202 lines
5.3 KiB
JavaScript
202 lines
5.3 KiB
JavaScript
'use strict';
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var util = require('util');
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var fs = require('fs');
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var io = require('socket.io');
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var https = require('https');
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var http = require('http');
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var async = require('async');
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var path = require('path');
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var bitcore = require('bitcore');
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var Networks = bitcore.Networks;
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var Locker = require('locker-server');
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var BlockchainMonitor = require('../lib/blockchainmonitor');
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var EmailService = require('../lib/emailservice');
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var ExpressApp = require('../lib/expressapp');
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var WsApp = require('../lib/wsapp');
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var child_process = require('child_process');
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var spawn = child_process.spawn;
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var EventEmitter = require('events').EventEmitter;
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var baseConfig = require('../config');
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/**
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* A Bitcore Node Service module
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* @param {Object} options
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* @param {Node} options.node - A reference to the Bitcore Node instance
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-* @param {Boolean} options.https - Enable https for this module, defaults to node settings.
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* @param {Number} options.bwsPort - Port for Bitcore Wallet Service API
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* @param {Number} options.messageBrokerPort - Port for BWS message broker
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* @param {Number} options.lockerPort - Port for BWS locker port
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*/
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var Service = function(options) {
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EventEmitter.call(this);
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this.node = options.node;
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this.https = options.https || this.node.https;
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this.httpsOptions = options.httpsOptions || this.node.httpsOptions;
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this.bwsPort = options.bwsPort || baseConfig.port;
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this.messageBrokerPort = options.messageBrokerPort || 3380;
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if (baseConfig.lockOpts) {
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this.lockerPort = baseConfig.lockOpts.lockerServer.port;
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}
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this.lockerPort = options.lockerPort || this.lockerPort;
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};
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util.inherits(Service, EventEmitter);
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Service.dependencies = ['insight-api'];
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/**
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* This method will read `key` and `cert` files from disk based on `httpsOptions` and
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* return `serverOpts` with the read files.
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* @returns {Object}
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*/
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Service.prototype._readHttpsOptions = function() {
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if(!this.httpsOptions || !this.httpsOptions.key || !this.httpsOptions.cert) {
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throw new Error('Missing https options');
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}
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var serverOpts = {};
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serverOpts.key = fs.readFileSync(this.httpsOptions.key);
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serverOpts.cert = fs.readFileSync(this.httpsOptions.cert);
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// This sets the intermediate CA certs only if they have all been designated in the config.js
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if (this.httpsOptions.CAinter1 && this.httpsOptions.CAinter2 && this.httpsOptions.CAroot) {
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serverOpts.ca = [
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fs.readFileSync(this.httpsOptions.CAinter1),
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fs.readFileSync(this.httpsOptions.CAinter2),
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fs.readFileSync(this.httpsOptions.CAroot)
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];
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}
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return serverOpts;
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};
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/**
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* Will get the configuration with settings for the locally
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* running Insight API.
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* @returns {Object}
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*/
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Service.prototype._getConfiguration = function() {
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var self = this;
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var providerOptions = {
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provider: 'insight',
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url: (self.node.https ? 'https://' : 'http://') + 'localhost:' + self.node.port,
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apiPrefix: '/insight-api'
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};
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// A bitcore-node is either livenet or testnet, so we'll pass
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// the configuration options to communicate via the local running
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// instance of the insight-api service.
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if (self.node.network === Networks.livenet) {
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baseConfig.blockchainExplorerOpts = {
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livenet: providerOptions
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};
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} else if (self.node.network === Networks.testnet) {
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baseConfig.blockchainExplorerOpts = {
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testnet: providerOptions
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};
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} else {
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throw new Error('Unknown network');
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}
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return baseConfig;
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};
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/**
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* Will start the HTTP web server and socket.io for the wallet service.
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*/
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Service.prototype._startWalletService = function(config, next) {
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var self = this;
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var expressApp = new ExpressApp();
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var wsApp = new WsApp();
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if (self.https) {
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var serverOpts = self._readHttpsOptions();
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self.server = https.createServer(serverOpts, expressApp.app);
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} else {
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self.server = http.Server(expressApp.app);
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}
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async.parallel([
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function(done) {
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expressApp.start(config, done);
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},
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function(done) {
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wsApp.start(self.server, config, done);
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},
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], function(err) {
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if (err) {
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return next(err);
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}
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self.server.listen(self.bwsPort, next);
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});
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};
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/**
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* Called by the node to start the service
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*/
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Service.prototype.start = function(done) {
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var self = this;
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var config;
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try {
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config = self._getConfiguration();
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} catch(err) {
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return done(err);
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}
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// Locker Server
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var locker = new Locker();
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locker.listen(self.lockerPort);
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// Message Broker
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var messageServer = io(self.messageBrokerPort);
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messageServer.on('connection', function(s) {
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s.on('msg', function(d) {
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messageServer.emit('msg', d);
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});
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});
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async.series([
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function(next) {
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// Blockchain Monitor
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var blockChainMonitor = new BlockchainMonitor();
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blockChainMonitor.start(config, next);
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},
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function(next) {
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// Email Service
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if (config.emailOpts) {
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var emailService = new EmailService();
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emailService.start(config, next);
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} else {
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setImmediate(next);
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}
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},
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function(next) {
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self._startWalletService(config, next);
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}
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], done);
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};
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/**
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* Called by node to stop the service
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*/
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Service.prototype.stop = function(done) {
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setImmediate(function() {
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done();
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});
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};
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Service.prototype.getAPIMethods = function() {
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return [];
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};
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Service.prototype.getPublishEvents = function() {
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return [];
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};
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module.exports = Service;
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