synapse/storage/transactions.py
def prep_send_transaction(self, transaction_id, destination,
                              origin_server_ts):
        """Persists an outgoing transaction and calculates the values for the
        previous transaction id list.

        This should be called before sending the transaction so that it has the
        correct value for the `prev_ids` key.

        Args:
            transaction_id (str)
            destination (str)
            origin_server_ts (int)

        Returns:
            list: A list of previous transaction ids.
        """
        return defer.succeed([])
Persists an outgoing transaction and calculates the values for the
        previous transaction id list.

        This should be called before sending the transaction so that it has the
        correct value for the `prev_ids` key.

        Args:
            transaction_id (str)
            destination (str)
            origin_server_ts (int)

        Returns:
            list: A list of previous transaction ids.
        
Persists an outgoing transaction and calculates the values for the
previous transaction id list.

This should be called before sending the transaction so that it has the
correct value for the `prev_ids` key.



A list of previous transaction ids.
Persists an outgoing transaction and calculates the values for the previous transaction id list . This should be called before sending the transaction so that it has the correct value for the ` prev_ids ` key . A list of previous transaction ids .
def prep_send_transaction(self, transaction_id, destination,
                              origin_server_ts):
        return defer.succeed([])
def prep_send_transaction ( self , transaction_id , destination , origin_server_ts ) : return defer . succeed ( [ ] )
Persists an outgoing transaction and calculates the values for the
previous transaction id list.
Persists an outgoing transaction and calculates the values for the previous transaction id list .
"""Persists an outgoing transaction and calculates the values for the
        previous transaction id list.

        This should be called before sending the transaction so that it has the
        correct value for the `prev_ids` key.

        Args:
            transaction_id (str)
            destination (str)
            origin_server_ts (int)

        Returns:
            list: A list of previous transaction ids.
        """
self
transaction_id
destination
origin_server_ts