Fix Web3 for timestamp overflow.

fix-web3.js

const fs = require("fs");
const path = "node_modules/web3-core-helpers/src/formatters.js";
if (fs.existsSync(path)) {
  fs.readFile(path, "utf8", (err, data) => {
    if (err) {
      return console.error(err);
    }
    const result = data.replace(
      /block\.timestamp \= utils\.hexToNumber\(/gm,
      "block.timestamp = utils.hexToNumberString(",
    );

    fs.writeFile(path, result, "utf8", err => {
      if (err) return console.error(err);
    });
  });
}