{ lib
, buildPythonPackage
, fetchFromGitHub
, pythonOlder
, pytestCheckHook
}:

buildPythonPackage rec {
  pname = "merkletools";
  version = "1.0.3";
  format = "setuptools";

  disabled = pythonOlder "3.7";

  src = fetchFromGitHub {
    owner = "Tierion";
    repo = "pymerkletools";
    rev = "refs/tags/${version}";
    hash = "sha256-pd7Wxi7Sk95RcrFOTOtl725nIXidva3ftdKSGxHYPTA=";
  };

  postPatch = ''
    # pysha3 is deprecated and not needed for Python > 3.6
    substituteInPlace setup.py \
      --replace "install_requires=install_requires" "install_requires=[],"
  '';

  checkInputs = [
    pytestCheckHook
  ];

  pythonImportsCheck = [
    "merkletools"
  ];

  meta = with lib; {
    description = "Python tools for creating Merkle trees, generating Merkle proofs, and verification of Merkle proofs";
    homepage = "https://github.com/Tierion/pymerkletools";
    changelog = "https://github.com/Tierion/pymerkletools/releases/tag/${version}";
    license = licenses.mit;
    maintainers = with maintainers; [ Madouura ];
  };
}