mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-27 03:27:58 +00:00
Pierre Krieger
109 lines
3.4 KiB
Rust
109 lines
3.4 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2017-2020 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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//! Console informant. Prints sync progress and block events. Runs on the calling thread.
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use ansi_term::Colour;
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use sc_client_api::{BlockchainEvents, UsageProvider};
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use futures::prelude::*;
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use log::{info, warn, trace};
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use sp_runtime::traits::Header;
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use sc_service::AbstractService;
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use std::time::Duration;
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mod display;
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/// The format to print telemetry output in.
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#[derive(PartialEq)]
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pub enum OutputFormat {
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Coloured,
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Plain,
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}
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/// Creates an informant in the form of a `Future` that must be polled regularly.
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pub fn build(service: &impl AbstractService, format: OutputFormat) -> impl futures::Future<Output = ()> {
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let client = service.client();
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let pool = service.transaction_pool();
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let mut display = display::InformantDisplay::new(format);
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let display_notifications = service
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.network_status(Duration::from_millis(5000))
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.for_each(move |(net_status, _)| {
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let info = client.usage_info();
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if let Some(ref usage) = info.usage {
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trace!(target: "usage", "Usage statistics: {}", usage);
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} else {
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trace!(
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target: "usage",
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"Usage statistics not displayed as backend does not provide it",
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)
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}
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#[cfg(not(target_os = "unknown"))]
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trace!(
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target: "usage",
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"Subsystems memory [txpool: {} kB]",
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parity_util_mem::malloc_size(&*pool) / 1024,
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);
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display.display(&info, net_status);
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future::ready(())
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});
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let client = service.client();
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let mut last_best = {
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let info = client.usage_info();
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Some((info.chain.best_number, info.chain.best_hash))
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};
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let display_block_import = client.import_notification_stream().for_each(move |n| {
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// detect and log reorganizations.
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if let Some((ref last_num, ref last_hash)) = last_best {
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if n.header.parent_hash() != last_hash && n.is_new_best {
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let maybe_ancestor = sp_blockchain::lowest_common_ancestor(
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&*client,
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last_hash.clone(),
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n.hash,
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);
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match maybe_ancestor {
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Ok(ref ancestor) if ancestor.hash != *last_hash => info!(
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"♻️ Reorg on #{},{} to #{},{}, common ancestor #{},{}",
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Colour::Red.bold().paint(format!("{}", last_num)), last_hash,
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Colour::Green.bold().paint(format!("{}", n.header.number())), n.hash,
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Colour::White.bold().paint(format!("{}", ancestor.number)), ancestor.hash,
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),
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Ok(_) => {},
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Err(e) => warn!("Error computing tree route: {}", e),
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}
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}
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}
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if n.is_new_best {
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last_best = Some((n.header.number().clone(), n.hash.clone()));
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}
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info!(target: "substrate", "✨ Imported #{} ({})", Colour::White.bold().paint(format!("{}", n.header.number())), n.hash);
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future::ready(())
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});
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future::join(
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display_notifications,
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display_block_import
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).map(|_| ())
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}
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