chore: bump version

* chore: refactor account registry

* wip: nip4e

* chore: rename account to device

* feat: nip44 encryption with master signer

* update

* refactor

* feat: unwrap with device keys

* chore: improve handler

* chore: fix rustls

* chore: refactor onboarding

* chore: fix compose

* chore: fix send message

* chore: fix forgot to request device

* fix send message

* chore: fix deadlock

* chore: small fixes

* chore: improve

* fix

* refactor

* refactor

* refactor

* fix

* add fetch request

* save keys

* fix

* update

* update

* update

Cargo.toml

@@ -11,9 +11,9 @@ gpui = { git = "https://github.com/zed-industries/zed" }
 reqwest_client = { git = "https://github.com/zed-industries/zed" }
 
 # Nostr
-nostr-relay-builder = { git = "https://github.com/rust-nostr/nostr" }
-nostr-connect = { git = "https://github.com/rust-nostr/nostr" }
-nostr-sdk = { git = "https://github.com/rust-nostr/nostr", features = [
+nostr-relay-builder = { git = "https://github.com/reyamir/nostr", branch = "feat/improve-nip17" }
+nostr-connect = { git = "https://github.com/reyamir/nostr", branch = "feat/improve-nip17" }
+nostr-sdk = { git = "https://github.com/reyamir/nostr", branch = "feat/improve-nip17", features = [
 	"lmdb",
 	"nip96",
 	"nip59",

Packager.toml

@@ -2,7 +2,7 @@ name = "coop"
 description = "Coop is a cross-platform Nostr client designed for secure communication focus on simplicity and customizability."
 product-name = "Coop"
 identifier = "su.reya.coop"
-version = "0.1.3"
+version = "0.1.4"
 resources = ["assets/*/*", "Cargo.toml", "./LICENSE", "./README.md"]
 icons = [
   "assets/brand/32x32.png",

crates/account/Cargo.toml

@@ -1,16 +0,0 @@
-[package]
-name = "account"
-version = "0.0.0"
-edition = "2021"
-publish = false
-
-[dependencies]
-common = { path = "../common" }
-state = { path = "../state" }
-
-gpui.workspace = true
-nostr-sdk.workspace = true
-anyhow.workspace = true
-smol.workspace = true
-oneshot.workspace = true
-log.workspace = true

crates/account/src/lib.rs

@@ -1 +0,0 @@
-pub mod registry;

crates/account/src/registry.rs

@@ -1,117 +0,0 @@
-use anyhow::anyhow;
-use common::{
-    constants::{ALL_MESSAGES_SUB_ID, NEW_MESSAGE_SUB_ID},
-    profile::NostrProfile,
-};
-use gpui::{App, AppContext, AsyncApp, Context, Entity, Global, Task};
-use nostr_sdk::prelude::*;
-use state::get_client;
-use std::{sync::Arc, time::Duration};
-
-struct GlobalAccount(Entity<Account>);
-
-impl Global for GlobalAccount {}
-
-#[derive(Debug, Clone)]
-pub struct Account {
-    profile: NostrProfile,
-}
-
-impl Account {
-    pub fn global(cx: &App) -> Option<Entity<Self>> {
-        cx.try_global::<GlobalAccount>()
-            .map(|model| model.0.clone())
-    }
-
-    pub fn set_global(account: Entity<Self>, cx: &mut App) {
-        cx.set_global(GlobalAccount(account));
-    }
-
-    pub fn login(signer: Arc<dyn NostrSigner>, cx: &AsyncApp) -> Task<Result<(), anyhow::Error>> {
-        let client = get_client();
-        let (tx, rx) = oneshot::channel::<Option<NostrProfile>>();
-
-        cx.background_spawn(async move {
-            // Update nostr signer
-            _ = client.set_signer(signer).await;
-            // Verify nostr signer and get public key
-            let result = async {
-                let signer = client.signer().await?;
-                let public_key = signer.get_public_key().await?;
-                let metadata = client
-                    .fetch_metadata(public_key, Duration::from_secs(2))
-                    .await
-                    .ok()
-                    .unwrap_or_default();
-
-                Ok::<_, anyhow::Error>(NostrProfile::new(public_key, metadata))
-            }
-            .await;
-
-            tx.send(result.ok()).ok();
-        })
-        .detach();
-
-        cx.spawn(|cx| async move {
-            if let Ok(Some(profile)) = rx.await {
-                cx.update(|cx| {
-                    let this = cx.new(|cx| {
-                        let this = Account { profile };
-                        // Run initial sync data for this account
-                        if let Some(task) = this.sync(cx) {
-                            task.detach();
-                        }
-                        // Return
-                        this
-                    });
-
-                    Self::set_global(this, cx)
-                })
-            } else {
-                Err(anyhow!("Login failed"))
-            }
-        })
-    }
-
-    pub fn get(&self) -> &NostrProfile {
-        &self.profile
-    }
-
-    fn sync(&self, cx: &mut Context<Self>) -> Option<Task<()>> {
-        let client = get_client();
-        let public_key = self.profile.public_key();
-
-        let task = cx.background_spawn(async move {
-            // Set the default options for this task
-            let opts = SubscribeAutoCloseOptions::default().exit_policy(ReqExitPolicy::ExitOnEOSE);
-
-            // Create a filter to get contact list
-            let contact_list = Filter::new()
-                .kind(Kind::ContactList)
-                .author(public_key)
-                .limit(1);
-
-            if let Err(e) = client.subscribe(contact_list, Some(opts)).await {
-                log::error!("Failed to subscribe to contact list: {}", e);
-            }
-
-            // Create a filter for getting all gift wrapped events send to current user
-            let msg = Filter::new().kind(Kind::GiftWrap).pubkey(public_key);
-            let id = SubscriptionId::new(ALL_MESSAGES_SUB_ID);
-
-            if let Err(e) = client.subscribe_with_id(id, msg.clone(), Some(opts)).await {
-                log::error!("Failed to subscribe to all messages: {}", e);
-            }
-
-            // Create a filter to continuously receive new messages.
-            let new_msg = msg.limit(0);
-            let id = SubscriptionId::new(NEW_MESSAGE_SUB_ID);
-
-            if let Err(e) = client.subscribe_with_id(id, new_msg, None).await {
-                log::error!("Failed to subscribe to new messages: {}", e);
-            }
-        });
-
-        Some(task)
-    }
-}

crates/app/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "coop"
-version = "0.1.3"
+version = "0.1.4"
 edition = "2021"
 publish = false
 
@@ -11,9 +11,8 @@ path = "src/main.rs"
 [dependencies]
 ui = { path = "../ui" }
 common = { path = "../common" }
-state = { path = "../state" }
+global = { path = "../global" }
 chats = { path = "../chats" }
-account = { path = "../account" }
 
 gpui.workspace = true
 reqwest_client.workspace = true
@@ -27,6 +26,7 @@ itertools.workspace = true
 dirs.workspace = true
 rust-embed.workspace = true
 log.workspace = true
+smallvec.workspace = true
 smol.workspace = true
 oneshot.workspace = true
 

