GetMinFee takes a mode parameter (GMF_{BLOCK,RELAY,SEND}) instead of fForRelay

src/main.h

@@ -387,6 +387,13 @@ public:
 
 
 
+enum GetMinFee_mode
+{
+    GMF_BLOCK,
+    GMF_RELAY,
+    GMF_SEND,
+};
+
 //
 // The basic transaction that is broadcasted on the network and contained in
 // blocks.  A transaction can contain multiple inputs and outputs.
@@ -523,10 +530,10 @@ public:
         return dPriority > COIN * 144 / 250;
     }
 
-    int64 GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=true, bool fForRelay=false) const
+    int64 GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=true, enum GetMinFee_mode mode=GMF_BLOCK) const
     {
         // Base fee is either MIN_TX_FEE or MIN_RELAY_TX_FEE
-        int64 nBaseFee = fForRelay ? MIN_RELAY_TX_FEE : MIN_TX_FEE;
+        int64 nBaseFee = (mode == GMF_RELAY) ? MIN_RELAY_TX_FEE : MIN_TX_FEE;
 
         unsigned int nBytes = ::GetSerializeSize(*this, SER_NETWORK);
         unsigned int nNewBlockSize = nBlockSize + nBytes;