function deployCampaign(
    uint32 holdingPeriodInSeconds,
    address targetToken,
    address rewardToken,
    uint256 rewardPPQ,
    address campaignAdmin,
    uint256 startTimestamp,
    address alternativeWithdrawalAddress,
    uint256 uuid
) public returns (address campaign) {
    if (campaignAdmin == address(0)) revert ZeroAddress();
    if (targetToken == address(0) || rewardToken == address(0)) revert ZeroAddress();
    if (holdingPeriodInSeconds == 0) revert InvalidParameter();

    // No validation that rewardPPQ > 0 and rewardPPQ < PPQ_DENOMINATOR
    // ...
}
function getRewardAmountIncludingFees(uint256 toAmount) public view returns (uint256) {
    // If rewardPPQ is 0, this will always return 0 rewards
    // If rewardPPQ >= PPQ_DENOMINATOR (1e15), rewards will be >= 100% of toAmount
    return toAmount.mulDiv(rewardPPQ, PPQ_DENOMINATOR);
}
// Add to deployCampaign function
if (rewardPPQ == 0) revert ZeroRewardRate();
if (rewardPPQ >= PPQ_DENOMINATOR) revert ExcessiveRewardRate();
error ZeroRewardRate();
error ExcessiveRewardRate();