crates/app/src/device.rs

@@ -0,0 +1,916 @@
+use std::{collections::HashSet, str::FromStr, sync::Arc, time::Duration};
+
+use anyhow::{anyhow, Error};
+use common::profile::NostrProfile;
+use global::{
+    constants::{
+        ALL_MESSAGES_SUB_ID, CLIENT_KEYRING, DEVICE_ANNOUNCEMENT_KIND, DEVICE_REQUEST_KIND,
+        DEVICE_RESPONSE_KIND, DEVICE_SUB_ID, MASTER_KEYRING, NEW_MESSAGE_SUB_ID,
+    },
+    get_app_name, get_client, get_device_keys, get_device_name, set_device_keys,
+};
+use gpui::{
+    div, px, relative, App, AppContext, Context, Entity, Global, ParentElement, Styled, Task,
+    Window,
+};
+use nostr_sdk::prelude::*;
+use smallvec::SmallVec;
+use ui::{
+    button::{Button, ButtonRounded, ButtonVariants},
+    indicator::Indicator,
+    notification::Notification,
+    theme::{scale::ColorScaleStep, ActiveTheme},
+    ContextModal, Root, Sizable, StyledExt,
+};
+
+use crate::views::{app, onboarding, relays};
+
+struct GlobalDevice(Entity<Device>);
+
+impl Global for GlobalDevice {}
+
+#[derive(Debug, Default)]
+pub enum DeviceState {
+    Master,
+    Minion,
+    #[default]
+    None,
+}
+
+impl DeviceState {
+    pub fn subscribe(&self, window: &mut Window, cx: &mut Context<Self>) {
+        match self {
+            Self::Master => {
+                let client = get_client();
+                let task: Task<Result<(), Error>> = cx.background_spawn(async move {
+                    let signer = client.signer().await?;
+                    let public_key = signer.get_public_key().await?;
+
+                    let opts =
+                        SubscribeAutoCloseOptions::default().exit_policy(ReqExitPolicy::ExitOnEOSE);
+
+                    let filter = Filter::new()
+                        .kind(Kind::Custom(DEVICE_REQUEST_KIND))
+                        .author(public_key)
+                        .limit(1);
+
+                    // Subscribe for the latest request
+                    client.subscribe(filter, Some(opts)).await?;
+
+                    let filter = Filter::new()
+                        .kind(Kind::Custom(DEVICE_REQUEST_KIND))
+                        .author(public_key)
+                        .since(Timestamp::now());
+
+                    // Subscribe for new device requests
+                    client.subscribe(filter, None).await?;
+
+                    Ok(())
+                });
+
+                cx.spawn_in(window, |_, _cx| async move {
+                    if let Err(err) = task.await {
+                        log::error!("Failed to subscribe for device requests: {}", err);
+                    }
+                })
+                .detach();
+            }
+            Self::Minion => {
+                let client = get_client();
+                let task: Task<Result<(), Error>> = cx.background_spawn(async move {
+                    let signer = client.signer().await?;
+                    let public_key = signer.get_public_key().await?;
+
+                    let opts =
+                        SubscribeAutoCloseOptions::default().exit_policy(ReqExitPolicy::ExitOnEOSE);
+
+                    let filter = Filter::new()
+                        .kind(Kind::Custom(DEVICE_RESPONSE_KIND))
+                        .author(public_key);
+
+                    // Getting all previous approvals
+                    client.subscribe(filter.clone(), Some(opts)).await?;
+
+                    // Continously receive the request approval
+                    client
+                        .subscribe(filter.since(Timestamp::now()), None)
+                        .await?;
+
+                    Ok(())
+                });
+
+                cx.spawn_in(window, |_, _cx| async move {
+                    if let Err(err) = task.await {
+                        log::error!("Failed to subscribe for device approval: {}", err);
+                    }
+                })
+                .detach();
+            }
+            _ => {}
+        }
+    }
+}
+
+/// Current Device (Client)
+///
+/// NIP-4e: <https://github.com/nostr-protocol/nips/blob/per-device-keys/4e.md>
+#[derive(Debug)]
+pub struct Device {
+    /// Profile (Metadata) of current user
+    profile: Option<NostrProfile>,
+    /// Client Keys
+    client_keys: Arc<Keys>,
+    /// Device State
+    state: Entity<DeviceState>,
+    requesters: Entity<HashSet<PublicKey>>,
+    is_processing: bool,
+}
+
+pub fn init(window: &mut Window, cx: &App) {
+    // Initialize client keys
+    let read_keys = cx.read_credentials(CLIENT_KEYRING);
+    let window_handle = window.window_handle();
+
+    cx.spawn(|cx| async move {
+        let client_keys = if let Ok(Some((_, secret))) = read_keys.await {
+            let secret_key = SecretKey::from_slice(&secret).unwrap();
+
+            Arc::new(Keys::new(secret_key))
+        } else {
+            // Generate new keys and save them to keyring
+            let keys = Keys::generate();
+
+            if let Ok(write_keys) = cx.update(|cx| {
+                cx.write_credentials(
+                    CLIENT_KEYRING,
+                    keys.public_key.to_hex().as_str(),
+                    keys.secret_key().as_secret_bytes(),
+                )
+            }) {
+                _ = write_keys.await;
+            };
+
+            Arc::new(keys)
+        };
+
+        cx.update(|cx| {
+            let state = cx.new(|_| DeviceState::None);
+            let weak_state = state.downgrade();
+            let requesters = cx.new(|_| HashSet::new());
+            let entity = cx.new(|_| Device {
+                profile: None,
+                is_processing: false,
+                state,
+                client_keys,
+                requesters,
+            });
+
+            window_handle
+                .update(cx, |_, window, cx| {
+                    // Open the onboarding view
+                    Root::update(window, cx, |this, window, cx| {
+                        this.replace_view(onboarding::init(window, cx).into());
+                        cx.notify();
+                    });
+
+                    // Observe the DeviceState changes
+                    if let Some(state) = weak_state.upgrade() {
+                        window
+                            .observe(&state, cx, |this, window, cx| {
+                                this.update(cx, |this, cx| {
+                                    this.subscribe(window, cx);
+                                });
+                            })
+                            .detach();
+                    };
+
+                    // Observe the Device changes
+                    window
+                        .observe(&entity, cx, |this, window, cx| {
+                            this.update(cx, |this, cx| {
+                                this.on_device_change(window, cx);
+                            });
+                        })
+                        .detach();
+                })
+                .ok();
+
+            Device::set_global(entity, cx)
+        })
+        .ok();
+    })
+    .detach();
+}
+
+impl Device {
+    pub fn global(cx: &App) -> Option<Entity<Self>> {
+        cx.try_global::<GlobalDevice>().map(|model| model.0.clone())
+    }
+
+    pub fn set_global(device: Entity<Self>, cx: &mut App) {
+        cx.set_global(GlobalDevice(device));
+    }
+
+    pub fn client_keys(&self) -> Arc<Keys> {
+        self.client_keys.clone()
+    }
+
+    pub fn profile(&self) -> Option<&NostrProfile> {
+        self.profile.as_ref()
+    }
+
+    pub fn set_profile(&mut self, profile: NostrProfile, cx: &mut Context<Self>) {
+        self.profile = Some(profile);
+        cx.notify();
+    }
+
+    pub fn set_state(&mut self, state: DeviceState, cx: &mut Context<Self>) {
+        self.state.update(cx, |this, cx| {
+            *this = state;
+            cx.notify();
+        });
+    }
+
+    pub fn set_processing(&mut self, is_processing: bool, cx: &mut Context<Self>) {
+        self.is_processing = is_processing;
+        cx.notify();
+    }
+
+    pub fn add_requester(&mut self, public_key: PublicKey, cx: &mut Context<Self>) {
+        self.requesters.update(cx, |this, cx| {
+            this.insert(public_key);
+            cx.notify();
+        });
+    }
+
+    /// Login and set user signer
+    pub fn login<T>(&self, signer: T, cx: &mut Context<Self>) -> Task<Result<(), Error>>
+    where
+        T: NostrSigner + 'static,
+    {
+        let client = get_client();
+
+        // Set the user's signer as the main signer
+        let login: Task<Result<NostrProfile, Error>> = cx.background_spawn(async move {
+            // Use user's signer for main signer
+            _ = client.set_signer(signer).await;
+
+            // Verify nostr signer and get public key
+            let signer = client.signer().await?;
+            let public_key = signer.get_public_key().await?;
+
+            // Fetch user's metadata
+            let metadata = client
+                .fetch_metadata(public_key, Duration::from_secs(2))
+                .await?
+                .unwrap_or_default();
+
+            // Get user's inbox relays
+            let filter = Filter::new()
+                .kind(Kind::InboxRelays)
+                .author(public_key)
+                .limit(1);
+
+            let relays = if let Some(event) = client
+                .fetch_events(filter, Duration::from_secs(2))
+                .await?
+                .first_owned()
+            {
+                let relays = event
+                    .tags
+                    .filter_standardized(TagKind::Relay)
+                    .filter_map(|t| {
+                        if let TagStandard::Relay(url) = t {
+                            Some(url.to_owned())
+                        } else {
+                            None
+                        }
+                    })
+                    .collect::<SmallVec<[RelayUrl; 3]>>();
+
+                Some(relays)
+            } else {
+                None
+            };
+
+            let profile = NostrProfile::new(public_key, metadata).relays(relays);
+
+            Ok(profile)
+        });
+
+        cx.spawn(|this, cx| async move {
+            match login.await {
+                Ok(user) => {
+                    cx.update(|cx| {
+                        this.update(cx, |this, cx| {
+                            this.profile = Some(user);
+                            cx.notify();
+                        })
+                        .ok();
+                    })
+                    .ok();
+
+                    Ok(())
+                }
+                Err(e) => Err(e),
+            }
+        })
+    }
+
+    /// This function is called whenever the device is changed
+    fn on_device_change(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        let Some(profile) = self.profile.as_ref() else {
+            // User not logged in, render the Onboarding View
+            Root::update(window, cx, |this, window, cx| {
+                this.replace_view(onboarding::init(window, cx).into());
+                cx.notify();
+            });
+
+            return;
+        };
+
+        // Replace the Onboarding View with the Dock View
+        Root::update(window, cx, |this, window, cx| {
+            this.replace_view(app::init(window, cx).into());
+            cx.notify();
+        });
+
+        // Get the user's messaging relays
+        // If it is empty, user must setup relays
+        let ready = profile.messaging_relays.is_some();
+
+        cx.spawn_in(window, |this, mut cx| async move {
+            cx.update(|window, cx| {
+                if !ready {
+                    this.update(cx, |this, cx| {
+                        this.render_setup_relays(window, cx);
+                    })
+                    .ok();
+                } else {
+                    this.update(cx, |this, cx| {
+                        this.start_subscription(cx);
+                    })
+                    .ok();
+                }
+            })
+            .ok();
+        })
+        .detach();
+    }
+
+    /// Initialize subscription for current user
+    pub fn start_subscription(&self, cx: &Context<Self>) {
+        if self.is_processing {
+            return;
+        }
+
+        let Some(profile) = self.profile() else {
+            return;
+        };
+
+        let user = profile.public_key;
+        let client = get_client();
+
+        let opts = SubscribeAutoCloseOptions::default().exit_policy(ReqExitPolicy::ExitOnEOSE);
+        let device_kind = Kind::Custom(DEVICE_ANNOUNCEMENT_KIND);
+
+        // Create a device announcement filter
+        let device = Filter::new().kind(device_kind).author(user).limit(1);
+
+        // Create a contact list filter
+        let contacts = Filter::new().kind(Kind::ContactList).author(user).limit(1);
+
+        // Create a user's data filter
+        let data = Filter::new()
+            .author(user)
+            .since(Timestamp::now())
+            .kinds(vec![
+                Kind::Metadata,
+                Kind::InboxRelays,
+                Kind::RelayList,
+                device_kind,
+            ]);
+
+        // Create a filter for getting all gift wrapped events send to current user
+        let msg = Filter::new().kind(Kind::GiftWrap).pubkey(user);
+
+        // Create a filter to continuously receive new messages.
+        let new_msg = Filter::new().kind(Kind::GiftWrap).pubkey(user).limit(0);
+
+        let task: Task<Result<(), Error>> = cx.background_spawn(async move {
+            // Only subscribe to the latest device announcement
+            let sub_id = SubscriptionId::new(DEVICE_SUB_ID);
+            client.subscribe_with_id(sub_id, device, Some(opts)).await?;
+
+            // Only subscribe to the latest contact list
+            client.subscribe(contacts, Some(opts)).await?;
+
+            // Continuously receive new user's data since now
+            client.subscribe(data, None).await?;
+
+            let sub_id = SubscriptionId::new(ALL_MESSAGES_SUB_ID);
+            client.subscribe_with_id(sub_id, msg, Some(opts)).await?;
+
+            let sub_id = SubscriptionId::new(NEW_MESSAGE_SUB_ID);
+            client.subscribe_with_id(sub_id, new_msg, None).await?;
+
+            Ok(())
+        });
+
+        cx.spawn(|_, _| async move {
+            if let Err(e) = task.await {
+                log::error!("Subscription error: {}", e);
+            }
+        })
+        .detach();
+    }
+
+    /// Setup Device
+    ///
+    /// NIP-4e: <https://github.com/nostr-protocol/nips/blob/per-device-keys/4e.md>
+    pub fn setup_device(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        let Some(profile) = self.profile().cloned() else {
+            return;
+        };
+
+        // If processing, return early
+        if self.is_processing {
+            return;
+        }
+
+        // Only process if device keys are not set
+        self.set_processing(true, cx);
+
+        let client = get_client();
+        let public_key = profile.public_key;
+        let kind = Kind::Custom(DEVICE_ANNOUNCEMENT_KIND);
+        let filter = Filter::new().kind(kind).author(public_key).limit(1);
+
+        // Fetch device announcement events
+        let fetch_announcement = cx.background_spawn(async move {
+            if let Some(event) = client.database().query(filter).await?.first_owned() {
+                Ok(event)
+            } else {
+                Err(anyhow!("Device Announcement not found."))
+            }
+        });
+
+        cx.spawn_in(window, |this, mut cx| async move {
+            // Device Keys has been set, no need to retrieve device announcement again
+            if get_device_keys().await.is_some() {
+                return;
+            }
+
+            match fetch_announcement.await {
+                Ok(event) => {
+                    log::info!("Found a device announcement: {:?}", event);
+
+                    let n_tag = event
+                        .tags
+                        .find(TagKind::custom("n"))
+                        .and_then(|t| t.content())
+                        .map(|hex| hex.to_owned());
+
+                    let credentials_task =
+                        match cx.update(|_, cx| cx.read_credentials(MASTER_KEYRING)) {
+                            Ok(task) => task,
+                            Err(err) => {
+                                log::error!("Failed to read credentials: {:?}", err);
+                                log::info!("Trying to request keys from Master Device...");
+
+                                cx.update(|window, cx| {
+                                    this.update(cx, |this, cx| {
+                                        this.request_master_keys(window, cx);
+                                    })
+                                })
+                                .ok();
+
+                                return;
+                            }
+                        };
+
+                    match credentials_task.await {
+                        Ok(Some((pubkey, secret))) if n_tag.as_deref() == Some(&pubkey) => {
+                            cx.update(|window, cx| {
+                                this.update(cx, |this, cx| {
+                                    this.set_master_keys(secret, window, cx);
+                                })
+                            })
+                            .ok();
+                        }
+                        _ => {
+                            log::info!("This device is not the Master Device.");
+                            log::info!("Trying to request keys from Master Device...");
+
+                            cx.update(|window, cx| {
+                                this.update(cx, |this, cx| {
+                                    this.request_master_keys(window, cx);
+                                })
+                            })
+                            .ok();
+                        }
+                    }
+                }
+                Err(_) => {
+                    log::info!("Device Announcement not found.");
+                    log::info!("Appoint this device as Master Device.");
+
+                    cx.update(|window, cx| {
+                        this.update(cx, |this, cx| {
+                            this.set_new_master_keys(window, cx);
+                        })
+                        .ok();
+                    })
+                    .ok();
+                }
+            }
+        })
+        .detach();
+    }
+
+    /// Create a new Master Keys, appointing this device as Master Device.
+    ///
+    /// NIP-4e: <https://github.com/nostr-protocol/nips/blob/per-device-keys/4e.md>
+    pub fn set_new_master_keys(&self, window: &mut Window, cx: &Context<Self>) {
+        let client = get_client();
+        let app_name = get_app_name();
+
+        let task: Task<Result<Arc<Keys>, Error>> = cx.background_spawn(async move {
+            let keys = Keys::generate();
+            let kind = Kind::Custom(DEVICE_ANNOUNCEMENT_KIND);
+            let client_tag = Tag::client(app_name);
+            let pubkey_tag = Tag::custom(TagKind::custom("n"), vec![keys.public_key().to_hex()]);
+
+            let event = EventBuilder::new(kind, "").tags(vec![client_tag, pubkey_tag]);
+
+            if let Err(e) = client.send_event_builder(event).await {
+                log::error!("Failed to send Device Announcement: {}", e);
+            } else {
+                log::info!("Device Announcement has been sent");
+            }
+
+            Ok(Arc::new(keys))
+        });
+
+        cx.spawn_in(window, |this, mut cx| async move {
+            if get_device_keys().await.is_some() {
+                return;
+            }
+
+            if let Ok(keys) = task.await {
+                // Update global state
+                set_device_keys(keys.clone()).await;
+
+                // Save keys
+                if let Ok(task) = cx.update(|_, cx| {
+                    cx.write_credentials(
+                        MASTER_KEYRING,
+                        keys.public_key().to_hex().as_str(),
+                        keys.secret_key().as_secret_bytes(),
+                    )
+                }) {
+                    if let Err(e) = task.await {
+                        log::error!("Failed to write device keys to keyring: {}", e);
+                    }
+                };
+
+                cx.update(|_, cx| {
+                    this.update(cx, |this, cx| {
+                        this.set_state(DeviceState::Master, cx);
+                    })
+                    .ok();
+                })
+                .ok();
+            }
+        })
+        .detach();
+    }
+
+    /// Device already has Master Keys, re-appointing this device as Master Device.
+    ///
+    /// NIP-4e: <https://github.com/nostr-protocol/nips/blob/per-device-keys/4e.md>
+    pub fn set_master_keys(&self, secret: Vec<u8>, window: &mut Window, cx: &Context<Self>) {
+        let Ok(secret_key) = SecretKey::from_slice(&secret) else {
+            log::error!("Failed to parse secret key");
+            return;
+        };
+        let keys = Arc::new(Keys::new(secret_key));
+
+        cx.spawn_in(window, |this, mut cx| async move {
+            log::info!("Re-appointing this device as Master Device.");
+            set_device_keys(keys).await;
+
+            cx.update(|_, cx| {
+                this.update(cx, |this, cx| {
+                    this.set_state(DeviceState::Master, cx);
+                })
+                .ok();
+            })
+            .ok();
+        })
+        .detach();
+    }
+
+    /// Send a request to ask for device keys from the other Nostr client
+    ///
+    /// NIP-4e: <https://github.com/nostr-protocol/nips/blob/per-device-keys/4e.md>
+    pub fn request_master_keys(&self, window: &mut Window, cx: &Context<Self>) {
+        let client = get_client();
+        let app_name = get_app_name();
+        let client_keys = self.client_keys.clone();
+
+        let kind = Kind::Custom(DEVICE_REQUEST_KIND);
+        let client_tag = Tag::client(app_name);
+        let pubkey_tag = Tag::custom(
+            TagKind::custom("pubkey"),
+            vec![client_keys.public_key().to_hex()],
+        );
+
+        // Create a request event builder
+        let builder = EventBuilder::new(kind, "").tags(vec![client_tag, pubkey_tag]);
+
+        let task: Task<Result<(), Error>> = cx.background_spawn(async move {
+            log::info!("Sent a request to ask for device keys from the other Nostr client");
+
+            if let Err(e) = client.send_event_builder(builder).await {
+                log::error!("Failed to send device keys request: {}", e);
+            } else {
+                log::info!("Waiting for response...");
+            }
+
+            Ok(())
+        });
+
+        cx.spawn_in(window, |this, mut cx| async move {
+            if task.await.is_ok() {
+                cx.update(|window, cx| {
+                    this.update(cx, |this, cx| {
+                        this.set_state(DeviceState::Minion, cx);
+                        this.render_waiting_modal(window, cx);
+                    })
+                    .ok();
+                })
+                .ok();
+            }
+        })
+        .detach();
+    }
+
+    /// Received Device Keys approval from Master Device,
+    ///
+    /// NIP-4e: <https://github.com/nostr-protocol/nips/blob/per-device-keys/4e.md>
+    pub fn recv_approval(&self, event: Event, window: &mut Window, cx: &Context<Self>) {
+        let local_signer = self.client_keys.clone();
+
+        let task = cx.background_spawn(async move {
+            if let Some(tag) = event
+                .tags
+                .find(TagKind::custom("P"))
+                .and_then(|tag| tag.content())
+            {
+                if let Ok(public_key) = PublicKey::from_str(tag) {
+                    let secret = local_signer
+                        .nip44_decrypt(&public_key, &event.content)
+                        .await?;
+
+                    let keys = Arc::new(Keys::parse(&secret)?);
+
+                    // Update global state with new device keys
+                    set_device_keys(keys).await;
+                    log::info!("Received master keys");
+
+                    Ok(())
+                } else {
+                    Err(anyhow!("Public Key is invalid"))
+                }
+            } else {
+                Err(anyhow!("Failed to decrypt the Master Keys"))
+            }
+        });
+
+        cx.spawn_in(window, |_, mut cx| async move {
+            // No need to update if device keys are already available
+            if get_device_keys().await.is_some() {
+                return;
+            }
+
+            if let Err(e) = task.await {
+                cx.update(|window, cx| {
+                    window.push_notification(
+                        Notification::error(format!("Failed to decrypt: {}", e)),
+                        cx,
+                    );
+                })
+                .ok();
+            } else {
+                cx.update(|window, cx| {
+                    window.close_all_modals(cx);
+                    window.push_notification(
+                        Notification::success("Device Keys request has been approved"),
+                        cx,
+                    );
+                })
+                .ok();
+            }
+        })
+        .detach();
+    }
+
+    /// Received Master Keys request from other Nostr client
+    ///
+    /// NIP-4e: <https://github.com/nostr-protocol/nips/blob/per-device-keys/4e.md>
+    pub fn recv_request(&mut self, event: Event, window: &mut Window, cx: &mut Context<Self>) {
+        let Some(target_pubkey) = event
+            .tags
+            .find(TagKind::custom("pubkey"))
+            .and_then(|tag| tag.content())
+            .and_then(|content| PublicKey::parse(content).ok())
+        else {
+            log::error!("Invalid public key.");
+            return;
+        };
+
+        // Prevent processing duplicate requests
+        if self.requesters.read(cx).contains(&target_pubkey) {
+            return;
+        }
+
+        self.add_requester(target_pubkey, cx);
+
+        let client = get_client();
+        let read_keys = cx.read_credentials(MASTER_KEYRING);
+        let local_signer = self.client_keys.clone();
+
+        let device_name = event
+            .tags
+            .find(TagKind::Client)
+            .and_then(|tag| tag.content())
+            .unwrap_or("Other Device")
+            .to_owned();
+
+        let response = window.prompt(
+            gpui::PromptLevel::Info,
+            "Requesting Device Keys",
+            Some(
+                format!(
+                    "{} is requesting shared device keys stored in this device",
+                    device_name
+                )
+                .as_str(),
+            ),
+            &["Approve", "Deny"],
+            cx,
+        );
+
+        cx.spawn_in(window, |_, cx| async move {
+            match response.await {
+                Ok(0) => {
+                    if let Ok(Some((_, secret))) = read_keys.await {
+                        let local_pubkey = local_signer.get_public_key().await?;
+
+                        // Get device's secret key
+                        let device_secret = SecretKey::from_slice(&secret)?;
+                        let device_secret_hex = device_secret.to_secret_hex();
+
+                        // Encrypt device's secret key by using NIP-44
+                        let content = local_signer
+                            .nip44_encrypt(&target_pubkey, &device_secret_hex)
+                            .await?;
+
+                        // Create pubkey tag for other device (lowercase p)
+                        let other_tag = Tag::public_key(target_pubkey);
+
+                        // Create pubkey tag for this device (uppercase P)
+                        let local_tag = Tag::custom(
+                            TagKind::SingleLetter(SingleLetterTag::uppercase(Alphabet::P)),
+                            vec![local_pubkey.to_hex()],
+                        );
+
+                        // Create event builder
+                        let kind = Kind::Custom(DEVICE_RESPONSE_KIND);
+                        let tags = vec![other_tag, local_tag];
+                        let builder = EventBuilder::new(kind, content).tags(tags);
+
+                        cx.background_spawn(async move {
+                            if let Err(err) = client.send_event_builder(builder).await {
+                                log::error!("Failed to send device keys to other client: {}", err);
+                            } else {
+                                log::info!("Sent device keys to other client");
+                            }
+                        })
+                        .await;
+
+                        Ok(())
+                    } else {
+                        Err(anyhow!("Device Keys not found"))
+                    }
+                }
+                _ => Ok(()),
+            }
+        })
+        .detach();
+    }
+
+    /// Show setup relays modal
+    ///
+    /// NIP-17: <https://github.com/nostr-protocol/nips/blob/master/17.md>
+    pub fn render_setup_relays(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        let relays = relays::init(window, cx);
+
+        window.open_modal(cx, move |this, window, cx| {
+            let is_loading = relays.read(cx).loading();
+
+            this.keyboard(false)
+                .closable(false)
+                .width(px(430.))
+                .title("Your Messaging Relays are not configured")
+                .child(relays.clone())
+                .footer(
+                    div()
+                        .p_2()
+                        .border_t_1()
+                        .border_color(cx.theme().base.step(cx, ColorScaleStep::FIVE))
+                        .child(
+                            Button::new("update_inbox_relays_btn")
+                                .label("Update")
+                                .primary()
+                                .bold()
+                                .rounded(ButtonRounded::Large)
+                                .w_full()
+                                .loading(is_loading)
+                                .on_click(window.listener_for(&relays, |this, _, window, cx| {
+                                    this.update(window, cx);
+                                })),
+                        ),
+                )
+        });
+    }
+
+    /// Show waiting modal
+    ///
+    /// NIP-4e: <https://github.com/nostr-protocol/nips/blob/per-device-keys/4e.md>
+    pub fn render_waiting_modal(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        window.open_modal(cx, move |this, _window, cx| {
+            let msg = format!(
+                "Please open {} and approve sharing device keys request.",
+                get_device_name()
+            );
+
+            this.keyboard(false)
+                .closable(false)
+                .width(px(430.))
+                .child(
+                    div()
+                        .flex()
+                        .items_center()
+                        .justify_center()
+                        .size_full()
+                        .p_4()
+                        .child(
+                            div()
+                                .flex()
+                                .flex_col()
+                                .items_center()
+                                .justify_center()
+                                .size_full()
+                                .child(
+                                    div()
+                                        .flex()
+                                        .flex_col()
+                                        .text_sm()
+                                        .child(
+                                            div()
+                                                .font_semibold()
+                                                .child("You're using a new device."),
+                                        )
+                                        .child(
+                                            div()
+                                                .text_color(
+                                                    cx.theme()
+                                                        .base
+                                                        .step(cx, ColorScaleStep::ELEVEN),
+                                                )
+                                                .line_height(relative(1.3))
+                                                .child(msg),
+                                        ),
+                                ),
+                        ),
+                )
+                .footer(
+                    div()
+                        .p_4()
+                        .border_t_1()
+                        .border_color(cx.theme().base.step(cx, ColorScaleStep::FIVE))
+                        .w_full()
+                        .flex()
+                        .gap_2()
+                        .items_center()
+                        .justify_center()
+                        .text_xs()
+                        .text_color(cx.theme().base.step(cx, ColorScaleStep::ELEVEN))
+                        .child(Indicator::new().small())
+                        .child("Waiting for approval ..."),
+                )
+        });
+    }
+}

crates/app/src/main.rs

@@ -1,46 +1,55 @@
+use anyhow::anyhow;
 use asset::Assets;
 use chats::registry::ChatRegistry;
-use common::constants::{
-    ALL_MESSAGES_SUB_ID, APP_ID, APP_NAME, KEYRING_SERVICE, NEW_MESSAGE_SUB_ID,
-};
+use device::Device;
 use futures::{select, FutureExt};
+#[cfg(not(target_os = "linux"))]
+use global::constants::APP_NAME;
+use global::{
+    constants::{
+        ALL_MESSAGES_SUB_ID, APP_ID, BOOTSTRAP_RELAYS, DEVICE_ANNOUNCEMENT_KIND,
+        DEVICE_REQUEST_KIND, DEVICE_RESPONSE_KIND, DEVICE_SUB_ID, NEW_MESSAGE_SUB_ID,
+    },
+    get_client, get_device_keys, set_device_name,
+};
 use gpui::{
-    actions, px, size, App, AppContext, Application, AsyncApp, Bounds, KeyBinding, Menu, MenuItem,
+    actions, px, size, App, AppContext, Application, Bounds, KeyBinding, Menu, MenuItem,
     WindowBounds, WindowKind, WindowOptions,
 };
 #[cfg(not(target_os = "linux"))]
 use gpui::{point, SharedString, TitlebarOptions};
 #[cfg(target_os = "linux")]
 use gpui::{WindowBackgroundAppearance, WindowDecorations};
-use log::{error, info};
-use nostr_sdk::SubscriptionId;
 use nostr_sdk::{
-    pool::prelude::ReqExitPolicy, Client, Event, Filter, Keys, Kind, PublicKey, RelayMessage,
-    RelayPoolNotification, SubscribeAutoCloseOptions,
+    nips::nip59::UnwrappedGift, pool::prelude::ReqExitPolicy, Event, Filter, Keys, Kind, PublicKey,
+    RelayMessage, RelayPoolNotification, SubscribeAutoCloseOptions, SubscriptionId, TagKind,
 };
 use smol::Timer;
-use state::get_client;
 use std::{collections::HashSet, mem, sync::Arc, time::Duration};
 use ui::{theme::Theme, Root};
-use views::{app, onboarding};
+use views::startup;
 
-mod asset;
-mod views;
+pub(crate) mod asset;
+pub(crate) mod device;
+pub(crate) mod views;
 
 actions!(coop, [Quit]);
 
-#[derive(Clone)]
+#[derive(Debug)]
 enum Signal {
     /// Receive event
     Event(Event),
+    /// Receive request master key event
+    RequestMasterKey(Event),
+    /// Receive approve master key event
+    ReceiveMasterKey(Event),
+    /// Receive announcement event
+    ReceiveAnnouncement,
     /// Receive EOSE
     Eose,
 }
 
 fn main() {
-    // Fix crash on startup
-    // TODO: why this is needed?
-    _ = rustls::crypto::ring::default_provider().install_default();
     // Enable logging
     tracing_subscriber::fmt::init();
 
@@ -58,11 +67,17 @@ fn main() {
     // Connect to default relays
     app.background_executor()
         .spawn(async {
-            _ = client.add_relay("wss://relay.damus.io/").await;
-            _ = client.add_relay("wss://relay.primal.net/").await;
-            _ = client.add_relay("wss://user.kindpag.es/").await;
-            _ = client.add_relay("wss://purplepag.es/").await;
+            // Fix crash on startup
+            // TODO: why this is needed?
+            _ = rustls::crypto::aws_lc_rs::default_provider().install_default();
+
+            for relay in BOOTSTRAP_RELAYS.into_iter() {
+                _ = client.add_relay(relay).await;
+            }
+
             _ = client.add_discovery_relay("wss://relaydiscovery.com").await;
+            _ = client.add_discovery_relay("wss://user.kindpag.es").await;
+
             _ = client.connect().await
         })
         .detach();
@@ -71,7 +86,7 @@ fn main() {
     app.background_executor()
         .spawn(async move {
             const BATCH_SIZE: usize = 20;
-            const BATCH_TIMEOUT: Duration = Duration::from_millis(200);
+            const BATCH_TIMEOUT: Duration = Duration::from_millis(500);
 
             let mut batch: HashSet<PublicKey> = HashSet::new();
 
@@ -84,7 +99,7 @@ fn main() {
                             Ok(keys) => {
                                 batch.extend(keys);
                                 if batch.len() >= BATCH_SIZE {
-                                    sync_metadata(client, mem::take(&mut batch)).await;
+                                    handle_metadata(mem::take(&mut batch)).await;
                                 }
                             }
                             Err(_) => break,
@@ -92,7 +107,7 @@ fn main() {
                     }
                     _ = timeout => {
                         if !batch.is_empty() {
-                            sync_metadata(client, mem::take(&mut batch)).await;
+                            handle_metadata(mem::take(&mut batch)).await;
                         }
                     }
                 }
@@ -106,6 +121,7 @@ fn main() {
             let rng_keys = Keys::generate();
             let all_id = SubscriptionId::new(ALL_MESSAGES_SUB_ID);
             let new_id = SubscriptionId::new(NEW_MESSAGE_SUB_ID);
+            let device_id = SubscriptionId::new(DEVICE_SUB_ID);
             let mut notifications = client.notifications();
 
             while let Ok(notification) = notifications.recv().await {
@@ -117,52 +133,73 @@ fn main() {
                         } => {
                             match event.kind {
                                 Kind::GiftWrap => {
-                                    if let Ok(gift) = client.unwrap_gift_wrap(&event).await {
-                                        let mut pubkeys = vec![];
-
+                                    if let Ok(gift) = handle_gift_wrap(&event).await {
                                         // Sign the rumor with the generated keys,
                                         // this event will be used for internal only,
                                         // and NEVER send to relays.
                                         if let Ok(event) = gift.rumor.sign_with_keys(&rng_keys) {
+                                            let mut pubkeys = vec![];
                                             pubkeys.extend(event.tags.public_keys());
                                             pubkeys.push(event.pubkey);
 
