Fix XCM Teleport Benchmark (#4146)

* fix xcm benchmark

* fix overflow

* cargo run --quiet --release --features=runtime-benchmarks -- benchmark --chain=westend-dev --steps=50 --repeat=20 --pallet=pallet_xcm_benchmarks::fungible --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --template=./xcm/pallet-xcm-benchmarks/template.hbs --output=./runtime/westend/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs

* fix spelling

* fmt

* cargo run --quiet --release --features=runtime-benchmarks -- benchmark --chain=westend-dev --steps=50 --repeat=20 --pallet=pallet_xcm_benchmarks::fungible --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --template=./xcm/pallet-xcm-benchmarks/template.hbs --output=./runtime/westend/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs

Co-authored-by: Parity Bot <admin@parity.io>

polkadot/node/network/availability-recovery/src/futures_undead.rs

@@ -18,7 +18,7 @@
 //! futures will still get polled, but will not count towards length. So length will only count
 //! futures, which are still considered live.
 //!
-//! Usecase: If futures take longer than we would like them too, we may be able to request the data
+//! Use case: If futures take longer than we would like them too, we may be able to request the data
 //! from somewhere else as well. We don't really want to cancel the old future, because maybe it
 //! was almost done, thus we would have wasted time with our impatience. By simply making them
 //! not count towards length, we can make sure to have enough "live" requests ongoing, while at the

polkadot/runtime/common/src/elections.rs

@@ -70,7 +70,7 @@ pub type GenesisElectionOf<T> =
 /// pallet-election-provider-multi-phase.
 pub const MINER_MAX_ITERATIONS: u32 = 10;
 
-/// A source of random balance for the NPoS Solver, which is meant to be run by the offchain worker
+/// A source of random balance for the NPoS Solver, which is meant to be run by the off-chain worker
 /// election miner.
 pub struct OffchainRandomBalancing;
 impl frame_support::pallet_prelude::Get<Option<(usize, sp_npos_elections::ExtendedBalance)>>

polkadot/runtime/westend/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs

@@ -17,7 +17,7 @@
 //! Autogenerated weights for `pallet_xcm_benchmarks::fungible`
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 4.0.0-dev
-//! DATE: 2021-09-17, STEPS: `50`, REPEAT: 20, LOW RANGE: `[]`, HIGH RANGE: `[]`
+//! DATE: 2021-10-25, STEPS: `50`, REPEAT: 20, LOW RANGE: `[]`, HIGH RANGE: `[]`
 //! EXECUTION: Some(Wasm), WASM-EXECUTION: Compiled, CHAIN: Some("westend-dev"), DB CACHE: 128
 
 // Executed Command:
@@ -48,48 +48,59 @@ pub struct WeightInfo<T>(PhantomData<T>);
 impl<T: frame_system::Config> WeightInfo<T> {
 	// Storage: System Account (r:1 w:1)
 	pub(crate) fn withdraw_asset() -> Weight {
-		(39_691_000 as Weight)
+		(43_806_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
 	// Storage: System Account (r:2 w:2)
 	pub(crate) fn transfer_asset() -> Weight {
-		(62_616_000 as Weight)
+		(68_076_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
 	// Storage: System Account (r:2 w:2)
+	// Storage: XcmPallet SupportedVersion (r:1 w:0)
+	// Storage: XcmPallet VersionDiscoveryQueue (r:1 w:1)
+	// Storage: XcmPallet SafeXcmVersion (r:1 w:0)
 	// Storage: Dmp DownwardMessageQueueHeads (r:1 w:1)
 	// Storage: Dmp DownwardMessageQueues (r:1 w:1)
 	pub(crate) fn transfer_reserve_asset() -> Weight {
-		(86_642_000 as Weight)
+		(99_639_000 as Weight)
-			.saturating_add(T::DbWeight::get().reads(4 as Weight))
+			.saturating_add(T::DbWeight::get().reads(7 as Weight))
-			.saturating_add(T::DbWeight::get().writes(4 as Weight))
+			.saturating_add(T::DbWeight::get().writes(5 as Weight))
-	}
-	// Storage: Benchmark Override (r:0 w:0)
-	pub(crate) fn receive_teleported_asset() -> Weight {
-		(2_000_000_000_000 as Weight)
 	}
 	// Storage: System Account (r:1 w:1)
-	pub(crate) fn deposit_asset() -> Weight {
+	pub(crate) fn receive_teleported_asset() -> Weight {
-		(49_745_000 as Weight)
+		(38_670_000 as Weight)
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
 	// Storage: System Account (r:1 w:1)
+	pub(crate) fn deposit_asset() -> Weight {
+		(51_793_000 as Weight)
+			.saturating_add(T::DbWeight::get().reads(1 as Weight))
+			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+	}
+	// Storage: System Account (r:1 w:1)
+	// Storage: XcmPallet SupportedVersion (r:1 w:0)
+	// Storage: XcmPallet VersionDiscoveryQueue (r:1 w:1)
+	// Storage: XcmPallet SafeXcmVersion (r:1 w:0)
 	// Storage: Dmp DownwardMessageQueueHeads (r:1 w:1)
 	// Storage: Dmp DownwardMessageQueues (r:1 w:1)
 	pub(crate) fn deposit_reserve_asset() -> Weight {
-		(75_318_000 as Weight)
+		(85_782_000 as Weight)
-			.saturating_add(T::DbWeight::get().reads(3 as Weight))
+			.saturating_add(T::DbWeight::get().reads(6 as Weight))
-			.saturating_add(T::DbWeight::get().writes(3 as Weight))
+			.saturating_add(T::DbWeight::get().writes(4 as Weight))
 	}
 	// Storage: System Account (r:1 w:1)
+	// Storage: XcmPallet SupportedVersion (r:1 w:0)
+	// Storage: XcmPallet VersionDiscoveryQueue (r:1 w:1)
+	// Storage: XcmPallet SafeXcmVersion (r:1 w:0)
 	// Storage: Dmp DownwardMessageQueueHeads (r:1 w:1)
 	// Storage: Dmp DownwardMessageQueues (r:1 w:1)
 	pub(crate) fn initiate_teleport() -> Weight {
-		(75_467_000 as Weight)
+		(84_873_000 as Weight)
-			.saturating_add(T::DbWeight::get().reads(3 as Weight))
+			.saturating_add(T::DbWeight::get().reads(6 as Weight))
-			.saturating_add(T::DbWeight::get().writes(3 as Weight))
+			.saturating_add(T::DbWeight::get().writes(4 as Weight))
 	}
 }

