pezkuwichain
4666047395
Updated 4763 files with dual copyright: - Parity Technologies (UK) Ltd. - Dijital Kurdistan Tech Institute
78 lines
2.6 KiB
Rust
78 lines
2.6 KiB
Rust
// Copyright (C) Parity Technologies (UK) Ltd. and Dijital Kurdistan Tech Institute
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// This file is part of Pezkuwi.
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// Pezkuwi 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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// Pezkuwi 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 Pezkuwi. If not, see <http://www.gnu.org/licenses/>.
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use bizinikiwi_rpc_client::{ws_client, ChainApi};
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use pezkuwi_core_primitives::{Block, Hash, Header};
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use std::{
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future::Future,
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io::{BufRead, BufReader, Read},
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time::Duration,
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};
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/// Run the given `future` and panic if the `timeout` is hit.
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pub async fn run_with_timeout(timeout: Duration, future: impl Future<Output = ()>) {
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tokio::time::timeout(timeout, future).await.expect("Hit timeout");
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}
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/// Wait for at least `n` blocks to be finalized from a specified node.
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pub async fn wait_n_finalized_blocks(n: usize, url: &str) {
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let mut built_blocks = std::collections::HashSet::new();
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let mut interval = tokio::time::interval(Duration::from_secs(6));
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loop {
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let Ok(rpc) = ws_client(url).await else { continue };
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if let Ok(block) = ChainApi::<(), Hash, Header, Block>::finalized_head(&rpc).await {
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built_blocks.insert(block);
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if built_blocks.len() > n {
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break;
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}
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};
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interval.tick().await;
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}
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}
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/// Read the WS address from the output.
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///
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/// This is hack to get the actual bound sockaddr because
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/// pezkuwi assigns a random port if the specified port was already bound.
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///
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/// You must call
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/// `Command::new("cmd").stdout(process::Stdio::piped()).stderr(process::Stdio::piped())`
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/// for this to work.
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pub fn find_ws_url_from_output(read: impl Read + Send) -> (String, String) {
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let mut data = String::new();
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let ws_url = BufReader::new(read)
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.lines()
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.find_map(|line| {
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let line = line.expect("failed to obtain next line from stdout for port discovery");
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data.push_str(&line);
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// does the line contain our port (we expect this specific output from bizinikiwi).
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let sock_addr = match line.split_once("Running JSON-RPC server: addr=") {
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None => return None,
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Some((_, after)) => after.split_once(',').unwrap().0,
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};
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Some(format!("ws://{}", sock_addr))
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})
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.unwrap_or_else(|| panic!("Could not find address in process output:\n{}", &data));
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(ws_url, data)
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}
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