1 files changed, 14 insertions, 0 deletions
diff --git a/synapse/api/constants.py b/synapse/api/constants.py
index 022f772714..51ee078bc3 100644
--- a/synapse/api/constants.py
+++ b/synapse/api/constants.py
@@ -68,6 +68,7 @@ class EventTypes(object):
     Aliases = "m.room.aliases"
     Redaction = "m.room.redaction"
     ThirdPartyInvite = "m.room.third_party_invite"
+    Encryption = "m.room.encryption"
 
     RoomHistoryVisibility = "m.room.history_visibility"
     CanonicalAlias = "m.room.canonical_alias"
@@ -119,6 +120,19 @@ KNOWN_ROOM_VERSIONS = {
     RoomVersions.STATE_V2_TEST,
 }
 
+
+class EventFormatVersions(object):
+    """This is an internal enum for tracking the version of the event format,
+    independently from the room version.
+    """
+    V1 = 1
+
+
+KNOWN_EVENT_FORMAT_VERSIONS = {
+    EventFormatVersions.V1,
+}
+
+
 ServerNoticeMsgType = "m.server_notice"
 ServerNoticeLimitReached = "m.server_notice.usage_limit_reached"