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AI First Flight
Puppy Raffle
AI First Flight #1
Beginner Friendly
Foundry
Solidity
NFT
EXP
AI First Flight
EXP
Aug 2nd, 2026 → Aug 9th, 2026
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#1
Using address(0) as the in-place refund sentinel makes two refunds collide in the duplicate check, permanently disabling enterRaffle and selectWinner
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[H-04] `PuppyRaffle::refund...
mrcanard
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