Bridge hub kusama fine-tuning before release

parachains/runtimes/bridge-hubs/bridge-hub-kusama/src/constants.rs

@@ -20,6 +20,7 @@ pub mod currency {
 	/// The existential deposit. Set to 1/10 of its parent Relay Chain.
 	pub const EXISTENTIAL_DEPOSIT: Balance = constants::currency::EXISTENTIAL_DEPOSIT / 10;
 
+	pub const UNITS: Balance = constants::currency::UNITS;
 	pub const CENTS: Balance = constants::currency::CENTS;
 	pub const MILLICENTS: Balance = constants::currency::MILLICENTS;
 

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

@@ -439,6 +439,10 @@ mod benches {
 		[pallet_timestamp, Timestamp]
 		[pallet_collator_selection, CollatorSelection]
 		[cumulus_pallet_xcmp_queue, XcmpQueue]
+		// XCM
+		// NOTE: Make sure you point to the individual modules below.
+		[pallet_xcm_benchmarks::fungible, XcmBalances]
+		[pallet_xcm_benchmarks::generic, XcmGeneric]
 	);
 }
 
@@ -579,6 +583,12 @@ impl_runtime_apis! {
 			use frame_system_benchmarking::Pallet as SystemBench;
 			use cumulus_pallet_session_benchmarking::Pallet as SessionBench;
 
+			// This is defined once again in dispatch_benchmark, because list_benchmarks!
+			// and add_benchmarks! are macros exported by define_benchmarks! macros and those types
+			// are referenced in that call.
+			type XcmBalances = pallet_xcm_benchmarks::fungible::Pallet::<Runtime>;
+			type XcmGeneric = pallet_xcm_benchmarks::generic::Pallet::<Runtime>;
+
 			let mut list = Vec::<BenchmarkList>::new();
 			list_benchmarks!(list, extra);
 
@@ -589,14 +599,85 @@ impl_runtime_apis! {
 		fn dispatch_benchmark(
 			config: frame_benchmarking::BenchmarkConfig
 		) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, sp_runtime::RuntimeString> {
-			use frame_benchmarking::{Benchmarking, BenchmarkBatch, TrackedStorageKey};
+			use frame_benchmarking::{Benchmarking, BenchmarkBatch, BenchmarkError, TrackedStorageKey};
 
 			use frame_system_benchmarking::Pallet as SystemBench;
 			impl frame_system_benchmarking::Config for Runtime {}
 
 			use cumulus_pallet_session_benchmarking::Pallet as SessionBench;
 			impl cumulus_pallet_session_benchmarking::Config for Runtime {}
 
+			use xcm::latest::prelude::*;
+			use xcm_config::KsmRelayLocation;
+
+			impl pallet_xcm_benchmarks::Config for Runtime {
+				type XcmConfig = xcm_config::XcmConfig;
+				type AccountIdConverter = xcm_config::LocationToAccountId;
+				fn valid_destination() -> Result<MultiLocation, BenchmarkError> {
+					Ok(KsmRelayLocation::get())
+				}
+				fn worst_case_holding() -> MultiAssets {
+					// just concrete assets according to relay chain.
+					let assets: Vec<MultiAsset> = vec![
+						MultiAsset {
+							id: Concrete(KsmRelayLocation::get()),
+							fun: Fungible(1_000_000 * UNITS),
+						}
+					];
+					assets.into()
+				}
+			}
+
+			parameter_types! {
+				pub const TrustedTeleporter: Option<(MultiLocation, MultiAsset)> = Some((
+					KsmRelayLocation::get(),
+					MultiAsset { fun: Fungible(1 * UNITS), id: Concrete(KsmRelayLocation::get()) },
+				));
+				pub const TrustedReserve: Option<(MultiLocation, MultiAsset)> = None;
+				pub const CheckedAccount: Option<AccountId> = None;
+			}
+
+			impl pallet_xcm_benchmarks::fungible::Config for Runtime {
+				type TransactAsset = Balances;
+
+				type CheckedAccount = CheckedAccount;
+				type TrustedTeleporter = TrustedTeleporter;
+				type TrustedReserve = TrustedReserve;
+
+				fn get_multi_asset() -> MultiAsset {
+					MultiAsset {
+						id: Concrete(KsmRelayLocation::get()),
+						fun: Fungible(1 * UNITS),
+					}
+				}
+			}
+
+			impl pallet_xcm_benchmarks::generic::Config for Runtime {
+				type RuntimeCall = RuntimeCall;
+
+				fn worst_case_response() -> (u64, Response) {
+					(0u64, Response::Version(Default::default()))
+				}
+
+				fn transact_origin() -> Result<MultiLocation, BenchmarkError> {
+					Ok(KsmRelayLocation::get())
+				}
+
+				fn subscribe_origin() -> Result<MultiLocation, BenchmarkError> {
+					Ok(KsmRelayLocation::get())
+				}
+
+				fn claimable_asset() -> Result<(MultiLocation, MultiLocation, MultiAssets), BenchmarkError> {
+					let origin = KsmRelayLocation::get();
+					let assets: MultiAssets = (Concrete(KsmRelayLocation::get()), 1_000 * UNITS).into();
+					let ticket = MultiLocation { parents: 0, interior: Here };
+					Ok((origin, ticket, assets))
+				}
+			}
+
+			type XcmBalances = pallet_xcm_benchmarks::fungible::Pallet::<Runtime>;
+			type XcmGeneric = pallet_xcm_benchmarks::generic::Pallet::<Runtime>;
+
 			let whitelist: Vec<TrackedStorageKey> = vec![
 				// Block Number
 				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef702a5c1b19ab7a04f536c519aca4983ac").to_vec().into(),
@@ -614,7 +695,6 @@ impl_runtime_apis! {
 			let params = (&config, &whitelist);
 			add_benchmarks!(params, batches);
 
