Add storage weight reclaim to Kusama system chains

CHANGELOG.md

@@ -4,6 +4,12 @@ Changelog for the runtimes governed by the Polkadot Fellowship.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## [Unreleased]
+
+### Added
+
+- Add `cumulus-pallet-weight-reclaim` to all Kusama system parachains for storage weight reclaim functionality ([#941](https://github.com/polkadot-fellows/runtimes/pull/941))
+
 ## [2.0.3] 21.11.2025
 
 ### Added

Cargo.toml

@@ -60,6 +60,7 @@ cumulus-pallet-parachain-system = { version = "0.22.0", default-features = false
 cumulus-pallet-session-benchmarking = { version = "23.0.0", default-features = false }
 cumulus-pallet-xcm = { version = "0.21.0", default-features = false }
 cumulus-pallet-xcmp-queue = { version = "0.22.1", default-features = false }
+cumulus-pallet-weight-reclaim = { version = "0.4.0", default-features = false }
 cumulus-primitives-aura = { version = "0.19.0", default-features = false }
 cumulus-primitives-core = { version = "0.20.0", default-features = false }
 cumulus-primitives-utility = { version = "0.22.0", default-features = false }

system-parachains/asset-hubs/asset-hub-kusama/Cargo.toml

@@ -122,6 +122,7 @@ xcm-runtime-apis = { workspace = true }
 cumulus-pallet-aura-ext = { workspace = true }
 cumulus-pallet-parachain-system = { workspace = true }
 cumulus-pallet-session-benchmarking = { workspace = true }
+cumulus-pallet-weight-reclaim = { workspace = true }
 cumulus-pallet-xcm = { workspace = true }
 cumulus-pallet-xcmp-queue = { features = ["bridging"], workspace = true }
 cumulus-primitives-aura = { workspace = true }
@@ -156,6 +157,7 @@ runtime-benchmarks = [
 	"bp-bridge-hub-polkadot/runtime-benchmarks",
 	"cumulus-pallet-parachain-system/runtime-benchmarks",
 	"cumulus-pallet-session-benchmarking/runtime-benchmarks",
+	"cumulus-pallet-weight-reclaim/runtime-benchmarks",
 	"cumulus-pallet-xcmp-queue/runtime-benchmarks",
 	"cumulus-primitives-core/runtime-benchmarks",
 	"cumulus-primitives-utility/runtime-benchmarks",
@@ -228,6 +230,7 @@ try-runtime = [
 	"assets-common/try-runtime",
 	"cumulus-pallet-aura-ext/try-runtime",
 	"cumulus-pallet-parachain-system/try-runtime",
+	"cumulus-pallet-weight-reclaim/try-runtime",
 	"cumulus-pallet-xcm/try-runtime",
 	"cumulus-pallet-xcmp-queue/try-runtime",
 	"frame-election-provider-support/try-runtime",
@@ -298,6 +301,7 @@ std = [
 	"cumulus-pallet-aura-ext/std",
 	"cumulus-pallet-parachain-system/std",
 	"cumulus-pallet-session-benchmarking/std",
+	"cumulus-pallet-weight-reclaim/std",
 	"cumulus-pallet-xcm/std",
 	"cumulus-pallet-xcmp-queue/std",
 	"cumulus-primitives-aura/std",

system-parachains/asset-hubs/asset-hub-kusama/src/lib.rs

@@ -1557,6 +1557,10 @@ impl pallet_society::Config for Runtime {
 	type BlockNumberProvider = RelaychainDataProvider<Runtime>;
 }
 
+impl cumulus_pallet_weight_reclaim::Config for Runtime {
+	type WeightInfo = weights::cumulus_pallet_weight_reclaim::WeightInfo<Runtime>;
+}
+
 // Create the runtime by composing the FRAME pallets that were previously configured.
 construct_runtime!(
 	pub enum Runtime
@@ -1571,6 +1575,7 @@ construct_runtime!(
 		Preimage: pallet_preimage = 6,
 		Scheduler: pallet_scheduler = 7,
 		Parameters: pallet_parameters = 8,
+		WeightReclaim: cumulus_pallet_weight_reclaim = 9,
 
