xcm-emulator: add Rococo<>Westend bridge and add tests for assets transfers over the bridge (#2251)

- switch from Rococo<>Wococo to Rococo<>Westend bridge - add bidirectional simple tests - remove Wococo chains from xcm-emulator - added tests for assets transfers over Rococo<>Westend bridge fixes https://github.com/paritytech/parity-bridges-common/issues/2405
2026-04-26 04:07:57 +00:00 · 2023-11-14 14:47:04 +02:00
parent a393cfcb28
commit 39cc95740a
30 changed files with 711 additions and 469 deletions
@@ -1119,22 +1119,6 @@ dependencies = [
 "westend-runtime-constants",
 ]

-[[package]]
-name = "asset-hub-wococo-emulated-chain"
-version = "0.0.0"
-dependencies = [
- "asset-hub-rococo-emulated-chain",
- "asset-hub-rococo-runtime",
- "cumulus-primitives-core",
- "emulated-integration-tests-common",
- "frame-support",
- "parachains-common",
- "serde_json",
- "sp-core",
- "sp-runtime",
- "wococo-emulated-chain",
-]
-
 [[package]]
 name = "asset-test-utils"
 version = "1.0.0"
@@ -2202,12 +2186,14 @@ dependencies = [
 "cumulus-pallet-xcmp-queue",
 "emulated-integration-tests-common",
 "frame-support",
+ "pallet-assets",
+ "pallet-balances",
 "pallet-bridge-messages",
 "pallet-message-queue",
 "pallet-xcm",
 "parachains-common",
 "parity-scale-codec",
- "rococo-wococo-system-emulated-network",
+ "rococo-westend-system-emulated-network",
 "staging-xcm",
 "staging-xcm-executor",
 ]
@@ -2370,14 +2356,16 @@ dependencies = [
 "cumulus-pallet-xcmp-queue",
 "emulated-integration-tests-common",
 "frame-support",
+ "pallet-assets",
+ "pallet-balances",
 "pallet-bridge-messages",
 "pallet-message-queue",
 "pallet-xcm",
 "parachains-common",
 "parity-scale-codec",
+ "rococo-westend-system-emulated-network",
 "staging-xcm",
 "staging-xcm-executor",
- "westend-system-emulated-network",
 ]

 [[package]]
@@ -2463,21 +2451,6 @@ dependencies = [
 "westend-runtime-constants",
 ]

-[[package]]
-name = "bridge-hub-wococo-emulated-chain"
-version = "0.0.0"
-dependencies = [
- "bridge-hub-rococo-emulated-chain",
- "bridge-hub-rococo-runtime",
- "cumulus-primitives-core",
- "emulated-integration-tests-common",
- "frame-support",
- "parachains-common",
- "serde_json",
- "sp-core",
- "sp-runtime",
-]
-
 [[package]]
 name = "bridge-runtime-common"
 version = "0.1.0"
@@ -14578,16 +14551,16 @@ dependencies = [
 ]

 [[package]]
-name = "rococo-wococo-system-emulated-network"
+name = "rococo-westend-system-emulated-network"
 version = "0.0.0"
 dependencies = [
 "asset-hub-rococo-emulated-chain",
- "asset-hub-wococo-emulated-chain",
+ "asset-hub-westend-emulated-chain",
 "bridge-hub-rococo-emulated-chain",
- "bridge-hub-wococo-emulated-chain",
+ "bridge-hub-westend-emulated-chain",
 "emulated-integration-tests-common",
 "rococo-emulated-chain",
- "wococo-emulated-chain",
+ "westend-emulated-chain",
 ]

 [[package]]
@@ -21236,37 +21209,6 @@ dependencies = [
 "windows-sys 0.48.0",
 ]

-[[package]]
-name = "wococo-emulated-chain"
-version = "0.0.0"
-dependencies = [
- "emulated-integration-tests-common",
- "pallet-im-online",
- "parachains-common",
- "polkadot-primitives",
- "rococo-emulated-chain",
- "rococo-runtime",
- "rococo-runtime-constants",
- "sc-consensus-grandpa",
- "serde_json",
- "sp-authority-discovery",
- "sp-consensus-babe",
- "sp-consensus-beefy",
- "sp-core",
- "sp-runtime",
-]
-
-[[package]]
-name = "wococo-system-emulated-network"
-version = "0.0.0"
-dependencies = [
- "asset-hub-wococo-emulated-chain",
- "bridge-hub-wococo-emulated-chain",
- "emulated-integration-tests-common",
- "penpal-emulated-chain",
- "wococo-emulated-chain",
-]
-
 [[package]]
 name = "wyz"
 version = "0.5.1"
@@ -71,16 +71,13 @@ members = [
 	"cumulus/parachains/integration-tests/emulated/tests/bridges/bridge-hub-westend",
 	"cumulus/parachains/integration-tests/emulated/common",
 	"cumulus/parachains/integration-tests/emulated/chains/relays/rococo",
-	"cumulus/parachains/integration-tests/emulated/chains/relays/wococo",
 	"cumulus/parachains/integration-tests/emulated/chains/relays/westend",
 	"cumulus/parachains/integration-tests/emulated/chains/parachains/assets/asset-hub-rococo",
-	"cumulus/parachains/integration-tests/emulated/chains/parachains/assets/asset-hub-wococo",
 	"cumulus/parachains/integration-tests/emulated/chains/parachains/assets/asset-hub-westend",
 	"cumulus/parachains/integration-tests/emulated/chains/parachains/bridges/bridge-hub-rococo",
 	"cumulus/parachains/integration-tests/emulated/chains/parachains/bridges/bridge-hub-westend",
 	"cumulus/parachains/integration-tests/emulated/networks/rococo-system",
-	"cumulus/parachains/integration-tests/emulated/networks/wococo-system",
-	"cumulus/parachains/integration-tests/emulated/networks/rococo-wococo-system",
+    "cumulus/parachains/integration-tests/emulated/networks/rococo-westend-system",
 	"cumulus/parachains/integration-tests/emulated/networks/westend-system",
 	"cumulus/parachains/pallets/collective-content",
 	"cumulus/parachains/pallets/parachain-info",
@@ -21,7 +21,8 @@ use frame_support::traits::OnInitialize;
 // Cumulus
 use emulated_integration_tests_common::{
 	impl_accounts_helpers_for_parachain, impl_assert_events_helpers_for_parachain,
-	impl_assets_helpers_for_parachain, xcm_emulator::decl_test_parachains,
+	impl_assets_helpers_for_parachain, impl_foreign_assets_helpers_for_parachain, impls::Parachain,
+	xcm_emulator::decl_test_parachains,
 };
 use rococo_emulated_chain::Rococo;

@@ -53,3 +54,4 @@ decl_test_parachains! {
 impl_accounts_helpers_for_parachain!(AssetHubRococo);
 impl_assert_events_helpers_for_parachain!(AssetHubRococo, false);
 impl_assets_helpers_for_parachain!(AssetHubRococo, Rococo);
+impl_foreign_assets_helpers_for_parachain!(AssetHubRococo, Rococo);
@@ -21,7 +21,8 @@ use frame_support::traits::OnInitialize;
 // Cumulus
 use emulated_integration_tests_common::{
 	impl_accounts_helpers_for_parachain, impl_assert_events_helpers_for_parachain,
-	impl_assets_helpers_for_parachain, xcm_emulator::decl_test_parachains,
+	impl_assets_helpers_for_parachain, impl_foreign_assets_helpers_for_parachain, impls::Parachain,
+	xcm_emulator::decl_test_parachains,
 };
 use westend_emulated_chain::Westend;

