setX.sol

pragma solidity ^0.4.19;

import './CMCEnabled.sol';


contract Storage is CMCEnabled {
  uint public x;

  function setX(uint _x) external isCMCEnabled("Storage") {
    x = _x;
  }
}

contract Controller is CMCEnabled {
  function setX(uint _x) external isCMCEnabled("UserEntry") {
    Storage(ContractProvider(CMC).contracts("Storage")).setX(_x);
  }
}

contract UserEntry is CMCEnabled {
  function setX(uint _x) external {
    Controller(ContractProvider(CMC).contracts("Controller")).setX(_x);
  }
}