def test_derive_child_hardened_no_privkey(self):
pk = bytes.fromhex(
'02800f0237e39dce74f506c508985d4d71f8020342d7dfe781ca5cfb73e63eb43e'
) # noqa: E501
node = HDKey.from_pubkey(pk)
with self.assertRaises(ValueError) as context:
node.derive_child('1h')
self.assertIn('Need private key', str(context.exception))
def test_sign_errors(self):
pk = bytes.fromhex(
'02800f0237e39dce74f506c508985d4d71f8020342d7dfe781ca5cfb73e63eb43e'
) # noqa: E501
node = HDKey.from_pubkey(pk)
with self.assertRaises(ValueError) as context:
node.sign(b'\x00')
self.assertIn('without privkey', str(context.exception))
with self.assertRaises(ValueError) as context:
node.sign_hash(b'\x00' * 32)
self.assertIn('without privkey', str(context.exception))
def test_from_pubkey(self):
pk = bytes.fromhex(
'02800f0237e39dce74f506c508985d4d71f8020342d7dfe781ca5cfb73e63eb43e'
) # noqa: E501
node = HDKey.from_pubkey(pk)
self.assertEqual(node.pubkey, pk)