First Flight #2: Puppy Raffle

Summary

There's no function in the smart contract which would call the selectWinner after every x seconds automatically as mentioned in the docs.

Vulnerability Details

As per the docs, the smart contract (raffle) should be able to call the selectWinner function after every x seconds.
But there is no such function that would trigger the selectWinner function every x seconds.

Ref from docs : 4. Every X seconds, the raffle will be able to draw a winner and be minted a random puppy.

Here I assume that raffle is referring to the smart contract . If the function is to be called by the owner then the docs should have mentioned Every X seconds, the owner will ... .

Impact

The selectWinner function is not automatically called after every x seconds.

Tools Used

VS Code

Recommendations

Add chainlinks automation to automate the calling of the selectWinner function every x seconds.