78 lines
2.3 KiB
JavaScript
78 lines
2.3 KiB
JavaScript
var Txin = require('./txin');
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var Txout = require('./txout');
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var BufferWriter = require('./bufferwriter');
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var BufferReader = require('./bufferreader');
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var Varint = require('./varint');
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var Transaction = function Transaction(version, txinsvarint, txins, txoutsvarint, txouts, nlocktime) {
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if (!(this instanceof Transaction))
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return new Transaction(version, txinsvarint, txins, txoutsvarint, txouts, nlocktime);
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if (typeof version === 'number') {
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this.set({
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version: version,
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txinsvarint: txinsvarint,
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txins: txins,
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txoutsvarint: txoutsvarint,
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txouts: txouts,
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nlocktime: nlocktime
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});
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} else if (version) {
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var obj = version;
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this.set(obj);
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}
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};
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Transaction.prototype.set = function(obj) {
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this.version = typeof obj.version !== 'undefined' ? obj.version : this.version;
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this.txinsvarint = obj.txinsvarint || this.txinsvarint;
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this.txins = obj.txins || this.txins;
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this.txoutsvarint = obj.txoutsvarint || this.txoutsvarint;
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this.txouts = obj.txouts || this.txouts;
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this.nlocktime = typeof obj.nlocktime !== 'undefined' ? obj.nlocktime : this.nlocktime;
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return this;
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};
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Transaction.prototype.fromBuffer = function(buf) {
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return this.fromBufferReader(BufferReader(buf));
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};
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Transaction.prototype.fromBufferReader = function(br) {
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this.version = br.readUInt32LE();
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this.txinsvarint = Varint(br.readVarintBuf());
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var txinsnum = this.txinsvarint.toNumber();
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this.txins = [];
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for (var i = 0; i < txinsnum; i++) {
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this.txins.push(Txin().fromBufferReader(br));
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}
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this.txoutsvarint = Varint(br.readVarintBuf());
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var txoutsnum = this.txoutsvarint.toNumber();
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this.txouts = [];
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for (var i = 0; i < txoutsnum; i++) {
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this.txouts.push(Txout().fromBufferReader(br));
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}
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this.nlocktime = br.readUInt32LE();
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return this;
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};
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Transaction.prototype.toBuffer = function() {
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return this.toBufferWriter().concat();
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};
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Transaction.prototype.toBufferWriter = function(bw) {
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if (!bw)
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bw = new BufferWriter();
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bw.writeUInt32LE(this.version);
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bw.write(this.txinsvarint.buf);
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for (var i = 0; i < this.txins.length; i++) {
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this.txins[i].toBufferWriter(bw);
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}
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bw.write(this.txoutsvarint.buf)
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for (var i = 0; i < this.txouts.length; i++) {
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this.txouts[i].toBufferWriter(bw);
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}
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bw.writeUInt32LE(this.nlocktime);
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return bw;
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};
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module.exports = Transaction;
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