Function assert_is_hash_string

test/functional/test_framework/util.py:133–141

(string, length=64)

            "Couldn't interpret %r as hexadecimal; raised: %s" % (string, e))

def assert_is_hash_string(string, length=64):
    if not isinstance(string, str):
        raise AssertionError("Expected a string, got type %r" % type(string))
    elif length and len(string) != length:
        raise AssertionError(
            "String of length %d expected; got %d" % (length, len(string)))
    elif not re.match('[abcdef0-9]+$', string):
        raise AssertionError(
            "String %r contains invalid characters for a hash." % string)

def assert_array_result(object_array, to_match, expected, should_not_find=False):
    """