embark-area-51/lib/tests/test.js

372 lines
11 KiB
JavaScript

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