@pytest.fixture
def current_block_hash():
    return '000001c9ba1df5a1c58a4e458fb6febfe9329b1947802cd60a4ae90dd754b534'
@pytest.fixture
def current_block_hash():
    return '000001c9ba1df5a1c58a4e458fb6febfe9329b1947802cd60a4ae90dd754b534'