pallet_xcm/
xcm_helpers.rs

1// Copyright (C) Parity Technologies (UK) Ltd.
2// SPDX-License-Identifier: Apache-2.0
3
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8// 	http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15
16use xcm::latest::XcmHash;
17
18/// Finds the message ID of the first `XcmPallet::Sent` event in the given events.
19pub fn find_xcm_sent_message_id<T>(
20	events: impl IntoIterator<Item = <T as crate::Config>::RuntimeEvent>,
21) -> Option<XcmHash>
22where
23	T: crate::Config,
24	<T as crate::Config>::RuntimeEvent: TryInto<crate::Event<T>>,
25{
26	events.into_iter().find_map(|event| {
27		if let Ok(crate::Event::Sent { message_id, .. }) = event.try_into() {
28			Some(message_id)
29		} else {
30			None
31		}
32	})
33}
pallet_xcm/xcm_helpers.rs

pallet_xcm/
xcm_helpers.rs
