Relay Management (View/Edit)

app/src/main/java/com/vitorpamplona/amethyst/ServiceManager.kt

@@ -0,0 +1,71 @@
+package com.vitorpamplona.amethyst
+
+import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.service.Constants
+import com.vitorpamplona.amethyst.service.NostrAccountDataSource
+import com.vitorpamplona.amethyst.service.NostrChannelDataSource
+import com.vitorpamplona.amethyst.service.NostrChatroomListDataSource
+import com.vitorpamplona.amethyst.service.NostrGlobalDataSource
+import com.vitorpamplona.amethyst.service.NostrHomeDataSource
+import com.vitorpamplona.amethyst.service.NostrNotificationDataSource
+import com.vitorpamplona.amethyst.service.NostrSingleEventDataSource
+import com.vitorpamplona.amethyst.service.NostrSingleUserDataSource
+import com.vitorpamplona.amethyst.service.NostrThreadDataSource
+import com.vitorpamplona.amethyst.service.NostrUserProfileDataSource
+import com.vitorpamplona.amethyst.service.NostrUserProfileFollowersDataSource
+import com.vitorpamplona.amethyst.service.NostrUserProfileFollowsDataSource
+import com.vitorpamplona.amethyst.service.relays.Client
+
+object ServiceManager {
+  private var account: Account? = null
+
+  fun start(account: Account) {
+    this.account = account
+    start()
+  }
+
+  fun start() {
+    val myAccount = account
+
+    if (myAccount != null) {
+      Client.connect(myAccount.activeRelays() ?: Constants.defaultRelays)
+
+      // start services
+      NostrAccountDataSource.account = myAccount
+      NostrHomeDataSource.account = myAccount
+      NostrNotificationDataSource.account = myAccount
+      NostrChatroomListDataSource.account = myAccount
+
+      NostrAccountDataSource.start()
+      NostrGlobalDataSource.start()
+      NostrHomeDataSource.start()
+      NostrNotificationDataSource.start()
+      NostrSingleEventDataSource.start()
+      NostrSingleUserDataSource.start()
+      NostrThreadDataSource.start()
+      NostrChatroomListDataSource.start()
+    } else {
+      // if not logged in yet, start a basic service wit default relays
+      Client.connect()
+    }
+  }
+
+  fun pause() {
+    NostrAccountDataSource.stop()
+    NostrHomeDataSource.stop()
+    NostrChannelDataSource.stop()
+    NostrChatroomListDataSource.stop()
+    NostrUserProfileDataSource.stop()
+    NostrUserProfileFollowersDataSource.stop()
+    NostrUserProfileFollowsDataSource.stop()
+
+    NostrGlobalDataSource.stop()
+    NostrNotificationDataSource.stop()
+    NostrSingleEventDataSource.stop()
+    NostrSingleUserDataSource.stop()
+    NostrThreadDataSource.stop()
+
+    Client.disconnect()
+  }
+
+}

app/src/main/java/com/vitorpamplona/amethyst/model/Account.kt

@@ -8,6 +8,8 @@ import com.vitorpamplona.amethyst.service.model.ChannelMetadataEvent
 import com.vitorpamplona.amethyst.service.model.ReactionEvent
 import com.vitorpamplona.amethyst.service.model.RepostEvent
 import com.vitorpamplona.amethyst.service.relays.Client
+import com.vitorpamplona.amethyst.service.relays.Relay
+import com.vitorpamplona.amethyst.service.relays.RelayPool
 import com.vitorpamplona.amethyst.ui.screen.AccountStateViewModel
 import java.util.Date
 import nostr.postr.Contact
@@ -40,6 +42,23 @@ class Account(val loggedIn: Persona, val followingChannels: MutableSet<String> =
     return loggedIn.privKey != null
   }
 
+  fun sendNewRelayList(relays: Map<String, ContactListEvent.ReadWrite>) {
+    if (!isWriteable()) return
+
+    val lastestContactList = userProfile().latestContactList
+    val event = if (lastestContactList != null) {
+      ContactListEvent.create(
+        lastestContactList.follows,
+        relays,
+        loggedIn.privKey!!)
+    } else {
+      ContactListEvent.create(listOf(), relays, loggedIn.privKey!!)
+    }
+
+    Client.send(event)
+    LocalCache.consume(event)
+  }
+
   fun sendNewUserMetadata(toString: String) {
     if (!isWriteable()) return
 
@@ -234,6 +253,21 @@ class Account(val loggedIn: Persona, val followingChannels: MutableSet<String> =
     }
   }
 
+  fun activeRelays(): Array<Relay>? {
+    return userProfile().relays?.map { Relay(it.key, it.value.read, it.value.write) }?.toTypedArray()
+  }
+
+  init {
+    userProfile().subscribe(object: User.Listener() {
+      override fun onRelayChange() {
+        println("Updating Relays AAA Account")
+        Client.disconnect()
+        Client.connect(activeRelays() ?: Constants.defaultRelays)
+        RelayPool.requestAndWatch()
+      }
+    })
+  }
+
   // Observers line up here.
   val live: AccountLiveData = AccountLiveData(this)
 

app/src/main/java/com/vitorpamplona/amethyst/model/LocalCache.kt

@@ -4,6 +4,7 @@ import android.util.Log
 import androidx.lifecycle.LiveData
 import com.fasterxml.jackson.databind.DeserializationFeature
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import com.google.gson.reflect.TypeToken
 import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
 import com.vitorpamplona.amethyst.service.model.ChannelHideMessageEvent
 import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
@@ -19,6 +20,7 @@ import java.util.Collections
 import java.util.concurrent.ConcurrentHashMap
 import nostr.postr.events.ContactListEvent
 import nostr.postr.events.DeletionEvent
+import nostr.postr.events.Event
 import nostr.postr.events.MetadataEvent
 import nostr.postr.events.PrivateDmEvent
 import nostr.postr.events.RecommendRelayEvent
@@ -110,10 +112,10 @@ object LocalCache {
 
