Merge pull request #1896 from taonado/bn128-precompiles

Add bn128 ec precompiles

Author: open-junius

Cargo.lock

@@ -224,6 +224,7 @@ pallet-evm-chain-id = { git = "https://github.com/opentensor/frontier", rev = "f
 pallet-evm-precompile-modexp = { git = "https://github.com/opentensor/frontier", rev = "fe6976888fda696771cd15f78dbbdd71ee6c1216", default-features = false }
 pallet-evm-precompile-sha3fips = { git = "https://github.com/opentensor/frontier", rev = "fe6976888fda696771cd15f78dbbdd71ee6c1216", default-features = false }
 pallet-evm-precompile-simple = { git = "https://github.com/opentensor/frontier", rev = "fe6976888fda696771cd15f78dbbdd71ee6c1216", default-features = false }
+pallet-evm-precompile-bn128 = { git = "https://github.com/opentensor/frontier", rev = "fe6976888fda696771cd15f78dbbdd71ee6c1216", default-features = false }
 pallet-hotfix-sufficients = { git = "https://github.com/opentensor/frontier", rev = "fe6976888fda696771cd15f78dbbdd71ee6c1216", default-features = false }
 
 #DRAND

Cargo.toml

@@ -23,6 +23,7 @@ pallet-evm-precompile-dispatch = { workspace = true }
 pallet-evm-precompile-modexp = { workspace = true }
 pallet-evm-precompile-sha3fips = { workspace = true }
 pallet-evm-precompile-simple = { workspace = true }
+pallet-evm-precompile-bn128 = { workspace = true }
 pallet-proxy = { workspace = true }
 precompile-utils = { workspace = true }
 sp-core = { workspace = true }
@@ -55,6 +56,7 @@ std = [
 	"pallet-evm-precompile-modexp/std",
 	"pallet-evm-precompile-sha3fips/std",
 	"pallet-evm-precompile-simple/std",
+	"pallet-evm-precompile-bn128/std",
 	"pallet-evm/std",
 	"pallet-crowdloan/std",
 	"pallet-proxy/std",

precompiles/Cargo.toml

@@ -13,6 +13,7 @@ use pallet_evm::{
     AddressMapping, IsPrecompileResult, Precompile, PrecompileHandle, PrecompileResult,
     PrecompileSet,
 };
+use pallet_evm_precompile_bn128::{Bn128Add, Bn128Mul, Bn128Pairing};
 use pallet_evm_precompile_dispatch::Dispatch;
 use pallet_evm_precompile_modexp::Modexp;
 use pallet_evm_precompile_sha3fips::Sha3FIPS256;
@@ -106,14 +107,17 @@ where
         Self(Default::default())
     }
 
-    pub fn used_addresses() -> [H160; 21] {
+    pub fn used_addresses() -> [H160; 24] {
         [
             hash(1),
             hash(2),
             hash(3),
             hash(4),
             hash(5),
             hash(6),
+            hash(7),
+            hash(8),
+            hash(9),
             hash(1024),
             hash(1025),
             hash(Ed25519Verify::<R::AccountId>::INDEX),
@@ -166,6 +170,9 @@ where
             a if a == hash(4) => Some(Identity::execute(handle)),
             a if a == hash(5) => Some(Modexp::execute(handle)),
             a if a == hash(6) => Some(Dispatch::<R>::execute(handle)),
+            a if a == hash(7) => Some(Bn128Mul::execute(handle)),
+            a if a == hash(8) => Some(Bn128Pairing::execute(handle)),
+            a if a == hash(9) => Some(Bn128Add::execute(handle)),
             // Non-Frontier specific nor Ethereum precompiles :
             a if a == hash(1024) => Some(Sha3FIPS256::execute(handle)),
             a if a == hash(1025) => Some(ECRecoverPublicKey::execute(handle)),

precompiles/src/lib.rs

@@ -218,7 +218,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     //   `spec_version`, and `authoring_version` are the same between Wasm and native.
     // This value is set to 100 to notify Polkadot-JS App (https://polkadot.js.org/apps) to use
     //   the compatible custom types.
-    spec_version: 298,
+    spec_version: 299,
     impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,