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fix(rln): keep track of last loaded index

This commit is contained in:
Richard Ramos 2022-10-21 15:32:51 -04:00 committed by RichΛrd
parent 665968deea
commit 9b5922bc74
2 changed files with 13 additions and 5 deletions
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1
waku/v2/protocol/rln/waku_rln_relay.go
View File

@ -53,6 +53,7 @@ type WakuRLNRelay struct {
// pubsubTopic is the topic for which rln relay is mounted
pubsubTopic string
contentTopic string
lastIndexLoaded r.MembershipIndex
validMerkleRoots []r.MerkleNode

13
waku/v2/protocol/rln/web3.go
View File

@ -107,7 +107,7 @@ func (rln *WakuRLNRelay) Register(ctx context.Context) (*r.MembershipIndex, erro
// the types of inputs to this handler matches the MemberRegistered event/proc defined in the MembershipContract interface
type RegistrationEventHandler = func(pubkey r.IDCommitment, index r.MembershipIndex) error
func processLogs(evt *contracts.RLNMemberRegistered, handler RegistrationEventHandler) error {
func (rln *WakuRLNRelay) processLogs(evt *contracts.RLNMemberRegistered, handler RegistrationEventHandler) error {
if evt == nil {
return nil
}
@ -115,7 +115,11 @@ func processLogs(evt *contracts.RLNMemberRegistered, handler RegistrationEventHa
var pubkey r.IDCommitment = r.Bytes32(evt.Pubkey.Bytes())
index := r.MembershipIndex(uint(evt.Index.Int64()))
if index <= rln.lastIndexLoaded {
return nil
}
rln.lastIndexLoaded = index
return handler(pubkey, index)
}
@ -171,7 +175,7 @@ func (rln *WakuRLNRelay) loadOldEvents(rlnContract *contracts.RLN, handler Regis
return logIterator.Error()
}
err = processLogs(logIterator.Event, handler)
err = rln.processLogs(logIterator.Event, handler)
if err != nil {
return err
}
@ -192,6 +196,9 @@ func (rln *WakuRLNRelay) watchNewEvents(rlnContract *contracts.RLN, handler Regi
errCh <- err
subs.Unsubscribe()
}
rln.log.Error("subscribing to rln events", zap.Error(err))
return subs, err
})
defer subs.Unsubscribe()
@ -201,7 +208,7 @@ func (rln *WakuRLNRelay) watchNewEvents(rlnContract *contracts.RLN, handler Regi
for {
select {
case evt := <-logSink:
err := processLogs(evt, handler)
err := rln.processLogs(evt, handler)
if err != nil {
rln.log.Error("processing rln log", zap.Error(err))
}