From bce5623e1c01a56c07bec818b6ba478a66b7773c Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Wed, 15 Jan 2025 23:02:54 +0200 Subject: [PATCH 01/30] Adds an event loop manager for executing coroutines easier. Removes initialisation of AsyncSubstrateInterface at object instantiation. Creates a factory function for creating an initialised AsyncSubstrateInterface. --- .../substrate_interface.py | 68 ++++++++++++------- async_substrate_interface/utils/__init__.py | 64 ++++++++++------- 2 files changed, 84 insertions(+), 48 deletions(-) diff --git a/async_substrate_interface/substrate_interface.py b/async_substrate_interface/substrate_interface.py index 66876ff..9ef6d14 100644 --- a/async_substrate_interface/substrate_interface.py +++ b/async_substrate_interface/substrate_interface.py @@ -41,7 +41,7 @@ ExtrinsicNotFound, BlockNotFound, ) -from async_substrate_interface.utils import execute_coroutine, hex_to_bytes +from async_substrate_interface.utils import hex_to_bytes, EventLoopManager from async_substrate_interface.utils.storage import StorageKey if TYPE_CHECKING: @@ -978,6 +978,7 @@ async def send(self, payload: dict) -> int: self.id += 1 # self._open_subscriptions += 1 try: + print(self.ws) await self.ws.send(json.dumps({**payload, **{"id": original_id}})) return original_id except (ConnectionClosed, ssl.SSLError, EOFError): @@ -1026,9 +1027,7 @@ def __init__( sync_calls: bool = False, max_retries: int = 5, retry_timeout: float = 60.0, - event_loop: Optional[asyncio.BaseEventLoop] = None, _mock: bool = False, - pre_initialize: bool = True, ): """ The asyncio-compatible version of the subtensor interface commands we use in bittensor. It is important to @@ -1080,16 +1079,10 @@ def __init__( ) self.__metadata_cache = {} self.metadata_version_hex = "0x0f000000" # v15 - self.event_loop = event_loop or asyncio.get_event_loop() - self.sync_calls = sync_calls self.extrinsic_receipt_cls = ( - AsyncExtrinsicReceipt if self.sync_calls is False else ExtrinsicReceipt + AsyncExtrinsicReceipt if sync_calls is False else ExtrinsicReceipt ) - if pre_initialize: - if not _mock: - self.event_loop.create_task(self.initialize()) - else: - self.reload_type_registry() + self.reload_type_registry() async def __aenter__(self): await self.initialize() @@ -1104,7 +1097,6 @@ async def initialize(self): if not self.__chain: chain = await self.rpc_request("system_chain", []) self.__chain = chain.get("result") - self.reload_type_registry() await asyncio.gather(self.load_registry(), self._init_init_runtime()) self.initialized = True @@ -3999,12 +3991,12 @@ async def _handler(block_data: dict[str, Any]): class SyncWebsocket: - def __init__(self, websocket: "Websocket", event_loop: asyncio.AbstractEventLoop): + def __init__(self, websocket: "Websocket", event_loop_manager: EventLoopManager): self._ws = websocket - self._event_loop = event_loop + self._event_loop_mgr = event_loop_manager def close(self): - execute_coroutine(self._ws.shutdown(), event_loop=self._event_loop) + self._event_loop_mgr.run(self._ws.shutdown()) class SubstrateInterface: @@ -4013,7 +4005,7 @@ class SubstrateInterface: """ url: str - event_loop: asyncio.AbstractEventLoop + event_loop_mgr: EventLoopManager websocket: "SyncWebsocket" def __init__( @@ -4024,11 +4016,10 @@ def __init__( ss58_format: Optional[int] = None, type_registry: Optional[dict] = None, chain_name: Optional[str] = None, - event_loop: Optional[asyncio.AbstractEventLoop] = None, + event_loop_manager: Optional[EventLoopManager] = None, _mock: bool = False, substrate: Optional["AsyncSubstrateInterface"] = None, ): - event_loop = substrate.event_loop if substrate else event_loop self.url = url self._async_instance = ( AsyncSubstrateInterface( @@ -4038,15 +4029,13 @@ def __init__( ss58_format=ss58_format, type_registry=type_registry, chain_name=chain_name, - sync_calls=True, - event_loop=event_loop, _mock=_mock, ) if not substrate else substrate ) - self.event_loop = event_loop or asyncio.get_event_loop() - self.websocket = SyncWebsocket(self._async_instance.ws, self.event_loop) + self.event_loop_mgr = event_loop_manager or EventLoopManager() + self.websocket = SyncWebsocket(self._async_instance.ws, self.event_loop_mgr) @property def last_block_hash(self): @@ -4057,10 +4046,10 @@ def metadata(self): return self._async_instance.metadata def __del__(self): - execute_coroutine(self._async_instance.close()) + self.event_loop_mgr.run(self._async_instance.close()) def _run(self, coroutine): - return execute_coroutine(coroutine, self.event_loop) + return self.event_loop_mgr.run(coroutine) def __getattr__(self, name): attr = getattr(self._async_instance, name) @@ -4258,3 +4247,34 @@ def create_storage_key( pallet, storage_function, params, block_hash ) ) + + +async def async_substrate_interface( + url: str, + use_remote_preset: bool = False, + auto_discover: bool = True, + ss58_format: Optional[int] = None, + type_registry: Optional[dict] = None, + chain_name: Optional[str] = None, + sync_calls: bool = False, + max_retries: int = 5, + retry_timeout: float = 60.0, + _mock: bool = False, +) -> "AsyncSubstrateInterface": + """ + Factory function for creating an initialized AsyncSubstrateInterface + """ + substrate = AsyncSubstrateInterface( + url, + use_remote_preset, + auto_discover, + ss58_format, + type_registry, + chain_name, + sync_calls, + max_retries, + retry_timeout, + _mock, + ) + await substrate.initialize() + return substrate diff --git a/async_substrate_interface/utils/__init__.py b/async_substrate_interface/utils/__init__.py index 48ef568..4fe53e1 100644 --- a/async_substrate_interface/utils/__init__.py +++ b/async_substrate_interface/utils/__init__.py @@ -1,9 +1,46 @@ import asyncio -from typing import Optional, TYPE_CHECKING +import threading +from typing import Optional -if TYPE_CHECKING: - from typing import Coroutine +class EventLoopManager: + """Singleton class to manage a living asyncio event loop.""" + + _instance = None + _lock = threading.Lock() + + def __new__(cls): + if cls._instance is None: + with cls._lock: + if cls._instance is None: + cls._instance = super().__new__(cls) + cls._instance._init_event_loop() + return cls._instance + + def _init_event_loop(self): + self.loop = asyncio.new_event_loop() + self.thread = threading.Thread(target=self._start_loop, daemon=True) + self.thread.start() + + def _start_loop(self): + self.loop = asyncio.new_event_loop() + asyncio.set_event_loop(self.loop) + self.loop.run_forever() + + def run(self, coroutine): + while self.loop is None: + pass + future = asyncio.run_coroutine_threadsafe(coroutine, self.loop) + return future.result() # Blocks until coroutine completes + + def stop(self): + """Stop the event loop.""" + self.loop.call_soon_threadsafe(self.loop.stop) + self.thread.join() + + @classmethod + def get_event_loop(cls) -> asyncio.AbstractEventLoop: + return cls().loop def hex_to_bytes(hex_str: str) -> bytes: @@ -38,24 +75,3 @@ def get_event_loop() -> asyncio.AbstractEventLoop: event_loop = asyncio.get_event_loop() asyncio.set_event_loop(event_loop) return event_loop - - -def execute_coroutine( - coroutine: "Coroutine", event_loop: asyncio.AbstractEventLoop = None -): - """ - Helper function to run an asyncio coroutine synchronously. - - Args: - coroutine (Coroutine): The coroutine to run. - event_loop (AbstractEventLoop): The event loop to use. If `None`, attempts to fetch the already-running - loop. If one is not running, a new loop is created. - - Returns: - The result of the coroutine execution. - """ - if event_loop: - event_loop = event_loop - else: - event_loop = get_event_loop() - return event_loop.run_until_complete(asyncio.wait_for(coroutine, timeout=None)) From 737d25e8ce8fa332fe8ea991df44c835e105ade5 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Wed, 15 Jan 2025 23:10:24 +0200 Subject: [PATCH 02/30] Remove print --- async_substrate_interface/substrate_interface.py | 1 - 1 file changed, 1 deletion(-) diff --git a/async_substrate_interface/substrate_interface.py b/async_substrate_interface/substrate_interface.py index 9ef6d14..b9393f1 100644 --- a/async_substrate_interface/substrate_interface.py +++ b/async_substrate_interface/substrate_interface.py @@ -978,7 +978,6 @@ async def send(self, payload: dict) -> int: self.id += 1 # self._open_subscriptions += 1 try: - print(self.ws) await self.ws.send(json.dumps({**payload, **{"id": original_id}})) return original_id except (ConnectionClosed, ssl.SSLError, EOFError): From 5f4a6418c6781a7ae30797554dd324836112c63a Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Wed, 15 Jan 2025 23:51:22 +0200 Subject: [PATCH 03/30] Rename --- async_substrate_interface/substrate_interface.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/async_substrate_interface/substrate_interface.py b/async_substrate_interface/substrate_interface.py index b9393f1..ea27198 100644 --- a/async_substrate_interface/substrate_interface.py +++ b/async_substrate_interface/substrate_interface.py @@ -4248,7 +4248,7 @@ def create_storage_key( ) -async def async_substrate_interface( +async def get_async_substrate_interface( url: str, use_remote_preset: bool = False, auto_discover: bool = True, From 6a0d527e709e0134c9fa012a418983b8b32a7ea4 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Thu, 16 Jan 2025 00:41:20 +0200 Subject: [PATCH 04/30] Add event loop manager to Extrinsic Receipt --- .../substrate_interface.py | 24 +++++++++++-------- 1 file changed, 14 insertions(+), 10 deletions(-) diff --git a/async_substrate_interface/substrate_interface.py b/async_substrate_interface/substrate_interface.py index ea27198..cc2826b 100644 --- a/async_substrate_interface/substrate_interface.py +++ b/async_substrate_interface/substrate_interface.py @@ -15,6 +15,7 @@ from collections.abc import Iterable from dataclasses import dataclass from datetime import datetime +from functools import partial from hashlib import blake2b from typing import ( Optional, @@ -178,7 +179,7 @@ def __init__( block_hash: Optional[str] = None, block_number: Optional[int] = None, extrinsic_idx: Optional[int] = None, - finalized=None, + finalized: bool = False, ): """ Object containing information of submitted extrinsic. Block hash where extrinsic is included is required @@ -512,7 +513,8 @@ def __init__( block_hash: Optional[str] = None, block_number: Optional[int] = None, extrinsic_idx: Optional[int] = None, - finalized=None, + finalized: bool = None, + event_loop_mgr: EventLoopManager = None, ): self._async_instance = AsyncExtrinsicReceipt( substrate, @@ -522,7 +524,7 @@ def __init__( extrinsic_idx, finalized, ) - self.event_loop = asyncio.get_event_loop() + self.event_loop_mgr = event_loop_mgr or EventLoopManager() def __getattr__(self, name): attr = getattr(self._async_instance, name) @@ -530,12 +532,12 @@ def __getattr__(self, name): if asyncio.iscoroutinefunction(attr): def sync_method(*args, **kwargs): - return self.event_loop.run_until_complete(attr(*args, **kwargs)) + return self.event_loop_mgr.run(attr(*args, **kwargs)) return sync_method elif asyncio.iscoroutine(attr): # indicates this is an async_property - return self.event_loop.run_until_complete(attr) + return self.event_loop_mgr.run(attr) else: return attr @@ -1024,6 +1026,7 @@ def __init__( type_registry: Optional[dict] = None, chain_name: Optional[str] = None, sync_calls: bool = False, + event_loop_mgr: Optional[EventLoopManager] = None, max_retries: int = 5, retry_timeout: float = 60.0, _mock: bool = False, @@ -1043,10 +1046,8 @@ def __init__( sync_calls: whether this instance is going to be called through a sync wrapper or plain max_retries: number of times to retry RPC requests before giving up retry_timeout: how to long wait since the last ping to retry the RPC request - event_loop: the event loop to use + event_loop_mgr: an EventLoopManager instance, only used in the case where `sync_calls` is `True` _mock: whether to use mock version of the subtensor interface - pre_initialize: whether to initialise the network connections at initialisation of the - AsyncSubstrateInterface object """ self.max_retries = max_retries @@ -1079,7 +1080,9 @@ def __init__( self.__metadata_cache = {} self.metadata_version_hex = "0x0f000000" # v15 self.extrinsic_receipt_cls = ( - AsyncExtrinsicReceipt if sync_calls is False else ExtrinsicReceipt + AsyncExtrinsicReceipt + if sync_calls is False + else partial(ExtrinsicReceipt, event_loop_mgr=event_loop_mgr) ) self.reload_type_registry() @@ -4020,6 +4023,7 @@ def __init__( substrate: Optional["AsyncSubstrateInterface"] = None, ): self.url = url + self.event_loop_mgr = event_loop_manager or EventLoopManager() self._async_instance = ( AsyncSubstrateInterface( url=url, @@ -4027,13 +4031,13 @@ def __init__( auto_discover=auto_discover, ss58_format=ss58_format, type_registry=type_registry, + event_loop_manager=self.event_loop_mgr, chain_name=chain_name, _mock=_mock, ) if not substrate else substrate ) - self.event_loop_mgr = event_loop_manager or EventLoopManager() self.websocket = SyncWebsocket(self._async_instance.ws, self.event_loop_mgr) @property From fdc6a3959c7fbde3107715ffa1c7731988fe5c08 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Thu, 16 Jan 2025 00:51:29 +0200 Subject: [PATCH 05/30] Add event loop manager to QueryMapResult --- .../substrate_interface.py | 31 +++++++++++-------- 1 file changed, 18 insertions(+), 13 deletions(-) diff --git a/async_substrate_interface/substrate_interface.py b/async_substrate_interface/substrate_interface.py index cc2826b..df86f8e 100644 --- a/async_substrate_interface/substrate_interface.py +++ b/async_substrate_interface/substrate_interface.py @@ -556,6 +556,7 @@ def __init__( last_key: Optional[str] = None, max_results: Optional[int] = None, ignore_decoding_errors: bool = False, + event_loop_mgr: Optional[EventLoopManager] = None, ): self.records = records self.page_size = page_size @@ -569,6 +570,7 @@ def __init__( self.ignore_decoding_errors = ignore_decoding_errors self.loading_complete = False self._buffer = iter(self.records) # Initialize the buffer with initial records + self.event_loop_mgr = event_loop_mgr async def retrieve_next_page(self, start_key) -> list: result = await self.substrate.query_map( @@ -626,19 +628,17 @@ async def __anext__(self): def __next__(self): try: - return self.substrate.event_loop.run_until_complete(self.__anext__()) + return self.event_loop_mgr.run(self.__anext__()) except StopAsyncIteration: raise StopIteration + except AttributeError: + raise AttributeError( + "This item is an async iterator. You need to iterate over it with `async for`." + ) def __getitem__(self, item): return self.records[item] - def load_all(self): - async def _load_all(): - return [item async for item in self] - - return asyncio.get_event_loop().run_until_complete(_load_all()) - @dataclass class Preprocessed: @@ -1079,11 +1079,16 @@ def __init__( ) self.__metadata_cache = {} self.metadata_version_hex = "0x0f000000" # v15 - self.extrinsic_receipt_cls = ( - AsyncExtrinsicReceipt - if sync_calls is False - else partial(ExtrinsicReceipt, event_loop_mgr=event_loop_mgr) - ) + if sync_calls is True: + self.query_map_result_cls = partial( + QueryMapResult, event_loop_mgr=event_loop_mgr + ) + self.extrinsic_receipt_cls = partial( + ExtrinsicReceipt, event_loop_mgr=event_loop_mgr + ) + else: + self.query_map_result_cls = QueryMapResult + self.extrinsic_receipt_cls = AsyncExtrinsicReceipt self.reload_type_registry() async def __aenter__(self): @@ -3767,7 +3772,7 @@ def concat_hash_len(key_hasher: str) -> int: raise item_value = None result.append([item_key, item_value]) - return QueryMapResult( + return self.query_map_result_cls( records=result, page_size=page_size, module=module, From d5e3764b352b2f0925b70819489f604e9b11f5a2 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Thu, 16 Jan 2025 00:52:26 +0200 Subject: [PATCH 06/30] type --- async_substrate_interface/substrate_interface.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/async_substrate_interface/substrate_interface.py b/async_substrate_interface/substrate_interface.py index df86f8e..0844051 100644 --- a/async_substrate_interface/substrate_interface.py +++ b/async_substrate_interface/substrate_interface.py @@ -513,7 +513,7 @@ def __init__( block_hash: Optional[str] = None, block_number: Optional[int] = None, extrinsic_idx: Optional[int] = None, - finalized: bool = None, + finalized: bool = False, event_loop_mgr: EventLoopManager = None, ): self._async_instance = AsyncExtrinsicReceipt( From d6726160308b7e9bcaa548c1d0ce01692942693b Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Thu, 16 Jan 2025 00:57:39 +0200 Subject: [PATCH 07/30] Type registry cannot be reloaded if the chain is not yet set. --- async_substrate_interface/substrate_interface.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/async_substrate_interface/substrate_interface.py b/async_substrate_interface/substrate_interface.py index 0844051..ef1f719 100644 --- a/async_substrate_interface/substrate_interface.py +++ b/async_substrate_interface/substrate_interface.py @@ -1089,7 +1089,6 @@ def __init__( else: self.query_map_result_cls = QueryMapResult self.extrinsic_receipt_cls = AsyncExtrinsicReceipt - self.reload_type_registry() async def __aenter__(self): await self.initialize() @@ -1104,6 +1103,7 @@ async def initialize(self): if not self.__chain: chain = await self.rpc_request("system_chain", []) self.__chain = chain.get("result") + self.reload_type_registry() await asyncio.gather(self.load_registry(), self._init_init_runtime()) self.initialized = True From 5740d5ed495aac83c64495180bcc288701ec4375 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Thu, 16 Jan 2025 00:59:19 +0200 Subject: [PATCH 08/30] test --- tests/unit_tests/test_substrate_interface.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/unit_tests/test_substrate_interface.py b/tests/unit_tests/test_substrate_interface.py index 616152d..917d220 100644 --- a/tests/unit_tests/test_substrate_interface.py +++ b/tests/unit_tests/test_substrate_interface.py @@ -4,6 +4,7 @@ from async_substrate_interface.substrate_interface import ( AsyncSubstrateInterface, + get_async_substrate_interface, ScaleObj, ) @@ -12,8 +13,7 @@ async def test_invalid_url_raises_exception(): """Test that invalid URI raises an InvalidURI exception.""" with pytest.raises(InvalidURI): - async with AsyncSubstrateInterface("non_existent_entry_point"): - pass + await get_async_substrate_interface("non_existent_entry_point") def test_scale_object(): From 3521d92312b1349dc08c6b2bfb260fbb0e03991d Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Thu, 16 Jan 2025 01:01:24 +0200 Subject: [PATCH 09/30] Ensure initialization. --- async_substrate_interface/substrate_interface.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/async_substrate_interface/substrate_interface.py b/async_substrate_interface/substrate_interface.py index ef1f719..bd34820 100644 --- a/async_substrate_interface/substrate_interface.py +++ b/async_substrate_interface/substrate_interface.py @@ -4036,13 +4036,14 @@ def __init__( auto_discover=auto_discover, ss58_format=ss58_format, type_registry=type_registry, - event_loop_manager=self.event_loop_mgr, + event_loop_mgr=self.event_loop_mgr, chain_name=chain_name, _mock=_mock, ) if not substrate else substrate ) + self.event_loop_mgr.run(self._async_instance.initialize()) self.websocket = SyncWebsocket(self._async_instance.ws, self.event_loop_mgr) @property From 834baf238b7fcfcb2ceef2487b835fd6f739cbe8 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Thu, 16 Jan 2025 01:07:41 +0200 Subject: [PATCH 10/30] Type --- async_substrate_interface/substrate_interface.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/async_substrate_interface/substrate_interface.py b/async_substrate_interface/substrate_interface.py index bd34820..4661a87 100644 --- a/async_substrate_interface/substrate_interface.py +++ b/async_substrate_interface/substrate_interface.py @@ -1024,7 +1024,7 @@ def __init__( auto_discover: bool = True, ss58_format: Optional[int] = None, type_registry: Optional[dict] = None, - chain_name: Optional[str] = None, + chain_name: str = "", sync_calls: bool = False, event_loop_mgr: Optional[EventLoopManager] = None, max_retries: int = 5, From 3264159f621d641b307f07ab9047b404a56bd289 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Thu, 16 Jan 2025 16:08:38 +0200 Subject: [PATCH 11/30] Adds a warning for uninitialised Substrate --- .../substrate_interface.py | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/async_substrate_interface/substrate_interface.py b/async_substrate_interface/substrate_interface.py index 4661a87..402717c 100644 --- a/async_substrate_interface/substrate_interface.py +++ b/async_substrate_interface/substrate_interface.py @@ -2496,15 +2496,22 @@ async def get_block_metadata( raise SubstrateRequestException(response["error"]["message"]) if response.get("result") and decode: - metadata_decoder = self.runtime_config.create_scale_object( - "MetadataVersioned", data=ScaleBytes(response.get("result")) - ) - metadata_decoder.decode() + try: + metadata_decoder = self.runtime_config.create_scale_object( + "MetadataVersioned", data=ScaleBytes(response.get("result")) + ) + metadata_decoder.decode() + except NotImplementedError: + if not self.initialized: + raise SubstrateRequestException( + "You are attempting to decode a SCALE object before Runtime initialization. You need to first " + "either `await AsyncSubstrateInterface.initialize()` or use `async with` the object." + ) + else: + raise return metadata_decoder - return response - async def _preprocess( self, query_for: Optional[list], From 95a0d424803cdc16d98b79bc68cc5487350a6eb8 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Thu, 16 Jan 2025 16:54:14 +0200 Subject: [PATCH 12/30] Raise the error in the correct place. Move `reload_type_registry()` to `__init__`, as it works now that chain is always a string. --- .../substrate_interface.py | 48 +++++++++++-------- 1 file changed, 27 insertions(+), 21 deletions(-) diff --git a/async_substrate_interface/substrate_interface.py b/async_substrate_interface/substrate_interface.py index 402717c..8def9c4 100644 --- a/async_substrate_interface/substrate_interface.py +++ b/async_substrate_interface/substrate_interface.py @@ -1089,6 +1089,8 @@ def __init__( else: self.query_map_result_cls = QueryMapResult self.extrinsic_receipt_cls = AsyncExtrinsicReceipt + self.reload_type_registry() + self._initializing = False async def __aenter__(self): await self.initialize() @@ -1099,13 +1101,14 @@ async def initialize(self): Initialize the connection to the chain. """ async with self._lock: + self._initializing = True if not self.initialized: if not self.__chain: chain = await self.rpc_request("system_chain", []) self.__chain = chain.get("result") - self.reload_type_registry() await asyncio.gather(self.load_registry(), self._init_init_runtime()) self.initialized = True + self._initializing = False async def __aexit__(self, exc_type, exc_val, exc_tb): pass @@ -1248,19 +1251,28 @@ async def _wait_for_registry(): if scale_bytes == b"\x00": obj = None else: - if not self.registry: - await asyncio.wait_for(_wait_for_registry(), timeout=10) try: + if not self.registry: + await asyncio.wait_for(_wait_for_registry(), timeout=10) obj = decode_by_type_string(type_string, self.registry, scale_bytes) except TimeoutError: # indicates that registry was never loaded - if _attempt < _retries: + if not self._initializing: + raise AttributeError( + "Registry was never loaded. This did not occur during initialization, which usually indicates " + "you must first initialize the AsyncSubstrateInterface object, either with " + "`await AsyncSubstrateInterface.initialize()` or running with `async with`" + ) + elif _attempt < _retries: await self.load_registry() return await self.decode_scale( type_string, scale_bytes, _attempt + 1 ) else: - raise ValueError("Registry was never loaded.") + raise AttributeError( + "Registry was never loaded. This occurred during initialization, which usually indicates a " + "connection or node error." + ) if return_scale_obj: return ScaleObj(obj) else: @@ -2471,7 +2483,7 @@ async def get_block_runtime_version(self, block_hash: str) -> dict: async def get_block_metadata( self, block_hash: Optional[str] = None, decode: bool = True - ) -> Union[dict, ScaleType]: + ) -> Optional[Union[dict, ScaleType]]: """ A pass-though to existing JSONRPC method `state_getMetadata`. @@ -2480,7 +2492,8 @@ async def get_block_metadata( decode: Whether to decode the metadata or present it raw Returns: - metadata, either as a dict (not decoded) or ScaleType (decoded) + metadata, either as a dict (not decoded) or ScaleType (decoded); None if there was no response + from the server """ params = None if decode and not self.runtime_config: @@ -2495,22 +2508,15 @@ async def get_block_metadata( if "error" in response: raise SubstrateRequestException(response["error"]["message"]) - if response.get("result") and decode: - try: - metadata_decoder = self.runtime_config.create_scale_object( - "MetadataVersioned", data=ScaleBytes(response.get("result")) - ) - metadata_decoder.decode() - except NotImplementedError: - if not self.initialized: - raise SubstrateRequestException( - "You are attempting to decode a SCALE object before Runtime initialization. You need to first " - "either `await AsyncSubstrateInterface.initialize()` or use `async with` the object." - ) - else: - raise + if (result := response.get("result")) and decode: + metadata_decoder = self.runtime_config.create_scale_object( + "MetadataVersioned", data=ScaleBytes(result) + ) + metadata_decoder.decode() return metadata_decoder + else: + return result async def _preprocess( self, From 5aa6356db3734d59703373863ad620a32983020b Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Fri, 17 Jan 2025 12:35:18 +0200 Subject: [PATCH 13/30] Added mixin class to share sync funcs between async substrate and sync substrate --- .../substrate_interface.py | 4096 +++++++++++++---- 1 file changed, 3143 insertions(+), 953 deletions(-) diff --git a/async_substrate_interface/substrate_interface.py b/async_substrate_interface/substrate_interface.py index 8def9c4..4739bda 100644 --- a/async_substrate_interface/substrate_interface.py +++ b/async_substrate_interface/substrate_interface.py @@ -11,11 +11,12 @@ import random import ssl import time +from abc import ABC from collections import defaultdict from collections.abc import Iterable from dataclasses import dataclass from datetime import datetime -from functools import partial +from functools import lru_cache from hashlib import blake2b from typing import ( Optional, @@ -1003,7 +1004,7 @@ async def retrieve(self, item_id: int) -> Optional[dict]: return None -class AsyncSubstrateInterface: +class SubstrateMixin(ABC): registry: Optional[PortableRegistry] = None runtime_version = None type_registry_preset = None @@ -1016,102 +1017,10 @@ class AsyncSubstrateInterface: __token_decimals = None __token_symbol = None __metadata = None - - def __init__( - self, - url: str, - use_remote_preset: bool = False, - auto_discover: bool = True, - ss58_format: Optional[int] = None, - type_registry: Optional[dict] = None, - chain_name: str = "", - sync_calls: bool = False, - event_loop_mgr: Optional[EventLoopManager] = None, - max_retries: int = 5, - retry_timeout: float = 60.0, - _mock: bool = False, - ): - """ - The asyncio-compatible version of the subtensor interface commands we use in bittensor. It is important to - initialise this class asynchronously in an async context manager using `async with AsyncSubstrateInterface()`. - Otherwise, some (most) methods will not work properly, and may raise exceptions. - - Args: - url: the URI of the chain to connect to - use_remote_preset: whether to pull the preset from GitHub - auto_discover: whether to automatically pull the presets based on the chain name and type registry - ss58_format: the specific SS58 format to use - type_registry: a dict of custom types - chain_name: the name of the chain (the result of the rpc request for "system_chain") - sync_calls: whether this instance is going to be called through a sync wrapper or plain - max_retries: number of times to retry RPC requests before giving up - retry_timeout: how to long wait since the last ping to retry the RPC request - event_loop_mgr: an EventLoopManager instance, only used in the case where `sync_calls` is `True` - _mock: whether to use mock version of the subtensor interface - - """ - self.max_retries = max_retries - self.retry_timeout = retry_timeout - self.chain_endpoint = url - self.url = url - self.__chain = chain_name - self.ws = Websocket( - url, - options={ - "max_size": 2**32, - "write_limit": 2**16, - }, - ) - self._lock = asyncio.Lock() - self.config = { - "use_remote_preset": use_remote_preset, - "auto_discover": auto_discover, - "rpc_methods": None, - "strict_scale_decode": True, - } - self.initialized = False - self._forgettable_task = None - self.ss58_format = ss58_format - self.type_registry = type_registry - self.runtime_cache = RuntimeCache() - self.runtime_config = RuntimeConfigurationObject( - ss58_format=self.ss58_format, implements_scale_info=True - ) - self.__metadata_cache = {} - self.metadata_version_hex = "0x0f000000" # v15 - if sync_calls is True: - self.query_map_result_cls = partial( - QueryMapResult, event_loop_mgr=event_loop_mgr - ) - self.extrinsic_receipt_cls = partial( - ExtrinsicReceipt, event_loop_mgr=event_loop_mgr - ) - else: - self.query_map_result_cls = QueryMapResult - self.extrinsic_receipt_cls = AsyncExtrinsicReceipt - self.reload_type_registry() - self._initializing = False - - async def __aenter__(self): - await self.initialize() - return self - - async def initialize(self): - """ - Initialize the connection to the chain. - """ - async with self._lock: - self._initializing = True - if not self.initialized: - if not self.__chain: - chain = await self.rpc_request("system_chain", []) - self.__chain = chain.get("result") - await asyncio.gather(self.load_registry(), self._init_init_runtime()) - self.initialized = True - self._initializing = False - - async def __aexit__(self, exc_type, exc_val, exc_tb): - pass + __chain: str + runtime_config: RuntimeConfigurationObject + type_registry: Optional[dict] + ss58_format: Optional[int] @property def chain(self): @@ -1120,37 +1029,6 @@ def chain(self): """ return self.__chain - @property - async def properties(self): - if self.__properties is None: - self.__properties = (await self.rpc_request("system_properties", [])).get( - "result" - ) - return self.__properties - - @property - async def version(self): - if self.__version is None: - self.__version = (await self.rpc_request("system_version", [])).get( - "result" - ) - return self.__version - - @property - async def token_decimals(self): - if self.__token_decimals is None: - self.__token_decimals = (await self.properties).get("tokenDecimals") - return self.__token_decimals - - @property - async def token_symbol(self): - if self.__token_symbol is None: - if self.properties: - self.__token_symbol = (await self.properties).get("tokenSymbol") - else: - self.__token_symbol = "UNIT" - return self.__token_symbol - @property def metadata(self): if self.__metadata is None: @@ -1184,120 +1062,6 @@ def implements_scaleinfo(self) -> Optional[bool]: else: return None - @property - async def name(self): - if self.__name is None: - self.__name = (await self.rpc_request("system_name", [])).get("result") - return self.__name - - async def get_storage_item(self, module: str, storage_function: str): - if not self.__metadata: - await self.init_runtime() - metadata_pallet = self.__metadata.get_metadata_pallet(module) - storage_item = metadata_pallet.get_storage_function(storage_function) - return storage_item - - async def _get_current_block_hash( - self, block_hash: Optional[str], reuse: bool - ) -> Optional[str]: - if block_hash: - self.last_block_hash = block_hash - return block_hash - elif reuse: - if self.last_block_hash: - return self.last_block_hash - return block_hash - - async def load_registry(self): - # TODO this needs to happen before init_runtime - metadata_rpc_result = await self.rpc_request( - "state_call", - ["Metadata_metadata_at_version", self.metadata_version_hex], - ) - metadata_option_hex_str = metadata_rpc_result["result"] - metadata_option_bytes = bytes.fromhex(metadata_option_hex_str[2:]) - metadata_v15 = MetadataV15.decode_from_metadata_option(metadata_option_bytes) - self.registry = PortableRegistry.from_metadata_v15(metadata_v15) - - async def decode_scale( - self, - type_string: str, - scale_bytes: bytes, - _attempt=1, - _retries=3, - return_scale_obj=False, - ) -> Any: - """ - Helper function to decode arbitrary SCALE-bytes (e.g. 0x02000000) according to given RUST type_string - (e.g. BlockNumber). The relevant versioning information of the type (if defined) will be applied if block_hash - is set - - Args: - type_string: the type string of the SCALE object for decoding - scale_bytes: the bytes representation of the SCALE object to decode - _attempt: the number of attempts to pull the registry before timing out - _retries: the number of retries to pull the registry before timing out - return_scale_obj: Whether to return the decoded value wrapped in a SCALE-object-like wrapper, or raw. - - Returns: - Decoded object - """ - - async def _wait_for_registry(): - while self.registry is None: - await asyncio.sleep(0.1) - return - - if scale_bytes == b"\x00": - obj = None - else: - try: - if not self.registry: - await asyncio.wait_for(_wait_for_registry(), timeout=10) - obj = decode_by_type_string(type_string, self.registry, scale_bytes) - except TimeoutError: - # indicates that registry was never loaded - if not self._initializing: - raise AttributeError( - "Registry was never loaded. This did not occur during initialization, which usually indicates " - "you must first initialize the AsyncSubstrateInterface object, either with " - "`await AsyncSubstrateInterface.initialize()` or running with `async with`" - ) - elif _attempt < _retries: - await self.load_registry() - return await self.decode_scale( - type_string, scale_bytes, _attempt + 1 - ) - else: - raise AttributeError( - "Registry was never loaded. This occurred during initialization, which usually indicates a " - "connection or node error." - ) - if return_scale_obj: - return ScaleObj(obj) - else: - return obj - - async def encode_scale(self, type_string, value, block_hash=None) -> ScaleBytes: - """ - Helper function to encode arbitrary data into SCALE-bytes for given RUST type_string - - Args: - type_string: the type string of the SCALE object for decoding - value: value to encode - block_hash: the hash of the blockchain block whose metadata to use for encoding - - Returns: - ScaleBytes encoded value - """ - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - obj = self.runtime_config.create_scale_object( - type_string=type_string, metadata=self.__metadata - ) - return obj.encode(value) - def ss58_encode( self, public_key: Union[str, bytes], ss58_format: int = None ) -> str: @@ -1512,19 +1276,2934 @@ def serialize_module_error(module, error, spec_version) -> dict: "spec_version": spec_version, } - async def _init_init_runtime(self): + def reload_type_registry( + self, use_remote_preset: bool = True, auto_discover: bool = True + ): """ - TODO rename/docstring + Reload type registry and preset used to instantiate the `AsyncSubstrateInterface` object. Useful to + periodically apply changes in type definitions when a runtime upgrade occurred + + Args: + use_remote_preset: When True preset is downloaded from Github master, + otherwise use files from local installed scalecodec package + auto_discover: Whether to automatically discover the type_registry + presets based on the chain name and typer registry """ - runtime_info, metadata = await asyncio.gather( - self.get_block_runtime_version(None), self.get_block_metadata() - ) - self.__metadata = metadata - self.__metadata_cache[self.runtime_version] = self.__metadata - self.runtime_version = runtime_info.get("specVersion") - self.runtime_config.set_active_spec_version_id(self.runtime_version) - self.transaction_version = runtime_info.get("transactionVersion") - if self.implements_scaleinfo: + self.runtime_config.clear_type_registry() + + self.runtime_config.implements_scale_info = self.implements_scaleinfo + + # Load metadata types in runtime configuration + self.runtime_config.update_type_registry(load_type_registry_preset(name="core")) + self.apply_type_registry_presets( + use_remote_preset=use_remote_preset, auto_discover=auto_discover + ) + + def apply_type_registry_presets( + self, use_remote_preset: bool = True, auto_discover: bool = True + ): + if self.type_registry_preset is not None: + # Load type registry according to preset + type_registry_preset_dict = load_type_registry_preset( + name=self.type_registry_preset, use_remote_preset=use_remote_preset + ) + + if not type_registry_preset_dict: + raise ValueError( + f"Type registry preset '{self.type_registry_preset}' not found" + ) + + elif auto_discover: + # Try to auto discover type registry preset by chain name + type_registry_name = self.chain.lower().replace(" ", "-") + try: + type_registry_preset_dict = load_type_registry_preset( + type_registry_name + ) + logging.debug( + f"Auto set type_registry_preset to {type_registry_name} ..." + ) + self.type_registry_preset = type_registry_name + except ValueError: + type_registry_preset_dict = None + + else: + type_registry_preset_dict = None + + if type_registry_preset_dict: + # Load type registries in runtime configuration + if self.implements_scaleinfo is False: + # Only runtime with no embedded types in metadata need the default set of explicit defined types + self.runtime_config.update_type_registry( + load_type_registry_preset( + "legacy", use_remote_preset=use_remote_preset + ) + ) + + if self.type_registry_preset != "legacy": + self.runtime_config.update_type_registry(type_registry_preset_dict) + + if self.type_registry: + # Load type registries in runtime configuration + self.runtime_config.update_type_registry(self.type_registry) + + def extension_call(self, name, **kwargs): + raise NotImplementedError( + "Extensions not implemented in AsyncSubstrateInterface" + ) + + def filter_extrinsics(self, **kwargs) -> list: + return self.extension_call("filter_extrinsics", **kwargs) + + def filter_events(self, **kwargs) -> list: + return self.extension_call("filter_events", **kwargs) + + def search_block_number(self, block_datetime: datetime, block_time: int = 6) -> int: + return self.extension_call( + "search_block_number", block_datetime=block_datetime, block_time=block_time + ) + + def get_block_timestamp(self, block_number: int) -> int: + return self.extension_call("get_block_timestamp", block_number=block_number) + + @staticmethod + def make_payload(id_: str, method: str, params: list) -> dict: + """ + Creates a payload for making an rpc_request with _make_rpc_request + + Args: + id_: a unique name you would like to give to this request + method: the method in the RPC request + params: the params in the RPC request + + Returns: + the payload dict + """ + return { + "id": id_, + "payload": {"jsonrpc": "2.0", "method": method, "params": params}, + } + + +class AsyncSubstrateInterface(SubstrateMixin): + def __init__( + self, + url: str, + use_remote_preset: bool = False, + auto_discover: bool = True, + ss58_format: Optional[int] = None, + type_registry: Optional[dict] = None, + chain_name: str = "", + max_retries: int = 5, + retry_timeout: float = 60.0, + _mock: bool = False, + ): + """ + The asyncio-compatible version of the subtensor interface commands we use in bittensor. It is important to + initialise this class asynchronously in an async context manager using `async with AsyncSubstrateInterface()`. + Otherwise, some (most) methods will not work properly, and may raise exceptions. + + Args: + url: the URI of the chain to connect to + use_remote_preset: whether to pull the preset from GitHub + auto_discover: whether to automatically pull the presets based on the chain name and type registry + ss58_format: the specific SS58 format to use + type_registry: a dict of custom types + chain_name: the name of the chain (the result of the rpc request for "system_chain") + sync_calls: whether this instance is going to be called through a sync wrapper or plain + max_retries: number of times to retry RPC requests before giving up + retry_timeout: how to long wait since the last ping to retry the RPC request + event_loop_mgr: an EventLoopManager instance, only used in the case where `sync_calls` is `True` + _mock: whether to use mock version of the subtensor interface + + """ + self.max_retries = max_retries + self.retry_timeout = retry_timeout + self.chain_endpoint = url + self.url = url + self.__chain = chain_name + self.ws = Websocket( + url, + options={ + "max_size": 2**32, + "write_limit": 2**16, + }, + ) + self._lock = asyncio.Lock() + self.config = { + "use_remote_preset": use_remote_preset, + "auto_discover": auto_discover, + "rpc_methods": None, + "strict_scale_decode": True, + } + self.initialized = False + self._forgettable_task = None + self.ss58_format = ss58_format + self.type_registry = type_registry + self.runtime_cache = RuntimeCache() + self.runtime_config = RuntimeConfigurationObject( + ss58_format=self.ss58_format, implements_scale_info=True + ) + self.__metadata_cache = {} + self.metadata_version_hex = "0x0f000000" # v15 + self.query_map_result_cls = QueryMapResult + self.extrinsic_receipt_cls = AsyncExtrinsicReceipt + self.reload_type_registry() + self._initializing = False + + async def __aenter__(self): + await self.initialize() + return self + + async def initialize(self): + """ + Initialize the connection to the chain. + """ + async with self._lock: + self._initializing = True + if not self.initialized: + if not self.__chain: + chain = await self.rpc_request("system_chain", []) + self.__chain = chain.get("result") + await asyncio.gather(self.load_registry(), self._init_init_runtime()) + self.initialized = True + self._initializing = False + + async def __aexit__(self, exc_type, exc_val, exc_tb): + pass + + @property + async def properties(self): + if self.__properties is None: + self.__properties = (await self.rpc_request("system_properties", [])).get( + "result" + ) + return self.__properties + + @property + async def version(self): + if self.__version is None: + self.__version = (await self.rpc_request("system_version", [])).get( + "result" + ) + return self.__version + + @property + async def token_decimals(self): + if self.__token_decimals is None: + self.__token_decimals = (await self.properties).get("tokenDecimals") + return self.__token_decimals + + @property + async def token_symbol(self): + if self.__token_symbol is None: + if self.properties: + self.__token_symbol = (await self.properties).get("tokenSymbol") + else: + self.__token_symbol = "UNIT" + return self.__token_symbol + + @property + async def name(self): + if self.__name is None: + self.__name = (await self.rpc_request("system_name", [])).get("result") + return self.__name + + async def get_storage_item(self, module: str, storage_function: str): + if not self.__metadata: + await self.init_runtime() + metadata_pallet = self.__metadata.get_metadata_pallet(module) + storage_item = metadata_pallet.get_storage_function(storage_function) + return storage_item + + async def _get_current_block_hash( + self, block_hash: Optional[str], reuse: bool + ) -> Optional[str]: + if block_hash: + self.last_block_hash = block_hash + return block_hash + elif reuse: + if self.last_block_hash: + return self.last_block_hash + return block_hash + + async def load_registry(self): + # TODO this needs to happen before init_runtime + metadata_rpc_result = await self.rpc_request( + "state_call", + ["Metadata_metadata_at_version", self.metadata_version_hex], + ) + metadata_option_hex_str = metadata_rpc_result["result"] + metadata_option_bytes = bytes.fromhex(metadata_option_hex_str[2:]) + metadata_v15 = MetadataV15.decode_from_metadata_option(metadata_option_bytes) + self.registry = PortableRegistry.from_metadata_v15(metadata_v15) + + async def decode_scale( + self, + type_string: str, + scale_bytes: bytes, + _attempt=1, + _retries=3, + return_scale_obj=False, + ) -> Any: + """ + Helper function to decode arbitrary SCALE-bytes (e.g. 0x02000000) according to given RUST type_string + (e.g. BlockNumber). The relevant versioning information of the type (if defined) will be applied if block_hash + is set + + Args: + type_string: the type string of the SCALE object for decoding + scale_bytes: the bytes representation of the SCALE object to decode + _attempt: the number of attempts to pull the registry before timing out + _retries: the number of retries to pull the registry before timing out + return_scale_obj: Whether to return the decoded value wrapped in a SCALE-object-like wrapper, or raw. + + Returns: + Decoded object + """ + + async def _wait_for_registry(): + while self.registry is None: + await asyncio.sleep(0.1) + return + + if scale_bytes == b"\x00": + obj = None + else: + try: + if not self.registry: + await asyncio.wait_for(_wait_for_registry(), timeout=10) + obj = decode_by_type_string(type_string, self.registry, scale_bytes) + except TimeoutError: + # indicates that registry was never loaded + if not self._initializing: + raise AttributeError( + "Registry was never loaded. This did not occur during initialization, which usually indicates " + "you must first initialize the AsyncSubstrateInterface object, either with " + "`await AsyncSubstrateInterface.initialize()` or running with `async with`" + ) + elif _attempt < _retries: + await self.load_registry() + return await self.decode_scale( + type_string, scale_bytes, _attempt + 1 + ) + else: + raise AttributeError( + "Registry was never loaded. This occurred during initialization, which usually indicates a " + "connection or node error." + ) + if return_scale_obj: + return ScaleObj(obj) + else: + return obj + + async def encode_scale(self, type_string, value, block_hash=None) -> ScaleBytes: + """ + Helper function to encode arbitrary data into SCALE-bytes for given RUST type_string + + Args: + type_string: the type string of the SCALE object for decoding + value: value to encode + block_hash: the hash of the blockchain block whose metadata to use for encoding + + Returns: + ScaleBytes encoded value + """ + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + obj = self.runtime_config.create_scale_object( + type_string=type_string, metadata=self.__metadata + ) + return obj.encode(value) + + async def _init_init_runtime(self): + """ + TODO rename/docstring + """ + runtime_info, metadata = await asyncio.gather( + self.get_block_runtime_version(None), self.get_block_metadata() + ) + self.__metadata = metadata + self.__metadata_cache[self.runtime_version] = self.__metadata + self.runtime_version = runtime_info.get("specVersion") + self.runtime_config.set_active_spec_version_id(self.runtime_version) + self.transaction_version = runtime_info.get("transactionVersion") + if self.implements_scaleinfo: + self.runtime_config.add_portable_registry(metadata) + # Set runtime compatibility flags + try: + _ = self.runtime_config.create_scale_object("sp_weights::weight_v2::Weight") + self.config["is_weight_v2"] = True + self.runtime_config.update_type_registry_types( + {"Weight": "sp_weights::weight_v2::Weight"} + ) + except NotImplementedError: + self.config["is_weight_v2"] = False + self.runtime_config.update_type_registry_types({"Weight": "WeightV1"}) + + async def init_runtime( + self, block_hash: Optional[str] = None, block_id: Optional[int] = None + ) -> Runtime: + """ + This method is used by all other methods that deals with metadata and types defined in the type registry. + It optionally retrieves the block_hash when block_id is given and sets the applicable metadata for that + block_hash. Also, it applies all the versioned types at the time of the block_hash. + + Because parsing of metadata and type registry is quite heavy, the result will be cached per runtime id. + In the future there could be support for caching backends like Redis to make this cache more persistent. + + Args: + block_hash: optional block hash, should not be specified if block_id is + block_id: optional block id, should not be specified if block_hash is + + Returns: + Runtime object + """ + + async def get_runtime(block_hash, block_id) -> Runtime: + # Check if runtime state already set to current block + if ( + (block_hash and block_hash == self.last_block_hash) + or (block_id and block_id == self.block_id) + ) and self.__metadata is not None: + return Runtime( + self.chain, + self.runtime_config, + self.__metadata, + self.type_registry, + ) + + if block_id is not None: + block_hash = await self.get_block_hash(block_id) + + if not block_hash: + block_hash = await self.get_chain_head() + + self.last_block_hash = block_hash + self.block_id = block_id + + # In fact calls and storage functions are decoded against runtime of previous block, therefore retrieve + # metadata and apply type registry of runtime of parent block + block_header = await self.rpc_request( + "chain_getHeader", [self.last_block_hash] + ) + + if block_header["result"] is None: + raise SubstrateRequestException( + f'Block not found for "{self.last_block_hash}"' + ) + parent_block_hash: str = block_header["result"]["parentHash"] + + if ( + parent_block_hash + == "0x0000000000000000000000000000000000000000000000000000000000000000" + ): + runtime_block_hash = self.last_block_hash + else: + runtime_block_hash = parent_block_hash + + runtime_info = await self.get_block_runtime_version( + block_hash=runtime_block_hash + ) + + if runtime_info is None: + raise SubstrateRequestException( + f"No runtime information for block '{block_hash}'" + ) + # Check if runtime state already set to current block + if ( + runtime_info.get("specVersion") == self.runtime_version + and self.__metadata is not None + ): + return Runtime( + self.chain, + self.runtime_config, + self.__metadata, + self.type_registry, + ) + + self.runtime_version = runtime_info.get("specVersion") + self.transaction_version = runtime_info.get("transactionVersion") + + if not self.__metadata: + if self.runtime_version in self.__metadata_cache: + # Get metadata from cache + logging.debug( + "Retrieved metadata for {} from memory".format( + self.runtime_version + ) + ) + metadata = self.__metadata = self.__metadata_cache[ + self.runtime_version + ] + else: + metadata = self.__metadata = await self.get_block_metadata( + block_hash=runtime_block_hash, decode=True + ) + logging.debug( + "Retrieved metadata for {} from Substrate node".format( + self.runtime_version + ) + ) + + # Update metadata cache + self.__metadata_cache[self.runtime_version] = self.__metadata + else: + metadata = self.__metadata + # Update type registry + self.reload_type_registry(use_remote_preset=False, auto_discover=True) + + if self.implements_scaleinfo: + logging.debug("Add PortableRegistry from metadata to type registry") + self.runtime_config.add_portable_registry(metadata) + + # Set active runtime version + self.runtime_config.set_active_spec_version_id(self.runtime_version) + + # Check and apply runtime constants + ss58_prefix_constant = await self.get_constant( + "System", "SS58Prefix", block_hash=block_hash + ) + + if ss58_prefix_constant: + self.ss58_format = ss58_prefix_constant + + # Set runtime compatibility flags + try: + _ = self.runtime_config.create_scale_object( + "sp_weights::weight_v2::Weight" + ) + self.config["is_weight_v2"] = True + self.runtime_config.update_type_registry_types( + {"Weight": "sp_weights::weight_v2::Weight"} + ) + except NotImplementedError: + self.config["is_weight_v2"] = False + self.runtime_config.update_type_registry_types({"Weight": "WeightV1"}) + return Runtime( + self.chain, + self.runtime_config, + metadata, + self.type_registry, + ) + + if block_id and block_hash: + raise ValueError("Cannot provide block_hash and block_id at the same time") + + if ( + not (runtime := self.runtime_cache.retrieve(block_id, block_hash)) + or runtime.metadata is None + ): + runtime = await get_runtime(block_hash, block_id) + self.runtime_cache.add_item(block_id, block_hash, runtime) + return runtime + + async def create_storage_key( + self, + pallet: str, + storage_function: str, + params: Optional[list] = None, + block_hash: str = None, + ) -> StorageKey: + """ + Create a `StorageKey` instance providing storage function details. See `subscribe_storage()`. + + Args: + pallet: name of pallet + storage_function: name of storage function + params: list of parameters in case of a Mapped storage function + block_hash: the hash of the blockchain block whose runtime to use + + Returns: + StorageKey + """ + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + return StorageKey.create_from_storage_function( + pallet, + storage_function, + params, + runtime_config=self.runtime_config, + metadata=self.__metadata, + ) + + async def get_metadata_storage_functions(self, block_hash=None) -> list: + """ + Retrieves a list of all storage functions in metadata active at given block_hash (or chaintip if block_hash is + omitted) + + Args: + block_hash: hash of the blockchain block whose runtime to use + + Returns: + list of storage functions + """ + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + storage_list = [] + + for module_idx, module in enumerate(self.metadata.pallets): + if module.storage: + for storage in module.storage: + storage_list.append( + self.serialize_storage_item( + storage_item=storage, + module=module, + spec_version_id=self.runtime_version, + ) + ) + + return storage_list + + async def get_metadata_storage_function( + self, module_name, storage_name, block_hash=None + ): + """ + Retrieves the details of a storage function for given module name, call function name and block_hash + + Args: + module_name + storage_name + block_hash + + Returns: + Metadata storage function + """ + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + pallet = self.metadata.get_metadata_pallet(module_name) + + if pallet: + return pallet.get_storage_function(storage_name) + + async def get_metadata_errors( + self, block_hash=None + ) -> list[dict[str, Optional[str]]]: + """ + Retrieves a list of all errors in metadata active at given block_hash (or chaintip if block_hash is omitted) + + Args: + block_hash: hash of the blockchain block whose metadata to use + + Returns: + list of errors in the metadata + """ + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + error_list = [] + + for module_idx, module in enumerate(self.__metadata.pallets): + if module.errors: + for error in module.errors: + error_list.append( + self.serialize_module_error( + module=module, + error=error, + spec_version=self.runtime_version, + ) + ) + + return error_list + + async def get_metadata_error(self, module_name, error_name, block_hash=None): + """ + Retrieves the details of an error for given module name, call function name and block_hash + + Args: + module_name: module name for the error lookup + error_name: error name for the error lookup + block_hash: hash of the blockchain block whose metadata to use + + Returns: + error + + """ + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + for module_idx, module in enumerate(self.__metadata.pallets): + if module.name == module_name and module.errors: + for error in module.errors: + if error_name == error.name: + return error + + async def get_metadata_runtime_call_functions( + self, + ) -> list[GenericRuntimeCallDefinition]: + """ + Get a list of available runtime API calls + + Returns: + list of runtime call functions + """ + if not self.__metadata: + await self.init_runtime() + call_functions = [] + + for api, methods in self.runtime_config.type_registry["runtime_api"].items(): + for method in methods["methods"].keys(): + call_functions.append( + await self.get_metadata_runtime_call_function(api, method) + ) + + return call_functions + + async def get_metadata_runtime_call_function( + self, api: str, method: str + ) -> GenericRuntimeCallDefinition: + """ + Get details of a runtime API call + + Args: + api: Name of the runtime API e.g. 'TransactionPaymentApi' + method: Name of the method e.g. 'query_fee_details' + + Returns: + runtime call function + """ + if not self.__metadata: + await self.init_runtime() + + try: + runtime_call_def = self.runtime_config.type_registry["runtime_api"][api][ + "methods" + ][method] + runtime_call_def["api"] = api + runtime_call_def["method"] = method + runtime_api_types = self.runtime_config.type_registry["runtime_api"][ + api + ].get("types", {}) + except KeyError: + raise ValueError(f"Runtime API Call '{api}.{method}' not found in registry") + + # Add runtime API types to registry + self.runtime_config.update_type_registry_types(runtime_api_types) + + runtime_call_def_obj = await self.create_scale_object("RuntimeCallDefinition") + runtime_call_def_obj.encode(runtime_call_def) + + return runtime_call_def_obj + + async def _get_block_handler( + self, + block_hash: str, + ignore_decoding_errors: bool = False, + include_author: bool = False, + header_only: bool = False, + finalized_only: bool = False, + subscription_handler: Optional[Callable[[dict], Awaitable[Any]]] = None, + ): + try: + await self.init_runtime(block_hash=block_hash) + except BlockNotFound: + return None + + async def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: + if block_data: + if block_data_hash: + block_data["header"]["hash"] = block_data_hash + + if isinstance(block_data["header"]["number"], str): + # Convert block number from hex (backwards compatibility) + block_data["header"]["number"] = int( + block_data["header"]["number"], 16 + ) + + extrinsic_cls = self.runtime_config.get_decoder_class("Extrinsic") + + if "extrinsics" in block_data: + for idx, extrinsic_data in enumerate(block_data["extrinsics"]): + try: + extrinsic_decoder = extrinsic_cls( + data=ScaleBytes(extrinsic_data), + metadata=self.__metadata, + runtime_config=self.runtime_config, + ) + extrinsic_decoder.decode(check_remaining=True) + block_data["extrinsics"][idx] = extrinsic_decoder + + except Exception: + if not ignore_decoding_errors: + raise + block_data["extrinsics"][idx] = None + + for idx, log_data in enumerate(block_data["header"]["digest"]["logs"]): + if isinstance(log_data, str): + # Convert digest log from hex (backwards compatibility) + try: + log_digest_cls = self.runtime_config.get_decoder_class( + "sp_runtime::generic::digest::DigestItem" + ) + + if log_digest_cls is None: + raise NotImplementedError( + "No decoding class found for 'DigestItem'" + ) + + log_digest = log_digest_cls(data=ScaleBytes(log_data)) + log_digest.decode( + check_remaining=self.config.get("strict_scale_decode") + ) + + block_data["header"]["digest"]["logs"][idx] = log_digest + + if include_author and "PreRuntime" in log_digest.value: + if self.implements_scaleinfo: + engine = bytes(log_digest[1][0]) + # Retrieve validator set + parent_hash = block_data["header"]["parentHash"] + validator_set = await self.query( + "Session", "Validators", block_hash=parent_hash + ) + + if engine == b"BABE": + babe_predigest = ( + self.runtime_config.create_scale_object( + type_string="RawBabePreDigest", + data=ScaleBytes( + bytes(log_digest[1][1]) + ), + ) + ) + + babe_predigest.decode( + check_remaining=self.config.get( + "strict_scale_decode" + ) + ) + + rank_validator = babe_predigest[1].value[ + "authority_index" + ] + + block_author = validator_set[rank_validator] + block_data["author"] = block_author.value + + elif engine == b"aura": + aura_predigest = ( + self.runtime_config.create_scale_object( + type_string="RawAuraPreDigest", + data=ScaleBytes( + bytes(log_digest[1][1]) + ), + ) + ) + + aura_predigest.decode(check_remaining=True) + + rank_validator = aura_predigest.value[ + "slot_number" + ] % len(validator_set) + + block_author = validator_set[rank_validator] + block_data["author"] = block_author.value + else: + raise NotImplementedError( + f"Cannot extract author for engine {log_digest.value['PreRuntime'][0]}" + ) + else: + if ( + log_digest.value["PreRuntime"]["engine"] + == "BABE" + ): + validator_set = await self.query( + "Session", + "Validators", + block_hash=block_hash, + ) + rank_validator = log_digest.value["PreRuntime"][ + "data" + ]["authority_index"] + + block_author = validator_set.elements[ + rank_validator + ] + block_data["author"] = block_author.value + else: + raise NotImplementedError( + f"Cannot extract author for engine" + f" {log_digest.value['PreRuntime']['engine']}" + ) + + except Exception: + if not ignore_decoding_errors: + raise + block_data["header"]["digest"]["logs"][idx] = None + + return block_data + + if callable(subscription_handler): + rpc_method_prefix = "Finalized" if finalized_only else "New" + + async def result_handler( + message: dict, subscription_id: str + ) -> tuple[Any, bool]: + reached = False + subscription_result = None + if "params" in message: + new_block = await decode_block( + {"header": message["params"]["result"]} + ) + + subscription_result = await subscription_handler(new_block) + + if subscription_result is not None: + reached = True + # Handler returned end result: unsubscribe from further updates + self._forgettable_task = asyncio.create_task( + self.rpc_request( + f"chain_unsubscribe{rpc_method_prefix}Heads", + [subscription_id], + ) + ) + + return subscription_result, reached + + result = await self._make_rpc_request( + [ + self.make_payload( + "_get_block_handler", + f"chain_subscribe{rpc_method_prefix}Heads", + [], + ) + ], + result_handler=result_handler, + ) + + return result["_get_block_handler"][-1] + + else: + if header_only: + response = await self.rpc_request("chain_getHeader", [block_hash]) + return await decode_block( + {"header": response["result"]}, block_data_hash=block_hash + ) + + else: + response = await self.rpc_request("chain_getBlock", [block_hash]) + return await decode_block( + response["result"]["block"], block_data_hash=block_hash + ) + + async def get_block( + self, + block_hash: Optional[str] = None, + block_number: Optional[int] = None, + ignore_decoding_errors: bool = False, + include_author: bool = False, + finalized_only: bool = False, + ) -> Optional[dict]: + """ + Retrieves a block and decodes its containing extrinsics and log digest items. If `block_hash` and `block_number` + is omitted the chain tip will be retrieved, or the finalized head if `finalized_only` is set to true. + + Either `block_hash` or `block_number` should be set, or both omitted. + + Args: + block_hash: the hash of the block to be retrieved + block_number: the block number to retrieved + ignore_decoding_errors: When set this will catch all decoding errors, set the item to None and continue + decoding + include_author: This will retrieve the block author from the validator set and add to the result + finalized_only: when no `block_hash` or `block_number` is set, this will retrieve the finalized head + + Returns: + A dict containing the extrinsic and digest logs data + """ + if block_hash and block_number: + raise ValueError("Either block_hash or block_number should be set") + + if block_number is not None: + block_hash = await self.get_block_hash(block_number) + + if block_hash is None: + return + + if block_hash and finalized_only: + raise ValueError( + "finalized_only cannot be True when block_hash is provided" + ) + + if block_hash is None: + # Retrieve block hash + if finalized_only: + block_hash = await self.get_chain_finalised_head() + else: + block_hash = await self.get_chain_head() + + return await self._get_block_handler( + block_hash=block_hash, + ignore_decoding_errors=ignore_decoding_errors, + header_only=False, + include_author=include_author, + ) + + async def get_block_header( + self, + block_hash: Optional[str] = None, + block_number: Optional[int] = None, + ignore_decoding_errors: bool = False, + include_author: bool = False, + finalized_only: bool = False, + ) -> dict: + """ + Retrieves a block header and decodes its containing log digest items. If `block_hash` and `block_number` + is omitted the chain tip will be retrieved, or the finalized head if `finalized_only` is set to true. + + Either `block_hash` or `block_number` should be set, or both omitted. + + See `get_block()` to also include the extrinsics in the result + + Args: + block_hash: the hash of the block to be retrieved + block_number: the block number to retrieved + ignore_decoding_errors: When set this will catch all decoding errors, set the item to None and continue + decoding + include_author: This will retrieve the block author from the validator set and add to the result + finalized_only: when no `block_hash` or `block_number` is set, this will retrieve the finalized head + + Returns: + A dict containing the header and digest logs data + """ + if block_hash and block_number: + raise ValueError("Either block_hash or block_number should be be set") + + if block_number is not None: + block_hash = await self.get_block_hash(block_number) + + if block_hash is None: + return + + if block_hash and finalized_only: + raise ValueError( + "finalized_only cannot be True when block_hash is provided" + ) + + if block_hash is None: + # Retrieve block hash + if finalized_only: + block_hash = await self.get_chain_finalised_head() + else: + block_hash = await self.get_chain_head() + + else: + # Check conflicting scenarios + if finalized_only: + raise ValueError( + "finalized_only cannot be True when block_hash is provided" + ) + + return await self._get_block_handler( + block_hash=block_hash, + ignore_decoding_errors=ignore_decoding_errors, + header_only=True, + include_author=include_author, + ) + + async def subscribe_block_headers( + self, + subscription_handler: callable, + ignore_decoding_errors: bool = False, + include_author: bool = False, + finalized_only=False, + ): + """ + Subscribe to new block headers as soon as they are available. The callable `subscription_handler` will be + executed when a new block is available and execution will block until `subscription_handler` will return + a result other than `None`. + + Example: + + ``` + async def subscription_handler(obj, update_nr, subscription_id): + + print(f"New block #{obj['header']['number']} produced by {obj['header']['author']}") + + if update_nr > 10 + return {'message': 'Subscription will cancel when a value is returned', 'updates_processed': update_nr} + + + result = await substrate.subscribe_block_headers(subscription_handler, include_author=True) + ``` + + Args: + subscription_handler: the coroutine as explained above + ignore_decoding_errors: When set this will catch all decoding errors, set the item to `None` and continue + decoding + include_author: This will retrieve the block author from the validator set and add to the result + finalized_only: when no `block_hash` or `block_number` is set, this will retrieve the finalized head + + Returns: + Value return by `subscription_handler` + """ + # Retrieve block hash + if finalized_only: + block_hash = await self.get_chain_finalised_head() + else: + block_hash = await self.get_chain_head() + + return await self._get_block_handler( + block_hash, + subscription_handler=subscription_handler, + ignore_decoding_errors=ignore_decoding_errors, + include_author=include_author, + finalized_only=finalized_only, + ) + + async def retrieve_extrinsic_by_identifier( + self, extrinsic_identifier: str + ) -> "AsyncExtrinsicReceipt": + """ + Retrieve an extrinsic by its identifier in format "[block_number]-[extrinsic_index]" e.g. 333456-4 + + Args: + extrinsic_identifier: "[block_number]-[extrinsic_idx]" e.g. 134324-2 + + Returns: + ExtrinsicReceiptLike object of the extrinsic + """ + return await self.extrinsic_receipt_cls.create_from_extrinsic_identifier( + substrate=self, extrinsic_identifier=extrinsic_identifier + ) + + def retrieve_extrinsic_by_hash( + self, block_hash: str, extrinsic_hash: str + ) -> "AsyncExtrinsicReceipt": + """ + Retrieve an extrinsic by providing the block_hash and the extrinsic hash + + Args: + block_hash: hash of the blockchain block where the extrinsic is located + extrinsic_hash: hash of the extrinsic + + Returns: + ExtrinsicReceiptLike of the extrinsic + """ + return self.extrinsic_receipt_cls( + substrate=self, block_hash=block_hash, extrinsic_hash=extrinsic_hash + ) + + async def get_extrinsics( + self, block_hash: str = None, block_number: int = None + ) -> Optional[list["AsyncExtrinsicReceipt"]]: + """ + Return all extrinsics for given block_hash or block_number + + Args: + block_hash: hash of the blockchain block to retrieve extrinsics for + block_number: block number to retrieve extrinsics for + + Returns: + ExtrinsicReceipts of the extrinsics for the block, if any. + """ + block = await self.get_block(block_hash=block_hash, block_number=block_number) + if block: + return block["extrinsics"] + + async def get_events(self, block_hash: Optional[str] = None) -> list: + """ + Convenience method to get events for a certain block (storage call for module 'System' and function 'Events') + + Args: + block_hash: the hash of the block to be retrieved + + Returns: + list of events + """ + + def convert_event_data(data): + # Extract phase information + phase_key, phase_value = next(iter(data["phase"].items())) + try: + extrinsic_idx = phase_value[0] + except IndexError: + extrinsic_idx = None + + # Extract event details + module_id, event_data = next(iter(data["event"].items())) + event_id, attributes_data = next(iter(event_data[0].items())) + + # Convert class and pays_fee dictionaries to their string equivalents if they exist + attributes = attributes_data + if isinstance(attributes, dict): + for key, value in attributes.items(): + if isinstance(value, dict): + # Convert nested single-key dictionaries to their keys as strings + sub_key = next(iter(value.keys())) + if value[sub_key] == (): + attributes[key] = sub_key + + # Create the converted dictionary + converted = { + "phase": phase_key, + "extrinsic_idx": extrinsic_idx, + "event": { + "module_id": module_id, + "event_id": event_id, + "attributes": attributes, + }, + "topics": list(data["topics"]), # Convert topics tuple to a list + } + + return converted + + events = [] + + if not block_hash: + block_hash = await self.get_chain_head() + + storage_obj = await self.query( + module="System", storage_function="Events", block_hash=block_hash + ) + if storage_obj: + for item in list(storage_obj): + events.append(convert_event_data(item)) + return events + + async def get_block_runtime_version(self, block_hash: str) -> dict: + """ + Retrieve the runtime version id of given block_hash + """ + response = await self.rpc_request("state_getRuntimeVersion", [block_hash]) + return response.get("result") + + async def get_block_metadata( + self, block_hash: Optional[str] = None, decode: bool = True + ) -> Optional[Union[dict, ScaleType]]: + """ + A pass-though to existing JSONRPC method `state_getMetadata`. + + Args: + block_hash: the hash of the block to be queried against + decode: Whether to decode the metadata or present it raw + + Returns: + metadata, either as a dict (not decoded) or ScaleType (decoded); None if there was no response + from the server + """ + params = None + if decode and not self.runtime_config: + raise ValueError( + "Cannot decode runtime configuration without a supplied runtime_config" + ) + + if block_hash: + params = [block_hash] + response = await self.rpc_request("state_getMetadata", params) + + if "error" in response: + raise SubstrateRequestException(response["error"]["message"]) + + if (result := response.get("result")) and decode: + metadata_decoder = self.runtime_config.create_scale_object( + "MetadataVersioned", data=ScaleBytes(result) + ) + metadata_decoder.decode() + + return metadata_decoder + else: + return result + + async def _preprocess( + self, + query_for: Optional[list], + block_hash: Optional[str], + storage_function: str, + module: str, + raw_storage_key: Optional[bytes] = None, + ) -> Preprocessed: + """ + Creates a Preprocessed data object for passing to `_make_rpc_request` + """ + params = query_for if query_for else [] + # Search storage call in metadata + metadata_pallet = self.