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Implement MSC3706: partial state in /send_join response (#11967)

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* Make `get_auth_chain_ids` return a Set

It has a set internally, and a set is often useful where it gets used, so let's
avoid converting to an intermediate list.

* Minor refactors in `on_send_join_request`

A little bit of non-functional groundwork

* Implement MSC3706: partial state in /send_join response
This commit is contained in:
Richard van der Hoff 2022-02-12 10:44:16 +00:00 • committed by GitHub
parent b2b971f28a
commit 63c46349c4
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7 changed files with 262 additions and 21 deletions
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12
synapse/storage/databases/main/event_federation.py
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@ -121,7 +121,7 @@ class EventFederationWorkerStore(SignatureWorkerStore, EventsWorkerStore, SQLBas
room_id: str,
event_ids: Collection[str],
include_given: bool = False,
) -> List[str]:
) -> Set[str]:
"""Get auth events for given event_ids. The events *must* be state events.
Args:
@ -130,7 +130,7 @@ class EventFederationWorkerStore(SignatureWorkerStore, EventsWorkerStore, SQLBas
include_given: include the given events in result
Returns:
list of event_ids
set of event_ids
"""
# Check if we have indexed the room so we can use the chain cover
@ -159,7 +159,7 @@ class EventFederationWorkerStore(SignatureWorkerStore, EventsWorkerStore, SQLBas
def _get_auth_chain_ids_using_cover_index_txn(
self, txn: Cursor, room_id: str, event_ids: Collection[str], include_given: bool
) -> List[str]:
) -> Set[str]:
"""Calculates the auth chain IDs using the chain index."""
# First we look up the chain ID/sequence numbers for the given events.
@ -272,11 +272,11 @@ class EventFederationWorkerStore(SignatureWorkerStore, EventsWorkerStore, SQLBas
txn.execute(sql, (chain_id, max_no))
results.update(r for r, in txn)
return list(results)
return results
def _get_auth_chain_ids_txn(
self, txn: LoggingTransaction, event_ids: Collection[str], include_given: bool
) -> List[str]:
) -> Set[str]:
"""Calculates the auth chain IDs.
This is used when we don't have a cover index for the room.
@ -331,7 +331,7 @@ class EventFederationWorkerStore(SignatureWorkerStore, EventsWorkerStore, SQLBas
front = new_front
results.update(front)
return list(results)
return results
async def get_auth_chain_difference(
self, room_id: str, state_sets: List[Set[str]]