pallet-xcm: API changes to use VersionedAssetId instead of u32 to specify asset for fees

bridges/testing/environments/rococo-westend/bridges_rococo_westend.sh

@@ -367,7 +367,7 @@ case "$1" in
           "$(jq --null-input '{ "V5": { "parents": 2, "interior": { "X2": [ { "GlobalConsensus": { ByGenesis: '$WESTEND_GENESIS_HASH' } }, { "Parachain": 1000 } ] } } }')" \
           "$(jq --null-input '{ "V5": { "parents": 0, "interior": { "X1": [{ "AccountId32": { "id": [212, 53, 147, 199, 21, 253, 211, 28, 97, 20, 26, 189, 4, 169, 159, 214, 130, 44, 133, 88, 133, 76, 205, 227, 154, 86, 132, 231, 165, 109, 162, 125] } }] } } }')" \
           "$(jq --null-input '{ "V5": [ { "id": { "parents": 1, "interior": "Here" }, "fun": { "Fungible": '$amount' } } ] }')" \
-          0 \
+          "$(jq --null-input '{ "V5": { "parents": 1, "interior": "Here" } }')" \
           "Unlimited"
       ;;
   withdraw-reserve-assets-from-asset-hub-rococo-local)
@@ -380,7 +380,7 @@ case "$1" in
           "$(jq --null-input '{ "V5": { "parents": 2, "interior": { "X2": [ { "GlobalConsensus": { ByGenesis: '$WESTEND_GENESIS_HASH' } }, { "Parachain": 1000 } ] } } }')" \
           "$(jq --null-input '{ "V5": { "parents": 0, "interior": { "X1": [{ "AccountId32": { "id": [212, 53, 147, 199, 21, 253, 211, 28, 97, 20, 26, 189, 4, 169, 159, 214, 130, 44, 133, 88, 133, 76, 205, 227, 154, 86, 132, 231, 165, 109, 162, 125] } }] } } }')" \
           "$(jq --null-input '{ "V5": [ { "id": { "parents": 2, "interior": { "X1": [{ "GlobalConsensus": { ByGenesis: '$WESTEND_GENESIS_HASH' } }] } }, "fun": { "Fungible": '$amount' } } ] }')" \
-          0 \
+          "$(jq --null-input '{ "V5": { "parents": 2, "interior": { "X1": [{ "GlobalConsensus": { ByGenesis: '$WESTEND_GENESIS_HASH' } }] } } }')" \
           "Unlimited"
       ;;
   reserve-transfer-assets-from-asset-hub-westend-local)
@@ -393,7 +393,7 @@ case "$1" in
           "$(jq --null-input '{ "V5": { "parents": 2, "interior": { "X2": [ { "GlobalConsensus": { ByGenesis: '$ROCOCO_GENESIS_HASH' } }, { "Parachain": 1000 } ] } } }')" \
           "$(jq --null-input '{ "V5": { "parents": 0, "interior": { "X1": [{ "AccountId32": { "id": [212, 53, 147, 199, 21, 253, 211, 28, 97, 20, 26, 189, 4, 169, 159, 214, 130, 44, 133, 88, 133, 76, 205, 227, 154, 86, 132, 231, 165, 109, 162, 125] } }] } } }')" \
           "$(jq --null-input '{ "V5": [ { "id": { "parents": 1, "interior": "Here" }, "fun": { "Fungible": '$amount' } } ] }')" \
-          0 \
+          "$(jq --null-input '{ "V5": { "parents": 1, "interior": "Here" } }')" \
           "Unlimited"
       ;;
   withdraw-reserve-assets-from-asset-hub-westend-local)
@@ -406,7 +406,7 @@ case "$1" in
           "$(jq --null-input '{ "V5": { "parents": 2, "interior": { "X2": [ { "GlobalConsensus": { ByGenesis: '$ROCOCO_GENESIS_HASH' } }, { "Parachain": 1000 } ] } } }')" \
           "$(jq --null-input '{ "V5": { "parents": 0, "interior": { "X1": [{ "AccountId32": { "id": [212, 53, 147, 199, 21, 253, 211, 28, 97, 20, 26, 189, 4, 169, 159, 214, 130, 44, 133, 88, 133, 76, 205, 227, 154, 86, 132, 231, 165, 109, 162, 125] } }] } } }')" \
           "$(jq --null-input '{ "V5": [ { "id": { "parents": 2, "interior": { "X1": [{ "GlobalConsensus": { ByGenesis: '$ROCOCO_GENESIS_HASH' } }] } }, "fun": { "Fungible": '$amount' } } ] }')" \
-          0 \
+          "$(jq --null-input '{ "V5": { "parents": 2, "interior": { "X1": [{ "GlobalConsensus": { ByGenesis: '$ROCOCO_GENESIS_HASH' } }] } } }')" \
           "Unlimited"
       ;;
   claim-rewards-bridge-hub-rococo-local)

