mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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yjh
ddb46a8aa0
* define trait `HashOutput` * improve * improve * Update primitives/runtime/src/traits.rs Co-authored-by: Bastian Köcher <git@kchr.de> * remove `Block::Hash: Ord` * fmt * add `MaybeFromStr` * cleanup * fix * remove useless `HashOutput` --------- Co-authored-by: Bastian Köcher <git@kchr.de>
96 lines
2.9 KiB
Rust
96 lines
2.9 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 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::{
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error,
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params::{BlockNumberOrHash, DatabaseParams, PruningParams, SharedParams},
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CliConfiguration,
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};
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use clap::Parser;
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use log::info;
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use sc_client_api::{HeaderBackend, StorageProvider, UsageProvider};
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use sp_runtime::traits::{Block as BlockT, Header as HeaderT};
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use std::{fmt::Debug, io::Write, str::FromStr, sync::Arc};
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/// The `export-state` command used to export the state of a given block into
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/// a chain spec.
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#[derive(Debug, Clone, Parser)]
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pub struct ExportStateCmd {
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/// Block hash or number.
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#[arg(value_name = "HASH or NUMBER")]
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pub input: Option<BlockNumberOrHash>,
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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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impl ExportStateCmd {
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/// Run the `export-state` 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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mut input_spec: Box<dyn sc_service::ChainSpec>,
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) -> error::Result<()>
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where
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B: BlockT,
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C: UsageProvider<B> + StorageProvider<B, BA> + HeaderBackend<B>,
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BA: sc_client_api::backend::Backend<B>,
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<B::Hash as FromStr>::Err: Debug,
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<<B::Header as HeaderT>::Number as FromStr>::Err: Debug,
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{
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info!("Exporting raw state...");
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let block_id = self.input.as_ref().map(|b| b.parse()).transpose()?;
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let hash = match block_id {
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Some(id) => client.expect_block_hash_from_id(&id)?,
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None => client.usage_info().chain.best_hash,
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};
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let raw_state = sc_service::chain_ops::export_raw_state(client, hash)?;
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input_spec.set_storage(raw_state);
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info!("Generating new chain spec...");
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let json = sc_service::chain_ops::build_spec(&*input_spec, true)?;
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if std::io::stdout().write_all(json.as_bytes()).is_err() {
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let _ = std::io::stderr().write_all(b"Error writing to stdout\n");
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}
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Ok(())
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}
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}
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impl CliConfiguration for ExportStateCmd {
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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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