Files
pezkuwi-subxt/substrate/client/cli/src/commands/inspect_node_key.rs
T
Bastian Köcher 7b56ab15b4 Run cargo fmt on the whole code base (#9394)
* Run cargo fmt on the whole code base

* Second run

* Add CI check

* Fix compilation

* More unnecessary braces

* Handle weights

* Use --all

* Use correct attributes...

* Fix UI tests

* AHHHHHHHHH

* 🤦

* Docs

* Fix compilation

* 🤷

* Please stop

* 🤦 x 2

* More

* make rustfmt.toml consistent with polkadot

Co-authored-by: André Silva <andrerfosilva@gmail.com>
2021-07-21 14:32:32 +00:00

74 lines
2.2 KiB
Rust

// This file is part of Substrate.
// Copyright (C) 2020-2021 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, NetworkSchemeFlag};
use libp2p::identity::{ed25519, PublicKey};
use std::{fs, path::PathBuf};
use structopt::StructOpt;
/// The `inspect-node-key` command
#[derive(Debug, StructOpt)]
#[structopt(
name = "inspect-node-key",
about = "Print the peer ID corresponding to the node key in the given file."
)]
pub struct InspectNodeKeyCmd {
/// Name of file to read the secret key from.
#[structopt(long)]
file: PathBuf,
#[allow(missing_docs)]
#[structopt(flatten)]
pub network_scheme: NetworkSchemeFlag,
}
impl InspectNodeKeyCmd {
/// runs the command
pub fn run(&self) -> Result<(), Error> {
let mut file_content =
hex::decode(fs::read(&self.file)?).map_err(|_| "failed to decode secret as hex")?;
let secret =
ed25519::SecretKey::from_bytes(&mut file_content).map_err(|_| "Bad node key file")?;
let keypair = ed25519::Keypair::from(secret);
let peer_id = PublicKey::Ed25519(keypair.public()).into_peer_id();
println!("{}", 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::from_iter(&["generate-node-key", "--file", path.clone()]);
assert!(cmd.run().is_ok());
let cmd = InspectNodeKeyCmd::from_iter(&["inspect-node-key", "--file", path]);
assert!(cmd.run().is_ok());
}
}