bridges/testing/framework/utils/bridges.sh

@@ -284,15 +284,15 @@ function limited_reserve_transfer_assets() {
     local destination=$3
     local beneficiary=$4
     local assets=$5
-    local fee_asset_item=$6
+    local fee_asset_id=$6
     local weight_limit=$7
     echo "  calling limited_reserve_transfer_assets:"
     echo "      url: ${url}"
     echo "      seed: ${seed}"
     echo "      destination: ${destination}"
     echo "      beneficiary: ${beneficiary}"
     echo "      assets: ${assets}"
-    echo "      fee_asset_item: ${fee_asset_item}"
+    echo "      fee_asset_id: ${fee_asset_id}"
     echo "      weight_limit: ${weight_limit}"
     echo ""
     echo "--------------------------------------------------"
@@ -304,7 +304,7 @@ function limited_reserve_transfer_assets() {
             "${destination}" \
             "${beneficiary}" \
             "${assets}" \
-            "${fee_asset_item}" \
+            "${fee_asset_id}" \
             "${weight_limit}"
 }
 

cumulus/parachains/common/src/impls.rs

@@ -182,7 +182,7 @@ where
 					.into(),
 			),
 			Box::new((Parent, imbalance).into()),
-			0,
+			Box::new(Parent.into()),
 			WeightLimit::Unlimited,
 		);
 

cumulus/parachains/integration-tests/emulated/common/src/macros.rs

@@ -65,14 +65,13 @@ pub use crate::{ASSETS_PALLET_ID, USDT_ID};
 
 #[macro_export]
 macro_rules! test_parachain_is_trusted_teleporter {
-	( $sender_para:ty, vec![$( $receiver_para:ty ),+], ($assets:expr, $amount:expr), $xcm_call:ident ) => {
+	( $sender_para:ty, vec![$( $receiver_para:ty ),+], ($assets:expr, $amount:expr), $fee_asset_id:expr, $xcm_call:ident ) => {
 		$crate::macros::paste::paste! {
 			// init Origin variables
 			let sender = [<$sender_para Sender>]::get();
 			let mut para_sender_balance_before =
 				<$sender_para as $crate::macros::Chain>::account_data_of(sender.clone()).free;
 			let origin = <$sender_para as $crate::macros::Chain>::RuntimeOrigin::signed(sender.clone());
-			let fee_asset_item = 0;
 			let weight_limit = $crate::macros::WeightLimit::Unlimited;
 
 			$(
@@ -93,7 +92,7 @@ macro_rules! test_parachain_is_trusted_teleporter {
 						dest: Box::new(para_destination.clone().into()),
 						beneficiary: Box::new(beneficiary.clone().into()),
 						assets: Box::new($assets.clone().into()),
-						fee_asset_item: fee_asset_item,
+						fee_asset_id: Box::new($fee_asset_id.clone().into()),
 						weight_limit: weight_limit.clone(),
 					});
 
