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// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Polkadot is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
use crate::{
mock::*, AssetTraps, CurrentMigration, Error, LatestVersionedMultiLocation, Queries,
QueryStatus, VersionDiscoveryQueue, VersionNotifiers, VersionNotifyTargets,
};
use frame_support::{
assert_noop, assert_ok,
traits::{Currency, Hooks},
use polkadot_parachain::primitives::Id as ParaId;
use sp_runtime::traits::{AccountIdConversion, BlakeTwo256, Hash};
use xcm_builder::AllowKnownQueryResponses;
use xcm_executor::{traits::ShouldExecute, XcmExecutor};
const ALICE: AccountId = AccountId::new([0u8; 32]);
const BOB: AccountId = AccountId::new([1u8; 32]);
const PARA_ID: u32 = 2000;
const INITIAL_BALANCE: u128 = 100;
const SEND_AMOUNT: u128 = 10;
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#[test]
fn report_outcome_notify_works() {
let balances = vec![
(ALICE, INITIAL_BALANCE),
(ParaId::from(PARA_ID).into_account_truncating(), INITIAL_BALANCE),
];
let sender: MultiLocation = AccountId32 { network: None, id: ALICE.into() }.into();
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let mut message = Xcm(vec![TransferAsset {
assets: (Here, SEND_AMOUNT).into(),
beneficiary: sender.clone(),
}]);
let call = pallet_test_notifier::Call::notification_received {
query_id: 0,
response: Default::default(),
};
let notify = RuntimeCall::TestNotifier(call);
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new_test_ext_with_balances(balances).execute_with(|| {
XcmPallet::report_outcome_notify(
&mut message,
Parachain(PARA_ID).into_location(),
notify,
100,
)
.unwrap();
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assert_eq!(
message,
Xcm(vec![
SetAppendix(Xcm(vec![ReportError(QueryResponseInfo {
destination: Parent.into(),
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query_id: 0,
max_weight: Weight::from_parts(1_000_000, 1_000_000),
})])),
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TransferAsset { assets: (Here, SEND_AMOUNT).into(), beneficiary: sender.clone() },
])
);
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let status = QueryStatus::Pending {
responder: MultiLocation::from(Parachain(PARA_ID)).into(),
maybe_notify: Some((4, 2)),
timeout: 100,
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};
assert_eq!(crate::Queries::<Test>::iter().collect::<Vec<_>>(), vec![(0, status)]);
let message = Xcm(vec![QueryResponse {
query_id: 0,
response: Response::ExecutionResult(None),
max_weight: Weight::from_parts(1_000_000, 1_000_000),
querier: Some(querier),
}]);
let hash = fake_message_hash(&message);
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let r = XcmExecutor::<XcmConfig>::execute_xcm(
Parachain(PARA_ID),
message,
hash,
Weight::from_parts(1_000_000_000, 1_000_000_000),
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);
assert_eq!(r, Outcome::Complete(Weight::from_parts(1_000, 1_000)));
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assert_eq!(
last_events(2),
vec![
RuntimeEvent::TestNotifier(pallet_test_notifier::Event::ResponseReceived(
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Parachain(PARA_ID).into(),
0,
Response::ExecutionResult(None),
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)),
RuntimeEvent::XcmPallet(crate::Event::Notified(0, 4, 2)),
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]
);
assert_eq!(crate::Queries::<Test>::iter().collect::<Vec<_>>(), vec![]);
});
}
#[test]
fn report_outcome_works() {
let balances = vec![
(ALICE, INITIAL_BALANCE),
(ParaId::from(PARA_ID).into_account_truncating(), INITIAL_BALANCE),
];
let sender: MultiLocation = AccountId32 { network: None, id: ALICE.into() }.into();
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let mut message = Xcm(vec![TransferAsset {
assets: (Here, SEND_AMOUNT).into(),
beneficiary: sender.clone(),
}]);
new_test_ext_with_balances(balances).execute_with(|| {
XcmPallet::report_outcome(&mut message, Parachain(PARA_ID).into_location(), 100).unwrap();
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assert_eq!(
message,
Xcm(vec![
SetAppendix(Xcm(vec![ReportError(QueryResponseInfo {
destination: Parent.into(),
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query_id: 0,
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TransferAsset { assets: (Here, SEND_AMOUNT).into(), beneficiary: sender.clone() },
])
);
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let status = QueryStatus::Pending {
responder: MultiLocation::from(Parachain(PARA_ID)).into(),
maybe_notify: None,
timeout: 100,
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};
assert_eq!(crate::Queries::<Test>::iter().collect::<Vec<_>>(), vec![(0, status)]);
let message = Xcm(vec![QueryResponse {
query_id: 0,
response: Response::ExecutionResult(None),
max_weight: Weight::zero(),
querier: Some(querier),
}]);
let hash = fake_message_hash(&message);
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let r = XcmExecutor::<XcmConfig>::execute_xcm(
Parachain(PARA_ID),
message,
hash,
Weight::from_parts(1_000_000_000, 1_000_000_000),
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);
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assert_eq!(r, Outcome::Complete(Weight::from_parts(1_000, 1_000)));
assert_eq!(
last_event(),
RuntimeEvent::XcmPallet(crate::Event::ResponseReady(
0,
Response::ExecutionResult(None),
))
);
let response = Some((Response::ExecutionResult(None), 1));
assert_eq!(XcmPallet::take_response(0), response);
});
}
#[test]
fn custom_querier_works() {
let balances = vec![
(ALICE, INITIAL_BALANCE),
(ParaId::from(PARA_ID).into_account_truncating(), INITIAL_BALANCE),
];
new_test_ext_with_balances(balances).execute_with(|| {
let querier: MultiLocation =
(Parent, AccountId32 { network: None, id: ALICE.into() }).into();
let r = TestNotifier::prepare_new_query(RuntimeOrigin::signed(ALICE), querier.clone());
assert_eq!(r, Ok(()));
let status = QueryStatus::Pending {
responder: MultiLocation::from(AccountId32 { network: None, id: ALICE.into() }).into(),
maybe_notify: None,
timeout: 100,
maybe_match_querier: Some(querier.clone().into()),
};
assert_eq!(crate::Queries::<Test>::iter().collect::<Vec<_>>(), vec![(0, status)]);
// Supplying no querier when one is expected will fail
let message = Xcm(vec![QueryResponse {
query_id: 0,
response: Response::ExecutionResult(None),
max_weight: Weight::zero(),
querier: None,
}]);
let hash = fake_message_hash(&message);
let r = XcmExecutor::<XcmConfig>::execute_xcm_in_credit(
AccountId32 { network: None, id: ALICE.into() },
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