Merge branch 'main' into amber

app/build.gradle

@@ -13,8 +13,8 @@ android {
         applicationId "com.vitorpamplona.amethyst"
         minSdk 26
         targetSdk 34
-        versionCode 276
-        versionName "0.74.3"
+        versionCode 278
+        versionName "0.74.5"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
@@ -88,7 +88,7 @@ android {
 
 dependencies {
     implementation project(path: ':quartz')
-    implementation 'androidx.core:core-ktx:1.10.1'
+    implementation "androidx.core:core-ktx:$core_ktx_version"
     implementation 'androidx.activity:activity-compose:1.7.2'
     implementation "androidx.compose.ui:ui:$compose_ui_version"
     implementation "androidx.compose.ui:ui-tooling-preview:$compose_ui_version"
@@ -112,7 +112,7 @@ dependencies {
     implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_version"
 
     // Zoomable images
-    implementation "net.engawapg.lib:zoomable:1.4.3"
+    implementation "net.engawapg.lib:zoomable:1.5.0"
 
     // Biometrics
     implementation "androidx.biometric:biometric-ktx:1.2.0-alpha05"

app/src/androidTest/java/com/vitorpamplona/amethyst/ImageUploadTesting.kt

@@ -21,7 +21,7 @@ class ImageUploadTesting {
 
     val image = "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"
 
-    fun testBase(server: FileServer) {
+    private fun testBase(server: FileServer) {
         val bytes = Base64.getDecoder().decode(image)
         val inputStream = bytes.inputStream()
 
@@ -39,7 +39,7 @@ class ImageUploadTesting {
             "image/gif",
             server,
             onSuccess = { newUrl, contentType ->
-                println("Uploaded to $url")
+                println("Uploaded $contentType to $url")
                 url = newUrl
                 countDownLatch.countDown()
             },

app/src/androidTest/java/com/vitorpamplona/amethyst/RichTextParserTest.kt

@@ -4128,7 +4128,7 @@ https://nostr.build/i/fd53fcf5ad950fbe45127e4bcee1b59e8301d41de6beee211f45e344db
     }
 
     private fun printStateForDebug(state: RichTextViewerState) {
-        state.paragraphs.forEachIndexed { index, paragraph ->
+        state.paragraphs.forEach { paragraph ->
             paragraph.words.forEach { seg ->
                 println(
                     "\"${

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

@@ -205,6 +205,10 @@ object LocalPreferences {
         }
     }
 
+    fun allLocalAccountNPubs(): Set<String> {
+        return savedAccounts().toSet()
+    }
+
     fun saveToEncryptedStorage(account: Account) {
         val prefs = encryptedPreferences(account.userProfile().pubkeyNpub())
         prefs.edit().apply {

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

@@ -31,6 +31,7 @@ import com.vitorpamplona.amethyst.service.NostrUserProfileDataSource
 import com.vitorpamplona.amethyst.service.NostrVideoDataSource
 import com.vitorpamplona.amethyst.service.relays.Client
 import com.vitorpamplona.amethyst.ui.actions.ImageUploader
+import com.vitorpamplona.quartz.encoders.decodePublicKeyAsHexOrNull
 import java.io.File
 
 object ServiceManager {
@@ -124,11 +125,14 @@ object ServiceManager {
     fun cleanUp() {
         LocalCache.cleanObservers()
 
+        val accounts = LocalPreferences.allLocalAccountNPubs().mapNotNull { decodePublicKeyAsHexOrNull(it) }.toSet()
+
         account?.let {
             LocalCache.pruneOldAndHiddenMessages(it)
             LocalCache.pruneHiddenMessages(it)
-            LocalCache.pruneContactLists(it)
-            LocalCache.pruneRepliesAndReactions(it)
+            LocalCache.pruneContactLists(accounts)
+            LocalCache.pruneRepliesAndReactions(accounts)
+            LocalCache.prunePastVersionsOfReplaceables()
         }
     }
 }