                                             // Save the event to the database, use for query directly.
-                                            if let Err(e) =
-                                                client.database().save_event(&event).await
-                                            {
-                                                error!("Failed to save event: {}", e);
-                                            }
-
-                                            // Send all pubkeys to the batch
-                                            if let Err(e) = batch_tx.send(pubkeys).await {
-                                                error!("Failed to send pubkeys to batch: {}", e)
-                                            }
+                                            _ = client.database().save_event(&event).await;
 
                                             // Send this event to the GPUI
                                             if new_id == *subscription_id {
-                                                if let Err(e) =
-                                                    event_tx.send(Signal::Event(event)).await
-                                                {
-                                                    error!("Failed to send event to GPUI: {}", e)
-                                                }
+                                                _ = event_tx.send(Signal::Event(event)).await;
                                             }
+
+                                            // Send all pubkeys to the batch
+                                            _ = batch_tx.send(pubkeys).await;
                                         }
                                     }
                                 }
                                 Kind::ContactList => {
                                     let pubkeys =
                                         event.tags.public_keys().copied().collect::<HashSet<_>>();
-                                    sync_metadata(client, pubkeys).await;
+
+                                    handle_metadata(pubkeys).await;
+                                }
+                                Kind::Custom(DEVICE_REQUEST_KIND) => {
+                                    log::info!("Received device keys request");
+
+                                    _ = event_tx
+                                        .send(Signal::RequestMasterKey(event.into_owned()))
+                                        .await;
+                                }
+                                Kind::Custom(DEVICE_RESPONSE_KIND) => {
+                                    log::info!("Received device keys approval");
+
+                                    _ = event_tx
+                                        .send(Signal::ReceiveMasterKey(event.into_owned()))
+                                        .await;
+                                }
+                                Kind::Custom(DEVICE_ANNOUNCEMENT_KIND) => {
+                                    log::info!("Device Announcement received");
+
+                                    if let Ok(signer) = client.signer().await {
+                                        if let Ok(public_key) = signer.get_public_key().await {
+                                            if event.pubkey == public_key {
+                                                if let Some(tag) = event
+                                                    .tags
+                                                    .find(TagKind::custom("client"))
+                                                    .and_then(|tag| tag.content())
+                                                {
+                                                    set_device_name(tag).await;
+                                                }
+                                            }
+                                        }
+                                    }
                                 }
                                 _ => {}
                             }
                         }
                         RelayMessage::EndOfStoredEvents(subscription_id) => {
                             if all_id == *subscription_id {
-                                if let Err(e) = event_tx.send(Signal::Eose).await {
-                                    error!("Failed to send eose: {}", e)
-                                };
+                                _ = event_tx.send(Signal::Eose).await;
+                            } else if device_id == *subscription_id {
+                                _ = event_tx.send(Signal::ReceiveAnnouncement).await;
                             }
                         }
                         _ => {}
@@ -172,62 +209,24 @@ fn main() {
         })
         .detach();
 
-    // Handle re-open window
-    app.on_reopen(move |cx| {
-        let client = get_client();
-        let (tx, rx) = oneshot::channel::<bool>();
-
-        cx.background_spawn(async move {
-            let is_login = client.signer().await.is_ok();
-            _ = tx.send(is_login);
-        })
-        .detach();
-
-        cx.spawn(|mut cx| async move {
-            if let Ok(is_login) = rx.await {
-                _ = restore_window(is_login, &mut cx).await;
-            }
-        })
-        .detach();
-    });
-
     app.run(move |cx| {
-        // Initialize chat global state
-        chats::registry::init(cx);
-        // Initialize components
-        ui::init(cx);
         // Bring the app to the foreground
         cx.activate(true);
+
         // Register the `quit` function
         cx.on_action(quit);
+
         // Register the `quit` function with CMD+Q
         cx.bind_keys([KeyBinding::new("cmd-q", Quit, None)]);
+
         // Set menu items
         cx.set_menus(vec![Menu {
             name: "Coop".into(),
             items: vec![MenuItem::action("Quit", Quit)],
         }]);
 
-        // Spawn a task to handle events from nostr channel
-        cx.spawn(|cx| async move {
-            while let Ok(signal) = event_rx.recv().await {
-                cx.update(|cx| {
-                    if let Some(chats) = ChatRegistry::global(cx) {
-                        match signal {
-                            Signal::Eose => chats.update(cx, |this, cx| this.load_chat_rooms(cx)),
-                            Signal::Event(event) => {
-                                chats.update(cx, |this, cx| this.push_message(event, cx))
-                            }
-                        };
-                    }
-                })
-                .ok();
-            }
-        })
-        .detach();
-
         // Set up the window options
-        let window_opts = WindowOptions {
+        let opts = WindowOptions {
             #[cfg(not(target_os = "linux"))]
             titlebar: Some(TitlebarOptions {
                 title: Some(SharedString::new_static(APP_NAME)),
@@ -244,124 +243,118 @@ fn main() {
             #[cfg(target_os = "linux")]
             window_decorations: Some(WindowDecorations::Client),
             kind: WindowKind::Normal,
+            app_id: Some(APP_ID.to_owned()),
             ..Default::default()
         };
 
-        // Create a task to read credentials from the keyring service
-        let task = cx.read_credentials(KEYRING_SERVICE);
-        let (tx, rx) = oneshot::channel::<bool>();
+        // Open a window with default options
+        cx.open_window(opts, |window, cx| {
+            // Automatically sync theme with system appearance
+            window
+                .observe_window_appearance(|window, cx| {
+                    Theme::sync_system_appearance(Some(window), cx);
+                })
+                .detach();
 
-        // Read credential in OS Keyring
-        cx.background_spawn(async {
-            let is_ready = if let Ok(Some((_, secret))) = task.await {
-                let result = async {
-                    let secret_hex = String::from_utf8(secret)?;
-                    let keys = Keys::parse(&secret_hex)?;
+            // Initialize components
+            ui::init(cx);
 
-                    // Update nostr signer
-                    client.set_signer(keys).await;
+            // Initialize chat global state
+            chats::registry::init(cx);
 
-                    Ok::<_, anyhow::Error>(true)
-                }
-                .await;
+            // Initialize device
+            device::init(window, cx);
 
-                result.is_ok()
-            } else {
-                false
-            };
+            cx.new(|cx| {
+                let root = Root::new(startup::init(window, cx).into(), window, cx);
 
-            _ = tx.send(is_ready)
+                // Spawn a task to handle events from nostr channel
+                cx.spawn_in(window, |_, mut cx| async move {
+                    while let Ok(signal) = event_rx.recv().await {
+                        cx.update(|window, cx| {
+                            match signal {
+                                Signal::Eose => {
+                                    if let Some(chats) = ChatRegistry::global(cx) {
+                                        chats.update(cx, |this, cx| this.load_chat_rooms(cx))
+                                    }
+                                }
+                                Signal::Event(event) => {
+                                    if let Some(chats) = ChatRegistry::global(cx) {
+                                        chats.update(cx, |this, cx| this.push_message(event, cx))
+                                    }
+                                }
+                                Signal::ReceiveAnnouncement => {
+                                    if let Some(device) = Device::global(cx) {
+                                        device.update(cx, |this, cx| {
+                                            this.setup_device(window, cx);
+                                        });
+                                    }
+                                }
+                                Signal::ReceiveMasterKey(event) => {
+                                    if let Some(device) = Device::global(cx) {
+                                        device.update(cx, |this, cx| {
+                                            this.recv_approval(event, window, cx);
+                                        });
+                                    }
+                                }
+                                Signal::RequestMasterKey(event) => {
+                                    if let Some(device) = Device::global(cx) {
+                                        device.update(cx, |this, cx| {
+                                            this.recv_request(event, window, cx);
+                                        });
+                                    }
+                                }
+                            };
+                        })
+                        .ok();
+                    }
+                })
+                .detach();
+
+                root
+            })
         })
-        .detach();
-
-        cx.spawn(|cx| async move {
-            if let Ok(is_ready) = rx.await {
-                if is_ready {
-                    // Open a App window
-                    cx.open_window(window_opts, |window, cx| {
-                        cx.new(|cx| Root::new(app::init(window, cx).into(), window, cx))
-                    })
-                    .expect("Failed to open window");
-                } else {
-                    // Open a Onboarding window
-                    cx.open_window(window_opts, |window, cx| {
-                        cx.new(|cx| Root::new(onboarding::init(window, cx).into(), window, cx))
-                    })
-                    .expect("Failed to open window");
-                }
-            }
-        })
-        .detach();
+        .expect("Failed to open window. Please restart the application.");
     });
 }
 
-async fn sync_metadata(client: &Client, buffer: HashSet<PublicKey>) {
-    let opts = SubscribeAutoCloseOptions::default().exit_policy(ReqExitPolicy::ExitOnEOSE);
-    let filter = Filter::new()
-        .authors(buffer.iter().cloned())
-        .kind(Kind::Metadata)
-        .limit(buffer.len());
+async fn handle_gift_wrap(gift_wrap: &Event) -> Result<UnwrappedGift, anyhow::Error> {
+    let client = get_client();
 
-    if let Err(e) = client.subscribe(filter, Some(opts)).await {
-        error!("Subscribe error: {e}");
+    if let Some(device) = get_device_keys().await {
+        // Try to unwrap with the device keys first
+        match UnwrappedGift::from_gift_wrap(&device, gift_wrap).await {
+            Ok(event) => Ok(event),
+            Err(_) => {
+                // Try to unwrap again with the user's signer
+                let signer = client.signer().await?;
+                let event = UnwrappedGift::from_gift_wrap(&signer, gift_wrap).await?;
+                Ok(event)
+            }
+        }
+    } else {
+        Err(anyhow!("Signer not found"))
     }
 }
 
-async fn restore_window(is_login: bool, cx: &mut AsyncApp) -> anyhow::Result<()> {
-    let opts = cx
-        .update(|cx| WindowOptions {
-            #[cfg(not(target_os = "linux"))]
-            titlebar: Some(TitlebarOptions {
-                title: Some(SharedString::new_static(APP_NAME)),
-                traffic_light_position: Some(point(px(9.0), px(9.0))),
-                appears_transparent: true,
-            }),
-            window_bounds: Some(WindowBounds::Windowed(Bounds::centered(
-                None,
-                size(px(900.0), px(680.0)),
-                cx,
-            ))),
-            #[cfg(target_os = "linux")]
-            window_background: WindowBackgroundAppearance::Transparent,
-            #[cfg(target_os = "linux")]
-            window_decorations: Some(WindowDecorations::Client),
-            kind: WindowKind::Normal,
-            ..Default::default()
-        })
-        .expect("Failed to set window options.");
+async fn handle_metadata(buffer: HashSet<PublicKey>) {
+    let client = get_client();
 
-    if is_login {
-        _ = cx.open_window(opts, |window, cx| {
-            window.set_window_title(APP_NAME);
-            window.set_app_id(APP_ID);
+    let opts = SubscribeAutoCloseOptions::default()
+        .exit_policy(ReqExitPolicy::ExitOnEOSE)
+        .idle_timeout(Some(Duration::from_secs(2)));
 
-            #[cfg(not(target_os = "linux"))]
-            window
-                .observe_window_appearance(|window, cx| {
-                    Theme::sync_system_appearance(Some(window), cx);
-                })
-                .detach();
+    let filter = Filter::new()
+        .authors(buffer.iter().cloned())
+        .limit(buffer.len() * 2)
+        .kinds(vec![Kind::Metadata, Kind::Custom(DEVICE_ANNOUNCEMENT_KIND)]);
 
-            cx.new(|cx| Root::new(app::init(window, cx).into(), window, cx))
-        });
-    } else {
-        _ = cx.open_window(opts, |window, cx| {
-            window.set_window_title(APP_NAME);
-            window.set_app_id(APP_ID);
-            window
-                .observe_window_appearance(|window, cx| {
-                    Theme::sync_system_appearance(Some(window), cx);
-                })
-                .detach();
-
-            cx.new(|cx| Root::new(onboarding::init(window, cx).into(), window, cx))
-        });
-    };
-
-    Ok(())
+    if let Err(e) = client.subscribe(filter, Some(opts)).await {
+        log::error!("Failed to sync metadata: {e}");
+    }
 }
 
 fn quit(_: &Quit, cx: &mut App) {
-    info!("Gracefully quitting the application . . .");
+    log::info!("Gracefully quitting the application . . .");
     cx.quit();
 }

crates/app/src/views/app.rs

@@ -1,12 +1,10 @@
-use account::registry::Account;
+use global::get_client;
 use gpui::{
     actions, div, img, impl_internal_actions, prelude::FluentBuilder, px, App, AppContext, Axis,
     Context, Entity, InteractiveElement, IntoElement, ObjectFit, ParentElement, Render, Styled,
     StyledImage, Window,
 };
-use nostr_sdk::prelude::*;
 use serde::Deserialize;
-use state::get_client;
 use std::sync::Arc;
 use ui::{
     button::{Button, ButtonRounded, ButtonVariants},
@@ -16,7 +14,8 @@ use ui::{
     ContextModal, Icon, IconName, Root, Sizable, TitleBar,
 };
 
-use super::{chat, contacts, onboarding, profile, relays::Relays, settings, sidebar, welcome};
+use super::{chat, contacts, onboarding, profile, relays, settings, sidebar, welcome};
+use crate::device::Device;
 
 #[derive(Clone, PartialEq, Eq, Deserialize)]
 pub enum PanelKind {
@@ -40,6 +39,7 @@ impl AddPanel {
 
 // Dock actions
 impl_internal_actions!(dock, [AddPanel]);
+
 // Account actions
 actions!(account, [Logout]);
 
@@ -48,7 +48,6 @@ pub fn init(window: &mut Window, cx: &mut App) -> Entity<AppView> {
 }
 
 pub struct AppView {
-    relays: Entity<Option<Vec<String>>>,
     dock: Entity<DockArea>,
 }
 
@@ -83,85 +82,81 @@ impl AppView {
             view.set_center(center_panel, window, cx);
         });
 
-        cx.new(|cx| {
-            let relays = cx.new(|_| None);
-            let this = Self { relays, dock };
-
-            // Check user's messaging relays and determine user is ready for NIP17 or not.
-            // If not, show the setup modal and instruct user setup inbox relays
-            this.verify_user_relays(window, cx);
-
-            this
-        })
+        cx.new(|_| Self { dock })
     }
 
-    fn verify_user_relays(&self, window: &mut Window, cx: &mut Context<Self>) {
-        let Some(account) = Account::global(cx) else {
-            return;
-        };
-
-        let public_key = account.read(cx).get().public_key();
-        let client = get_client();
-        let window_handle = window.window_handle();
-        let (tx, rx) = oneshot::channel::<Option<Vec<String>>>();
-
-        cx.background_spawn(async move {
-            let filter = Filter::new()
-                .kind(Kind::InboxRelays)
-                .author(public_key)
-                .limit(1);
-
-            let relays = client
-                .database()
-                .query(filter)
-                .await
-                .ok()
-                .and_then(|events| events.first_owned())
-                .map(|event| {
-                    event
-                        .tags
-                        .filter_standardized(TagKind::Relay)
-                        .filter_map(|t| match t {
-                            TagStandard::Relay(url) => Some(url.to_string()),
-                            _ => None,
-                        })
-                        .collect::<Vec<_>>()
-                });
-
-            _ = tx.send(relays);
-        })
-        .detach();
-
-        cx.spawn(|this, mut cx| async move {
-            if let Ok(Some(relays)) = rx.await {
-                _ = cx.update(|cx| {
-                    _ = this.update(cx, |this, cx| {
-                        let relays = cx.new(|_| Some(relays));
-                        this.relays = relays;
-                        cx.notify();
-                    });
-                });
-            } else {
-                _ = cx.update_window(window_handle, |_, window, cx| {
-                    this.update(cx, |this: &mut Self, cx| {
-                        this.render_setup_relays(window, cx)
-                    })
-                });
-            }
-        })
-        .detach();
+    fn render_mode_btn(&self, cx: &mut Context<Self>) -> impl IntoElement {
+        Button::new("appearance")
+            .xsmall()
+            .ghost()
+            .map(|this| {
+                if cx.theme().appearance.is_dark() {
+                    this.icon(IconName::Sun)
+                } else {
+                    this.icon(IconName::Moon)
+                }
+            })
+            .on_click(cx.listener(|_, _, window, cx| {
+                if cx.theme().appearance.is_dark() {
+                    Theme::change(Appearance::Light, Some(window), cx);
+                } else {
+                    Theme::change(Appearance::Dark, Some(window), cx);
+                }
+            }))
     }
 
-    fn render_setup_relays(&self, window: &mut Window, cx: &mut Context<Self>) {
-        let relays = cx.new(|cx| Relays::new(None, window, cx));
+    fn render_account_btn(&self, cx: &mut Context<Self>) -> impl IntoElement {
+        Button::new("account")
+            .ghost()
+            .xsmall()
+            .reverse()
+            .icon(Icon::new(IconName::ChevronDownSmall))
+            .when_some(Device::global(cx), |this, account| {
+                this.when_some(account.read(cx).profile(), |this, profile| {
+                    this.child(
+                        img(profile.avatar.clone())
+                            .size_5()
+                            .rounded_full()
+                            .object_fit(ObjectFit::Cover),
+                    )
+                })
+            })
+            .popup_menu(move |this, _, _cx| {
+                this.menu(
+                    "Profile",
+                    Box::new(AddPanel::new(PanelKind::Profile, DockPlacement::Right)),
+                )
+                .menu(
+                    "Contacts",
+                    Box::new(AddPanel::new(PanelKind::Contacts, DockPlacement::Right)),
+                )
+                .menu(
+                    "Settings",
+                    Box::new(AddPanel::new(PanelKind::Settings, DockPlacement::Center)),
+                )
+                .separator()
+                .menu("Change account", Box::new(Logout))
+            })
+    }
+
+    fn render_relays_btn(&self, cx: &mut Context<Self>) -> impl IntoElement {
+        Button::new("relays")
+            .xsmall()
+            .ghost()
+            .icon(IconName::Relays)
+            .on_click(cx.listener(|this, _, window, cx| {
+                this.render_edit_relays(window, cx);
+            }))
+    }
+
+    fn render_edit_relays(&self, window: &mut Window, cx: &mut Context<Self>) {
+        let relays = relays::init(window, cx);
 
         window.open_modal(cx, move |this, window, cx| {
             let is_loading = relays.read(cx).loading();
 
-            this.keyboard(false)
-                .closable(false)
-                .width(px(420.))
-                .title("Your Messaging Relays are not configured")
+            this.width(px(420.))
+                .title("Edit your Messaging Relays")
                 .child(relays.clone())
                 .footer(
                     div()
@@ -184,109 +179,6 @@ impl AppView {
         });
     }
 
