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Code Issues Projects Releases Wiki Activity

Check for consistency if object argument includes a hash.

This commit is contained in:
Braydon Fuller 2015-08-12 20:26:25 -04:00
parent be8cb7d245
commit e7c7a9ad89
2 changed files with 20 additions and 5 deletions
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16
lib/transaction/transaction.js
View File

@ -350,10 +350,14 @@ Transaction.prototype.toObject = function toObject() {
return obj;
};
Transaction.prototype.fromObject = function(transaction) {
Transaction.prototype.fromObject = function(arg) {
/* jshint maxstatements: 20 */
var self = this;
if (transaction instanceof Transaction) {
var transaction;
if (arg instanceof Transaction) {
transaction = transaction.toObject();
} else {
transaction = arg;
}
_.each(transaction.inputs, function(input) {
if (!input.output || !input.output.script) {
@ -387,18 +391,20 @@ Transaction.prototype.fromObject = function(transaction) {
}
this.nLockTime = transaction.nLockTime;
this.version = transaction.version;
this._checkConsistency();
this._checkConsistency(arg);
return this;
};
Transaction.prototype._checkConsistency = function() {
Transaction.prototype._checkConsistency = function(arg) {
if (!_.isUndefined(this._changeIndex)) {
$.checkState(this._changeScript);
$.checkState(this.outputs[this._changeIndex]);
$.checkState(this.outputs[this._changeIndex].script.toString() ===
this._changeScript.toString());
}
// TODO: add other checks
if (arg && arg.hash) {
$.checkState(arg.hash === this.hash, 'Hash in object does not match transaction hash');
}
};
/**

9
test/transaction/transaction.js
View File

@ -763,6 +763,15 @@ describe('Transaction', function() {
.should.throw('Unsupported input script type: OP_1 OP_ADD OP_2 OP_EQUAL');
});
it('will error if object hash does not match transaction hash', function() {
var tx = new Transaction(tx_1_hex);
var txObj = tx.toObject();
txObj.hash = 'a477af6b2667c29670467e4e0728b685ee07b240235771862318e29ddbe58458';
(function() {
var tx2 = new Transaction(txObj);
}).should.throw('Hash in object does not match transaction hash');
});
describe('inputAmount + outputAmount', function() {
it('returns correct values for simple transaction', function() {
var transaction = new Transaction()