Files
pezkuwi-subxt/substrate/client/cli/src/commands/inspect_node_key.rs
T
Sebastian Kunert f687db40f7 Bump clap to 4.0.x and adjust to best practices (#12381)
* Bump clap to 3.2.22

* Replace `from_os_str` with `value_parser`

* Replace `from_str` and `try_from_str` with `value_parser`

* Move possible_values to the new format

* Remove unwanted print

* Add missing match branch

* Update clap to 4.0.9 and make it compile

* Replace deprecated `clap` macro with `command` and `value`

* Move remaining `clap` attributes to `arg`

* Remove no-op value_parsers

* Adjust value_parser for state_version

* Remove "deprecated" feature flag and bump to 4.0.11

* Improve range

Co-authored-by: Bastian Köcher <git@kchr.de>

* Apply suggestions

* Trigger CI

* Fix unused error warning

* Fix doc errors

* Fix ArgGroup naming conflict

* Change default_value to default_value_t

* Use 1.. instead of 0..

Co-authored-by: Bastian Köcher <git@kchr.de>
2022-10-18 06:52:46 +00:00

100 lines
2.8 KiB
Rust

// This file is part of Substrate.
// Copyright (C) 2020-2022 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! Implementation of the `inspect-node-key` subcommand
use crate::Error;
use clap::Parser;
use libp2p::identity::{ed25519, PublicKey};
use std::{
fs,
io::{self, Read},
path::PathBuf,
};
/// The `inspect-node-key` command
#[derive(Debug, Parser)]
#[command(
name = "inspect-node-key",
about = "Load a node key from a file or stdin and print the corresponding peer-id."
)]
pub struct InspectNodeKeyCmd {
/// Name of file to read the secret key from.
///
/// If not given, the secret key is read from stdin (up to EOF).
#[arg(long)]
file: Option<PathBuf>,
/// The input is in raw binary format.
///
/// If not given, the input is read as an hex encoded string.
#[arg(long)]
bin: bool,
/// This argument is deprecated and has no effect for this command.
#[deprecated(note = "Network identifier is not used for node-key inspection")]
#[arg(short = 'n', long = "network", value_name = "NETWORK", ignore_case = true)]
pub network_scheme: Option<String>,
}
impl InspectNodeKeyCmd {
/// runs the command
pub fn run(&self) -> Result<(), Error> {
let mut file_data = match &self.file {
Some(file) => fs::read(&file)?,
None => {
let mut buf = Vec::with_capacity(64);
io::stdin().lock().read_to_end(&mut buf)?;
buf
},
};
if !self.bin {
// With hex input, give to the user a bit of tolerance about whitespaces
let keyhex = String::from_utf8_lossy(&file_data);
file_data = array_bytes::hex2bytes(keyhex.trim())
.map_err(|_| "failed to decode secret as hex")?;
}
let secret =
ed25519::SecretKey::from_bytes(&mut file_data).map_err(|_| "Bad node key file")?;
let keypair = ed25519::Keypair::from(secret);
println!("{}", PublicKey::Ed25519(keypair.public()).to_peer_id());
Ok(())
}
}
#[cfg(test)]
mod tests {
use super::{super::GenerateNodeKeyCmd, *};
#[test]
fn inspect_node_key() {
let path = tempfile::tempdir().unwrap().into_path().join("node-id").into_os_string();
let path = path.to_str().unwrap();
let cmd = GenerateNodeKeyCmd::parse_from(&["generate-node-key", "--file", path.clone()]);
assert!(cmd.run().is_ok());
let cmd = InspectNodeKeyCmd::parse_from(&["inspect-node-key", "--file", path]);
assert!(cmd.run().is_ok());
}
}