flocore-p2p/lib/messages/commands/notfound.js
2015-10-16 14:59:05 -04:00

47 lines
1.2 KiB
JavaScript

'use strict';
var Message = require('../message');
var inherits = require('util').inherits;
var bitcore = require('bitcore-lib');
var utils = require('../utils');
var BufferReader = bitcore.encoding.BufferReader;
var BufferWriter = bitcore.encoding.BufferWriter;
var _ = bitcore.deps._;
/**
* @param {Array} arg - An array of inventory
* @param {Object} options
* @param {Array=} options.inventory - An array of inventory items
* @extends Message
* @constructor
*/
function NotfoundMessage(arg, options) {
Message.call(this, options);
this.command = 'notfound';
utils.checkInventory(arg);
this.inventory = arg;
}
inherits(NotfoundMessage, Message);
NotfoundMessage.prototype.setPayload = function(payload) {
this.inventory = [];
var parser = new BufferReader(payload);
var count = parser.readVarintNum();
for (var i = 0; i < count; i++) {
var type = parser.readUInt32LE();
var hash = parser.read(32);
this.inventory.push({type: type, hash: hash});
}
utils.checkFinished(parser);
};
NotfoundMessage.prototype.getPayload = function() {
var bw = new BufferWriter();
utils.writeInventory(this.inventory, bw);
return bw.concat();
};
module.exports = NotfoundMessage;