__metadata.get_metadata_pallet(module) + + if not metadata_pallet: + raise SubstrateRequestException(f'Pallet "{module}" not found') + + storage_item = metadata_pallet.get_storage_function(storage_function) + + if not metadata_pallet or not storage_item: + raise SubstrateRequestException( + f'Storage function "{module}.{storage_function}" not found' + ) + + # SCALE type string of value + param_types = storage_item.get_params_type_string() + value_scale_type = storage_item.get_value_type_string() + + if len(params) != len(param_types): + raise ValueError( + f"Storage function requires {len(param_types)} parameters, {len(params)} given" + ) + + if raw_storage_key: + storage_key = StorageKey.create_from_data( + data=raw_storage_key, + pallet=module, + storage_function=storage_function, + value_scale_type=value_scale_type, + metadata=self.metadata, + runtime_config=self.runtime_config, + ) + else: + storage_key = StorageKey.create_from_storage_function( + module, + storage_item.value["name"], + params, + runtime_config=self.runtime_config, + metadata=self.__metadata, + ) + method = "state_getStorageAt" + return Preprocessed( + str(query_for), + method, + [storage_key.to_hex(), block_hash], + value_scale_type, + storage_item, + ) + + async def _process_response( + self, + response: dict, + subscription_id: Union[int, str], + value_scale_type: Optional[str] = None, + storage_item: Optional[ScaleType] = None, + runtime: Optional[Runtime] = None, + result_handler: Optional[ResultHandler] = None, + ) -> tuple[Any, bool]: + """ + Processes the RPC call response by decoding it, returning it as is, or setting a handler for subscriptions, + depending on the specific call. + + Args: + response: the RPC call response + subscription_id: the subscription id for subscriptions, used only for subscriptions with a result handler + value_scale_type: Scale Type string used for decoding ScaleBytes results + storage_item: The ScaleType object used for decoding ScaleBytes results + runtime: the runtime object, used for decoding ScaleBytes results + result_handler: the result handler coroutine used for handling longer-running subscriptions + + Returns: + (decoded response, completion) + """ + result: Union[dict, ScaleType] = response + if value_scale_type and isinstance(storage_item, ScaleType): + if (response_result := response.get("result")) is not None: + query_value = response_result + elif storage_item.value["modifier"] == "Default": + # Fallback to default value of storage function if no result + query_value = storage_item.value_object["default"].value_object + else: + # No result is interpreted as an Option<...> result + value_scale_type = f"Option<{value_scale_type}>" + query_value = storage_item.value_object["default"].value_object + if isinstance(query_value, str): + q = bytes.fromhex(query_value[2:]) + elif isinstance(query_value, bytearray): + q = bytes(query_value) + else: + q = query_value + result = await self.decode_scale(value_scale_type, q) + if asyncio.iscoroutinefunction(result_handler): + # For multipart responses as a result of subscriptions. + message, bool_result = await result_handler(result, subscription_id) + return message, bool_result + return result, True + + async def _make_rpc_request( + self, + payloads: list[dict], + value_scale_type: Optional[str] = None, + storage_item: Optional[ScaleType] = None, + runtime: Optional[Runtime] = None, + result_handler: Optional[ResultHandler] = None, + attempt: int = 1, + ) -> RequestManager.RequestResults: + request_manager = RequestManager(payloads) + + subscription_added = False + + async with self.ws as ws: + if len(payloads) > 1: + send_coroutines = await asyncio.gather( + *[ws.send(item["payload"]) for item in payloads] + ) + for item_id, item in zip(send_coroutines, payloads): + request_manager.add_request(item_id, item["id"]) + else: + item = payloads[0] + item_id = await ws.send(item["payload"]) + request_manager.add_request(item_id, item["id"]) + + while True: + for item_id in list(request_manager.response_map.keys()): + if ( + item_id not in request_manager.responses + or asyncio.iscoroutinefunction(result_handler) + ): + if response := await ws.retrieve(item_id): + if ( + asyncio.iscoroutinefunction(result_handler) + and not subscription_added + ): + # handles subscriptions, overwrites the previous mapping of {item_id : payload_id} + # with {subscription_id : payload_id} + try: + item_id = request_manager.overwrite_request( + item_id, response["result"] + ) + subscription_added = True + except KeyError: + raise SubstrateRequestException(str(response)) + decoded_response, complete = await self._process_response( + response, + item_id, + value_scale_type, + storage_item, + runtime, + result_handler, + ) + request_manager.add_response( + item_id, decoded_response, complete + ) + + if request_manager.is_complete: + break + if time.time() - self.ws.last_received >= self.retry_timeout: + if attempt >= self.max_retries: + logging.warning( + f"Timed out waiting for RPC requests {attempt} times. Exiting." + ) + raise SubstrateRequestException("Max retries reached.") + else: + self.ws.last_received = time.time() + await self.ws.connect(force=True) + logging.error( + f"Timed out waiting for RPC requests. " + f"Retrying attempt {attempt + 1} of {self.max_retries}" + ) + return await self._make_rpc_request( + payloads, + value_scale_type, + storage_item, + runtime, + result_handler, + attempt + 1, + ) + + return request_manager.get_results() + + @a.lru_cache(maxsize=512) # RPC methods are unlikely to change often + async def supports_rpc_method(self, name: str) -> bool: + """ + Check if substrate RPC supports given method + Parameters + ---------- + name: name of method to check + + Returns + ------- + bool + """ + result = (await self.rpc_request("rpc_methods", [])).get("result") + if result: + self.config["rpc_methods"] = result.get("methods", []) + + return name in self.config["rpc_methods"] + + async def rpc_request( + self, + method: str, + params: Optional[list], + block_hash: Optional[str] = None, + reuse_block_hash: bool = False, + ) -> Any: + """ + Makes an RPC request to the subtensor. Use this only if `self.query`` and `self.query_multiple` and + `self.query_map` do not meet your needs. + + Args: + method: str the method in the RPC request + params: list of the params in the RPC request + block_hash: the hash of the block — only supply this if not supplying the block + hash in the params, and not reusing the block hash + reuse_block_hash: whether to reuse the block hash in the params — only mark as True + if not supplying the block hash in the params, or via the `block_hash` parameter + + Returns: + the response from the RPC request + """ + block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) + params = params or [] + payload_id = f"{method}{random.randint(0, 7000)}" + payloads = [ + self.make_payload( + payload_id, + method, + params + [block_hash] if block_hash else params, + ) + ] + runtime = Runtime( + self.chain, + self.runtime_config, + self.__metadata, + self.type_registry, + ) + result = await self._make_rpc_request(payloads, runtime=runtime) + if "error" in result[payload_id][0]: + if ( + "Failed to get runtime version" + in result[payload_id][0]["error"]["message"] + ): + logging.warning( + "Failed to get runtime. Re-fetching from chain, and retrying." + ) + await self.init_runtime() + return await self.rpc_request( + method, params, block_hash, reuse_block_hash + ) + raise SubstrateRequestException(result[payload_id][0]["error"]["message"]) + if "result" in result[payload_id][0]: + return result[payload_id][0] + else: + raise SubstrateRequestException(result[payload_id][0]) + + async def get_block_hash(self, block_id: int) -> str: + return (await self.rpc_request("chain_getBlockHash", [block_id]))["result"] + + async def get_chain_head(self) -> str: + result = await self._make_rpc_request( + [ + self.make_payload( + "rpc_request", + "chain_getHead", + [], + ) + ], + runtime=Runtime( + self.chain, + self.runtime_config, + self.__metadata, + self.type_registry, + ), + ) + self.last_block_hash = result["rpc_request"][0]["result"] + return result["rpc_request"][0]["result"] + + async def compose_call( + self, + call_module: str, + call_function: str, + call_params: Optional[dict] = None, + block_hash: Optional[str] = None, + ) -> GenericCall: + """ + Composes a call payload which can be used in an extrinsic. + + Args: + call_module: Name of the runtime module e.g. Balances + call_function: Name of the call function e.g. transfer + call_params: This is a dict containing the params of the call. e.g. + `{'dest': 'EaG2CRhJWPb7qmdcJvy3LiWdh26Jreu9Dx6R1rXxPmYXoDk', 'value': 1000000000000}` + block_hash: Use metadata at given block_hash to compose call + + Returns: + A composed call + """ + if call_params is None: + call_params = {} + + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + call = self.runtime_config.create_scale_object( + type_string="Call", metadata=self.__metadata + ) + + call.encode( + { + "call_module": call_module, + "call_function": call_function, + "call_args": call_params, + } + ) + + return call + + async def query_multiple( + self, + params: list, + storage_function: str, + module: str, + block_hash: Optional[str] = None, + reuse_block_hash: bool = False, + ) -> dict[str, ScaleType]: + """ + Queries the subtensor. Only use this when making multiple queries, else use ``self.query`` + """ + # By allowing for specifying the block hash, users, if they have multiple query types they want + # to do, can simply query the block hash first, and then pass multiple query_subtensor calls + # into an asyncio.gather, with the specified block hash + block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) + if block_hash: + self.last_block_hash = block_hash + if not self.__metadata or block_hash: + runtime = await self.init_runtime(block_hash=block_hash) + else: + runtime = self.runtime + preprocessed: tuple[Preprocessed] = await asyncio.gather( + *[ + self._preprocess([x], block_hash, storage_function, module) + for x in params + ] + ) + all_info = [ + self.make_payload(item.queryable, item.method, item.params) + for item in preprocessed + ] + # These will always be the same throughout the preprocessed list, so we just grab the first one + value_scale_type = preprocessed[0].value_scale_type + storage_item = preprocessed[0].storage_item + + responses = await self._make_rpc_request( + all_info, value_scale_type, storage_item, runtime + ) + return { + param: responses[p.queryable][0] for (param, p) in zip(params, preprocessed) + } + + async def query_multi( + self, storage_keys: list[StorageKey], block_hash: Optional[str] = None + ) -> list: + """ + Query multiple storage keys in one request. + + Example: + + ``` + storage_keys = [ + substrate.create_storage_key( + "System", "Account", ["F4xQKRUagnSGjFqafyhajLs94e7Vvzvr8ebwYJceKpr8R7T"] + ), + substrate.create_storage_key( + "System", "Account", ["GSEX8kR4Kz5UZGhvRUCJG93D5hhTAoVZ5tAe6Zne7V42DSi"] + ) + ] + + result = substrate.query_multi(storage_keys) + ``` + + Args: + storage_keys: list of StorageKey objects + block_hash: hash of the block to query against + + Returns: + list of `(storage_key, scale_obj)` tuples + """ + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + # Retrieve corresponding value + response = await self.rpc_request( + "state_queryStorageAt", [[s.to_hex() for s in storage_keys], block_hash] + ) + + if "error" in response: + raise SubstrateRequestException(response["error"]["message"]) + + result = [] + + storage_key_map = {s.to_hex(): s for s in storage_keys} + + for result_group in response["result"]: + for change_storage_key, change_data in result_group["changes"]: + # Decode result for specified storage_key + storage_key = storage_key_map[change_storage_key] + if change_data is None: + change_data = b"\x00" + else: + change_data = bytes.fromhex(change_data[2:]) + result.append( + ( + storage_key, + await self.decode_scale( + storage_key.value_scale_type, change_data + ), + ) + ) + + return result + + async def create_scale_object( + self, + type_string: str, + data: Optional[ScaleBytes] = None, + block_hash: Optional[str] = None, + **kwargs, + ) -> "ScaleType": + """ + Convenience method to create a SCALE object of type `type_string`, this will initialize the runtime + automatically at moment of `block_hash`, or chain tip if omitted. + + Args: + type_string: Name of SCALE type to create + data: ScaleBytes: ScaleBytes to decode + block_hash: block hash for moment of decoding, when omitted the chain tip will be used + kwargs: keyword args for the Scale Type constructor + + Returns: + The created Scale Type object + """ + if not self.__metadata or block_hash: + runtime = await self.init_runtime(block_hash=block_hash) + else: + runtime = self.runtime + if "metadata" not in kwargs: + kwargs["metadata"] = runtime.metadata + + return runtime.runtime_config.create_scale_object( + type_string, data=data, **kwargs + ) + + async def generate_signature_payload( + self, + call: GenericCall, + era=None, + nonce: int = 0, + tip: int = 0, + tip_asset_id: Optional[int] = None, + include_call_length: bool = False, + ) -> ScaleBytes: + # Retrieve genesis hash + genesis_hash = await self.get_block_hash(0) + + if not era: + era = "00" + + if era == "00": + # Immortal extrinsic + block_hash = genesis_hash + else: + # Determine mortality of extrinsic + era_obj = self.runtime_config.create_scale_object("Era") + + if isinstance(era, dict) and "current" not in era and "phase" not in era: + raise ValueError( + 'The era dict must contain either "current" or "phase" element to encode a valid era' + ) + + era_obj.encode(era) + block_hash = await self.get_block_hash( + block_id=era_obj.birth(era.get("current")) + ) + + # Create signature payload + signature_payload = self.runtime_config.create_scale_object( + "ExtrinsicPayloadValue" + ) + + # Process signed extensions in metadata + if "signed_extensions" in self.__metadata[1][1]["extrinsic"]: + # Base signature payload + signature_payload.type_mapping = [["call", "CallBytes"]] + + # Add signed extensions to payload + signed_extensions = self.__metadata.get_signed_extensions() + + if "CheckMortality" in signed_extensions: + signature_payload.type_mapping.append( + ["era", signed_extensions["CheckMortality"]["extrinsic"]] + ) + + if "CheckEra" in signed_extensions: + signature_payload.type_mapping.append( + ["era", signed_extensions["CheckEra"]["extrinsic"]] + ) + + if "CheckNonce" in signed_extensions: + signature_payload.type_mapping.append( + ["nonce", signed_extensions["CheckNonce"]["extrinsic"]] + ) + + if "ChargeTransactionPayment" in signed_extensions: + signature_payload.type_mapping.append( + ["tip", signed_extensions["ChargeTransactionPayment"]["extrinsic"]] + ) + + if "ChargeAssetTxPayment" in signed_extensions: + signature_payload.type_mapping.append( + ["asset_id", signed_extensions["ChargeAssetTxPayment"]["extrinsic"]] + ) + + if "CheckMetadataHash" in signed_extensions: + signature_payload.type_mapping.append( + ["mode", signed_extensions["CheckMetadataHash"]["extrinsic"]] + ) + + if "CheckSpecVersion" in signed_extensions: + signature_payload.type_mapping.append( + [ + "spec_version", + signed_extensions["CheckSpecVersion"]["additional_signed"], + ] + ) + + if "CheckTxVersion" in signed_extensions: + signature_payload.type_mapping.append( + [ + "transaction_version", + signed_extensions["CheckTxVersion"]["additional_signed"], + ] + ) + + if "CheckGenesis" in signed_extensions: + signature_payload.type_mapping.append( + [ + "genesis_hash", + signed_extensions["CheckGenesis"]["additional_signed"], + ] + ) + + if "CheckMortality" in signed_extensions: + signature_payload.type_mapping.append( + [ + "block_hash", + signed_extensions["CheckMortality"]["additional_signed"], + ] + ) + + if "CheckEra" in signed_extensions: + signature_payload.type_mapping.append( + ["block_hash", signed_extensions["CheckEra"]["additional_signed"]] + ) + + if "CheckMetadataHash" in signed_extensions: + signature_payload.type_mapping.append( + [ + "metadata_hash", + signed_extensions["CheckMetadataHash"]["additional_signed"], + ] + ) + + if include_call_length: + length_obj = self.runtime_config.create_scale_object("Bytes") + call_data = str(length_obj.encode(str(call.data))) + + else: + call_data = str(call.data) + + payload_dict = { + "call": call_data, + "era": era, + "nonce": nonce, + "tip": tip, + "spec_version": self.runtime_version, + "genesis_hash": genesis_hash, + "block_hash": block_hash, + "transaction_version": self.transaction_version, + "asset_id": {"tip": tip, "asset_id": tip_asset_id}, + "metadata_hash": None, + "mode": "Disabled", + } + + signature_payload.encode(payload_dict) + + if signature_payload.data.length > 256: + return ScaleBytes( + data=blake2b(signature_payload.data.data, digest_size=32).digest() + ) + + return signature_payload.data + + async def create_signed_extrinsic( + self, + call: GenericCall, + keypair: Keypair, + era: Optional[dict] = None, + nonce: Optional[int] = None, + tip: int = 0, + tip_asset_id: Optional[int] = None, + signature: Optional[Union[bytes, str]] = None, + ) -> "GenericExtrinsic": + """ + Creates an extrinsic signed by given account details + + Args: + call: GenericCall to create extrinsic for + keypair: Keypair used to sign the extrinsic + era: Specify mortality in blocks in follow format: + {'period': [amount_blocks]} If omitted the extrinsic is immortal + nonce: nonce to include in extrinsics, if omitted the current nonce is retrieved on-chain + tip: The tip for the block author to gain priority during network congestion + tip_asset_id: Optional asset ID with which to pay the tip + signature: Optionally provide signature if externally signed + + Returns: + The signed Extrinsic + """ + await self.init_runtime() + + # Check requirements + if not isinstance(call, GenericCall): + raise TypeError("'call' must be of type Call") + + # Check if extrinsic version is supported + if self.__metadata[1][1]["extrinsic"]["version"] != 4: # type: ignore + raise NotImplementedError( + f"Extrinsic version {self.__metadata[1][1]['extrinsic']['version']} not supported" # type: ignore + ) + + # Retrieve nonce + if nonce is None: + nonce = await self.get_account_nonce(keypair.ss58_address) or 0 + + # Process era + if era is None: + era = "00" + else: + if isinstance(era, dict) and "current" not in era and "phase" not in era: + # Retrieve current block id + era["current"] = await self.get_block_number( + await self.get_chain_finalised_head() + ) + + if signature is not None: + if isinstance(signature, str) and signature[0:2] == "0x": + signature = bytes.fromhex(signature[2:]) + + # Check if signature is a MultiSignature and contains signature version + if len(signature) == 65: + signature_version = signature[0] + signature = signature[1:] + else: + signature_version = keypair.crypto_type + + else: + # Create signature payload + signature_payload = await self.generate_signature_payload( + call=call, era=era, nonce=nonce, tip=tip, tip_asset_id=tip_asset_id + ) + + # Set Signature version to crypto type of keypair + signature_version = keypair.crypto_type + + # Sign payload + signature = keypair.sign(signature_payload) + + # Create extrinsic + extrinsic = self.runtime_config.create_scale_object( + type_string="Extrinsic", metadata=self.__metadata + ) + + value = { + "account_id": f"0x{keypair.public_key.hex()}", + "signature": f"0x{signature.hex()}", + "call_function": call.value["call_function"], + "call_module": call.value["call_module"], + "call_args": call.value["call_args"], + "nonce": nonce, + "era": era, + "tip": tip, + "asset_id": {"tip": tip, "asset_id": tip_asset_id}, + "mode": "Disabled", + } + + # Check if ExtrinsicSignature is MultiSignature, otherwise omit signature_version + signature_cls = self.runtime_config.get_decoder_class("ExtrinsicSignature") + if issubclass(signature_cls, self.runtime_config.get_decoder_class("Enum")): + value["signature_version"] = signature_version + + extrinsic.encode(value) + + return extrinsic + + async def get_chain_finalised_head(self): + """ + A pass-though to existing JSONRPC method `chain_getFinalizedHead` + + Returns + ------- + + """ + response = await self.rpc_request("chain_getFinalizedHead", []) + + if response is not None: + if "error" in response: + raise SubstrateRequestException(response["error"]["message"]) + + return response.get("result") + + async def runtime_call( + self, + api: str, + method: str, + params: Optional[Union[list, dict]] = None, + block_hash: Optional[str] = None, + ) -> ScaleType: + """ + Calls a runtime API method + + Args: + api: Name of the runtime API e.g. 'TransactionPaymentApi' + method: Name of the method e.g. 'query_fee_details' + params: List of parameters needed to call the runtime API + block_hash: Hash of the block at which to make the runtime API call + + Returns: + ScaleType from the runtime call + """ + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + if params is None: + params = {} + + try: + runtime_call_def = self.runtime_config.type_registry["runtime_api"][api][ + "methods" + ][method] + runtime_api_types = self.runtime_config.type_registry["runtime_api"][ + api + ].get("types", {}) + except KeyError: + raise ValueError(f"Runtime API Call '{api}.{method}' not found in registry") + + if isinstance(params, list) and len(params) != len(runtime_call_def["params"]): + raise ValueError( + f"Number of parameter provided ({len(params)}) does not " + f"match definition {len(runtime_call_def['params'])}" + ) + + # Add runtime API types to registry + self.runtime_config.update_type_registry_types(runtime_api_types) + runtime = Runtime( + self.chain, + self.runtime_config, + self.__metadata, + self.type_registry, + ) + + # Encode params + param_data = ScaleBytes(bytes()) + for idx, param in enumerate(runtime_call_def["params"]): + scale_obj = runtime.runtime_config.create_scale_object(param["type"]) + if isinstance(params, list): + param_data += scale_obj.encode(params[idx]) + else: + if param["name"] not in params: + raise ValueError(f"Runtime Call param '{param['name']}' is missing") + + param_data += scale_obj.encode(params[param["name"]]) + + # RPC request + result_data = await self.rpc_request( + "state_call", [f"{api}_{method}", str(param_data), block_hash] + ) + + # Decode result + # TODO update this to use bt-decode + result_obj = runtime.runtime_config.create_scale_object( + runtime_call_def["type"] + ) + result_obj.decode( + ScaleBytes(result_data["result"]), + check_remaining=self.config.get("strict_scale_decode"), + ) + + return result_obj + + async def get_account_nonce(self, account_address: str) -> int: + """ + Returns current nonce for given account address + + Args: + account_address: SS58 formatted address + + Returns: + Nonce for given account address + """ + if await self.supports_rpc_method("state_call"): + nonce_obj = await self.runtime_call( + "AccountNonceApi", "account_nonce", [account_address] + ) + return getattr(nonce_obj, "value", nonce_obj) + else: + response = await self.query( + module="System", storage_function="Account", params=[account_address] + ) + return response["nonce"] + + async def get_account_next_index(self, account_address: str) -> int: + """ + Returns next index for the given account address, taking into account the transaction pool. + + Args: + account_address: SS58 formatted address + + Returns: + Next index for the given account address + """ + if not await self.supports_rpc_method("account_nextIndex"): + # Unlikely to happen, this is a common RPC method + raise Exception("account_nextIndex not supported") + + nonce_obj = await self.rpc_request("account_nextIndex", [account_address]) + return nonce_obj["result"] + + async def get_metadata_constant(self, module_name, constant_name, block_hash=None): + """ + Retrieves the details of a constant for given module name, call function name and block_hash + (or chaintip if block_hash is omitted) + + Args: + module_name: name of the module you are querying + constant_name: name of the constant you are querying + block_hash: hash of the block at which to make the runtime API call + + Returns: + MetadataModuleConstants + """ + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + for module in self.__metadata.pallets: + if module_name == module.name and module.constants: + for constant in module.constants: + if constant_name == constant.value["name"]: + return constant + + async def get_constant( + self, + module_name: str, + constant_name: str, + block_hash: Optional[str] = None, + reuse_block_hash: bool = False, + ) -> Optional["ScaleType"]: + """ + Returns the decoded `ScaleType` object of the constant for given module name, call function name and block_hash + (or chaintip if block_hash is omitted) + + Args: + module_name: Name of the module to query + constant_name: Name of the constant to query + block_hash: Hash of the block at which to make the runtime API call + reuse_block_hash: Reuse last-used block hash if set to true + + Returns: + ScaleType from the runtime call + """ + block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) + constant = await self.get_metadata_constant( + module_name, constant_name, block_hash=block_hash + ) + if constant: + # Decode to ScaleType + return await self.decode_scale( + constant.type, bytes(constant.constant_value), return_scale_obj=True + ) + else: + return None + + async def get_payment_info( + self, call: GenericCall, keypair: Keypair + ) -> dict[str, Any]: + """ + Retrieves fee estimation via RPC for given extrinsic + + Args: + call: Call object to estimate fees for + keypair: Keypair of the sender, does not have to include private key because no valid signature is + required + + Returns: + Dict with payment info + E.g. `{'class': 'normal', 'partialFee': 151000000, 'weight': {'ref_time': 143322000}}` + + """ + + # Check requirements + if not isinstance(call, GenericCall): + raise TypeError("'call' must be of type Call") + + if not isinstance(keypair, Keypair): + raise TypeError("'keypair' must be of type Keypair") + + # No valid signature is required for fee estimation + signature = "0x" + "00" * 64 + + # Create extrinsic + extrinsic = await self.create_signed_extrinsic( + call=call, keypair=keypair, signature=signature + ) + extrinsic_len = self.runtime_config.create_scale_object("u32") + extrinsic_len.encode(len(extrinsic.data)) + + result = await self.runtime_call( + "TransactionPaymentApi", "query_info", [extrinsic, extrinsic_len] + ) + + return result.value + + async def get_type_registry( + self, block_hash: str = None, max_recursion: int = 4 + ) -> dict: + """ + Generates an exhaustive list of which RUST types exist in the runtime specified at given block_hash (or + chaintip if block_hash is omitted) + + MetadataV14 or higher is required. + + Args: + block_hash: Chaintip will be used if block_hash is omitted + max_recursion: Increasing recursion will provide more detail but also has impact on performance + + Returns: + dict mapping the type strings to the type decompositions + """ + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + if not self.implements_scaleinfo: + raise NotImplementedError("MetadataV14 or higher runtimes is required") + + type_registry = {} + + for scale_info_type in self.metadata.portable_registry["types"]: + if ( + "path" in scale_info_type.value["type"] + and len(scale_info_type.value["type"]["path"]) > 0 + ): + type_string = "::".join(scale_info_type.value["type"]["path"]) + else: + type_string = f"scale_info::{scale_info_type.value['id']}" + + scale_cls = self.runtime_config.get_decoder_class(type_string) + type_registry[type_string] = scale_cls.generate_type_decomposition( + max_recursion=max_recursion + ) + + return type_registry + + async def get_type_definition( + self, type_string: str, block_hash: str = None + ) -> str: + """ + Retrieves SCALE encoding specifications of given type_string + + Args: + type_string: RUST variable type, e.g. Vec
or scale_info::0 + block_hash: hash of the blockchain block + + Returns: + type decomposition + """ + scale_obj = await self.create_scale_object(type_string, block_hash=block_hash) + return scale_obj.generate_type_decomposition() + + async def get_metadata_modules(self, block_hash=None) -> list[dict[str, Any]]: + """ + Retrieves a list of modules in metadata for given block_hash (or chaintip if block_hash is omitted) + + Args: + block_hash: hash of the blockchain block + + Returns: + List of metadata modules + """ + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + return [ + { + "metadata_index": idx, + "module_id": module.get_identifier(), + "name": module.name, + "spec_version": self.runtime_version, + "count_call_functions": len(module.calls or []), + "count_storage_functions": len(module.storage or []), + "count_events": len(module.events or []), + "count_constants": len(module.constants or []), + "count_errors": len(module.errors or []), + } + for idx, module in enumerate(self.metadata.pallets) + ] + + async def get_metadata_module(self, name, block_hash=None) -> ScaleType: + """ + Retrieves modules in metadata by name for given block_hash (or chaintip if block_hash is omitted) + + Args: + name: Name of the module + block_hash: hash of the blockchain block + + Returns: + MetadataModule + """ + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + return self.metadata.get_metadata_pallet(name) + + async def query( + self, + module: str, + storage_function: str, + params: Optional[list] = None, + block_hash: Optional[str] = None, + raw_storage_key: Optional[bytes] = None, + subscription_handler=None, + reuse_block_hash: bool = False, + ) -> Optional[Union["ScaleObj", Any]]: + """ + Queries substrate. This should only be used when making a single request. For multiple requests, + you should use `self.query_multiple` + """ + block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) + if block_hash: + self.last_block_hash = block_hash + if not self.__metadata or block_hash: + runtime = await self.init_runtime(block_hash=block_hash) + else: + runtime = self.runtime + preprocessed: Preprocessed = await self._preprocess( + params, block_hash, storage_function, module, raw_storage_key + ) + payload = [ + self.make_payload( + preprocessed.queryable, preprocessed.method, preprocessed.params + ) + ] + value_scale_type = preprocessed.value_scale_type + storage_item = preprocessed.storage_item + + responses = await self._make_rpc_request( + payload, + value_scale_type, + storage_item, + runtime, + result_handler=subscription_handler, + ) + result = responses[preprocessed.queryable][0] + if isinstance(result, (list, tuple, int, float)): + return ScaleObj(result) + return result + + async def query_map( + self, + module: str, + storage_function: str, + params: Optional[list] = None, + block_hash: Optional[str] = None, + max_results: Optional[int] = None, + start_key: Optional[str] = None, + page_size: int = 100, + ignore_decoding_errors: bool = False, + reuse_block_hash: bool = False, + ) -> QueryMapResult: + """ + Iterates over all key-pairs located at the given module and storage_function. The storage + item must be a map. + + Example: + + ``` + result = await substrate.query_map('System', 'Account', max_results=100) + + async for account, account_info in result: + print(f"Free balance of account '{account.value}': {account_info.value['data']['free']}") + ``` + + Note: it is important that you do not use `for x in result.records`, as this will sidestep possible + pagination. You must do `async for x in result`. + + Args: + module: The module name in the metadata, e.g. System or Balances. + storage_function: The storage function name, e.g. Account or Locks. + params: The input parameters in case of for example a `DoubleMap` storage function + block_hash: Optional block hash for result at given block, when left to None the chain tip will be used. + max_results: the maximum of results required, if set the query will stop fetching results when number is + reached + start_key: The storage key used as offset for the results, for pagination purposes + page_size: The results are fetched from the node RPC in chunks of this size + ignore_decoding_errors: When set this will catch all decoding errors, set the item to None and continue + decoding + reuse_block_hash: use True if you wish to make the query using the last-used block hash. Do not mark True + if supplying a block_hash + + Returns: + QueryMapResult object + """ + hex_to_bytes_ = hex_to_bytes + params = params or [] + block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) + if block_hash: + self.last_block_hash = block_hash + if not self.__metadata or block_hash: + await self.init_runtime(block_hash=block_hash) + + metadata_pallet = self.__metadata.get_metadata_pallet(module) + if not metadata_pallet: + raise ValueError(f'Pallet "{module}" not found') + storage_item = metadata_pallet.get_storage_function(storage_function) + + if not metadata_pallet or not storage_item: + raise ValueError( + f'Storage function "{module}.{storage_function}" not found' + ) + + value_type = storage_item.get_value_type_string() + param_types = storage_item.get_params_type_string() + key_hashers = storage_item.get_param_hashers() + + # Check MapType conditions + if len(param_types) == 0: + raise ValueError("Given storage function is not a map") + if len(params) > len(param_types) - 1: + raise ValueError( + f"Storage function map can accept max {len(param_types) - 1} parameters, {len(params)} given" + ) + + # Generate storage key prefix + storage_key = StorageKey.create_from_storage_function( + module, + storage_item.value["name"], + params, + runtime_config=self.runtime_config, + metadata=self.__metadata, + ) + prefix = storage_key.to_hex() + + if not start_key: + start_key = prefix + + # Make sure if the max result is smaller than the page size, adjust the page size + if max_results is not None and max_results < page_size: + page_size = max_results + + # Retrieve storage keys + response = await self.rpc_request( + method="state_getKeysPaged", + params=[prefix, page_size, start_key, block_hash], + ) + + if "error" in response: + raise SubstrateRequestException(response["error"]["message"]) + + result_keys = response.get("result") + + result = [] + last_key = None + + def concat_hash_len(key_hasher: str) -> int: + """ + Helper function to avoid if statements + """ + if key_hasher == "Blake2_128Concat": + return 16 + elif key_hasher == "Twox64Concat": + return 8 + elif key_hasher == "Identity": + return 0 + else: + raise ValueError("Unsupported hash type") + + if len(result_keys) > 0: + last_key = result_keys[-1] + + # Retrieve corresponding value + response = await self.rpc_request( + method="state_queryStorageAt", params=[result_keys, block_hash] + ) + + if "error" in response: + raise SubstrateRequestException(response["error"]["message"]) + + for result_group in response["result"]: + for item in result_group["changes"]: + try: + # Determine type string + key_type_string = [] + for n in range(len(params), len(param_types)): + key_type_string.append( + f"[u8; {concat_hash_len(key_hashers[n])}]" + ) + key_type_string.append(param_types[n]) + + item_key_obj = await self.decode_scale( + type_string=f"({', '.join(key_type_string)})", + scale_bytes=bytes.fromhex(item[0][len(prefix) :]), + return_scale_obj=True, + ) + + # strip key_hashers to use as item key + if len(param_types) - len(params) == 1: + item_key = item_key_obj[1] + else: + item_key = tuple( + item_key_obj[key + 1] + for key in range(len(params), len(param_types) + 1, 2) + ) + + except Exception as _: + if not ignore_decoding_errors: + raise + item_key = None + + try: + item_bytes = hex_to_bytes_(item[1]) + + item_value = await self.decode_scale( + type_string=value_type, + scale_bytes=item_bytes, + return_scale_obj=True, + ) + except Exception as _: + if not ignore_decoding_errors: + raise + item_value = None + result.append([item_key, item_value]) + return self.query_map_result_cls( + records=result, + page_size=page_size, + module=module, + storage_function=storage_function, + params=params, + block_hash=block_hash, + substrate=self, + last_key=last_key, + max_results=max_results, + ignore_decoding_errors=ignore_decoding_errors, + ) + + async def submit_extrinsic( + self, + extrinsic: GenericExtrinsic, + wait_for_inclusion: bool = False, + wait_for_finalization: bool = False, + ) -> Union["AsyncExtrinsicReceipt", "ExtrinsicReceipt"]: + """ + Submit an extrinsic to the connected node, with the possibility to wait until the extrinsic is included + in a block and/or the block is finalized. The receipt returned provided information about the block and + triggered events + + Args: + extrinsic: Extrinsic The extrinsic to be sent to the network + wait_for_inclusion: wait until extrinsic is included in a block (only works for websocket connections) + wait_for_finalization: wait until extrinsic is finalized (only works for websocket connections) + + Returns: + ExtrinsicReceipt object of your submitted extrinsic + """ + + # Check requirements + if not isinstance(extrinsic, GenericExtrinsic): + raise TypeError("'extrinsic' must be of type Extrinsics") + + async def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: + """ + Result handler function passed as an arg to _make_rpc_request as the result_handler + to handle the results of the extrinsic rpc call, which are multipart, and require + subscribing to the message + + Args: + message: message received from the rpc call + subscription_id: subscription id received from the initial rpc call for the subscription + + Returns: + tuple containing the dict of the block info for the subscription, and bool for whether + the subscription is completed. + """ + # Check if extrinsic is included and finalized + if "params" in message and isinstance(message["params"]["result"], dict): + # Convert result enum to lower for backwards compatibility + message_result = { + k.lower(): v for k, v in message["params"]["result"].items() + } + + if "finalized" in message_result and wait_for_finalization: + # Created as a task because we don't actually care about the result + self._forgettable_task = asyncio.create_task( + self.rpc_request("author_unwatchExtrinsic", [subscription_id]) + ) + return { + "block_hash": message_result["finalized"], + "extrinsic_hash": "0x{}".format(extrinsic.extrinsic_hash.hex()), + "finalized": True, + }, True + elif ( + "inblock" in message_result + and wait_for_inclusion + and not wait_for_finalization + ): + # Created as a task because we don't actually care about the result + self._forgettable_task = asyncio.create_task( + self.rpc_request("author_unwatchExtrinsic", [subscription_id]) + ) + return { + "block_hash": message_result["inblock"], + "extrinsic_hash": "0x{}".format(extrinsic.extrinsic_hash.hex()), + "finalized": False, + }, True + return message, False + + if wait_for_inclusion or wait_for_finalization: + responses = ( + await self._make_rpc_request( + [ + self.make_payload( + "rpc_request", + "author_submitAndWatchExtrinsic", + [str(extrinsic.data)], + ) + ], + result_handler=result_handler, + ) + )["rpc_request"] + response = next( + (r for r in responses if "block_hash" in r and "extrinsic_hash" in r), + None, + ) + + if not response: + raise SubstrateRequestException(responses) + + # Also, this will be a multipart response, so maybe should change to everything after the first response? + # The following code implies this will be a single response after the initial subscription id. + result = self.extrinsic_receipt_cls( + substrate=self, + extrinsic_hash=response["extrinsic_hash"], + block_hash=response["block_hash"], + finalized=response["finalized"], + ) + + else: + response = await self.rpc_request( + "author_submitExtrinsic", [str(extrinsic.data)] + ) + + if "result" not in response: + raise SubstrateRequestException(response.get("error")) + + result = self.extrinsic_receipt_cls( + substrate=self, extrinsic_hash=response["result"] + ) + + return result + + async def get_metadata_call_function( + self, + module_name: str, + call_function_name: str, + block_hash: Optional[str] = None, + ) -> Optional[list]: + """ + Retrieves a list of all call functions in metadata active for given block_hash (or chaintip if block_hash + is omitted) + + Args: + module_name: name of the module + call_function_name: name of the call function + block_hash: optional block hash + + Returns: + list of call functions + """ + if not self.__metadata or block_hash: + runtime = await self.init_runtime(block_hash=block_hash) + else: + runtime = self.runtime + + for pallet in runtime.metadata.pallets: + if pallet.name == module_name and pallet.calls: + for call in pallet.calls: + if call.name == call_function_name: + return call + return None + + async def get_block_number(self, block_hash: Optional[str] = None) -> int: + """Async version of `substrateinterface.base.get_block_number` method.""" + response = await self.rpc_request("chain_getHeader", [block_hash]) + + if "error" in response: + raise SubstrateRequestException(response["error"]["message"]) + + elif "result" in response: + if response["result"]: + return int(response["result"]["number"], 16) + + async def close(self): + """ + Closes the substrate connection, and the websocket connection. + """ + try: + await self.ws.shutdown() + except AttributeError: + pass + + async def wait_for_block( + self, + block: int, + result_handler: Callable[[dict], Awaitable[Any]], + task_return: bool = True, + ) -> Union[asyncio.Task, Union[bool, Any]]: + """ + Executes the result_handler when the chain has reached the block specified. + + Args: + block: block number + result_handler: coroutine executed upon reaching the block number. This can be basically anything, but + must accept one single arg, a dict with the block data; whether you use this data or not is entirely + up to you. + task_return: True to immediately return the result of wait_for_block as an asyncio Task, False to wait + for the block to be reached, and return the result of the result handler. + + Returns: + Either an asyncio.Task (which contains the running subscription, and whose `result()` will contain the + return of the result_handler), or the result itself, depending on `task_return` flag. + Note that if your result_handler returns `None`, this method will return `True`, otherwise + the return will be the result of your result_handler. + """ + + async def _handler(block_data: dict[str, Any]): + required_number = block + number = block_data["header"]["number"] + if number >= required_number: + return ( + r if (r := await result_handler(block_data)) is not None else True + ) + + args = inspect.getfullargspec(result_handler).args + if len(args) != 1: + raise ValueError( + "result_handler must take exactly one arg: the dict block data." + ) + + co = self._get_block_handler( + self.last_block_hash, subscription_handler=_handler + ) + if task_return is True: + return asyncio.create_task(co) + else: + return await co + + +class SyncWebsocket: + def __init__(self, websocket: "Websocket", event_loop_manager: EventLoopManager): + self._ws = websocket + self._event_loop_mgr = event_loop_manager + + def close(self): + self._event_loop_mgr.run(self._ws.shutdown()) + + +class SubstrateInterface(SubstrateMixin): + def __init__( + self, + url: str, + use_remote_preset: bool = False, + auto_discover: bool = True, + ss58_format: Optional[int] = None, + type_registry: Optional[dict] = None, + chain_name: str = "", + max_retries: int = 5, + retry_timeout: float = 60.0, + _mock: bool = False, + ): + """ + The sync compatible version of the subtensor interface commands we use in bittensor. Use this instance only + if you are not running within an event loop, otherwise use AsyncSubstrateInterface + + Args: + url: the URI of the chain to connect to + use_remote_preset: whether to pull the preset from GitHub + auto_discover: whether to automatically pull the presets based on the chain name and type registry + ss58_format: the specific SS58 format to use + type_registry: a dict of custom types + chain_name: the name of the chain (the result of the rpc request for "system_chain") + max_retries: number of times to retry RPC requests before giving up + retry_timeout: how to long wait since the last ping to retry the RPC request + _mock: whether to use mock version of the subtensor interface + + """ + self.max_retries = max_retries + self.retry_timeout = retry_timeout + self.chain_endpoint = url + self.url = url + self.__chain = chain_name + self.ws = Websocket( + url, + options={ + "max_size": 2**32, + "write_limit": 2**16, + }, + ) + self.config = { + "use_remote_preset": use_remote_preset, + "auto_discover": auto_discover, + "rpc_methods": None, + "strict_scale_decode": True, + } + self.initialized = False + self._forgettable_task = None + self.ss58_format = ss58_format + self.type_registry = type_registry + self.runtime_cache = RuntimeCache() + self.runtime_config = RuntimeConfigurationObject( + ss58_format=self.ss58_format, implements_scale_info=True + ) + self.__metadata_cache = {} + self.metadata_version_hex = "0x0f000000" # v15 + self.reload_type_registry() + + def __enter__(self): + self.initialize() + return self + + def initialize(self): + """ + Initialize the connection to the chain. + """ + if not self.initialized: + if not self.__chain: + chain = self.rpc_request("system_chain", []) + self.__chain = chain.get("result") + self.load_registry() + self._init_init_runtime() + self.initialized = True + + def __exit__(self, exc_type, exc_val, exc_tb): + pass + + @property + def properties(self): + if self.__properties is None: + self.__properties = self.rpc_request("system_properties", []).get("result") + return self.__properties + + @property + def version(self): + if self.__version is None: + self.__version = self.rpc_request("system_version", []).get("result") + return self.__version + + @property + def token_decimals(self): + if self.__token_decimals is None: + self.__token_decimals = self.properties.get("tokenDecimals") + return self.__token_decimals + + @property + def token_symbol(self): + if self.__token_symbol is None: + if self.properties: + self.__token_symbol = self.properties.get("tokenSymbol") + else: + self.__token_symbol = "UNIT" + return self.__token_symbol + + @property + def name(self): + if self.__name is None: + self.__name = self.rpc_request("system_name", []).get("result") + return self.__name + + def get_storage_item(self, module: str, storage_function: str): + if not self.__metadata: + self.init_runtime() + metadata_pallet = self.__metadata.get_metadata_pallet(module) + storage_item = metadata_pallet.get_storage_function(storage_function) + return storage_item + + def _get_current_block_hash( + self, block_hash: Optional[str], reuse: bool + ) -> Optional[str]: + if block_hash: + self.last_block_hash = block_hash + return block_hash + elif reuse: + if self.last_block_hash: + return self.last_block_hash + return block_hash + + def load_registry(self): + # This needs to happen before init_runtime + metadata_rpc_result = self.rpc_request( + "state_call", + ["Metadata_metadata_at_version", self.metadata_version_hex], + ) + metadata_option_hex_str = metadata_rpc_result["result"] + metadata_option_bytes = bytes.fromhex(metadata_option_hex_str[2:]) + metadata_v15 = MetadataV15.decode_from_metadata_option(metadata_option_bytes) + self.registry = PortableRegistry.from_metadata_v15(metadata_v15) + + def decode_scale( + self, + type_string: str, + scale_bytes: bytes, + return_scale_obj=False, + ) -> Any: + """ + Helper function to decode arbitrary SCALE-bytes (e.g. 0x02000000) according to given RUST type_string + (e.g. BlockNumber). The relevant versioning information of the type (if defined) will be applied if block_hash + is set + + Args: + type_string: the type string of the SCALE object for decoding + scale_bytes: the bytes representation of the SCALE object to decode + return_scale_obj: Whether to return the decoded value wrapped in a SCALE-object-like wrapper, or raw. + + Returns: + Decoded object + """ + + if scale_bytes == b"\x00": + obj = None + else: + obj = decode_by_type_string(type_string, self.registry, scale_bytes) + if return_scale_obj: + return ScaleObj(obj) + else: + return obj + + def encode_scale(self, type_string, value, block_hash=None) -> ScaleBytes: + """ + Helper function to encode arbitrary data into SCALE-bytes for given RUST type_string + + Args: + type_string: the type string of the SCALE object for decoding + value: value to encode + block_hash: the hash of the blockchain block whose metadata to use for encoding + + Returns: + ScaleBytes encoded value + """ + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + obj = self.runtime_config.create_scale_object( + type_string=type_string, metadata=self.__metadata + ) + return obj.encode(value) + + def _init_init_runtime(self): + """ + TODO rename/docstring + """ + runtime_info = self.get_block_runtime_version(None) + metadata = self.get_block_metadata() + self.__metadata = metadata + self.__metadata_cache[self.runtime_version] = self.__metadata + self.runtime_version = runtime_info.get("specVersion") + self.runtime_config.set_active_spec_version_id(self.runtime_version) + self.transaction_version = runtime_info.get("transactionVersion") + if self.implements_scaleinfo: self.runtime_config.add_portable_registry(metadata) # Set runtime compatibility flags try: @@ -1537,7 +4216,7 @@ async def _init_init_runtime(self): self.config["is_weight_v2"] = False self.runtime_config.update_type_registry_types({"Weight": "WeightV1"}) - async def init_runtime( + def init_runtime( self, block_hash: Optional[str] = None, block_id: Optional[int] = None ) -> Runtime: """ @@ -1556,7 +4235,7 @@ async def init_runtime( Runtime object """ - async def get_runtime(block_hash, block_id) -> Runtime: + def get_runtime(block_hash, block_id) -> Runtime: # Check if runtime state already set to current block if ( (block_hash and block_hash == self.last_block_hash) @@ -1570,19 +4249,17 @@ async def get_runtime(block_hash, block_id) -> Runtime: ) if block_id is not None: - block_hash = await self.get_block_hash(block_id) + block_hash = self.get_block_hash(block_id) if not block_hash: - block_hash = await self.get_chain_head() + block_hash = self.get_chain_head() self.last_block_hash = block_hash self.block_id = block_id # In fact calls and storage functions are decoded against runtime of previous block, therefore retrieve # metadata and apply type registry of runtime of parent block - block_header = await self.rpc_request( - "chain_getHeader", [self.last_block_hash] - ) + block_header = self.rpc_request("chain_getHeader", [self.last_block_hash]) if block_header["result"] is None: raise SubstrateRequestException( @@ -1598,9 +4275,7 @@ async def get_runtime(block_hash, block_id) -> Runtime: else: runtime_block_hash = parent_block_hash - runtime_info = await self.get_block_runtime_version( - block_hash=runtime_block_hash - ) + runtime_info = self.get_block_runtime_version(block_hash=runtime_block_hash) if runtime_info is None: raise SubstrateRequestException( @@ -1633,7 +4308,7 @@ async def get_runtime(block_hash, block_id) -> Runtime: self.runtime_version ] else: - metadata = self.__metadata = await self.get_block_metadata( + metadata = self.__metadata = self.get_block_metadata( block_hash=runtime_block_hash, decode=True ) logging.debug( @@ -1657,7 +4332,7 @@ async def get_runtime(block_hash, block_id) -> Runtime: self.runtime_config.set_active_spec_version_id(self.runtime_version) # Check and apply runtime constants - ss58_prefix_constant = await self.get_constant( + ss58_prefix_constant = self.get_constant( "System", "SS58Prefix", block_hash=block_hash ) @@ -1690,82 +4365,11 @@ async def get_runtime(block_hash, block_id) -> Runtime: not (runtime := self.runtime_cache.retrieve(block_id, block_hash)) or runtime.metadata is None ): - runtime = await get_runtime(block_hash, block_id) + runtime = get_runtime(block_hash, block_id) self.runtime_cache.add_item(block_id, block_hash, runtime) return runtime - def reload_type_registry( - self, use_remote_preset: bool = True, auto_discover: bool = True - ): - """ - Reload type registry and preset used to instantiate the `AsyncSubstrateInterface` object. Useful to - periodically apply changes in type definitions when a runtime upgrade occurred - - Args: - use_remote_preset: When True preset is downloaded from Github master, - otherwise use files from local installed scalecodec package - auto_discover: Whether to automatically discover the type_registry - presets based on the chain name and typer registry - """ - self.runtime_config.clear_type_registry() - - self.runtime_config.implements_scale_info = self.implements_scaleinfo - - # Load metadata types in runtime configuration - self.runtime_config.update_type_registry(load_type_registry_preset(name="core")) - self.apply_type_registry_presets( - use_remote_preset=use_remote_preset, auto_discover=auto_discover - ) - - def apply_type_registry_presets( - self, use_remote_preset: bool = True, auto_discover: bool = True - ): - if self.type_registry_preset is not None: - # Load type registry according to preset - type_registry_preset_dict = load_type_registry_preset( - name=self.type_registry_preset, use_remote_preset=use_remote_preset - ) - - if not type_registry_preset_dict: - raise ValueError( - f"Type registry preset '{self.type_registry_preset}' not found" - ) - - elif auto_discover: - # Try to auto discover type registry preset by chain name - type_registry_name = self.chain.lower().replace(" ", "-") - try: - type_registry_preset_dict = load_type_registry_preset( - type_registry_name - ) - logging.debug( - f"Auto set type_registry_preset to {type_registry_name} ..." - ) - self.type_registry_preset = type_registry_name - except ValueError: - type_registry_preset_dict = None - - else: - type_registry_preset_dict = None - - if type_registry_preset_dict: - # Load type registries in runtime configuration - if self.implements_scaleinfo is False: - # Only runtime with no embedded types in metadata need the default set of explicit defined types - self.runtime_config.update_type_registry( - load_type_registry_preset( - "legacy", use_remote_preset=use_remote_preset - ) - ) - - if self.type_registry_preset != "legacy": - self.runtime_config.update_type_registry(type_registry_preset_dict) - - if self.type_registry: - # Load type registries in runtime configuration - self.runtime_config.update_type_registry(self.type_registry) - - async def create_storage_key( + def create_storage_key( self, pallet: str, storage_function: str, @@ -1784,42 +4388,18 @@ async def create_storage_key( Returns: StorageKey """ - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - return StorageKey.create_from_storage_function( - pallet, - storage_function, - params, - runtime_config=self.runtime_config, - metadata=self.__metadata, - ) - - @staticmethod - def serialize_module_error(module, error, spec_version) -> dict[str, Optional[str]]: - """ - Helper function to serialize an error - - Args: - module - error - spec_version - - Returns: - dict - """ - return { - "error_name": error.name, - "documentation": "\n".join(error.docs), - "module_id": module.get_identifier(), - "module_prefix": module.value["storage"]["prefix"] - if module.value["storage"] - else None, - "module_name": module.name, - "spec_version": spec_version, - } + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) - async def get_metadata_storage_functions(self, block_hash=None) -> list: + return StorageKey.create_from_storage_function( + pallet, + storage_function, + params, + runtime_config=self.runtime_config, + metadata=self.__metadata, + ) + + def get_metadata_storage_functions(self, block_hash=None) -> list: """ Retrieves a list of all storage functions in metadata active at given block_hash (or chaintip if block_hash is omitted) @@ -1831,7 +4411,7 @@ async def get_metadata_storage_functions(self, block_hash=None) -> list: list of storage functions """ if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) + self.init_runtime(block_hash=block_hash) storage_list = [] @@ -1848,9 +4428,7 @@ async def get_metadata_storage_functions(self, block_hash=None) -> list: return storage_list - async def get_metadata_storage_function( - self, module_name, storage_name, block_hash=None - ): + def get_metadata_storage_function(self, module_name, storage_name, block_hash=None): """ Retrieves the details of a storage function for given module name, call function name and block_hash @@ -1863,16 +4441,14 @@ async def get_metadata_storage_function( Metadata storage function """ if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) + self.init_runtime(block_hash=block_hash) pallet = self.metadata.get_metadata_pallet(module_name) if pallet: return pallet.get_storage_function(storage_name) - async def get_metadata_errors( - self, block_hash=None - ) -> list[dict[str, Optional[str]]]: + def get_metadata_errors(self, block_hash=None) -> list[dict[str, Optional[str]]]: """ Retrieves a list of all errors in metadata active at given block_hash (or chaintip if block_hash is omitted) @@ -1883,7 +4459,7 @@ async def get_metadata_errors( list of errors in the metadata """ if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) + self.init_runtime(block_hash=block_hash) error_list = [] @@ -1900,7 +4476,7 @@ async def get_metadata_errors( return error_list - async def get_metadata_error(self, module_name, error_name, block_hash=None): + def get_metadata_error(self, module_name, error_name, block_hash=None): """ Retrieves the details of an error for given module name, call function name and block_hash @@ -1914,7 +4490,7 @@ async def get_metadata_error(self, module_name, error_name, block_hash=None): """ if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) + self.init_runtime(block_hash=block_hash) for module_idx, module in enumerate(self.__metadata.pallets): if module.name == module_name and module.errors: @@ -1922,7 +4498,7 @@ async def get_metadata_error(self, module_name, error_name, block_hash=None): if error_name == error.name: return error - async def get_metadata_runtime_call_functions( + def get_metadata_runtime_call_functions( self, ) -> list[GenericRuntimeCallDefinition]: """ @@ -1932,18 +4508,18 @@ async def get_metadata_runtime_call_functions( list of runtime call functions """ if not self.__metadata: - await self.init_runtime() + self.init_runtime() call_functions = [] for api, methods in self.runtime_config.type_registry["runtime_api"].items(): for method in methods["methods"].keys(): call_functions.append( - await self.get_metadata_runtime_call_function(api, method) + self.get_metadata_runtime_call_function(api, method) ) return call_functions - async def get_metadata_runtime_call_function( + def get_metadata_runtime_call_function( self, api: str, method: str ) -> GenericRuntimeCallDefinition: """ @@ -1957,7 +4533,7 @@ async def get_metadata_runtime_call_function( runtime call function """ if not self.__metadata: - await self.init_runtime() + self.init_runtime() try: runtime_call_def = self.runtime_config.type_registry["runtime_api"][api][ @@ -1974,12 +4550,12 @@ async def get_metadata_runtime_call_function( # Add runtime API types to registry self.runtime_config.update_type_registry_types(runtime_api_types) - runtime_call_def_obj = await self.create_scale_object("RuntimeCallDefinition") + runtime_call_def_obj = self.create_scale_object("RuntimeCallDefinition") runtime_call_def_obj.encode(runtime_call_def) return runtime_call_def_obj - async def _get_block_handler( + def _get_block_handler( self, block_hash: str, ignore_decoding_errors: bool = False, @@ -1989,11 +4565,11 @@ async def _get_block_handler( subscription_handler: Optional[Callable[[dict], Awaitable[Any]]] = None, ): try: - await self.init_runtime(block_hash=block_hash) + self.init_runtime(block_hash=block_hash) except BlockNotFound: return None - async def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: + def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: if block_data: if block_data_hash: block_data["header"]["hash"] = block_data_hash @@ -2047,7 +4623,7 @@ async def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: engine = bytes(log_digest[1][0]) # Retrieve validator set parent_hash = block_data["header"]["parentHash"] - validator_set = await self.query( + validator_set = self.query( "Session", "Validators", block_hash=parent_hash ) @@ -2101,7 +4677,7 @@ async def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: log_digest.value["PreRuntime"]["engine"] == "BABE" ): - validator_set = await self.query( + validator_set = self.query( "Session", "Validators", block_hash=block_hash, @@ -2130,21 +4706,18 @@ async def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: if callable(subscription_handler): rpc_method_prefix = "Finalized" if finalized_only else "New" - async def result_handler( - message: dict, subscription_id: str - ) -> tuple[Any, bool]: + def result_handler(message: dict, subscription_id: str) -> tuple[Any, bool]: reached = False subscription_result = None if "params" in message: - new_block = await decode_block( - {"header": message["params"]["result"]} - ) + new_block = decode_block({"header": message["params"]["result"]}) - subscription_result = await subscription_handler(new_block) + subscription_result = subscription_handler(new_block) if subscription_result is not None: reached = True # Handler returned end result: unsubscribe from further updates + # TODO this logic needs to change self._forgettable_task = asyncio.create_task( self.rpc_request( f"chain_unsubscribe{rpc_method_prefix}Heads", @@ -2154,7 +4727,7 @@ async def result_handler( return subscription_result, reached - result = await self._make_rpc_request( + result = self._make_rpc_request( [ self.make_payload( "_get_block_handler", @@ -2169,18 +4742,18 @@ async def result_handler( else: if header_only: - response = await self.rpc_request("chain_getHeader", [block_hash]) - return await decode_block( + response = self.rpc_request("chain_getHeader", [block_hash]) + return decode_block( {"header": response["result"]}, block_data_hash=block_hash ) else: - response = await self.rpc_request("chain_getBlock", [block_hash]) - return await decode_block( + response = self.rpc_request("chain_getBlock", [block_hash]) + return decode_block( response["result"]["block"], block_data_hash=block_hash ) - async def get_block( + def get_block( self, block_hash: Optional[str] = None, block_number: Optional[int] = None, @@ -2209,7 +4782,7 @@ async def get_block( raise ValueError("Either block_hash or block_number should be set") if block_number is not None: - block_hash = await self.get_block_hash(block_number) + block_hash = self.get_block_hash(block_number) if block_hash is None: return @@ -2222,18 +4795,18 @@ async def get_block( if block_hash is None: # Retrieve block hash if finalized_only: - block_hash = await self.get_chain_finalised_head() + block_hash = self.get_chain_finalised_head() else: - block_hash = await self.get_chain_head() + block_hash = self.get_chain_head() - return await self._get_block_handler( + return self._get_block_handler( block_hash=block_hash, ignore_decoding_errors=ignore_decoding_errors, header_only=False, include_author=include_author, ) - async def get_block_header( + def get_block_header( self, block_hash: Optional[str] = None, block_number: Optional[int] = None, @@ -2264,7 +4837,7 @@ async def get_block_header( raise ValueError("Either block_hash or block_number should be be set") if block_number is not None: - block_hash = await self.get_block_hash(block_number) + block_hash = self.get_block_hash(block_number) if block_hash is None: return @@ -2277,9 +4850,9 @@ async def get_block_header( if block_hash is None: # Retrieve block hash if finalized_only: - block_hash = await self.get_chain_finalised_head() + block_hash = self.get_chain_finalised_head() else: - block_hash = await self.get_chain_head() + block_hash = self.get_chain_head() else: # Check conflicting scenarios @@ -2288,14 +4861,14 @@ async def get_block_header( "finalized_only cannot be True when block_hash is provided" ) - return await self._get_block_handler( + return self._get_block_handler( block_hash=block_hash, ignore_decoding_errors=ignore_decoding_errors, header_only=True, include_author=include_author, ) - async def subscribe_block_headers( + def subscribe_block_headers( self, subscription_handler: callable, ignore_decoding_errors: bool = False, @@ -2318,7 +4891,7 @@ async def subscription_handler(obj, update_nr, subscription_id): return {'message': 'Subscription will cancel when a value is returned', 'updates_processed': update_nr} - result = await substrate.subscribe_block_headers(subscription_handler, include_author=True) + result = substrate.subscribe_block_headers(subscription_handler, include_author=True) ``` Args: @@ -2333,11 +4906,11 @@ async def subscription_handler(obj, update_nr, subscription_id): """ # Retrieve block hash if finalized_only: - block_hash = await self.get_chain_finalised_head() + block_hash = self.get_chain_finalised_head() else: - block_hash = await self.get_chain_head() + block_hash = self.get_chain_head() - return await self._get_block_handler( + return self._get_block_handler( block_hash, subscription_handler=subscription_handler, ignore_decoding_errors=ignore_decoding_errors, @@ -2345,9 +4918,9 @@ async def subscription_handler(obj, update_nr, subscription_id): finalized_only=finalized_only, ) - async def retrieve_extrinsic_by_identifier( + def retrieve_extrinsic_by_identifier( self, extrinsic_identifier: str - ) -> "ExtrinsicReceiptLike": + ) -> "ExtrinsicReceipt": """ Retrieve an extrinsic by its identifier in format "[block_number]-[extrinsic_index]" e.g. 333456-4 @@ -2357,13 +4930,13 @@ async def retrieve_extrinsic_by_identifier( Returns: ExtrinsicReceiptLike object of the extrinsic """ - return await self.extrinsic_receipt_cls.create_from_extrinsic_identifier( + return ExtrinsicReceipt.create_from_extrinsic_identifier( substrate=self, extrinsic_identifier=extrinsic_identifier ) def retrieve_extrinsic_by_hash( self, block_hash: str, extrinsic_hash: str - ) -> "ExtrinsicReceiptLike": + ) -> "ExtrinsicReceipt": """ Retrieve an extrinsic by providing the block_hash and the extrinsic hash @@ -2374,13 +4947,13 @@ def retrieve_extrinsic_by_hash( Returns: ExtrinsicReceiptLike of the extrinsic """ - return self.extrinsic_receipt_cls( + return ExtrinsicReceipt( substrate=self, block_hash=block_hash, extrinsic_hash=extrinsic_hash ) - async def get_extrinsics( + def get_extrinsics( self, block_hash: str = None, block_number: int = None - ) -> Optional[list["ExtrinsicReceiptLike"]]: + ) -> Optional[list["ExtrinsicReceipt"]]: """ Return all extrinsics for given block_hash or block_number @@ -2391,30 +4964,11 @@ async def get_extrinsics( Returns: ExtrinsicReceipts of the extrinsics for the block, if any. """ - block = await self.get_block(block_hash=block_hash, block_number=block_number) + block = self.get_block(block_hash=block_hash, block_number=block_number) if block: return block["extrinsics"] - def extension_call(self, name, **kwargs): - raise NotImplementedError( - "Extensions not implemented in AsyncSubstrateInterface" - ) - - def filter_extrinsics(self, **kwargs) -> list: - return self.extension_call("filter_extrinsics", **kwargs) - - def filter_events(self, **kwargs) -> list: - return self.extension_call("filter_events", **kwargs) - - def search_block_number(self, block_datetime: datetime, block_time: int = 6) -> int: - return self.extension_call( - "search_block_number", block_datetime=block_datetime, block_time=block_time - ) - - def get_block_timestamp(self, block_number: int) -> int: - return self.extension_call("get_block_timestamp", block_number=block_number) - - async def get_events(self, block_hash: Optional[str] = None) -> list: + def get_events(self, block_hash: Optional[str] = None) -> list: """ Convenience method to get events for a certain block (storage call for module 'System' and function 'Events') @@ -2464,9 +5018,9 @@ def convert_event_data(data): events = [] if not block_hash: - block_hash = await self.get_chain_head() + block_hash = self.get_chain_head() - storage_obj = await self.query( + storage_obj = self.query( module="System", storage_function="Events", block_hash=block_hash ) if storage_obj: @@ -2474,14 +5028,14 @@ def convert_event_data(data): events.append(convert_event_data(item)) return events - async def get_block_runtime_version(self, block_hash: str) -> dict: + def get_block_runtime_version(self, block_hash: str) -> dict: """ Retrieve the runtime version id of given block_hash """ - response = await self.rpc_request("state_getRuntimeVersion", [block_hash]) + response = self.rpc_request("state_getRuntimeVersion", [block_hash]) return response.get("result") - async def get_block_metadata( + def get_block_metadata( self, block_hash: Optional[str] = None, decode: bool = True ) -> Optional[Union[dict, ScaleType]]: """ @@ -2503,7 +5057,7 @@ async def get_block_metadata( if block_hash: params = [block_hash] - response = await self.rpc_request("state_getMetadata", params) + response = self.rpc_request("state_getMetadata", params) if "error" in response: raise SubstrateRequestException(response["error"]["message"]) @@ -2518,12 +5072,13 @@ async def get_block_metadata( else: return result - async def _preprocess( + def _preprocess( self, query_for: Optional[list], block_hash: Optional[str], storage_function: str, module: str, + raw_storage_key: Optional[bytes] = None, ) -> Preprocessed: """ Creates a Preprocessed data object for passing to `_make_rpc_request` @@ -2550,14 +5105,23 @@ async def _preprocess( raise ValueError( f"Storage function requires {len(param_types)} parameters, {len(params)} given" ) - - storage_key = StorageKey.create_from_storage_function( - module, - storage_item.value["name"], - params, - runtime_config=self.runtime_config, - metadata=self.