@@ -53,3 +54,4 @@ decl_test_parachains! {
 impl_accounts_helpers_for_parachain!(AssetHubWestend);
 impl_assert_events_helpers_for_parachain!(AssetHubWestend, false);
 impl_assets_helpers_for_parachain!(AssetHubWestend, Westend);
+impl_foreign_assets_helpers_for_parachain!(AssetHubWestend, Westend);
@@ -1,26 +0,0 @@
-[package]
-name = "asset-hub-wococo-emulated-chain"
-version = "0.0.0"
-authors.workspace = true
-edition.workspace = true
-license = "Apache-2.0"
-description = "Asset Hub Wococo emulated chain"
-publish = false
-
-[dependencies]
-serde_json = "1.0.104"
-
-# Substrate
-sp-core = { path = "../../../../../../../../substrate/primitives/core", default-features = false }
-sp-runtime = { path = "../../../../../../../../substrate/primitives/runtime", default-features = false }
-frame-support = { path = "../../../../../../../../substrate/frame/support", default-features = false }
-
-# Polakadot
-parachains-common = { path = "../../../../../../../parachains/common" }
-
-# Cumulus
-cumulus-primitives-core = { path = "../../../../../../../primitives/core", default-features = false }
-emulated-integration-tests-common = { path = "../../../../common", default-features = false }
-asset-hub-rococo-runtime = { path = "../../../../../../runtimes/assets/asset-hub-rococo" }
-wococo-emulated-chain = { path = "../../../relays/wococo" }
-asset-hub-rococo-emulated-chain = { path = "../asset-hub-rococo" }
@@ -1,53 +0,0 @@
-// Copyright (C) Parity Technologies (UK) Ltd.
-// SPDX-License-Identifier: Apache-2.0
-
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// 	http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Substrate
-use frame_support::traits::OnInitialize;
-
-// Cumulus
-use emulated_integration_tests_common::{
-	impl_accounts_helpers_for_parachain, impl_assert_events_helpers_for_parachain,
-	impl_assets_helpers_for_parachain, xcm_emulator::decl_test_parachains,
-};
-use wococo_emulated_chain::Wococo;
-
-// AssetHubWococo Parachain declaration
-decl_test_parachains! {
-	pub struct AssetHubWococo {
-		genesis = asset_hub_rococo_emulated_chain::genesis::genesis(),
-		on_init = {
-			asset_hub_rococo_runtime::AuraExt::on_initialize(1);
-		},
-		runtime = asset_hub_rococo_runtime,
-		core = {
-			XcmpMessageHandler: asset_hub_rococo_runtime::XcmpQueue,
-			LocationToAccountId: asset_hub_rococo_runtime::xcm_config::LocationToAccountId,
-			ParachainInfo: asset_hub_rococo_runtime::ParachainInfo,
-		},
-		pallets = {
-			PolkadotXcm: asset_hub_rococo_runtime::PolkadotXcm,
-			Assets: asset_hub_rococo_runtime::Assets,
-			ForeignAssets: asset_hub_rococo_runtime::ForeignAssets,
-			PoolAssets: asset_hub_rococo_runtime::PoolAssets,
-			AssetConversion: asset_hub_rococo_runtime::AssetConversion,
-			Balances: asset_hub_rococo_runtime::Balances,
-		}
-	},
-}
-
-// AssetHubWococo implementation
-impl_accounts_helpers_for_parachain!(AssetHubWococo);
-impl_assert_events_helpers_for_parachain!(AssetHubWococo, false);
-impl_assets_helpers_for_parachain!(AssetHubWococo, Wococo);
@@ -21,7 +21,7 @@ use frame_support::traits::OnInitialize;
 // Cumulus
 use emulated_integration_tests_common::{
 	impl_accounts_helpers_for_parachain, impl_assert_events_helpers_for_parachain,
-	xcm_emulator::decl_test_parachains,
+	impls::Parachain, xcm_emulator::decl_test_parachains,
 };

 // BridgeHubRococo Parachain declaration
@@ -22,7 +22,7 @@ use emulated_integration_tests_common::{
 };
 use parachains_common::Balance;

-pub const PARA_ID: u32 = 1013;
+pub const PARA_ID: u32 = 1002;
 pub const ED: Balance = parachains_common::westend::currency::EXISTENTIAL_DEPOSIT;

 pub fn genesis() -> Storage {
@@ -21,7 +21,7 @@ use frame_support::traits::OnInitialize;
 // Cumulus
 use emulated_integration_tests_common::{
 	impl_accounts_helpers_for_parachain, impl_assert_events_helpers_for_parachain,
-	xcm_emulator::decl_test_parachains,
+	impls::Parachain, xcm_emulator::decl_test_parachains,
 };

 // BridgeHubWestend Parachain declaration
@@ -1,25 +0,0 @@
-[package]
-name = "bridge-hub-wococo-emulated-chain"
-version = "0.0.0"
-authors.workspace = true
-edition.workspace = true
-license = "Apache-2.0"
-description = "Bridge Hub Wococo emulated chain"
-publish = false
-
-[dependencies]
-serde_json = "1.0.104"
-
-# Substrate
-sp-core = { path = "../../../../../../../../substrate/primitives/core", default-features = false }
-sp-runtime = { path = "../../../../../../../../substrate/primitives/runtime", default-features = false }
-frame-support = { path = "../../../../../../../../substrate/frame/support", default-features = false }
-
-# Polakadot
-parachains-common = { path = "../../../../../../../parachains/common" }
-
-# Cumulus
-cumulus-primitives-core = { path = "../../../../../../../primitives/core", default-features = false }
-emulated-integration-tests-common = { path = "../../../../common", default-features = false }
-bridge-hub-rococo-runtime = { path = "../../../../../../runtimes/bridge-hubs/bridge-hub-rococo" }
-bridge-hub-rococo-emulated-chain = { path = "../bridge-hub-rococo" }
@@ -1,47 +0,0 @@
-// Copyright (C) Parity Technologies (UK) Ltd.
-// SPDX-License-Identifier: Apache-2.0
-
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// 	http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Substrate
-use frame_support::traits::OnInitialize;
-
-// Cumulus
-use emulated_integration_tests_common::{
-	impl_accounts_helpers_for_parachain, impl_assert_events_helpers_for_parachain,
-	xcm_emulator::decl_test_parachains,
-};
-
-// BridgeHubWococo Parachain declaration
-decl_test_parachains! {
-	pub struct BridgeHubWococo {
-		genesis = bridge_hub_rococo_emulated_chain::genesis::genesis(),
-		on_init = {
-			bridge_hub_rococo_runtime::AuraExt::on_initialize(1);
-		},
-		runtime = bridge_hub_rococo_runtime,
-		core = {
-			XcmpMessageHandler: bridge_hub_rococo_runtime::XcmpQueue,
-			LocationToAccountId: bridge_hub_rococo_runtime::xcm_config::LocationToAccountId,
-			ParachainInfo: bridge_hub_rococo_runtime::ParachainInfo,
-		},
-		pallets = {
-			PolkadotXcm: bridge_hub_rococo_runtime::PolkadotXcm,
-			Balances: bridge_hub_rococo_runtime::Balances,
-		}
-	},
-}
-
-// BridgeHubWococo implementation
-impl_accounts_helpers_for_parachain!(BridgeHubWococo);
-impl_assert_events_helpers_for_parachain!(BridgeHubWococo, false);
@@ -22,7 +22,7 @@ use frame_support::traits::OnInitialize;
 // Cumulus
 use emulated_integration_tests_common::{
 	impl_accounts_helpers_for_parachain, impl_assert_events_helpers_for_parachain,
-	impl_assets_helpers_for_parachain, xcm_emulator::decl_test_parachains,
+	impl_assets_helpers_for_parachain, impls::Parachain, xcm_emulator::decl_test_parachains,
 };
 use rococo_emulated_chain::Rococo;

@@ -1,30 +0,0 @@
-[package]
-name = "wococo-emulated-chain"
-version = "0.0.0"
-authors.workspace = true
-edition.workspace = true
-license = "Apache-2.0"
-description = "Wococo emulated chain"
-publish = false
-
-[dependencies]
-serde_json = "1.0.104"
-
-# Substrate
-sp-core = { path = "../../../../../../../substrate/primitives/core", default-features = false }
-sp-runtime = { path = "../../../../../../../substrate/primitives/runtime", default-features = false }
-sp-authority-discovery = { path = "../../../../../../../substrate/primitives/authority-discovery", default-features = false }
-sp-consensus-babe = { path = "../../../../../../../substrate/primitives/consensus/babe", default-features = false }
-beefy-primitives = { package = "sp-consensus-beefy", path = "../../../../../../../substrate/primitives/consensus/beefy" }
-grandpa = { package = "sc-consensus-grandpa", path = "../../../../../../../substrate/client/consensus/grandpa", default-features = false }
-pallet-im-online = { path = "../../../../../../../substrate/frame/im-online", default-features = false }
-
-# Polkadot
-polkadot-primitives = { path = "../../../../../../../polkadot/primitives", default-features = false }
-rococo-runtime-constants = { path = "../../../../../../../polkadot/runtime/rococo/constants", default-features = false }
-rococo-runtime = { path = "../../../../../../../polkadot/runtime/rococo" }
-
-# Cumulus
-parachains-common = { path = "../../../../../../parachains/common" }
-emulated-integration-tests-common = { path = "../../../common", default-features = false }
-rococo-emulated-chain = { path = "../rococo" }
@@ -1,46 +0,0 @@
-// Copyright (C) Parity Technologies (UK) Ltd.
-// SPDX-License-Identifier: Apache-2.0
-
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// 	http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Cumulus
-use emulated_integration_tests_common::{
-	impl_accounts_helpers_for_relay_chain, impl_assert_events_helpers_for_relay_chain,
-	impl_hrmp_channels_helpers_for_relay_chain, impl_send_transact_helpers_for_relay_chain,
-	xcm_emulator::decl_test_relay_chains,
-};
-
-// Wococo declaration
-decl_test_relay_chains! {
-	#[api_version(8)]
-	pub struct Wococo {
-		genesis = rococo_emulated_chain::genesis::genesis(),
-		on_init = (),
-		runtime = rococo_runtime,
-		core = {
-			SovereignAccountOf: rococo_runtime::xcm_config::LocationConverter,
-		},
-		pallets = {
-			XcmPallet: rococo_runtime::XcmPallet,
-			Sudo: rococo_runtime::Sudo,
-			Balances: rococo_runtime::Balances,
-			Hrmp: rococo_runtime::Hrmp,
-		}
-	},
-}
-
-// Wococo implementation
-impl_accounts_helpers_for_relay_chain!(Wococo);
-impl_assert_events_helpers_for_relay_chain!(Wococo);
-impl_hrmp_channels_helpers_for_relay_chain!(Wococo);
-impl_send_transact_helpers_for_relay_chain!(Wococo);
@@ -47,7 +47,8 @@ pub use xcm::{
 pub use cumulus_pallet_parachain_system;
 pub use cumulus_pallet_xcmp_queue;
 pub use cumulus_primitives_core::{
-	relay_chain::HrmpChannelId, DmpMessageHandler, ParaId, XcmpMessageHandler,
+	relay_chain::HrmpChannelId, DmpMessageHandler, Junction, Junctions, NetworkId, ParaId,
+	XcmpMessageHandler,
 };
 pub use parachains_common::{AccountId, Balance};
 pub use xcm_emulator::{
@@ -62,11 +63,14 @@ use bp_messages::{
 	LaneId, MessageKey, OutboundLaneData,
 };
 use bridge_runtime_common::messages_xcm_extension::XcmBlobMessageDispatchResult;
-pub use pallet_bridge_messages::Instance2 as BridgeMessagesInstance2;
-use pallet_bridge_messages::{Config, Instance1, OutboundLanes, Pallet};
+use pallet_bridge_messages::{Config, OutboundLanes, Pallet};
+pub use pallet_bridge_messages::{
+	Instance1 as BridgeMessagesInstance1, Instance2 as BridgeMessagesInstance2,
+	Instance3 as BridgeMessagesInstance3,
+};

