@thenextblock/hardhat-weth/src/functions.ts

WETH deployment plugin for Hardhat

import { Signer } from 'ethers';

import { WETH9, WETH9__factory } from '../typechain';

export async function deployWeth(deployer: Signer): Promise<WETH9> {
  const contract = await new WETH9__factory(deployer).deploy();
  return contract.deployed();
}