mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-30 14:17:56 +00:00
Stanislav Tkach
79 lines
2.6 KiB
Rust
79 lines
2.6 KiB
Rust
// Copyright 2018 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate 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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// Substrate 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 Substrate. If not, see <http://www.gnu.org/licenses/>.
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#![cfg_attr(feature = "bench", feature(test))]
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#[cfg(feature = "bench")]
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extern crate test;
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use clap::load_yaml;
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use rand::{RngCore, rngs::OsRng};
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use substrate_primitives::{ed25519::Pair, hexdisplay::HexDisplay};
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mod vanity;
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fn print_account(seed: &[u8; 32]) {
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let pair = Pair::from_seed(seed);
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println!("Seed 0x{} is account:\n Public key (hex): 0x{}\n Address (SS58): {}",
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HexDisplay::from(seed),
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HexDisplay::from(&pair.public().0),
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pair.public().to_ss58check()
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);
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}
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fn main() {
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let yaml = load_yaml!("cli.yml");
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let matches = clap::App::from_yaml(yaml).get_matches();
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match matches.subcommand() {
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("generate", Some(_matches)) => {
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let mut seed = [0u8; 32];
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OsRng::new().unwrap().fill_bytes(&mut seed[..]);
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print_account(&seed);
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}
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("vanity", Some(matches)) => {
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let desired: String = matches.value_of("pattern").map(str::to_string).unwrap_or_default();
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let key = vanity::generate_key(&desired).expect("Key generation failed");
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println!("Found account with score {}%", key.score);
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print_account(&key.seed);
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}
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("restore", Some(matches)) => {
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// This subcommand is probably obsolete, see
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// https://github.com/paritytech/substrate/issues/1063
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let mut raw_seed = matches.value_of("seed")
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.map(str::as_bytes)
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.expect("seed parameter is required; thus it can't be None; qed");
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if raw_seed.len() > 32 {
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raw_seed = &raw_seed[..32];
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println!("seed is too long and will be truncated to: {}", HexDisplay::from(&raw_seed));
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}
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// Copy the raw_seed into a buffer that already contains ' ' 0x20.
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// This will effectively get us padding for seeds shorter than 32.
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let mut seed = [' ' as u8; 32];
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let len = raw_seed.len().min(32);
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seed[..len].copy_from_slice(&raw_seed[..len]);
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print_account(&seed);
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},
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_ => print_usage(&matches),
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}
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}
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fn print_usage(matches: &clap::ArgMatches) {
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println!("{}", matches.usage());
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}
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