Implement XcmPaymentApi and DryRunApi on all system parachains

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/Cargo.toml

@@ -66,6 +66,7 @@ polkadot-runtime-common = { path = "../../../../../polkadot/runtime/common", def
 xcm = { package = "staging-xcm", path = "../../../../../polkadot/xcm", default-features = false }
 xcm-builder = { package = "staging-xcm-builder", path = "../../../../../polkadot/xcm/xcm-builder", default-features = false }
 xcm-executor = { package = "staging-xcm-executor", path = "../../../../../polkadot/xcm/xcm-executor", default-features = false }
+xcm-fee-payment-runtime-api = { path = "../../../../../polkadot/xcm/xcm-fee-payment-runtime-api", default-features = false }
 
 # Cumulus
 cumulus-pallet-aura-ext = { path = "../../../../pallets/aura-ext", default-features = false }
@@ -220,6 +221,7 @@ std = [
 	"tuplex/std",
 	"xcm-builder/std",
 	"xcm-executor/std",
+	"xcm-fee-payment-runtime-api/std",
 	"xcm/std",
 ]
 
@@ -262,6 +264,7 @@ runtime-benchmarks = [
 	"sp-runtime/runtime-benchmarks",
 	"xcm-builder/runtime-benchmarks",
 	"xcm-executor/runtime-benchmarks",
+	"xcm-fee-payment-runtime-api/runtime-benchmarks",
 ]
 
 try-runtime = [

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs

@@ -70,7 +70,7 @@ use frame_support::{
 	genesis_builder_helper::{build_state, get_preset},
 	parameter_types,
 	traits::{ConstBool, ConstU32, ConstU64, ConstU8, Get, TransformOrigin},
-	weights::{ConstantMultiplier, Weight},
+	weights::{ConstantMultiplier, Weight, WeightToFee as _},
 	PalletId,
 };
 use frame_system::{
@@ -97,7 +97,11 @@ pub use sp_runtime::BuildStorage;
 
 use polkadot_runtime_common::{BlockHashCount, SlowAdjustingFeeUpdate};
 use rococo_runtime_constants::system_parachain::{ASSET_HUB_ID, BRIDGE_HUB_ID};
-use xcm::latest::prelude::*;
+use xcm::prelude::*;
+use xcm_fee_payment_runtime_api::{
+	dry_run::{CallDryRunEffects, Error as XcmDryRunApiError, XcmDryRunEffects},
+	fees::Error as XcmPaymentApiError,
+};
 
 use weights::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight};
 
@@ -962,6 +966,55 @@ impl_runtime_apis! {
 		}
 	}
 
+	impl xcm_fee_payment_runtime_api::fees::XcmPaymentApi<Block> for Runtime {
+		fn query_acceptable_payment_assets(xcm_version: xcm::Version) -> Result<Vec<VersionedAssetId>, XcmPaymentApiError> {
+			let acceptable = vec![
+				// native token
+				VersionedAssetId::from(AssetId(xcm_config::TokenLocation::get()))
+			];
+
+			Ok(acceptable
+				.into_iter()
+				.filter_map(|asset| asset.into_version(xcm_version).ok())
+				.collect())
+		}
+
+		fn query_weight_to_asset_fee(weight: Weight, asset: VersionedAssetId) -> Result<u128, XcmPaymentApiError> {
+			match asset.try_as::<AssetId>() {
+				Ok(asset_id) if asset_id.0 == xcm_config::TokenLocation::get() => {
+					// for native token
+					Ok(WeightToFee::weight_to_fee(&weight))
+				},
+				Ok(asset_id) => {
+					log::trace!(target: "xcm::xcm_fee_payment_runtime_api", "query_weight_to_asset_fee - unhandled asset_id: {asset_id:?}!");
+					Err(XcmPaymentApiError::AssetNotFound)
+				},
+				Err(_) => {
+					log::trace!(target: "xcm::xcm_fee_payment_runtime_api", "query_weight_to_asset_fee - failed to convert asset: {asset:?}!");
+					Err(XcmPaymentApiError::VersionedConversionFailed)
+				}
+			}
+		}
+
+		fn query_xcm_weight(message: VersionedXcm<()>) -> Result<Weight, XcmPaymentApiError> {
+			PolkadotXcm::query_xcm_weight(message)
+		}
+
+		fn query_delivery_fees(destination: VersionedLocation, message: VersionedXcm<()>) -> Result<VersionedAssets, XcmPaymentApiError> {
+			PolkadotXcm::query_delivery_fees(destination, message)
+		}
+	}
+
+	impl xcm_fee_payment_runtime_api::dry_run::DryRunApi<Block, RuntimeCall, RuntimeEvent, OriginCaller> for Runtime {
+		fn dry_run_call(origin: OriginCaller, call: RuntimeCall) -> Result<CallDryRunEffects<RuntimeEvent>, XcmDryRunApiError> {
+			PolkadotXcm::dry_run_call::<Runtime, xcm_config::XcmRouter, OriginCaller, RuntimeCall>(origin, call)
+		}
+
+		fn dry_run_xcm(origin_location: VersionedLocation, xcm: VersionedXcm<RuntimeCall>) -> Result<XcmDryRunEffects<RuntimeEvent>, XcmDryRunApiError> {
+			PolkadotXcm::dry_run_xcm::<Runtime, xcm_config::XcmRouter, RuntimeCall, xcm_config::XcmConfig>(origin_location, xcm)
+		}
+	}
+
 	impl cumulus_primitives_core::CollectCollationInfo<Block> for Runtime {
 		fn collect_collation_info(header: &<Block as BlockT>::Header) -> cumulus_primitives_core::CollationInfo {
 			ParachainSystem::collect_collation_info(header)

