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WIP Fail in processSequenceBatches if we don't have the parent batch #82

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WIP Fail in processSequenceBatches if we don't have the parent batch #82

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17 changes: 17 additions & 0 deletions synchronizer/synchronizer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -611,6 +611,23 @@ func (s *ClientSynchronizer) processSequenceBatches(sequencedBatches []etherman.
return nil
}

if lastBatch, err := s.state.GetLastBatchNumber(s.ctx, dbTx); err != nil {
log.Errorf("Error fetching previous batch number: %w", err)
rollbackErr := dbTx.Rollback(s.ctx)
if rollbackErr != nil {
log.Fatalf("error rolling back state. rollbackErr: %s, error : %w", rollbackErr.Error(), err)
}
return err
} else if sequencedBatches[0].BatchNumber != lastBatch + 1 {
err = fmt.Errorf("New batch %d is not successor of last synced batch %d, there may have been a reorg", sequencedBatches[0].BatchNumber, lastBatch)
log.Warnf("Possible reorg detected: %w", err)
rollbackErr := dbTx.Rollback(s.ctx)
if rollbackErr != nil {
log.Fatalf("error rolling back state. rollbackErr: %s, error : %w", rollbackErr.Error(), err)
}
return err
}

for _, sbatch := range sequencedBatches {
// Ensure the L1 origin for this batch is in the database. Since the L1 origin assigned by
// HotShot is not necessarily the same as an L1 block which we added to the database as a
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