shared/build.gradle.kts

@@ -26,7 +26,7 @@ kotlin {
         commonMain.dependencies {
             implementation("org.jetbrains.androidx.lifecycle:lifecycle-viewmodel-compose:2.10.0")
             implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2")
-            implementation("org.rust-nostr:nostr-sdk-kmp:0.44.3")
+            implementation("su.reya:nostr-sdk-kmp:0.1")
         }
         commonTest.dependencies {
             implementation(libs.kotlin.test)

shared/src/commonMain/kotlin/su/reya/coop/Nostr.kt

@@ -2,11 +2,11 @@ package su.reya.coop
 
 import rust.nostr.sdk.Client
 import rust.nostr.sdk.ClientBuilder
-import rust.nostr.sdk.ClientOptions
-import rust.nostr.sdk.Event
+import rust.nostr.sdk.ClientNotification
+import rust.nostr.sdk.Contact
 import rust.nostr.sdk.EventBuilder
 import rust.nostr.sdk.Filter
-import rust.nostr.sdk.HandleNotification
+import rust.nostr.sdk.GossipConfig
 import rust.nostr.sdk.Keys
 import rust.nostr.sdk.Kind
 import rust.nostr.sdk.KindStandard
@@ -16,9 +16,12 @@ import rust.nostr.sdk.NostrConnect
 import rust.nostr.sdk.NostrDatabase
 import rust.nostr.sdk.NostrGossip
 import rust.nostr.sdk.NostrSigner
-import rust.nostr.sdk.RelayMessage
+import rust.nostr.sdk.PublicKey
+import rust.nostr.sdk.RelayCapabilities
+import rust.nostr.sdk.RelayMetadata
 import rust.nostr.sdk.RelayUrl
 import rust.nostr.sdk.ReqExitPolicy
+import rust.nostr.sdk.ReqTarget
 import rust.nostr.sdk.SubscribeAutoCloseOptions
 import rust.nostr.sdk.Timestamp
 
@@ -28,39 +31,59 @@ class Nostr {
     var signer: NostrSigner? = null
         private set
 
-    fun init(dbPath: String) {
+    suspend fun init(dbPath: String) {
         val lmdb = NostrDatabase.lmdb(dbPath)
         val gossip = NostrGossip.inMemory()
-        val opts = ClientOptions().automaticAuthentication(false)
 
-        client = ClientBuilder().database(lmdb).gossip(gossip).opts(opts).build()
+        client =
+            ClientBuilder()
+                .database(lmdb)
+                .gossip(gossip)
+                .gossipConfig(GossipConfig().noBackgroundRefresh())
+                .maxRelays(20u)
+                .verifySubscriptions(false)
+                .automaticAuthentication(false)
+                .build()
     }
 
     suspend fun connect() {
-        this.client?.addRelay(RelayUrl.parse("wss://relay.damus.io"))
-        this.client?.addRelay(RelayUrl.parse("wss://relay.primal.net"))
-        this.client?.addRelay(RelayUrl.parse("wss://user.kindpag.es"))
-        this.client?.connect()
+        client?.addRelay(
+            url = RelayUrl.parse("wss://relay.damus.io"),
+            capabilities = RelayCapabilities.none()
+        )
+        client?.addRelay(
+            url = RelayUrl.parse("wss://relay.primal.net"),
+            capabilities = RelayCapabilities.none()
+        )
+        client?.addRelay(
+            url = RelayUrl.parse("wss://user.kindpag.es"),
+            capabilities = RelayCapabilities.none()
+        )
+        client?.addRelay(
+            url = RelayUrl.parse("https://indexer.coracle.social"),
+            capabilities = RelayCapabilities.gossip()
+        )
+        client?.connect()
     }
 
     suspend fun disconnect() {
-        this.client?.shutdown()
+        client?.shutdown()
     }
 
     suspend fun setKeySigner(keys: Keys) {
         signer = NostrSigner.keys(keys)
-        this.getMetadata()
+        getUserMetadata()
     }
 
-    suspend fun setRemoteSigner(signer: NostrConnect) {
-        this.signer = NostrSigner.nostrConnect(signer)
-        this.getMetadata()
+    suspend fun setRemoteSigner(remote: NostrConnect) {
+        signer = NostrSigner.nostrConnect(remote)
+        getUserMetadata()
     }
 
-    suspend fun getMetadata() {
-        val currentUserPubKey = this.signer?.getPublicKey() ?: return
-        val opts = SubscribeAutoCloseOptions().exitPolicy(ReqExitPolicy.ExitOnEose)
-        val filter = Filter().author(currentUserPubKey).limit(10u).kinds(
+    suspend fun getUserMetadata() {
+        val userPubkey = signer?.getPublicKey() ?: return
+
+        val filter = Filter().author(userPubkey).limit(10u).kinds(
             listOf(
                 Kind.fromStd(KindStandard.METADATA),
                 Kind.fromStd(KindStandard.CONTACT_LIST),
@@ -68,44 +91,99 @@ class Nostr {
             )
         )
 
