sterlu

const rlp = require("rlp");
const web3Utils = require("web3-utils");

/**
 * Calculates address of contract created by deployerAddr if CREATE is used (not CREATE2)
 **/
const calcAddress = (deployerAddr, nonce) => {
  const rlpEncoded = Buffer.from(rlp.encode([deployerAddr, nonce])).toString('hex');
  const address = '0x' + web3Utils.sha3('0x' + rlpEncoded).substr(66 - 40);
  return address;

sterlu

const SECONDS_PER_YEAR = 365.25 * 24 * 60 * 60;
const BLOCKS_IN_A_YEAR = SECONDS_PER_YEAR / 14;

/**
 * Formula source: http://www.linked8.com/blog/158-apy-to-apr-and-apr-to-apy-calculation-methodologies
 *
 * @param interest {Number} APY as percentage (ie. 6)
 * @param frequency {Number} Compounding frequency (times a year)
 * @returns {Number} APR as percentage (ie. 5.82 for APY of 6%)
 */

sterlu

// Disclamer:
// We are assuming Web3@1.0 is instantiated with a MetaMask provider or similar

const yourAccount = (await web3.eth.getAccounts())[0].toLowerCase()

function namehash(name) {
    var node = '0x0000000000000000000000000000000000000000000000000000000000000000';
    if (name !== '') {
        var labels = name.split(".");
        for(var i = labels.length - 1; i >= 0; i--) {