loadcontract.js

// SMART CONTRACT CONFIG
let fs = require("fs");
let Web3 = require('web3'); // https://www.npmjs.com/package/web3

// Create a web3 connection to a running geth node over JSON-RPC running at
// http://localhost:7545

let web3 = new Web3();
web3.setProvider(new web3.providers.HttpProvider('http://localhost:7545'));

let source = fs.readFileSync("chocolavabank.json");
let contracts = JSON.parse(source);

//SMART CONTRACT CONFIG ENDS

var myContract = new web3.eth.Contract(contracts.abi,  <CONTRACTS_ID>, {
    from: <ACCOUNT_ID>, // default from address
    gasPrice: '3000000' // default gas price in wei, 20 gwei in this case
});