-    fn render_edit_relay(&self, window: &mut Window, cx: &mut Context<Self>) {
-        let relays = self.relays.read(cx).clone();
-        let view = cx.new(|cx| Relays::new(relays, window, cx));
-
-        window.open_modal(cx, move |this, window, cx| {
-            let is_loading = view.read(cx).loading();
-
-            this.width(px(420.))
-                .title("Edit your Messaging Relays")
-                .child(view.clone())
-                .footer(
-                    div()
-                        .p_2()
-                        .border_t_1()
-                        .border_color(cx.theme().base.step(cx, ColorScaleStep::FIVE))
-                        .child(
-                            Button::new("update_inbox_relays_btn")
-                                .label("Update")
-                                .primary()
-                                .bold()
-                                .rounded(ButtonRounded::Large)
-                                .w_full()
-                                .loading(is_loading)
-                                .on_click(window.listener_for(&view, |this, _, window, cx| {
-                                    this.update(window, cx);
-                                })),
-                        ),
-                )
-        });
-    }
-
-    fn render_appearance_button(
-        &self,
-        _window: &mut Window,
-        cx: &mut Context<Self>,
-    ) -> impl IntoElement {
-        Button::new("appearance")
-            .xsmall()
-            .ghost()
-            .map(|this| {
-                if cx.theme().appearance.is_dark() {
-                    this.icon(IconName::Sun)
-                } else {
-                    this.icon(IconName::Moon)
-                }
-            })
-            .on_click(cx.listener(|_, _, window, cx| {
-                if cx.theme().appearance.is_dark() {
-                    Theme::change(Appearance::Light, Some(window), cx);
-                } else {
-                    Theme::change(Appearance::Dark, Some(window), cx);
-                }
-            }))
-    }
-
-    fn render_relays_button(
-        &self,
-        _window: &mut Window,
-        cx: &mut Context<Self>,
-    ) -> impl IntoElement {
-        Button::new("relays")
-            .xsmall()
-            .ghost()
-            .icon(IconName::Relays)
-            .on_click(cx.listener(|this, _, window, cx| {
-                this.render_edit_relay(window, cx);
-            }))
-    }
-
-    fn render_account(&self, cx: &mut Context<Self>) -> impl IntoElement {
-        Button::new("account")
-            .ghost()
-            .xsmall()
-            .reverse()
-            .icon(Icon::new(IconName::ChevronDownSmall))
-            .when_some(Account::global(cx), |this, account| {
-                let profile = account.read(cx).get();
-
-                this.child(
-                    img(profile.avatar())
-                        .size_5()
-                        .rounded_full()
-                        .object_fit(ObjectFit::Cover),
-                )
-            })
-            .popup_menu(move |this, _, _cx| {
-                this.menu(
-                    "Profile",
-                    Box::new(AddPanel::new(PanelKind::Profile, DockPlacement::Right)),
-                )
-                .menu(
-                    "Contacts",
-                    Box::new(AddPanel::new(PanelKind::Contacts, DockPlacement::Right)),
-                )
-                .menu(
-                    "Settings",
-                    Box::new(AddPanel::new(PanelKind::Settings, DockPlacement::Center)),
-                )
-                .separator()
-                .menu("Change account", Box::new(Logout))
-            })
-    }
-
     fn on_panel_action(&mut self, action: &AddPanel, window: &mut Window, cx: &mut Context<Self>) {
         match &action.panel {
             PanelKind::Room(id) => {
@@ -333,8 +225,9 @@ impl AppView {
         })
         .detach();
 
-        window.replace_root(cx, |window, cx| {
-            Root::new(onboarding::init(window, cx).into(), window, cx)
+        Root::update(window, cx, |this, window, cx| {
+            this.replace_view(onboarding::init(window, cx).into());
+            cx.notify();
         });
     }
 }
@@ -347,29 +240,37 @@ impl Render for AppView {
         div()
             .relative()
             .size_full()
-            .flex()
-            .flex_col()
-            // Main
             .child(
-                TitleBar::new()
-                    // Left side
-                    .child(div())
-                    // Right side
+                div()
+                    .flex()
+                    .flex_col()
+                    .size_full()
+                    // Title Bar
                     .child(
-                        div()
-                            .flex()
-                            .items_center()
-                            .justify_end()
-                            .gap_2()
-                            .px_2()
-                            .child(self.render_appearance_button(window, cx))
-                            .child(self.render_relays_button(window, cx))
-                            .child(self.render_account(cx)),
-                    ),
+                        TitleBar::new()
+                            // Left side
+                            .child(div())
+                            // Right side
+                            .child(
+                                div()
+                                    .flex()
+                                    .items_center()
+                                    .justify_end()
+                                    .gap_2()
+                                    .px_2()
+                                    .child(self.render_mode_btn(cx))
+                                    .child(self.render_relays_btn(cx))
+                                    .child(self.render_account_btn(cx)),
+                            ),
+                    )
+                    // Dock
+                    .child(self.dock.clone()),
             )
-            .child(self.dock.clone())
+            // Notifications
             .child(div().absolute().top_8().children(notification_layer))
+            // Modals
             .children(modal_layer)
+            // Actions
             .on_action(cx.listener(Self::on_panel_action))
             .on_action(cx.listener(Self::on_logout_action))
     }

crates/app/src/views/chat.rs

@@ -1,13 +1,12 @@
-use account::registry::Account;
 use anyhow::anyhow;
 use async_utility::task::spawn;
 use chats::{registry::ChatRegistry, room::Room};
 use common::{
-    constants::IMAGE_SERVICE,
     last_seen::LastSeen,
     profile::NostrProfile,
     utils::{compare, nip96_upload},
 };
+use global::{constants::IMAGE_SERVICE, get_client};
 use gpui::{
     div, img, list, prelude::FluentBuilder, px, relative, svg, white, AnyElement, App, AppContext,
     Context, Element, Entity, EventEmitter, Flatten, FocusHandle, Focusable, InteractiveElement,
@@ -18,7 +17,6 @@ use gpui::{
 use itertools::Itertools;
 use nostr_sdk::prelude::*;
 use smol::fs;
-use state::get_client;
 use std::sync::Arc;
 use ui::{
     button::{Button, ButtonRounded, ButtonVariants},
@@ -30,7 +28,8 @@ use ui::{
     v_flex, ContextModal, Icon, IconName, Sizable, StyledExt,
 };
 
-const ALERT: &str =
+const ALERT: &str = "has not set up Messaging (DM) Relays, so they will NOT receive your messages.";
+const DESCRIPTION: &str =
     "This conversation is private. Only members of this chat can see each other's messages.";
 
 pub fn init(
@@ -63,8 +62,8 @@ impl ParsedMessage {
         let created_at = LastSeen(created_at).human_readable();
 
         Self {
-            avatar: profile.avatar(),
-            display_name: profile.name(),
+            avatar: profile.avatar.clone(),
+            display_name: profile.name.clone(),
             created_at,
             content,
         }
@@ -99,7 +98,9 @@ pub struct Chat {
     // Chat Room
     room: WeakEntity<Room>,
     messages: Entity<Vec<Message>>,
+    seens: Entity<Vec<EventId>>,
     list_state: ListState,
+    #[allow(dead_code)]
     subscriptions: Vec<Subscription>,
     // New Message
     input: Entity<TextInput>,
@@ -116,6 +117,7 @@ impl Chat {
         cx: &mut App,
     ) -> Entity<Self> {
         let messages = cx.new(|_| vec![Message::placeholder()]);
+        let seens = cx.new(|_| vec![]);
         let attaches = cx.new(|_| None);
         let input = cx.new(|cx| {
             TextInput::new(window, cx)
@@ -125,15 +127,27 @@ impl Chat {
         });
 
         cx.new(|cx| {
-            let subscriptions = vec![cx.subscribe_in(
+            let mut subscriptions = Vec::with_capacity(2);
+
+            subscriptions.push(cx.subscribe_in(
                 &input,
                 window,
-                move |this: &mut Chat, _, input_event, window, cx| {
-                    if let InputEvent::PressEnter = input_event {
+                move |this: &mut Self, _, event, window, cx| {
+                    if let InputEvent::PressEnter = event {
                         this.send_message(window, cx);
                     }
                 },
-            )];
+            ));
+
+            if let Some(room) = room.upgrade() {
+                subscriptions.push(cx.subscribe_in(
+                    &room,
+                    window,
+                    move |this: &mut Self, _, event, window, cx| {
+                        this.push_message(&event.event, window, cx);
+                    },
+                ));
+            }
 
             // Initialize list state
             // [item_count] always equal to 1 at the beginning
@@ -147,12 +161,13 @@ impl Chat {
                 }
             });
 
-            let mut this = Self {
+            let this = Self {
                 focus_handle: cx.focus_handle(),
                 is_uploading: false,
                 id: id.to_string().into(),
                 room,
                 messages,
+                seens,
                 list_state,
                 input,
                 attaches,
@@ -165,9 +180,6 @@ impl Chat {
             // Load all messages from database
             this.load_messages(cx);
 
-            // Subscribe and load new messages
-            this.load_new_messages(cx);
-
             this
         })
     }
@@ -177,55 +189,25 @@ impl Chat {
             return;
         };
 
-        let client = get_client();
-        let (tx, rx) = oneshot::channel::<Vec<(PublicKey, bool)>>();
-
-        let pubkeys: Vec<PublicKey> = model
-            .read(cx)
-            .members
-            .iter()
-            .map(|m| m.public_key())
-            .collect();
-
-        cx.background_spawn(async move {
-            let mut result = Vec::new();
-
-            for pubkey in pubkeys.into_iter() {
-                let filter = Filter::new()
-                    .kind(Kind::InboxRelays)
-                    .author(pubkey)
-                    .limit(1);
-
-                let is_ready = if let Ok(events) = client.database().query(filter).await {
-                    events.first_owned().is_some()
-                } else {
-                    false
-                };
-
-                result.push((pubkey, is_ready));
-            }
-
-            _ = tx.send(result);
-        })
-        .detach();
+        let room = model.read(cx);
+        let task = room.verify_inbox_relays(cx);
 
         cx.spawn(|this, cx| async move {
-            if let Ok(result) = rx.await {
+            if let Ok(result) = task.await {
                 _ = cx.update(|cx| {
                     _ = this.update(cx, |this, cx| {
-                        for item in result.into_iter() {
+                        result.into_iter().for_each(|item| {
                             if !item.1 {
-                                let name = this
-                                    .room
-                                    .read_with(cx, |this, _| this.name().unwrap_or("Unnamed".into()))
-                                    .unwrap_or("Unnamed".into());
-
-                                this.push_system_message(
-                                    format!("{} has not set up Messaging (DM) Relays, so they will NOT receive your messages.", name),
-                                    cx,
-                                );
+                                if let Ok(Some(member)) =
+                                    this.room.read_with(cx, |this, _| this.member(&item.0))
+                                {
+                                    this.push_system_message(
+                                        format!("{} {}", member.name, ALERT),
+                                        cx,
+                                    );
+                                }
                             }
-                        }
+                        });
                     });
                 });
             }
@@ -239,30 +221,10 @@ impl Chat {
         };
 
         let room = model.read(cx);
-        let client = get_client();
-        let (tx, rx) = oneshot::channel::<Events>();
-
-        let pubkeys = room
-            .members
-            .iter()
-            .map(|m| m.public_key())
-            .collect::<Vec<_>>();
-
-        let filter = Filter::new()
-            .kind(Kind::PrivateDirectMessage)
-            .authors(pubkeys.iter().copied())
-            .pubkeys(pubkeys);
-
-        cx.background_spawn(async move {
-            let Ok(events) = client.database().query(filter).await else {
-                return;
-            };
-            _ = tx.send(events);
-        })
-        .detach();
+        let task = room.load_messages(cx);
 
         cx.spawn(|this, cx| async move {
-            if let Ok(events) = rx.await {
+            if let Ok(events) = task.await {
                 _ = cx.update(|cx| {
                     _ = this.update(cx, |this, cx| {
                         this.push_messages(events, cx);
@@ -285,29 +247,36 @@ impl Chat {
         self.list_state.splice(old_len..old_len, 1);
     }
 
-    fn push_message(&self, content: String, window: &mut Window, cx: &mut Context<Self>) {
-        let Some(account) = Account::global(cx) else {
+    fn push_message(&mut self, event: &Event, _window: &mut Window, cx: &mut Context<Self>) {
+        let Some(model) = self.room.upgrade() else {
             return;
         };
 
-        let old_len = self.messages.read(cx).len();
-        let profile = account.read(cx).get();
-        let message = Message::new(ParsedMessage::new(profile, &content, Timestamp::now()));
+        // Prevent duplicate messages
+        if self.seens.read(cx).iter().any(|id| id == &event.id) {
+            return;
+        }
+        // Add ID to seen list
+        self.seen(event.id, cx);
+
+        let old_len = self.messages.read(cx).len();
+        let room = model.read(cx);
+
+        let profile = room
+            .member(&event.pubkey)
+            .unwrap_or(NostrProfile::new(event.pubkey, Metadata::default()));
+
+        let message = Message::new(ParsedMessage::new(
+            &profile,
+            &event.content,
+            Timestamp::now(),
+        ));
 
-        // Update message list
         cx.update_entity(&self.messages, |this, cx| {
             this.extend(vec![message]);
             cx.notify();
         });
 
-        // Reset message input
-        cx.update_entity(&self.input, |this, cx| {
-            this.set_loading(false, window, cx);
-            this.set_disabled(false, window, cx);
-            this.set_text("", window, cx);
-            cx.notify();
-        });
-
         self.list_state.splice(old_len..old_len, 1);
     }
 
@@ -317,12 +286,7 @@ impl Chat {
         };
 
         let room = model.read(cx);
-        let pubkeys = room
-            .members
-            .iter()
-            .map(|m| m.public_key())
-            .collect::<Vec<_>>();
-
+        let pubkeys = room.public_keys();
         let old_len = self.messages.read(cx).len();
 
         let (messages, new_len) = {
@@ -339,7 +303,7 @@ impl Chat {
 
                     room.members
                         .iter()
-                        .find(|m| m.public_key() == ev.pubkey)
+                        .find(|m| m.public_key == ev.pubkey)
                         .map(|member| {
                             Message::new(ParsedMessage::new(member, &ev.content, ev.created_at))
                         })
@@ -360,75 +324,13 @@ impl Chat {
         self.list_state.splice(old_len..old_len, new_len);
     }
 
-    fn load_new_messages(&mut self, cx: &mut Context<Self>) {
-        let Some(room) = self.room.upgrade() else {
-            return;
-        };
-
-        let subscription = cx.observe(&room, |view, this, cx| {
-            let room = this.read(cx);
-
-            if room.new_messages.is_empty() {
-                return;
-            };
-
-            let old_messages = view.messages.read(cx);
-            let old_len = old_messages.len();
-
-            let items: Vec<Message> = this
-                .read(cx)
-                .new_messages
-                .iter()
-                .filter_map(|event| {
-                    if let Some(profile) = room.member(&event.pubkey) {
-                        let message = Message::new(ParsedMessage::new(
-                            &profile,
-                            &event.content,
-                            event.created_at,
-                        ));
-
-                        if !old_messages.iter().any(|old| old == &message) {
-                            Some(message)
-                        } else {
-                            None
-                        }
-                    } else {
-                        None
-                    }
-                })
-                .collect();
-
-            let total = items.len();
-
-            cx.update_entity(&view.messages, |this, cx| {
-                let messages: Vec<Message> = items
-                    .into_iter()
-                    .filter_map(|new| {
-                        if !this.iter().any(|old| old == &new) {
-                            Some(new)
-                        } else {
-                            None
-                        }
-                    })
-                    .collect();
-
-                this.extend(messages);
-                cx.notify();
-            });
-
-            view.list_state.splice(old_len..old_len, total);
-        });
-
-        self.subscriptions.push(subscription);
-    }
-
     fn send_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         let Some(model) = self.room.upgrade() else {
             return;
         };
 
         // Get message
-        let mut content = self.input.read(cx).text();
+        let mut content = self.input.read(cx).text().to_string();
 
         // Get all attaches and merge its with message
         if let Some(attaches) = self.attaches.read(cx).as_ref() {
@@ -438,7 +340,7 @@ impl Chat {
                 .collect::<Vec<_>>()
                 .join("\n");
 
-            content = format!("{}\n{}", content, merged).into()
+            content = format!("{}\n{}", content, merged)
         }
 
         if content.is_empty() {
@@ -453,57 +355,25 @@ impl Chat {
         });
 
         let room = model.read(cx);
-        // let subject = Tag::from_standardized_without_cell(TagStandard::Subject(room.title.clone()));
-        let pubkeys = room.public_keys();
-        let async_content = content.clone().to_string();
-
-        let client = get_client();
+        let task = room.send_message(content, cx);
         let window_handle = window.window_handle();
-        let (tx, rx) = oneshot::channel::<Vec<Error>>();
-
-        // Send message to all pubkeys
-        cx.background_spawn(async move {
-            let signer = client.signer().await.unwrap();
-            let public_key = signer.get_public_key().await.unwrap();
-
-            let mut errors = Vec::new();
-
-            let tags: Vec<Tag> = pubkeys
-                .iter()
-                .filter_map(|pubkey| {
-                    if pubkey != &public_key {
-                        Some(Tag::public_key(*pubkey))
-                    } else {
-                        None
-                    }
-                })
-                .collect();
-
-            for pubkey in pubkeys.iter() {
-                if let Err(e) = client
-                    .send_private_msg(*pubkey, &async_content, tags.clone())
-                    .await
-                {
-                    errors.push(e);
-                }
-            }
-
-            _ = tx.send(errors);
-        })
-        .detach();
 
         cx.spawn(|this, mut cx| async move {
-            _ = cx.update_window(window_handle, |_, window, cx| {
-                _ = this.update(cx, |this, cx| {
-                    this.push_message(content.to_string(), window, cx);
-                });
-            });
-
-            if let Ok(errors) = rx.await {
+            if let Ok(msgs) = task.await {
                 _ = cx.update_window(window_handle, |_, window, cx| {
-                    for error in errors.into_iter() {
+                    _ = this.update(cx, |this, cx| {
+                        // Reset message input
+                        cx.update_entity(&this.input, |this, cx| {
+                            this.set_loading(false, window, cx);
+                            this.set_disabled(false, window, cx);
+                            this.set_text("", window, cx);
+                            cx.notify();
+                        });
+                    });
+
+                    for item in msgs.into_iter() {
                         window.push_notification(
-                            Notification::error(error.to_string()).title("Message Failed to Send"),
+                            Notification::error(item).title("Message Failed to Send"),
                             cx,
                         );
                     }
@@ -590,6 +460,13 @@ impl Chat {
         cx.notify();
     }
 
+    fn seen(&mut self, id: EventId, cx: &mut Context<Self>) {
+        self.seens.update(cx, |this, cx| {
+            this.push(id);
+            cx.notify();
+        });
+    }
+
     fn render_message(
         &self,
         ix: usize,
@@ -659,7 +536,7 @@ impl Chat {
                                 .group_hover("", |this| this.bg(cx.theme().danger)),
                         )
                         .child(
-                            img("brand/avatar.png")
+                            img("brand/avatar.jpg")
                                 .size_8()
                                 .rounded_full()
                                 .flex_shrink_0(),
@@ -684,7 +561,7 @@ impl Chat {
                                 .size_8()
                                 .text_color(cx.theme().base.step(cx, ColorScaleStep::THREE)),
                         )
-                        .child(ALERT),
+                        .child(DESCRIPTION),
                 })
         } else {
             div()
@@ -700,8 +577,11 @@ impl Panel for Chat {
     fn title(&self, cx: &App) -> AnyElement {
         self.room
             .read_with(cx, |this, _| {
-                let facepill: Vec<SharedString> =
-                    this.members.iter().map(|member| member.avatar()).collect();
+                let facepill: Vec<SharedString> = this
+                    .members
+                    .iter()
+                    .map(|member| member.avatar.clone())
+                    .collect();
 
                 div()
                     .flex()

crates/app/src/views/contacts.rs

@@ -1,11 +1,11 @@
 use common::profile::NostrProfile;
+use global::get_client;
 use gpui::{
     div, img, prelude::FluentBuilder, px, uniform_list, AnyElement, App, AppContext, Context,
     Entity, EventEmitter, FocusHandle, Focusable, InteractiveElement, IntoElement, ParentElement,
     Render, SharedString, Styled, Window,
 };
 use nostr_sdk::prelude::*;
-use state::get_client;
 use ui::{
     button::Button,
     dock_area::panel::{Panel, PanelEvent},
@@ -141,9 +141,9 @@ impl Render for Contacts {
                                                 .child(
                                                     div()
                                                         .flex_shrink_0()
-                                                        .child(img(item.avatar()).size_6()),
+                                                        .child(img(item.avatar).size_6()),
                                                 )
-                                                .child(item.name()),
+                                                .child(item.name),
                                         )
                                         .hover(|this| {
                                             this.bg(cx.theme().base.step(cx, ColorScaleStep::THREE))

crates/app/src/views/mod.rs

@@ -1,10 +1,11 @@
 mod chat;
 mod contacts;
 mod profile;
-mod relays;
 mod settings;
 mod sidebar;
 mod welcome;
 
 pub mod app;
 pub mod onboarding;
+pub mod relays;
+pub mod startup;

crates/app/src/views/onboarding.rs

@@ -1,185 +1,161 @@
-use account::registry::Account;
 use common::qr::create_qr;
 use gpui::{
-    div, img, prelude::FluentBuilder, relative, svg, App, AppContext, ClipboardItem, Context, Div,
-    Entity, IntoElement, ParentElement, Render, Styled, Subscription, Window,
+    div, img, prelude::FluentBuilder, relative, svg, App, AppContext, Context, Entity, IntoElement,
+    ParentElement, Render, SharedString, Styled, Subscription, Window,
 };
 use nostr_connect::prelude::*;
+use smallvec::{smallvec, SmallVec};
 use std::{path::PathBuf, sync::Arc, time::Duration};
 use ui::{
     button::{Button, ButtonCustomVariant, ButtonVariants},
     input::{InputEvent, TextInput},
-    notification::NotificationType,
     theme::{scale::ColorScaleStep, ActiveTheme},
-    ContextModal, Root, Size, StyledExt,
+    Disableable, Size, StyledExt,
 };
 