     // Adds notifications to users.
     mentions.forEach {
-      it.taggedPosts.add(note)
+      it.addTaggedPost(note)
     }
     replyTo.forEach {
-      it.author?.taggedPosts?.add(note)
+      it.author?.addTaggedPost(note)
     }
 
     // Counts the replies
@@ -148,6 +150,26 @@ object LocalCache {
         event.createdAt
       )
 
+      if (user.pubkeyHex == "460c25e682fda7832b52d1f22d3d22b3176d972f60dcdc3212ed8c92ef85065c")
+        println("Updating Relays AAA ${user.toBestDisplayName()} ${event.content} ${formattedDateTime(event.createdAt)}")
+
+      try {
+        if (event.content.isNotEmpty()) {
+          if (user.pubkeyHex == "460c25e682fda7832b52d1f22d3d22b3176d972f60dcdc3212ed8c92ef85065c")
+            println("Updating Relays AAA 1 ${user.toBestDisplayName()} ${event.content}")
+          val relays: Map<String, ContactListEvent.ReadWrite> =
+            Event.gson.fromJson(
+              event.content,
+              object : TypeToken<Map<String, ContactListEvent.ReadWrite>>() {}.type
+            )
+          user.updateRelays(relays)
+        }
+      } catch (e: Exception) {
+        if (user.pubkeyHex == "460c25e682fda7832b52d1f22d3d22b3176d972f60dcdc3212ed8c92ef85065c")
+          println("Updating Relays AAA 2 for ${user.bestUsername()} ${e.message}")
+        e.printStackTrace()
+      }
+
       user.latestContactList = event
     }
 
@@ -201,10 +223,10 @@ object LocalCache {
 
     // Adds notifications to users.
     mentions.forEach {
-      it.taggedPosts.add(note)
+      it.addTaggedPost(note)
     }
     repliesTo.forEach {
-      it.author?.taggedPosts?.add(note)
+      it.author?.addTaggedPost(note)
     }
 
     // Counts the replies
@@ -231,10 +253,10 @@ object LocalCache {
 
     // Adds notifications to users.
     mentions.forEach {
-      it.taggedPosts.add(note)
+      it.addTaggedPost(note)
     }
     repliesTo.forEach {
-      it.author?.taggedPosts?.add(note)
+      it.author?.addTaggedPost(note)
     }
 
     if (event.content == "" || event.content == "+" || event.content == "\uD83E\uDD19") {
@@ -312,10 +334,10 @@ object LocalCache {
 
     // Adds notifications to users.
     mentions.forEach {
-      it.taggedPosts.add(note)
+      it.addTaggedPost(note)
     }
     replyTo.forEach {
-      it.author?.taggedPosts?.add(note)
+      it.author?.addTaggedPost(note)
     }
 
     // Counts the replies

app/src/main/java/com/vitorpamplona/amethyst/model/User.kt

@@ -2,6 +2,8 @@ package com.vitorpamplona.amethyst.model
 
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.NostrSingleUserDataSource
+import com.vitorpamplona.amethyst.service.relays.Client
+import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.ui.note.toShortenHex
 import java.util.Collections
 import java.util.concurrent.ConcurrentHashMap
@@ -11,6 +13,7 @@ import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import nostr.postr.events.ContactListEvent
+import nostr.postr.events.Event
 import nostr.postr.events.MetadataEvent
 
 class User(val pubkey: ByteArray) {
@@ -27,8 +30,11 @@ class User(val pubkey: ByteArray) {
 
     val notes = Collections.synchronizedSet(mutableSetOf<Note>())
     val follows = Collections.synchronizedSet(mutableSetOf<User>())
+
     val taggedPosts = Collections.synchronizedSet(mutableSetOf<Note>())
 
+    var relays: Map<String, ContactListEvent.ReadWrite>? = null
+
     val followers = Collections.synchronizedSet(mutableSetOf<User>())
     val messages = ConcurrentHashMap<User, MutableSet<Note>>()
 
@@ -55,6 +61,10 @@ class User(val pubkey: ByteArray) {
 
         invalidateData()
         user.invalidateData()
+
+        listeners.forEach {
+            it.onFollowsChange()
+        }
     }
     fun unfollow(user: User) {
         follows.remove(user)
@@ -62,6 +72,15 @@ class User(val pubkey: ByteArray) {
 
         invalidateData()
         user.invalidateData()
+
+        updateSubscribers {
+            it.onFollowsChange()
+        }
+    }
+
+    fun addTaggedPost(note: Note) {
+        taggedPosts.add(note)
+        updateSubscribers { it.onNewPosts() }
     }
 