-			if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }
 			Ok(batches)
 		}
 	}

parachains/runtimes/bridge-hubs/bridge-hub-kusama/src/weights/mod.rs

@@ -29,6 +29,7 @@ pub mod pallet_timestamp;
 pub mod pallet_utility;
 pub mod paritydb_weights;
 pub mod rocksdb_weights;
+pub mod xcm;
 
 pub use block_weights::constants::BlockExecutionWeight;
 pub use extrinsic_weights::constants::ExtrinsicBaseWeight;

parachains/runtimes/bridge-hubs/bridge-hub-kusama/src/weights/xcm/mod.rs

@@ -0,0 +1,188 @@
+// Copyright 2022 Parity Technologies (UK) Ltd.
+// This file is part of Cumulus.
+
+// Cumulus is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Cumulus is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
+
+mod pallet_xcm_benchmarks_fungible;
+mod pallet_xcm_benchmarks_generic;
+
+use crate::Runtime;
+use frame_support::weights::Weight;
+use pallet_xcm_benchmarks_fungible::WeightInfo as XcmFungibleWeight;
+use pallet_xcm_benchmarks_generic::WeightInfo as XcmGeneric;
+use sp_std::{cmp, prelude::*};
+use xcm::{
+	latest::{prelude::*, Weight as XCMWeight},
+	DoubleEncoded,
+};
+
+trait WeighMultiAssets {
+	fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight;
+}
+
+const MAX_ASSETS: u32 = 100;
+
+impl WeighMultiAssets for MultiAssetFilter {
+	fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight {
+		let weight = match self {
+			Self::Definite(assets) =>
+				weight.saturating_mul(assets.inner().into_iter().count() as u64),
+			Self::Wild(_) => weight.saturating_mul(MAX_ASSETS as u64),
+		};
+		weight.ref_time()
+	}
+}
+
+impl WeighMultiAssets for MultiAssets {
+	fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight {
+		weight.saturating_mul(self.inner().into_iter().count() as u64).ref_time()
+	}
+}
+
+pub struct BridgeHubKusamaXcmWeight<Call>(core::marker::PhantomData<Call>);
+impl<Call> XcmWeightInfo<Call> for BridgeHubKusamaXcmWeight<Call> {
+	fn withdraw_asset(assets: &MultiAssets) -> XCMWeight {
+		assets.weigh_multi_assets(XcmFungibleWeight::<Runtime>::withdraw_asset())
+	}
+	// Currently there is no trusted reserve
+	fn reserve_asset_deposited(_assets: &MultiAssets) -> XCMWeight {
+		u64::MAX
+	}
+	fn receive_teleported_asset(assets: &MultiAssets) -> XCMWeight {
+		assets.weigh_multi_assets(XcmFungibleWeight::<Runtime>::receive_teleported_asset())
+	}
+	fn query_response(_query_id: &u64, _response: &Response, _max_weight: &u64) -> XCMWeight {
+		XcmGeneric::<Runtime>::query_response().ref_time()
+	}
+	fn transfer_asset(assets: &MultiAssets, _dest: &MultiLocation) -> XCMWeight {
+		assets.weigh_multi_assets(XcmFungibleWeight::<Runtime>::transfer_asset())
+	}
+	fn transfer_reserve_asset(
+		assets: &MultiAssets,
+		_dest: &MultiLocation,
+		_xcm: &Xcm<()>,
+	) -> XCMWeight {
+		assets.weigh_multi_assets(XcmFungibleWeight::<Runtime>::transfer_reserve_asset())
+	}
+	fn transact(
+		_origin_type: &OriginKind,
+		_require_weight_at_most: &u64,
+		_call: &DoubleEncoded<Call>,
+	) -> XCMWeight {
+		XcmGeneric::<Runtime>::transact().ref_time()
+	}
+	fn hrmp_new_channel_open_request(
+		_sender: &u32,
+		_max_message_size: &u32,
+		_max_capacity: &u32,
+	) -> XCMWeight {
+		// XCM Executor does not currently support HRMP channel operations
+		Weight::MAX.ref_time()
+	}
