Adds Snowbridge to Rococo runtime (#2522)

# Description Adds Snowbridge to the Rococo bridge hub runtime. Includes config changes required in Rococo asset hub. --------- Co-authored-by: Alistair Singh <alistair.singh7@gmail.com> Co-authored-by: ron <yrong1997@gmail.com> Co-authored-by: Vincent Geddes <vincent.geddes@hey.com> Co-authored-by: claravanstaden <Cats 4 life!>
2026-05-30 23:21:02 +00:00 · 2023-12-21 18:06:36 +02:00
parent 9f5221cc2f
commit 18d53dbf91
151 changed files with 19379 additions and 149 deletions
@@ -12,8 +12,12 @@ workspace = true

 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.4.0", default-features = false }
+scale-info = { version = "2.10.0", default-features = false, features = ["derive"] }
+hex = "0.4.3"
+hex-literal = "0.4.1"

 # Substrate
+sp-core = { path = "../../../../../../../substrate/primitives/core", 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 }
@@ -37,3 +41,14 @@ cumulus-pallet-dmp-queue = { path = "../../../../../../pallets/dmp-queue", defau
 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-westend-system-emulated-network = { path = "../../../networks/rococo-westend-system" }
+penpal-runtime = { path = "../../../../../runtimes/testing/penpal", default-features = false }
+rococo-system-emulated-network = { path = "../../../networks/rococo-system" }
+asset-hub-rococo-runtime = { path = "../../../../../runtimes/assets/asset-hub-rococo", default-features = false }
+
+# Snowbridge
+snowbridge-core = { path = "../../../../../../../bridges/snowbridge/parachain/primitives/core", default-features = false }
+snowbridge-router-primitives = { path = "../../../../../../../bridges/snowbridge/parachain/primitives/router", default-features = false }
+snowbridge-system = { path = "../../../../../../../bridges/snowbridge/parachain/pallets/system", default-features = false }
+snowbridge-inbound-queue = { path = "../../../../../../../bridges/snowbridge/parachain/pallets/inbound-queue", default-features = false }
+snowbridge-outbound-queue = { path = "../../../../../../../bridges/snowbridge/parachain/pallets/outbound-queue", default-features = false }
+snowbridge-rococo-common = { path = "../../../../../../../bridges/snowbridge/parachain/runtime/rococo-common", default-features = false }
@@ -43,6 +43,11 @@ pub use emulated_integration_tests_common::{
 	PROOF_SIZE_THRESHOLD, REF_TIME_THRESHOLD, XCM_V3,
 };
 pub use parachains_common::{AccountId, Balance};
+pub use rococo_system_emulated_network::{
+	penpal_emulated_chain::PenpalAParaPallet as PenpalAPallet,
+	BridgeHubRococoParaReceiver as BridgeHubRococoReceiver, PenpalAPara as PenpalA,
+	PenpalAParaReceiver as PenpalAReceiver, PenpalAParaSender as PenpalASender,
+};
 pub use rococo_westend_system_emulated_network::{
 	asset_hub_rococo_emulated_chain::{
 		genesis::ED as ASSET_HUB_ROCOCO_ED, AssetHubRococoParaPallet as AssetHubRococoPallet,
@@ -53,12 +58,13 @@ pub use rococo_westend_system_emulated_network::{
 	bridge_hub_rococo_emulated_chain::{
 		genesis::ED as BRIDGE_HUB_ROCOCO_ED, BridgeHubRococoParaPallet as BridgeHubRococoPallet,
 	},
-	rococo_emulated_chain::RococoRelayPallet as RococoPallet,
+	rococo_emulated_chain::{genesis::ED as ROCOCO_ED, RococoRelayPallet as RococoPallet},
 	AssetHubRococoPara as AssetHubRococo, AssetHubRococoParaReceiver as AssetHubRococoReceiver,
