Voting Power

/**
 * @notice Calculates the voting power for a range of weeks based on provided proofs.
 * @param forUser for which address
 * @param maxWeekIndex maximum allowed week index of the proposal.
 * @param minWeekIndex minimum allowed week index of the proposal.
 * @param individualProofs Array of individual rank proofs.
 * @param clubProofs Array of club rank proofs.
 * @return votingPower The total voting power (number of valid proofs).
 */
function _calculateVotingPower(
    address forUser,
    uint64 maxWeekIndex,
    uint64 minWeekIndex,
    IndividualRankProof[] memory individualProofs,
    ClubRankProof[] memory clubProofs
) internal view returns(uint64 votingPower) {
    // Interim owner has the maximum power of users can have
    if (forUser == i_interimOwner) {
        uint64 interimVotingPower = (maxWeekIndex - minWeekIndex + 1) * 2;
        return interimVotingPower;
    }

    // Individual rank proofs
    for (uint256 i = 0; i < individualProofs.length; i++) {
        IndividualRankProof memory proof = individualProofs[i];

        // Check for duplicated entries
        for (uint256 j = i + 1; j < individualProofs.length; j++) {
            require(!_isIndividualRankProofEqual(individualProofs[i], individualProofs[j]), "Rank proof has been already used in this proposal");
        }

        // Verify and apply power
        if (verifyIndividualRankProof(forUser, proof, minWeekIndex, maxWeekIndex)) {
            votingPower += 1;
        }
    }
    
    // Club rank proofs
    for (uint256 i = 0; i < clubProofs.length; i++) {
        ClubRankProof memory proof = clubProofs[i];

        // Check for duplicated entries
        for (uint256 j = i + 1; j < clubProofs.length; j++) {
            require(!_isClubRankProofEqual(clubProofs[i], clubProofs[j]), "Rank proof has been already used in this proposal");
        }

        // Verify and apply power
        if (verifyClubRankProof(forUser, proof, minWeekIndex, maxWeekIndex)) {
            votingPower += 1;
        }
    }
    
    return votingPower;
}