286 lines
9.5 KiB
JavaScript
286 lines
9.5 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 constants = require('../constants');
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const Events = require('../core/events');
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const cloneDeep = require('clone-deep');
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const AccountParser = require('../contracts/accountParser');
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const Provider = require('../contracts/provider');
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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.contracts = {};
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this.events = new Events();
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this.ready = true;
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this.builtContracts = {};
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this.compiledContracts = {};
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this.web3 = new Web3();
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}
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initWeb3Provider(callback) {
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if (this.simOptions.host) {
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const providerOptions = {
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web3: this.web3,
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accountsConfig: this.simOptions.accounts,
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logger: this.engine.logger,
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isDev: false,
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web3Endpoint: 'http://' + this.simOptions.host + ':' + this.simOptions.port
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};
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this.provider = new Provider(providerOptions);
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return this.provider.startWeb3Provider(callback);
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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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return {balance: account.hexBalance, secretKey: account.privateKey};
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});
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}
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this.sim = getSimulator();
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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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ipcRole: 'client'
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});
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}
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init(callback) {
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const self = this;
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this.initWeb3Provider((err) => {
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if (err) {
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return callback(err);
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}
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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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});
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this.engine.init({
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logger: new TestLogger({logLevel: 'debug'})
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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.contractsManager.build(() => {
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self.builtContracts = cloneDeep(self.engine.contractsManager.contracts);
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self.compiledContracts = cloneDeep(self.engine.contractsManager.compiledContracts);
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callback();
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});
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});
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}
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onReady(callback) {
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if (this.ready) {
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return callback();
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}
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this.events.once('ready', () => {
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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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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 checkDeploymentOptions(next) {
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if (!options.deployment) {
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if (!self.simOptions.host && !self.simOptions.accounts) {
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return next();
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}
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self.simOptions = {};
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} else {
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self.simOptions = {};
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let resetServices = false;
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if (options.deployment.accounts) {
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// Account setup
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self.simOptions.accounts = AccountParser.parseAccountsConfig(options.deployment.accounts, self.web3);
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resetServices = true;
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}
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if (options.deployment.host && options.deployment.port && options.deployment.type) {
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if (options.deployment.type !== 'rpc') {
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throw new Error(__("contracts config error: unknown deployment type %s", options.deployment.type));
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}
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Object.assign(self.simOptions, {host: options.deployment.host, port: options.deployment.port});
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resetServices = true;
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}
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if (!resetServices) {
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return next();
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}
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}
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self.initWeb3Provider((err) => {
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if (err) {
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return next(err);
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}
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self.initDeployServices();
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next();
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});
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},
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function resetContracts(next) {
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self.engine.contractsManager.contracts = cloneDeep(self.builtContracts);
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self.engine.contractsManager.compiledContracts = cloneDeep(self.compiledContracts);
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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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self.ready = true;
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self.events.emit('ready');
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if (err) {
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console.error(err.red);
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return next(err);
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}
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next(null, accounts);
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});
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}
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], callback);
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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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self.engine.events.emit(constants.events.contractConfigChanged, self.engine.config.contractsConfig);
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next();
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},
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function deploy(next) {
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self.engine.deployManager.gasLimit = 6000000;
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self.engine.contractsManager.gasLimit = 6000000;
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self.engine.deployManager.fatalErrors = true;
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self.engine.deployManager.deployOnlyOnConfig = true;
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self.engine.events.request('deploy:contracts', 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 createContractObject(accounts, next) {
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async.each(Object.keys(self.engine.contractsManager.contracts), (contractName, eachCb) => {
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const contract = self.engine.contractsManager.contracts[contractName];
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let data;
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if (!self.contracts[contractName]) {
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self.contracts[contractName] = {};
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data = "";
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} else {
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data = self.contracts[contractName].options.data;
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}
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Object.assign(self.contracts[contractName], new self.web3.eth.Contract(contract.abiDefinition, contract.deployedAddress,
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{from: self.web3.eth.defaultAccount, gas: 6000000}));
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self.contracts[contractName].address = contract.deployedAddress;
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if (self.contracts[contractName].options) {
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self.contracts[contractName].options.from = self.contracts[contractName].options.from || web3.eth.defaultAccount;
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self.contracts[contractName].options.data = data;
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}
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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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], 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(module) {
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if (module.startsWith('Embark/contracts/')) {
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const contractName = module.substr(17);
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if (this.contracts[contractName]) {
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return this.contracts[contractName];
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}
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let contract = this.engine.contractsManager.contracts[contractName];
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if (!contract) {
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const contractNames = Object.keys(this.engine.contractsManager.contracts);
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// It is probably an instanceof
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contractNames.find(contrName => {
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// Find a contract with a similar name
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if (contractName.indexOf(contrName) > -1) {
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contract = this.engine.contractsManager.contracts[contrName];
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return true;
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}
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return false;
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});
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// If still nothing, assign bogus one, we will redefine it anyway on deploy
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if (!contract) {
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console.warn(__('Could not recognize the contract name "%s"', contractName));
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console.warn(__('If it is an instance of another contract, it will be reassigned on deploy'));
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console.warn(__('Otherwise, you can rename the contract to contain the parent contract in the name eg: Token2 for Token'));
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contract = this.engine.contractsManager.contracts[contractNames[0]];
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}
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}
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this.contracts[contractName] = new this.web3.eth.Contract(contract.abiDefinition, contract.address,
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{from: this.web3.eth.defaultAccount, gas: 6000000});
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this.contracts[contractName].address = contract.address;
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this.contracts[contractName].options.data = contract.code;
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web3.eth.getAccounts().then((accounts) => {
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this.contracts[contractName].options.from = contract.from || accounts[0];
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});
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return this.contracts[contractName];
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}
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throw new Error(__('Unknown module %s', module));
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}
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}
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module.exports = Test;
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