anchor.diff:  
     gmsm = buildFromGitHub {
       version = 3;
  -    rev = "v1.0.1";
  +    rev = "v1.1";
       owner = "tjfoc";
       repo = "gmsm";
  -    sha256 = "140dnvjn0byyw8wzfjf2a775i013j12gbxm85qs7vzcgrz21kmm7";
  +    sha256 = "10pygy31wfcfq2gxi3r3zmqybaw4agmch8r3siiyyps92bhjzzrx";
       propagatedBuildInputs = [
         crypto
       ];
  
positive.code:   zappy = buildFromGitHub {
      version = 1;
      date = "2016-07-23";
      rev = "2533cb5b45cc6c07421468ce262899ddc9d53fb7";
      owner = "cznic";
      repo = "zappy";
      sha256 = "1fn4kqiggz6b5srkqhn37nwsi381x6hx3n83cbg0fxcb7zb3b6xl";
  
negative.code:   };
  
    gateway = buildFromGitHub {
      version = 3;
      date = "2016-05-22";
      rev = "edad739645120eeb82866bc1901d3317b57909b1";
      owner  = "calmh";
      repo   = "gateway";
      sha256 = "0544gd2ic2fvq1jjxsz6wfh1xgb4x51my148h282xzmxd509d3jr";
      goPackageAliases = [
        "github.com/jackpal/gateway"
      ];
  