function setRewardsPerSecond(uint256 _rewardsPerSecond, bool _persist) external onlyOwner {
  _massUpdatePools();
  rewardsPerSecond = _rewardsPerSecond;
  persistRewardsPerSecond = _persist;
  emit RewardsPerSecondUpdated(_rewardsPerSecond, _persist);
}

function setScheduledRewardsPerSecond() internal {
  if (!persistRewardsPerSecond) {
    uint256 length = emissionSchedule.length;
    uint256 i = emissionScheduleIndex;
    uint128 offset = uint128(block.timestamp - startTime);
    for (; i < length && offset >= emissionSchedule[i].startTimeOffset; ) {
      unchecked {
        i++;
      }
    }
    if (i > emissionScheduleIndex) {
      emissionScheduleIndex = i;
      _massUpdatePools();
      rewardsPerSecond = uint256(emissionSchedule[i - 1].rewardsPerSecond);
    }
  }
}
