diff --git a/synapse/rest/client/v2_alpha/sendtodevice.py b/synapse/rest/client/v2_alpha/sendtodevice.py
index 5975164b37..ac660669f3 100644
--- a/synapse/rest/client/v2_alpha/sendtodevice.py
+++ b/synapse/rest/client/v2_alpha/sendtodevice.py
@@ -19,7 +19,7 @@ from twisted.internet import defer
from synapse.http import servlet
from synapse.http.servlet import parse_json_object_from_request
-from synapse.rest.client.v1.transactions import HttpTransactionStore
+from synapse.rest.client.transactions import HttpTransactionCache
from ._base import client_v2_patterns
@@ -40,18 +40,16 @@ class SendToDeviceRestServlet(servlet.RestServlet):
super(SendToDeviceRestServlet, self).__init__()
self.hs = hs
self.auth = hs.get_auth()
- self.txns = HttpTransactionStore()
+ self.txns = HttpTransactionCache(hs.get_clock())
self.device_message_handler = hs.get_device_message_handler()
- @defer.inlineCallbacks
def on_PUT(self, request, message_type, txn_id):
- try:
- defer.returnValue(
- self.txns.get_client_transaction(request, txn_id)
- )
- except KeyError:
- pass
+ return self.txns.fetch_or_execute_request(
+ request, self._put, request, message_type, txn_id
+ )
+ @defer.inlineCallbacks
+ def _put(self, request, message_type, txn_id):
requester = yield self.auth.get_user_by_req(request)
content = parse_json_object_from_request(request)
@@ -63,7 +61,6 @@ class SendToDeviceRestServlet(servlet.RestServlet):
)
response = (200, {})
- self.txns.store_client_transaction(request, txn_id, response)
defer.returnValue(response)
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