 	AssetHubRococoParaSender as AssetHubRococoSender, AssetHubWestendPara as AssetHubWestend,
 	AssetHubWestendParaReceiver as AssetHubWestendReceiver, BridgeHubRococoPara as BridgeHubRococo,
 	BridgeHubRococoParaSender as BridgeHubRococoSender, BridgeHubWestendPara as BridgeHubWestend,
-	RococoRelay as Rococo,
+	RococoRelay as Rococo, RococoRelayReceiver as RococoReceiver,
+	RococoRelaySender as RococoSender,
 };

 pub const ASSET_ID: u32 = 1;
@@ -17,6 +17,7 @@ use crate::*;

 mod asset_transfers;
 mod send_xcm;
+mod snowbridge;
 mod teleport;

 pub(crate) fn asset_hub_westend_location() -> MultiLocation {
@@ -0,0 +1,505 @@
+// 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::*;
+use codec::{Decode, Encode};
+use emulated_integration_tests_common::xcm_emulator::ConvertLocation;
+use frame_support::pallet_prelude::TypeInfo;
+use hex_literal::hex;
+use snowbridge_core::outbound::OperatingMode;
+use snowbridge_rococo_common::EthereumNetwork;
+use snowbridge_router_primitives::inbound::{
+	Command, Destination, GlobalConsensusEthereumConvertsFor, MessageV1, VersionedMessage,
+};
+use snowbridge_system;
+use sp_core::H256;
+
+const INITIAL_FUND: u128 = 5_000_000_000 * ROCOCO_ED;
+const CHAIN_ID: u64 = 11155111;
+const TREASURY_ACCOUNT: [u8; 32] =
+	hex!("6d6f646c70792f74727372790000000000000000000000000000000000000000");
+const WETH: [u8; 20] = hex!("87d1f7fdfEe7f651FaBc8bFCB6E086C278b77A7d");
+const ETHEREUM_DESTINATION_ADDRESS: [u8; 20] = hex!("44a57ee2f2FCcb85FDa2B0B18EBD0D8D2333700e");
+const XCM_FEE: u128 = 4_000_000_000;
+
+#[derive(Encode, Decode, Debug, PartialEq, Eq, Clone, TypeInfo)]
+pub enum ControlCall {
+	#[codec(index = 3)]
+	CreateAgent,
+	#[codec(index = 4)]
+	CreateChannel { mode: OperatingMode },
+}
+
+#[allow(clippy::large_enum_variant)]
+#[derive(Encode, Decode, Debug, PartialEq, Eq, Clone, TypeInfo)]
+pub enum SnowbridgeControl {
+	#[codec(index = 83)]
+	Control(ControlCall),
+}
+
+#[test]
+fn create_agent() {
+	let origin_para: u32 = 1001;
+
+	BridgeHubRococo::fund_para_sovereign(origin_para.into(), INITIAL_FUND);
+
+	let sudo_origin = <Rococo as Chain>::RuntimeOrigin::root();
+	let destination = Rococo::child_location_of(BridgeHubRococo::para_id()).into();
+
+	let create_agent_call = SnowbridgeControl::Control(ControlCall::CreateAgent {});
+
+	let remote_xcm = VersionedXcm::from(Xcm(vec![
+		UnpaidExecution { weight_limit: Unlimited, check_origin: None },
+		DescendOrigin(X1(Parachain(origin_para))),
+		Transact {
+			require_weight_at_most: 3000000000.into(),
+			origin_kind: OriginKind::Xcm,
+			call: create_agent_call.encode().into(),
+		},
+	]));
+
+	//Rococo Global Consensus
+	// Send XCM message from Relay Chain to Bridge Hub source Parachain
+	Rococo::execute_with(|| {
+		assert_ok!(<Rococo as RococoPallet>::XcmPallet::send(
+			sudo_origin,
+			bx!(destination),
+			bx!(remote_xcm),
+		));
+
+		type RuntimeEvent = <Rococo as Chain>::RuntimeEvent;
+
+		assert_expected_events!(
+			Rococo,
+			vec![
+				RuntimeEvent::XcmPallet(pallet_xcm::Event::Sent { .. }) => {},
+			]
+		);
+	});
+
+	BridgeHubRococo::execute_with(|| {
+		type RuntimeEvent = <BridgeHubRococo as Chain>::RuntimeEvent;
+
+		assert_expected_events!(
+			BridgeHubRococo,
+			vec![
+				RuntimeEvent::EthereumSystem(snowbridge_system::Event::CreateAgent {
+					..
