anchor.diff:  }:
   
   let
  -  version = "4.0.7";
  +  version = "4.0.9";
   
     libsecp256k1_name =
       if stdenv.isLinux then "libsecp256k1.so.0"
  
positive.code:     owner = "spesmilo";
      repo = "electrum";
      rev = version;
      sha256 = "06vcbj9p96d8v4xjlygzr74lqllb9adn8k0racajzq61ijb0imi2";
  
      extraPostFetch = ''
        mv $out ./all
  
negative.code: 
    src = fetchurl {
      url = "https://download.electrum.org/${version}/Electrum-${version}.tar.gz";
      sha256 = "1fvjiagi78f32nxgr2rx8jas8hxfvpp1c8fpfcalvykmlhdc2gva";
    };
  
    postUnpack = ''
  