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cmd/blsync: avoid deadlock when stuck on finality update

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lightclient 2024-01-04 13:56:27 -07:00
parent 97f0d599ae
commit e151f4a93d
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GPG key ID: 75C916AFEE20183E
1 changed files with 10 additions and 5 deletions
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15
cmd/blsync/chain.go
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@ -87,7 +87,10 @@ func (c *LightClient) Finalized() *types.Header {
// underlying light client store.
func (c *LightClient) Start() {
log.Info("beacon light client starting")
ticker := time.NewTicker(SecondsPerSlot * time.Second)
var (
ticker = time.NewTicker(SecondsPerSlot * time.Second)
lastFinality = time.Now()
)
for ; ; <-ticker.C {
if c.store.next == nil {
log.Debug("fetching committee update", "period", c.store.finalizedPeriod())
@ -108,23 +111,25 @@ func (c *LightClient) Start() {
update *LightClientUpdate
err error
)
if c.store.optimistic.Slot%SlotsPerEpoch == 0 {
log.Debug("fetching finality update")
if time.Since(lastFinality) > time.Minute*5 {
log.Trace("fetching finality update")
lastFinality = time.Now()
update, err = c.beacon.GetFinalityUpdate()
} else {
log.Debug("fetching optimistic update")
log.Trace("fetching optimistic update")
update, err = c.beacon.GetOptimisticUpdate()
}
if err != nil {
log.Error("failed to retrieve update", "err", err)
continue
}
log.Trace("got update", "slot", update.AttestedHeader.Slot, "root", update.AttestedHeader.Hash(), "sigslot", update.SignatureSlot, "period", update.AttestedHeader.SyncPeriod(), "hasFinalized", update.FinalizedHeader != nil, "hasNext", update.NextSyncCommittee != nil)
if err := c.store.Insert(update); err != nil {
log.Error("failed to insert update", "err", err)
continue
}
head := update.AttestedHeader
log.Info("updated head", "slot", head.Slot, "root", head.Hash(), "finalized", c.Finalized().Hash(), "signers", update.SyncAggregate.SignerCount())
log.Info("beacon head updated", "slot", head.Slot, "root", head.Hash(), "finalized", c.Finalized().Hash(), "signers", update.SyncAggregate.SignerCount())
// Fetch full execution payload from beacon provider and send to head feed.
data, err := c.getExecutableData(head.Hash())