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Handle SSL errors and avoid unnecessary chain head calls #127

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Merged
thewhaleking merged 1 commit into from
Sep 27, 2024
Merged

Handle SSL errors and avoid unnecessary chain head calls #127

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5 changes: 4 additions & 1 deletion bittensor_cli/cli.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
import curses
import os.path
import re
import ssl
import sys
from pathlib import Path
from typing import Coroutine, Optional
Expand Down Expand Up @@ -756,16 +757,18 @@ async def _run():
else:
result = await cmd
return result
except ConnectionRefusedError:
except (ConnectionRefusedError, ssl.SSLError):
err_console.print(
f"Unable to connect to the chain: {self.not_subtensor}"
)
asyncio.create_task(cmd).cancel()
raise typer.Exit()
except ConnectionClosed:
asyncio.create_task(cmd).cancel()
raise typer.Exit()
except SubstrateRequestException as e:
err_console.print(str(e))
asyncio.create_task(cmd).cancel()
raise typer.Exit()

if sys.version_info < (3, 10):
Expand Down
21 changes: 7 additions & 14 deletions bittensor_cli/src/bittensor/async_substrate_interface.py
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Original file line number Diff line number Diff line change
Expand Up @@ -845,11 +845,7 @@ async def _get_current_block_hash(
async def load_registry(self):
metadata_rpc_result = await self.rpc_request(
"state_call",
[
"Metadata_metadata_at_version",
self.metadata_version_hex,
await self.get_chain_finalised_head(),
],
["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:])
Expand Down Expand Up @@ -897,6 +893,7 @@ async def init_runtime(

: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 (
Expand Down Expand Up @@ -2193,20 +2190,16 @@ async def runtime_call(
params = {}

try:
runtime_call_def = self.runtime_config.type_registry["runtime_api"][
api
]["methods"][method]
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"
)
raise ValueError(f"Runtime API Call '{api}.{method}' not found in registry")

if isinstance(params, list) and len(params) != len(
runtime_call_def["params"]
):
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'])}"
Expand Down