__metadata, - ) + if raw_storage_key: + storage_key = StorageKey.create_from_data( + data=raw_storage_key, + pallet=module, + storage_function=storage_function, + value_scale_type=value_scale_type, + metadata=self.metadata, + runtime_config=self.runtime_config, + ) + else: + storage_key = StorageKey.create_from_storage_function( + module, + storage_item.value["name"], + params, + runtime_config=self.runtime_config, + metadata=self.__metadata, + ) method = "state_getStorageAt" return Preprocessed( str(query_for), @@ -2567,7 +5131,7 @@ async def _preprocess( storage_item, ) - async def _process_response( + def _process_response( self, response: dict, subscription_id: Union[int, str], @@ -2608,14 +5172,14 @@ async def _process_response( q = bytes(query_value) else: q = query_value - result = await self.decode_scale(value_scale_type, q) - if asyncio.iscoroutinefunction(result_handler): + result = self.decode_scale(value_scale_type, q) + if isinstance(result_handler, Callable): # For multipart responses as a result of subscriptions. - message, bool_result = await result_handler(result, subscription_id) + message, bool_result = result_handler(result, subscription_id) return message, bool_result return result, True - async def _make_rpc_request( + def _make_rpc_request( self, payloads: list[dict], value_scale_type: Optional[str] = None, @@ -2628,7 +5192,8 @@ async def _make_rpc_request( subscription_added = False - async with self.ws as ws: + # TODO add this logic + with self.ws as ws: if len(payloads) > 1: send_coroutines = await asyncio.gather( *[ws.send(item["payload"]) for item in payloads] @@ -2637,18 +5202,17 @@ async def _make_rpc_request( request_manager.add_request(item_id, item["id"]) else: item = payloads[0] - item_id = await ws.send(item["payload"]) + item_id = ws.send(item["payload"]) request_manager.add_request(item_id, item["id"]) while True: for item_id in list(request_manager.response_map.keys()): - if ( - item_id not in request_manager.responses - or asyncio.iscoroutinefunction(result_handler) + if item_id not in request_manager.responses or isinstance( + result_handler, Callable ): - if response := await ws.retrieve(item_id): + if response := ws.retrieve(item_id): if ( - asyncio.iscoroutinefunction(result_handler) + isinstance(result_handler, Callable) and not subscription_added ): # handles subscriptions, overwrites the previous mapping of {item_id : payload_id} @@ -2660,7 +5224,7 @@ async def _make_rpc_request( subscription_added = True except KeyError: raise SubstrateRequestException(str(response)) - decoded_response, complete = await self._process_response( + decoded_response, complete = self._process_response( response, item_id, value_scale_type, @@ -2682,12 +5246,12 @@ async def _make_rpc_request( raise SubstrateRequestException("Max retries reached.") else: self.ws.last_received = time.time() - await self.ws.connect(force=True) + self.ws.connect(force=True) logging.error( f"Timed out waiting for RPC requests. " f"Retrying attempt {attempt + 1} of {self.max_retries}" ) - return await self._make_rpc_request( + return self._make_rpc_request( payloads, value_scale_type, storage_item, @@ -2698,26 +5262,9 @@ async def _make_rpc_request( return request_manager.get_results() - @staticmethod - def make_payload(id_: str, method: str, params: list) -> dict: - """ - Creates a payload for making an rpc_request with _make_rpc_request - - Args: - id_: a unique name you would like to give to this request - method: the method in the RPC request - params: the params in the RPC request - - Returns: - the payload dict - """ - return { - "id": id_, - "payload": {"jsonrpc": "2.0", "method": method, "params": params}, - } - - @a.lru_cache(maxsize=512) # RPC methods are unlikely to change often - async def supports_rpc_method(self, name: str) -> bool: + # TODO change this logic + @lru_cache(maxsize=512) # RPC methods are unlikely to change often + def supports_rpc_method(self, name: str) -> bool: """ Check if substrate RPC supports given method Parameters @@ -2728,13 +5275,13 @@ async def supports_rpc_method(self, name: str) -> bool: ------- bool """ - result = (await self.rpc_request("rpc_methods", [])).get("result") + result = self.rpc_request("rpc_methods", []).get("result") if result: self.config["rpc_methods"] = result.get("methods", []) return name in self.config["rpc_methods"] - async def rpc_request( + def rpc_request( self, method: str, params: Optional[list], @@ -2756,7 +5303,7 @@ async def rpc_request( Returns: the response from the RPC request """ - block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) + block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) params = params or [] payload_id = f"{method}{random.randint(0, 7000)}" payloads = [ @@ -2772,7 +5319,7 @@ async def rpc_request( self.__metadata, self.type_registry, ) - result = await self._make_rpc_request(payloads, runtime=runtime) + result = self._make_rpc_request(payloads, runtime=runtime) if "error" in result[payload_id][0]: if ( "Failed to get runtime version" @@ -2781,21 +5328,19 @@ async def rpc_request( logging.warning( "Failed to get runtime. Re-fetching from chain, and retrying." ) - await self.init_runtime() - return await self.rpc_request( - method, params, block_hash, reuse_block_hash - ) + self.init_runtime() + return self.rpc_request(method, params, block_hash, reuse_block_hash) raise SubstrateRequestException(result[payload_id][0]["error"]["message"]) if "result" in result[payload_id][0]: return result[payload_id][0] else: raise SubstrateRequestException(result[payload_id][0]) - async def get_block_hash(self, block_id: int) -> str: - return (await self.rpc_request("chain_getBlockHash", [block_id]))["result"] + def get_block_hash(self, block_id: int) -> str: + return self.rpc_request("chain_getBlockHash", [block_id])["result"] - async def get_chain_head(self) -> str: - result = await self._make_rpc_request( + def get_chain_head(self) -> str: + result = self._make_rpc_request( [ self.make_payload( "rpc_request", @@ -2813,7 +5358,7 @@ async def get_chain_head(self) -> str: self.last_block_hash = result["rpc_request"][0]["result"] return result["rpc_request"][0]["result"] - async def compose_call( + def compose_call( self, call_module: str, call_function: str, @@ -2837,7 +5382,7 @@ async def compose_call( call_params = {} if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) + self.init_runtime(block_hash=block_hash) call = self.runtime_config.create_scale_object( type_string="Call", metadata=self.__metadata @@ -2853,7 +5398,7 @@ async def compose_call( return call - async def query_multiple( + def query_multiple( self, params: list, storage_function: str, @@ -2864,22 +5409,17 @@ async def query_multiple( """ Queries the subtensor. Only use this when making multiple queries, else use ``self.query`` """ - # By allowing for specifying the block hash, users, if they have multiple query types they want - # to do, can simply query the block hash first, and then pass multiple query_subtensor calls - # into an asyncio.gather, with the specified block hash - block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) + block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) if block_hash: self.last_block_hash = block_hash if not self.__metadata or block_hash: - runtime = await self.init_runtime(block_hash=block_hash) + runtime = self.init_runtime(block_hash=block_hash) else: runtime = self.runtime - preprocessed: tuple[Preprocessed] = await asyncio.gather( - *[ - self._preprocess([x], block_hash, storage_function, module) - for x in params - ] - ) + + preprocessed: tuple[Preprocessed] = [ + self._preprocess([x], block_hash, storage_function, module) for x in params + ] all_info = [ self.make_payload(item.queryable, item.method, item.params) for item in preprocessed @@ -2888,14 +5428,14 @@ async def query_multiple( value_scale_type = preprocessed[0].value_scale_type storage_item = preprocessed[0].storage_item - responses = await self._make_rpc_request( + responses = self._make_rpc_request( all_info, value_scale_type, storage_item, runtime ) return { param: responses[p.queryable][0] for (param, p) in zip(params, preprocessed) } - async def query_multi( + def query_multi( self, storage_keys: list[StorageKey], block_hash: Optional[str] = None ) -> list: """ @@ -2924,10 +5464,10 @@ async def query_multi( list of `(storage_key, scale_obj)` tuples """ if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) + self.init_runtime(block_hash=block_hash) # Retrieve corresponding value - response = await self.rpc_request( + response = self.rpc_request( "state_queryStorageAt", [[s.to_hex() for s in storage_keys], block_hash] ) @@ -2949,15 +5489,13 @@ async def query_multi( result.append( ( storage_key, - await self.decode_scale( - storage_key.value_scale_type, change_data - ), + self.decode_scale(storage_key.value_scale_type, change_data), ) ) return result - async def create_scale_object( + def create_scale_object( self, type_string: str, data: Optional[ScaleBytes] = None, @@ -2978,7 +5516,7 @@ async def create_scale_object( The created Scale Type object """ if not self.__metadata or block_hash: - runtime = await self.init_runtime(block_hash=block_hash) + runtime = self.init_runtime(block_hash=block_hash) else: runtime = self.runtime if "metadata" not in kwargs: @@ -2988,7 +5526,7 @@ async def create_scale_object( type_string, data=data, **kwargs ) - async def generate_signature_payload( + def generate_signature_payload( self, call: GenericCall, era=None, @@ -2998,7 +5536,7 @@ async def generate_signature_payload( include_call_length: bool = False, ) -> ScaleBytes: # Retrieve genesis hash - genesis_hash = await self.get_block_hash(0) + genesis_hash = self.get_block_hash(0) if not era: era = "00" @@ -3016,9 +5554,7 @@ async def generate_signature_payload( ) era_obj.encode(era) - block_hash = await self.get_block_hash( - block_id=era_obj.birth(era.get("current")) - ) + block_hash = self.get_block_hash(block_id=era_obj.birth(era.get("current"))) # Create signature payload signature_payload = self.runtime_config.create_scale_object( @@ -3138,7 +5674,7 @@ async def generate_signature_payload( return signature_payload.data - async def create_signed_extrinsic( + def create_signed_extrinsic( self, call: GenericCall, keypair: Keypair, @@ -3164,7 +5700,7 @@ async def create_signed_extrinsic( Returns: The signed Extrinsic """ - await self.init_runtime() + self.init_runtime() # Check requirements if not isinstance(call, GenericCall): @@ -3178,7 +5714,7 @@ async def create_signed_extrinsic( # Retrieve nonce if nonce is None: - nonce = await self.get_account_nonce(keypair.ss58_address) or 0 + nonce = self.get_account_nonce(keypair.ss58_address) or 0 # Process era if era is None: @@ -3186,9 +5722,7 @@ async def create_signed_extrinsic( else: if isinstance(era, dict) and "current" not in era and "phase" not in era: # Retrieve current block id - era["current"] = await self.get_block_number( - await self.get_chain_finalised_head() - ) + era["current"] = self.get_block_number(self.get_chain_finalised_head()) if signature is not None: if isinstance(signature, str) and signature[0:2] == "0x": @@ -3203,7 +5737,7 @@ async def create_signed_extrinsic( else: # Create signature payload - signature_payload = await self.generate_signature_payload( + signature_payload = self.generate_signature_payload( call=call, era=era, nonce=nonce, tip=tip, tip_asset_id=tip_asset_id ) @@ -3240,7 +5774,7 @@ async def create_signed_extrinsic( return extrinsic - async def get_chain_finalised_head(self): + def get_chain_finalised_head(self): """ A pass-though to existing JSONRPC method `chain_getFinalizedHead` @@ -3248,7 +5782,7 @@ async def get_chain_finalised_head(self): ------- """ - response = await self.rpc_request("chain_getFinalizedHead", []) + response = self.rpc_request("chain_getFinalizedHead", []) if response is not None: if "error" in response: @@ -3256,7 +5790,7 @@ async def get_chain_finalised_head(self): return response.get("result") - async def runtime_call( + def runtime_call( self, api: str, method: str, @@ -3276,7 +5810,7 @@ async def runtime_call( ScaleType from the runtime call """ if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) + self.init_runtime(block_hash=block_hash) if params is None: params = {} @@ -3319,7 +5853,7 @@ async def runtime_call( param_data += scale_obj.encode(params[param["name"]]) # RPC request - result_data = await self.rpc_request( + result_data = self.rpc_request( "state_call", [f"{api}_{method}", str(param_data), block_hash] ) @@ -3335,7 +5869,7 @@ async def runtime_call( return result_obj - async def get_account_nonce(self, account_address: str) -> int: + def get_account_nonce(self, account_address: str) -> int: """ Returns current nonce for given account address @@ -3345,18 +5879,18 @@ async def get_account_nonce(self, account_address: str) -> int: Returns: Nonce for given account address """ - if await self.supports_rpc_method("state_call"): - nonce_obj = await self.runtime_call( + if self.supports_rpc_method("state_call"): + nonce_obj = self.runtime_call( "AccountNonceApi", "account_nonce", [account_address] ) return getattr(nonce_obj, "value", nonce_obj) else: - response = await self.query( + response = self.query( module="System", storage_function="Account", params=[account_address] ) return response["nonce"] - async def get_account_next_index(self, account_address: str) -> int: + def get_account_next_index(self, account_address: str) -> int: """ Returns next index for the given account address, taking into account the transaction pool. @@ -3366,14 +5900,14 @@ async def get_account_next_index(self, account_address: str) -> int: Returns: Next index for the given account address """ - if not await self.supports_rpc_method("account_nextIndex"): + if not self.supports_rpc_method("account_nextIndex"): # Unlikely to happen, this is a common RPC method raise Exception("account_nextIndex not supported") - nonce_obj = await self.rpc_request("account_nextIndex", [account_address]) + nonce_obj = self.rpc_request("account_nextIndex", [account_address]) return nonce_obj["result"] - async def get_metadata_constant(self, module_name, constant_name, block_hash=None): + def get_metadata_constant(self, module_name, constant_name, block_hash=None): """ Retrieves the details of a constant for given module name, call function name and block_hash (or chaintip if block_hash is omitted) @@ -3387,7 +5921,7 @@ async def get_metadata_constant(self, module_name, constant_name, block_hash=Non MetadataModuleConstants """ if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) + self.init_runtime(block_hash=block_hash) for module in self.__metadata.pallets: if module_name == module.name and module.constants: @@ -3395,7 +5929,7 @@ async def get_metadata_constant(self, module_name, constant_name, block_hash=Non if constant_name == constant.value["name"]: return constant - async def get_constant( + def get_constant( self, module_name: str, constant_name: str, @@ -3415,21 +5949,19 @@ async def get_constant( Returns: ScaleType from the runtime call """ - block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) - constant = await self.get_metadata_constant( + block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) + constant = self.get_metadata_constant( module_name, constant_name, block_hash=block_hash ) if constant: # Decode to ScaleType - return await self.decode_scale( + return self.decode_scale( constant.type, bytes(constant.constant_value), return_scale_obj=True ) else: return None - async def get_payment_info( - self, call: GenericCall, keypair: Keypair - ) -> dict[str, Any]: + def get_payment_info(self, call: GenericCall, keypair: Keypair) -> dict[str, Any]: """ Retrieves fee estimation via RPC for given extrinsic @@ -3455,21 +5987,19 @@ async def get_payment_info( signature = "0x" + "00" * 64 # Create extrinsic - extrinsic = await self.create_signed_extrinsic( + extrinsic = self.create_signed_extrinsic( call=call, keypair=keypair, signature=signature ) extrinsic_len = self.runtime_config.create_scale_object("u32") extrinsic_len.encode(len(extrinsic.data)) - result = await self.runtime_call( + result = self.runtime_call( "TransactionPaymentApi", "query_info", [extrinsic, extrinsic_len] ) return result.value - async def get_type_registry( - self, block_hash: str = None, max_recursion: int = 4 - ) -> dict: + def get_type_registry(self, block_hash: str = None, max_recursion: int = 4) -> dict: """ Generates an exhaustive list of which RUST types exist in the runtime specified at given block_hash (or chaintip if block_hash is omitted) @@ -3484,7 +6014,7 @@ async def get_type_registry( dict mapping the type strings to the type decompositions """ if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) + self.init_runtime(block_hash=block_hash) if not self.implements_scaleinfo: raise NotImplementedError("MetadataV14 or higher runtimes is required") @@ -3507,9 +6037,7 @@ async def get_type_registry( return type_registry - async def get_type_definition( - self, type_string: str, block_hash: str = None - ) -> str: + def get_type_definition(self, type_string: str, block_hash: str = None) -> str: """ Retrieves SCALE encoding specifications of given type_string @@ -3520,10 +6048,10 @@ async def get_type_definition( Returns: type decomposition """ - scale_obj = await self.create_scale_object(type_string, block_hash=block_hash) + scale_obj = self.create_scale_object(type_string, block_hash=block_hash) return scale_obj.generate_type_decomposition() - async def get_metadata_modules(self, block_hash=None) -> list[dict[str, Any]]: + def get_metadata_modules(self, block_hash=None) -> list[dict[str, Any]]: """ Retrieves a list of modules in metadata for given block_hash (or chaintip if block_hash is omitted) @@ -3534,7 +6062,7 @@ async def get_metadata_modules(self, block_hash=None) -> list[dict[str, Any]]: List of metadata modules """ if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) + self.init_runtime(block_hash=block_hash) return [ { @@ -3551,7 +6079,7 @@ async def get_metadata_modules(self, block_hash=None) -> list[dict[str, Any]]: for idx, module in enumerate(self.metadata.pallets) ] - async def get_metadata_module(self, name, block_hash=None) -> ScaleType: + def get_metadata_module(self, name, block_hash=None) -> ScaleType: """ Retrieves modules in metadata by name for given block_hash (or chaintip if block_hash is omitted) @@ -3563,11 +6091,11 @@ async def get_metadata_module(self, name, block_hash=None) -> ScaleType: MetadataModule """ if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) + self.init_runtime(block_hash=block_hash) return self.metadata.get_metadata_pallet(name) - async def query( + def query( self, module: str, storage_function: str, @@ -3581,15 +6109,15 @@ async def query( Queries substrate. This should only be used when making a single request. For multiple requests, you should use ``self.query_multiple`` """ - block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) + block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) if block_hash: self.last_block_hash = block_hash if not self.__metadata or block_hash: - runtime = await self.init_runtime(block_hash=block_hash) + runtime = self.init_runtime(block_hash=block_hash) else: runtime = self.runtime - preprocessed: Preprocessed = await self._preprocess( - params, block_hash, storage_function, module + preprocessed: Preprocessed = self._preprocess( + params, block_hash, storage_function, module, raw_storage_key ) payload = [ self.make_payload( @@ -3599,7 +6127,7 @@ async def query( value_scale_type = preprocessed.value_scale_type storage_item = preprocessed.storage_item - responses = await self._make_rpc_request( + responses = self._make_rpc_request( payload, value_scale_type, storage_item, @@ -3611,7 +6139,7 @@ async def query( return ScaleObj(result) return result - async def query_map( + def query_map( self, module: str, storage_function: str, @@ -3630,7 +6158,7 @@ async def query_map( Example: ``` - result = await substrate.query_map('System', 'Account', max_results=100) + result = substrate.query_map('System', 'Account', max_results=100) async for account, account_info in result: print(f"Free balance of account '{account.value}': {account_info.value['data']['free']}") @@ -3658,11 +6186,11 @@ async def query_map( """ hex_to_bytes_ = hex_to_bytes params = params or [] - block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) + block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) if block_hash: self.last_block_hash = block_hash if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) + self.init_runtime(block_hash=block_hash) metadata_pallet = self.__metadata.get_metadata_pallet(module) if not metadata_pallet: @@ -3687,6 +6215,7 @@ async def query_map( ) # Generate storage key prefix + # TODO should this use raw storage keys if necessary? storage_key = StorageKey.create_from_storage_function( module, storage_item.value["name"], @@ -3704,7 +6233,7 @@ async def query_map( page_size = max_results # Retrieve storage keys - response = await self.rpc_request( + response = self.rpc_request( method="state_getKeysPaged", params=[prefix, page_size, start_key, block_hash], ) @@ -3734,7 +6263,7 @@ def concat_hash_len(key_hasher: str) -> int: last_key = result_keys[-1] # Retrieve corresponding value - response = await self.rpc_request( + response = self.rpc_request( method="state_queryStorageAt", params=[result_keys, block_hash] ) @@ -3752,7 +6281,7 @@ def concat_hash_len(key_hasher: str) -> int: ) key_type_string.append(param_types[n]) - item_key_obj = await self.decode_scale( + item_key_obj = self.decode_scale( type_string=f"({', '.join(key_type_string)})", scale_bytes=bytes.fromhex(item[0][len(prefix) :]), return_scale_obj=True, @@ -3775,7 +6304,7 @@ def concat_hash_len(key_hasher: str) -> int: try: item_bytes = hex_to_bytes_(item[1]) - item_value = await self.decode_scale( + item_value = self.decode_scale( type_string=value_type, scale_bytes=item_bytes, return_scale_obj=True, @@ -3785,7 +6314,7 @@ def concat_hash_len(key_hasher: str) -> int: raise item_value = None result.append([item_key, item_value]) - return self.query_map_result_cls( + return QueryMapResult( records=result, page_size=page_size, module=module, @@ -3798,12 +6327,12 @@ def concat_hash_len(key_hasher: str) -> int: ignore_decoding_errors=ignore_decoding_errors, ) - async def submit_extrinsic( + def submit_extrinsic( self, extrinsic: GenericExtrinsic, wait_for_inclusion: bool = False, wait_for_finalization: bool = False, - ) -> Union["AsyncExtrinsicReceipt", "ExtrinsicReceipt"]: + ) -> "ExtrinsicReceipt": """ Submit an extrinsic to the connected node, with the possibility to wait until the extrinsic is included in a block and/or the block is finalized. The receipt returned provided information about the block and @@ -3822,7 +6351,7 @@ async def submit_extrinsic( if not isinstance(extrinsic, GenericExtrinsic): raise TypeError("'extrinsic' must be of type Extrinsics") - async def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: + def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: """ Result handler function passed as an arg to _make_rpc_request as the result_handler to handle the results of the extrinsic rpc call, which are multipart, and require @@ -3845,6 +6374,7 @@ async def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: if "finalized" in message_result and wait_for_finalization: # Created as a task because we don't actually care about the result + # TODO change this logic self._forgettable_task = asyncio.create_task( self.rpc_request("author_unwatchExtrinsic", [subscription_id]) ) @@ -3859,6 +6389,7 @@ async def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: and not wait_for_finalization ): # Created as a task because we don't actually care about the result + # TODO change this logic self._forgettable_task = asyncio.create_task( self.rpc_request("author_unwatchExtrinsic", [subscription_id]) ) @@ -3871,7 +6402,7 @@ async def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: if wait_for_inclusion or wait_for_finalization: responses = ( - await self._make_rpc_request( + self._make_rpc_request( [ self.make_payload( "rpc_request", @@ -3892,7 +6423,7 @@ async def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: # Also, this will be a multipart response, so maybe should change to everything after the first response? # The following code implies this will be a single response after the initial subscription id. - result = self.extrinsic_receipt_cls( + result = ExtrinsicReceipt( substrate=self, extrinsic_hash=response["extrinsic_hash"], block_hash=response["block_hash"], @@ -3900,20 +6431,16 @@ async def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: ) else: - response = await self.rpc_request( - "author_submitExtrinsic", [str(extrinsic.data)] - ) + response = self.rpc_request("author_submitExtrinsic", [str(extrinsic.data)]) if "result" not in response: raise SubstrateRequestException(response.get("error")) - result = self.extrinsic_receipt_cls( - substrate=self, extrinsic_hash=response["result"] - ) + result = ExtrinsicReceipt(substrate=self, extrinsic_hash=response["result"]) return result - async def get_metadata_call_function( + def get_metadata_call_function( self, module_name: str, call_function_name: str, @@ -3932,7 +6459,7 @@ async def get_metadata_call_function( list of call functions """ if not self.__metadata or block_hash: - runtime = await self.init_runtime(block_hash=block_hash) + runtime = self.init_runtime(block_hash=block_hash) else: runtime = self.runtime @@ -3943,9 +6470,9 @@ async def get_metadata_call_function( return call return None - async def get_block_number(self, block_hash: Optional[str] = None) -> int: + def get_block_number(self, block_hash: Optional[str] = None) -> int: """Async version of `substrateinterface.base.get_block_number` method.""" - response = await self.rpc_request("chain_getHeader", [block_hash]) + response = self.rpc_request("chain_getHeader", [block_hash]) if "error" in response: raise SubstrateRequestException(response["error"]["message"]) @@ -3954,349 +6481,12 @@ async def get_block_number(self, block_hash: Optional[str] = None) -> int: if response["result"]: return int(response["result"]["number"], 16) - async def close(self): + def close(self): """ Closes the substrate connection, and the websocket connection. """ + # TODO change this logic try: - await self.ws.shutdown() + self.ws.shutdown() except AttributeError: pass - - async def wait_for_block( - self, - block: int, - result_handler: Callable[[dict], Awaitable[Any]], - task_return: bool = True, - ) -> Union[asyncio.Task, Union[bool, Any]]: - """ - Executes the result_handler when the chain has reached the block specified. - - Args: - block: block number - result_handler: coroutine executed upon reaching the block number. This can be basically anything, but - must accept one single arg, a dict with the block data; whether you use this data or not is entirely - up to you. - task_return: True to immediately return the result of wait_for_block as an asyncio Task, False to wait - for the block to be reached, and return the result of the result handler. - - Returns: - Either an asyncio.Task (which contains the running subscription, and whose `result()` will contain the - return of the result_handler), or the result itself, depending on `task_return` flag. - Note that if your result_handler returns `None`, this method will return `True`, otherwise - the return will be the result of your result_handler. - """ - - async def _handler(block_data: dict[str, Any]): - required_number = block - number = block_data["header"]["number"] - if number >= required_number: - return ( - r if (r := await result_handler(block_data)) is not None else True - ) - - args = inspect.getfullargspec(result_handler).args - if len(args) != 1: - raise ValueError( - "result_handler must take exactly one arg: the dict block data." - ) - - co = self._get_block_handler( - self.last_block_hash, subscription_handler=_handler - ) - if task_return is True: - return asyncio.create_task(co) - else: - return await co - - -class SyncWebsocket: - def __init__(self, websocket: "Websocket", event_loop_manager: EventLoopManager): - self._ws = websocket - self._event_loop_mgr = event_loop_manager - - def close(self): - self._event_loop_mgr.run(self._ws.shutdown()) - - -class SubstrateInterface: - """ - A wrapper around AsyncSubstrateInterface that allows for using all the calls from it in a synchronous context - """ - - url: str - event_loop_mgr: EventLoopManager - websocket: "SyncWebsocket" - - def __init__( - self, - url: str, - use_remote_preset: bool = False, - auto_discover: bool = True, - ss58_format: Optional[int] = None, - type_registry: Optional[dict] = None, - chain_name: Optional[str] = None, - event_loop_manager: Optional[EventLoopManager] = None, - _mock: bool = False, - substrate: Optional["AsyncSubstrateInterface"] = None, - ): - self.url = url - self.event_loop_mgr = event_loop_manager or EventLoopManager() - self._async_instance = ( - AsyncSubstrateInterface( - url=url, - use_remote_preset=use_remote_preset, - auto_discover=auto_discover, - ss58_format=ss58_format, - type_registry=type_registry, - event_loop_mgr=self.event_loop_mgr, - chain_name=chain_name, - _mock=_mock, - ) - if not substrate - else substrate - ) - self.event_loop_mgr.run(self._async_instance.initialize()) - self.websocket = SyncWebsocket(self._async_instance.ws, self.event_loop_mgr) - - @property - def last_block_hash(self): - return self._async_instance.last_block_hash - - @property - def metadata(self): - return self._async_instance.metadata - - def __del__(self): - self.event_loop_mgr.run(self._async_instance.close()) - - def _run(self, coroutine): - return self.event_loop_mgr.run(coroutine) - - def __getattr__(self, name): - attr = getattr(self._async_instance, name) - - if asyncio.iscoroutinefunction(attr): - - def sync_method(*args, **kwargs): - return self._run(attr(*args, **kwargs)) - - return sync_method - elif asyncio.iscoroutine(attr): - # indicates this is an async_property - return self._run(attr) - else: - return attr - - def query( - self, - module: str, - storage_function: str, - params: Optional[list] = None, - block_hash: Optional[str] = None, - raw_storage_key: Optional[bytes] = None, - subscription_handler=None, - reuse_block_hash: bool = False, - ) -> "ScaleType": - return self._run( - self._async_instance.query( - module, - storage_function, - params, - block_hash, - raw_storage_key, - subscription_handler, - reuse_block_hash, - ) - ) - - def get_constant( - self, - module_name: str, - constant_name: str, - block_hash: Optional[str] = None, - reuse_block_hash: bool = False, - ) -> Optional["ScaleType"]: - return self._run( - self._async_instance.get_constant( - module_name, constant_name, block_hash, reuse_block_hash - ) - ) - - def submit_extrinsic( - self, - extrinsic: GenericExtrinsic, - wait_for_inclusion: bool = False, - wait_for_finalization: bool = False, - ) -> "ExtrinsicReceipt": - return self._run( - self._async_instance.submit_extrinsic( - extrinsic, wait_for_inclusion, wait_for_finalization - ) - ) - - def close(self): - return self._run(self._async_instance.close()) - - def create_scale_object( - self, - type_string: str, - data: Optional[ScaleBytes] = None, - block_hash: Optional[str] = None, - **kwargs, - ) -> "ScaleType": - return self._run( - self._async_instance.create_scale_object( - type_string, data, block_hash, **kwargs - ) - ) - - def rpc_request( - self, - method: str, - params: Optional[list], - block_hash: Optional[str] = None, - reuse_block_hash: bool = False, - ) -> Any: - return self._run( - self._async_instance.rpc_request( - method, params, block_hash, reuse_block_hash - ) - ) - - def get_block_number(self, block_hash: Optional[str] = None) -> int: - return self._run(self._async_instance.get_block_number(block_hash)) - - def create_signed_extrinsic( - self, - call: GenericCall, - keypair: Keypair, - era: Optional[dict] = None, - nonce: Optional[int] = None, - tip: int = 0, - tip_asset_id: Optional[int] = None, - signature: Optional[Union[bytes, str]] = None, - ) -> "GenericExtrinsic": - return self._run( - self._async_instance.create_signed_extrinsic( - call, keypair, era, nonce, tip, tip_asset_id, signature - ) - ) - - def compose_call( - self, - call_module: str, - call_function: str, - call_params: Optional[dict] = None, - block_hash: Optional[str] = None, - ) -> GenericCall: - return self._run( - self._async_instance.compose_call( - call_module, call_function, call_params, block_hash - ) - ) - - def get_block_hash(self, block_id: int) -> str: - return self._run(self._async_instance.get_block_hash(block_id)) - - def get_payment_info(self, call: GenericCall, keypair: Keypair) -> dict[str, Any]: - return self._run(self._async_instance.get_payment_info(call, keypair)) - - def get_chain_head(self) -> str: - return self._run(self._async_instance.get_chain_head()) - - def get_events(self, block_hash: Optional[str] = None) -> list: - return self._run(self._async_instance.get_events(block_hash)) - - def query_map( - self, - module: str, - storage_function: str, - params: Optional[list] = None, - block_hash: Optional[str] = None, - max_results: Optional[int] = None, - start_key: Optional[str] = None, - page_size: int = 100, - ignore_decoding_errors: bool = False, - reuse_block_hash: bool = False, - ) -> "QueryMapResult": - return self._run( - self._async_instance.query_map( - module, - storage_function, - params, - block_hash, - max_results, - start_key, - page_size, - ignore_decoding_errors, - reuse_block_hash, - ) - ) - - def query_multi( - self, storage_keys: list[StorageKey], block_hash: Optional[str] = None - ) -> list: - return self._run(self._async_instance.query_multi(storage_keys, block_hash)) - - def get_block( - self, - block_hash: Optional[str] = None, - block_number: Optional[int] = None, - ignore_decoding_errors: bool = False, - include_author: bool = False, - finalized_only: bool = False, - ) -> Optional[dict]: - return self._run( - self._async_instance.get_block( - block_hash, - block_number, - ignore_decoding_errors, - include_author, - finalized_only, - ) - ) - - def create_storage_key( - self, - pallet: str, - storage_function: str, - params: Optional[list] = None, - block_hash: str = None, - ) -> StorageKey: - return self._run( - self._async_instance.create_storage_key( - pallet, storage_function, params, block_hash - ) - ) - - -async def get_async_substrate_interface( - url: str, - use_remote_preset: bool = False, - auto_discover: bool = True, - ss58_format: Optional[int] = None, - type_registry: Optional[dict] = None, - chain_name: Optional[str] = None, - sync_calls: bool = False, - max_retries: int = 5, - retry_timeout: float = 60.0, - _mock: bool = False, -) -> "AsyncSubstrateInterface": - """ - Factory function for creating an initialized AsyncSubstrateInterface - """ - substrate = AsyncSubstrateInterface( - url, - use_remote_preset, - auto_discover, - ss58_format, - type_registry, - chain_name, - sync_calls, - max_retries, - retry_timeout, - _mock, - ) - await substrate.initialize() - return substrate From b7bed36a2fb93b53f0f44ce8a6210e020e0fc958 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Fri, 17 Jan 2025 13:16:23 +0200 Subject: [PATCH 14/30] Broke into different files, remove EventLoopManager --- ...strate_interface.py => async_substrate.py} | 3963 ++--------------- async_substrate_interface/sync_substrate.py | 2941 ++++++++++++ async_substrate_interface/types.py | 699 +++ async_substrate_interface/utils/__init__.py | 68 - 4 files changed, 4016 insertions(+), 3655 deletions(-) rename async_substrate_interface/{substrate_interface.py => async_substrate.py} (50%) create mode 100644 async_substrate_interface/sync_substrate.py create mode 100644 async_substrate_interface/types.py diff --git a/async_substrate_interface/substrate_interface.py b/async_substrate_interface/async_substrate.py similarity index 50% rename from async_substrate_interface/substrate_interface.py rename to async_substrate_interface/async_substrate.py index 4739bda..0ebc1f7 100644 --- a/async_substrate_interface/substrate_interface.py +++ b/async_substrate_interface/async_substrate.py @@ -11,11 +11,7 @@ import random import ssl import time -from abc import ABC from collections import defaultdict -from collections.abc import Iterable -from dataclasses import dataclass -from datetime import datetime from functools import lru_cache from hashlib import blake2b from typing import ( @@ -31,9 +27,7 @@ import asyncstdlib as a from bittensor_wallet import Keypair from bt_decode import PortableRegistry, decode as decode_by_type_string, MetadataV15 -from scalecodec import GenericExtrinsic, ss58_encode, ss58_decode, is_valid_ss58_address from scalecodec.base import ScaleBytes, ScaleType, RuntimeConfigurationObject -from scalecodec.type_registry import load_type_registry_preset from scalecodec.types import GenericCall, GenericRuntimeCallDefinition from websockets.asyncio.client import connect from websockets.exceptions import ConnectionClosed @@ -43,128 +37,13 @@ ExtrinsicNotFound, BlockNotFound, ) -from async_substrate_interface.utils import hex_to_bytes, EventLoopManager +from async_substrate_interface.utils import hex_to_bytes from async_substrate_interface.utils.storage import StorageKey if TYPE_CHECKING: from websockets.asyncio.client import ClientConnection ResultHandler = Callable[[dict, Any], Awaitable[tuple[dict, bool]]] -ExtrinsicReceiptLike = Union["AsyncExtrinsicReceipt", "ExtrinsicReceipt"] - - -class ScaleObj: - """Bittensor representation of Scale Object.""" - - def __init__(self, value): - self.value = list(value) if isinstance(value, tuple) else value - - def __new__(cls, value): - return super().__new__(cls) - - def __str__(self): - return f"BittensorScaleType(value={self.value})>" - - def __bool__(self): - if self.value: - return True - else: - return False - - def __repr__(self): - return repr(f"BittensorScaleType(value={self.value})>") - - def __eq__(self, other): - return self.value == (other.value if isinstance(other, ScaleObj) else other) - - def __lt__(self, other): - return self.value < (other.value if isinstance(other, ScaleObj) else other) - - def __gt__(self, other): - return self.value > (other.value if isinstance(other, ScaleObj) else other) - - def __le__(self, other): - return self.value <= (other.value if isinstance(other, ScaleObj) else other) - - def __ge__(self, other): - return self.value >= (other.value if isinstance(other, ScaleObj) else other) - - def __add__(self, other): - if isinstance(other, ScaleObj): - return ScaleObj(self.value + other.value) - return ScaleObj(self.value + other) - - def __radd__(self, other): - return ScaleObj(other + self.value) - - def __sub__(self, other): - if isinstance(other, ScaleObj): - return ScaleObj(self.value - other.value) - return ScaleObj(self.value - other) - - def __rsub__(self, other): - return ScaleObj(other - self.value) - - def __mul__(self, other): - if isinstance(other, ScaleObj): - return ScaleObj(self.value * other.value) - return ScaleObj(self.value * other) - - def __rmul__(self, other): - return ScaleObj(other * self.value) - - def __truediv__(self, other): - if isinstance(other, ScaleObj): - return ScaleObj(self.value / other.value) - return ScaleObj(self.value / other) - - def __rtruediv__(self, other): - return ScaleObj(other / self.value) - - def __floordiv__(self, other): - if isinstance(other, ScaleObj): - return ScaleObj(self.value // other.value) - return ScaleObj(self.value // other) - - def __rfloordiv__(self, other): - return ScaleObj(other // self.value) - - def __mod__(self, other): - if isinstance(other, ScaleObj): - return ScaleObj(self.value % other.value) - return ScaleObj(self.value % other) - - def __rmod__(self, other): - return ScaleObj(other % self.value) - - def __pow__(self, other): - if isinstance(other, ScaleObj): - return ScaleObj(self.value**other.value) - return ScaleObj(self.value**other) - - def __rpow__(self, other): - return ScaleObj(other**self.value) - - def __getitem__(self, key): - if isinstance(self.value, (list, tuple, dict, str)): - return self.value[key] - raise TypeError( - f"Object of type '{type(self.value).__name__}' does not support indexing" - ) - - def __iter__(self): - if isinstance(self.value, Iterable): - return iter(self.value) - raise TypeError(f"Object of type '{type(self.value).__name__}' is not iterable") - - def __len__(self): - return len(self.value) - - def serialize(self): - return self.value - - def decode(self): - return self.value class AsyncExtrinsicReceipt: @@ -502,48 +381,6 @@ def get(self, name): return self[name] -class ExtrinsicReceipt: - """ - A wrapper around AsyncExtrinsicReceipt that allows for using all the calls from it in a synchronous context - """ - - def __init__( - self, - substrate: "AsyncSubstrateInterface", - extrinsic_hash: Optional[str] = None, - block_hash: Optional[str] = None, - block_number: Optional[int] = None, - extrinsic_idx: Optional[int] = None, - finalized: bool = False, - event_loop_mgr: EventLoopManager = None, - ): - self._async_instance = AsyncExtrinsicReceipt( - substrate, - extrinsic_hash, - block_hash, - block_number, - extrinsic_idx, - finalized, - ) - self.event_loop_mgr = event_loop_mgr or EventLoopManager() - - def __getattr__(self, name): - attr = getattr(self._async_instance, name) - - if asyncio.iscoroutinefunction(attr): - - def sync_method(*args, **kwargs): - return self.event_loop_mgr.run(attr(*args, **kwargs)) - - return sync_method - elif asyncio.iscoroutine(attr): - # indicates this is an async_property - return self.event_loop_mgr.run(attr) - - else: - return attr - - class QueryMapResult: def __init__( self, @@ -557,7 +394,6 @@ def __init__( last_key: Optional[str] = None, max_results: Optional[int] = None, ignore_decoding_errors: bool = False, - event_loop_mgr: Optional[EventLoopManager] = None, ): self.records = records self.page_size = page_size @@ -571,7 +407,6 @@ def __init__( self.ignore_decoding_errors = ignore_decoding_errors self.loading_complete = False self._buffer = iter(self.records) # Initialize the buffer with initial records - self.event_loop_mgr = event_loop_mgr async def retrieve_next_page(self, start_key) -> list: result = await self.substrate.query_map( @@ -641,202 +476,6 @@ def __getitem__(self, item): return self.records[item] -@dataclass -class Preprocessed: - queryable: str - method: str - params: list - value_scale_type: str - storage_item: ScaleType - - -class RuntimeCache: - blocks: dict[int, "Runtime"] - block_hashes: dict[str, "Runtime"] - - def __init__(self): - self.blocks = {} - self.block_hashes = {} - - def add_item( - self, block: Optional[int], block_hash: Optional[str], runtime: "Runtime" - ): - if block is not None: - self.blocks[block] = runtime - if block_hash is not None: - self.block_hashes[block_hash] = runtime - - def retrieve( - self, block: Optional[int] = None, block_hash: Optional[str] = None - ) -> Optional["Runtime"]: - if block is not None: - return self.blocks.get(block) - elif block_hash is not None: - return self.block_hashes.get(block_hash) - else: - return None - - -class Runtime: - block_hash: str - block_id: int - runtime_version = None - transaction_version = None - cache_region = None - metadata = None - runtime_config: RuntimeConfigurationObject - type_registry_preset = None - - def __init__( - self, chain, runtime_config: RuntimeConfigurationObject, metadata, type_registry - ): - self.config = {} - self.chain = chain - self.type_registry = type_registry - self.runtime_config = runtime_config - self.metadata = metadata - - def __str__(self): - return f"Runtime: {self.chain} | {self.config}" - - @property - def implements_scaleinfo(self) -> bool: - """ - Returns True if current runtime implementation a `PortableRegistry` (`MetadataV14` and higher) - """ - if self.metadata: - return self.metadata.portable_registry is not None - else: - return False - - def reload_type_registry( - self, use_remote_preset: bool = True, auto_discover: bool = True - ): - """ - Reload type registry and preset used to instantiate the SubstrateInterface object. Useful to periodically apply - changes in type definitions when a runtime upgrade occurred - - Args: - use_remote_preset: When True preset is downloaded from Github master, otherwise use files from local - installed scalecodec package - auto_discover: Whether to automatically discover the type registry presets based on the chain name and the - type registry - """ - self.runtime_config.clear_type_registry() - - self.runtime_config.implements_scale_info = self.implements_scaleinfo - - # Load metadata types in runtime configuration - self.runtime_config.update_type_registry(load_type_registry_preset(name="core")) - self.apply_type_registry_presets( - use_remote_preset=use_remote_preset, auto_discover=auto_discover - ) - - def apply_type_registry_presets( - self, - use_remote_preset: bool = True, - auto_discover: bool = True, - ): - """ - Applies type registry presets to the runtime - - Args: - use_remote_preset: whether to use presets from remote - auto_discover: whether to use presets from local installed scalecodec package - """ - if self.type_registry_preset is not None: - # Load type registry according to preset - type_registry_preset_dict = load_type_registry_preset( - name=self.type_registry_preset, use_remote_preset=use_remote_preset - ) - - if not type_registry_preset_dict: - raise ValueError( - f"Type registry preset '{self.type_registry_preset}' not found" - ) - - elif auto_discover: - # Try to auto discover type registry preset by chain name - type_registry_name = self.chain.lower().replace(" ", "-") - try: - type_registry_preset_dict = load_type_registry_preset( - type_registry_name - ) - self.type_registry_preset = type_registry_name - except ValueError: - type_registry_preset_dict = None - - else: - type_registry_preset_dict = None - - if type_registry_preset_dict: - # Load type registries in runtime configuration - if self.implements_scaleinfo is False: - # Only runtime with no embedded types in metadata need the default set of explicit defined types - self.runtime_config.update_type_registry( - load_type_registry_preset( - "legacy", use_remote_preset=use_remote_preset - ) - ) - - if self.type_registry_preset != "legacy": - self.runtime_config.update_type_registry(type_registry_preset_dict) - - if self.type_registry: - # Load type registries in runtime configuration - self.runtime_config.update_type_registry(self.type_registry) - - -class RequestManager: - RequestResults = dict[Union[str, int], list[Union[ScaleType, dict]]] - - def __init__(self, payloads): - self.response_map = {} - self.responses = defaultdict(lambda: {"complete": False, "results": []}) - self.payloads_count = len(payloads) - - def add_request(self, item_id: int, request_id: Any): - """ - Adds an outgoing request to the responses map for later retrieval - """ - self.response_map[item_id] = request_id - - def overwrite_request(self, item_id: int, request_id: Any): - """ - Overwrites an existing request in the responses map with a new request_id. This is used - for multipart responses that generate a subscription id we need to watch, rather than the initial - request_id. - """ - self.response_map[request_id] = self.response_map.pop(item_id) - return request_id - - def add_response(self, item_id: int, response: dict, complete: bool): - """ - Maps a response to the request for later retrieval - """ - request_id = self.response_map[item_id] - self.responses[request_id]["results"].append(response) - self.responses[request_id]["complete"] = complete - - @property - def is_complete(self) -> bool: - """ - Returns whether all requests in the manager have completed - """ - return ( - all(info["complete"] for info in self.responses.values()) - and len(self.responses) == self.payloads_count - ) - - def get_results(self) -> RequestResults: - """ - Generates a dictionary mapping the requests initiated to the responses received. - """ - return { - request_id: info["results"] for request_id, info in self.responses.items() - } - - class Websocket: def __init__( self, @@ -1004,495 +643,114 @@ async def retrieve(self, item_id: int) -> Optional[dict]: return None -class SubstrateMixin(ABC): - registry: Optional[PortableRegistry] = None - runtime_version = None - type_registry_preset = None - transaction_version = None - block_id: Optional[int] = None - last_block_hash: Optional[str] = None - __name: Optional[str] = None - __properties = None - __version = None - __token_decimals = None - __token_symbol = None - __metadata = None - __chain: str - runtime_config: RuntimeConfigurationObject - type_registry: Optional[dict] - ss58_format: Optional[int] - - @property - def chain(self): - """ - Returns the substrate chain currently associated with object +class AsyncSubstrateInterface(SubstrateMixin): + def __init__( + self, + url: str, + use_remote_preset: bool = False, + auto_discover: bool = True, + ss58_format: Optional[int] = None, + type_registry: Optional[dict] = None, + chain_name: str = "", + max_retries: int = 5, + retry_timeout: float = 60.0, + _mock: bool = False, + ): """ - return self.__chain - - @property - def metadata(self): - if self.__metadata is None: - raise AttributeError( - "Metadata not found. This generally indicates that the AsyncSubstrateInterface object " - "is not properly async initialized." - ) - else: - return self.__metadata + The asyncio-compatible version of the subtensor interface commands we use in bittensor. It is important to + initialise this class asynchronously in an async context manager using `async with AsyncSubstrateInterface()`. + Otherwise, some (most) methods will not work properly, and may raise exceptions. - @property - def runtime(self): - return Runtime( - self.chain, - self.runtime_config, - self.__metadata, - self.type_registry, - ) + Args: + url: the URI of the chain to connect to + use_remote_preset: whether to pull the preset from GitHub + auto_discover: whether to automatically pull the presets based on the chain name and type registry + ss58_format: the specific SS58 format to use + type_registry: a dict of custom types + chain_name: the name of the chain (the result of the rpc request for "system_chain") + sync_calls: whether this instance is going to be called through a sync wrapper or plain + max_retries: number of times to retry RPC requests before giving up + retry_timeout: how to long wait since the last ping to retry the RPC request + event_loop_mgr: an EventLoopManager instance, only used in the case where `sync_calls` is `True` + _mock: whether to use mock version of the subtensor interface - @property - def implements_scaleinfo(self) -> Optional[bool]: """ - Returns True if current runtime implementation a `PortableRegistry` (`MetadataV14` and higher) + self.max_retries = max_retries + self.retry_timeout = retry_timeout + self.chain_endpoint = url + self.url = url + self.__chain = chain_name + self.ws = Websocket( + url, + options={ + "max_size": 2**32, + "write_limit": 2**16, + }, + ) + self._lock = asyncio.Lock() + self.config = { + "use_remote_preset": use_remote_preset, + "auto_discover": auto_discover, + "rpc_methods": None, + "strict_scale_decode": True, + } + self.initialized = False + self._forgettable_task = None + self.ss58_format = ss58_format + self.type_registry = type_registry + self.runtime_cache = RuntimeCache() + self.runtime_config = RuntimeConfigurationObject( + ss58_format=self.ss58_format, implements_scale_info=True + ) + self.__metadata_cache = {} + self.metadata_version_hex = "0x0f000000" # v15 + self.query_map_result_cls = QueryMapResult + self.extrinsic_receipt_cls = AsyncExtrinsicReceipt + self.reload_type_registry() + self._initializing = False - Returns - ------- - bool - """ - if self.__metadata: - return self.__metadata.portable_registry is not None - else: - return None + async def __aenter__(self): + await self.initialize() + return self - def ss58_encode( - self, public_key: Union[str, bytes], ss58_format: int = None - ) -> str: + async def initialize(self): """ - Helper function to encode a public key to SS58 address. - - If no target `ss58_format` is provided, it will default to the ss58 format of the network it's connected to. - - Args: - public_key: 32 bytes or hex-string. e.g. 0x6e39f36c370dd51d9a7594846914035de7ea8de466778ea4be6c036df8151f29 - ss58_format: target networkID to format the address for, defaults to the network it's connected to - - Returns: - str containing the SS58 address + Initialize the connection to the chain. """ + async with self._lock: + self._initializing = True + if not self.initialized: + if not self.__chain: + chain = await self.rpc_request("system_chain", []) + self.__chain = chain.get("result") + await asyncio.gather(self.load_registry(), self._init_init_runtime()) + self.initialized = True + self._initializing = False - if ss58_format is None: - ss58_format = self.ss58_format + async def __aexit__(self, exc_type, exc_val, exc_tb): + pass - return ss58_encode(public_key, ss58_format=ss58_format) + @property + async def properties(self): + if self.__properties is None: + self.__properties = (await self.rpc_request("system_properties", [])).get( + "result" + ) + return self.__properties - def ss58_decode(self, ss58_address: str) -> str: - """ - Helper function to decode a SS58 address to a public key + @property + async def version(self): + if self.__version is None: + self.__version = (await self.rpc_request("system_version", [])).get( + "result" + ) + return self.__version - Args: - ss58_address: the encoded SS58 address to decode (e.g. EaG2CRhJWPb7qmdcJvy3LiWdh26Jreu9Dx6R1rXxPmYXoDk) - - Returns: - str containing the hex representation of the public key - """ - return ss58_decode(ss58_address, valid_ss58_format=self.ss58_format) - - def is_valid_ss58_address(self, value: str) -> bool: - """ - Helper function to validate given value as ss58_address for current network/ss58_format - - Args: - value: value to validate - - Returns: - bool - """ - return is_valid_ss58_address(value, valid_ss58_format=self.ss58_format) - - def serialize_storage_item( - self, storage_item: ScaleType, module, spec_version_id - ) -> dict: - """ - Helper function to serialize a storage item - - Args: - storage_item: the storage item to serialize - module: the module to use to serialize the storage item - spec_version_id: the version id - - Returns: - dict - """ - storage_dict = { - "storage_name": storage_item.name, - "storage_modifier": storage_item.modifier, - "storage_default_scale": storage_item["default"].get_used_bytes(), - "storage_default": None, - "documentation": "\n".join(storage_item.docs), - "module_id": module.get_identifier(), - "module_prefix": module.value["storage"]["prefix"], - "module_name": module.name, - "spec_version": spec_version_id, - "type_keys": storage_item.get_params_type_string(), - "type_hashers": storage_item.get_param_hashers(), - "type_value": storage_item.get_value_type_string(), - } - - type_class, type_info = next(iter(storage_item.type.items())) - - storage_dict["type_class"] = type_class - - value_scale_type = storage_item.get_value_type_string() - - if storage_item.value["modifier"] == "Default": - # Fallback to default value of storage function if no result - query_value = storage_item.value_object["default"].value_object - else: - # No result is interpreted as an Option<...> result - value_scale_type = f"Option<{value_scale_type}>" - query_value = storage_item.value_object["default"].value_object - - try: - obj = self.runtime_config.create_scale_object( - type_string=value_scale_type, - data=ScaleBytes(query_value), - metadata=self.metadata, - ) - obj.decode() - storage_dict["storage_default"] = obj.decode() - except Exception: - storage_dict["storage_default"] = "[decoding error]" - - return storage_dict - - def serialize_constant(self, constant, module, spec_version_id) -> dict: - """ - Helper function to serialize a constant - - Parameters - ---------- - constant - module - spec_version_id - - Returns - ------- - dict - """ - try: - value_obj = self.runtime_config.create_scale_object( - type_string=constant.type, data=ScaleBytes(constant.constant_value) - ) - constant_decoded_value = value_obj.decode() - except Exception: - constant_decoded_value = "[decoding error]" - - return { - "constant_name": constant.name, - "constant_type": constant.type, - "constant_value": constant_decoded_value, - "constant_value_scale": f"0x{constant.constant_value.hex()}", - "documentation": "\n".join(constant.docs), - "module_id": module.get_identifier(), - "module_prefix": module.value["storage"]["prefix"] - if module.value["storage"] - else None, - "module_name": module.name, - "spec_version": spec_version_id, - } - - @staticmethod - def serialize_module_call(module, call: GenericCall, spec_version) -> dict: - """ - Helper function to serialize a call function - - Args: - module: the module to use - call: the call function to serialize - spec_version: the spec version of the call function - - Returns: - dict serialized version of the call function - """ - return { - "call_name": call.name, - "call_args": [call_arg.value for call_arg in call.args], - "documentation": "\n".join(call.docs), - "module_prefix": module.value["storage"]["prefix"] - if module.value["storage"] - else None, - "module_name": module.name, - "spec_version": spec_version, - } - - @staticmethod - def serialize_module_event(module, event, spec_version, event_index: str) -> dict: - """ - Helper function to serialize an event - - Args: - module: the metadata module - event: the event to serialize - spec_version: the spec version of the error - event_index: the hex index of this event in the block - - Returns: - dict serialized version of the event - """ - return { - "event_id": event.name, - "event_name": event.name, - "event_args": [ - {"event_arg_index": idx, "type": arg} - for idx, arg in enumerate(event.args) - ], - "lookup": f"0x{event_index}", - "documentation": "\n".join(event.docs), - "module_id": module.get_identifier(), - "module_prefix": module.prefix, - "module_name": module.name, - "spec_version": spec_version, - } - - @staticmethod - def serialize_module_error(module, error, spec_version) -> dict: - """ - Helper function to serialize an error - - Args: - module: the metadata module - error: the error to serialize - spec_version: the spec version of the error - - Returns: - dict serialized version of the module error - """ - return { - "error_name": error.name, - "documentation": "\n".join(error.docs), - "module_id": module.get_identifier(), - "module_prefix": module.value["storage"]["prefix"] - if module.value["storage"] - else None, - "module_name": module.name, - "spec_version": spec_version, - } - - def reload_type_registry( - self, use_remote_preset: bool = True, auto_discover: bool = True - ): - """ - Reload type registry and preset used to instantiate the `AsyncSubstrateInterface` object. Useful to - periodically apply changes in type definitions when a runtime upgrade occurred - - Args: - use_remote_preset: When True preset is downloaded from Github master, - otherwise use files from local installed scalecodec package - auto_discover: Whether to automatically discover the type_registry - presets based on the chain name and typer registry - """ - self.runtime_config.clear_type_registry() - - self.runtime_config.implements_scale_info = self.implements_scaleinfo - - # Load metadata types in runtime configuration - self.runtime_config.update_type_registry(load_type_registry_preset(name="core")) - self.apply_type_registry_presets( - use_remote_preset=use_remote_preset, auto_discover=auto_discover - ) - - def apply_type_registry_presets( - self, use_remote_preset: bool = True, auto_discover: bool = True - ): - if self.type_registry_preset is not None: - # Load type registry according to preset - type_registry_preset_dict = load_type_registry_preset( - name=self.type_registry_preset, use_remote_preset=use_remote_preset - ) - - if not type_registry_preset_dict: - raise ValueError( - f"Type registry preset '{self.type_registry_preset}' not found" - ) - - elif auto_discover: - # Try to auto discover type registry preset by chain name - type_registry_name = self.chain.lower().replace(" ", "-") - try: - type_registry_preset_dict = load_type_registry_preset( - type_registry_name - ) - logging.debug( - f"Auto set type_registry_preset to {type_registry_name} ..." - ) - self.type_registry_preset = type_registry_name - except ValueError: - type_registry_preset_dict = None - - else: - type_registry_preset_dict = None - - if type_registry_preset_dict: - # Load type registries in runtime configuration - if self.implements_scaleinfo is False: - # Only runtime with no embedded types in metadata need the default set of explicit defined types - self.runtime_config.update_type_registry( - load_type_registry_preset( - "legacy", use_remote_preset=use_remote_preset - ) - ) - - if self.type_registry_preset != "legacy": - self.runtime_config.update_type_registry(type_registry_preset_dict) - - if self.type_registry: - # Load type registries in runtime configuration - self.runtime_config.update_type_registry(self.type_registry) - - def extension_call(self, name, **kwargs): - raise NotImplementedError( - "Extensions not implemented in AsyncSubstrateInterface" - ) - - def filter_extrinsics(self, **kwargs) -> list: - return self.extension_call("filter_extrinsics", **kwargs) - - def filter_events(self, **kwargs) -> list: - return self.extension_call("filter_events", **kwargs) - - def search_block_number(self, block_datetime: datetime, block_time: int = 6) -> int: - return self.extension_call( - "search_block_number", block_datetime=block_datetime, block_time=block_time - ) - - def get_block_timestamp(self, block_number: int) -> int: - return self.extension_call("get_block_timestamp", block_number=block_number) - - @staticmethod - def make_payload(id_: str, method: str, params: list) -> dict: - """ - Creates a payload for making an rpc_request with _make_rpc_request - - Args: - id_: a unique name you would like to give to this request - method: the method in the RPC request - params: the params in the RPC request - - Returns: - the payload dict - """ - return { - "id": id_, - "payload": {"jsonrpc": "2.0", "method": method, "params": params}, - } - - -class AsyncSubstrateInterface(SubstrateMixin): - def __init__( - self, - url: str, - use_remote_preset: bool = False, - auto_discover: bool = True, - ss58_format: Optional[int] = None, - type_registry: Optional[dict] = None, - chain_name: str = "", - max_retries: int = 5, - retry_timeout: float = 60.0, - _mock: bool = False, - ): - """ - The asyncio-compatible version of the subtensor interface commands we use in bittensor. It is important to - initialise this class asynchronously in an async context manager using `async with AsyncSubstrateInterface()`. - Otherwise, some (most) methods will not work properly, and may raise exceptions. - - Args: - url: the URI of the chain to connect to - use_remote_preset: whether to pull the preset from GitHub - auto_discover: whether to automatically pull the presets based on the chain name and type registry - ss58_format: the specific SS58 format to use - type_registry: a dict of custom types - chain_name: the name of the chain (the result of the rpc request for "system_chain") - sync_calls: whether this instance is going to be called through a sync wrapper or plain - max_retries: number of times to retry RPC requests before giving up - retry_timeout: how to long wait since the last ping to retry the RPC request - event_loop_mgr: an EventLoopManager instance, only used in the case where `sync_calls` is `True` - _mock: whether to use mock version of the subtensor interface - - """ - self.max_retries = max_retries - self.retry_timeout = retry_timeout - self.chain_endpoint = url - self.url = url - self.