pezkuwichain
b6d35f6faf
Updated 4763 files with dual copyright: - Parity Technologies (UK) Ltd. - Dijital Kurdistan Tech Institute
91 lines
2.5 KiB
Rust
91 lines
2.5 KiB
Rust
// This file is part of Bizinikiwi.
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// Copyright (C) Parity Technologies (UK) Ltd. and Dijital Kurdistan Tech Institute
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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::{
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error,
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params::{DatabaseParams, GenericNumber, PruningParams, SharedParams},
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CliConfiguration,
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};
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use clap::Parser;
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use pezsc_client_api::{Backend, UsageProvider};
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use pezsc_service::chain_ops::revert_chain;
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use pezsp_runtime::traits::{Block as BlockT, Header as HeaderT, NumberFor};
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use std::{fmt::Debug, str::FromStr, sync::Arc};
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/// The `revert` command used revert the chain to a previous state.
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#[derive(Debug, Parser)]
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pub struct RevertCmd {
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/// Number of blocks to revert.
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#[arg(default_value = "256")]
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pub num: GenericNumber,
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#[allow(missing_docs)]
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#[clap(flatten)]
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pub shared_params: SharedParams,
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#[allow(missing_docs)]
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#[clap(flatten)]
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pub pruning_params: PruningParams,
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#[allow(missing_docs)]
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#[clap(flatten)]
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pub database_params: DatabaseParams,
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}
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/// Revert handler for auxiliary data (e.g. consensus).
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type AuxRevertHandler<C, BA, B> =
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Box<dyn FnOnce(Arc<C>, Arc<BA>, NumberFor<B>) -> error::Result<()>>;
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impl RevertCmd {
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/// Run the revert command
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pub async fn run<B, BA, C>(
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&self,
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client: Arc<C>,
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backend: Arc<BA>,
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aux_revert: Option<AuxRevertHandler<C, BA, B>>,
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) -> error::Result<()>
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where
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B: BlockT,
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BA: Backend<B>,
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C: UsageProvider<B>,
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<<<B as BlockT>::Header as HeaderT>::Number as FromStr>::Err: Debug,
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{
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let blocks = self.num.parse()?;
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if let Some(aux_revert) = aux_revert {
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aux_revert(client.clone(), backend.clone(), blocks)?;
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}
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revert_chain(client, backend, blocks)?;
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Ok(())
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}
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}
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impl CliConfiguration for RevertCmd {
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fn shared_params(&self) -> &SharedParams {
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&self.shared_params
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}
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fn pruning_params(&self) -> Option<&PruningParams> {
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Some(&self.pruning_params)
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}
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fn database_params(&self) -> Option<&DatabaseParams> {
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Some(&self.database_params)
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}
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}
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