fix: Add mpt_issuance_id to meta of MPTIssuanceCreate (#2701)

fixes #2332

src/feed/impl/TransactionFeed.cpp

@@ -209,8 +209,9 @@ TransactionFeed::pub(
         rpc::insertDeliveredAmount(pubObj[JS(meta)].as_object(), tx, meta, txMeta.date);
 
         auto& txnPubobj = pubObj[txKey].as_object();
+        auto& metaPubobj = pubObj[JS(meta)].as_object();
         rpc::insertDeliverMaxAlias(txnPubobj, version);
-        rpc::insertMPTIssuanceID(txnPubobj, meta);
+        rpc::insertMPTIssuanceID(txnPubobj, tx, metaPubobj, meta);
 
         Json::Value nftJson;
         ripple::RPC::insertNFTSyntheticInJson(nftJson, tx, *meta);

src/rpc/RPCHelpers.cpp

@@ -258,7 +258,7 @@ toExpandedJson(
     auto metaJson = toJson(*meta);
     insertDeliveredAmount(metaJson, txn, meta, blobs.date);
     insertDeliverMaxAlias(txnJson, apiVersion);
-    insertMPTIssuanceID(txnJson, meta);
+    insertMPTIssuanceID(txnJson, txn, metaJson, meta);
 
     if (nftEnabled == NFTokenjson::ENABLE) {
         Json::Value nftJson;
@@ -343,36 +343,41 @@ getMPTIssuanceID(std::shared_ptr<ripple::TxMeta const> const& meta)
 /**
  * @brief Check if transaction has a new MPToken created
  *
- * @param txnJson The transaction Json
+ * @param txn The transaction object
- * @param meta The metadata
+ * @param meta The metadata object
  * @return true if the transaction can have a mpt_issuance_id
  */
 static bool
-canHaveMPTIssuanceID(boost::json::object const& txnJson, std::shared_ptr<ripple::TxMeta const> const& meta)
+canHaveMPTIssuanceID(std::shared_ptr<ripple::STTx const> const& txn, std::shared_ptr<ripple::TxMeta const> const& meta)
 {
-    if (txnJson.at(JS(TransactionType)).is_string() and
+    if (txn->getTxnType() != ripple::ttMPTOKEN_ISSUANCE_CREATE)
-        not boost::iequals(txnJson.at(JS(TransactionType)).as_string(), JS(MPTokenIssuanceCreate)))
         return false;
 
-    if (meta->getResultTER() != ripple::tesSUCCESS)
+    return (meta->getResultTER() == ripple::tesSUCCESS);
-        return false;
-
-    return true;
 }
 
 bool
-insertMPTIssuanceID(boost::json::object& txnJson, std::shared_ptr<ripple::TxMeta const> const& meta)
+insertMPTIssuanceID(
+    boost::json::object& txnJson,
+    std::shared_ptr<ripple::STTx const> const& txn,
+    boost::json::object& metaJson,
+    std::shared_ptr<ripple::TxMeta const> const& meta
+)
 {
-    if (!canHaveMPTIssuanceID(txnJson, meta))
+    if (!canHaveMPTIssuanceID(txn, meta))
-        return false;
-
-    if (txnJson.contains(JS(TransactionType)) && txnJson.at(JS(TransactionType)).is_string() and
-        txnJson.at(JS(TransactionType)).as_string() == JS(MPTokenIssuanceCreate))
         return false;
 
     auto const id = getMPTIssuanceID(meta);
     ASSERT(id.has_value(), "MPTIssuanceID must have value");
+
+    // For mpttokenissuance create, add mpt_issuance_id to metajson
+    // Otherwise, add it to txn json
+    if (txnJson.contains(JS(TransactionType)) && txnJson.at(JS(TransactionType)).is_string() and
+        txnJson.at(JS(TransactionType)).as_string() == JS(MPTokenIssuanceCreate)) {
+        metaJson[JS(mpt_issuance_id)] = ripple::to_string(*id);
+    } else {
         txnJson[JS(mpt_issuance_id)] = ripple::to_string(*id);
+    }
 
     return true;
 }

src/rpc/RPCHelpers.hpp

@@ -201,15 +201,23 @@ insertDeliveredAmount(
 
 /**
  * @brief Add "mpt_issuance_id" into various MPTToken transaction json.
- * @note We exclude "mpt_issuance_id" for MPTokenIssuanceCreate only. The reason is because the mpt_issuance_id
+ * @note We add "mpt_issuance_id" into the meta part of MPTokenIssuanceCreate only. The reason is because the
- * is generated only after one submits MPTokenIssuanceCreate, so there’s no way to know what the id is. (rippled)
+ * mpt_issuance_id is generated only after one submits MPTokenIssuanceCreate, so there’s no way to know what the id is.
+ * (rippled)
  *
  * @param txnJson The transaction Json object
+ * @param txn The txn object
+ * @param metaJson The metadata Json object
  * @param meta The metadata object
- * @return true if the "mpt_issuance_id" is added to the txnJson JSON object
+ * @return true if the "mpt_issuance_id" is added to either txnJson or metaJson object
  */
 bool
-insertMPTIssuanceID(boost::json::object& txnJson, std::shared_ptr<ripple::TxMeta const> const& meta);
+insertMPTIssuanceID(
+    boost::json::object& txnJson,
+    std::shared_ptr<ripple::STTx const> const& txn,
+    boost::json::object& metaJson,
+    std::shared_ptr<ripple::TxMeta const> const& meta
+);
 
 /**
  * @brief Convert STBase object to JSON

tests/unit/feed/TransactionFeedTests.cpp

@@ -1282,7 +1282,8 @@ TEST_F(FeedTransactionTest, PublishesMPTokenIssuanceCreateTx)
                     }
                 ],
                 "TransactionIndex": 0,
-                "TransactionResult": "tesSUCCESS"
+                "TransactionResult": "tesSUCCESS",
+                "mpt_issuance_id": "000000014B4E9C06F24296074F7BC48F92A97916C6DC5EA9"
             },
             "ctid": "C000002100000000",
             "type": "transaction",

tests/unit/rpc/handlers/AccountTxTests.cpp

@@ -1625,7 +1625,8 @@ TEST_F(RPCAccountTxHandlerTest, MPTTxs_API_v2)
                             }}
                         ],
                         "TransactionIndex": 0,
-                        "TransactionResult": "tesSUCCESS"
+                        "TransactionResult": "tesSUCCESS",
+                        "mpt_issuance_id": "000000014B4E9C06F24296074F7BC48F92A97916C6DC5EA9"
                     }},
                     "hash": "A52221F4003C281D3C83F501F418B55A1F9DC1C6A129EF13E1A8F0E5C008DAE3",
                     "ledger_index": 11,