Optimise state resolution

2 files changed, 10 insertions, 4 deletions

diff --git a/synapse/events/__init__.py b/synapse/events/__init__.py

index da9f3ad436..e673e96cc0 100644
--- a/synapse/events/__init__.py
+++ b/synapse/events/__init__.py
@@ -79,7 +79,6 @@ class EventBase(object):
     auth_events = _event_dict_property("auth_events")
     depth = _event_dict_property("depth")
     content = _event_dict_property("content")
-    event_id = _event_dict_property("event_id")
     hashes = _event_dict_property("hashes")
     origin = _event_dict_property("origin")
     origin_server_ts = _event_dict_property("origin_server_ts")
@@ -88,8 +87,6 @@ class EventBase(object):
     redacts = _event_dict_property("redacts")
     room_id = _event_dict_property("room_id")
     sender = _event_dict_property("sender")
-    state_key = _event_dict_property("state_key")
-    type = _event_dict_property("type")
     user_id = _event_dict_property("sender")
 
     @property
@@ -162,6 +159,11 @@ class FrozenEvent(EventBase):
         else:
             frozen_dict = event_dict
 
+        self.event_id = event_dict["event_id"]
+        self.type = event_dict["type"]
+        if "state_key" in event_dict:
+            self.state_key = event_dict["state_key"]
+
         super(FrozenEvent, self).__init__(
             frozen_dict,
             signatures=signatures,
diff --git a/synapse/events/builder.py b/synapse/events/builder.py

index 7369d70980..365fd96bd2 100644
--- a/synapse/events/builder.py
+++ b/synapse/events/builder.py
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from . import EventBase, FrozenEvent
+from . import EventBase, FrozenEvent, _event_dict_property
 
 from synapse.types import EventID
 
@@ -34,6 +34,10 @@ class EventBuilder(EventBase):
             internal_metadata_dict=internal_metadata_dict,
         )
 
+    event_id = _event_dict_property("event_id")
+    state_key = _event_dict_property("state_key")
+    type = _event_dict_property("type")
+
     def build(self):
         return FrozenEvent.from_event(self)