1 files changed, 5 insertions, 0 deletions
diff --git a/src/wallet.h b/src/wallet.h
index 1c2512d678..19a1b18523 100644
--- a/src/wallet.h
+++ b/src/wallet.h
@@ -25,12 +25,15 @@
 
 // Settings
 extern CFeeRate payTxFee;
+extern unsigned int nTxConfirmTarget;
 extern bool bSpendZeroConfChange;
 
 // -paytxfee default
 static const int64_t DEFAULT_TRANSACTION_FEE = 0;
 // -paytxfee will warn if called with a higher fee than this amount (in satoshis) per KB
 static const int nHighTransactionFeeWarning = 0.01 * COIN;
+// Largest (in bytes) free transaction we're willing to create
+static const unsigned int MAX_FREE_TRANSACTION_CREATE_SIZE = 1000;
 
 class CAccountingEntry;
 class CCoinControl;
@@ -265,6 +268,8 @@ public:
     std::string SendMoney(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew);
     std::string SendMoneyToDestination(const CTxDestination &address, int64_t nValue, CWalletTx& wtxNew);
 
+    static int64_t GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool);
+
     bool NewKeyPool();
     bool TopUpKeyPool(unsigned int kpSize = 0);
     void ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool);