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authorRichard van der Hoff <richard@matrix.org>2018-10-16 20:37:16 +0100
committerRichard van der Hoff <richard@matrix.org>2018-10-16 21:10:04 +0100
commitfc0f13dd036cec4e41f5969d021d9dd10d6e5016 (patch)
tree27c5a9a0c125ef8f8c00420f21ed1d4dade3b31c /synapse/federation/federation_server.py
parentVarious cleanups in the federation client code (#4031) (diff)
downloadsynapse-fc0f13dd036cec4e41f5969d021d9dd10d6e5016.tar.xz
Fix incorrect truncation in get_missing_events
It's quite important that get_missing_events returns the *latest* events in the
room; however we were pulling event ids out of the database until we got *at
least* 10, and then taking the *earliest* of the results.

We also shouldn't really be relying on depth, and should be checking the
room_id.
Diffstat (limited to 'synapse/federation/federation_server.py')
-rw-r--r--synapse/federation/federation_server.py8
1 files changed, 4 insertions, 4 deletions
diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py
index 819e8f7331..4efe95faa4 100644
--- a/synapse/federation/federation_server.py
+++ b/synapse/federation/federation_server.py
@@ -507,19 +507,19 @@ class FederationServer(FederationBase):
     @defer.inlineCallbacks
     @log_function
     def on_get_missing_events(self, origin, room_id, earliest_events,
-                              latest_events, limit, min_depth):
+                              latest_events, limit):
         with (yield self._server_linearizer.queue((origin, room_id))):
             origin_host, _ = parse_server_name(origin)
             yield self.check_server_matches_acl(origin_host, room_id)
 
             logger.info(
                 "on_get_missing_events: earliest_events: %r, latest_events: %r,"
-                " limit: %d, min_depth: %d",
-                earliest_events, latest_events, limit, min_depth
+                " limit: %d",
+                earliest_events, latest_events, limit,
             )
 
             missing_events = yield self.handler.on_get_missing_events(
-                origin, room_id, earliest_events, latest_events, limit, min_depth
+                origin, room_id, earliest_events, latest_events, limit,
             )
 
             if len(missing_events) < 5: