108 lines
2.1 KiB
JavaScript
108 lines
2.1 KiB
JavaScript
/**
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* coinview.js - coinview object for bcoin
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* Copyright (c) 2014-2015, Fedor Indutny (MIT License)
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* Copyright (c) 2014-2016, Christopher Jeffrey (MIT License).
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* https://github.com/indutny/bcoin
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*/
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module.exports = function(bcoin) {
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var utils = bcoin.utils;
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var assert = utils.assert;
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var constants = bcoin.protocol.constants;
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/**
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* CoinView
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*/
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function CoinView(coins) {
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if (!(this instanceof CoinView))
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return new CoinView(coins);
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this.coins = coins || {};
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}
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CoinView.prototype.add = function add(tx, i) {
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var coin, hash;
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if (i == null) {
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coin = tx;
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this.coins[coin.hash] = coin;
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return;
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}
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hash = tx.hash('hex');
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if (!this.coins[hash]) {
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this.coins[hash] = Object.create(bcoin.coins.prototype);
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this.coins[hash].version = tx.version;
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this.coins[hash].height = tx.height;
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this.coins[hash].coinbase = tx.isCoinbase();
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this.coins[hash].hash = hash;
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this.coins[hash].outputs = new Array(tx.outputs.length);
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}
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this.coins[hash].add(tx, i);
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};
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CoinView.prototype.get = function get(hash, index) {
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if (!this.coins[hash])
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return;
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return this.coins[hash].get(index);
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};
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CoinView.prototype.count = function count(hash) {
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if (!this.coins[hash])
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return 0;
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return this.coins[hash].count();
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};
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CoinView.prototype.has = function has(hash, index) {
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if (!this.coins[hash])
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return;
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return this.coins[hash].has(index);
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};
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CoinView.prototype.remove = function remove(hash, index) {
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if (!this.coins[hash])
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return;
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return this.coins[hash].remove(index);
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};
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CoinView.prototype.spend = function spend(hash, index) {
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if (!this.coins[hash])
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return;
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return this.coins[hash].spend(index);
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};
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CoinView.prototype.fill = function fill(obj, spend) {
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var keys = Object.keys(this.coins);
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var res = true;
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var i;
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for (i = 0; i < keys.length; i++) {
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if (!this.coins[keys[i]].fill(obj, spend))
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res = false;
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}
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return res;
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};
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CoinView.prototype.toArray = function toArray() {
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return Object.keys(this.coins).map(function(hash) {
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return this.coins[hash];
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}, this);
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};
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/**
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* Expose
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*/
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return CoinView;
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};
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