Files
simple-rust-tests/__crypto/simple_contract/src/cmd_genkey.rs

33 lines
1.3 KiB
Rust

use std::fs;
use std::fs::File;
use clap::{App, Arg, ArgMatches, SubCommand};
use rust_util::util_clap::{Command, CommandError};
use crate::util::{JsonKeyPair, make_key_pair};
pub struct CommandImpl;
impl Command for CommandImpl {
fn name(&self) -> &str { "genkey" }
fn subcommand<'a>(&self) -> App<'a, 'a> {
SubCommand::with_name(self.name()).about("Generate key pair subcommand")
.arg(Arg::with_name("output").long("output").short("o")
.required(true).takes_value(true).help("Key pair output")
)
.arg(Arg::with_name("tag").long("tag").short("t").takes_value(true).help("Key pair output"))
}
fn run(&self, _arg_matches: &ArgMatches, sub_arg_matches: &ArgMatches) -> CommandError {
let output = sub_arg_matches.value_of("output").unwrap();
let tag = sub_arg_matches.value_of("tag");
if let Ok(_) = File::open(output) {
failure!("Output file exists: {}", output);
return Ok(None);
}
let (pri_key, pub_key) = make_key_pair();
let json_key_pair = JsonKeyPair::from(pri_key, pub_key, tag.map(|t| t.into()));
success!("Write gen key file: {}", output);
fs::write(output, json_key_pair.to_json()?.as_bytes())?;
Ok(None)
}
}