     @Synchronized
@@ -76,6 +95,7 @@ class User(val pubkey: ByteArray) {
     fun addMessage(user: User, msg: Note) {
         getOrCreateChannel(user).add(msg)
         live.refresh()
+        updateSubscribers { it.onNewMessage() }
     }
 
     fun updateFollows(newFollows: Set<User>, updateAt: Long) {
@@ -95,6 +115,15 @@ class User(val pubkey: ByteArray) {
         updatedFollowsAt = updateAt
     }
 
+    fun updateRelays(relayUse: Map<String, ContactListEvent.ReadWrite>) {
+        if (relays != relayUse) {
+            relays = relayUse
+            listeners.forEach {
+                it.onRelayChange()
+            }
+        }
+    }
+
     fun updateUserInfo(newUserInfo: UserMetadata, updateAt: Long) {
         info = newUserInfo
         updatedMetadataAt = updateAt
@@ -108,7 +137,42 @@ class User(val pubkey: ByteArray) {
         }
     }
 
-    // Observers line up here.
+    // Model Observers
+    private var listeners = setOf<Listener>()
+
+    fun subscribe(listener: Listener) {
+        listeners = listeners.plus(listener)
+    }
+
+    fun unsubscribe(listener: Listener) {
+        listeners = listeners.minus(listener)
+    }
+
+    abstract class Listener {
+        open fun onRelayChange() = Unit
+        open fun onFollowsChange() = Unit
+        open fun onNewPosts() = Unit
+        open fun onNewMessage() = Unit
+    }
+
+    // Refreshes observers in batches.
+    var modelHandlerWaiting = false
+    @Synchronized
+    fun updateSubscribers(on: (Listener) -> Unit) {
+        if (modelHandlerWaiting) return
+
+        modelHandlerWaiting = true
+        val scope = CoroutineScope(Job() + Dispatchers.Main)
+        scope.launch {
+            delay(100)
+            listeners.forEach {
+                on(it)
+            }
+            modelHandlerWaiting = false
+        }
+    }
+
+    // UI Observers line up here.
     val live: UserLiveData = UserLiveData(this)
 
     // Refreshes observers in batches.

app/src/main/java/com/vitorpamplona/amethyst/service/NostrAccountDataSource.kt

@@ -13,27 +13,11 @@ import nostr.postr.events.TextNoteEvent
 object NostrAccountDataSource: NostrDataSource<Note>("AccountData") {
   lateinit var account: Account
 
-  private val cacheListener: (UserState) -> Unit = {
-    resetFilters()
-  }
-
-  override fun start() {
-    if (this::account.isInitialized)
-      account.userProfile().live.observeForever(cacheListener)
-    super.start()
-  }
-
-  override fun stop() {
-    super.stop()
-    if (this::account.isInitialized)
-      account.userProfile().live.removeObserver(cacheListener)
-  }
-
   fun createAccountContactListFilter(): JsonFilter {
     return JsonFilter(
       kinds = listOf(ContactListEvent.kind),
       authors = listOf(account.userProfile().pubkeyHex),
-      limit = 1
+      limit = 5
     )
   }
 
@@ -41,7 +25,7 @@ object NostrAccountDataSource: NostrDataSource<Note>("AccountData") {
     return JsonFilter(
       kinds = listOf(MetadataEvent.kind),
       authors = listOf(account.userProfile().pubkeyHex),
-      limit = 3
+      limit = 5
     )
   }
 

app/src/main/java/com/vitorpamplona/amethyst/service/NostrHomeDataSource.kt

@@ -3,8 +3,12 @@ package com.vitorpamplona.amethyst.service
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
+import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.model.UserState
 import com.vitorpamplona.amethyst.service.model.RepostEvent
+import com.vitorpamplona.amethyst.service.relays.Client
+import com.vitorpamplona.amethyst.service.relays.Relay
+import com.vitorpamplona.amethyst.service.relays.RelayPool
 import nostr.postr.JsonFilter
 import nostr.postr.events.TextNoteEvent
 import nostr.postr.toHex
@@ -12,20 +16,22 @@ import nostr.postr.toHex
 object NostrHomeDataSource: NostrDataSource<Note>("HomeFeed") {
   lateinit var account: Account
 
-  private val cacheListener: (UserState) -> Unit = {
+  object cacheListener: User.Listener() {
-    resetFilters()
+    override fun onFollowsChange() {
+      resetFilters()
+    }
   }
 
   override fun start() {
     if (this::account.isInitialized)
-      account.userProfile().live.observeForever(cacheListener)
+      account.userProfile().subscribe(cacheListener)
     super.start()
   }
 
   override fun stop() {
     super.stop()
     if (this::account.isInitialized)
-      account.userProfile().live.removeObserver(cacheListener)
+      account.userProfile().unsubscribe(cacheListener)
   }
 
   fun createFollowAccountsFilter(): JsonFilter {

app/src/main/java/com/vitorpamplona/amethyst/service/NostrNotificationDataSource.kt

@@ -2,6 +2,7 @@ package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.Note
+import com.vitorpamplona.amethyst.model.User
 import nostr.postr.JsonFilter
 
 object NostrNotificationDataSource: NostrDataSource<Note>("NotificationFeed") {

app/src/main/java/com/vitorpamplona/amethyst/service/relays/Client.kt

@@ -27,10 +27,9 @@ object Client: RelayPool.Listener {
     private var relays = Constants.defaultRelays
     private val subscriptions = mutableMapOf<String, List<JsonFilter>>()
 
