v0.51.2

Retain state when rotating device.

app/build.gradle

@@ -13,8 +13,8 @@ android {
         applicationId "com.vitorpamplona.amethyst"
         minSdk 26
         targetSdk 33
-        versionCode 163
-        versionName "0.49.0"
+        versionCode 177
+        versionName "0.51.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
@@ -82,7 +82,6 @@ android {
     lint {
         disable 'MissingTranslation'
     }
-
 }
 
 dependencies {
@@ -128,17 +127,18 @@ dependencies {
     implementation 'com.squareup.okhttp3:okhttp:5.0.0-alpha.11'
 
     // Json Serialization TODO: We might need to converge between gson and Jackson (we are usin both)
-    implementation 'com.fasterxml.jackson.module:jackson-module-kotlin:2.15.0'
+    implementation 'com.fasterxml.jackson.module:jackson-module-kotlin:2.15.1'
     implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
 
     // link preview
-    implementation 'tw.com.oneup.www:Baha-UrlPreview:1.0.1'
+    implementation 'org.jsoup:jsoup:1.13.1'
+    //implementation 'tw.com.oneup.www:Baha-UrlPreview:1.0.1'
 
     // Encrypted Key Storage
     implementation 'androidx.security:security-crypto-ktx:1.1.0-alpha06'
 
     // view videos
-    implementation 'com.google.android.exoplayer:exoplayer:2.18.6'
+    implementation 'com.google.android.exoplayer:exoplayer:2.18.7'
 
     // Load images from the web.
     implementation "io.coil-kt:coil-compose:$coil_version"
@@ -177,8 +177,17 @@ dependencies {
     playImplementation platform('com.google.firebase:firebase-bom:32.0.0')
     playImplementation 'com.google.firebase:firebase-messaging-ktx'
 
+    // Charts
+    implementation "com.patrykandpatrick.vico:core:${vico_version}"
+    implementation "com.patrykandpatrick.vico:compose:${vico_version}"
+    implementation "com.patrykandpatrick.vico:views:${vico_version}"
+    implementation "com.patrykandpatrick.vico:compose-m2:${vico_version}"
+
+    // immutable collections to avoid recomposition
+    implementation("org.jetbrains.kotlinx:kotlinx-collections-immutable:0.3.5")
+
     // Automatic memory leak detection
-    debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.10'
+    debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.11'
 
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'io.mockk:mockk:1.13.5'

app/src/fdroid/java/com/vitorpamplona/amethyst/ui/components/TranslatableRichTextViewer.kt

@@ -3,7 +3,6 @@ package com.vitorpamplona.amethyst.ui.components
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 
 @Composable
@@ -14,7 +13,7 @@ fun TranslatableRichTextViewer(
     tags: List<List<String>>?,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
-    navController: NavController
+    nav: (String) -> Unit
 ) = ExpandableRichTextViewer(
     content,
     canPreview,
@@ -22,5 +21,5 @@ fun TranslatableRichTextViewer(
     tags,
     backgroundColor,
     accountViewModel,
-    navController
+    nav
 )

app/src/main/AndroidManifest.xml

@@ -35,6 +35,7 @@
             android:name=".ui.MainActivity"
             android:exported="true"
             android:windowSoftInputMode="adjustResize"
+            android:configChanges="orientation|screenSize|screenLayout"
             android:theme="@style/Theme.Amethyst">
 
             <intent-filter android:label="Amethyst">

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

@@ -251,9 +251,9 @@ object LocalPreferences {
             ) ?: LnZapEvent.ZapType.PUBLIC
 
             val defaultFileServer = gson.fromJson(
-                getString(PrefKeys.DEFAULT_FILE_SERVER, "IMGUR"),
+                getString(PrefKeys.DEFAULT_FILE_SERVER, "NOSTR_BUILD"),
                 object : TypeToken<ServersAvailable>() {}.type
-            ) ?: ServersAvailable.IMGUR
+            ) ?: ServersAvailable.NOSTR_BUILD
 
             val zapPaymentRequestServer = try {
                 getString(PrefKeys.ZAP_PAYMENT_REQUEST_SERVER, null)?.let {

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

@@ -8,6 +8,7 @@ import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 
 object NotificationCache {
+    // TODO: This must be account-based
     val lastReadByRoute = mutableMapOf<String, Long>()
 
     fun markAsRead(route: String, timestampInSecs: Long) {

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

@@ -15,7 +15,6 @@ import com.vitorpamplona.amethyst.service.NostrThreadDataSource
 import com.vitorpamplona.amethyst.service.NostrUserProfileDataSource
 import com.vitorpamplona.amethyst.service.NostrVideoDataSource
 import com.vitorpamplona.amethyst.service.relays.Client
-import com.vitorpamplona.amethyst.service.relays.Constants
 
 object ServiceManager {
     private var account: Account? = null
@@ -46,9 +45,6 @@ object ServiceManager {
             NostrSingleEventDataSource.start()
             NostrSingleChannelDataSource.start()
             NostrSingleUserDataSource.start()
-        } else {
-            // if not logged in yet, start a basic service wit default relays
-            Client.connect(Constants.convertDefaultRelays())
         }
     }
 

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

@@ -2,6 +2,8 @@ package com.vitorpamplona.amethyst.model
 
 import android.content.res.Resources
 import android.util.Log
+import androidx.compose.runtime.Immutable
+import androidx.compose.runtime.Stable
 import androidx.core.os.ConfigurationCompat
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.FileHeader
@@ -43,6 +45,7 @@ val GLOBAL_FOLLOWS = " Global "
 val KIND3_FOLLOWS = " All Follows "
 
 @OptIn(DelicateCoroutinesApi::class)
+@Stable
 class Account(
     val loggedIn: Persona,
     var followingChannels: Set<String> = DefaultChannels,
@@ -53,7 +56,7 @@ class Account(
     var translateTo: String = Locale.getDefault().language,
     var zapAmountChoices: List<Long> = listOf(500L, 1000L, 5000L),
     var defaultZapType: LnZapEvent.ZapType = LnZapEvent.ZapType.PRIVATE,
-    var defaultFileServer: ServersAvailable = ServersAvailable.IMGUR,
+    var defaultFileServer: ServersAvailable = ServersAvailable.NOSTR_BUILD,
     var defaultHomeFollowList: String = KIND3_FOLLOWS,
     var defaultStoriesFollowList: String = GLOBAL_FOLLOWS,
     var defaultNotificationFollowList: String = GLOBAL_FOLLOWS,
@@ -217,7 +220,12 @@ class Account(
         zapPaymentRequest?.let { nip47 ->
             val event = LnZapPaymentRequestEvent.create(bolt11, nip47.pubKeyHex, nip47.secret?.hexToByteArray() ?: loggedIn.privKey!!)
 
-            val wcListener = NostrLnZapPaymentResponseDataSource(nip47.pubKeyHex, event.pubKey, event.id)
+            val wcListener = NostrLnZapPaymentResponseDataSource(
+                fromServiceHex = nip47.pubKeyHex,
+                toUserHex = event.pubKey,
+                replyingToHex = event.id,
+                authSigningKey = nip47.secret?.hexToByteArray() ?: loggedIn.privKey!!
+            )
             wcListener.start()
 
             LocalCache.consume(event, zappedNote) {
@@ -593,18 +601,33 @@ class Account(
 
         val bookmarks = userProfile().latestBookmarkList
 
-        val event = BookmarkListEvent.create(
-            "bookmark",
-            bookmarks?.taggedEvents() ?: emptyList(),
-            bookmarks?.taggedUsers() ?: emptyList(),
-            bookmarks?.taggedAddresses() ?: emptyList(),
+        val event = if (note is AddressableNote) {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents() ?: emptyList(),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses() ?: emptyList(),
 
-            bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!)?.plus(note.idHex) ?: listOf(note.idHex),
-            bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
-            bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!)?.plus(note.address) ?: listOf(note.address),
 
-            loggedIn.privKey!!
-        )
+                loggedIn.privKey!!
+            )
+        } else {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents() ?: emptyList(),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses() ?: emptyList(),
+
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!)?.plus(note.idHex) ?: listOf(note.idHex),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+
+                loggedIn.privKey!!
+            )
+        }
 
         Client.send(event)
         LocalCache.consume(event)
@@ -615,18 +638,33 @@ class Account(
 
         val bookmarks = userProfile().latestBookmarkList
 
-        val event = BookmarkListEvent.create(
-            "bookmark",
-            bookmarks?.taggedEvents()?.plus(note.idHex) ?: listOf(note.idHex),
-            bookmarks?.taggedUsers() ?: emptyList(),
-            bookmarks?.taggedAddresses() ?: emptyList(),
+        val event = if (note is AddressableNote) {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents() ?: emptyList(),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses()?.plus(note.address) ?: listOf(note.address),
 
-            bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
-            bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
-            bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
 
-            loggedIn.privKey!!
-        )
+                loggedIn.privKey!!
+            )
+        } else {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents()?.plus(note.idHex) ?: listOf(note.idHex),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses() ?: emptyList(),
+
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+
+                loggedIn.privKey!!
+            )
+        }
 
         Client.send(event)
         LocalCache.consume(event)
@@ -637,18 +675,33 @@ class Account(
 
         val bookmarks = userProfile().latestBookmarkList
 
-        val event = BookmarkListEvent.create(
-            "bookmark",
-            bookmarks?.taggedEvents() ?: emptyList(),
-            bookmarks?.taggedUsers() ?: emptyList(),
-            bookmarks?.taggedAddresses() ?: emptyList(),
+        val event = if (note is AddressableNote) {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents() ?: emptyList(),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses() ?: emptyList(),
 
-            bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!)?.minus(note.idHex) ?: listOf(),
-            bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
-            bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!)?.minus(note.address) ?: listOf(),
 
-            loggedIn.privKey!!
-        )
+                loggedIn.privKey!!
+            )
+        } else {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents() ?: emptyList(),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses() ?: emptyList(),
+
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!)?.minus(note.idHex) ?: listOf(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+
+                loggedIn.privKey!!
+            )
+        }
 
         Client.send(event)
         LocalCache.consume(event)
@@ -665,18 +718,33 @@ class Account(
 
         val bookmarks = userProfile().latestBookmarkList
 
-        val event = BookmarkListEvent.create(
-            "bookmark",
-            bookmarks?.taggedEvents()?.minus(note.idHex),
-            bookmarks?.taggedUsers() ?: emptyList(),
-            bookmarks?.taggedAddresses() ?: emptyList(),
+        val event = if (note is AddressableNote) {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents() ?: emptyList(),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses()?.minus(note.address),
 
-            bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
-            bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
-            bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
 
-            loggedIn.privKey!!
-        )
+                loggedIn.privKey!!
+            )
+        } else {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents()?.minus(note.idHex),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses() ?: emptyList(),
+
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+
+                loggedIn.privKey!!
+            )
+        }
 
         Client.send(event)
         LocalCache.consume(event)
@@ -1101,4 +1169,5 @@ class AccountLiveData(private val account: Account) : LiveData<AccountState>(Acc
     }
 }
 
+@Immutable
 class AccountState(val account: Account)

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

@@ -57,7 +57,7 @@ class Channel(val idHex: String) {
     fun pruneOldAndHiddenMessages(account: Account): Set<Note> {
         val important = notes.values
             .filter { it.author?.let { it1 -> account.isHidden(it1) } == false }
-            .sortedBy { it.createdAt() }
+            .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             .reversed()
             .take(1000)
             .toSet()

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

@@ -50,6 +50,23 @@ fun decodePublicKey(key: String): ByteArray {
     }
 }
 
+fun decodePublicKeyAsHexOrNull(key: String): HexKey? {
+    return try {
+        val parsed = Nip19.uriToRoute(key)
+        val pubKeyParsed = parsed?.hex
+
+        if (key.startsWith("nsec")) {
+            Persona(privKey = key.bechToBytes()).pubKey.toHexKey()
+        } else if (pubKeyParsed != null) {
+            pubKeyParsed
+        } else {
+            Hex.decode(key).toHexKey()
+        }
+    } catch (e: Exception) {
+        null
+    }
+}
+
 data class DirtyKeyInfo(val key: Nip19.Return, val restOfWord: String)
 
 fun parseDirtyWordForKey(mightBeAKey: String): DirtyKeyInfo? {

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

@@ -1,11 +1,11 @@
 package com.vitorpamplona.amethyst.model
 
 import android.util.Log
-import androidx.core.net.toUri
 import com.fasterxml.jackson.databind.DeserializationFeature
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.vitorpamplona.amethyst.Amethyst
 import com.vitorpamplona.amethyst.service.model.*
+import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.ui.components.BundledInsert
 import fr.acinq.secp256k1.Hex
@@ -553,17 +553,20 @@ object LocalCache {
         // Log.d("MT", "New Event ${event.content} ${event.id.toHex()}")
         val oldChannel = getOrCreateChannel(event.id)
         val author = getOrCreateUser(event.pubKey)
+
+        val note = getOrCreateNote(event.id)
+        if (note.event == null) {
+            oldChannel.addNote(note)
+            note.loadEvent(event, author, emptyList())
+
+            refreshObservers(note)
+        }
+
         if (event.createdAt <= oldChannel.updatedMetadataAt) {
             return // older data, does nothing
         }
         if (oldChannel.creator == null || oldChannel.creator == author) {
             oldChannel.updateChannelInfo(author, event.channelInfo(), event.createdAt)
-
-            val note = getOrCreateNote(event.id)
-            oldChannel.addNote(note)
-            note.loadEvent(event, author, emptyList())
-
-            refreshObservers(note)
         }
     }
 
@@ -578,16 +581,18 @@ object LocalCache {
         if (event.createdAt > oldChannel.updatedMetadataAt) {
             if (oldChannel.creator == null || oldChannel.creator == author) {
                 oldChannel.updateChannelInfo(author, event.channelInfo(), event.createdAt)
-
-                val note = getOrCreateNote(event.id)
-                oldChannel.addNote(note)
-                note.loadEvent(event, author, emptyList())
-
-                refreshObservers(note)
             }
         } else {
             // Log.d("MT","Relay sent a previous Metadata Event ${oldUser.toBestDisplayName()} ${formattedDateTime(event.createdAt)} > ${formattedDateTime(oldUser.updatedAt)}")
         }
+
+        val note = getOrCreateNote(event.id)
+        if (note.event == null) {
+            oldChannel.addNote(note)
+            note.loadEvent(event, author, emptyList())
+
+            refreshObservers(note)
+        }
     }
 
     fun consume(event: ChannelMessageEvent, relay: Relay?) {
@@ -763,19 +768,18 @@ object LocalCache {
             note.addRelay(relay)
         }
 
