Conditionally enable tickets at run time

src/ripple/app/tests/Env.cpp

@@ -160,7 +160,8 @@ Env::submit (JTx const& tx)
     bool didApply;
     if (stx)
     {
-        TransactionEngine txe (ledger, multisign);
+        TransactionEngine txe (ledger,
+            tx_enable_test);
         std::tie(ter, didApply) = txe.applyTransaction(
             *stx, tapOPEN_LEDGER |
                 (true ? tapNONE : tapNO_CHECK_SIGN));

src/ripple/app/tx/TransactionEngine.h

@@ -30,8 +30,8 @@ namespace ripple {
 // A TransactionEngine applies serialized transactions to a ledger
 // It can also, verify signatures, verify fees, and give rejection reasons
 
-struct multisign_t { multisign_t() { } };
-static multisign_t const multisign;
+struct tx_enable_test_t { tx_enable_test_t() { } };
+static tx_enable_test_t const tx_enable_test;
 
 // One instance per ledger.
 // Only one transaction applied at a time.
@@ -45,8 +45,17 @@ private:
         false;
 #endif
 
+    bool enableTickets_ =
+#if RIPPLE_ENABLE_TICKETS
+        true;
+#else
+        false;
+#endif
+
     boost::optional<LedgerEntrySet> mNodes;
 
+    void txnWrite();
+
 protected:
     Ledger::pointer mLedger;
     int mTxnSeq = 0;
@@ -61,8 +70,10 @@ public:
         assert (mLedger);
     }
 
-    TransactionEngine (Ledger::ref ledger, multisign_t)
+    TransactionEngine (Ledger::ref ledger,
+            tx_enable_test_t)
         : enableMultiSign_(true)
+        , enableTickets_(true)
         , mLedger (ledger)
     {
         assert (mLedger);
@@ -74,6 +85,12 @@ public:
         return enableMultiSign_;
     }
 
+    bool
+    enableTickets() const
+    {
+        return enableTickets_;
+    }
+
     LedgerEntrySet&
     view ()
     {

src/ripple/app/tx/impl/CancelTicket.cpp

@@ -93,11 +93,9 @@ transact_CancelTicket (
     TransactionEngineParams params,
     TransactionEngine* engine)
 {
-#if RIPPLE_ENABLE_TICKETS
-    return CancelTicket (txn, params, engine).apply ();
-#else
-    return temDISABLED;
-#endif
+    if (! engine->enableTickets())
+        return temDISABLED;
+    return CancelTicket (txn, params, engine).apply();
 }
 
 

src/ripple/app/tx/impl/CreateTicket.cpp

@@ -145,11 +145,9 @@ transact_CreateTicket (
     TransactionEngineParams params,
     TransactionEngine* engine)
 {
-#if RIPPLE_ENABLE_TICKETS
+    if (! engine->enableTickets())
+        return temDISABLED;
     return CreateTicket (txn, params, engine).apply ();
-#else
-    return temDISABLED;
-#endif
 }
 
 }