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-rw-r--r--synapse/config/server.py1
-rw-r--r--synapse/crypto/keyring.py11
-rw-r--r--synapse/events/builder.py7
-rw-r--r--synapse/events/utils.py5
-rw-r--r--synapse/handlers/events.py3
-rw-r--r--synapse/handlers/message.py3
-rw-r--r--synapse/http/servlet.py2
-rw-r--r--synapse/rest/client/v2_alpha/sync.py3
8 files changed, 24 insertions, 11 deletions
diff --git a/synapse/config/server.py b/synapse/config/server.py
index e9120d4d75..e763e19e15 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -414,6 +414,7 @@ class ServerConfig(Config):
         #
         # For example, for room version 1, default_room_version should be set
         # to "1".
+        #
         #default_room_version: "%(default_room_version)s"
 
         # The GC threshold parameters to pass to `gc.set_threshold`, if defined
diff --git a/synapse/crypto/keyring.py b/synapse/crypto/keyring.py
index eaf41b983c..d6ad7f1772 100644
--- a/synapse/crypto/keyring.py
+++ b/synapse/crypto/keyring.py
@@ -180,9 +180,7 @@ class Keyring(object):
 
             # We want to wait for any previous lookups to complete before
             # proceeding.
-            yield self.wait_for_previous_lookups(
-                [rq.server_name for rq in verify_requests], server_to_deferred
-            )
+            yield self.wait_for_previous_lookups(server_to_deferred)
 
             # Actually start fetching keys.
             self._get_server_verify_keys(verify_requests)
@@ -215,12 +213,11 @@ class Keyring(object):
             logger.exception("Error starting key lookups")
 
     @defer.inlineCallbacks
-    def wait_for_previous_lookups(self, server_names, server_to_deferred):
+    def wait_for_previous_lookups(self, server_to_deferred):
         """Waits for any previous key lookups for the given servers to finish.
 
         Args:
-            server_names (list): list of server_names we want to lookup
-            server_to_deferred (dict): server_name to deferred which gets
+            server_to_deferred (dict[str, Deferred]): server_name to deferred which gets
                 resolved once we've finished looking up keys for that server.
                 The Deferreds should be regular twisted ones which call their
                 callbacks with no logcontext.
@@ -233,7 +230,7 @@ class Keyring(object):
         while True:
             wait_on = [
                 (server_name, self.key_downloads[server_name])
-                for server_name in server_names
+                for server_name in server_to_deferred.keys()
                 if server_name in self.key_downloads
             ]
             if not wait_on:
diff --git a/synapse/events/builder.py b/synapse/events/builder.py
index 1fe995f212..546b6f4982 100644
--- a/synapse/events/builder.py
+++ b/synapse/events/builder.py
@@ -76,6 +76,7 @@ class EventBuilder(object):
     # someone tries to get them when they don't exist.
     _state_key = attr.ib(default=None)
     _redacts = attr.ib(default=None)
+    _origin_server_ts = attr.ib(default=None)
 
     internal_metadata = attr.ib(default=attr.Factory(lambda: _EventInternalMetadata({})))
 
@@ -142,6 +143,9 @@ class EventBuilder(object):
         if self._redacts is not None:
             event_dict["redacts"] = self._redacts
 
+        if self._origin_server_ts is not None:
+            event_dict["origin_server_ts"] = self._origin_server_ts
+
         defer.returnValue(
             create_local_event_from_event_dict(
                 clock=self._clock,
@@ -209,6 +213,7 @@ class EventBuilderFactory(object):
             content=key_values.get("content", {}),
             unsigned=key_values.get("unsigned", {}),
             redacts=key_values.get("redacts", None),
+            origin_server_ts=key_values.get("origin_server_ts", None),
         )
 
 
@@ -245,7 +250,7 @@ def create_local_event_from_event_dict(clock, hostname, signing_key,
         event_dict["event_id"] = _create_event_id(clock, hostname)
 
     event_dict["origin"] = hostname
-    event_dict["origin_server_ts"] = time_now
+    event_dict.setdefault("origin_server_ts", time_now)
 
     event_dict.setdefault("unsigned", {})
     age = event_dict["unsigned"].pop("age", 0)
diff --git a/synapse/events/utils.py b/synapse/events/utils.py
index 27a2a9ef98..e2d4384de1 100644
--- a/synapse/events/utils.py
+++ b/synapse/events/utils.py
@@ -330,12 +330,13 @@ class EventClientSerializer(object):
         )
 
     @defer.inlineCallbacks
-    def serialize_event(self, event, time_now, **kwargs):
+    def serialize_event(self, event, time_now, bundle_aggregations=True, **kwargs):
         """Serializes a single event.
 
         Args:
             event (EventBase)
             time_now (int): The current time in milliseconds
+            bundle_aggregations (bool): Whether to bundle in related events
             **kwargs: Arguments to pass to `serialize_event`
 
         Returns:
@@ -350,7 +351,7 @@ class EventClientSerializer(object):
 
         # If MSC1849 is enabled then we need to look if thre are any relations
         # we need to bundle in with the event
-        if self.experimental_msc1849_support_enabled:
+        if self.experimental_msc1849_support_enabled and bundle_aggregations:
             annotations = yield self.store.get_aggregation_groups_for_event(
                 event_id,
             )
diff --git a/synapse/handlers/events.py b/synapse/handlers/events.py
index 6003ad9cca..eb525070cf 100644
--- a/synapse/handlers/events.py
+++ b/synapse/handlers/events.py
@@ -122,6 +122,9 @@ class EventStreamHandler(BaseHandler):
 
             chunks = yield self._event_serializer.serialize_events(
                 events, time_now, as_client_event=as_client_event,
+                # We don't bundle "live" events, as otherwise clients
+                # will end up double counting annotations.
+                bundle_aggregations=False,
             )
 
             chunk = {
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 792edc7579..0b02469ceb 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -166,6 +166,9 @@ class MessageHandler(object):
         now = self.clock.time_msec()
         events = yield self._event_serializer.serialize_events(
             room_state.values(), now,
+            # We don't bother bundling aggregations in when asked for state
+            # events, as clients won't use them.
+            bundle_aggregations=False,
         )
         defer.returnValue(events)
 
diff --git a/synapse/http/servlet.py b/synapse/http/servlet.py
index 528125e737..197c652850 100644
--- a/synapse/http/servlet.py
+++ b/synapse/http/servlet.py
@@ -55,7 +55,7 @@ def parse_integer_from_args(args, name, default=None, required=False):
             return int(args[name][0])
         except Exception:
             message = "Query parameter %r must be an integer" % (name,)
-            raise SynapseError(400, message)
+            raise SynapseError(400, message, errcode=Codes.INVALID_PARAM)
     else:
         if required:
             message = "Missing integer query parameter %r" % (name,)
diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py
index c701e534e7..d3025025e3 100644
--- a/synapse/rest/client/v2_alpha/sync.py
+++ b/synapse/rest/client/v2_alpha/sync.py
@@ -358,6 +358,9 @@ class SyncRestServlet(RestServlet):
         def serialize(events):
             return self._event_serializer.serialize_events(
                 events, time_now=time_now,
+                # We don't bundle "live" events, as otherwise clients
+                # will end up double counting annotations.
+                bundle_aggregations=False,
                 token_id=token_id,
                 event_format=event_formatter,
                 only_event_fields=only_fields,