anchor.diff:    passthru = {
       srcVerification = fetchurl rec {
         failEarly = true;
  -      urls = tarballUrls "1.7.3";
  -      pgpsigUrls = map (n: "${n}.asc") urls;
  -      pgpKeyFingerprint = "EDFA A3F2 CA4E 6EB0 5681  AF8E 9F6F 1C2D 7E04 5F8D";
  -      inherit (src) outputHashAlgo;
  -      outputHash = "c11de115d928a6b48b2165e0214402a7a7da313cd479203a7ce7a8b62cba602d";
  +      urls = tarballUrls "1.8.0";
  +      outputHash = "78f79d6d3b643fdcd74a14fc76542250da886c82f82bc55b51e189663d61b83f";
  +      inherit (src)
  +        outputHashAlgo;
  +      fullOpts = {
  +        pgpsigUrls = map (n: "${n}.asc") urls;
  +        pgpKeyFingerprint = "EDFA A3F2 CA4E 6EB0 5681  AF8E 9F6F 1C2D 7E04 5F8D";
  +      };
       };
     };
   
  
positive.code:     protobuf-c
      systemd_lib
    ];
  
    configureFlags = [
      "--localstatedir=/var"
  
negative.code:     "https://unbound.net/downloads/unbound-${version}.tar.gz"
    ];
  
    version = "1.8.0";
  in
  stdenv.mkDerivation rec {
    name = "unbound-${version}";
  
    src = fetchurl {
      urls = tarballUrls version;
      multihash = "QmcFV58VRqpDN3JXvqqGZLvXpJmZRBPEQzQuo4Q79yToit";
      hashOutput = false;
      sha256 = "78f79d6d3b643fdcd74a14fc76542250da886c82f82bc55b51e189663d61b83f";
    };
  
    buildInputs = [
  