Make System Parachains trusted Teleporters (#1368)

Make System Parachain trusted Teleporters of each other. Migration of https://github.com/paritytech/cumulus/pull/2842 --------- Co-authored-by: command-bot <> Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>
2026-05-31 19:11:02 +00:00 · 2023-10-16 19:52:33 +02:00
parent 4145902f1c
commit e0065cb81b
24 changed files with 465 additions and 84 deletions
@@ -0,0 +1,102 @@
+// 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.
+
+#[macro_export]
+macro_rules! test_parachain_is_trusted_teleporter {
+	( $sender_para:ty, vec![$( $receiver_para:ty ),+], ($assets:expr, $amount:expr) ) => {
+		$crate::paste::paste! {
+			// init Origin variables
+			let sender = [<$sender_para Sender>]::get();
+			let mut para_sender_balance_before =
+				<$sender_para as $crate::Chain>::account_data_of(sender.clone()).free;
+			let origin = <$sender_para as $crate::Chain>::RuntimeOrigin::signed(sender.clone());
+			let fee_asset_item = 0;
+			let weight_limit = $crate::WeightLimit::Unlimited;
+
+			$(
+				{
+					// init Destination variables
+					let receiver = [<$receiver_para Receiver>]::get();
+					let para_receiver_balance_before =
+						<$receiver_para as $crate::Chain>::account_data_of(receiver.clone()).free;
+					let para_destination =
+						<$sender_para>::sibling_location_of(<$receiver_para>::para_id()).into();
+					let beneficiary =
+						$crate::AccountId32 { network: None, id: receiver.clone().into() }.into();
+
+					// Send XCM message from Origin Parachain
+					// We are only testing the limited teleport version, which should be ok since success will
+					// depend only on a proper `XcmConfig` at destination.
+					<$sender_para>::execute_with(|| {
+						assert_ok!(<$sender_para as [<$sender_para Pallet>]>::PolkadotXcm::limited_teleport_assets(
+							origin.clone(),
+							bx!(para_destination),
+							bx!(beneficiary),
+							bx!($assets.clone()),
+							fee_asset_item,
+							weight_limit.clone(),
+						));
+
+						type RuntimeEvent = <$sender_para as $crate::Chain>::RuntimeEvent;
+
+						assert_expected_events!(
+							$sender_para,
+							vec![
+								RuntimeEvent::PolkadotXcm(
+									$crate::pallet_xcm::Event::Attempted { outcome: Outcome::Complete { .. } }
+								) => {},
+								RuntimeEvent::XcmpQueue(
+									$crate::cumulus_pallet_xcmp_queue::Event::XcmpMessageSent { .. }
+								) => {},
+								RuntimeEvent::Balances(
+									$crate::pallet_balances::Event::Withdraw { who: sender, amount }
+								) => {},
+							]
+						);
+					});
+
+					// Receive XCM message in Destination Parachain
+					<$receiver_para>::execute_with(|| {
+						type RuntimeEvent = <$receiver_para as $crate::Chain>::RuntimeEvent;
+
+						assert_expected_events!(
+							$receiver_para,
+							vec![
+								RuntimeEvent::Balances(
+									$crate::pallet_balances::Event::Deposit { who: receiver, .. }
+								) => {},
+								RuntimeEvent::XcmpQueue(
+									$crate::cumulus_pallet_xcmp_queue::Event::Success { .. }
+								) => {},
+							]
+						);
+					});
+
+					// Check if balances are updated accordingly in Origin and Destination Parachains
+					let para_sender_balance_after =
+						<$sender_para as $crate::Chain>::account_data_of(sender.clone()).free;
+					let para_receiver_balance_after =
+						<$receiver_para as $crate::Chain>::account_data_of(receiver.clone()).free;
+
+					assert_eq!(para_sender_balance_before - $amount, para_sender_balance_after);
+					assert!(para_receiver_balance_after > para_receiver_balance_before);
+
+					// Update sender balance
+					para_sender_balance_before = <$sender_para as $crate::Chain>::account_data_of(sender.clone()).free;
+				}
+			)+
+		}
+	};
+}