Core Contracts
Regnum Aurum Acquisition Corp
HardhatReal World AssetsNFT
77,280 USDC
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Submission Details
Severity: low
Valid

Incorrect Fee Percentage Calculation in _initializeFeeTypes in FeeCollector contract

whitekittyhacker

Summary

The FeeCollector::_initializeFeeTypes function contains incorrect percentage calculations for veRAACShare, burnShare, repairShare, and treasuryShare in certain fee types. The values are stored in basis points (bps), where 100% equals 10,000. However, for fee types 6 and 7, the calculations assume 500 represents 0.5%, whereas it should be 50 (since 50 bps = 0.5%). This leads to an overestimation of allocated fees.

Vulnerability Details

The issue appears in the following fee types:
https://github.com/Cyfrin/2025-02-raac/blob/89ccb062e2b175374d40d824263a4c0b601bcb7f/contracts/core/collectors/FeeCollector.sol#L379-L393

// Buy/Sell Swap Tax (2% total)
feeTypes[6] = FeeType({
veRAACShare: 500, // 0.5%
burnShare: 500, // 0.5%
repairShare: 1000, // 1.0%
treasuryShare: 0
});
// NFT Royalty Fees (2% total)
feeTypes[7] = FeeType({
veRAACShare: 500, // 0.5%
burnShare: 0,
repairShare: 1000, // 1.0%
treasuryShare: 500 // 0.5%
});

The intended values are 0.5% (50 bps) for veRAACShare, burnShare, and treasuryShare, but they are mistakenly set as 500 instead of 50. Same for 1% for repairShare.

Impact

The fees are allocated at 10× the intended amount, leading to an unintended distribution of funds.

Tools Used

Manual review

Recommendations

Update feeTypes[6] and feeTypes[7] to correctly reflect the intended percentages

Updates

Lead Judging Commences

inallhonesty Lead Judge 3 months ago
Submission Judgement Published
Validated
Assigned finding tags:

Fee shares for fee type 6 and 7 inside FeeCollector do not total up to the expected 10000 basis points, this leads to update problems, moreover they are 10x the specifications

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