add blind signing setting

src/app_ui/menu.rs

@@ -14,17 +14,15 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  *****************************************************************************/
-
 use include_gif::include_gif;
 use ledger_device_sdk::io::Comm;
 
 #[cfg(not(any(target_os = "stax", target_os = "flex")))]
 use ledger_device_sdk::ui::{
-    bitmaps::{Glyph, BACK, CERTIFICATE, DASHBOARD_X},
+    bitmaps::{Glyph, BACK, CERTIFICATE, COGGLE, DASHBOARD_X},
     gadgets::{EventOrPageIndex, MultiPageMenu, Page},
 };
 
-#[cfg(any(target_os = "stax", target_os = "flex"))]
 use crate::settings::Settings;
 #[cfg(any(target_os = "stax", target_os = "flex"))]
 use ledger_device_sdk::nbgl::{NbglGlyph, NbglHomeAndSettings};
@@ -51,6 +49,40 @@ fn ui_about_menu(comm: &mut Comm) -> Event<Instruction> {
     }
 }
 
+#[cfg(not(any(target_os = "stax", target_os = "flex")))]
+fn ui_setting_menu(comm: &mut Comm) -> Event<Instruction> {
+    let blind_signing_index = 0;
+
+    let settings: Settings = Default::default();
+    let mut bs_enabled: bool = settings.get_element(blind_signing_index) != 0;
+    let mut bs_status = if bs_enabled { "Enabled" } else { "Disabled" };
+
+    loop {
+        let pages = [
+            &Page::from((["Blind Signing", bs_status], true)),
+            &Page::from(("Back", &BACK)),
+        ];
+        match MultiPageMenu::new(comm, &pages).show() {
+            EventOrPageIndex::Event(e) => return e,
+            EventOrPageIndex::Index(0) => {
+                bs_enabled = !bs_enabled;
+                match bs_enabled {
+                    true => {
+                        settings.set_element(blind_signing_index, 1);
+                        bs_status = "Enabled";
+                    }
+                    false => {
+                        settings.set_element(blind_signing_index, 0);
+                        bs_status = "Disabled";
+                    }
+                }
+            }
+            EventOrPageIndex::Index(1) => return ui_menu_main(comm),
+            EventOrPageIndex::Index(_) => (),
+        }
+    }
+}
+
 #[cfg(not(any(target_os = "stax", target_os = "flex")))]
 pub fn ui_menu_main(comm: &mut Comm) -> Event<Instruction> {
     const APP_ICON: Glyph = Glyph::from_include(include_gif!("icons/cfx_16.gif"));
@@ -59,14 +91,16 @@ pub fn ui_menu_main(comm: &mut Comm) -> Event<Instruction> {
         // without having to use the new() function.
         &Page::from((["Conflux", "is ready"], &APP_ICON)),
         &Page::from((["Version", env!("CARGO_PKG_VERSION")], true)),
+        &Page::from(("Settings", &COGGLE)),
         &Page::from(("About", &CERTIFICATE)),
         &Page::from(("Quit", &DASHBOARD_X)),
     ];
     loop {
         match MultiPageMenu::new(comm, &pages).show() {
             EventOrPageIndex::Event(e) => return e,
-            EventOrPageIndex::Index(2) => return ui_about_menu(comm),
-            EventOrPageIndex::Index(3) => ledger_device_sdk::exit_app(0),
+            EventOrPageIndex::Index(2) => return ui_setting_menu(comm),
+            EventOrPageIndex::Index(3) => return ui_about_menu(comm),
+            EventOrPageIndex::Index(4) => ledger_device_sdk::exit_app(0),
             EventOrPageIndex::Index(_) => (),
         }
     }
@@ -77,7 +111,10 @@ pub fn ui_menu_main(_: &mut Comm) -> NbglHomeAndSettings {
     // Load glyph from 64x64 4bpp gif file with include_gif macro. Creates an NBGL compatible glyph.
     const CFX: NbglGlyph = NbglGlyph::from_include(include_gif!("icons/cfx_64.gif", NBGL));
 
-    let settings_strings = [["Display Data", "Allow display of transaction data."]];
+    let settings_strings = [
+        ["Blind Signing", "Enable transaction blind signing."],
+        ["Display Data", "Allow display of transaction data."],
+    ];
     let mut settings: Settings = Default::default();
 
     // Display the home screen.

src/app_ui/sign.rs

@@ -95,7 +95,7 @@ pub fn ui_display_tx(tx: &Transaction) -> Result<bool, AppSW> {
 
         // If first setting switch is disabled do not display the transaction data
         let settings: Settings = Default::default();
-        if settings.get_element(0) == 0 {
+        if settings.get_element(1) == 0 {
             Ok(review.show(&my_fields[0..2]))
         } else {
             Ok(review.show(&my_fields))

src/handlers/get_version.rs

@@ -18,23 +18,19 @@ use crate::AppSW;
 use core::str::FromStr;
 use ledger_device_sdk::io;
 
-#[cfg(any(target_os = "stax", target_os = "flex"))]
 use crate::settings::Settings;
 
 pub fn handler_get_version(comm: &mut io::Comm) -> Result<(), AppSW> {
     if let Some((major, minor, patch)) = parse_version_string(env!("CARGO_PKG_VERSION")) {
-        #[cfg(not(any(target_os = "stax", target_os = "flex")))]
-        let flags: u8 = 0b0000_0100;
-
-        #[cfg(any(target_os = "stax", target_os = "flex"))]
         let mut flags: u8 = 0b0000_0100;
-        #[cfg(any(target_os = "stax", target_os = "flex"))]
-        {
-            let settings: Settings = Default::default();
-            if settings.get_element(0) == 1 {
-                // If the first byte is 1, then the user has enabled the "Display data" setting
-                flags |= crate::consts::APP_FLAG_DETAILED_DISPLAY_ENABLED;
-            }
+        let settings: Settings = Default::default();
+        if settings.get_element(0) == 1 {
+            // If the first byte is 1, then the user has enabled the "Blind signing" setting
+            flags |= crate::consts::APP_FLAG_BLIND_SIGNING_ENABLED;
+        }
+        if settings.get_element(1) == 1 {
+            // If the first byte is 1, then the user has enabled the "Display data" setting
+            flags |= crate::consts::APP_FLAG_DETAILED_DISPLAY_ENABLED;
         }
 
         comm.append(&[flags, major, minor, patch]);

tests/test_app_mainmenu.py

@@ -8,6 +8,7 @@ def test_app_mainmenu(firmware, navigator, test_name):
     # Navigate in the main menu
     if firmware.device.startswith("nano"):
         instructions = [
+            NavInsID.RIGHT_CLICK,
             NavInsID.RIGHT_CLICK,
             NavInsID.RIGHT_CLICK,
             NavInsID.RIGHT_CLICK