372 lines
10 KiB
JavaScript
372 lines
10 KiB
JavaScript
const async = require('async');
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const Engine = require('../core/engine.js');
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const TestLogger = require('./test_logger.js');
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const Web3 = require('web3');
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const Events = require('../core/events');
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const AccountParser = require('../utils/accountParser');
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// TODO: breaks module isolation; tests need to be refactored to use the engine and avoid this
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const Provider = require('../modules/blockchain_connector/provider.js');
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const utils = require('../utils/utils');
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const EmbarkJS = require('embarkjs');
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function getSimulator() {
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try {
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return require('ganache-cli');
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} catch (e) {
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const moreInfo = 'For more information see https://github.com/trufflesuite/ganache-cli';
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if (e.code === 'MODULE_NOT_FOUND') {
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console.error(__('Simulator not found; Please install it with "%s"', 'npm install ganache-cli --save'));
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console.error(moreInfo);
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throw e;
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}
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console.error("==============");
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console.error(__("Tried to load Ganache CLI (testrpc), but an error occurred. This is a problem with Ganache CLI"));
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console.error(moreInfo);
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console.error("==============");
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throw e;
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}
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}
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class Test {
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constructor(options) {
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this.options = options || {};
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this.simOptions = {};
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this.events = new Events();
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this.ready = true;
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this.firstRunConfig = true;
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this.error = false;
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this.contracts = {};
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this.firstDeployment = true;
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this.logsSubscription = null;
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this.needConfig = true;
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this.web3 = new Web3();
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}
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initWeb3Provider(callback) {
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const self = this;
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if (this.provider) {
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this.provider.stop();
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}
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if (this.simOptions.accounts) {
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this.simOptions.accounts = this.simOptions.accounts.map((account) => {
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if (!account.hexBalance) {
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account.hexBalance = '0x8AC7230489E80000'; // 10 ether
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}
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return {balance: account.hexBalance, secretKey: account.privateKey};
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});
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}
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if (this.simOptions.host || this.options.node) {
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let options = this.simOptions;
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if (this.options.node) {
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options = utils.deconstructUrl(this.options.node);
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}
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let {host, port, type, protocol, accounts} = options;
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if (!protocol) {
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protocol = (options.type === "rpc") ? 'http' : 'ws';
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}
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const endpoint = `${protocol}://${host}:${port}`;
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const providerOptions = {
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web3: this.web3,
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type,
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accountsConfig: accounts,
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blockchainConfig: this.engine.config.blockchainConfig,
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logger: this.engine.logger,
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isDev: false,
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web3Endpoint: endpoint
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};
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console.info(`Connecting to node at ${endpoint}`.cyan);
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return utils.pingEndpoint(host, port, type, protocol, this.engine.config.blockchainConfig.wsOrigins.split(',')[0], (err) => {
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if (err) {
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console.error(`Error connecting to the node, there might be an error in ${endpoint}`.red);
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return callback(err);
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}
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self.provider = new Provider(providerOptions);
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return self.provider.startWeb3Provider((err) => {
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if (err) {
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return callback(err);
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}
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callback();
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});
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});
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}
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if (!this.sim) {
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this.sim = getSimulator();
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}
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this.web3.setProvider(this.sim.provider(this.simOptions));
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callback();
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}
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initDeployServices() {
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this.engine.startService("web3", {
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web3: this.web3
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});
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this.engine.startService("deployment", {
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trackContracts: false,
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compileOnceOnly: true
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});
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this.events.request('deploy:setGasLimit', 6000000);
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}
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init(callback) {
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this.engine = new Engine({
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env: this.options.env || 'test',
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// TODO: config will need to detect if this is a obj
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embarkConfig: this.options.embarkConfig || 'embark.json',
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interceptLogs: false,
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ipcRole: 'client'
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});
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this.engine.init({
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logger: new TestLogger({logLevel: this.options.loglevel})
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});
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this.versions_default = this.engine.config.contractsConfig.versions;
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// Reset contract config to nothing to make sure we deploy only what we want
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this.engine.config.contractsConfig = {
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contracts: {},
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versions: this.versions_default
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};
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this.engine.startService("libraryManager");
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this.engine.startService("codeRunner");
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this.initDeployServices();
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this.engine.startService("codeGenerator");
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this.engine.startService("codeCoverage");
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if (this.options.node === 'embark') {
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return this.engine.ipc.connect((err) => {
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if (err) {
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this.engine.logger.error(err.message || err);
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this.engine.logger.error("Could not connect to Embark's IPC. Is embark running?");
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process.exit(1);
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}
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this.engine.ipc.request('blockchain:node', {}, (err, node) => {
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if (err) {
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return this.engine.logger.error(err.message || err);
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}
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this.options.node = node;
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callback();
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});
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});
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}
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callback();
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}
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onReady(callback) {
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const self = this;
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if (this.ready) {
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return callback();
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}
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if (this.error) {
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return callback(this.error);
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}
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let errorCallback, readyCallback;
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errorCallback = (err) => {
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self.events.removeListener('ready', readyCallback);
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callback(err);
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};
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readyCallback = () => {
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self.events.removeListener('deployError', errorCallback);
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callback();
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};
