redesign the sidebar

crates/state/src/lib.rs

@@ -1,4 +1,4 @@
-use std::collections::HashMap;
+use std::collections::{HashMap, HashSet};
 use std::os::unix::fs::PermissionsExt;
 use std::sync::Arc;
 use std::time::Duration;
@@ -576,17 +576,15 @@ impl NostrRegistry {
     }
 
     /// Get contact list for the current user
-    pub fn get_contact_list(&self, cx: &App) -> Task<Result<Vec<PublicKey>, Error>> {
+    pub fn get_contact_list(&self, cx: &App) -> Task<Result<HashSet<PublicKey>, Error>> {
         let client = self.client();
 
         cx.background_spawn(async move {
             let signer = client.signer().context("Signer not found")?;
             let public_key = signer.get_public_key().await?;
-
             let contacts = client.database().contacts_public_keys(public_key).await?;
-            let results = contacts.into_iter().collect();
 
-            Ok(results)
+            Ok(contacts)
         })
     }