Submission Details
Severity:
precision loss in notifyReward.
Summary
here in the notifyReward we are getting a precision loss in the notifyReward.
amount will be getting lost.
Vulnerability Details
function notifyReward(
PeriodState storage state,
uint256 amount,
uint256 maxEmission,
uint256 periodDuration
) internal view returns (uint256) {
if (amount > maxEmission) revert RewardCapExceeded();
if (amount + state.distributed > state.emission) {
revert RewardCapExceeded();
}
@>> uint256 rewardRate = amount / periodDuration;
if (rewardRate == 0) revert ZeroRewardRate();
return rewardRate;
}
Impact
amount will get lost.
Tools Used
Recommendations
send the remaining amount (amount-rewardRate*periodDuration).
Prize pool breakdown
Total prize
77,280 USDC
nSLOC
3,86420
USDC / LOC
74,000
3,280
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