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Deduplicate /state results

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This commit is contained in:
Neil Alexander 2021-06-29 13:33:53 +01:00
parent 7c03546a9e
commit 98ae0f43af
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1 changed files with 6 additions and 5 deletions
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11
federationapi/routing/send.go
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@ -1029,12 +1029,13 @@ func (t *txnReq) lookupMissingStateViaState(ctx context.Context, roomID, eventID
if err := state.Check(ctx, t.keys, nil); err != nil {
return nil, err
}
// Cache the results of this state lookup.
for _, ev := range state.AuthEvents {
t.cacheAndReturn(ev.Headered(roomVersion))
// Cache the results of this state lookup and deduplicate anything we already
// have in the cache, freeing up memory.
for i, ev := range state.AuthEvents {
state.AuthEvents[i] = t.cacheAndReturn(ev.Headered(roomVersion)).Unwrap()
}
for _, ev := range state.StateEvents {
t.cacheAndReturn(ev.Headered(roomVersion))
for i, ev := range state.StateEvents {
state.StateEvents[i] = t.cacheAndReturn(ev.Headered(roomVersion)).Unwrap()
}
return &state, nil
}