-        val file = File(Amethyst.instance.applicationContext.externalCacheDir, "NIP95")
-
-        if (!file.exists()) {
-            try {
-                val cachePath = File(Amethyst.instance.applicationContext.externalCacheDir, "NIP95")
-                cachePath.mkdirs()
-                val stream = FileOutputStream(File(cachePath, event.id))
+        try {
+            val cachePath = File(Amethyst.instance.applicationContext.externalCacheDir, "NIP95")
+            cachePath.mkdirs()
+            val file = File(cachePath, event.id)
+            if (!file.exists()) {
+                val stream = FileOutputStream(file)
                 stream.write(event.decode())
                 stream.close()
-                Log.e("EventLogger", "Saved to disk as ${File(cachePath, event.id).toUri()}")
-            } catch (e: IOException) {
-                Log.e("FileSotrageEvent", "FileStorageEvent save to disk error: " + event.id, e)
+                Log.i("FileStorageEvent", "NIP95 File received from ${relay?.url} and saved to disk as $file")
             }
+        } catch (e: IOException) {
+            Log.e("FileStorageEvent", "FileStorageEvent save to disk error: " + event.id, e)
         }
 
         // Already processed this event.
@@ -835,6 +839,12 @@ object LocalCache {
     }
 
     fun findUsersStartingWith(username: String): List<User> {
+        val key = decodePublicKeyAsHexOrNull(username)
+
+        if (key != null && users[key] != null) {
+            return listOfNotNull(users[key])
+        }
+
         return users.values.filter {
             (it.anyNameStartsWith(username)) ||
                 it.pubkeyHex.startsWith(username, true) ||
@@ -843,6 +853,16 @@ object LocalCache {
     }
 
     fun findNotesStartingWith(text: String): List<Note> {
+        val key = try {
+            Nip19.uriToRoute(text)?.hex ?: Hex.decode(text).toHexKey()
+        } catch (e: Exception) {
+            null
+        }
+
+        if (key != null && (notes[key] ?: addressables[key]) != null) {
+            return listOfNotNull(notes[key] ?: addressables[key])
+        }
+
         return notes.values.filter {
             (it.event is TextNoteEvent && it.event?.content()?.contains(text, true) ?: false) ||
                 (it.event is PollNoteEvent && it.event?.content()?.contains(text, true) ?: false) ||
@@ -858,6 +878,16 @@ object LocalCache {
     }
 
     fun findChannelsStartingWith(text: String): List<Channel> {
+        val key = try {
+            Nip19.uriToRoute(text)?.hex ?: Hex.decode(text).toHexKey()
+        } catch (e: Exception) {
+            null
+        }
+
+        if (key != null && channels[key] != null) {
+            return listOfNotNull(channels[key])
+        }
+
         return channels.values.filter {
             it.anyNameStartsWith(text) ||
                 it.idHex.startsWith(text, true) ||

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

@@ -1,5 +1,7 @@
 package com.vitorpamplona.amethyst.model
 
+import androidx.compose.runtime.Immutable
+import androidx.compose.runtime.Stable
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.NostrSingleEventDataSource
 import com.vitorpamplona.amethyst.service.lnurl.LnInvoiceUtil
@@ -20,6 +22,7 @@ import java.util.regex.Pattern
 
 val tagSearch = Pattern.compile("(?:\\s|\\A)\\#\\[([0-9]+)\\]")
 
+@Stable
 class AddressableNote(val address: ATag) : Note(address.toTag()) {
     override fun idNote() = address.toNAddr()
     override fun toNEvent() = address.toNAddr()
@@ -28,6 +31,7 @@ class AddressableNote(val address: ATag) : Note(address.toTag()) {
     override fun createdAt() = (event as? LongTextNoteEvent)?.publishedAt() ?: event?.createdAt()
 }
 
+@Stable
 open class Note(val idHex: String) {
     // These fields are only available after the Text Note event is received.
     // They are immutable after that.
@@ -439,4 +443,5 @@ class NoteLiveData(val note: Note) : LiveData<NoteState>(NoteState(note)) {
     }
 }
 
+@Immutable
 class NoteState(val note: Note)

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

@@ -1,8 +1,8 @@
 package com.vitorpamplona.amethyst.model
 
-import com.baha.url.preview.BahaUrlPreview
-import com.baha.url.preview.IUrlPreviewCallback
-import com.baha.url.preview.UrlInfoItem
+import com.vitorpamplona.amethyst.service.previews.BahaUrlPreview
+import com.vitorpamplona.amethyst.service.previews.IUrlPreviewCallback
+import com.vitorpamplona.amethyst.service.previews.UrlInfoItem
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job

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

@@ -1,5 +1,7 @@
 package com.vitorpamplona.amethyst.model
 
+import androidx.compose.runtime.Immutable
+import androidx.compose.runtime.Stable
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.NostrSingleUserDataSource
 import com.vitorpamplona.amethyst.service.model.BookmarkListEvent
@@ -20,6 +22,7 @@ import java.util.regex.Pattern
 
 val lnurlpPattern = Pattern.compile("(?i:http|https):\\/\\/((.+)\\/)*\\.well-known\\/lnurlp\\/(.*)")
 
+@Stable
 class User(val pubkeyHex: String) {
     var info: UserMetadata? = null
 
@@ -358,6 +361,7 @@ data class RelayInfo(
 
 data class Chatroom(var roomMessages: Set<Note>)
 
+@Stable
 class UserMetadata {
     var name: String? = null
     var username: String? = null
@@ -417,4 +421,5 @@ class UserLiveData(val user: User) : LiveData<UserState>(UserState(user)) {
     }
 }
 
+@Immutable
 class UserState(val user: User)

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

@@ -95,7 +95,7 @@ object NostrAccountDataSource : NostrDataSource("AccountData") {
                 BadgeAwardEvent.kind
             ),
             tags = mapOf("p" to listOf(account.userProfile().pubkeyHex)),
-            limit = 400,
+            limit = 4000,
             since = latestEOSEs.users[account.userProfile()]?.followList?.get(account.defaultNotificationFollowList)?.relayList
         )
     )

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

@@ -1,14 +1,18 @@
 package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.service.model.LnZapPaymentResponseEvent
+import com.vitorpamplona.amethyst.service.model.RelayAuthEvent
+import com.vitorpamplona.amethyst.service.relays.Client
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
+import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
 
 class NostrLnZapPaymentResponseDataSource(
-    private var fromServiceHex: String,
-    private var toUserHex: String,
-    private var replyingToHex: String
+    private val fromServiceHex: String,
+    private val toUserHex: String,
+    private val replyingToHex: String,
+    private val authSigningKey: ByteArray
 ) : NostrDataSource("LnZapPaymentResponseFeed") {
 
     val feedTypes = setOf(FeedType.WALLET_CONNECT)
@@ -36,4 +40,14 @@ class NostrLnZapPaymentResponseDataSource(
 
         channel.typedFilters = listOfNotNull(wc).ifEmpty { null }
     }
+
+    override fun auth(relay: Relay, challenge: String) {
+        super.auth(relay, challenge)
+
+        val event = RelayAuthEvent.create(relay.url, challenge, authSigningKey)
+        Client.send(
+            event,
+            relay.url
+        )
+    }
 }

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

@@ -1,13 +1,13 @@
 package com.vitorpamplona.amethyst.service
 
-import com.vitorpamplona.amethyst.model.decodePublicKey
+import com.vitorpamplona.amethyst.model.toHexKey
 import com.vitorpamplona.amethyst.service.model.*
+import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
-import nostr.postr.bechToBytes
-import nostr.postr.toHex
+import fr.acinq.secp256k1.Hex
 
 object NostrSearchEventOrUserDataSource : NostrDataSource("SingleEventFeed") {
     private var searchString: String? = null
@@ -19,15 +19,8 @@ object NostrSearchEventOrUserDataSource : NostrDataSource("SingleEventFeed") {
         }
 
         val hexToWatch = try {
-            if (mySearchString.startsWith("npub") || mySearchString.startsWith("nsec")) {
-                decodePublicKey(mySearchString).toHex()
-            } else if (mySearchString.startsWith("note")) {
-                mySearchString.bechToBytes().toHex()
-            } else {
-                mySearchString
-            }
+            Nip19.uriToRoute(mySearchString)?.hex ?: Hex.decode(mySearchString).toHexKey()
         } catch (e: Exception) {
-            // Usually when people add an incomplete npub or note.
             null
         }
 

app/src/main/java/com/vitorpamplona/amethyst/service/lnurl/LnWithdrawalUtil.kt

@@ -4,7 +4,7 @@ import java.util.regex.Pattern
 
 object LnWithdrawalUtil {
     private val withdrawalPattern = Pattern.compile(
-        "lnurl.*",
+        "lnurl.+",
         Pattern.CASE_INSENSITIVE
     )
 

app/src/main/java/com/vitorpamplona/amethyst/service/model/ATag.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.hexToByteArray
 import com.vitorpamplona.amethyst.model.toHexKey
 import com.vitorpamplona.amethyst.service.nip19.Tlv
@@ -9,6 +10,7 @@ import nostr.postr.Bech32
 import nostr.postr.bechToBytes
 import nostr.postr.toByteArray
 
+@Immutable
 data class ATag(val kind: Int, val pubKeyHex: String, val dTag: String, val relay: String?) {
     fun toTag() = "$kind:$pubKeyHex:$dTag"
 

app/src/main/java/com/vitorpamplona/amethyst/service/model/AudioTrackEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class AudioTrackEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/BadgeAwardEvent.kt

@@ -1,7 +1,9 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 
+@Immutable
 class BadgeAwardEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/BadgeDefinitionEvent.kt

@@ -1,7 +1,9 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 
+@Immutable
 class BadgeDefinitionEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/BadgeProfilesEvent.kt

@@ -1,7 +1,9 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 
+@Immutable
 class BadgeProfilesEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/BaseTextNoteEvent.kt

@@ -1,11 +1,13 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.tagSearch
 import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.nip19.Nip19.nip19regex
 
+@Immutable
 open class BaseTextNoteEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -19,6 +21,7 @@ open class BaseTextNoteEvent(
     open fun replyTos() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
 
     private var citedUsersCache: Set<HexKey>? = null
+    private var citedNotesCache: Set<HexKey>? = null
 
     fun citedUsers(): Set<HexKey> {
         citedUsersCache?.let { return it }
@@ -61,8 +64,10 @@ open class BaseTextNoteEvent(
         return returningList
     }
 
-    fun findCitations(): Set<String> {
-        var citations = mutableSetOf<String>()
+    fun findCitations(): Set<HexKey> {
+        citedNotesCache?.let { return it }
+
+        val citations = mutableSetOf<HexKey>()
         // Removes citations from replies:
         val matcher = tagSearch.matcher(content)
         while (matcher.find()) {
@@ -102,6 +107,7 @@ open class BaseTextNoteEvent(
             }
         }
 
+        citedNotesCache = citations
         return citations
     }
 

app/src/main/java/com/vitorpamplona/amethyst/service/model/BookmarkListEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class BookmarkListEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/ChannelCreateEvent.kt

@@ -1,11 +1,13 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class ChannelCreateEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/ChannelHideMessageEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class ChannelHideMessageEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/ChannelMessageEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class ChannelMessageEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/ChannelMetadataEvent.kt

@@ -1,11 +1,13 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class ChannelMetadataEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/ChannelMuteUserEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class ChannelMuteUserEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/ContactListEvent.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.reflect.TypeToken
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.decodePublicKey
@@ -8,6 +9,7 @@ import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 data class Contact(val pubKeyHex: String, val relayUri: String?)
 
 class ContactListEvent(

app/src/main/java/com/vitorpamplona/amethyst/service/model/DeletionEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class DeletionEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/Event.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.*
 import com.google.gson.annotations.SerializedName
 import com.vitorpamplona.amethyst.model.HexKey
@@ -14,6 +15,7 @@ import java.math.BigDecimal
 import java.security.MessageDigest
 import java.util.*
 
+@Immutable
 open class Event(
     val id: HexKey,
     @SerializedName("pubkey") val pubKey: HexKey,
@@ -285,6 +287,7 @@ open class Event(
     }
 }
 
+@Immutable
 interface AddressableEvent {
     fun dTag(): String
     fun address(): ATag

app/src/main/java/com/vitorpamplona/amethyst/service/model/EventInterface.kt

@@ -1,8 +1,10 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import java.math.BigDecimal
 
+@Immutable
 interface EventInterface {
     fun id(): HexKey
 

app/src/main/java/com/vitorpamplona/amethyst/service/model/FileHeaderEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class FileHeaderEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/FileStorageEvent.kt

@@ -1,12 +1,14 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Base64
 import java.util.Date
 
+@Immutable
 class FileStorageEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/FileStorageHeaderEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class FileStorageHeaderEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/GeneralListEvent.kt

@@ -1,11 +1,13 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.reflect.TypeToken
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.hexToByteArray
 import nostr.postr.Utils
 
+@Immutable
 abstract class GeneralListEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/HighlightEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class HighlightEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/LnZapEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.service.lnurl.LnInvoiceUtil
 import com.vitorpamplona.amethyst.service.relays.Client
 
+@Immutable
 class LnZapEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/LnZapEventInterface.kt

@@ -1,7 +1,9 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import java.math.BigDecimal
 
+@Immutable
 interface LnZapEventInterface : EventInterface {
 
     fun zappedPost(): List<String>

app/src/main/java/com/vitorpamplona/amethyst/service/model/LnZapPaymentRequestEvent.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.JsonDeserializationContext
 import com.google.gson.JsonDeserializer
 import com.google.gson.JsonElement
@@ -12,6 +13,7 @@ import nostr.postr.Utils
 import java.lang.reflect.Type
 import java.util.Date
 
+@Immutable
 class LnZapPaymentRequestEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/LnZapPaymentResponseEvent.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.JsonDeserializationContext
 import com.google.gson.JsonDeserializer
 import com.google.gson.JsonElement
@@ -10,6 +11,7 @@ import com.vitorpamplona.amethyst.model.HexKey
 import nostr.postr.Utils
 import java.lang.reflect.Type
 
+@Immutable
 class LnZapPaymentResponseEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/LnZapRequestEvent.kt

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.*
 import nostr.postr.Bech32
 import nostr.postr.Utils
@@ -11,6 +12,7 @@ import javax.crypto.Cipher
 import javax.crypto.spec.IvParameterSpec
 import javax.crypto.spec.SecretKeySpec
 
+@Immutable
 class LnZapRequestEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/LongTextNoteEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class LongTextNoteEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/MetadataEvent.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.Gson
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.HexKey
@@ -8,6 +9,7 @@ import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 data class ContactMetaData(
     val name: String,
     val picture: String,

app/src/main/java/com/vitorpamplona/amethyst/service/model/MuteListEvent.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.reflect.TypeToken
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.hexToByteArray
@@ -8,6 +9,7 @@ import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class MuteListEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/PeopleListEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class PeopleListEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/PinListEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class PinListEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/PollNoteEvent.kt

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
@@ -11,6 +12,7 @@ const val VALUE_MINIMUM = "value_minimum"
 const val CONSENSUS_THRESHOLD = "consensus_threshold"
 const val CLOSED_AT = "closed_at"
 
+@Immutable
 class PollNoteEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/PrivateDmEvent.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import fr.acinq.secp256k1.Hex
@@ -8,6 +9,7 @@ import nostr.postr.Utils
 import nostr.postr.toHex
 import java.util.Date
 