+				}) => {},
+			]
+		);
+	});
+}
+
+#[test]
+fn create_channel() {
+	let origin_para: u32 = 1001;
+
+	BridgeHubRococo::fund_para_sovereign(origin_para.into(), INITIAL_FUND);
+
+	let sudo_origin = <Rococo as Chain>::RuntimeOrigin::root();
+	let destination: VersionedMultiLocation =
+		Rococo::child_location_of(BridgeHubRococo::para_id()).into();
+
+	let create_agent_call = SnowbridgeControl::Control(ControlCall::CreateAgent {});
+
+	let create_agent_xcm = VersionedXcm::from(Xcm(vec![
+		UnpaidExecution { weight_limit: Unlimited, check_origin: None },
+		DescendOrigin(X1(Parachain(origin_para))),
+		Transact {
+			require_weight_at_most: 3000000000.into(),
+			origin_kind: OriginKind::Xcm,
+			call: create_agent_call.encode().into(),
+		},
+	]));
+
+	let create_channel_call =
+		SnowbridgeControl::Control(ControlCall::CreateChannel { mode: OperatingMode::Normal });
+
+	let create_channel_xcm = VersionedXcm::from(Xcm(vec![
+		UnpaidExecution { weight_limit: Unlimited, check_origin: None },
+		DescendOrigin(X1(Parachain(origin_para))),
+		Transact {
+			require_weight_at_most: 3000000000.into(),
+			origin_kind: OriginKind::Xcm,
+			call: create_channel_call.encode().into(),
+		},
+	]));
+
+	//Rococo Global Consensus
+	// Send XCM message from Relay Chain to Bridge Hub source Parachain
+	Rococo::execute_with(|| {
+		assert_ok!(<Rococo as RococoPallet>::XcmPallet::send(
+			sudo_origin.clone(),
+			bx!(destination.clone()),
+			bx!(create_agent_xcm),
+		));
+
+		assert_ok!(<Rococo as RococoPallet>::XcmPallet::send(
+			sudo_origin,
+			bx!(destination),
+			bx!(create_channel_xcm),
+		));
+
+		type RuntimeEvent = <Rococo as Chain>::RuntimeEvent;
+
+		assert_expected_events!(
+			Rococo,
+			vec![
+				RuntimeEvent::XcmPallet(pallet_xcm::Event::Sent { .. }) => {},
+			]
+		);
+	});
+
+	BridgeHubRococo::execute_with(|| {
+		type RuntimeEvent = <BridgeHubRococo as Chain>::RuntimeEvent;
+
+		assert_expected_events!(
+			BridgeHubRococo,
+			vec![
+				RuntimeEvent::EthereumSystem(snowbridge_system::Event::CreateChannel {
+					..
+				}) => {},
+			]
+		);
+	});
+}
+
+#[test]
+fn register_weth_token_from_ethereum_to_asset_hub() {
+	BridgeHubRococo::fund_para_sovereign(AssetHubRococo::para_id().into(), INITIAL_FUND);
+
+	let message_id_: H256 = [1; 32].into();
+
+	BridgeHubRococo::execute_with(|| {
+		type RuntimeEvent = <BridgeHubRococo as Chain>::RuntimeEvent;
+		type EthereumInboundQueue =
+			<BridgeHubRococo as BridgeHubRococoPallet>::EthereumInboundQueue;
+		let message = VersionedMessage::V1(MessageV1 {
+			chain_id: CHAIN_ID,
+			command: Command::RegisterToken { token: WETH.into(), fee: XCM_FEE },
+		});
+		let (xcm, _) = EthereumInboundQueue::do_convert(message_id_, message).unwrap();
+		let _ = EthereumInboundQueue::send_xcm(xcm, AssetHubRococo::para_id().into()).unwrap();
+
+		assert_expected_events!(
+			BridgeHubRococo,
+			vec![
+				RuntimeEvent::XcmpQueue(cumulus_pallet_xcmp_queue::Event::XcmpMessageSent { .. }) => {},
+			]
+		);
+	});
+
+	AssetHubRococo::execute_with(|| {
+		type RuntimeEvent = <AssetHubRococo as Chain>::RuntimeEvent;
+
+		assert_expected_events!(
+			AssetHubRococo,
+			vec![
+				RuntimeEvent::ForeignAssets(pallet_assets::Event::Created { .. }) => {},
+			]
+		);
+	});
+}
+
+#[test]
+fn send_token_from_ethereum_to_penpal() {
+	let asset_hub_sovereign = BridgeHubRococo::sovereign_account_id_of(MultiLocation {
+		parents: 1,
+		interior: X1(Parachain(AssetHubRococo::para_id().into())),
+	});
+	BridgeHubRococo::fund_accounts(vec![(asset_hub_sovereign.clone(), INITIAL_FUND)]);
+
+	PenpalA::fund_accounts(vec![
+		(PenpalAReceiver::get(), INITIAL_FUND),
+		(PenpalASender::get(), INITIAL_FUND),
+	]);
+
+	let weth_asset_location: MultiLocation =
+		(Parent, Parent, EthereumNetwork::get(), AccountKey20 { network: None, key: WETH }).into();
+	let weth_asset_id = weth_asset_location.into();
+
+	let origin_location = (Parent, Parent, EthereumNetwork::get()).into();
+
+	// Fund ethereum sovereign in asset hub
+	let ethereum_sovereign: AccountId =
+		GlobalConsensusEthereumConvertsFor::<AccountId>::convert_location(&origin_location)
+			.unwrap();
+	AssetHubRococo::fund_accounts(vec![(ethereum_sovereign.clone(), INITIAL_FUND)]);
+
+	// Create asset on assethub.
