Implement new replace_state and changed prev_state

`prev_state` is now a list of previous state ids, similiar to
prev_events. `replace_state` now points to what we think was replaced.

1 files changed, 3 insertions, 8 deletions

diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py

index c6f6ab14d1..8394013df3 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -81,7 +81,7 @@ class MessageHandler(BaseHandler):
         user = self.hs.parse_userid(event.user_id)
         assert user.is_mine, "User must be our own: %s" % (user,)
 
-        snapshot = yield self.store.snapshot_room(event.room_id, event.user_id)
+        snapshot = yield self.store.snapshot_room(event)
 
         yield self._on_new_room_event(
             event, snapshot, suppress_auth=suppress_auth
@@ -141,12 +141,7 @@ class MessageHandler(BaseHandler):
             SynapseError if something went wrong.
         """
 
-        snapshot = yield self.store.snapshot_room(
-            event.room_id,
-            event.user_id,
-            state_type=event.type,
-            state_key=event.state_key,
-        )
+        snapshot = yield self.store.snapshot_room(event)
 
         yield self._on_new_room_event(event, snapshot)
 
@@ -214,7 +209,7 @@ class MessageHandler(BaseHandler):
 
     @defer.inlineCallbacks
     def send_feedback(self, event):
-        snapshot = yield self.store.snapshot_room(event.room_id, event.user_id)
+        snapshot = yield self.store.snapshot_room(event)
 
         # store message in db
         yield self._on_new_room_event(event, snapshot)