fix build

client/rpc/src/lib.rs

@@ -91,7 +91,6 @@ pub mod frontier_backend_client {
 			let mut key = [twox_128(b"System"), twox_128(b"Account")]
 				.concat()
 				.to_vec();
-			let system_account = key.clone();
 			let account_id = Self::AddressMapping::into_account_id_bytes(address);
 			key.extend(blake2_128(&account_id));
 			key.extend(&account_id);

template/node/src/rpc/mod.rs

@@ -17,8 +17,7 @@ use sc_service::TransactionPool;
 use sc_transaction_pool::ChainApi;
 use sp_api::{CallApiAt, ProvideRuntimeApi};
 use sp_blockchain::{Error as BlockChainError, HeaderBackend, HeaderMetadata};
-use sp_core::ByteArray;
-use sp_runtime::traits::{BlakeTwo256, Block as BlockT};
+use sp_runtime::traits::Block as BlockT;
 // Runtime
 use frontier_template_runtime::{opaque::Block, AccountId, Balance, Hash, Index};
 
@@ -28,7 +27,9 @@ pub use self::eth::{create_eth, overrides_handle, EthDeps};
 pub struct AccountId32AddressMapping;
 impl fp_rpc::EthereumRuntimeAddressMapping for AccountId32AddressMapping {
 	fn into_account_id_bytes(address: sp_core::H160) -> Vec<u8> {
-		pallet_evm::IdentityAddressMapping::<BlakeTwo256>::into_account_id(address).to_raw_vec()
+		pallet_evm::IdentityAddressMapping::into_account_id(address)
+			.as_bytes()
+			.to_owned()
 	}
 }