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
"""
signing_msg_response = SigningMessage(
performative=SigningMessage.Performative.ERROR,
dialogue_reference=signing_dialogue.dialogue_label.
dialogue_reference,
target=signing_msg.message_id,
message_id=signing_msg.message_id + 1,
skill_callback_ids=signing_msg.skill_callback_ids,
skill_callback_info=signing_msg.skill_callback_info,
error_code=SigningMessage.ErrorCode.UNSUCCESSFUL_MESSAGE_SIGNING,
)
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:
signing_msg_response = SigningMessage(
performative=SigningMessage.Performative.SIGNED_MESSAGE,
dialogue_reference=signing_dialogue.dialogue_label.
dialogue_reference,
target=signing_msg.message_id,
message_id=signing_msg.message_id + 1,
skill_callback_ids=signing_msg.skill_callback_ids,
skill_callback_info=signing_msg.skill_callback_info,
signed_message=SignedMessage(
signing_msg.raw_message.ledger_id,
signed_message,
signing_msg.raw_message.is_deprecated_mode,
),
)
signing_msg_response.counterparty = signing_msg.counterparty
signing_dialogue.update(signing_msg_response)
self.message_out_queue.put(signing_msg_response)
def __init__(
self,
dialogue_label: BaseDialogueLabel,
agent_address: Address,
role: BaseDialogue.Role,
) -> None:
"""
Initialize a dialogue.
:param dialogue_label: the identifier of the dialogue
:param agent_address: the address of the agent 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,
agent_address=agent_address,
role=role)
self._associated_ledger_api_dialogue = None # type: Optional[LedgerApiDialogue]
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
"""
signing_msg_response = SigningMessage(
performative=SigningMessage.Performative.ERROR,
dialogue_reference=signing_dialogue.dialogue_label.
dialogue_reference,
target=signing_msg.message_id,
message_id=signing_msg.message_id + 1,
skill_callback_ids=signing_msg.skill_callback_ids,
skill_callback_info=signing_msg.skill_callback_info,
error_code=SigningMessage.ErrorCode.
UNSUCCESSFUL_TRANSACTION_SIGNING,
)
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:
signing_msg_response = SigningMessage(
performative=SigningMessage.Performative.
SIGNED_TRANSACTION,
dialogue_reference=signing_dialogue.dialogue_label.
dialogue_reference,
target=signing_msg.message_id,
message_id=signing_msg.message_id + 1,
skill_callback_ids=signing_msg.skill_callback_ids,
skill_callback_info=signing_msg.skill_callback_info,
signed_transaction=SignedTransaction(
signing_msg.raw_transaction.ledger_id, signed_tx),
)
signing_msg_response.counterparty = signing_msg.counterparty
signing_dialogue.update(signing_msg_response)
self.message_out_queue.put(signing_msg_response)
def create_dialogue(
self, dialogue_label: BaseDialogueLabel, role: BaseDialogue.Role,
) -> SigningDialogue:
"""
Create an instance of fipa dialogue.
:param dialogue_label: the identifier of the dialogue
:param role: the role of the agent this dialogue is maintained for
:return: the created dialogue
"""
dialogue = SigningDialogue(
dialogue_label=dialogue_label, agent_address=self.agent_address, role=role
)
return dialogue