Bug in Python Logicsig Functionality

1

I am running into a problem with the LogicSig class in the transaction.py file in the SDK.

Error:

  File "/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/algosdk/transaction.py", line 2653, in sign
    self.sig = LogicSig.sign_program(self.logic, private_key)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/algosdk/transaction.py", line 2614, in sign_program
    private_key = base64.b64decode(private_key)
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/base64.py", line 83, in b64decode
    s = _bytes_from_decode_data(s)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/base64.py", line 45, in _bytes_from_decode_data
    raise TypeError("argument should be a bytes-like object or ASCII "
TypeError: argument should be a bytes-like object or ASCII string, not 'LogicSig'

Code failing in transaction.py file.

    @staticmethod
    def sign_program(program, private_key):
        private_key = base64.b64decode(private_key)
        signing_key = SigningKey(private_key[: constants.key_len_bytes])
        to_sign = constants.logic_prefix + program
        signed = signing_key.sign(to_sign)
        return base64.b64encode(signed.signature).decode()

    def sign(self, private_key, multisig=None):
        """
        Creates signature (if no pk provided) or multi signature

        Args:
            private_key (str): private key of signing account
            multisig (Multisig): optional multisig account without signatures
                to sign with

        Raises:
            InvalidSecretKeyError: if no matching private key in multisig\
                object
            LogicSigOverspecifiedSignature: if the opposite signature type has
                already been provided
        """
        if not multisig:
            if self.msig:
                raise error.LogicSigOverspecifiedSignature
            self.sig = LogicSig.sign_program(self.logic, private_key)
        else:
            if self.sig:
                raise error.LogicSigOverspecifiedSignature
            sig, index = LogicSig.single_sig_multisig(
                self.logic, private_key, multisig
            )
            multisig.subsigs[index].signature = base64.b64decode(sig)
            self.msig = multisig
2

Solved this with:

lsig = LogicSig(teal_program)

and using the LogicSigTransaction function.