-pub struct BridgeHubMessageHandler<S, T, I> {
-	_marker: std::marker::PhantomData<(S, T, I)>,
+pub struct BridgeHubMessageHandler<S, SI, T, TI> {
+	_marker: std::marker::PhantomData<(S, SI, T, TI)>,
 }

 struct LaneIdWrapper(LaneId);
@@ -83,13 +87,14 @@ impl From<u32> for LaneIdWrapper {
 	}
 }

-impl<S, T, I> BridgeMessageHandler for BridgeHubMessageHandler<S, T, I>
+impl<S, SI, T, TI> BridgeMessageHandler for BridgeHubMessageHandler<S, SI, T, TI>
 where
-	S: Config<Instance1>,
-	T: Config<I>,
-	I: 'static,
-	<T as Config<I>>::InboundPayload: From<Vec<u8>>,
-	<T as Config<I>>::MessageDispatch:
+	S: Config<SI>,
+	SI: 'static,
+	T: Config<TI>,
+	TI: 'static,
+	<T as Config<TI>>::InboundPayload: From<Vec<u8>>,
+	<T as Config<TI>>::MessageDispatch:
 		MessageDispatch<DispatchLevelResult = XcmBlobMessageDispatchResult>,
 {
 	fn get_source_outbound_messages() -> Vec<BridgeMessage> {
@@ -100,16 +105,13 @@ where

 		// collect messages from `OutboundMessages` for each active outbound lane in the source
 		for lane in active_lanes {
-			let latest_generated_nonce =
-				OutboundLanes::<S, Instance1>::get(lane).latest_generated_nonce;
-			let latest_received_nonce =
-				OutboundLanes::<S, Instance1>::get(lane).latest_received_nonce;
+			let latest_generated_nonce = OutboundLanes::<S, SI>::get(lane).latest_generated_nonce;
+			let latest_received_nonce = OutboundLanes::<S, SI>::get(lane).latest_received_nonce;

 			(latest_received_nonce + 1..=latest_generated_nonce).for_each(|nonce| {
-				let encoded_payload: Vec<u8> =
-					Pallet::<S, Instance1>::outbound_message_data(*lane, nonce)
-						.expect("Bridge message does not exist")
-						.into();
+				let encoded_payload: Vec<u8> = Pallet::<S, SI>::outbound_message_data(*lane, nonce)
+					.expect("Bridge message does not exist")
+					.into();
 				let payload = Vec::<u8>::decode(&mut &encoded_payload[..])
 					.expect("Decodign XCM message failed");
 				let id: u32 = LaneIdWrapper(*lane).into();
@@ -133,9 +135,9 @@ where

 		// Directly dispatch outbound messages assuming everything is correct
 		// and bypassing the `Relayers`  and `InboundLane` logic
-		let dispatch_result = TargetMessageDispatch::<T, I>::dispatch(DispatchMessage {
+		let dispatch_result = TargetMessageDispatch::<T, TI>::dispatch(DispatchMessage {
 			key: MessageKey { lane_id, nonce },
-			data: DispatchMessageData::<InboundPayload<T, I>> { payload },
+			data: DispatchMessageData::<InboundPayload<T, TI>> { payload },
 		});

 		let result = match dispatch_result.dispatch_level_result {
@@ -151,14 +153,14 @@ where
 	}

 	fn notify_source_message_delivery(lane_id: u32) {
-		let data = OutboundLanes::<S, Instance1>::get(LaneIdWrapper::from(lane_id).0);
+		let data = OutboundLanes::<S, SI>::get(LaneIdWrapper::from(lane_id).0);
 		let new_data = OutboundLaneData {
 			oldest_unpruned_nonce: data.oldest_unpruned_nonce + 1,
 			latest_received_nonce: data.latest_received_nonce + 1,
 			..data
 		};

-		OutboundLanes::<S, Instance1>::insert(LaneIdWrapper::from(lane_id).0, new_data);
+		OutboundLanes::<S, SI>::insert(LaneIdWrapper::from(lane_id).0, new_data);
 	}
 }

@@ -392,6 +394,23 @@ macro_rules! impl_accounts_helpers_for_parachain {
 						}
 					});
 				}
+
+				/// Return local sovereign account of `para_id` on other `network_id`
+				pub fn sovereign_account_of_parachain_on_other_global_consensus(
+					network_id: $crate::impls::NetworkId,
+					para_id: $crate::impls::ParaId,
+				) -> $crate::impls::AccountId {
+					let remote_location = $crate::impls::MultiLocation {
+						parents: 2,
+						interior: $crate::impls::Junctions::X2(
+							$crate::impls::Junction::GlobalConsensus(network_id),
+							$crate::impls::Junction::Parachain(para_id.into()),
+						),
+					};
+					<Self as $crate::impls::TestExt>::execute_with(|| {
+						Self::sovereign_account_id_of(remote_location)
+					})
+				}
 			}
 		}
 	};
@@ -614,7 +633,9 @@ macro_rules! impl_assets_helpers_for_parachain {
 						$crate::impls::assert_expected_events!(
 							Self,
 							vec![
-								RuntimeEvent::<N>::Assets($crate::impls::pallet_assets::Event::Issued { asset_id, owner, amount }) => {
+								RuntimeEvent::<N>::Assets(
+									$crate::impls::pallet_assets::Event::Issued { asset_id, owner, amount }
+								) => {
 									asset_id: *asset_id == id,
 									owner: *owner == beneficiary.clone().into(),
 									amount: *amount == amount_to_mint,
@@ -687,3 +708,85 @@ macro_rules! impl_assets_helpers_for_parachain {
 		}
 	};
 }
+
+#[macro_export]
+macro_rules! impl_foreign_assets_helpers_for_parachain {
+	( $chain:ident, $relay_chain:ident ) => {
+		$crate::impls::paste::paste! {
+			impl<N: $crate::impls::Network> $chain<N> {
+				/// Create foreign assets using sudo `ForeignAssets::force_create()`
+				pub fn force_create_foreign_asset(
+					id: $crate::impls::MultiLocation,
+					owner: $crate::impls::AccountId,
+					is_sufficient: bool,
+					min_balance: u128,
+					prefund_accounts: Vec<($crate::impls::AccountId, u128)>,
+				) {
+					use $crate::impls::Inspect;
+					let sudo_origin = <$chain<N> as $crate::impls::Chain>::RuntimeOrigin::root();
+					<Self as $crate::impls::TestExt>::execute_with(|| {
+						$crate::impls::assert_ok!(
+							<Self as [<$chain ParaPallet>]>::ForeignAssets::force_create(
+								sudo_origin,
+								id,
+								owner.clone().into(),
+								is_sufficient,
+								min_balance,
+							)
+						);
+						assert!(<Self as [<$chain ParaPallet>]>::ForeignAssets::asset_exists(id));
+						type RuntimeEvent<N> = <$chain<N> as $crate::impls::Chain>::RuntimeEvent;
+						$crate::impls::assert_expected_events!(
+							Self,
+							vec![
+								RuntimeEvent::<N>::ForeignAssets(
+									$crate::impls::pallet_assets::Event::ForceCreated {
+										asset_id,
+										..
+									}
+								) => { asset_id: *asset_id == id, },
+							]
+						);
+					});
+					for (beneficiary, amount) in prefund_accounts.into_iter() {
+						let signed_origin =
+							<$chain<N> as $crate::impls::Chain>::RuntimeOrigin::signed(owner.clone());
+						Self::mint_foreign_asset(signed_origin, id, beneficiary, amount);
+					}
+				}
+
+				/// Mint assets making use of the ForeignAssets pallet-assets instance
+				pub fn mint_foreign_asset(
+					signed_origin: <Self as $crate::impls::Chain>::RuntimeOrigin,
+					id: $crate::impls::MultiLocation,
+					beneficiary: $crate::impls::AccountId,
+					amount_to_mint: u128,
+				) {
+					<Self as $crate::impls::TestExt>::execute_with(|| {
+						$crate::impls::assert_ok!(<Self as [<$chain ParaPallet>]>::ForeignAssets::mint(
+							signed_origin,
+							id.into(),
+							beneficiary.clone().into(),
+							amount_to_mint
+						));
+
+						type RuntimeEvent<N> = <$chain<N> as $crate::impls::Chain>::RuntimeEvent;
+
+						$crate::impls::assert_expected_events!(
+							Self,
+							vec![
+								RuntimeEvent::<N>::ForeignAssets(
+									$crate::impls::pallet_assets::Event::Issued { asset_id, owner, amount }
+								) => {
+									asset_id: *asset_id == id,
+									owner: *owner == beneficiary.clone().into(),
+									amount: *amount == amount_to_mint,
+								},
+							]
+						);
+					});
+				}
+			}
+		}
+	};
+}
@@ -1,18 +1,18 @@
 [package]
-name = "rococo-wococo-system-emulated-network"
+name = "rococo-westend-system-emulated-network"
 version = "0.0.0"
 authors.workspace = true
 edition.workspace = true
 license = "Apache-2.0"
-description = "Rococo<>Wococo emulated bridged network"
+description = "Rococo<>Westend emulated bridged network"
 publish = false