-use super::app;
+use crate::device::Device;
 
 const LOGO_URL: &str = "brand/coop.svg";
 const TITLE: &str = "Welcome to Coop!";
 const SUBTITLE: &str = "A Nostr client for secure communication.";
-const ALPHA_MESSAGE: &str =
-    "Coop is in the alpha stage of development; It may contain bugs, unfinished features, or unexpected behavior.";
-
-const JOIN_URL: &str = "https://start.njump.me/";
+// TODO: Replace it with Persona Mobile App
+const NSTART_URL: &str =
+    "https://start.njump.me?an=Coop&at=ios&ac=coop&afb=yes&asf=yes&aan=null&aac=null&arr=wss://relay.damus.io&awr=wss://relay.primal.net,wss://purplerelay.com,wss://offchain.pub";
 
 pub fn init(window: &mut Window, cx: &mut App) -> Entity<Onboarding> {
     Onboarding::new(window, cx)
 }
 
+enum PageKind {
+    Bunker,
+    Connect,
+    Selection,
+}
+
 pub struct Onboarding {
-    app_keys: Keys,
-    connect_uri: NostrConnectURI,
-    qr_path: Option<PathBuf>,
-    nsec_input: Entity<TextInput>,
-    use_connect: bool,
-    use_privkey: bool,
+    bunker_input: Entity<TextInput>,
+    connect_url: Entity<Option<PathBuf>>,
+    error_message: Entity<Option<SharedString>>,
+    open: PageKind,
     is_loading: bool,
     #[allow(dead_code)]
-    subscriptions: Vec<Subscription>,
+    subscriptions: SmallVec<[Subscription; 1]>,
 }
 
 impl Onboarding {
     pub fn new(window: &mut Window, cx: &mut App) -> Entity<Self> {
-        let app_keys = Keys::generate();
+        let connect_url = cx.new(|_| None);
+        let error_message = cx.new(|_| None);
+        let bunker_input = cx.new(|cx| {
+            TextInput::new(window, cx)
+                .text_size(Size::XSmall)
+                .placeholder("bunker://<pubkey>?relay=wss://relay.example.com")
+        });
 
-        let connect_uri = NostrConnectURI::client(
+        cx.new(|cx| {
+            let mut subscriptions = smallvec![];
+
+            subscriptions.push(cx.subscribe_in(
+                &bunker_input,
+                window,
+                move |this: &mut Self, _, input_event, window, cx| {
+                    if let InputEvent::PressEnter = input_event {
+                        this.connect(window, cx);
+                    }
+                },
+            ));
+
+            Self {
+                bunker_input,
+                connect_url,
+                error_message,
+                subscriptions,
+                open: PageKind::Selection,
+                is_loading: false,
+            }
+        })
+    }
+
+    fn login(&self, signer: NostrConnect, _window: &mut Window, cx: &mut Context<Self>) {
+        let Some(device) = Device::global(cx) else {
+            return;
+        };
+
+        let entity = cx.weak_entity();
+
+        device.update(cx, |this, cx| {
+            let login = this.login(signer, cx);
+
+            cx.spawn(|_, cx| async move {
+                if let Err(e) = login.await {
+                    cx.update(|cx| {
+                        entity
+                            .update(cx, |this, cx| {
+                                this.set_error(e.to_string(), cx);
+                                this.set_loading(false, cx);
+                            })
+                            .ok();
+                    })
+                    .ok();
+                }
+            })
+            .detach();
+        });
+    }
+
+    fn connect(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        let Some(model) = Device::global(cx) else {
+            return;
+        };
+
+        let text = self.bunker_input.read(cx).text().to_string();
+        let keys = Arc::unwrap_or_clone(model.read(cx).client_keys());
+
+        self.set_loading(true, cx);
+
+        let Ok(uri) = NostrConnectURI::parse(text) else {
+            self.set_loading(false, cx);
+            self.set_error("Bunker URL is invalid".to_owned(), cx);
+            return;
+        };
+
+        let Ok(signer) = NostrConnect::new(uri, keys, Duration::from_secs(300), None) else {
+            self.set_loading(false, cx);
+            self.set_error("Failed to establish connection".to_owned(), cx);
+            return;
+        };
+
+        self.login(signer, window, cx);
+    }
+
+    fn wait_for_connection(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        let app_keys = Keys::generate();
+        let url = NostrConnectURI::client(
             app_keys.public_key(),
             vec![RelayUrl::parse("wss://relay.nsec.app").unwrap()],
             "Coop",
         );
 
-        let nsec_input = cx.new(|cx| {
-            TextInput::new(window, cx)
-                .text_size(Size::XSmall)
-                .placeholder("nsec...")
+        // Create QR code and save it to a app directory
+        let qr_path = create_qr(url.to_string().as_str()).ok();
+
+        // Update QR code path
+        self.connect_url.update(cx, |this, cx| {
+            *this = qr_path;
+            cx.notify();
         });
 
-        // Save Connect URI as PNG file for display as QR Code
-        let qr_path = create_qr(connect_uri.to_string().as_str()).ok();
-
-        cx.new(|cx| {
-            // Handle Enter event for nsec input
-            let subscriptions = vec![cx.subscribe_in(
-                &nsec_input,
-                window,
-                move |this: &mut Self, _, input_event, window, cx| {
-                    if let InputEvent::PressEnter = input_event {
-                        this.login_with_private_key(window, cx);
-                    }
-                },
-            )];
-
-            Self {
-                app_keys,
-                connect_uri,
-                qr_path,
-                nsec_input,
-                use_connect: false,
-                use_privkey: false,
-                is_loading: false,
-                subscriptions,
-            }
-        })
-    }
-
-    fn login_with_nostr_connect(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        let uri = self.connect_uri.clone();
-        let app_keys = self.app_keys.clone();
-        let window_handle = window.window_handle();
-
-        // Show QR Code for login with Nostr Connect
-        self.use_connect(window, cx);
+        // Open Connect page
+        self.open(PageKind::Connect, window, cx);
 
         // Wait for connection
-        let (tx, rx) = oneshot::channel::<NostrConnect>();
-
-        cx.background_spawn(async move {
-            if let Ok(signer) = NostrConnect::new(uri, app_keys, Duration::from_secs(300), None) {
-                tx.send(signer).ok();
-            }
-        })
-        .detach();
-
-        cx.spawn(|this, cx| async move {
-            if let Ok(signer) = rx.await {
-                cx.spawn(|mut cx| async move {
-                    let signer = Arc::new(signer);
-
-                    if Account::login(signer, &cx).await.is_ok() {
-                        _ = cx.update_window(window_handle, |_, window, cx| {
-                            window.replace_root(cx, |window, cx| {
-                                Root::new(app::init(window, cx).into(), window, cx)
-                            });
-                        })
-                    }
-                })
-                .detach();
-            } else {
-                _ = cx.update(|cx| {
-                    _ = this.update(cx, |this, cx| {
-                        this.set_loading(false, cx);
-                    });
-                });
-            }
-        })
-        .detach();
-    }
-
-    fn login_with_private_key(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        let value = self.nsec_input.read(cx).text().to_string();
-        let window_handle = window.window_handle();
-
-        if !value.starts_with("nsec") || value.is_empty() {
-            window.push_notification((NotificationType::Warning, "Private Key is required"), cx);
-            return;
-        }
-
-        let keys = if let Ok(keys) = Keys::parse(&value) {
-            keys
+        if let Ok(signer) = NostrConnect::new(url, app_keys, Duration::from_secs(300), None) {
+            self.login(signer, window, cx);
         } else {
-            window.push_notification((NotificationType::Warning, "Private Key isn't valid"), cx);
-            return;
-        };
-
-        // Show loading spinner
-        self.set_loading(true, cx);
-
-        cx.spawn(|this, mut cx| async move {
-            let signer = Arc::new(keys);
-
-            if Account::login(signer, &cx).await.is_ok() {
-                _ = cx.update_window(window_handle, |_, window, cx| {
-                    window.replace_root(cx, |window, cx| {
-                        Root::new(app::init(window, cx).into(), window, cx)
-                    });
-                })
-            } else {
-                _ = cx.update(|cx| {
-                    _ = this.update(cx, |this, cx| {
-                        this.set_loading(false, cx);
-                    });
-                });
-            }
-        })
-        .detach();
-    }
-
-    fn use_connect(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
-        self.use_connect = true;
-        cx.notify();
-    }
-
-    fn use_privkey(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
-        self.use_privkey = true;
-        cx.notify();
-    }
-
-    fn reset(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
-        self.use_privkey = false;
-        self.use_connect = false;
-        cx.notify();
+            self.set_loading(false, cx);
+            self.set_error("Failed to establish connection".to_owned(), cx);
+            self.open(PageKind::Selection, window, cx);
+        }
     }
 
     fn set_loading(&mut self, status: bool, cx: &mut Context<Self>) {
@@ -187,158 +163,31 @@ impl Onboarding {
         cx.notify();
     }
 
-    fn render_selection(&self, window: &mut Window, cx: &mut Context<Self>) -> Div {
-        div()
-            .w_full()
-            .flex()
-            .flex_col()
-            .items_center()
-            .justify_center()
-            .gap_2()
-            .child(
-                Button::new("login_connect_btn")
-                    .label("Login with Nostr Connect")
-                    .primary()
-                    .w_full()
-                    .on_click(cx.listener(move |this, _, window, cx| {
-                        this.login_with_nostr_connect(window, cx);
-                    })),
-            )
-            .child(
-                Button::new("login_privkey_btn")
-                    .label("Login with Private Key")
-                    .custom(
-                        ButtonCustomVariant::new(window, cx)
-                            .color(cx.theme().base.step(cx, ColorScaleStep::THREE))
-                            .border(cx.theme().base.step(cx, ColorScaleStep::THREE))
-                            .hover(cx.theme().base.step(cx, ColorScaleStep::FOUR))
-                            .active(cx.theme().base.step(cx, ColorScaleStep::FIVE))
-                            .foreground(cx.theme().base.step(cx, ColorScaleStep::TWELVE)),
-                    )
-                    .w_full()
-                    .on_click(cx.listener(move |this, _, window, cx| {
-                        this.use_privkey(window, cx);
-                    })),
-            )
-            .child(
-                div()
-                    .my_2()
-                    .h_px()
-                    .rounded_md()
-                    .w_full()
-                    .bg(cx.theme().base.step(cx, ColorScaleStep::THREE)),
-            )
-            .child(
-                Button::new("join_btn")
-                    .label("Are you new? Join here!")
-                    .ghost()
-                    .w_full()
-                    .on_click(|_, _, cx| {
-                        cx.open_url(JOIN_URL);
-                    }),
-            )
+    fn set_error(&mut self, msg: String, cx: &mut Context<Self>) {
+        self.error_message.update(cx, |this, cx| {
+            *this = Some(msg.into());
+            cx.notify();
+        });
+
+        // Dismiss error message after 3 seconds
+        cx.spawn(|this, cx| async move {
+            cx.background_executor().timer(Duration::from_secs(3)).await;
+
+            _ = cx.update(|cx| {
+                this.update(cx, |this, cx| {
+                    this.error_message.update(cx, |this, cx| {
+                        *this = None;
+                        cx.notify();
+                    })
+                })
+            });
+        })
+        .detach();
     }
 
-    fn render_connect_login(&self, cx: &mut Context<Self>) -> Div {
-        let connect_string = self.connect_uri.to_string();
-
-        div()
-            .w_full()
-            .flex()
-            .flex_col()
-            .items_center()
-            .justify_center()
-            .gap_2()
-            .child(
-                div()
-                    .flex()
-                    .flex_col()
-                    .text_xs()
-                    .text_center()
-                    .child(
-                        div()
-                            .font_semibold()
-                            .line_height(relative(1.2))
-                            .child("Scan this QR Code in the Nostr Signer app"),
-                    )
-                    .child("Recommend: Amber (Android), nsec.app (web),..."),
-            )
-            .when_some(self.qr_path.clone(), |this, path| {
-                this.child(
-                    div()
-                        .mb_2()
-                        .p_2()
-                        .size_72()
-                        .flex()
-                        .flex_col()
-                        .items_center()
-                        .justify_center()
-                        .gap_2()
-                        .rounded_lg()
-                        .shadow_lg()
-                        .when(cx.theme().appearance.is_dark(), |this| {
-                            this.shadow_none()
-                                .border_1()
-                                .border_color(cx.theme().base.step(cx, ColorScaleStep::SIX))
-                        })
-                        .bg(cx.theme().background)
-                        .child(img(path).h_64()),
-                )
-            })
-            .child(
-                Button::new("copy")
-                    .label("Copy Connection String")
-                    .primary()
-                    .w_full()
-                    .on_click(move |_, _, cx| {
-                        cx.write_to_clipboard(ClipboardItem::new_string(connect_string.clone()))
-                    }),
-            )
-            .child(
-                Button::new("cancel")
-                    .label("Cancel")
-                    .ghost()
-                    .w_full()
-                    .on_click(cx.listener(move |this, _, window, cx| {
-                        this.reset(window, cx);
-                    })),
-            )
-    }
-
-    fn render_privkey_login(&self, cx: &mut Context<Self>) -> Div {
-        div()
-            .w_full()
-            .flex()
-            .flex_col()
-            .gap_2()
-            .child(
-                div()
-                    .flex()
-                    .flex_col()
-                    .gap_1()
-                    .text_xs()
-                    .child("Private Key:")
-                    .child(self.nsec_input.clone()),
-            )
-            .child(
-                Button::new("login")
-                    .label("Login")
-                    .primary()
-                    .w_full()
-                    .loading(self.is_loading)
-                    .on_click(cx.listener(move |this, _, window, cx| {
-                        this.login_with_private_key(window, cx);
-                    })),
-            )
-            .child(
-                Button::new("cancel")
-                    .label("Cancel")
-                    .ghost()
-                    .w_full()
-                    .on_click(cx.listener(move |this, _, window, cx| {
-                        this.reset(window, cx);
-                    })),
-            )
+    fn open(&mut self, kind: PageKind, _window: &mut Window, cx: &mut Context<Self>) {
+        self.open = kind;
+        cx.notify();
     }
 }
 
@@ -388,28 +237,163 @@ impl Render for Onboarding {
                                     ),
                             ),
                     )
-                    .child(
-                        div()
-                            .w_72()
-                            .map(|_| match (self.use_privkey, self.use_connect) {
-                                (true, _) => self.render_privkey_login(cx),
-                                (_, true) => self.render_connect_login(cx),
-                                _ => self.render_selection(window, cx),
-                            }),
-                    ),
-            )
-            .child(
-                div()
-                    .absolute()
-                    .bottom_2()
-                    .w_full()
-                    .flex()
-                    .items_center()
-                    .justify_center()
-                    .text_xs()
-                    .text_center()
-                    .text_color(cx.theme().base.step(cx, ColorScaleStep::ELEVEN))
-                    .child(ALPHA_MESSAGE),
+                    .child(div().w_72().w_full().flex().flex_col().gap_2().map(|this| {
+                        match self.open {
+                            PageKind::Connect => this
+                                .when_some(self.connect_url.read(cx).as_ref(), |this, path| {
+                                    this.child(
+                                        div()
+                                            .mb_2()
+                                            .p_2()
+                                            .size_72()
+                                            .flex()
+                                            .flex_col()
+                                            .items_center()
+                                            .justify_center()
+                                            .gap_2()
+                                            .rounded_lg()
+                                            .shadow_md()
+                                            .when(cx.theme().appearance.is_dark(), |this| {
+                                                this.shadow_none().border_1().border_color(
+                                                    cx.theme().base.step(cx, ColorScaleStep::SIX),
+                                                )
+                                            })
+                                            .bg(cx.theme().background)
+                                            .child(img(path.as_path()).h_64()),
+                                    )
+                                })
+                                .child(
+                                    div()
+                                        .text_xs()
+                                        .text_center()
+                                        .font_semibold()
+                                        .line_height(relative(1.2))
+                                        .child("Scan this QR to connect"),
+                                )
+                                .child(
+                                    Button::new("wait_for_connection")
+                                        .label("Waiting for connection")
+                                        .primary()
+                                        .w_full()
+                                        .loading(true)
+                                        .disabled(true),
+                                )
+                                .child(
+                                    Button::new("use_url")
+                                        .label("Use Bunker URL")
+                                        .custom(
+                                            ButtonCustomVariant::new(window, cx)
+                                                .color(
+                                                    cx.theme().base.step(cx, ColorScaleStep::THREE),
+                                                )
+                                                .border(
+                                                    cx.theme().base.step(cx, ColorScaleStep::THREE),
+                                                )
+                                                .hover(
+                                                    cx.theme().base.step(cx, ColorScaleStep::FOUR),
+                                                )
+                                                .active(
+                                                    cx.theme().base.step(cx, ColorScaleStep::FIVE),
+                                                )
+                                                .foreground(
+                                                    cx.theme()
+                                                        .base
+                                                        .step(cx, ColorScaleStep::TWELVE),
+                                                ),
+                                        )
+                                        .w_full()
+                                        .on_click(cx.listener(move |this, _, window, cx| {
+                                            this.open(PageKind::Bunker, window, cx);
+                                        })),
+                                )
+                                .child(
+                                    div()
+                                        .my_2()
+                                        .w_full()
+                                        .h_px()
+                                        .bg(cx.theme().base.step(cx, ColorScaleStep::THREE)),
+                                )
+                                .child(
+                                    Button::new("cancel")
+                                        .label("Cancel")
+                                        .ghost()
+                                        .w_full()
+                                        .on_click(cx.listener(move |this, _, window, cx| {
+                                            this.open(PageKind::Selection, window, cx);
+                                        })),
+                                ),
+                            PageKind::Bunker => this
+                                .child(
+                                    div()
+                                        .mb_2()
+                                        .flex()
+                                        .flex_col()
+                                        .gap_1()
+                                        .text_xs()
+                                        .child("Bunker URL:")
+                                        .child(self.bunker_input.clone())
+                                        .when_some(
+                                            self.error_message.read(cx).as_ref(),
+                                            |this, error| {
+                                                this.child(
+                                                    div()
+                                                        .my_1()
+                                                        .text_xs()
+                                                        .text_center()
+                                                        .text_color(cx.theme().danger)
+                                                        .child(error.clone()),
+                                                )
+                                            },
+                                        ),
+                                )
+                                .child(
+                                    Button::new("login")
+                                        .label("Login")
+                                        .primary()
+                                        .w_full()
+                                        .loading(self.is_loading)
+                                        .disabled(self.is_loading)
+                                        .on_click(cx.listener(move |this, _, window, cx| {
+                                            this.connect(window, cx);
+                                        })),
+                                )
+                                .child(
+                                    div()
+                                        .my_2()
+                                        .w_full()
+                                        .h_px()
+                                        .bg(cx.theme().base.step(cx, ColorScaleStep::THREE)),
+                                )
+                                .child(
+                                    Button::new("cancel")
+                                        .label("Cancel")
+                                        .ghost()
+                                        .w_full()
+                                        .on_click(cx.listener(move |this, _, window, cx| {
+                                            this.open(PageKind::Selection, window, cx);
+                                        })),
+                                ),
+                            PageKind::Selection => this
+                                .child(
+                                    Button::new("login_connect_btn")
+                                        .label("Login with Nostr Connect")
+                                        .primary()
+                                        .w_full()
+                                        .on_click(cx.listener(move |this, _, window, cx| {
+                                            this.wait_for_connection(window, cx);
+                                        })),
+                                )
+                                .child(
+                                    Button::new("join_btn")
+                                        .label("Are you new? Join here!")
+                                        .ghost()
+                                        .w_full()
+                                        .on_click(|_, _, cx| {
+                                            cx.open_url(NSTART_URL);
+                                        }),
+                                ),
+                        }
+                    })),
             )
     }
 }

crates/app/src/views/profile.rs

@@ -1,13 +1,13 @@
 use async_utility::task::spawn;
-use common::{constants::IMAGE_SERVICE, utils::nip96_upload};
+use common::utils::nip96_upload;
+use global::{constants::IMAGE_SERVICE, get_client};
 use gpui::{
     div, img, prelude::FluentBuilder, AnyElement, App, AppContext, Context, Entity, EventEmitter,
     Flatten, FocusHandle, Focusable, IntoElement, ParentElement, PathPromptOptions, Render,
-    SharedString, Styled, Window,
+    SharedString, Styled, Task, Window,
 };
 use nostr_sdk::prelude::*;
 use smol::fs;
-use state::get_client;
 use std::{str::FromStr, sync::Arc, time::Duration};
 use ui::{
     button::{Button, ButtonVariants},
@@ -49,7 +49,7 @@ impl Profile {
             TextInput::new(window, cx)
                 .text_size(Size::XSmall)
                 .small()
-                .placeholder("https://example.com/avatar.png")
+                .placeholder("https://example.com/avatar.jpg")
         });
 
         let website_input = cx.new(|cx| {
@@ -79,30 +79,18 @@ impl Profile {
             };
 
             let client = get_client();
-            let (tx, rx) = oneshot::channel::<Option<Metadata>>();
+            let task: Task<Result<Option<Metadata>, Error>> = cx.background_spawn(async move {
+                let signer = client.signer().await?;
+                let public_key = signer.get_public_key().await?;
+                let metadata = client
+                    .fetch_metadata(public_key, Duration::from_secs(2))
+                    .await?;
 
