Submission Details
Severity:
Lack of Reentrancy Protection
Summary
Location: EggHuntGame.sol, depositEggToVault() function
Vulnerability Details
The function performs an external call (NFT transfer) before updating state
eggNFT.transferFrom(msg.sender, address(eggVault), tokenId);
eggVault.depositEgg(tokenId, msg.sender);
Impact
Potential reentrancy attack if EggVault has callback functionality
Could allow malicious vault to reenter and manipulate game state
Tools Used
manual review
Recommendations
Implement checks-effects-interactions pattern
Add reentrancy guard (OpenZeppelin's ReentrancyGuard)
Rewards breakdown
nSLOC
129This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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