__chain = chain_name - self.ws = Websocket( - url, - options={ - "max_size": 2**32, - "write_limit": 2**16, - }, - ) - self._lock = asyncio.Lock() - self.config = { - "use_remote_preset": use_remote_preset, - "auto_discover": auto_discover, - "rpc_methods": None, - "strict_scale_decode": True, - } - self.initialized = False - self._forgettable_task = None - self.ss58_format = ss58_format - self.type_registry = type_registry - self.runtime_cache = RuntimeCache() - self.runtime_config = RuntimeConfigurationObject( - ss58_format=self.ss58_format, implements_scale_info=True - ) - self.__metadata_cache = {} - self.metadata_version_hex = "0x0f000000" # v15 - self.query_map_result_cls = QueryMapResult - self.extrinsic_receipt_cls = AsyncExtrinsicReceipt - self.reload_type_registry() - self._initializing = False - - async def __aenter__(self): - await self.initialize() - return self - - async def initialize(self): - """ - Initialize the connection to the chain. - """ - async with self._lock: - self._initializing = True - if not self.initialized: - if not self.__chain: - chain = await self.rpc_request("system_chain", []) - self.__chain = chain.get("result") - await asyncio.gather(self.load_registry(), self._init_init_runtime()) - self.initialized = True - self._initializing = False - - async def __aexit__(self, exc_type, exc_val, exc_tb): - pass - - @property - async def properties(self): - if self.__properties is None: - self.__properties = (await self.rpc_request("system_properties", [])).get( - "result" - ) - return self.__properties - - @property - async def version(self): - if self.__version is None: - self.__version = (await self.rpc_request("system_version", [])).get( - "result" - ) - return self.__version - - @property - async def token_decimals(self): - if self.__token_decimals is None: - self.__token_decimals = (await self.properties).get("tokenDecimals") - return self.__token_decimals + @property + async def token_decimals(self): + if self.__token_decimals is None: + self.__token_decimals = (await self.properties).get("tokenDecimals") + return self.__token_decimals @property async def token_symbol(self): @@ -1705,2577 +963,7 @@ async def get_runtime(block_hash, block_id) -> Runtime: runtime_info = await self.get_block_runtime_version( block_hash=runtime_block_hash - ) - - if runtime_info is None: - raise SubstrateRequestException( - f"No runtime information for block '{block_hash}'" - ) - # Check if runtime state already set to current block - if ( - runtime_info.get("specVersion") == self.runtime_version - and self.__metadata is not None - ): - return Runtime( - self.chain, - self.runtime_config, - self.__metadata, - self.type_registry, - ) - - self.runtime_version = runtime_info.get("specVersion") - self.transaction_version = runtime_info.get("transactionVersion") - - if not self.__metadata: - if self.runtime_version in self.__metadata_cache: - # Get metadata from cache - logging.debug( - "Retrieved metadata for {} from memory".format( - self.runtime_version - ) - ) - metadata = self.__metadata = self.__metadata_cache[ - self.runtime_version - ] - else: - metadata = self.__metadata = await self.get_block_metadata( - block_hash=runtime_block_hash, decode=True - ) - logging.debug( - "Retrieved metadata for {} from Substrate node".format( - self.runtime_version - ) - ) - - # Update metadata cache - self.__metadata_cache[self.runtime_version] = self.__metadata - else: - metadata = self.__metadata - # Update type registry - self.reload_type_registry(use_remote_preset=False, auto_discover=True) - - if self.implements_scaleinfo: - logging.debug("Add PortableRegistry from metadata to type registry") - self.runtime_config.add_portable_registry(metadata) - - # Set active runtime version - self.runtime_config.set_active_spec_version_id(self.runtime_version) - - # Check and apply runtime constants - ss58_prefix_constant = await self.get_constant( - "System", "SS58Prefix", block_hash=block_hash - ) - - if ss58_prefix_constant: - self.ss58_format = ss58_prefix_constant - - # Set runtime compatibility flags - try: - _ = self.runtime_config.create_scale_object( - "sp_weights::weight_v2::Weight" - ) - self.config["is_weight_v2"] = True - self.runtime_config.update_type_registry_types( - {"Weight": "sp_weights::weight_v2::Weight"} - ) - except NotImplementedError: - self.config["is_weight_v2"] = False - self.runtime_config.update_type_registry_types({"Weight": "WeightV1"}) - return Runtime( - self.chain, - self.runtime_config, - metadata, - self.type_registry, - ) - - if block_id and block_hash: - raise ValueError("Cannot provide block_hash and block_id at the same time") - - if ( - not (runtime := self.runtime_cache.retrieve(block_id, block_hash)) - or runtime.metadata is None - ): - runtime = await get_runtime(block_hash, block_id) - self.runtime_cache.add_item(block_id, block_hash, runtime) - return runtime - - async def create_storage_key( - self, - pallet: str, - storage_function: str, - params: Optional[list] = None, - block_hash: str = None, - ) -> StorageKey: - """ - Create a `StorageKey` instance providing storage function details. See `subscribe_storage()`. - - Args: - pallet: name of pallet - storage_function: name of storage function - params: list of parameters in case of a Mapped storage function - block_hash: the hash of the blockchain block whose runtime to use - - Returns: - StorageKey - """ - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - return StorageKey.create_from_storage_function( - pallet, - storage_function, - params, - runtime_config=self.runtime_config, - metadata=self.__metadata, - ) - - async def get_metadata_storage_functions(self, block_hash=None) -> list: - """ - Retrieves a list of all storage functions in metadata active at given block_hash (or chaintip if block_hash is - omitted) - - Args: - block_hash: hash of the blockchain block whose runtime to use - - Returns: - list of storage functions - """ - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - storage_list = [] - - for module_idx, module in enumerate(self.metadata.pallets): - if module.storage: - for storage in module.storage: - storage_list.append( - self.serialize_storage_item( - storage_item=storage, - module=module, - spec_version_id=self.runtime_version, - ) - ) - - return storage_list - - async def get_metadata_storage_function( - self, module_name, storage_name, block_hash=None - ): - """ - Retrieves the details of a storage function for given module name, call function name and block_hash - - Args: - module_name - storage_name - block_hash - - Returns: - Metadata storage function - """ - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - pallet = self.metadata.get_metadata_pallet(module_name) - - if pallet: - return pallet.get_storage_function(storage_name) - - async def get_metadata_errors( - self, block_hash=None - ) -> list[dict[str, Optional[str]]]: - """ - Retrieves a list of all errors in metadata active at given block_hash (or chaintip if block_hash is omitted) - - Args: - block_hash: hash of the blockchain block whose metadata to use - - Returns: - list of errors in the metadata - """ - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - error_list = [] - - for module_idx, module in enumerate(self.__metadata.pallets): - if module.errors: - for error in module.errors: - error_list.append( - self.serialize_module_error( - module=module, - error=error, - spec_version=self.runtime_version, - ) - ) - - return error_list - - async def get_metadata_error(self, module_name, error_name, block_hash=None): - """ - Retrieves the details of an error for given module name, call function name and block_hash - - Args: - module_name: module name for the error lookup - error_name: error name for the error lookup - block_hash: hash of the blockchain block whose metadata to use - - Returns: - error - - """ - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - for module_idx, module in enumerate(self.__metadata.pallets): - if module.name == module_name and module.errors: - for error in module.errors: - if error_name == error.name: - return error - - async def get_metadata_runtime_call_functions( - self, - ) -> list[GenericRuntimeCallDefinition]: - """ - Get a list of available runtime API calls - - Returns: - list of runtime call functions - """ - if not self.__metadata: - await self.init_runtime() - call_functions = [] - - for api, methods in self.runtime_config.type_registry["runtime_api"].items(): - for method in methods["methods"].keys(): - call_functions.append( - await self.get_metadata_runtime_call_function(api, method) - ) - - return call_functions - - async def get_metadata_runtime_call_function( - self, api: str, method: str - ) -> GenericRuntimeCallDefinition: - """ - Get details of a runtime API call - - Args: - api: Name of the runtime API e.g. 'TransactionPaymentApi' - method: Name of the method e.g. 'query_fee_details' - - Returns: - runtime call function - """ - if not self.__metadata: - await self.init_runtime() - - try: - runtime_call_def = self.runtime_config.type_registry["runtime_api"][api][ - "methods" - ][method] - runtime_call_def["api"] = api - runtime_call_def["method"] = method - runtime_api_types = self.runtime_config.type_registry["runtime_api"][ - api - ].get("types", {}) - except KeyError: - raise ValueError(f"Runtime API Call '{api}.{method}' not found in registry") - - # Add runtime API types to registry - self.runtime_config.update_type_registry_types(runtime_api_types) - - runtime_call_def_obj = await self.create_scale_object("RuntimeCallDefinition") - runtime_call_def_obj.encode(runtime_call_def) - - return runtime_call_def_obj - - async def _get_block_handler( - self, - block_hash: str, - ignore_decoding_errors: bool = False, - include_author: bool = False, - header_only: bool = False, - finalized_only: bool = False, - subscription_handler: Optional[Callable[[dict], Awaitable[Any]]] = None, - ): - try: - await self.init_runtime(block_hash=block_hash) - except BlockNotFound: - return None - - async def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: - if block_data: - if block_data_hash: - block_data["header"]["hash"] = block_data_hash - - if isinstance(block_data["header"]["number"], str): - # Convert block number from hex (backwards compatibility) - block_data["header"]["number"] = int( - block_data["header"]["number"], 16 - ) - - extrinsic_cls = self.runtime_config.get_decoder_class("Extrinsic") - - if "extrinsics" in block_data: - for idx, extrinsic_data in enumerate(block_data["extrinsics"]): - try: - extrinsic_decoder = extrinsic_cls( - data=ScaleBytes(extrinsic_data), - metadata=self.__metadata, - runtime_config=self.runtime_config, - ) - extrinsic_decoder.decode(check_remaining=True) - block_data["extrinsics"][idx] = extrinsic_decoder - - except Exception: - if not ignore_decoding_errors: - raise - block_data["extrinsics"][idx] = None - - for idx, log_data in enumerate(block_data["header"]["digest"]["logs"]): - if isinstance(log_data, str): - # Convert digest log from hex (backwards compatibility) - try: - log_digest_cls = self.runtime_config.get_decoder_class( - "sp_runtime::generic::digest::DigestItem" - ) - - if log_digest_cls is None: - raise NotImplementedError( - "No decoding class found for 'DigestItem'" - ) - - log_digest = log_digest_cls(data=ScaleBytes(log_data)) - log_digest.decode( - check_remaining=self.config.get("strict_scale_decode") - ) - - block_data["header"]["digest"]["logs"][idx] = log_digest - - if include_author and "PreRuntime" in log_digest.value: - if self.implements_scaleinfo: - engine = bytes(log_digest[1][0]) - # Retrieve validator set - parent_hash = block_data["header"]["parentHash"] - validator_set = await self.query( - "Session", "Validators", block_hash=parent_hash - ) - - if engine == b"BABE": - babe_predigest = ( - self.runtime_config.create_scale_object( - type_string="RawBabePreDigest", - data=ScaleBytes( - bytes(log_digest[1][1]) - ), - ) - ) - - babe_predigest.decode( - check_remaining=self.config.get( - "strict_scale_decode" - ) - ) - - rank_validator = babe_predigest[1].value[ - "authority_index" - ] - - block_author = validator_set[rank_validator] - block_data["author"] = block_author.value - - elif engine == b"aura": - aura_predigest = ( - self.runtime_config.create_scale_object( - type_string="RawAuraPreDigest", - data=ScaleBytes( - bytes(log_digest[1][1]) - ), - ) - ) - - aura_predigest.decode(check_remaining=True) - - rank_validator = aura_predigest.value[ - "slot_number" - ] % len(validator_set) - - block_author = validator_set[rank_validator] - block_data["author"] = block_author.value - else: - raise NotImplementedError( - f"Cannot extract author for engine {log_digest.value['PreRuntime'][0]}" - ) - else: - if ( - log_digest.value["PreRuntime"]["engine"] - == "BABE" - ): - validator_set = await self.query( - "Session", - "Validators", - block_hash=block_hash, - ) - rank_validator = log_digest.value["PreRuntime"][ - "data" - ]["authority_index"] - - block_author = validator_set.elements[ - rank_validator - ] - block_data["author"] = block_author.value - else: - raise NotImplementedError( - f"Cannot extract author for engine" - f" {log_digest.value['PreRuntime']['engine']}" - ) - - except Exception: - if not ignore_decoding_errors: - raise - block_data["header"]["digest"]["logs"][idx] = None - - return block_data - - if callable(subscription_handler): - rpc_method_prefix = "Finalized" if finalized_only else "New" - - async def result_handler( - message: dict, subscription_id: str - ) -> tuple[Any, bool]: - reached = False - subscription_result = None - if "params" in message: - new_block = await decode_block( - {"header": message["params"]["result"]} - ) - - subscription_result = await subscription_handler(new_block) - - if subscription_result is not None: - reached = True - # Handler returned end result: unsubscribe from further updates - self._forgettable_task = asyncio.create_task( - self.rpc_request( - f"chain_unsubscribe{rpc_method_prefix}Heads", - [subscription_id], - ) - ) - - return subscription_result, reached - - result = await self._make_rpc_request( - [ - self.make_payload( - "_get_block_handler", - f"chain_subscribe{rpc_method_prefix}Heads", - [], - ) - ], - result_handler=result_handler, - ) - - return result["_get_block_handler"][-1] - - else: - if header_only: - response = await self.rpc_request("chain_getHeader", [block_hash]) - return await decode_block( - {"header": response["result"]}, block_data_hash=block_hash - ) - - else: - response = await self.rpc_request("chain_getBlock", [block_hash]) - return await decode_block( - response["result"]["block"], block_data_hash=block_hash - ) - - async def get_block( - self, - block_hash: Optional[str] = None, - block_number: Optional[int] = None, - ignore_decoding_errors: bool = False, - include_author: bool = False, - finalized_only: bool = False, - ) -> Optional[dict]: - """ - Retrieves a block and decodes its containing extrinsics and log digest items. If `block_hash` and `block_number` - is omitted the chain tip will be retrieved, or the finalized head if `finalized_only` is set to true. - - Either `block_hash` or `block_number` should be set, or both omitted. - - Args: - block_hash: the hash of the block to be retrieved - block_number: the block number to retrieved - ignore_decoding_errors: When set this will catch all decoding errors, set the item to None and continue - decoding - include_author: This will retrieve the block author from the validator set and add to the result - finalized_only: when no `block_hash` or `block_number` is set, this will retrieve the finalized head - - Returns: - A dict containing the extrinsic and digest logs data - """ - if block_hash and block_number: - raise ValueError("Either block_hash or block_number should be set") - - if block_number is not None: - block_hash = await self.get_block_hash(block_number) - - if block_hash is None: - return - - if block_hash and finalized_only: - raise ValueError( - "finalized_only cannot be True when block_hash is provided" - ) - - if block_hash is None: - # Retrieve block hash - if finalized_only: - block_hash = await self.get_chain_finalised_head() - else: - block_hash = await self.get_chain_head() - - return await self._get_block_handler( - block_hash=block_hash, - ignore_decoding_errors=ignore_decoding_errors, - header_only=False, - include_author=include_author, - ) - - async def get_block_header( - self, - block_hash: Optional[str] = None, - block_number: Optional[int] = None, - ignore_decoding_errors: bool = False, - include_author: bool = False, - finalized_only: bool = False, - ) -> dict: - """ - Retrieves a block header and decodes its containing log digest items. If `block_hash` and `block_number` - is omitted the chain tip will be retrieved, or the finalized head if `finalized_only` is set to true. - - Either `block_hash` or `block_number` should be set, or both omitted. - - See `get_block()` to also include the extrinsics in the result - - Args: - block_hash: the hash of the block to be retrieved - block_number: the block number to retrieved - ignore_decoding_errors: When set this will catch all decoding errors, set the item to None and continue - decoding - include_author: This will retrieve the block author from the validator set and add to the result - finalized_only: when no `block_hash` or `block_number` is set, this will retrieve the finalized head - - Returns: - A dict containing the header and digest logs data - """ - if block_hash and block_number: - raise ValueError("Either block_hash or block_number should be be set") - - if block_number is not None: - block_hash = await self.get_block_hash(block_number) - - if block_hash is None: - return - - if block_hash and finalized_only: - raise ValueError( - "finalized_only cannot be True when block_hash is provided" - ) - - if block_hash is None: - # Retrieve block hash - if finalized_only: - block_hash = await self.get_chain_finalised_head() - else: - block_hash = await self.get_chain_head() - - else: - # Check conflicting scenarios - if finalized_only: - raise ValueError( - "finalized_only cannot be True when block_hash is provided" - ) - - return await self._get_block_handler( - block_hash=block_hash, - ignore_decoding_errors=ignore_decoding_errors, - header_only=True, - include_author=include_author, - ) - - async def subscribe_block_headers( - self, - subscription_handler: callable, - ignore_decoding_errors: bool = False, - include_author: bool = False, - finalized_only=False, - ): - """ - Subscribe to new block headers as soon as they are available. The callable `subscription_handler` will be - executed when a new block is available and execution will block until `subscription_handler` will return - a result other than `None`. - - Example: - - ``` - async def subscription_handler(obj, update_nr, subscription_id): - - print(f"New block #{obj['header']['number']} produced by {obj['header']['author']}") - - if update_nr > 10 - return {'message': 'Subscription will cancel when a value is returned', 'updates_processed': update_nr} - - - result = await substrate.subscribe_block_headers(subscription_handler, include_author=True) - ``` - - Args: - subscription_handler: the coroutine as explained above - ignore_decoding_errors: When set this will catch all decoding errors, set the item to `None` and continue - decoding - include_author: This will retrieve the block author from the validator set and add to the result - finalized_only: when no `block_hash` or `block_number` is set, this will retrieve the finalized head - - Returns: - Value return by `subscription_handler` - """ - # Retrieve block hash - if finalized_only: - block_hash = await self.get_chain_finalised_head() - else: - block_hash = await self.get_chain_head() - - return await self._get_block_handler( - block_hash, - subscription_handler=subscription_handler, - ignore_decoding_errors=ignore_decoding_errors, - include_author=include_author, - finalized_only=finalized_only, - ) - - async def retrieve_extrinsic_by_identifier( - self, extrinsic_identifier: str - ) -> "AsyncExtrinsicReceipt": - """ - Retrieve an extrinsic by its identifier in format "[block_number]-[extrinsic_index]" e.g. 333456-4 - - Args: - extrinsic_identifier: "[block_number]-[extrinsic_idx]" e.g. 134324-2 - - Returns: - ExtrinsicReceiptLike object of the extrinsic - """ - return await self.extrinsic_receipt_cls.create_from_extrinsic_identifier( - substrate=self, extrinsic_identifier=extrinsic_identifier - ) - - def retrieve_extrinsic_by_hash( - self, block_hash: str, extrinsic_hash: str - ) -> "AsyncExtrinsicReceipt": - """ - Retrieve an extrinsic by providing the block_hash and the extrinsic hash - - Args: - block_hash: hash of the blockchain block where the extrinsic is located - extrinsic_hash: hash of the extrinsic - - Returns: - ExtrinsicReceiptLike of the extrinsic - """ - return self.extrinsic_receipt_cls( - substrate=self, block_hash=block_hash, extrinsic_hash=extrinsic_hash - ) - - async def get_extrinsics( - self, block_hash: str = None, block_number: int = None - ) -> Optional[list["AsyncExtrinsicReceipt"]]: - """ - Return all extrinsics for given block_hash or block_number - - Args: - block_hash: hash of the blockchain block to retrieve extrinsics for - block_number: block number to retrieve extrinsics for - - Returns: - ExtrinsicReceipts of the extrinsics for the block, if any. - """ - block = await self.get_block(block_hash=block_hash, block_number=block_number) - if block: - return block["extrinsics"] - - async def get_events(self, block_hash: Optional[str] = None) -> list: - """ - Convenience method to get events for a certain block (storage call for module 'System' and function 'Events') - - Args: - block_hash: the hash of the block to be retrieved - - Returns: - list of events - """ - - def convert_event_data(data): - # Extract phase information - phase_key, phase_value = next(iter(data["phase"].items())) - try: - extrinsic_idx = phase_value[0] - except IndexError: - extrinsic_idx = None - - # Extract event details - module_id, event_data = next(iter(data["event"].items())) - event_id, attributes_data = next(iter(event_data[0].items())) - - # Convert class and pays_fee dictionaries to their string equivalents if they exist - attributes = attributes_data - if isinstance(attributes, dict): - for key, value in attributes.items(): - if isinstance(value, dict): - # Convert nested single-key dictionaries to their keys as strings - sub_key = next(iter(value.keys())) - if value[sub_key] == (): - attributes[key] = sub_key - - # Create the converted dictionary - converted = { - "phase": phase_key, - "extrinsic_idx": extrinsic_idx, - "event": { - "module_id": module_id, - "event_id": event_id, - "attributes": attributes, - }, - "topics": list(data["topics"]), # Convert topics tuple to a list - } - - return converted - - events = [] - - if not block_hash: - block_hash = await self.get_chain_head() - - storage_obj = await self.query( - module="System", storage_function="Events", block_hash=block_hash - ) - if storage_obj: - for item in list(storage_obj): - events.append(convert_event_data(item)) - return events - - async def get_block_runtime_version(self, block_hash: str) -> dict: - """ - Retrieve the runtime version id of given block_hash - """ - response = await self.rpc_request("state_getRuntimeVersion", [block_hash]) - return response.get("result") - - async def get_block_metadata( - self, block_hash: Optional[str] = None, decode: bool = True - ) -> Optional[Union[dict, ScaleType]]: - """ - A pass-though to existing JSONRPC method `state_getMetadata`. - - Args: - block_hash: the hash of the block to be queried against - decode: Whether to decode the metadata or present it raw - - Returns: - metadata, either as a dict (not decoded) or ScaleType (decoded); None if there was no response - from the server - """ - params = None - if decode and not self.runtime_config: - raise ValueError( - "Cannot decode runtime configuration without a supplied runtime_config" - ) - - if block_hash: - params = [block_hash] - response = await self.rpc_request("state_getMetadata", params) - - if "error" in response: - raise SubstrateRequestException(response["error"]["message"]) - - if (result := response.get("result")) and decode: - metadata_decoder = self.runtime_config.create_scale_object( - "MetadataVersioned", data=ScaleBytes(result) - ) - metadata_decoder.decode() - - return metadata_decoder - else: - return result - - async def _preprocess( - self, - query_for: Optional[list], - block_hash: Optional[str], - storage_function: str, - module: str, - raw_storage_key: Optional[bytes] = None, - ) -> Preprocessed: - """ - Creates a Preprocessed data object for passing to `_make_rpc_request` - """ - params = query_for if query_for else [] - # Search storage call in metadata - metadata_pallet = self.__metadata.get_metadata_pallet(module) - - if not metadata_pallet: - raise SubstrateRequestException(f'Pallet "{module}" not found') - - storage_item = metadata_pallet.get_storage_function(storage_function) - - if not metadata_pallet or not storage_item: - raise SubstrateRequestException( - f'Storage function "{module}.{storage_function}" not found' - ) - - # SCALE type string of value - param_types = storage_item.get_params_type_string() - value_scale_type = storage_item.get_value_type_string() - - if len(params) != len(param_types): - raise ValueError( - f"Storage function requires {len(param_types)} parameters, {len(params)} given" - ) - - if raw_storage_key: - storage_key = StorageKey.create_from_data( - data=raw_storage_key, - pallet=module, - storage_function=storage_function, - value_scale_type=value_scale_type, - metadata=self.metadata, - runtime_config=self.runtime_config, - ) - else: - storage_key = StorageKey.create_from_storage_function( - module, - storage_item.value["name"], - params, - runtime_config=self.runtime_config, - metadata=self.__metadata, - ) - method = "state_getStorageAt" - return Preprocessed( - str(query_for), - method, - [storage_key.to_hex(), block_hash], - value_scale_type, - storage_item, - ) - - async def _process_response( - self, - response: dict, - subscription_id: Union[int, str], - value_scale_type: Optional[str] = None, - storage_item: Optional[ScaleType] = None, - runtime: Optional[Runtime] = None, - result_handler: Optional[ResultHandler] = None, - ) -> tuple[Any, bool]: - """ - Processes the RPC call response by decoding it, returning it as is, or setting a handler for subscriptions, - depending on the specific call. - - Args: - response: the RPC call response - subscription_id: the subscription id for subscriptions, used only for subscriptions with a result handler - value_scale_type: Scale Type string used for decoding ScaleBytes results - storage_item: The ScaleType object used for decoding ScaleBytes results - runtime: the runtime object, used for decoding ScaleBytes results - result_handler: the result handler coroutine used for handling longer-running subscriptions - - Returns: - (decoded response, completion) - """ - result: Union[dict, ScaleType] = response - if value_scale_type and isinstance(storage_item, ScaleType): - if (response_result := response.get("result")) is not None: - query_value = response_result - elif storage_item.value["modifier"] == "Default": - # Fallback to default value of storage function if no result - query_value = storage_item.value_object["default"].value_object - else: - # No result is interpreted as an Option<...> result - value_scale_type = f"Option<{value_scale_type}>" - query_value = storage_item.value_object["default"].value_object - if isinstance(query_value, str): - q = bytes.fromhex(query_value[2:]) - elif isinstance(query_value, bytearray): - q = bytes(query_value) - else: - q = query_value - result = await self.decode_scale(value_scale_type, q) - if asyncio.iscoroutinefunction(result_handler): - # For multipart responses as a result of subscriptions. - message, bool_result = await result_handler(result, subscription_id) - return message, bool_result - return result, True - - async def _make_rpc_request( - self, - payloads: list[dict], - value_scale_type: Optional[str] = None, - storage_item: Optional[ScaleType] = None, - runtime: Optional[Runtime] = None, - result_handler: Optional[ResultHandler] = None, - attempt: int = 1, - ) -> RequestManager.RequestResults: - request_manager = RequestManager(payloads) - - subscription_added = False - - async with self.ws as ws: - if len(payloads) > 1: - send_coroutines = await asyncio.gather( - *[ws.send(item["payload"]) for item in payloads] - ) - for item_id, item in zip(send_coroutines, payloads): - request_manager.add_request(item_id, item["id"]) - else: - item = payloads[0] - item_id = await ws.send(item["payload"]) - request_manager.add_request(item_id, item["id"]) - - while True: - for item_id in list(request_manager.response_map.keys()): - if ( - item_id not in request_manager.responses - or asyncio.iscoroutinefunction(result_handler) - ): - if response := await ws.retrieve(item_id): - if ( - asyncio.iscoroutinefunction(result_handler) - and not subscription_added - ): - # handles subscriptions, overwrites the previous mapping of {item_id : payload_id} - # with {subscription_id : payload_id} - try: - item_id = request_manager.overwrite_request( - item_id, response["result"] - ) - subscription_added = True - except KeyError: - raise SubstrateRequestException(str(response)) - decoded_response, complete = await self._process_response( - response, - item_id, - value_scale_type, - storage_item, - runtime, - result_handler, - ) - request_manager.add_response( - item_id, decoded_response, complete - ) - - if request_manager.is_complete: - break - if time.time() - self.ws.last_received >= self.retry_timeout: - if attempt >= self.max_retries: - logging.warning( - f"Timed out waiting for RPC requests {attempt} times. Exiting." - ) - raise SubstrateRequestException("Max retries reached.") - else: - self.ws.last_received = time.time() - await self.ws.connect(force=True) - logging.error( - f"Timed out waiting for RPC requests. " - f"Retrying attempt {attempt + 1} of {self.max_retries}" - ) - return await self._make_rpc_request( - payloads, - value_scale_type, - storage_item, - runtime, - result_handler, - attempt + 1, - ) - - return request_manager.get_results() - - @a.lru_cache(maxsize=512) # RPC methods are unlikely to change often - async def supports_rpc_method(self, name: str) -> bool: - """ - Check if substrate RPC supports given method - Parameters - ---------- - name: name of method to check - - Returns - ------- - bool - """ - result = (await self.rpc_request("rpc_methods", [])).get("result") - if result: - self.config["rpc_methods"] = result.get("methods", []) - - return name in self.config["rpc_methods"] - - async def rpc_request( - self, - method: str, - params: Optional[list], - block_hash: Optional[str] = None, - reuse_block_hash: bool = False, - ) -> Any: - """ - Makes an RPC request to the subtensor. Use this only if `self.query`` and `self.query_multiple` and - `self.query_map` do not meet your needs. - - Args: - method: str the method in the RPC request - params: list of the params in the RPC request - block_hash: the hash of the block — only supply this if not supplying the block - hash in the params, and not reusing the block hash - reuse_block_hash: whether to reuse the block hash in the params — only mark as True - if not supplying the block hash in the params, or via the `block_hash` parameter - - Returns: - the response from the RPC request - """ - block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) - params = params or [] - payload_id = f"{method}{random.randint(0, 7000)}" - payloads = [ - self.make_payload( - payload_id, - method, - params + [block_hash] if block_hash else params, - ) - ] - runtime = Runtime( - self.chain, - self.runtime_config, - self.__metadata, - self.type_registry, - ) - result = await self._make_rpc_request(payloads, runtime=runtime) - if "error" in result[payload_id][0]: - if ( - "Failed to get runtime version" - in result[payload_id][0]["error"]["message"] - ): - logging.warning( - "Failed to get runtime. Re-fetching from chain, and retrying." - ) - await self.init_runtime() - return await self.rpc_request( - method, params, block_hash, reuse_block_hash - ) - raise SubstrateRequestException(result[payload_id][0]["error"]["message"]) - if "result" in result[payload_id][0]: - return result[payload_id][0] - else: - raise SubstrateRequestException(result[payload_id][0]) - - async def get_block_hash(self, block_id: int) -> str: - return (await self.rpc_request("chain_getBlockHash", [block_id]))["result"] - - async def get_chain_head(self) -> str: - result = await self._make_rpc_request( - [ - self.make_payload( - "rpc_request", - "chain_getHead", - [], - ) - ], - runtime=Runtime( - self.chain, - self.runtime_config, - self.__metadata, - self.type_registry, - ), - ) - self.last_block_hash = result["rpc_request"][0]["result"] - return result["rpc_request"][0]["result"] - - async def compose_call( - self, - call_module: str, - call_function: str, - call_params: Optional[dict] = None, - block_hash: Optional[str] = None, - ) -> GenericCall: - """ - Composes a call payload which can be used in an extrinsic. - - Args: - call_module: Name of the runtime module e.g. Balances - call_function: Name of the call function e.g. transfer - call_params: This is a dict containing the params of the call. e.g. - `{'dest': 'EaG2CRhJWPb7qmdcJvy3LiWdh26Jreu9Dx6R1rXxPmYXoDk', 'value': 1000000000000}` - block_hash: Use metadata at given block_hash to compose call - - Returns: - A composed call - """ - if call_params is None: - call_params = {} - - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - call = self.runtime_config.create_scale_object( - type_string="Call", metadata=self.__metadata - ) - - call.encode( - { - "call_module": call_module, - "call_function": call_function, - "call_args": call_params, - } - ) - - return call - - async def query_multiple( - self, - params: list, - storage_function: str, - module: str, - block_hash: Optional[str] = None, - reuse_block_hash: bool = False, - ) -> dict[str, ScaleType]: - """ - Queries the subtensor. Only use this when making multiple queries, else use ``self.query`` - """ - # By allowing for specifying the block hash, users, if they have multiple query types they want - # to do, can simply query the block hash first, and then pass multiple query_subtensor calls - # into an asyncio.gather, with the specified block hash - block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) - if block_hash: - self.last_block_hash = block_hash - if not self.__metadata or block_hash: - runtime = await self.init_runtime(block_hash=block_hash) - else: - runtime = self.runtime - preprocessed: tuple[Preprocessed] = await asyncio.gather( - *[ - self._preprocess([x], block_hash, storage_function, module) - for x in params - ] - ) - all_info = [ - self.make_payload(item.queryable, item.method, item.params) - for item in preprocessed - ] - # These will always be the same throughout the preprocessed list, so we just grab the first one - value_scale_type = preprocessed[0].value_scale_type - storage_item = preprocessed[0].storage_item - - responses = await self._make_rpc_request( - all_info, value_scale_type, storage_item, runtime - ) - return { - param: responses[p.queryable][0] for (param, p) in zip(params, preprocessed) - } - - async def query_multi( - self, storage_keys: list[StorageKey], block_hash: Optional[str] = None - ) -> list: - """ - Query multiple storage keys in one request. - - Example: - - ``` - storage_keys = [ - substrate.create_storage_key( - "System", "Account", ["F4xQKRUagnSGjFqafyhajLs94e7Vvzvr8ebwYJceKpr8R7T"] - ), - substrate.create_storage_key( - "System", "Account", ["GSEX8kR4Kz5UZGhvRUCJG93D5hhTAoVZ5tAe6Zne7V42DSi"] - ) - ] - - result = substrate.query_multi(storage_keys) - ``` - - Args: - storage_keys: list of StorageKey objects - block_hash: hash of the block to query against - - Returns: - list of `(storage_key, scale_obj)` tuples - """ - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - # Retrieve corresponding value - response = await self.rpc_request( - "state_queryStorageAt", [[s.to_hex() for s in storage_keys], block_hash] - ) - - if "error" in response: - raise SubstrateRequestException(response["error"]["message"]) - - result = [] - - storage_key_map = {s.to_hex(): s for s in storage_keys} - - for result_group in response["result"]: - for change_storage_key, change_data in result_group["changes"]: - # Decode result for specified storage_key - storage_key = storage_key_map[change_storage_key] - if change_data is None: - change_data = b"\x00" - else: - change_data = bytes.fromhex(change_data[2:]) - result.append( - ( - storage_key, - await self.decode_scale( - storage_key.value_scale_type, change_data - ), - ) - ) - - return result - - async def create_scale_object( - self, - type_string: str, - data: Optional[ScaleBytes] = None, - block_hash: Optional[str] = None, - **kwargs, - ) -> "ScaleType": - """ - Convenience method to create a SCALE object of type `type_string`, this will initialize the runtime - automatically at moment of `block_hash`, or chain tip if omitted. - - Args: - type_string: Name of SCALE type to create - data: ScaleBytes: ScaleBytes to decode - block_hash: block hash for moment of decoding, when omitted the chain tip will be used - kwargs: keyword args for the Scale Type constructor - - Returns: - The created Scale Type object - """ - if not self.__metadata or block_hash: - runtime = await self.init_runtime(block_hash=block_hash) - else: - runtime = self.runtime - if "metadata" not in kwargs: - kwargs["metadata"] = runtime.metadata - - return runtime.runtime_config.create_scale_object( - type_string, data=data, **kwargs - ) - - async def generate_signature_payload( - self, - call: GenericCall, - era=None, - nonce: int = 0, - tip: int = 0, - tip_asset_id: Optional[int] = None, - include_call_length: bool = False, - ) -> ScaleBytes: - # Retrieve genesis hash - genesis_hash = await self.get_block_hash(0) - - if not era: - era = "00" - - if era == "00": - # Immortal extrinsic - block_hash = genesis_hash - else: - # Determine mortality of extrinsic - era_obj = self.runtime_config.create_scale_object("Era") - - if isinstance(era, dict) and "current" not in era and "phase" not in era: - raise ValueError( - 'The era dict must contain either "current" or "phase" element to encode a valid era' - ) - - era_obj.encode(era) - block_hash = await self.get_block_hash( - block_id=era_obj.birth(era.get("current")) - ) - - # Create signature payload - signature_payload = self.runtime_config.create_scale_object( - "ExtrinsicPayloadValue" - ) - - # Process signed extensions in metadata - if "signed_extensions" in self.__metadata[1][1]["extrinsic"]: - # Base signature payload - signature_payload.type_mapping = [["call", "CallBytes"]] - - # Add signed extensions to payload - signed_extensions = self.__metadata.get_signed_extensions() - - if "CheckMortality" in signed_extensions: - signature_payload.type_mapping.append( - ["era", signed_extensions["CheckMortality"]["extrinsic"]] - ) - - if "CheckEra" in signed_extensions: - signature_payload.type_mapping.append( - ["era", signed_extensions["CheckEra"]["extrinsic"]] - ) - - if "CheckNonce" in signed_extensions: - signature_payload.type_mapping.append( - ["nonce", signed_extensions["CheckNonce"]["extrinsic"]] - ) - - if "ChargeTransactionPayment" in signed_extensions: - signature_payload.type_mapping.append( - ["tip", signed_extensions["ChargeTransactionPayment"]["extrinsic"]] - ) - - if "ChargeAssetTxPayment" in signed_extensions: - signature_payload.type_mapping.append( - ["asset_id", signed_extensions["ChargeAssetTxPayment"]["extrinsic"]] - ) - - if "CheckMetadataHash" in signed_extensions: - signature_payload.type_mapping.append( - ["mode", signed_extensions["CheckMetadataHash"]["extrinsic"]] - ) - - if "CheckSpecVersion" in signed_extensions: - signature_payload.type_mapping.append( - [ - "spec_version", - signed_extensions["CheckSpecVersion"]["additional_signed"], - ] - ) - - if "CheckTxVersion" in signed_extensions: - signature_payload.type_mapping.append( - [ - "transaction_version", - signed_extensions["CheckTxVersion"]["additional_signed"], - ] - ) - - if "CheckGenesis" in signed_extensions: - signature_payload.type_mapping.append( - [ - "genesis_hash", - signed_extensions["CheckGenesis"]["additional_signed"], - ] - ) - - if "CheckMortality" in signed_extensions: - signature_payload.type_mapping.append( - [ - "block_hash", - signed_extensions["CheckMortality"]["additional_signed"], - ] - ) - - if "CheckEra" in signed_extensions: - signature_payload.type_mapping.append( - ["block_hash", signed_extensions["CheckEra"]["additional_signed"]] - ) - - if "CheckMetadataHash" in signed_extensions: - signature_payload.type_mapping.append( - [ - "metadata_hash", - signed_extensions["CheckMetadataHash"]["additional_signed"], - ] - ) - - if include_call_length: - length_obj = self.runtime_config.create_scale_object("Bytes") - call_data = str(length_obj.encode(str(call.data))) - - else: - call_data = str(call.data) - - payload_dict = { - "call": call_data, - "era": era, - "nonce": nonce, - "tip": tip, - "spec_version": self.runtime_version, - "genesis_hash": genesis_hash, - "block_hash": block_hash, - "transaction_version": self.transaction_version, - "asset_id": {"tip": tip, "asset_id": tip_asset_id}, - "metadata_hash": None, - "mode": "Disabled", - } - - signature_payload.encode(payload_dict) - - if signature_payload.data.length > 256: - return ScaleBytes( - data=blake2b(signature_payload.data.data, digest_size=32).digest() - ) - - return signature_payload.data - - async def create_signed_extrinsic( - self, - call: GenericCall, - keypair: Keypair, - era: Optional[dict] = None, - nonce: Optional[int] = None, - tip: int = 0, - tip_asset_id: Optional[int] = None, - signature: Optional[Union[bytes, str]] = None, - ) -> "GenericExtrinsic": - """ - Creates an extrinsic signed by given account details - - Args: - call: GenericCall to create extrinsic for - keypair: Keypair used to sign the extrinsic - era: Specify mortality in blocks in follow format: - {'period': [amount_blocks]} If omitted the extrinsic is immortal - nonce: nonce to include in extrinsics, if omitted the current nonce is retrieved on-chain - tip: The tip for the block author to gain priority during network congestion - tip_asset_id: Optional asset ID with which to pay the tip - signature: Optionally provide signature if externally signed - - Returns: - The signed Extrinsic - """ - await self.init_runtime() - - # Check requirements - if not isinstance(call, GenericCall): - raise TypeError("'call' must be of type Call") - - # Check if extrinsic version is supported - if self.__metadata[1][1]["extrinsic"]["version"] != 4: # type: ignore - raise NotImplementedError( - f"Extrinsic version {self.__metadata[1][1]['extrinsic']['version']} not supported" # type: ignore - ) - - # Retrieve nonce - if nonce is None: - nonce = await self.get_account_nonce(keypair.ss58_address) or 0 - - # Process era - if era is None: - era = "00" - else: - if isinstance(era, dict) and "current" not in era and "phase" not in era: - # Retrieve current block id - era["current"] = await self.get_block_number( - await self.get_chain_finalised_head() - ) - - if signature is not None: - if isinstance(signature, str) and signature[0:2] == "0x": - signature = bytes.fromhex(signature[2:]) - - # Check if signature is a MultiSignature and contains signature version - if len(signature) == 65: - signature_version = signature[0] - signature = signature[1:] - else: - signature_version = keypair.crypto_type - - else: - # Create signature payload - signature_payload = await self.generate_signature_payload( - call=call, era=era, nonce=nonce, tip=tip, tip_asset_id=tip_asset_id - ) - - # Set Signature version to crypto type of keypair - signature_version = keypair.crypto_type - - # Sign payload - signature = keypair.sign(signature_payload) - - # Create extrinsic - extrinsic = self.runtime_config.create_scale_object( - type_string="Extrinsic", metadata=self.__metadata - ) - - value = { - "account_id": f"0x{keypair.public_key.hex()}", - "signature": f"0x{signature.hex()}", - "call_function": call.value["call_function"], - "call_module": call.value["call_module"], - "call_args": call.value["call_args"], - "nonce": nonce, - "era": era, - "tip": tip, - "asset_id": {"tip": tip, "asset_id": tip_asset_id}, - "mode": "Disabled", - } - - # Check if ExtrinsicSignature is MultiSignature, otherwise omit signature_version - signature_cls = self.runtime_config.get_decoder_class("ExtrinsicSignature") - if issubclass(signature_cls, self.runtime_config.get_decoder_class("Enum")): - value["signature_version"] = signature_version - - extrinsic.encode(value) - - return extrinsic - - async def get_chain_finalised_head(self): - """ - A pass-though to existing JSONRPC method `chain_getFinalizedHead` - - Returns - ------- - - """ - response = await self.rpc_request("chain_getFinalizedHead", []) - - if response is not None: - if "error" in response: - raise SubstrateRequestException(response["error"]["message"]) - - return response.get("result") - - async def runtime_call( - self, - api: str, - method: str, - params: Optional[Union[list, dict]] = None, - block_hash: Optional[str] = None, - ) -> ScaleType: - """ - Calls a runtime API method - - Args: - api: Name of the runtime API e.g. 'TransactionPaymentApi' - method: Name of the method e.g. 'query_fee_details' - params: List of parameters needed to call the runtime API - block_hash: Hash of the block at which to make the runtime API call - - Returns: - ScaleType from the runtime call - """ - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - if params is None: - params = {} - - try: - runtime_call_def = self.runtime_config.type_registry["runtime_api"][api][ - "methods" - ][method] - runtime_api_types = self.runtime_config.type_registry["runtime_api"][ - api - ].get("types", {}) - except KeyError: - raise ValueError(f"Runtime API Call '{api}.{method}' not found in registry") - - if isinstance(params, list) and len(params) != len(runtime_call_def["params"]): - raise ValueError( - f"Number of parameter provided ({len(params)}) does not " - f"match definition {len(runtime_call_def['params'])}" - ) - - # Add runtime API types to registry - self.runtime_config.update_type_registry_types(runtime_api_types) - runtime = Runtime( - self.chain, - self.runtime_config, - self.__metadata, - self.type_registry, - ) - - # Encode params - param_data = ScaleBytes(bytes()) - for idx, param in enumerate(runtime_call_def["params"]): - scale_obj = runtime.runtime_config.create_scale_object(param["type"]) - if isinstance(params, list): - param_data += scale_obj.encode(params[idx]) - else: - if param["name"] not in params: - raise ValueError(f"Runtime Call param '{param['name']}' is missing") - - param_data += scale_obj.encode(params[param["name"]]) - - # RPC request - result_data = await self.rpc_request( - "state_call", [f"{api}_{method}", str(param_data), block_hash] - ) - - # Decode result - # TODO update this to use bt-decode - result_obj = runtime.runtime_config.create_scale_object( - runtime_call_def["type"] - ) - result_obj.decode( - ScaleBytes(result_data["result"]), - check_remaining=self.config.get("strict_scale_decode"), - ) - - return result_obj - - async def get_account_nonce(self, account_address: str) -> int: - """ - Returns current nonce for given account address - - Args: - account_address: SS58 formatted address - - Returns: - Nonce for given account address - """ - if await self.supports_rpc_method("state_call"): - nonce_obj = await self.runtime_call( - "AccountNonceApi", "account_nonce", [account_address] - ) - return getattr(nonce_obj, "value", nonce_obj) - else: - response = await self.query( - module="System", storage_function="Account", params=[account_address] - ) - return response["nonce"] - - async def get_account_next_index(self, account_address: str) -> int: - """ - Returns next index for the given account address, taking into account the transaction pool. - - Args: - account_address: SS58 formatted address - - Returns: - Next index for the given account address - """ - if not await self.supports_rpc_method("account_nextIndex"): - # Unlikely to happen, this is a common RPC method - raise Exception("account_nextIndex not supported") - - nonce_obj = await self.rpc_request("account_nextIndex", [account_address]) - return nonce_obj["result"] - - async def get_metadata_constant(self, module_name, constant_name, block_hash=None): - """ - Retrieves the details of a constant for given module name, call function name and block_hash - (or chaintip if block_hash is omitted) - - Args: - module_name: name of the module you are querying - constant_name: name of the constant you are querying - block_hash: hash of the block at which to make the runtime API call - - Returns: - MetadataModuleConstants - """ - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - for module in self.__metadata.pallets: - if module_name == module.name and module.constants: - for constant in module.constants: - if constant_name == constant.value["name"]: - return constant - - async def get_constant( - self, - module_name: str, - constant_name: str, - block_hash: Optional[str] = None, - reuse_block_hash: bool = False, - ) -> Optional["ScaleType"]: - """ - Returns the decoded `ScaleType` object of the constant for given module name, call function name and block_hash - (or chaintip if block_hash is omitted) - - Args: - module_name: Name of the module to query - constant_name: Name of the constant to query - block_hash: Hash of the block at which to make the runtime API call - reuse_block_hash: Reuse last-used block hash if set to true - - Returns: - ScaleType from the runtime call - """ - block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) - constant = await self.get_metadata_constant( - module_name, constant_name, block_hash=block_hash - ) - if constant: - # Decode to ScaleType - return await self.decode_scale( - constant.type, bytes(constant.constant_value), return_scale_obj=True - ) - else: - return None - - async def get_payment_info( - self, call: GenericCall, keypair: Keypair - ) -> dict[str, Any]: - """ - Retrieves fee estimation via RPC for given extrinsic - - Args: - call: Call object to estimate fees for - keypair: Keypair of the sender, does not have to include private key because no valid signature is - required - - Returns: - Dict with payment info - E.g. `{'class': 'normal', 'partialFee': 151000000, 'weight': {'ref_time': 143322000}}` - - """ - - # Check requirements - if not isinstance(call, GenericCall): - raise TypeError("'call' must be of type Call") - - if not isinstance(keypair, Keypair): - raise TypeError("'keypair' must be of type Keypair") - - # No valid signature is required for fee estimation - signature = "0x" + "00" * 64 - - # Create extrinsic - extrinsic = await self.create_signed_extrinsic( - call=call, keypair=keypair, signature=signature - ) - extrinsic_len = self.runtime_config.create_scale_object("u32") - extrinsic_len.encode(len(extrinsic.data)) - - result = await self.runtime_call( - "TransactionPaymentApi", "query_info", [extrinsic, extrinsic_len] - ) - - return result.value - - async def get_type_registry( - self, block_hash: str = None, max_recursion: int = 4 - ) -> dict: - """ - Generates an exhaustive list of which RUST types exist in the runtime specified at given block_hash (or - chaintip if block_hash is omitted) - - MetadataV14 or higher is required. - - Args: - block_hash: Chaintip will be used if block_hash is omitted - max_recursion: Increasing recursion will provide more detail but also has impact on performance - - Returns: - dict mapping the type strings to the type decompositions - """ - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - if not self.implements_scaleinfo: - raise NotImplementedError("MetadataV14 or higher runtimes is required") - - type_registry = {} - - for scale_info_type in self.metadata.portable_registry["types"]: - if ( - "path" in scale_info_type.value["type"] - and len(scale_info_type.value["type"]["path"]) > 0 - ): - type_string = "::".join(scale_info_type.value["type"]["path"]) - else: - type_string = f"scale_info::{scale_info_type.value['id']}" - - scale_cls = self.runtime_config.get_decoder_class(type_string) - type_registry[type_string] = scale_cls.generate_type_decomposition( - max_recursion=max_recursion - ) - - return type_registry - - async def get_type_definition( - self, type_string: str, block_hash: str = None - ) -> str: - """ - Retrieves SCALE encoding specifications of given type_string - - Args: - type_string: RUST variable type, e.g. Vec
or scale_info::0 - block_hash: hash of the blockchain block - - Returns: - type decomposition - """ - scale_obj = await self.create_scale_object(type_string, block_hash=block_hash) - return scale_obj.generate_type_decomposition() - - async def get_metadata_modules(self, block_hash=None) -> list[dict[str, Any]]: - """ - Retrieves a list of modules in metadata for given block_hash (or chaintip if block_hash is omitted) - - Args: - block_hash: hash of the blockchain block - - Returns: - List of metadata modules - """ - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - return [ - { - "metadata_index": idx, - "module_id": module.get_identifier(), - "name": module.name, - "spec_version": self.runtime_version, - "count_call_functions": len(module.calls or []), - "count_storage_functions": len(module.storage or []), - "count_events": len(module.events or []), - "count_constants": len(module.constants or []), - "count_errors": len(module.errors or []), - } - for idx, module in enumerate(self.metadata.pallets) - ] - - async def get_metadata_module(self, name, block_hash=None) -> ScaleType: - """ - Retrieves modules in metadata by name for given block_hash (or chaintip if block_hash is omitted) - - Args: - name: Name of the module - block_hash: hash of the blockchain block - - Returns: - MetadataModule - """ - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - return self.metadata.get_metadata_pallet(name) - - async def query( - self, - module: str, - storage_function: str, - params: Optional[list] = None, - block_hash: Optional[str] = None, - raw_storage_key: Optional[bytes] = None, - subscription_handler=None, - reuse_block_hash: bool = False, - ) -> Optional[Union["ScaleObj", Any]]: - """ - Queries substrate. This should only be used when making a single request. For multiple requests, - you should use `self.query_multiple` - """ - block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) - if block_hash: - self.last_block_hash = block_hash - if not self.__metadata or block_hash: - runtime = await self.init_runtime(block_hash=block_hash) - else: - runtime = self.runtime - preprocessed: Preprocessed = await self._preprocess( - params, block_hash, storage_function, module, raw_storage_key - ) - payload = [ - self.make_payload( - preprocessed.queryable, preprocessed.method, preprocessed.params - ) - ] - value_scale_type = preprocessed.value_scale_type - storage_item = preprocessed.storage_item - - responses = await self._make_rpc_request( - payload, - value_scale_type, - storage_item, - runtime, - result_handler=subscription_handler, - ) - result = responses[preprocessed.queryable][0] - if isinstance(result, (list, tuple, int, float)): - return ScaleObj(result) - return result - - async def query_map( - self, - module: str, - storage_function: str, - params: Optional[list] = None, - block_hash: Optional[str] = None, - max_results: Optional[int] = None, - start_key: Optional[str] = None, - page_size: int = 100, - ignore_decoding_errors: bool = False, - reuse_block_hash: bool = False, - ) -> QueryMapResult: - """ - Iterates over all key-pairs located at the given module and storage_function. The storage - item must be a map. - - Example: - - ``` - result = await substrate.query_map('System', 'Account', max_results=100) - - async for account, account_info in result: - print(f"Free balance of account '{account.value}': {account_info.value['data']['free']}") - ``` - - Note: it is important that you do not use `for x in result.records`, as this will sidestep possible - pagination. You must do `async for x in result`. - - Args: - module: The module name in the metadata, e.g. System or Balances. - storage_function: The storage function name, e.g. Account or Locks. - params: The input parameters in case of for example a `DoubleMap` storage function - block_hash: Optional block hash for result at given block, when left to None the chain tip will be used. - max_results: the maximum of results required, if set the query will stop fetching results when number is - reached - start_key: The storage key used as offset for the results, for pagination purposes - page_size: The results are fetched from the node RPC in chunks of this size - ignore_decoding_errors: When set this will catch all decoding errors, set the item to None and continue - decoding - reuse_block_hash: use True if you wish to make the query using the last-used block hash. Do not mark True - if supplying a block_hash - - Returns: - QueryMapResult object - """ - hex_to_bytes_ = hex_to_bytes - params = params or [] - block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) - if block_hash: - self.last_block_hash = block_hash - if not self.__metadata or block_hash: - await self.init_runtime(block_hash=block_hash) - - metadata_pallet = self.__metadata.get_metadata_pallet(module) - if not metadata_pallet: - raise ValueError(f'Pallet "{module}" not found') - storage_item = metadata_pallet.get_storage_function(storage_function) - - if not metadata_pallet or not storage_item: - raise ValueError( - f'Storage function "{module}.{storage_function}" not found' - ) - - value_type = storage_item.get_value_type_string() - param_types = storage_item.get_params_type_string() - key_hashers = storage_item.get_param_hashers() - - # Check MapType conditions - if len(param_types) == 0: - raise ValueError("Given storage function is not a map") - if len(params) > len(param_types) - 1: - raise ValueError( - f"Storage function map can accept max {len(param_types) - 1} parameters, {len(params)} given" - ) - - # Generate storage key prefix - storage_key = StorageKey.create_from_storage_function( - module, - storage_item.value["name"], - params, - runtime_config=self.runtime_config, - metadata=self.__metadata, - ) - prefix = storage_key.to_hex() - - if not start_key: - start_key = prefix - - # Make sure if the max result is smaller than the page size, adjust the page size - if max_results is not None and max_results < page_size: - page_size = max_results - - # Retrieve storage keys - response = await self.rpc_request( - method="state_getKeysPaged", - params=[prefix, page_size, start_key, block_hash], - ) - - if "error" in response: - raise SubstrateRequestException(response["error"]["message"]) - - result_keys = response.get("result") - - result = [] - last_key = None - - def concat_hash_len(key_hasher: str) -> int: - """ - Helper function to avoid if statements - """ - if key_hasher == "Blake2_128Concat": - return 16 - elif key_hasher == "Twox64Concat": - return 8 - elif key_hasher == "Identity": - return 0 - else: - raise ValueError("Unsupported hash type") - - if len(result_keys) > 0: - last_key = result_keys[-1] - - # Retrieve corresponding value - response = await self.rpc_request( - method="state_queryStorageAt", params=[result_keys, block_hash] - ) - - if "error" in response: - raise SubstrateRequestException(response["error"]["message"]) - - for result_group in response["result"]: - for item in result_group["changes"]: - try: - # Determine type string - key_type_string = [] - for n in range(len(params), len(param_types)): - key_type_string.append( - f"[u8; {concat_hash_len(key_hashers[n])}]" - ) - key_type_string.append(param_types[n]) - - item_key_obj = await self.decode_scale( - type_string=f"({', '.join(key_type_string)})", - scale_bytes=bytes.fromhex(item[0][len(prefix) :]), - return_scale_obj=True, - ) - - # strip key_hashers to use as item key - if len(param_types) - len(params) == 1: - item_key = item_key_obj[1] - else: - item_key = tuple( - item_key_obj[key + 1] - for key in range(len(params), len(param_types) + 1, 2) - ) - - except Exception as _: - if not ignore_decoding_errors: - raise - item_key = None - - try: - item_bytes = hex_to_bytes_(item[1]) - - item_value = await self.decode_scale( - type_string=value_type, - scale_bytes=item_bytes, - return_scale_obj=True, - ) - except Exception as _: - if not ignore_decoding_errors: - raise - item_value = None - result.append([item_key, item_value]) - return self.query_map_result_cls( - records=result, - page_size=page_size, - module=module, - storage_function=storage_function, - params=params, - block_hash=block_hash, - substrate=self, - last_key=last_key, - max_results=max_results, - ignore_decoding_errors=ignore_decoding_errors, - ) - - async def submit_extrinsic( - self, - extrinsic: GenericExtrinsic, - wait_for_inclusion: bool = False, - wait_for_finalization: bool = False, - ) -> Union["AsyncExtrinsicReceipt", "ExtrinsicReceipt"]: - """ - Submit an extrinsic to the connected node, with the possibility to wait until the extrinsic is included - in a block and/or the block is finalized. The receipt returned provided information about the block and - triggered events - - Args: - extrinsic: Extrinsic The extrinsic to be sent to the network - wait_for_inclusion: wait until extrinsic is included in a block (only works for websocket connections) - wait_for_finalization: wait until extrinsic is finalized (only works for websocket connections) - - Returns: - ExtrinsicReceipt object of your submitted extrinsic - """ - - # Check requirements - if not isinstance(extrinsic, GenericExtrinsic): - raise TypeError("'extrinsic' must be of type Extrinsics") - - async def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: - """ - Result handler function passed as an arg to _make_rpc_request as the result_handler - to handle the results of the extrinsic rpc call, which are multipart, and require - subscribing to the message - - Args: - message: message received from the rpc call - subscription_id: subscription id received from the initial rpc call for the subscription - - Returns: - tuple containing the dict of the block info for the subscription, and bool for whether - the subscription is completed. - """ - # Check if extrinsic is included and finalized - if "params" in message and isinstance(message["params"]["result"], dict): - # Convert result enum to lower for backwards compatibility - message_result = { - k.lower(): v for k, v in message["params"]["result"].items() - } - - if "finalized" in message_result and wait_for_finalization: - # Created as a task because we don't actually care about the result - self._forgettable_task = asyncio.create_task( - self.rpc_request("author_unwatchExtrinsic", [subscription_id]) - ) - return { - "block_hash": message_result["finalized"], - "extrinsic_hash": "0x{}".format(extrinsic.extrinsic_hash.hex()), - "finalized": True, - }, True - elif ( - "inblock" in message_result - and wait_for_inclusion - and not wait_for_finalization - ): - # Created as a task because we don't actually care about the result - self._forgettable_task = asyncio.create_task( - self.rpc_request("author_unwatchExtrinsic", [subscription_id]) - ) - return { - "block_hash": message_result["inblock"], - "extrinsic_hash": "0x{}".format(extrinsic.extrinsic_hash.hex()), - "finalized": False, - }, True - return message, False - - if wait_for_inclusion or wait_for_finalization: - responses = ( - await self._make_rpc_request( - [ - self.make_payload( - "rpc_request", - "author_submitAndWatchExtrinsic", - [str(extrinsic.data)], - ) - ], - result_handler=result_handler, - ) - )["rpc_request"] - response = next( - (r for r in responses if "block_hash" in r and "extrinsic_hash" in r), - None, - ) - - if not response: - raise SubstrateRequestException(responses) - - # Also, this will be a multipart response, so maybe should change to everything after the first response? - # The following code implies this will be a single response after the initial subscription id. - result = self.extrinsic_receipt_cls( - substrate=self, - extrinsic_hash=response["extrinsic_hash"], - block_hash=response["block_hash"], - finalized=response["finalized"], - ) - - else: - response = await self.rpc_request( - "author_submitExtrinsic", [str(extrinsic.data)] - ) - - if "result" not in response: - raise SubstrateRequestException(response.get("error")) - - result = self.extrinsic_receipt_cls( - substrate=self, extrinsic_hash=response["result"] - ) - - return result - - async def get_metadata_call_function( - self, - module_name: str, - call_function_name: str, - block_hash: Optional[str] = None, - ) -> Optional[list]: - """ - Retrieves a list of all call functions in metadata active for given block_hash (or chaintip if block_hash - is omitted) - - Args: - module_name: name of the module - call_function_name: name of the call function - block_hash: optional block hash - - Returns: - list of call functions - """ - if not self.__metadata or block_hash: - runtime = await self.init_runtime(block_hash=block_hash) - else: - runtime = self.runtime - - for pallet in runtime.metadata.pallets: - if pallet.name == module_name and pallet.calls: - for call in pallet.calls: - if call.name == call_function_name: - return call - return None - - async def get_block_number(self, block_hash: Optional[str] = None) -> int: - """Async version of `substrateinterface.base.get_block_number` method.""" - response = await self.rpc_request("chain_getHeader", [block_hash]) - - if "error" in response: - raise SubstrateRequestException(response["error"]["message"]) - - elif "result" in response: - if response["result"]: - return int(response["result"]["number"], 16) - - async def close(self): - """ - Closes the substrate connection, and the websocket connection. - """ - try: - await self.ws.shutdown() - except AttributeError: - pass - - async def wait_for_block( - self, - block: int, - result_handler: Callable[[dict], Awaitable[Any]], - task_return: bool = True, - ) -> Union[asyncio.Task, Union[bool, Any]]: - """ - Executes the result_handler when the chain has reached the block specified. - - Args: - block: block number - result_handler: coroutine executed upon reaching the block number. This can be basically anything, but - must accept one single arg, a dict with the block data; whether you use this data or not is entirely - up to you. - task_return: True to immediately return the result of wait_for_block as an asyncio Task, False to wait - for the block to be reached, and return the result of the result handler. - - Returns: - Either an asyncio.Task (which contains the running subscription, and whose `result()` will contain the - return of the result_handler), or the result itself, depending on `task_return` flag. - Note that if your result_handler returns `None`, this method will return `True`, otherwise - the return will be the result of your result_handler. - """ - - async def _handler(block_data: dict[str, Any]): - required_number = block - number = block_data["header"]["number"] - if number >= required_number: - return ( - r if (r := await result_handler(block_data)) is not None else True - ) - - args = inspect.getfullargspec(result_handler).args - if len(args) != 1: - raise ValueError( - "result_handler must take exactly one arg: the dict block data." - ) - - co = self._get_block_handler( - self.last_block_hash, subscription_handler=_handler - ) - if task_return is True: - return asyncio.create_task(co) - else: - return await co - - -class SyncWebsocket: - def __init__(self, websocket: "Websocket", event_loop_manager: EventLoopManager): - self._ws = websocket - self._event_loop_mgr = event_loop_manager - - def close(self): - self._event_loop_mgr.run(self._ws.shutdown()) - - -class SubstrateInterface(SubstrateMixin): - def __init__( - self, - url: str, - use_remote_preset: bool = False, - auto_discover: bool = True, - ss58_format: Optional[int] = None, - type_registry: Optional[dict] = None, - chain_name: str = "", - max_retries: int = 5, - retry_timeout: float = 60.0, - _mock: bool = False, - ): - """ - The sync compatible version of the subtensor interface commands we use in bittensor. Use this instance only - if you are not running within an event loop, otherwise use AsyncSubstrateInterface - - Args: - url: the URI of the chain to connect to - use_remote_preset: whether to pull the preset from GitHub - auto_discover: whether to automatically pull the presets based on the chain name and type registry - ss58_format: the specific SS58 format to use - type_registry: a dict of custom types - chain_name: the name of the chain (the result of the rpc request for "system_chain") - max_retries: number of times to retry RPC requests before giving up - retry_timeout: how to long wait since the last ping to retry the RPC request - _mock: whether to use mock version of the subtensor interface - - """ - self.max_retries = max_retries - self.retry_timeout = retry_timeout - self.chain_endpoint = url - self.url = url - self.