Submission Details
Severity:
Redundant State Checks in `CharityRegistry.sol`
Description: Multiple require statements with state checks can be combined to save gas.
function verifyCharity(address charity) public {
require(msg.sender == admin, "Only admin can verify");
require(registeredCharities[charity], "Charity not registered");
verifiedCharities[charity] = true;
}
Impact:
Multiple state accesses
Redundant SLOAD operations
Gas Savings: Combining checks: ~2,000 gas per transaction
Recommended Mitigation:
function verifyCharity(address charity) public {
if (msg.sender != admin || !registeredCharities[charity]) {
revert("Unauthorized or not registered");
}
verifiedCharities[charity] = true;
}
Rewards breakdown
nSLOC
67This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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