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

@@ -204,46 +204,6 @@ object LocalCache {
         }
     }
 
-    fun consume(event: PeopleListEvent) {
-        val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.address())
-        val author = getOrCreateUser(event.pubKey)
-
-        if (version.event == null) {
-            version.loadEvent(event, author, emptyList())
-            version.moveAllReferencesTo(note)
-        }
-
-        // Already processed this event.
-        if (note.event?.id() == event.id()) return
-
-        if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList())
-
-            refreshObservers(note)
-        }
-    }
-
-    private fun consume(event: AdvertisedRelayListEvent) {
-        val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.address())
-        val author = getOrCreateUser(event.pubKey)
-
-        if (version.event == null) {
-            version.loadEvent(event, author, emptyList())
-            version.moveAllReferencesTo(note)
-        }
-
-        // Already processed this event.
-        if (note.event?.id() == event.id()) return
-
-        if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList())
-
-            refreshObservers(note)
-        }
-    }
-
     fun formattedDateTime(timestamp: Long): String {
         return Instant.ofEpochSecond(timestamp).atZone(ZoneId.systemDefault())
             .format(DateTimeFormatter.ofPattern("uuuu MMM d hh:mm a"))
@@ -349,25 +309,6 @@ object LocalCache {
         refreshObservers(note)
     }
 
-    private fun consume(event: CommunityDefinitionEvent, relay: Relay?) {
-        val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.address())
-        val author = getOrCreateUser(event.pubKey)
-
-        if (version.event == null) {
-            version.loadEvent(event, author, emptyList())
-            version.moveAllReferencesTo(note)
-        }
-
-        if (note.event?.id() == event.id()) return
-
-        if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList())
-
-            refreshObservers(note)
-        }
-    }
-
     private fun consume(event: LiveActivitiesEvent, relay: Relay?) {
         val version = getOrCreateNote(event.id)
         val note = getOrCreateAddressableNote(event.address())
@@ -392,140 +333,17 @@ object LocalCache {
         }
     }
 
-    fun consume(event: EmojiPackSelectionEvent) {
-        val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.address())
-        val author = getOrCreateUser(event.pubKey)
+    fun consume(event: PeopleListEvent) { consumeBaseReplaceable(event) }
+    private fun consume(event: AdvertisedRelayListEvent) { consumeBaseReplaceable(event) }
+    private fun consume(event: CommunityDefinitionEvent, relay: Relay?) { consumeBaseReplaceable(event) }
+    fun consume(event: EmojiPackSelectionEvent) { consumeBaseReplaceable(event) }
+    private fun consume(event: EmojiPackEvent) { consumeBaseReplaceable(event) }
+    private fun consume(event: ClassifiedsEvent) { consumeBaseReplaceable(event) }
+    private fun consume(event: PinListEvent) { consumeBaseReplaceable(event) }
+    private fun consume(event: RelaySetEvent) { consumeBaseReplaceable(event) }
+    private fun consume(event: AudioTrackEvent) { consumeBaseReplaceable(event) }
 
