Merge #331: Make config editabe in Settings panel

5408a5a Add load_config to Daemon trait (edouard)
392cdc8 Make config editable in settings panel (edouard)

Pull request description:

  close #21

ACKs for top commit:
  edouardparis:
    Self-ACK 5408a5a

Tree-SHA512: e868d810da0f4549624fa0024752bd25949cffba3f9b2dbeea4dff580ae4e80f67e885729222ccffc8fe38295a5bd2fd7a793260313d0554743caf0552442f01

src/app/context.rs

@@ -1,16 +1,23 @@
+use std::fs::OpenOptions;
 use std::future::Future;
+use std::io::Write;
 use std::pin::Pin;
 use std::sync::Arc;
 
 use bitcoin::util::psbt::PartiallySignedTransaction as Psbt;
 
-use super::menu::Menu;
-use crate::{app::config, conversion::Converter, daemon::Daemon, revault::Role};
 use revaultd::config::Config as DaemonConfig;
 use revaultd::revault_tx::miniscript::DescriptorPublicKey;
 
 use revault_hwi::{app::revault::RevaultHWI, HWIError};
 
+use crate::{
+    app::{config, error::Error, menu::Menu},
+    conversion::Converter,
+    daemon::Daemon,
+    revault::Role,
+};
+
 pub type HardwareWallet =
     Box<dyn Future<Output = Result<Box<dyn RevaultHWI + Send>, HWIError>> + Send + Sync>;
 
@@ -113,6 +120,32 @@ impl Context {
             false
         }
     }
+
+    pub fn load_daemon_config(&mut self, cfg: DaemonConfig) -> Result<(), Error> {
+        loop {
+            if let Some(daemon) = Arc::get_mut(&mut self.revaultd) {
+                daemon.load_config(cfg.clone())?;
+                break;
+            }
+        }
+
+        let mut daemon_config_file = OpenOptions::new()
+            .write(true)
+            .open(&self.config.gui.revaultd_config_path)
+            .map_err(|e| Error::ConfigError(e.to_string()))?;
+
+        let content =
+            toml::to_string(&self.config.daemon).map_err(|e| Error::ConfigError(e.to_string()))?;
+
+        daemon_config_file
+            .write_all(content.as_bytes())
+            .map_err(|e| {
+                log::warn!("failed to write to file: {:?}", e);
+                Error::ConfigError(e.to_string())
+            })?;
+
+        Ok(())
+    }
 }
 
 pub struct ConfigContext {

src/app/message.rs

@@ -1,8 +1,11 @@
-use bitcoin::{util::psbt::PartiallySignedTransaction as Psbt, OutPoint};
-use revault_hwi::{app::revault::RevaultHWI, HWIError};
 use std::sync::Arc;
+
+use bitcoin::{util::psbt::PartiallySignedTransaction as Psbt, OutPoint};
 use tokio::sync::Mutex;
 
+use revault_hwi::{app::revault::RevaultHWI, HWIError};
+use revaultd::config::Config as DaemonConfig;
+
 use crate::{
     app::{error::Error, menu::Menu},
     daemon::{
@@ -58,6 +61,19 @@ pub enum Message {
     Close,
     Revault,
     Revaulted(Result<(), RevaultDError>),
+    Settings(usize, SettingsMessage),
+    AddWatchtower,
+    LoadDaemonConfig(DaemonConfig),
+    DaemonConfigLoaded(Result<(), Error>),
+}
+
+#[derive(Debug, Clone)]
+pub enum SettingsMessage {
+    Remove,
+    Edit,
+    FieldEdited(&'static str, String),
+    CancelEdit,
+    ConfirmEdit,
 }
 
 #[derive(Debug, Clone)]

src/app/mod.rs

@@ -14,7 +14,7 @@ use iced::{time, Clipboard, Command, Element, Subscription};
 use iced_native::{window, Event};
 
 pub use config::Config;
-pub use message::Message;
+pub use message::{Message, SettingsMessage};
 
 use menu::Menu;
 use state::{
@@ -31,14 +31,13 @@ pub struct App {
     context: Context,
 }
 
-#[allow(unreachable_patterns)]
 pub fn new_state(context: &Context) -> Box<dyn State> {
     match (context.role, &context.menu) {
         (_, Menu::Deposit) => DepositState::new().into(),
         (_, Menu::History) => HistoryState::new().into(),
         (_, Menu::Vaults(menu)) => VaultsState::new(menu).into(),
         (_, Menu::RevaultVaults) => RevaultVaultsState::default().into(),
-        (_, Menu::Settings) => SettingsState::new(context.config.gui.clone()).into(),
+        (_, Menu::Settings) => SettingsState::new(context).into(),
         (Role::Stakeholder, Menu::Home) => StakeholderHomeState::new().into(),
         (Role::Stakeholder, Menu::CreateVaults) => StakeholderCreateVaultsState::new().into(),
         (Role::Stakeholder, Menu::DelegateFunds) => StakeholderDelegateVaultsState::new().into(),
@@ -107,6 +106,10 @@ impl App {
                 }
                 Command::none()
             }
+            Message::LoadDaemonConfig(cfg) => {
+                let res = self.context.load_daemon_config(cfg);
+                self.update(Message::DaemonConfigLoaded(res), clipboard)
+            }
             Message::ChangeRole(role) => {
                 self.context.role = role;
                 self.state = new_state(&self.context);