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bitcore
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allow creating blank BIP32 by passing in null

This commit is contained in:
Ryan X. Charles 2014-04-22 17:42:50 -03:00
parent d52e8ac8ed
commit 6a4387e768
1 changed files with 9 additions and 4 deletions
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13
lib/BIP32.js
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@ -10,6 +10,11 @@ var networks = require('../networks');
var secp256k1_n = new bignum("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141", 16);
var secp256k1_Gx = new bignum("79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798", 16);
/*
random new BIP32: new BIP32();
from extended public or private key: new BIP32(str);
new blank BIP32: new BIP32(null);
*/
var BIP32 = function(bytes) {
if (typeof bytes == 'undefined' || bytes == 'mainnet' || bytes == 'livenet') {
bytes = 'livenet';
@ -46,7 +51,7 @@ var BIP32 = function(bytes) {
}
}
if (bytes !== undefined)
if (bytes !== undefined && bytes !== null)
this.initFromBytes(bytes);
}
@ -60,7 +65,7 @@ BIP32.seed = function(bytes, network) {
return false; //need more entropy
var hash = coinUtil.sha512hmac(bytes, new Buffer("Bitcoin seed"));
var bip32 = new BIP32();
var bip32 = new BIP32(null);
bip32.depth = 0x00;
bip32.parentFingerprint = new Buffer([0, 0, 0, 0]);
bip32.childIndex = new Buffer([0, 0, 0, 0]);
@ -265,7 +270,7 @@ BIP32.prototype.deriveChild = function(i) {
var priv = bignum.fromBuffer(this.eckey.private, {size: 32});
var k = il.add(priv).mod(secp256k1_n);
ret = new BIP32();
ret = new BIP32(null);
ret.chainCode = ir;
ret.eckey = new Key();
@ -289,7 +294,7 @@ BIP32.prototype.deriveChild = function(i) {
var Kpar = Point.fromKey(oldkey);
var newpub = Point.add(ilG, Kpar).toKey().public;
ret = new BIP32();
ret = new BIP32(null);
ret.chainCode = new Buffer(ir);
var eckey = new Key();