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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| // This file is part of Darwinia. | ||
| // | ||
| // Copyright (C) Darwinia Network | ||
| // SPDX-License-Identifier: GPL-3.0 | ||
| // | ||
| // Darwinia 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. | ||
| // | ||
| // Darwinia 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 Darwinia. If not, see <https://www.gnu.org/licenses/>. | ||
|
|
||
| //! Helpers to deal with configuring the message queue in the runtime. | ||
|
|
||
| // core | ||
| use core::marker::PhantomData; | ||
| // polkadot-sdk | ||
| use cumulus_primitives_core::{AggregateMessageOrigin, ParaId}; | ||
| use frame_support::traits::{QueueFootprint, QueuePausedQuery}; | ||
| use pallet_message_queue::OnQueueChanged; | ||
| use sp_runtime::traits::Convert; | ||
|
|
||
| /// Narrow the scope of the `Inner` query from `AggregateMessageOrigin` to `ParaId`. | ||
| /// | ||
| /// All non-`Sibling` variants will be ignored. | ||
| pub struct NarrowOriginToSibling<Inner>(PhantomData<Inner>); | ||
| impl<Inner: QueuePausedQuery<ParaId>> QueuePausedQuery<AggregateMessageOrigin> | ||
| for NarrowOriginToSibling<Inner> | ||
| { | ||
| fn is_paused(origin: &AggregateMessageOrigin) -> bool { | ||
| match origin { | ||
| AggregateMessageOrigin::Sibling(id) => Inner::is_paused(id), | ||
| _ => false, | ||
| } | ||
| } | ||
| } | ||
| impl<Inner: OnQueueChanged<ParaId>> OnQueueChanged<AggregateMessageOrigin> | ||
| for NarrowOriginToSibling<Inner> | ||
| { | ||
| fn on_queue_changed(origin: AggregateMessageOrigin, fp: QueueFootprint) { | ||
| if let AggregateMessageOrigin::Sibling(id) = origin { | ||
| Inner::on_queue_changed(id, fp) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /// Convert a sibling `ParaId` to an `AggregateMessageOrigin`. | ||
| pub struct ParaIdToSibling; | ||
| impl Convert<ParaId, AggregateMessageOrigin> for ParaIdToSibling { | ||
| fn convert(para_id: ParaId) -> AggregateMessageOrigin { | ||
| AggregateMessageOrigin::Sibling(para_id) | ||
| } | ||
| } |
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