Add missing include and update wallet api (#14)

* Add missing include for SWAP32LE

* Add new wallet api functions (on master)

(cherry picked from commit 383fa320918d2e01fbb5e75a5165a1c5667c8777)

src/backend.cpp

@@ -40,6 +40,7 @@
 #include "cryptonote_basic/cryptonote_format_utils.h" // monero/src
 #include "error.h"
 #include "hex.h"               // monero/src
+#include "int-util.h"          // monero/contrib/epee/include
 #include "lwsf_config.h"
 #include "net/websocket.h"
 #include "ringct/rctOps.h"

src/wallet.h

@@ -229,6 +229,14 @@ namespace internal
      */
     virtual bool init(const std::string &daemon_address, uint64_t, const std::string &daemon_username = "", const std::string &daemon_password = "", bool use_ssl = false, bool lightWallet = false, const std::string &proxy_address = "") override;
 
+#ifdef LWSF_MASTER_ENABLE
+    virtual void allowMismatchedDaemonVersion(bool allow_mismatch) override
+    {}
+
+    virtual void setRingDatabase(const std::string &path) override
+    { throw std::logic_error{"lwsf does not support ring database"}; }
+#endif
+
    /*!
     * \brief createWatchOnly - Creates a watch only wallet
     * \param path - where to store the wallet