pragma solidity 0.4.20; import 'IController.sol'; import 'libraries/Ownable.sol'; contract EscapeHatchController is Ownable { IController public controller; function setController(IController _controller) public onlyOwner returns (bool) { controller = _controller; return true; } function emergencyStop() public onlyOwner returns (bool) { controller.emergencyStop(); return true; } function onTransferOwnership(address, address) internal returns (bool) { return true; } }