Allow to opt-into RBF when creating a transaction

jonasschnelli · jonasschnelli · commit aeaabd66958d · 2015-12-22T13:53:35.000+01:00
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
@@ -2067,7 +2067,7 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
                 // nLockTime set above actually works.
                 BOOST_FOREACH(const PAIRTYPE(const CWalletTx*,unsigned int)& coin, setCoins)
                     txNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second,CScript(),
-                                              std::numeric_limits<unsigned int>::max()-1));
+                                              std::numeric_limits<unsigned int>::max() - ((flags & CREATE_TX_RBF_OPT_IN) ? 2 : 1) ));
 
                 // Sign
                 int nIn = 0;
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
@@ -448,7 +448,8 @@ class CWalletKey
 
 enum CreateTransactionFlags {
     CREATE_TX_DEFAULT     = 0,
-    CREATE_TX_DONT_SIGN   = (1U << 0)
+    CREATE_TX_DONT_SIGN   = (1U << 0),
+    CREATE_TX_RBF_OPT_IN  = (1U << 1)
 };
 
 /** 
