def __init__(
self,
dialogue_label: BaseDialogueLabel,
self_address: Address,
role: BaseDialogue.Role,
message_class: Type[SigningMessage] = SigningMessage,
) -> None:
"""
Initialize a dialogue.
:param dialogue_label: the identifier of the dialogue
:param self_address: the address of the entity for whom this dialogue is maintained
:param role: the role of the agent this dialogue is maintained for
:return: None
"""
BaseSigningDialogue.__init__(
self,
dialogue_label=dialogue_label,
self_address=self_address,
role=role,
message_class=message_class,
)
self._associated_contract_api_dialogue = (
None
) # type: Optional[ContractApiDialogue]
def _handle_message_signing(
self, signing_msg: SigningMessage, signing_dialogue: SigningDialogue
) -> None:
"""
Handle a message for signing.
:param signing_msg: the signing message
:param signing_dialogue: the signing dialogue
:return: None
"""
performative = self.signing_msg_class.Performative.ERROR
kwargs = {
"error_code": self.signing_msg_class.ErrorCode.UNSUCCESSFUL_MESSAGE_SIGNING,
} # type: Dict[str, Any]
if self._is_acceptable_for_signing(signing_msg):
signed_message = self.wallet.sign_message(
signing_msg.raw_message.ledger_id,
signing_msg.raw_message.body,
signing_msg.raw_message.is_deprecated_mode,
)
if signed_message is not None:
performative = self.signing_msg_class.Performative.SIGNED_MESSAGE
kwargs.pop("error_code")
kwargs["signed_message"] = SignedMessage(
signing_msg.raw_message.ledger_id,
signed_message,
signing_msg.raw_message.is_deprecated_mode,
)
signing_msg_response = signing_dialogue.reply(
performative=performative, target_message=signing_msg, **kwargs,
)
self.message_out_queue.put(signing_msg_response)
def _handle_transaction_signing(
self, signing_msg: SigningMessage, signing_dialogue: SigningDialogue
) -> None:
"""
Handle a transaction for signing.
:param signing_msg: the signing message
:param signing_dialogue: the signing dialogue
:return: None
"""
performative = self.signing_msg_class.Performative.ERROR
kwargs = {
"error_code": self.signing_msg_class.ErrorCode.UNSUCCESSFUL_TRANSACTION_SIGNING,
} # type: Dict[str, Any]
if self._is_acceptable_for_signing(signing_msg):
signed_tx = self.wallet.sign_transaction(
signing_msg.raw_transaction.ledger_id, signing_msg.raw_transaction.body
)
if signed_tx is not None:
performative = self.signing_msg_class.Performative.SIGNED_TRANSACTION
kwargs.pop("error_code")
kwargs["signed_transaction"] = SignedTransaction(
signing_msg.raw_transaction.ledger_id, signed_tx
)
signing_msg_response = signing_dialogue.reply(
performative=performative, target_message=signing_msg, **kwargs,
)
self.message_out_queue.put(signing_msg_response)
def __init__(
self,
dialogue_label: DialogueLabel,
self_address: Address,
role: BaseDialogue.Role,
message_class: Type[SigningMessage],
) -> None:
"""
Initialize a dialogue.
:param dialogue_label: the identifier of the dialogue
:param self_address: the address of the entity for whom this dialogue is maintained
:param role: the role of the agent this dialogue is maintained for
:return: None
"""
BaseSigningDialogue.__init__(
self,
dialogue_label=dialogue_label,
self_address=self_address,
role=role,
message_class=message_class,
)