-    fun connect(
+    fun connect(relays: Array<Relay> = Constants.defaultRelays) {
-        relays: Array<Relay> = Constants.defaultRelays
-    ) {
         RelayPool.register(this)
+        RelayPool.unloadRelays()
         RelayPool.loadRelays(relays.toList())
         this.relays = relays
     }

app/src/main/java/com/vitorpamplona/amethyst/service/relays/Relay.kt

@@ -9,14 +9,18 @@ import okhttp3.WebSocket
 import okhttp3.WebSocketListener
 
 class Relay(
-    val url: String,
+  var url: String,
-    var read: Boolean = true,
+  var read: Boolean = true,
-    var write: Boolean = true
+  var write: Boolean = true
 ) {
     private val httpClient = OkHttpClient()
     private var listeners = setOf<Listener>()
     private var socket: WebSocket? = null
 
+    var eventDownloadCounter = 0
+    var eventUploadCounter = 0
+    var errorCounter = 0
+
     fun register(listener: Listener) {
         listeners = listeners.plus(listener)
     }
@@ -49,6 +53,7 @@ class Relay(
                     val channel = msg[1].asString
                     when (type) {
                         "EVENT" -> {
+                            eventDownloadCounter++
                             val event = Event.fromJson(msg[2], Client.lenient)
                             listeners.forEach { it.onEvent(this@Relay, channel, event) }
                         }
@@ -88,6 +93,8 @@ class Relay(
             }
 
             override fun onFailure(webSocket: WebSocket, t: Throwable, response: Response?) {
+                errorCounter++
+
                 socket?.close(1000, "Normal close")
                 // Failures disconnect the relay. 
                 socket = null
@@ -98,6 +105,7 @@ class Relay(
                 }
             }
         }
+
         socket = httpClient.newWebSocket(request, listener)
     }
 
@@ -108,14 +116,17 @@ class Relay(
     }
 
     fun sendFilter(requestId: String) {
-        if (socket == null) {
+        if (read) {
-            requestAndWatch()
+            if (socket == null) {
-        } else {
+                requestAndWatch()
-            val filters = Client.getSubscriptionFilters(requestId)
+            } else {
-            if (filters.isNotEmpty()) {
+                val filters = Client.getSubscriptionFilters(requestId)
-                val request = """["REQ","$requestId",${filters.joinToString(",") { it.toJson() }}]"""
+                if (filters.isNotEmpty()) {
-                //println("FILTERSSENT " + """["REQ","$requestId",${filters.joinToString(",") { it.toJson() }}]""")
+                    val request =
-                socket?.send(request)
+                        """["REQ","$requestId",${filters.joinToString(",") { it.toJson() }}]"""
+                    //println("FILTERSSENT " + """["REQ","$requestId",${filters.joinToString(",") { it.toJson() }}]""")
+                    socket?.send(request)
+                }
             }
         }
     }
@@ -127,8 +138,10 @@ class Relay(
     }
 
     fun send(signedEvent: Event) {
-        if (write)
+        if (write) {
             socket?.send("""["EVENT",${signedEvent.toJson()}]""")
+            eventUploadCounter++
+        }
     }
 
     fun close(subscriptionId: String){

app/src/main/java/com/vitorpamplona/amethyst/service/relays/RelayPool.kt

@@ -24,6 +24,10 @@ object RelayPool: Relay.Listener {
         return relays.filter { it.isConnected() }.size
     }
 
+    fun getRelay(url: String): Relay? {
+        return relays.firstOrNull() { it.url == url }
+    }
+
     fun loadRelays(relayList: List<Relay>? = null){
         if (!relayList.isNullOrEmpty()){
             relayList.forEach { addRelay(it) }

app/src/main/java/com/vitorpamplona/amethyst/ui/MainActivity.kt

@@ -15,6 +15,8 @@ import coil.decode.GifDecoder
 import coil.decode.ImageDecoderDecoder
 import coil.decode.SvgDecoder
 import com.vitorpamplona.amethyst.KeyStorage
+import com.vitorpamplona.amethyst.ServiceManager
+import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.service.NostrAccountDataSource
 import com.vitorpamplona.amethyst.service.NostrChannelDataSource
 import com.vitorpamplona.amethyst.service.NostrChatroomListDataSource
@@ -68,24 +70,13 @@ class MainActivity : ComponentActivity() {
 
   override fun onResume() {
     super.onResume()
-    Client.connect()
+
+    ServiceManager.start()
   }
 
   override fun onPause() {
-    NostrAccountDataSource.stop()
+    ServiceManager.pause()
-    NostrHomeDataSource.stop()
-    NostrChannelDataSource.stop()
-    NostrChatroomListDataSource.stop()
-    NostrUserProfileDataSource.stop()
-    NostrUserProfileFollowersDataSource.stop()
-    NostrUserProfileFollowsDataSource.stop()
 
-    NostrGlobalDataSource.stop()
-    NostrNotificationDataSource.stop()
-    NostrSingleEventDataSource.stop()
-    NostrSingleUserDataSource.stop()
-    NostrThreadDataSource.stop()
-    Client.disconnect()
     super.onPause()
   }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewRelayListView.kt

