fcoin/lib/bcoin/compactblock.js
2016-03-23 15:46:07 -07:00

56 lines
1.2 KiB
JavaScript

/**
* compactblock.js - compact block object for bcoin
* Copyright (c) 2014-2015, Fedor Indutny (MIT License)
* https://github.com/indutny/bcoin
*/
var bcoin = require('../bcoin');
var bn = require('bn.js');
var utils = require('./utils');
var assert = utils.assert;
/**
* CompactBlock
*/
function CompactBlock(data) {
if (!(this instanceof CompactBlock))
return new CompactBlock(data);
bcoin.abstractblock.call(this, data);
this.type = 'compactblock';
this.coinbaseHeight = -1;
if (this.version >= 2) {
if (Buffer.isBuffer(data.coinbaseHeight) && data.coinbaseHeight.length <= 6)
this.coinbaseHeight = new bn(data.coinbaseHeight, 'le').toNumber();
}
}
utils.inherits(CompactBlock, bcoin.abstractblock);
CompactBlock.prototype._verify = function _verify(ret) {
return this.verifyHeaders(ret);
};
CompactBlock.prototype.getCoinbaseHeight = function getCoinbaseHeight() {
return this.coinbaseHeight;
};
CompactBlock.prototype.toBlock = function toBlock() {
var block = bcoin.protocol.parser.parseBlock(this._raw);
delete this._raw;
assert(!block._raw);
block = new bcoin.block(block);
if (this.valid != null)
block.valid = this.valid;
return block;
};
/**
* Expose
*/
module.exports = CompactBlock;