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/Cargo.toml

@@ -62,6 +62,7 @@ polkadot-runtime-common = { path = "../../../../../polkadot/runtime/common", def
 xcm = { package = "staging-xcm", path = "../../../../../polkadot/xcm", default-features = false }
 xcm-builder = { package = "staging-xcm-builder", path = "../../../../../polkadot/xcm/xcm-builder", default-features = false }
 xcm-executor = { package = "staging-xcm-executor", path = "../../../../../polkadot/xcm/xcm-executor", default-features = false }
+xcm-fee-payment-runtime-api = { path = "../../../../../polkadot/xcm/xcm-fee-payment-runtime-api", default-features = false }
 
 # Cumulus
 cumulus-pallet-aura-ext = { path = "../../../../pallets/aura-ext", default-features = false }
@@ -185,6 +186,7 @@ std = [
 	"westend-runtime-constants/std",
 	"xcm-builder/std",
 	"xcm-executor/std",
+	"xcm-fee-payment-runtime-api/std",
 	"xcm/std",
 ]
 
@@ -219,6 +221,7 @@ runtime-benchmarks = [
 	"sp-runtime/runtime-benchmarks",
 	"xcm-builder/runtime-benchmarks",
 	"xcm-executor/runtime-benchmarks",
+	"xcm-fee-payment-runtime-api/runtime-benchmarks",
 ]
 
 try-runtime = [

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/lib.rs

@@ -64,7 +64,7 @@ use frame_support::{
 	genesis_builder_helper::{build_state, get_preset},
 	parameter_types,
 	traits::{ConstBool, ConstU32, ConstU64, ConstU8, Get, TransformOrigin},
-	weights::{ConstantMultiplier, Weight},
+	weights::{ConstantMultiplier, Weight, WeightToFee as _},
 	PalletId,
 };
 use frame_system::{
@@ -75,13 +75,18 @@ pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;
 pub use sp_runtime::{MultiAddress, Perbill, Permill};
 use xcm_config::{XcmOriginToTransactDispatchOrigin, XcmRouter};
 
+use xcm_fee_payment_runtime_api::{
+	dry_run::{CallDryRunEffects, Error as XcmDryRunApiError, XcmDryRunEffects},
+	fees::Error as XcmPaymentApiError,
+};
+
 use bp_runtime::HeaderId;
 
 #[cfg(any(feature = "std", test))]
 pub use sp_runtime::BuildStorage;
 
 use polkadot_runtime_common::{BlockHashCount, SlowAdjustingFeeUpdate};
-use xcm::latest::prelude::*;
+use xcm::prelude::*;
 
 use weights::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight};
 
