Fix: root_xprivate_key & xprivate_key funcs of CardanoHD

Author: meherett

hdwallet/hds/cardano.py

@@ -398,6 +398,38 @@ def new_public_key_point(public_key: IPublicKey, zl: bytes, ecc: IEllipticCurveC
  )
  return self
 
+ def root_xprivate_key(
+ self, version: Union[bytes, int] = Cardano.NETWORKS.MAINNET.XPRIVATE_KEY_VERSIONS.P2PKH, encoded: bool = True
+ ) -> Optional[str]:
+ """
+ Generates the root extended private key (xprv) in serialized format.
+
+ :param version: The version bytes for the extended key. Defaults to Bitcoin mainnet P2PKH version.
+ :type version: Union[bytes, int]
+ :param encoded: Whether to return the key in encoded format. Defaults to True.
+ :type encoded: bool
+
+ :return: The root extended private key (xprv) in serialized format, or None if the chain code is not set.
+ :rtype: Optional[str]
+ """
+ return super(CardanoHD, self).root_xprivate_key(version=version, encoded=encoded)
+
+ def xprivate_key(
+ self, version: Union[bytes, int] = Cardano.NETWORKS.MAINNET.XPRIVATE_KEY_VERSIONS.P2PKH, encoded: bool = True
+ ) -> Optional[str]:
+ """
+ Retrieves the extended private key (xprivate key) as a serialized string.
+
+ :param version: The version bytes or integer version of the xprivate key.
+ :type version: Union[bytes, int]
+ :param encoded: Flag indicating whether the key should be encoded.
+ :type encoded: bool
+
+ :return: The serialized xprivate key as a string, or None if the private key or chain code is not set.
+ :rtype: Optional[str]
+ """
+ return super(CardanoHD, self).xprivate_key(version=version, encoded=encoded)
+
  def path_key(self) -> Optional[str]:
  """
  Derives a path key based on the current CardanoHD instance.