@@ -202,13 +201,14 @@ macro_rules! test_parachain_is_trusted_teleporter {
 
 #[macro_export]
 macro_rules! test_relay_is_trusted_teleporter {
-	( $sender_relay:ty, vec![$( $receiver_para:ty ),+], ($assets:expr, $amount:expr), $xcm_call:ident ) => {
+	( $sender_relay:ty, vec![$( $receiver_para:ty ),+], $amount:expr, $xcm_call:ident ) => {
 		$crate::macros::paste::paste! {
 			// init Origin variables
 			let sender = [<$sender_relay Sender>]::get();
 			let mut relay_sender_balance_before =
 				<$sender_relay as $crate::macros::Chain>::account_data_of(sender.clone()).free;
-			let fee_asset_item = 0;
+			let assets: $crate::macros::Assets = ($crate::macros::Here, $amount).into();
+			let fee_asset_id: $crate::macros::AssetId = ($crate::macros::Here).into();
 			let weight_limit = $crate::macros::WeightLimit::Unlimited;
 
 			$(
@@ -228,8 +228,8 @@ macro_rules! test_relay_is_trusted_teleporter {
 						$crate::macros::pallet_xcm::Call::$xcm_call {
 						dest: Box::new(para_destination.clone().into()),
 						beneficiary: Box::new(beneficiary.clone().into()),
-						assets: Box::new($assets.clone().into()),
-						fee_asset_item: fee_asset_item,
+						assets: Box::new(assets.clone().into()),
+						fee_asset_id: Box::new(fee_asset_id.clone().into()),
 						weight_limit: weight_limit.clone(),
 					});
 
@@ -350,7 +350,7 @@ macro_rules! test_parachain_is_trusted_teleporter_for_relay {
 				<$sender_para as $crate::macros::Chain>::account_data_of(sender.clone()).free;
 			let origin = <$sender_para as $crate::macros::Chain>::RuntimeOrigin::signed(sender.clone());
 			let assets: $crate::macros::Assets = ($crate::macros::Parent, $amount).into();
-			let fee_asset_item = 0;
+			let fee_asset_id: $crate::macros::AssetId = ($crate::macros::Parent).into();
 			let weight_limit = $crate::macros::WeightLimit::Unlimited;
 
 			// We need to mint funds into the checking account of `$receiver_relay`
@@ -376,7 +376,7 @@ macro_rules! test_parachain_is_trusted_teleporter_for_relay {
 				dest: Box::new(relay_destination.clone().into()),
 				beneficiary: Box::new(beneficiary.clone().into()),
 				assets: Box::new(assets.clone().into()),
-				fee_asset_item: fee_asset_item,
+				fee_asset_id: Box::new(fee_asset_id.clone().into()),
 				weight_limit: weight_limit.clone(),
 			});
 
@@ -667,7 +667,7 @@ macro_rules! test_can_estimate_and_pay_exact_fees {
 					$amount,
 					($asset_id, $amount).into(),
 					None,
-					0,
+					($asset_id).into(),
 				),
 			};
 			let mut test = ParaToParaThroughAHTest::new(test_args);

cumulus/parachains/integration-tests/emulated/common/src/xcm_helpers.rs

@@ -65,18 +65,18 @@ pub fn xcm_transact_unpaid_execution(
 }
 
 /// Helper method to get the non-fee asset used in multiple assets transfer
-pub fn non_fee_asset(assets: &Assets, fee_idx: usize) -> Option<(Location, u128)> {
-	let asset = assets.inner().into_iter().enumerate().find(|a| a.0 != fee_idx)?.1.clone();
+pub fn non_fee_asset(assets: &Assets, fee_asset_id: &AssetId) -> Option<(Location, u128)> {
+	let asset = assets.inner().into_iter().find(|a| a.id != *fee_asset_id)?;
 	let asset_amount = match asset.fun {
 		Fungible(amount) => amount,
 		_ => return None,
 	};
-	Some((asset.id.0, asset_amount))
+	Some((asset.id.0.clone(), asset_amount))
 }
 
