mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-08-07 05:25:46 +00:00
Branislav Kontur
96 lines
2.9 KiB
Rust
96 lines
2.9 KiB
Rust
// Copyright (C) Parity Technologies (UK) Ltd.
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// This file is part of Polkadot.
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// Polkadot is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Polkadot is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
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use super::*;
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use frame_support::{assert_ok, traits::Everything};
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use xcm_executor::traits::Properties;
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fn props() -> Properties {
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Properties { weight_credit: Weight::zero(), message_id: None }
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}
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#[test]
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fn trailing_set_topic_as_id_with_unique_topic_should_work() {
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type AllowSubscriptions = AllowSubscriptionsFrom<Everything>;
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// check the validity of XCM for the `AllowSubscriptions` barrier
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let valid_xcm = Xcm::<()>(vec![SubscribeVersion {
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query_id: 42,
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max_response_weight: Weight::from_parts(5000, 5000),
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}]);
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assert_eq!(
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AllowSubscriptions::should_execute(
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&Location::parent(),
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valid_xcm.clone().inner_mut(),
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Weight::from_parts(10, 10),
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&mut props(),
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),
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Ok(())
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);
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// simulate sending `valid_xcm` with the `WithUniqueTopic` router
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let mut sent_xcm = sp_io::TestExternalities::default().execute_with(|| {
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assert_ok!(send_xcm::<WithUniqueTopic<TestMessageSender>>(Location::parent(), valid_xcm,));
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sent_xcm()
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});
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assert_eq!(1, sent_xcm.len());
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// `sent_xcm` should contain `SubscribeVersion` and have `SetTopic` added
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let mut sent_xcm = sent_xcm.remove(0).1;
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let _ = sent_xcm
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.0
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.matcher()
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.assert_remaining_insts(2)
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.expect("two instructions")
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.match_next_inst(|instr| match instr {
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SubscribeVersion { .. } => Ok(()),
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_ => Err(ProcessMessageError::BadFormat),
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})
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.expect("expected instruction `SubscribeVersion`")
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.match_next_inst(|instr| match instr {
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SetTopic(..) => Ok(()),
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_ => Err(ProcessMessageError::BadFormat),
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})
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.expect("expected instruction `SetTopic`");
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// `sent_xcm` contains `SetTopic` and is now invalid for `AllowSubscriptions`
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assert_eq!(
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AllowSubscriptions::should_execute(
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&Location::parent(),
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sent_xcm.clone().inner_mut(),
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Weight::from_parts(10, 10),
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&mut props(),
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),
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Err(ProcessMessageError::BadFormat)
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);
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// let's apply `TrailingSetTopicAsId` before `AllowSubscriptions`
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let mut props = props();
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assert!(props.message_id.is_none());
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// should pass, and the `message_id` is set
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assert_eq!(
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TrailingSetTopicAsId::<AllowSubscriptions>::should_execute(
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&Location::parent(),
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sent_xcm.clone().inner_mut(),
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Weight::from_parts(10, 10),
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&mut props,
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),
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Ok(())
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);
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assert!(props.message_id.is_some());
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}
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