gui: add create_recovery command to client

gui/src/daemon/client/mod.rs

@@ -134,6 +134,14 @@ impl<C: Client + Debug> Daemon for Lianad<C> {
     fn list_txs(&self, txids: &[Txid]) -> Result<ListTransactionsResult, DaemonError> {
         self.call("listtransactions", Some(vec![txids]))
     }
+
+    fn create_recovery(&self, address: Address, feerate_vb: u64) -> Result<Psbt, DaemonError> {
+        let res: CreateSpendResult = self.call(
+            "createrecovery",
+            Some(vec![json!(address), json!(feerate_vb)]),
+        )?;
+        Ok(res.psbt)
+    }
 }
 
 #[derive(Debug, Clone, Deserialize, Serialize)]

gui/src/daemon/embedded.rs

@@ -193,4 +193,16 @@ impl Daemon for EmbeddedDaemon {
             .start_rescan(t)
             .map_err(|e| DaemonError::Unexpected(e.to_string()))
     }
+
+    fn create_recovery(&self, address: Address, feerate_vb: u64) -> Result<Psbt, DaemonError> {
+        self.handle
+            .as_ref()
+            .ok_or(DaemonError::NoAnswer)?
+            .read()
+            .unwrap()
+            .control
+            .create_recovery(address, feerate_vb)
+            .map_err(|e| DaemonError::Unexpected(e.to_string()))
+            .map(|res| res.psbt)
+    }
 }

gui/src/daemon/mod.rs

@@ -65,6 +65,7 @@ pub trait Daemon: Debug {
         _end: u32,
         _limit: u64,
     ) -> Result<model::ListTransactionsResult, DaemonError>;
+    fn create_recovery(&self, address: Address, feerate_vb: u64) -> Result<Psbt, DaemonError>;
     fn list_txs(&self, txid: &[Txid]) -> Result<model::ListTransactionsResult, DaemonError>;
 
     fn list_spend_transactions(&self) -> Result<Vec<model::SpendTx>, DaemonError> {