/ config / contracts.js
contracts.js
 1  module.exports = {
 2    default: {
 3      dappConnection: [
 4        "$EMBARK",
 5        "$WEB3",  
 6        "ws://localhost:8546",
 7        "http://localhost:8545"
 8      ],
 9      gas: "auto",
10      deploy: {
11  
12      }
13    },
14    development: {},
15    privatenet: {},
16  };