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Merge pull request #6652 from matrix-org/babolivier/depth_missing_events
Fix conditions failing if min_depth = 0
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changelog.d/6652.bugfix
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changelog.d/6652.bugfix
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Fix a bug causing Synapse not to fetch missing events when it believes it has every event in the room.
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@ -248,13 +248,13 @@ class FederationHandler(BaseHandler):
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prevs = set(pdu.prev_event_ids())
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seen = await self.store.have_seen_events(prevs)
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if min_depth and pdu.depth < min_depth:
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if min_depth is not None and pdu.depth < min_depth:
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# This is so that we don't notify the user about this
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# message, to work around the fact that some events will
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# reference really really old events we really don't want to
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# send to the clients.
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pdu.internal_metadata.outlier = True
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elif min_depth and pdu.depth > min_depth:
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elif min_depth is not None and pdu.depth > min_depth:
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missing_prevs = prevs - seen
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if sent_to_us_directly and missing_prevs:
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# If we're missing stuff, ensure we only fetch stuff one
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@ -470,7 +470,7 @@ class EventFederationStore(EventFederationWorkerStore):
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def _update_min_depth_for_room_txn(self, txn, room_id, depth):
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min_depth = self._get_min_depth_interaction(txn, room_id)
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if min_depth and depth >= min_depth:
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if min_depth is not None and depth >= min_depth:
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return
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self.db.simple_upsert_txn(
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