-            cx.background_spawn(async move {
-                let result = async {
-                    let signer = client.signer().await?;
-                    let public_key = signer.get_public_key().await?;
-                    let metadata = client
-                        .fetch_metadata(public_key, Duration::from_secs(2))
-                        .await?;
-
-                    Ok::<_, anyhow::Error>(metadata)
-                }
-                .await;
-
-                if let Ok(metadata) = result {
-                    _ = tx.send(Some(metadata));
-                } else {
-                    _ = tx.send(None);
-                };
-            })
-            .detach();
+                Ok(metadata)
+            });
 
             cx.spawn(|this, mut cx| async move {
-                if let Ok(Some(metadata)) = rx.await {
+                if let Ok(Some(metadata)) = task.await {
                     _ = cx.update_window(window_handle, |_, window, cx| {
                         _ = this.update(cx, |this: &mut Profile, cx| {
                             this.avatar_input.update(cx, |this, cx| {
@@ -309,7 +297,7 @@ impl Render for Profile {
 
                         if picture.is_empty() {
                             this.child(
-                                img("brand/avatar.png")
+                                img("brand/avatar.jpg")
                                     .size_10()
                                     .rounded_full()
                                     .flex_shrink_0(),

crates/app/src/views/relays.rs

@@ -1,9 +1,12 @@
+use anyhow::{anyhow, Error};
+use global::{constants::NEW_MESSAGE_SUB_ID, get_client};
 use gpui::{
-    div, prelude::FluentBuilder, px, uniform_list, AppContext, Context, Entity, FocusHandle,
-    InteractiveElement, IntoElement, ParentElement, Render, Styled, TextAlign, Window,
+    div, prelude::FluentBuilder, px, uniform_list, App, AppContext, Context, Entity, FocusHandle,
+    InteractiveElement, IntoElement, ParentElement, Render, Styled, Subscription, Task, TextAlign,
+    Window,
 };
 use nostr_sdk::prelude::*;
-use state::get_client;
+use smallvec::{smallvec, SmallVec};
 use ui::{
     button::{Button, ButtonVariants},
     input::{InputEvent, TextInput},
@@ -11,108 +14,189 @@ use ui::{
     ContextModal, IconName, Sizable,
 };
 
+use crate::device::Device;
+
 const MESSAGE: &str = "In order to receive messages from others, you need to setup Messaging Relays. You can use the recommend relays or add more.";
+const HELP_TEXT: &str = "Please add some relays.";
+
+pub fn init(window: &mut Window, cx: &mut App) -> Entity<Relays> {
+    Relays::new(window, cx)
+}
 
 pub struct Relays {
-    relays: Entity<Vec<Url>>,
+    relays: Entity<Vec<RelayUrl>>,
     input: Entity<TextInput>,
     focus_handle: FocusHandle,
     is_loading: bool,
+    #[allow(dead_code)]
+    subscriptions: SmallVec<[Subscription; 1]>,
 }
 
 impl Relays {
-    pub fn new(
-        relays: Option<Vec<String>>,
-        window: &mut Window,
-        cx: &mut Context<'_, Self>,
-    ) -> Self {
-        let relays = cx.new(|_| {
-            if let Some(value) = relays {
-                value.into_iter().map(|v| Url::parse(&v).unwrap()).collect()
-            } else {
-                vec![
-                    Url::parse("wss://auth.nostr1.com").unwrap(),
-                    Url::parse("wss://relay.0xchat.com").unwrap(),
-                ]
-            }
+    pub fn new(window: &mut Window, cx: &mut App) -> Entity<Self> {
+        let client = get_client();
+
+        let relays = cx.new(|cx| {
+            let relays = vec![
+                RelayUrl::parse("wss://auth.nostr1.com").unwrap(),
+                RelayUrl::parse("wss://relay.0xchat.com").unwrap(),
+            ];
+
+            let task: Task<Result<Vec<RelayUrl>, Error>> = cx.background_spawn(async move {
+                let signer = client.signer().await?;
+                let public_key = signer.get_public_key().await?;
+
+                let filter = Filter::new()
+                    .kind(Kind::InboxRelays)
+                    .author(public_key)
+                    .limit(1);
+
+                if let Some(event) = client.database().query(filter).await?.first_owned() {
+                    let relays = event
+                        .tags
+                        .filter_standardized(TagKind::Relay)
+                        .filter_map(|t| match t {
+                            TagStandard::Relay(url) => Some(url.to_owned()),
+                            _ => None,
+                        })
+                        .collect::<Vec<_>>();
+
+                    Ok(relays)
+                } else {
+                    Err(anyhow!("Messaging Relays not found."))
+                }
+            });
+
+            cx.spawn(|this, cx| async move {
+                if let Ok(relays) = task.await {
+                    _ = cx.update(|cx| {
+                        _ = this.update(cx, |this: &mut Vec<RelayUrl>, cx| {
+                            *this = relays;
+                            cx.notify();
+                        });
+                    });
+                }
+            })
+            .detach();
+
+            relays
         });
 
         let input = cx.new(|cx| {
             TextInput::new(window, cx)
                 .text_size(ui::Size::XSmall)
                 .small()
-                .placeholder("wss://...")
+                .placeholder("wss://example.com")
         });
 
-        cx.subscribe_in(&input, window, move |this, _, input_event, window, cx| {
-            if let InputEvent::PressEnter = input_event {
-                this.add(window, cx);
+        cx.new(|cx| {
+            let mut subscriptions = smallvec![];
+
+            subscriptions.push(cx.subscribe_in(
+                &input,
+                window,
+                move |this: &mut Relays, _, input_event, window, cx| {
+                    if let InputEvent::PressEnter = input_event {
+                        this.add(window, cx);
+                    }
+                },
+            ));
+
+            Self {
+                relays,
+                input,
+                subscriptions,
+                is_loading: false,
+                focus_handle: cx.focus_handle(),
             }
         })
-        .detach();
-
-        Self {
-            relays,
-            input,
-            is_loading: false,
-            focus_handle: cx.focus_handle(),
-        }
     }
 
     pub fn update(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         let relays = self.relays.read(cx).clone();
         let window_handle = window.window_handle();
 
+        // Show loading spinner
         self.set_loading(true, cx);
 
-        let client = get_client();
-        let (tx, rx) = oneshot::channel();
-
-        cx.background_spawn(async move {
-            let signer = client.signer().await.expect("Signer is required");
-            let public_key = signer
-                .get_public_key()
-                .await
-                .expect("Cannot get public key");
+        let task: Task<Result<EventId, Error>> = cx.background_spawn(async move {
+            let client = get_client();
+            let signer = client.signer().await?;
+            let public_key = signer.get_public_key().await?;
 
             // If user didn't have any NIP-65 relays, add default ones
-            // TODO: Is this really necessary?
-            if let Ok(relay_list) = client.database().relay_list(public_key).await {
-                if relay_list.is_empty() {
-                    let builder = EventBuilder::relay_list(vec![
-                        (RelayUrl::parse("wss://relay.damus.io/").unwrap(), None),
-                        (RelayUrl::parse("wss://relay.primal.net/").unwrap(), None),
-                        (RelayUrl::parse("wss://nos.lol/").unwrap(), None),
-                    ]);
+            if client.database().relay_list(public_key).await?.is_empty() {
+                let builder = EventBuilder::relay_list(vec![
+                    (RelayUrl::parse("wss://relay.damus.io/").unwrap(), None),
+                    (RelayUrl::parse("wss://relay.primal.net/").unwrap(), None),
+                ]);
 
-                    if let Err(e) = client.send_event_builder(builder).await {
-                        log::error!("Failed to send relay list event: {}", e)
-                    }
+                if let Err(e) = client.send_event_builder(builder).await {
+                    log::error!("Failed to send relay list event: {}", e);
                 }
             }
 
             let tags: Vec<Tag> = relays
-                .into_iter()
+                .iter()
                 .map(|relay| Tag::custom(TagKind::Relay, vec![relay.to_string()]))
                 .collect();
 
             let builder = EventBuilder::new(Kind::InboxRelays, "").tags(tags);
+            let output = client.send_event_builder(builder).await?;
 
-            if let Ok(output) = client.send_event_builder(builder).await {
-                _ = tx.send(output.val);
-            };
-        })
-        .detach();
+            // Connect to messaging relays
+            for relay in relays.into_iter() {
+                _ = client.add_relay(&relay).await;
+                _ = client.connect_relay(&relay).await;
+            }
+
+            let sub_id = SubscriptionId::new(NEW_MESSAGE_SUB_ID);
+
+            // Close old subscription
+            client.unsubscribe(&sub_id).await;
+
+            // Subscribe to new messages
+            if let Err(e) = client
+                .subscribe_with_id(
+                    sub_id,
+                    Filter::new()
+                        .kind(Kind::GiftWrap)
+                        .pubkey(public_key)
+                        .limit(0),
+                    None,
+                )
+                .await
+            {
+                log::error!("Failed to subscribe to new messages: {}", e);
+            }
+
+            Ok(output.val)
+        });
 
         cx.spawn(|this, mut cx| async move {
-            if rx.await.is_ok() {
-                _ = cx.update_window(window_handle, |_, window, cx| {
+            if task.await.is_ok() {
+                cx.update_window(window_handle, |_, window, cx| {
                     _ = this.update(cx, |this, cx| {
                         this.set_loading(false, cx);
+                        cx.notify();
                     });
 
+                    if let Some(device) = Device::global(cx) {
+                        let relays = this
+                            .read_with(cx, |this, cx| this.relays.read(cx).clone())
+                            .unwrap();
+
+                        device.update(cx, |this, cx| {
+                            if let Some(profile) = this.profile() {
+                                let new_profile = profile.clone().relays(Some(relays.into()));
+                                this.set_profile(new_profile, cx);
+                            }
+                        })
+                    }
+
                     window.close_modal(cx);
-                });
+                })
+                .ok();
             }
         })
         .detach();
@@ -134,7 +218,7 @@ impl Relays {
             return;
         }
 
-        if let Ok(url) = Url::parse(&value) {
+        if let Ok(url) = RelayUrl::parse(&value) {
             self.relays.update(cx, |this, cx| {
                 if !this.contains(&url) {
                     this.push(url);
@@ -163,6 +247,7 @@ impl Render for Relays {
             .flex()
             .flex_col()
             .gap_2()
+            .w_full()
             .child(
                 div()
                     .px_2()
@@ -173,6 +258,7 @@ impl Render for Relays {
             .child(
                 div()
                     .px_2()
+                    .w_full()
                     .flex()
                     .flex_col()
                     .gap_2()
@@ -180,6 +266,7 @@ impl Render for Relays {
                         div()
                             .flex()
                             .items_center()
+                            .w_full()
                             .gap_2()
                             .child(self.input.clone())
                             .child(
@@ -247,6 +334,7 @@ impl Render for Relays {
                                         items
                                     },
                                 )
+                                .w_full()
                                 .min_h(px(120.)),
                             )
                         } else {
@@ -257,7 +345,7 @@ impl Render for Relays {
                                 .justify_center()
                                 .text_xs()
                                 .text_align(TextAlign::Center)
-                                .child("Please add some relays.")
+                                .child(HELP_TEXT)
                         }
                     }),
             )

crates/app/src/views/sidebar/compose.rs

@@ -1,15 +1,16 @@
-use async_utility::task::spawn;
 use chats::{registry::ChatRegistry, room::Room};
 use common::{profile::NostrProfile, utils::random_name};
+use global::{constants::DEVICE_ANNOUNCEMENT_KIND, get_client};
 use gpui::{
     div, img, impl_internal_actions, prelude::FluentBuilder, px, relative, uniform_list, App,
     AppContext, Context, Entity, FocusHandle, InteractiveElement, IntoElement, ParentElement,
-    Render, SharedString, StatefulInteractiveElement, Styled, Subscription, TextAlign, Window,
+    Render, SharedString, StatefulInteractiveElement, Styled, Subscription, Task, TextAlign,
+    Window,
 };
 use nostr_sdk::prelude::*;
 use serde::Deserialize;
+use smallvec::{smallvec, SmallVec};
 use smol::Timer;
-use state::get_client;
 use std::{collections::HashSet, time::Duration};
 use ui::{
     button::{Button, ButtonRounded},
@@ -18,7 +19,7 @@ use ui::{
     ContextModal, Icon, IconName, Sizable, Size, StyledExt,
 };
 
-const ALERT: &str =
+const DESCRIPTION: &str =
     "Start a conversation with someone using their npub or NIP-05 (like foo@bar.com).";
 
 #[derive(Clone, PartialEq, Eq, Deserialize)]
@@ -36,7 +37,7 @@ pub struct Compose {
     is_submitting: bool,
     error_message: Entity<Option<SharedString>>,
     #[allow(dead_code)]
-    subscriptions: Vec<Subscription>,
+    subscriptions: SmallVec<[Subscription; 1]>,
 }
 
 impl Compose {
@@ -44,7 +45,6 @@ impl Compose {
         let contacts = cx.new(|_| Vec::new());
         let selected = cx.new(|_| HashSet::new());
         let error_message = cx.new(|_| None);
-        let mut subscriptions = Vec::new();
 
         let title_input = cx.new(|cx| {
             let name = random_name(2);
@@ -64,17 +64,15 @@ impl Compose {
                 .placeholder("npub1...")
         });
 
+        let mut subscriptions = smallvec![];
+
         // Handle Enter event for user input
         subscriptions.push(cx.subscribe_in(
             &user_input,
             window,
-            move |this, input, input_event, window, cx| {
+            move |this, _, input_event, window, cx| {
                 if let InputEvent::PressEnter = input_event {
-                    if input.read(cx).text().contains("@") {
-                        this.add_nip05(window, cx);
-                    } else {
-                        this.add_npub(window, cx)
-                    }
+                    this.add(window, cx);
                 }
             },
         ));
@@ -148,50 +146,48 @@ impl Compose {
         }
 
         let tags = Tags::from_list(tag_list);
-        let client = get_client();
         let window_handle = window.window_handle();
-        let (tx, rx) = oneshot::channel::<Event>();
 
-        cx.background_spawn(async move {
-            let signer = client.signer().await.expect("Signer is required");
+        let event: Task<Result<Event, anyhow::Error>> = cx.background_spawn(async move {
+            let client = get_client();
+            let signer = client.signer().await?;
             // [IMPORTANT]
             // Make sure this event is never send,
             // this event existed just use for convert to Coop's Chat Room later.
-            if let Ok(event) = EventBuilder::private_msg_rumor(*pubkeys.last().unwrap(), "")
+            let event = EventBuilder::private_msg_rumor(*pubkeys.last().unwrap(), "")
                 .tags(tags)
                 .sign(&signer)
-                .await
-            {
-                _ = tx.send(event)
-            };
-        })
-        .detach();
+                .await?;
+
+            Ok(event)
+        });
 
         cx.spawn(|this, mut cx| async move {
-            if let Ok(event) = rx.await {
+            if let Ok(event) = event.await {
                 _ = cx.update_window(window_handle, |_, window, cx| {
                     // Stop loading spinner
                     _ = this.update(cx, |this, cx| {
                         this.set_submitting(false, cx);
                     });
 
-                    if let Some(chats) = ChatRegistry::global(cx) {
-                        let room = Room::new(&event, cx);
+                    let Some(chats) = ChatRegistry::global(cx) else {
+                        return;
+                    };
+                    let room = Room::new(&event, cx);
 
-                        chats.update(cx, |state, cx| {
-                            match state.push_room(room, cx) {
-                                Ok(_) => {
-                                    // TODO: open chat panel
-                                    window.close_modal(cx);
-                                }
-                                Err(e) => {
-                                    _ = this.update(cx, |this, cx| {
-                                        this.set_error(Some(e.to_string().into()), cx);
-                                    });
-                                }
+                    chats.update(cx, |state, cx| {
+                        match state.push_room(room, cx) {
+                            Ok(_) => {
+                                // TODO: automatically open newly created chat panel
+                                window.close_modal(cx);
                             }
-                        });
-                    }
+                            Err(e) => {
+                                _ = this.update(cx, |this, cx| {
+                                    this.set_error(Some(e.to_string().into()), cx);
+                                });
+                            }
+                        }
+                    });
                 });
             }
         })
@@ -210,130 +206,97 @@ impl Compose {
         self.is_submitting
     }
 
-    fn add_npub(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+    fn add(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        let client = get_client();
         let window_handle = window.window_handle();
         let content = self.user_input.read(cx).text().to_string();
 
         // Show loading spinner
         self.set_loading(true, cx);
 
-        let Ok(public_key) = PublicKey::parse(&content) else {
-            self.set_loading(false, cx);
-            self.set_error(Some("Public Key is not valid".into()), cx);
-            return;
+        let task: Task<Result<NostrProfile, anyhow::Error>> = if content.contains("@") {
+            cx.background_spawn(async move {
+                let profile = nip05::profile(&content, None).await?;
+                let public_key = profile.public_key;
+
+                let metadata = client
+                    .fetch_metadata(public_key, Duration::from_secs(2))
+                    .await?
+                    .unwrap_or_default();
+
+                Ok(NostrProfile::new(public_key, metadata))
+            })
+        } else {
+            let Ok(public_key) = PublicKey::parse(&content) else {
+                self.set_loading(false, cx);
+                self.set_error(Some("Public Key is not valid".into()), cx);
+                return;
+            };
+
+            cx.background_spawn(async move {
+                let metadata = client
+                    .fetch_metadata(public_key, Duration::from_secs(2))
+                    .await?
+                    .unwrap_or_default();
+
+                Ok(NostrProfile::new(public_key, metadata))
+            })
         };
 
-        if self
-            .contacts
-            .read(cx)
-            .iter()
-            .any(|c| c.public_key() == public_key)
-        {
-            self.set_loading(false, cx);
-            return;
-        };
-
-        let client = get_client();
-        let (tx, rx) = oneshot::channel::<Metadata>();
-
-        cx.background_spawn(async move {
-            let metadata = (client
-                .fetch_metadata(public_key, Duration::from_secs(2))
-                .await)
-                .unwrap_or_default();
-
-            _ = tx.send(metadata);
-        })
-        .detach();
-
         cx.spawn(|this, mut cx| async move {
-            if let Ok(metadata) = rx.await {
-                _ = cx.update_window(window_handle, |_, window, cx| {
-                    _ = this.update(cx, |this, cx| {
-                        this.contacts.update(cx, |this, cx| {
-                            this.insert(0, NostrProfile::new(public_key, metadata));
-                            cx.notify();
-                        });
+            match task.await {
+                Ok(profile) => {
+                    let public_key = profile.public_key;
 
-                        this.selected.update(cx, |this, cx| {
-                            this.insert(public_key);
-                            cx.notify();
-                        });
+                    _ = cx
+                        .background_spawn(async move {
+                            let opts = SubscribeAutoCloseOptions::default()
+                                .exit_policy(ReqExitPolicy::ExitOnEOSE);
 
-                        // Stop loading indicator
-                        this.set_loading(false, cx);
+                            // Create a device announcement filter
+                            let device = Filter::new()
+                                .kind(Kind::Custom(DEVICE_ANNOUNCEMENT_KIND))
+                                .author(public_key)
+                                .limit(1);
 
