fix

sync/sync.go

@@ -323,11 +323,13 @@ func (s *Synchronizer) verifierTask(ctx context.Context, block *core.Block, stat
 					// The previous head has been reverted, hence, get the current head and store empty pending block
 					head, err := s.blockchain.HeadsHeader()
 					if err != nil {
-						s.log.Warnw("Failed to retrieve the head header", "err", err)
+						s.log.Errorw("Failed to retrieve the head header", "err", err)
 					}
 
-					if err := s.storeEmptyPending(head); err != nil {
-						s.log.Warnw("Failed to store empty pending block", "number", block.Number)
+					if head != nil {
+						if err := s.storeEmptyPending(head); err != nil {
+							s.log.Errorw("Failed to store empty pending block", "number", block.Number)
+						}
 					}
 				} else {
 					s.log.Warnw("Failed storing Block", "number", block.Number,
@@ -338,7 +340,7 @@ func (s *Synchronizer) verifierTask(ctx context.Context, block *core.Block, stat
 			}
 
 			if err := s.storeEmptyPending(block.Header); err != nil {
-				s.log.Warnw("Failed to store empty pending block", "number", block.Number)
+				s.log.Errorw("Failed to store empty pending block", "number", block.Number)
 			}
 
 			s.listener.OnSyncStepDone(OpStore, block.Number, time.Since(storeTimer))
@@ -673,15 +675,20 @@ func (s *Synchronizer) PendingState() (core.StateReader, func() error, error) {
 func (s *Synchronizer) storeEmptyPending(latestHeader *core.Header) error {
 	receipts := make([]*core.TransactionReceipt, 0)
 	pendingBlock := &core.Block{
-		Header:       latestHeader,
+		Header: &core.Header{
+			ParentHash:       latestHeader.Hash,
+			SequencerAddress: latestHeader.SequencerAddress,
+			Number:           latestHeader.Number + 1,
+			Timestamp:        uint64(time.Now().Unix()),
+			ProtocolVersion:  latestHeader.ProtocolVersion,
+			EventsBloom:      core.EventsBloom(receipts),
+			GasPrice:         latestHeader.GasPrice,
+			GasPriceSTRK:     latestHeader.GasPriceSTRK,
+		},
 		Transactions: make([]core.Transaction, 0),
 		Receipts:     receipts,
 	}
 
-	pendingBlock.Number = latestHeader.Number + 1
-	pendingBlock.Timestamp = uint64(time.Now().Unix())
-	pendingBlock.EventsBloom = core.EventsBloom(receipts)
-
 	stateDiff, err := makeStateDiffForEmptyBlock(s.blockchain, latestHeader.Number+1)
 	if err != nil {
 		return err