polkadot/xcm/pallet-xcm-benchmarks/src/fungible/benchmarking.rs

@@ -17,8 +17,11 @@
 use super::*;
 use crate::{account_and_location, new_executor, worst_case_holding, AssetTransactorOf, XcmCallOf};
 use frame_benchmarking::{benchmarks_instance_pallet, BenchmarkError, BenchmarkResult};
-use frame_support::{pallet_prelude::Get, traits::fungible::Inspect};
+use frame_support::{
-use sp_runtime::traits::Zero;
+	pallet_prelude::Get,
+	traits::fungible::{Inspect, Mutate},
+};
+use sp_runtime::traits::{Bounded, Zero};
 use sp_std::{convert::TryInto, prelude::*, vec};
 use xcm::latest::prelude::*;
 use xcm_executor::traits::{Convert, TransactAsset};
@@ -106,11 +109,19 @@ benchmarks_instance_pallet! {
 
 	receive_teleported_asset {
 		// If there is no trusted teleporter, then we skip this benchmark.
-		let (trusted_teleporter, teleportable_asset) = T::TrustedTeleporter::get().ok_or(
+		let (trusted_teleporter, teleportable_asset) = T::TrustedTeleporter::get()
-			BenchmarkError::Override(
+			.ok_or(BenchmarkError::Skip)?;
-				BenchmarkResult::from_weight(T::BlockWeights::get().max_block)
+
-			)
+		if let Some(checked_account) = T::CheckedAccount::get() {
-		)?;
+			T::TransactAsset::mint_into(
+				&checked_account,
+				<
+					T::TransactAsset
+					as
+					Inspect<T::AccountId>
+				>::Balance::max_value() / 2u32.into(),
+			)?;
+		}
 
 		let assets: MultiAssets = vec![ teleportable_asset ].into();
 

polkadot/xcm/pallet-xcm-benchmarks/src/fungible/mock.rs

@@ -131,7 +131,7 @@ impl xcm_executor::Config for XcmConfig {
 	type AssetTransactor = AssetTransactor;
 	type OriginConverter = ();
 	type IsReserve = ();
-	type IsTeleporter = ();
+	type IsTeleporter = TrustedTeleporters;
 	type LocationInverter = xcm_builder::LocationInverter<Ancestry>;
 	type Barrier = AllowUnpaidExecutionFrom<Everything>;
 	type Weigher = xcm_builder::FixedWeightBounds<UnitWeightCost, Call, MaxInstructions>;
@@ -153,12 +153,17 @@ impl crate::Config for Test {
 	}
 }
 
+pub type TrustedTeleporters = (xcm_builder::Case<TeleConcreteFung>,);
+
 parameter_types! {
 	pub const CheckedAccount: Option<u64> = Some(100);
+	pub const ChildTeleporter: MultiLocation = Parachain(1000).into();
 	pub const TrustedTeleporter: Option<(MultiLocation, MultiAsset)> = Some((
-		X1(OnlyChild).into(),
+		ChildTeleporter::get(),
 		MultiAsset { id: Concrete(Here.into()), fun: Fungible(100) },
 	));
+	pub const TeleConcreteFung: (MultiAssetFilter, MultiLocation) =
+		(Wild(AllOf { fun: WildFungible, id: Concrete(Here.into()) }), ChildTeleporter::get());
 }
 
 impl xcm_balances_benchmark::Config for Test {

polkadot/xcm/pallet-xcm/src/lib.rs

@@ -179,7 +179,7 @@ pub mod pallet {
 		/// \[ origin location, id, expected location \]
 		InvalidResponder(MultiLocation, QueryId, Option<MultiLocation>),
 		/// Expected query response has been received but the expected origin location placed in
-		/// storate by this runtime previously cannot be decoded. The query remains registered.
+		/// storage by this runtime previously cannot be decoded. The query remains registered.
 		///
 		/// This is unexpected (since a location placed in storage in a previously executing
 		/// runtime should be readable prior to query timeout) and dangerous since the possibly

polkadot/xcm/pallet-xcm/src/tests.rs

@@ -861,7 +861,7 @@ fn subscriber_side_subscription_works() {
 	});
 }
 
-/// We should autosubscribe when we don't know the remote's version.
+/// We should auto-subscribe when we don't know the remote's version.
 #[test]
 fn auto_subscription_works() {
 	new_test_ext_with_balances(vec![]).execute_with(|| {