68 lines
1.9 KiB
JavaScript
68 lines
1.9 KiB
JavaScript
var Transaction = require('./transaction');
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var BufferReader = require('./bufferreader');
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var BufferWriter = require('./bufferwriter');
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var Blockheader = require('./blockheader');
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var Varint = require('./varint');
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var Block = function Block(magicnum, blocksize, blockheader, txsvi, txs) {
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if (!(this instanceof Block))
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return new Block(magicnum, blocksize, blockheader, txsvi, txs);
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if (typeof magicnum === 'number') {
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this.set({
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magicnum: magicnum,
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blocksize: blocksize,
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blockheader: blockheader,
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txsvi: txsvi,
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txs: txs
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});
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} else if (magicnum) {
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var obj = magicnum;
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}
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};
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Block.prototype.set = function(obj) {
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this.magicnum = typeof obj.magicnum !== 'undefined' ? obj.magicnum : this.magicnum;
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this.blocksize = typeof obj.blocksize !== 'undefined' ? obj.blocksize : this.blocksize;
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this.blockheader = obj.blockheader || this.blockheader;
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this.txsvi = obj.txsvi || this.txsvi;
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this.txs = obj.txs || this.txs;
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return this;
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};
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Block.prototype.fromBuffer = function(buf) {
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return this.fromBufferReader(BufferReader(buf));
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};
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Block.prototype.fromBufferReader = function(br) {
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this.magicnum = br.readUInt32LE();
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this.blocksize = br.readUInt32LE();
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this.blockheader = Blockheader().fromBufferReader(br);
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this.txsvi = Varint(br.readVarintBuf());
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var txslen = this.txsvi.toNumber();
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this.txs = [];
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for (var i = 0; i < txslen; i++) {
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this.txs.push(Transaction().fromBufferReader(br));
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}
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return this;
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};
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Block.prototype.toBuffer = function() {
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return this.toBufferWriter().concat();
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};
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Block.prototype.toBufferWriter = function(bw) {
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if (!bw)
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bw = new BufferWriter();
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bw.writeUInt32LE(this.magicnum);
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bw.writeUInt32LE(this.blocksize);
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bw.write(this.blockheader.toBuffer());
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bw.write(this.txsvi.buf);
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var txslen = this.txsvi.toNumber();
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for (var i = 0; i < txslen; i++) {
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this.txs[i].toBufferWriter(bw);
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}
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return bw;
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};
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module.exports = Block;
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