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Add a sub command to generate a node key file (#4884)

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* Add a sub command to generate a node key file in the format required by a substrate node

* Update lock file

* Apply suggestions from code review

Co-Authored-By: Bastian Köcher <bkchr@users.noreply.github.com>

* Updates as per code review

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
Hayden Bakkum
2020-02-12 09:17:08 +13:00
committed by GitHub
parent 9ecbb420f4
commit b34df420f8
3 changed files with 17 additions and 0 deletions
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substrate/bin/utils/subkey/src/main.rs
+15
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@@ -23,6 +23,7 @@ use clap::{App, ArgMatches, SubCommand};
use codec::{Decode, Encode};
use hex_literal::hex;
use itertools::Itertools;
use libp2p::identity::{ed25519 as libp2p_ed25519, PublicKey};
use node_primitives::{Balance, Hash, Index, AccountId, Signature};
use node_runtime::{BalancesCall, Call, Runtime, SignedPayload, UncheckedExtrinsic, VERSION};
use serde_json::json;
@@ -248,6 +249,9 @@ fn get_app<'a, 'b>(usage: &'a str) -> App<'a, 'b> {
'The number of words in the phrase to generate. One of 12 \
(default), 15, 18, 21 and 24.'
"),
SubCommand::with_name("generate-node-key")
.about("Generate a random node libp2p key, save it to file and print its peer ID")
.args_from_usage("[file] 'Name of file to save secret key to'"),
SubCommand::with_name("inspect")
.about("Gets a public key and a SS58 address from the provided Secret URI")
.args_from_usage("[uri] 'A Key URI to be inspected. May be a secret seed, \
@@ -408,6 +412,17 @@ where
let mnemonic = generate_mnemonic(matches)?;
C::print_from_uri(mnemonic.phrase(), password, maybe_network, output);
}
("generate-node-key", Some(matches)) => {
let file = matches.value_of("file").ok_or(Error::Static("Output file name is required"))?;
let keypair = libp2p_ed25519::Keypair::generate();
let secret = keypair.secret();
let peer_id = PublicKey::Ed25519(keypair.public()).into_peer_id();
fs::write(file, secret.as_ref())?;
println!("{}", peer_id);
}
("inspect", Some(matches)) => {
C::print_from_uri(&get_uri("uri", &matches)?, password, maybe_network, output);
}