+@Immutable
 class PrivateDmEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/ReactionEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class ReactionEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/RecommendRelayEvent.kt

@@ -1,11 +1,13 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.net.URI
 import java.util.Date
 
+@Immutable
 class RecommendRelayEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/RelayAuthEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class RelayAuthEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/ReportEvent.kt

@@ -1,13 +1,16 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 data class ReportedKey(val key: String, val reportType: ReportEvent.ReportType)
 
 // NIP 56 event.
+@Immutable
 class ReportEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/RepostEvent.kt

@@ -1,11 +1,13 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import com.vitorpamplona.amethyst.service.relays.Client
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class RepostEvent(
     id: HexKey,
     pubKey: HexKey,

app/src/main/java/com/vitorpamplona/amethyst/service/model/TextNoteEvent.kt

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.linkedin.urls.detection.UrlDetector
 import com.linkedin.urls.detection.UrlDetectorOptions
 import com.vitorpamplona.amethyst.model.HexKey
@@ -8,6 +9,7 @@ import com.vitorpamplona.amethyst.ui.screen.loggedIn.findHashtags
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class TextNoteEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -43,6 +45,7 @@ class TextNoteEvent(
             }
             findHashtags(msg).forEach {
                 tags.add(listOf("t", it))
+                tags.add(listOf("t", it.lowercase()))
             }
             extraTags?.forEach {
                 tags.add(listOf("t", it))

app/src/main/java/com/vitorpamplona/amethyst/service/previews/BahaUrlPreview.kt

@@ -0,0 +1,48 @@
+package com.vitorpamplona.amethyst.service.previews
+
+import android.net.Uri
+import kotlinx.coroutines.*
+import java.util.*
+
+class BahaUrlPreview(val url: String, var callback: IUrlPreviewCallback?) {
+    val scope = CoroutineScope(Job() + Dispatchers.Main)
+    private val imageExtensionArray = arrayOf(".gif", ".png", ".jpg", ".jpeg", ".bmp", ".webp")
+
+    fun fetchUrlPreview(timeOut: Int = 30000) {
+        val exceptionHandler = CoroutineExceptionHandler { coroutineContext, throwable ->
+            callback?.onFailed(throwable)
+        }
+        scope.launch(exceptionHandler) {
+            fetch(timeOut)
+        }
+    }
+
+    private suspend fun fetch(timeOut: Int = 30000) {
+        lateinit var urlInfoItem: UrlInfoItem
+        if (checkIsImageUrl()) {
+            urlInfoItem = UrlInfoItem(url = url, image = url)
+        } else {
+            val document = getDocument(url, timeOut)
+            urlInfoItem = parseHtml(document)
+            urlInfoItem.url = url
+        }
+        callback?.onComplete(urlInfoItem)
+    }
+
+    private fun checkIsImageUrl(): Boolean {
+        val uri = Uri.parse(url)
+        var isImage = false
+        for (imageExtension in imageExtensionArray) {
+            if (uri.path != null && uri.path!!.toLowerCase(Locale.getDefault()).endsWith(imageExtension)) {
+                isImage = true
+                break
+            }
+        }
+        return isImage
+    }
+
+    fun cleanUp() {
+        scope.cancel()
+        callback = null
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/service/previews/IUrlPreviewCallback.kt

@@ -0,0 +1,6 @@
+package com.vitorpamplona.amethyst.service.previews
+
+interface IUrlPreviewCallback {
+    fun onComplete(urlInfo: UrlInfoItem)
+    fun onFailed(throwable: Throwable)
+}

app/src/main/java/com/vitorpamplona/amethyst/service/previews/UrlInfoItem.kt

@@ -0,0 +1,12 @@
+package com.vitorpamplona.amethyst.service.previews
+
+data class UrlInfoItem(
+    var url: String = "",
+    var title: String = "",
+    var description: String = "",
+    var image: String = ""
+) {
+    fun allFetchComplete(): Boolean {
+        return title.isNotEmpty() && description.isNotEmpty() && image.isNotEmpty()
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/service/previews/UrlPreviewUtils.kt

@@ -0,0 +1,116 @@
+package com.vitorpamplona.amethyst.service.previews
+
+import com.vitorpamplona.amethyst.service.HttpClient
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import org.jsoup.Jsoup
+import org.jsoup.nodes.Document
+
+private const val ELEMENT_TAG_META = "meta"
+private const val ATTRIBUTE_VALUE_PROPERTY = "property"
+private const val ATTRIBUTE_VALUE_NAME = "name"
+private const val ATTRIBUTE_VALUE_ITEMPROP = "itemprop"
+
+/* for <meta property="og:" to get title */
+private val META_OG_TITLE = arrayOf("og:title", "\"og:title\"", "'og:title'")
+
+/* for <meta property="og:" to get description */
+private val META_OG_DESCRIPTION =
+    arrayOf("og:description", "\"og:description\"", "'og:description'")
+
+/* for <meta property="og:" to get image */
+private val META_OG_IMAGE = arrayOf("og:image", "\"og:image\"", "'og:image'")
+
+/*for <meta name=... to get title */
+private val META_NAME_TITLE = arrayOf(
+    "twitter:title",
+    "\"twitter:title\"",
+    "'twitter:title'",
+    "title",
+    "\"title\"",
+    "'title'"
+)
+
+/*for <meta name=... to get description */
+private val META_NAME_DESCRIPTION = arrayOf(
+    "twitter:description",
+    "\"twitter:description\"",
+    "'twitter:description'",
+    "description",
+    "\"description\"",
+    "'description'"
+)
+
+/*for <meta name=... to get image */
+private val META_NAME_IMAGE = arrayOf(
+    "twitter:image",
+    "\"twitter:image\"",
+    "'twitter:image'"
+)
+
+/*for <meta itemprop=... to get title */
+private val META_ITEMPROP_TITLE = arrayOf("name", "\"name\"", "'name'")
+
+/*for <meta itemprop=... to get description */
+private val META_ITEMPROP_DESCRIPTION = arrayOf("description", "\"description\"", "'description'")
+
+/*for <meta itemprop=... to get image */
+private val META_ITEMPROP_IMAGE = arrayOf("image", "\"image\"", "'image'")
+
+private const val CONTENT = "content"
+
+suspend fun getDocument(url: String, timeOut: Int = 30000): Document =
+    withContext(Dispatchers.IO) {
+        return@withContext Jsoup.connect(url)
+            .proxy(HttpClient.getProxy())
+            .timeout(timeOut)
+            .get()
+    }
+
+suspend fun parseHtml(document: Document): UrlInfoItem =
+    withContext(Dispatchers.IO) {
+        val metaTags = document.getElementsByTag(ELEMENT_TAG_META)
+        val urlInfo = UrlInfoItem()
+        metaTags.forEach {
+            val propertyTag = it.attr(ATTRIBUTE_VALUE_PROPERTY)
+            when (propertyTag) {
+                in META_OG_TITLE -> if (urlInfo.title.isEmpty()) urlInfo.title = it.attr(CONTENT)
+                in META_OG_DESCRIPTION -> if (urlInfo.description.isEmpty()) {
+                    urlInfo.description =
+                        it.attr(CONTENT)
+                }
+                in META_OG_IMAGE -> if (urlInfo.image.isEmpty()) urlInfo.image = it.attr(CONTENT)
+            }
+
+            when (it.attr(ATTRIBUTE_VALUE_NAME)) {
+                in META_NAME_TITLE -> if (urlInfo.title.isEmpty()) urlInfo.title = it.attr(CONTENT)
+                in META_NAME_DESCRIPTION -> if (urlInfo.description.isEmpty()) {
+                    urlInfo.description =
+                        it.attr(CONTENT)
+                }
+                in META_OG_IMAGE -> if (urlInfo.image.isEmpty()) urlInfo.image = it.attr(CONTENT)
+            }
+
+            when (it.attr(ATTRIBUTE_VALUE_ITEMPROP)) {
+                in META_ITEMPROP_TITLE -> if (urlInfo.title.isEmpty()) {
+                    urlInfo.title =
+                        it.attr(CONTENT)
+                }
+                in META_ITEMPROP_DESCRIPTION -> if (urlInfo.description.isEmpty()) {
+                    urlInfo.description =
+                        it.attr(
+                            CONTENT
+                        )
+                }
+                in META_ITEMPROP_IMAGE -> if (urlInfo.image.isEmpty()) {
+                    urlInfo.image = it.attr(
+                        CONTENT
+                    )
+                }
+            }
+            if (urlInfo.allFetchComplete()) {
+                return@withContext urlInfo
+            }
+        }
+        return@withContext urlInfo
+    }

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

@@ -70,7 +70,7 @@ object Client : RelayPool.Listener {
         if (relay == null) {
             RelayPool.send(signedEvent)
         } else {
-            val useConnectedRelayIfPresent = relays.filter { it.url == relay }
+            val useConnectedRelayIfPresent = RelayPool.getRelays(relay)
 
             if (useConnectedRelayIfPresent.isNotEmpty()) {
                 useConnectedRelayIfPresent.forEach {
@@ -103,7 +103,7 @@ object Client : RelayPool.Listener {
             onConnected(relay)
 
             GlobalScope.launch(Dispatchers.IO) {
-                delay(10000) // waits for a reply
+                delay(60000) // waits for a reply
                 relay.disconnect()
                 RelayPool.removeRelay(relay)
 

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

@@ -30,6 +30,7 @@ class Relay(
 ) {
     val seconds = if (proxy != null) 20L else 10L
     val duration = Duration.ofSeconds(seconds)
+
     private val httpClient = OkHttpClient.Builder()
         .proxy(proxy)
         .readTimeout(duration)

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

@@ -30,6 +30,10 @@ object RelayPool : Relay.Listener {
         return relays.firstOrNull() { it.url == url }
     }
 
+    fun getRelays(url: String): List<Relay> {
+        return relays.filter { it.url == url }
+    }
+
     fun loadRelays(relayList: List<Relay>) {
         if (!relayList.isNullOrEmpty()) {
             relayList.forEach { addRelay(it) }

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

@@ -20,6 +20,7 @@ import coil.decode.SvgDecoder
 import com.vitorpamplona.amethyst.LocalPreferences
 import com.vitorpamplona.amethyst.ServiceManager
 import com.vitorpamplona.amethyst.VideoCache
+import com.vitorpamplona.amethyst.service.HttpClient
 import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
 import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
 import com.vitorpamplona.amethyst.service.model.ChannelMetadataEvent
@@ -46,35 +47,7 @@ class MainActivity : FragmentActivity() {
 
         val uri = intent?.data?.toString()
 
-        val startingPage = if (uri.equals("nostr:Notifications", true)) {
-            Route.Notification.route.replace("{scrollToTop}", "true")
-        } else {
-            val nip19 = Nip19.uriToRoute(uri)
-            when (nip19?.type) {
-                Nip19.Type.USER -> "User/${nip19.hex}"
-                Nip19.Type.NOTE -> "Note/${nip19.hex}"
-                Nip19.Type.EVENT -> {
-                    if (nip19.kind == PrivateDmEvent.kind) {
-                        "Room/${nip19.author}"
-                    } else if (nip19.kind == ChannelMessageEvent.kind || nip19.kind == ChannelCreateEvent.kind || nip19.kind == ChannelMetadataEvent.kind) {
-                        "Channel/${nip19.hex}"
-                    } else {
-                        "Event/${nip19.hex}"
-                    }
-                }
-
-                Nip19.Type.ADDRESS -> "Note/${nip19.hex}"
-                else -> null
-            }
-        } ?: try {
-            uri?.let {
-                Nip47.parse(it)
-                val encodedUri = URLEncoder.encode(it, StandardCharsets.UTF_8.toString())
-                Route.Home.base + "?nip47=" + encodedUri
-            }
-        } catch (e: Exception) {
-            null
-        }
+        val startingPage = uriToRoute(uri)
 
         // Initializes video cache.
         VideoCache.init(this.applicationContext)
@@ -88,6 +61,7 @@ class MainActivity : FragmentActivity() {
                 }
                 add(SvgDecoder.Factory())
             } // .logger(DebugLogger())
+                .okHttpClient { HttpClient.getHttpClient() }
                 .respectCacheHeaders(false)
                 .build()
         }
@@ -150,3 +124,39 @@ class GetMediaActivityResultContract : ActivityResultContracts.GetContent() {
         }
     }
 }
+
+fun uriToRoute(uri: String?): String? {
+    return if (uri.equals("nostr:Notifications", true)) {
+        Route.Notification.route.replace("{scrollToTop}", "true")
+    } else {
+        if (uri?.startsWith("nostr:Hashtag?id=") == true) {
+            Route.Hashtag.route.replace("{id}", uri.removePrefix("nostr:Hashtag?id="))
+        } else {
+            val nip19 = Nip19.uriToRoute(uri)
+            when (nip19?.type) {
+                Nip19.Type.USER -> "User/${nip19.hex}"
+                Nip19.Type.NOTE -> "Note/${nip19.hex}"
+                Nip19.Type.EVENT -> {
+                    if (nip19.kind == PrivateDmEvent.kind) {
+                        "Room/${nip19.author}"
+                    } else if (nip19.kind == ChannelMessageEvent.kind || nip19.kind == ChannelCreateEvent.kind || nip19.kind == ChannelMetadataEvent.kind) {
+                        "Channel/${nip19.hex}"
+                    } else {
+                        "Event/${nip19.hex}"
+                    }
+                }
+
+                Nip19.Type.ADDRESS -> "Note/${nip19.hex}"
+                else -> null
+            }
+        } ?: try {
+            uri?.let {
+                Nip47.parse(it)
+                val encodedUri = URLEncoder.encode(it, StandardCharsets.UTF_8.toString())
+                Route.Home.base + "?nip47=" + encodedUri
+            }
+        } catch (e: Exception) {
+            null
+        }
+    }
+}

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

@@ -40,9 +40,9 @@ object ImageUploader {
             "Can't open the image input stream"
         }
         val myServer = when (server) {
-            ServersAvailable.IMGUR, ServersAvailable.IMGUR_NIP_94 -> {
-                ImgurServer()
-            }
+            // ServersAvailable.IMGUR, ServersAvailable.IMGUR_NIP_94 -> {
+            //    ImgurServer()
+            // }
             ServersAvailable.NOSTRIMG, ServersAvailable.NOSTRIMG_NIP_94 -> {
                 NostrImgServer()
             }
@@ -53,7 +53,7 @@ object ImageUploader {
                 NostrFilesDevServer()
             }
             else -> {
-                ImgurServer()
+                NostrBuildServer()
             }
         }
 

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

@@ -51,7 +51,6 @@ import androidx.compose.ui.window.DialogProperties
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleEventObserver
 import androidx.lifecycle.viewmodel.compose.viewModel
-import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
@@ -73,8 +72,9 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
 @Composable
-fun JoinUserOrChannelView(onClose: () -> Unit, account: Account, navController: NavController) {
+fun JoinUserOrChannelView(onClose: () -> Unit, account: Account, nav: (String) -> Unit) {
     val searchBarViewModel: SearchBarViewModel = viewModel()
+    searchBarViewModel.account = account
 
