2 files changed, 4 insertions, 0 deletions
diff --git a/src/script/standard.cpp b/src/script/standard.cpp
index bfef8afa17..4863b96391 100644
--- a/src/script/standard.cpp
+++ b/src/script/standard.cpp
@@ -16,6 +16,7 @@ using namespace std;
 
 typedef vector<unsigned char> valtype;
 
+bool fAcceptDatacarrier = DEFAULT_ACCEPT_DATACARRIER;
 unsigned nMaxDatacarrierBytes = MAX_OP_RETURN_RELAY;
 
 CScriptID::CScriptID(const CScript& in) : uint160(Hash160(in.begin(), in.end())) {}
diff --git a/src/script/standard.h b/src/script/standard.h
index ae1bbecca0..2b9fbe78dd 100644
--- a/src/script/standard.h
+++ b/src/script/standard.h
@@ -13,6 +13,8 @@
 
 #include <stdint.h>
 
+static const bool DEFAULT_ACCEPT_DATACARRIER = true;
+
 class CKeyID;
 class CScript;
 
@@ -26,6 +28,7 @@ public:
 };
 
 static const unsigned int MAX_OP_RETURN_RELAY = 83; //! bytes (+1 for OP_RETURN, +2 for the pushdata opcodes)
+extern bool fAcceptDatacarrier;
 extern unsigned nMaxDatacarrierBytes;
 
 /**