anchor.diff:      cp -ar ${tests} $sourceRoot/electrum_ltc/tests
     '';
   
  -  prePatch = ''
  -    substituteInPlace contrib/requirements/requirements.txt \
  -      --replace "dnspython>=2.0,<2.1" "dnspython>=2.0"
  -
  -    # according to upstream, this is fine
  -    # https://github.com/spesmilo/electrum/issues/7361
  -    substituteInPlace contrib/requirements/requirements.txt \
  -      --replace "qdarkstyle<2.9" "qdarkstyle>=2.7"
  -  '';
  -
     nativeBuildInputs = lib.optionals enableQt [ wrapQtAppsHook ];
   
  -  propagatedBuildInputs = with py.pkgs; [
  +  propagatedBuildInputs = with python3.pkgs; [
       aiohttp
       aiohttp-socks
       aiorpcx
  
positive.code: 
    src = fetchurl {
      url = "https://electrum-ltc.org/download/Electrum-LTC-${version}.tar.gz";
      sha256 = "sha256-+oox0BGqkvj0OGOKJF8tUoKdsZFeffNb6rTF8E8mo08=";
    };
  
    postUnpack = ''
  
negative.code: }:
  
  let
    version = "4.2.2.1";
  
    libsecp256k1_name =
      if stdenv.isLinux then "libsecp256k1.so.0"
  