@@ -0,0 +1,369 @@
+package com.vitorpamplona.amethyst.ui.actions
+
+import androidx.compose.foundation.border
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.Button
+import androidx.compose.material.ButtonDefaults
+import androidx.compose.material.Checkbox
+import androidx.compose.material.Colors
+import androidx.compose.material.Divider
+import androidx.compose.material.Icon
+import androidx.compose.material.IconButton
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.OutlinedTextField
+import androidx.compose.material.Surface
+import androidx.compose.material.Text
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Add
+import androidx.compose.material.icons.filled.Cancel
+import androidx.compose.material.icons.filled.Delete
+import androidx.compose.material.icons.filled.Download
+import androidx.compose.material.icons.filled.DownloadDone
+import androidx.compose.material.icons.filled.SyncProblem
+import androidx.compose.material.icons.filled.Upload
+import androidx.compose.material.icons.outlined.BarChart
+import androidx.compose.material.icons.outlined.Delete
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.ExperimentalComposeUiApi
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.input.KeyboardCapitalization
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.vitorpamplona.amethyst.model.Account
+import java.lang.Math.round
+
+@OptIn(ExperimentalComposeUiApi::class)
+@Composable
+fun NewRelayListView(onClose: () -> Unit, account: Account) {
+    val postViewModel: NewRelayListViewModel = viewModel()
+
+    val feedState by postViewModel.relays.collectAsState()
+
+    LaunchedEffect(Unit) {
+        postViewModel.load(account)
+    }
+
+    Dialog(
+        onDismissRequest = { onClose() },
+        properties = DialogProperties(
+            usePlatformDefaultWidth = false,
+            dismissOnClickOutside = false
+        )
+    ) {
+        Surface(
+        ) {
+            Column(
+                modifier = Modifier.padding(10.dp)
+            ) {
+                Row(
+                    modifier = Modifier
+                        .fillMaxWidth(),
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    CloseButton(onCancel = {
+                        postViewModel.clear()
+                        onClose()
+                    })
+
+                    PostButton(
+                        onPost = {
+                            postViewModel.create()
+                            onClose()
+                        },
+                        true
+                    )
+                }
+
+                Spacer(modifier = Modifier.height(10.dp))
+
+                Row(modifier = Modifier.fillMaxWidth(1f), verticalAlignment = Alignment.CenterVertically) {
+                    LazyColumn(
+                        contentPadding = PaddingValues(
+                            top = 10.dp,
+                            bottom = 10.dp
+                        ),
+                    ) {
+                        itemsIndexed(feedState, key = { _, item -> item.url }) { index, item ->
+                            if (index == 0)
+                                ServerConfigHeader()
+                            ServerConfig(item,
+                                onToggleDownload = {
+                                    postViewModel.toggleDownload(it)
+                                },
+                                onToggleUpload = {
+                                    postViewModel.toggleUpload(it)
+                                },
+                                onDelete = {
+                                    postViewModel.deleteRelay(it)
+                                }
+                            )
+                        }
+                    }
+
+                }
+
+                Spacer(modifier = Modifier.height(10.dp))
+
+                EditableServerConfig() {
+                    postViewModel.addRelay(it)
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun ServerConfigHeader() {
+    Column(Modifier.fillMaxWidth()) {
+        Row(verticalAlignment = Alignment.CenterVertically) {
+            Column(Modifier.weight(1f)) {
+                Row(verticalAlignment = Alignment.CenterVertically) {
+                    Text(
+                        text = "Relay Address",
+                        modifier = Modifier.weight(1f),
+                        maxLines = 1,
+                        overflow = TextOverflow.Ellipsis
+                    )
+                }
+            }
+
+            Column(Modifier.weight(1f)) {
+                Row(verticalAlignment = Alignment.CenterVertically) {
+                    Spacer(modifier = Modifier.size(20.dp))
+
+                    Text(
+                        text = "Posts",
+                        maxLines = 1,
+                        fontSize = 14.sp,
+                        modifier = Modifier.weight(1f),
+                        color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+                    )
+
+                    Spacer(modifier = Modifier.size(10.dp))
+
+                    Text(
+                        text = "Posts",
+                        maxLines = 1,
+                        fontSize = 14.sp,
+                        modifier = Modifier.weight(1f),
+                        color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+                    )
+
+                    Spacer(modifier = Modifier.size(10.dp))
+
+                    Text(
+                        text = "Errors",
+                        maxLines = 1,
+                        fontSize = 14.sp,
+                        modifier = Modifier.weight(1f),
+                        color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+                    )
+
+                    Spacer(modifier = Modifier.size(20.dp))
+                }
+            }
+        }
+
+        Divider(
+            thickness = 0.25.dp
+        )
+    }
+}
+
+@Composable
+fun ServerConfig(
+    item: NewRelayListViewModel.Relay,
+    onToggleDownload: (NewRelayListViewModel.Relay) -> Unit,
+    onToggleUpload: (NewRelayListViewModel.Relay) -> Unit,
