Encapsulate precompiles into a crate

Cargo.toml

@@ -23,21 +23,14 @@ rayon = "1.10"
 
 [workspace]
 members = [
-    "node",
-    "pallets/commitments",
-    "pallets/subtensor",
-    "pallets/admin-utils",
-    "pallets/collective",
-    "pallets/registry",
-    "primitives/*",
-    "runtime",
-    "support/tools",
-    "support/macros",
-    "support/linting",
-    "support/procedural-fork",
-    "pallets/drand",
+	"common",
+	"node",
+	"pallets/*",
+	"precompiles",
+	"primitives/*",
+	"runtime",
+	"support/*",
 ]
-exclude = ["support/procedural-fork"]
 resolver = "2"
 
 [workspace.lints.clippy]
@@ -46,14 +39,29 @@ arithmetic-side-effects = "deny"
 type_complexity = "allow"
 unwrap-used = "deny"
 manual_inspect = "allow"
-useless_conversion = "allow" # until polkadot is patched
+useless_conversion = "allow"     # until polkadot is patched
 
 [workspace.dependencies]
+pallet-admin-utils = { default-features = false, path = "pallets/admin-utils" }
+pallet-collective = { default-features = false, path = "pallets/collective" }
+pallet-commitments = { default-features = false, path = "pallets/commitments" }
+pallet-registry = { default-features = false, path = "pallets/registry" }
+pallet-subtensor = { default-features = false, path = "pallets/subtensor" }
+subtensor-custom-rpc = { default-features = false, path = "pallets/subtensor/rpc" }
+subtensor-custom-rpc-runtime-api = { default-features = false, path = "pallets/subtensor/runtime-api" }
+subtensor-precompiles = { default-features = false, path = "precompiles" }
+subtensor-runtime-common = { default-features = false, path = "common" }
+node-subtensor-runtime = { default-features = false, path = "runtime" }
+
 async-trait = "0.1"
 cargo-husky = { version = "1", default-features = false }
 clap = "4.5.4"
-codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false, features = ["derive"] }
-ed25519-dalek = { version = "2.1.0", default-features = false, features = ["alloc"] }
+codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false, features = [
+	"derive",
+] }
+ed25519-dalek = { version = "2.1.0", default-features = false, features = [
+	"alloc",
+] }
 enumflags2 = "0.7.9"
 futures = "0.3.30"
 hex = { version = "0.4", default-features = false }
@@ -64,7 +72,9 @@ memmap2 = "0.9.4"
 ndarray = { version = "0.15.6", default-features = false }
 parity-util-mem = "0.12.0"
 rand = "0.8.5"
-scale-codec = { package = "parity-scale-codec", version = "3.6.12", default-features = false, features = ["derive"] }
+scale-codec = { package = "parity-scale-codec", version = "3.6.12", default-features = false, features = [
+	"derive",
+] }
 scale-info = { version = "2.11.2", default-features = false }
 serde = { version = "1.0.214", default-features = false }
 serde-tuple-vec-map = { version = "1.0.1", default-features = false }
@@ -74,11 +84,11 @@ serde_with = { version = "=2.0.0", default-features = false }
 smallvec = "1.13.2"
 litep2p = { git = "https://github.com/paritytech/litep2p", tag = "v0.7.0" }
 syn = { version = "2.0.87", features = [
-    "full",
-    "visit-mut",
-    "visit",
-    "extra-traits",
-    "parsing",
+	"full",
+	"visit-mut",
+	"visit",
+	"extra-traits",
+	"parsing",
 ] }
 quote = "1"
 proc-macro2 = { version = "1", features = ["span-locations"] }
@@ -181,7 +191,9 @@ fc-consensus = { git = "https://github.com/opentensor/frontier", rev = "635bdac8
 fp-consensus = { git = "https://github.com/opentensor/frontier", rev = "635bdac882", default-features = false }
 fp-dynamic-fee = { git = "https://github.com/opentensor/frontier", rev = "635bdac882", default-features = false }
 fc-api = { git = "https://github.com/opentensor/frontier", rev = "635bdac882", default-features = false }
-fc-rpc = { git = "https://github.com/opentensor/frontier", rev = "635bdac882", default-features = false, features = ["rpc-binary-search-estimate"]}
+fc-rpc = { git = "https://github.com/opentensor/frontier", rev = "635bdac882", default-features = false, features = [
+	"rpc-binary-search-estimate",
+] }
 fc-rpc-core = { git = "https://github.com/opentensor/frontier", rev = "635bdac882", default-features = false }
 fc-mapping-sync = { git = "https://github.com/opentensor/frontier", rev = "635bdac882", default-features = false }
 precompile-utils = { git = "https://github.com/opentensor/frontier", rev = "635bdac882", default-features = false }
@@ -199,21 +211,34 @@ pallet-hotfix-sufficients = { git = "https://github.com/opentensor/frontier", re
 