+	AssetHubRococo::execute_with(|| {
+		assert_ok!(<AssetHubRococo as AssetHubRococoPallet>::ForeignAssets::create(
+			pallet_xcm::Origin::Xcm(origin_location).into(),
+			weth_asset_id,
+			asset_hub_sovereign.clone().into(),
+			1000,
+		));
+
+		assert!(<AssetHubRococo as AssetHubRococoPallet>::ForeignAssets::asset_exists(
+			weth_asset_id
+		));
+	});
+
+	// Create asset on penpal.
+	PenpalA::execute_with(|| {
+		assert_ok!(<PenpalA as PenpalAPallet>::ForeignAssets::create(
+			<PenpalA as Chain>::RuntimeOrigin::signed(PenpalASender::get()),
+			weth_asset_id,
+			asset_hub_sovereign.into(),
+			1000,
+		));
+
+		assert!(<PenpalA as PenpalAPallet>::ForeignAssets::asset_exists(weth_asset_id));
+	});
+
+	let message_id_: H256 = [1; 32].into();
+
+	BridgeHubRococo::execute_with(|| {
+		type RuntimeEvent = <BridgeHubRococo as Chain>::RuntimeEvent;
+		type EthereumInboundQueue =
+			<BridgeHubRococo as BridgeHubRococoPallet>::EthereumInboundQueue;
+		let message = VersionedMessage::V1(MessageV1 {
+			chain_id: CHAIN_ID,
+			command: Command::SendToken {
+				token: WETH.into(),
+				destination: Destination::ForeignAccountId32 {
+					para_id: 2000,
+					id: PenpalAReceiver::get().into(),
+					fee: XCM_FEE,
+				},
+				amount: 1_000_000_000,
+				fee: XCM_FEE,
+			},
+		});
+		let (xcm, _) = EthereumInboundQueue::do_convert(message_id_, message).unwrap();
+		let _ = EthereumInboundQueue::send_xcm(xcm, AssetHubRococo::para_id().into()).unwrap();
+
+		assert_expected_events!(
+			BridgeHubRococo,
+			vec![
+				RuntimeEvent::XcmpQueue(cumulus_pallet_xcmp_queue::Event::XcmpMessageSent { .. }) => {},
+			]
+		);
+	});
+
+	AssetHubRococo::execute_with(|| {
+		type RuntimeEvent = <AssetHubRococo as Chain>::RuntimeEvent;
+
+		assert_expected_events!(
+			AssetHubRococo,
+			vec![
+				RuntimeEvent::ForeignAssets(pallet_assets::Event::Issued { .. }) => {},
+				RuntimeEvent::XcmpQueue(cumulus_pallet_xcmp_queue::Event::XcmpMessageSent { .. }) => {},
+			]
+		);
+	});
+
+	PenpalA::execute_with(|| {
+		type RuntimeEvent = <PenpalA as Chain>::RuntimeEvent;
+
+		assert_expected_events!(
+			PenpalA,
+			vec![
+				RuntimeEvent::ForeignAssets(pallet_assets::Event::Issued { .. }) => {},
+			]
+		);
+	});
+}
+
+#[test]
+fn send_token_from_ethereum_to_asset_hub() {
+	BridgeHubRococo::fund_para_sovereign(AssetHubRococo::para_id().into(), INITIAL_FUND);
+
+	// Fund ethereum sovereign in asset hub
+	AssetHubRococo::fund_accounts(vec![(AssetHubRococoReceiver::get(), INITIAL_FUND)]);
+
+	let message_id_: H256 = [1; 32].into();
+
+	BridgeHubRococo::execute_with(|| {
+		type RuntimeEvent = <BridgeHubRococo as Chain>::RuntimeEvent;
+		type EthereumInboundQueue =
+			<BridgeHubRococo as BridgeHubRococoPallet>::EthereumInboundQueue;
+		let message = VersionedMessage::V1(MessageV1 {
+			chain_id: CHAIN_ID,
+			command: Command::RegisterToken { token: WETH.into(), fee: XCM_FEE },