-                        // Clear input
-                        this.user_input.update(cx, |this, cx| {
-                            this.set_text("", window, cx);
-                            cx.notify();
+                            // Only subscribe to the latest device announcement
+                            client.subscribe(device, Some(opts)).await
+                        })
+                        .await;
+
+                    _ = cx.update_window(window_handle, |_, window, cx| {
+                        _ = this.update(cx, |this, cx| {
+                            let public_key = profile.public_key;
+
+                            this.contacts.update(cx, |this, cx| {
+                                this.insert(0, profile);
+                                cx.notify();
+                            });
+
+                            this.selected.update(cx, |this, cx| {
+                                this.insert(public_key);
+                                cx.notify();
+                            });
+
+                            // Stop loading indicator
+                            this.set_loading(false, cx);
+
+                            // Clear input
+                            this.user_input.update(cx, |this, cx| {
+                                this.set_text("", window, cx);
+                                cx.notify();
+                            });
                         });
                     });
-                });
-            }
-        })
-        .detach();
-    }
-
-    fn add_nip05(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        let window_handle = window.window_handle();
-        let content = self.user_input.read(cx).text().to_string();
-
-        // Show loading spinner
-        self.set_loading(true, cx);
-
-        let client = get_client();
-        let (tx, rx) = oneshot::channel::<Option<NostrProfile>>();
-
-        cx.background_spawn(async move {
-            spawn(async move {
-                if let Ok(profile) = nip05::profile(&content, None).await {
-                    let metadata = (client
-                        .fetch_metadata(profile.public_key, Duration::from_secs(2))
-                        .await)
-                        .unwrap_or_default();
-
-                    _ = tx.send(Some(NostrProfile::new(profile.public_key, metadata)));
-                } else {
-                    _ = tx.send(None);
                 }
-            });
-        })
-        .detach();
-
-        cx.spawn(|this, mut cx| async move {
-            if let Ok(Some(profile)) = rx.await {
-                _ = cx.update_window(window_handle, |_, window, cx| {
-                    _ = this.update(cx, |this, cx| {
-                        let public_key = profile.public_key();
-
-                        this.contacts.update(cx, |this, cx| {
-                            this.insert(0, profile);
-                            cx.notify();
-                        });
-
-                        this.selected.update(cx, |this, cx| {
-                            this.insert(public_key);
-                            cx.notify();
-                        });
-
-                        // Stop loading indicator
-                        this.set_loading(false, cx);
-
-                        // Clear input
-                        this.user_input.update(cx, |this, cx| {
-                            this.set_text("", window, cx);
-                            cx.notify();
+                Err(e) => {
+                    _ = cx.update_window(window_handle, |_, _, cx| {
+                        _ = this.update(cx, |this, cx| {
+                            this.set_loading(false, cx);
+                            this.set_error(Some(e.to_string().into()), cx);
                         });
                     });
-                });
-            } else {
-                _ = cx.update_window(window_handle, |_, _, cx| {
-                    _ = this.update(cx, |this, cx| {
-                        this.set_loading(false, cx);
-                        this.set_error(Some("NIP-05 Address is not valid".into()), cx);
-                    });
-                });
+                }
             }
         })
         .detach();
@@ -398,7 +361,7 @@ impl Render for Compose {
                     .px_2()
                     .text_xs()
                     .text_color(cx.theme().base.step(cx, ColorScaleStep::ELEVEN))
-                    .child(ALERT),
+                    .child(DESCRIPTION),
             )
             .when_some(self.error_message.read(cx).as_ref(), |this, msg| {
                 this.child(
@@ -442,11 +405,7 @@ impl Render for Compose {
                                     .rounded(ButtonRounded::Size(px(9999.)))
                                     .loading(self.is_loading)
                                     .on_click(cx.listener(|this, _, window, cx| {
-                                        if this.user_input.read(cx).text().contains("@") {
-                                            this.add_nip05(window, cx);
-                                        } else {
-                                            this.add_npub(window, cx);
-                                        }
+                                        this.add(window, cx);
                                     })),
                             )
                             .child(self.user_input.clone()),
@@ -493,7 +452,7 @@ impl Render for Compose {
 
                                         for ix in range {
                                             let item = contacts.get(ix).unwrap().clone();
-                                            let is_select = selected.contains(&item.public_key());
+                                            let is_select = selected.contains(&item.public_key);
 
                                             items.push(
                                                 div()
@@ -512,10 +471,10 @@ impl Render for Compose {
                                                             .text_xs()
                                                             .child(
                                                                 div().flex_shrink_0().child(
-                                                                    img(item.avatar()).size_6(),
+                                                                    img(item.avatar).size_6(),
                                                                 ),
                                                             )
-                                                            .child(item.name()),
+                                                            .child(item.name),
                                                     )
                                                     .when(is_select, |this| {
                                                         this.child(
@@ -536,7 +495,7 @@ impl Render for Compose {
                                                     .on_click(move |_, window, cx| {
                                                         window.dispatch_action(
                                                             Box::new(SelectContact(
-                                                                item.public_key(),
+                                                                item.public_key,
                                                             )),
                                                             cx,
                                                         );

crates/app/src/views/sidebar/mod.rs

@@ -1,15 +1,16 @@
 use chats::{registry::ChatRegistry, room::Room};
 use compose::Compose;
 use gpui::{
-    div, img, percentage, prelude::FluentBuilder, px, uniform_list, AnyElement, App, AppContext,
-    Context, Div, Empty, Entity, EventEmitter, FocusHandle, Focusable, InteractiveElement,
-    IntoElement, ParentElement, Render, SharedString, Stateful, StatefulInteractiveElement, Styled,
-    Window,
+    div, img, percentage, prelude::FluentBuilder, px, relative, uniform_list, AnyElement, App,
+    AppContext, Context, Div, Empty, Entity, EventEmitter, FocusHandle, Focusable,
+    InteractiveElement, IntoElement, ParentElement, Render, SharedString, Stateful,
+    StatefulInteractiveElement, Styled, Window,
 };
 use ui::{
     button::{Button, ButtonRounded, ButtonVariants},
     dock_area::panel::{Panel, PanelEvent},
     popup_menu::PopupMenu,
+    skeleton::Skeleton,
     theme::{scale::ColorScaleStep, ActiveTheme},
     ContextModal, Disableable, Icon, IconName, Sizable, StyledExt,
 };
@@ -116,8 +117,13 @@ impl Sidebar {
                         this.flex()
                             .items_center()
                             .gap_2()
-                            .child(img(member.avatar()).size_6().rounded_full().flex_shrink_0())
-                            .child(member.name())
+                            .child(
+                                img(member.avatar.clone())
+                                    .size_6()
+                                    .rounded_full()
+                                    .flex_shrink_0(),
+                            )
+                            .child(member.name.clone())
                     })
                 }
             }))
@@ -136,6 +142,20 @@ impl Sidebar {
             })
     }
 
+    fn render_skeleton(&self, total: i32) -> impl IntoIterator<Item = impl IntoElement> {
+        (0..total).map(|_| {
+            div()
+                .h_8()
+                .w_full()
+                .px_1()
+                .flex()
+                .items_center()
+                .gap_2()
+                .child(Skeleton::new().flex_shrink_0().size_6().rounded_full())
+                .child(Skeleton::new().w_20().h_3().rounded_sm())
+        })
+    }
+
     fn open(&self, id: u64, window: &mut Window, cx: &mut Context<Self>) {
         window.dispatch_action(
             Box::new(AddPanel::new(
@@ -261,28 +281,65 @@ impl Render for Sidebar {
                         this.flex_1()
                             .w_full()
                             .when_some(ChatRegistry::global(cx), |this, state| {
-                                let rooms = state.read(cx).rooms();
-                                let len = rooms.len();
+                                let is_loading = state.read(cx).is_loading();
+                                let len = state.read(cx).rooms().len();
 
-                                this.child(
-                                    uniform_list(
-                                        entity,
-                                        "rooms",
-                                        len,
-                                        move |this, range, _, cx| {
-                                            let mut items = vec![];
-
-                                            for ix in range {
-                                                if let Some(room) = rooms.get(ix) {
-                                                    items.push(this.render_room(ix, room, cx));
-                                                }
-                                            }
-
-                                            items
-                                        },
+                                if is_loading {
+                                    this.children(self.render_skeleton(5))
+                                } else if state.read(cx).rooms().is_empty() {
+                                    this.child(
+                                        div()
+                                            .px_1()
+                                            .w_full()
+                                            .h_20()
+                                            .flex()
+                                            .flex_col()
+                                            .items_center()
+                                            .justify_center()
+                                            .text_center()
+                                            .rounded(px(cx.theme().radius))
+                                            .bg(cx.theme().base.step(cx, ColorScaleStep::THREE))
+                                            .child(
+                                                div()
+                                                    .text_xs()
+                                                    .font_semibold()
+                                                    .line_height(relative(1.2))
+                                                    .child("No chats"),
+                                            )
+                                            .child(
+                                                div()
+                                                    .text_xs()
+                                                    .text_color(
+                                                        cx.theme()
+                                                            .base
+                                                            .step(cx, ColorScaleStep::ELEVEN),
+                                                    )
+                                                    .child("Recent chats will appear here."),
+                                            ),
                                     )
-                                    .size_full(),
-                                )
+                                } else {
+                                    this.child(
+                                        uniform_list(
+                                            entity,
+                                            "rooms",
+                                            len,
+                                            move |this, range, _, cx| {
+                                                let mut items = vec![];
+
+                                                for ix in range {
+                                                    if let Some(room) =
+                                                        state.read(cx).rooms().get(ix)
+                                                    {
+                                                        items.push(this.render_room(ix, room, cx));
+                                                    }
+                                                }
+
+                                                items
+                                            },
+                                        )
+                                        .size_full(),
+                                    )
+                                }
                             })
                     }),
             )

crates/app/src/views/startup.rs

@@ -0,0 +1,32 @@
+use gpui::{
+    div, svg, App, AppContext, Context, Entity, IntoElement, ParentElement, Render, Styled, Window,
+};
+use ui::theme::{scale::ColorScaleStep, ActiveTheme};
+
+pub fn init(window: &mut Window, cx: &mut App) -> Entity<Startup> {
+    Startup::new(window, cx)
+}
+
+pub struct Startup {}
+
+impl Startup {
+    pub fn new(_window: &mut Window, cx: &mut App) -> Entity<Self> {
+        cx.new(|_| Self {})
+    }
+}
+
+impl Render for Startup {
+    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        div()
+            .size_full()
+            .flex()
+            .items_center()
+            .justify_center()
+            .child(
+                svg()
+                    .path("brand/coop.svg")
+                    .size_12()
+                    .text_color(cx.theme().base.step(cx, ColorScaleStep::THREE)),
+            )
+    }
+}

crates/chats/Cargo.toml

@@ -6,7 +6,7 @@ publish = false
 
 [dependencies]
 common = { path = "../common" }
-state = { path = "../state" }
+global = { path = "../global" }
 
 gpui.workspace = true
 nostr-sdk.workspace = true
@@ -16,3 +16,4 @@ chrono.workspace = true
 smallvec.workspace = true
 smol.workspace = true
 oneshot.workspace = true
+log.workspace = true

crates/chats/src/registry.rs

@@ -1,11 +1,13 @@
-use crate::room::Room;
+use std::cmp::Reverse;
+
 use anyhow::anyhow;
 use common::{last_seen::LastSeen, utils::room_hash};
-use gpui::{App, AppContext, Context, Entity, Global, WeakEntity};
+use global::get_client;
+use gpui::{App, AppContext, Context, Entity, Global, Task, WeakEntity};
 use itertools::Itertools;
 use nostr_sdk::prelude::*;
-use state::get_client;
-use std::{cmp::Reverse, rc::Rc, sync::RwLock};
+
+use crate::room::{IncomingEvent, Room};
 
 pub fn init(cx: &mut App) {
     ChatRegistry::register(cx);
@@ -16,7 +18,7 @@ struct GlobalChatRegistry(Entity<ChatRegistry>);
 impl Global for GlobalChatRegistry {}
 
 pub struct ChatRegistry {
-    rooms: Rc<RwLock<Vec<Entity<Room>>>>,
+    rooms: Vec<Entity<Room>>,
     is_loading: bool,
 }
 
@@ -28,13 +30,7 @@ impl ChatRegistry {
 
     pub fn register(cx: &mut App) -> Entity<Self> {
         Self::global(cx).unwrap_or_else(|| {
-            let entity = cx.new(|cx| {
-                let mut this = Self::new(cx);
-                // Automatically load chat rooms the database when the registry is created
-                this.load_chat_rooms(cx);
-
-                this
-            });
+            let entity = cx.new(Self::new);
 
             // Set global state
             cx.set_global(GlobalChatRegistry(entity.clone()));
@@ -45,71 +41,56 @@ impl ChatRegistry {
 
     fn new(_cx: &mut Context<Self>) -> Self {
         Self {
-            rooms: Rc::new(RwLock::new(vec![])),
+            rooms: vec![],
             is_loading: true,
         }
     }
 
     pub fn current_rooms_ids(&self, cx: &mut Context<Self>) -> Vec<u64> {
-        self.rooms
-            .read()
-            .unwrap()
-            .iter()
-            .map(|room| room.read(cx).id)
-            .collect()
+        self.rooms.iter().map(|room| room.read(cx).id).collect()
     }
 
     pub fn load_chat_rooms(&mut self, cx: &mut Context<Self>) {
         let client = get_client();
-        let (tx, rx) = oneshot::channel::<Option<Vec<Event>>>();
 
-        cx.background_spawn(async move {
-            let result = async {
-                let signer = client.signer().await?;
-                let public_key = signer.get_public_key().await?;
+        let task: Task<Result<Vec<Event>, Error>> = cx.background_spawn(async move {
+            let signer = client.signer().await?;
+            let public_key = signer.get_public_key().await?;
 
-                let send = Filter::new()
-                    .kind(Kind::PrivateDirectMessage)
-                    .author(public_key);
+            let send = Filter::new()
+                .kind(Kind::PrivateDirectMessage)
+                .author(public_key);
 
-                let recv = Filter::new()
-                    .kind(Kind::PrivateDirectMessage)
-                    .pubkey(public_key);
+            let recv = Filter::new()
+                .kind(Kind::PrivateDirectMessage)
+                .pubkey(public_key);
 
-                let send_events = client.database().query(send).await?;
-                let recv_events = client.database().query(recv).await?;
+            let send_events = client.database().query(send).await?;
+            let recv_events = client.database().query(recv).await?;
+            let events = send_events.merge(recv_events);
 
-                Ok::<_, anyhow::Error>(send_events.merge(recv_events))
-            }
-            .await;
+            let result: Vec<Event> = events
+                .into_iter()
+                .filter(|ev| ev.tags.public_keys().peekable().peek().is_some())
+                .unique_by(room_hash)
+                .sorted_by_key(|ev| Reverse(ev.created_at))
+                .collect();
 
-            if let Ok(events) = result {
-                let result: Vec<Event> = events
-                    .into_iter()
-                    .filter(|ev| ev.tags.public_keys().peekable().peek().is_some())
-                    .unique_by(room_hash)
-                    .sorted_by_key(|ev| Reverse(ev.created_at))
-                    .collect();
-
-                _ = tx.send(Some(result));
-            } else {
-                _ = tx.send(None);
-            }
-        })
-        .detach();
+            Ok(result)
+        });
 
         cx.spawn(|this, cx| async move {
-            if let Ok(Some(events)) = rx.await {
-                if !events.is_empty() {
-                    _ = cx.update(|cx| {
-                        _ = this.update(cx, |this, cx| {
-                            let current_rooms = this.current_rooms_ids(cx);
+            if let Ok(events) = task.await {
+                _ = cx.update(|cx| {
+                    _ = this.update(cx, |this, cx| {
+                        if !events.is_empty() {
+                            let current_ids = this.current_rooms_ids(cx);
                             let items: Vec<Entity<Room>> = events
                                 .into_iter()
                                 .filter_map(|ev| {
                                     let new = room_hash(&ev);
-                                    // Filter all seen events
-                                    if !current_rooms.iter().any(|this| this == &new) {
+                                    // Filter all seen rooms
+                                    if !current_ids.iter().any(|this| this == &new) {
                                         Some(Room::new(&ev, cx))
                                     } else {
                                         None
@@ -117,20 +98,25 @@ impl ChatRegistry {
                                 })
                                 .collect();
 
-                            this.rooms.write().unwrap().extend(items);
                             this.is_loading = false;
 
-                            cx.notify();
-                        });
+                            this.rooms.extend(items);
+                            this.rooms
+                                .sort_by_key(|room| Reverse(room.read(cx).last_seen()));
+                        } else {
+                            this.is_loading = false;
+                        }
+
+                        cx.notify();
                     });
-                }
+                });
             }
         })
         .detach();
     }
 
-    pub fn rooms(&self) -> Vec<Entity<Room>> {
-        self.rooms.read().unwrap().clone()
+    pub fn rooms(&self) -> &[Entity<Room>] {
+        &self.rooms
     }
 
     pub fn is_loading(&self) -> bool {
@@ -139,8 +125,6 @@ impl ChatRegistry {
 
     pub fn get(&self, id: &u64, cx: &App) -> Option<WeakEntity<Room>> {
         self.rooms
-            .read()
-            .unwrap()
             .iter()
             .find(|model| model.read(cx).id == *id)
             .map(|room| room.downgrade())
@@ -151,44 +135,40 @@ impl ChatRegistry {
         room: Entity<Room>,
         cx: &mut Context<Self>,
     ) -> Result<(), anyhow::Error> {
-        let mut rooms = self.rooms.write().unwrap();
-
-        if !rooms
+        if !self
+            .rooms
             .iter()
             .any(|current| current.read(cx) == room.read(cx))
         {
-            rooms.insert(0, room);
+            self.rooms.insert(0, room);
             cx.notify();
 
             Ok(())
         } else {
-            Err(anyhow!("Room is existed"))
+            Err(anyhow!("Room already exists"))
         }
     }
 
     pub fn push_message(&mut self, event: Event, cx: &mut Context<Self>) {
         let id = room_hash(&event);
-        let mut rooms = self.rooms.write().unwrap();
 
-        if let Some(room) = rooms.iter().find(|room| room.read(cx).id == id) {
+        if let Some(room) = self.rooms.iter().find(|room| room.read(cx).id == id) {
             room.update(cx, |this, cx| {
-                if let Some(last_seen) = Rc::get_mut(&mut this.last_seen) {
-                    *last_seen = LastSeen(event.created_at);
-                }
-                this.new_messages.push(event);
+                this.last_seen = LastSeen(event.created_at);
+                cx.emit(IncomingEvent { event });
                 cx.notify();
             });
 
-            // Re sort rooms by last seen
-            rooms.sort_by_key(|room| Reverse(room.read(cx).last_seen()));
-
-            cx.notify();
+            // Re-sort rooms by last seen
+            self.rooms
+                .sort_by_key(|room| Reverse(room.read(cx).last_seen()));
         } else {
-            let mut rooms = self.rooms.write().unwrap();
             let new_room = Room::new(&event, cx);
 
-            rooms.insert(0, new_room);
-            cx.notify();
+            // Push the new room to the front of the list
+            self.rooms.insert(0, new_room);
         }
+
+        cx.notify();
     }
 }

crates/chats/src/room.rs

@@ -1,27 +1,32 @@
+use std::collections::HashSet;
+
+use anyhow::{anyhow, Error};
 use common::{
     last_seen::LastSeen,
     profile::NostrProfile,
-    utils::{random_name, room_hash},
+    utils::{device_pubkey, room_hash},
 };
-use gpui::{App, AppContext, Entity, SharedString};
+use global::{constants::DEVICE_ANNOUNCEMENT_KIND, get_client, get_device_keys};
+use gpui::{App, AppContext, Entity, EventEmitter, SharedString, Task};
 use nostr_sdk::prelude::*;
 use smallvec::{smallvec, SmallVec};
-use state::get_client;
-use std::{collections::HashSet, rc::Rc};
+
+#[derive(Debug, Clone)]
+pub struct IncomingEvent {
+    pub event: Event,
+}
 
 pub struct Room {
     pub id: u64,
-    pub last_seen: Rc<LastSeen>,
-    /// Subject of the room (Nostr)
-    pub title: String,
-    /// Display name of the room (used for display purposes in Coop)
-    pub display_name: Option<SharedString>,
+    pub last_seen: LastSeen,
+    /// Subject of the room
+    pub name: Option<SharedString>,
     /// All members of the room
     pub members: SmallVec<[NostrProfile; 2]>,
-    /// Store all new messages
-    pub new_messages: Vec<Event>,
 }
 
