  function setFinalLongPayout(uint256 _finalLongPayout) external override onlyOwner { 
    require(finalLongPayout > MAX_PAYOUT, "Finalized already"); //++++++++++++++++++++++++

    require(_finalLongPayout >= floorLongPayout, "Payout cannot be below floor");
    require(_finalLongPayout <= ceilingLongPayout, "Payout cannot exceed ceiling");
    finalLongPayout = _finalLongPayout;
    emit FinalLongPayoutSet(_finalLongPayout);
  }