+		});
+		let (xcm, _) = EthereumInboundQueue::do_convert(message_id_, message).unwrap();
+		let _ = EthereumInboundQueue::send_xcm(xcm, AssetHubRococo::para_id().into()).unwrap();
+		let message = VersionedMessage::V1(MessageV1 {
+			chain_id: CHAIN_ID,
+			command: Command::SendToken {
+				token: WETH.into(),
+				destination: Destination::AccountId32 { id: AssetHubRococoReceiver::get().into() },
+				amount: 1_000_000_000,
+				fee: XCM_FEE,
+			},
+		});
+		let (xcm, _) = EthereumInboundQueue::do_convert(message_id_, message).unwrap();
+		let _ = EthereumInboundQueue::send_xcm(xcm, AssetHubRococo::para_id().into()).unwrap();
+
+		assert_expected_events!(
+			BridgeHubRococo,
+			vec![
+				RuntimeEvent::XcmpQueue(cumulus_pallet_xcmp_queue::Event::XcmpMessageSent { .. }) => {},
+			]
+		);
+	});
+
+	AssetHubRococo::execute_with(|| {
+		type RuntimeEvent = <AssetHubRococo as Chain>::RuntimeEvent;
+
+		assert_expected_events!(
+			AssetHubRococo,
+			vec![
+				RuntimeEvent::ForeignAssets(pallet_assets::Event::Issued { .. }) => {},
+			]
+		);
+	});
+}
+
+#[test]
+fn send_weth_asset_from_asset_hub_to_ethereum() {
+	use asset_hub_rococo_runtime::xcm_config::bridging::to_ethereum::DefaultBridgeHubEthereumBaseFee;
+	let assethub_sovereign = BridgeHubRococo::sovereign_account_id_of(MultiLocation {
+		parents: 1,
+		interior: X1(Parachain(AssetHubRococo::para_id().into())),
+	});
+
+	AssetHubRococo::force_default_xcm_version(Some(XCM_VERSION));
+	BridgeHubRococo::force_default_xcm_version(Some(XCM_VERSION));
+	AssetHubRococo::force_xcm_version(
+		MultiLocation {
+			parents: 2,
+			interior: X1(GlobalConsensus(Ethereum { chain_id: CHAIN_ID })),
+		},
+		XCM_VERSION,
+	);
+
+	BridgeHubRococo::fund_accounts(vec![(assethub_sovereign.clone(), INITIAL_FUND)]);
+	AssetHubRococo::fund_accounts(vec![(AssetHubRococoReceiver::get(), INITIAL_FUND)]);
+
+	const WETH_AMOUNT: u128 = 1_000_000_000;
+	let message_id_: H256 = [1; 32].into();
+
+	BridgeHubRococo::execute_with(|| {
+		type RuntimeEvent = <BridgeHubRococo as Chain>::RuntimeEvent;
+		type EthereumInboundQueue =
+			<BridgeHubRococo as BridgeHubRococoPallet>::EthereumInboundQueue;
+
+		let message = VersionedMessage::V1(MessageV1 {
+			chain_id: CHAIN_ID,
+			command: Command::RegisterToken { token: WETH.into(), fee: XCM_FEE },
+		});
+		let (xcm, _) = EthereumInboundQueue::do_convert(message_id_, message).unwrap();
+		let _ = EthereumInboundQueue::send_xcm(xcm, AssetHubRococo::para_id().into()).unwrap();
+		let message = VersionedMessage::V1(MessageV1 {
+			chain_id: CHAIN_ID,
+			command: Command::SendToken {
+				token: WETH.into(),
+				destination: Destination::AccountId32 { id: AssetHubRococoReceiver::get().into() },
+				amount: WETH_AMOUNT,
+				fee: XCM_FEE,
+			},
+		});
+		let (xcm, _) = EthereumInboundQueue::do_convert(message_id_, message).unwrap();
