mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-27 01:07:57 +00:00
Davide Galassi
f2d578b678
* Improve inspection and generation of node keys * Lock stdout before write * Fix typo * Fix offset * Remove useless code * Set inspect-node-key 'network' option as obsolete
99 lines
2.8 KiB
Rust
99 lines
2.8 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2020-2022 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! Implementation of the `inspect-node-key` subcommand
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use crate::Error;
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use clap::Parser;
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use libp2p::identity::{ed25519, PublicKey};
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use std::{
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fs,
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io::{self, Read},
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path::PathBuf,
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};
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/// The `inspect-node-key` command
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#[derive(Debug, Parser)]
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#[clap(
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name = "inspect-node-key",
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about = "Load a node key from a file or stdin and print the corresponding peer-id."
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)]
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pub struct InspectNodeKeyCmd {
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/// Name of file to read the secret key from.
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///
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/// If not given, the secret key is read from stdin (up to EOF).
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#[clap(long)]
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file: Option<PathBuf>,
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/// The input is in raw binary format.
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///
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/// If not given, the input is read as an hex encoded string.
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#[clap(long)]
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bin: bool,
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/// This argument is deprecated and has no effect for this command.
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#[deprecated(note = "Network identifier is not used for node-key inspection")]
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#[clap(short = 'n', long = "network", value_name = "NETWORK", ignore_case = true)]
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pub network_scheme: Option<String>,
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}
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impl InspectNodeKeyCmd {
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/// runs the command
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pub fn run(&self) -> Result<(), Error> {
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let mut file_data = match &self.file {
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Some(file) => fs::read(&file)?,
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None => {
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let mut buf = Vec::with_capacity(64);
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io::stdin().lock().read_to_end(&mut buf)?;
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buf
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},
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};
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if !self.bin {
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// With hex input, give to the user a bit of tolerance about whitespaces
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let keyhex = String::from_utf8_lossy(&file_data);
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file_data = hex::decode(keyhex.trim()).map_err(|_| "failed to decode secret as hex")?;
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}
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let secret =
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ed25519::SecretKey::from_bytes(&mut file_data).map_err(|_| "Bad node key file")?;
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let keypair = ed25519::Keypair::from(secret);
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println!("{}", PublicKey::Ed25519(keypair.public()).to_peer_id());
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Ok(())
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}
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}
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#[cfg(test)]
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mod tests {
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use super::{super::GenerateNodeKeyCmd, *};
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#[test]
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fn inspect_node_key() {
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let path = tempfile::tempdir().unwrap().into_path().join("node-id").into_os_string();
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let path = path.to_str().unwrap();
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let cmd = GenerateNodeKeyCmd::parse_from(&["generate-node-key", "--file", path.clone()]);
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assert!(cmd.run().is_ok());
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let cmd = InspectNodeKeyCmd::parse_from(&["inspect-node-key", "--file", path]);
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assert!(cmd.run().is_ok());
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}
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}
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