67 lines
1.6 KiB
JavaScript
67 lines
1.6 KiB
JavaScript
'use strict';
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var Message = require('../message');
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var inherits = require('util').inherits;
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var bitcore = require('bitcore');
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var utils = require('../utils');
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var BufferReader = bitcore.encoding.BufferReader;
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var BufferWriter = bitcore.encoding.BufferWriter;
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var magicNumber = bitcore.Networks.defaultNetwork.networkMagic.readUInt32LE(0);
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function AddrMessage(options) {
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if (!(this instanceof AddrMessage)) {
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return new AddrMessage(options);
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}
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if(!options) {
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options = {};
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}
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Message.call(this, options);
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this.command = 'addr';
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this.magicNumber = magicNumber;
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this.addresses = options.addresses;
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};
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inherits(AddrMessage, Message);
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AddrMessage.fromObject = function(options) {
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return new AddrMessage(options);
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};
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AddrMessage.fromBuffer = function(payload) {
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var parser = new BufferReader(payload);
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var addrCount = parser.readVarintNum();
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var obj = {};
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obj.addresses = [];
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for (var i = 0; i < addrCount; i++) {
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// todo: time only available on versions >=31402
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var time = new Date(parser.readUInt32LE() * 1000);
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var addr = utils.parseAddr(parser);
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addr.time = time;
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obj.addresses.push(addr);
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}
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utils.checkFinished(parser);
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return AddrMessage.fromObject(obj);
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};
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AddrMessage.prototype.getPayload = function() {
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var bw = new BufferWriter();
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bw.writeVarintNum(this.addresses.length);
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for (var i = 0; i < this.addresses.length; i++) {
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var addr = this.addresses[i];
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bw.writeUInt32LE(addr.time.getTime() / 1000);
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utils.writeAddr(addr, bw);
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}
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return bw.concat();
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};
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module.exports = function(options) {
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magicNumber = options.magicNumber || magicNumber;
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return AddrMessage;
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};
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