Solidity Programming Tutorials, Guides & Best Practices

     require("@nomiclabs/hardhat-waffle");
     require("@nomiclabs/hardhat-etherscan");

     module.exports = {
         solidity: "0.8.0",
         networks: {
             ropsten: {
                 url: "https://ropsten.infura.io/v3/YOUR_INFURA_PROJECT_ID",
                 accounts: [`0x${YOUR_PRIVATE_KEY}`]
             }
         },
         etherscan: {
             apiKey: "YOUR_ETHERSCAN_API_KEY"
         }
     };

   npx hardhat verify --network ropsten YOUR_DEPLOYED_CONTRACT_ADDRESS "MyToken" "MTK" "1000000000000000000000000"