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Merge pull request #249 from matiu/feature/tx-normalized-hash 

add normalized hash for Txs
This commit is contained in:
Ryan X. Charles 2014-04-11 12:29:55 -03:00
parent d09c7ab653 d0f2601512
commit afb6117a78
2 changed files with 33 additions and 1 deletions
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18
Transaction.js
View File

@ -196,6 +196,22 @@ Transaction.prototype.getHash = function getHash() {
return this.hash;
};
Transaction.prototype.calcNormalizedHash = function () {
this.normalizedHash = this.hashForSignature(new Script(),0, SIGHASH_ALL);
return this.normalizedHash;
};
Transaction.prototype.getNormalizedHash = function () {
if (!this.normalizedHash || !this.normalizedHash.length) {
this.normalizedHash = this.calcNormalizedHash();
}
return this.normalizedHash;
};
// convert encoded list of inputs to easy-to-use JS list-of-lists
Transaction.prototype.inputs = function inputs() {
var res = [];
@ -567,7 +583,7 @@ Transaction.prototype.calcSize = function() {
return totalSize;
};
Transaction.prototype.getSize = function getHash() {
Transaction.prototype.getSize = function () {
if (!this.size) {
this.size = this.calcSize();
}

16
test/test.Transaction.js
View File

@ -121,4 +121,20 @@ describe('Transaction', function() {
coreTest(testdata.dataTxValid, true);
coreTest(testdata.dataTxInvalid, false);
it('#normalized hash', function() {
// string output generated from: bitcoind createrawtransaction '[{"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1","vout":1},{"txid":"2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc2","vout":0} ]' '{"mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE":0.08}'
//
var Parser = bitcore.BinaryParser;
var tx = new Transaction();
tx.parse(new Buffer('0100000002c1cf12ab89729d19d3cdec8ae531b5038d56c741006a105d532b3a7afa65c12a0100000000ffffffffc2cf12ab89729d19d3cdec8ae531b5038d56c741006a105d532b3a7afa65c12a0000000000ffffffff0100127a00000000001976a914774e603bafb717bd3f070e68bbcccfd907c77d1388ac00000000','hex'));
tx.getNormalizedHash().toString('hex').should.equal('1f7d2666e2d0d663e098abb76db6ba392da972d21c14b6ea6f4336171d29966b');
var tx2 = new Transaction();
tx2.parse(new Buffer('0100000001c1cf12ab89729d19d3cdec8ae531b5038d56c741006a105d532b3a7afa65c12a010000004b00473044022059085ff1b8ad03033e60969b1c770aa29ba5d74c28a9992c514b100d860792f1022057a307f77f91f4563651eefc0a959aa916d275c58525320309b6aeeff43d0d8a010000ffffffff0215cd5b07000000001976a91434f8e0c5be216025a52addf18a987543cad23f7a88acdbd53e340000000017a9147a769913c0721b1e0aa6bf8a93f4ef810c60587a8700000000','hex'));
tx2.getNormalizedHash().toString('hex').should.equal('e298bbf3734898581b8e342f2064236abf0acca6ac7e9a3009a16ef7b64d4983');
});
});