anchor.diff:      sha256 = "sha256-tB6v2NEBdTNHf89USdQOr/pV0mbxxb8ftOYPPJMvz5Y=";
     };
   
  +  cargoPatches = [
  +    # update cargo lock
  +    (fetchpatch {
  +      url = "https://github.com/tox-rs/tox-node/commit/63712d49d84e55df7bba9710e129780bbc636de3.patch";
  +      sha256 = "sha256-jI6b5IHsAuGuM+7sPCdFnOOuV6K9rBmc5QqU5x72Fl0=";
  +    })
  +  ];
  +
     buildInputs = [ libsodium openssl ];
     nativeBuildInputs = [ pkg-config ];
   
  
positive.code: 
    doCheck = false;
  
    cargoSha256 = "sha256-J/0KO33vZmOvm6V7qCXInuAJTbRqyy5/qj6p6dEmoas=";
  
    meta = with lib; {
      description = "A server application to run tox node written in pure Rust";
  
negative.code: { lib, rustPlatform, fetchFromGitHub
  , libsodium, openssl
  , pkg-config
  , fetchpatch
  }:
  
  with rustPlatform;
  