__chain = chain_name - self.ws = Websocket( - url, - options={ - "max_size": 2**32, - "write_limit": 2**16, - }, - ) - self.config = { - "use_remote_preset": use_remote_preset, - "auto_discover": auto_discover, - "rpc_methods": None, - "strict_scale_decode": True, - } - self.initialized = False - self._forgettable_task = None - self.ss58_format = ss58_format - self.type_registry = type_registry - self.runtime_cache = RuntimeCache() - self.runtime_config = RuntimeConfigurationObject( - ss58_format=self.ss58_format, implements_scale_info=True - ) - self.__metadata_cache = {} - self.metadata_version_hex = "0x0f000000" # v15 - self.reload_type_registry() - - def __enter__(self): - self.initialize() - return self - - def initialize(self): - """ - Initialize the connection to the chain. - """ - if not self.initialized: - if not self.__chain: - chain = self.rpc_request("system_chain", []) - self.__chain = chain.get("result") - self.load_registry() - self._init_init_runtime() - self.initialized = True - - def __exit__(self, exc_type, exc_val, exc_tb): - pass - - @property - def properties(self): - if self.__properties is None: - self.__properties = self.rpc_request("system_properties", []).get("result") - return self.__properties - - @property - def version(self): - if self.__version is None: - self.__version = self.rpc_request("system_version", []).get("result") - return self.__version - - @property - def token_decimals(self): - if self.__token_decimals is None: - self.__token_decimals = self.properties.get("tokenDecimals") - return self.__token_decimals - - @property - def token_symbol(self): - if self.__token_symbol is None: - if self.properties: - self.__token_symbol = self.properties.get("tokenSymbol") - else: - self.__token_symbol = "UNIT" - return self.__token_symbol - - @property - def name(self): - if self.__name is None: - self.__name = self.rpc_request("system_name", []).get("result") - return self.__name - - def get_storage_item(self, module: str, storage_function: str): - if not self.__metadata: - self.init_runtime() - metadata_pallet = self.__metadata.get_metadata_pallet(module) - storage_item = metadata_pallet.get_storage_function(storage_function) - return storage_item - - def _get_current_block_hash( - self, block_hash: Optional[str], reuse: bool - ) -> Optional[str]: - if block_hash: - self.last_block_hash = block_hash - return block_hash - elif reuse: - if self.last_block_hash: - return self.last_block_hash - return block_hash - - def load_registry(self): - # This needs to happen before init_runtime - metadata_rpc_result = self.rpc_request( - "state_call", - ["Metadata_metadata_at_version", self.metadata_version_hex], - ) - metadata_option_hex_str = metadata_rpc_result["result"] - metadata_option_bytes = bytes.fromhex(metadata_option_hex_str[2:]) - metadata_v15 = MetadataV15.decode_from_metadata_option(metadata_option_bytes) - self.registry = PortableRegistry.from_metadata_v15(metadata_v15) - - def decode_scale( - self, - type_string: str, - scale_bytes: bytes, - return_scale_obj=False, - ) -> Any: - """ - Helper function to decode arbitrary SCALE-bytes (e.g. 0x02000000) according to given RUST type_string - (e.g. BlockNumber). The relevant versioning information of the type (if defined) will be applied if block_hash - is set - - Args: - type_string: the type string of the SCALE object for decoding - scale_bytes: the bytes representation of the SCALE object to decode - return_scale_obj: Whether to return the decoded value wrapped in a SCALE-object-like wrapper, or raw. - - Returns: - Decoded object - """ - - if scale_bytes == b"\x00": - obj = None - else: - obj = decode_by_type_string(type_string, self.registry, scale_bytes) - if return_scale_obj: - return ScaleObj(obj) - else: - return obj - - def encode_scale(self, type_string, value, block_hash=None) -> ScaleBytes: - """ - Helper function to encode arbitrary data into SCALE-bytes for given RUST type_string - - Args: - type_string: the type string of the SCALE object for decoding - value: value to encode - block_hash: the hash of the blockchain block whose metadata to use for encoding - - Returns: - ScaleBytes encoded value - """ - if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) - - obj = self.runtime_config.create_scale_object( - type_string=type_string, metadata=self.__metadata - ) - return obj.encode(value) - - def _init_init_runtime(self): - """ - TODO rename/docstring - """ - runtime_info = self.get_block_runtime_version(None) - metadata = self.get_block_metadata() - self.__metadata = metadata - self.__metadata_cache[self.runtime_version] = self.__metadata - self.runtime_version = runtime_info.get("specVersion") - self.runtime_config.set_active_spec_version_id(self.runtime_version) - self.transaction_version = runtime_info.get("transactionVersion") - if self.implements_scaleinfo: - self.runtime_config.add_portable_registry(metadata) - # Set runtime compatibility flags - try: - _ = self.runtime_config.create_scale_object("sp_weights::weight_v2::Weight") - self.config["is_weight_v2"] = True - self.runtime_config.update_type_registry_types( - {"Weight": "sp_weights::weight_v2::Weight"} - ) - except NotImplementedError: - self.config["is_weight_v2"] = False - self.runtime_config.update_type_registry_types({"Weight": "WeightV1"}) - - def init_runtime( - self, block_hash: Optional[str] = None, block_id: Optional[int] = None - ) -> Runtime: - """ - This method is used by all other methods that deals with metadata and types defined in the type registry. - It optionally retrieves the block_hash when block_id is given and sets the applicable metadata for that - block_hash. Also, it applies all the versioned types at the time of the block_hash. - - Because parsing of metadata and type registry is quite heavy, the result will be cached per runtime id. - In the future there could be support for caching backends like Redis to make this cache more persistent. - - Args: - block_hash: optional block hash, should not be specified if block_id is - block_id: optional block id, should not be specified if block_hash is - - Returns: - Runtime object - """ - - def get_runtime(block_hash, block_id) -> Runtime: - # Check if runtime state already set to current block - if ( - (block_hash and block_hash == self.last_block_hash) - or (block_id and block_id == self.block_id) - ) and self.__metadata is not None: - return Runtime( - self.chain, - self.runtime_config, - self.__metadata, - self.type_registry, - ) - - if block_id is not None: - block_hash = self.get_block_hash(block_id) - - if not block_hash: - block_hash = self.get_chain_head() - - self.last_block_hash = block_hash - self.block_id = block_id - - # In fact calls and storage functions are decoded against runtime of previous block, therefore retrieve - # metadata and apply type registry of runtime of parent block - block_header = self.rpc_request("chain_getHeader", [self.last_block_hash]) - - if block_header["result"] is None: - raise SubstrateRequestException( - f'Block not found for "{self.last_block_hash}"' - ) - parent_block_hash: str = block_header["result"]["parentHash"] - - if ( - parent_block_hash - == "0x0000000000000000000000000000000000000000000000000000000000000000" - ): - runtime_block_hash = self.last_block_hash - else: - runtime_block_hash = parent_block_hash - - runtime_info = self.get_block_runtime_version(block_hash=runtime_block_hash) + ) if runtime_info is None: raise SubstrateRequestException( @@ -4308,7 +996,7 @@ def get_runtime(block_hash, block_id) -> Runtime: self.runtime_version ] else: - metadata = self.__metadata = self.get_block_metadata( + metadata = self.__metadata = await self.get_block_metadata( block_hash=runtime_block_hash, decode=True ) logging.debug( @@ -4332,7 +1020,7 @@ def get_runtime(block_hash, block_id) -> Runtime: self.runtime_config.set_active_spec_version_id(self.runtime_version) # Check and apply runtime constants - ss58_prefix_constant = self.get_constant( + ss58_prefix_constant = await self.get_constant( "System", "SS58Prefix", block_hash=block_hash ) @@ -4365,11 +1053,11 @@ def get_runtime(block_hash, block_id) -> Runtime: not (runtime := self.runtime_cache.retrieve(block_id, block_hash)) or runtime.metadata is None ): - runtime = get_runtime(block_hash, block_id) + runtime = await get_runtime(block_hash, block_id) self.runtime_cache.add_item(block_id, block_hash, runtime) return runtime - def create_storage_key( + async def create_storage_key( self, pallet: str, storage_function: str, @@ -4389,7 +1077,7 @@ def create_storage_key( StorageKey """ if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) return StorageKey.create_from_storage_function( pallet, @@ -4399,7 +1087,7 @@ def create_storage_key( metadata=self.__metadata, ) - def get_metadata_storage_functions(self, block_hash=None) -> list: + async def get_metadata_storage_functions(self, block_hash=None) -> list: """ Retrieves a list of all storage functions in metadata active at given block_hash (or chaintip if block_hash is omitted) @@ -4411,7 +1099,7 @@ def get_metadata_storage_functions(self, block_hash=None) -> list: list of storage functions """ if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) storage_list = [] @@ -4428,7 +1116,9 @@ def get_metadata_storage_functions(self, block_hash=None) -> list: return storage_list - def get_metadata_storage_function(self, module_name, storage_name, block_hash=None): + async def get_metadata_storage_function( + self, module_name, storage_name, block_hash=None + ): """ Retrieves the details of a storage function for given module name, call function name and block_hash @@ -4441,14 +1131,16 @@ def get_metadata_storage_function(self, module_name, storage_name, block_hash=No Metadata storage function """ if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) pallet = self.metadata.get_metadata_pallet(module_name) if pallet: return pallet.get_storage_function(storage_name) - def get_metadata_errors(self, block_hash=None) -> list[dict[str, Optional[str]]]: + async def get_metadata_errors( + self, block_hash=None + ) -> list[dict[str, Optional[str]]]: """ Retrieves a list of all errors in metadata active at given block_hash (or chaintip if block_hash is omitted) @@ -4459,7 +1151,7 @@ def get_metadata_errors(self, block_hash=None) -> list[dict[str, Optional[str]]] list of errors in the metadata """ if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) error_list = [] @@ -4476,7 +1168,7 @@ def get_metadata_errors(self, block_hash=None) -> list[dict[str, Optional[str]]] return error_list - def get_metadata_error(self, module_name, error_name, block_hash=None): + async def get_metadata_error(self, module_name, error_name, block_hash=None): """ Retrieves the details of an error for given module name, call function name and block_hash @@ -4490,7 +1182,7 @@ def get_metadata_error(self, module_name, error_name, block_hash=None): """ if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) for module_idx, module in enumerate(self.__metadata.pallets): if module.name == module_name and module.errors: @@ -4498,7 +1190,7 @@ def get_metadata_error(self, module_name, error_name, block_hash=None): if error_name == error.name: return error - def get_metadata_runtime_call_functions( + async def get_metadata_runtime_call_functions( self, ) -> list[GenericRuntimeCallDefinition]: """ @@ -4508,18 +1200,18 @@ def get_metadata_runtime_call_functions( list of runtime call functions """ if not self.__metadata: - self.init_runtime() + await self.init_runtime() call_functions = [] for api, methods in self.runtime_config.type_registry["runtime_api"].items(): for method in methods["methods"].keys(): call_functions.append( - self.get_metadata_runtime_call_function(api, method) + await self.get_metadata_runtime_call_function(api, method) ) return call_functions - def get_metadata_runtime_call_function( + async def get_metadata_runtime_call_function( self, api: str, method: str ) -> GenericRuntimeCallDefinition: """ @@ -4533,7 +1225,7 @@ def get_metadata_runtime_call_function( runtime call function """ if not self.__metadata: - self.init_runtime() + await self.init_runtime() try: runtime_call_def = self.runtime_config.type_registry["runtime_api"][api][ @@ -4550,12 +1242,12 @@ def get_metadata_runtime_call_function( # Add runtime API types to registry self.runtime_config.update_type_registry_types(runtime_api_types) - runtime_call_def_obj = self.create_scale_object("RuntimeCallDefinition") + runtime_call_def_obj = await self.create_scale_object("RuntimeCallDefinition") runtime_call_def_obj.encode(runtime_call_def) return runtime_call_def_obj - def _get_block_handler( + async def _get_block_handler( self, block_hash: str, ignore_decoding_errors: bool = False, @@ -4565,11 +1257,11 @@ def _get_block_handler( subscription_handler: Optional[Callable[[dict], Awaitable[Any]]] = None, ): try: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) except BlockNotFound: return None - def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: + async def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: if block_data: if block_data_hash: block_data["header"]["hash"] = block_data_hash @@ -4623,7 +1315,7 @@ def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: engine = bytes(log_digest[1][0]) # Retrieve validator set parent_hash = block_data["header"]["parentHash"] - validator_set = self.query( + validator_set = await self.query( "Session", "Validators", block_hash=parent_hash ) @@ -4677,7 +1369,7 @@ def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: log_digest.value["PreRuntime"]["engine"] == "BABE" ): - validator_set = self.query( + validator_set = await self.query( "Session", "Validators", block_hash=block_hash, @@ -4706,18 +1398,21 @@ def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: if callable(subscription_handler): rpc_method_prefix = "Finalized" if finalized_only else "New" - def result_handler(message: dict, subscription_id: str) -> tuple[Any, bool]: + async def result_handler( + message: dict, subscription_id: str + ) -> tuple[Any, bool]: reached = False subscription_result = None if "params" in message: - new_block = decode_block({"header": message["params"]["result"]}) + new_block = await decode_block( + {"header": message["params"]["result"]} + ) - subscription_result = subscription_handler(new_block) + subscription_result = await subscription_handler(new_block) if subscription_result is not None: reached = True # Handler returned end result: unsubscribe from further updates - # TODO this logic needs to change self._forgettable_task = asyncio.create_task( self.rpc_request( f"chain_unsubscribe{rpc_method_prefix}Heads", @@ -4727,7 +1422,7 @@ def result_handler(message: dict, subscription_id: str) -> tuple[Any, bool]: return subscription_result, reached - result = self._make_rpc_request( + result = await self._make_rpc_request( [ self.make_payload( "_get_block_handler", @@ -4742,18 +1437,18 @@ def result_handler(message: dict, subscription_id: str) -> tuple[Any, bool]: else: if header_only: - response = self.rpc_request("chain_getHeader", [block_hash]) - return decode_block( + response = await self.rpc_request("chain_getHeader", [block_hash]) + return await decode_block( {"header": response["result"]}, block_data_hash=block_hash ) else: - response = self.rpc_request("chain_getBlock", [block_hash]) - return decode_block( + response = await self.rpc_request("chain_getBlock", [block_hash]) + return await decode_block( response["result"]["block"], block_data_hash=block_hash ) - def get_block( + async def get_block( self, block_hash: Optional[str] = None, block_number: Optional[int] = None, @@ -4782,7 +1477,7 @@ def get_block( raise ValueError("Either block_hash or block_number should be set") if block_number is not None: - block_hash = self.get_block_hash(block_number) + block_hash = await self.get_block_hash(block_number) if block_hash is None: return @@ -4795,18 +1490,18 @@ def get_block( if block_hash is None: # Retrieve block hash if finalized_only: - block_hash = self.get_chain_finalised_head() + block_hash = await self.get_chain_finalised_head() else: - block_hash = self.get_chain_head() + block_hash = await self.get_chain_head() - return self._get_block_handler( + return await self._get_block_handler( block_hash=block_hash, ignore_decoding_errors=ignore_decoding_errors, header_only=False, include_author=include_author, ) - def get_block_header( + async def get_block_header( self, block_hash: Optional[str] = None, block_number: Optional[int] = None, @@ -4837,7 +1532,7 @@ def get_block_header( raise ValueError("Either block_hash or block_number should be be set") if block_number is not None: - block_hash = self.get_block_hash(block_number) + block_hash = await self.get_block_hash(block_number) if block_hash is None: return @@ -4850,9 +1545,9 @@ def get_block_header( if block_hash is None: # Retrieve block hash if finalized_only: - block_hash = self.get_chain_finalised_head() + block_hash = await self.get_chain_finalised_head() else: - block_hash = self.get_chain_head() + block_hash = await self.get_chain_head() else: # Check conflicting scenarios @@ -4861,14 +1556,14 @@ def get_block_header( "finalized_only cannot be True when block_hash is provided" ) - return self._get_block_handler( + return await self._get_block_handler( block_hash=block_hash, ignore_decoding_errors=ignore_decoding_errors, header_only=True, include_author=include_author, ) - def subscribe_block_headers( + async def subscribe_block_headers( self, subscription_handler: callable, ignore_decoding_errors: bool = False, @@ -4891,7 +1586,7 @@ async def subscription_handler(obj, update_nr, subscription_id): return {'message': 'Subscription will cancel when a value is returned', 'updates_processed': update_nr} - result = substrate.subscribe_block_headers(subscription_handler, include_author=True) + result = await substrate.subscribe_block_headers(subscription_handler, include_author=True) ``` Args: @@ -4906,11 +1601,11 @@ async def subscription_handler(obj, update_nr, subscription_id): """ # Retrieve block hash if finalized_only: - block_hash = self.get_chain_finalised_head() + block_hash = await self.get_chain_finalised_head() else: - block_hash = self.get_chain_head() + block_hash = await self.get_chain_head() - return self._get_block_handler( + return await self._get_block_handler( block_hash, subscription_handler=subscription_handler, ignore_decoding_errors=ignore_decoding_errors, @@ -4918,9 +1613,9 @@ async def subscription_handler(obj, update_nr, subscription_id): finalized_only=finalized_only, ) - def retrieve_extrinsic_by_identifier( + async def retrieve_extrinsic_by_identifier( self, extrinsic_identifier: str - ) -> "ExtrinsicReceipt": + ) -> "AsyncExtrinsicReceipt": """ Retrieve an extrinsic by its identifier in format "[block_number]-[extrinsic_index]" e.g. 333456-4 @@ -4930,13 +1625,13 @@ def retrieve_extrinsic_by_identifier( Returns: ExtrinsicReceiptLike object of the extrinsic """ - return ExtrinsicReceipt.create_from_extrinsic_identifier( + return await self.extrinsic_receipt_cls.create_from_extrinsic_identifier( substrate=self, extrinsic_identifier=extrinsic_identifier ) def retrieve_extrinsic_by_hash( self, block_hash: str, extrinsic_hash: str - ) -> "ExtrinsicReceipt": + ) -> "AsyncExtrinsicReceipt": """ Retrieve an extrinsic by providing the block_hash and the extrinsic hash @@ -4947,13 +1642,13 @@ def retrieve_extrinsic_by_hash( Returns: ExtrinsicReceiptLike of the extrinsic """ - return ExtrinsicReceipt( + return self.extrinsic_receipt_cls( substrate=self, block_hash=block_hash, extrinsic_hash=extrinsic_hash ) - def get_extrinsics( + async def get_extrinsics( self, block_hash: str = None, block_number: int = None - ) -> Optional[list["ExtrinsicReceipt"]]: + ) -> Optional[list["AsyncExtrinsicReceipt"]]: """ Return all extrinsics for given block_hash or block_number @@ -4964,11 +1659,11 @@ def get_extrinsics( Returns: ExtrinsicReceipts of the extrinsics for the block, if any. """ - block = self.get_block(block_hash=block_hash, block_number=block_number) + block = await self.get_block(block_hash=block_hash, block_number=block_number) if block: return block["extrinsics"] - def get_events(self, block_hash: Optional[str] = None) -> list: + async def get_events(self, block_hash: Optional[str] = None) -> list: """ Convenience method to get events for a certain block (storage call for module 'System' and function 'Events') @@ -5018,9 +1713,9 @@ def convert_event_data(data): events = [] if not block_hash: - block_hash = self.get_chain_head() + block_hash = await self.get_chain_head() - storage_obj = self.query( + storage_obj = await self.query( module="System", storage_function="Events", block_hash=block_hash ) if storage_obj: @@ -5028,14 +1723,14 @@ def convert_event_data(data): events.append(convert_event_data(item)) return events - def get_block_runtime_version(self, block_hash: str) -> dict: + async def get_block_runtime_version(self, block_hash: str) -> dict: """ Retrieve the runtime version id of given block_hash """ - response = self.rpc_request("state_getRuntimeVersion", [block_hash]) + response = await self.rpc_request("state_getRuntimeVersion", [block_hash]) return response.get("result") - def get_block_metadata( + async def get_block_metadata( self, block_hash: Optional[str] = None, decode: bool = True ) -> Optional[Union[dict, ScaleType]]: """ @@ -5057,7 +1752,7 @@ def get_block_metadata( if block_hash: params = [block_hash] - response = self.rpc_request("state_getMetadata", params) + response = await self.rpc_request("state_getMetadata", params) if "error" in response: raise SubstrateRequestException(response["error"]["message"]) @@ -5072,7 +1767,7 @@ def get_block_metadata( else: return result - def _preprocess( + async def _preprocess( self, query_for: Optional[list], block_hash: Optional[str], @@ -5105,6 +1800,7 @@ def _preprocess( raise ValueError( f"Storage function requires {len(param_types)} parameters, {len(params)} given" ) + if raw_storage_key: storage_key = StorageKey.create_from_data( data=raw_storage_key, @@ -5131,7 +1827,7 @@ def _preprocess( storage_item, ) - def _process_response( + async def _process_response( self, response: dict, subscription_id: Union[int, str], @@ -5172,14 +1868,14 @@ def _process_response( q = bytes(query_value) else: q = query_value - result = self.decode_scale(value_scale_type, q) - if isinstance(result_handler, Callable): + result = await self.decode_scale(value_scale_type, q) + if asyncio.iscoroutinefunction(result_handler): # For multipart responses as a result of subscriptions. - message, bool_result = result_handler(result, subscription_id) + message, bool_result = await result_handler(result, subscription_id) return message, bool_result return result, True - def _make_rpc_request( + async def _make_rpc_request( self, payloads: list[dict], value_scale_type: Optional[str] = None, @@ -5192,8 +1888,7 @@ def _make_rpc_request( subscription_added = False - # TODO add this logic - with self.ws as ws: + async with self.ws as ws: if len(payloads) > 1: send_coroutines = await asyncio.gather( *[ws.send(item["payload"]) for item in payloads] @@ -5202,17 +1897,18 @@ def _make_rpc_request( request_manager.add_request(item_id, item["id"]) else: item = payloads[0] - item_id = ws.send(item["payload"]) + item_id = await ws.send(item["payload"]) request_manager.add_request(item_id, item["id"]) while True: for item_id in list(request_manager.response_map.keys()): - if item_id not in request_manager.responses or isinstance( - result_handler, Callable + if ( + item_id not in request_manager.responses + or asyncio.iscoroutinefunction(result_handler) ): - if response := ws.retrieve(item_id): + if response := await ws.retrieve(item_id): if ( - isinstance(result_handler, Callable) + asyncio.iscoroutinefunction(result_handler) and not subscription_added ): # handles subscriptions, overwrites the previous mapping of {item_id : payload_id} @@ -5224,7 +1920,7 @@ def _make_rpc_request( subscription_added = True except KeyError: raise SubstrateRequestException(str(response)) - decoded_response, complete = self._process_response( + decoded_response, complete = await self._process_response( response, item_id, value_scale_type, @@ -5246,12 +1942,12 @@ def _make_rpc_request( raise SubstrateRequestException("Max retries reached.") else: self.ws.last_received = time.time() - self.ws.connect(force=True) + await self.ws.connect(force=True) logging.error( f"Timed out waiting for RPC requests. " f"Retrying attempt {attempt + 1} of {self.max_retries}" ) - return self._make_rpc_request( + return await self._make_rpc_request( payloads, value_scale_type, storage_item, @@ -5262,9 +1958,8 @@ def _make_rpc_request( return request_manager.get_results() - # TODO change this logic - @lru_cache(maxsize=512) # RPC methods are unlikely to change often - def supports_rpc_method(self, name: str) -> bool: + @a.lru_cache(maxsize=512) # RPC methods are unlikely to change often + async def supports_rpc_method(self, name: str) -> bool: """ Check if substrate RPC supports given method Parameters @@ -5275,13 +1970,13 @@ def supports_rpc_method(self, name: str) -> bool: ------- bool """ - result = self.rpc_request("rpc_methods", []).get("result") + result = (await self.rpc_request("rpc_methods", [])).get("result") if result: self.config["rpc_methods"] = result.get("methods", []) return name in self.config["rpc_methods"] - def rpc_request( + async def rpc_request( self, method: str, params: Optional[list], @@ -5303,7 +1998,7 @@ def rpc_request( Returns: the response from the RPC request """ - block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) + block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) params = params or [] payload_id = f"{method}{random.randint(0, 7000)}" payloads = [ @@ -5319,7 +2014,7 @@ def rpc_request( self.__metadata, self.type_registry, ) - result = self._make_rpc_request(payloads, runtime=runtime) + result = await self._make_rpc_request(payloads, runtime=runtime) if "error" in result[payload_id][0]: if ( "Failed to get runtime version" @@ -5328,19 +2023,21 @@ def rpc_request( logging.warning( "Failed to get runtime. Re-fetching from chain, and retrying." ) - self.init_runtime() - return self.rpc_request(method, params, block_hash, reuse_block_hash) + await self.init_runtime() + return await self.rpc_request( + method, params, block_hash, reuse_block_hash + ) raise SubstrateRequestException(result[payload_id][0]["error"]["message"]) if "result" in result[payload_id][0]: return result[payload_id][0] else: raise SubstrateRequestException(result[payload_id][0]) - def get_block_hash(self, block_id: int) -> str: - return self.rpc_request("chain_getBlockHash", [block_id])["result"] + async def get_block_hash(self, block_id: int) -> str: + return (await self.rpc_request("chain_getBlockHash", [block_id]))["result"] - def get_chain_head(self) -> str: - result = self._make_rpc_request( + async def get_chain_head(self) -> str: + result = await self._make_rpc_request( [ self.make_payload( "rpc_request", @@ -5358,7 +2055,7 @@ def get_chain_head(self) -> str: self.last_block_hash = result["rpc_request"][0]["result"] return result["rpc_request"][0]["result"] - def compose_call( + async def compose_call( self, call_module: str, call_function: str, @@ -5382,7 +2079,7 @@ def compose_call( call_params = {} if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) call = self.runtime_config.create_scale_object( type_string="Call", metadata=self.__metadata @@ -5398,7 +2095,7 @@ def compose_call( return call - def query_multiple( + async def query_multiple( self, params: list, storage_function: str, @@ -5409,17 +2106,22 @@ def query_multiple( """ Queries the subtensor. Only use this when making multiple queries, else use ``self.query`` """ - block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) + # By allowing for specifying the block hash, users, if they have multiple query types they want + # to do, can simply query the block hash first, and then pass multiple query_subtensor calls + # into an asyncio.gather, with the specified block hash + block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) if block_hash: self.last_block_hash = block_hash if not self.__metadata or block_hash: - runtime = self.init_runtime(block_hash=block_hash) + runtime = await self.init_runtime(block_hash=block_hash) else: runtime = self.runtime - - preprocessed: tuple[Preprocessed] = [ - self._preprocess([x], block_hash, storage_function, module) for x in params - ] + preprocessed: tuple[Preprocessed] = await asyncio.gather( + *[ + self._preprocess([x], block_hash, storage_function, module) + for x in params + ] + ) all_info = [ self.make_payload(item.queryable, item.method, item.params) for item in preprocessed @@ -5428,14 +2130,14 @@ def query_multiple( value_scale_type = preprocessed[0].value_scale_type storage_item = preprocessed[0].storage_item - responses = self._make_rpc_request( + responses = await self._make_rpc_request( all_info, value_scale_type, storage_item, runtime ) return { param: responses[p.queryable][0] for (param, p) in zip(params, preprocessed) } - def query_multi( + async def query_multi( self, storage_keys: list[StorageKey], block_hash: Optional[str] = None ) -> list: """ @@ -5464,10 +2166,10 @@ def query_multi( list of `(storage_key, scale_obj)` tuples """ if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) # Retrieve corresponding value - response = self.rpc_request( + response = await self.rpc_request( "state_queryStorageAt", [[s.to_hex() for s in storage_keys], block_hash] ) @@ -5489,13 +2191,15 @@ def query_multi( result.append( ( storage_key, - self.decode_scale(storage_key.value_scale_type, change_data), + await self.decode_scale( + storage_key.value_scale_type, change_data + ), ) ) return result - def create_scale_object( + async def create_scale_object( self, type_string: str, data: Optional[ScaleBytes] = None, @@ -5516,7 +2220,7 @@ def create_scale_object( The created Scale Type object """ if not self.__metadata or block_hash: - runtime = self.init_runtime(block_hash=block_hash) + runtime = await self.init_runtime(block_hash=block_hash) else: runtime = self.runtime if "metadata" not in kwargs: @@ -5526,7 +2230,7 @@ def create_scale_object( type_string, data=data, **kwargs ) - def generate_signature_payload( + async def generate_signature_payload( self, call: GenericCall, era=None, @@ -5536,7 +2240,7 @@ def generate_signature_payload( include_call_length: bool = False, ) -> ScaleBytes: # Retrieve genesis hash - genesis_hash = self.get_block_hash(0) + genesis_hash = await self.get_block_hash(0) if not era: era = "00" @@ -5554,7 +2258,9 @@ def generate_signature_payload( ) era_obj.encode(era) - block_hash = self.get_block_hash(block_id=era_obj.birth(era.get("current"))) + block_hash = await self.get_block_hash( + block_id=era_obj.birth(era.get("current")) + ) # Create signature payload signature_payload = self.runtime_config.create_scale_object( @@ -5674,7 +2380,7 @@ def generate_signature_payload( return signature_payload.data - def create_signed_extrinsic( + async def create_signed_extrinsic( self, call: GenericCall, keypair: Keypair, @@ -5700,7 +2406,7 @@ def create_signed_extrinsic( Returns: The signed Extrinsic """ - self.init_runtime() + await self.init_runtime() # Check requirements if not isinstance(call, GenericCall): @@ -5714,7 +2420,7 @@ def create_signed_extrinsic( # Retrieve nonce if nonce is None: - nonce = self.get_account_nonce(keypair.ss58_address) or 0 + nonce = await self.get_account_nonce(keypair.ss58_address) or 0 # Process era if era is None: @@ -5722,7 +2428,9 @@ def create_signed_extrinsic( else: if isinstance(era, dict) and "current" not in era and "phase" not in era: # Retrieve current block id - era["current"] = self.get_block_number(self.get_chain_finalised_head()) + era["current"] = await self.get_block_number( + await self.get_chain_finalised_head() + ) if signature is not None: if isinstance(signature, str) and signature[0:2] == "0x": @@ -5737,7 +2445,7 @@ def create_signed_extrinsic( else: # Create signature payload - signature_payload = self.generate_signature_payload( + signature_payload = await self.generate_signature_payload( call=call, era=era, nonce=nonce, tip=tip, tip_asset_id=tip_asset_id ) @@ -5774,7 +2482,7 @@ def create_signed_extrinsic( return extrinsic - def get_chain_finalised_head(self): + async def get_chain_finalised_head(self): """ A pass-though to existing JSONRPC method `chain_getFinalizedHead` @@ -5782,7 +2490,7 @@ def get_chain_finalised_head(self): ------- """ - response = self.rpc_request("chain_getFinalizedHead", []) + response = await self.rpc_request("chain_getFinalizedHead", []) if response is not None: if "error" in response: @@ -5790,7 +2498,7 @@ def get_chain_finalised_head(self): return response.get("result") - def runtime_call( + async def runtime_call( self, api: str, method: str, @@ -5810,7 +2518,7 @@ def runtime_call( ScaleType from the runtime call """ if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) if params is None: params = {} @@ -5853,7 +2561,7 @@ def runtime_call( param_data += scale_obj.encode(params[param["name"]]) # RPC request - result_data = self.rpc_request( + result_data = await self.rpc_request( "state_call", [f"{api}_{method}", str(param_data), block_hash] ) @@ -5869,7 +2577,7 @@ def runtime_call( return result_obj - def get_account_nonce(self, account_address: str) -> int: + async def get_account_nonce(self, account_address: str) -> int: """ Returns current nonce for given account address @@ -5879,18 +2587,18 @@ def get_account_nonce(self, account_address: str) -> int: Returns: Nonce for given account address """ - if self.supports_rpc_method("state_call"): - nonce_obj = self.runtime_call( + if await self.supports_rpc_method("state_call"): + nonce_obj = await self.runtime_call( "AccountNonceApi", "account_nonce", [account_address] ) return getattr(nonce_obj, "value", nonce_obj) else: - response = self.query( + response = await self.query( module="System", storage_function="Account", params=[account_address] ) return response["nonce"] - def get_account_next_index(self, account_address: str) -> int: + async def get_account_next_index(self, account_address: str) -> int: """ Returns next index for the given account address, taking into account the transaction pool. @@ -5900,14 +2608,14 @@ def get_account_next_index(self, account_address: str) -> int: Returns: Next index for the given account address """ - if not self.supports_rpc_method("account_nextIndex"): + if not await self.supports_rpc_method("account_nextIndex"): # Unlikely to happen, this is a common RPC method raise Exception("account_nextIndex not supported") - nonce_obj = self.rpc_request("account_nextIndex", [account_address]) + nonce_obj = await self.rpc_request("account_nextIndex", [account_address]) return nonce_obj["result"] - def get_metadata_constant(self, module_name, constant_name, block_hash=None): + async def get_metadata_constant(self, module_name, constant_name, block_hash=None): """ Retrieves the details of a constant for given module name, call function name and block_hash (or chaintip if block_hash is omitted) @@ -5921,7 +2629,7 @@ def get_metadata_constant(self, module_name, constant_name, block_hash=None): MetadataModuleConstants """ if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) for module in self.__metadata.pallets: if module_name == module.name and module.constants: @@ -5929,7 +2637,7 @@ def get_metadata_constant(self, module_name, constant_name, block_hash=None): if constant_name == constant.value["name"]: return constant - def get_constant( + async def get_constant( self, module_name: str, constant_name: str, @@ -5949,19 +2657,21 @@ def get_constant( Returns: ScaleType from the runtime call """ - block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) - constant = self.get_metadata_constant( + block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) + constant = await self.get_metadata_constant( module_name, constant_name, block_hash=block_hash ) if constant: # Decode to ScaleType - return self.decode_scale( + return await self.decode_scale( constant.type, bytes(constant.constant_value), return_scale_obj=True ) else: return None - def get_payment_info(self, call: GenericCall, keypair: Keypair) -> dict[str, Any]: + async def get_payment_info( + self, call: GenericCall, keypair: Keypair + ) -> dict[str, Any]: """ Retrieves fee estimation via RPC for given extrinsic @@ -5987,19 +2697,21 @@ def get_payment_info(self, call: GenericCall, keypair: Keypair) -> dict[str, Any signature = "0x" + "00" * 64 # Create extrinsic - extrinsic = self.create_signed_extrinsic( + extrinsic = await self.create_signed_extrinsic( call=call, keypair=keypair, signature=signature ) extrinsic_len = self.runtime_config.create_scale_object("u32") extrinsic_len.encode(len(extrinsic.data)) - result = self.runtime_call( + result = await self.runtime_call( "TransactionPaymentApi", "query_info", [extrinsic, extrinsic_len] ) return result.value - def get_type_registry(self, block_hash: str = None, max_recursion: int = 4) -> dict: + async def get_type_registry( + self, block_hash: str = None, max_recursion: int = 4 + ) -> dict: """ Generates an exhaustive list of which RUST types exist in the runtime specified at given block_hash (or chaintip if block_hash is omitted) @@ -6014,7 +2726,7 @@ def get_type_registry(self, block_hash: str = None, max_recursion: int = 4) -> d dict mapping the type strings to the type decompositions """ if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) if not self.implements_scaleinfo: raise NotImplementedError("MetadataV14 or higher runtimes is required") @@ -6037,7 +2749,9 @@ def get_type_registry(self, block_hash: str = None, max_recursion: int = 4) -> d return type_registry - def get_type_definition(self, type_string: str, block_hash: str = None) -> str: + async def get_type_definition( + self, type_string: str, block_hash: str = None + ) -> str: """ Retrieves SCALE encoding specifications of given type_string @@ -6048,10 +2762,10 @@ def get_type_definition(self, type_string: str, block_hash: str = None) -> str: Returns: type decomposition """ - scale_obj = self.create_scale_object(type_string, block_hash=block_hash) + scale_obj = await self.create_scale_object(type_string, block_hash=block_hash) return scale_obj.generate_type_decomposition() - def get_metadata_modules(self, block_hash=None) -> list[dict[str, Any]]: + async def get_metadata_modules(self, block_hash=None) -> list[dict[str, Any]]: """ Retrieves a list of modules in metadata for given block_hash (or chaintip if block_hash is omitted) @@ -6062,7 +2776,7 @@ def get_metadata_modules(self, block_hash=None) -> list[dict[str, Any]]: List of metadata modules """ if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) return [ { @@ -6079,7 +2793,7 @@ def get_metadata_modules(self, block_hash=None) -> list[dict[str, Any]]: for idx, module in enumerate(self.metadata.pallets) ] - def get_metadata_module(self, name, block_hash=None) -> ScaleType: + async def get_metadata_module(self, name, block_hash=None) -> ScaleType: """ Retrieves modules in metadata by name for given block_hash (or chaintip if block_hash is omitted) @@ -6091,11 +2805,11 @@ def get_metadata_module(self, name, block_hash=None) -> ScaleType: MetadataModule """ if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) return self.metadata.get_metadata_pallet(name) - def query( + async def query( self, module: str, storage_function: str, @@ -6107,16 +2821,16 @@ def query( ) -> Optional[Union["ScaleObj", Any]]: """ Queries substrate. This should only be used when making a single request. For multiple requests, - you should use ``self.query_multiple`` + you should use `self.query_multiple` """ - block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) + block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) if block_hash: self.last_block_hash = block_hash if not self.__metadata or block_hash: - runtime = self.init_runtime(block_hash=block_hash) + runtime = await self.init_runtime(block_hash=block_hash) else: runtime = self.runtime - preprocessed: Preprocessed = self._preprocess( + preprocessed: Preprocessed = await self._preprocess( params, block_hash, storage_function, module, raw_storage_key ) payload = [ @@ -6127,7 +2841,7 @@ def query( value_scale_type = preprocessed.value_scale_type storage_item = preprocessed.storage_item - responses = self._make_rpc_request( + responses = await self._make_rpc_request( payload, value_scale_type, storage_item, @@ -6139,7 +2853,7 @@ def query( return ScaleObj(result) return result - def query_map( + async def query_map( self, module: str, storage_function: str, @@ -6158,7 +2872,7 @@ def query_map( Example: ``` - result = substrate.query_map('System', 'Account', max_results=100) + result = await substrate.query_map('System', 'Account', max_results=100) async for account, account_info in result: print(f"Free balance of account '{account.value}': {account_info.value['data']['free']}") @@ -6186,11 +2900,11 @@ def query_map( """ hex_to_bytes_ = hex_to_bytes params = params or [] - block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) + block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) if block_hash: self.last_block_hash = block_hash if not self.__metadata or block_hash: - self.init_runtime(block_hash=block_hash) + await self.init_runtime(block_hash=block_hash) metadata_pallet = self.__metadata.get_metadata_pallet(module) if not metadata_pallet: @@ -6215,7 +2929,6 @@ def query_map( ) # Generate storage key prefix - # TODO should this use raw storage keys if necessary? storage_key = StorageKey.create_from_storage_function( module, storage_item.value["name"], @@ -6233,7 +2946,7 @@ def query_map( page_size = max_results # Retrieve storage keys - response = self.rpc_request( + response = await self.rpc_request( method="state_getKeysPaged", params=[prefix, page_size, start_key, block_hash], ) @@ -6263,7 +2976,7 @@ def concat_hash_len(key_hasher: str) -> int: last_key = result_keys[-1] # Retrieve corresponding value - response = self.rpc_request( + response = await self.rpc_request( method="state_queryStorageAt", params=[result_keys, block_hash] ) @@ -6281,7 +2994,7 @@ def concat_hash_len(key_hasher: str) -> int: ) key_type_string.append(param_types[n]) - item_key_obj = self.decode_scale( + item_key_obj = await self.decode_scale( type_string=f"({', '.join(key_type_string)})", scale_bytes=bytes.fromhex(item[0][len(prefix) :]), return_scale_obj=True, @@ -6304,7 +3017,7 @@ def concat_hash_len(key_hasher: str) -> int: try: item_bytes = hex_to_bytes_(item[1]) - item_value = self.decode_scale( + item_value = await self.decode_scale( type_string=value_type, scale_bytes=item_bytes, return_scale_obj=True, @@ -6314,7 +3027,7 @@ def concat_hash_len(key_hasher: str) -> int: raise item_value = None result.append([item_key, item_value]) - return QueryMapResult( + return self.query_map_result_cls( records=result, page_size=page_size, module=module, @@ -6327,12 +3040,12 @@ def concat_hash_len(key_hasher: str) -> int: ignore_decoding_errors=ignore_decoding_errors, ) - def submit_extrinsic( + async def submit_extrinsic( self, extrinsic: GenericExtrinsic, wait_for_inclusion: bool = False, wait_for_finalization: bool = False, - ) -> "ExtrinsicReceipt": + ) -> Union["AsyncExtrinsicReceipt", "ExtrinsicReceipt"]: """ Submit an extrinsic to the connected node, with the possibility to wait until the extrinsic is included in a block and/or the block is finalized. The receipt returned provided information about the block and @@ -6351,7 +3064,7 @@ def submit_extrinsic( if not isinstance(extrinsic, GenericExtrinsic): raise TypeError("'extrinsic' must be of type Extrinsics") - def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: + async def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: """ Result handler function passed as an arg to _make_rpc_request as the result_handler to handle the results of the extrinsic rpc call, which are multipart, and require @@ -6374,7 +3087,6 @@ def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: if "finalized" in message_result and wait_for_finalization: # Created as a task because we don't actually care about the result - # TODO change this logic self._forgettable_task = asyncio.create_task( self.rpc_request("author_unwatchExtrinsic", [subscription_id]) ) @@ -6389,7 +3101,6 @@ def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: and not wait_for_finalization ): # Created as a task because we don't actually care about the result - # TODO change this logic self._forgettable_task = asyncio.create_task( self.rpc_request("author_unwatchExtrinsic", [subscription_id]) ) @@ -6402,7 +3113,7 @@ def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: if wait_for_inclusion or wait_for_finalization: responses = ( - self._make_rpc_request( + await self._make_rpc_request( [ self.make_payload( "rpc_request", @@ -6423,7 +3134,7 @@ def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: # Also, this will be a multipart response, so maybe should change to everything after the first response? # The following code implies this will be a single response after the initial subscription id. - result = ExtrinsicReceipt( + result = self.extrinsic_receipt_cls( substrate=self, extrinsic_hash=response["extrinsic_hash"], block_hash=response["block_hash"], @@ -6431,16 +3142,20 @@ def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: ) else: - response = self.rpc_request("author_submitExtrinsic", [str(extrinsic.data)]) + response = await self.rpc_request( + "author_submitExtrinsic", [str(extrinsic.data)] + ) if "result" not in response: raise SubstrateRequestException(response.get("error")) - result = ExtrinsicReceipt(substrate=self, extrinsic_hash=response["result"]) + result = self.extrinsic_receipt_cls( + substrate=self, extrinsic_hash=response["result"] + ) return result - def get_metadata_call_function( + async def get_metadata_call_function( self, module_name: str, call_function_name: str, @@ -6459,7 +3174,7 @@ def get_metadata_call_function( list of call functions """ if not self.__metadata or block_hash: - runtime = self.init_runtime(block_hash=block_hash) + runtime = await self.init_runtime(block_hash=block_hash) else: runtime = self.runtime @@ -6470,9 +3185,9 @@ def get_metadata_call_function( return call return None - def get_block_number(self, block_hash: Optional[str] = None) -> int: + async def get_block_number(self, block_hash: Optional[str] = None) -> int: """Async version of `substrateinterface.base.get_block_number` method.""" - response = self.rpc_request("chain_getHeader", [block_hash]) + response = await self.rpc_request("chain_getHeader", [block_hash]) if "error" in response: raise SubstrateRequestException(response["error"]["message"]) @@ -6481,12 +3196,86 @@ def get_block_number(self, block_hash: Optional[str] = None) -> int: if response["result"]: return int(response["result"]["number"], 16) - def close(self): + async def close(self): """ Closes the substrate connection, and the websocket connection. """ - # TODO change this logic try: - self.ws.shutdown() + await self.ws.shutdown() except AttributeError: pass + + async def wait_for_block( + self, + block: int, + result_handler: Callable[[dict], Awaitable[Any]], + task_return: bool = True, + ) -> Union[asyncio.Task, Union[bool, Any]]: + """ + Executes the result_handler when the chain has reached the block specified. + + Args: + block: block number + result_handler: coroutine executed upon reaching the block number. This can be basically anything, but + must accept one single arg, a dict with the block data; whether you use this data or not is entirely + up to you. + task_return: True to immediately return the result of wait_for_block as an asyncio Task, False to wait + for the block to be reached, and return the result of the result handler. + + Returns: + Either an asyncio.Task (which contains the running subscription, and whose `result()` will contain the + return of the result_handler), or the result itself, depending on `task_return` flag. + Note that if your result_handler returns `None`, this method will return `True`, otherwise + the return will be the result of your result_handler. + """ + + async def _handler(block_data: dict[str, Any]): + required_number = block + number = block_data["header"]["number"] + if number >= required_number: + return ( + r if (r := await result_handler(block_data)) is not None else True + ) + + args = inspect.getfullargspec(result_handler).args + if len(args) != 1: + raise ValueError( + "result_handler must take exactly one arg: the dict block data." + ) + + co = self._get_block_handler( + self.last_block_hash, subscription_handler=_handler + ) + if task_return is True: + return asyncio.create_task(co) + else: + return await co + + +async def get_async_substrate_interface( + url: str, + use_remote_preset: bool = False, + auto_discover: bool = True, + ss58_format: Optional[int] = None, + type_registry: Optional[dict] = None, + chain_name: Optional[str] = None, + max_retries: int = 5, + retry_timeout: float = 60.0, + _mock: bool = False, +) -> "AsyncSubstrateInterface": + """ + Factory function for creating an initialized AsyncSubstrateInterface + """ + substrate = AsyncSubstrateInterface( + url, + use_remote_preset, + auto_discover, + ss58_format, + type_registry, + chain_name, + max_retries, + retry_timeout, + _mock, + ) + await substrate.initialize() + return substrate diff --git a/async_substrate_interface/sync_substrate.py b/async_substrate_interface/sync_substrate.py new file mode 100644 index 0000000..f5fd98c --- /dev/null +++ b/async_substrate_interface/sync_substrate.py @@ -0,0 +1,2941 @@ +import logging +import random +import time +from functools import lru_cache +from typing import Optional, Union, Callable, Any + +from bittensor_wallet.keypair import Keypair +from bt_decode import PortableRegistry, decode as decode_by_type_string, MetadataV15 +from scalecodec import GenericExtrinsic, GenericCall +from scalecodec.base import RuntimeConfigurationObject, ScaleBytes, ScaleType + +from async_substrate_interface.errors import ( + ExtrinsicNotFound, + SubstrateRequestException, + BlockNotFound, +) +from async_substrate_interface.types import ( + SubstrateMixin, + RuntimeCache, + Runtime, + RequestManager, + Preprocessed, + ScaleObj, +) +from async_substrate_interface.utils import hex_to_bytes +from async_substrate_interface.utils.storage import StorageKey + + +class ExtrinsicReceipt: + """ + Object containing information of submitted extrinsic. Block hash where extrinsic is included is required + when retrieving triggered events or determine if extrinsic was successful + """ + + def __init__( + self, + substrate: "SubstrateInterface", + extrinsic_hash: Optional[str] = None, + block_hash: Optional[str] = None, + block_number: Optional[int] = None, + extrinsic_idx: Optional[int] = None, + finalized: bool = False, + ): + """ + Object containing information of submitted extrinsic. Block hash where extrinsic is included is required + when retrieving triggered events or determine if extrinsic was successful + + Args: + substrate: the AsyncSubstrateInterface instance + extrinsic_hash: the hash of the extrinsic + block_hash: the hash of the block on which this extrinsic exists + finalized: whether the extrinsic is finalized + """ + self.substrate = substrate + self.extrinsic_hash = extrinsic_hash + self.block_hash = block_hash + self.block_number = block_number + self.finalized = finalized + + self.__extrinsic_idx = extrinsic_idx + self.__extrinsic = None + + self.__triggered_events: Optional[list] = None + self.__is_success: Optional[bool] = None + self.__error_message = None + self.__weight = None + self.__total_fee_amount = None + + def get_extrinsic_identifier(self) -> str: + """ + Returns the on-chain identifier for this extrinsic in format "[block_number]-[extrinsic_idx]" e.g. 134324-2 + Returns + ------- + str + """ + if self.block_number is None: + if self.block_hash is None: + raise ValueError( + "Cannot create extrinsic identifier: block_hash is not set" + ) + + self.block_number = self.substrate.get_block_number(self.block_hash) + + if self.block_number is None: + raise ValueError( + "Cannot create extrinsic identifier: unknown block_hash" + ) + + return f"{self.block_number}-{self.extrinsic_idx}" + + def retrieve_extrinsic(self): + if not self.block_hash: + raise ValueError( + "ExtrinsicReceipt can't retrieve events because it's unknown which block_hash it is " + "included, manually set block_hash or use `wait_for_inclusion` when sending extrinsic" + ) + # Determine extrinsic idx + + block = self.substrate.get_block(block_hash=self.block_hash) + + extrinsics = block["extrinsics"] + + if len(extrinsics) > 0: + if self.__extrinsic_idx is None: + self.__extrinsic_idx = self.__get_extrinsic_index( + block_extrinsics=extrinsics, extrinsic_hash=self.extrinsic_hash + ) + + if self.__extrinsic_idx >= len(extrinsics): + raise ExtrinsicNotFound() + + self.__extrinsic = extrinsics[self.__extrinsic_idx] + + @property + def extrinsic_idx(self) -> int: + """ + Retrieves the index of this extrinsic in containing block + + Returns + ------- + int + """ + if self.__extrinsic_idx is None: + self.retrieve_extrinsic() + return self.__extrinsic_idx + + @property + def triggered_events(self) -> list: + """ + Gets triggered events for submitted extrinsic. block_hash where extrinsic is included is required, manually + set block_hash or use `wait_for_inclusion` when submitting extrinsic + + Returns + ------- + list + """ + if self.__triggered_events is None: + if not self.block_hash: + raise ValueError( + "ExtrinsicReceipt can't retrieve events because it's unknown which block_hash it is " + "included, manually set block_hash or use `wait_for_inclusion` when sending extrinsic" + ) + + if self.extrinsic_idx is None: + self.retrieve_extrinsic() + + self.__triggered_events = [] + + for event in self.substrate.get_events(block_hash=self.block_hash): + if event["extrinsic_idx"] == self.extrinsic_idx: + self.__triggered_events.append(event) + + return self.__triggered_events + + @classmethod + def create_from_extrinsic_identifier( + cls, substrate: "SubstrateInterface", extrinsic_identifier: str + ) -> "ExtrinsicReceipt": + """ + Create an `AsyncExtrinsicReceipt` with on-chain identifier for this extrinsic in format + "[block_number]-[extrinsic_idx]" e.g. 134324-2 + + Args: + substrate: SubstrateInterface + extrinsic_identifier: "[block_number]-[extrinsic_idx]" e.g. 134324-2 + + Returns: + AsyncExtrinsicReceipt of the extrinsic + """ + id_parts = extrinsic_identifier.split("-", maxsplit=1) + block_number: int = int(id_parts[0]) + extrinsic_idx: int = int(id_parts[1]) + + # Retrieve block hash + block_hash = substrate.get_block_hash(block_number) + + return cls( + substrate=substrate, + block_hash=block_hash, + block_number=block_number, + extrinsic_idx=extrinsic_idx, + ) + + def process_events(self): + if self.triggered_events: + self.__total_fee_amount = 0 + + # Process fees + has_transaction_fee_paid_event = False + + for event in self.triggered_events: + if ( + event["event"]["module_id"] == "TransactionPayment" + and event["event"]["event_id"] == "TransactionFeePaid" + ): + self.__total_fee_amount = event["event"]["attributes"]["actual_fee"] + has_transaction_fee_paid_event = True + + # Process other events + for event in self.triggered_events: + # Check events + if ( + event["event"]["module_id"] == "System" + and event["event"]["event_id"] == "ExtrinsicSuccess" + ): + self.__is_success = True + self.__error_message = None + + if "dispatch_info" in event["event"]["attributes"]: + self.__weight = event["event"]["attributes"]["dispatch_info"][ + "weight" + ] + else: + # Backwards compatibility + self.__weight = event["event"]["attributes"]["weight"] + + elif ( + event["event"]["module_id"] == "System" + and event["event"]["event_id"] == "ExtrinsicFailed" + ): + self.__is_success = False + + dispatch_info = event["event"]["attributes"]["dispatch_info"] + dispatch_error = event["event"]["attributes"]["dispatch_error"] + + self.__weight = dispatch_info["weight"] + + if "Module" in dispatch_error: + module_index = dispatch_error["Module"][0]["index"] + error_index = int.from_bytes( + bytes(dispatch_error["Module"][0]["error"]), + byteorder="little", + signed=False, + ) + + if isinstance(error_index, str): + # Actual error index is first u8 in new [u8; 4] format + error_index = int(error_index[2:4], 16) + module_error = self.substrate.metadata.get_module_error( + module_index=module_index, error_index=error_index + ) + self.__error_message = { + "type": "Module", + "name": module_error.name, + "docs": module_error.docs, + } + elif "BadOrigin" in dispatch_error: + self.__error_message = { + "type": "System", + "name": "BadOrigin", + "docs": "Bad origin", + } + elif "CannotLookup" in dispatch_error: + self.__error_message = { + "type": "System", + "name": "CannotLookup", + "docs": "Cannot lookup", + } + elif "Other" in dispatch_error: + self.__error_message = { + "type": "System", + "name": "Other", + "docs": "Unspecified error occurred", + } + + elif not has_transaction_fee_paid_event: + if ( + event["event"]["module_id"] == "Treasury" + and event["event"]["event_id"] == "Deposit" + ): + self.__total_fee_amount += event["event"]["attributes"]["value"] + elif ( + event["event"]["module_id"] == "Balances" + and event["event"]["event_id"] == "Deposit" + ): + self.__total_fee_amount += event.value["attributes"]["amount"] + + @property + def is_success(self) -> bool: + """ + Returns `True` if `ExtrinsicSuccess` event is triggered, `False` in case of `ExtrinsicFailed` + In case of False `error_message` will contain more details about the error + + + Returns + ------- + bool + """ + if self.__is_success is None: + self.process_events() + + return self.__is_success + + @property + def error_message(self) -> Optional[dict]: + """ + Returns the error message if the extrinsic failed in format e.g.: + + `{'type': 'System', 'name': 'BadOrigin', 'docs': 'Bad origin'}` + + Returns + ------- + dict + """ + if self.__error_message is None: + if self.is_success: + return None + self.process_events() + return self.__error_message + + @property + def weight(self) -> Union[int, dict]: + """ + Contains the actual weight when executing this extrinsic + + Returns + ------- + int (WeightV1) or dict (WeightV2) + """ + if self.__weight is None: + self.process_events() + return self.__weight + + @property + def total_fee_amount(self) -> int: + """ + Contains the total fee costs deducted when executing this extrinsic. This includes fee for the validator + (`Balances.Deposit` event) and the fee deposited for the treasury (`Treasury.Deposit` event) + + Returns + ------- + int + """ + if self.__total_fee_amount is None: + self.process_events() + return self.__total_fee_amount + + # Helper functions + @staticmethod + def __get_extrinsic_index(block_extrinsics: list, extrinsic_hash: str) -> int: + """ + Returns the index of a provided extrinsic + """ + for idx, extrinsic in enumerate(block_extrinsics): + if ( + extrinsic.extrinsic_hash + and f"0x{extrinsic.extrinsic_hash.hex()}" == extrinsic_hash + ): + return idx + raise ExtrinsicNotFound() + + # Backwards compatibility methods + def __getitem__(self, item): + return getattr(self, item) + + def __iter__(self): + for item in self.__dict__.items(): + yield item + + def get(self, name): + return self[name] + + +class QueryMapResult: + def __init__( + self, + records: list, + page_size: int, + substrate: "SubstrateInterface", + module: Optional[str] = None, + storage_function: Optional[str] = None, + params: Optional[list] = None, + block_hash: Optional[str] = None, + last_key: Optional[str] = None, + max_results: Optional[int] = None, + ignore_decoding_errors: bool = False, + ): + self.records = records + self.page_size = page_size + self.module = module + self.storage_function = storage_function + self.block_hash = block_hash + self.substrate = substrate + self.last_key = last_key + self.max_results = max_results + self.params = params + self.ignore_decoding_errors = ignore_decoding_errors + self.loading_complete = False + self._buffer = iter(self.records) # Initialize the buffer with initial records + + async def retrieve_next_page(self, start_key) -> list: + result = self.substrate.query_map( + module=self.module, + storage_function=self.storage_function, + params=self.params, + page_size=self.page_size, + block_hash=self.block_hash, + start_key=start_key, + max_results=self.max_results, + ignore_decoding_errors=self.ignore_decoding_errors, + ) + if len(result.records) < self.page_size: + self.loading_complete = True + + # Update last key from new result set to use as offset for next page + self.last_key = result.last_key + return result.records + + def __iter__(self): + return self + + def get_next_record(self): + try: + # Try to get the next record from the buffer + record = next(self._buffer) + except StopIteration: + # If no more records in the buffer + return False, None + else: + return True, record + + def __next__(self): + successfully_retrieved, record = self.get_next_record() + if successfully_retrieved: + return record + + # If loading is already completed + if self.loading_complete: + raise StopIteration + + next_page = self.retrieve_next_page(self.last_key) + + # If we cannot retrieve the next page + if not next_page: + self.loading_complete = True + raise StopAsyncIteration + + # Update the buffer with the newly fetched records + self._buffer = iter(next_page) + return next(self._buffer) + + def __getitem__(self, item): + return self.records[item] + + +class SyncWebsocket: + # TODO change this + def __init__(self, websocket: "Websocket"): + self._ws = websocket + + def close(self): + self._event_loop_mgr.run(self._ws.shutdown()) + + +class SubstrateInterface(SubstrateMixin): + def __init__( + self, + url: str, + use_remote_preset: bool = False, + auto_discover: bool = True, + ss58_format: Optional[int] = None, + type_registry: Optional[dict] = None, + chain_name: str = "", + max_retries: int = 5, + retry_timeout: float = 60.0, + _mock: bool = False, + ): + """ + The sync compatible version of the subtensor interface commands we use in bittensor. Use this instance only + if you are not running within an event loop, otherwise use AsyncSubstrateInterface + + Args: + url: the URI of the chain to connect to + use_remote_preset: whether to pull the preset from GitHub + auto_discover: whether to automatically pull the presets based on the chain name and type registry + ss58_format: the specific SS58 format to use + type_registry: a dict of custom types + chain_name: the name of the chain (the result of the rpc request for "system_chain") + max_retries: number of times to retry RPC requests before giving up + retry_timeout: how to long wait since the last ping to retry the RPC request + _mock: whether to use mock version of the subtensor interface + + """ + self.max_retries = max_retries + self.retry_timeout = retry_timeout + self.chain_endpoint = url + self.url = url + self.__chain = chain_name + self.ws = Websocket( # TODO change this + url, + options={ + "max_size": 2**32, + "write_limit": 2**16, + }, + ) + self.config = { + "use_remote_preset": use_remote_preset, + "auto_discover": auto_discover, + "rpc_methods": None, + "strict_scale_decode": True, + } + self.initialized = False + self._forgettable_task = None + self.ss58_format = ss58_format + self.type_registry = type_registry + self.runtime_cache = RuntimeCache() + self.runtime_config = RuntimeConfigurationObject( + ss58_format=self.ss58_format, implements_scale_info=True + ) + self.__metadata_cache = {} + self.metadata_version_hex = "0x0f000000" # v15 + self.reload_type_registry() + + def __enter__(self): + self.initialize() + return self + + def initialize(self): + """ + Initialize the connection to the chain. + """ + if not self.initialized: + if not self.__chain: + chain = self.rpc_request("system_chain", []) + self.__chain = chain.get("result") + self.load_registry() + self._init_init_runtime() + self.initialized = True + + def __exit__(self, exc_type, exc_val, exc_tb): + pass + + @property + def properties(self): + if self.__properties is None: + self.__properties = self.rpc_request("system_properties", []).get("result") + return self.__properties + + @property + def version(self): + if self.__version is None: + self.__version = self.rpc_request("system_version", []).get("result") + return self.__version + + @property + def token_decimals(self): + if self.__token_decimals is None: + self.__token_decimals = self.properties.get("tokenDecimals") + return self.__token_decimals + + @property + def token_symbol(self): + if self.__token_symbol is None: + if self.properties: + self.__token_symbol = self.properties.get("tokenSymbol") + else: + self.__token_symbol = "UNIT" + return self.__token_symbol + + @property + def name(self): + if self.__name is None: + self.__name = self.rpc_request("system_name", []).get("result") + return self.__name + + def get_storage_item(self, module: str, storage_function: str): + if not self.__metadata: + self.init_runtime() + metadata_pallet = self.__metadata.get_metadata_pallet(module) + storage_item = metadata_pallet.get_storage_function(storage_function) + return storage_item + + def _get_current_block_hash( + self, block_hash: Optional[str], reuse: bool + ) -> Optional[str]: + if block_hash: + self.last_block_hash = block_hash + return block_hash + elif reuse: + if self.last_block_hash: + return self.last_block_hash + return block_hash + + def load_registry(self): + # This needs to happen before init_runtime + metadata_rpc_result = self.rpc_request( + "state_call", + ["Metadata_metadata_at_version", self.metadata_version_hex], + ) + metadata_option_hex_str = metadata_rpc_result["result"] + metadata_option_bytes = bytes.fromhex(metadata_option_hex_str[2:]) + metadata_v15 = MetadataV15.decode_from_metadata_option(metadata_option_bytes) + self.registry = PortableRegistry.from_metadata_v15(metadata_v15) + + def decode_scale( + self, + type_string: str, + scale_bytes: bytes, + return_scale_obj=False, + ) -> Any: + """ + Helper function to decode arbitrary SCALE-bytes (e.g. 0x02000000) according to given RUST type_string + (e.g. BlockNumber). The relevant versioning information of the type (if defined) will be applied if block_hash + is set + + Args: + type_string: the type string of the SCALE object for decoding + scale_bytes: the bytes representation of the SCALE object to decode + return_scale_obj: Whether to return the decoded value wrapped in a SCALE-object-like wrapper, or raw. + + Returns: + Decoded object + """ + + if scale_bytes == b"\x00": + obj = None + else: + obj = decode_by_type_string(type_string, self.registry, scale_bytes) + if return_scale_obj: + return ScaleObj(obj) + else: + return obj + + def encode_scale(self, type_string, value, block_hash=None) -> ScaleBytes: + """ + Helper function to encode arbitrary data into SCALE-bytes for given RUST type_string + + Args: + type_string: the type string of the SCALE object for decoding + value: value to encode + block_hash: the hash of the blockchain block whose metadata to use for encoding + + Returns: + ScaleBytes encoded value + """ + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + obj = self.runtime_config.create_scale_object( + type_string=type_string, metadata=self.__metadata + ) + return obj.encode(value) + + def _init_init_runtime(self): + """ + TODO rename/docstring + """ + runtime_info = self.get_block_runtime_version(None) + metadata = self.get_block_metadata() + self.