 #DRAND
 pallet-drand = { path = "pallets/drand", default-features = false }
-sp-crypto-ec-utils = { git = "https://github.com/paritytech/polkadot-sdk.git", tag = "polkadot-stable2409", features = ["bls12-381"] }
-getrandom = { version = "0.2.15", features = ["custom"], default-features = false }
-sp-keystore = { git = "https://github.com/paritytech/polkadot-sdk.git", tag = "polkadot-stable2409",  default-features = false }
+sp-crypto-ec-utils = { git = "https://github.com/paritytech/polkadot-sdk.git", tag = "polkadot-stable2409", features = [
+	"bls12-381",
+] }
+getrandom = { version = "0.2.15", features = [
+	"custom",
+], default-features = false }
+sp-keystore = { git = "https://github.com/paritytech/polkadot-sdk.git", tag = "polkadot-stable2409", default-features = false }
 w3f-bls = { version = "=0.1.3", default-features = false }
-ark-crypto-primitives = { version = "0.4.0", default-features = false, features = [ "r1cs", "snark" ] }
-ark-scale = { version = "0.0.11", default-features = false, features = ["hazmat"] }
+ark-crypto-primitives = { version = "0.4.0", default-features = false, features = [
+	"r1cs",
+	"snark",
+] }
+ark-scale = { version = "0.0.11", default-features = false, features = [
+	"hazmat",
+] }
 sp-ark-bls12-381 = { git = "https://github.com/paritytech/substrate-curves", default-features = false }
-ark-bls12-381 = { version = "0.4.0", features = ["curve"], default-features = false }
-ark-serialize = { version = "0.4.0", features = [ "derive" ], default-features = false }
+ark-bls12-381 = { version = "0.4.0", features = [
+	"curve",
+], default-features = false }
+ark-serialize = { version = "0.4.0", features = [
+	"derive",
+], default-features = false }
 ark-ff = { version = "0.4.0", default-features = false }
 ark-ec = { version = "0.4.0", default-features = false }
 ark-std = { version = "0.4.0", default-features = false }
 anyhow = "1.0.81"
 sha2 = { version = "0.10.8", default-features = false }
-rand_chacha = { version = "0.3.1", default-features = false  }
+rand_chacha = { version = "0.3.1", default-features = false }
 tle = { git = "https://github.com/ideal-lab5/timelock", rev = "5416406cfd32799e31e1795393d4916894de4468", default-features = false }
 
 frame-metadata = "16"
@@ -232,11 +257,11 @@ codegen-units = 1
 [features]
 default = []
 try-runtime = [
-    "node-subtensor/try-runtime",
-    "node-subtensor-runtime/try-runtime",
+	"node-subtensor/try-runtime",
+	"node-subtensor-runtime/try-runtime",
 ]
 runtime-benchmarks = [
-    "node-subtensor/runtime-benchmarks",
-    "node-subtensor-runtime/runtime-benchmarks",
+	"node-subtensor/runtime-benchmarks",
+	"node-subtensor-runtime/runtime-benchmarks",
 ]
 metadata-hash = ["node-subtensor-runtime/metadata-hash"]

common/Cargo.toml

@@ -0,0 +1,32 @@
+[package]
+name = "subtensor-runtime-common"
+version = "0.1.0"
+edition = "2024"
+authors = ["Opentensor Foundation <https://github.com/opentensor/>"]
+homepage = "https://opentensor.ai/"
+publish = false
+repository = "https://github.com/opentensor/subtensor/"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+codec = { workspace = true }
+frame-support = { workspace = true }
+scale-info = { workspace = true }
+sp-runtime = { workspace = true }
+sp-core = { workspace = true }
+
+[lints]
+workspace = true
+
+[features]
+default = ["std"]
+fast-blocks = []
+std = [
+	"codec/std",
+	"frame-support/std",
+	"scale-info/std",
+	"sp-core/std",
+	"sp-runtime/std",
+]

