samlaf

// In https://solidity-by-example.org/sending-ether/
// They say: call in combination with re-entrancy guard is the recommended method to use after December 2019.
//           (see https://consensys.github.io/smart-contract-best-practices/recommendations/#dont-use-transfer-or-send for an explanation)

// and compare the gas fees of the 3 methods:
// transfer (2300 gas, throws error)
// send (2300 gas, returns bool)
// call (forward all gas or set gas, returns bool)

// I tested all 3 methods, by sending 10 eth to a contract and then withdrawing using these functions:

samlaf

// hardhat task
task('blockTimestamp', 'Prints the block timestamp', async (_, { ethers }) => {
  const currentBlock = await ethers.provider.getBlockNumber();
  const blockTimestamp = (await ethers.provider.getBlock(currentBlock)).timestamp;
  console.log(blockTimestamp);
  const date = new Date(blockTimestamp * 1000); // Date requires ms, whereas block.timestamp is in s
  console.log(date)
});

samlaf

import { Layout, plot, Plot } from 'nodeplotlib';
import { readFileSync } from 'fs';

(async () => {

	let readVal = readFileSync('eips.json', {
		encoding: "utf-8"
	});
	const eips = JSON.parse(readVal);

samlaf