ethereum-wallet-old-implementation.js

ethereum-wallet-old-implementation.js

const bip39 = require("bip39")
const hdkey = require('ethereumjs-wallet/hdkey')
const web3 = require("web3")

const mnemonic = "---> set your 12 words mnemonic <---"

// derive key

const seed      = bip39.mnemonicToSeedSync(mnemonic)
const hdwallet  = hdkey.fromMasterSeed(seed)

// chose your coin (0 - btc
// to learn more about HD key derivation paths google it :D

const hdpath    = "m/44'/0'/0'/0" // btc. 
//const hdpath  = "m/44'/60'/0'/0" // eth. 
//const hdpath  = "m/44'/700'/0'/0" // xdai. 


const index     = 0
const path = `${wallet_hdpath}/${index}`
// console.log("deriv. path:", path)

const wallet = hdwallet.derivePath(path).getWallet()
const address = '0x' + wallet.getAddress().toString("hex")
const privateKey = wallet.getPrivateKey().toString("hex")
accounts.push({ address: address, privateKey: privateKey })
console.log("address:", address)




// extra - mnemonic storage

// const c = console
// let mnemonic, mnemonicString
// const store = localStorage
//
// let store
// if (typeof localStorage !== "undefined") {
//   store = localStorage
// } else {
//   store = {}
//   console.error("Warning: localStorage is not defined")
// }
//
// if (store && store.mnemonic) {
//   mnemonicString = store.mnemonic
//   mnemonic = new Mnemonic(store.mnemonic)
// } else {
//   mnemonic = new Mnemonic()
//   mnemonicString = mnemonic.phrase.toString()
//   if (store) {
//     store.mnemonic = mnemonicString
//   }
// }

// BIP 39 version - the current version of github.com/makevoid/ethereum-keychain is based off this code

//
// let bip39 = require("bip39")
// let hdkey = require('ethereumjs-wallet/hdkey')
// let hdwallet = hdkey.fromMasterSeed(bip39.mnemonicToSeed(seed)) // except here I switched to bitcoinjs-lib
// let wallet_hdpath = "m/44'/60'/0'/0"
//
//
// const keypairHD  = new EthereumBIP44(mnemonic.toHDPrivateKey())
// const address    = keypairHD.getAddress(0)
// const privateKey = keypairHD.getPrivateKey(0)
// privateKey       = privateKey.toString('hex')
//
// c.log("mnemonic:",   mnemonicString)
// c.log("address:",    address)
// c.log("privateKey:", privateKey)