Implement AccountProvider interface for EvmSystem

frame/evm-system/Cargo.toml

@@ -19,6 +19,8 @@ frame-support = { workspace = true }
 frame-system = { workspace = true }
 sp-runtime = { workspace = true }
 sp-std = { workspace = true }
+# Frontier
+fp-evm = { workspace = true }
 
 [dev-dependencies]
 mockall = "0.11"
@@ -36,6 +38,8 @@ std = [
 	"frame-system/std",
 	"sp-runtime/std",
 	"sp-std/std",
+	# Frontier
+	"fp-evm/std",
 ]
 try-runtime = [
 	"frame-support/try-runtime",

frame/evm-system/src/lib.rs

@@ -211,6 +211,27 @@ impl<T: Config> StoredMap<<T as Config>::AccountId, <T as Config>::AccountData>
 	}
 }
 
+impl<T: Config> fp_evm::AccountProvider for Pallet<T> {
+	type AccountId = <T as Config>::AccountId;
+	type Index = <T as Config>::Index;
+
+	fn create_account(who: &Self::AccountId) {
+		let _ = Self::create_account(who);
+	}
+
+	fn remove_account(who: &Self::AccountId) {
+		let _ = Self::remove_account(who);
+	}
+
+	fn account_nonce(who: &Self::AccountId) -> Self::Index {
+		Self::account_nonce(who)
+	}
+
+	fn inc_account_nonce(who: &Self::AccountId) {
+		Self::inc_account_nonce(who);
+	}
+}
+
 /// Interface to handle account creation.
 pub trait OnNewAccount<AccountId> {
 	/// A new account `who` has been registered.