First Flight #17: Dussehra

[L-4]: Missing checks for address(0) when assigning values to address state variables

Check for address(0) when assigning values to address state variables.

• Found in src/ChoosingRam.sol

  ramNFT = RamNFT(_ramNFT);

• Found in src/Dussehra.sol

  ramNFT = RamNFT(_ramNFT);
  choosingRamContract = ChoosingRam(_choosingRamContract);

• Found in src/RamNFT.sol

  choosingRamContract = _choosingRamContract;

Recommended Mitigation: Add a zero checks. These differ per case but follow the structure:

Where is the address state variable and where <CONTRACT_NAME> is the contract name.