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accounts.js
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accounts.js
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"use strict";
const program = require("commander");
const bip39 = require("bip39");
const HDKey = require("ethereumjs-wallet/hdkey");
program
.command("accounts <mnemonic>")
.alias("acc")
.description("print accounts with public address and private key")
.option("-c, --count <count>", "number of accounts", v => parseInt(v), 5)
.action(function(mnemonic, options) {
if (isNaN(options.count) || options.count <= 0) {
console.error(`Invalid count specified.`);
process.exit(1);
}
if (mnemonic.trim().split(/\s+/g).length < 12) {
console.error(
`Invalid mnemonic specified. Mnemonic must be 12 words or more separated by a space.`
);
process.exit(1);
}
const hdKey = HDKey.fromMasterSeed(bip39.mnemonicToSeed(mnemonic));
const walletHdpPath = "m/44'/60'/0'/0/";
for (let i = 0; i < options.count; i++) {
const wallet = hdKey.derivePath(walletHdpPath + i).getWallet();
const address = "0x" + wallet.getAddress().toString("hex");
const privateKey = wallet.getPrivateKey().toString("hex");
console.log(address, privateKey);
}
process.exit(0);
});