Cleanup scripts

scripts/find-block-for-date.js

@@ -1,10 +1,12 @@
 const promptly = require('promptly');
 const EthDater = require('ethereum-block-by-date');
-const initKredits = require('./helpers/init_kredits.js');
 
-module.exports = async function(callback) {
-  let kredits;
-  try { kredits = await initKredits(web3); } catch(e) { callback(e); return; }
+const { ethers } = require("hardhat");
+const Kredits = require('../lib/kredits');
+
+async function main() {
+  kredits = new Kredits(hre.ethers.provider, hre.ethers.provider.getSigner())
+  await kredits.init();
 
   const dater     = new EthDater(kredits.provider);
   const dateStr   = await promptly.prompt('Specify a date and time (e.g. 2021-05-07T14:00:40Z): ');
@@ -15,5 +17,6 @@ The closest block is #${blockData.block}:
 https://rinkeby.etherscan.io/block/${blockData.block}
 `);
 
-  callback();
 }
+
+main();