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added ability to specify child key derivation method to the Wallet constructor

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xnova 2014-02-26 20:13:51 -05:00
parent 49c2fc06b5
commit 933474a973
1 changed files with 14 additions and 3 deletions
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17
src/wallet.js
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@ -2,6 +2,7 @@ var Script = require('./script');
var ECKey = require('./eckey').ECKey;
var conv = require('./convert');
var util = require('./util');
var assert = require('assert');
var BigInteger = require('./jsbn/jsbn');
@ -13,8 +14,8 @@ var HDWallet = require('./hdwallet.js')
var SecureRandom = require('./jsbn/rng');
var rng = new SecureRandom();
var Wallet = function (seed, network) {
if (!(this instanceof Wallet)) { return new Wallet(seed, network); }
var Wallet = function (seed, network, derivationMethod) {
if (!(this instanceof Wallet)) { return new Wallet(seed, network, derivationMethod); }
// Stored in a closure to make accidental serialization less likely
var keys = [];
@ -27,6 +28,13 @@ var Wallet = function (seed, network) {
// Transaction output data
this.outputs = {};
// HD first-level child derivation method (i.e. public or private child key derivation)
// NB: if not specified, defaults to private child derivation
// Also see https://bitcointalk.org/index.php?topic=405179.msg4415254#msg4415254
this.derivationMethod = derivationMethod || 'private';
assert(this.derivationMethod == 'public' || this.derivationMethod == 'private',
"derivationMethod must be either 'public' or 'private'");
// Make a new master key
this.newMasterKey = function(seed, network) {
if (!seed) {
@ -41,7 +49,10 @@ var Wallet = function (seed, network) {
// Add a new address
this.generateAddress = function() {
keys.push(masterkey.derive(keys.length))
if(this.derivationMethod == 'private')
keys.push(masterkey.derivePrivate(keys.length));
else
keys.push(masterkey.derive(keys.length));
this.addresses.push(keys[keys.length-1].getBitcoinAddress().toString())
return this.addresses[this.addresses.length - 1]
}