feat: check index before slicing allTxs

packages/taiko-client/driver/chain_syncer/blob/blocks_inserter/pacaya.go

@@ -188,6 +188,12 @@ func (i *BlocksInserterPacaya) InsertBlocks(
 			return fmt.Errorf("failed to create TaikoAnchor.anchorV3 transaction: %w", err)
 		}
 
+		// Get transactions in the block.
+		txs := types.Transactions{}
+		if txListCursor+int(blockInfo.NumTransactions) > len(allTxs) {
+			txs = allTxs[txListCursor : txListCursor+int(blockInfo.NumTransactions)]
+		}
+
 		// Decompress the transactions list and try to insert a new head block to L2 EE.
 		if lastPayloadData, err = createPayloadAndSetHead(
 			ctx,
@@ -207,7 +213,7 @@ func (i *BlocksInserterPacaya) InsertBlocks(
 						L1BlockHeight: meta.GetRawBlockHeight(),
 						L1BlockHash:   meta.GetRawBlockHash(),
 					},
-					Txs:         allTxs[txListCursor : txListCursor+int(blockInfo.NumTransactions)],
+					Txs:         txs,
 					Withdrawals: make([]*types.Withdrawal, 0),
 					BaseFee:     baseFee,
 				},