 [dependencies]
 # Cumulus
 emulated-integration-tests-common = { path = "../../common", default-features = false }
 rococo-emulated-chain = { path = "../../chains/relays/rococo" }
-wococo-emulated-chain = { path = "../../chains/relays/wococo" }
+westend-emulated-chain = { path = "../../chains/relays/westend" }
 asset-hub-rococo-emulated-chain = { path = "../../chains/parachains/assets/asset-hub-rococo" }
-asset-hub-wococo-emulated-chain = { path = "../../chains/parachains/assets/asset-hub-wococo" }
+asset-hub-westend-emulated-chain = { path = "../../chains/parachains/assets/asset-hub-westend" }
 bridge-hub-rococo-emulated-chain = { path = "../../chains/parachains/bridges/bridge-hub-rococo" }
-bridge-hub-wococo-emulated-chain = { path = "../../chains/parachains/bridges/bridge-hub-wococo" }
+bridge-hub-westend-emulated-chain = { path = "../../chains/parachains/bridges/bridge-hub-westend" }
@@ -14,23 +14,23 @@
 // limitations under the License.

 pub use asset_hub_rococo_emulated_chain;
-pub use asset_hub_wococo_emulated_chain;
+pub use asset_hub_westend_emulated_chain;
 pub use bridge_hub_rococo_emulated_chain;
-pub use bridge_hub_wococo_emulated_chain;
+pub use bridge_hub_westend_emulated_chain;
 pub use rococo_emulated_chain;
-pub use wococo_emulated_chain;
+pub use westend_emulated_chain;

 use asset_hub_rococo_emulated_chain::AssetHubRococo;
-use asset_hub_wococo_emulated_chain::AssetHubWococo;
+use asset_hub_westend_emulated_chain::AssetHubWestend;
 use bridge_hub_rococo_emulated_chain::BridgeHubRococo;
-use bridge_hub_wococo_emulated_chain::BridgeHubWococo;
+use bridge_hub_westend_emulated_chain::BridgeHubWestend;
 use rococo_emulated_chain::Rococo;
-use wococo_emulated_chain::Wococo;
+use westend_emulated_chain::Westend;

 // Cumulus
 use emulated_integration_tests_common::{
 	accounts::{ALICE, BOB},
-	impls::{BridgeHubMessageHandler, BridgeMessagesInstance2},
+	impls::{BridgeHubMessageHandler, BridgeMessagesInstance1, BridgeMessagesInstance3},
 	xcm_emulator::{
 		decl_test_bridges, decl_test_networks, decl_test_sender_receiver_accounts_parameter_types,
 		Chain,
@@ -44,51 +44,53 @@ decl_test_networks! {
 			AssetHubRococo,
 			BridgeHubRococo,
 		],
-		bridge = RococoWococoMockBridge
+		bridge = RococoWestendMockBridge

 	},
-	pub struct WococoMockNet {
-		relay_chain = Wococo,
+	pub struct WestendMockNet {
+		relay_chain = Westend,
 		parachains = vec![
-			AssetHubWococo,
-			BridgeHubWococo,
+			AssetHubWestend,
+			BridgeHubWestend,
 		],
-		bridge = WococoRococoMockBridge
+		bridge = WestendRococoMockBridge
 	},
 }

 decl_test_bridges! {
-	pub struct RococoWococoMockBridge {
+	pub struct RococoWestendMockBridge {
 		source = BridgeHubRococoPara,
-		target = BridgeHubWococoPara,
-		handler = RococoWococoMessageHandler
+		target = BridgeHubWestendPara,
+		handler = RococoWestendMessageHandler
 	},
-	pub struct WococoRococoMockBridge {
-		source = BridgeHubWococoPara,
+	pub struct WestendRococoMockBridge {
+		source = BridgeHubWestendPara,
 		target = BridgeHubRococoPara,
-		handler = WococoRococoMessageHandler
+		handler = WestendRococoMessageHandler
 	}
 }

 type BridgeHubRococoRuntime = <BridgeHubRococoPara as Chain>::Runtime;
-type BridgeHubWococoRuntime = <BridgeHubWococoPara as Chain>::Runtime;
+type BridgeHubWestendRuntime = <BridgeHubWestendPara as Chain>::Runtime;

-pub type RococoWococoMessageHandler = BridgeHubMessageHandler<
+pub type RococoWestendMessageHandler = BridgeHubMessageHandler<
 	BridgeHubRococoRuntime,
-	BridgeHubWococoRuntime,
-	BridgeMessagesInstance2,
+	BridgeMessagesInstance3,
+	BridgeHubWestendRuntime,
+	BridgeMessagesInstance1,
 >;
-pub type WococoRococoMessageHandler = BridgeHubMessageHandler<
-	BridgeHubWococoRuntime,
+pub type WestendRococoMessageHandler = BridgeHubMessageHandler<
+	BridgeHubWestendRuntime,
+	BridgeMessagesInstance1,
 	BridgeHubRococoRuntime,
-	BridgeMessagesInstance2,
+	BridgeMessagesInstance3,
 >;

 decl_test_sender_receiver_accounts_parameter_types! {
 	RococoRelay { sender: ALICE, receiver: BOB },
 	AssetHubRococoPara { sender: ALICE, receiver: BOB },
 	BridgeHubRococoPara { sender: ALICE, receiver: BOB },
-	WococoRelay { sender: ALICE, receiver: BOB },
-	AssetHubWococoPara { sender: ALICE, receiver: BOB },
-	BridgeHubWococoPara { sender: ALICE, receiver: BOB }
+	WestendRelay { sender: ALICE, receiver: BOB },
+	AssetHubWestendPara { sender: ALICE, receiver: BOB },
+	BridgeHubWestendPara { sender: ALICE, receiver: BOB }
 }
@@ -1,16 +0,0 @@
-[package]
-name = "wococo-system-emulated-network"
-version = "0.0.0"
-authors.workspace = true
-edition.workspace = true
-license = "Apache-2.0"
-description = "Wococo System emulated network"
-publish = false
-
-[dependencies]
-# Cumulus
-emulated-integration-tests-common = { path = "../../common", default-features = false }
-wococo-emulated-chain = { path = "../../chains/relays/wococo" }
-asset-hub-wococo-emulated-chain = { path = "../../chains/parachains/assets/asset-hub-wococo" }
-bridge-hub-wococo-emulated-chain = { path = "../../chains/parachains/bridges/bridge-hub-wococo" }
-penpal-emulated-chain = { path = "../../chains/parachains/testing/penpal" }
@@ -1,50 +0,0 @@
-// Copyright (C) Parity Technologies (UK) Ltd.
-// SPDX-License-Identifier: Apache-2.0
-
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// 	http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-pub use asset_hub_wococo_emulated_chain;
-pub use bridge_hub_wococo_emulated_chain;
-pub use wococo_emulated_chain;
-
-use asset_hub_wococo_emulated_chain::AssetHubWococo;
-use bridge_hub_wococo_emulated_chain::BridgeHubWococo;
-use penpal_emulated_chain::{PenpalA, PenpalB};
-use wococo_emulated_chain::Wococo;
-
-// Cumulus
-use emulated_integration_tests_common::{
-	accounts::{ALICE, BOB},
-	xcm_emulator::{decl_test_networks, decl_test_sender_receiver_accounts_parameter_types},
-};
-
-decl_test_networks! {
-	pub struct WococoMockNet {
-		relay_chain = Wococo,
-		parachains = vec![
-			AssetHubWococo,
-			BridgeHubWococo,
-			PenpalA,
-			PenpalB,
-		],
-		bridge = ()
-	},
-}
-
-decl_test_sender_receiver_accounts_parameter_types! {
-	WococoRelay { sender: ALICE, receiver: BOB },
-	AssetHubWococoPara { sender: ALICE, receiver: BOB },
-	BridgeHubWococoPara { sender: ALICE, receiver: BOB },
-	PenpalAPara { sender: ALICE, receiver: BOB },
-	PenpalBPara { sender: ALICE, receiver: BOB }
-}
@@ -11,7 +11,9 @@ publish = false
 codec = { package = "parity-scale-codec", version = "3.4.0", default-features = false }

