fix im state root in stream (#3192)

sequencer/datastreamer.go

@@ -36,6 +36,7 @@ func (f *finalizer) DSSendL2Block(batchNumber uint64, blockResponse *state.Proce
 				IsValid:                     1,
 				EncodedLength:               uint32(len(binaryTxData)),
 				Encoded:                     binaryTxData,
+				StateRoot:                   txResponse.StateRoot,
 			}
 
 			l2Transactions = append(l2Transactions, l2Transaction)

sequencer/sequencer.go

@@ -3,7 +3,6 @@ package sequencer
 import (
 	"context"
 	"fmt"
-	"math/big"
 	"time"
 
 	"github.com/0xPolygonHermez/zkevm-data-streamer/datastreamer"
@@ -302,14 +301,6 @@ func (s *Sequencer) sendDataToStreamer(chainID uint64) {
 				}
 
 				for _, l2Transaction := range l2Block.Txs {
-					// Populate intermediate state root
-					position := state.GetSystemSCPosition(blockStart.L2BlockNumber)
-					imStateRoot, err := s.stateIntf.GetStorageAt(context.Background(), common.HexToAddress(state.SystemSC), big.NewInt(0).SetBytes(position), l2Block.StateRoot)
-					if err != nil {
-						log.Errorf("failed to get storage at for l2block %d, error: %v", l2Block.L2BlockNumber, err)
-					}
-					l2Transaction.StateRoot = common.BigToHash(imStateRoot)
-
 					_, err = s.streamServer.AddStreamEntry(state.EntryTypeL2Tx, l2Transaction.Encode())
 					if err != nil {
 						log.Errorf("failed to add l2tx stream entry for l2block %d, error: %v", l2Block.L2BlockNumber, err)