let shelljs = require('shelljs'); let Simulator = function(options) { this.blockchainConfig = options.blockchainConfig; }; Simulator.prototype.run = function(options) { let cmds = []; cmds.push("-p " + (this.blockchainConfig.rpcPort || options.port || 8545)); cmds.push("-h " + (this.blockchainConfig.rpcHost || options.host || 'localhost')); cmds.push("-a " + (options.num || 10)); shelljs.exec('testrpc ' + cmds.join(' ')); }; module.exports = Simulator;