anchor.diff:            description = "Cardano SL - the SSC class";
             license = stdenv.lib.licenses.mit;
           }) {};
  -      cardano-sl-tools = callPackage ({ Chart, Chart-diagrams, Glob, MonadRandom, QuickCheck, aeson, ansi-wl-pprint, array, async, attoparsec, base, base58-bytestring, bytestring, canonical-json, cardano-report-server, cardano-sl, cardano-sl-core, cardano-sl-db, cardano-sl-infra, cardano-sl-lrc, cardano-sl-ssc, cardano-sl-txp, containers, cpphs, cryptonite, data-default, directory, ed25519, ether, fgl, filepath, foldl, formatting, graphviz, kademlia, lens, log-warper, mkDerivation, mtl, neat-interpolation, node-sketch, optparse-applicative, parsec, pipes, pipes-bytestring, pipes-interleave, pipes-safe, process, random, random-shuffle, safe-exceptions, serokell-util, stdenv, stm, system-filepath, tar, text, text-format, time, time-units, universum, unix-compat, unordered-containers, vector, yaml }:
  +      cardano-sl-tools = callPackage ({ Chart, Chart-diagrams, Glob, MonadRandom, QuickCheck, aeson, ansi-wl-pprint, array, async, attoparsec, base, base58-bytestring, bytestring, canonical-json, cardano-report-server, cardano-sl, cardano-sl-core, cardano-sl-db, cardano-sl-infra, cardano-sl-lrc, cardano-sl-ssc, cardano-sl-txp, containers, cpphs, cryptonite, data-default, directory, ed25519, ether, fgl, filepath, foldl, formatting, graphviz, kademlia, lens, lifted-async, log-warper, mkDerivation, mtl, neat-interpolation, node-sketch, optparse-applicative, parsec, pipes, pipes-bytestring, pipes-interleave, pipes-safe, process, random, random-shuffle, safe-exceptions, serokell-util, stdenv, stm, system-filepath, tar, text, text-format, time, time-units, universum, unix, unix-compat, unordered-containers, vector, yaml }:
         mkDerivation {
             pname = "cardano-sl-tools";
             version = "1.0.1";
  
positive.code:           homepage = "http://github.com/ekmett/lens/";
            description = "Lenses, Folds and Traversals";
            license = stdenv.lib.licenses.bsd2;
          }) {};
        lifted-base = callPackage ({ base, mkDerivation, monad-control, stdenv, transformers-base }:
        mkDerivation {
  
negative.code:       happy = callPackage ({ Cabal, array, base, containers, directory, filepath, mkDerivation, mtl, stdenv }:
        mkDerivation {
            pname = "happy";
            version = "1.19.8";
            sha256 = "4df739965d559e48a9b0044fa6140241c07e8f3c794c6c0a6323024fd7f0d3a0";
            isLibrary = false;
            isExecutable = true;
            setupHaskellDepends = [
  