def test_derive_child_hardened_no_chaincode(self):
sk = b'\x32' * 32
node = HDKey.from_privkey(sk)
with self.assertRaises(ValueError) as context:
node.derive_child('1h')
self.assertIn('without chain_code', str(context.exception))
def test_derive_path_unknown(self):
node = HDKey.from_privkey(b'\x32' * 32)
with self.assertRaises(ValueError) as context:
node.derive_path('6')
self.assertIn('path is unknown', str(context.exception))