 # Substrate
-frame-support = { path = "../../../../../../../substrate/frame/support", default-features = false}
+frame-support = { path = "../../../../../../../substrate/frame/support", default-features = false }
+pallet-assets = { path = "../../../../../../../substrate/frame/assets", default-features = false }
+pallet-balances = { path = "../../../../../../../substrate/frame/balances", default-features = false }
 pallet-message-queue = { path = "../../../../../../../substrate/frame/message-queue" }

 # Polkadot
@@ -30,4 +32,4 @@ cumulus-pallet-xcmp-queue = { path = "../../../../../../pallets/xcmp-queue", def
 cumulus-pallet-dmp-queue = { path = "../../../../../../pallets/dmp-queue", default-features = false}
 bridge-hub-rococo-runtime = { path = "../../../../../../parachains/runtimes/bridge-hubs/bridge-hub-rococo", default-features = false }
 emulated-integration-tests-common = { path = "../../../common", default-features = false}
-rococo-wococo-system-emulated-network ={ path = "../../../networks/rococo-wococo-system" }
+rococo-westend-system-emulated-network = { path = "../../../networks/rococo-westend-system" }
@@ -21,7 +21,7 @@ pub use xcm::{
 	prelude::{AccountId32 as AccountId32Junction, *},
 	v3::{
 		Error,
-		NetworkId::{Rococo as RococoId, Wococo as WococoId},
+		NetworkId::{Rococo as RococoId, Westend as WestendId},
 	},
 };

@@ -30,6 +30,8 @@ pub use bp_messages::LaneId;

 // Cumulus
 pub use emulated_integration_tests_common::{
+	accounts::ALICE,
+	impls::Inspect,
 	test_parachain_is_trusted_teleporter,
 	xcm_emulator::{
 		assert_expected_events, bx, helpers::weight_within_threshold, Chain, Parachain as Para,
@@ -39,17 +41,22 @@ pub use emulated_integration_tests_common::{
 	PROOF_SIZE_THRESHOLD, REF_TIME_THRESHOLD, XCM_V3,
 };
 pub use parachains_common::{AccountId, Balance};
-pub use rococo_wococo_system_emulated_network::{
+pub use rococo_westend_system_emulated_network::{
+	asset_hub_rococo_emulated_chain::{
+		genesis::ED as ASSET_HUB_ROCOCO_ED, AssetHubRococoParaPallet as AssetHubRococoPallet,
+	},
+	asset_hub_westend_emulated_chain::{
+		genesis::ED as ASSET_HUB_WESTEND_ED, AssetHubWestendParaPallet as AssetHubWestendPallet,
+	},
 	bridge_hub_rococo_emulated_chain::{
 		genesis::ED as BRIDGE_HUB_ROCOCO_ED, BridgeHubRococoParaPallet as BridgeHubRococoPallet,
 	},
-	rococo_emulated_chain::{genesis::ED as ROCOCO_ED, RococoRelayPallet as RococoPallet},
+	rococo_emulated_chain::RococoRelayPallet as RococoPallet,
 	AssetHubRococoPara as AssetHubRococo, AssetHubRococoParaReceiver as AssetHubRococoReceiver,
-	AssetHubRococoParaSender as AssetHubRococoSender, AssetHubWococoPara as AssetHubWococo,
-	BridgeHubRococoPara as BridgeHubRococo, BridgeHubRococoParaReceiver as BridgeHubRococoReceiver,
-	BridgeHubRococoParaSender as BridgeHubRococoSender, BridgeHubWococoPara as BridgeHubWococo,
-	RococoRelay as Rococo, RococoRelayReceiver as RococoReceiver,
-	RococoRelaySender as RococoSender,
+	AssetHubRococoParaSender as AssetHubRococoSender, AssetHubWestendPara as AssetHubWestend,
+	AssetHubWestendParaReceiver as AssetHubWestendReceiver, BridgeHubRococoPara as BridgeHubRococo,
+	BridgeHubRococoParaSender as BridgeHubRococoSender, BridgeHubWestendPara as BridgeHubWestend,
+	RococoRelay as Rococo,
 };