     Dialog(
         onDismissRequest = {
@@ -115,7 +115,7 @@ fun JoinUserOrChannelView(onClose: () -> Unit, account: Account, navController:
 
                 Spacer(modifier = Modifier.height(15.dp))
 
-                RenderSeach(searchBarViewModel, account, navController)
+                RenderSeach(searchBarViewModel, account, nav)
             }
         }
     }
@@ -126,7 +126,7 @@ fun JoinUserOrChannelView(onClose: () -> Unit, account: Account, navController:
 private fun RenderSeach(
     searchBarViewModel: SearchBarViewModel,
     account: Account,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
     val scope = rememberCoroutineScope()
     val listState = rememberLazyListState()
@@ -274,7 +274,7 @@ private fun RenderSeach(
                     UserComposeForChat(
                         item,
                         account = account,
-                        navController = navController
+                        nav = nav
                     )
                 }
 
@@ -294,7 +294,7 @@ private fun RenderSeach(
                         channelLastTime = null,
                         channelLastContent = item.info.about,
                         false,
-                        onClick = { navController.navigate("Channel/${item.idHex}") }
+                        onClick = { nav("Channel/${item.idHex}") }
                     )
                 }
             }
@@ -306,12 +306,12 @@ private fun RenderSeach(
 fun UserComposeForChat(
     baseUser: User,
     account: Account,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
     Column(
         modifier =
         Modifier.clickable(
-            onClick = { navController.navigate("Room/${baseUser.pubkeyHex}") }
+            onClick = { nav("Room/${baseUser.pubkeyHex}") }
         )
     ) {
         Row(
@@ -323,7 +323,7 @@ fun UserComposeForChat(
                 ),
             verticalAlignment = Alignment.CenterVertically
         ) {
-            UserPicture(baseUser, navController, account.userProfile(), 55.dp)
+            UserPicture(baseUser, nav, account.userProfile(), 55.dp)
 
             Column(modifier = Modifier.padding(start = 10.dp).weight(1f)) {
                 Row(verticalAlignment = Alignment.CenterVertically) {

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

@@ -38,9 +38,10 @@ open class NewMediaModel : ViewModel() {
         this.mediaType = contentType
         this.selectedServer = defaultServer()
 
-        if (selectedServer == ServersAvailable.IMGUR) {
-            selectedServer = ServersAvailable.IMGUR_NIP_94
-        } else if (selectedServer == ServersAvailable.NOSTRIMG) {
+        // if (selectedServer == ServersAvailable.IMGUR) {
+        //    selectedServer = ServersAvailable.IMGUR_NIP_94
+        // } else
+        if (selectedServer == ServersAvailable.NOSTRIMG) {
             selectedServer = ServersAvailable.NOSTRIMG_NIP_94
         } else if (selectedServer == ServersAvailable.NOSTR_BUILD) {
             selectedServer = ServersAvailable.NOSTR_BUILD_NIP_94

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

@@ -28,7 +28,6 @@ import androidx.compose.ui.text.input.KeyboardCapitalization
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
-import androidx.navigation.NavController
 import coil.compose.AsyncImage
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
@@ -39,7 +38,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
 @Composable
-fun NewMediaView(uri: Uri, onClose: () -> Unit, postViewModel: NewMediaModel, accountViewModel: AccountViewModel, navController: NavController) {
+fun NewMediaView(uri: Uri, onClose: () -> Unit, postViewModel: NewMediaModel, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     val account = accountViewModel.accountLiveData.value?.account ?: return
     val resolver = LocalContext.current.contentResolver
     val context = LocalContext.current
@@ -111,7 +110,7 @@ fun NewMediaView(uri: Uri, onClose: () -> Unit, postViewModel: NewMediaModel, ac
 
 fun isNIP94Server(selectedServer: ServersAvailable?): Boolean {
     return selectedServer == ServersAvailable.NOSTRIMG_NIP_94 ||
-        selectedServer == ServersAvailable.IMGUR_NIP_94 ||
+        // selectedServer == ServersAvailable.IMGUR_NIP_94 ||
         selectedServer == ServersAvailable.NOSTR_BUILD_NIP_94 ||
         selectedServer == ServersAvailable.NOSTRFILES_DEV_NIP_94
 }
@@ -121,7 +120,7 @@ fun ImageVideoPost(postViewModel: NewMediaModel, acc: Account) {
     val scope = rememberCoroutineScope()
 
     val fileServers = listOf(
-        Triple(ServersAvailable.IMGUR_NIP_94, stringResource(id = R.string.upload_server_imgur_nip94), stringResource(id = R.string.upload_server_imgur_nip94_explainer)),
+        // Triple(ServersAvailable.IMGUR_NIP_94, stringResource(id = R.string.upload_server_imgur_nip94), stringResource(id = R.string.upload_server_imgur_nip94_explainer)),
         Triple(ServersAvailable.NOSTRIMG_NIP_94, stringResource(id = R.string.upload_server_nostrimg_nip94), stringResource(id = R.string.upload_server_nostrimg_nip94_explainer)),
         Triple(ServersAvailable.NOSTR_BUILD_NIP_94, stringResource(id = R.string.upload_server_nostrbuild_nip94), stringResource(id = R.string.upload_server_nostrbuild_nip94_explainer)),
         Triple(ServersAvailable.NOSTRFILES_DEV_NIP_94, stringResource(id = R.string.upload_server_nostrfilesdev_nip94), stringResource(id = R.string.upload_server_nostrfilesdev_nip94_explainer)),

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

@@ -25,6 +25,7 @@ import androidx.compose.material.icons.filled.CurrencyBitcoin
 import androidx.compose.material.icons.outlined.ArrowForwardIos
 import androidx.compose.material.icons.outlined.Bolt
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
@@ -56,12 +57,12 @@ 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 androidx.navigation.NavController
 import coil.compose.AsyncImage
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.NostrSearchEventOrUserDataSource
 import com.vitorpamplona.amethyst.ui.components.*
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.TextSpinner
@@ -73,7 +74,7 @@ import kotlinx.coroutines.launch
 
 @OptIn(ExperimentalComposeUiApi::class)
 @Composable
-fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = null, account: Account, accountViewModel: AccountViewModel, navController: NavController) {
+fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = null, account: Account, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     val postViewModel: NewPostViewModel = viewModel()
 
     val context = LocalContext.current
@@ -95,6 +96,12 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
         }
     }
 
+    DisposableEffect(Unit) {
+        onDispose {
+            NostrSearchEventOrUserDataSource.clear()
+        }
+    }
+
     Dialog(
         onDismissRequest = { onClose() },
         properties = DialogProperties(
@@ -284,7 +291,7 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                                             true,
                                             MaterialTheme.colors.background,
                                             accountViewModel,
-                                            navController
+                                            nav
                                         )
                                     } else if (noProtocolUrlValidator.matcher(myUrlPreview).matches()) {
                                         UrlPreview("https://$myUrlPreview", myUrlPreview)
@@ -633,11 +640,12 @@ fun SearchButton(onPost: () -> Unit = {}, isActive: Boolean, modifier: Modifier
 }
 
 enum class ServersAvailable {
-    IMGUR,
+    // IMGUR,
     NOSTR_BUILD,
     NOSTRIMG,
     NOSTRFILES_DEV,
-    IMGUR_NIP_94,
+
+    // IMGUR_NIP_94,
     NOSTRIMG_NIP_94,
     NOSTR_BUILD_NIP_94,
     NOSTRFILES_DEV_NIP_94,
@@ -660,11 +668,11 @@ fun ImageVideoDescription(
     val isVideo = mediaType.startsWith("video")
 
     val fileServers = listOf(
-        Triple(ServersAvailable.IMGUR, stringResource(id = R.string.upload_server_imgur), stringResource(id = R.string.upload_server_imgur_explainer)),
+        // Triple(ServersAvailable.IMGUR, stringResource(id = R.string.upload_server_imgur), stringResource(id = R.string.upload_server_imgur_explainer)),
         Triple(ServersAvailable.NOSTRIMG, stringResource(id = R.string.upload_server_nostrimg), stringResource(id = R.string.upload_server_nostrimg_explainer)),
         Triple(ServersAvailable.NOSTR_BUILD, stringResource(id = R.string.upload_server_nostrbuild), stringResource(id = R.string.upload_server_nostrbuild_explainer)),
         Triple(ServersAvailable.NOSTRFILES_DEV, stringResource(id = R.string.upload_server_nostrfilesdev), stringResource(id = R.string.upload_server_nostrfilesdev_explainer)),
-        Triple(ServersAvailable.IMGUR_NIP_94, stringResource(id = R.string.upload_server_imgur_nip94), stringResource(id = R.string.upload_server_imgur_nip94_explainer)),
+        // Triple(ServersAvailable.IMGUR_NIP_94, stringResource(id = R.string.upload_server_imgur_nip94), stringResource(id = R.string.upload_server_imgur_nip94_explainer)),
         Triple(ServersAvailable.NOSTRIMG_NIP_94, stringResource(id = R.string.upload_server_nostrimg_nip94), stringResource(id = R.string.upload_server_nostrimg_nip94_explainer)),
         Triple(ServersAvailable.NOSTR_BUILD_NIP_94, stringResource(id = R.string.upload_server_nostrbuild_nip94), stringResource(id = R.string.upload_server_nostrbuild_nip94_explainer)),
         Triple(ServersAvailable.NOSTRFILES_DEV_NIP_94, stringResource(id = R.string.upload_server_nostrfilesdev_nip94), stringResource(id = R.string.upload_server_nostrfilesdev_nip94_explainer)),

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

@@ -14,6 +14,7 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.vitorpamplona.amethyst.model.*
 import com.vitorpamplona.amethyst.service.FileHeader
+import com.vitorpamplona.amethyst.service.NostrSearchEventOrUserDataSource
 import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 import com.vitorpamplona.amethyst.ui.components.isValidURL
@@ -188,6 +189,8 @@ open class NewPostViewModel : ViewModel() {
         userSuggestions = emptyList()
         userSuggestionAnchor = null
         userSuggestionsMainMessage = null
+
+        NostrSearchEventOrUserDataSource.clear()
     }
 
     open fun findUrlInMessage(): String? {
@@ -211,8 +214,10 @@ open class NewPostViewModel : ViewModel() {
             userSuggestionAnchor = it.selection
             userSuggestionsMainMessage = true
             if (lastWord.startsWith("@") && lastWord.length > 2) {
-                userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@"))
+                NostrSearchEventOrUserDataSource.search(lastWord.removePrefix("@"))
+                userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@")).sortedWith(compareBy({ account?.isFollowing(it) }, { it.toBestDisplayName() })).reversed()
             } else {
+                NostrSearchEventOrUserDataSource.clear()
                 userSuggestions = emptyList()
             }
         }
@@ -225,8 +230,10 @@ open class NewPostViewModel : ViewModel() {
             userSuggestionAnchor = it.selection
             userSuggestionsMainMessage = false
             if (lastWord.startsWith("@") && lastWord.length > 2) {
-                userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@"))
+                NostrSearchEventOrUserDataSource.search(lastWord.removePrefix("@"))
+                userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@")).sortedWith(compareBy({ account?.isFollowing(it) }, { it.toBestDisplayName() })).reversed()
             } else {
+                NostrSearchEventOrUserDataSource.clear()
                 userSuggestions = emptyList()
             }
         }

app/src/main/java/com/vitorpamplona/amethyst/ui/buttons/ChannelFabColumn.kt

@@ -15,14 +15,13 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
-import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.ui.actions.JoinUserOrChannelView
 import com.vitorpamplona.amethyst.ui.actions.NewChannelView
 
 @Composable
-fun ChannelFabColumn(account: Account, navController: NavController) {
+fun ChannelFabColumn(account: Account, nav: (String) -> Unit) {
     var isOpen by remember {
         mutableStateOf(false)
     }
@@ -40,7 +39,7 @@ fun ChannelFabColumn(account: Account, navController: NavController) {
     }
 
     if (wantsToJoinChannelOrUser) {
-        JoinUserOrChannelView({ wantsToJoinChannelOrUser = false }, account = account, navController = navController)
+        JoinUserOrChannelView({ wantsToJoinChannelOrUser = false }, account = account, nav = nav)
     }
 
     Column() {

app/src/main/java/com/vitorpamplona/amethyst/ui/buttons/NewNoteButton.kt

@@ -16,20 +16,19 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
-import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.ui.actions.NewPostView
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 
 @Composable
-fun NewNoteButton(account: Account, accountViewModel: AccountViewModel, navController: NavController) {
+fun NewNoteButton(account: Account, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     var wantsToPost by remember {
         mutableStateOf(false)
     }
 
     if (wantsToPost) {
-        NewPostView({ wantsToPost = false }, account = account, accountViewModel = accountViewModel, navController = navController)
+        NewPostView({ wantsToPost = false }, account = account, accountViewModel = accountViewModel, nav = nav)
     }
 
     OutlinedButton(

app/src/main/java/com/vitorpamplona/amethyst/ui/components/BundledUpdate.kt

@@ -22,9 +22,11 @@ class BundledUpdate(
     private var onlyOneInBlock = AtomicBoolean()
     private var invalidatesAgain = false
 
-    fun invalidate() {
+    fun invalidate(ignoreIfDoing: Boolean = false) {
         if (onlyOneInBlock.getAndSet(true)) {
-            invalidatesAgain = true
+            if (!ignoreIfDoing) {
+                invalidatesAgain = true
+            }
             return
         }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableNoteTag.kt

@@ -5,18 +5,17 @@ import androidx.compose.material.LocalTextStyle
 import androidx.compose.material.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.text.AnnotatedString
-import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.ui.note.toShortenHex
 
 @Composable
 fun ClickableNoteTag(
     baseNote: Note,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
     ClickableText(
         text = AnnotatedString("@${baseNote.idNote().toShortenHex()}"),
-        onClick = { navController.navigate("Note/${baseNote.idHex}") },
+        onClick = { nav("Note/${baseNote.idHex}") },
         style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
     )
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableRoute.kt

@@ -21,7 +21,6 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.graphics.ColorFilter
 import androidx.compose.ui.graphics.takeOrElse
 import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.text.AnnotatedString
@@ -38,7 +37,6 @@ import androidx.compose.ui.text.withStyle
 import androidx.compose.ui.unit.TextUnit
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import androidx.navigation.NavController
 import coil.compose.AsyncImage
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
@@ -53,16 +51,16 @@ import kotlinx.coroutines.withContext
 @Composable
 fun ClickableRoute(
     nip19: Nip19.Return,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
     if (nip19.type == Nip19.Type.USER) {
-        DisplayUser(nip19, navController)
+        DisplayUser(nip19, nav)
     } else if (nip19.type == Nip19.Type.ADDRESS) {
-        DisplayAddress(nip19, navController)
+        DisplayAddress(nip19, nav)
     } else if (nip19.type == Nip19.Type.NOTE) {
-        DisplayNote(nip19, navController)
+        DisplayNote(nip19, nav)
     } else if (nip19.type == Nip19.Type.EVENT) {
-        DisplayEvent(nip19, navController)
+        DisplayEvent(nip19, nav)
     } else {
         Text(
             "@${nip19.hex}${nip19.additionalChars} "
@@ -73,7 +71,7 @@ fun ClickableRoute(
 @Composable
 private fun DisplayEvent(
     nip19: Nip19.Return,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
     var noteBase by remember { mutableStateOf<Note?>(null) }
 
