Get contact for npub

mutiny-core/src/labels.rs

@@ -155,6 +155,20 @@ pub trait LabelStorage {
         }
         Ok(None)
     }
+    /// Finds a contact that has the given npub
+    fn get_contact_for_npub(
+        &self,
+        npub: XOnlyPublicKey,
+    ) -> Result<Option<(String, Contact)>, MutinyError> {
+        // todo this is not efficient, we should have a map of npub to contact
+        let contacts = self.get_contacts()?;
+        for (id, contact) in contacts {
+            if contact.npub == Some(npub) {
+                return Ok(Some((id, contact)));
+            }
+        }
+        Ok(None)
+    }
 }
 
 impl<S: MutinyStorage> LabelStorage for S {

mutiny-wasm/src/lib.rs

@@ -1312,6 +1312,19 @@ impl MutinyWallet {
         Ok(self.inner.node_manager.edit_contact(id, contact)?)
     }
 
+    pub async fn get_contact_for_npub(
+        &self,
+        npub: String,
+    ) -> Result<Option<TagItem>, MutinyJsError> {
+        let npub = parse_npub(&npub)?;
+        let contact = self.inner.node_manager.get_contact_for_npub(npub)?;
+
+        match contact {
+            Some((id, c)) => Ok(Some((id, c).into())),
+            None => Ok(None),
+        }
+    }
+
     pub fn get_tag_items(&self) -> Result<Vec<TagItem>, MutinyJsError> {
         let mut tags: Vec<TagItem> = self
             .inner