73 lines
1.9 KiB
JavaScript
73 lines
1.9 KiB
JavaScript
'use strict';
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var util = require('util');
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var EventEmitter = require('eventemitter2').EventEmitter2;
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var bitcore = require('bitcore');
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var p2p = require('bitcore-p2p');
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var messages = new p2p.Messages();
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var $ = bitcore.util.preconditions;
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var NetworkMonitor = require('./networkmonitor');
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var EventBus = require('./eventbus');
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var BlockService = require('./services/block.js');
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var BitcoreNode = function(bus, networkMonitor) {
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$.checkArgument(bus);
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$.checkArgument(networkMonitor);
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var self = this;
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this.bus = bus;
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this.networkMonitor = networkMonitor;
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this.blockService = new BlockService();
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this.bus.register(bitcore.Block, this.blockService.onBlock.bind(this.blockService));
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this.bus.onAny(function(value) {
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self.emit(this.event, value);
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});
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this.networkMonitor.on('error', function(err) {
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self.emit('error', err);
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});
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this.networkMonitor.on('disconnect', function() {
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console.log('network monitor disconnected');
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});
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};
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util.inherits(BitcoreNode, EventEmitter);
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BitcoreNode.create = function(opts) {
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opts = opts || {};
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var bus = new EventBus();
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var networkMonitor = NetworkMonitor.create(bus, opts.NetworkMonitor);
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return new BitcoreNode(bus, networkMonitor);
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};
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BitcoreNode.prototype.start = function() {
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this.sync();
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this.networkMonitor.start();
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};
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BitcoreNode.prototype.sync = function() {
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var genesis = bitcore.Networks.defaultNetwork.genesis;
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var self = this;
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this.networkMonitor.on('ready', function() {
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console.log('ready');
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self.blockService.getLatest().then(function(latest) {
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var start = genesis;
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if (latest) {
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start = latest.rawHash;
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}
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console.log('Starting sync from', start);
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self.networkMonitor.syncFrom(start);
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})
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.catch(function(err) {
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self.networkMonitor.disconnect();
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throw err;
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});
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});
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};
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module.exports = BitcoreNode;
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