-        if (version.event == null) {
-            version.loadEvent(event, author, emptyList())
-            version.moveAllReferencesTo(note)
-        }
-
-        if (note.event?.id() == event.id()) return
-
-        if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList())
-
-            refreshObservers(note)
-        }
-    }
-
-    private fun consume(event: EmojiPackEvent) {
-        val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.address())
-        val author = getOrCreateUser(event.pubKey)
-
-        if (version.event == null) {
-            version.loadEvent(event, author, emptyList())
-            version.moveAllReferencesTo(note)
-        }
-
-        if (note.event?.id() == event.id()) return
-
-        if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList())
-
-            refreshObservers(note)
-        }
-    }
-
-    private fun consume(event: ClassifiedsEvent) {
-        val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.address())
-        val author = getOrCreateUser(event.pubKey)
-
-        if (version.event == null) {
-            version.loadEvent(event, author, emptyList())
-            version.moveAllReferencesTo(note)
-        }
-
-        if (note.event?.id() == event.id()) return
-
-        if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList())
-
-            refreshObservers(note)
-        }
-    }
-
-    private fun consume(event: PinListEvent) {
-        val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.address())
-        val author = getOrCreateUser(event.pubKey)
-
-        if (version.event == null) {
-            version.loadEvent(event, author, emptyList())
-            version.moveAllReferencesTo(note)
-        }
-
-        if (note.event?.id() == event.id()) return
-
-        if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList())
-
-            refreshObservers(note)
-        }
-    }
-
-    private fun consume(event: RelaySetEvent) {
-        val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.address())
-        val author = getOrCreateUser(event.pubKey)
-
-        if (version.event == null) {
-            version.loadEvent(event, author, emptyList())
-            version.moveAllReferencesTo(note)
-        }
-
-        if (note.event?.id() == event.id()) return
-
-        if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList())
-
-            refreshObservers(note)
-        }
-    }
-
-    private fun consume(event: AudioTrackEvent) {
-        val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.address())
-        val author = getOrCreateUser(event.pubKey)
-
-        if (version.event == null) {
-            version.loadEvent(event, author, emptyList())
-            version.moveAllReferencesTo(note)
-        }
-
-        // Already processed this event.
-        if (note.event?.id() == event.id()) return
-
-        if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList())
-
-            refreshObservers(note)
-        }
-    }
-
-    fun consume(event: BadgeDefinitionEvent) {
-        val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.address())
-        val author = getOrCreateUser(event.pubKey)
-
-        if (version.event == null) {
-            version.loadEvent(event, author, emptyList())
-            version.moveAllReferencesTo(note)
-        }
-
-        // Already processed this event.
-        if (note.event?.id() == event.id()) return
-
-        if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList<Note>())
-
-            refreshObservers(note)
-        }
-    }
+    fun consume(event: BadgeDefinitionEvent) { consumeBaseReplaceable(event) }
 
     fun consume(event: BadgeProfilesEvent) {
         val version = getOrCreateNote(event.id)
@@ -541,7 +359,7 @@ object LocalCache {
         if (note.event?.id() == event.id()) return
 
         val replyTo = event.badgeAwardEvents().mapNotNull { checkGetOrCreateNote(it) } +
-            event.badgeAwardDefinitions().mapNotNull { getOrCreateAddressableNote(it) }
+            event.badgeAwardDefinitions().map { getOrCreateAddressableNote(it) }
 
         if (event.createdAt > (note.createdAt() ?: 0)) {
             note.loadEvent(event, author, replyTo)
@@ -571,7 +389,14 @@ object LocalCache {
         refreshObservers(note)
     }
 
-    private fun comsume(event: NNSEvent) {
+    private fun comsume(event: NNSEvent) { consumeBaseReplaceable(event) }
+    fun consume(event: AppDefinitionEvent) { consumeBaseReplaceable(event) }
+    private fun consume(event: CalendarEvent) { consumeBaseReplaceable(event) }
+    private fun consume(event: CalendarDateSlotEvent) { consumeBaseReplaceable(event) }
+    private fun consume(event: CalendarTimeSlotEvent) { consumeBaseReplaceable(event) }
+    private fun consume(event: CalendarRSVPEvent) { consumeBaseReplaceable(event) }
+
+    private fun consumeBaseReplaceable(event: BaseAddressableEvent) {
         val version = getOrCreateNote(event.id)
         val note = getOrCreateAddressableNote(event.address())
         val author = getOrCreateUser(event.pubKey)
@@ -591,45 +416,7 @@ object LocalCache {
         }
     }
 
