Submission Details
Impact:
Likelihood:
Slippage Protection
Description Normal behavior: Buyers execute orders at stated prices
Issue: No protection against front-running or last-second price changes
Risk
Likelihood:
Occurs during network congestion
More likely with large orders
Impact:
-
Financial loss for buyers
-
Poor user experience
Recommended Mitigation
diff
function buyOrder(uint256 _orderId) public {...
-
function buyOrder(uint256 _orderId, uint256 maxPrice) public {...
if (orders[_orderId].priceInUSDC > maxPrice) revert PriceTooHigh();
Scope:
-
https://github.com/CodeHawks-Contests/2025-07-orderbook/blob/main/src/OrderBook.sol
-
../src/OrderBook.sol
I was unable to select scope in scope section !
Updates
Rewards breakdown
nSLOC
217This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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