+	fn hrmp_channel_accepted(_recipient: &u32) -> XCMWeight {
+		// XCM Executor does not currently support HRMP channel operations
+		Weight::MAX.ref_time()
+	}
+	fn hrmp_channel_closing(_initiator: &u32, _sender: &u32, _recipient: &u32) -> XCMWeight {
+		// XCM Executor does not currently support HRMP channel operations
+		Weight::MAX.ref_time()
+	}
+	fn clear_origin() -> XCMWeight {
+		XcmGeneric::<Runtime>::clear_origin().ref_time()
+	}
+	fn descend_origin(_who: &InteriorMultiLocation) -> XCMWeight {
+		XcmGeneric::<Runtime>::descend_origin().ref_time()
+	}
+	fn report_error(
+		_query_id: &QueryId,
+		_dest: &MultiLocation,
+		_max_response_weight: &u64,
+	) -> XCMWeight {
+		XcmGeneric::<Runtime>::report_error().ref_time()
+	}
+
+	fn deposit_asset(
+		assets: &MultiAssetFilter,
+		_max_assets: &u32,
+		_dest: &MultiLocation,
+	) -> XCMWeight {
+		// Hardcoded till the XCM pallet is fixed
+		let hardcoded_weight = Weight::from_ref_time(1_000_000_000 as u64).ref_time();
+		let weight = assets.weigh_multi_assets(XcmFungibleWeight::<Runtime>::deposit_asset());
+		cmp::min(hardcoded_weight, weight)
+	}
+	fn deposit_reserve_asset(
+		assets: &MultiAssetFilter,
+		_max_assets: &u32,
+		_dest: &MultiLocation,
+		_xcm: &Xcm<()>,
+	) -> XCMWeight {
+		assets.weigh_multi_assets(XcmFungibleWeight::<Runtime>::deposit_reserve_asset())
+	}
+	fn exchange_asset(_give: &MultiAssetFilter, _receive: &MultiAssets) -> XCMWeight {
+		Weight::MAX.ref_time()
+	}
+	fn initiate_reserve_withdraw(
+		assets: &MultiAssetFilter,
+		_reserve: &MultiLocation,
+		_xcm: &Xcm<()>,
+	) -> XCMWeight {
+		assets.weigh_multi_assets(XcmGeneric::<Runtime>::initiate_reserve_withdraw())
+	}
+	fn initiate_teleport(
+		assets: &MultiAssetFilter,
+		_dest: &MultiLocation,
+		_xcm: &Xcm<()>,
+	) -> XCMWeight {
+		// Hardcoded till the XCM pallet is fixed
+		let hardcoded_weight = Weight::from_ref_time(200_000_000 as u64).ref_time();
+		let weight = assets.weigh_multi_assets(XcmFungibleWeight::<Runtime>::initiate_teleport());
+		cmp::min(hardcoded_weight, weight)
+	}
+	fn query_holding(
+		_query_id: &u64,
+		_dest: &MultiLocation,
+		_assets: &MultiAssetFilter,
+		_max_response_weight: &u64,
+	) -> XCMWeight {
+		XcmGeneric::<Runtime>::query_holding().ref_time()
+	}
+	fn buy_execution(_fees: &MultiAsset, _weight_limit: &WeightLimit) -> XCMWeight {
+		XcmGeneric::<Runtime>::buy_execution().ref_time()
+	}
+	fn refund_surplus() -> XCMWeight {
+		XcmGeneric::<Runtime>::refund_surplus().ref_time()
+	}
+	fn set_error_handler(_xcm: &Xcm<Call>) -> XCMWeight {
+		XcmGeneric::<Runtime>::set_error_handler().ref_time()
+	}
+	fn set_appendix(_xcm: &Xcm<Call>) -> XCMWeight {
+		XcmGeneric::<Runtime>::set_appendix().ref_time()
+	}
+	fn clear_error() -> XCMWeight {
+		XcmGeneric::<Runtime>::clear_error().ref_time()
+	}
+	fn claim_asset(_assets: &MultiAssets, _ticket: &MultiLocation) -> XCMWeight {
+		XcmGeneric::<Runtime>::claim_asset().ref_time()
+	}
+	fn trap(_code: &u64) -> XCMWeight {
+		XcmGeneric::<Runtime>::trap().ref_time()
+	}
+	fn subscribe_version(_query_id: &QueryId, _max_response_weight: &u64) -> XCMWeight {
+		XcmGeneric::<Runtime>::subscribe_version().ref_time()
+	}
+	fn unsubscribe_version() -> XCMWeight {
+		XcmGeneric::<Runtime>::unsubscribe_version().ref_time()
+	}
+}