-    fun consume(event: AppDefinitionEvent) {
-        val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.address())
-        val author = getOrCreateUser(event.pubKey)
-
-        if (version.event == null) {
-            version.loadEvent(event, author, emptyList())
-            version.moveAllReferencesTo(note)
-        }
-
-        // Already processed this event.
-        if (note.event?.id() == event.id()) return
-
-        if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList())
-
-            refreshObservers(note)
-        }
-    }
-
-    fun consume(event: AppRecommendationEvent) {
-        val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.address())
-        val author = getOrCreateUser(event.pubKey)
-
-        if (version.event == null) {
-            version.loadEvent(event, author, emptyList())
-            version.moveAllReferencesTo(note)
-        }
-
-        // Already processed this event.
-        if (note.event?.id() == event.id()) return
-
-        if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList())
-
-            refreshObservers(note)
-        }
-    }
+    fun consume(event: AppRecommendationEvent) { consumeBaseReplaceable(event) }
 
     @Suppress("UNUSED_PARAMETER")
     fun consume(event: RecommendRelayEvent) {
@@ -729,7 +516,7 @@ object LocalCache {
 
         val author = getOrCreateUser(event.pubKey)
         val repliesTo = event.boostedPost().mapNotNull { checkGetOrCreateNote(it) } +
-            event.taggedAddresses().mapNotNull { getOrCreateAddressableNote(it) }
+            event.taggedAddresses().map { getOrCreateAddressableNote(it) }
 
         note.loadEvent(event, author, repliesTo)
 
@@ -751,7 +538,7 @@ object LocalCache {
 
         val author = getOrCreateUser(event.pubKey)
         val repliesTo = event.boostedPost().mapNotNull { checkGetOrCreateNote(it) } +
-            event.taggedAddresses().mapNotNull { getOrCreateAddressableNote(it) }
+            event.taggedAddresses().map { getOrCreateAddressableNote(it) }
 
         note.loadEvent(event, author, repliesTo)
 
@@ -1365,8 +1152,8 @@ object LocalCache {
                 // Doesn't need to clean up the replies and mentions.. Too small to matter.
 
                 // Counts the replies
-                it.replyTo?.forEach { _ ->
-                    it.removeReply(it)
+                it.replyTo?.forEach { parent ->
+                    parent.removeReply(it)
                 }
 
                 childrenToBeRemoved.addAll(it.removeAllChildNotes())
@@ -1389,8 +1176,8 @@ object LocalCache {
                     notes.remove(it.idHex)
 
                     // Counts the replies
-                    it.replyTo?.forEach { _ ->
-                        it.removeReply(it)
+                    it.replyTo?.forEach { parent ->
+                        parent.removeReply(it)
                     }
 
                     childrenToBeRemoved.addAll(it.removeAllChildNotes())
@@ -1405,9 +1192,46 @@ object LocalCache {
         }
     }
 
-    fun pruneRepliesAndReactions(account: Account) {
+    fun prunePastVersionsOfReplaceables() {
+        val toBeRemoved = notes.filter {
+            val noteEvent = it.value.event
+            if (noteEvent is AddressableEvent) {
+                noteEvent.createdAt() < (addressables[noteEvent.address().toTag()]?.event?.createdAt() ?: 0)
+            } else {
+                false
+            }
+        }.values
+
+        val childrenToBeRemoved = mutableListOf<Note>()
+
+        toBeRemoved.forEach {
+            notes.remove(it.idHex)
+
+            val newerVersion = addressables[(it.event as? AddressableEvent)?.address()?.toTag()]
+            if (newerVersion != null) {
+                it.moveAllReferencesTo(newerVersion)
+            }
+
+            it.replyTo?.forEach { masterNote ->
+                masterNote.removeReply(it)
+                masterNote.removeBoost(it)
+                masterNote.removeReaction(it)
+                masterNote.removeZap(it)
+                masterNote.clearEOSE() // allows reloading of these events
+            }
+
+            childrenToBeRemoved.addAll(it.removeAllChildNotes())
+        }
+
+        removeChildrenOf(childrenToBeRemoved)
+
+        if (toBeRemoved.size > 1) {
+            println("PRUNE: ${toBeRemoved.size} old version of addressables removed.")
+        }
+    }
+
+    fun pruneRepliesAndReactions(accounts: Set<HexKey>) {
         checkNotInMainThread()
-        val user = account.userProfile()
 
