func: function _playerRollDice(uint _rollUnder, TKN _tkn) private
      gameIsActive
      betIsValid(_tkn.value, _rollUnder)
    {
      require(_tkn.value < ((2 ** 200) - 1)); 
      
      require(block.number < ((2 ** 48) - 1)); 
      
      
  
      
      
      
     
  
      
      require(_zthToken(msg.sender));
  
      playerRoll memory roll = playerRolls[_tkn.sender];
  
      
      require(block.number != roll.blockn);
  
      if (roll.blockn != 0) {
        _finishBet(false, _tkn.sender);
      }
  
      
      
  
      
      
      
  
      
      
      
      
  
      
      
      
  
      
      
      
  
      
      
      
  
      roll.blockn = uint40(block.number);
      roll.tokenValue = uint200(_tkn.value);
      roll.rollUnder = uint8(_rollUnder);
  
      playerRolls[_tkn.sender] = roll; 
  
      
      emit LogBet(_tkn.sender, _tkn.value, _rollUnder);
                   
      
      
      
  
      
      
      
    }