@@ -85,36 +83,36 @@ private fun DisplayEvent(
 
     noteBase?.let {
         val noteState by it.live().metadata.observeAsState()
-        val note = noteState?.note ?: return
-        val channel = note.channel()
+        val note = remember(noteState) { noteState?.note } ?: return
+        val channel = remember(noteState) { note.channel() }
 
         if (note.event is ChannelCreateEvent) {
             CreateClickableText(
-                note.idDisplayNote(),
-                "${nip19.additionalChars} ",
-                "Channel/${nip19.hex}",
-                navController
+                clickablePart = "@${note.idDisplayNote()}",
+                suffix = "${nip19.additionalChars} ",
+                route = "Channel/${nip19.hex}",
+                nav = nav
             )
         } else if (note.event is PrivateDmEvent) {
             CreateClickableText(
-                note.idDisplayNote(),
-                "${nip19.additionalChars} ",
-                "Room/${note.author?.pubkeyHex}",
-                navController
+                clickablePart = "@${note.idDisplayNote()}",
+                suffix = "${nip19.additionalChars} ",
+                route = "Room/${note.author?.pubkeyHex}",
+                nav = nav
             )
         } else if (channel != null) {
             CreateClickableText(
-                channel.toBestDisplayName(),
-                "${nip19.additionalChars} ",
-                "Channel/${note.channel()?.idHex}",
-                navController
+                clickablePart = channel.toBestDisplayName(),
+                suffix = "${nip19.additionalChars} ",
+                route = "Channel/${channel.idHex}",
+                nav = nav
             )
         } else {
             CreateClickableText(
-                note.idDisplayNote(),
-                "${nip19.additionalChars} ",
-                "Event/${nip19.hex}",
-                navController
+                clickablePart = "@${note.idDisplayNote()}",
+                suffix = "${nip19.additionalChars} ",
+                route = "Event/${nip19.hex}",
+                nav = nav
             )
         }
     }
@@ -129,7 +127,7 @@ private fun DisplayEvent(
 @Composable
 private fun DisplayNote(
     nip19: Nip19.Return,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
     var noteBase by remember { mutableStateOf<Note?>(null) }
 
@@ -146,31 +144,31 @@ private fun DisplayNote(
 
         if (note.event is ChannelCreateEvent) {
             CreateClickableText(
-                note.idDisplayNote(),
-                "${nip19.additionalChars} ",
-                "Channel/${nip19.hex}",
-                navController
+                clickablePart = "@${note.idDisplayNote()}",
+                suffix = "${nip19.additionalChars} ",
+                route = "Channel/${nip19.hex}",
+                nav = nav
             )
         } else if (note.event is PrivateDmEvent) {
             CreateClickableText(
-                note.idDisplayNote(),
-                "${nip19.additionalChars} ",
-                "Room/${note.author?.pubkeyHex}",
-                navController
+                clickablePart = "@${note.idDisplayNote()}",
+                suffix = "${nip19.additionalChars} ",
+                route = "Room/${note.author?.pubkeyHex}",
+                nav = nav
             )
         } else if (channel != null) {
             CreateClickableText(
-                channel.toBestDisplayName(),
-                "${nip19.additionalChars} ",
-                "Channel/${note.channel()?.idHex}",
-                navController
+                clickablePart = channel.toBestDisplayName(),
+                suffix = "${nip19.additionalChars} ",
+                route = "Channel/${note.channel()?.idHex}",
+                nav = nav
             )
         } else {
             CreateClickableText(
-                note.idDisplayNote(),
-                "${nip19.additionalChars} ",
-                "Note/${nip19.hex}",
-                navController
+                clickablePart = "@${note.idDisplayNote()}",
+                suffix = "${nip19.additionalChars} ",
+                route = "Note/${nip19.hex}",
+                nav = nav
             )
         }
     }
@@ -185,7 +183,7 @@ private fun DisplayNote(
 @Composable
 private fun DisplayAddress(
     nip19: Nip19.Return,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
     var noteBase by remember { mutableStateOf<Note?>(null) }
 
@@ -197,13 +195,13 @@ private fun DisplayAddress(
 
     noteBase?.let {
         val noteState by it.live().metadata.observeAsState()
-        val note = noteState?.note ?: return
+        val note = remember(noteState) { noteState?.note } ?: return
 
         CreateClickableText(
-            note.idDisplayNote(),
-            "${nip19.additionalChars} ",
-            "Note/${nip19.hex}",
-            navController
+            clickablePart = "@${note.idDisplayNote()}",
+            suffix = "${nip19.additionalChars} ",
+            route = "Note/${nip19.hex}",
+            nav = nav
         )
     }
 
@@ -217,7 +215,7 @@ private fun DisplayAddress(
 @Composable
 private fun DisplayUser(
     nip19: Nip19.Return,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
     var userBase by remember { mutableStateOf<User?>(null) }
 
@@ -239,7 +237,7 @@ private fun DisplayUser(
                 suffix = "${nip19.additionalChars} ",
                 tags = userTags,
                 route = route,
-                navController = navController
+                nav = nav
             )
         }
     }
@@ -252,21 +250,28 @@ private fun DisplayUser(
 }
 
 @Composable
-fun CreateClickableText(clickablePart: String, suffix: String, route: String, navController: NavController) {
+fun CreateClickableText(
+    clickablePart: String,
+    suffix: String,
+    overrideColor: Color? = null,
+    fontWeight: FontWeight = FontWeight.Normal,
+    route: String,
+    nav: (String) -> Unit
+) {
     ClickableText(
         text = buildAnnotatedString {
             withStyle(
-                LocalTextStyle.current.copy(color = MaterialTheme.colors.primary).toSpanStyle()
+                LocalTextStyle.current.copy(color = overrideColor ?: MaterialTheme.colors.primary, fontWeight = fontWeight).toSpanStyle()
             ) {
-                append("@$clickablePart")
+                append(clickablePart)
             }
             withStyle(
-                LocalTextStyle.current.copy(color = MaterialTheme.colors.onBackground).toSpanStyle()
+                LocalTextStyle.current.copy(color = overrideColor ?: MaterialTheme.colors.onBackground, fontWeight = fontWeight).toSpanStyle()
             ) {
                 append(suffix)
             }
         },
-        onClick = { navController.navigate(route) }
+        onClick = { nav(route) }
     )
 }
 
@@ -369,30 +374,31 @@ fun CreateClickableTextWithEmoji(
     clickablePart: String,
     suffix: String,
     tags: List<List<String>>?,
+    overrideColor: Color? = null,
     fontWeight: FontWeight = FontWeight.Normal,
     route: String,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
     val emojis = remember(tags) {
         tags?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
     }
 
     if (emojis.isEmpty()) {
-        CreateClickableText(clickablePart, suffix, route, navController)
+        CreateClickableText(clickablePart, suffix, overrideColor, fontWeight, route, nav)
     } else {
         val myList = remember {
             assembleAnnotatedList(clickablePart, emojis)
         }
 
-        ClickableInLineIconRenderer(myList, LocalTextStyle.current.copy(color = MaterialTheme.colors.primary, fontWeight = fontWeight).toSpanStyle()) {
-            navController.navigate(route)
+        ClickableInLineIconRenderer(myList, LocalTextStyle.current.copy(color = overrideColor ?: MaterialTheme.colors.primary, fontWeight = fontWeight).toSpanStyle()) {
+            nav(route)
         }
 
         val myList2 = remember {
             assembleAnnotatedList(suffix, emojis)
         }
 
-        InLineIconRenderer(myList2, LocalTextStyle.current.copy(color = MaterialTheme.colors.onBackground, fontWeight = fontWeight).toSpanStyle())
+        InLineIconRenderer(myList2, LocalTextStyle.current.copy(color = overrideColor ?: MaterialTheme.colors.onBackground, fontWeight = fontWeight).toSpanStyle())
     }
 }
 
@@ -427,8 +433,7 @@ fun ClickableInLineIconRenderer(wordsInOrder: List<Renderable>, style: SpanStyle
                     AsyncImage(
                         model = value.url,
                         contentDescription = null,
-                        modifier = Modifier.fillMaxSize().padding(1.dp),
-                        colorFilter = ColorFilter.tint(style.color)
+                        modifier = Modifier.fillMaxSize().padding(1.dp)
                     )
                 }
             )
@@ -492,8 +497,7 @@ fun InLineIconRenderer(
                     AsyncImage(
                         model = value.url,
                         contentDescription = null,
-                        modifier = Modifier.fillMaxSize().padding(1.dp),
-                        colorFilter = ColorFilter.tint(style.color)
+                        modifier = Modifier.fillMaxSize().padding(1.dp)
                     )
                 }
             )

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableUserTag.kt

@@ -7,18 +7,17 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.ui.text.AnnotatedString
-import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.model.User
 
 @Composable
 fun ClickableUserTag(
     user: User,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
     val innerUserState by user.live().metadata.observeAsState()
     ClickableText(
         text = AnnotatedString("@${innerUserState?.user?.toBestDisplayName()}"),
-        onClick = { navController.navigate("User/${innerUserState?.user?.pubkeyHex}") },
+        onClick = { nav("User/${innerUserState?.user?.pubkeyHex}") },
         style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
     )
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ExpandableRichTextViewer.kt

@@ -25,7 +25,6 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.compositeOver
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
-import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 
@@ -39,7 +38,7 @@ fun ExpandableRichTextViewer(
     tags: List<List<String>>?,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
     var showFullText by remember { mutableStateOf(false) }
 
@@ -69,7 +68,7 @@ fun ExpandableRichTextViewer(
             tags,
             backgroundColor,
             accountViewModel,
-            navController
+            nav
         )
 
         if (content.length > whereToCut && !showFullText) {

app/src/main/java/com/vitorpamplona/amethyst/ui/components/RichTextViewer.kt

@@ -19,14 +19,13 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.compositeOver
+import androidx.compose.ui.platform.LocalUriHandler
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.*
 import androidx.compose.ui.text.font.FontFamily
-import androidx.compose.ui.text.style.TextDecoration
 import androidx.compose.ui.text.style.TextDirection
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import androidx.navigation.NavController
 import com.google.accompanist.flowlayout.FlowRow
 import com.halilibo.richtext.markdown.Markdown
 import com.halilibo.richtext.markdown.MarkdownParseOptions
@@ -43,6 +42,7 @@ import com.vitorpamplona.amethyst.service.lnurl.LnWithdrawalUtil
 import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.ui.note.NoteCompose
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import com.vitorpamplona.amethyst.ui.uriToRoute
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -81,7 +81,8 @@ fun isMarkdown(content: String): Boolean {
         content.startsWith("# ") ||
         content.contains("##") ||
         content.contains("__") ||
-        content.contains("```")
+        content.contains("```") ||
+        content.contains("](")
 }
 
 @Composable
@@ -92,19 +93,20 @@ fun RichTextViewer(
     tags: List<List<String>>?,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
     val isMarkdown = remember { isMarkdown(content) }
 
     Column(modifier = modifier) {
         if (isMarkdown) {
-            RenderContentAsMarkdown(content, backgroundColor)
+            RenderContentAsMarkdown(content, backgroundColor, tags, nav)
         } else {
-            RenderRegular(content, tags, canPreview, backgroundColor, accountViewModel, navController)
+            RenderRegular(content, tags, canPreview, backgroundColor, accountViewModel, nav)
         }
     }
 }
 
+@Stable
 class RichTextViewerState(
     val content: String,
     val urlSet: Set<String>,
@@ -120,10 +122,10 @@ private fun RenderRegular(
     canPreview: Boolean,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
-    var processedState by remember {
-        mutableStateOf<RichTextViewerState?>(RichTextViewerState(content, emptySet(), emptyMap(), emptyList(), emptyMap()))
+    var state by remember {
+        mutableStateOf(RichTextViewerState(content, emptySet(), emptyMap(), emptyList(), emptyMap()))
     }
 
     val scope = rememberCoroutineScope()
@@ -147,80 +149,73 @@ private fun RenderRegular(
             val emojiMap = tags?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
 
             if (urlSet.isNotEmpty() || emojiMap.isNotEmpty()) {
-                processedState = RichTextViewerState(content, urlSet, imagesForPager, imageList, emojiMap)
+                state = RichTextViewerState(content, urlSet, imagesForPager, imageList, emojiMap)
             }
         }
     }
 
     // FlowRow doesn't work well with paragraphs. So we need to split them
-    processedState?.let { state ->
-        content.split('\n').forEach { paragraph ->
-            FlowRow() {
-                val s = if (isArabic(paragraph)) {
-                    paragraph.trim().split(' ')
-                        .reversed()
-                } else {
-                    paragraph.trim().split(' ')
-                }
-                s.forEach { word: String ->
-                    if (canPreview) {
-                        // Explicit URL
-                        val img = state.imagesForPager[word]
-                        if (img != null) {
-                            ZoomableContentView(img, state.imageList)
-                        } else if (state.urlSet.contains(word)) {
-                            UrlPreview(word, "$word ")
-                        } else if (state.customEmoji.any { word.contains(it.key) }) {
-                            RenderCustomEmoji(word, state.customEmoji)
-                        } else if (word.startsWith("lnbc", true)) {
-                            MayBeInvoicePreview(word)
-                        } else if (word.startsWith("lnurl", true)) {
-                            MayBeWithdrawal(word)
-                        } else if (Patterns.EMAIL_ADDRESS.matcher(word).matches()) {
-                            ClickableEmail(word)
-                        } else if (word.length > 6 && Patterns.PHONE.matcher(word).matches()) {
-                            ClickablePhone(word)
-                        } else if (isBechLink(word)) {
-                            BechLink(
+    content.split('\n').forEach { paragraph ->
+        FlowRow() {
+            val s = if (isArabic(paragraph)) {
+                paragraph.trim().split(' ')
+                    .reversed()
+            } else {
+                paragraph.trim().split(' ')
+            }
+            s.forEach { word: String ->
+                if (canPreview) {
+                    // Explicit URL
+                    val img = state.imagesForPager[word]
+                    if (img != null) {
+                        ZoomableContentView(img, state.imageList)
+                    } else if (state.urlSet.contains(word)) {
+                        UrlPreview(word, "$word ")
+                    } else if (state.customEmoji.any { word.contains(it.key) }) {
+                        RenderCustomEmoji(word, state.customEmoji)
+                    } else if (word.startsWith("lnbc", true)) {
+                        MayBeInvoicePreview(word)
+                    } else if (word.startsWith("lnurl", true)) {
+                        MayBeWithdrawal(word)
+                    } else if (Patterns.EMAIL_ADDRESS.matcher(word).matches()) {
+                        ClickableEmail(word)
+                    } else if (word.length > 6 && Patterns.PHONE.matcher(word).matches()) {
+                        ClickablePhone(word)
+                    } else if (isBechLink(word)) {
+                        BechLink(
+                            word,
+                            canPreview,
+                            backgroundColor,
+                            accountViewModel,
+                            nav
+                        )
+                    } else if (word.startsWith("#")) {
+                        if (tagIndex.matcher(word).matches() && tags != null) {
+                            TagLink(
                                 word,
+                                tags,
                                 canPreview,
                                 backgroundColor,
                                 accountViewModel,
-                                navController
+                                nav
                             )
-                        } else if (word.startsWith("#")) {
-                            if (tagIndex.matcher(word).matches() && tags != null) {
-                                TagLink(
-                                    word,
-                                    tags,
-                                    canPreview,
-                                    backgroundColor,
-                                    accountViewModel,
-                                    navController
-                                )
-                            } else if (hashTagsPattern.matcher(word).matches()) {
-                                HashTag(word, navController)
-                            } else {
-                                Text(
-                                    text = "$word ",
-                                    style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                                )
-                            }
-                        } else if (noProtocolUrlValidator.matcher(word).matches()) {
-                            val matcher = noProtocolUrlValidator.matcher(word)
-                            matcher.find()
-                            val url = matcher.group(1) // url
-                            val additionalChars = matcher.group(4) ?: "" // additional chars
+                        } else if (hashTagsPattern.matcher(word).matches()) {
+                            HashTag(word, nav)
+                        } else {
+                            Text(
+                                text = "$word ",
+                                style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
+                            )
+                        }
+                    } else if (noProtocolUrlValidator.matcher(word).matches()) {
+                        val matcher = noProtocolUrlValidator.matcher(word)
+                        matcher.find()
+                        val url = matcher.group(1) // url
+                        val additionalChars = matcher.group(4) ?: "" // additional chars
 
