diff --git a/src/wallet/monero_wallet_core.cpp b/src/wallet/monero_wallet_core.cpp
index 17df5d1..35e1e5c 100644
--- a/src/wallet/monero_wallet_core.cpp
+++ b/src/wallet/monero_wallet_core.cpp
@@ -809,10 +809,23 @@ namespace monero {
     return wallet;
   }
 
-  monero_wallet_core* monero_wallet_core::create_wallet_random(const string& path, const string& password, const monero_network_type network_type, const monero_rpc_connection& daemon_connection, const string& language) {
-    MTRACE("create_wallet_random(path, password, network_type, daemon_connection, language)");
+  monero_wallet_core* monero_wallet_core::open_wallet_data(const string& password, const monero_network_type network_type, const string& keys_data, const string& cache_data, const monero_rpc_connection& daemon_connection, unique_ptr<epee::net_utils::http::http_client_factory> http_client_factory) {
+    MTRACE("open_wallet_data(...)");
     monero_wallet_core* wallet = new monero_wallet_core();
-    wallet->m_w2 = unique_ptr<tools::wallet2>(new tools::wallet2(static_cast<cryptonote::network_type>(network_type), 1, true));
+    if (http_client_factory == nullptr) wallet->m_w2 = unique_ptr<tools::wallet2>(new tools::wallet2(static_cast<cryptonote::network_type>(network_type), 1, true));
+    else wallet->m_w2 = unique_ptr<tools::wallet2>(new tools::wallet2(static_cast<cryptonote::network_type>(network_type), 1, true, std::move(http_client_factory)));
+    wallet->m_w2->load("", password, keys_data, cache_data);
+    wallet->m_w2->init("");
+    wallet->set_daemon_connection(daemon_connection);
+    wallet->init_common();
+    return wallet;
+  }
+
+  monero_wallet_core* monero_wallet_core::create_wallet_random(const string& path, const string& password, const monero_network_type network_type, const monero_rpc_connection& daemon_connection, const string& language, unique_ptr<epee::net_utils::http::http_client_factory> http_client_factory) {
+    MTRACE("create_wallet_random(...)");
+    monero_wallet_core* wallet = new monero_wallet_core();
+    if (http_client_factory == nullptr) wallet->m_w2 = unique_ptr<tools::wallet2>(new tools::wallet2(static_cast<cryptonote::network_type>(network_type), 1, true));
+    else wallet->m_w2 = unique_ptr<tools::wallet2>(new tools::wallet2(static_cast<cryptonote::network_type>(network_type), 1, true, std::move(http_client_factory)));
     wallet->set_daemon_connection(daemon_connection);
     wallet->m_w2->set_seed_language(language);
     crypto::secret_key secret_key;
@@ -822,7 +835,7 @@ namespace monero {
     return wallet;
   }
 
-  monero_wallet_core* monero_wallet_core::create_wallet_from_mnemonic(const string& path, const string& password, const monero_network_type network_type, const string& mnemonic, const monero_rpc_connection& daemon_connection, uint64_t restore_height, const string& seed_offset) {
+  monero_wallet_core* monero_wallet_core::create_wallet_from_mnemonic(const string& path, const string& password, const monero_network_type network_type, const string& mnemonic, const monero_rpc_connection& daemon_connection, uint64_t restore_height, const string& seed_offset, unique_ptr<epee::net_utils::http::http_client_factory> http_client_factory) {
     MTRACE("create_wallet_from_mnemonic(path, password, mnemonic, network_type, daemon_connection, restore_height)");
     monero_wallet_core* wallet = new monero_wallet_core();
 
@@ -837,7 +850,8 @@ namespace monero {
     if (!seed_offset.empty()) recovery_key = cryptonote::decrypt_key(recovery_key, seed_offset);
 
