def get_balance( self, api: LedgerApi, message: LedgerApiMessage, dialogue: LedgerApiDialogue, ) -> LedgerApiMessage: """ Send the request 'get_balance'. :param api: the API object. :param message: the Ledger API message :return: None """ balance = api.get_balance(message.address) if balance is None: response = self.get_error_message( ValueError("No balance returned"), api, message, dialogue ) else: response = cast( LedgerApiMessage, dialogue.reply( performative=LedgerApiMessage.Performative.BALANCE, target_message=message, balance=balance, ledger_id=message.ledger_id, ), ) return response
def get_balance( self, api: LedgerApi, message: LedgerApiMessage, dialogue: LedgerApiDialogue, ) -> LedgerApiMessage: """ Send the request 'get_balance'. :param api: the API object. :param message: the Ledger API message :return: None """ balance = api.get_balance(message.address) if balance is None: response = self.get_error_message( ValueError("No balance returned"), api, message, dialogue ) else: response = LedgerApiMessage( performative=LedgerApiMessage.Performative.BALANCE, message_id=message.message_id + 1, target=message.message_id, dialogue_reference=dialogue.dialogue_label.dialogue_reference, balance=balance, ledger_id=message.ledger_id, ) response.counterparty = message.counterparty dialogue.update(response) return response