From b4d8e288484c72e58882d4eaafeccbef4863dab7 Mon Sep 17 00:00:00 2001
From: Thomas Kammerlocher <thomas.kammerlocher@cardanofoundation.org>
Date: Mon, 4 Nov 2024 12:13:40 +0100
Subject: [PATCH] fix: fixed a bug where a string within a transaction couldn't
 be parsed (#249)

---
 .../construction/service/CardanoConstructionServiceImpl.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/api/src/main/java/org/cardanofoundation/rosetta/api/construction/service/CardanoConstructionServiceImpl.java b/api/src/main/java/org/cardanofoundation/rosetta/api/construction/service/CardanoConstructionServiceImpl.java
index 651f394b..f1a18dd0 100644
--- a/api/src/main/java/org/cardanofoundation/rosetta/api/construction/service/CardanoConstructionServiceImpl.java
+++ b/api/src/main/java/org/cardanofoundation/rosetta/api/construction/service/CardanoConstructionServiceImpl.java
@@ -503,7 +503,8 @@ public String extractTransactionIfNeeded(String txWithExtraData) {
     byte[] bytes = HexUtil.decodeHexString(txWithExtraData);
     Array deserialize = (Array) CborSerializationUtil.deserialize(bytes);
     // Unpack transaction if needed
-    if (deserialize.getDataItems().size() == 1) {
+    if (deserialize.getDataItems().size() == 1 && deserialize.getDataItems().getFirst().getMajorType()
+        .equals(MajorType.ARRAY)) {
       deserialize = (Array) deserialize.getDataItems().getFirst();
     }
     if (deserialize.getDataItems().isEmpty()) {