@@ -711,6 +716,55 @@ impl_runtime_apis! {
 		}
 	}
 
+	impl xcm_fee_payment_runtime_api::fees::XcmPaymentApi<Block> for Runtime {
+		fn query_acceptable_payment_assets(xcm_version: xcm::Version) -> Result<Vec<VersionedAssetId>, XcmPaymentApiError> {
+			let acceptable = vec![
+				// native token
+				VersionedAssetId::from(AssetId(xcm_config::WestendLocation::get()))
+			];
+
+			Ok(acceptable
+				.into_iter()
+				.filter_map(|asset| asset.into_version(xcm_version).ok())
+				.collect())
+		}
+
+		fn query_weight_to_asset_fee(weight: Weight, asset: VersionedAssetId) -> Result<u128, XcmPaymentApiError> {
+			match asset.try_as::<AssetId>() {
+				Ok(asset_id) if asset_id.0 == xcm_config::WestendLocation::get() => {
+					// for native token
+					Ok(WeightToFee::weight_to_fee(&weight))
+				},
+				Ok(asset_id) => {
+					log::trace!(target: "xcm::xcm_fee_payment_runtime_api", "query_weight_to_asset_fee - unhandled asset_id: {asset_id:?}!");
+					Err(XcmPaymentApiError::AssetNotFound)
+				},
+				Err(_) => {
+					log::trace!(target: "xcm::xcm_fee_payment_runtime_api", "query_weight_to_asset_fee - failed to convert asset: {asset:?}!");
+					Err(XcmPaymentApiError::VersionedConversionFailed)
+				}
+			}
+		}
+
+		fn query_xcm_weight(message: VersionedXcm<()>) -> Result<Weight, XcmPaymentApiError> {
+			PolkadotXcm::query_xcm_weight(message)
+		}
+
+		fn query_delivery_fees(destination: VersionedLocation, message: VersionedXcm<()>) -> Result<VersionedAssets, XcmPaymentApiError> {
+			PolkadotXcm::query_delivery_fees(destination, message)
+		}
+	}
+
+	impl xcm_fee_payment_runtime_api::dry_run::DryRunApi<Block, RuntimeCall, RuntimeEvent, OriginCaller> for Runtime {
+		fn dry_run_call(origin: OriginCaller, call: RuntimeCall) -> Result<CallDryRunEffects<RuntimeEvent>, XcmDryRunApiError> {
+			PolkadotXcm::dry_run_call::<Runtime, xcm_config::XcmRouter, OriginCaller, RuntimeCall>(origin, call)
+		}
+
+		fn dry_run_xcm(origin_location: VersionedLocation, xcm: VersionedXcm<RuntimeCall>) -> Result<XcmDryRunEffects<RuntimeEvent>, XcmDryRunApiError> {
+			PolkadotXcm::dry_run_xcm::<Runtime, xcm_config::XcmRouter, RuntimeCall, xcm_config::XcmConfig>(origin_location, xcm)
+		}
+	}
+
 	impl cumulus_primitives_core::CollectCollationInfo<Block> for Runtime {
 		fn collect_collation_info(header: &<Block as BlockT>::Header) -> cumulus_primitives_core::CollationInfo {
 			ParachainSystem::collect_collation_info(header)

cumulus/parachains/runtimes/collectives/collectives-westend/Cargo.toml

@@ -66,6 +66,7 @@ polkadot-runtime-common = { path = "../../../../../polkadot/runtime/common", def
 xcm = { package = "staging-xcm", path = "../../../../../polkadot/xcm", default-features = false }
 xcm-builder = { package = "staging-xcm-builder", path = "../../../../../polkadot/xcm/xcm-builder", default-features = false }
 xcm-executor = { package = "staging-xcm-executor", path = "../../../../../polkadot/xcm/xcm-executor", default-features = false }
+xcm-fee-payment-runtime-api = { path = "../../../../../polkadot/xcm/xcm-fee-payment-runtime-api", default-features = false }
 westend-runtime-constants = { path = "../../../../../polkadot/runtime/westend/constants", default-features = false }
 
 # Cumulus
@@ -130,6 +131,7 @@ runtime-benchmarks = [
 	"sp-runtime/runtime-benchmarks",
 	"xcm-builder/runtime-benchmarks",
 	"xcm-executor/runtime-benchmarks",
+	"xcm-fee-payment-runtime-api/runtime-benchmarks",
 ]
 try-runtime = [
 	"cumulus-pallet-aura-ext/try-runtime",
@@ -236,6 +238,7 @@ std = [
 	"westend-runtime-constants/std",
 	"xcm-builder/std",
 	"xcm-executor/std",
+	"xcm-fee-payment-runtime-api/std",
 	"xcm/std",
 ]
 

