title: In XRP, When source account = destination account and sourceTag != destinationTag at that time error is temREDUNDANT(Sends same currency to self.)
body: <p>I am trying to send some xrp with same accouts but different source and destination tag.</p>
  
  <pre><code>@SuppressWarnings("unchecked")
  @Override
  public Map&lt;String, Object&gt; makeTransaction() {
  
      Map&lt;String, Object&gt; mainMap = new HashMap&lt;&gt;();
  
  
      mainMap.put("secret", "my_secret_key");
      mainMap.put("Fee", "1000"); // in drops
  
      Map&lt;String, Object&gt; subMap = new HashMap&lt;&gt;();
      subMap.put("Account", "my_ripple_account"); // source account(my_ripple_account) == destination account(my_ripple_account)
      subMap.put("Amount", "1000000"); // in drops
  
      subMap.put("Destination", "my_ripple_account"); // // source account(my_ripple_account) == destination account(my_ripple_account)
  
      subMap.put("TransactionType", "Payment"); // since we are making a payment request
  
      subMap.put("SourceTag", 400123);
      subMap.put("DestinationTag", 400555);
  
      mainMap.put("tx_json", subMap);
  
      JSONObject j = new JSONObject(mainMap);
  
      JSONObject json = new JSONObject();
      json.put("method", "submit");
      json.put("params", new JSONArray("[" + j.toString() + "]"));
      String requestData = json.toString();
  
      Map&lt;String, Object&gt; responseMap = restTemplate.postForObject("http://my_ip:5005",
              requestData, HashMap.class);
  
      LOGGER.debug("makeTransaction() : Response is {}.", responseMap);
  
      return responseMap;
  }
  </code></pre>
  
  <p>Example Explanation:
  Here source account(my_ripple_account) = destination account (my_ripple_account) and sourceTag = 400123 and destinationTag=400555.
  So transaction withing same account here.</p>
  
  <p>Example Output:</p>
  
  <pre><code>{
    "result": {
      "deprecated": "Signing support in the 'submit' command has been deprecated and will be removed in a future version of the server. Please migrate to a standalone signing tool.",
      "engine_result": "temREDUNDANT",
      "engine_result_code": -276,
      "engine_result_message": "Sends same currency to self.",
      "status": "success",
      "tx_blob": "12000022800000002300061AFB24000000022E000F13066140000000000F424068400000000000000A732102898F54F50F2FCEC11B164D7AA7528B4D7261077913F20579EE99F064C1D1500874473045022100AB07788C4C19D642C60BC552986022E31885E93CD92D6DBEA2B6A1FC9B3AA3B002207837AEA67150CE5CC84FB22C4E90F5D1954BB5446460D2852E7F08E1A1EDF52F811436DB2A0AD63A50E5188C806E2EA5595F2D777D91831436DB2A0AD63A50E5188C806E2EA5595F2D777D91",
      "tx_json": {
        "Account": "rarhswhyFr8TGFPCsY9tTiK5KHUZn4hQaA",
        "Amount": "1000000",
        "Destination": "rarhswhyFr8TGFPCsY9tTiK5KHUZn4hQaA",
        "DestinationTag": 987910,
        "Fee": "10",
        "Flags": 2147483648,
        "Sequence": 2,
        "SigningPubKey": "02898F54F50F2FCEC11B164D7AA7528B4D7261077913F20579EE99F064C1D15008",
        "SourceTag": 400123,
        "TransactionType": "Payment",
        "TxnSignature": "3045022100AB07788C4C19D642C60BC552986022E31885E93CD92D6DBEA2B6A1FC9B3AA3B002207837AEA67150CE5CC84FB22C4E90F5D1954BB5446460D2852E7F08E1A1EDF52F",
        "hash": "559DB6081DF88E699EDC5ECFFDA7CFC669D40975AFA4E5C376123D7EB7AC2A10"
      }
    }
  }
  </code></pre>
  
  <p>Output Explaination: 
  Output indicates status=success but engine_result=temREDUNDANT and there is no change in tag balance even if status=success..</p>