 /// Helper method to get the fee asset used in multiple assets transfer
-pub fn fee_asset(assets: &Assets, fee_idx: usize) -> Option<(Location, u128)> {
-	let asset = assets.get(fee_idx)?;
+pub fn fee_asset(assets: &Assets, fee_asset_id: &AssetId) -> Option<(Location, u128)> {
+	let asset = assets.inner().iter().find(|a| a.id == *fee_asset_id)?;
 	let asset_amount = match asset.fun {
 		Fungible(amount) => amount,
 		_ => return None,

cumulus/parachains/integration-tests/emulated/tests/assets/asset-hub-rococo/src/tests/hybrid_transfers.rs

@@ -52,8 +52,14 @@ fn para_to_para_assethub_hop_assertions(t: ParaToParaThroughAHTest) {
 }
 
 fn ah_to_para_transfer_assets(t: SystemParaToParaTest) -> DispatchResult {
-	let fee_idx = t.args.fee_asset_item as usize;
-	let fee: Asset = t.args.assets.inner().get(fee_idx).cloned().unwrap();
+	let fee: Asset = t
+		.args
+		.assets
+		.inner()
+		.iter()
+		.find(|a| a.id == t.args.fee_asset_id)
+		.cloned()
+		.unwrap();
 	let custom_xcm_on_dest = Xcm::<()>(vec![DepositAsset {
 		assets: Wild(AllCounted(t.args.assets.len() as u32)),
 		beneficiary: t.args.beneficiary,
@@ -71,8 +77,14 @@ fn ah_to_para_transfer_assets(t: SystemParaToParaTest) -> DispatchResult {
 }
 
 fn para_to_ah_transfer_assets(t: ParaToSystemParaTest) -> DispatchResult {
-	let fee_idx = t.args.fee_asset_item as usize;
-	let fee: Asset = t.args.assets.inner().get(fee_idx).cloned().unwrap();
+	let fee: Asset = t
+		.args
+		.assets
+		.inner()
+		.iter()
+		.find(|a| a.id == t.args.fee_asset_id)
+		.cloned()
+		.unwrap();
 	let custom_xcm_on_dest = Xcm::<()>(vec![DepositAsset {
 		assets: Wild(AllCounted(t.args.assets.len() as u32)),
 		beneficiary: t.args.beneficiary,
@@ -90,8 +102,14 @@ fn para_to_ah_transfer_assets(t: ParaToSystemParaTest) -> DispatchResult {
 }
 
 fn para_to_para_transfer_assets_through_ah(t: ParaToParaThroughAHTest) -> DispatchResult {
-	let fee_idx = t.args.fee_asset_item as usize;
-	let fee: Asset = t.args.assets.inner().get(fee_idx).cloned().unwrap();
+	let fee: Asset = t
+		.args
+		.assets
+		.inner()
+		.iter()
+		.find(|a| a.id == t.args.fee_asset_id)
+		.cloned()
+		.unwrap();
 	let asset_hub_location: Location = PenpalA::sibling_location_of(AssetHubRococo::para_id());
 	let custom_xcm_on_dest = Xcm::<()>(vec![DepositAsset {
 		assets: Wild(AllCounted(t.args.assets.len() as u32)),
@@ -110,8 +128,14 @@ fn para_to_para_transfer_assets_through_ah(t: ParaToParaThroughAHTest) -> Dispat
 }
 
 fn para_to_asset_hub_teleport_foreign_assets(t: ParaToSystemParaTest) -> DispatchResult {
-	let fee_idx = t.args.fee_asset_item as usize;
-	let fee: Asset = t.args.assets.inner().get(fee_idx).cloned().unwrap();
+	let fee: Asset = t
+		.args
+		.assets
+		.inner()
+		.iter()
+		.find(|a| a.id == t.args.fee_asset_id)
+		.cloned()
+		.unwrap();
 	let custom_xcm_on_dest = Xcm::<()>(vec![DepositAsset {
 		assets: Wild(AllCounted(t.args.assets.len() as u32)),
 		beneficiary: t.args.beneficiary,
@@ -129,8 +153,14 @@ fn para_to_asset_hub_teleport_foreign_assets(t: ParaToSystemParaTest) -> Dispatc
 }
 