     // initialize wallet
-    wallet->m_w2 = unique_ptr<tools::wallet2>(new tools::wallet2(static_cast<cryptonote::network_type>(network_type), 1, true));
+    if (http_client_factory == nullptr) wallet->m_w2 = unique_ptr<tools::wallet2>(new tools::wallet2(static_cast<cryptonote::network_type>(network_type), 1, true));
+    else wallet->m_w2 = unique_ptr<tools::wallet2>(new tools::wallet2(static_cast<cryptonote::network_type>(network_type), 1, true, std::move(http_client_factory)));
     wallet->set_daemon_connection(daemon_connection);
     wallet->m_w2->set_seed_language(language);
     wallet->m_w2->generate(path, password, recovery_key, true, false);
@@ -846,7 +860,7 @@ namespace monero {
     return wallet;
   }
 
-  monero_wallet_core* monero_wallet_core::create_wallet_from_keys(const string& path, const string& password, const monero_network_type network_type, const string& address, const string& view_key, const string& spend_key, const monero_rpc_connection& daemon_connection, uint64_t restore_height, const string& language) {
+  monero_wallet_core* monero_wallet_core::create_wallet_from_keys(const string& path, const string& password, const monero_network_type network_type, const string& address, const string& view_key, const string& spend_key, const monero_rpc_connection& daemon_connection, uint64_t restore_height, const string& language, unique_ptr<epee::net_utils::http::http_client_factory> http_client_factory) {
     MTRACE("create_wallet_from_keys(path, password, address, view_key, spend_key, network_type, daemon_connection, restore_height, language)");
     monero_wallet_core* wallet = new monero_wallet_core();
 
@@ -893,7 +907,8 @@ namespace monero {
     }
 
     // initialize wallet
-    wallet->m_w2 = unique_ptr<tools::wallet2>(new tools::wallet2(static_cast<cryptonote::network_type>(network_type), 1, true));
+    if (http_client_factory == nullptr) wallet->m_w2 = unique_ptr<tools::wallet2>(new tools::wallet2(static_cast<cryptonote::network_type>(network_type), 1, true));
+    else wallet->m_w2 = unique_ptr<tools::wallet2>(new tools::wallet2(static_cast<cryptonote::network_type>(network_type), 1, true, std::move(http_client_factory)));
     if (has_spend_key && has_view_key) wallet->m_w2->generate(path, password, info.address, spend_key_sk, view_key_sk);
     else if (has_spend_key) wallet->m_w2->generate(path, password, spend_key_sk, true, false);
     else wallet->m_w2->generate(path, password, info.address, view_key_sk);
@@ -3184,6 +3199,20 @@ namespace monero {
     m_w2->store_to(path, password);
   }
 
+  std::string monero_wallet_core::get_keys_file_buffer(const epee::wipeable_string& password, bool watch_only) const {
+    boost::optional<wallet2::keys_file_data> keys_file_data = m_w2->get_keys_file_data(password, watch_only);
+    std::string buf;
+    ::serialization::dump_binary(keys_file_data.get(), buf);
+    return buf;
+  }
+
+  std::string monero_wallet_core::get_cache_file_buffer(const epee::wipeable_string& password) const {
+    boost::optional<wallet2::cache_file_data> cache_file_data = m_w2->get_cache_file_data(password);
+    std::string buf;
+    ::serialization::dump_binary(cache_file_data.get(), buf);
+    return buf;
+  }
+
   void monero_wallet_core::close(bool save) {
     MTRACE("close()");
     if (save) this->save();
diff --git a/src/wallet/monero_wallet_core.h b/src/wallet/monero_wallet_core.h
index b413bf8..bb03810 100644
--- a/src/wallet/monero_wallet_core.h
+++ b/src/wallet/monero_wallet_core.h
@@ -98,6 +98,19 @@ namespace monero {
      */
     static monero_wallet_core* open_wallet(const string& path, const string& password, const monero_network_type network_type);
 
