def test_valid_checksum(self): """Test checksum creation and validation.""" for test in VALID_CHECKSUM: hrp, _ = segwit_addr.bech32_decode(test) self.assertIsNotNone(hrp) pos = test.rfind('1') test = test[:pos + 1] + chr(ord(test[pos + 1]) ^ 1) + test[pos + 2:] hrp, _ = segwit_addr.bech32_decode(test) self.assertIsNone(hrp)
def test_invalid_checksum(self): """Test validation of invalid checksums.""" for test in INVALID_CHECKSUM: hrp, _ = segwit_addr.bech32_decode(test) self.assertIsNone(hrp)