embark/lib/cmds/simulator.js

53 lines
1.8 KiB
JavaScript

const path = require('path');
let shelljs = require('shelljs');
let proxy = require('../core/proxy');
const Ipc = require('../core/ipc');
const constants = require('../constants.json');
class Simulator {
constructor(options) {
this.blockchainConfig = options.blockchainConfig;
this.logger = options.logger;
}
run(options) {
let cmds = [];
const ganache = path.join(__dirname, '../../node_modules/.bin/ganache-cli');
let useProxy = this.blockchainConfig.proxy || false;
let host = (options.host || this.blockchainConfig.rpcHost || 'localhost');
let port = (options.port || this.blockchainConfig.rpcPort || 8545);
cmds.push("-p " + (port + (useProxy ? constants.blockchain.servicePortOnProxy : 0)));
cmds.push("-h " + host);
cmds.push("-a " + (options.numAccounts || 10));
cmds.push("-e " + (options.defaultBalance || 100));
cmds.push("-l " + (options.gasLimit || 8000000));
// adding mnemonic only if it is defined in the blockchainConfig or options
let simulatorMnemonic = this.blockchainConfig.simulatorMnemonic || options.simulatorMnemonic;
if (simulatorMnemonic) {
cmds.push("--mnemonic \"" + (simulatorMnemonic) +"\"");
}
// adding blocktime only if it is defined in the blockchainConfig or options
let simulatorBlocktime = this.blockchainConfig.simulatorBlocktime || options.simulatorBlocktime;
if (simulatorBlocktime) {
cmds.push("-b \"" + (simulatorBlocktime) +"\"");
}
const programName = 'ganache-cli';
const program = ganache;
console.log(`running: ${programName} ${cmds.join(' ')}`);
shelljs.exec(`${program} ${cmds.join(' ')}`, {async : true});
if(useProxy){
let ipcObject = new Ipc({ipcRole: 'client'});
proxy.serve(ipcObject, host, port, false);
}
}
}
module.exports = Simulator;