-                            if (url != null) {
-                                ClickableUrl(url, "https://$url")
-                                Text("$additionalChars ")
-                            } else {
-                                Text(
-                                    text = "$word ",
-                                    style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                                )
-                            }
+                        if (url != null) {
+                            ClickableUrl(url, "https://$url")
+                            Text("$additionalChars ")
                         } else {
                             Text(
                                 text = "$word ",
@@ -228,71 +223,76 @@ private fun RenderRegular(
                             )
                         }
                     } else {
-                        if (state.urlSet.contains(word)) {
-                            ClickableUrl("$word ", word)
-                        } else if (word.startsWith("lnurl", true)) {
-                            val lnWithdrawal = LnWithdrawalUtil.findWithdrawal(word)
-                            if (lnWithdrawal != null) {
-                                ClickableWithdrawal(withdrawalString = lnWithdrawal)
-                            } else {
-                                Text(
-                                    text = "$word ",
-                                    style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                                )
-                            }
-                        } else if (state.customEmoji.any { word.contains(it.key) }) {
-                            RenderCustomEmoji(word, state.customEmoji)
-                        } else if (Patterns.EMAIL_ADDRESS.matcher(word).matches()) {
-                            ClickableEmail(word)
-                        } else if (Patterns.PHONE.matcher(word).matches() && word.length > 6) {
-                            ClickablePhone(word)
-                        } else if (isBechLink(word)) {
-                            BechLink(
-                                word,
-                                canPreview,
-                                backgroundColor,
-                                accountViewModel,
-                                navController
-                            )
-                        } else if (word.startsWith("#")) {
-                            if (tagIndex.matcher(word).matches() && tags != null) {
-                                TagLink(
-                                    word,
-                                    tags,
-                                    canPreview,
-                                    backgroundColor,
-                                    accountViewModel,
-                                    navController
-                                )
-                            } else if (hashTagsPattern.matcher(word).matches()) {
-                                HashTag(word, navController)
-                            } else {
-                                Text(
-                                    text = "$word ",
-                                    style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                                )
-                            }
-                        } else if (noProtocolUrlValidator.matcher(word).matches()) {
-                            val matcher = noProtocolUrlValidator.matcher(word)
-                            matcher.find()
-                            val url = matcher.group(1) // url
-                            val additionalChars = matcher.group(4) ?: "" // additional chars
-
-                            if (url != null) {
-                                ClickableUrl(url, "https://$url")
-                                Text("$additionalChars ")
-                            } else {
-                                Text(
-                                    text = "$word ",
-                                    style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                                )
-                            }
+                        Text(
+                            text = "$word ",
+                            style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
+                        )
+                    }
+                } else {
+                    if (state.urlSet.contains(word)) {
+                        ClickableUrl("$word ", word)
+                    } else if (word.startsWith("lnurl", true)) {
+                        val lnWithdrawal = LnWithdrawalUtil.findWithdrawal(word)
+                        if (lnWithdrawal != null) {
+                            ClickableWithdrawal(withdrawalString = lnWithdrawal)
                         } else {
                             Text(
                                 text = "$word ",
                                 style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
                             )
                         }
+                    } else if (state.customEmoji.any { word.contains(it.key) }) {
+                        RenderCustomEmoji(word, state.customEmoji)
+                    } else if (Patterns.EMAIL_ADDRESS.matcher(word).matches()) {
+                        ClickableEmail(word)
+                    } else if (Patterns.PHONE.matcher(word).matches() && word.length > 6) {
+                        ClickablePhone(word)
+                    } else if (isBechLink(word)) {
+                        BechLink(
+                            word,
+                            canPreview,
+                            backgroundColor,
+                            accountViewModel,
+                            nav
+                        )
+                    } else if (word.startsWith("#")) {
+                        if (tagIndex.matcher(word).matches() && tags != null) {
+                            TagLink(
+                                word,
+                                tags,
+                                canPreview,
+                                backgroundColor,
+                                accountViewModel,
+                                nav
+                            )
+                        } else if (hashTagsPattern.matcher(word).matches()) {
+                            HashTag(word, nav)
+                        } else {
+                            Text(
+                                text = "$word ",
+                                style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
+                            )
+                        }
+                    } else if (noProtocolUrlValidator.matcher(word).matches()) {
+                        val matcher = noProtocolUrlValidator.matcher(word)
+                        matcher.find()
+                        val url = matcher.group(1) // url
+                        val additionalChars = matcher.group(4) ?: "" // additional chars
+
+                        if (url != null) {
+                            ClickableUrl(url, "https://$url")
+                            Text("$additionalChars ")
+                        } else {
+                            Text(
+                                text = "$word ",
+                                style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
+                            )
+                        }
+                    } else {
+                        Text(
+                            text = "$word ",
+                            style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
+                        )
                     }
                 }
             }
@@ -309,7 +309,7 @@ fun RenderCustomEmoji(word: String, customEmoji: Map<String, String>) {
 }
 
 @Composable
-private fun RenderContentAsMarkdown(content: String, backgroundColor: Color) {
+private fun RenderContentAsMarkdown(content: String, backgroundColor: Color, tags: List<List<String>>?, nav: (String) -> Unit) {
     val myMarkDownStyle = richTextDefaults.copy(
         codeBlockStyle = richTextDefaults.codeBlockStyle?.copy(
             textStyle = TextStyle(
@@ -333,7 +333,6 @@ private fun RenderContentAsMarkdown(content: String, backgroundColor: Color) {
         ),
         stringStyle = richTextDefaults.stringStyle?.copy(
             linkStyle = SpanStyle(
-                textDecoration = TextDecoration.Underline,
                 color = MaterialTheme.colors.primary
             ),
             codeStyle = SpanStyle(
@@ -351,14 +350,14 @@ private fun RenderContentAsMarkdown(content: String, backgroundColor: Color) {
 
     LaunchedEffect(key1 = content) {
         withContext(Dispatchers.IO) {
-            nip19References = returnNIP19References(content)
-            markdownWithSpecialContent = returnMarkdownWithSpecialContent(content)
+            nip19References = returnNIP19References(content, tags)
+            markdownWithSpecialContent = returnMarkdownWithSpecialContent(content, tags)
         }
     }
 
     LaunchedEffect(key1 = refresh) {
         withContext(Dispatchers.IO) {
-            val newMarkdownWithSpecialContent = returnMarkdownWithSpecialContent(content)
+            val newMarkdownWithSpecialContent = returnMarkdownWithSpecialContent(content, tags)
             if (markdownWithSpecialContent != newMarkdownWithSpecialContent) {
                 markdownWithSpecialContent = newMarkdownWithSpecialContent
             }
@@ -388,17 +387,23 @@ private fun RenderContentAsMarkdown(content: String, backgroundColor: Color) {
         baseNote?.let {
             val noteState by it.live().metadata.observeAsState()
             if (noteState?.note?.event != null) {
-                refresh++
+                LaunchedEffect(key1 = noteState) {
+                    refresh++
+                }
             }
         }
         baseUser?.let {
             val userState by it.live().metadata.observeAsState()
             if (userState?.user?.info != null) {
-                refresh++
+                LaunchedEffect(key1 = userState) {
+                    refresh++
+                }
             }
         }
     }
 
+    val uri = LocalUriHandler.current
+
     markdownWithSpecialContent?.let {
         MaterialRichText(
             style = myMarkDownStyle
@@ -406,26 +411,70 @@ private fun RenderContentAsMarkdown(content: String, backgroundColor: Color) {
             Markdown(
                 content = it,
                 markdownParseOptions = MarkdownParseOptions.Default
-            )
+            ) { link ->
+                val route = uriToRoute(link)
+                if (route != null) {
+                    nav(route)
+                } else {
+                    runCatching { uri.openUri(link) }
+                }
+            }
         }
     }
 }
 
-private fun getDisplayNameFromNip19(nip19: Nip19.Return): String? {
-    if (nip19.type == Nip19.Type.USER) {
-        return LocalCache.users[nip19.hex]?.bestDisplayName()
-    } else if (nip19.type == Nip19.Type.NOTE) {
-        return LocalCache.notes[nip19.hex]?.idDisplayNote()
-    } else if (nip19.type == Nip19.Type.ADDRESS) {
-        return LocalCache.addressables[nip19.hex]?.idDisplayNote()
-    } else if (nip19.type == Nip19.Type.EVENT) {
-        return LocalCache.notes[nip19.hex]?.idDisplayNote() ?: LocalCache.addressables[nip19.hex]?.idDisplayNote()
-    } else {
-        return null
+private fun getDisplayNameAndNIP19FromTag(tag: String, tags: List<List<String>>): Pair<String, String>? {
+    val matcher = tagIndex.matcher(tag)
+    val (index, suffix) = try {
+        matcher.find()
+        Pair(matcher.group(1)?.toInt(), matcher.group(2) ?: "")
+    } catch (e: Exception) {
+        Log.w("Tag Parser", "Couldn't link tag $tag", e)
+        Pair(null, null)
     }
+
+    if (index != null && index >= 0 && index < tags.size) {
+        val tag = tags[index]
+
+        if (tag.size > 1) {
+            if (tag[0] == "p") {
+                LocalCache.checkGetOrCreateUser(tag[1])?.let {
+                    return Pair(it.toBestDisplayName(), it.pubkeyNpub())
+                }
+            } else if (tag[0] == "e" || tag[0] == "a") {
+                LocalCache.checkGetOrCreateNote(tag[1])?.let {
+                    return Pair(it.idDisplayNote(), it.toNEvent())
+                }
+            }
+        }
+    }
+
+    return null
 }
 
-private fun returnNIP19References(content: String): List<Nip19.Return> {
+private fun getDisplayNameFromNip19(nip19: Nip19.Return): Pair<String, String>? {
+    if (nip19.type == Nip19.Type.USER) {
+        LocalCache.users[nip19.hex]?.let {
+            return Pair(it.toBestDisplayName(), it.pubkeyNpub())
+        }
+    } else if (nip19.type == Nip19.Type.NOTE) {
+        LocalCache.notes[nip19.hex]?.let {
+            return Pair(it.idDisplayNote(), it.toNEvent())
+        }
+    } else if (nip19.type == Nip19.Type.ADDRESS) {
+        LocalCache.addressables[nip19.hex]?.let {
+            return Pair(it.idDisplayNote(), it.toNEvent())
+        }
+    } else if (nip19.type == Nip19.Type.EVENT) {
+        LocalCache.notes[nip19.hex]?.let {
+            return Pair(it.idDisplayNote(), it.toNEvent())
+        }
+    }
+
+    return null
+}
+
+private fun returnNIP19References(content: String, tags: List<List<String>>?): List<Nip19.Return> {
     val listOfReferences = mutableListOf<Nip19.Return>()
     content.split('\n').forEach { paragraph ->
         paragraph.split(' ').forEach { word: String ->
@@ -437,10 +486,21 @@ private fun returnNIP19References(content: String): List<Nip19.Return> {
             }
         }
     }
+
+    tags?.forEach {
+        if (it[0] == "p" && it.size > 1) {
+            listOfReferences.add(Nip19.Return(Nip19.Type.USER, it[1], null, null, null, ""))
+        } else if (it[0] == "e" && it.size > 1) {
+            listOfReferences.add(Nip19.Return(Nip19.Type.NOTE, it[1], null, null, null, ""))
+        } else if (it[0] == "a" && it.size > 1) {
+            listOfReferences.add(Nip19.Return(Nip19.Type.ADDRESS, it[1], null, null, null, ""))
+        }
+    }
+
     return listOfReferences
 }
 
-private fun returnMarkdownWithSpecialContent(content: String): String {
+private fun returnMarkdownWithSpecialContent(content: String, tags: List<List<String>>?): String {
     var returnContent = ""
     content.split('\n').forEach { paragraph ->
         paragraph.split(' ').forEach { word: String ->
@@ -453,15 +513,43 @@ private fun returnMarkdownWithSpecialContent(content: String): String {
             } else if (isBechLink(word)) {
                 val parsedNip19 = Nip19.uriToRoute(word)
                 returnContent += if (parsedNip19 !== null) {
-                    val displayName = getDisplayNameFromNip19(parsedNip19)
-                    if (displayName != null) {
-                        "[@$displayName](nostr://$word) "
+                    val pair = getDisplayNameFromNip19(parsedNip19)
+                    if (pair != null) {
+                        val (displayName, nip19) = pair
+                        "[$displayName](nostr:$nip19) "
                     } else {
                         "$word "
                     }
                 } else {
                     "$word "
                 }
+            } else if (word.startsWith("#")) {
+                if (tagIndex.matcher(word).matches() && tags != null) {
+                    val pair = getDisplayNameAndNIP19FromTag(word, tags)
+                    if (pair != null) {
+                        returnContent += "[${pair.first}](nostr:${pair.second}) "
+                    } else {
+                        returnContent += "$word "
+                    }
+                } else if (hashTagsPattern.matcher(word).matches()) {
+                    val hashtagMatcher = hashTagsPattern.matcher(word)
+
+                    val (myTag, mySuffix) = try {
+                        hashtagMatcher.find()
+                        Pair(hashtagMatcher.group(1), hashtagMatcher.group(2))
+                    } catch (e: Exception) {
+                        Log.e("Hashtag Parser", "Couldn't link hashtag $word", e)
+                        Pair(null, null)
+                    }
+
+                    if (myTag != null) {
+                        returnContent += "[#$myTag](nostr:Hashtag?id=$myTag)$mySuffix "
+                    } else {
+                        returnContent += "$word "
+                    }
+                } else {
+                    returnContent += "$word "
+                }
             } else {
                 returnContent += "$word "
             }
@@ -482,12 +570,14 @@ fun isBechLink(word: String): Boolean {
 }
 
