add support for transaction_entry

CMakeLists.txt

@@ -93,6 +93,7 @@ target_sources(clio PRIVATE
   src/rpc/handlers/LedgerRange.cpp
   # Transaction
   src/rpc/handlers/Tx.cpp
+  src/rpc/handlers/TransactionEntry.cpp
   src/rpc/handlers/AccountTx.cpp
   # Dex
   src/rpc/handlers/BookOffers.cpp

src/rpc/Handlers.h

@@ -62,6 +62,9 @@ doLedgerRange(Context const& context);
 Result
 doTx(Context const& context);
 
+Result
+doTransactionEntry(Context const& context);
+
 Result
 doAccountTx(Context const& context);
 

src/rpc/RPC.cpp

@@ -119,7 +119,7 @@ static std::unordered_map<std::string, std::function<Result(Context const&)>>
         {"server_info", &doServerInfo},
         {"unsubscribe", &doUnsubscribe},
         {"tx", &doTx},
-    };
+        {"transaction_entry", &doTransactionEntry}};
 
 static std::unordered_set<std::string> forwardCommands{
     "submit",