Add get_monero_recovery_info RPC endpoint

- Add `get_monero_recovery_info` RPC endpoint
- format PrivateViewKey using Display

swap/src/api/request.rs

@@ -173,12 +173,7 @@ impl Request {
         }
     }
 
-    // We pass the outer tracing span down to this function such that it can be passed down to other spawned tokio tasks
-    // This ensures that tasks like the event_loop are all part of the same tracing span
-    async fn handle_cmd(
-        self,
-        context: Arc<Context>,
-    ) -> Result<serde_json::Value> {
+    async fn handle_cmd(self, context: Arc<Context>) -> Result<serde_json::Value> {
         match self.cmd {
             Method::SuspendCurrentSwap => {
                 let swap_id = context.swap_lock.get_current_swap_id().await;
@@ -679,22 +674,7 @@ impl Request {
             Method::MoneroRecovery { swap_id } => {
                 let swap_state: BobState = context.db.get_state(swap_id).await?.try_into()?;
 
-                match swap_state {
-                    BobState::Started { .. }
-                    | BobState::SwapSetupCompleted(_)
-                    | BobState::BtcLocked { .. }
-                    | BobState::XmrLockProofReceived { .. }
-                    | BobState::XmrLocked(_)
-                    | BobState::EncSigSent(_)
-                    | BobState::CancelTimelockExpired(_)
-                    | BobState::BtcCancelled(_)
-                    | BobState::BtcRefunded(_)
-                    | BobState::BtcPunished { .. }
-                    | BobState::SafelyAborted
-                    | BobState::XmrRedeemed { .. } => {
-                        bail!("Cannot print monero recovery information in state {}, only possible for BtcRedeemed", swap_state)
-                    }
-                    BobState::BtcRedeemed(state5) => {
+                if let BobState::BtcRedeemed(state5) = swap_state {
                     let (spend_key, view_key) = state5.xmr_keys();
 
                     let address = monero::Address::standard(
@@ -702,18 +682,21 @@ impl Request {
                         monero::PublicKey::from_private_key(&spend_key),
                         monero::PublicKey::from(view_key.public()),
                     );
-                        tracing::info!("Wallet address: {}", address.to_string());
 
-                        let view_key = serde_json::to_string(&view_key)?;
-                        println!("View key: {}", view_key);
+                    tracing::info!(address=%address, spend_key=%spend_key, view_key=%view_key, "Monero recovery information");
 
-                        println!("Spend key: {}", spend_key);
+                    return Ok(json!({
+                        "address": address,
+                        "spend_key": spend_key.to_string(),
+                        "view_key": view_key.to_string(),
+                    }));
+                } else {
+                    bail!(
+                        "Cannot print monero recovery information in state {}, only possible for BtcRedeemed",
+                        swap_state
+                    )
                 }
             }
-                Ok(json!({
-                    "result": []
-                }))
-            }
             Method::GetCurrentSwap => Ok(json!({
                 "swap_id": context.swap_lock.get_current_swap_id().await
             })),
@@ -721,11 +704,12 @@ impl Request {
     }
 
     pub async fn call(self, context: Arc<Context>) -> Result<serde_json::Value> {
-        let method_span = self.cmd.get_tracing_span(self.log_reference.clone()).clone();
+        let method_span = self
+            .cmd
+            .get_tracing_span(self.log_reference.clone())
+            .clone();
 
-        self.handle_cmd(context)
-            .instrument(method_span)
-            .await
+        self.handle_cmd(context).instrument(method_span).await
     }
 }
 

swap/src/monero.rs

@@ -42,6 +42,13 @@ pub fn private_key_from_secp256k1_scalar(scalar: bitcoin::Scalar) -> PrivateKey
 #[derive(Clone, Copy, Debug, Serialize, Deserialize, PartialEq, Eq)]
 pub struct PrivateViewKey(#[serde(with = "monero_private_key")] PrivateKey);
 
+impl fmt::Display for PrivateViewKey {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        // Delegate to the Display implementation of PrivateKey
+        write!(f, "{}", self.0)
+    }
+}
+
 impl PrivateViewKey {
     pub fn new_random<R: RngCore + CryptoRng>(rng: &mut R) -> Self {
         let scalar = Scalar::random(rng);

swap/src/rpc/methods.rs

@@ -85,6 +85,26 @@ pub fn register_modules(context: Arc<Context>) -> RpcModule<Arc<Context>> {
         })
         .unwrap();
 
+    module
+        .register_async_method(
+            "get_monero_recovery_info",
+            |params_raw, context| async move {
+                let params: HashMap<String, Uuid> = params_raw.parse()?;
+
+                let swap_id = params.get("swap_id").ok_or_else(|| {
+                    jsonrpsee_core::Error::Custom("Does not contain swap_id".to_string())
+                })?;
+
+                execute_request(
+                    params_raw,
+                    Method::MoneroRecovery { swap_id: *swap_id },
+                    &context,
+                )
+                .await
+            },
+        )
+        .unwrap();
+
     module
         .register_async_method("withdraw_btc", |params_raw, context| async move {
             let params: HashMap<String, String> = params_raw.parse()?;
@@ -118,7 +138,8 @@ pub fn register_modules(context: Arc<Context>) -> RpcModule<Arc<Context>> {
             )
             .await
         })
-        .expect("Could not register RPC method withdraw_btc");
+        .unwrap();
+
     module
         .register_async_method("buy_xmr", |params_raw, context| async move {
             let params: HashMap<String, String> = params_raw.parse()?;
@@ -165,6 +186,7 @@ pub fn register_modules(context: Arc<Context>) -> RpcModule<Arc<Context>> {
             .await
         })
         .unwrap();
+
     module
         .register_async_method("list_sellers", |params_raw, context| async move {
             let params: HashMap<String, Multiaddr> = params_raw.parse()?;