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this.events.once('ready', readyCallback);
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this.events.once('deployError', errorCallback);
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}
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checkDeploymentOptions(options, callback) {
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const self = this;
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let resetServices = false;
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const {host, port, type, accounts} = options.deployment || {};
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if (host && port && !['rpc', 'ws'].includes(type)) {
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callback(__("contracts config error: unknown deployment type %s", type));
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}
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if(accounts || port !== this.simOptions.port || type !== this.simOptions.type || host !== this.simOptions.host) {
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resetServices = true;
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}
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if (accounts) {
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self.simOptions.accounts = AccountParser.parseAccountsConfig(accounts, self.web3);
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} else {
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self.simOptions.account = null;
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}
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Object.assign(self.simOptions, {
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host,
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port,
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type
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});
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if (!resetServices && !self.firstRunConfig) {
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return callback();
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}
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self.initWeb3Provider((err) => {
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if (err) {
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return callback(err);
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}
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self.firstRunConfig = false;
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self.initDeployServices();
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callback();
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});
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}
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config(options, callback) {
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const self = this;
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self.needConfig = false;
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if (typeof (options) === 'function') {
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callback = options;
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options = {};
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}
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if (!callback) {
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callback = function () {
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};
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}
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if (!options.contracts) {
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options.contracts = {};
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}
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self.ready = false;
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async.waterfall([
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function checkDeploymentOpts(next) {
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self.checkDeploymentOptions(options, next);
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},
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function compileContracts(next) {
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if (!self.firstDeployment) {
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return next();
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}
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console.info('Compiling contracts'.cyan);
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self.engine.events.request("contracts:build", false, (err) => {
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self.firstDeployment = false;
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next(err);
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});
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},
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function resetContracts(next) {
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self.engine.events.request("contracts:reset:dependencies", next);
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},
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function deploy(next) {
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self._deploy(options, (err, accounts) => {
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if (err) {
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self.events.emit('deployError', err);
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self.error = err;
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return next(err);
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}
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self.ready = true;
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self.error = false;
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self.events.emit('ready');
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next(null, accounts);
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});
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}
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], (err, accounts) => {
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if (err) {
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process.exit(1);
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}
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callback(null, accounts);
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});
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}
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_deploy(config, callback) {
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const self = this;
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async.waterfall([
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function getConfig(next) {
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self.engine.config.contractsConfig = {contracts: config.contracts, versions: self.versions_default};
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next();
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},
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function getAccounts(next) {
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self.web3.eth.getAccounts(function (err, accounts) {
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if (err) {
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return next(err);
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}
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self.accounts = accounts;
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self.web3.eth.defaultAccount = accounts[0];
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next(null, accounts);
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});
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},
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function getBalance(accounts, next) {
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self.web3.eth.getBalance(self.web3.eth.defaultAccount).then((balance) => {
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if (parseInt(balance, 10) === 0) {
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console.warn("Warning: default account has no funds");
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}
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next(null, accounts);
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}).catch((err) => {
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next(err);
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});
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},
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function deploy(accounts, next) {
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self.engine.events.request('deploy:contracts:test', () => {
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next(null, accounts);
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});
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},
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function createContractObject(accounts, next) {
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self.engine.events.request('contracts:all', (err, contracts) => {
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async.each(contracts, (contract, eachCb) => {
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if (!self.contracts[contract.className]) {
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self.contracts[contract.className] = {};
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}
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let newContract = new EmbarkJS.Contract({
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abi: contract.abiDefinition,
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address: contract.deployedAddress,
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from: self.web3.eth.defaultAccount,
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gas: 6000000,
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web3: self.web3
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});
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if (newContract.options) {
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newContract.options.from = self.web3.eth.defaultAccount;
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newContract.options.data = contract.code;
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if (!newContract.options.data.startsWith('0x')) {
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newContract.options.data = '0x' + newContract.options.data;
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}
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newContract.options.gas = 6000000;
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}
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Object.setPrototypeOf(self.contracts[contract.className], newContract);
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eachCb();
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}, (err) => {
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next(err, accounts);
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});
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});
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}
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], function (err, accounts) {
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if (err) {
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console.log(__('terminating due to error'));
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return callback(err);
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}
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callback(null, accounts);
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});
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}
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require(path) {
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const prefix = 'Embark/contracts/';
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if (!path.startsWith(prefix)) {
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throw new Error(__('Unknown module %s', path));
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}
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let contractName = path.replace(prefix, "");
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let contract = this.contracts[contractName];
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if (contract) {
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return contract;
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}
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let newContract = {};
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this.contracts[contractName] = newContract;
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return newContract;
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}
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}
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module.exports = Test;
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