marathon fixes

[0mkara]

• Selected network is Hardhat Testnet -> Network selected : Hardhat Testnet
• Account 0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266 is selected Account selected : 0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266
• [15:43:15]: Deploying contract... -> [15:43:15]: Deploying contract greeter.sol ...
• [15:43:15]: Contract deployed to 0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0 -> Deployed contract greeter.sol at 0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0
• Mostly follow ": " format for logs

[0mkara]

• if deployed contract address is not defined in appropriate JSON file, show contract address not defined error to users.