 pub const ASSET_ID: u32 = 1;
@@ -0,0 +1,219 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use crate::*;
+
+fn send_asset_from_asset_hub_rococo_to_asset_hub_westend(id: MultiLocation, amount: u128) {
+	let signed_origin =
+		<AssetHubRococo as Chain>::RuntimeOrigin::signed(AssetHubRococoSender::get().into());
+	let asset_hub_westend_para_id = AssetHubWestend::para_id().into();
+	let destination = MultiLocation {
+		parents: 2,
+		interior: X2(GlobalConsensus(NetworkId::Westend), Parachain(asset_hub_westend_para_id)),
+	};
+	let beneficiary_id = AssetHubWestendReceiver::get();
+	let beneficiary: MultiLocation =
+		AccountId32Junction { network: None, id: beneficiary_id.into() }.into();
+	let assets: MultiAssets = (id, amount).into();
+	let fee_asset_item = 0;
+
+	// fund the AHR's SA on BHR for paying bridge transport fees
+	let ahr_as_seen_by_bhr = BridgeHubRococo::sibling_location_of(AssetHubRococo::para_id());
+	let sov_ahr_on_bhr = BridgeHubRococo::sovereign_account_id_of(ahr_as_seen_by_bhr);
+	BridgeHubRococo::fund_accounts(vec![(sov_ahr_on_bhr.into(), 10_000_000_000_000u128)]);
+
+	AssetHubRococo::execute_with(|| {
+		assert_ok!(
+			<AssetHubRococo as AssetHubRococoPallet>::PolkadotXcm::limited_reserve_transfer_assets(
+				signed_origin,
+				bx!(destination.into()),
+				bx!(beneficiary.into()),
+				bx!(assets.into()),
+				fee_asset_item,
+				WeightLimit::Unlimited,
+			)
+		);
+	});
+
+	BridgeHubRococo::execute_with(|| {
+		type RuntimeEvent = <BridgeHubRococo as Chain>::RuntimeEvent;
+		assert_expected_events!(
+			BridgeHubRococo,
+			vec![
+				// pay for bridge fees
+				RuntimeEvent::Balances(pallet_balances::Event::Withdraw { .. }) => {},
+				// message exported
+				RuntimeEvent::BridgeWestendMessages(
+					pallet_bridge_messages::Event::MessageAccepted { .. }
+				) => {},
+				// message processed successfully
+				RuntimeEvent::MessageQueue(
+					pallet_message_queue::Event::Processed { success: true, .. }
+				) => {},
+			]
+		);
+	});
+	BridgeHubWestend::execute_with(|| {
+		type RuntimeEvent = <BridgeHubWestend as Chain>::RuntimeEvent;
+		assert_expected_events!(
+			BridgeHubWestend,
+			vec![
+				// message dispatched successfully
+				RuntimeEvent::XcmpQueue(
+					cumulus_pallet_xcmp_queue::Event::XcmpMessageSent { .. }
+				) => {},
+			]
+		);
+	});
+}
+
+#[test]
+fn send_rocs_from_asset_hub_rococo_to_asset_hub_westend() {
+	let roc_at_asset_hub_rococo: MultiLocation = Parent.into();
+	let roc_at_asset_hub_westend =
+		MultiLocation { parents: 2, interior: X1(GlobalConsensus(NetworkId::Rococo)) };
+	let owner: AccountId = AssetHubWestend::account_id_of(ALICE);
+	AssetHubWestend::force_create_foreign_asset(
+		roc_at_asset_hub_westend,
+		owner,
+		true,
+		ASSET_MIN_BALANCE,
+		vec![],
+	);
+	let sov_ahw_on_ahr = AssetHubRococo::sovereign_account_of_parachain_on_other_global_consensus(
+		NetworkId::Westend,
+		AssetHubWestend::para_id(),
+	);
+
+	let rocs_in_reserve_on_ahr_before =
+		<AssetHubRococo as Chain>::account_data_of(sov_ahw_on_ahr.clone()).free;
+	let sender_rocs_before =
+		<AssetHubRococo as Chain>::account_data_of(AssetHubRococoSender::get()).free;
+	let receiver_rocs_before = AssetHubWestend::execute_with(|| {
+		type Assets = <AssetHubWestend as AssetHubWestendPallet>::ForeignAssets;
+		<Assets as Inspect<_>>::balance(roc_at_asset_hub_westend, &AssetHubWestendReceiver::get())
+	});
+
+	let amount = ASSET_HUB_ROCOCO_ED * 1_000;
+	send_asset_from_asset_hub_rococo_to_asset_hub_westend(roc_at_asset_hub_rococo, amount);
+	AssetHubWestend::execute_with(|| {
+		type RuntimeEvent = <AssetHubWestend as Chain>::RuntimeEvent;
+		assert_expected_events!(
+			AssetHubWestend,
+			vec![
+				// issue ROCs on AHW
+				RuntimeEvent::ForeignAssets(pallet_assets::Event::Issued { asset_id, owner, .. }) => {
+					asset_id: *asset_id == roc_at_asset_hub_rococo,
+					owner: *owner == AssetHubWestendReceiver::get(),
+				},
+				// message processed successfully
+				RuntimeEvent::MessageQueue(
+					pallet_message_queue::Event::Processed { success: true, .. }
+				) => {},
+			]
+		);
+	});
+
+	let sender_rocs_after =
+		<AssetHubRococo as Chain>::account_data_of(AssetHubRococoSender::get()).free;
+	let receiver_rocs_after = AssetHubWestend::execute_with(|| {
+		type Assets = <AssetHubWestend as AssetHubWestendPallet>::ForeignAssets;
+		<Assets as Inspect<_>>::balance(roc_at_asset_hub_westend, &AssetHubWestendReceiver::get())
+	});
+	let rocs_in_reserve_on_ahr_after =
+		<AssetHubRococo as Chain>::account_data_of(sov_ahw_on_ahr.clone()).free;
+
+	// Sender's balance is reduced
+	assert!(sender_rocs_before > sender_rocs_after);
+	// Receiver's balance is increased
+	assert!(receiver_rocs_after > receiver_rocs_before);
+	// Reserve balance is reduced by sent amount
+	assert_eq!(rocs_in_reserve_on_ahr_after, rocs_in_reserve_on_ahr_before + amount);
+}
+
+#[test]
+fn send_wnds_from_asset_hub_rococo_to_asset_hub_westend() {
+	let prefund_amount = 10_000_000_000_000u128;
+	let wnd_at_asset_hub_rococo =
+		MultiLocation { parents: 2, interior: X1(GlobalConsensus(NetworkId::Westend)) };
+	let owner: AccountId = AssetHubWestend::account_id_of(ALICE);
+	AssetHubRococo::force_create_foreign_asset(
+		wnd_at_asset_hub_rococo,
+		owner,
+		true,
+		ASSET_MIN_BALANCE,
+		vec![(AssetHubRococoSender::get(), prefund_amount)],
+	);
+
+	// fund the AHR's SA on AHW with the WND tokens held in reserve
+	let sov_ahr_on_ahw = AssetHubWestend::sovereign_account_of_parachain_on_other_global_consensus(
+		NetworkId::Rococo,
+		AssetHubRococo::para_id(),
+	);
+	AssetHubWestend::fund_accounts(vec![(sov_ahr_on_ahw.clone(), prefund_amount)]);
+
+	let wnds_in_reserve_on_ahw_before =
+		<AssetHubWestend as Chain>::account_data_of(sov_ahr_on_ahw.clone()).free;
+	assert_eq!(wnds_in_reserve_on_ahw_before, prefund_amount);
+	let sender_wnds_before = AssetHubRococo::execute_with(|| {
+		type Assets = <AssetHubRococo as AssetHubRococoPallet>::ForeignAssets;
+		<Assets as Inspect<_>>::balance(wnd_at_asset_hub_rococo, &AssetHubRococoSender::get())
+	});
+	assert_eq!(sender_wnds_before, prefund_amount);
+	let receiver_wnds_before =
+		<AssetHubWestend as Chain>::account_data_of(AssetHubWestendReceiver::get()).free;
+
+	let amount_to_send = ASSET_HUB_WESTEND_ED * 1_000;
+	send_asset_from_asset_hub_rococo_to_asset_hub_westend(wnd_at_asset_hub_rococo, amount_to_send);
+	AssetHubWestend::execute_with(|| {
+		type RuntimeEvent = <AssetHubWestend as Chain>::RuntimeEvent;
+		assert_expected_events!(
+			AssetHubWestend,
+			vec![
+				// WND is withdrawn from AHR's SA on AHW
+				RuntimeEvent::Balances(
+					pallet_balances::Event::Withdraw { who, amount }
+				) => {
+					who: *who == sov_ahr_on_ahw,
+					amount: *amount == amount_to_send,
+				},
+				// WNDs deposited to beneficiary
+				RuntimeEvent::Balances(pallet_balances::Event::Deposit { who, .. }) => {
+					who: *who == AssetHubWestendReceiver::get(),
+				},
+				// message processed successfully
+				RuntimeEvent::MessageQueue(
+					pallet_message_queue::Event::Processed { success: true, .. }
+				) => {},
+			]
+		);
+	});
+
+	let sender_wnds_after = AssetHubRococo::execute_with(|| {
+		type Assets = <AssetHubRococo as AssetHubRococoPallet>::ForeignAssets;
+		<Assets as Inspect<_>>::balance(wnd_at_asset_hub_rococo, &AssetHubRococoSender::get())
+	});
+	let receiver_wnds_after =
+		<AssetHubWestend as Chain>::account_data_of(AssetHubWestendReceiver::get()).free;
+	let wnds_in_reserve_on_ahw_after =
+		<AssetHubWestend as Chain>::account_data_of(sov_ahr_on_ahw).free;
+
+	// Sender's balance is reduced
+	assert!(sender_wnds_before > sender_wnds_after);
+	// Receiver's balance is increased
+	assert!(receiver_wnds_after > receiver_wnds_before);
+	// Reserve balance is reduced by sent amount
+	assert_eq!(wnds_in_reserve_on_ahw_after, wnds_in_reserve_on_ahw_before - amount_to_send);
+}
@@ -13,5 +13,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-mod example;
+mod asset_transfers;
+mod send_xcm;
 mod teleport;
@@ -16,7 +16,7 @@
 use crate::*;

 #[test]
-fn example() {
+fn send_xcm_from_rococo_relay_to_westend_asset_hub() {
 	// Init tests variables
 	// XcmPallet send arguments
 	let sudo_origin = <Rococo as Chain>::RuntimeOrigin::root();
@@ -29,13 +29,13 @@ fn example() {
 	let xcm = VersionedXcm::from(Xcm(vec![
 		UnpaidExecution { weight_limit, check_origin },
 		ExportMessage {
-			network: WococoId,
-			destination: X1(Parachain(AssetHubWococo::para_id().into())),
+			network: WestendId,
+			destination: X1(Parachain(AssetHubWestend::para_id().into())),
 			xcm: remote_xcm,
 		},
 	]));

-	//Rococo Global Consensus
+	// Rococo Global Consensus
 	// Send XCM message from Relay Chain to Bridge Hub source Parachain
 	Rococo::execute_with(|| {
 		assert_ok!(<Rococo as RococoPallet>::XcmPallet::send(
@@ -64,32 +64,32 @@ fn example() {
 					success: true,
 					..
 				}) => {},
-				RuntimeEvent::BridgeWococoMessages(pallet_bridge_messages::Event::MessageAccepted {
-					lane_id: LaneId([0, 0, 0, 1]),
+				RuntimeEvent::BridgeWestendMessages(pallet_bridge_messages::Event::MessageAccepted {
+					lane_id: LaneId([0, 0, 0, 2]),
 					nonce: 1,
 				}) => {},
 			]
 		);
 	});