__metadata = metadata + self.__metadata_cache[self.runtime_version] = self.__metadata + self.runtime_version = runtime_info.get("specVersion") + self.runtime_config.set_active_spec_version_id(self.runtime_version) + self.transaction_version = runtime_info.get("transactionVersion") + if self.implements_scaleinfo: + self.runtime_config.add_portable_registry(metadata) + # Set runtime compatibility flags + try: + _ = self.runtime_config.create_scale_object("sp_weights::weight_v2::Weight") + self.config["is_weight_v2"] = True + self.runtime_config.update_type_registry_types( + {"Weight": "sp_weights::weight_v2::Weight"} + ) + except NotImplementedError: + self.config["is_weight_v2"] = False + self.runtime_config.update_type_registry_types({"Weight": "WeightV1"}) + + def init_runtime( + self, block_hash: Optional[str] = None, block_id: Optional[int] = None + ) -> Runtime: + """ + This method is used by all other methods that deals with metadata and types defined in the type registry. + It optionally retrieves the block_hash when block_id is given and sets the applicable metadata for that + block_hash. Also, it applies all the versioned types at the time of the block_hash. + + Because parsing of metadata and type registry is quite heavy, the result will be cached per runtime id. + In the future there could be support for caching backends like Redis to make this cache more persistent. + + Args: + block_hash: optional block hash, should not be specified if block_id is + block_id: optional block id, should not be specified if block_hash is + + Returns: + Runtime object + """ + + def get_runtime(block_hash, block_id) -> Runtime: + # Check if runtime state already set to current block + if ( + (block_hash and block_hash == self.last_block_hash) + or (block_id and block_id == self.block_id) + ) and self.__metadata is not None: + return Runtime( + self.chain, + self.runtime_config, + self.__metadata, + self.type_registry, + ) + + if block_id is not None: + block_hash = self.get_block_hash(block_id) + + if not block_hash: + block_hash = self.get_chain_head() + + self.last_block_hash = block_hash + self.block_id = block_id + + # In fact calls and storage functions are decoded against runtime of previous block, therefore retrieve + # metadata and apply type registry of runtime of parent block + block_header = self.rpc_request("chain_getHeader", [self.last_block_hash]) + + if block_header["result"] is None: + raise SubstrateRequestException( + f'Block not found for "{self.last_block_hash}"' + ) + parent_block_hash: str = block_header["result"]["parentHash"] + + if ( + parent_block_hash + == "0x0000000000000000000000000000000000000000000000000000000000000000" + ): + runtime_block_hash = self.last_block_hash + else: + runtime_block_hash = parent_block_hash + + runtime_info = self.get_block_runtime_version(block_hash=runtime_block_hash) + + if runtime_info is None: + raise SubstrateRequestException( + f"No runtime information for block '{block_hash}'" + ) + # Check if runtime state already set to current block + if ( + runtime_info.get("specVersion") == self.runtime_version + and self.__metadata is not None + ): + return Runtime( + self.chain, + self.runtime_config, + self.__metadata, + self.type_registry, + ) + + self.runtime_version = runtime_info.get("specVersion") + self.transaction_version = runtime_info.get("transactionVersion") + + if not self.__metadata: + if self.runtime_version in self.__metadata_cache: + # Get metadata from cache + logging.debug( + "Retrieved metadata for {} from memory".format( + self.runtime_version + ) + ) + metadata = self.__metadata = self.__metadata_cache[ + self.runtime_version + ] + else: + metadata = self.__metadata = self.get_block_metadata( + block_hash=runtime_block_hash, decode=True + ) + logging.debug( + "Retrieved metadata for {} from Substrate node".format( + self.runtime_version + ) + ) + + # Update metadata cache + self.__metadata_cache[self.runtime_version] = self.__metadata + else: + metadata = self.__metadata + # Update type registry + self.reload_type_registry(use_remote_preset=False, auto_discover=True) + + if self.implements_scaleinfo: + logging.debug("Add PortableRegistry from metadata to type registry") + self.runtime_config.add_portable_registry(metadata) + + # Set active runtime version + self.runtime_config.set_active_spec_version_id(self.runtime_version) + + # Check and apply runtime constants + ss58_prefix_constant = self.get_constant( + "System", "SS58Prefix", block_hash=block_hash + ) + + if ss58_prefix_constant: + self.ss58_format = ss58_prefix_constant + + # Set runtime compatibility flags + try: + _ = self.runtime_config.create_scale_object( + "sp_weights::weight_v2::Weight" + ) + self.config["is_weight_v2"] = True + self.runtime_config.update_type_registry_types( + {"Weight": "sp_weights::weight_v2::Weight"} + ) + except NotImplementedError: + self.config["is_weight_v2"] = False + self.runtime_config.update_type_registry_types({"Weight": "WeightV1"}) + return Runtime( + self.chain, + self.runtime_config, + metadata, + self.type_registry, + ) + + if block_id and block_hash: + raise ValueError("Cannot provide block_hash and block_id at the same time") + + if ( + not (runtime := self.runtime_cache.retrieve(block_id, block_hash)) + or runtime.metadata is None + ): + runtime = get_runtime(block_hash, block_id) + self.runtime_cache.add_item(block_id, block_hash, runtime) + return runtime + + def create_storage_key( + self, + pallet: str, + storage_function: str, + params: Optional[list] = None, + block_hash: str = None, + ) -> StorageKey: + """ + Create a `StorageKey` instance providing storage function details. See `subscribe_storage()`. + + Args: + pallet: name of pallet + storage_function: name of storage function + params: list of parameters in case of a Mapped storage function + block_hash: the hash of the blockchain block whose runtime to use + + Returns: + StorageKey + """ + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + return StorageKey.create_from_storage_function( + pallet, + storage_function, + params, + runtime_config=self.runtime_config, + metadata=self.__metadata, + ) + + def get_metadata_storage_functions(self, block_hash=None) -> list: + """ + Retrieves a list of all storage functions in metadata active at given block_hash (or chaintip if block_hash is + omitted) + + Args: + block_hash: hash of the blockchain block whose runtime to use + + Returns: + list of storage functions + """ + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + storage_list = [] + + for module_idx, module in enumerate(self.metadata.pallets): + if module.storage: + for storage in module.storage: + storage_list.append( + self.serialize_storage_item( + storage_item=storage, + module=module, + spec_version_id=self.runtime_version, + ) + ) + + return storage_list + + def get_metadata_storage_function(self, module_name, storage_name, block_hash=None): + """ + Retrieves the details of a storage function for given module name, call function name and block_hash + + Args: + module_name + storage_name + block_hash + + Returns: + Metadata storage function + """ + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + pallet = self.metadata.get_metadata_pallet(module_name) + + if pallet: + return pallet.get_storage_function(storage_name) + + def get_metadata_errors(self, block_hash=None) -> list[dict[str, Optional[str]]]: + """ + Retrieves a list of all errors in metadata active at given block_hash (or chaintip if block_hash is omitted) + + Args: + block_hash: hash of the blockchain block whose metadata to use + + Returns: + list of errors in the metadata + """ + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + error_list = [] + + for module_idx, module in enumerate(self.__metadata.pallets): + if module.errors: + for error in module.errors: + error_list.append( + self.serialize_module_error( + module=module, + error=error, + spec_version=self.runtime_version, + ) + ) + + return error_list + + def get_metadata_error(self, module_name, error_name, block_hash=None): + """ + Retrieves the details of an error for given module name, call function name and block_hash + + Args: + module_name: module name for the error lookup + error_name: error name for the error lookup + block_hash: hash of the blockchain block whose metadata to use + + Returns: + error + + """ + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + for module_idx, module in enumerate(self.__metadata.pallets): + if module.name == module_name and module.errors: + for error in module.errors: + if error_name == error.name: + return error + + def get_metadata_runtime_call_functions( + self, + ) -> list[GenericRuntimeCallDefinition]: + """ + Get a list of available runtime API calls + + Returns: + list of runtime call functions + """ + if not self.__metadata: + self.init_runtime() + call_functions = [] + + for api, methods in self.runtime_config.type_registry["runtime_api"].items(): + for method in methods["methods"].keys(): + call_functions.append( + self.get_metadata_runtime_call_function(api, method) + ) + + return call_functions + + def get_metadata_runtime_call_function( + self, api: str, method: str + ) -> GenericRuntimeCallDefinition: + """ + Get details of a runtime API call + + Args: + api: Name of the runtime API e.g. 'TransactionPaymentApi' + method: Name of the method e.g. 'query_fee_details' + + Returns: + runtime call function + """ + if not self.__metadata: + self.init_runtime() + + try: + runtime_call_def = self.runtime_config.type_registry["runtime_api"][api][ + "methods" + ][method] + runtime_call_def["api"] = api + runtime_call_def["method"] = method + runtime_api_types = self.runtime_config.type_registry["runtime_api"][ + api + ].get("types", {}) + except KeyError: + raise ValueError(f"Runtime API Call '{api}.{method}' not found in registry") + + # Add runtime API types to registry + self.runtime_config.update_type_registry_types(runtime_api_types) + + runtime_call_def_obj = self.create_scale_object("RuntimeCallDefinition") + runtime_call_def_obj.encode(runtime_call_def) + + return runtime_call_def_obj + + def _get_block_handler( + self, + block_hash: str, + ignore_decoding_errors: bool = False, + include_author: bool = False, + header_only: bool = False, + finalized_only: bool = False, + subscription_handler: Optional[Callable] = None, + ): + try: + self.init_runtime(block_hash=block_hash) + except BlockNotFound: + return None + + def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: + if block_data: + if block_data_hash: + block_data["header"]["hash"] = block_data_hash + + if isinstance(block_data["header"]["number"], str): + # Convert block number from hex (backwards compatibility) + block_data["header"]["number"] = int( + block_data["header"]["number"], 16 + ) + + extrinsic_cls = self.runtime_config.get_decoder_class("Extrinsic") + + if "extrinsics" in block_data: + for idx, extrinsic_data in enumerate(block_data["extrinsics"]): + try: + extrinsic_decoder = extrinsic_cls( + data=ScaleBytes(extrinsic_data), + metadata=self.__metadata, + runtime_config=self.runtime_config, + ) + extrinsic_decoder.decode(check_remaining=True) + block_data["extrinsics"][idx] = extrinsic_decoder + + except Exception: + if not ignore_decoding_errors: + raise + block_data["extrinsics"][idx] = None + + for idx, log_data in enumerate(block_data["header"]["digest"]["logs"]): + if isinstance(log_data, str): + # Convert digest log from hex (backwards compatibility) + try: + log_digest_cls = self.runtime_config.get_decoder_class( + "sp_runtime::generic::digest::DigestItem" + ) + + if log_digest_cls is None: + raise NotImplementedError( + "No decoding class found for 'DigestItem'" + ) + + log_digest = log_digest_cls(data=ScaleBytes(log_data)) + log_digest.decode( + check_remaining=self.config.get("strict_scale_decode") + ) + + block_data["header"]["digest"]["logs"][idx] = log_digest + + if include_author and "PreRuntime" in log_digest.value: + if self.implements_scaleinfo: + engine = bytes(log_digest[1][0]) + # Retrieve validator set + parent_hash = block_data["header"]["parentHash"] + validator_set = self.query( + "Session", "Validators", block_hash=parent_hash + ) + + if engine == b"BABE": + babe_predigest = ( + self.runtime_config.create_scale_object( + type_string="RawBabePreDigest", + data=ScaleBytes( + bytes(log_digest[1][1]) + ), + ) + ) + + babe_predigest.decode( + check_remaining=self.config.get( + "strict_scale_decode" + ) + ) + + rank_validator = babe_predigest[1].value[ + "authority_index" + ] + + block_author = validator_set[rank_validator] + block_data["author"] = block_author.value + + elif engine == b"aura": + aura_predigest = ( + self.runtime_config.create_scale_object( + type_string="RawAuraPreDigest", + data=ScaleBytes( + bytes(log_digest[1][1]) + ), + ) + ) + + aura_predigest.decode(check_remaining=True) + + rank_validator = aura_predigest.value[ + "slot_number" + ] % len(validator_set) + + block_author = validator_set[rank_validator] + block_data["author"] = block_author.value + else: + raise NotImplementedError( + f"Cannot extract author for engine {log_digest.value['PreRuntime'][0]}" + ) + else: + if ( + log_digest.value["PreRuntime"]["engine"] + == "BABE" + ): + validator_set = self.query( + "Session", + "Validators", + block_hash=block_hash, + ) + rank_validator = log_digest.value["PreRuntime"][ + "data" + ]["authority_index"] + + block_author = validator_set.elements[ + rank_validator + ] + block_data["author"] = block_author.value + else: + raise NotImplementedError( + f"Cannot extract author for engine" + f" {log_digest.value['PreRuntime']['engine']}" + ) + + except Exception: + if not ignore_decoding_errors: + raise + block_data["header"]["digest"]["logs"][idx] = None + + return block_data + + if callable(subscription_handler): + rpc_method_prefix = "Finalized" if finalized_only else "New" + + def result_handler(message: dict, subscription_id: str) -> tuple[Any, bool]: + reached = False + subscription_result = None + if "params" in message: + new_block = decode_block({"header": message["params"]["result"]}) + + subscription_result = subscription_handler(new_block) + + if subscription_result is not None: + reached = True + # Handler returned end result: unsubscribe from further updates + # TODO this logic needs to change + self._forgettable_task = asyncio.create_task( + self.rpc_request( + f"chain_unsubscribe{rpc_method_prefix}Heads", + [subscription_id], + ) + ) + + return subscription_result, reached + + result = self._make_rpc_request( + [ + self.make_payload( + "_get_block_handler", + f"chain_subscribe{rpc_method_prefix}Heads", + [], + ) + ], + result_handler=result_handler, + ) + + return result["_get_block_handler"][-1] + + else: + if header_only: + response = self.rpc_request("chain_getHeader", [block_hash]) + return decode_block( + {"header": response["result"]}, block_data_hash=block_hash + ) + + else: + response = self.rpc_request("chain_getBlock", [block_hash]) + return decode_block( + response["result"]["block"], block_data_hash=block_hash + ) + + def get_block( + self, + block_hash: Optional[str] = None, + block_number: Optional[int] = None, + ignore_decoding_errors: bool = False, + include_author: bool = False, + finalized_only: bool = False, + ) -> Optional[dict]: + """ + Retrieves a block and decodes its containing extrinsics and log digest items. If `block_hash` and `block_number` + is omitted the chain tip will be retrieved, or the finalized head if `finalized_only` is set to true. + + Either `block_hash` or `block_number` should be set, or both omitted. + + Args: + block_hash: the hash of the block to be retrieved + block_number: the block number to retrieved + ignore_decoding_errors: When set this will catch all decoding errors, set the item to None and continue + decoding + include_author: This will retrieve the block author from the validator set and add to the result + finalized_only: when no `block_hash` or `block_number` is set, this will retrieve the finalized head + + Returns: + A dict containing the extrinsic and digest logs data + """ + if block_hash and block_number: + raise ValueError("Either block_hash or block_number should be set") + + if block_number is not None: + block_hash = self.get_block_hash(block_number) + + if block_hash is None: + return + + if block_hash and finalized_only: + raise ValueError( + "finalized_only cannot be True when block_hash is provided" + ) + + if block_hash is None: + # Retrieve block hash + if finalized_only: + block_hash = self.get_chain_finalised_head() + else: + block_hash = self.get_chain_head() + + return self._get_block_handler( + block_hash=block_hash, + ignore_decoding_errors=ignore_decoding_errors, + header_only=False, + include_author=include_author, + ) + + def get_block_header( + self, + block_hash: Optional[str] = None, + block_number: Optional[int] = None, + ignore_decoding_errors: bool = False, + include_author: bool = False, + finalized_only: bool = False, + ) -> dict: + """ + Retrieves a block header and decodes its containing log digest items. If `block_hash` and `block_number` + is omitted the chain tip will be retrieved, or the finalized head if `finalized_only` is set to true. + + Either `block_hash` or `block_number` should be set, or both omitted. + + See `get_block()` to also include the extrinsics in the result + + Args: + block_hash: the hash of the block to be retrieved + block_number: the block number to retrieved + ignore_decoding_errors: When set this will catch all decoding errors, set the item to None and continue + decoding + include_author: This will retrieve the block author from the validator set and add to the result + finalized_only: when no `block_hash` or `block_number` is set, this will retrieve the finalized head + + Returns: + A dict containing the header and digest logs data + """ + if block_hash and block_number: + raise ValueError("Either block_hash or block_number should be be set") + + if block_number is not None: + block_hash = self.get_block_hash(block_number) + + if block_hash is None: + return + + if block_hash and finalized_only: + raise ValueError( + "finalized_only cannot be True when block_hash is provided" + ) + + if block_hash is None: + # Retrieve block hash + if finalized_only: + block_hash = self.get_chain_finalised_head() + else: + block_hash = self.get_chain_head() + + else: + # Check conflicting scenarios + if finalized_only: + raise ValueError( + "finalized_only cannot be True when block_hash is provided" + ) + + return self._get_block_handler( + block_hash=block_hash, + ignore_decoding_errors=ignore_decoding_errors, + header_only=True, + include_author=include_author, + ) + + def subscribe_block_headers( + self, + subscription_handler: callable, + ignore_decoding_errors: bool = False, + include_author: bool = False, + finalized_only=False, + ): + """ + Subscribe to new block headers as soon as they are available. The callable `subscription_handler` will be + executed when a new block is available and execution will block until `subscription_handler` will return + a result other than `None`. + + Example: + + ``` + async def subscription_handler(obj, update_nr, subscription_id): + + print(f"New block #{obj['header']['number']} produced by {obj['header']['author']}") + + if update_nr > 10 + return {'message': 'Subscription will cancel when a value is returned', 'updates_processed': update_nr} + + + result = substrate.subscribe_block_headers(subscription_handler, include_author=True) + ``` + + Args: + subscription_handler: the coroutine as explained above + ignore_decoding_errors: When set this will catch all decoding errors, set the item to `None` and continue + decoding + include_author: This will retrieve the block author from the validator set and add to the result + finalized_only: when no `block_hash` or `block_number` is set, this will retrieve the finalized head + + Returns: + Value return by `subscription_handler` + """ + # Retrieve block hash + if finalized_only: + block_hash = self.get_chain_finalised_head() + else: + block_hash = self.get_chain_head() + + return self._get_block_handler( + block_hash, + subscription_handler=subscription_handler, + ignore_decoding_errors=ignore_decoding_errors, + include_author=include_author, + finalized_only=finalized_only, + ) + + def retrieve_extrinsic_by_identifier( + self, extrinsic_identifier: str + ) -> "ExtrinsicReceipt": + """ + Retrieve an extrinsic by its identifier in format "[block_number]-[extrinsic_index]" e.g. 333456-4 + + Args: + extrinsic_identifier: "[block_number]-[extrinsic_idx]" e.g. 134324-2 + + Returns: + ExtrinsicReceiptLike object of the extrinsic + """ + return ExtrinsicReceipt.create_from_extrinsic_identifier( + substrate=self, extrinsic_identifier=extrinsic_identifier + ) + + def retrieve_extrinsic_by_hash( + self, block_hash: str, extrinsic_hash: str + ) -> "ExtrinsicReceipt": + """ + Retrieve an extrinsic by providing the block_hash and the extrinsic hash + + Args: + block_hash: hash of the blockchain block where the extrinsic is located + extrinsic_hash: hash of the extrinsic + + Returns: + ExtrinsicReceiptLike of the extrinsic + """ + return ExtrinsicReceipt( + substrate=self, block_hash=block_hash, extrinsic_hash=extrinsic_hash + ) + + def get_extrinsics( + self, block_hash: str = None, block_number: int = None + ) -> Optional[list["ExtrinsicReceipt"]]: + """ + Return all extrinsics for given block_hash or block_number + + Args: + block_hash: hash of the blockchain block to retrieve extrinsics for + block_number: block number to retrieve extrinsics for + + Returns: + ExtrinsicReceipts of the extrinsics for the block, if any. + """ + block = self.get_block(block_hash=block_hash, block_number=block_number) + if block: + return block["extrinsics"] + + def get_events(self, block_hash: Optional[str] = None) -> list: + """ + Convenience method to get events for a certain block (storage call for module 'System' and function 'Events') + + Args: + block_hash: the hash of the block to be retrieved + + Returns: + list of events + """ + + def convert_event_data(data): + # Extract phase information + phase_key, phase_value = next(iter(data["phase"].items())) + try: + extrinsic_idx = phase_value[0] + except IndexError: + extrinsic_idx = None + + # Extract event details + module_id, event_data = next(iter(data["event"].items())) + event_id, attributes_data = next(iter(event_data[0].items())) + + # Convert class and pays_fee dictionaries to their string equivalents if they exist + attributes = attributes_data + if isinstance(attributes, dict): + for key, value in attributes.items(): + if isinstance(value, dict): + # Convert nested single-key dictionaries to their keys as strings + sub_key = next(iter(value.keys())) + if value[sub_key] == (): + attributes[key] = sub_key + + # Create the converted dictionary + converted = { + "phase": phase_key, + "extrinsic_idx": extrinsic_idx, + "event": { + "module_id": module_id, + "event_id": event_id, + "attributes": attributes, + }, + "topics": list(data["topics"]), # Convert topics tuple to a list + } + + return converted + + events = [] + + if not block_hash: + block_hash = self.get_chain_head() + + storage_obj = self.query( + module="System", storage_function="Events", block_hash=block_hash + ) + if storage_obj: + for item in list(storage_obj): + events.append(convert_event_data(item)) + return events + + def get_block_runtime_version(self, block_hash: str) -> dict: + """ + Retrieve the runtime version id of given block_hash + """ + response = self.rpc_request("state_getRuntimeVersion", [block_hash]) + return response.get("result") + + def get_block_metadata( + self, block_hash: Optional[str] = None, decode: bool = True + ) -> Optional[Union[dict, ScaleType]]: + """ + A pass-though to existing JSONRPC method `state_getMetadata`. + + Args: + block_hash: the hash of the block to be queried against + decode: Whether to decode the metadata or present it raw + + Returns: + metadata, either as a dict (not decoded) or ScaleType (decoded); None if there was no response + from the server + """ + params = None + if decode and not self.runtime_config: + raise ValueError( + "Cannot decode runtime configuration without a supplied runtime_config" + ) + + if block_hash: + params = [block_hash] + response = self.rpc_request("state_getMetadata", params) + + if "error" in response: + raise SubstrateRequestException(response["error"]["message"]) + + if (result := response.get("result")) and decode: + metadata_decoder = self.runtime_config.create_scale_object( + "MetadataVersioned", data=ScaleBytes(result) + ) + metadata_decoder.decode() + + return metadata_decoder + else: + return result + + def _preprocess( + self, + query_for: Optional[list], + block_hash: Optional[str], + storage_function: str, + module: str, + raw_storage_key: Optional[bytes] = None, + ) -> Preprocessed: + """ + Creates a Preprocessed data object for passing to `_make_rpc_request` + """ + params = query_for if query_for else [] + # Search storage call in metadata + metadata_pallet = self.__metadata.get_metadata_pallet(module) + + if not metadata_pallet: + raise SubstrateRequestException(f'Pallet "{module}" not found') + + storage_item = metadata_pallet.get_storage_function(storage_function) + + if not metadata_pallet or not storage_item: + raise SubstrateRequestException( + f'Storage function "{module}.{storage_function}" not found' + ) + + # SCALE type string of value + param_types = storage_item.get_params_type_string() + value_scale_type = storage_item.get_value_type_string() + + if len(params) != len(param_types): + raise ValueError( + f"Storage function requires {len(param_types)} parameters, {len(params)} given" + ) + if raw_storage_key: + storage_key = StorageKey.create_from_data( + data=raw_storage_key, + pallet=module, + storage_function=storage_function, + value_scale_type=value_scale_type, + metadata=self.metadata, + runtime_config=self.runtime_config, + ) + else: + storage_key = StorageKey.create_from_storage_function( + module, + storage_item.value["name"], + params, + runtime_config=self.runtime_config, + metadata=self.__metadata, + ) + method = "state_getStorageAt" + return Preprocessed( + str(query_for), + method, + [storage_key.to_hex(), block_hash], + value_scale_type, + storage_item, + ) + + def _process_response( + self, + response: dict, + subscription_id: Union[int, str], + value_scale_type: Optional[str] = None, + storage_item: Optional[ScaleType] = None, + runtime: Optional[Runtime] = None, + result_handler: Optional[ResultHandler] = None, + ) -> tuple[Any, bool]: + """ + Processes the RPC call response by decoding it, returning it as is, or setting a handler for subscriptions, + depending on the specific call. + + Args: + response: the RPC call response + subscription_id: the subscription id for subscriptions, used only for subscriptions with a result handler + value_scale_type: Scale Type string used for decoding ScaleBytes results + storage_item: The ScaleType object used for decoding ScaleBytes results + runtime: the runtime object, used for decoding ScaleBytes results + result_handler: the result handler coroutine used for handling longer-running subscriptions + + Returns: + (decoded response, completion) + """ + result: Union[dict, ScaleType] = response + if value_scale_type and isinstance(storage_item, ScaleType): + if (response_result := response.get("result")) is not None: + query_value = response_result + elif storage_item.value["modifier"] == "Default": + # Fallback to default value of storage function if no result + query_value = storage_item.value_object["default"].value_object + else: + # No result is interpreted as an Option<...> result + value_scale_type = f"Option<{value_scale_type}>" + query_value = storage_item.value_object["default"].value_object + if isinstance(query_value, str): + q = bytes.fromhex(query_value[2:]) + elif isinstance(query_value, bytearray): + q = bytes(query_value) + else: + q = query_value + result = self.decode_scale(value_scale_type, q) + if isinstance(result_handler, Callable): + # For multipart responses as a result of subscriptions. + message, bool_result = result_handler(result, subscription_id) + return message, bool_result + return result, True + + def _make_rpc_request( + self, + payloads: list[dict], + value_scale_type: Optional[str] = None, + storage_item: Optional[ScaleType] = None, + runtime: Optional[Runtime] = None, + result_handler: Optional[ResultHandler] = None, + attempt: int = 1, + ) -> RequestManager.RequestResults: + request_manager = RequestManager(payloads) + + subscription_added = False + + # TODO add this logic + with self.ws as ws: + if len(payloads) > 1: + send_coroutines = await asyncio.gather( + *[ws.send(item["payload"]) for item in payloads] + ) + for item_id, item in zip(send_coroutines, payloads): + request_manager.add_request(item_id, item["id"]) + else: + item = payloads[0] + item_id = ws.send(item["payload"]) + request_manager.add_request(item_id, item["id"]) + + while True: + for item_id in list(request_manager.response_map.keys()): + if item_id not in request_manager.responses or isinstance( + result_handler, Callable + ): + if response := ws.retrieve(item_id): + if ( + isinstance(result_handler, Callable) + and not subscription_added + ): + # handles subscriptions, overwrites the previous mapping of {item_id : payload_id} + # with {subscription_id : payload_id} + try: + item_id = request_manager.overwrite_request( + item_id, response["result"] + ) + subscription_added = True + except KeyError: + raise SubstrateRequestException(str(response)) + decoded_response, complete = self._process_response( + response, + item_id, + value_scale_type, + storage_item, + runtime, + result_handler, + ) + request_manager.add_response( + item_id, decoded_response, complete + ) + + if request_manager.is_complete: + break + if time.time() - self.ws.last_received >= self.retry_timeout: + if attempt >= self.max_retries: + logging.warning( + f"Timed out waiting for RPC requests {attempt} times. Exiting." + ) + raise SubstrateRequestException("Max retries reached.") + else: + self.ws.last_received = time.time() + self.ws.connect(force=True) + logging.error( + f"Timed out waiting for RPC requests. " + f"Retrying attempt {attempt + 1} of {self.max_retries}" + ) + return self._make_rpc_request( + payloads, + value_scale_type, + storage_item, + runtime, + result_handler, + attempt + 1, + ) + + return request_manager.get_results() + + # TODO change this logic + @lru_cache(maxsize=512) # RPC methods are unlikely to change often + def supports_rpc_method(self, name: str) -> bool: + """ + Check if substrate RPC supports given method + Parameters + ---------- + name: name of method to check + + Returns + ------- + bool + """ + result = self.rpc_request("rpc_methods", []).get("result") + if result: + self.config["rpc_methods"] = result.get("methods", []) + + return name in self.config["rpc_methods"] + + def rpc_request( + self, + method: str, + params: Optional[list], + block_hash: Optional[str] = None, + reuse_block_hash: bool = False, + ) -> Any: + """ + Makes an RPC request to the subtensor. Use this only if `self.query`` and `self.query_multiple` and + `self.query_map` do not meet your needs. + + Args: + method: str the method in the RPC request + params: list of the params in the RPC request + block_hash: the hash of the block — only supply this if not supplying the block + hash in the params, and not reusing the block hash + reuse_block_hash: whether to reuse the block hash in the params — only mark as True + if not supplying the block hash in the params, or via the `block_hash` parameter + + Returns: + the response from the RPC request + """ + block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) + params = params or [] + payload_id = f"{method}{random.randint(0, 7000)}" + payloads = [ + self.make_payload( + payload_id, + method, + params + [block_hash] if block_hash else params, + ) + ] + runtime = Runtime( + self.chain, + self.runtime_config, + self.__metadata, + self.type_registry, + ) + result = self._make_rpc_request(payloads, runtime=runtime) + if "error" in result[payload_id][0]: + if ( + "Failed to get runtime version" + in result[payload_id][0]["error"]["message"] + ): + logging.warning( + "Failed to get runtime. Re-fetching from chain, and retrying." + ) + self.init_runtime() + return self.rpc_request(method, params, block_hash, reuse_block_hash) + raise SubstrateRequestException(result[payload_id][0]["error"]["message"]) + if "result" in result[payload_id][0]: + return result[payload_id][0] + else: + raise SubstrateRequestException(result[payload_id][0]) + + def get_block_hash(self, block_id: int) -> str: + return self.rpc_request("chain_getBlockHash", [block_id])["result"] + + def get_chain_head(self) -> str: + result = self._make_rpc_request( + [ + self.make_payload( + "rpc_request", + "chain_getHead", + [], + ) + ], + runtime=Runtime( + self.chain, + self.runtime_config, + self.__metadata, + self.type_registry, + ), + ) + self.last_block_hash = result["rpc_request"][0]["result"] + return result["rpc_request"][0]["result"] + + def compose_call( + self, + call_module: str, + call_function: str, + call_params: Optional[dict] = None, + block_hash: Optional[str] = None, + ) -> GenericCall: + """ + Composes a call payload which can be used in an extrinsic. + + Args: + call_module: Name of the runtime module e.g. Balances + call_function: Name of the call function e.g. transfer + call_params: This is a dict containing the params of the call. e.g. + `{'dest': 'EaG2CRhJWPb7qmdcJvy3LiWdh26Jreu9Dx6R1rXxPmYXoDk', 'value': 1000000000000}` + block_hash: Use metadata at given block_hash to compose call + + Returns: + A composed call + """ + if call_params is None: + call_params = {} + + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + call = self.runtime_config.create_scale_object( + type_string="Call", metadata=self.__metadata + ) + + call.encode( + { + "call_module": call_module, + "call_function": call_function, + "call_args": call_params, + } + ) + + return call + + def query_multiple( + self, + params: list, + storage_function: str, + module: str, + block_hash: Optional[str] = None, + reuse_block_hash: bool = False, + ) -> dict[str, ScaleType]: + """ + Queries the subtensor. Only use this when making multiple queries, else use ``self.query`` + """ + block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) + if block_hash: + self.last_block_hash = block_hash + if not self.__metadata or block_hash: + runtime = self.init_runtime(block_hash=block_hash) + else: + runtime = self.runtime + + preprocessed: tuple[Preprocessed] = [ + self._preprocess([x], block_hash, storage_function, module) for x in params + ] + all_info = [ + self.make_payload(item.queryable, item.method, item.params) + for item in preprocessed + ] + # These will always be the same throughout the preprocessed list, so we just grab the first one + value_scale_type = preprocessed[0].value_scale_type + storage_item = preprocessed[0].storage_item + + responses = self._make_rpc_request( + all_info, value_scale_type, storage_item, runtime + ) + return { + param: responses[p.queryable][0] for (param, p) in zip(params, preprocessed) + } + + def query_multi( + self, storage_keys: list[StorageKey], block_hash: Optional[str] = None + ) -> list: + """ + Query multiple storage keys in one request. + + Example: + + ``` + storage_keys = [ + substrate.create_storage_key( + "System", "Account", ["F4xQKRUagnSGjFqafyhajLs94e7Vvzvr8ebwYJceKpr8R7T"] + ), + substrate.create_storage_key( + "System", "Account", ["GSEX8kR4Kz5UZGhvRUCJG93D5hhTAoVZ5tAe6Zne7V42DSi"] + ) + ] + + result = substrate.query_multi(storage_keys) + ``` + + Args: + storage_keys: list of StorageKey objects + block_hash: hash of the block to query against + + Returns: + list of `(storage_key, scale_obj)` tuples + """ + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + # Retrieve corresponding value + response = self.rpc_request( + "state_queryStorageAt", [[s.to_hex() for s in storage_keys], block_hash] + ) + + if "error" in response: + raise SubstrateRequestException(response["error"]["message"]) + + result = [] + + storage_key_map = {s.to_hex(): s for s in storage_keys} + + for result_group in response["result"]: + for change_storage_key, change_data in result_group["changes"]: + # Decode result for specified storage_key + storage_key = storage_key_map[change_storage_key] + if change_data is None: + change_data = b"\x00" + else: + change_data = bytes.fromhex(change_data[2:]) + result.append( + ( + storage_key, + self.decode_scale(storage_key.value_scale_type, change_data), + ) + ) + + return result + + def create_scale_object( + self, + type_string: str, + data: Optional[ScaleBytes] = None, + block_hash: Optional[str] = None, + **kwargs, + ) -> "ScaleType": + """ + Convenience method to create a SCALE object of type `type_string`, this will initialize the runtime + automatically at moment of `block_hash`, or chain tip if omitted. + + Args: + type_string: Name of SCALE type to create + data: ScaleBytes: ScaleBytes to decode + block_hash: block hash for moment of decoding, when omitted the chain tip will be used + kwargs: keyword args for the Scale Type constructor + + Returns: + The created Scale Type object + """ + if not self.__metadata or block_hash: + runtime = self.init_runtime(block_hash=block_hash) + else: + runtime = self.runtime + if "metadata" not in kwargs: + kwargs["metadata"] = runtime.metadata + + return runtime.runtime_config.create_scale_object( + type_string, data=data, **kwargs + ) + + def generate_signature_payload( + self, + call: GenericCall, + era=None, + nonce: int = 0, + tip: int = 0, + tip_asset_id: Optional[int] = None, + include_call_length: bool = False, + ) -> ScaleBytes: + # Retrieve genesis hash + genesis_hash = self.get_block_hash(0) + + if not era: + era = "00" + + if era == "00": + # Immortal extrinsic + block_hash = genesis_hash + else: + # Determine mortality of extrinsic + era_obj = self.runtime_config.create_scale_object("Era") + + if isinstance(era, dict) and "current" not in era and "phase" not in era: + raise ValueError( + 'The era dict must contain either "current" or "phase" element to encode a valid era' + ) + + era_obj.encode(era) + block_hash = self.get_block_hash(block_id=era_obj.birth(era.get("current"))) + + # Create signature payload + signature_payload = self.runtime_config.create_scale_object( + "ExtrinsicPayloadValue" + ) + + # Process signed extensions in metadata + if "signed_extensions" in self.__metadata[1][1]["extrinsic"]: + # Base signature payload + signature_payload.type_mapping = [["call", "CallBytes"]] + + # Add signed extensions to payload + signed_extensions = self.__metadata.get_signed_extensions() + + if "CheckMortality" in signed_extensions: + signature_payload.type_mapping.append( + ["era", signed_extensions["CheckMortality"]["extrinsic"]] + ) + + if "CheckEra" in signed_extensions: + signature_payload.type_mapping.append( + ["era", signed_extensions["CheckEra"]["extrinsic"]] + ) + + if "CheckNonce" in signed_extensions: + signature_payload.type_mapping.append( + ["nonce", signed_extensions["CheckNonce"]["extrinsic"]] + ) + + if "ChargeTransactionPayment" in signed_extensions: + signature_payload.type_mapping.append( + ["tip", signed_extensions["ChargeTransactionPayment"]["extrinsic"]] + ) + + if "ChargeAssetTxPayment" in signed_extensions: + signature_payload.type_mapping.append( + ["asset_id", signed_extensions["ChargeAssetTxPayment"]["extrinsic"]] + ) + + if "CheckMetadataHash" in signed_extensions: + signature_payload.type_mapping.append( + ["mode", signed_extensions["CheckMetadataHash"]["extrinsic"]] + ) + + if "CheckSpecVersion" in signed_extensions: + signature_payload.type_mapping.append( + [ + "spec_version", + signed_extensions["CheckSpecVersion"]["additional_signed"], + ] + ) + + if "CheckTxVersion" in signed_extensions: + signature_payload.type_mapping.append( + [ + "transaction_version", + signed_extensions["CheckTxVersion"]["additional_signed"], + ] + ) + + if "CheckGenesis" in signed_extensions: + signature_payload.type_mapping.append( + [ + "genesis_hash", + signed_extensions["CheckGenesis"]["additional_signed"], + ] + ) + + if "CheckMortality" in signed_extensions: + signature_payload.type_mapping.append( + [ + "block_hash", + signed_extensions["CheckMortality"]["additional_signed"], + ] + ) + + if "CheckEra" in signed_extensions: + signature_payload.type_mapping.append( + ["block_hash", signed_extensions["CheckEra"]["additional_signed"]] + ) + + if "CheckMetadataHash" in signed_extensions: + signature_payload.type_mapping.append( + [ + "metadata_hash", + signed_extensions["CheckMetadataHash"]["additional_signed"], + ] + ) + + if include_call_length: + length_obj = self.runtime_config.create_scale_object("Bytes") + call_data = str(length_obj.encode(str(call.data))) + + else: + call_data = str(call.data) + + payload_dict = { + "call": call_data, + "era": era, + "nonce": nonce, + "tip": tip, + "spec_version": self.runtime_version, + "genesis_hash": genesis_hash, + "block_hash": block_hash, + "transaction_version": self.transaction_version, + "asset_id": {"tip": tip, "asset_id": tip_asset_id}, + "metadata_hash": None, + "mode": "Disabled", + } + + signature_payload.encode(payload_dict) + + if signature_payload.data.length > 256: + return ScaleBytes( + data=blake2b(signature_payload.data.data, digest_size=32).digest() + ) + + return signature_payload.data + + def create_signed_extrinsic( + self, + call: GenericCall, + keypair: Keypair, + era: Optional[dict] = None, + nonce: Optional[int] = None, + tip: int = 0, + tip_asset_id: Optional[int] = None, + signature: Optional[Union[bytes, str]] = None, + ) -> "GenericExtrinsic": + """ + Creates an extrinsic signed by given account details + + Args: + call: GenericCall to create extrinsic for + keypair: Keypair used to sign the extrinsic + era: Specify mortality in blocks in follow format: + {'period': [amount_blocks]} If omitted the extrinsic is immortal + nonce: nonce to include in extrinsics, if omitted the current nonce is retrieved on-chain + tip: The tip for the block author to gain priority during network congestion + tip_asset_id: Optional asset ID with which to pay the tip + signature: Optionally provide signature if externally signed + + Returns: + The signed Extrinsic + """ + self.init_runtime() + + # Check requirements + if not isinstance(call, GenericCall): + raise TypeError("'call' must be of type Call") + + # Check if extrinsic version is supported + if self.__metadata[1][1]["extrinsic"]["version"] != 4: # type: ignore + raise NotImplementedError( + f"Extrinsic version {self.__metadata[1][1]['extrinsic']['version']} not supported" # type: ignore + ) + + # Retrieve nonce + if nonce is None: + nonce = self.get_account_nonce(keypair.ss58_address) or 0 + + # Process era + if era is None: + era = "00" + else: + if isinstance(era, dict) and "current" not in era and "phase" not in era: + # Retrieve current block id + era["current"] = self.get_block_number(self.get_chain_finalised_head()) + + if signature is not None: + if isinstance(signature, str) and signature[0:2] == "0x": + signature = bytes.fromhex(signature[2:]) + + # Check if signature is a MultiSignature and contains signature version + if len(signature) == 65: + signature_version = signature[0] + signature = signature[1:] + else: + signature_version = keypair.crypto_type + + else: + # Create signature payload + signature_payload = self.generate_signature_payload( + call=call, era=era, nonce=nonce, tip=tip, tip_asset_id=tip_asset_id + ) + + # Set Signature version to crypto type of keypair + signature_version = keypair.crypto_type + + # Sign payload + signature = keypair.sign(signature_payload) + + # Create extrinsic + extrinsic = self.runtime_config.create_scale_object( + type_string="Extrinsic", metadata=self.__metadata + ) + + value = { + "account_id": f"0x{keypair.public_key.hex()}", + "signature": f"0x{signature.hex()}", + "call_function": call.value["call_function"], + "call_module": call.value["call_module"], + "call_args": call.value["call_args"], + "nonce": nonce, + "era": era, + "tip": tip, + "asset_id": {"tip": tip, "asset_id": tip_asset_id}, + "mode": "Disabled", + } + + # Check if ExtrinsicSignature is MultiSignature, otherwise omit signature_version + signature_cls = self.runtime_config.get_decoder_class("ExtrinsicSignature") + if issubclass(signature_cls, self.runtime_config.get_decoder_class("Enum")): + value["signature_version"] = signature_version + + extrinsic.encode(value) + + return extrinsic + + def get_chain_finalised_head(self): + """ + A pass-though to existing JSONRPC method `chain_getFinalizedHead` + + Returns + ------- + + """ + response = self.rpc_request("chain_getFinalizedHead", []) + + if response is not None: + if "error" in response: + raise SubstrateRequestException(response["error"]["message"]) + + return response.get("result") + + def runtime_call( + self, + api: str, + method: str, + params: Optional[Union[list, dict]] = None, + block_hash: Optional[str] = None, + ) -> ScaleType: + """ + Calls a runtime API method + + Args: + api: Name of the runtime API e.g. 'TransactionPaymentApi' + method: Name of the method e.g. 'query_fee_details' + params: List of parameters needed to call the runtime API + block_hash: Hash of the block at which to make the runtime API call + + Returns: + ScaleType from the runtime call + """ + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + if params is None: + params = {} + + try: + runtime_call_def = self.runtime_config.type_registry["runtime_api"][api][ + "methods" + ][method] + runtime_api_types = self.runtime_config.type_registry["runtime_api"][ + api + ].get("types", {}) + except KeyError: + raise ValueError(f"Runtime API Call '{api}.{method}' not found in registry") + + if isinstance(params, list) and len(params) != len(runtime_call_def["params"]): + raise ValueError( + f"Number of parameter provided ({len(params)}) does not " + f"match definition {len(runtime_call_def['params'])}" + ) + + # Add runtime API types to registry + self.runtime_config.update_type_registry_types(runtime_api_types) + runtime = Runtime( + self.chain, + self.runtime_config, + self.__metadata, + self.type_registry, + ) + + # Encode params + param_data = ScaleBytes(bytes()) + for idx, param in enumerate(runtime_call_def["params"]): + scale_obj = runtime.runtime_config.create_scale_object(param["type"]) + if isinstance(params, list): + param_data += scale_obj.encode(params[idx]) + else: + if param["name"] not in params: + raise ValueError(f"Runtime Call param '{param['name']}' is missing") + + param_data += scale_obj.encode(params[param["name"]]) + + # RPC request + result_data = self.rpc_request( + "state_call", [f"{api}_{method}", str(param_data), block_hash] + ) + + # Decode result + # TODO update this to use bt-decode + result_obj = runtime.runtime_config.create_scale_object( + runtime_call_def["type"] + ) + result_obj.decode( + ScaleBytes(result_data["result"]), + check_remaining=self.config.get("strict_scale_decode"), + ) + + return result_obj + + def get_account_nonce(self, account_address: str) -> int: + """ + Returns current nonce for given account address + + Args: + account_address: SS58 formatted address + + Returns: + Nonce for given account address + """ + if self.supports_rpc_method("state_call"): + nonce_obj = self.runtime_call( + "AccountNonceApi", "account_nonce", [account_address] + ) + return getattr(nonce_obj, "value", nonce_obj) + else: + response = self.query( + module="System", storage_function="Account", params=[account_address] + ) + return response["nonce"] + + def get_account_next_index(self, account_address: str) -> int: + """ + Returns next index for the given account address, taking into account the transaction pool. + + Args: + account_address: SS58 formatted address + + Returns: + Next index for the given account address + """ + if not self.supports_rpc_method("account_nextIndex"): + # Unlikely to happen, this is a common RPC method + raise Exception("account_nextIndex not supported") + + nonce_obj = self.rpc_request("account_nextIndex", [account_address]) + return nonce_obj["result"] + + def get_metadata_constant(self, module_name, constant_name, block_hash=None): + """ + Retrieves the details of a constant for given module name, call function name and block_hash + (or chaintip if block_hash is omitted) + + Args: + module_name: name of the module you are querying + constant_name: name of the constant you are querying + block_hash: hash of the block at which to make the runtime API call + + Returns: + MetadataModuleConstants + """ + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + for module in self.__metadata.pallets: + if module_name == module.name and module.constants: + for constant in module.constants: + if constant_name == constant.value["name"]: + return constant + + def get_constant( + self, + module_name: str, + constant_name: str, + block_hash: Optional[str] = None, + reuse_block_hash: bool = False, + ) -> Optional["ScaleType"]: + """ + Returns the decoded `ScaleType` object of the constant for given module name, call function name and block_hash + (or chaintip if block_hash is omitted) + + Args: + module_name: Name of the module to query + constant_name: Name of the constant to query + block_hash: Hash of the block at which to make the runtime API call + reuse_block_hash: Reuse last-used block hash if set to true + + Returns: + ScaleType from the runtime call + """ + block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) + constant = self.get_metadata_constant( + module_name, constant_name, block_hash=block_hash + ) + if constant: + # Decode to ScaleType + return self.decode_scale( + constant.type, bytes(constant.constant_value), return_scale_obj=True + ) + else: + return None + + def get_payment_info(self, call: GenericCall, keypair: Keypair) -> dict[str, Any]: + """ + Retrieves fee estimation via RPC for given extrinsic + + Args: + call: Call object to estimate fees for + keypair: Keypair of the sender, does not have to include private key because no valid signature is + required + + Returns: + Dict with payment info + E.g. `{'class': 'normal', 'partialFee': 151000000, 'weight': {'ref_time': 143322000}}` + + """ + + # Check requirements + if not isinstance(call, GenericCall): + raise TypeError("'call' must be of type Call") + + if not isinstance(keypair, Keypair): + raise TypeError("'keypair' must be of type Keypair") + + # No valid signature is required for fee estimation + signature = "0x" + "00" * 64 + + # Create extrinsic + extrinsic = self.create_signed_extrinsic( + call=call, keypair=keypair, signature=signature + ) + extrinsic_len = self.runtime_config.create_scale_object("u32") + extrinsic_len.encode(len(extrinsic.data)) + + result = self.runtime_call( + "TransactionPaymentApi", "query_info", [extrinsic, extrinsic_len] + ) + + return result.value + + def get_type_registry(self, block_hash: str = None, max_recursion: int = 4) -> dict: + """ + Generates an exhaustive list of which RUST types exist in the runtime specified at given block_hash (or + chaintip if block_hash is omitted) + + MetadataV14 or higher is required. + + Args: + block_hash: Chaintip will be used if block_hash is omitted + max_recursion: Increasing recursion will provide more detail but also has impact on performance + + Returns: + dict mapping the type strings to the type decompositions + """ + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + if not self.implements_scaleinfo: + raise NotImplementedError("MetadataV14 or higher runtimes is required") + + type_registry = {} + + for scale_info_type in self.metadata.portable_registry["types"]: + if ( + "path" in scale_info_type.value["type"] + and len(scale_info_type.value["type"]["path"]) > 0 + ): + type_string = "::".join(scale_info_type.value["type"]["path"]) + else: + type_string = f"scale_info::{scale_info_type.value['id']}" + + scale_cls = self.runtime_config.get_decoder_class(type_string) + type_registry[type_string] = scale_cls.generate_type_decomposition( + max_recursion=max_recursion + ) + + return type_registry + + def get_type_definition(self, type_string: str, block_hash: str = None) -> str: + """ + Retrieves SCALE encoding specifications of given type_string + + Args: + type_string: RUST variable type, e.g. Vec
or scale_info::0 + block_hash: hash of the blockchain block + + Returns: + type decomposition + """ + scale_obj = self.create_scale_object(type_string, block_hash=block_hash) + return scale_obj.generate_type_decomposition() + + def get_metadata_modules(self, block_hash=None) -> list[dict[str, Any]]: + """ + Retrieves a list of modules in metadata for given block_hash (or chaintip if block_hash is omitted) + + Args: + block_hash: hash of the blockchain block + + Returns: + List of metadata modules + """ + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + return [ + { + "metadata_index": idx, + "module_id": module.get_identifier(), + "name": module.name, + "spec_version": self.runtime_version, + "count_call_functions": len(module.calls or []), + "count_storage_functions": len(module.storage or []), + "count_events": len(module.events or []), + "count_constants": len(module.constants or []), + "count_errors": len(module.errors or []), + } + for idx, module in enumerate(self.metadata.pallets) + ] + + def get_metadata_module(self, name, block_hash=None) -> ScaleType: + """ + Retrieves modules in metadata by name for given block_hash (or chaintip if block_hash is omitted) + + Args: + name: Name of the module + block_hash: hash of the blockchain block + + Returns: + MetadataModule + """ + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + return self.metadata.get_metadata_pallet(name) + + def query( + self, + module: str, + storage_function: str, + params: Optional[list] = None, + block_hash: Optional[str] = None, + raw_storage_key: Optional[bytes] = None, + subscription_handler=None, + reuse_block_hash: bool = False, + ) -> Optional[Union["ScaleObj", Any]]: + """ + Queries substrate. This should only be used when making a single request. For multiple requests, + you should use ``self.query_multiple`` + """ + block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) + if block_hash: + self.last_block_hash = block_hash + if not self.__metadata or block_hash: + runtime = self.init_runtime(block_hash=block_hash) + else: + runtime = self.runtime + preprocessed: Preprocessed = self._preprocess( + params, block_hash, storage_function, module, raw_storage_key + ) + payload = [ + self.make_payload( + preprocessed.queryable, preprocessed.method, preprocessed.params + ) + ] + value_scale_type = preprocessed.value_scale_type + storage_item = preprocessed.storage_item + + responses = self._make_rpc_request( + payload, + value_scale_type, + storage_item, + runtime, + result_handler=subscription_handler, + ) + result = responses[preprocessed.queryable][0] + if isinstance(result, (list, tuple, int, float)): + return ScaleObj(result) + return result + + def query_map( + self, + module: str, + storage_function: str, + params: Optional[list] = None, + block_hash: Optional[str] = None, + max_results: Optional[int] = None, + start_key: Optional[str] = None, + page_size: int = 100, + ignore_decoding_errors: bool = False, + reuse_block_hash: bool = False, + ) -> QueryMapResult: + """ + Iterates over all key-pairs located at the given module and storage_function. The storage + item must be a map. + + Example: + + ``` + result = substrate.query_map('System', 'Account', max_results=100) + + async for account, account_info in result: + print(f"Free balance of account '{account.value}': {account_info.value['data']['free']}") + ``` + + Note: it is important that you do not use `for x in result.records`, as this will sidestep possible + pagination. You must do `async for x in result`. + + Args: + module: The module name in the metadata, e.g. System or Balances. + storage_function: The storage function name, e.g. Account or Locks. + params: The input parameters in case of for example a `DoubleMap` storage function + block_hash: Optional block hash for result at given block, when left to None the chain tip will be used. + max_results: the maximum of results required, if set the query will stop fetching results when number is + reached + start_key: The storage key used as offset for the results, for pagination purposes + page_size: The results are fetched from the node RPC in chunks of this size + ignore_decoding_errors: When set this will catch all decoding errors, set the item to None and continue + decoding + reuse_block_hash: use True if you wish to make the query using the last-used block hash. Do not mark True + if supplying a block_hash + + Returns: + QueryMapResult object + """ + hex_to_bytes_ = hex_to_bytes + params = params or [] + block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) + if block_hash: + self.last_block_hash = block_hash + if not self.__metadata or block_hash: + self.init_runtime(block_hash=block_hash) + + metadata_pallet = self.__metadata.get_metadata_pallet(module) + if not metadata_pallet: + raise ValueError(f'Pallet "{module}" not found') + storage_item = metadata_pallet.get_storage_function(storage_function) + + if not metadata_pallet or not storage_item: + raise ValueError( + f'Storage function "{module}.{storage_function}" not found' + ) + + value_type = storage_item.get_value_type_string() + param_types = storage_item.get_params_type_string() + key_hashers = storage_item.get_param_hashers() + + # Check MapType conditions + if len(param_types) == 0: + raise ValueError("Given storage function is not a map") + if len(params) > len(param_types) - 1: + raise ValueError( + f"Storage function map can accept max {len(param_types) - 1} parameters, {len(params)} given" + ) + + # Generate storage key prefix + # TODO should this use raw storage keys if necessary? + storage_key = StorageKey.create_from_storage_function( + module, + storage_item.value["name"], + params, + runtime_config=self.runtime_config, + metadata=self.__metadata, + ) + prefix = storage_key.to_hex() + + if not start_key: + start_key = prefix + + # Make sure if the max result is smaller than the page size, adjust the page size + if max_results is not None and max_results < page_size: + page_size = max_results + + # Retrieve storage keys + response = self.rpc_request( + method="state_getKeysPaged", + params=[prefix, page_size, start_key, block_hash], + ) + + if "error" in response: + raise SubstrateRequestException(response["error"]["message"]) + + result_keys = response.get("result") + + result = [] + last_key = None + + def concat_hash_len(key_hasher: str) -> int: + """ + Helper function to avoid if statements + """ + if key_hasher == "Blake2_128Concat": + return 16 + elif key_hasher == "Twox64Concat": + return 8 + elif key_hasher == "Identity": + return 0 + else: + raise ValueError("Unsupported hash type") + + if len(result_keys) > 0: + last_key = result_keys[-1] + + # Retrieve corresponding value + response = self.rpc_request( + method="state_queryStorageAt", params=[result_keys, block_hash] + ) + + if "error" in response: + raise SubstrateRequestException(response["error"]["message"]) + + for result_group in response["result"]: + for item in result_group["changes"]: + try: + # Determine type string + key_type_string = [] + for n in range(len(params), len(param_types)): + key_type_string.append( + f"[u8; {concat_hash_len(key_hashers[n])}]" + ) + key_type_string.append(param_types[n]) + + item_key_obj = self.decode_scale( + type_string=f"({', '.join(key_type_string)})", + scale_bytes=bytes.fromhex(item[0][len(prefix) :]), + return_scale_obj=True, + ) + + # strip key_hashers to use as item key + if len(param_types) - len(params) == 1: + item_key = item_key_obj[1] + else: + item_key = tuple( + item_key_obj[key + 1] + for key in range(len(params), len(param_types) + 1, 2) + ) + + except Exception as _: + if not ignore_decoding_errors: + raise + item_key = None + + try: + item_bytes = hex_to_bytes_(item[1]) + + item_value = self.decode_scale( + type_string=value_type, + scale_bytes=item_bytes, + return_scale_obj=True, + ) + except Exception as _: + if not ignore_decoding_errors: + raise + item_value = None + result.append([item_key, item_value]) + return QueryMapResult( + records=result, + page_size=page_size, + module=module, + storage_function=storage_function, + params=params, + block_hash=block_hash, + substrate=self, + last_key=last_key, + max_results=max_results, + ignore_decoding_errors=ignore_decoding_errors, + ) + + def submit_extrinsic( + self, + extrinsic: GenericExtrinsic, + wait_for_inclusion: bool = False, + wait_for_finalization: bool = False, + ) -> "ExtrinsicReceipt": + """ + Submit an extrinsic to the connected node, with the possibility to wait until the extrinsic is included + in a block and/or the block is finalized. The receipt returned provided information about the block and + triggered events + + Args: + extrinsic: Extrinsic The extrinsic to be sent to the network + wait_for_inclusion: wait until extrinsic is included in a block (only works for websocket connections) + wait_for_finalization: wait until extrinsic is finalized (only works for websocket connections) + + Returns: + ExtrinsicReceipt object of your submitted extrinsic + """ + + # Check requirements + if not isinstance(extrinsic, GenericExtrinsic): + raise TypeError("'extrinsic' must be of type Extrinsics") + + def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: + """ + Result handler function passed as an arg to _make_rpc_request as the result_handler + to handle the results of the extrinsic rpc call, which are multipart, and require + subscribing to the message + + Args: + message: message received from the rpc call + subscription_id: subscription id received from the initial rpc call for the subscription + + Returns: + tuple containing the dict of the block info for the subscription, and bool for whether + the subscription is completed. + """ + # Check if extrinsic is included and finalized + if "params" in message and isinstance(message["params"]["result"], dict): + # Convert result enum to lower for backwards compatibility + message_result = { + k.lower(): v for k, v in message["params"]["result"].items() + } + + if "finalized" in message_result and wait_for_finalization: + # Created as a task because we don't actually care about the result + # TODO change this logic + self._forgettable_task = asyncio.create_task( + self.rpc_request("author_unwatchExtrinsic", [subscription_id]) + ) + return { + "block_hash": message_result["finalized"], + "extrinsic_hash": "0x{}".format(extrinsic.extrinsic_hash.hex()), + "finalized": True, + }, True + elif ( + "inblock" in message_result + and wait_for_inclusion + and not wait_for_finalization + ): + # Created as a task because we don't actually care about the result + # TODO change this logic + self._forgettable_task = asyncio.create_task( + self.rpc_request("author_unwatchExtrinsic", [subscription_id]) + ) + return { + "block_hash": message_result["inblock"], + "extrinsic_hash": "0x{}".format(extrinsic.extrinsic_hash.hex()), + "finalized": False, + }, True + return message, False + + if wait_for_inclusion or wait_for_finalization: + responses = ( + self._make_rpc_request( + [ + self.make_payload( + "rpc_request", + "author_submitAndWatchExtrinsic", + [str(extrinsic.data)], + ) + ], + result_handler=result_handler, + ) + )["rpc_request"] + response = next( + (r for r in responses if "block_hash" in r and "extrinsic_hash" in r), + None, + ) + + if not response: + raise SubstrateRequestException(responses) + + # Also, this will be a multipart response, so maybe should change to everything after the first response? + # The following code implies this will be a single response after the initial subscription id. + result = ExtrinsicReceipt( + substrate=self, + extrinsic_hash=response["extrinsic_hash"], + block_hash=response["block_hash"], + finalized=response["finalized"], + ) + + else: + response = self.rpc_request("author_submitExtrinsic", [str(extrinsic.data)]) + + if "result" not in response: + raise SubstrateRequestException(response.get("error")) + + result = ExtrinsicReceipt(substrate=self, extrinsic_hash=response["result"]) + + return result + + def get_metadata_call_function( + self, + module_name: str, + call_function_name: str, + block_hash: Optional[str] = None, + ) -> Optional[list]: + """ + Retrieves a list of all call functions in metadata active for given block_hash (or chaintip if block_hash + is omitted) + + Args: + module_name: name of the module + call_function_name: name of the call function + block_hash: optional block hash + + Returns: + list of call functions + """ + if not self.__metadata or block_hash: + runtime = self.init_runtime(block_hash=block_hash) + else: + runtime = self.runtime + + for pallet in runtime.metadata.pallets: + if pallet.name == module_name and pallet.calls: + for call in pallet.calls: + if call.name == call_function_name: + return call + return None + + def get_block_number(self, block_hash: Optional[str] = None) -> int: + """Async version of `substrateinterface.base.get_block_number` method.""" + response = self.rpc_request("chain_getHeader", [block_hash]) + + if "error" in response: + raise SubstrateRequestException(response["error"]["message"]) + + elif "result" in response: + if response["result"]: + return int(response["result"]["number"], 16) + + def close(self): + """ + Closes the substrate connection, and the websocket connection. + """ + # TODO change this logic + try: + self.ws.shutdown() + except AttributeError: + pass diff --git a/async_substrate_interface/types.py b/async_substrate_interface/types.py new file mode 100644 index 0000000..d6e24a1 --- /dev/null +++ b/async_substrate_interface/types.py @@ -0,0 +1,699 @@ +from abc import ABC +from collections.abc import Iterable +from dataclasses import dataclass +from datetime import datetime +from typing import Optional + +from scalecodec import GenericExtrinsic, ss58_encode, ss58_decode, is_valid_ss58_address +from scalecodec.types import GenericCall, ScaleType + + +class RuntimeCache: + blocks: dict[int, "Runtime"] + block_hashes: dict[str, "Runtime"] + + def __init__(self): + self.blocks = {} + self.block_hashes = {} + + def add_item( + self, block: Optional[int], block_hash: Optional[str], runtime: "Runtime" + ): + if block is not None: + self.blocks[block] = runtime + if block_hash is not None: + self.block_hashes[block_hash] = runtime + + def retrieve( + self, block: Optional[int] = None, block_hash: Optional[str] = None + ) -> Optional["Runtime"]: + if block is not None: + return self.blocks.get(block) + elif block_hash is not None: + return self.block_hashes.get(block_hash) + else: + return None + + +class Runtime: + block_hash: str + block_id: int + runtime_version = None + transaction_version = None + cache_region = None + metadata = None + runtime_config: RuntimeConfigurationObject + type_registry_preset = None + + def __init__( + self, chain, runtime_config: RuntimeConfigurationObject, metadata, type_registry + ): + self.config = {} + self.chain = chain + self.type_registry = type_registry + self.runtime_config = runtime_config + self.metadata = metadata + + def __str__(self): + return f"Runtime: {self.chain} | {self.config}" + + @property + def implements_scaleinfo(self) -> bool: + """ + Returns True if current runtime implementation a `PortableRegistry` (`MetadataV14` and higher) + """ + if self.metadata: + return self.metadata.portable_registry is not None + else: + return False + + def reload_type_registry( + self, use_remote_preset: bool = True, auto_discover: bool = True + ): + """ + Reload type registry and preset used to instantiate the SubstrateInterface object. Useful to periodically apply + changes in type definitions when a runtime upgrade occurred + + Args: + use_remote_preset: When True preset is downloaded from Github master, otherwise use files from local + installed scalecodec package + auto_discover: Whether to automatically discover the type registry presets based on the chain name and the + type registry + """ + self.runtime_config.clear_type_registry() + + self.runtime_config.implements_scale_info = self.implements_scaleinfo + + # Load metadata types in runtime configuration + self.runtime_config.update_type_registry(load_type_registry_preset(name="core")) + self.apply_type_registry_presets( + use_remote_preset=use_remote_preset, auto_discover=auto_discover + ) + + def apply_type_registry_presets( + self, + use_remote_preset: bool = True, + auto_discover: bool = True, + ): + """ + Applies type registry presets to the runtime + + Args: + use_remote_preset: whether to use presets from remote + auto_discover: whether to use presets from local installed scalecodec package + """ + if self.type_registry_preset is not None: + # Load type registry according to preset + type_registry_preset_dict = load_type_registry_preset( + name=self.type_registry_preset, use_remote_preset=use_remote_preset + ) + + if not type_registry_preset_dict: + raise ValueError( + f"Type registry preset '{self.type_registry_preset}' not found" + ) + + elif auto_discover: + # Try to auto discover type registry preset by chain name + type_registry_name = self.chain.lower().replace(" ", "-") + try: + type_registry_preset_dict = load_type_registry_preset( + type_registry_name + ) + self.type_registry_preset = type_registry_name + except ValueError: + type_registry_preset_dict = None + + else: + type_registry_preset_dict = None + + if type_registry_preset_dict: + # Load type registries in runtime configuration + if self.implements_scaleinfo is False: + # Only runtime with no embedded types in metadata need the default set of explicit defined types + self.runtime_config.update_type_registry( + load_type_registry_preset( + "legacy", use_remote_preset=use_remote_preset + ) + ) + + if self.type_registry_preset != "legacy": + self.runtime_config.update_type_registry(type_registry_preset_dict) + + if self.type_registry: + # Load type registries in runtime configuration + self.runtime_config.update_type_registry(self.type_registry) + + +class RequestManager: + RequestResults = dict[Union[str, int], list[Union[ScaleType, dict]]] + + def __init__(self, payloads): + self.response_map = {} + self.responses = defaultdict(lambda: {"complete": False, "results": []}) + self.payloads_count = len(payloads) + + def add_request(self, item_id: int, request_id: Any): + """ + Adds an outgoing request to the responses map for later retrieval + """ + self.response_map[item_id] = request_id + + def overwrite_request(self, item_id: int, request_id: Any): + """ + Overwrites an existing request in the responses map with a new request_id. This is used + for multipart responses that generate a subscription id we need to watch, rather than the initial + request_id. + """ + self.response_map[request_id] = self.response_map.pop(item_id) + return request_id + + def add_response(self, item_id: int, response: dict, complete: bool): + """ + Maps a response to the request for later retrieval + """ + request_id = self.response_map[item_id] + self.responses[request_id]["results"].append(response) + self.responses[request_id]["complete"] = complete + + @property + def is_complete(self) -> bool: + """ + Returns whether all requests in the manager have completed + """ + return ( + all(info["complete"] for info in self.responses.values()) + and len(self.responses) == self.payloads_count + ) + + def get_results(self) -> RequestResults: + """ + Generates a dictionary mapping the requests initiated to the responses received. + """ + return { + request_id: info["results"] for request_id, info in self.responses.items() + } + + +@dataclass +class Preprocessed: + queryable: str + method: str + params: list + value_scale_type: str + storage_item: ScaleType + + +class ScaleObj: + """Bittensor representation of Scale Object.""" + + def __init__(self, value): + self.value = list(value) if isinstance(value, tuple) else value + + def __new__(cls, value): + return super().