294 lines
9.3 KiB
JavaScript
294 lines
9.3 KiB
JavaScript
const async = require('async');
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const Events = require('./events.js');
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const Logger = require('./logger.js');
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const Config = require('./config.js');
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const Blockchain = require('../contracts/blockchain.js');
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const Compiler = require('../contracts/compiler.js');
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const ContractsManager = require('../contracts/contracts.js');
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const ContractDeployer = require('../contracts/contract_deployer.js');
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const DeployManager = require('../contracts/deploy_manager.js');
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const CodeGenerator = require('../contracts/code_generator.js');
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const ServicesMonitor = require('./services_monitor.js');
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const Pipeline = require('../pipeline/pipeline.js');
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const Watch = require('../pipeline/watch.js');
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const LibraryManager = require('../versions/library_manager.js');
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const CodeRunner = require('../coderunner/codeRunner.js');
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const utils = require('../utils/utils');
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class Engine {
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constructor(options) {
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this.env = options.env;
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this.isDev = options.isDev;
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this.client = options.client;
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this.locale = options.locale;
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this.embarkConfig = options.embarkConfig;
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this.interceptLogs = options.interceptLogs;
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this.version = options.version;
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this.logFile = options.logFile;
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this.logLevel = options.logLevel;
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this.events = options.events;
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this.context = options.context;
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}
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init(_options) {
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let self = this;
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let options = _options || {};
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this.events = options.events || this.events || new Events();
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this.logger = options.logger || new Logger({logLevel: options.logLevel || this.logLevel || 'debug', events: this.events, logFile: this.logFile});
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this.config = new Config({env: this.env, logger: this.logger, events: this.events, context: this.context});
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this.config.loadConfigFiles({embarkConfig: this.embarkConfig, interceptLogs: this.interceptLogs});
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this.plugins = this.config.plugins;
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if (this.interceptLogs || this.interceptLogs === undefined) {
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this.doInterceptLogs();
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}
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}
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doInterceptLogs() {
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var self = this;
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let context = {};
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context.console = console;
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context.console.log = function() {
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self.logger.info(utils.normalizeInput(arguments));
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};
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context.console.warn = function() {
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self.logger.warn(utils.normalizeInput(arguments));
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};
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context.console.info = function() {
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self.logger.info(utils.normalizeInput(arguments));
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};
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context.console.debug = function() {
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// TODO: ue JSON.stringify
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self.logger.debug(utils.normalizeInput(arguments));
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};
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context.console.trace = function() {
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self.logger.trace(utils.normalizeInput(arguments));
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};
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context.console.dir = function() {
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self.logger.dir(utils.normalizeInput(arguments));
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};
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}
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startMonitor() {
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const self = this;
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this.servicesMonitor = new ServicesMonitor({events: this.events, logger: this.logger, plugins: this.plugins});
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this.servicesMonitor.addCheck('embarkVersion', function (cb) {
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return cb({name: 'Embark ' + self.version, status: 'on'});
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}, 0);
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this.servicesMonitor.startMonitor();
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}
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registerModule(moduleName, options) {
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this.plugins.loadInternalPlugin(moduleName, options || {});
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}
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startService(serviceName, _options) {
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let options = _options || {};
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let services = {
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"pipeline": this.pipelineService,
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"codeRunner": this.codeRunnerService,
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"codeGenerator": this.codeGeneratorService,
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"deployment": this.deploymentService,
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"fileWatcher": this.fileWatchService,
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"webServer": this.webServerService,
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"namingSystem": this.namingSystem,
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"web3": this.web3Service,
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"libraryManager": this.libraryManagerService,
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"storage": this.storageService
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};
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let service = services[serviceName];
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if (!service) {
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throw new Error("unknown service: " + serviceName);
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}
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// need to be careful with circular references due to passing the web3 object
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//this.logger.trace("calling: " + serviceName + "(" + JSON.stringify(options) + ")");
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return service.apply(this, [options]);
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}
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pipelineService(_options) {
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const self = this;
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this.events.emit("status", "Building Assets");
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const pipeline = new Pipeline({
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buildDir: this.config.buildDir,
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contractsFiles: this.config.contractsFiles,
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assetFiles: this.config.assetFiles,
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events: this.events,
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logger: this.logger,
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plugins: this.plugins
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});
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this.events.on('code-generator-ready', function () {
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self.events.request('code', function (abi, contractsJSON) {
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pipeline.build(abi, contractsJSON, null, () => {
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if (self.watch) {
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self.watch.restart(); // Necessary because changing a file while it is writing can stop it from being watched
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}
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self.events.emit('outputDone');
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});
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});
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});
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}
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namingSystem(_options) {
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this.registerModule('ens');
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}