         val toBeRemoved = notes.filter {
             (
@@ -1416,8 +1240,8 @@ object LocalCache {
                     it.value.event is ReportEvent || it.value.event is GenericRepostEvent
                 ) &&
                 it.value.liveSet?.isInUse() != true && // don't delete if observing.
-                it.value.author != user && // don't delete if it is the logged in account
-                it.value.event?.isTaggedUser(user.pubkeyHex) != true // don't delete if it's a notification to the logged in user
+                it.value.author?.pubkeyHex !in accounts && // don't delete if it is the logged in account
+                it.value.event?.isTaggedUsers(accounts) != true // don't delete if it's a notification to the logged in user
         }.values
 
         val childrenToBeRemoved = mutableListOf<Note>()
@@ -1430,12 +1254,15 @@ object LocalCache {
                 masterNote.removeBoost(it)
                 masterNote.removeReaction(it)
                 masterNote.removeZap(it)
+                masterNote.removeReport(it)
                 masterNote.clearEOSE() // allows reloading of these events
             }
 
             childrenToBeRemoved.addAll(it.removeAllChildNotes())
         }
 
+        removeChildrenOf(childrenToBeRemoved)
+
         if (toBeRemoved.size > 1) {
             println("PRUNE: ${toBeRemoved.size} thread replies removed.")
         }
@@ -1491,12 +1318,15 @@ object LocalCache {
         }
     }
 
-    fun pruneContactLists(userAccount: Account) {
+    fun pruneContactLists(loggedIn: Set<HexKey>) {
         checkNotInMainThread()
 
         var removingContactList = 0
         users.values.forEach {
-            if (it != userAccount.userProfile() && (it.liveSet == null || it.liveSet?.isInUse() == false) && it.latestContactList != null) {
+            if (it.pubkeyHex !in loggedIn &&
+                (it.liveSet == null || it.liveSet?.isInUse() == false) &&
+                it.latestContactList != null
+            ) {
                 it.latestContactList = null
                 removingContactList++
             }
@@ -1547,6 +1377,10 @@ object LocalCache {
                 is BadgeDefinitionEvent -> consume(event)
                 is BadgeProfilesEvent -> consume(event)
                 is BookmarkListEvent -> consume(event)
+                is CalendarEvent -> consume(event)
+                is CalendarDateSlotEvent -> consume(event)
+                is CalendarTimeSlotEvent -> consume(event)
+                is CalendarRSVPEvent -> consume(event)
                 is ChannelCreateEvent -> consume(event)
                 is ChannelHideMessageEvent -> consume(event)
                 is ChannelMessageEvent -> consume(event, relay)

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

@@ -72,7 +72,22 @@ open class Note(val idHex: String) {
     open fun idNote() = id().toNote()
 
     open fun toNEvent(): String {
-        return Nip19.createNEvent(idHex, author?.pubkeyHex, event?.kind(), relays.firstOrNull())
+        val myEvent = event
+        return if (myEvent is WrappedEvent) {
+            val host = myEvent.host
+            if (host != null) {
+                Nip19.createNEvent(
+                    host.id,
+                    host.pubKey,
+                    host.kind(),
+                    relays.firstOrNull()
+                )
+            } else {
+                Nip19.createNEvent(idHex, author?.pubkeyHex, event?.kind(), relays.firstOrNull())
+            }
+        } else {
+            Nip19.createNEvent(idHex, author?.pubkeyHex, event?.kind(), relays.firstOrNull())
+        }
     }
 
     fun toNostrUri(): String {
@@ -238,8 +253,7 @@ open class Note(val idHex: String) {
             zaps = zaps.minus(note)
             liveSet?.zaps?.invalidateData()
         } else if (zaps.containsValue(note)) {
-            val toRemove = zaps.filterValues { it == note }
-            zaps = zaps.minus(toRemove.keys)
+            zaps = zaps.filterValues { it != note }
             liveSet?.zaps?.invalidateData()
         }
     }

