From a8122bb52f92789c1de3784023421197ae9fb017 Mon Sep 17 00:00:00 2001
From: Lutty <lutty@lutty.me>
Date: Sun, 20 Feb 2022 15:16:09 +0800
Subject: [PATCH] fix bug

---
 rosetta/services/tx_operation.go | 50 ++++++++++++++++++++------------
 1 file changed, 31 insertions(+), 19 deletions(-)

diff --git a/rosetta/services/tx_operation.go b/rosetta/services/tx_operation.go
index 2989ab7ce..dd1a466da 100644
--- a/rosetta/services/tx_operation.go
+++ b/rosetta/services/tx_operation.go
@@ -763,28 +763,20 @@ func newSameShardTransferNativeOperations(
 	} else {
 		opIndex = 0
 	}
-	subOperationID := &types.OperationIdentifier{
-		Index: opIndex,
-	}
-	subAmount := &types.Amount{
-		Value:    negativeBigValue(amount),
-		Currency: &common.NativeCurrency,
-	}
 
-	// Addition operation elements
-	addOperationID := &types.OperationIdentifier{
-		Index: subOperationID.Index + 1,
-	}
-	addRelatedID := []*types.OperationIdentifier{
-		subOperationID,
-	}
-	addAmount := &types.Amount{
-		Value:    amount.String(),
-		Currency: &common.NativeCurrency,
-	}
+	var subOperationID *types.OperationIdentifier
+	var op []*types.Operation
 
-	op := []*types.Operation{}
 	if from != nil {
+		subOperationID = &types.OperationIdentifier{
+			Index: opIndex,
+		}
+
+		subAmount := &types.Amount{
+			Value:    negativeBigValue(amount),
+			Currency: &common.NativeCurrency,
+		}
+
 		op = append(op, &types.Operation{
 			OperationIdentifier: subOperationID,
 			Type:                common.NativeTransferOperation,
@@ -794,6 +786,26 @@ func newSameShardTransferNativeOperations(
 		})
 	}
 	if to != nil {
+		var addOperationID *types.OperationIdentifier
+		var addRelatedID []*types.OperationIdentifier
+		if subOperationID == nil {
+			addOperationID = &types.OperationIdentifier{
+				Index: opIndex,
+			}
+		} else {
+			addOperationID = &types.OperationIdentifier{
+				Index: subOperationID.Index + 1,
+			}
+			addRelatedID = []*types.OperationIdentifier{
+				subOperationID,
+			}
+		}
+
+		addAmount := &types.Amount{
+			Value:    amount.String(),
+			Currency: &common.NativeCurrency,
+		}
+
 		op = append(op, &types.Operation{
 			OperationIdentifier: addOperationID,
 			RelatedOperations:   addRelatedID,