contract GasBackFuel is BEP20('GasFuel', 'GASF') {
  /// @notice Creates `_amount` token to `_to`. Must only be called by the owner (MasterChef).
  function mint(address _to, uint256 _amount) public onlyOwner {
      _mint(_to, _amount);
  }

  function getChainId() internal pure returns (uint) {
      uint256 chainId;
      assembly { chainId := chainid() }
      return chainId;
  }
}
// GasFuel
function mint(address _to, uint256 _amount) public onlyOwner {
    _mint(_to, _amount);
}

/// @notice Creates `_amount` token to `_to`. Must only be called by the owner (MasterChef).