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

@@ -22,7 +22,7 @@ class ThreadAssembler {
             }
         }
 
-        val hasNoReplyTo = note.replyTo?.firstOrNull { it.replyTo?.isEmpty() == true }
+        val hasNoReplyTo = note.replyTo?.reversed()?.firstOrNull { it.replyTo?.isEmpty() == true }
         if (hasNoReplyTo != null) return hasNoReplyTo
 
         // recursive

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

@@ -10,12 +10,15 @@ import com.vitorpamplona.quartz.events.Event
 import com.vitorpamplona.quartz.utils.TimeUtils
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.cancel
 import kotlinx.coroutines.launch
 import java.util.UUID
 import kotlin.Error
 
 abstract class NostrDataSource(val debugName: String) {
+    private val scope = CoroutineScope(Dispatchers.IO + SupervisorJob())
+
     private var subscriptions = mapOf<String, Subscription>()
     data class Counter(var counter: Int)
 
@@ -76,6 +79,7 @@ abstract class NostrDataSource(val debugName: String) {
     fun destroy() {
         stop()
         Client.unsubscribe(clientListener)
+        scope.cancel()
         bundler.cancel()
     }
 
@@ -117,8 +121,7 @@ abstract class NostrDataSource(val debugName: String) {
     }
 
     fun resetFilters() {
-        val scope = CoroutineScope(Job() + Dispatchers.IO)
-        scope.launch {
+        scope.launch(Dispatchers.IO) {
             resetFiltersSuspend()
         }
     }

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

@@ -284,16 +284,36 @@ class Relay(
         checkNotInMainThread()
 
         if (signedEvent is RelayAuthEvent) {
+            // specific protocol for this event.
             val event = """["AUTH",${signedEvent.toJson()}]"""
             socket?.send(event)
             eventUploadCounterInBytes += event.bytesUsedInMemory()
-        }
+        } else {
+            if (write) {
+                if (isConnected()) {
+                    if (isReady) {
+                        val event = """["EVENT",${signedEvent.toJson()}]"""
+                        socket?.send(event)
+                        eventUploadCounterInBytes += event.bytesUsedInMemory()
+                    }
+                } else {
+                    // waits 60 seconds to reconnect after disconnected.
+                    if (TimeUtils.now() > closingTimeInSeconds + RECONNECTING_IN_SECONDS) {
+                        // sends all filters after connection is successful.
+                        connectAndRun {
+                            checkNotInMainThread()
 
-        if (write) {
-            if (signedEvent !is RelayAuthEvent) {
-                val event = """["EVENT",${signedEvent.toJson()}]"""
-                socket?.send(event)
-                eventUploadCounterInBytes += event.bytesUsedInMemory()
+                            val event = """["EVENT",${signedEvent.toJson()}]"""
+                            socket?.send(event)
+                            eventUploadCounterInBytes += event.bytesUsedInMemory()
+
+                            // Sends everything.
+                            Client.allSubscriptions().forEach {
+                                sendFilter(requestId = it)
+                            }
+                        }
+                    }
+                }
             }
         }
     }

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

@@ -42,6 +42,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
+import androidx.compose.ui.Alignment.Companion.CenterVertically
 import androidx.compose.ui.ExperimentalComposeUiApi
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.alpha
@@ -910,19 +911,18 @@ fun DisplayLocationInTitle(geohash: String) {
 fun Notifying(baseMentions: ImmutableList<User>?, onClick: (User) -> Unit) {
     val mentions = baseMentions?.toSet()
 
