OpenCloud
/
MatrixSynapse
mirror of https://github.com/matrix-org/synapse
1
0
Fork 0
Code Issues Releases Wiki Activity

Fixup comments 

Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
pull/8827/head
Erik Johnston 2020-12-01 10:24:15 +00:00 committed by GitHub
parent 4fbec4d460
commit 7c13d15db2
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
synapse/state/v2.py
View File

@ -257,10 +257,11 @@ async def _get_auth_chain_difference(
# previously. This is not the case for any events in the `event_map`, and so
# we need to manually handle those events.
#
# We do this by calculating the auth chain difference based on events in
# `event_map` and adding that to the result from calling
# `get_auth_chain_difference` with state sets where we've replaced
# references to events in `event_map` with their auth events (recursively).
# We do this by:
# 1. calculating the auth chain difference for the state sets based on the events in `event_map` alone
# 2. replacing any events in the state_sets that are also in `event_map` with their auth events
# (recursively), and then calling `store.get_auth_chain_difference` as normal
# 3. adding the results of 1 and 2 together.
# Map from event ID in `event_map` to their auth event IDs, and their auth
# event IDs if they appear in the `event_map`. This is the intersection of
@ -300,7 +301,7 @@ async def _get_auth_chain_difference(
event_chain = events_to_auth_chain.get(event_id)
if event_chain is not None:
# We have an event in `event_map`. We add all the auth
# events that it reference's (that aren't also in `event_map`).
# events that it references (that aren't also in `event_map`).
set_ids.update(e for e in event_chain if e not in event_map)
# We also add the full chain of unpersisted event IDs
@ -311,7 +312,7 @@ async def _get_auth_chain_difference(
set_ids.add(event_id)
# The auth chain difference of the unpersisted events of the state sets
# is calcualted by taking the difference between the union and
# is calculated by taking the difference between the union and
# intersections.
union = unpersisted_set_ids[0].union(*unpersisted_set_ids[1:])
intersection = unpersisted_set_ids[0].intersection(*unpersisted_set_ids[1:])