Add liana version in gui settings

close #243

gui/Cargo.lock

@@ -1640,7 +1640,7 @@ dependencies = [
 [[package]]
 name = "liana"
 version = "0.1.0"
-source = "git+https://github.com/wizardsardine/liana?branch=master#f433002e91b09ab700d06026e1d94c462aca9756"
+source = "git+https://github.com/wizardsardine/liana?branch=master#bd6ecaeb285f780ea94e38e28b2d0860f1b45c97"
 dependencies = [
  "backtrace",
  "base64",

gui/src/app/state/settings.rs

@@ -31,6 +31,7 @@ pub struct SettingsState {
     warning: Option<Error>,
     config_updated: bool,
     daemon_is_external: bool,
+    daemon_version: Option<String>,
 
     settings: Vec<Box<dyn Setting>>,
     current: Option<usize>,
@@ -52,6 +53,11 @@ impl SettingsState {
         };
 
         SettingsState {
+            daemon_version: if !daemon_is_external {
+                Some(liana::VERSION.to_string())
+            } else {
+                None
+            },
             daemon_is_external,
             warning: None,
             config_updated: false,
@@ -94,6 +100,7 @@ impl State for SettingsState {
             Message::Info(res) => match res {
                 Err(e) => self.warning = Some(e),
                 Ok(info) => {
+                    self.daemon_version = Some(info.version);
                     if info.rescan_progress == Some(1.0) {
                         self.settings[1].edited(true);
                     }
@@ -117,6 +124,7 @@ impl State for SettingsState {
     fn view<'a>(&'a self, cache: &'a Cache) -> Element<'a, view::Message> {
         let can_edit = self.current.is_none() && !self.daemon_is_external;
         view::settings::list(
+            self.daemon_version.as_ref(),
             cache,
             self.warning.as_ref(),
             self.settings
@@ -130,6 +138,17 @@ impl State for SettingsState {
                 .collect(),
         )
     }
+
+    fn load(&self, daemon: Arc<dyn Daemon + Sync + Send>) -> Command<Message> {
+        if self.daemon_version.is_none() {
+            Command::perform(
+                async move { daemon.get_info().map_err(|e| e.into()) },
+                Message::Info,
+            )
+        } else {
+            Command::none()
+        }
+    }
 }
 
 impl From<SettingsState> for Box<dyn State> {

gui/src/app/view/settings.rs

@@ -24,6 +24,7 @@ use crate::{
 };
 
 pub fn list<'a>(
+    lianad_version: Option<&'a String>,
     cache: &'a Cache,
     warning: Option<&Error>,
     settings: Vec<Element<'a, Message>>,
@@ -54,7 +55,28 @@ pub fn list<'a>(
                             .push(Space::with_width(Length::Fill))
                             .push(button::primary(None, "Recover funds").on_press(Message::Menu(Menu::Recovery))),
                     ),
-            )),
+            ))
+            .push(
+                card::simple(
+                    Column::new()
+                        .push(
+                            Row::new()
+                                .push(badge::Badge::new(icon::tooltip_icon()))
+                                .push(text("About").bold())
+                                .padding(10)
+                                .spacing(20)
+                                .align_items(Alignment::Center)
+                                .width(Length::Fill),
+                        )
+                        .push(separation().width(Length::Fill))
+                        .push(Space::with_height(Length::Units(10)))
+                        .push(
+                            Row::new().push(Space::with_width(Length::Fill)).push(Column::new()
+                                .push(text(format!("liana-gui v{}", crate::VERSION)))
+                                .push_maybe(lianad_version.map(|version| text(format!("lianad v{}", version)))))
+                        )
+                ).width(Length::Fill)
+            )
     )
 }
 

gui/src/lib.rs

@@ -6,3 +6,11 @@ pub mod launcher;
 pub mod loader;
 pub mod ui;
 pub mod utils;
+
+use liana::Version;
+
+pub const VERSION: Version = Version {
+    major: 0,
+    minor: 1,
+    patch: 0,
+};