 		// Monetary stuff.
 		Balances: pallet_balances = 10,
@@ -1654,17 +1659,20 @@ pub type SignedBlock = generic::SignedBlock<Block>;
 /// BlockId type as expected by this runtime.
 pub type BlockId = generic::BlockId<Block>;
 /// The TransactionExtension to the basic transaction logic.
-pub type TxExtension = (
-	frame_system::CheckNonZeroSender<Runtime>,
-	frame_system::CheckSpecVersion<Runtime>,
-	frame_system::CheckTxVersion<Runtime>,
-	frame_system::CheckGenesis<Runtime>,
-	frame_system::CheckEra<Runtime>,
-	frame_system::CheckNonce<Runtime>,
-	frame_system::CheckWeight<Runtime>,
-	pallet_asset_conversion_tx_payment::ChargeAssetTxPayment<Runtime>,
-	frame_metadata_hash_extension::CheckMetadataHash<Runtime>,
-);
+pub type TxExtension = cumulus_pallet_weight_reclaim::StorageWeightReclaim<
+	Runtime,
+	(
+		frame_system::CheckNonZeroSender<Runtime>,
+		frame_system::CheckSpecVersion<Runtime>,
+		frame_system::CheckTxVersion<Runtime>,
+		frame_system::CheckGenesis<Runtime>,
+		frame_system::CheckEra<Runtime>,
+		frame_system::CheckNonce<Runtime>,
+		frame_system::CheckWeight<Runtime>,
+		pallet_asset_conversion_tx_payment::ChargeAssetTxPayment<Runtime>,
+		frame_metadata_hash_extension::CheckMetadataHash<Runtime>,
+	),
+>;
 
 /// Default extensions applied to Ethereum transactions.
 #[derive(Clone, PartialEq, Eq, Debug)]
@@ -1686,6 +1694,7 @@ impl EthExtra for EthExtraImpl {
 			pallet_asset_conversion_tx_payment::ChargeAssetTxPayment::<Runtime>::from(tip, None),
 			frame_metadata_hash_extension::CheckMetadataHash::<Runtime>::new(false),
 		)
+			.into()
 	}
 }
 
@@ -1829,6 +1838,7 @@ mod benches {
 		[pallet_transaction_payment, TransactionPayment]
 		[pallet_collator_selection, CollatorSelection]
 		[cumulus_pallet_parachain_system, ParachainSystem]
+		[cumulus_pallet_weight_reclaim, WeightReclaim]
 		[cumulus_pallet_xcmp_queue, XcmpQueue]
 		[pallet_conviction_voting, ConvictionVoting]
 		[pallet_referenda, Referenda]

system-parachains/bridge-hubs/bridge-hub-kusama/Cargo.toml

@@ -76,6 +76,7 @@ xcm-runtime-apis = { workspace = true }
 cumulus-pallet-aura-ext = { workspace = true }
 cumulus-pallet-parachain-system = { workspace = true }
 cumulus-pallet-session-benchmarking = { workspace = true }
+cumulus-pallet-weight-reclaim = { workspace = true }
 cumulus-pallet-xcm = { workspace = true }
 cumulus-pallet-xcmp-queue = { features = ["bridging"], workspace = true }
 cumulus-primitives-aura = { workspace = true }
@@ -133,6 +134,7 @@ std = [
 	"cumulus-pallet-aura-ext/std",
 	"cumulus-pallet-parachain-system/std",
 	"cumulus-pallet-session-benchmarking/std",
+	"cumulus-pallet-weight-reclaim/std",
 	"cumulus-pallet-xcm/std",
 	"cumulus-pallet-xcmp-queue/std",
 	"cumulus-primitives-aura/std",
@@ -206,6 +208,7 @@ runtime-benchmarks = [
 	"bridge-runtime-common/runtime-benchmarks",
 	"cumulus-pallet-parachain-system/runtime-benchmarks",
 	"cumulus-pallet-session-benchmarking/runtime-benchmarks",
+	"cumulus-pallet-weight-reclaim/runtime-benchmarks",
 	"cumulus-pallet-xcmp-queue/runtime-benchmarks",
 	"cumulus-primitives-core/runtime-benchmarks",
 	"cumulus-primitives-utility/runtime-benchmarks",
@@ -243,6 +246,7 @@ runtime-benchmarks = [
 try-runtime = [
 	"cumulus-pallet-aura-ext/try-runtime",
 	"cumulus-pallet-parachain-system/try-runtime",
+	"cumulus-pallet-weight-reclaim/try-runtime",
 	"cumulus-pallet-xcm/try-runtime",
 	"cumulus-pallet-xcmp-queue/try-runtime",
 	"frame-executive/try-runtime",

