mirror of https://github.com/embarklabs/embark.git
46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
const vm = require('vm');
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class RunCode {
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constructor({logger}) {
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this.logger = logger;
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this.context = Object.assign({}, {
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global, console, exports, require, module, __filename, __dirname, process,
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setTimeout, setInterval, clearTimeout, clearInterval
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});
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}
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doEval(code) {
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try {
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return vm.runInNewContext(code, this.context);
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} catch(e) {
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this.logger.error(e.message);
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return e.message;
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}
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}
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registerVar(varName, code) {
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// TODO: Update all the code being dependent of web3
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// To identify, look at the top of the file for something like:
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// /*global web3*/
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if (varName === 'web3') {
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global.web3 = code;
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}
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this.context["global"][varName] = code;
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this.context[varName] = code;
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}
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getWeb3Config() {
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const Web3 = require('web3');
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const provider = this.context.web3.currentProvider;
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let providerUrl;
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if(provider instanceof Web3.providers.HttpProvider){
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providerUrl = provider.host;
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} else if (provider instanceof Web3.providers.WebsocketProvider) {
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providerUrl = provider.connection._url;
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}
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return {defaultAccount: this.context.web3.eth.defaultAccount, providerUrl: providerUrl};
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}
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}
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module.exports = RunCode;
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