-	// Wococo GLobal Consensus
+	// Westend Global Consensus
 	// Receive XCM message in Bridge Hub target Parachain
-	BridgeHubWococo::execute_with(|| {
-		type RuntimeEvent = <BridgeHubWococo as Chain>::RuntimeEvent;
+	BridgeHubWestend::execute_with(|| {
+		type RuntimeEvent = <BridgeHubWestend as Chain>::RuntimeEvent;

 		assert_expected_events!(
-			BridgeHubWococo,
+			BridgeHubWestend,
 			vec![
 				RuntimeEvent::XcmpQueue(cumulus_pallet_xcmp_queue::Event::XcmpMessageSent { .. }) => {},
 			]
 		);
 	});
-	// Receive embeded XCM message within `ExportMessage` in Parachain destination
-	AssetHubWococo::execute_with(|| {
-		type RuntimeEvent = <AssetHubWococo as Chain>::RuntimeEvent;
+	// Receive embedded XCM message within `ExportMessage` in Parachain destination
+	AssetHubWestend::execute_with(|| {
+		type RuntimeEvent = <AssetHubWestend as Chain>::RuntimeEvent;

 		assert_expected_events!(
-			AssetHubWococo,
+			AssetHubWestend,
 			vec![
 				RuntimeEvent::MessageQueue(pallet_message_queue::Event::ProcessingFailed {
 					..
@@ -11,7 +11,9 @@ publish = false
 codec = { package = "parity-scale-codec", version = "3.4.0", default-features = false }

 # Substrate
-frame-support = { path = "../../../../../../../substrate/frame/support", default-features = false}
+frame-support = { path = "../../../../../../../substrate/frame/support", default-features = false }
+pallet-assets = { path = "../../../../../../../substrate/frame/assets", default-features = false }
+pallet-balances = { path = "../../../../../../../substrate/frame/balances", default-features = false }
 pallet-message-queue = { path = "../../../../../../../substrate/frame/message-queue" }

 # Polkadot
@@ -30,4 +32,4 @@ cumulus-pallet-xcmp-queue = { path = "../../../../../../pallets/xcmp-queue", def
 cumulus-pallet-dmp-queue = { path = "../../../../../../pallets/dmp-queue", default-features = false}
 bridge-hub-westend-runtime = { path = "../../../../../../parachains/runtimes/bridge-hubs/bridge-hub-westend", default-features = false }
 emulated-integration-tests-common = { path = "../../../common", default-features = false}
-westend-system-emulated-network ={ path = "../../../networks/westend-system" }
+rococo-westend-system-emulated-network = { path = "../../../networks/rococo-westend-system" }
@@ -19,7 +19,10 @@ pub use frame_support::assert_ok;
 // Polkadot
 pub use xcm::{
 	prelude::{AccountId32 as AccountId32Junction, *},
-	v3::{Error, NetworkId::Rococo as RococoId},
+	v3::{
+		Error,
+		NetworkId::{Rococo as RococoId, Westend as WestendId},
+	},
 };

 // Bridges
@@ -27,6 +30,8 @@ pub use bp_messages::LaneId;

 // Cumulus
 pub use emulated_integration_tests_common::{
+	accounts::ALICE,
+	impls::Inspect,
 	test_parachain_is_trusted_teleporter,
 	xcm_emulator::{
 		assert_expected_events, bx, helpers::weight_within_threshold, Chain, Parachain as Para,
@@ -36,16 +41,22 @@ pub use emulated_integration_tests_common::{
 	PROOF_SIZE_THRESHOLD, REF_TIME_THRESHOLD, XCM_V3,
 };
 pub use parachains_common::{AccountId, Balance};
-pub use westend_system_emulated_network::{
-	bridge_hub_westend_emulated_chain::{
-		genesis::ED as BRIDGE_HUB_ROCOCO_ED, BridgeHubWestendParaPallet as BridgeHubWestendPallet,
+pub use rococo_westend_system_emulated_network::{
+	asset_hub_rococo_emulated_chain::{
+		genesis::ED as ASSET_HUB_ROCOCO_ED, AssetHubRococoParaPallet as AssetHubRococoPallet,
 	},
-	westend_emulated_chain::{genesis::ED as ROCOCO_ED, WestendRelayPallet as WestendPallet},
+	asset_hub_westend_emulated_chain::{
+		genesis::ED as ASSET_HUB_WESTEND_ED, AssetHubWestendParaPallet as AssetHubWestendPallet,
+	},
+	bridge_hub_westend_emulated_chain::{
+		genesis::ED as BRIDGE_HUB_WESTEND_ED, BridgeHubWestendParaPallet as BridgeHubWestendPallet,
+	},
+	westend_emulated_chain::WestendRelayPallet as WestendPallet,
+	AssetHubRococoPara as AssetHubRococo, AssetHubRococoParaReceiver as AssetHubRococoReceiver,
 	AssetHubWestendPara as AssetHubWestend, AssetHubWestendParaReceiver as AssetHubWestendReceiver,
-	AssetHubWestendParaSender as AssetHubWestendSender, BridgeHubWestendPara as BridgeHubWestend,
-	BridgeHubWestendParaReceiver as BridgeHubWestendReceiver,
-	BridgeHubWestendParaSender as BridgeHubWestendSender, WestendRelay as Westend,
-	WestendRelayReceiver as WestendReceiver, WestendRelaySender as WestendSender,
+	AssetHubWestendParaSender as AssetHubWestendSender, BridgeHubRococoPara as BridgeHubRococo,
+	BridgeHubWestendPara as BridgeHubWestend, BridgeHubWestendParaSender as BridgeHubWestendSender,
+	WestendRelay as Westend,
 };

