Adding CORS to express JS

lib/api.js

@@ -9,6 +9,7 @@ const cnUtil = require('cryptonote-util');
 let bodyParser = require('body-parser');
 let jwt = require('jsonwebtoken'); // used to create, sign, and verify tokens
 const crypto = require('crypto');
+let cors = require('cors');
 
 
 let addressBase58Prefix = cnUtil.address_decode(new Buffer(global.config.pool.address));
@@ -21,6 +22,7 @@ if (cluster.isMaster) {
     threadName = "(Worker " + cluster.worker.id + " - " + process.pid + ") ";
 }
 
+app.use(cors());
 app.use(bodyParser.urlencoded({extended: false}));
 app.use(bodyParser.json());