+    /**
+     * Open an in-memory wallet from existing data buffers.
+     *
+     * @param password is the password of the wallet file to open
+     * @param network_type is the wallet's network type
+     * @param keys_data contains the contents of the ".keys" file
+     * @param cache_data contains the contents of the wallet cache file (no extension)
+     * @param daemon_connection is connection information to a daemon (default = an unconnected wallet)
+     * @param http_client_factory allows use of custom http clients
+     * @return a pointer to the wallet instance
+     */
+    static monero_wallet_core* open_wallet_data(const string& password, const monero_network_type, const string& keys_data, const string& cache_data, const monero_rpc_connection& daemon_connection = monero_rpc_connection(), unique_ptr<epee::net_utils::http::http_client_factory> http_client_factory = nullptr);
+
     /**
      * Create a new wallet with a randomly generated seed.
      *
@@ -106,9 +119,10 @@ namespace monero {
      * @param network_type is the wallet's network type's
      * @param daemon_connection is connection information to a daemon (defaults to an unconnected wallet)
      * @param language is the wallet and mnemonic's language (defaults to "English")
+     * @param http_client_factory allows use of custom http clients
      * @return a pointer to the wallet instance
      */
-    static monero_wallet_core* create_wallet_random(const string& path, const string& password, const monero_network_type network_type, const monero_rpc_connection& daemon_connection = monero_rpc_connection(), const string& language = "English");
+    static monero_wallet_core* create_wallet_random(const string& path, const string& password, const monero_network_type network_type, const monero_rpc_connection& daemon_connection = monero_rpc_connection(), const string& language = "English", unique_ptr<epee::net_utils::http::http_client_factory> http_client_factory = nullptr);
 
     /**
      * Create a wallet from an existing mnemonic phrase.
@@ -119,9 +133,10 @@ namespace monero {
      * @param daemon_connection is connection information to a daemon (defaults to an unconnected wallet)
      * @param restore_height is the block height to restore from (default = 0)
      * @param seed_offset is the offset used to derive a new seed from the given mnemonic to recover a secret wallet from the mnemonic phrase (default = "")
+     * @param http_client_factory allows use of custom http clients
      * @return a pointer to the wallet instance
      */
-    static monero_wallet_core* create_wallet_from_mnemonic(const string& path, const string& password, const monero_network_type network_type, const string& mnemonic, const monero_rpc_connection& daemon_connection = monero_rpc_connection(), uint64_t restore_height = 0, const string& seed_offset = "");
+    static monero_wallet_core* create_wallet_from_mnemonic(const string& path, const string& password, const monero_network_type network_type, const string& mnemonic, const monero_rpc_connection& daemon_connection = monero_rpc_connection(), uint64_t restore_height = 0, const string& seed_offset = "", unique_ptr<epee::net_utils::http::http_client_factory> http_client_factory = nullptr);
 
     /**
      * Create a wallet from an address, view key, and spend key.
@@ -135,9 +150,10 @@ namespace monero {
      * @param daemon_connection is connection information to a daemon (defaults to an unconnected wallet)
      * @param restore_height is the block height to restore (i.e. scan the chain) from (default = 0)
      * @param language is the wallet and mnemonic's language (defaults to "English")
+     * @param http_client_factory allows use of custom http clients
      * @return a pointer to the wallet instance
      */
-    static monero_wallet_core* create_wallet_from_keys(const string& path, const string& password, const monero_network_type network_type, const string& address, const string& view_key, const string& spend_key, const monero_rpc_connection& daemon_connection = monero_rpc_connection(), uint64_t restore_height = 0, const string& language = "English");
+    static monero_wallet_core* create_wallet_from_keys(const string& path, const string& password, const monero_network_type network_type, const string& address, const string& view_key, const string& spend_key, const monero_rpc_connection& daemon_connection = monero_rpc_connection(), uint64_t restore_height = 0, const string& language = "English", unique_ptr<epee::net_utils::http::http_client_factory> http_client_factory = nullptr);
 
     /**
      * Get a list of available languages for the wallet's mnemonic phrase.
@@ -270,6 +286,12 @@ namespace monero {
     void move_to(string path, string password);
     void close(bool save = false);
 
+    /**
+     * Wallet import and export using buffers and not the file system.
+     */
+    std::string get_keys_file_buffer(const epee::wipeable_string& password, bool watch_only) const;
+    std::string get_cache_file_buffer(const epee::wipeable_string& password) const;
+
     // --------------------------------- PRIVATE --------------------------------
 
   private: