Refactor logic for converting mempool entries to JSON

src/rpc/blockchain.cpp

@@ -183,16 +183,27 @@ UniValue getdifficulty(const UniValue& params, bool fHelp)
     return GetDifficulty();
 }
 
-UniValue mempoolToJSON(bool fVerbose = false)
-{
-    if (fVerbose)
+std::string EntryDescriptionString()
 {
-        LOCK(mempool.cs);
-        UniValue o(UniValue::VOBJ);
-        BOOST_FOREACH(const CTxMemPoolEntry& e, mempool.mapTx)
+    return "    \"size\" : n,             (numeric) transaction size in bytes\n"
+           "    \"fee\" : n,              (numeric) transaction fee in " + CURRENCY_UNIT + "\n"
+           "    \"modifiedfee\" : n,      (numeric) transaction fee with fee deltas used for mining priority\n"
+           "    \"time\" : n,             (numeric) local time transaction entered pool in seconds since 1 Jan 1970 GMT\n"
+           "    \"height\" : n,           (numeric) block height when transaction entered pool\n"
+           "    \"startingpriority\" : n, (numeric) priority when transaction entered pool\n"
+           "    \"currentpriority\" : n,  (numeric) transaction priority now\n"
+           "    \"descendantcount\" : n,  (numeric) number of in-mempool descendant transactions (including this one)\n"
+           "    \"descendantsize\" : n,   (numeric) size of in-mempool descendants (including this one)\n"
+           "    \"descendantfees\" : n,   (numeric) modified fees (see above) of in-mempool descendants (including this one)\n"
+           "    \"depends\" : [           (array) unconfirmed transactions used as inputs for this transaction\n"
+           "        \"transactionid\",    (string) parent transaction id\n"
+           "       ... ]\n";
+}
+
+void entryToJSON(UniValue &info, const CTxMemPoolEntry &e)
 {
-            const uint256& hash = e.GetTx().GetHash();
-            UniValue info(UniValue::VOBJ);
+    AssertLockHeld(mempool.cs);
+
     info.push_back(Pair("size", (int)e.GetTxSize()));
     info.push_back(Pair("fee", ValueFromAmount(e.GetFee())));
     info.push_back(Pair("modifiedfee", ValueFromAmount(e.GetModifiedFee())));
@@ -218,6 +229,19 @@ UniValue mempoolToJSON(bool fVerbose = false)
     }
 
     info.push_back(Pair("depends", depends));
+}
+
+UniValue mempoolToJSON(bool fVerbose = false)
+{
+    if (fVerbose)
+    {
+        LOCK(mempool.cs);
+        UniValue o(UniValue::VOBJ);
+        BOOST_FOREACH(const CTxMemPoolEntry& e, mempool.mapTx)
+        {
+            const uint256& hash = e.GetTx().GetHash();
+            UniValue info(UniValue::VOBJ);
+            entryToJSON(info, e);
             o.push_back(Pair(hash.ToString(), info));
         }
         return o;
@@ -251,20 +275,8 @@ UniValue getrawmempool(const UniValue& params, bool fHelp)
             "\nResult: (for verbose = true):\n"
             "{                           (json object)\n"
             "  \"transactionid\" : {       (json object)\n"
-            "    \"size\" : n,             (numeric) transaction size in bytes\n"
-            "    \"fee\" : n,              (numeric) transaction fee in " + CURRENCY_UNIT + "\n"
-            "    \"modifiedfee\" : n,      (numeric) transaction fee with fee deltas used for mining priority\n"
-            "    \"time\" : n,             (numeric) local time transaction entered pool in seconds since 1 Jan 1970 GMT\n"
-            "    \"height\" : n,           (numeric) block height when transaction entered pool\n"
-            "    \"startingpriority\" : n, (numeric) priority when transaction entered pool\n"
-            "    \"currentpriority\" : n,  (numeric) transaction priority now\n"
-            "    \"descendantcount\" : n,  (numeric) number of in-mempool descendant transactions (including this one)\n"
-            "    \"descendantsize\" : n,   (numeric) size of in-mempool descendants (including this one)\n"
-            "    \"descendantfees\" : n,   (numeric) modified fees (see above) of in-mempool descendants (including this one)\n"
-            "    \"depends\" : [           (array) unconfirmed transactions used as inputs for this transaction\n"
-            "        \"transactionid\",    (string) parent transaction id\n"
-            "       ... ]\n"
-            "  }, ...\n"
+            + EntryDescriptionString()
+            + "  }, ...\n"
             "}\n"
             "\nExamples\n"
             + HelpExampleCli("getrawmempool", "true")