WalletAPI: add getDefaultDataDir()

src/wallet/api/wallet.cpp

@@ -35,6 +35,7 @@
 #include "transaction_history.h"
 #include "address_book.h"
 #include "common_defines.h"
+#include "common/util.h"
 
 #include "mnemonics/electrum-words.h"
 #include <boost/format.hpp>
@@ -1411,6 +1412,11 @@ bool WalletImpl::parse_uri(const std::string &uri, std::string &address, std::st
     return m_wallet->parse_uri(uri, address, payment_id, amount, tx_description, recipient_name, unknown_parameters, error);
 }
 
+std::string WalletImpl::getDefaultDataDir() const
+{
+ return tools::get_default_data_dir();
+}
+
 bool WalletImpl::rescanSpent()
 {
   clearStatus();

src/wallet/api/wallet.h

@@ -129,6 +129,7 @@ public:
     virtual void startRefresh();
     virtual void pauseRefresh();
     virtual bool parse_uri(const std::string &uri, std::string &address, std::string &payment_id, uint64_t &amount, std::string &tx_description, std::string &recipient_name, std::vector<std::string> &unknown_parameters, std::string &error);
+    virtual std::string getDefaultDataDir() const;
 
 private:
     void clearStatus() const;

src/wallet/wallet2_api.h

@@ -596,6 +596,9 @@ struct Wallet
     virtual bool verifySignedMessage(const std::string &message, const std::string &addres, const std::string &signature) const = 0;
 
     virtual bool parse_uri(const std::string &uri, std::string &address, std::string &payment_id, uint64_t &amount, std::string &tx_description, std::string &recipient_name, std::vector<std::string> &unknown_parameters, std::string &error) = 0;
+
+    virtual std::string getDefaultDataDir() const = 0;
+   
    /*
     * \brief rescanSpent - Rescan spent outputs - Can only be used with trusted daemon
     * \return true on success