+		let _ = EthereumInboundQueue::send_xcm(xcm, AssetHubRococo::para_id().into()).unwrap();
+
+		assert_expected_events!(
+			BridgeHubRococo,
+			vec![
+				RuntimeEvent::XcmpQueue(cumulus_pallet_xcmp_queue::Event::XcmpMessageSent { .. }) => {},
+			]
+		);
+	});
+
+	AssetHubRococo::execute_with(|| {
+		type RuntimeEvent = <AssetHubRococo as Chain>::RuntimeEvent;
+		type RuntimeOrigin = <AssetHubRococo as Chain>::RuntimeOrigin;
+
+		assert_expected_events!(
+			AssetHubRococo,
+			vec![
+				RuntimeEvent::ForeignAssets(pallet_assets::Event::Issued { .. }) => {},
+			]
+		);
+		let assets = vec![MultiAsset {
+			id: Concrete(MultiLocation {
+				parents: 2,
+				interior: X2(
+					GlobalConsensus(Ethereum { chain_id: CHAIN_ID }),
+					AccountKey20 { network: None, key: WETH },
+				),
+			}),
+			fun: Fungible(WETH_AMOUNT),
+		}];
+		let multi_assets = VersionedMultiAssets::V3(MultiAssets::from(assets));
+
+		let destination = VersionedMultiLocation::V3(MultiLocation {
+			parents: 2,
+			interior: X1(GlobalConsensus(Ethereum { chain_id: CHAIN_ID })),
+		});
+
+		let beneficiary = VersionedMultiLocation::V3(MultiLocation {
+			parents: 0,
+			interior: X1(AccountKey20 { network: None, key: ETHEREUM_DESTINATION_ADDRESS.into() }),
+		});
+
+		let free_balance_before = <AssetHubRococo as AssetHubRococoPallet>::Balances::free_balance(
+			AssetHubRococoReceiver::get(),
+		);
+		<AssetHubRococo as AssetHubRococoPallet>::PolkadotXcm::reserve_transfer_assets(
+			RuntimeOrigin::signed(AssetHubRococoReceiver::get()),
+			Box::new(destination),
+			Box::new(beneficiary),
+			Box::new(multi_assets),
+			0,
+		)
+		.unwrap();
+		let free_balance_after = <AssetHubRococo as AssetHubRococoPallet>::Balances::free_balance(
+			AssetHubRococoReceiver::get(),
+		);
+		// assert at least DefaultBridgeHubEthereumBaseFee charged from the sender
+		let free_balance_diff = free_balance_before - free_balance_after;
+		assert!(free_balance_diff > DefaultBridgeHubEthereumBaseFee::get());
+	});
+
+	BridgeHubRococo::execute_with(|| {
+		type RuntimeEvent = <BridgeHubRococo as Chain>::RuntimeEvent;
+
+		assert_expected_events!(
+			BridgeHubRococo,
+			vec![
+				RuntimeEvent::EthereumOutboundQueue(snowbridge_outbound_queue::Event::MessageQueued {..}) => {},
+			]
+		);
+		let events = BridgeHubRococo::events();
+		assert!(
+			events.iter().any(|event| matches!(
+				event,
+				RuntimeEvent::Balances(pallet_balances::Event::Deposit{ who, amount })
+					if *who == TREASURY_ACCOUNT.into() && *amount == 16903333
+			)),
+			"Snowbridge sovereign takes local fee."
+		);
+		assert!(
+			events.iter().any(|event| matches!(
+				event,
+				RuntimeEvent::Balances(pallet_balances::Event::Deposit{ who, amount })
+					if *who == assethub_sovereign && *amount == 2680000000000,
+			)),
+			"AssetHub sovereign takes remote fee."
+		);
+	});
+}