+impl EventEmitter<IncomingEvent> for Room {}
+
 impl PartialEq for Room {
     fn eq(&self, other: &Self) -> bool {
         self.id == other.id
@@ -31,79 +36,48 @@ impl PartialEq for Room {
 impl Room {
     pub fn new(event: &Event, cx: &mut App) -> Entity<Self> {
         let id = room_hash(event);
-        let last_seen = Rc::new(LastSeen(event.created_at));
-        // Get the subject from the event's tags, or create a random subject if none is found
-        let title = if let Some(tag) = event.tags.find(TagKind::Subject) {
-            tag.content()
-                .map(|s| s.to_owned())
-                .unwrap_or(random_name(2))
+        let last_seen = LastSeen(event.created_at);
+
+        // Get the subject from the event's tags
+        let name = if let Some(tag) = event.tags.find(TagKind::Subject) {
+            tag.content().map(|s| s.to_owned().into())
         } else {
-            random_name(2)
+            None
         };
 
+        // Create a task for loading metadata
+        let load_metadata = Self::load_metadata(event, cx);
+
         let room = cx.new(|cx| {
             let this = Self {
                 id,
                 last_seen,
-                title,
-                display_name: None,
+                name,
                 members: smallvec![],
-                new_messages: vec![],
             };
 
-            let mut pubkeys = vec![];
-
-            // Get all pubkeys from event's tags
-            pubkeys.extend(event.tags.public_keys().collect::<HashSet<_>>());
-            pubkeys.push(event.pubkey);
-
-            let client = get_client();
-            let (tx, rx) = oneshot::channel::<Vec<NostrProfile>>();
-
-            cx.background_spawn(async move {
-                let signer = client.signer().await.unwrap();
-                let signer_pubkey = signer.get_public_key().await.unwrap();
-                let mut profiles = vec![];
-
-                for public_key in pubkeys.into_iter() {
-                    if let Ok(result) = client.database().metadata(public_key).await {
-                        let metadata = result.unwrap_or_default();
-                        let profile = NostrProfile::new(public_key, metadata);
-
-                        if public_key == signer_pubkey {
-                            profiles.push(profile);
-                        } else {
-                            profiles.insert(0, profile);
-                        }
-                    }
-                }
-
-                _ = tx.send(profiles);
-            })
-            .detach();
-
             cx.spawn(|this, cx| async move {
-                if let Ok(profiles) = rx.await {
+                if let Ok(profiles) = load_metadata.await {
                     _ = cx.update(|cx| {
-                        let display_name = if profiles.len() > 2 {
-                            let merged = profiles
-                                .iter()
-                                .take(2)
-                                .map(|profile| profile.name().to_string())
-                                .collect::<Vec<_>>()
-                                .join(", ");
-
-                            let name: SharedString =
-                                format!("{}, +{}", merged, profiles.len() - 2).into();
-
-                            Some(name)
-                        } else {
-                            None
-                        };
-
                         _ = this.update(cx, |this: &mut Room, cx| {
+                            // Update the room's name if it's not already set
+                            if this.name.is_none() {
+                                let mut name = profiles
+                                    .iter()
+                                    .take(2)
+                                    .map(|profile| profile.name.to_string())
+                                    .collect::<Vec<_>>()
+                                    .join(", ");
+
+                                if profiles.len() > 2 {
+                                    name = format!("{}, +{}", name, profiles.len() - 2);
+                                }
+
+                                this.name = Some(name.into())
+                            };
+                            // Update the room's members
                             this.members.extend(profiles);
-                            this.display_name = display_name;
+
                             cx.notify();
                         });
                     });
@@ -125,7 +99,7 @@ impl Room {
     pub fn member(&self, public_key: &PublicKey) -> Option<NostrProfile> {
         self.members
             .iter()
-            .find(|m| &m.public_key() == public_key)
+            .find(|m| &m.public_key == public_key)
             .cloned()
     }
 
@@ -136,12 +110,12 @@ impl Room {
 
     /// Collect room's member's public keys
     pub fn public_keys(&self) -> Vec<PublicKey> {
-        self.members.iter().map(|m| m.public_key()).collect()
+        self.members.iter().map(|m| m.public_key).collect()
     }
 
     /// Get room's display name
     pub fn name(&self) -> Option<SharedString> {
-        self.display_name.clone()
+        self.name.clone()
     }
 
     /// Determine if room is a group
@@ -150,12 +124,159 @@ impl Room {
     }
 
     /// Get room's last seen
-    pub fn last_seen(&self) -> Rc<LastSeen> {
-        self.last_seen.clone()
+    pub fn last_seen(&self) -> LastSeen {
+        self.last_seen
     }
 
     /// Get room's last seen as ago format
     pub fn ago(&self) -> SharedString {
         self.last_seen.ago()
     }
+
+    /// Sync inbox relays for all room's members
+    pub fn verify_inbox_relays(&self, cx: &App) -> Task<Result<Vec<(PublicKey, bool)>, Error>> {
+        let client = get_client();
+        let pubkeys = self.public_keys();
+
+        cx.background_spawn(async move {
+            let mut result = Vec::with_capacity(pubkeys.len());
+
+            for pubkey in pubkeys.into_iter() {
+                let filter = Filter::new()
+                    .kind(Kind::InboxRelays)
+                    .author(pubkey)
+                    .limit(1);
+
+                let is_ready = client
+                    .database()
+                    .query(filter)
+                    .await
+                    .ok()
+                    .and_then(|events| events.first_owned())
+                    .is_some();
+
+                result.push((pubkey, is_ready));
+            }
+
+            Ok(result)
+        })
+    }
+
+    /// Send message to all room's members
+    ///
+    /// NIP-4e: Message will be signed by the device signer
+    pub fn send_message(&self, content: String, cx: &App) -> Task<Result<Vec<String>, Error>> {
+        let client = get_client();
+        let pubkeys = self.public_keys();
+
+        cx.background_spawn(async move {
+            let Some(device) = get_device_keys().await else {
+                return Err(anyhow!("Device not found. Please restart the application."));
+            };
+
+            let user_signer = client.signer().await?;
+            let user_pubkey = user_signer.get_public_key().await?;
+
+            let mut report = Vec::with_capacity(pubkeys.len());
+
+            let tags: Vec<Tag> = pubkeys
+                .iter()
+                .filter_map(|pubkey| {
+                    if pubkey != &user_pubkey {
+                        Some(Tag::public_key(*pubkey))
+                    } else {
+                        None
+                    }
+                })
+                .collect();
+
+            for pubkey in pubkeys.iter() {
+                let filter = Filter::new()
+                    .kind(Kind::Custom(DEVICE_ANNOUNCEMENT_KIND))
+                    .author(*pubkey)
+                    .limit(1);
+
+                // Check if the pubkey has a device announcement,
+                // then choose the appropriate signer based on device presence
+                let event = match client.database().query(filter).await?.first() {
+                    Some(event) => {
+                        log::info!("Use device signer to send message");
+                        let signer = &device;
+                        // Get the device's public key of other user
+                        let device_pubkey = device_pubkey(event)?;
+
+                        let rumor = EventBuilder::private_msg_rumor(*pubkey, &content)
+                            .tags(tags.clone())
+                            .build(user_pubkey);
+
+                        EventBuilder::gift_wrap(
+                            signer,
+                            &device_pubkey,
+                            rumor,
+                            vec![Tag::public_key(*pubkey)],
+                        )
+                        .await?
+                    }
+                    None => {
+                        log::info!("Use user signer to send message");
+                        let signer = client.signer().await?;
+
+                        EventBuilder::private_msg(&signer, *pubkey, &content, tags.clone()).await?
+                    }
+                };
+
+                if let Err(e) = client.send_event(&event).await {
+                    report.push(e.to_string());
+                }
+            }
+
+            Ok(report)
+        })
+    }
+
+    /// Load metadata for all members
+    pub fn load_messages(&self, cx: &App) -> Task<Result<Events, Error>> {
+        let client = get_client();
+        let pubkeys = self.public_keys();
+        let filter = Filter::new()
+            .kind(Kind::PrivateDirectMessage)
+            .authors(pubkeys.iter().copied())
+            .pubkeys(pubkeys);
+
+        cx.background_spawn(async move {
+            let query = client.database().query(filter).await?;
+            Ok(query)
+        })
+    }
+
+    /// Load metadata for all members
+    fn load_metadata(event: &Event, cx: &App) -> Task<Result<Vec<NostrProfile>, Error>> {
+        let client = get_client();
+        let mut pubkeys = vec![];
+
+        // Get all pubkeys from event's tags
+        pubkeys.extend(event.tags.public_keys().collect::<HashSet<_>>());
+        pubkeys.push(event.pubkey);
+
+        cx.background_spawn(async move {
+            let signer = client.signer().await?;
+            let signer_pubkey = signer.get_public_key().await?;
+            let mut profiles = vec![];
+
+            for public_key in pubkeys.into_iter() {
+                if let Ok(result) = client.database().metadata(public_key).await {
+                    let metadata = result.unwrap_or_default();
+                    let profile = NostrProfile::new(public_key, metadata);
+
+                    if public_key == signer_pubkey {
+                        profiles.push(profile);
+                    } else {
+                        profiles.insert(0, profile);
+                    }
+                }
+            }
+
+            Ok(profiles)
+        })
+    }
 }

crates/common/Cargo.toml

@@ -5,12 +5,15 @@ edition = "2021"
 publish = false
 
 [dependencies]
+global = { path = "../global" }
+
 gpui.workspace = true
 nostr-sdk.workspace = true
 anyhow.workspace = true
 itertools.workspace = true
 chrono.workspace = true
 dirs.workspace = true
+smallvec.workspace = true
 
 random_name_generator = "0.3.6"
 qrcode-generator = "5.0.0"

crates/common/src/lib.rs

@@ -1,4 +1,3 @@
-pub mod constants;
 pub mod last_seen;
 pub mod profile;
 pub mod qr;

crates/common/src/profile.rs

@@ -1,13 +1,14 @@
+use global::constants::IMAGE_SERVICE;
 use gpui::SharedString;
 use nostr_sdk::prelude::*;
-
-use crate::constants::IMAGE_SERVICE;
+use smallvec::SmallVec;
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct NostrProfile {
-    public_key: PublicKey,
-    avatar: SharedString,
-    name: SharedString,
+    pub public_key: PublicKey,
+    pub avatar: SharedString,
+    pub name: SharedString,
+    pub messaging_relays: Option<SmallVec<[RelayUrl; 3]>>,
 }
 
 impl NostrProfile {
@@ -19,20 +20,14 @@ impl NostrProfile {
             public_key,
             name,
             avatar,
+            messaging_relays: None,
         }
     }
 
-    /// Get contact's public key
-    pub fn public_key(&self) -> PublicKey {
-        self.public_key
-    }
-
-    pub fn avatar(&self) -> SharedString {
-        self.avatar.clone()
-    }
-
-    pub fn name(&self) -> SharedString {
-        self.name.clone()
+    /// Set contact's relays
+    pub fn relays(mut self, relays: Option<SmallVec<[RelayUrl; 3]>>) -> Self {
+        self.messaging_relays = relays;
+        self
     }
 
     fn extract_avatar(metadata: &Metadata) -> SharedString {

crates/common/src/utils.rs

@@ -1,4 +1,5 @@
-use crate::constants::NIP96_SERVER;
+use anyhow::Context;
+use global::constants::NIP96_SERVER;
 use itertools::Itertools;
 use nostr_sdk::prelude::*;
 use rnglib::{Language, RNG};
@@ -43,6 +44,14 @@ pub fn room_hash(event: &Event) -> u64 {
     hasher.finish()
 }
 
+pub fn device_pubkey(event: &Event) -> Result<PublicKey, anyhow::Error> {
+    let n_tag = event.tags.find(TagKind::custom("n")).context("Invalid")?;
+    let hex = n_tag.content().context("Invalid")?;
+    let pubkey = PublicKey::parse(hex)?;
+
+    Ok(pubkey)
+}
+
 pub fn random_name(length: usize) -> String {
     let rng = RNG::from(&Language::Roman);
     rng.generate_names(length, true).join("-").to_lowercase()

crates/global/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "state"
+name = "global"
 version = "0.0.0"
 edition = "2021"
 publish = false
@@ -7,3 +7,6 @@ publish = false
 [dependencies]
 nostr-sdk.workspace = true
 dirs.workspace = true
+smol.workspace = true
+
+whoami = "1.5.2"

crates/global/src/constants.rs

@@ -1,10 +1,24 @@
-pub const KEYRING_SERVICE: &str = "Coop Safe Storage";
 pub const APP_NAME: &str = "Coop";
 pub const APP_ID: &str = "su.reya.coop";
 
+pub const CLIENT_KEYRING: &str = "Coop Client Keys";
+pub const MASTER_KEYRING: &str = "Coop Master Keys";
+
+pub const DEVICE_ANNOUNCEMENT_KIND: u16 = 10044;
+pub const DEVICE_REQUEST_KIND: u16 = 4454;
+pub const DEVICE_RESPONSE_KIND: u16 = 4455;
+
+/// Bootstrap relays
+pub const BOOTSTRAP_RELAYS: [&str; 3] = [
+    "wss://relay.damus.io",
+    "wss://relay.primal.net",
+    "wss://purplepag.es",
+];
+
 /// Subscriptions
 pub const NEW_MESSAGE_SUB_ID: &str = "listen_new_giftwraps";
 pub const ALL_MESSAGES_SUB_ID: &str = "listen_all_giftwraps";
+pub const DEVICE_SUB_ID: &str = "listen_device_announcement";
 
 /// Image Resizer Service
 pub const IMAGE_SERVICE: &str = "https://wsrv.nl";

crates/global/src/lib.rs

@@ -0,0 +1,104 @@
+use constants::{ALL_MESSAGES_SUB_ID, APP_ID};
+use dirs::config_dir;
+use nostr_sdk::prelude::*;
+use smol::lock::Mutex;
+
+use std::{
+    fs,
+    sync::{Arc, OnceLock},
+    time::Duration,
+};
+
+pub mod constants;
+
+/// Nostr Client
+static CLIENT: OnceLock<Client> = OnceLock::new();
+/// Current App Name
+static APP_NAME: OnceLock<Arc<str>> = OnceLock::new();
+/// NIP-4e: Device Keys, used for encryption
+static DEVICE_KEYS: Mutex<Option<Arc<dyn NostrSigner>>> = Mutex::new(None);
+/// NIP-4e: Device Name, used for display purposes
+static DEVICE_NAME: Mutex<Option<Arc<String>>> = Mutex::new(None);
+
+/// Nostr Client instance
+pub fn get_client() -> &'static Client {
+    CLIENT.get_or_init(|| {
+        // Setup app data folder
+        let config_dir = config_dir().expect("Config directory not found");
+        let app_dir = config_dir.join(APP_ID);
+
+        // Create app directory if it doesn't exist
+        _ = fs::create_dir_all(&app_dir);
+
+        // Setup database
+        let lmdb = NostrLMDB::open(app_dir.join("nostr")).expect("Database is NOT initialized");
+
+        // Client options
+        let opts = Options::new()
+            // NIP-65
+            .gossip(true)
+            // Skip all very slow relays
+            .max_avg_latency(Duration::from_secs(2));
+
+        // Setup Nostr Client
+        ClientBuilder::default().database(lmdb).opts(opts).build()
+    })
+}
+
+/// Get app name
+pub fn get_app_name() -> &'static str {
+    APP_NAME.get_or_init(|| {
+        Arc::from(format!(
+            "Coop on {} ({})",
+            whoami::distro(),
+            whoami::devicename()
+        ))
+    })
+}
+
+/// Get device keys
+pub async fn get_device_keys() -> Option<Arc<dyn NostrSigner>> {
+    let guard = DEVICE_KEYS.lock().await;
+    guard.clone()
+}
+
+/// Set device keys
+pub async fn set_device_keys<T>(signer: Arc<T>)
+where
+    T: NostrSigner + 'static,
+{
+    DEVICE_KEYS.lock().await.replace(signer);
+
+    // Re-subscribe to all messages
+    smol::spawn(async move {
+        let client = get_client();
+        let opts = SubscribeAutoCloseOptions::default().exit_policy(ReqExitPolicy::ExitOnEOSE);
+
+        if let Ok(signer) = client.signer().await {
+            let public_key = signer.get_public_key().await.unwrap();
+
+            // Create a filter for getting all gift wrapped events send to current user
+            let filter = Filter::new().kind(Kind::GiftWrap).pubkey(public_key);
+
+            let id = SubscriptionId::new(ALL_MESSAGES_SUB_ID);
+            _ = client.unsubscribe(&id);
+            _ = client.subscribe_with_id(id, filter, Some(opts)).await;
+        }
+    })
+    .await;
+}
+
+/// Set master's device name
+pub async fn set_device_name(name: &str) {
+    let mut guard = DEVICE_NAME.lock().await;
+
+    if guard.is_none() {
+        guard.replace(Arc::new(name.to_owned()));
+    }
+}
+
+/// Get master's device name
+pub fn get_device_name() -> Arc<String> {
+    let guard = DEVICE_NAME.lock_blocking();
+    guard.clone().unwrap_or(Arc::new("Main Device".into()))
+}

crates/state/src/lib.rs

@@ -1,29 +0,0 @@
-use dirs::config_dir;
-use nostr_sdk::prelude::*;
-use std::{fs, sync::OnceLock, time::Duration};
-
-static CLIENT: OnceLock<Client> = OnceLock::new();
-
-pub fn get_client() -> &'static Client {
-    CLIENT.get_or_init(|| {
-        // Setup app data folder
-        let config_dir = config_dir().expect("Config directory not found");
-        let app_dir = config_dir.join("Coop/");
-
-        // Create app directory if it doesn't exist
-        _ = fs::create_dir_all(&app_dir);
-
-        // Setup database
-        let lmdb = NostrLMDB::open(app_dir.join("nostr")).expect("Database is NOT initialized");
-
-        // Client options
-        let opts = Options::new()
-            // NIP-65
-            .gossip(true)
-            // Skip all very slow relays
-            .max_avg_latency(Duration::from_millis(800));
-
-        // Setup Nostr Client
-        ClientBuilder::default().database(lmdb).opts(opts).build()
-    })
-}

crates/ui/src/button.rs

@@ -634,7 +634,18 @@ impl ButtonVariant {
             _ => cx.theme().base.step(cx, ColorScaleStep::THREE),
         };
 
-        let fg = cx.theme().base.step(cx, ColorScaleStep::ELEVEN);
+        let fg = match self {
+            ButtonVariant::Primary => match cx.theme().accent.name().to_string().as_str() {
+                "Sky" => cx.theme().base.darken(cx),
+                "Mint" => cx.theme().base.darken(cx),
+                "Lime" => cx.theme().base.darken(cx),
+                "Amber" => cx.theme().base.darken(cx),
+                "Yellow" => cx.theme().base.darken(cx),
+                _ => cx.theme().accent.step(cx, ColorScaleStep::ONE),
+            },
+            _ => cx.theme().base.step(cx, ColorScaleStep::ELEVEN),
+        };
+
         let border = bg;
         let underline = self.underline(window, cx);
         let shadow = false;

crates/ui/src/modal.rs

@@ -47,8 +47,7 @@ impl Modal {
             .border_1()
             .border_color(cx.theme().base.step(cx, ColorScaleStep::FIVE))
             .rounded_lg()
-            .shadow_xl()
-            .min_h_48();
+            .shadow_xl();
 
         Self {
             base,

crates/ui/src/root.rs

@@ -212,6 +212,11 @@ impl Root {
     pub fn view(&self) -> &AnyView {
         &self.view
     }
+
+    /// Replace the root view of the Root.
+    pub fn replace_view(&mut self, view: AnyView) {
+        self.view = view;
+    }
 }
 
 impl Render for Root {

crates/ui/src/title_bar.rs

@@ -11,7 +11,7 @@ use gpui::{
 use std::rc::Rc;
 
 const HEIGHT: Pixels = px(34.);
-const TITLE_BAR_HEIGHT: Pixels = px(35.);
+const TITLE_BAR_HEIGHT: Pixels = px(34.);
 #[cfg(target_os = "macos")]
 const TITLE_BAR_LEFT_PADDING: Pixels = px(80.);
 #[cfg(not(target_os = "macos"))]