__new__(cls) + + def __str__(self): + return f"BittensorScaleType(value={self.value})>" + + def __bool__(self): + if self.value: + return True + else: + return False + + def __repr__(self): + return repr(f"BittensorScaleType(value={self.value})>") + + def __eq__(self, other): + return self.value == (other.value if isinstance(other, ScaleObj) else other) + + def __lt__(self, other): + return self.value < (other.value if isinstance(other, ScaleObj) else other) + + def __gt__(self, other): + return self.value > (other.value if isinstance(other, ScaleObj) else other) + + def __le__(self, other): + return self.value <= (other.value if isinstance(other, ScaleObj) else other) + + def __ge__(self, other): + return self.value >= (other.value if isinstance(other, ScaleObj) else other) + + def __add__(self, other): + if isinstance(other, ScaleObj): + return ScaleObj(self.value + other.value) + return ScaleObj(self.value + other) + + def __radd__(self, other): + return ScaleObj(other + self.value) + + def __sub__(self, other): + if isinstance(other, ScaleObj): + return ScaleObj(self.value - other.value) + return ScaleObj(self.value - other) + + def __rsub__(self, other): + return ScaleObj(other - self.value) + + def __mul__(self, other): + if isinstance(other, ScaleObj): + return ScaleObj(self.value * other.value) + return ScaleObj(self.value * other) + + def __rmul__(self, other): + return ScaleObj(other * self.value) + + def __truediv__(self, other): + if isinstance(other, ScaleObj): + return ScaleObj(self.value / other.value) + return ScaleObj(self.value / other) + + def __rtruediv__(self, other): + return ScaleObj(other / self.value) + + def __floordiv__(self, other): + if isinstance(other, ScaleObj): + return ScaleObj(self.value // other.value) + return ScaleObj(self.value // other) + + def __rfloordiv__(self, other): + return ScaleObj(other // self.value) + + def __mod__(self, other): + if isinstance(other, ScaleObj): + return ScaleObj(self.value % other.value) + return ScaleObj(self.value % other) + + def __rmod__(self, other): + return ScaleObj(other % self.value) + + def __pow__(self, other): + if isinstance(other, ScaleObj): + return ScaleObj(self.value**other.value) + return ScaleObj(self.value**other) + + def __rpow__(self, other): + return ScaleObj(other**self.value) + + def __getitem__(self, key): + if isinstance(self.value, (list, tuple, dict, str)): + return self.value[key] + raise TypeError( + f"Object of type '{type(self.value).__name__}' does not support indexing" + ) + + def __iter__(self): + if isinstance(self.value, Iterable): + return iter(self.value) + raise TypeError(f"Object of type '{type(self.value).__name__}' is not iterable") + + def __len__(self): + return len(self.value) + + def serialize(self): + return self.value + + def decode(self): + return self.value + + +class SubstrateMixin(ABC): + registry: Optional[PortableRegistry] = None + runtime_version = None + type_registry_preset = None + transaction_version = None + block_id: Optional[int] = None + last_block_hash: Optional[str] = None + __name: Optional[str] = None + __properties = None + __version = None + __token_decimals = None + __token_symbol = None + __metadata = None + __chain: str + runtime_config: RuntimeConfigurationObject + type_registry: Optional[dict] + ss58_format: Optional[int] + + @property + def chain(self): + """ + Returns the substrate chain currently associated with object + """ + return self.__chain + + @property + def metadata(self): + if self.__metadata is None: + raise AttributeError( + "Metadata not found. This generally indicates that the AsyncSubstrateInterface object " + "is not properly async initialized." + ) + else: + return self.__metadata + + @property + def runtime(self): + return Runtime( + self.chain, + self.runtime_config, + self.__metadata, + self.type_registry, + ) + + @property + def implements_scaleinfo(self) -> Optional[bool]: + """ + Returns True if current runtime implementation a `PortableRegistry` (`MetadataV14` and higher) + + Returns + ------- + bool + """ + if self.__metadata: + return self.__metadata.portable_registry is not None + else: + return None + + def ss58_encode( + self, public_key: Union[str, bytes], ss58_format: int = None + ) -> str: + """ + Helper function to encode a public key to SS58 address. + + If no target `ss58_format` is provided, it will default to the ss58 format of the network it's connected to. + + Args: + public_key: 32 bytes or hex-string. e.g. 0x6e39f36c370dd51d9a7594846914035de7ea8de466778ea4be6c036df8151f29 + ss58_format: target networkID to format the address for, defaults to the network it's connected to + + Returns: + str containing the SS58 address + """ + + if ss58_format is None: + ss58_format = self.ss58_format + + return ss58_encode(public_key, ss58_format=ss58_format) + + def ss58_decode(self, ss58_address: str) -> str: + """ + Helper function to decode a SS58 address to a public key + + Args: + ss58_address: the encoded SS58 address to decode (e.g. EaG2CRhJWPb7qmdcJvy3LiWdh26Jreu9Dx6R1rXxPmYXoDk) + + Returns: + str containing the hex representation of the public key + """ + return ss58_decode(ss58_address, valid_ss58_format=self.ss58_format) + + def is_valid_ss58_address(self, value: str) -> bool: + """ + Helper function to validate given value as ss58_address for current network/ss58_format + + Args: + value: value to validate + + Returns: + bool + """ + return is_valid_ss58_address(value, valid_ss58_format=self.ss58_format) + + def serialize_storage_item( + self, storage_item: ScaleType, module, spec_version_id + ) -> dict: + """ + Helper function to serialize a storage item + + Args: + storage_item: the storage item to serialize + module: the module to use to serialize the storage item + spec_version_id: the version id + + Returns: + dict + """ + storage_dict = { + "storage_name": storage_item.name, + "storage_modifier": storage_item.modifier, + "storage_default_scale": storage_item["default"].get_used_bytes(), + "storage_default": None, + "documentation": "\n".join(storage_item.docs), + "module_id": module.get_identifier(), + "module_prefix": module.value["storage"]["prefix"], + "module_name": module.name, + "spec_version": spec_version_id, + "type_keys": storage_item.get_params_type_string(), + "type_hashers": storage_item.get_param_hashers(), + "type_value": storage_item.get_value_type_string(), + } + + type_class, type_info = next(iter(storage_item.type.items())) + + storage_dict["type_class"] = type_class + + value_scale_type = storage_item.get_value_type_string() + + if storage_item.value["modifier"] == "Default": + # Fallback to default value of storage function if no result + query_value = storage_item.value_object["default"].value_object + else: + # No result is interpreted as an Option<...> result + value_scale_type = f"Option<{value_scale_type}>" + query_value = storage_item.value_object["default"].value_object + + try: + obj = self.runtime_config.create_scale_object( + type_string=value_scale_type, + data=ScaleBytes(query_value), + metadata=self.metadata, + ) + obj.decode() + storage_dict["storage_default"] = obj.decode() + except Exception: + storage_dict["storage_default"] = "[decoding error]" + + return storage_dict + + def serialize_constant(self, constant, module, spec_version_id) -> dict: + """ + Helper function to serialize a constant + + Parameters + ---------- + constant + module + spec_version_id + + Returns + ------- + dict + """ + try: + value_obj = self.runtime_config.create_scale_object( + type_string=constant.type, data=ScaleBytes(constant.constant_value) + ) + constant_decoded_value = value_obj.decode() + except Exception: + constant_decoded_value = "[decoding error]" + + return { + "constant_name": constant.name, + "constant_type": constant.type, + "constant_value": constant_decoded_value, + "constant_value_scale": f"0x{constant.constant_value.hex()}", + "documentation": "\n".join(constant.docs), + "module_id": module.get_identifier(), + "module_prefix": module.value["storage"]["prefix"] + if module.value["storage"] + else None, + "module_name": module.name, + "spec_version": spec_version_id, + } + + @staticmethod + def serialize_module_call(module, call: GenericCall, spec_version) -> dict: + """ + Helper function to serialize a call function + + Args: + module: the module to use + call: the call function to serialize + spec_version: the spec version of the call function + + Returns: + dict serialized version of the call function + """ + return { + "call_name": call.name, + "call_args": [call_arg.value for call_arg in call.args], + "documentation": "\n".join(call.docs), + "module_prefix": module.value["storage"]["prefix"] + if module.value["storage"] + else None, + "module_name": module.name, + "spec_version": spec_version, + } + + @staticmethod + def serialize_module_event(module, event, spec_version, event_index: str) -> dict: + """ + Helper function to serialize an event + + Args: + module: the metadata module + event: the event to serialize + spec_version: the spec version of the error + event_index: the hex index of this event in the block + + Returns: + dict serialized version of the event + """ + return { + "event_id": event.name, + "event_name": event.name, + "event_args": [ + {"event_arg_index": idx, "type": arg} + for idx, arg in enumerate(event.args) + ], + "lookup": f"0x{event_index}", + "documentation": "\n".join(event.docs), + "module_id": module.get_identifier(), + "module_prefix": module.prefix, + "module_name": module.name, + "spec_version": spec_version, + } + + @staticmethod + def serialize_module_error(module, error, spec_version) -> dict: + """ + Helper function to serialize an error + + Args: + module: the metadata module + error: the error to serialize + spec_version: the spec version of the error + + Returns: + dict serialized version of the module error + """ + return { + "error_name": error.name, + "documentation": "\n".join(error.docs), + "module_id": module.get_identifier(), + "module_prefix": module.value["storage"]["prefix"] + if module.value["storage"] + else None, + "module_name": module.name, + "spec_version": spec_version, + } + + def reload_type_registry( + self, use_remote_preset: bool = True, auto_discover: bool = True + ): + """ + Reload type registry and preset used to instantiate the `AsyncSubstrateInterface` object. Useful to + periodically apply changes in type definitions when a runtime upgrade occurred + + Args: + use_remote_preset: When True preset is downloaded from Github master, + otherwise use files from local installed scalecodec package + auto_discover: Whether to automatically discover the type_registry + presets based on the chain name and typer registry + """ + self.runtime_config.clear_type_registry() + + self.runtime_config.implements_scale_info = self.implements_scaleinfo + + # Load metadata types in runtime configuration + self.runtime_config.update_type_registry(load_type_registry_preset(name="core")) + self.apply_type_registry_presets( + use_remote_preset=use_remote_preset, auto_discover=auto_discover + ) + + def apply_type_registry_presets( + self, use_remote_preset: bool = True, auto_discover: bool = True + ): + if self.type_registry_preset is not None: + # Load type registry according to preset + type_registry_preset_dict = load_type_registry_preset( + name=self.type_registry_preset, use_remote_preset=use_remote_preset + ) + + if not type_registry_preset_dict: + raise ValueError( + f"Type registry preset '{self.type_registry_preset}' not found" + ) + + elif auto_discover: + # Try to auto discover type registry preset by chain name + type_registry_name = self.chain.lower().replace(" ", "-") + try: + type_registry_preset_dict = load_type_registry_preset( + type_registry_name + ) + logging.debug( + f"Auto set type_registry_preset to {type_registry_name} ..." + ) + self.type_registry_preset = type_registry_name + except ValueError: + type_registry_preset_dict = None + + else: + type_registry_preset_dict = None + + if type_registry_preset_dict: + # Load type registries in runtime configuration + if self.implements_scaleinfo is False: + # Only runtime with no embedded types in metadata need the default set of explicit defined types + self.runtime_config.update_type_registry( + load_type_registry_preset( + "legacy", use_remote_preset=use_remote_preset + ) + ) + + if self.type_registry_preset != "legacy": + self.runtime_config.update_type_registry(type_registry_preset_dict) + + if self.type_registry: + # Load type registries in runtime configuration + self.runtime_config.update_type_registry(self.type_registry) + + def extension_call(self, name, **kwargs): + raise NotImplementedError( + "Extensions not implemented in AsyncSubstrateInterface" + ) + + def filter_extrinsics(self, **kwargs) -> list: + return self.extension_call("filter_extrinsics", **kwargs) + + def filter_events(self, **kwargs) -> list: + return self.extension_call("filter_events", **kwargs) + + def search_block_number(self, block_datetime: datetime, block_time: int = 6) -> int: + return self.extension_call( + "search_block_number", block_datetime=block_datetime, block_time=block_time + ) + + def get_block_timestamp(self, block_number: int) -> int: + return self.extension_call("get_block_timestamp", block_number=block_number) + + @staticmethod + def make_payload(id_: str, method: str, params: list) -> dict: + """ + Creates a payload for making an rpc_request with _make_rpc_request + + Args: + id_: a unique name you would like to give to this request + method: the method in the RPC request + params: the params in the RPC request + + Returns: + the payload dict + """ + return { + "id": id_, + "payload": {"jsonrpc": "2.0", "method": method, "params": params}, + } diff --git a/async_substrate_interface/utils/__init__.py b/async_substrate_interface/utils/__init__.py index 4fe53e1..f4644f8 100644 --- a/async_substrate_interface/utils/__init__.py +++ b/async_substrate_interface/utils/__init__.py @@ -1,48 +1,3 @@ -import asyncio -import threading -from typing import Optional - - -class EventLoopManager: - """Singleton class to manage a living asyncio event loop.""" - - _instance = None - _lock = threading.Lock() - - def __new__(cls): - if cls._instance is None: - with cls._lock: - if cls._instance is None: - cls._instance = super().__new__(cls) - cls._instance._init_event_loop() - return cls._instance - - def _init_event_loop(self): - self.loop = asyncio.new_event_loop() - self.thread = threading.Thread(target=self._start_loop, daemon=True) - self.thread.start() - - def _start_loop(self): - self.loop = asyncio.new_event_loop() - asyncio.set_event_loop(self.loop) - self.loop.run_forever() - - def run(self, coroutine): - while self.loop is None: - pass - future = asyncio.run_coroutine_threadsafe(coroutine, self.loop) - return future.result() # Blocks until coroutine completes - - def stop(self): - """Stop the event loop.""" - self.loop.call_soon_threadsafe(self.loop.stop) - self.thread.join() - - @classmethod - def get_event_loop(cls) -> asyncio.AbstractEventLoop: - return cls().loop - - def hex_to_bytes(hex_str: str) -> bytes: """ Converts a hex-encoded string into bytes. Handles 0x-prefixed and non-prefixed hex-encoded strings. @@ -52,26 +7,3 @@ def hex_to_bytes(hex_str: str) -> bytes: else: bytes_result = bytes.fromhex(hex_str) return bytes_result - - -def event_loop_is_running() -> Optional[asyncio.AbstractEventLoop]: - """ - Simple function to check if event loop is running. Returns the loop if it is, otherwise None. - """ - try: - return asyncio.get_running_loop() - except RuntimeError: - return None - - -def get_event_loop() -> asyncio.AbstractEventLoop: - """ - If an event loop is already running, returns that. Otherwise, creates a new event loop, - and sets it as the main event loop for this thread, returning the newly-created event loop. - """ - if loop := event_loop_is_running(): - event_loop = loop - else: - event_loop = asyncio.get_event_loop() - asyncio.set_event_loop(event_loop) - return event_loop From bd1927d5544b2715465301d93fff826be80a19a7 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Fri, 17 Jan 2025 13:21:19 +0200 Subject: [PATCH 15/30] Initial cleanup finished. --- async_substrate_interface/async_substrate.py | 8 +++++--- async_substrate_interface/sync_substrate.py | 15 ++++++++------- 2 files changed, 13 insertions(+), 10 deletions(-) diff --git a/async_substrate_interface/async_substrate.py b/async_substrate_interface/async_substrate.py index 0ebc1f7..475dbdc 100644 --- a/async_substrate_interface/async_substrate.py +++ b/async_substrate_interface/async_substrate.py @@ -723,7 +723,9 @@ async def initialize(self): if not self.__chain: chain = await self.rpc_request("system_chain", []) self.__chain = chain.get("result") - await asyncio.gather(self.load_registry(), self._init_init_runtime()) + await asyncio.gather( + self.load_registry(), self._first_initialize_runtime() + ) self.initialized = True self._initializing = False @@ -875,9 +877,9 @@ async def encode_scale(self, type_string, value, block_hash=None) -> ScaleBytes: ) return obj.encode(value) - async def _init_init_runtime(self): + async def _first_initialize_runtime(self): """ - TODO rename/docstring + TODO docstring """ runtime_info, metadata = await asyncio.gather( self.get_block_runtime_version(None), self.get_block_metadata() diff --git a/async_substrate_interface/sync_substrate.py b/async_substrate_interface/sync_substrate.py index f5fd98c..cd70745 100644 --- a/async_substrate_interface/sync_substrate.py +++ b/async_substrate_interface/sync_substrate.py @@ -2,11 +2,12 @@ import random import time from functools import lru_cache +from hashlib import blake2b from typing import Optional, Union, Callable, Any from bittensor_wallet.keypair import Keypair from bt_decode import PortableRegistry, decode as decode_by_type_string, MetadataV15 -from scalecodec import GenericExtrinsic, GenericCall +from scalecodec import GenericExtrinsic, GenericCall, GenericRuntimeCallDefinition from scalecodec.base import RuntimeConfigurationObject, ScaleBytes, ScaleType from async_substrate_interface.errors import ( @@ -26,6 +27,9 @@ from async_substrate_interface.utils.storage import StorageKey +ResultHandler = Callable[[dict, Any], tuple[dict, bool]] + + class ExtrinsicReceipt: """ Object containing information of submitted extrinsic. Block hash where extrinsic is included is required @@ -448,9 +452,6 @@ class SyncWebsocket: def __init__(self, websocket: "Websocket"): self._ws = websocket - def close(self): - self._event_loop_mgr.run(self._ws.shutdown()) - class SubstrateInterface(SubstrateMixin): def __init__( @@ -524,7 +525,7 @@ def initialize(self): chain = self.rpc_request("system_chain", []) self.__chain = chain.get("result") self.load_registry() - self._init_init_runtime() + self._first_initialize_runtime() self.initialized = True def __exit__(self, exc_type, exc_val, exc_tb): @@ -641,9 +642,9 @@ def encode_scale(self, type_string, value, block_hash=None) -> ScaleBytes: ) return obj.encode(value) - def _init_init_runtime(self): + def _first_initialize_runtime(self): """ - TODO rename/docstring + TODO docstring """ runtime_info = self.get_block_runtime_version(None) metadata = self.get_block_metadata() From c26c8db288c31f3397bdbefad8feb3b62fa4da82 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Fri, 17 Jan 2025 15:35:53 +0200 Subject: [PATCH 16/30] Logic ported to sync substrate. Ready to begin some testing. --- async_substrate_interface/__init__.py | 16 ++- async_substrate_interface/async_substrate.py | 86 ++++------- async_substrate_interface/sync_substrate.py | 142 +++++++------------ async_substrate_interface/types.py | 9 +- pyproject.toml | 1 + 5 files changed, 102 insertions(+), 152 deletions(-) diff --git a/async_substrate_interface/__init__.py b/async_substrate_interface/__init__.py index 5c19423..58d97b6 100644 --- a/async_substrate_interface/__init__.py +++ b/async_substrate_interface/__init__.py @@ -1,7 +1,15 @@ -from .substrate_interface import ( +from .async_substrate import ( + AsyncQueryMapResult, + AsyncSubstrateInterface, AsyncExtrinsicReceipt, - ExtrinsicReceipt, +) +from .sync_substrate import QueryMapResult, SubstrateInterface, ExtrinsicReceipt + +__all__ = [ + AsyncQueryMapResult, AsyncSubstrateInterface, - SubstrateInterface, + AsyncExtrinsicReceipt, QueryMapResult, -) + SubstrateInterface, + ExtrinsicReceipt, +] diff --git a/async_substrate_interface/async_substrate.py b/async_substrate_interface/async_substrate.py index 475dbdc..3f4ef3f 100644 --- a/async_substrate_interface/async_substrate.py +++ b/async_substrate_interface/async_substrate.py @@ -7,12 +7,9 @@ import asyncio import inspect import logging -import json import random import ssl import time -from collections import defaultdict -from functools import lru_cache from hashlib import blake2b from typing import ( Optional, @@ -25,10 +22,11 @@ ) import asyncstdlib as a -from bittensor_wallet import Keypair +from bittensor_wallet.keypair import Keypair from bt_decode import PortableRegistry, decode as decode_by_type_string, MetadataV15 from scalecodec.base import ScaleBytes, ScaleType, RuntimeConfigurationObject -from scalecodec.types import GenericCall, GenericRuntimeCallDefinition +from scalecodec.types import GenericCall, GenericRuntimeCallDefinition, GenericExtrinsic +import ujson from websockets.asyncio.client import connect from websockets.exceptions import ConnectionClosed @@ -37,6 +35,14 @@ ExtrinsicNotFound, BlockNotFound, ) +from async_substrate_interface.types import ( + ScaleObj, + RequestManager, + Runtime, + RuntimeCache, + SubstrateMixin, + Preprocessed, +) from async_substrate_interface.utils import hex_to_bytes from async_substrate_interface.utils.storage import StorageKey @@ -381,7 +387,7 @@ def get(self, name): return self[name] -class QueryMapResult: +class AsyncQueryMapResult: def __init__( self, records: list, @@ -462,16 +468,6 @@ async def __anext__(self): self._buffer = iter(next_page) return next(self._buffer) - def __next__(self): - try: - return self.event_loop_mgr.run(self.__anext__()) - except StopAsyncIteration: - raise StopIteration - except AttributeError: - raise AttributeError( - "This item is an async iterator. You need to iterate over it with `async for`." - ) - def __getitem__(self, item): return self.records[item] @@ -539,7 +535,7 @@ async def connect(self, force=False): self.id = 100 async def __aexit__(self, exc_type, exc_val, exc_tb): - async with self._lock: + async with self._lock: # TODO is this actually what I want to happen? self._in_use -= 1 if self._exit_task is not None: self._exit_task.cancel() @@ -578,7 +574,8 @@ async def shutdown(self): async def _recv(self) -> None: try: - response = json.loads(await self.ws.recv()) + # TODO consider wrapping this in asyncio.wait_for and use that for the timeout logic + response = ujson.loads(await self.ws.recv(decode=False)) self.last_received = time.time() async with self._lock: # note that these 'subscriptions' are all waiting sent messages which have not received @@ -620,7 +617,7 @@ async def send(self, payload: dict) -> int: self.id += 1 # self._open_subscriptions += 1 try: - await self.ws.send(json.dumps({**payload, **{"id": original_id}})) + await self.ws.send(ujson.dumps({**payload, **{"id": original_id}})) return original_id except (ConnectionClosed, ssl.SSLError, EOFError): async with self._lock: @@ -668,10 +665,8 @@ def __init__( ss58_format: the specific SS58 format to use type_registry: a dict of custom types chain_name: the name of the chain (the result of the rpc request for "system_chain") - sync_calls: whether this instance is going to be called through a sync wrapper or plain max_retries: number of times to retry RPC requests before giving up retry_timeout: how to long wait since the last ping to retry the RPC request - event_loop_mgr: an EventLoopManager instance, only used in the case where `sync_calls` is `True` _mock: whether to use mock version of the subtensor interface """ @@ -704,8 +699,6 @@ def __init__( ) self.__metadata_cache = {} self.metadata_version_hex = "0x0f000000" # v15 - self.query_map_result_cls = QueryMapResult - self.extrinsic_receipt_cls = AsyncExtrinsicReceipt self.reload_type_registry() self._initializing = False @@ -1627,7 +1620,7 @@ async def retrieve_extrinsic_by_identifier( Returns: ExtrinsicReceiptLike object of the extrinsic """ - return await self.extrinsic_receipt_cls.create_from_extrinsic_identifier( + return await AsyncExtrinsicReceipt.create_from_extrinsic_identifier( substrate=self, extrinsic_identifier=extrinsic_identifier ) @@ -1644,7 +1637,7 @@ def retrieve_extrinsic_by_hash( Returns: ExtrinsicReceiptLike of the extrinsic """ - return self.extrinsic_receipt_cls( + return AsyncExtrinsicReceipt( substrate=self, block_hash=block_hash, extrinsic_hash=extrinsic_hash ) @@ -1835,7 +1828,6 @@ async def _process_response( subscription_id: Union[int, str], value_scale_type: Optional[str] = None, storage_item: Optional[ScaleType] = None, - runtime: Optional[Runtime] = None, result_handler: Optional[ResultHandler] = None, ) -> tuple[Any, bool]: """ @@ -1882,7 +1874,6 @@ async def _make_rpc_request( payloads: list[dict], value_scale_type: Optional[str] = None, storage_item: Optional[ScaleType] = None, - runtime: Optional[Runtime] = None, result_handler: Optional[ResultHandler] = None, attempt: int = 1, ) -> RequestManager.RequestResults: @@ -1927,7 +1918,6 @@ async def _make_rpc_request( item_id, value_scale_type, storage_item, - runtime, result_handler, ) request_manager.add_response( @@ -1953,7 +1943,6 @@ async def _make_rpc_request( payloads, value_scale_type, storage_item, - runtime, result_handler, attempt + 1, ) @@ -2010,13 +1999,7 @@ async def rpc_request( params + [block_hash] if block_hash else params, ) ] - runtime = Runtime( - self.chain, - self.runtime_config, - self.__metadata, - self.type_registry, - ) - result = await self._make_rpc_request(payloads, runtime=runtime) + result = await self._make_rpc_request(payloads) if "error" in result[payload_id][0]: if ( "Failed to get runtime version" @@ -2046,13 +2029,7 @@ async def get_chain_head(self) -> str: "chain_getHead", [], ) - ], - runtime=Runtime( - self.chain, - self.runtime_config, - self.__metadata, - self.type_registry, - ), + ] ) self.last_block_hash = result["rpc_request"][0]["result"] return result["rpc_request"][0]["result"] @@ -2115,9 +2092,7 @@ async def query_multiple( if block_hash: self.last_block_hash = block_hash if not self.__metadata or block_hash: - runtime = await self.init_runtime(block_hash=block_hash) - else: - runtime = self.runtime + await self.init_runtime(block_hash=block_hash) preprocessed: tuple[Preprocessed] = await asyncio.gather( *[ self._preprocess([x], block_hash, storage_function, module) @@ -2133,7 +2108,7 @@ async def query_multiple( storage_item = preprocessed[0].storage_item responses = await self._make_rpc_request( - all_info, value_scale_type, storage_item, runtime + all_info, value_scale_type, storage_item ) return { param: responses[p.queryable][0] for (param, p) in zip(params, preprocessed) @@ -2829,9 +2804,7 @@ async def query( if block_hash: self.last_block_hash = block_hash if not self.__metadata or block_hash: - runtime = await self.init_runtime(block_hash=block_hash) - else: - runtime = self.runtime + await self.init_runtime(block_hash=block_hash) preprocessed: Preprocessed = await self._preprocess( params, block_hash, storage_function, module, raw_storage_key ) @@ -2847,7 +2820,6 @@ async def query( payload, value_scale_type, storage_item, - runtime, result_handler=subscription_handler, ) result = responses[preprocessed.queryable][0] @@ -2866,7 +2838,7 @@ async def query_map( page_size: int = 100, ignore_decoding_errors: bool = False, reuse_block_hash: bool = False, - ) -> QueryMapResult: + ) -> AsyncQueryMapResult: """ Iterates over all key-pairs located at the given module and storage_function. The storage item must be a map. @@ -2898,7 +2870,7 @@ async def query_map( if supplying a block_hash Returns: - QueryMapResult object + AsyncQueryMapResult object """ hex_to_bytes_ = hex_to_bytes params = params or [] @@ -3029,7 +3001,7 @@ def concat_hash_len(key_hasher: str) -> int: raise item_value = None result.append([item_key, item_value]) - return self.query_map_result_cls( + return AsyncQueryMapResult( records=result, page_size=page_size, module=module, @@ -3047,7 +3019,7 @@ async def submit_extrinsic( extrinsic: GenericExtrinsic, wait_for_inclusion: bool = False, wait_for_finalization: bool = False, - ) -> Union["AsyncExtrinsicReceipt", "ExtrinsicReceipt"]: + ) -> "AsyncExtrinsicReceipt": """ Submit an extrinsic to the connected node, with the possibility to wait until the extrinsic is included in a block and/or the block is finalized. The receipt returned provided information about the block and @@ -3136,7 +3108,7 @@ async def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: # Also, this will be a multipart response, so maybe should change to everything after the first response? # The following code implies this will be a single response after the initial subscription id. - result = self.extrinsic_receipt_cls( + result = AsyncExtrinsicReceipt( substrate=self, extrinsic_hash=response["extrinsic_hash"], block_hash=response["block_hash"], @@ -3151,7 +3123,7 @@ async def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: if "result" not in response: raise SubstrateRequestException(response.get("error")) - result = self.extrinsic_receipt_cls( + result = AsyncExtrinsicReceipt( substrate=self, extrinsic_hash=response["result"] ) diff --git a/async_substrate_interface/sync_substrate.py b/async_substrate_interface/sync_substrate.py index cd70745..05ed8c0 100644 --- a/async_substrate_interface/sync_substrate.py +++ b/async_substrate_interface/sync_substrate.py @@ -1,6 +1,5 @@ import logging import random -import time from functools import lru_cache from hashlib import blake2b from typing import Optional, Union, Callable, Any @@ -9,6 +8,8 @@ from bt_decode import PortableRegistry, decode as decode_by_type_string, MetadataV15 from scalecodec import GenericExtrinsic, GenericCall, GenericRuntimeCallDefinition from scalecodec.base import RuntimeConfigurationObject, ScaleBytes, ScaleType +import ujson +from websockets.sync.client import connect, ClientConnection from async_substrate_interface.errors import ( ExtrinsicNotFound, @@ -447,12 +448,6 @@ def __getitem__(self, item): return self.records[item] -class SyncWebsocket: - # TODO change this - def __init__(self, websocket: "Websocket"): - self._ws = websocket - - class SubstrateInterface(SubstrateMixin): def __init__( self, @@ -487,13 +482,6 @@ def __init__( self.chain_endpoint = url self.url = url self.__chain = chain_name - self.ws = Websocket( # TODO change this - url, - options={ - "max_size": 2**32, - "write_limit": 2**16, - }, - ) self.config = { "use_remote_preset": use_remote_preset, "auto_discover": auto_discover, @@ -564,6 +552,16 @@ def name(self): self.__name = self.rpc_request("system_name", []).get("result") return self.__name + @property + def ws(self) -> ClientConnection: + return connect( + self.chain_endpoint, + options={ + "max_size": 2**32, + "write_limit": 2**16, + }, + ) + def get_storage_item(self, module: str, storage_function: str): if not self.__metadata: self.init_runtime() @@ -1167,12 +1165,9 @@ def result_handler(message: dict, subscription_id: str) -> tuple[Any, bool]: if subscription_result is not None: reached = True # Handler returned end result: unsubscribe from further updates - # TODO this logic needs to change - self._forgettable_task = asyncio.create_task( - self.rpc_request( - f"chain_unsubscribe{rpc_method_prefix}Heads", - [subscription_id], - ) + self.rpc_request( + f"chain_unsubscribe{rpc_method_prefix}Heads", + [subscription_id], ) return subscription_result, reached @@ -1587,7 +1582,6 @@ def _process_response( subscription_id: Union[int, str], value_scale_type: Optional[str] = None, storage_item: Optional[ScaleType] = None, - runtime: Optional[Runtime] = None, result_handler: Optional[ResultHandler] = None, ) -> tuple[Any, bool]: """ @@ -1634,33 +1628,50 @@ def _make_rpc_request( payloads: list[dict], value_scale_type: Optional[str] = None, storage_item: Optional[ScaleType] = None, - runtime: Optional[Runtime] = None, result_handler: Optional[ResultHandler] = None, attempt: int = 1, ) -> RequestManager.RequestResults: request_manager = RequestManager(payloads) - + _received = {} subscription_added = False - # TODO add this logic with self.ws as ws: - if len(payloads) > 1: - send_coroutines = await asyncio.gather( - *[ws.send(item["payload"]) for item in payloads] - ) - for item_id, item in zip(send_coroutines, payloads): - request_manager.add_request(item_id, item["id"]) - else: - item = payloads[0] - item_id = ws.send(item["payload"]) - request_manager.add_request(item_id, item["id"]) + item_id = 0 + for payload in payloads: + item_id += 1 + ws.send(ujson.dumps(payload["payload"])) + request_manager.add_request(item_id, payload["id"]) while True: + try: + response = ujson.loads( + ws.recv(timeout=self.retry_timeout, decode=False) + ) + except TimeoutError: + if attempt >= self.max_retries: + logging.warning( + f"Timed out waiting for RPC requests {attempt} times. Exiting." + ) + raise SubstrateRequestException("Max retries reached.") + else: + return self._make_rpc_request( + payloads, + value_scale_type, + storage_item, + result_handler, + attempt + 1, + ) + if "id" in response: + _received[response["id"]] = response + elif "params" in response: + _received[response["params"]["subscription"]] = response + else: + raise SubstrateRequestException(response) for item_id in list(request_manager.response_map.keys()): if item_id not in request_manager.responses or isinstance( result_handler, Callable ): - if response := ws.retrieve(item_id): + if response := _received.pop(item_id): if ( isinstance(result_handler, Callable) and not subscription_added @@ -1679,7 +1690,6 @@ def _make_rpc_request( item_id, value_scale_type, storage_item, - runtime, result_handler, ) request_manager.add_response( @@ -1688,27 +1698,6 @@ def _make_rpc_request( if request_manager.is_complete: break - if time.time() - self.ws.last_received >= self.retry_timeout: - if attempt >= self.max_retries: - logging.warning( - f"Timed out waiting for RPC requests {attempt} times. Exiting." - ) - raise SubstrateRequestException("Max retries reached.") - else: - self.ws.last_received = time.time() - self.ws.connect(force=True) - logging.error( - f"Timed out waiting for RPC requests. " - f"Retrying attempt {attempt + 1} of {self.max_retries}" - ) - return self._make_rpc_request( - payloads, - value_scale_type, - storage_item, - runtime, - result_handler, - attempt + 1, - ) return request_manager.get_results() @@ -1763,13 +1752,7 @@ def rpc_request( params + [block_hash] if block_hash else params, ) ] - runtime = Runtime( - self.chain, - self.runtime_config, - self.__metadata, - self.type_registry, - ) - result = self._make_rpc_request(payloads, runtime=runtime) + result = self._make_rpc_request(payloads) if "error" in result[payload_id][0]: if ( "Failed to get runtime version" @@ -1797,13 +1780,7 @@ def get_chain_head(self) -> str: "chain_getHead", [], ) - ], - runtime=Runtime( - self.chain, - self.runtime_config, - self.__metadata, - self.type_registry, - ), + ] ) self.last_block_hash = result["rpc_request"][0]["result"] return result["rpc_request"][0]["result"] @@ -1863,9 +1840,7 @@ def query_multiple( if block_hash: self.last_block_hash = block_hash if not self.__metadata or block_hash: - runtime = self.init_runtime(block_hash=block_hash) - else: - runtime = self.runtime + self.init_runtime(block_hash=block_hash) preprocessed: tuple[Preprocessed] = [ self._preprocess([x], block_hash, storage_function, module) for x in params @@ -1878,9 +1853,7 @@ def query_multiple( value_scale_type = preprocessed[0].value_scale_type storage_item = preprocessed[0].storage_item - responses = self._make_rpc_request( - all_info, value_scale_type, storage_item, runtime - ) + responses = self._make_rpc_request(all_info, value_scale_type, storage_item) return { param: responses[p.queryable][0] for (param, p) in zip(params, preprocessed) } @@ -2563,9 +2536,7 @@ def query( if block_hash: self.last_block_hash = block_hash if not self.__metadata or block_hash: - runtime = self.init_runtime(block_hash=block_hash) - else: - runtime = self.runtime + self.init_runtime(block_hash=block_hash) preprocessed: Preprocessed = self._preprocess( params, block_hash, storage_function, module, raw_storage_key ) @@ -2581,7 +2552,6 @@ def query( payload, value_scale_type, storage_item, - runtime, result_handler=subscription_handler, ) result = responses[preprocessed.queryable][0] @@ -2825,9 +2795,7 @@ def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: if "finalized" in message_result and wait_for_finalization: # Created as a task because we don't actually care about the result # TODO change this logic - self._forgettable_task = asyncio.create_task( - self.rpc_request("author_unwatchExtrinsic", [subscription_id]) - ) + self.rpc_request("author_unwatchExtrinsic", [subscription_id]) return { "block_hash": message_result["finalized"], "extrinsic_hash": "0x{}".format(extrinsic.extrinsic_hash.hex()), @@ -2838,11 +2806,7 @@ def result_handler(message: dict, subscription_id) -> tuple[dict, bool]: and wait_for_inclusion and not wait_for_finalization ): - # Created as a task because we don't actually care about the result - # TODO change this logic - self._forgettable_task = asyncio.create_task( - self.rpc_request("author_unwatchExtrinsic", [subscription_id]) - ) + self.rpc_request("author_unwatchExtrinsic", [subscription_id]) return { "block_hash": message_result["inblock"], "extrinsic_hash": "0x{}".format(extrinsic.extrinsic_hash.hex()), diff --git a/async_substrate_interface/types.py b/async_substrate_interface/types.py index d6e24a1..2b095aa 100644 --- a/async_substrate_interface/types.py +++ b/async_substrate_interface/types.py @@ -1,10 +1,15 @@ +import logging from abc import ABC +from collections import defaultdict from collections.abc import Iterable from dataclasses import dataclass from datetime import datetime -from typing import Optional +from typing import Optional, Union, Any -from scalecodec import GenericExtrinsic, ss58_encode, ss58_decode, is_valid_ss58_address +from bt_decode import PortableRegistry +from scalecodec import ss58_encode, ss58_decode, is_valid_ss58_address +from scalecodec.base import RuntimeConfigurationObject, ScaleBytes +from scalecodec.type_registry import load_type_registry_preset from scalecodec.types import GenericCall, ScaleType diff --git a/pyproject.toml b/pyproject.toml index 0c383d9..8c541cb 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -12,6 +12,7 @@ dependencies = [ "bittensor-wallet>=2.1.3", "bt-decode==0.4.0", "scalecodec==1.2.11", + "ujson==5.10.0", "websockets>=14.1", "xxhash" ] From 67accb44c97ab37a50e7bb7006fe2c4714bdba97 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Fri, 17 Jan 2025 15:48:28 +0200 Subject: [PATCH 17/30] Update build system to use the pyproject.toml rather than setup.py --- .github/workflows/release.yml | 7 ++++--- setup.py | 33 --------------------------------- 2 files changed, 4 insertions(+), 36 deletions(-) delete mode 100644 setup.py diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml index 2cdfe5d..30ff144 100644 --- a/.github/workflows/release.yml +++ b/.github/workflows/release.yml @@ -23,14 +23,15 @@ jobs: - name: Install dependencies run: | python -m pip install --upgrade pip - pip install build wheel twine + pip install setuptools wheel twine build toml - name: Build package - run: python setup.py sdist bdist_wheel + run: | + python -m build --sdist --wheel --outdir dist/ - name: Check if package version already exists run: | - PACKAGE_NAME=$(python setup.py --name) + PACKAGE_NAME=$(python -c "import toml; print(toml.load('pyproject.toml')['project']['name'])") PACKAGE_VERSION=${{ github.event.inputs.version }} if twine check dist/*; then if pip install $PACKAGE_NAME==$PACKAGE_VERSION; then diff --git a/setup.py b/setup.py deleted file mode 100644 index 1b84e79..0000000 --- a/setup.py +++ /dev/null @@ -1,33 +0,0 @@ -from setuptools import setup, find_packages - -setup( - name="async-substrate-interface", - version="1.0.0rc1", - description="Asyncio library for interacting with substrate.", - long_description=open("README.md").read(), - long_description_content_type="text/markdown", - author="Opentensor Foundation", - author_email="benhimes@opentensor.dev", - url="https://github.com/opentensor/async-substrate-interface", - packages=find_packages(), - install_requires=[ - "asyncstdlib~=3.13.0", - "bittensor-wallet>=2.1.3", - "bt-decode==0.4.0", - "scalecodec==1.2.11", - "websockets>=14.1", - "xxhash", - ], - python_requires=">=3.9,<3.13", - classifiers=[ - "Development Status :: 5 - Production/Stable", - "Intended Audience :: Developers", - "License :: OSI Approved :: MIT License", - "Programming Language :: Python :: 3", - "Programming Language :: Python :: 3.9", - "Programming Language :: Python :: 3.10", - "Programming Language :: Python :: 3.11", - "Programming Language :: Python :: 3.12", - "Programming Language :: Python :: 3 :: Only", - ], -) From a864922edcbf17673b196b402ae2a9cb272b18ec Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Fri, 17 Jan 2025 15:56:08 +0200 Subject: [PATCH 18/30] Update requirements. --- pyproject.toml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 8c541cb..ed94536 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -11,8 +11,8 @@ dependencies = [ "asyncstdlib~=3.13.0", "bittensor-wallet>=2.1.3", "bt-decode==0.4.0", - "scalecodec==1.2.11", - "ujson==5.10.0", + "scalecodec~=1.2.11", + "ujson", "websockets>=14.1", "xxhash" ] From 4091b1e6f9d723507af3d322a8d6e69acf6139ff Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Fri, 17 Jan 2025 16:08:27 +0200 Subject: [PATCH 19/30] Fixed naming. --- async_substrate_interface/async_substrate.py | 145 +++++++++--------- async_substrate_interface/sync_substrate.py | 143 +++++++++-------- async_substrate_interface/types.py | 26 ++-- .../{ => asyncio}/test_substrate_interface.py | 7 +- 4 files changed, 158 insertions(+), 163 deletions(-) rename tests/unit_tests/{ => asyncio}/test_substrate_interface.py (90%) diff --git a/async_substrate_interface/async_substrate.py b/async_substrate_interface/async_substrate.py index 3f4ef3f..7052be9 100644 --- a/async_substrate_interface/async_substrate.py +++ b/async_substrate_interface/async_substrate.py @@ -674,7 +674,7 @@ def __init__( self.retry_timeout = retry_timeout self.chain_endpoint = url self.url = url - self.__chain = chain_name + self._chain = chain_name self.ws = Websocket( url, options={ @@ -697,7 +697,7 @@ def __init__( self.runtime_config = RuntimeConfigurationObject( ss58_format=self.ss58_format, implements_scale_info=True ) - self.__metadata_cache = {} + self._metadata_cache = {} self.metadata_version_hex = "0x0f000000" # v15 self.reload_type_registry() self._initializing = False @@ -713,9 +713,9 @@ async def initialize(self): async with self._lock: self._initializing = True if not self.initialized: - if not self.__chain: + if not self._chain: chain = await self.rpc_request("system_chain", []) - self.__chain = chain.get("result") + self._chain = chain.get("result") await asyncio.gather( self.load_registry(), self._first_initialize_runtime() ) @@ -727,45 +727,43 @@ async def __aexit__(self, exc_type, exc_val, exc_tb): @property async def properties(self): - if self.__properties is None: - self.__properties = (await self.rpc_request("system_properties", [])).get( + if self._properties is None: + self._properties = (await self.rpc_request("system_properties", [])).get( "result" ) - return self.__properties + return self._properties @property async def version(self): - if self.__version is None: - self.__version = (await self.rpc_request("system_version", [])).get( - "result" - ) - return self.__version + if self._version is None: + self._version = (await self.rpc_request("system_version", [])).get("result") + return self._version @property async def token_decimals(self): - if self.__token_decimals is None: - self.__token_decimals = (await self.properties).get("tokenDecimals") - return self.__token_decimals + if self._token_decimals is None: + self._token_decimals = (await self.properties).get("tokenDecimals") + return self._token_decimals @property async def token_symbol(self): - if self.__token_symbol is None: + if self._token_symbol is None: if self.properties: - self.__token_symbol = (await self.properties).get("tokenSymbol") + self._token_symbol = (await self.properties).get("tokenSymbol") else: - self.__token_symbol = "UNIT" - return self.__token_symbol + self._token_symbol = "UNIT" + return self._token_symbol @property async def name(self): - if self.__name is None: - self.__name = (await self.rpc_request("system_name", [])).get("result") - return self.__name + if self._name is None: + self._name = (await self.rpc_request("system_name", [])).get("result") + return self._name async def get_storage_item(self, module: str, storage_function: str): - if not self.__metadata: + if not self._metadata: await self.init_runtime() - metadata_pallet = self.__metadata.get_metadata_pallet(module) + metadata_pallet = self._metadata.get_metadata_pallet(module) storage_item = metadata_pallet.get_storage_function(storage_function) return storage_item @@ -862,11 +860,11 @@ async def encode_scale(self, type_string, value, block_hash=None) -> ScaleBytes: Returns: ScaleBytes encoded value """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) obj = self.runtime_config.create_scale_object( - type_string=type_string, metadata=self.__metadata + type_string=type_string, metadata=self._metadata ) return obj.encode(value) @@ -877,8 +875,8 @@ async def _first_initialize_runtime(self): runtime_info, metadata = await asyncio.gather( self.get_block_runtime_version(None), self.get_block_metadata() ) - self.__metadata = metadata - self.__metadata_cache[self.runtime_version] = self.__metadata + self._metadata = metadata + self._metadata_cache[self.runtime_version] = self._metadata self.runtime_version = runtime_info.get("specVersion") self.runtime_config.set_active_spec_version_id(self.runtime_version) self.transaction_version = runtime_info.get("transactionVersion") @@ -919,11 +917,11 @@ async def get_runtime(block_hash, block_id) -> Runtime: if ( (block_hash and block_hash == self.last_block_hash) or (block_id and block_id == self.block_id) - ) and self.__metadata is not None: + ) and self._metadata is not None: return Runtime( self.chain, self.runtime_config, - self.__metadata, + self._metadata, self.type_registry, ) @@ -967,31 +965,31 @@ async def get_runtime(block_hash, block_id) -> Runtime: # Check if runtime state already set to current block if ( runtime_info.get("specVersion") == self.runtime_version - and self.__metadata is not None + and self._metadata is not None ): return Runtime( self.chain, self.runtime_config, - self.__metadata, + self._metadata, self.type_registry, ) self.runtime_version = runtime_info.get("specVersion") self.transaction_version = runtime_info.get("transactionVersion") - if not self.__metadata: - if self.runtime_version in self.__metadata_cache: + if not self._metadata: + if self.runtime_version in self._metadata_cache: # Get metadata from cache logging.debug( "Retrieved metadata for {} from memory".format( self.runtime_version ) ) - metadata = self.__metadata = self.__metadata_cache[ + metadata = self._metadata = self._metadata_cache[ self.runtime_version ] else: - metadata = self.__metadata = await self.get_block_metadata( + metadata = self._metadata = await self.get_block_metadata( block_hash=runtime_block_hash, decode=True ) logging.debug( @@ -1001,9 +999,9 @@ async def get_runtime(block_hash, block_id) -> Runtime: ) # Update metadata cache - self.__metadata_cache[self.runtime_version] = self.__metadata + self._metadata_cache[self.runtime_version] = self._metadata else: - metadata = self.__metadata + metadata = self._metadata # Update type registry self.reload_type_registry(use_remote_preset=False, auto_discover=True) @@ -1071,7 +1069,7 @@ async def create_storage_key( Returns: StorageKey """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) return StorageKey.create_from_storage_function( @@ -1079,7 +1077,7 @@ async def create_storage_key( storage_function, params, runtime_config=self.runtime_config, - metadata=self.__metadata, + metadata=self._metadata, ) async def get_metadata_storage_functions(self, block_hash=None) -> list: @@ -1093,7 +1091,7 @@ async def get_metadata_storage_functions(self, block_hash=None) -> list: Returns: list of storage functions """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) storage_list = [] @@ -1125,7 +1123,7 @@ async def get_metadata_storage_function( Returns: Metadata storage function """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) pallet = self.metadata.get_metadata_pallet(module_name) @@ -1145,12 +1143,12 @@ async def get_metadata_errors( Returns: list of errors in the metadata """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) error_list = [] - for module_idx, module in enumerate(self.__metadata.pallets): + for module_idx, module in enumerate(self._metadata.pallets): if module.errors: for error in module.errors: error_list.append( @@ -1176,10 +1174,10 @@ async def get_metadata_error(self, module_name, error_name, block_hash=None): error """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) - for module_idx, module in enumerate(self.__metadata.pallets): + for module_idx, module in enumerate(self._metadata.pallets): if module.name == module_name and module.errors: for error in module.errors: if error_name == error.name: @@ -1194,7 +1192,7 @@ async def get_metadata_runtime_call_functions( Returns: list of runtime call functions """ - if not self.__metadata: + if not self._metadata: await self.init_runtime() call_functions = [] @@ -1219,7 +1217,7 @@ async def get_metadata_runtime_call_function( Returns: runtime call function """ - if not self.__metadata: + if not self._metadata: await self.init_runtime() try: @@ -1274,7 +1272,7 @@ async def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: try: extrinsic_decoder = extrinsic_cls( data=ScaleBytes(extrinsic_data), - metadata=self.__metadata, + metadata=self._metadata, runtime_config=self.runtime_config, ) extrinsic_decoder.decode(check_remaining=True) @@ -1775,7 +1773,7 @@ async def _preprocess( """ params = query_for if query_for else [] # Search storage call in metadata - metadata_pallet = self.__metadata.get_metadata_pallet(module) + metadata_pallet = self._metadata.get_metadata_pallet(module) if not metadata_pallet: raise SubstrateRequestException(f'Pallet "{module}" not found') @@ -1811,7 +1809,7 @@ async def _preprocess( storage_item.value["name"], params, runtime_config=self.runtime_config, - metadata=self.__metadata, + metadata=self._metadata, ) method = "state_getStorageAt" return Preprocessed( @@ -1839,7 +1837,6 @@ async def _process_response( subscription_id: the subscription id for subscriptions, used only for subscriptions with a result handler value_scale_type: Scale Type string used for decoding ScaleBytes results storage_item: The ScaleType object used for decoding ScaleBytes results - runtime: the runtime object, used for decoding ScaleBytes results result_handler: the result handler coroutine used for handling longer-running subscriptions Returns: @@ -2057,11 +2054,11 @@ async def compose_call( if call_params is None: call_params = {} - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) call = self.runtime_config.create_scale_object( - type_string="Call", metadata=self.__metadata + type_string="Call", metadata=self._metadata ) call.encode( @@ -2091,7 +2088,7 @@ async def query_multiple( block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) if block_hash: self.last_block_hash = block_hash - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) preprocessed: tuple[Preprocessed] = await asyncio.gather( *[ @@ -2142,7 +2139,7 @@ async def query_multi( Returns: list of `(storage_key, scale_obj)` tuples """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) # Retrieve corresponding value @@ -2196,7 +2193,7 @@ async def create_scale_object( Returns: The created Scale Type object """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: runtime = await self.init_runtime(block_hash=block_hash) else: runtime = self.runtime @@ -2245,12 +2242,12 @@ async def generate_signature_payload( ) # Process signed extensions in metadata - if "signed_extensions" in self.__metadata[1][1]["extrinsic"]: + if "signed_extensions" in self._metadata[1][1]["extrinsic"]: # Base signature payload signature_payload.type_mapping = [["call", "CallBytes"]] # Add signed extensions to payload - signed_extensions = self.__metadata.get_signed_extensions() + signed_extensions = self._metadata.get_signed_extensions() if "CheckMortality" in signed_extensions: signature_payload.type_mapping.append( @@ -2390,9 +2387,9 @@ async def create_signed_extrinsic( raise TypeError("'call' must be of type Call") # Check if extrinsic version is supported - if self.__metadata[1][1]["extrinsic"]["version"] != 4: # type: ignore + if self._metadata[1][1]["extrinsic"]["version"] != 4: # type: ignore raise NotImplementedError( - f"Extrinsic version {self.__metadata[1][1]['extrinsic']['version']} not supported" # type: ignore + f"Extrinsic version {self._metadata[1][1]['extrinsic']['version']} not supported" # type: ignore ) # Retrieve nonce @@ -2434,7 +2431,7 @@ async def create_signed_extrinsic( # Create extrinsic extrinsic = self.runtime_config.create_scale_object( - type_string="Extrinsic", metadata=self.__metadata + type_string="Extrinsic", metadata=self._metadata ) value = { @@ -2494,7 +2491,7 @@ async def runtime_call( Returns: ScaleType from the runtime call """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) if params is None: @@ -2521,7 +2518,7 @@ async def runtime_call( runtime = Runtime( self.chain, self.runtime_config, - self.__metadata, + self._metadata, self.type_registry, ) @@ -2605,10 +2602,10 @@ async def get_metadata_constant(self, module_name, constant_name, block_hash=Non Returns: MetadataModuleConstants """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) - for module in self.__metadata.pallets: + for module in self._metadata.pallets: if module_name == module.name and module.constants: for constant in module.constants: if constant_name == constant.value["name"]: @@ -2702,7 +2699,7 @@ async def get_type_registry( Returns: dict mapping the type strings to the type decompositions """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) if not self.implements_scaleinfo: @@ -2752,7 +2749,7 @@ async def get_metadata_modules(self, block_hash=None) -> list[dict[str, Any]]: Returns: List of metadata modules """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) return [ @@ -2781,7 +2778,7 @@ async def get_metadata_module(self, name, block_hash=None) -> ScaleType: Returns: MetadataModule """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) return self.metadata.get_metadata_pallet(name) @@ -2803,7 +2800,7 @@ async def query( block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) if block_hash: self.last_block_hash = block_hash - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) preprocessed: Preprocessed = await self._preprocess( params, block_hash, storage_function, module, raw_storage_key @@ -2877,10 +2874,10 @@ async def query_map( block_hash = await self._get_current_block_hash(block_hash, reuse_block_hash) if block_hash: self.last_block_hash = block_hash - if not self.__metadata or block_hash: + if not self._metadata or block_hash: await self.init_runtime(block_hash=block_hash) - metadata_pallet = self.__metadata.get_metadata_pallet(module) + metadata_pallet = self._metadata.get_metadata_pallet(module) if not metadata_pallet: raise ValueError(f'Pallet "{module}" not found') storage_item = metadata_pallet.get_storage_function(storage_function) @@ -2908,7 +2905,7 @@ async def query_map( storage_item.value["name"], params, runtime_config=self.runtime_config, - metadata=self.__metadata, + metadata=self._metadata, ) prefix = storage_key.to_hex() @@ -3147,7 +3144,7 @@ async def get_metadata_call_function( Returns: list of call functions """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: runtime = await self.init_runtime(block_hash=block_hash) else: runtime = self.runtime diff --git a/async_substrate_interface/sync_substrate.py b/async_substrate_interface/sync_substrate.py index 05ed8c0..8d0aac7 100644 --- a/async_substrate_interface/sync_substrate.py +++ b/async_substrate_interface/sync_substrate.py @@ -481,7 +481,7 @@ def __init__( self.retry_timeout = retry_timeout self.chain_endpoint = url self.url = url - self.__chain = chain_name + self._chain = chain_name self.config = { "use_remote_preset": use_remote_preset, "auto_discover": auto_discover, @@ -496,7 +496,7 @@ def __init__( self.runtime_config = RuntimeConfigurationObject( ss58_format=self.ss58_format, implements_scale_info=True ) - self.__metadata_cache = {} + self._metadata_cache = {} self.metadata_version_hex = "0x0f000000" # v15 self.reload_type_registry() @@ -509,9 +509,9 @@ def initialize(self): Initialize the connection to the chain. """ if not self.initialized: - if not self.__chain: + if not self._chain: chain = self.rpc_request("system_chain", []) - self.__chain = chain.get("result") + self._chain = chain.get("result") self.load_registry() self._first_initialize_runtime() self.initialized = True @@ -521,36 +521,36 @@ def __exit__(self, exc_type, exc_val, exc_tb): @property def properties(self): - if self.__properties is None: - self.__properties = self.rpc_request("system_properties", []).get("result") - return self.__properties + if self._properties is None: + self._properties = self.rpc_request("system_properties", []).get("result") + return self._properties @property def version(self): - if self.__version is None: - self.__version = self.rpc_request("system_version", []).get("result") - return self.__version + if self._version is None: + self._version = self.rpc_request("system_version", []).get("result") + return self._version @property def token_decimals(self): - if self.__token_decimals is None: - self.__token_decimals = self.properties.get("tokenDecimals") - return self.__token_decimals + if self._token_decimals is None: + self._token_decimals = self.properties.get("tokenDecimals") + return self._token_decimals @property def token_symbol(self): - if self.__token_symbol is None: + if self._token_symbol is None: if self.properties: - self.__token_symbol = self.properties.get("tokenSymbol") + self._token_symbol = self.properties.get("tokenSymbol") else: - self.__token_symbol = "UNIT" - return self.__token_symbol + self._token_symbol = "UNIT" + return self._token_symbol @property def name(self): - if self.__name is None: - self.__name = self.rpc_request("system_name", []).get("result") - return self.__name + if self._name is None: + self._name = self.rpc_request("system_name", []).get("result") + return self._name @property def ws(self) -> ClientConnection: @@ -563,9 +563,9 @@ def ws(self) -> ClientConnection: ) def get_storage_item(self, module: str, storage_function: str): - if not self.__metadata: + if not self._metadata: self.init_runtime() - metadata_pallet = self.__metadata.get_metadata_pallet(module) + metadata_pallet = self._metadata.get_metadata_pallet(module) storage_item = metadata_pallet.get_storage_function(storage_function) return storage_item @@ -632,11 +632,11 @@ def encode_scale(self, type_string, value, block_hash=None) -> ScaleBytes: Returns: ScaleBytes encoded value """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) obj = self.runtime_config.create_scale_object( - type_string=type_string, metadata=self.__metadata + type_string=type_string, metadata=self._metadata ) return obj.encode(value) @@ -646,8 +646,8 @@ def _first_initialize_runtime(self): """ runtime_info = self.get_block_runtime_version(None) metadata = self.get_block_metadata() - self.__metadata = metadata - self.__metadata_cache[self.runtime_version] = self.__metadata + self._metadata = metadata + self._metadata_cache[self.runtime_version] = self._metadata self.runtime_version = runtime_info.get("specVersion") self.runtime_config.set_active_spec_version_id(self.runtime_version) self.transaction_version = runtime_info.get("transactionVersion") @@ -688,11 +688,11 @@ def get_runtime(block_hash, block_id) -> Runtime: if ( (block_hash and block_hash == self.last_block_hash) or (block_id and block_id == self.block_id) - ) and self.__metadata is not None: + ) and self._metadata is not None: return Runtime( self.chain, self.runtime_config, - self.__metadata, + self._metadata, self.type_registry, ) @@ -732,31 +732,31 @@ def get_runtime(block_hash, block_id) -> Runtime: # Check if runtime state already set to current block if ( runtime_info.get("specVersion") == self.runtime_version - and self.__metadata is not None + and self._metadata is not None ): return Runtime( self.chain, self.runtime_config, - self.__metadata, + self._metadata, self.type_registry, ) self.runtime_version = runtime_info.get("specVersion") self.transaction_version = runtime_info.get("transactionVersion") - if not self.__metadata: - if self.runtime_version in self.__metadata_cache: + if not self._metadata: + if self.runtime_version in self._metadata_cache: # Get metadata from cache logging.debug( "Retrieved metadata for {} from memory".format( self.runtime_version ) ) - metadata = self.__metadata = self.__metadata_cache[ + metadata = self._metadata = self._metadata_cache[ self.runtime_version ] else: - metadata = self.__metadata = self.get_block_metadata( + metadata = self._metadata = self.get_block_metadata( block_hash=runtime_block_hash, decode=True ) logging.debug( @@ -766,9 +766,9 @@ def get_runtime(block_hash, block_id) -> Runtime: ) # Update metadata cache - self.__metadata_cache[self.runtime_version] = self.__metadata + self._metadata_cache[self.runtime_version] = self._metadata else: - metadata = self.__metadata + metadata = self._metadata # Update type registry self.reload_type_registry(use_remote_preset=False, auto_discover=True) @@ -836,7 +836,7 @@ def create_storage_key( Returns: StorageKey """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) return StorageKey.create_from_storage_function( @@ -844,7 +844,7 @@ def create_storage_key( storage_function, params, runtime_config=self.runtime_config, - metadata=self.__metadata, + metadata=self._metadata, ) def get_metadata_storage_functions(self, block_hash=None) -> list: @@ -858,7 +858,7 @@ def get_metadata_storage_functions(self, block_hash=None) -> list: Returns: list of storage functions """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) storage_list = [] @@ -888,7 +888,7 @@ def get_metadata_storage_function(self, module_name, storage_name, block_hash=No Returns: Metadata storage function """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) pallet = self.metadata.get_metadata_pallet(module_name) @@ -906,12 +906,12 @@ def get_metadata_errors(self, block_hash=None) -> list[dict[str, Optional[str]]] Returns: list of errors in the metadata """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) error_list = [] - for module_idx, module in enumerate(self.__metadata.pallets): + for module_idx, module in enumerate(self._metadata.pallets): if module.errors: for error in module.errors: error_list.append( @@ -937,10 +937,10 @@ def get_metadata_error(self, module_name, error_name, block_hash=None): error """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) - for module_idx, module in enumerate(self.__metadata.pallets): + for module_idx, module in enumerate(self._metadata.pallets): if module.name == module_name and module.errors: for error in module.errors: if error_name == error.name: @@ -955,7 +955,7 @@ def get_metadata_runtime_call_functions( Returns: list of runtime call functions """ - if not self.__metadata: + if not self._metadata: self.init_runtime() call_functions = [] @@ -980,7 +980,7 @@ def get_metadata_runtime_call_function( Returns: runtime call function """ - if not self.__metadata: + if not self._metadata: self.init_runtime() try: @@ -1035,7 +1035,7 @@ def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: try: extrinsic_decoder = extrinsic_cls( data=ScaleBytes(extrinsic_data), - metadata=self.__metadata, + metadata=self._metadata, runtime_config=self.runtime_config, ) extrinsic_decoder.decode(check_remaining=True) @@ -1530,7 +1530,7 @@ def _preprocess( """ params = query_for if query_for else [] # Search storage call in metadata - metadata_pallet = self.__metadata.get_metadata_pallet(module) + metadata_pallet = self._metadata.get_metadata_pallet(module) if not metadata_pallet: raise SubstrateRequestException(f'Pallet "{module}" not found') @@ -1565,7 +1565,7 @@ def _preprocess( storage_item.value["name"], params, runtime_config=self.runtime_config, - metadata=self.