+    onDelete: (NewRelayListViewModel.Relay) -> Unit) {
+    Column(Modifier.fillMaxWidth()) {
+        Row(verticalAlignment = Alignment.CenterVertically) {
+            Column(Modifier.weight(1f)) {
+                Row(verticalAlignment = Alignment.CenterVertically) {
+                    Text(
+                        text = item.url.removePrefix("wss://"),
+                        modifier = Modifier.weight(1f),
+                        maxLines = 1,
+                        overflow = TextOverflow.Ellipsis
+                    )
+                }
+            }
+
+            Column(Modifier.weight(1f)) {
+                Row(verticalAlignment = Alignment.CenterVertically) {
+                    IconButton(
+                        modifier = Modifier.size(30.dp),
+                        onClick = { onToggleDownload(item) }
+                    ) {
+                        Icon(
+                            imageVector = Icons.Default.Download,
+                            null,
+                            modifier = Modifier.padding(horizontal = 5.dp).size(15.dp),
+                            tint = if (item.read) Color.Green else Color.Red
+                        )
+                    }
+
+                    Text(
+                        text = "${countToHumanReadable(item.downloadCount)}",
+                        maxLines = 1,
+                        fontSize = 14.sp,
+                        modifier = Modifier.weight(1f),
+                        color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+                    )
+
+                    IconButton(
+                        modifier = Modifier.size(30.dp),
+                        onClick = { onToggleUpload(item) }
+                    ) {
+                        Icon(
+                            imageVector = Icons.Default.Upload,
+                            null,
+                            modifier = Modifier.padding(horizontal = 5.dp).size(15.dp),
+                            tint = if (item.write) Color.Green else Color.Red
+                        )
+                    }
+
+                    Text(
+                        text = "${countToHumanReadable(item.uploadCount)}",
+                        maxLines = 1,
+                        fontSize = 14.sp,
+                        modifier = Modifier.weight(1f),
+                        color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+                    )
+
+                    Icon(
+                        imageVector = Icons.Default.SyncProblem,
+                        null,
+                        modifier = Modifier.padding(horizontal = 5.dp).size(15.dp),
+                        tint = if (item.errorCount > 0) Color.Yellow else Color.Green
+                    )
+
+                    Text(
+                        text = "${countToHumanReadable(item.errorCount)}",
+                        maxLines = 1,
+                        fontSize = 14.sp,
+                        modifier = Modifier.weight(1f),
+                        color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+                    )
+
+                    IconButton(
+                        modifier = Modifier.size(30.dp),
+                        onClick = { onDelete(item) }
+                    ) {
+                        Icon(
+                            imageVector = Icons.Default.Cancel,
+                            null,
+                            modifier = Modifier.padding(horizontal = 5.dp).size(15.dp),
+                            tint = Color.Red
+                        )
+                    }
+                }
+            }
+        }
+
+        Divider(
+            thickness = 0.25.dp
+        )
+    }
+}
+
+@Composable
+fun EditableServerConfig(onNewRelay: (NewRelayListViewModel.Relay) -> Unit) {
+    var url by remember { mutableStateOf<String>("") }
+    var read by remember { mutableStateOf(true) }
+    var write by remember { mutableStateOf(true) }
+
+    Row(verticalAlignment = Alignment.CenterVertically) {
+        OutlinedTextField(
+            label = { Text(text = "Add a Relay") },
+            modifier =  Modifier.weight(1f),
+            value = url,
+            onValueChange = { url = it },
+            placeholder = {
+                Text(
+                    text = "server.com",
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+                    maxLines = 1
+                )
+            },
+            singleLine = true
+        )
+
+        IconButton(onClick = { read = !read }) {
+            Icon(
+                imageVector = Icons.Default.Download,
+                null,
+                modifier = Modifier
+                    .size(35.dp)
+                    .padding(horizontal = 5.dp),
+                tint = if (read) Color.Green else Color.Red
+            )
+        }
+
+        IconButton(onClick = { write = !write }) {
+            Icon(
+                imageVector = Icons.Default.Upload,
+                null,
+                modifier = Modifier
+                    .size(35.dp)
+                    .padding(horizontal = 5.dp),
+                tint = if (write) Color.Green else Color.Red
+            )
+        }
+
+        Button(
+            onClick = {
+                if (url.isNotBlank()) {
+                    val addedWSS = if (!url.startsWith("wss://")) "wss://$url" else url
+                    onNewRelay(NewRelayListViewModel.Relay(addedWSS, read, write))
+                    url = ""
+                    write = true
+                    read = true
+                }
+            },
+            shape = RoundedCornerShape(20.dp),
+            colors = ButtonDefaults
+                .buttonColors(
+                    backgroundColor = if (url.isNotBlank()) MaterialTheme.colors.primary else Color.Gray
+                )
+        ) {
+            Text(text = "Add", color = Color.White)
+        }
+
+    }
+}
+
+
+fun countToHumanReadable(counter: Int) = when {
+    counter >= 1000000000 -> "${round(counter/1000000000f)}G"
+    counter >= 1000000 -> "${round(counter/1000000f)}M"
+    counter >= 1000 -> "${round(counter/1000f)}k"
+    else -> "$counter"
+}

