diff --git a/src/main.rs b/src/main.rs
index a55d23f..4e0c9b0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -69,6 +69,27 @@ impl<T: Debug> MutexExt<T> for Mutex<T> {
     }
 }
 
+#[derive(Debug)]
+pub(crate) struct SilentPaymentWallet {
+    sp_client: Mutex<SpClient>,
+    sp_outputs: Mutex<OutputList>,
+    storage: Mutex<JsonFile>,
+}
+
+impl SilentPaymentWallet {
+    pub fn get_client(&self) -> Result<MutexGuard<SpClient>> {
+        self.sp_client.lock_anyhow()
+    }
+
+    pub fn get_outputs(&self) -> Result<MutexGuard<OutputList>> {
+        self.sp_outputs.lock_anyhow()
+    }
+
+    pub fn get_storage(&self) -> Result<MutexGuard<JsonFile>> {
+        self.storage.lock_anyhow()
+    }
+}
+
 enum BroadcastType {
     Sender(SocketAddr),
     ExcludeSender(SocketAddr),