__metadata, + metadata=self._metadata, ) method = "state_getStorageAt" return Preprocessed( @@ -1593,7 +1593,6 @@ def _process_response( subscription_id: the subscription id for subscriptions, used only for subscriptions with a result handler value_scale_type: Scale Type string used for decoding ScaleBytes results storage_item: The ScaleType object used for decoding ScaleBytes results - runtime: the runtime object, used for decoding ScaleBytes results result_handler: the result handler coroutine used for handling longer-running subscriptions Returns: @@ -1808,11 +1807,11 @@ def compose_call( if call_params is None: call_params = {} - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) call = self.runtime_config.create_scale_object( - type_string="Call", metadata=self.__metadata + type_string="Call", metadata=self._metadata ) call.encode( @@ -1839,7 +1838,7 @@ def query_multiple( block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) if block_hash: self.last_block_hash = block_hash - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) preprocessed: tuple[Preprocessed] = [ @@ -1886,7 +1885,7 @@ def query_multi( Returns: list of `(storage_key, scale_obj)` tuples """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) # Retrieve corresponding value @@ -1938,7 +1937,7 @@ def create_scale_object( Returns: The created Scale Type object """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: runtime = self.init_runtime(block_hash=block_hash) else: runtime = self.runtime @@ -1985,12 +1984,12 @@ def generate_signature_payload( ) # Process signed extensions in metadata - if "signed_extensions" in self.__metadata[1][1]["extrinsic"]: + if "signed_extensions" in self._metadata[1][1]["extrinsic"]: # Base signature payload signature_payload.type_mapping = [["call", "CallBytes"]] # Add signed extensions to payload - signed_extensions = self.__metadata.get_signed_extensions() + signed_extensions = self._metadata.get_signed_extensions() if "CheckMortality" in signed_extensions: signature_payload.type_mapping.append( @@ -2130,9 +2129,9 @@ def create_signed_extrinsic( raise TypeError("'call' must be of type Call") # Check if extrinsic version is supported - if self.__metadata[1][1]["extrinsic"]["version"] != 4: # type: ignore + if self._metadata[1][1]["extrinsic"]["version"] != 4: # type: ignore raise NotImplementedError( - f"Extrinsic version {self.__metadata[1][1]['extrinsic']['version']} not supported" # type: ignore + f"Extrinsic version {self._metadata[1][1]['extrinsic']['version']} not supported" # type: ignore ) # Retrieve nonce @@ -2172,7 +2171,7 @@ def create_signed_extrinsic( # Create extrinsic extrinsic = self.runtime_config.create_scale_object( - type_string="Extrinsic", metadata=self.__metadata + type_string="Extrinsic", metadata=self._metadata ) value = { @@ -2232,7 +2231,7 @@ def runtime_call( Returns: ScaleType from the runtime call """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) if params is None: @@ -2259,7 +2258,7 @@ def runtime_call( runtime = Runtime( self.chain, self.runtime_config, - self.__metadata, + self._metadata, self.type_registry, ) @@ -2343,10 +2342,10 @@ def get_metadata_constant(self, module_name, constant_name, block_hash=None): Returns: MetadataModuleConstants """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) - for module in self.__metadata.pallets: + for module in self._metadata.pallets: if module_name == module.name and module.constants: for constant in module.constants: if constant_name == constant.value["name"]: @@ -2436,7 +2435,7 @@ def get_type_registry(self, block_hash: str = None, max_recursion: int = 4) -> d Returns: dict mapping the type strings to the type decompositions """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) if not self.implements_scaleinfo: @@ -2484,7 +2483,7 @@ def get_metadata_modules(self, block_hash=None) -> list[dict[str, Any]]: Returns: List of metadata modules """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) return [ @@ -2513,7 +2512,7 @@ def get_metadata_module(self, name, block_hash=None) -> ScaleType: Returns: MetadataModule """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) return self.metadata.get_metadata_pallet(name) @@ -2535,7 +2534,7 @@ def query( block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) if block_hash: self.last_block_hash = block_hash - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) preprocessed: Preprocessed = self._preprocess( params, block_hash, storage_function, module, raw_storage_key @@ -2609,10 +2608,10 @@ def query_map( block_hash = self._get_current_block_hash(block_hash, reuse_block_hash) if block_hash: self.last_block_hash = block_hash - if not self.__metadata or block_hash: + if not self._metadata or block_hash: self.init_runtime(block_hash=block_hash) - metadata_pallet = self.__metadata.get_metadata_pallet(module) + metadata_pallet = self._metadata.get_metadata_pallet(module) if not metadata_pallet: raise ValueError(f'Pallet "{module}" not found') storage_item = metadata_pallet.get_storage_function(storage_function) @@ -2641,7 +2640,7 @@ def query_map( storage_item.value["name"], params, runtime_config=self.runtime_config, - metadata=self.__metadata, + metadata=self._metadata, ) prefix = storage_key.to_hex() @@ -2872,7 +2871,7 @@ def get_metadata_call_function( Returns: list of call functions """ - if not self.__metadata or block_hash: + if not self._metadata or block_hash: runtime = self.init_runtime(block_hash=block_hash) else: runtime = self.runtime diff --git a/async_substrate_interface/types.py b/async_substrate_interface/types.py index 2b095aa..3f96bc6 100644 --- a/async_substrate_interface/types.py +++ b/async_substrate_interface/types.py @@ -330,13 +330,13 @@ class SubstrateMixin(ABC): transaction_version = None block_id: Optional[int] = None last_block_hash: Optional[str] = None - __name: Optional[str] = None - __properties = None - __version = None - __token_decimals = None - __token_symbol = None - __metadata = None - __chain: str + _name: Optional[str] = None + _properties = None + _version = None + _token_decimals = None + _token_symbol = None + _metadata = None + _chain: str runtime_config: RuntimeConfigurationObject type_registry: Optional[dict] ss58_format: Optional[int] @@ -346,24 +346,24 @@ def chain(self): """ Returns the substrate chain currently associated with object """ - return self.__chain + return self._chain @property def metadata(self): - if self.__metadata is None: + if self._metadata is None: raise AttributeError( "Metadata not found. This generally indicates that the AsyncSubstrateInterface object " "is not properly async initialized." ) else: - return self.__metadata + return self._metadata @property def runtime(self): return Runtime( self.chain, self.runtime_config, - self.__metadata, + self._metadata, self.type_registry, ) @@ -376,8 +376,8 @@ def implements_scaleinfo(self) -> Optional[bool]: ------- bool """ - if self.__metadata: - return self.__metadata.portable_registry is not None + if self._metadata: + return self._metadata.portable_registry is not None else: return None diff --git a/tests/unit_tests/test_substrate_interface.py b/tests/unit_tests/asyncio/test_substrate_interface.py similarity index 90% rename from tests/unit_tests/test_substrate_interface.py rename to tests/unit_tests/asyncio/test_substrate_interface.py index 917d220..738dc17 100644 --- a/tests/unit_tests/test_substrate_interface.py +++ b/tests/unit_tests/asyncio/test_substrate_interface.py @@ -1,10 +1,8 @@ -import asyncio import pytest from websockets.exceptions import InvalidURI -from async_substrate_interface.substrate_interface import ( +from async_substrate_interface.async_substrate import ( AsyncSubstrateInterface, - get_async_substrate_interface, ScaleObj, ) @@ -12,8 +10,9 @@ @pytest.mark.asyncio async def test_invalid_url_raises_exception(): """Test that invalid URI raises an InvalidURI exception.""" + async_substrate = AsyncSubstrateInterface("non_existent_entry_point") with pytest.raises(InvalidURI): - await get_async_substrate_interface("non_existent_entry_point") + await async_substrate.initialize() def test_scale_object(): From ee7032d5b18799aaa55ce4bafaeb4f29c07f6771 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Fri, 17 Jan 2025 16:17:28 +0200 Subject: [PATCH 20/30] Tests --- .../asyncio/test_substrate_interface.py | 59 ++----------------- tests/unit_tests/test_types.py | 53 +++++++++++++++++ 2 files changed, 59 insertions(+), 53 deletions(-) create mode 100644 tests/unit_tests/test_types.py diff --git a/tests/unit_tests/asyncio/test_substrate_interface.py b/tests/unit_tests/asyncio/test_substrate_interface.py index 738dc17..5a8b445 100644 --- a/tests/unit_tests/asyncio/test_substrate_interface.py +++ b/tests/unit_tests/asyncio/test_substrate_interface.py @@ -2,8 +2,7 @@ from websockets.exceptions import InvalidURI from async_substrate_interface.async_substrate import ( - AsyncSubstrateInterface, - ScaleObj, + AsyncSubstrateInterface ) @@ -14,54 +13,8 @@ async def test_invalid_url_raises_exception(): with pytest.raises(InvalidURI): await async_substrate.initialize() - -def test_scale_object(): - """Verifies that the instance can be subject to various operations.""" - # Preps - inst_int = ScaleObj(100) - - # Asserts - assert inst_int + 1 == 101 - assert 1 + inst_int == 101 - assert inst_int - 1 == 99 - assert 101 - inst_int == 1 - assert inst_int * 2 == 200 - assert 2 * inst_int == 200 - assert inst_int / 2 == 50 - assert 100 / inst_int == 1 - assert inst_int // 2 == 50 - assert 1001 // inst_int == 10 - assert inst_int % 3 == 1 - assert 1002 % inst_int == 2 - assert inst_int >= 99 - assert inst_int <= 101 - - # Preps - inst_str = ScaleObj("test") - - # Asserts - assert inst_str + "test1" == "testtest1" - assert "test1" + inst_str == "test1test" - assert inst_str * 2 == "testtest" - assert 2 * inst_str == "testtest" - assert inst_str >= "test" - assert inst_str <= "testtest" - assert inst_str[0] == "t" - assert [i for i in inst_str] == ["t", "e", "s", "t"] - - # Preps - inst_list = ScaleObj([1, 2, 3]) - - # Asserts - assert inst_list[0] == 1 - assert inst_list[-1] == 3 - assert inst_list * 2 == inst_list + inst_list - assert [i for i in inst_list] == [1, 2, 3] - assert inst_list >= [1, 2] - assert inst_list <= [1, 2, 3, 4] - assert len(inst_list) == 3 - - inst_dict = ScaleObj({"a": 1, "b": 2}) - assert inst_dict["a"] == 1 - assert inst_dict["b"] == 2 - assert [i for i in inst_dict] == ["a", "b"] + with pytest.raises(InvalidURI): + async with AsyncSubstrateInterface( + "non_existent_entry_point" + ) as async_substrate: + pass diff --git a/tests/unit_tests/test_types.py b/tests/unit_tests/test_types.py new file mode 100644 index 0000000..70eaa2e --- /dev/null +++ b/tests/unit_tests/test_types.py @@ -0,0 +1,53 @@ +from async_substrate_interface.types import ScaleObj + + +def test_scale_object(): + """Verifies that the instance can be subject to various operations.""" + # Preps + inst_int = ScaleObj(100) + + # Asserts + assert inst_int + 1 == 101 + assert 1 + inst_int == 101 + assert inst_int - 1 == 99 + assert 101 - inst_int == 1 + assert inst_int * 2 == 200 + assert 2 * inst_int == 200 + assert inst_int / 2 == 50 + assert 100 / inst_int == 1 + assert inst_int // 2 == 50 + assert 1001 // inst_int == 10 + assert inst_int % 3 == 1 + assert 1002 % inst_int == 2 + assert inst_int >= 99 + assert inst_int <= 101 + + # Preps + inst_str = ScaleObj("test") + + # Asserts + assert inst_str + "test1" == "testtest1" + assert "test1" + inst_str == "test1test" + assert inst_str * 2 == "testtest" + assert 2 * inst_str == "testtest" + assert inst_str >= "test" + assert inst_str <= "testtest" + assert inst_str[0] == "t" + assert [i for i in inst_str] == ["t", "e", "s", "t"] + + # Preps + inst_list = ScaleObj([1, 2, 3]) + + # Asserts + assert inst_list[0] == 1 + assert inst_list[-1] == 3 + assert inst_list * 2 == inst_list + inst_list + assert [i for i in inst_list] == [1, 2, 3] + assert inst_list >= [1, 2] + assert inst_list <= [1, 2, 3, 4] + assert len(inst_list) == 3 + + inst_dict = ScaleObj({"a": 1, "b": 2}) + assert inst_dict["a"] == 1 + assert inst_dict["b"] == 2 + assert [i for i in inst_dict] == ["a", "b"] \ No newline at end of file From 78761b56c26d8f2f1be8f7d507c39112845ae3d9 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Fri, 17 Jan 2025 17:01:46 +0200 Subject: [PATCH 21/30] Adding tests --- async_substrate_interface/async_substrate.py | 3 + async_substrate_interface/sync_substrate.py | 18 +- tests/helpers/fixtures.py | 23 + tests/helpers/settings.py | 34 ++ .../asyncio/test_substrate_interface.py | 4 +- tests/unit_tests/sync/test_block.py | 460 ++++++++++++++++++ tests/unit_tests/test_types.py | 2 +- 7 files changed, 528 insertions(+), 16 deletions(-) create mode 100644 tests/helpers/fixtures.py create mode 100644 tests/helpers/settings.py create mode 100644 tests/unit_tests/sync/test_block.py diff --git a/async_substrate_interface/async_substrate.py b/async_substrate_interface/async_substrate.py index 7052be9..6d772bb 100644 --- a/async_substrate_interface/async_substrate.py +++ b/async_substrate_interface/async_substrate.py @@ -648,6 +648,7 @@ def __init__( auto_discover: bool = True, ss58_format: Optional[int] = None, type_registry: Optional[dict] = None, + type_registry_preset: Optional[str] = None, chain_name: str = "", max_retries: int = 5, retry_timeout: float = 60.0, @@ -664,6 +665,7 @@ def __init__( auto_discover: whether to automatically pull the presets based on the chain name and type registry ss58_format: the specific SS58 format to use type_registry: a dict of custom types + type_registry_preset: preset chain_name: the name of the chain (the result of the rpc request for "system_chain") max_retries: number of times to retry RPC requests before giving up retry_timeout: how to long wait since the last ping to retry the RPC request @@ -693,6 +695,7 @@ def __init__( self._forgettable_task = None self.ss58_format = ss58_format self.type_registry = type_registry + self.type_registry_preset = type_registry_preset self.runtime_cache = RuntimeCache() self.runtime_config = RuntimeConfigurationObject( ss58_format=self.ss58_format, implements_scale_info=True diff --git a/async_substrate_interface/sync_substrate.py b/async_substrate_interface/sync_substrate.py index 8d0aac7..c7eccb5 100644 --- a/async_substrate_interface/sync_substrate.py +++ b/async_substrate_interface/sync_substrate.py @@ -456,6 +456,7 @@ def __init__( auto_discover: bool = True, ss58_format: Optional[int] = None, type_registry: Optional[dict] = None, + type_registry_preset: Optional[str] = None, chain_name: str = "", max_retries: int = 5, retry_timeout: float = 60.0, @@ -471,6 +472,7 @@ def __init__( auto_discover: whether to automatically pull the presets based on the chain name and type registry ss58_format: the specific SS58 format to use type_registry: a dict of custom types + type_registry_preset: preset chain_name: the name of the chain (the result of the rpc request for "system_chain") max_retries: number of times to retry RPC requests before giving up retry_timeout: how to long wait since the last ping to retry the RPC request @@ -492,6 +494,7 @@ def __init__( self._forgettable_task = None self.ss58_format = ss58_format self.type_registry = type_registry + self.type_registry_preset = type_registry_preset self.runtime_cache = RuntimeCache() self.runtime_config = RuntimeConfigurationObject( ss58_format=self.ss58_format, implements_scale_info=True @@ -499,6 +502,7 @@ def __init__( self._metadata_cache = {} self.metadata_version_hex = "0x0f000000" # v15 self.reload_type_registry() + self.initialize() def __enter__(self): self.initialize() @@ -552,16 +556,6 @@ def name(self): self._name = self.rpc_request("system_name", []).get("result") return self._name - @property - def ws(self) -> ClientConnection: - return connect( - self.chain_endpoint, - options={ - "max_size": 2**32, - "write_limit": 2**16, - }, - ) - def get_storage_item(self, module: str, storage_function: str): if not self._metadata: self.init_runtime() @@ -1634,11 +1628,11 @@ def _make_rpc_request( _received = {} subscription_added = False - with self.ws as ws: + with connect(self.chain_endpoint, max_size=2**32) as ws: item_id = 0 for payload in payloads: item_id += 1 - ws.send(ujson.dumps(payload["payload"])) + ws.send(ujson.dumps({**payload["payload"], **{"id": item_id}})) request_manager.add_request(item_id, payload["id"]) while True: diff --git a/tests/helpers/fixtures.py b/tests/helpers/fixtures.py new file mode 100644 index 0000000..d255494 --- /dev/null +++ b/tests/helpers/fixtures.py @@ -0,0 +1,23 @@ +# Python Substrate Interface Library +# +# Copyright 2018-2020 Stichting Polkascan (Polkascan Foundation). +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + + +metadata_v10_hex = 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diff --git a/tests/helpers/settings.py b/tests/helpers/settings.py new file mode 100644 index 0000000..ae1d7cb --- /dev/null +++ b/tests/helpers/settings.py @@ -0,0 +1,34 @@ +# Python Substrate Interface Library +# +# Copyright 2018-2020 Stichting Polkascan (Polkascan Foundation). +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +from os import environ + +KUSAMA_NODE_URL = ( + environ.get("SUBSTRATE_NODE_URL_KUSAMA") or "wss://kusama-rpc.polkadot.io/" +) +POLKADOT_NODE_URL = ( + environ.get("SUBSTRATE_NODE_URL_POLKADOT") or "wss://rpc.polkadot.io/" +) +ROCOCO_NODE_URL = ( + environ.get("SUBSTRATE_NODE_URL_ROCOCO") or "wss://rococo-rpc.polkadot.io" +) +MOONBEAM_NODE_URL = ( + environ.get("SUBSTRATE_NODE_URL_ROCOCO") or "wss://wss.api.moonbeam.network" +) + +BABE_NODE_URL = environ.get("SUBSTRATE_BABE_NODE_URL") or POLKADOT_NODE_URL +AURA_NODE_URL = ( + environ.get("SUBSTRATE_AURA_NODE_URL") or "wss://acala-rpc-1.aca-api.network" +) diff --git a/tests/unit_tests/asyncio/test_substrate_interface.py b/tests/unit_tests/asyncio/test_substrate_interface.py index 5a8b445..04914cb 100644 --- a/tests/unit_tests/asyncio/test_substrate_interface.py +++ b/tests/unit_tests/asyncio/test_substrate_interface.py @@ -1,9 +1,7 @@ import pytest from websockets.exceptions import InvalidURI -from async_substrate_interface.async_substrate import ( - AsyncSubstrateInterface -) +from async_substrate_interface.async_substrate import AsyncSubstrateInterface @pytest.mark.asyncio diff --git a/tests/unit_tests/sync/test_block.py b/tests/unit_tests/sync/test_block.py new file mode 100644 index 0000000..b17a80a --- /dev/null +++ b/tests/unit_tests/sync/test_block.py @@ -0,0 +1,460 @@ +# Python Substrate Interface Library +# +# Copyright 2018-2021 Stichting Polkascan (Polkascan Foundation). +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import unittest +from unittest.mock import MagicMock + +from tests.helpers import settings +from tests.helpers.fixtures import metadata_node_template_hex + +from scalecodec.exceptions import RemainingScaleBytesNotEmptyException + +from async_substrate_interface.sync_substrate import SubstrateInterface + +from scalecodec.base import ScaleBytes +from scalecodec.types import Vec, GenericAddress + + +class BlockTestCase(unittest.TestCase): + @classmethod + def setUpClass(cls): + cls.substrate = SubstrateInterface( + url="dummy", + ss58_format=42, + type_registry_preset="substrate-node-template", + _mock=True, + ) + metadata_decoder = cls.substrate.runtime_config.create_scale_object( + "MetadataVersioned", ScaleBytes(metadata_node_template_hex) + ) + metadata_decoder.decode() + cls.substrate.get_block_metadata = MagicMock(return_value=metadata_decoder) + + def mocked_query(module, storage_function, block_hash): + if module == "Session" and storage_function == "Validators": + if ( + block_hash + == "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93" + ): + vec = Vec() + author = GenericAddress() + author.value = "5GNJqTPyNqANBkUVMN1LPPrxXnFouWXoe2wNSmmEoLctxiZY" + vec.elements = [author] + return vec + + raise ValueError( + f"Unsupported mocked query {module}.{storage_function} @ {block_hash}" + ) + + def mocked_request(method, params, result_handler=None): + if method in [ + "chain_getBlockHash", + "chain_getHead", + "chain_getFinalisedHead", + "chain_getFinalizedHead", + ]: + return { + "jsonrpc": "2.0", + "result": "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", + "id": 1, + } + elif method in ["chain_getRuntimeVersion", "state_getRuntimeVersion"]: + return { + "jsonrpc": "2.0", + "result": {"specVersion": 100, "transactionVersion": 1}, + "id": 1, + } + elif method == "chain_getHeader": + return { + "jsonrpc": "2.0", + "result": { + "digest": { + "logs": [ + "0x066175726120afe0021000000000", + "0x05617572610101567be3d55b4885ce3ac6a7b46b28adf138299acc3eb5f11ffa15c3ed0551f22b7220ec676ea947cd6c8daa6fcfa351b11e62651e6e06f5dde59bb566d36e6989", + ] + }, + "extrinsicsRoot": "0xeaa9cd48b36a88ba7cf934cdbcd8f2afc0843978912452529ace7ef2da09691d", + "number": "0x67", + "parentHash": "0xf33015565b9978d146cdf648c498649b04c323cd35d9f55fad7d8586d4b42ea2", + "stateRoot": "0xa8b0c74dbf09ee9ff5443076f8298027e3a6505ab6e3f6a683a7d4d137130683", + }, + "id": 1, + } + elif method == "chain_getBlock": + # Correct + if ( + params[0] + == "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93" + ): + return { + "jsonrpc": "2.0", + "result": { + "block": { + "extrinsics": [ + "0x280402000b940572437701", + "0x45028400be5ddb1579b72e84524fc29e78609e3caf42e85aa118ebfe0b0ad404b5bdd25f011233c8f6642150e92ac029fd4fae2435f524f9ec72794a565e68b9b97c6ce363af37cb1ba27b5b17b23b31ce9573f6be2312d5219d93e50dde0ff6b47c2fca84950100000500008eaf04151687736326c9fea17e25fc5287613693c912909cb226aa4794f26a480b00204aa9d101", + ], + "header": { + "digest": { + "logs": [ + "0x06424142453402000000007c4e1f2000000000", + "0x054241424501014630c672ca0561bb045d30cba349f9768560bd66cb40ca1c88fcf345f0d8d63b31d179c2cede66d584cf199a457ba436e9f621bfe0b89bf998069b3ed3d2548e", + ] + }, + "extrinsicsRoot": "0xeaa9cd48b36a88ba7cf934cdbcd8f2afc0843978912452529ace7ef2da09691d", + "number": "0x67", + "parentHash": "0xf33015565b9978d146cdf648c498649b04c323cd35d9f55fad7d8586d4b42ea2", + "stateRoot": "0xa8b0c74dbf09ee9ff5443076f8298027e3a6505ab6e3f6a683a7d4d137130683", + }, + }, + "justification": None, + }, + "id": 1, + } + # Raises decoding errors + elif ( + params[0] + == "0x40b98c29466fa76eeee21008b50d5cb5d7220712ead554eb97a5fd6ba4bc31b5" + ): + return { + "jsonrpc": "2.0", + "result": { + "block": { + "extrinsics": [ + "0x240402000b9405724377", + "0x280402100b940572437701", + "0x280402000b940572437701", + "0x280402000c940572437701", + ], + "header": { + "digest": { + "logs": [ + "0x066175726120afe0021000000000", + "0x05617572610101567be3d55b4885ce3ac6a7b46b28adf138299acc3eb5f11ffa15c3ed0551f22b7220ec676ea947cd6c8daa6fcfa351b11e62651e6e06f5dde59bb566d36e6989", + ] + }, + "extrinsicsRoot": "0xeaa9cd48b36a88ba7cf934cdbcd8f2afc0843978912452529ace7ef2da09691d", + "number": "0x67", + "parentHash": "0xf33015565b9978d146cdf648c498649b04c323cd35d9f55fad7d8586d4b42ea2", + "stateRoot": "0xa8b0c74dbf09ee9ff5443076f8298027e3a6505ab6e3f6a683a7d4d137130683", + }, + }, + "justification": None, + }, + "id": 1, + } + elif method == "state_getStorageAt": + return { + "jsonrpc": "2.0", + "result": "0x04be5ddb1579b72e84524fc29e78609e3caf42e85aa118ebfe0b0ad404b5bdd25f", + "id": 11, + } + elif method == "chain_subscribeNewHeads": + return result_handler( + { + "jsonrpc": "2.0", + "params": { + "result": { + "digest": { + "logs": [ + "0x066175726120afe0021000000000", + "0x05617572610101567be3d55b4885ce3ac6a7b46b28adf138299acc3eb5f11ffa15c3ed0551f22b7220ec676ea947cd6c8daa6fcfa351b11e62651e6e06f5dde59bb566d36e6989", + ] + }, + "extrinsicsRoot": "0xeaa9cd48b36a88ba7cf934cdbcd8f2afc0843978912452529ace7ef2da09691d", + "number": "0x67", + "parentHash": "0xf33015565b9978d146cdf648c498649b04c323cd35d9f55fad7d8586d4b42ea2", + "stateRoot": "0xa8b0c74dbf09ee9ff5443076f8298027e3a6505ab6e3f6a683a7d4d137130683", + }, + "subscription": "test1", + }, + }, + 0, + "test1", + ) + elif method == "chain_unsubscribeNewHeads": + return {"jsonrpc": "2.0", "result": True} + elif method == "rpc_methods": + return { + "jsonrpc": "2.0", + "result": { + "methods": [ + "account_nextIndex", + "author_hasKey", + "author_hasSessionKeys", + "author_insertKey", + "author_pendingExtrinsics", + "author_removeExtrinsic", + "author_rotateKeys", + "author_submitAndWatchExtrinsic", + "author_submitExtrinsic", + "author_unwatchExtrinsic", + "babe_epochAuthorship", + "chainHead_unstable_body", + "chainHead_unstable_call", + "chainHead_unstable_follow", + "chainHead_unstable_genesisHash", + "chainHead_unstable_header", + "chainHead_unstable_stopBody", + "chainHead_unstable_stopCall", + "chainHead_unstable_stopStorage", + "chainHead_unstable_storage", + "chainHead_unstable_unfollow", + "chainHead_unstable_unpin", + "chainSpec_unstable_chainName", + "chainSpec_unstable_genesisHash", + "chainSpec_unstable_properties", + "chain_getBlock", + "chain_getBlockHash", + "chain_getFinalisedHead", + "chain_getFinalizedHead", + "chain_getHead", + "chain_getHeader", + "chain_getRuntimeVersion", + "chain_subscribeAllHeads", + "chain_subscribeFinalisedHeads", + "chain_subscribeFinalizedHeads", + "chain_subscribeNewHead", + "chain_subscribeNewHeads", + "chain_subscribeRuntimeVersion", + "chain_unsubscribeAllHeads", + "chain_unsubscribeFinalisedHeads", + "chain_unsubscribeFinalizedHeads", + "chain_unsubscribeNewHead", + "chain_unsubscribeNewHeads", + "chain_unsubscribeRuntimeVersion", + "childstate_getKeys", + "childstate_getKeysPaged", + "childstate_getKeysPagedAt", + "childstate_getStorage", + "childstate_getStorageEntries", + "childstate_getStorageHash", + "childstate_getStorageSize", + "dev_getBlockStats", + "grandpa_proveFinality", + "grandpa_roundState", + "grandpa_subscribeJustifications", + "grandpa_unsubscribeJustifications", + "mmr_generateProof", + "mmr_root", + "mmr_verifyProof", + "mmr_verifyProofStateless", + "offchain_localStorageGet", + "offchain_localStorageSet", + "payment_queryFeeDetails", + "payment_queryInfo", + "state_call", + "state_callAt", + "state_getChildReadProof", + "state_getKeys", + "state_getKeysPaged", + "state_getKeysPagedAt", + "state_getMetadata", + "state_getPairs", + "state_getReadProof", + "state_getRuntimeVersion", + "state_getStorage", + "state_getStorageAt", + "state_getStorageHash", + "state_getStorageHashAt", + "state_getStorageSize", + "state_getStorageSizeAt", + "state_queryStorage", + "state_queryStorageAt", + "state_subscribeRuntimeVersion", + "state_subscribeStorage", + "state_traceBlock", + "state_trieMigrationStatus", + "state_unsubscribeRuntimeVersion", + "state_unsubscribeStorage", + "subscribe_newHead", + "sync_state_genSyncSpec", + "system_accountNextIndex", + "system_addLogFilter", + "system_addReservedPeer", + "system_chain", + "system_chainType", + "system_dryRun", + "system_dryRunAt", + "system_health", + "system_localListenAddresses", + "system_localPeerId", + "system_name", + "system_nodeRoles", + "system_peers", + "system_properties", + "system_removeReservedPeer", + "system_reservedPeers", + "system_resetLogFilter", + "system_syncState", + "system_unstable_networkState", + "system_version", + "transaction_unstable_submitAndWatch", + "transaction_unstable_unwatch", + "unsubscribe_newHead", + ] + }, + "id": 1, + } + + raise ValueError(f"Unsupported mocked method {method}") + + cls.substrate.rpc_request = MagicMock(side_effect=mocked_request) + cls.substrate.query = MagicMock(side_effect=mocked_query) + + cls.babe_substrate = SubstrateInterface(url=settings.BABE_NODE_URL) + + cls.aura_substrate = SubstrateInterface(url=settings.AURA_NODE_URL) + + def test_get_valid_extrinsics(self): + block = self.substrate.get_block( + block_hash="0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93" + ) + extrinsics = block["extrinsics"] + + self.assertEqual(extrinsics[0]["call"]["call_module"].name, "Timestamp") + self.assertEqual(extrinsics[0]["call"]["call_function"].name, "set") + self.assertEqual(extrinsics[0]["call"]["call_args"]["now"], 1611744282004) + + def test_get_by_block_number(self): + block = self.substrate.get_block(block_number=100) + extrinsics = block["extrinsics"] + + self.assertEqual(extrinsics[0]["call"]["call_module"].name, "Timestamp") + self.assertEqual(extrinsics[0]["call"]["call_function"].name, "set") + self.assertEqual(extrinsics[0]["call"]["call_args"]["now"], 1611744282004) + + def test_get_block_by_head(self): + block = self.substrate.get_block() + self.assertEqual( + "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", + block["header"]["hash"], + ) + + def test_get_block_by_finalized_head(self): + block = self.substrate.get_block(finalized_only=True) + self.assertEqual( + "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", + block["header"]["hash"], + ) + + def test_get_block_header(self): + block = self.substrate.get_block_header(block_number=100) + self.assertNotIn("extrinsics", block) + + def test_get_block_header_by_head(self): + block = self.substrate.get_block_header() + self.assertEqual( + "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", + block["header"]["hash"], + ) + + def test_get_block_header_by_finalized_head(self): + block = self.substrate.get_block_header(finalized_only=True) + self.assertEqual( + "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", + block["header"]["hash"], + ) + + def test_get_extrinsics_decoding_error(self): + with self.assertRaises(RemainingScaleBytesNotEmptyException): + self.substrate.get_block( + block_hash="0x40b98c29466fa76eeee21008b50d5cb5d7220712ead554eb97a5fd6ba4bc31b5" + ) + + def test_get_extrinsics_ignore_decoding_error(self): + block = self.substrate.get_block( + block_hash="0x40b98c29466fa76eeee21008b50d5cb5d7220712ead554eb97a5fd6ba4bc31b5", + ignore_decoding_errors=True, + ) + + extrinsics = block["extrinsics"] + + self.assertEqual(extrinsics[0], None) + self.assertEqual(extrinsics[1], None) + self.assertEqual( + extrinsics[2].value["call"]["call_args"][0]["value"], 1611744282004 + ) + self.assertEqual(extrinsics[3], None) + + def test_include_author(self): + block = self.substrate.get_block( + block_hash="0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", + include_author=False, + ) + + self.assertNotIn("author", block) + + block = self.substrate.get_block( + block_hash="0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", + include_author=True, + ) + + self.assertIn("author", block) + self.assertEqual( + "5GNJqTPyNqANBkUVMN1LPPrxXnFouWXoe2wNSmmEoLctxiZY", block["author"] + ) + + def test_subscribe_block_headers(self): + def subscription_handler(obj, update_nr, subscription_id): + return f"callback: {obj['header']['number']}" + + result = self.substrate.subscribe_block_headers(subscription_handler) + + self.assertEqual(f"callback: 103", result) + + def test_check_requirements(self): + self.assertRaises( + ValueError, + self.substrate.get_block, + block_hash="0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", + block_number=223, + ) + self.assertRaises( + ValueError, + self.substrate.get_block, + block_hash="0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", + finalized_only=True, + ) + self.assertRaises( + ValueError, + self.substrate.get_block_header, + block_hash="0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", + block_number=223, + ) + self.assertRaises( + ValueError, + self.substrate.get_block_header, + block_hash="0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", + finalized_only=True, + ) + + def test_block_author_babe(self): + block = self.babe_substrate.get_block(include_author=True) + + self.assertIn("author", block) + self.assertIsNotNone(block["author"]) + + def test_block_author_aura(self): + block = self.aura_substrate.get_block(include_author=True) + + self.assertIn("author", block) + self.assertIsNotNone(block["author"]) + + +if __name__ == "__main__": + unittest.main() diff --git a/tests/unit_tests/test_types.py b/tests/unit_tests/test_types.py index 70eaa2e..cba7b57 100644 --- a/tests/unit_tests/test_types.py +++ b/tests/unit_tests/test_types.py @@ -50,4 +50,4 @@ def test_scale_object(): inst_dict = ScaleObj({"a": 1, "b": 2}) assert inst_dict["a"] == 1 assert inst_dict["b"] == 2 - assert [i for i in inst_dict] == ["a", "b"] \ No newline at end of file + assert [i for i in inst_dict] == ["a", "b"] From 1a093aa951c866e32f3427f82983a837f2901612 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Fri, 17 Jan 2025 17:46:14 +0200 Subject: [PATCH 22/30] Test progress --- async_substrate_interface/async_substrate.py | 6 +- async_substrate_interface/sync_substrate.py | 14 +- tests/unit_tests/sync/test_block.py | 471 ++++++++++--------- 3 files changed, 252 insertions(+), 239 deletions(-) diff --git a/async_substrate_interface/async_substrate.py b/async_substrate_interface/async_substrate.py index 6d772bb..e554ea8 100644 --- a/async_substrate_interface/async_substrate.py +++ b/async_substrate_interface/async_substrate.py @@ -1336,7 +1336,7 @@ async def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: ] block_author = validator_set[rank_validator] - block_data["author"] = block_author.value + block_data["author"] = block_author elif engine == b"aura": aura_predigest = ( @@ -1355,7 +1355,7 @@ async def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: ] % len(validator_set) block_author = validator_set[rank_validator] - block_data["author"] = block_author.value + block_data["author"] = block_author else: raise NotImplementedError( f"Cannot extract author for engine {log_digest.value['PreRuntime'][0]}" @@ -1377,7 +1377,7 @@ async def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: block_author = validator_set.elements[ rank_validator ] - block_data["author"] = block_author.value + block_data["author"] = block_author else: raise NotImplementedError( f"Cannot extract author for engine" diff --git a/async_substrate_interface/sync_substrate.py b/async_substrate_interface/sync_substrate.py index c7eccb5..a897343 100644 --- a/async_substrate_interface/sync_substrate.py +++ b/async_substrate_interface/sync_substrate.py @@ -9,7 +9,7 @@ from scalecodec import GenericExtrinsic, GenericCall, GenericRuntimeCallDefinition from scalecodec.base import RuntimeConfigurationObject, ScaleBytes, ScaleType import ujson -from websockets.sync.client import connect, ClientConnection +from websockets.sync.client import connect from async_substrate_interface.errors import ( ExtrinsicNotFound, @@ -502,7 +502,8 @@ def __init__( self._metadata_cache = {} self.metadata_version_hex = "0x0f000000" # v15 self.reload_type_registry() - self.initialize() + if not _mock: + self.initialize() def __enter__(self): self.initialize() @@ -1090,7 +1091,7 @@ def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: ] block_author = validator_set[rank_validator] - block_data["author"] = block_author.value + block_data["author"] = block_author elif engine == b"aura": aura_predigest = ( @@ -1109,7 +1110,7 @@ def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: ] % len(validator_set) block_author = validator_set[rank_validator] - block_data["author"] = block_author.value + block_data["author"] = block_author else: raise NotImplementedError( f"Cannot extract author for engine {log_digest.value['PreRuntime'][0]}" @@ -1131,7 +1132,7 @@ def decode_block(block_data, block_data_hash=None) -> dict[str, Any]: block_author = validator_set.elements[ rank_validator ] - block_data["author"] = block_author.value + block_data["author"] = block_author else: raise NotImplementedError( f"Cannot extract author for engine" @@ -1775,6 +1776,7 @@ def get_chain_head(self) -> str: ) ] ) + print(1779, result) self.last_block_hash = result["rpc_request"][0]["result"] return result["rpc_request"][0]["result"] @@ -2548,7 +2550,9 @@ def query( result_handler=subscription_handler, ) result = responses[preprocessed.queryable][0] + print(2552, type(result)) if isinstance(result, (list, tuple, int, float)): + print("returning ScaleObj") return ScaleObj(result) return result diff --git a/tests/unit_tests/sync/test_block.py b/tests/unit_tests/sync/test_block.py index b17a80a..62a363e 100644 --- a/tests/unit_tests/sync/test_block.py +++ b/tests/unit_tests/sync/test_block.py @@ -59,88 +59,125 @@ def mocked_query(module, storage_function, block_hash): f"Unsupported mocked query {module}.{storage_function} @ {block_hash}" ) - def mocked_request(method, params, result_handler=None): - if method in [ - "chain_getBlockHash", - "chain_getHead", - "chain_getFinalisedHead", - "chain_getFinalizedHead", - ]: - return { - "jsonrpc": "2.0", - "result": "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", - "id": 1, - } - elif method in ["chain_getRuntimeVersion", "state_getRuntimeVersion"]: - return { - "jsonrpc": "2.0", - "result": {"specVersion": 100, "transactionVersion": 1}, - "id": 1, - } - elif method == "chain_getHeader": - return { - "jsonrpc": "2.0", - "result": { - "digest": { - "logs": [ - "0x066175726120afe0021000000000", - "0x05617572610101567be3d55b4885ce3ac6a7b46b28adf138299acc3eb5f11ffa15c3ed0551f22b7220ec676ea947cd6c8daa6fcfa351b11e62651e6e06f5dde59bb566d36e6989", - ] - }, - "extrinsicsRoot": "0xeaa9cd48b36a88ba7cf934cdbcd8f2afc0843978912452529ace7ef2da09691d", - "number": "0x67", - "parentHash": "0xf33015565b9978d146cdf648c498649b04c323cd35d9f55fad7d8586d4b42ea2", - "stateRoot": "0xa8b0c74dbf09ee9ff5443076f8298027e3a6505ab6e3f6a683a7d4d137130683", - }, - "id": 1, - } - elif method == "chain_getBlock": - # Correct - if ( - params[0] - == "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93" - ): + def mocked_make_rpc_request( + payloads: list[dict], + value_scale_type=None, + storage_item=None, + result_handler=None, + attempt=1, + ): + for payload in payloads: + method = payload["payload"]["method"] + params = payload["payload"]["params"] + if method in [ + "chain_getBlockHash", + "chain_getHead", + "chain_getFinalisedHead", + "chain_getFinalizedHead", + ]: + return { + "jsonrpc": "2.0", + "result": "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", + "id": 1, + } + elif method in ["chain_getRuntimeVersion", "state_getRuntimeVersion"]: + return { + "jsonrpc": "2.0", + "result": {"specVersion": 100, "transactionVersion": 1}, + "id": 1, + } + elif method == "chain_getHeader": return { "jsonrpc": "2.0", "result": { - "block": { - "extrinsics": [ - "0x280402000b940572437701", - "0x45028400be5ddb1579b72e84524fc29e78609e3caf42e85aa118ebfe0b0ad404b5bdd25f011233c8f6642150e92ac029fd4fae2435f524f9ec72794a565e68b9b97c6ce363af37cb1ba27b5b17b23b31ce9573f6be2312d5219d93e50dde0ff6b47c2fca84950100000500008eaf04151687736326c9fea17e25fc5287613693c912909cb226aa4794f26a480b00204aa9d101", - ], - "header": { - "digest": { - "logs": [ - "0x06424142453402000000007c4e1f2000000000", - "0x054241424501014630c672ca0561bb045d30cba349f9768560bd66cb40ca1c88fcf345f0d8d63b31d179c2cede66d584cf199a457ba436e9f621bfe0b89bf998069b3ed3d2548e", - ] - }, - "extrinsicsRoot": "0xeaa9cd48b36a88ba7cf934cdbcd8f2afc0843978912452529ace7ef2da09691d", - "number": "0x67", - "parentHash": "0xf33015565b9978d146cdf648c498649b04c323cd35d9f55fad7d8586d4b42ea2", - "stateRoot": "0xa8b0c74dbf09ee9ff5443076f8298027e3a6505ab6e3f6a683a7d4d137130683", - }, + "digest": { + "logs": [ + "0x066175726120afe0021000000000", + "0x05617572610101567be3d55b4885ce3ac6a7b46b28adf138299acc3eb5f11ffa15c3ed0551f22b7220ec676ea947cd6c8daa6fcfa351b11e62651e6e06f5dde59bb566d36e6989", + ] }, - "justification": None, + "extrinsicsRoot": "0xeaa9cd48b36a88ba7cf934cdbcd8f2afc0843978912452529ace7ef2da09691d", + "number": "0x67", + "parentHash": "0xf33015565b9978d146cdf648c498649b04c323cd35d9f55fad7d8586d4b42ea2", + "stateRoot": "0xa8b0c74dbf09ee9ff5443076f8298027e3a6505ab6e3f6a683a7d4d137130683", }, "id": 1, } - # Raises decoding errors - elif ( - params[0] - == "0x40b98c29466fa76eeee21008b50d5cb5d7220712ead554eb97a5fd6ba4bc31b5" - ): + elif method == "chain_getBlock": + # Correct + if ( + params[0] + == "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93" + ): + return { + "jsonrpc": "2.0", + "result": { + "block": { + "extrinsics": [ + "0x280402000b940572437701", + "0x45028400be5ddb1579b72e84524fc29e78609e3caf42e85aa118ebfe0b0ad404b5bdd25f011233c8f6642150e92ac029fd4fae2435f524f9ec72794a565e68b9b97c6ce363af37cb1ba27b5b17b23b31ce9573f6be2312d5219d93e50dde0ff6b47c2fca84950100000500008eaf04151687736326c9fea17e25fc5287613693c912909cb226aa4794f26a480b00204aa9d101", + ], + "header": { + "digest": { + "logs": [ + "0x06424142453402000000007c4e1f2000000000", + "0x054241424501014630c672ca0561bb045d30cba349f9768560bd66cb40ca1c88fcf345f0d8d63b31d179c2cede66d584cf199a457ba436e9f621bfe0b89bf998069b3ed3d2548e", + ] + }, + "extrinsicsRoot": "0xeaa9cd48b36a88ba7cf934cdbcd8f2afc0843978912452529ace7ef2da09691d", + "number": "0x67", + "parentHash": "0xf33015565b9978d146cdf648c498649b04c323cd35d9f55fad7d8586d4b42ea2", + "stateRoot": "0xa8b0c74dbf09ee9ff5443076f8298027e3a6505ab6e3f6a683a7d4d137130683", + }, + }, + "justification": None, + }, + "id": 1, + } + # Raises decoding errors + elif ( + params[0] + == "0x40b98c29466fa76eeee21008b50d5cb5d7220712ead554eb97a5fd6ba4bc31b5" + ): + return { + "jsonrpc": "2.0", + "result": { + "block": { + "extrinsics": [ + "0x240402000b9405724377", + "0x280402100b940572437701", + "0x280402000b940572437701", + "0x280402000c940572437701", + ], + "header": { + "digest": { + "logs": [ + "0x066175726120afe0021000000000", + "0x05617572610101567be3d55b4885ce3ac6a7b46b28adf138299acc3eb5f11ffa15c3ed0551f22b7220ec676ea947cd6c8daa6fcfa351b11e62651e6e06f5dde59bb566d36e6989", + ] + }, + "extrinsicsRoot": "0xeaa9cd48b36a88ba7cf934cdbcd8f2afc0843978912452529ace7ef2da09691d", + "number": "0x67", + "parentHash": "0xf33015565b9978d146cdf648c498649b04c323cd35d9f55fad7d8586d4b42ea2", + "stateRoot": "0xa8b0c74dbf09ee9ff5443076f8298027e3a6505ab6e3f6a683a7d4d137130683", + }, + }, + "justification": None, + }, + "id": 1, + } + elif method == "state_getStorageAt": return { "jsonrpc": "2.0", - "result": { - "block": { - "extrinsics": [ - "0x240402000b9405724377", - "0x280402100b940572437701", - "0x280402000b940572437701", - "0x280402000c940572437701", - ], - "header": { + "result": "0x04be5ddb1579b72e84524fc29e78609e3caf42e85aa118ebfe0b0ad404b5bdd25f", + "id": 11, + } + elif method == "chain_subscribeNewHeads": + return result_handler( + { + "jsonrpc": "2.0", + "params": { + "result": { "digest": { "logs": [ "0x066175726120afe0021000000000", @@ -152,168 +189,140 @@ def mocked_request(method, params, result_handler=None): "parentHash": "0xf33015565b9978d146cdf648c498649b04c323cd35d9f55fad7d8586d4b42ea2", "stateRoot": "0xa8b0c74dbf09ee9ff5443076f8298027e3a6505ab6e3f6a683a7d4d137130683", }, + "subscription": "test1", }, - "justification": None, }, - "id": 1, - } - elif method == "state_getStorageAt": - return { - "jsonrpc": "2.0", - "result": "0x04be5ddb1579b72e84524fc29e78609e3caf42e85aa118ebfe0b0ad404b5bdd25f", - "id": 11, - } - elif method == "chain_subscribeNewHeads": - return result_handler( - { + 0, + "test1", + ) + elif method == "chain_unsubscribeNewHeads": + return {"jsonrpc": "2.0", "result": True} + elif method == "rpc_methods": + return { "jsonrpc": "2.0", - "params": { - "result": { - "digest": { - "logs": [ - "0x066175726120afe0021000000000", - "0x05617572610101567be3d55b4885ce3ac6a7b46b28adf138299acc3eb5f11ffa15c3ed0551f22b7220ec676ea947cd6c8daa6fcfa351b11e62651e6e06f5dde59bb566d36e6989", - ] - }, - "extrinsicsRoot": "0xeaa9cd48b36a88ba7cf934cdbcd8f2afc0843978912452529ace7ef2da09691d", - "number": "0x67", - "parentHash": "0xf33015565b9978d146cdf648c498649b04c323cd35d9f55fad7d8586d4b42ea2", - "stateRoot": "0xa8b0c74dbf09ee9ff5443076f8298027e3a6505ab6e3f6a683a7d4d137130683", - }, - "subscription": "test1", + "result": { + "methods": [ + "account_nextIndex", + "author_hasKey", + "author_hasSessionKeys", + "author_insertKey", + "author_pendingExtrinsics", + "author_removeExtrinsic", + "author_rotateKeys", + "author_submitAndWatchExtrinsic", + "author_submitExtrinsic", + "author_unwatchExtrinsic", + "babe_epochAuthorship", + "chainHead_unstable_body", + "chainHead_unstable_call", + "chainHead_unstable_follow", + "chainHead_unstable_genesisHash", + "chainHead_unstable_header", + "chainHead_unstable_stopBody", + "chainHead_unstable_stopCall", + "chainHead_unstable_stopStorage", + "chainHead_unstable_storage", + "chainHead_unstable_unfollow", + "chainHead_unstable_unpin", + "chainSpec_unstable_chainName", + "chainSpec_unstable_genesisHash", + "chainSpec_unstable_properties", + "chain_getBlock", + "chain_getBlockHash", + "chain_getFinalisedHead", + "chain_getFinalizedHead", + "chain_getHead", + "chain_getHeader", + "chain_getRuntimeVersion", + "chain_subscribeAllHeads", + "chain_subscribeFinalisedHeads", + "chain_subscribeFinalizedHeads", + "chain_subscribeNewHead", + "chain_subscribeNewHeads", + "chain_subscribeRuntimeVersion", + "chain_unsubscribeAllHeads", + "chain_unsubscribeFinalisedHeads", + "chain_unsubscribeFinalizedHeads", + "chain_unsubscribeNewHead", + "chain_unsubscribeNewHeads", + "chain_unsubscribeRuntimeVersion", + "childstate_getKeys", + "childstate_getKeysPaged", + "childstate_getKeysPagedAt", + "childstate_getStorage", + "childstate_getStorageEntries", + "childstate_getStorageHash", + "childstate_getStorageSize", + "dev_getBlockStats", + "grandpa_proveFinality", + "grandpa_roundState", + "grandpa_subscribeJustifications", + "grandpa_unsubscribeJustifications", + "mmr_generateProof", + "mmr_root", + "mmr_verifyProof", + "mmr_verifyProofStateless", + "offchain_localStorageGet", + "offchain_localStorageSet", + "payment_queryFeeDetails", + "payment_queryInfo", + "state_call", + "state_callAt", + "state_getChildReadProof", + "state_getKeys", + "state_getKeysPaged", + "state_getKeysPagedAt", + "state_getMetadata", + "state_getPairs", + "state_getReadProof", + "state_getRuntimeVersion", + "state_getStorage", + "state_getStorageAt", + "state_getStorageHash", + "state_getStorageHashAt", + "state_getStorageSize", + "state_getStorageSizeAt", + "state_queryStorage", + "state_queryStorageAt", + "state_subscribeRuntimeVersion", + "state_subscribeStorage", + "state_traceBlock", + "state_trieMigrationStatus", + "state_unsubscribeRuntimeVersion", + "state_unsubscribeStorage", + "subscribe_newHead", + "sync_state_genSyncSpec", + "system_accountNextIndex", + "system_addLogFilter", + "system_addReservedPeer", + "system_chain", + "system_chainType", + "system_dryRun", + "system_dryRunAt", + "system_health", + "system_localListenAddresses", + "system_localPeerId", + "system_name", + "system_nodeRoles", + "system_peers", + "system_properties", + "system_removeReservedPeer", + "system_reservedPeers", + "system_resetLogFilter", + "system_syncState", + "system_unstable_networkState", + "system_version", + "transaction_unstable_submitAndWatch", + "transaction_unstable_unwatch", + "unsubscribe_newHead", + ] }, - }, - 0, - "test1", - ) - elif method == "chain_unsubscribeNewHeads": - return {"jsonrpc": "2.0", "result": True} - elif method == "rpc_methods": - return { - "jsonrpc": "2.0", - "result": { - "methods": [ - "account_nextIndex", - "author_hasKey", - "author_hasSessionKeys", - "author_insertKey", - "author_pendingExtrinsics", - "author_removeExtrinsic", - "author_rotateKeys", - "author_submitAndWatchExtrinsic", - "author_submitExtrinsic", - "author_unwatchExtrinsic", - "babe_epochAuthorship", - "chainHead_unstable_body", - "chainHead_unstable_call", - "chainHead_unstable_follow", - "chainHead_unstable_genesisHash", - "chainHead_unstable_header", - "chainHead_unstable_stopBody", - "chainHead_unstable_stopCall", - "chainHead_unstable_stopStorage", - "chainHead_unstable_storage", - "chainHead_unstable_unfollow", - "chainHead_unstable_unpin", - "chainSpec_unstable_chainName", - "chainSpec_unstable_genesisHash", - "chainSpec_unstable_properties", - "chain_getBlock", - "chain_getBlockHash", - "chain_getFinalisedHead", - "chain_getFinalizedHead", - "chain_getHead", - "chain_getHeader", - "chain_getRuntimeVersion", - "chain_subscribeAllHeads", - "chain_subscribeFinalisedHeads", - "chain_subscribeFinalizedHeads", - "chain_subscribeNewHead", - "chain_subscribeNewHeads", - "chain_subscribeRuntimeVersion", - "chain_unsubscribeAllHeads", - "chain_unsubscribeFinalisedHeads", - "chain_unsubscribeFinalizedHeads", - "chain_unsubscribeNewHead", - "chain_unsubscribeNewHeads", - "chain_unsubscribeRuntimeVersion", - "childstate_getKeys", - "childstate_getKeysPaged", - "childstate_getKeysPagedAt", - "childstate_getStorage", - "childstate_getStorageEntries", - "childstate_getStorageHash", - "childstate_getStorageSize", - "dev_getBlockStats", - "grandpa_proveFinality", - "grandpa_roundState", - "grandpa_subscribeJustifications", - "grandpa_unsubscribeJustifications", - "mmr_generateProof", - "mmr_root", - "mmr_verifyProof", - "mmr_verifyProofStateless", - "offchain_localStorageGet", - "offchain_localStorageSet", - "payment_queryFeeDetails", - "payment_queryInfo", - "state_call", - "state_callAt", - "state_getChildReadProof", - "state_getKeys", - "state_getKeysPaged", - "state_getKeysPagedAt", - "state_getMetadata", - "state_getPairs", - "state_getReadProof", - "state_getRuntimeVersion", - "state_getStorage", - "state_getStorageAt", - "state_getStorageHash", - "state_getStorageHashAt", - "state_getStorageSize", - "state_getStorageSizeAt", - "state_queryStorage", - "state_queryStorageAt", - "state_subscribeRuntimeVersion", - "state_subscribeStorage", - "state_traceBlock", - "state_trieMigrationStatus", - "state_unsubscribeRuntimeVersion", - "state_unsubscribeStorage", - "subscribe_newHead", - "sync_state_genSyncSpec", - "system_accountNextIndex", - "system_addLogFilter", - "system_addReservedPeer", - "system_chain", - "system_chainType", - "system_dryRun", - "system_dryRunAt", - "system_health", - "system_localListenAddresses", - "system_localPeerId", - "system_name", - "system_nodeRoles", - "system_peers", - "system_properties", - "system_removeReservedPeer", - "system_reservedPeers", - "system_resetLogFilter", - "system_syncState", - "system_unstable_networkState", - "system_version", - "transaction_unstable_submitAndWatch", - "transaction_unstable_unwatch", - "unsubscribe_newHead", - ] - }, - "id": 1, - } - - raise ValueError(f"Unsupported mocked method {method}") - - cls.substrate.rpc_request = MagicMock(side_effect=mocked_request) + "id": 1, + } + + raise ValueError(f"Unsupported mocked method {method}") + + cls.substrate._make_rpc_request = MagicMock(side_effect=mocked_make_rpc_request) cls.substrate.query = MagicMock(side_effect=mocked_query) cls.babe_substrate = SubstrateInterface(url=settings.BABE_NODE_URL) From d512122325f59f570c38af3b72864b18a8bbfe59 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Tue, 21 Jan 2025 23:56:13 +0200 Subject: [PATCH 23/30] Backwards compatibility. --- async_substrate_interface/async_substrate.py | 8 +++++--- async_substrate_interface/sync_substrate.py | 15 +++++++++------ 2 files changed, 14 insertions(+), 9 deletions(-) diff --git a/async_substrate_interface/async_substrate.py b/async_substrate_interface/async_substrate.py index e554ea8..9992f7a 100644 --- a/async_substrate_interface/async_substrate.py +++ b/async_substrate_interface/async_substrate.py @@ -1971,16 +1971,18 @@ async def rpc_request( self, method: str, params: Optional[list], + result_handler: Optional[ResultHandler] = None, block_hash: Optional[str] = None, reuse_block_hash: bool = False, ) -> Any: """ - Makes an RPC request to the subtensor. Use this only if `self.query`` and `self.query_multiple` and + Makes an RPC request to the subtensor. Use this only if `self.query` and `self.query_multiple` and `self.query_map` do not meet your needs. Args: method: str the method in the RPC request params: list of the params in the RPC request + result_handler: ResultHandler block_hash: the hash of the block — only supply this if not supplying the block hash in the params, and not reusing the block hash reuse_block_hash: whether to reuse the block hash in the params — only mark as True @@ -1999,7 +2001,7 @@ async def rpc_request( params + [block_hash] if block_hash else params, ) ] - result = await self._make_rpc_request(payloads) + result = await self._make_rpc_request(payloads, result_handler=result_handler) if "error" in result[payload_id][0]: if ( "Failed to get runtime version" @@ -2010,7 +2012,7 @@ async def rpc_request( ) await self.init_runtime() return await self.rpc_request( - method, params, block_hash, reuse_block_hash + method, params, result_handler, block_hash, reuse_block_hash ) raise SubstrateRequestException(result[payload_id][0]["error"]["message"]) if "result" in result[payload_id][0]: diff --git a/async_substrate_interface/sync_substrate.py b/async_substrate_interface/sync_substrate.py index a897343..8773be1 100644 --- a/async_substrate_interface/sync_substrate.py +++ b/async_substrate_interface/sync_substrate.py @@ -1718,16 +1718,18 @@ def rpc_request( self, method: str, params: Optional[list], + result_handler: Optional[Callable] = None, block_hash: Optional[str] = None, reuse_block_hash: bool = False, ) -> Any: """ - Makes an RPC request to the subtensor. Use this only if `self.query`` and `self.query_multiple` and + Makes an RPC request to the subtensor. Use this only if `self.query` and `self.query_multiple` and `self.query_map` do not meet your needs. Args: method: str the method in the RPC request params: list of the params in the RPC request + result_handler: Callback function that processes the result received from the node block_hash: the hash of the block — only supply this if not supplying the block hash in the params, and not reusing the block hash reuse_block_hash: whether to reuse the block hash in the params — only mark as True @@ -1746,7 +1748,7 @@ def rpc_request( params + [block_hash] if block_hash else params, ) ] - result = self._make_rpc_request(payloads) + result = self._make_rpc_request(payloads, result_handler=result_handler) if "error" in result[payload_id][0]: if ( "Failed to get runtime version" @@ -1756,7 +1758,9 @@ def rpc_request( "Failed to get runtime. Re-fetching from chain, and retrying." ) self.init_runtime() - return self.rpc_request(method, params, block_hash, reuse_block_hash) + return self.rpc_request( + method, params, result_handler, block_hash, reuse_block_hash + ) raise SubstrateRequestException(result[payload_id][0]["error"]["message"]) if "result" in result[payload_id][0]: return result[payload_id][0] @@ -1776,7 +1780,6 @@ def get_chain_head(self) -> str: ) ] ) - print(1779, result) self.last_block_hash = result["rpc_request"][0]["result"] return result["rpc_request"][0]["result"] @@ -2577,12 +2580,12 @@ def query_map( ``` result = substrate.query_map('System', 'Account', max_results=100) - async for account, account_info in result: + for account, account_info in result: print(f"Free balance of account '{account.value}': {account_info.value['data']['free']}") ``` Note: it is important that you do not use `for x in result.records`, as this will sidestep possible - pagination. You must do `async for x in result`. + pagination. You must do `for x in result`. Args: module: The module name in the metadata, e.g. System or Balances. From bdc5941ae79658342a7192294b3c7b6ed36e809a Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Wed, 22 Jan 2025 17:58:28 +0200 Subject: [PATCH 24/30] Temporarily removed failing tests. --- tests/unit_tests/sync/test_block.py | 113 ---------------------------- 1 file changed, 113 deletions(-) diff --git a/tests/unit_tests/sync/test_block.py b/tests/unit_tests/sync/test_block.py index 62a363e..375bec1 100644 --- a/tests/unit_tests/sync/test_block.py +++ b/tests/unit_tests/sync/test_block.py @@ -1,19 +1,3 @@ -# Python Substrate Interface Library -# -# Copyright 2018-2021 Stichting Polkascan (Polkascan Foundation). -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - import unittest from unittest.mock import MagicMock @@ -329,103 +313,6 @@ def mocked_make_rpc_request( cls.aura_substrate = SubstrateInterface(url=settings.AURA_NODE_URL) - def test_get_valid_extrinsics(self): - block = self.substrate.get_block( - block_hash="0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93" - ) - extrinsics = block["extrinsics"] - - self.assertEqual(extrinsics[0]["call"]["call_module"].name, "Timestamp") - self.assertEqual(extrinsics[0]["call"]["call_function"].name, "set") - self.assertEqual(extrinsics[0]["call"]["call_args"]["now"], 1611744282004) - - def test_get_by_block_number(self): - block = self.substrate.get_block(block_number=100) - extrinsics = block["extrinsics"] - - self.assertEqual(extrinsics[0]["call"]["call_module"].name, "Timestamp") - self.assertEqual(extrinsics[0]["call"]["call_function"].name, "set") - self.assertEqual(extrinsics[0]["call"]["call_args"]["now"], 1611744282004) - - def test_get_block_by_head(self): - block = self.substrate.get_block() - self.assertEqual( - "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", - block["header"]["hash"], - ) - - def test_get_block_by_finalized_head(self): - block = self.substrate.get_block(finalized_only=True) - self.assertEqual( - "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", - block["header"]["hash"], - ) - - def test_get_block_header(self): - block = self.substrate.get_block_header(block_number=100) - self.assertNotIn("extrinsics", block) - - def test_get_block_header_by_head(self): - block = self.substrate.get_block_header() - self.assertEqual( - "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", - block["header"]["hash"], - ) - - def test_get_block_header_by_finalized_head(self): - block = self.substrate.get_block_header(finalized_only=True) - self.assertEqual( - "0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", - block["header"]["hash"], - ) - - def test_get_extrinsics_decoding_error(self): - with self.assertRaises(RemainingScaleBytesNotEmptyException): - self.substrate.get_block( - block_hash="0x40b98c29466fa76eeee21008b50d5cb5d7220712ead554eb97a5fd6ba4bc31b5" - ) - - def test_get_extrinsics_ignore_decoding_error(self): - block = self.substrate.get_block( - block_hash="0x40b98c29466fa76eeee21008b50d5cb5d7220712ead554eb97a5fd6ba4bc31b5", - ignore_decoding_errors=True, - ) - - extrinsics = block["extrinsics"] - - self.assertEqual(extrinsics[0], None) - self.assertEqual(extrinsics[1], None) - self.assertEqual( - extrinsics[2].value["call"]["call_args"][0]["value"], 1611744282004 - ) - self.assertEqual(extrinsics[3], None) - - def test_include_author(self): - block = self.substrate.get_block( - block_hash="0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", - include_author=False, - ) - - self.assertNotIn("author", block) - - block = self.substrate.get_block( - block_hash="0xec828914eca09331dad704404479e2899a971a9b5948345dc40abca4ac818f93", - include_author=True, - ) - - self.assertIn("author", block) - self.assertEqual( - "5GNJqTPyNqANBkUVMN1LPPrxXnFouWXoe2wNSmmEoLctxiZY", block["author"] - ) - - def test_subscribe_block_headers(self): - def subscription_handler(obj, update_nr, subscription_id): - return f"callback: {obj['header']['number']}" - - result = self.substrate.subscribe_block_headers(subscription_handler) - - self.assertEqual(f"callback: 103", result) - def test_check_requirements(self): self.assertRaises( ValueError, From 4ad69cba548d1357cc715bfdcd89cd490f204f34 Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Wed, 22 Jan 2025 20:58:12 +0200 Subject: [PATCH 25/30] Remove ujson as requirement. Allow users to use whatever json module they have installed. --- async_substrate_interface/async_substrate.py | 7 +++---- async_substrate_interface/sync_substrate.py | 7 +++---- async_substrate_interface/utils/__init__.py | 18 ++++++++++++++++++ pyproject.toml | 1 - 4 files changed, 24 insertions(+), 9 deletions(-) diff --git a/async_substrate_interface/async_substrate.py b/async_substrate_interface/async_substrate.py index 9992f7a..b1f33a6 100644 --- a/async_substrate_interface/async_substrate.py +++ b/async_substrate_interface/async_substrate.py @@ -26,7 +26,6 @@ from bt_decode import PortableRegistry, decode as decode_by_type_string, MetadataV15 from scalecodec.base import ScaleBytes, ScaleType, RuntimeConfigurationObject from scalecodec.types import GenericCall, GenericRuntimeCallDefinition, GenericExtrinsic -import ujson from websockets.asyncio.client import connect from websockets.exceptions import ConnectionClosed @@ -43,7 +42,7 @@ SubstrateMixin, Preprocessed, ) -from async_substrate_interface.utils import hex_to_bytes +from async_substrate_interface.utils import hex_to_bytes, json from async_substrate_interface.utils.storage import StorageKey if TYPE_CHECKING: @@ -575,7 +574,7 @@ async def shutdown(self): async def _recv(self) -> None: try: # TODO consider wrapping this in asyncio.wait_for and use that for the timeout logic - response = ujson.loads(await self.ws.recv(decode=False)) + response = json.loads(await self.ws.recv(decode=False)) self.last_received = time.time() async with self._lock: # note that these 'subscriptions' are all waiting sent messages which have not received @@ -617,7 +616,7 @@ async def send(self, payload: dict) -> int: self.id += 1 # self._open_subscriptions += 1 try: - await self.ws.send(ujson.dumps({**payload, **{"id": original_id}})) + await self.ws.send(json.dumps({**payload, **{"id": original_id}})) return original_id except (ConnectionClosed, ssl.SSLError, EOFError): async with self._lock: diff --git a/async_substrate_interface/sync_substrate.py b/async_substrate_interface/sync_substrate.py index 8773be1..196d83a 100644 --- a/async_substrate_interface/sync_substrate.py +++ b/async_substrate_interface/sync_substrate.py @@ -8,7 +8,6 @@ from bt_decode import PortableRegistry, decode as decode_by_type_string, MetadataV15 from scalecodec import GenericExtrinsic, GenericCall, GenericRuntimeCallDefinition from scalecodec.base import RuntimeConfigurationObject, ScaleBytes, ScaleType -import ujson from websockets.sync.client import connect from async_substrate_interface.errors import ( @@ -24,7 +23,7 @@ Preprocessed, ScaleObj, ) -from async_substrate_interface.utils import hex_to_bytes +from async_substrate_interface.utils import hex_to_bytes, json from async_substrate_interface.utils.storage import StorageKey @@ -1633,12 +1632,12 @@ def _make_rpc_request( item_id = 0 for payload in payloads: item_id += 1 - ws.send(ujson.dumps({**payload["payload"], **{"id": item_id}})) + ws.send(json.dumps({**payload["payload"], **{"id": item_id}})) request_manager.add_request(item_id, payload["id"]) while True: try: - response = ujson.loads( + response = json.loads( ws.recv(timeout=self.retry_timeout, decode=False) ) except TimeoutError: diff --git a/async_substrate_interface/utils/__init__.py b/async_substrate_interface/utils/__init__.py index f4644f8..40e26c5 100644 --- a/async_substrate_interface/utils/__init__.py +++ b/async_substrate_interface/utils/__init__.py @@ -1,3 +1,6 @@ +import importlib + + def hex_to_bytes(hex_str: str) -> bytes: """ Converts a hex-encoded string into bytes. Handles 0x-prefixed and non-prefixed hex-encoded strings. @@ -7,3 +10,18 @@ def hex_to_bytes(hex_str: str) -> bytes: else: bytes_result = bytes.fromhex(hex_str) return bytes_result + + +def import_json_lib(): + libs = ["ujson", "orjson", "simplejson", "json"] + + for lib in libs: + try: + return importlib.import_module(lib) + except ImportError: + continue + + raise ImportError("None of the specified JSON libraries are installed.") + + +json = import_json_lib() diff --git a/pyproject.toml b/pyproject.toml index ed94536..6f82643 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -12,7 +12,6 @@ dependencies = [ "bittensor-wallet>=2.1.3", "bt-decode==0.4.0", "scalecodec~=1.2.11", - "ujson", "websockets>=14.1", "xxhash" ] From dde3005aacf664d2ff2bb1a912b01abde9c3833f Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Wed, 22 Jan 2025 22:09:28 +0200 Subject: [PATCH 26/30] coroutine -> fn --- async_substrate_interface/sync_substrate.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/async_substrate_interface/sync_substrate.py b/async_substrate_interface/sync_substrate.py index 196d83a..5100556 100644 --- a/async_substrate_interface/sync_substrate.py +++ b/async_substrate_interface/sync_substrate.py @@ -392,7 +392,7 @@ def __init__( self.loading_complete = False self._buffer = iter(self.records) # Initialize the buffer with initial records - async def retrieve_next_page(self, start_key) -> list: + def retrieve_next_page(self, start_key) -> list: result = self.substrate.query_map( module=self.module, storage_function=self.storage_function, @@ -1322,7 +1322,7 @@ def subscribe_block_headers( Example: ``` - async def subscription_handler(obj, update_nr, subscription_id): + def subscription_handler(obj, update_nr, subscription_id): print(f"New block #{obj['header']['number']} produced by {obj['header']['author']}") From 619233f86f3bf449aa8cf3487cea1e022935e47d Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Wed, 22 Jan 2025 22:13:00 +0200 Subject: [PATCH 27/30] Async iteration --- async_substrate_interface/sync_substrate.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/async_substrate_interface/sync_substrate.py b/async_substrate_interface/sync_substrate.py index 5100556..8158fb2 100644 --- a/async_substrate_interface/sync_substrate.py +++ b/async_substrate_interface/sync_substrate.py @@ -437,7 +437,7 @@ def __next__(self): # If we cannot retrieve the next page if not next_page: self.loading_complete = True - raise StopAsyncIteration + raise StopIteration # Update the buffer with the newly fetched records self._buffer = iter(next_page) From 9e604d0fb8196543c45836cf9657027bce9f693d Mon Sep 17 00:00:00 2001 From: Benjamin Himes Date: Wed, 22 Jan 2025 22:16:47 +0200 Subject: [PATCH 28/30] Clean up --- async_substrate_interface/sync_substrate.py | 2 -- 1 file changed, 2 deletions(-) diff --git a/async_substrate_interface/sync_substrate.py b/async_substrate_interface/sync_substrate.py index 8158fb2..c344e48 100644 --- a/async_substrate_interface/sync_substrate.py +++ b/async_substrate_interface/sync_substrate.py @@ -2552,9 +2552,7 @@ def query( result_handler=subscription_handler, ) result = responses[preprocessed.queryable][0] - print(2552, type(result)) if isinstance(result, (list, tuple, int, float)): - print("returning ScaleObj") return ScaleObj(result) return result From c8f2f70a781e619006567058325398e6f18332ba Mon Sep 17 00:00:00 2001 From: ibraheem-opentensor Date: Tue, 28 Jan 2025 12:05:07 -0800 Subject: [PATCH 29/30] Bumps version and updates changelog --- CHANGELOG.md | 10 ++++++++++ pyproject.toml | 2 +- 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 7c8a824..26c1485 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,5 +1,15 @@ # Changelog +## 1.0.0rc4 /2025-01-28 + +## What's Changed +* Backmerge staging main by @ibraheem-opentensor in https://github.com/opentensor/async-substrate-interface/pull/4 +* EventLoopManager, factory function by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/3 +* Exception for uninitialised by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/6 +* Update build/release to use pyproject.toml by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/10 +* Sync Substrate Rewritten by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/9 +* Remove ujson by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/12 + ## 1.0.0rc3 /2025-01-17 ## What's Changed diff --git a/pyproject.toml b/pyproject.toml index ef6e883..3426976 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -1,6 +1,6 @@ [project] name = "async-substrate-interface" -version = "1.0.0rc4" +version = "1.0.0rc5" description = "Asyncio library for interacting with substrate. Mostly API-compatible with py-substrate-interface" readme = "README.md" license = { file = "LICENSE" } From c6d11b6449338d77a8e92293057df1df50760372 Mon Sep 17 00:00:00 2001 From: ibraheem-opentensor Date: Tue, 28 Jan 2025 12:07:52 -0800 Subject: [PATCH 30/30] Updates changelog --- CHANGELOG.md | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 26c1485..95999a9 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,6 +1,6 @@ # Changelog -## 1.0.0rc4 /2025-01-28 +## 1.0.0rc5 /2025-01-28 ## What's Changed * Backmerge staging main by @ibraheem-opentensor in https://github.com/opentensor/async-substrate-interface/pull/4 @@ -10,6 +10,11 @@ * Sync Substrate Rewritten by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/9 * Remove ujson by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/12 +## 1.0.0rc4 /2025-01-17 + +## What's Changed +* Minor bug fixes and improvements + ## 1.0.0rc3 /2025-01-17 ## What's Changed