daemon: add list_coins method

gui/src/daemon/client/mod.rs

@@ -66,6 +66,10 @@ impl<C: Client + Debug> Daemon for Minisafed<C> {
     fn get_new_address(&self) -> Result<GetAddressResult, DaemonError> {
         self.call("getnewaddress", Option::<Request>::None)
     }
+
+    fn list_coins(&self) -> Result<ListCoinsResult, DaemonError> {
+        self.call("listcoins", Option::<Request>::None)
+    }
 }
 
 #[derive(Debug, Clone, Deserialize, Serialize)]

gui/src/daemon/embedded.rs

@@ -80,4 +80,15 @@ impl Daemon for EmbeddedDaemon {
             .control
             .get_new_address())
     }
+
+    fn list_coins(&self) -> Result<ListCoinsResult, DaemonError> {
+        Ok(self
+            .handle
+            .as_ref()
+            .ok_or(DaemonError::NoAnswer)?
+            .lock()
+            .unwrap()
+            .control
+            .list_coins())
+    }
 }

gui/src/daemon/mod.rs

@@ -47,4 +47,6 @@ pub trait Daemon: Debug {
     fn get_info(&self) -> Result<model::GetInfoResult, DaemonError>;
 
     fn get_new_address(&self) -> Result<model::GetAddressResult, DaemonError>;
+
+    fn list_coins(&self) -> Result<model::ListCoinsResult, DaemonError>;
 }

gui/src/daemon/model.rs

@@ -1 +1 @@
-pub use minisafe::commands::{GetAddressResult, GetInfoResult};
+pub use minisafe::commands::{GetAddressResult, GetInfoResult, ListCoinsResult};