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewRelayListViewModel.kt

@@ -0,0 +1,92 @@
+package com.vitorpamplona.amethyst.ui.actions
+
+import androidx.lifecycle.ViewModel
+import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.service.Constants
+import com.vitorpamplona.amethyst.service.relays.RelayPool
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
+import nostr.postr.events.ContactListEvent
+
+class NewRelayListViewModel: ViewModel() {
+    private lateinit var account: Account
+
+    data class Relay(
+        val url: String,
+        val read: Boolean,
+        val write: Boolean,
+        val errorCount: Int = 0,
+        val downloadCount: Int = 0,
+        val uploadCount: Int = 0
+    )
+
+    private val _relays = MutableStateFlow<List<Relay>>(emptyList())
+    val relays = _relays.asStateFlow()
+
+    fun load(account: Account) {
+        this.account = account
+        clear()
+    }
+
+    fun create() {
+        relays.let {
+            account.sendNewRelayList(it.value.associate { it.url to ContactListEvent.ReadWrite(it.read, it.write) } )
+        }
+
+        clear()
+    }
+
+    fun clear() {
+        _relays.update {
+            val relayFile = account.userProfile().relays
+
+            if (relayFile != null)
+                relayFile.map {
+                    val liveRelay = RelayPool.getRelay(it.key)
+
+                    val errorCounter = liveRelay?.errorCounter ?: 0
+                    val eventDownloadCounter = liveRelay?.eventDownloadCounter ?: 0
+                    val eventUploadCounter = liveRelay?.eventUploadCounter ?: 0
+
+                    Relay(it.key, it.value.read, it.value.write, errorCounter, eventDownloadCounter, eventUploadCounter)
+                }.sortedBy { it.downloadCount }.reversed()
+            else
+                Constants.defaultRelays.map {
+                    val liveRelay = RelayPool.getRelay(it.url)
+
+                    val errorCounter = liveRelay?.errorCounter ?: 0
+                    val eventDownloadCounter = liveRelay?.eventDownloadCounter ?: 0
+                    val eventUploadCounter = liveRelay?.eventUploadCounter ?: 0
+
+                    Relay(it.url, it.read, it.write, errorCounter, eventDownloadCounter, eventUploadCounter)
+                }
+        }
+    }
+
+    fun addRelay(relay: Relay) {
+        _relays.update {
+            it.plus(relay)
+        }
+    }
+
+    fun deleteRelay(relay: Relay) {
+        _relays.update {
+            it.minus(relay)
+        }
+    }
+
+    fun toggleDownload(relay: Relay) {
+        _relays.update {
+            it.updated(relay, relay.copy(read = !relay.read))
+        }
+    }
+
+    fun toggleUpload(relay: Relay) {
+        _relays.update {
+            it.updated(relay, relay.copy(write = !relay.write))
+        }
+    }
+}
+
+fun <T> Iterable<T>.updated(old: T, new: T): List<T> = map { if (it == old) new else it }

app/src/main/java/com/vitorpamplona/amethyst/ui/navigation/AppTopBar.kt

@@ -1,7 +1,11 @@
 package com.vitorpamplona.amethyst.ui.navigation
 
 import android.util.Log
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
@@ -20,12 +24,17 @@ import androidx.compose.material.icons.filled.ArrowBack
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.text.font.FontStyle
+import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavHostController
@@ -46,6 +55,8 @@ import com.vitorpamplona.amethyst.service.NostrUserProfileFollowersDataSource
 import com.vitorpamplona.amethyst.service.NostrUserProfileFollowsDataSource
 import com.vitorpamplona.amethyst.service.relays.Client
 import com.vitorpamplona.amethyst.service.relays.RelayPool
+import com.vitorpamplona.amethyst.ui.actions.NewRelayListView
+import com.vitorpamplona.amethyst.ui.actions.NewUserMetadataView
 import com.vitorpamplona.amethyst.ui.screen.RelayPoolViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import kotlinx.coroutines.launch
@@ -72,49 +83,92 @@ fun MainTopBar(scaffoldState: ScaffoldState, accountViewModel: AccountViewModel)
 
     val coroutineScope = rememberCoroutineScope()
 
