A HDWallet for Ethereum

hdwallet.js

const bip39 = require('bip39');
const HDKey = require('hdkey');
const Web3 = require('web3');
const web3 = new Web3('https://ropsten.infura.io/your-id');

const mnemonic = bip39.generateMnemonic();
confirm(mnemonic);
const seed = bip39.mnemonicToSeed(mnemonic);
const masterNode = HDKey.fromMasterSeed(seed);
const derivationKey = "m/44'/60'/0'/0'/0";
const account = masterNode.derive(derivationKey);
const privateKey = account._privateKey.toString('hex');
const web3Account = web3.eth.accounts.privateKeyToAccount(privateKey);