mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-06 23:08:03 +00:00
Bastian Köcher
e3e651f72c
* Happy new year Updates the copyright years and fixes wrong license headers. * Fix the template * Split HEADER into HEADER-APACHE & HEADER-GPL
54 lines
1.8 KiB
Rust
54 lines
1.8 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2017-2021 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
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// This program 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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// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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use crate::error::Error;
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use futures::{future, prelude::*};
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use sp_runtime::traits::Block as BlockT;
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use sp_runtime::generic::BlockId;
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use codec::Encode;
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use sp_consensus::import_queue::ImportQueue;
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use sc_client_api::{BlockBackend, UsageProvider};
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use std::pin::Pin;
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use std::sync::Arc;
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use crate::chain_ops::import_blocks;
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/// Re-validate known block.
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pub fn check_block<B, IQ, C>(
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client: Arc<C>,
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import_queue: IQ,
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block_id: BlockId<B>
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) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send>>
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where
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C: BlockBackend<B> + UsageProvider<B> + Send + Sync + 'static,
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B: BlockT + for<'de> serde::Deserialize<'de>,
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IQ: ImportQueue<B> + 'static,
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{
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match client.block(&block_id) {
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Ok(Some(block)) => {
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let mut buf = Vec::new();
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1u64.encode_to(&mut buf);
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block.encode_to(&mut buf);
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let reader = std::io::Cursor::new(buf);
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import_blocks(client, import_queue, reader, true, true)
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}
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Ok(None) => Box::pin(future::err("Unknown block".into())),
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Err(e) => Box::pin(future::err(format!("Error reading block: {:?}", e).into())),
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}
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}
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