fix

go/enclave/components/batch_executor.go

@@ -624,6 +624,7 @@ func (executor *batchExecutor) executeTxs(ec *BatchExecutionContext, offset int,
 			panic("Should not happen. Tx receipts and tx results do not match")
 		}
 		txResult.Receipt = txReceipts[i]
+		txResult.Receipt.TransactionIndex += uint(offset)
 	}
 
 	sort.Sort(sortByTxIndex(txResults))

go/enclave/core/utils.go

@@ -60,7 +60,7 @@ func LogMethodDuration(logger gethlog.Logger, stopWatch *measure.Stopwatch, msg
 	f(fmt.Sprintf("LogMethodDuration::%s", msg), newArgs...)
 }
 
-// GetTxSigner returns the address that signed a transaction
+// GetExternalTxSigner returns the address that signed a transaction
 func GetExternalTxSigner(tx *types.Transaction) (gethcommon.Address, error) {
 	from, err := types.Sender(types.LatestSignerForChainID(tx.ChainId()), tx)
 	if err != nil {

go/enclave/system/hooks.go

@@ -200,6 +200,7 @@ func (s *systemContractCallbacks) CreateOnBatchEndTransaction(_ context.Context,
 		tx := txExecResult.TxWithSender.Tx
 		receipt := txExecResult.Receipt
 		synTx := TransactionPostProcessor.StructsTransaction{
+			From:       *txExecResult.TxWithSender.Sender,
 			Nonce:      big.NewInt(int64(txExecResult.TxWithSender.Tx.Nonce())),
 			GasPrice:   tx.GasPrice(),
 			GasLimit:   big.NewInt(int64(tx.Gas())),
@@ -214,15 +215,8 @@ func (s *systemContractCallbacks) CreateOnBatchEndTransaction(_ context.Context,
 			synTx.To = gethcommon.Address{} // Zero address - contract deployment
 		}
 
-		sender, err := core.GetExternalTxSigner(tx)
-		if err != nil {
-			s.logger.Error("CreateOnBatchEndTransaction: Failed to recover sender address", "error", err, "transactionHash", tx.Hash().Hex())
-			return nil, fmt.Errorf("failed to recover sender address: %w", err)
-		}
-		synTx.From = sender
-
 		synTxs = append(synTxs, synTx)
-		s.logger.Debug("CreateOnBatchEndTransaction: Encoded transaction", log.TxKey, tx.Hash(), "sender", sender.Hex())
+		s.logger.Debug("CreateOnBatchEndTransaction: Encoded transaction", log.TxKey, tx.Hash(), "sender", synTx.From)
 	}
 
 	data, err := transactionPostProcessorABI.Pack("onBlock", synTxs)