cumulus/parachains/runtimes/collectives/collectives-westend/src/lib.rs

@@ -73,7 +73,7 @@ use frame_support::{
 		fungible::HoldConsideration, ConstBool, ConstU16, ConstU32, ConstU64, ConstU8,
 		EitherOfDiverse, InstanceFilter, LinearStoragePrice, TransformOrigin,
 	},
-	weights::{ConstantMultiplier, Weight},
+	weights::{ConstantMultiplier, Weight, WeightToFee as _},
 	PalletId,
 };
 use frame_system::{
@@ -103,7 +103,11 @@ use pallet_xcm::{EnsureXcm, IsVoiceOfBody};
 use polkadot_runtime_common::{
 	impls::VersionedLocatableAsset, BlockHashCount, SlowAdjustingFeeUpdate,
 };
-use xcm::latest::{prelude::*, BodyId};
+use xcm::prelude::*;
+use xcm_fee_payment_runtime_api::{
+	dry_run::{CallDryRunEffects, Error as XcmDryRunApiError, XcmDryRunEffects},
+	fees::Error as XcmPaymentApiError,
+};
 
 use weights::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight};
 
@@ -936,6 +940,55 @@ impl_runtime_apis! {
 		}
 	}
 
+	impl xcm_fee_payment_runtime_api::fees::XcmPaymentApi<Block> for Runtime {
+		fn query_acceptable_payment_assets(xcm_version: xcm::Version) -> Result<Vec<VersionedAssetId>, XcmPaymentApiError> {
+			let acceptable = vec![
+				// native token
+				VersionedAssetId::from(AssetId(xcm_config::WndLocation::get()))
+			];
+
+			Ok(acceptable
+				.into_iter()
+				.filter_map(|asset| asset.into_version(xcm_version).ok())
+				.collect())
+		}
+
+		fn query_weight_to_asset_fee(weight: Weight, asset: VersionedAssetId) -> Result<u128, XcmPaymentApiError> {
+			match asset.try_as::<AssetId>() {
+				Ok(asset_id) if asset_id.0 == xcm_config::WndLocation::get() => {
+					// for native token
+					Ok(WeightToFee::weight_to_fee(&weight))
+				},
+				Ok(asset_id) => {
+					log::trace!(target: "xcm::xcm_fee_payment_runtime_api", "query_weight_to_asset_fee - unhandled asset_id: {asset_id:?}!");
+					Err(XcmPaymentApiError::AssetNotFound)
+				},
+				Err(_) => {
+					log::trace!(target: "xcm::xcm_fee_payment_runtime_api", "query_weight_to_asset_fee - failed to convert asset: {asset:?}!");
+					Err(XcmPaymentApiError::VersionedConversionFailed)
+				}
+			}
+		}
+
+		fn query_xcm_weight(message: VersionedXcm<()>) -> Result<Weight, XcmPaymentApiError> {
+			PolkadotXcm::query_xcm_weight(message)
+		}
+
+		fn query_delivery_fees(destination: VersionedLocation, message: VersionedXcm<()>) -> Result<VersionedAssets, XcmPaymentApiError> {
+			PolkadotXcm::query_delivery_fees(destination, message)
+		}
+	}
+
+	impl xcm_fee_payment_runtime_api::dry_run::DryRunApi<Block, RuntimeCall, RuntimeEvent, OriginCaller> for Runtime {
+		fn dry_run_call(origin: OriginCaller, call: RuntimeCall) -> Result<CallDryRunEffects<RuntimeEvent>, XcmDryRunApiError> {
+			PolkadotXcm::dry_run_call::<Runtime, xcm_config::XcmRouter, OriginCaller, RuntimeCall>(origin, call)
+		}
+
+		fn dry_run_xcm(origin_location: VersionedLocation, xcm: VersionedXcm<RuntimeCall>) -> Result<XcmDryRunEffects<RuntimeEvent>, XcmDryRunApiError> {
+			PolkadotXcm::dry_run_xcm::<Runtime, xcm_config::XcmRouter, RuntimeCall, xcm_config::XcmConfig>(origin_location, xcm)
+		}
+	}
+
 	impl cumulus_primitives_core::CollectCollationInfo<Block> for Runtime {
 		fn collect_collation_info(header: &<Block as BlockT>::Header) -> cumulus_primitives_core::CollationInfo {
 			ParachainSystem::collect_collation_info(header)