 pub const ASSET_ID: u32 = 1;
@@ -0,0 +1,218 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+use crate::*;
+
+fn send_asset_from_asset_hub_westend_to_asset_hub_rococo(id: MultiLocation, amount: u128) {
+	let signed_origin =
+		<AssetHubWestend as Chain>::RuntimeOrigin::signed(AssetHubWestendSender::get().into());
+	let asset_hub_rococo_para_id = AssetHubRococo::para_id().into();
+	let destination = MultiLocation {
+		parents: 2,
+		interior: X2(GlobalConsensus(NetworkId::Rococo), Parachain(asset_hub_rococo_para_id)),
+	};
+	let beneficiary_id = AssetHubRococoReceiver::get();
+	let beneficiary: MultiLocation =
+		AccountId32Junction { network: None, id: beneficiary_id.into() }.into();
+	let assets: MultiAssets = (id, amount).into();
+	let fee_asset_item = 0;
+
+	// fund the AHW's SA on BHW for paying bridge transport fees
+	let ahw_as_seen_by_bhw = BridgeHubWestend::sibling_location_of(AssetHubWestend::para_id());
+	let sov_ahw_on_bhw = BridgeHubWestend::sovereign_account_id_of(ahw_as_seen_by_bhw);
+	BridgeHubWestend::fund_accounts(vec![(sov_ahw_on_bhw.into(), 10_000_000_000_000u128)]);
+
+	AssetHubWestend::execute_with(|| {
+		assert_ok!(
+			<AssetHubWestend as AssetHubWestendPallet>::PolkadotXcm::limited_reserve_transfer_assets(
+				signed_origin,
+				bx!(destination.into()),
+				bx!(beneficiary.into()),
+				bx!(assets.into()),
+				fee_asset_item,
+				WeightLimit::Unlimited,
+			)
+		);
+	});
+
+	BridgeHubWestend::execute_with(|| {
+		type RuntimeEvent = <BridgeHubWestend as Chain>::RuntimeEvent;
+		assert_expected_events!(
+			BridgeHubWestend,
+			vec![
+				// pay for bridge fees
+				RuntimeEvent::Balances(pallet_balances::Event::Withdraw { .. }) => {},
+				// message exported
+				RuntimeEvent::BridgeRococoMessages(
+					pallet_bridge_messages::Event::MessageAccepted { .. }
+				) => {},
+				// message processed successfully
+				RuntimeEvent::MessageQueue(
+					pallet_message_queue::Event::Processed { success: true, .. }
+				) => {},
+			]
+		);
+	});
+	BridgeHubRococo::execute_with(|| {
+		type RuntimeEvent = <BridgeHubRococo as Chain>::RuntimeEvent;
+		assert_expected_events!(
+			BridgeHubRococo,
+			vec![
+				// message dispatched successfully
+				RuntimeEvent::XcmpQueue(
+					cumulus_pallet_xcmp_queue::Event::XcmpMessageSent { .. }
+				) => {},
+			]
+		);
+	});
+}
+
+#[test]
+fn send_wnds_from_asset_hub_westend_to_asset_hub_rococo() {
+	let wnd_at_asset_hub_westend: MultiLocation = Parent.into();
+	let wnd_at_asset_hub_rococo =
+		MultiLocation { parents: 2, interior: X1(GlobalConsensus(NetworkId::Westend)) };
+	let owner: AccountId = AssetHubRococo::account_id_of(ALICE);
+	AssetHubRococo::force_create_foreign_asset(
+		wnd_at_asset_hub_rococo,
+		owner,
+		true,
+		ASSET_MIN_BALANCE,
+		vec![],
+	);
+	let sov_ahr_on_ahw = AssetHubWestend::sovereign_account_of_parachain_on_other_global_consensus(
+		NetworkId::Rococo,
+		AssetHubRococo::para_id(),
+	);
+
+	let wnds_in_reserve_on_ahw_before =
+		<AssetHubWestend as Chain>::account_data_of(sov_ahr_on_ahw.clone()).free;
+	let sender_wnds_before =
+		<AssetHubWestend as Chain>::account_data_of(AssetHubWestendSender::get()).free;
+	let receiver_wnds_before = AssetHubRococo::execute_with(|| {
+		type Assets = <AssetHubRococo as AssetHubRococoPallet>::ForeignAssets;
+		<Assets as Inspect<_>>::balance(wnd_at_asset_hub_rococo, &AssetHubRococoReceiver::get())
+	});
+
+	let amount = ASSET_HUB_WESTEND_ED * 1_000;
+	send_asset_from_asset_hub_westend_to_asset_hub_rococo(wnd_at_asset_hub_westend, amount);
+	AssetHubRococo::execute_with(|| {
+		type RuntimeEvent = <AssetHubRococo as Chain>::RuntimeEvent;
+		assert_expected_events!(
+			AssetHubRococo,
+			vec![
+				// issue WNDs on AHR
+				RuntimeEvent::ForeignAssets(pallet_assets::Event::Issued { asset_id, owner, .. }) => {
+					asset_id: *asset_id == wnd_at_asset_hub_rococo,
+					owner: *owner == AssetHubRococoReceiver::get(),
+				},
+				// message processed successfully
+				RuntimeEvent::MessageQueue(
+					pallet_message_queue::Event::Processed { success: true, .. }
+				) => {},
+			]
+		);
+	});
+
+	let sender_wnds_after =
+		<AssetHubWestend as Chain>::account_data_of(AssetHubWestendSender::get()).free;
+	let receiver_wnds_after = AssetHubRococo::execute_with(|| {
+		type Assets = <AssetHubRococo as AssetHubRococoPallet>::ForeignAssets;
+		<Assets as Inspect<_>>::balance(wnd_at_asset_hub_rococo, &AssetHubRococoReceiver::get())
+	});
+	let wnds_in_reserve_on_ahw_after =
+		<AssetHubWestend as Chain>::account_data_of(sov_ahr_on_ahw).free;
+
+	// Sender's balance is reduced
+	assert!(sender_wnds_before > sender_wnds_after);
+	// Receiver's balance is increased
+	assert!(receiver_wnds_after > receiver_wnds_before);
+	// Reserve balance is increased by sent amount
+	assert_eq!(wnds_in_reserve_on_ahw_after, wnds_in_reserve_on_ahw_before + amount);
+}
+
+#[test]
+fn send_rocs_from_asset_hub_westend_to_asset_hub_rococo() {
+	let prefund_amount = 10_000_000_000_000u128;
+	let roc_at_asset_hub_westend =
+		MultiLocation { parents: 2, interior: X1(GlobalConsensus(NetworkId::Rococo)) };
+	let owner: AccountId = AssetHubWestend::account_id_of(ALICE);
+	AssetHubWestend::force_create_foreign_asset(
+		roc_at_asset_hub_westend,
+		owner,
+		true,
+		ASSET_MIN_BALANCE,
+		vec![(AssetHubWestendSender::get(), prefund_amount)],
+	);
+
+	// fund the AHW's SA on AHR with the ROC tokens held in reserve
+	let sov_ahw_on_ahr = AssetHubRococo::sovereign_account_of_parachain_on_other_global_consensus(
+		NetworkId::Westend,
+		AssetHubWestend::para_id(),
+	);
+	AssetHubRococo::fund_accounts(vec![(sov_ahw_on_ahr.clone(), prefund_amount)]);
+
+	let rocs_in_reserve_on_ahr_before =
+		<AssetHubRococo as Chain>::account_data_of(sov_ahw_on_ahr.clone()).free;
+	assert_eq!(rocs_in_reserve_on_ahr_before, prefund_amount);
+	let sender_rocs_before = AssetHubWestend::execute_with(|| {
+		type Assets = <AssetHubWestend as AssetHubWestendPallet>::ForeignAssets;
+		<Assets as Inspect<_>>::balance(roc_at_asset_hub_westend, &AssetHubWestendSender::get())
+	});
+	assert_eq!(sender_rocs_before, prefund_amount);
+	let receiver_rocs_before =
+		<AssetHubRococo as Chain>::account_data_of(AssetHubRococoReceiver::get()).free;
+
+	let amount_to_send = ASSET_HUB_ROCOCO_ED * 1_000;
+	send_asset_from_asset_hub_westend_to_asset_hub_rococo(roc_at_asset_hub_westend, amount_to_send);
+	AssetHubRococo::execute_with(|| {
+		type RuntimeEvent = <AssetHubRococo as Chain>::RuntimeEvent;
+		assert_expected_events!(
+			AssetHubRococo,
+			vec![
+				// ROC is withdrawn from AHW's SA on AHR
+				RuntimeEvent::Balances(
+					pallet_balances::Event::Withdraw { who, amount }
+				) => {
+					who: *who == sov_ahw_on_ahr,
+					amount: *amount == amount_to_send,
+				},
+				// ROCs deposited to beneficiary
+				RuntimeEvent::Balances(pallet_balances::Event::Deposit { who, .. }) => {
+					who: *who == AssetHubRococoReceiver::get(),
+				},
+				// message processed successfully
+				RuntimeEvent::MessageQueue(
+					pallet_message_queue::Event::Processed { success: true, .. }
+				) => {},
+			]
+		);
+	});
+
+	let sender_rocs_after = AssetHubWestend::execute_with(|| {
+		type Assets = <AssetHubWestend as AssetHubWestendPallet>::ForeignAssets;
+		<Assets as Inspect<_>>::balance(roc_at_asset_hub_westend, &AssetHubWestendSender::get())
+	});
+	let receiver_rocs_after =
+		<AssetHubRococo as Chain>::account_data_of(AssetHubRococoReceiver::get()).free;
+	let rocs_in_reserve_on_ahr_after =
+		<AssetHubRococo as Chain>::account_data_of(sov_ahw_on_ahr.clone()).free;
+
+	// Sender's balance is reduced
+	assert!(sender_rocs_before > sender_rocs_after);
+	// Receiver's balance is increased
+	assert!(receiver_rocs_after > receiver_rocs_before);
+	// Reserve balance is reduced by sent amount
+	assert_eq!(rocs_in_reserve_on_ahr_after, rocs_in_reserve_on_ahr_before - amount_to_send);
+}
@@ -13,5 +13,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-mod example;
+mod asset_transfers;
+mod send_xcm;
 mod teleport;
@@ -16,7 +16,7 @@
 use crate::*;

 #[test]
-fn example() {
+fn send_xcm_from_westend_relay_to_rococo_asset_hub() {
 	// Init tests variables
 	// XcmPallet send arguments
 	let sudo_origin = <Westend as Chain>::RuntimeOrigin::root();
@@ -30,7 +30,7 @@ fn example() {
 		UnpaidExecution { weight_limit, check_origin },
 		ExportMessage {
 			network: RococoId,
-			destination: X1(Parachain(AssetHubWestend::para_id().into())),
+			destination: X1(Parachain(AssetHubRococo::para_id().into())),
 			xcm: remote_xcm,
 		},
 	]));
@@ -71,4 +71,30 @@ fn example() {
 			]
 		);
 	});
+
+	// Rococo Global Consensus
+	// Receive XCM message in Bridge Hub target Parachain
+	BridgeHubRococo::execute_with(|| {
+		type RuntimeEvent = <BridgeHubRococo as Chain>::RuntimeEvent;
+
+		assert_expected_events!(
+			BridgeHubRococo,
+			vec![
+				RuntimeEvent::XcmpQueue(cumulus_pallet_xcmp_queue::Event::XcmpMessageSent { .. }) => {},
+			]
+		);
+	});
+	// Receive embedded XCM message within `ExportMessage` in Parachain destination
+	AssetHubRococo::execute_with(|| {
+		type RuntimeEvent = <AssetHubRococo as Chain>::RuntimeEvent;
+
+		assert_expected_events!(
+			AssetHubRococo,
+			vec![
+				RuntimeEvent::MessageQueue(pallet_message_queue::Event::ProcessingFailed {
+					..
+				}) => {},
+			]
+		);
+	});
 }
@@ -18,7 +18,7 @@ use bridge_hub_westend_runtime::xcm_config::XcmConfig;

 #[test]
 fn teleport_to_other_system_parachains_works() {
-	let amount = BRIDGE_HUB_ROCOCO_ED * 100;
+	let amount = BRIDGE_HUB_WESTEND_ED * 100;
 	let native_asset: MultiAssets = (Parent, amount).into();

 	test_parachain_is_trusted_teleporter!(