From 6263d4023951ec1ae40b416e551446bcd273e1f9 Mon Sep 17 00:00:00 2001
From: Scott Sadler <scott@alphanode.co>
Date: Sun, 18 Feb 2018 20:38:29 -0300
Subject: [PATCH] guard cryptoconditions

---
 src/script/interpreter.cpp |  5 ++++-
 src/script/standard.cpp    | 13 ++++++++-----
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index 94727cbca..f203ccf85 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -940,7 +940,9 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, un
                 case OP_CHECKCRYPTOCONDITION:
                 case OP_CHECKCRYPTOCONDITIONVERIFY:
                 {
-                    // (fulfillment condition -- bool)
+                    if (!IsCryptoConditionsEnabled()) {
+                        goto INTERPRETER_DEFAULT;
+                    }
 
                     if (stack.size() < 2)
                         return set_error(serror, SCRIPT_ERR_INVALID_STACK_OPERATION);
@@ -982,6 +984,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, un
                 }
                 break;
 
+INTERPRETER_DEFAULT:
                 default:
                     return set_error(serror, SCRIPT_ERR_BAD_OPCODE);
             }
diff --git a/src/script/standard.cpp b/src/script/standard.cpp
index 4dadaff56..308f4e085 100644
--- a/src/script/standard.cpp
+++ b/src/script/standard.cpp
@@ -9,6 +9,7 @@
 #include "script/script.h"
 #include "util.h"
 #include "utilstrencodings.h"
+#include "komodo_cryptoconditions.h"
 
 #include <boost/foreach.hpp>
 
@@ -68,11 +69,13 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, vector<vector<unsi
         return true;
     }
 
-    // Shortcut for pay-to-crypto-condition
-    if (scriptPubKey.IsPayToCryptoCondition()) {
-        typeRet = TX_CRYPTOCONDITION;
-        // TODO: Extract solutions
-        return true;
+    if (IsCryptoConditionsEnabled() {
+        // Shortcut for pay-to-crypto-condition
+        if (scriptPubKey.IsPayToCryptoCondition()) {
+            typeRet = TX_CRYPTOCONDITION;
+            // TODO: Extract solutions
+            return true;
+        }
     }
 
     // Scan templates