anchor.diff:  
     doCheck = false;
   
  -  cargoSha256 = "sha256-J/0KO33vZmOvm6V7qCXInuAJTbRqyy5/qj6p6dEmoas=";
  +  cargoSha256 = "sha256-yHsYjKJJNjepvcNszj4XQ0DbOY3AEJMZOnz0cAiwO1A=";
   
     meta = with lib; {
       description = "A server application to run tox node written in pure Rust";
  
positive.code: { lib, rustPlatform, fetchFromGitHub
  , libsodium, openssl
  , pkg-config
  }:
  
  with rustPlatform;
  
negative.code:     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 ];
  
  