wallet::default_mixin exposed to public interface as

Wallet::setDefaultMixin, Wallet::defaultMixin;
wallet::create_transaction_2 used in Wallet::createTransaction

src/wallet/api/wallet.cpp

@@ -400,7 +400,7 @@ PendingTransaction *WalletImpl::createTransaction(const string &dst_addr, uint64
 
 
         try {
-            transaction->m_pending_tx = m_wallet->create_transactions(dsts, fake_outs_count, 0 /* unlock_time */,
+            transaction->m_pending_tx = m_wallet->create_transactions_2(dsts, fake_outs_count, 0 /* unlock_time */,
                                                                       0 /* unused fee arg*/, extra, m_trustedDaemon);
 
         } catch (const tools::error::daemon_busy&) {
@@ -486,6 +486,15 @@ void WalletImpl::setListener(WalletListener *l)
     m_wallet2Callback->setListener(l);
 }
 
+uint32_t WalletImpl::defaultMixin() const
+{
+    return m_wallet->default_mixin();
+}
+
+void WalletImpl::setDefaultMixin(uint32_t arg)
+{
+    m_wallet->default_mixin(arg);
+}
 
 
 bool WalletImpl::connectToDaemon()

src/wallet/api/wallet.h

@@ -74,6 +74,8 @@ public:
     virtual void disposeTransaction(PendingTransaction * t);
     virtual TransactionHistory * history() const;
     virtual void setListener(WalletListener * l);
+    virtual uint32_t defaultMixin() const;
+    virtual void setDefaultMixin(uint32_t arg);
 
 private:
     void clearStatus();

src/wallet/wallet2_api.h

@@ -167,6 +167,16 @@ struct Wallet
     virtual void disposeTransaction(PendingTransaction * t) = 0;
     virtual TransactionHistory * history() const = 0;
     virtual void setListener(WalletListener *) = 0;
+    /*!
+     * \brief defaultMixin - returns number of mixins used in transactions
+     * \return
+     */
+    virtual uint32_t defaultMixin() const = 0;
+    /*!
+     * \brief setDefaultMixin - setum number of mixins to be used for new transactions
+     * \param arg
+     */
+    virtual void setDefaultMixin(uint32_t arg) = 0;
 };
 
 /**