Adds derive_impl to relay-chain and parachain runtimes (#2476)

cumulus/parachain-template/runtime/src/lib.rs

@@ -16,7 +16,7 @@ use sp_api::impl_runtime_apis;
 use sp_core::{crypto::KeyTypeId, OpaqueMetadata};
 use sp_runtime::{
 	create_runtime_str, generic, impl_opaque_keys,
-	traits::{AccountIdLookup, BlakeTwo256, Block as BlockT, IdentifyAccount, Verify},
+	traits::{BlakeTwo256, Block as BlockT, IdentifyAccount, Verify},
 	transaction_validity::{TransactionSource, TransactionValidity},
 	ApplyExtrinsicResult, MultiSignature,
 };
@@ -28,13 +28,11 @@ use sp_version::RuntimeVersion;
 
 use cumulus_primitives_core::{AggregateMessageOrigin, ParaId};
 use frame_support::{
-	construct_runtime,
+	construct_runtime, derive_impl,
 	dispatch::DispatchClass,
 	genesis_builder_helper::{build_config, create_default_config},
 	parameter_types,
-	traits::{
-		ConstBool, ConstU32, ConstU64, ConstU8, EitherOfDiverse, Everything, TransformOrigin,
-	},
+	traits::{ConstBool, ConstU32, ConstU64, ConstU8, EitherOfDiverse, TransformOrigin},
 	weights::{
 		constants::WEIGHT_REF_TIME_PER_SECOND, ConstantMultiplier, Weight, WeightToFeeCoefficient,
 		WeightToFeeCoefficients, WeightToFeePolynomial,
@@ -275,45 +273,27 @@ parameter_types! {
 	pub const SS58Prefix: u16 = 42;
 }
 
-// Configure FRAME pallets to include in runtime.
-
+/// The default types are being injected by [`derive_impl`](`frame_support::derive_impl`) from
+/// [`ParaChainDefaultConfig`](`struct@frame_system::config_preludes::ParaChainDefaultConfig`),
+/// but overridden as needed.
+#[derive_impl(frame_system::config_preludes::ParaChainDefaultConfig as frame_system::DefaultConfig)]
 impl frame_system::Config for Runtime {
 	/// The identifier used to distinguish between accounts.
 	type AccountId = AccountId;
-	/// The aggregated dispatch type that is available for extrinsics.
-	type RuntimeCall = RuntimeCall;
-	/// The lookup mechanism to get account ID from whatever is passed in dispatchers.
-	type Lookup = AccountIdLookup<AccountId, ()>;
 	/// The index type for storing how many extrinsics an account has signed.
 	type Nonce = Nonce;
 	/// The type for hashing blocks and tries.
 	type Hash = Hash;
-	/// The hashing algorithm used.
-	type Hashing = BlakeTwo256;
 	/// The block type.
 	type Block = Block;
-	/// The ubiquitous event type.
-	type RuntimeEvent = RuntimeEvent;
-	/// The ubiquitous origin type.
-	type RuntimeOrigin = RuntimeOrigin;
 	/// Maximum number of block number to block hash mappings to keep (oldest pruned first).
 	type BlockHashCount = BlockHashCount;
 	/// Runtime version.
 	type Version = Version;
-	/// Converts a module to an index of this module in the runtime.
-	type PalletInfo = PalletInfo;
 	/// The data to be stored in an account.
 	type AccountData = pallet_balances::AccountData<Balance>;
-	/// What to do if a new account is created.
-	type OnNewAccount = ();
-	/// What to do if an account is fully reaped from the system.
-	type OnKilledAccount = ();
 	/// The weight of database operations that the runtime can invoke.
 	type DbWeight = RocksDbWeight;
-	/// The basic call filter to use in dispatchable.
-	type BaseCallFilter = Everything;
-	/// Weight information for the extrinsics of this pallet.
-	type SystemWeightInfo = ();
 	/// Block & extrinsics weights: base values and limits.
 	type BlockWeights = RuntimeBlockWeights;
 	/// The maximum length of a block (in bytes).