1 files changed, 93 insertions, 0 deletions
diff --git a/src/device_trezor/trezor/debug_link.hpp b/src/device_trezor/trezor/debug_link.hpp
new file mode 100644
index 000000000..adf5f1d8f
--- /dev/null
+++ b/src/device_trezor/trezor/debug_link.hpp
@@ -0,0 +1,93 @@
+// Copyright (c) 2017-2018, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+#ifndef MONERO_DEBUG_LINK_H
+#define MONERO_DEBUG_LINK_H
+
+#include "transport.hpp"
+#include "messages/messages-debug.pb.h"
+
+
+namespace hw {
+namespace trezor {
+
+  class DebugLink {
+  public:
+
+    DebugLink();
+    virtual ~DebugLink();
+
+    void init(std::shared_ptr<Transport> & transport);
+    void close();
+
+    std::shared_ptr<messages::debug::DebugLinkState> state();
+    void input_word(const std::string & word);
+    void input_button(bool button);
+    void input_swipe(bool swipe);
+    void press_yes() { input_button(true); }
+    void press_no() { input_button(false); }
+    void stop();
+
+    template<class t_message=messages::debug::DebugLinkState>
+    std::shared_ptr<t_message> call(
+        const google::protobuf::Message & req,
+        const boost::optional<messages::MessageType> &resp_type = boost::none,
+        bool no_wait = false)
+    {
+      BOOST_STATIC_ASSERT(boost::is_base_of<google::protobuf::Message, t_message>::value);
+
+      m_transport->write(req);
+      if (no_wait){
+        return nullptr;
+      }
+
+      // Read the response
+      std::shared_ptr<google::protobuf::Message> msg_resp;
+      hw::trezor::messages::MessageType msg_resp_type;
+      m_transport->read(msg_resp, &msg_resp_type);
+
+      messages::MessageType required_type = resp_type ? resp_type.get() : MessageMapper::get_message_wire_number<t_message>();
+      if (msg_resp_type == required_type) {
+        return message_ptr_retype<t_message>(msg_resp);
+      } else if (msg_resp_type == messages::MessageType_Failure){
+        throw_failure_exception(dynamic_cast<messages::common::Failure*>(msg_resp.get()));
+      } else {
+        throw exc::UnexpectedMessageException(msg_resp_type, msg_resp);
+      }
+    };
+
+  private:
+    std::shared_ptr<Transport> m_transport;
+
+  };
+
+}
+}
+
+#endif //MONERO_DEBUG_LINK_H