 fn asset_hub_to_para_teleport_foreign_assets(t: SystemParaToParaTest) -> DispatchResult {
-	let fee_idx = t.args.fee_asset_item as usize;
-	let fee: Asset = t.args.assets.inner().get(fee_idx).cloned().unwrap();
+	let fee: Asset = t
+		.args
+		.assets
+		.inner()
+		.iter()
+		.find(|a| a.id == t.args.fee_asset_id)
+		.cloned()
+		.unwrap();
 	let custom_xcm_on_dest = Xcm::<()>(vec![DepositAsset {
 		assets: Wild(AllCounted(t.args.assets.len() as u32)),
 		beneficiary: t.args.beneficiary,
@@ -202,7 +232,6 @@ fn transfer_foreign_assets_from_asset_hub_to_para() {
 		(wnd_at_rococo_parachains.clone(), foreign_amount_to_send).into(),
 	];
 	let fee_asset_id = AssetId(Parent.into());
-	let fee_asset_item = assets.iter().position(|a| a.id == fee_asset_id).unwrap() as u32;
 
 	// Init Test
 	let test_args = TestContext {
@@ -214,7 +243,7 @@ fn transfer_foreign_assets_from_asset_hub_to_para() {
 			native_amount_to_send,
 			assets.into(),
 			None,
-			fee_asset_item,
+			fee_asset_id,
 		),
 	};
 	let mut test = SystemParaToParaTest::new(test_args);
@@ -357,7 +386,6 @@ fn transfer_foreign_assets_from_para_to_asset_hub() {
 		(wnd_at_rococo_parachains.clone(), foreign_amount_to_send).into(),
 	];
 	let fee_asset_id = AssetId(Parent.into());
-	let fee_asset_item = assets.iter().position(|a| a.id == fee_asset_id).unwrap() as u32;
 
 	// Init Test
 	let test_args = TestContext {
@@ -369,7 +397,7 @@ fn transfer_foreign_assets_from_para_to_asset_hub() {
 			native_amount_to_send,
 			assets.into(),
 			None,
-			fee_asset_item,
+			fee_asset_id,
 		),
 	};
 	let mut test = ParaToSystemParaTest::new(test_args);
@@ -525,7 +553,6 @@ fn transfer_foreign_assets_from_para_to_para_through_asset_hub() {
 		(wnd_at_rococo_parachains.clone(), wnd_to_send).into(),
 	];
 	let fee_asset_id: AssetId = roc_location.clone().into();
-	let fee_asset_item = assets.iter().position(|a| a.id == fee_asset_id).unwrap() as u32;
 
 	// Init Test
 	let test_args = TestContext {
@@ -537,7 +564,7 @@ fn transfer_foreign_assets_from_para_to_para_through_asset_hub() {
 			roc_to_send,
 			assets.into(),
 			None,
-			fee_asset_item,
+			fee_asset_id,
 		),
 	};
 	let mut test = ParaToParaThroughAHTest::new(test_args);
@@ -750,8 +777,14 @@ fn transfer_native_asset_from_relay_to_para_through_asset_hub() {
 		);
 	}
 	fn transfer_assets_dispatchable(t: RelayToParaThroughAHTest) -> DispatchResult {
-		let fee_idx = t.args.fee_asset_item as usize;
-		let fee: Asset = t.args.assets.inner().get(fee_idx).cloned().unwrap();
+		let fee: Asset = t
+			.args
+			.assets
+			.inner()
+			.iter()
+			.find(|a| a.id == t.args.fee_asset_id)
+			.cloned()
+			.unwrap();
 		let asset_hub_location = Rococo::child_location_of(AssetHubRococo::para_id());
 		let context = RococoUniversalLocation::get();