device/trezor: add button pressed request

3 files changed, 15 insertions, 1 deletions

diff --git a/src/device/device.hpp b/src/device/device.hpp
index 2e485b1d6..866e2c676 100644
--- a/src/device/device.hpp
+++ b/src/device/device.hpp
@@ -76,6 +76,7 @@ namespace hw {
     class i_device_callback {
     public:
         virtual void on_button_request(uint64_t code=0) {}
+        virtual void on_button_pressed() {}
         virtual boost::optional<epee::wipeable_string> on_pin_request() { return boost::none; }
         virtual boost::optional<epee::wipeable_string> on_passphrase_request(bool on_device) { return boost::none; }
         virtual void on_progress(const device_progress& event) {}
diff --git a/src/device_trezor/device_trezor_base.cpp b/src/device_trezor/device_trezor_base.cpp
index f3d15c5e2..58abde1d1 100644
--- a/src/device_trezor/device_trezor_base.cpp
+++ b/src/device_trezor/device_trezor_base.cpp
@@ -43,7 +43,7 @@ namespace trezor {
 
     const uint32_t device_trezor_base::DEFAULT_BIP44_PATH[] = {0x8000002c, 0x80000080};
 
-    device_trezor_base::device_trezor_base(): m_callback(nullptr) {
+    device_trezor_base::device_trezor_base(): m_callback(nullptr), m_last_msg_type(messages::MessageType_Success) {
 #ifdef WITH_TREZOR_DEBUGGING
       m_debug = false;
 #endif
@@ -275,6 +275,12 @@ namespace trezor {
       // Later if needed this generic message handler can be replaced by a pointer to
       // a protocol message handler which by default points to the device class which implements
       // the default handler.
+
+      if (m_last_msg_type == messages::MessageType_ButtonRequest){
+        on_button_pressed();
+      }
+      m_last_msg_type = input.m_type;
+
       switch(input.m_type){
         case messages::MessageType_ButtonRequest:
           on_button_request(input, dynamic_cast<const messages::common::ButtonRequest*>(input.m_msg.get()));
@@ -413,6 +419,11 @@ namespace trezor {
       resp = read_raw();
     }
 
+    void device_trezor_base::on_button_pressed()
+    {
+      TREZOR_CALLBACK(on_button_pressed);
+    }
+
     void device_trezor_base::on_pin_request(GenericMessage & resp, const messages::common::PinMatrixRequest * msg)
     {
       MDEBUG("on_pin_request");
diff --git a/src/device_trezor/device_trezor_base.hpp b/src/device_trezor/device_trezor_base.hpp
index 8c3c14b29..c106d2099 100644
--- a/src/device_trezor/device_trezor_base.hpp
+++ b/src/device_trezor/device_trezor_base.hpp
@@ -98,6 +98,7 @@ namespace trezor {
       std::shared_ptr<messages::management::Features> m_features;  // features from the last device reset
       boost::optional<epee::wipeable_string> m_pin;
       boost::optional<epee::wipeable_string> m_passphrase;
+      messages::MessageType m_last_msg_type;
 
       cryptonote::network_type network_type;
 
@@ -311,6 +312,7 @@ namespace trezor {
 
     // Protocol callbacks
     void on_button_request(GenericMessage & resp, const messages::common::ButtonRequest * msg);
+    void on_button_pressed();
     void on_pin_request(GenericMessage & resp, const messages::common::PinMatrixRequest * msg);
     void on_passphrase_request(GenericMessage & resp, const messages::common::PassphraseRequest * msg);
     void on_passphrase_state_request(GenericMessage & resp, const messages::common::PassphraseStateRequest * msg);