[*]web3api:GetLedgerHash(): Fixed error parsing from node response

chain/wallet/handlers/DapLedgerTxHashCommand.cpp

@@ -26,9 +26,35 @@ QVariant DapLedgerTxHashCommand::respondToClient(const QVariant &args)
     QJsonObject resultObj;
     QJsonDocument resultDoc;
 
+    auto getErrorMessageFromData = [](const QJsonObject& resultToCheck){
+        const QString errsCode = "errors";
+        const QString msgsCode = "message";
+        if (resultToCheck.contains(errsCode) && resultToCheck[errsCode].isArray())
+        {
+            auto arr = resultToCheck[errsCode].toArray();
+            if (!arr.isEmpty() && arr[0].isObject())
+            {
+                auto msgsObj = arr[0].toObject();
+                if (msgsObj.contains(msgsCode) && msgsObj[msgsCode].isString())
+                {
+                    return msgsObj[msgsCode].toString();
+                }
+            }
+        }
+        return QString();
+    };
+
     if(errorMsg.isEmpty())
     {
-        resultObj.insert(RESULT_KEY, result);
+        QString dataErrMsg = getErrorMessageFromData(result);
+        if (!dataErrMsg.isEmpty())
+        {
+            resultObj.insert(ERROR_KEY, dataErrMsg);
+        }
+        else
+        {
+            resultObj.insert(RESULT_KEY, result);
+        }
     }
     else
     {