ethereumjs-wallet/hdkey.js

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const HDKey = require('hdkey')
const Wallet = require('./index.js')
function EthereumHDKey () {
}
/*
* Horrible wrapping.
*/
function fromHDKey (hdkey) {
var ret = new EthereumHDKey()
ret._hdkey = hdkey
return ret
}
EthereumHDKey.fromMasterSeed = function (seedBuffer) {
return fromHDKey(HDKey.fromMasterSeed(seedBuffer))
}
EthereumHDKey.fromExtendedKey = function (base58key) {
return fromHDKey(HDKey.fromExtendedKey(base58key))
}
EthereumHDKey.prototype.privateExtendedKey = function () {
// FIXME: change this according to the outcome of https://github.com/cryptocoinjs/hdkey/issues/7
if (!this._hdkey._privateKey) {
throw new Error('Private key is not available')
}
return this._hdkey.privateExtendedKey
}
EthereumHDKey.prototype.publicExtendedKey = function () {
return this._hdkey.publicExtendedKey
}
EthereumHDKey.prototype.derivePath = function (path) {
return fromHDKey(this._hdkey.derive(path))
}
EthereumHDKey.prototype.deriveChild = function (index) {
return fromHDKey(this._hdkey.deriveChild(index))
}
EthereumHDKey.prototype.getWallet = function () {
if (this._hdkey._privateKey) {
return Wallet.fromPrivateKey(this._hdkey._privateKey)
} else {
return Wallet.fromPublicKey(this._hdkey._publicKey, true)
}
}
module.exports = EthereumHDKey