embark-area-51/lib/contracts/deploy_manager.js

91 lines
3.2 KiB
JavaScript

let async = require('async');
let Deploy = require('./deploy.js');
let ContractsManager = require('./contracts.js');
class DeployManager {
constructor(options) {
this.config = options.config;
this.logger = options.logger;
this.blockchainConfig = this.config.blockchainConfig;
this.events = options.events;
this.plugins = options.plugins;
this.web3 = options.web3;
this.chainConfig = (options.trackContracts !== false) ? this.config.chainTracker : false;
}
deployContracts(done) {
let self = this;
if (self.blockchainConfig === {} || self.blockchainConfig.enabled === false) {
self.logger.info("Blockchain component is disabled in the config".underline);
this.events.emit('blockchainDisabled', {});
return done();
}
async.waterfall([
function buildContracts(callback) {
let contractsManager = new ContractsManager({
contractFiles: self.config.contractsFiles,
contractsConfig: self.config.contractsConfig,
logger: self.logger,
plugins: self.plugins
});
contractsManager.build(callback);
},
function checkWeb3IsConnected(contractsManager, callback) {
if (!self.web3) {
return callback(Error("no web3 instance found"));
}
if (self.web3.currentProvider.isConnected !== undefined && !self.web3.isConnected()) {
self.logger.error(("Couldn't connect to an Ethereum node are you sure it's on?").red);
self.logger.info("make sure you have an Ethereum node or simulator running. e.g 'embark blockchain'".magenta);
return callback(Error("error connecting to blockchain node"));
}
if (self.web3.currentProvider.isConnected === undefined) {
self.web3.version.getNode(function (err, version) {
if (err) {
return callback(Error("error connecting to blockchain node"));
}
return callback(null, contractsManager, self.web3);
});
} else {
return callback(null, contractsManager, self.web3);
}
},
function setDefaultAccount(contractsManager, web3, callback) {
web3.eth.getAccounts(function (err, accounts) {
if (err) {
return callback(new Error(err));
}
let accountConfig = self.config.blockchainConfig.account;
let selectedAccount = accountConfig && accountConfig.address;
web3.eth.defaultAccount = (selectedAccount || accounts[0]);
callback(null, contractsManager, web3);
});
},
function deployAllContracts(contractsManager, web3, callback) {
let deploy = new Deploy({
web3: web3,
contractsManager: contractsManager,
logger: self.logger,
chainConfig: self.chainConfig,
env: self.config.env
});
deploy.deployAll(function () {
self.events.emit('contractsDeployed', contractsManager);
callback(null, contractsManager);
});
}
], function (err, result) {
if (err) {
done(err, null);
} else {
done(null, result);
}
});
}
}
module.exports = DeployManager;