prune account code; don't manage pool, deprecate local and forced relays

- local relays are very doable, but not sure if we want them
- forced relays want to be implemented in the pool/subman and need
  more definition

crates/notedeck/src/accounts.rs

@@ -38,7 +38,7 @@ pub enum AccountsAction {
 pub struct AccountRelayData {
     filter: Filter,
     subrmtid: Option<RmtId>,
-    local: BTreeSet<RelaySpec>, // used locally but not advertised
+    _local: BTreeSet<RelaySpec>, // used locally but not advertised
     advertised: Arc<Mutex<BTreeSet<RelaySpec>>>, // advertised via NIP-65
 }
 
@@ -82,7 +82,7 @@ impl AccountRelayData {
         AccountRelayData {
             filter,
             subrmtid: None,
-            local: BTreeSet::new(),
+            _local: BTreeSet::new(),
             advertised: Arc::new(Mutex::new(relays.into_iter().collect())),
         }
     }
@@ -343,13 +343,13 @@ pub struct Accounts {
     accounts: Vec<UserAccount>,
     key_store: KeyStorageType,
     account_data: BTreeMap<[u8; 32], AccountData>,
-    forced_relays: BTreeSet<RelaySpec>,
+    _forced_relays: BTreeSet<RelaySpec>,
     bootstrap_relays: BTreeSet<RelaySpec>,
     needs_relay_config: bool,
 }
 
 impl Accounts {
-    pub fn new(key_store: KeyStorageType, forced_relays: Vec<String>) -> Self {
+    pub fn new(key_store: KeyStorageType, _forced_relays: Vec<String>) -> Self {
         let accounts = if let KeyStorageResponse::ReceivedResult(res) = key_store.get_keys() {
             res.unwrap_or_default()
         } else {
@@ -358,7 +358,7 @@ impl Accounts {
 
         let currently_selected_account = get_selected_index(&accounts, &key_store);
         let account_data = BTreeMap::new();
-        let forced_relays: BTreeSet<RelaySpec> = forced_relays
+        let _forced_relays: BTreeSet<RelaySpec> = _forced_relays
             .into_iter()
             .map(|u| RelaySpec::new(AccountRelayData::canonicalize_url(&u), false, false))
             .collect();
@@ -379,7 +379,7 @@ impl Accounts {
             accounts,
             key_store,
             account_data,
-            forced_relays,
+            _forced_relays,
             bootstrap_relays,
             needs_relay_config: true,
         }
@@ -592,61 +592,6 @@ impl Accounts {
         self.account_data.remove(pubkey);
     }
 
-    fn update_relay_configuration(
-        &mut self,
-        pool: &mut RelayPool,
-        wakeup: impl Fn() + Send + Sync + Clone + 'static,
-    ) {
-        debug!(
-            "updating relay configuration for currently selected {:?}",
-            self.currently_selected_account
-                .map(|i| hex::encode(self.accounts.get(i).unwrap().pubkey.bytes()))
-        );
-
-        // If forced relays are set use them only
-        let mut desired_relays = self.forced_relays.clone();
-
-        // Compose the desired relay lists from the selected account
-        if desired_relays.is_empty() {
-            if let Some(data) = self.get_selected_account_data() {
-                desired_relays.extend(data.relay.local.iter().cloned());
-                desired_relays.extend(data.relay.advertised.lock().unwrap().iter().cloned());
-            }
-        }
-
-        // If no relays are specified at this point use the bootstrap list
-        if desired_relays.is_empty() {
-            desired_relays = self.bootstrap_relays.clone();
-        }
-
-        debug!("current relays: {:?}", pool.urls());
-        debug!("desired relays: {:?}", desired_relays);
-
-        let pool_specs = pool
-            .urls()
-            .iter()
-            .map(|url| RelaySpec::new(url.clone(), false, false))
-            .collect();
-        let add: BTreeSet<RelaySpec> = desired_relays.difference(&pool_specs).cloned().collect();
-        let mut sub: BTreeSet<RelaySpec> =
-            pool_specs.difference(&desired_relays).cloned().collect();
-        if !add.is_empty() {
-            debug!("configuring added relays: {:?}", add);
-            let _ = pool.add_urls(add.iter().map(|r| r.url.clone()).collect(), wakeup);
-        }
-        if !sub.is_empty() {
-            // certain relays are persistent like the multicast relay,
-            // although we should probably have a way to explicitly
-            // disable it
-            sub.remove(&RelaySpec::new("multicast", false, false));
-
-            debug!("removing unwanted relays: {:?}", sub);
-            pool.remove_urls(&sub.iter().map(|r| r.url.clone()).collect());
-        }
-
-        debug!("current relays: {:?}", pool.urls());
-    }
-
     fn get_combined_relays(
         &self,
         data_option: Option<&AccountData>,
@@ -688,18 +633,10 @@ impl Accounts {
         self.get_combined_relays(self.get_selected_account_data(), |_| true)
     }
 
-    pub fn update(&mut self, subman: &mut SubMan, ctx: &egui::Context) {
+    pub fn update(&mut self, subman: &mut SubMan, _ctx: &egui::Context) {
         // IMPORTANT - This function is called in the UI update loop,
         // make sure it is fast when idle
 
-        // On the initial update the relays need config even if nothing changes below
-        let mut need_reconfig = self.needs_relay_config;
-
-        let ctx2 = ctx.clone();
-        let wakeup = move || {
-            ctx2.request_repaint();
-        };
-
         // Do we need to deactivate any existing account subs?
         for (ndx, account) in self.accounts.iter().enumerate() {
             if Some(ndx) != self.currently_selected_account {
@@ -718,23 +655,14 @@ impl Accounts {
         }
 
         let ndb = subman.ndb().clone();
-        let pool = subman.pool();
 
         // Were any accounts added or removed?
         let (added, removed) = self.delta_accounts();
         for pk in added {
             self.handle_added_account(&ndb, &pk);
-            need_reconfig = true;
         }
         for pk in removed {
             self.handle_removed_account(&pk);
-            need_reconfig = true;
-        }
-
-        // If needed, update the relay configuration
-        if need_reconfig {
-            self.update_relay_configuration(pool, wakeup);
-            self.needs_relay_config = false;
         }
 
         // Do we need to activate account subs?