function setRewardPeriod(uint48 val) public governance {
    require(val > 0 && val <= MAX_REWARD_PERIOD, "invalid rewardPeriod");
    _payoutRewards(); // @audit Payout rewards for fairness
    emit RewardPeriodSet(rewardPeriod, val);
    rewardPeriod = val;
    require(rewardPeriod * 2 <= unstakingDelay, "unstakingDelay/rewardPeriod incompatible");
}

function setRewardRatio(uint192 val) public governance {
    require(val <= MAX_REWARD_RATIO, "invalid rewardRatio");
    _payoutRewards(); // @audit Payout rewards for fairness
    emit RewardRatioSet(rewardRatio, val);
    rewardRatio = val;
}