+    var wantsToEditRelays by remember {
+        mutableStateOf(false)
+    }
+
+    if (wantsToEditRelays)
+        NewRelayListView({ wantsToEditRelays = false }, account)
+
     Column() {
         TopAppBar(
             elevation = 0.dp,
             backgroundColor = Color(0xFFFFFF),
             title = {
                 Column(
-                    modifier = Modifier
+                    modifier = Modifier.fillMaxWidth(),
-                        .padding(start = 22.dp, end = 0.dp)
-                        .fillMaxWidth(),
                     horizontalAlignment = Alignment.CenterHorizontally
                 ) {
-                    IconButton(
+                    Box() {
-                        onClick = {
+                        Column(
-                            Client.allSubscriptions().map { "${it} ${Client.getSubscriptionFilters(it).joinToString { it.toJson() }}" }.forEach {
+                            modifier = Modifier
-                                Log.d("CURRENT FILTERS", it)
+                                .fillMaxWidth()
+                                .padding(start = 0.dp, end = 20.dp),
+                            horizontalAlignment = Alignment.CenterHorizontally
+                        ) {
+                            IconButton(
+                                onClick = {
+                                    Client.allSubscriptions().map {
+                                        "${it} ${
+                                            Client.getSubscriptionFilters(it)
+                                                .joinToString { it.toJson() }
+                                        }"
+                                    }.forEach {
+                                        Log.d("CURRENT FILTERS", it)
+                                    }
+
+                                    NostrAccountDataSource.printCounter()
+                                    NostrChannelDataSource.printCounter()
+                                    NostrChatRoomDataSource.printCounter()
+                                    NostrChatroomListDataSource.printCounter()
+
+                                    NostrGlobalDataSource.printCounter()
+                                    NostrHomeDataSource.printCounter()
+                                    NostrNotificationDataSource.printCounter()
+
+                                    NostrSingleEventDataSource.printCounter()
+                                    NostrSingleUserDataSource.printCounter()
+                                    NostrThreadDataSource.printCounter()
+
+                                    NostrUserProfileDataSource.printCounter()
+                                    NostrUserProfileFollowersDataSource.printCounter()
+                                    NostrUserProfileFollowsDataSource.printCounter()
+
+                                    println("AAA: " + RelayPool.connectedRelays())
+                                }
+                            ) {
+                                Icon(
+                                    painter = painterResource(R.drawable.amethyst),
+                                    null,
+                                    modifier = Modifier.size(40.dp),
+                                    tint = Color.Unspecified
+                                )
+                            }
+                        }
+
+                        Column(
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .fillMaxHeight(),
+                            horizontalAlignment = Alignment.End,
+
+                        ) {
+                            Row(
+                                modifier = Modifier.fillMaxHeight(),
+                                verticalAlignment = Alignment.CenterVertically
+                            ) {
+                                Text(
+                                    "${connectedRelaysLiveData ?: "--"}/${availableRelaysLiveData ?: "--"}",
+                                    color = if (connectedRelaysLiveData == 0) Color.Red else MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+                                    style = MaterialTheme.typography.subtitle1,
+                                    modifier = Modifier.clickable(
+                                        onClick = {
+                                            wantsToEditRelays = true
+                                        }
+                                    )
+                                )
                             }
-
-                            NostrAccountDataSource.printCounter()
-                            NostrChannelDataSource.printCounter()
-                            NostrChatRoomDataSource.printCounter()
-                            NostrChatroomListDataSource.printCounter()
-
-                            NostrGlobalDataSource.printCounter()
-                            NostrHomeDataSource.printCounter()
-                            NostrNotificationDataSource.printCounter()
-
-                            NostrSingleEventDataSource.printCounter()
-                            NostrSingleUserDataSource.printCounter()
-                            NostrThreadDataSource.printCounter()
-
-                            NostrUserProfileDataSource.printCounter()
-                            NostrUserProfileFollowersDataSource.printCounter()
-                            NostrUserProfileFollowsDataSource.printCounter()
-
-                            println("AAA: " + RelayPool.connectedRelays())
                         }
-                    ) {
-                        Icon(
-                            painter = painterResource(R.drawable.amethyst),
-                            null,
-                            modifier = Modifier.size(40.dp),
-                            tint = Color.Unspecified
-                        )
                     }
                 }
             },
@@ -131,17 +185,13 @@ fun MainTopBar(scaffoldState: ScaffoldState, accountViewModel: AccountViewModel)
                         model = accountUser?.profilePicture() ?: "https://robohash.org/ohno.png",
                         contentDescription = "Profile Image",
                         modifier = Modifier
-                            .width(34.dp).height(34.dp)
+                            .width(34.dp)
+                            .height(34.dp)
                             .clip(shape = CircleShape),
                     )
                 }
             },
             actions = {
-                Text(
-                    "${connectedRelaysLiveData ?: "--"}/${availableRelaysLiveData ?: "--"}",
-                    color = if (connectedRelaysLiveData == 0) Color.Red else MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
-                )
-
                 IconButton(
                     onClick = {}, modifier = Modifier
                 ) {

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/AccountStateViewModel.kt

@@ -1,7 +1,9 @@
 package com.vitorpamplona.amethyst.ui.screen
 
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import androidx.security.crypto.EncryptedSharedPreferences
+import com.vitorpamplona.amethyst.ServiceManager
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.DefaultChannels
 import com.vitorpamplona.amethyst.model.toByteArray
@@ -13,16 +15,24 @@ import com.vitorpamplona.amethyst.service.NostrNotificationDataSource
 import com.vitorpamplona.amethyst.service.NostrSingleEventDataSource
 import com.vitorpamplona.amethyst.service.NostrSingleUserDataSource
 import com.vitorpamplona.amethyst.service.NostrThreadDataSource
+import com.vitorpamplona.amethyst.service.relays.Client
+import com.vitorpamplona.amethyst.ui.MainActivity
 import fr.acinq.secp256k1.Hex
 import java.util.regex.Pattern
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
 import nostr.postr.Persona
 import nostr.postr.bechToBytes
 import nostr.postr.toHex
 
-class AccountStateViewModel(private val encryptedPreferences: EncryptedSharedPreferences): ViewModel() {
+class AccountStateViewModel(
+  private val encryptedPreferences: EncryptedSharedPreferences
+): ViewModel() {
   private val _accountContent = MutableStateFlow<AccountState>(AccountState.LoggedOff)
   val accountContent = _accountContent.asStateFlow()
 
@@ -65,19 +75,9 @@ class AccountStateViewModel(private val encryptedPreferences: EncryptedSharedPre
     else
       _accountContent.update { AccountState.LoggedInViewOnly ( account ) }
 
-    NostrAccountDataSource.account = account
+    viewModelScope.launch(Dispatchers.IO) {
-    NostrHomeDataSource.account = account
+      ServiceManager.start(account)
-    NostrNotificationDataSource.account = account
+    }
-    NostrChatroomListDataSource.account = account
-
-    NostrAccountDataSource.start()
-    NostrGlobalDataSource.start()
-    NostrHomeDataSource.start()
-    NostrNotificationDataSource.start()
-    NostrSingleEventDataSource.start()
-    NostrSingleUserDataSource.start()
-    NostrThreadDataSource.start()
-    NostrChatroomListDataSource.start()
   }
 
   fun logOff() {
@@ -90,6 +90,7 @@ class AccountStateViewModel(private val encryptedPreferences: EncryptedSharedPre
     encryptedPreferences.edit().apply {
       remove("nostr_privkey")
       remove("nostr_pubkey")
+      remove("following_channels")
     }.apply()
   }