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chore(sequencers): optimize store check #2945

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Merged
julienrbrt merged 1 commit into from
Dec 22, 2025
+14 −5
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chore(sequencers): optimize store check #2945

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19 changes: 14 additions & 5 deletions sequencers/single/sequencer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ type Sequencer struct {
// Forced inclusion support
fiRetriever block.ForcedInclusionRetriever
daHeight atomic.Uint64
daStartHeight atomic.Uint64
checkpointStore *seqcommon.CheckpointStore
checkpoint *seqcommon.Checkpoint

Expand Down Expand Up @@ -70,6 +71,7 @@ func NewSequencer(
genesis: genesis,
}
s.SetDAHeight(genesis.DAStartHeight) // default value, will be overridden by executor or submitter
s.daStartHeight.Store(genesis.DAStartHeight)

loadCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
Expand Down Expand Up @@ -104,21 +106,28 @@ func NewSequencer(
Msg("resuming from checkpoint within DA epoch")
}

s.fiRetriever = block.NewForcedInclusionRetriever(daClient, logger, getInitialDAStartHeight(context.Background(), s.db), genesis.DAEpochForcedInclusion)
s.fiRetriever = block.NewForcedInclusionRetriever(daClient, logger, s.getInitialDAStartHeight(context.Background()), genesis.DAEpochForcedInclusion)
}

return s, nil
}

// getInitialDAStartHeight retrieves the DA height of the first included chain height from store.
func getInitialDAStartHeight(ctx context.Context, db ds.Batching) uint64 {
s := store.New(store.NewEvNodeKVStore(db))
func (c *Sequencer) getInitialDAStartHeight(ctx context.Context) uint64 {
if daStartHeight := c.daStartHeight.Load(); daStartHeight != 0 {
return daStartHeight
}

s := store.New(store.NewEvNodeKVStore(c.db))
daIncludedHeightBytes, err := s.GetMetadata(ctx, store.GenesisDAHeightKey)
if err != nil || len(daIncludedHeightBytes) != 8 {
return 0
}

return binary.LittleEndian.Uint64(daIncludedHeightBytes)
daStartHeight := binary.LittleEndian.Uint64(daIncludedHeightBytes)
c.daStartHeight.Store(daStartHeight)

return daStartHeight
}

// SubmitBatchTxs implements sequencing.Sequencer.
Expand Down Expand Up @@ -166,7 +175,7 @@ func (c *Sequencer) GetNextBatch(ctx context.Context, req coresequencer.GetNextB
TxIndex: 0,
}

c.fiRetriever = block.NewForcedInclusionRetriever(c.daClient, c.logger, getInitialDAStartHeight(ctx, c.db), c.genesis.DAEpochForcedInclusion)
c.fiRetriever = block.NewForcedInclusionRetriever(c.daClient, c.logger, c.getInitialDAStartHeight(ctx), c.genesis.DAEpochForcedInclusion)
}

// If we have no cached transactions or we've consumed all from the current cache,
Expand Down
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