-        this.client?.subscribe(filter, opts)
+        val target = ReqTarget.auto(listOf(filter))
+        val opts = SubscribeAutoCloseOptions().exitPolicy(ReqExitPolicy.ExitOnEose)
+
+        client?.subscribe(target = target, id = "user-metadata", closeOn = opts)
     }
 
     suspend fun handleNotifications() {
         val now = Timestamp.now()
+        val notifications = client?.notifications()
 
-        this.client?.handleNotifications(object : HandleNotification {
-            override suspend fun handle(relayUrl: RelayUrl, subscriptionId: String, event: Event) {
-                TODO("Not yet implemented")
+        while (true) {
+            val notification = notifications?.next() ?: break
+
+            when (notification) {
+                is ClientNotification.Message -> {
+                    // TODO: Handle message
                 }
 
-            override suspend fun handleMsg(
-                relayUrl: RelayUrl,
-                msg: RelayMessage
-            ) {
-                TODO("Not yet implemented")
+                is ClientNotification.NewEvent -> {
+                    // TODO: Handle new event
                 }
-        })
+
+                is ClientNotification.Shutdown -> {
+                    break
+                }
+            }
+        }
+    }
+
+    suspend fun getDefaultRelayList(): Map<RelayUrl, RelayMetadata> {
+        // Construct a list of relays
+        val relayList = mapOf<RelayUrl, RelayMetadata>(
+            RelayUrl.parse("wss://relay.damus.io") to RelayMetadata.READ,
+            RelayUrl.parse("wss://relay.primal.net") to RelayMetadata.READ,
+            RelayUrl.parse("wss://relay.nostr.net") to RelayMetadata.WRITE,
+            RelayUrl.parse("wss://nostr.superfriends.online") to RelayMetadata.WRITE
+        )
+
+        // Ensure all relays are added and connected
+        relayList.forEach { (relay, metadata) ->
+            client?.addRelay(
+                url = relay,
+                capabilities =
+                    if (metadata == RelayMetadata.READ) RelayCapabilities.read()
+                    else if (metadata == RelayMetadata.WRITE) RelayCapabilities.write()
+                    else RelayCapabilities.none()
+            )
+            client?.connectRelay(relay)
+        }
+
+        return relayList
+    }
+
+    suspend fun getMsgRelayList(): List<RelayUrl> {
+        // Construct a list of messaging relays
+        val msgRelayList = listOf(
+            RelayUrl.parse("wss://relay.0xchat.com"),
+            RelayUrl.parse("wss://nip17.com"),
+        )
+
+        // Ensure all relays are added and connected
+        msgRelayList.forEach { relay ->
+            client?.addRelay(relay, RelayCapabilities.none())
+            client?.connectRelay(relay)
+        }
+
+        return msgRelayList
     }
 
     suspend fun createIdentity(keys: Keys, name: String, bio: String, picture: String?) {
         // Set signer
         signer = NostrSigner.keys(keys)
 
-        // Construct metadata records
-        val records = MetadataRecord(
-            name = name,
-            displayName = name,
-            about = bio,
-            picture = picture
-        )
+        // Send relay list event
+        val relayList = getDefaultRelayList()
+        val relayListEvent = EventBuilder.relayList(relayList).sign(signer!!);
+        client?.sendEvent(relayListEvent)
 
-        // Construct a nostr event and sign it
-        val metadata = Metadata.fromRecord(records)
-        val builder = EventBuilder.metadata(metadata).build(keys.publicKey())
-        val event = this.signer?.signEvent(builder) ?: return
+        // Send messaging relay list event
+        val msgRelayList = getMsgRelayList()
+        val msgRelayListEvent = EventBuilder.nip17RelayList(msgRelayList).sign(signer!!)
+        client?.sendEventNoWait(msgRelayListEvent)
 
-        // Send event to relays
-        this.client?.sendEvent(event)
+        // Send metadata event
+        val metadata =
+            Metadata.fromRecord(MetadataRecord(name = name, about = bio, picture = picture))
+        val metadataEvent = EventBuilder.metadata(metadata).sign(signer!!)
+        client?.sendEventNoWait(metadataEvent)
+
+        // Send contact list event
+        val defaultContact =
+            listOf(Contact(publicKey = PublicKey.parse("npub1j3rz3ndl902lya6ywxvy5c983lxs8mpukqnx4pa4lt5wrykwl5ys7wpw3x")))
+        val contactListEvent = EventBuilder.contactList(defaultContact).sign(signer!!)
+        client?.sendEventNoWait(contactListEvent)
     }
 }

shared/src/commonMain/kotlin/su/reya/coop/NostrViewModel.kt

@@ -24,11 +24,11 @@ class NostrViewModel(
     val isCreating = _isCreating.asStateFlow()
 
     fun initAndConnect(dbPath: String) {
+        viewModelScope.launch {
+            try {
                 // Initialize nostr client
                 nostr.init(dbPath)
 
-        viewModelScope.launch {
-            try {
                 // Connect to bootstrap relays
                 nostr.connect()