anchor.diff:    disabledTests = [
       "test_spend_through_n"
       "test_spend_zero_coin"
  +    "test_default_cached_master_passphrase"
  +    "test_using_legacy_keyring"
     ];
   
     postPatch = ''
  
positive.code: 
  python3Packages.buildPythonApplication rec {
    pname = "chia";
    version = "1.2.3";
  
    src = fetchFromGitHub {
      owner = "Chia-Network";
      repo = "chia-blockchain";
      rev = version;
      fetchSubmodules = true;
      sha256 = "sha256-nK/Zk2zgIdrRtw3+VkUXQWfI9j29XFDOR95Dvbn07eA=";
    };
  
    patches = [
  
negative.code:     clvm
      clvm-rs
      clvm-tools
      colorama
      colorlog
      concurrent-log-handler
      cryptography
      dnspython
      fasteners
      keyrings-cryptfile
      pyyaml
      setproctitle
      setuptools # needs pkg_resources at runtime
      sortedcontainers
      watchdog
      websockets
    ];
  
  