[xcm-v5] implement RFC#122: InitiateTransfer can alias XCM original origin on destination

bridges/snowbridge/primitives/router/src/inbound/mod.rs

@@ -458,8 +458,10 @@ where
 {
 	fn convert_location(location: &Location) -> Option<AccountId> {
 		match location.unpack() {
-			(_, [GlobalConsensus(Ethereum { chain_id })]) =>
+			(2, [GlobalConsensus(Ethereum { chain_id })]) =>
 				Some(Self::from_chain_id(chain_id).into()),
+			(2, [GlobalConsensus(Ethereum { chain_id }), AccountKey20 { network: _, key }]) =>
+				Some(Self::from_chain_id_with_key(chain_id, *key).into()),
 			_ => None,
 		}
 	}
@@ -469,4 +471,7 @@ impl<AccountId> GlobalConsensusEthereumConvertsFor<AccountId> {
 	pub fn from_chain_id(chain_id: &u64) -> [u8; 32] {
 		(b"ethereum-chain", chain_id).using_encoded(blake2_256)
 	}
+	pub fn from_chain_id_with_key(chain_id: &u64, key: [u8; 20]) -> [u8; 32] {
+		(b"ethereum-chain", chain_id, key).using_encoded(blake2_256)
+	}
 }

cumulus/parachains/integration-tests/emulated/tests/assets/asset-hub-westend/Cargo.toml

@@ -31,6 +31,7 @@ pallet-asset-tx-payment = { workspace = true }
 # Polkadot
 polkadot-runtime-common = { workspace = true, default-features = true }
 xcm = { workspace = true }
+xcm-builder = { workspace = true }
 xcm-executor = { workspace = true }
 pallet-xcm = { workspace = true }
 xcm-runtime-apis = { workspace = true }

cumulus/parachains/integration-tests/emulated/tests/assets/asset-hub-westend/src/lib.rs

@@ -26,7 +26,10 @@ mod imports {
 	};
 
 	// Polkadot
-	pub use xcm::prelude::{AccountId32 as AccountId32Junction, *};
+	pub use xcm::{
+		latest::AssetTransferFilter,
+		prelude::{AccountId32 as AccountId32Junction, *},
+	};
 	pub use xcm_executor::traits::TransferType;
 
 	// Cumulus
@@ -42,7 +45,7 @@ mod imports {
 		xcm_helpers::{
 			get_amount_from_versioned_assets, non_fee_asset, xcm_transact_paid_execution,
 		},
-		ASSETS_PALLET_ID, RESERVABLE_ASSET_ID, XCM_V3,
+		ASSETS_PALLET_ID, RESERVABLE_ASSET_ID, USDT_ID, XCM_V3,
 	};
 	pub use parachains_common::{AccountId, Balance};
 	pub use westend_system_emulated_network::{
@@ -68,6 +71,7 @@ mod imports {
 				CustomizableAssetFromSystemAssetHub as PenpalCustomizableAssetFromSystemAssetHub,
 				LocalReservableFromAssetHub as PenpalLocalReservableFromAssetHub,
 				LocalTeleportableToAssetHub as PenpalLocalTeleportableToAssetHub,
+				UniversalLocation as PenpalUniversalLocation,
 				UsdtFromAssetHub as PenpalUsdtFromAssetHub,
 			},
 			PenpalAParaPallet as PenpalAPallet, PenpalAssetOwner,