system-parachains/bridge-hubs/bridge-hub-kusama/src/lib.rs

@@ -110,19 +110,22 @@ pub type SignedBlock = generic::SignedBlock<Block>;
 pub type BlockId = generic::BlockId<Block>;
 
 /// The `TransactionExtension` to the basic transaction logic.
-pub type TxExtension = (
-	frame_system::CheckNonZeroSender<Runtime>,
-	frame_system::CheckSpecVersion<Runtime>,
-	frame_system::CheckTxVersion<Runtime>,
-	frame_system::CheckGenesis<Runtime>,
-	frame_system::CheckEra<Runtime>,
-	frame_system::CheckNonce<Runtime>,
-	frame_system::CheckWeight<Runtime>,
-	pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
-	BridgeRejectObsoleteHeadersAndMessages,
-	bridge_to_polkadot_config::OnBridgeHubPolkadotRefundBridgeHubKusamaMessages,
-	frame_metadata_hash_extension::CheckMetadataHash<Runtime>,
-);
+pub type TxExtension = cumulus_pallet_weight_reclaim::StorageWeightReclaim<
+	Runtime,
+	(
+		frame_system::CheckNonZeroSender<Runtime>,
+		frame_system::CheckSpecVersion<Runtime>,
+		frame_system::CheckTxVersion<Runtime>,
+		frame_system::CheckGenesis<Runtime>,
+		frame_system::CheckEra<Runtime>,
+		frame_system::CheckNonce<Runtime>,
+		frame_system::CheckWeight<Runtime>,
+		pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
+		BridgeRejectObsoleteHeadersAndMessages,
+		bridge_to_polkadot_config::OnBridgeHubPolkadotRefundBridgeHubKusamaMessages,
+		frame_metadata_hash_extension::CheckMetadataHash<Runtime>,
+	),
+>;
 
 bridge_runtime_common::generate_bridge_reject_obsolete_headers_and_messages! {
 	RuntimeCall, AccountId,
@@ -390,6 +393,10 @@ impl pallet_message_queue::Config for Runtime {
 
 impl cumulus_pallet_aura_ext::Config for Runtime {}
 
+impl cumulus_pallet_weight_reclaim::Config for Runtime {
+	type WeightInfo = weights::cumulus_pallet_weight_reclaim::WeightInfo<Runtime>;
+}
+
 parameter_types! {
 	// Fellows pluralistic body.
 	pub const FellowsBodyId: BodyId = BodyId::Technical;
@@ -535,6 +542,7 @@ construct_runtime!(
 		ParachainSystem: cumulus_pallet_parachain_system = 1,
 		Timestamp: pallet_timestamp = 2,
 		ParachainInfo: parachain_info = 3,
+		WeightReclaim: cumulus_pallet_weight_reclaim = 4,
 
 		// Monetary stuff.
 		Balances: pallet_balances = 10,
@@ -593,6 +601,7 @@ mod benches {
 		[pallet_transaction_payment, TransactionPayment]
 		[pallet_collator_selection, CollatorSelection]
 		[cumulus_pallet_parachain_system, ParachainSystem]
+		[cumulus_pallet_weight_reclaim, WeightReclaim]
 		[cumulus_pallet_xcmp_queue, XcmpQueue]
 		// XCM
 		[pallet_xcm, PalletXcmExtrinsicsBenchmark::<Runtime>]