anchor.diff:  
     src = fetchurl {
       url = "https://electrum-ltc.org/download/Electrum-LTC-${version}.tar.gz";
  -    sha256 = "sha256-+oox0BGqkvj0OGOKJF8tUoKdsZFeffNb6rTF8E8mo08=";
  +    sha256 = "sha256-7F28cve+HD5JDK5igfkGD/NvTCfA33g+DmQJ5mwPM9Q=";
     };
   
     postUnpack = ''
  
positive.code:     owner = "pooler";
      repo = "electrum-ltc";
      rev = version;
      sha256 = "sha256-oZjQnrnj8nCaQjrIz8bWNt6Ib8Wu2ZMXHEPfCCy2fjk=";
  
      postFetch = ''
        mv $out ./all
        mv ./all/electrum_ltc/tests $out
      '';
    };
  
    py = python3.override {
      packageOverrides = self: super: {
  
        aiorpcx = super.aiorpcx.overridePythonAttrs (oldAttrs: rec {
          version = "0.18.7";
          src = oldAttrs.src.override {
            inherit version;
            sha256 = "1rswrspv27x33xa5bnhrkjqzhv0sknv5kd7pl1vidw9d2z4rx2l0";
          };
        });
      };
    };
  
  in
  
negative.code:     cp -ar ${tests} $sourceRoot/electrum_ltc/tests
    '';
  
    nativeBuildInputs = lib.optionals enableQt [ wrapQtAppsHook ];
  
    propagatedBuildInputs = with python3.pkgs; [
      aiohttp
      aiohttp-socks
      aiorpcx
  