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

@@ -18,7 +18,6 @@ use crate::{
 	imports::*,
 	tests::teleport::do_bidirectional_teleport_foreign_assets_between_para_and_asset_hub_using_xt,
 };
-use xcm::latest::AssetTransferFilter;
 
 fn para_to_para_assethub_hop_assertions(t: ParaToParaThroughAHTest) {
 	type RuntimeEvent = <AssetHubWestend as Chain>::RuntimeEvent;
@@ -851,6 +850,7 @@ fn bidirectional_transfer_multiple_assets_between_penpal_and_asset_hub() {
 			InitiateTransfer {
 				destination: t.args.dest,
 				remote_fees: Some(AssetTransferFilter::ReserveWithdraw(fees.into())),
+				preserve_origin: false,
 				assets: vec![AssetTransferFilter::Teleport(assets.into())],
 				remote_xcm: xcm_on_dest,
 			},
@@ -886,6 +886,7 @@ fn bidirectional_transfer_multiple_assets_between_penpal_and_asset_hub() {
 			InitiateTransfer {
 				destination: t.args.dest,
 				remote_fees: Some(AssetTransferFilter::ReserveDeposit(fees.into())),
+				preserve_origin: false,
 				assets: vec![AssetTransferFilter::Teleport(assets.into())],
 				remote_xcm: xcm_on_dest,
 			},

cumulus/parachains/integration-tests/emulated/tests/assets/asset-hub-westend/src/tests/mod.rs

@@ -22,5 +22,82 @@ mod set_asset_claimer;
 mod set_xcm_versions;
 mod swap;
 mod teleport;
+mod transact;
 mod treasury;
 mod xcm_fee_estimation;
+
+#[macro_export]
+macro_rules! foreign_balance_on {
+	( $chain:ident, $id:expr, $who:expr ) => {
+		emulated_integration_tests_common::impls::paste::paste! {
+			<$chain>::execute_with(|| {
+				type ForeignAssets = <$chain as [<$chain Pallet>]>::ForeignAssets;
+				<ForeignAssets as Inspect<_>>::balance($id, $who)
+			})
+		}
+	};
+}
+
+#[macro_export]
+macro_rules! create_pool_with_wnd_on {
+	( $chain:ident, $asset_id:expr, $is_foreign:expr, $asset_owner:expr ) => {
+		emulated_integration_tests_common::impls::paste::paste! {
+			<$chain>::execute_with(|| {
+				type RuntimeEvent = <$chain as Chain>::RuntimeEvent;
+				let owner = $asset_owner;
+				let signed_owner = <$chain as Chain>::RuntimeOrigin::signed(owner.clone());
+				let wnd_location: Location = Parent.into();
+				if $is_foreign {
+					assert_ok!(<$chain as [<$chain Pallet>]>::ForeignAssets::mint(
+						signed_owner.clone(),
+						$asset_id.clone().into(),
+						owner.clone().into(),
+						10_000_000_000_000, // For it to have more than enough.
+					));
+				} else {
+					let asset_id = match $asset_id.interior.last() {
+						Some(GeneralIndex(id)) => *id as u32,
+						_ => unreachable!(),
+					};
+					assert_ok!(<$chain as [<$chain Pallet>]>::Assets::mint(
+						signed_owner.clone(),
+						asset_id.into(),
+						owner.clone().into(),
+						10_000_000_000_000, // For it to have more than enough.
+					));
+				}
+
+				assert_ok!(<$chain as [<$chain Pallet>]>::AssetConversion::create_pool(
+					signed_owner.clone(),
+					Box::new(wnd_location.clone()),
+					Box::new($asset_id.clone()),
+				));
+
+				assert_expected_events!(
+					$chain,
+					vec![
+						RuntimeEvent::AssetConversion(pallet_asset_conversion::Event::PoolCreated { .. }) => {},
+					]
+				);
+
+				assert_ok!(<$chain as [<$chain Pallet>]>::AssetConversion::add_liquidity(
+					signed_owner,
+					Box::new(wnd_location),
+					Box::new($asset_id),
+					1_000_000_000_000,
+					2_000_000_000_000, // $asset_id is worth half of wnd
+					0,
+					0,
+					owner.into()
+				));
+
+				assert_expected_events!(
+					$chain,
+					vec![
+						RuntimeEvent::AssetConversion(pallet_asset_conversion::Event::LiquidityAdded { .. }) => {},
+					]
+				);
+			});
+		}
+	};
+}