common/src/lib.rs

@@ -0,0 +1,86 @@
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use codec::{Decode, Encode, MaxEncodedLen};
+use scale_info::TypeInfo;
+use sp_runtime::{
+    MultiSignature,
+    traits::{IdentifyAccount, Verify},
+};
+
+/// Balance of an account.
+pub type Balance = u64;
+
+/// An index to a block.
+pub type BlockNumber = u32;
+
+/// Alias to 512-bit hash when used in the context of a transaction signature on the chain.
+pub type Signature = MultiSignature;
+
+/// Some way of identifying an account on the chain. We intentionally make it equivalent to the
+/// public key of our transaction signing scheme.
+pub type AccountId = <<Signature as Verify>::Signer as IdentifyAccount>::AccountId;
+
+/// Index of a transaction in the chain.
+pub type Index = u32;
+
+/// A hash of some data used by the chain.
+pub type Hash = sp_core::H256;
+
+pub type Nonce = u32;
+
+/// Transfers below SMALL_TRANSFER_LIMIT are considered small transfers
+pub const SMALL_TRANSFER_LIMIT: Balance = 500_000_000; // 0.5 TAO
+
+#[derive(
+    Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Encode, Decode, Debug, MaxEncodedLen, TypeInfo,
+)]
+pub enum ProxyType {
+    Any,
+    Owner, // Subnet owner Calls
+    NonCritical,
+    NonTransfer,
+    Senate,
+    NonFungibile, // Nothing involving moving TAO
+    Triumvirate,
+    Governance, // Both above governance
+    Staking,
+    Registration,
+    Transfer,
+    SmallTransfer,
+    RootWeights,
+    ChildKeys,
+    SudoUncheckedSetCode,
+}
+
+impl Default for ProxyType {
+    // allow all Calls; required to be most permissive
+    fn default() -> Self {
+        Self::Any
+    }
+}
+
+pub mod time {
+    use super::*;
+
+    /// This determines the average expected block time that we are targeting. Blocks will be
+    /// produced at a minimum duration defined by `SLOT_DURATION`. `SLOT_DURATION` is picked up by
+    /// `pallet_timestamp` which is in turn picked up by `pallet_aura` to implement `fn
+    /// slot_duration()`.
+    ///
+    /// Change this to adjust the block time.
+    #[cfg(not(feature = "fast-blocks"))]
+    pub const MILLISECS_PER_BLOCK: u64 = 12000;
+
+    /// Fast blocks for development
+    #[cfg(feature = "fast-blocks")]
+    pub const MILLISECS_PER_BLOCK: u64 = 250;
+
+    // NOTE: Currently it is not possible to change the slot duration after the chain has started.
+    //       Attempting to do so will brick block production.
+    pub const SLOT_DURATION: u64 = MILLISECS_PER_BLOCK;
+
+    // Time is measured by number of blocks.
+    pub const MINUTES: BlockNumber = 60_000 / (MILLISECS_PER_BLOCK as BlockNumber);
+    pub const HOURS: BlockNumber = MINUTES * 60;
+    pub const DAYS: BlockNumber = HOURS * 24;
+}

node/Cargo.toml

@@ -66,7 +66,7 @@ pallet-transaction-payment = { workspace = true }
 pallet-commitments = { path = "../pallets/commitments" }
 pallet-drand = { workspace = true }
 sp-crypto-ec-utils = { workspace = true }
-sp-keystore = { workspace = true,  default-features = false }
+sp-keystore = { workspace = true, default-features = false }
 
 
 # These dependencies are used for the subtensor's RPCs
@@ -105,9 +105,10 @@ thiserror = { workspace = true }
 num-traits = { version = "0.2", features = ["std"] }
 
 # Local Dependencies
-node-subtensor-runtime = { path = "../runtime" }
-subtensor-custom-rpc = { path = "../pallets/subtensor/rpc" }
-subtensor-custom-rpc-runtime-api = { path = "../pallets/subtensor/runtime-api" }
+node-subtensor-runtime = { workspace = true, features = ["std"] }
+subtensor-runtime-common = { workspace = true, features = ["std"] }
+subtensor-custom-rpc = { workspace = true, features = ["std"] }
+subtensor-custom-rpc-runtime-api = { workspace = true, features = ["std"] }
 
 [build-dependencies]
 substrate-build-script-utils = { workspace = true }
@@ -133,7 +134,7 @@ runtime-benchmarks = [
 	"sc-service/runtime-benchmarks",
 	"sp-runtime/runtime-benchmarks",
 	"pallet-commitments/runtime-benchmarks",
-	"pallet-drand/runtime-benchmarks"
+	"pallet-drand/runtime-benchmarks",
 ]
 pow-faucet = []
 
@@ -145,7 +146,7 @@ try-runtime = [
 	"pallet-transaction-payment/try-runtime",
 	"sp-runtime/try-runtime",
 	"pallet-commitments/try-runtime",
-	"pallet-drand/try-runtime"
+	"pallet-drand/try-runtime",
 ]
 
 metadata-hash = ["node-subtensor-runtime/metadata-hash"]