 @Composable
-fun BechLink(word: String, canPreview: Boolean, backgroundColor: Color, accountViewModel: AccountViewModel, navController: NavController) {
+fun BechLink(word: String, canPreview: Boolean, backgroundColor: Color, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     var nip19Route by remember { mutableStateOf<Nip19.Return?>(null) }
     var baseNotePair by remember { mutableStateOf<Pair<Note, String?>?>(null) }
 
+    val scope = rememberCoroutineScope()
+
     LaunchedEffect(key1 = word) {
-        withContext(Dispatchers.IO) {
+        scope.launch(Dispatchers.IO) {
             Nip19.uriToRoute(word)?.let {
                 if (it.type == Nip19.Type.NOTE || it.type == Nip19.Type.EVENT || it.type == Nip19.Type.ADDRESS) {
                     LocalCache.checkGetOrCreateNote(it.hex)?.let { note ->
@@ -516,7 +606,7 @@ fun BechLink(word: String, canPreview: Boolean, backgroundColor: Color, accountV
                     ),
                 parentBackgroundColor = backgroundColor,
                 isQuotedNote = true,
-                navController = navController
+                nav = nav
             )
             if (!it.second.isNullOrEmpty()) {
                 Text(
@@ -524,21 +614,23 @@ fun BechLink(word: String, canPreview: Boolean, backgroundColor: Color, accountV
                 )
             }
         } ?: nip19Route?.let {
-            ClickableRoute(it, navController)
+            ClickableRoute(it, nav)
         } ?: Text(text = "$word ")
     } else {
         nip19Route?.let {
-            ClickableRoute(it, navController)
+            ClickableRoute(it, nav)
         } ?: Text(text = "$word ")
     }
 }
 
 @Composable
-fun HashTag(word: String, navController: NavController) {
+fun HashTag(word: String, nav: (String) -> Unit) {
     var tagSuffixPair by remember { mutableStateOf<Pair<String, String?>?>(null) }
 
+    val scope = rememberCoroutineScope()
+
     LaunchedEffect(key1 = word) {
-        withContext(Dispatchers.IO) {
+        scope.launch(Dispatchers.IO) {
             val hashtagMatcher = hashTagsPattern.matcher(word)
 
             val (myTag, mySuffix) = try {
@@ -556,7 +648,7 @@ fun HashTag(word: String, navController: NavController) {
     }
 
     tagSuffixPair?.let { tagPair ->
-        val hashtagIcon = checkForHashtagWithIcon(tagPair.first)
+        val hashtagIcon = remember(tagPair.first) { checkForHashtagWithIcon(tagPair.first) }
         ClickableText(
             text = buildAnnotatedString {
                 withStyle(
@@ -565,7 +657,7 @@ fun HashTag(word: String, navController: NavController) {
                     append("#${tagPair.first}")
                 }
             },
-            onClick = { navController.navigate("Hashtag/${tagPair.first}") }
+            onClick = { nav("Hashtag/${tagPair.first}") }
         )
 
         if (hashtagIcon != null) {
@@ -611,7 +703,7 @@ fun HashTag(word: String, navController: NavController) {
 }
 
 @Composable
-fun TagLink(word: String, tags: List<List<String>>, canPreview: Boolean, backgroundColor: Color, accountViewModel: AccountViewModel, navController: NavController) {
+fun TagLink(word: String, tags: List<List<String>>, canPreview: Boolean, backgroundColor: Color, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     var baseUserPair by remember { mutableStateOf<Pair<User, String?>?>(null) }
     var baseNotePair by remember { mutableStateOf<Pair<Note, String?>?>(null) }
 
@@ -663,7 +755,7 @@ fun TagLink(word: String, tags: List<List<String>>, canPreview: Boolean, backgro
             suffix = "${it.second} ",
             tags = userTags,
             route = route,
-            navController = navController
+            nav = nav
         )
     }
 
@@ -683,13 +775,13 @@ fun TagLink(word: String, tags: List<List<String>>, canPreview: Boolean, backgro
                     ),
                 parentBackgroundColor = backgroundColor,
                 isQuotedNote = true,
-                navController = navController
+                nav = nav
             )
             it.second?.ifBlank { null }?.let {
                 Text(text = "$it ")
             }
         } else {
-            ClickableNoteTag(it.first, navController)
+            ClickableNoteTag(it.first, nav)
             Text(text = "${it.second} ")
         }
     }

app/src/main/java/com/vitorpamplona/amethyst/ui/components/RobohashAsyncImage.kt

@@ -34,10 +34,12 @@ fun RobohashAsyncImage(
 ) {
     val context = LocalContext.current
     val size = with(LocalDensity.current) {
-        robotSize.roundToPx()
+        remember {
+            robotSize.roundToPx()
+        }
     }
 
-    val imageRequest = remember(size, robot) {
+    val imageRequest = remember(robotSize, robot) {
         Robohash.imageRequest(
             context,
             robot,
@@ -132,6 +134,7 @@ fun RobohashAsyncImageProxy(
     filterQuality: FilterQuality = DrawScope.DefaultFilterQuality
 ) {
     val proxy = remember(model) { model.proxyUrl() }
+
     if (proxy == null) {
         RobohashAsyncImage(
             robot = robot,

app/src/main/java/com/vitorpamplona/amethyst/ui/components/UrlPreview.kt

@@ -10,25 +10,28 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.platform.LocalContext
-import com.baha.url.preview.IUrlPreviewCallback
-import com.baha.url.preview.UrlInfoItem
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.UrlCachedPreviewer
+import com.vitorpamplona.amethyst.service.previews.IUrlPreviewCallback
+import com.vitorpamplona.amethyst.service.previews.UrlInfoItem
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
 @Composable
 fun UrlPreview(url: String, urlText: String) {
-    val default = UrlCachedPreviewer.cache[url]?.let {
-        if (it.allFetchComplete() && it.url == url) {
-            UrlPreviewState.Loaded(it)
-        } else {
-            UrlPreviewState.Empty
-        }
-    } ?: UrlPreviewState.Loading
     val context = LocalContext.current
 
-    var urlPreviewState by remember { mutableStateOf<UrlPreviewState>(default) }
+    var urlPreviewState by remember {
+        val default = UrlCachedPreviewer.cache[url]?.let {
+            if (it.allFetchComplete() && it.url == url) {
+                UrlPreviewState.Loaded(it)
+            } else {
+                UrlPreviewState.Empty
+            }
+        } ?: UrlPreviewState.Loading
+
+        mutableStateOf(default)
+    }
     val scope = rememberCoroutineScope()
 
     // Doesn't use a viewModel because of viewModel reusing issues (too many UrlPreview are created).

app/src/main/java/com/vitorpamplona/amethyst/ui/components/UrlPreviewCard.kt

@@ -20,8 +20,8 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import coil.compose.AsyncImage
-import com.baha.url.preview.UrlInfoItem
 import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.service.previews.UrlInfoItem
 import java.net.URL
 
 @Composable

app/src/main/java/com/vitorpamplona/amethyst/ui/components/UrlPreviewState.kt

@@ -1,6 +1,6 @@
 package com.vitorpamplona.amethyst.ui.components
 
-import com.baha.url.preview.UrlInfoItem
+import com.vitorpamplona.amethyst.service.previews.UrlInfoItem
 
 sealed class UrlPreviewState {
     object Loading : UrlPreviewState()

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/BookmarkPrivateFeedFilter.kt

@@ -19,7 +19,7 @@ object BookmarkPrivateFeedFilter : FeedFilter<Note>() {
             ?.map { LocalCache.getOrCreateAddressableNote(it) } ?: emptyList()
 
         return notes.plus(addresses).toSet()
-            .sortedBy { it.createdAt() }
+            .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             .reversed()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/BookmarkPublicFeedFilter.kt

@@ -14,7 +14,7 @@ object BookmarkPublicFeedFilter : FeedFilter<Note>() {
         val addresses = bookmarks?.taggedAddresses()?.map { LocalCache.getOrCreateAddressableNote(it) } ?: emptyList()
 
         return notes.plus(addresses).toSet()
-            .sortedBy { it.createdAt() }
+            .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             .reversed()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ChannelFeedFilter.kt

@@ -21,7 +21,7 @@ object ChannelFeedFilter : AdditiveFeedFilter<Note>() {
         return channel.notes
             .values
             .filter { account.isAcceptable(it) }
-            .sortedBy { it.createdAt() }
+            .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             .reversed()
     }
 
@@ -35,6 +35,6 @@ object ChannelFeedFilter : AdditiveFeedFilter<Note>() {
     }
 
     override fun sort(collection: Set<Note>): List<Note> {
-        return collection.sortedBy { it.createdAt() }.reversed()
+        return collection.sortedWith(compareBy({ it.createdAt() }, { it.idHex })).reversed()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ChatroomFeedFilter.kt

@@ -28,7 +28,7 @@ object ChatroomFeedFilter : AdditiveFeedFilter<Note>() {
 
         return messages.roomMessages
             .filter { myAccount.isAcceptable(it) }
-            .sortedBy { it.createdAt() }
+            .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             .reversed()
     }
 
@@ -50,6 +50,6 @@ object ChatroomFeedFilter : AdditiveFeedFilter<Note>() {
     }
 
     override fun sort(collection: Set<Note>): List<Note> {
-        return collection.sortedBy { it.createdAt() }.reversed()
+        return collection.sortedWith(compareBy({ it.createdAt() }, { it.idHex })).reversed()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ChatroomListKnownFeedFilter.kt

@@ -19,20 +19,20 @@ object ChatroomListKnownFeedFilter : FeedFilter<Note>() {
         val privateMessages = messagingWith.mapNotNull { it ->
             privateChatrooms[it]
                 ?.roomMessages
-                ?.sortedBy { it.createdAt() }
+                ?.sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
                 ?.lastOrNull { it.event != null }
         }
 
         val publicChannels = account.followingChannels().map { it ->
             it.notes.values
                 .filter { account.isAcceptable(it) }
-                .sortedBy { it.createdAt() }
+                .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
                 .lastOrNull { it.event != null }
         }
 
         return (privateMessages + publicChannels)
             .filterNotNull()
-            .sortedBy { it.createdAt() }
+            .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             .reversed()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ChatroomListNewFeedFilter.kt

@@ -19,12 +19,12 @@ object ChatroomListNewFeedFilter : FeedFilter<Note>() {
         val privateMessages = messagingWith.mapNotNull { it ->
             privateChatrooms[it]
                 ?.roomMessages
-                ?.sortedBy { it.createdAt() }
+                ?.sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
                 ?.lastOrNull { it.event != null }
         }
 
         return privateMessages
-            .sortedBy { it.createdAt() }
+            .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             .reversed()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/HashtagFeedFilter.kt

@@ -44,6 +44,6 @@ object HashtagFeedFilter : AdditiveFeedFilter<Note>() {
     }
 
     override fun sort(collection: Set<Note>): List<Note> {
-        return collection.sortedBy { it.createdAt() }.reversed()
+        return collection.sortedWith(compareBy({ it.createdAt() }, { it.idHex })).reversed()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/HomeConversationsFeedFilter.kt

@@ -34,6 +34,6 @@ object HomeConversationsFeedFilter : AdditiveFeedFilter<Note>() {
     }
 
     override fun sort(collection: Set<Note>): List<Note> {
-        return collection.sortedBy { it.createdAt() }.reversed()
+        return collection.sortedWith(compareBy({ it.createdAt() }, { it.idHex })).reversed()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/HomeNewThreadFeedFilter.kt

@@ -41,6 +41,6 @@ object HomeNewThreadFeedFilter : AdditiveFeedFilter<Note>() {
     }
 
     override fun sort(collection: Set<Note>): List<Note> {
-        return collection.sortedBy { it.createdAt() }.reversed()
+        return collection.sortedWith(compareBy({ it.createdAt() }, { it.idHex })).reversed()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/NotificationFeedFilter.kt

@@ -41,7 +41,7 @@ object NotificationFeedFilter : AdditiveFeedFilter<Note>() {
     }
 
     override fun sort(collection: Set<Note>): List<Note> {
-        return collection.sortedBy { it.createdAt() }.reversed()
+        return collection.sortedWith(compareBy({ it.createdAt() }, { it.idHex })).reversed()
     }
 
     fun tagsAnEventByUser(note: Note, author: User): Boolean {

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/PeopleListFeedFilter.kt

@@ -19,7 +19,7 @@ object PeopleListFeedFilter : FeedFilter<Note>() {
             .toSet()
 
         return lists
-            .sortedBy { it.createdAt() }
+            .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             .reversed()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/UserProfileBookmarksFeedFilter.kt

@@ -25,7 +25,7 @@ object UserProfileBookmarksFeedFilter : FeedFilter<Note>() {
 
         return (notes + addresses)
             .filter { account.isAcceptable(it) }
-            .sortedBy { it.createdAt() }
+            .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             .reversed()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/UserProfileConversationsFeedFilter.kt

@@ -16,7 +16,7 @@ object UserProfileConversationsFeedFilter : FeedFilter<Note>() {
     override fun feed(): List<Note> {
         return user?.notes
             ?.filter { account?.isAcceptable(it) == true && !it.isNewThread() }
-            ?.sortedBy { it.createdAt() }
+            ?.sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             ?.reversed() ?: emptyList()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/UserProfileNewThreadFeedFilter.kt

@@ -23,7 +23,7 @@ object UserProfileNewThreadFeedFilter : FeedFilter<Note>() {
         return user?.notes
             ?.plus(longFormNotes)
             ?.filter { account?.isAcceptable(it) == true && it.isNewThread() }
-            ?.sortedBy { it.createdAt() }
+            ?.sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             ?.reversed() ?: emptyList()
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/UserProfileReportsFeedFilter.kt

@@ -14,7 +14,7 @@ object UserProfileReportsFeedFilter : FeedFilter<Note>() {
         return user?.reports
             ?.values
             ?.flatten()
-            ?.sortedBy { it.createdAt() }
+            ?.sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             ?.reversed() ?: emptyList()
     }
 }

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

@@ -5,6 +5,7 @@ import android.view.ViewTreeObserver
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.RowScope
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
@@ -33,9 +34,11 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalView
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.navigation.NavHostController
+import androidx.navigation.compose.currentBackStackEntryAsState
 import com.vitorpamplona.amethyst.NotificationCache
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
@@ -82,11 +85,7 @@ fun keyboardAsState(): State<Keyboard> {
 