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codeRunnerService(_options) {
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this.codeRunner = new CodeRunner({
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plugins: this.plugins,
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events: this.events,
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logger: this.logger
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});
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}
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codeGeneratorService(_options) {
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let self = this;
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this.codeGenerator = new CodeGenerator({
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blockchainConfig: self.config.blockchainConfig,
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contractsConfig: self.config.contractsConfig,
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plugins: self.plugins,
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storageConfig: self.config.storageConfig,
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namesystemConfig: self.config.namesystemConfig,
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communicationConfig: self.config.communicationConfig,
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events: self.events,
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env: self.env
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});
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this.codeGenerator.listenToCommands();
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const generateCode = function () {
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self.codeGenerator.buildEmbarkJS(function() {
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self.events.emit('code-generator-ready');
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});
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};
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const cargo = async.cargo((_tasks, callback) => {
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generateCode();
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self.events.once('outputDone', callback);
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});
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const addToCargo = function () {
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cargo.push({});
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};
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this.events.on('contractsDeployed', addToCargo);
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this.events.on('blockchainDisabled', addToCargo);
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this.events.on('asset-changed', addToCargo);
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}
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deploymentService(options) {
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let self = this;
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let compiler = new Compiler({plugins: self.plugins, logger: self.logger});
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this.events.setCommandHandler("compiler:contracts", function(contractFiles, cb) {
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compiler.compile_contracts(contractFiles, cb);
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});
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this.registerModule('solidity');
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this.registerModule('vyper');
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this.registerModule('profiler');
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this.registerModule('deploytracker');
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this.registerModule('specialconfigs');
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this.contractsManager = new ContractsManager({
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contractFiles: this.config.contractsFiles,
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contractsConfig: this.config.contractsConfig,
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logger: this.logger,
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plugins: this.plugins,
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gasLimit: false,
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events: this.events
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});
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this.deployManager = new DeployManager({
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blockchain: this.blockchain,
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config: this.config,
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logger: this.logger,
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plugins: this.plugins,
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events: this.events,
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onlyCompile: options.onlyCompile
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});
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this.contractDeployer = new ContractDeployer({
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blockchain: this.blockchain,
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logger: this.logger,
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events: this.events,
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plugins: this.plugins
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});
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this.events.on('file-event', function (fileType) {
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clearTimeout(self.fileTimeout);
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self.fileTimeout = setTimeout(() => {
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// TODO: still need to redeploy contracts because the original contracts
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// config is being corrupted
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if (fileType === 'asset') {
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// Throttle file changes so we re-write only once for all files
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self.events.emit('asset-changed', self.contractsManager);
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}
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// TODO: for now need to deploy on asset changes as well
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// because the contractsManager config is corrupted after a deploy
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if (fileType === 'contract' || fileType === 'config') {
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self.config.reloadConfig();
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self.events.request('deploy:contracts', () => {});
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}
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}, 50);
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});
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}
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fileWatchService(_options) {
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this.events.emit("status", "Watching for changes");
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this.watch = new Watch({logger: this.logger, events: this.events});
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this.watch.start();
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}
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webServerService() {
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this.registerModule('webserver');
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}
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storageService(_options) {
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this.registerModule('storage', {
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addCheck: this.servicesMonitor.addCheck.bind(this.servicesMonitor),
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storageConfig: this.config.storageConfig,
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webServerConfig: this.config.webServerConfig,
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blockchainConfig: this.config.blockchainConfig,
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host: _options.host,
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port: _options.port,
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servicesMonitor: this.servicesMonitor,
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events: this.events,
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logger: this.logger,
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context: this.context
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});
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}
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web3Service(options) {
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this.blockchain = new Blockchain({
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contractsConfig: this.config.contractsConfig,
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blockchainConfig: this.config.blockchainConfig,
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events: this.events,
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logger: this.logger,
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isDev: this.isDev,
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locale: this.locale,
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web3: options.web3
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});
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this.registerModule('whisper', {
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// TODO: this should not be needed and should be deducted from the config instead
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// the eth provider is not necessary the same as the whisper one
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web3: this.blockchain.web3
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});
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}
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libraryManagerService(_options) {
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this.libraryManager = new LibraryManager({
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plugins: this.plugins,
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config: this.config
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});
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}
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}
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module.exports = Engine;
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