The event RequestedRaffleWinner is defined but never emitted.
The RequestedRaffleWinner event is already defined. It should be emitted at the end of the request_raffle_winner() function call.
Low: Events are useful for off-chain tracking but do not directly impact the contract functionality.
Manual code inspection.
Add log RequestedRaffleWinner(request_id) before return ERC721._total_supply() in the request_raffle_winner() function.
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