mirror of https://github.com/embarklabs/embark.git
53 lines
1.8 KiB
JavaScript
53 lines
1.8 KiB
JavaScript
let shelljs = require('shelljs');
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let proxy = require('./proxy');
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class Simulator {
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constructor(options) {
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this.blockchainConfig = options.blockchainConfig;
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this.logger = options.logger;
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}
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run(options) { let cmds = [];
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const testrpc = shelljs.which('testrpc');
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const ganache = shelljs.which('ganache-cli');
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if (!testrpc && !ganache) {
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this.logger.warn(__('%s is not installed on your machine', 'Ganache CLI (TestRPC)'));
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this.logger.info(__('You can install it by running: %s', 'npm -g install ganache-cli'));
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process.exit();
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}
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let useProxy = this.blockchainConfig.proxy || false;
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let host = (options.host || this.blockchainConfig.rpcHost || 'localhost');
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let port = (options.port || this.blockchainConfig.rpcPort || 8545);
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cmds.push("-p " + (port + (useProxy ? 10 : 0)));
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cmds.push("-h " + host);
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cmds.push("-a " + (options.numAccounts || 10));
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cmds.push("-e " + (options.defaultBalance || 100));
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cmds.push("-l " + (options.gasLimit || 8000000));
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// adding mnemonic only if it is defined in the blockchainConfig or options
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let simulatorMnemonic = this.blockchainConfig.simulatorMnemonic || options.simulatorMnemonic;
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if (simulatorMnemonic) {
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cmds.push("--mnemonic \"" + (simulatorMnemonic) +"\"");
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}
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// adding blocktime only if it is defined in the blockchainConfig or options
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let simulatorBlocktime = this.blockchainConfig.simulatorBlocktime || options.simulatorBlocktime;
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if (simulatorBlocktime) {
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cmds.push("-b \"" + (simulatorBlocktime) +"\"");
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}
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const program = ganache ? 'ganache-cli' : 'testrpc';
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shelljs.exec(`${program} ${cmds.join(' ')}`, {async : true});
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if(useProxy){
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proxy.serve(host, port);
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}
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}
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}
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module.exports = Simulator;
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