gui: implement Daemon.update_wallet_metadata() for lianad

liana-gui/src/app/settings.rs

@@ -107,6 +107,25 @@ impl WalletSetting {
         }
         map
     }
+
+    pub fn update_alias(&mut self, key: &Fingerprint, alias: &str) {
+        let key_aliases = self.keys_aliases();
+        if key_aliases.contains_key(key) {
+            self.keys = self
+                .keys
+                .clone()
+                .into_iter()
+                .map(|mut ks| {
+                    if ks.master_fingerprint == *key {
+                        ks.name = alias.into();
+                        ks
+                    } else {
+                        ks
+                    }
+                })
+                .collect();
+        }
+    }
 }
 
 #[derive(Debug, Clone, Deserialize, Serialize, PartialEq, Eq, Hash)]

liana-gui/src/daemon/mod.rs

@@ -21,6 +21,7 @@ use lianad::{
     StartupError,
 };
 
+use crate::app::settings::Settings;
 use crate::{hw::HardwareWalletConfig, node};
 
 #[derive(Debug)]
@@ -364,12 +365,33 @@ pub trait Daemon: Debug {
         Ok(events)
     }
 
-    /// Implemented by LianaLite backend
+    /// Reimplemented by LianaLite backend
     async fn update_wallet_metadata(
         &self,
-        _fingerprint_aliases: &HashMap<Fingerprint, String>,
+        fingerprint_aliases: &HashMap<Fingerprint, String>,
         _hws: &[HardwareWalletConfig],
     ) -> Result<(), DaemonError> {
+        if let Some(datadir) = self
+            .config()
+            .ok_or(DaemonError::Unexpected("Config missing".into()))?
+            .data_dir()
+        {
+            let network = self.get_info().await?.network;
+            let mut settings = Settings::from_file(datadir, network)
+                .map_err(|_| DaemonError::Unexpected("Fail to read Settings from file".into()))?;
+            let wallet = if settings.wallets.len() == 1 {
+                settings.wallets.get_mut(0).expect("already checked")
+            } else {
+                return Err(DaemonError::Unexpected(
+                    "Settings file contains more than one wallet".into(),
+                ));
+            };
+            for fg in wallet.keys_aliases().keys() {
+                if fingerprint_aliases.contains_key(fg) {
+                    wallet.update_alias(fg, fingerprint_aliases.get(fg).expect("checked"));
+                }
+            }
+        }
         Ok(())
     }
 }