 @Composable
 fun AppBottomBar(navController: NavHostController, accountViewModel: AccountViewModel) {
-    val currentRoute = currentRoute(navController)
-    val currentRouteBase = currentRoute?.substringBefore("?")
-    val coroutineScope = rememberCoroutineScope()
     val isKeyboardOpen by keyboardAsState()
-
     if (isKeyboardOpen == Keyboard.Closed) {
         Column() {
             Divider(
@@ -98,37 +97,7 @@ fun AppBottomBar(navController: NavHostController, accountViewModel: AccountView
                 backgroundColor = MaterialTheme.colors.background
             ) {
                 bottomNavigationItems.forEach { item ->
-                    val selected = currentRouteBase == item.base
-
-                    BottomNavigationItem(
-                        icon = { NotifiableIcon(item, selected, accountViewModel) },
-                        selected = selected,
-                        onClick = {
-                            coroutineScope.launch {
-                                if (currentRouteBase != item.base) {
-                                    navController.navigate(item.base) {
-                                        navController.graph.startDestinationRoute?.let { start ->
-                                            popUpTo(start)
-                                            restoreState = true
-                                        }
-                                        launchSingleTop = true
-                                        restoreState = true
-                                    }
-                                } else {
-                                    val route = currentRoute.replace("{scrollToTop}", "true")
-                                    navController.navigate(route) {
-                                        navController.graph.startDestinationRoute?.let { start ->
-                                            popUpTo(start) { inclusive = item.route == Route.Home.route }
-                                            restoreState = true
-                                        }
-
-                                        launchSingleTop = true
-                                        restoreState = true
-                                    }
-                                }
-                            }
-                        }
-                    )
+                    HasNewItemsIcon(item, accountViewModel, navController)
                 }
             }
         }
@@ -136,38 +105,117 @@ fun AppBottomBar(navController: NavHostController, accountViewModel: AccountView
 }
 
 @Composable
-private fun NotifiableIcon(route: Route, selected: Boolean, accountViewModel: AccountViewModel) {
+private fun RowScope.HasNewItemsIcon(
+    route: Route,
+    accountViewModel: AccountViewModel,
+    navController: NavHostController
+) {
     val scope = rememberCoroutineScope()
 
-    Box(Modifier.size(if ("Home" == route.base) 25.dp else 23.dp)) {
-        Icon(
-            painter = painterResource(id = route.icon),
-            contentDescription = null,
-            modifier = Modifier.size(if ("Home" == route.base) 24.dp else 20.dp),
-            tint = if (selected) MaterialTheme.colors.primary else Color.Unspecified
-        )
+    val accountState by accountViewModel.accountLiveData.observeAsState()
+    val account = remember(accountState) { accountState?.account } ?: return
 
-        val accountState by accountViewModel.accountLiveData.observeAsState()
-        val account = accountState?.account ?: return
+    val notifState by NotificationCache.live.observeAsState()
+    val notif = remember(notifState) { notifState?.cache } ?: return
 
-        val notifState = NotificationCache.live.observeAsState()
-        val notif = notifState.value ?: return
+    var hasNewItems by remember { mutableStateOf<Boolean>(false) }
 
-        var hasNewItems by remember { mutableStateOf<Boolean>(false) }
-
-        LaunchedEffect(key1 = notif) {
-            scope.launch(Dispatchers.IO) {
-                hasNewItems = route.hasNewItems(account, notif.cache, emptySet())
+    LaunchedEffect(key1 = notifState, key2 = accountState) {
+        scope.launch(Dispatchers.IO) {
+            val newHasNewItems = route.hasNewItems(account, notif, emptySet())
+            if (newHasNewItems != hasNewItems) {
+                hasNewItems = newHasNewItems
             }
         }
+    }
 
-        LaunchedEffect(Unit) {
-            scope.launch(Dispatchers.IO) {
-                LocalCache.live.newEventBundles.collect {
-                    hasNewItems = route.hasNewItems(account, notif.cache, it)
+    LaunchedEffect(accountState) {
+        scope.launch(Dispatchers.IO) {
+            LocalCache.live.newEventBundles.collect {
+                val newHasNewItems = route.hasNewItems(account, notif, it)
+                if (newHasNewItems != hasNewItems) {
+                    hasNewItems = newHasNewItems
                 }
             }
         }
+    }
+
+    BottomIcon(
+        icon = route.icon,
+        size = if ("Home" == route.base) 25.dp else 23.dp,
+        iconSize = if ("Home" == route.base) 24.dp else 20.dp,
+        base = route.base,
+        hasNewItems = hasNewItems,
+        navController
+    ) { selected ->
+        scope.launch {
+            if (!selected) {
+                navController.navigate(route.base) {
+                    navController.graph.startDestinationRoute?.let { start ->
+                        popUpTo(start)
+                        restoreState = true
+                    }
+                    launchSingleTop = true
+                    restoreState = true
+                }
+            } else {
+                val newRoute = route.route.replace("{scrollToTop}", "true")
+                navController.navigate(newRoute) {
+                    navController.graph.startDestinationRoute?.let { start ->
+                        popUpTo(start) { inclusive = route.route == Route.Home.route }
+                        restoreState = true
+                    }
+
+                    launchSingleTop = true
+                    restoreState = true
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun RowScope.BottomIcon(
+    icon: Int,
+    size: Dp,
+    iconSize: Dp,
+    base: String,
+    hasNewItems: Boolean,
+    navController: NavHostController,
+    onClick: (Boolean) -> Unit
+) {
+    val navBackStackEntry by navController.currentBackStackEntryAsState()
+
+    navBackStackEntry?.let {
+        val selected = remember(it) {
+            it.destination.route?.substringBefore("?") == base
+        }
+
+        BottomNavigationItem(
+            icon = {
+                NotifiableIcon(
+                    icon,
+                    size,
+                    iconSize,
+                    selected,
+                    hasNewItems
+                )
+            },
+            selected = selected,
+            onClick = { onClick(selected) }
+        )
+    }
+}
+
+@Composable
+private fun NotifiableIcon(icon: Int, size: Dp, iconSize: Dp, selected: Boolean, hasNewItems: Boolean) {
+    Box(Modifier.size(size)) {
+        Icon(
+            painter = painterResource(id = icon),
+            contentDescription = null,
+            modifier = Modifier.size(iconSize),
+            tint = if (selected) MaterialTheme.colors.primary else Color.Unspecified
+        )
 
         if (hasNewItems) {
             Box(

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

@@ -8,6 +8,7 @@ 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.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavHostController
@@ -18,6 +19,7 @@ import com.vitorpamplona.amethyst.ui.dal.HomeConversationsFeedFilter
 import com.vitorpamplona.amethyst.ui.dal.HomeNewThreadFeedFilter
 import com.vitorpamplona.amethyst.ui.dal.NotificationFeedFilter
 import com.vitorpamplona.amethyst.ui.dal.VideoFeedFilter
+import com.vitorpamplona.amethyst.ui.note.UserReactionsViewModel
 import com.vitorpamplona.amethyst.ui.screen.NostrGlobalFeedViewModel
 import com.vitorpamplona.amethyst.ui.screen.NostrHomeFeedViewModel
 import com.vitorpamplona.amethyst.ui.screen.NostrHomeRepliesFeedViewModel
@@ -37,6 +39,9 @@ import com.vitorpamplona.amethyst.ui.screen.loggedIn.ProfileScreen
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.SearchScreen
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.ThreadScreen
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.VideoScreen
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
 
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
@@ -50,7 +55,8 @@ fun AppNavigation(
 
     // Avoids creating ViewModels for performance reasons (up to 1 second delays)
     val accountState by accountViewModel.accountLiveData.observeAsState()
-    val account = accountState?.account ?: return
+    val account = remember(accountState) { accountState?.account } ?: return
+    val accountHex = remember(accountState) { accountState?.account?.userProfile()?.pubkeyHex }
 
     HomeNewThreadFeedFilter.account = account
     HomeConversationsFeedFilter.account = account
@@ -67,6 +73,24 @@ fun AppNavigation(
     NotificationFeedFilter.account = account
     val notifFeedViewModel: NotificationViewModel = viewModel()
 
+    val userReactionsStatsModel: UserReactionsViewModel = viewModel()
+    val scope = rememberCoroutineScope()
+
+    LaunchedEffect(accountHex) {
+        scope.launch(Dispatchers.IO) {
+            userReactionsStatsModel.load(account.userProfile())
+            userReactionsStatsModel.initializeSuspend()
+        }
+    }
+
+    val nav = remember {
+        { route: String ->
+            if (getRouteWithArguments(navController) != route) {
+                navController.navigate(route)
+            }
+        }
+    }
+
     NavHost(navController, startDestination = Route.Home.route) {
         Route.Video.let { route ->
             composable(route.route, route.arguments, content = {
@@ -75,13 +99,19 @@ fun AppNavigation(
                 VideoScreen(
                     videoFeedView = videoFeedViewModel,
                     accountViewModel = accountViewModel,
-                    navController = navController,
+                    nav = nav,
                     scrollToTop = scrollToTop
                 )
 
                 // Avoids running scroll to top when back button is pressed
+                // Changes this on a thread to avoid changing before it finishes the composition
                 if (scrollToTop) {
-                    it.arguments?.remove("scrollToTop")
+                    LaunchedEffect(key1 = Unit) {
+                        scope.launch {
+                            delay(1000)
+                            it.arguments?.remove("scrollToTop")
+                        }
+                    }
                 }
             })
         }
@@ -93,13 +123,19 @@ fun AppNavigation(
                 SearchScreen(
                     searchFeedViewModel = searchFeedViewModel,
                     accountViewModel = accountViewModel,
-                    navController = navController,
+                    nav = nav,
                     scrollToTop = scrollToTop
                 )
 
                 // Avoids running scroll to top when back button is pressed
+                // Changes this on a thread to avoid changing before it finishes the composition
                 if (scrollToTop) {
-                    it.arguments?.remove("scrollToTop")
+                    LaunchedEffect(key1 = Unit) {
+                        scope.launch {
+                            delay(1000)
+                            it.arguments?.remove("scrollToTop")
+                        }
+                    }
                 }
             })
         }
@@ -113,7 +149,7 @@ fun AppNavigation(
                     homeFeedViewModel = homeFeedViewModel,
                     repliesFeedViewModel = repliesFeedViewModel,
                     accountViewModel = accountViewModel,
-                    navController = navController,
+                    nav = nav,
                     pagerState = homePagerState,
                     scrollToTop = scrollToTop,
                     nip47 = nip47
@@ -121,10 +157,20 @@ fun AppNavigation(
 
                 // Avoids running scroll to top when back button is pressed
                 if (scrollToTop) {
-                    it.arguments?.remove("scrollToTop")
+                    LaunchedEffect(key1 = Unit) {
+                        scope.launch {
+                            delay(1000)
+                            it.arguments?.remove("scrollToTop")
+                        }
+                    }
                 }
                 if (nip47 != null) {
-                    it.arguments?.remove("nip47")
+                    LaunchedEffect(key1 = Unit) {
+                        scope.launch {
+                            delay(1000)
+                            it.arguments?.remove("nip47")
+                        }
+                    }
                 }
             })
         }
@@ -135,28 +181,35 @@ fun AppNavigation(
 
                 NotificationScreen(
                     notifFeedViewModel = notifFeedViewModel,
+                    userReactionsStatsModel = userReactionsStatsModel,
                     accountViewModel = accountViewModel,
-                    navController = navController,
+                    nav = nav,
                     scrollToTop = scrollToTop
                 )
 
                 // Avoids running scroll to top when back button is pressed
+                // Changes this on a thread to avoid changing before it finishes the composition
                 if (scrollToTop) {
-                    it.arguments?.remove("scrollToTop")
+                    LaunchedEffect(key1 = Unit) {
+                        scope.launch {
+                            delay(1000)
+                            it.arguments?.remove("scrollToTop")
+                        }
+                    }
                 }
             })
         }
 
-        composable(Route.Message.route, content = { ChatroomListScreen(accountViewModel, navController) })
-        composable(Route.BlockedUsers.route, content = { HiddenUsersScreen(accountViewModel, navController) })
-        composable(Route.Bookmarks.route, content = { BookmarkListScreen(accountViewModel, navController) })
+        composable(Route.Message.route, content = { ChatroomListScreen(accountViewModel, nav) })
+        composable(Route.BlockedUsers.route, content = { HiddenUsersScreen(accountViewModel, nav) })
+        composable(Route.Bookmarks.route, content = { BookmarkListScreen(accountViewModel, nav) })
 
         Route.Profile.let { route ->
             composable(route.route, route.arguments, content = {
                 ProfileScreen(
                     userId = it.arguments?.getString("id"),
                     accountViewModel = accountViewModel,
-                    navController = navController
+                    nav = nav
                 )
             })
         }
@@ -166,7 +219,7 @@ fun AppNavigation(
                 ThreadScreen(
                     noteId = it.arguments?.getString("id"),
                     accountViewModel = accountViewModel,
-                    navController = navController
+                    nav = nav
                 )
             })
         }
@@ -176,7 +229,7 @@ fun AppNavigation(
                 HashtagScreen(
                     tag = it.arguments?.getString("id"),
                     accountViewModel = accountViewModel,
-                    navController = navController
+                    nav = nav
                 )
             })
         }
@@ -186,7 +239,7 @@ fun AppNavigation(
                 ChatroomScreen(
                     userId = it.arguments?.getString("id"),
                     accountViewModel = accountViewModel,
-                    navController = navController
+                    nav = nav
                 )
             })
         }
@@ -196,7 +249,7 @@ fun AppNavigation(
                 ChannelScreen(
                     channelId = it.arguments?.getString("id"),
                     accountViewModel = accountViewModel,
-                    navController = navController
+                    nav = nav
                 )
             })
         }
@@ -214,7 +267,7 @@ fun AppNavigation(
 
     actionableNextPage?.let {
         LaunchedEffect(it) {
-            navController.navigate(it)
+            nav(it)
         }
         actionableNextPage = null
     }

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

@@ -7,6 +7,7 @@ import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 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
@@ -23,6 +24,7 @@ import androidx.compose.material.Text
 import androidx.compose.material.TopAppBar
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material.icons.filled.ExpandMore
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
@@ -81,7 +83,7 @@ import kotlinx.coroutines.withContext
 @Composable
 fun AppTopBar(followLists: FollowListViewModel, navController: NavHostController, scaffoldState: ScaffoldState, accountViewModel: AccountViewModel) {
     when (currentRoute(navController)?.substringBefore("?")) {
-        // Route.Profile.route -> TopBarWithBackButton(navController)
+        // Route.Profile.route -> TopBarWithBackButton(nav)
         Route.Home.base -> HomeTopBar(followLists, scaffoldState, accountViewModel)
         Route.Video.base -> StoriesTopBar(followLists, scaffoldState, accountViewModel)
         Route.Notification.base -> NotificationTopBar(followLists, scaffoldState, accountViewModel)
@@ -337,7 +339,16 @@ fun SimpleTextSpinner(
         modifier = modifier,
         contentAlignment = Alignment.Center
     ) {
-        Text(placeholder)
+        Row(verticalAlignment = Alignment.CenterVertically) {
+            Spacer(modifier = Modifier.size(20.dp))
+            Text(placeholder)
+            Icon(
+                imageVector = Icons.Default.ExpandMore,
+                null,
+                modifier = Modifier.size(20.dp),
+                tint = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+            )
+        }
         Box(
             modifier = Modifier
                 .matchParentSize()