func: function mint(
          address _to,
          uint256 _amount,
          CremanonToken ct
      )
        internal
        returns (bool)
      {
          require(tokenWallet != address(0), "token wallet is not set");
          ct.mint(tokenWallet, _amount*10);
          
          super._mint(_to, _amount);
          emit Mint(_to, _amount);
          
          return true;
      }