anchor.diff:      "mirror://gentoo/distfiles/libsodium-${version}.tar.gz"
     ];
   
  -  version = "1.0.17";
  +  version = "1.0.18";
   in
   stdenv.mkDerivation rec {
     name = "libsodium-${version}";
  
positive.code:   passthru = {
      srcVerification = fetchurl rec {
        failEarly = true;
        urls = tarballUrls "1.0.17";
        fullOpts = {
          minisignUrls = map (n: "${n}.minisig") urls;
          minisignPub = "RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3";
        };
        sha256 = "0cc3dae33e642cc187b5ceb467e0ad0e1b51dcba577de1190e9ffa17766ac2b1";
      };
    };
  
  
negative.code:   src = fetchurl {
      urls = tarballUrls version;
      hashOutput = false;
      sha256 = "6f504490b342a4f8a4c4a02fc9b866cbef8622d5df4e5452b46be121e46636c1";
    };
  
    doCheck = true;
  