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Puppy Raffle
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AI First Flight
Puppy Raffle
AI First Flight #1
Beginner Friendly
Foundry
Solidity
NFT
EXP
AI First Flight
EXP
Nov 1st, 2026 → Nov 8th, 2026
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3 / 3
Submissions
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#1
Reentrancy in `refund()` allows an attacker to drain all players' entrance fees
High
Valid
[H-02] Reentrancy Vulnerabi...
junzai
#2
`refund()` leaves empty slots in `players`, so `selectWinner()` prices the prize pool off a stale player count — a single refund bricks small rounds and larger rounds overpay the prize
High
Valid
[H-04] `PuppyRaffle::refund...
junzai
#3
`totalFees` is stored as `uint64` and silently truncates, permanently bricking `withdrawFees()` and locking all protocol fees
High
Valid
[H-05] Typecasting from uin...
junzai
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