-    FlowRow(verticalAlignment = Alignment.CenterVertically, modifier = Modifier.padding(horizontal = 10.dp)) {
+    FlowRow(horizontalArrangement = Arrangement.spacedBy(5.dp)) {
         if (!mentions.isNullOrEmpty()) {
             Text(
                 stringResource(R.string.reply_notify),
                 fontWeight = FontWeight.Bold,
-                color = MaterialTheme.colors.placeholderText
+                color = MaterialTheme.colors.placeholderText,
+                modifier = Modifier.align(CenterVertically)
             )
 
             mentions.forEachIndexed { idx, user ->
                 val innerUserState by user.live().metadata.observeAsState()
                 innerUserState?.user?.let { myUser ->
-                    Spacer(modifier = Modifier.width(5.dp))
-
                     val tags = remember(innerUserState) {
                         myUser.info?.latestMetadata?.tags?.toImmutableListOfLists()
                     }

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

@@ -35,7 +35,7 @@ class BundledUpdate(
             return
         }
 
-        scope.launch {
+        scope.launch(dispatcher) {
             try {
                 onUpdate()
                 delay(delay)
@@ -77,7 +77,7 @@ class BundledInsert<T>(
             return
         }
 
-        scope.launch(Dispatchers.IO) {
+        scope.launch(dispatcher) {
             try {
                 val mySet = mutableSetOf<T>()
                 queue.drainTo(mySet)

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

@@ -18,7 +18,6 @@ import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Surface
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
@@ -30,9 +29,8 @@ import com.vitorpamplona.amethyst.ui.theme.placeholderText
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 fun SlidingCarousel(
+    pagerState: PagerState,
     modifier: Modifier = Modifier,
-    pagerState: PagerState = remember { PagerState() },
-    itemsCount: Int,
     itemContent: @Composable (index: Int) -> Unit
 ) {
     val isDragged by pagerState.interactionSource.collectIsDraggedAsState()
@@ -40,7 +38,7 @@ fun SlidingCarousel(
     Box(
         modifier = modifier.fillMaxWidth()
     ) {
-        HorizontalPager(pageCount = itemsCount, state = pagerState) { page ->
+        HorizontalPager(state = pagerState) { page ->
             itemContent(page)
         }
 
@@ -55,7 +53,7 @@ fun SlidingCarousel(
         ) {
             DotsIndicator(
                 modifier = Modifier.padding(horizontal = 8.dp, vertical = 6.dp),
-                totalDots = itemsCount,
+                totalDots = pagerState.pageCount,
                 selectedIndex = if (isDragged) pagerState.currentPage else pagerState.targetPage,
                 dotSize = 8.dp
             )

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

@@ -637,7 +637,7 @@ fun ZoomableImageDialog(
     ) {
         Surface(modifier = Modifier.fillMaxSize(), color = MaterialTheme.colors.background) {
             Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.TopCenter) {
-                val pagerState: PagerState = rememberPagerState()
+                val pagerState: PagerState = rememberPagerState() { allImages.size }
 
                 LaunchedEffect(key1 = pagerState, key2 = imageUrl) {
                     val page = allImages.indexOf(imageUrl)
@@ -648,12 +648,10 @@ fun ZoomableImageDialog(
 
                 if (allImages.size > 1) {
                     SlidingCarousel(
-                        pagerState = pagerState,
-                        itemsCount = allImages.size,
-                        itemContent = { index ->
-                            RenderImageOrVideo(allImages[index], false, accountViewModel)
-                        }
-                    )
+                        pagerState = pagerState
+                    ) { index ->
+                        RenderImageOrVideo(allImages[index], false, accountViewModel)
+                    }
                 } else {
                     RenderImageOrVideo(imageUrl, false, accountViewModel)
                 }

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

@@ -15,6 +15,8 @@ import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.AppBarDefaults
 import androidx.compose.material.ContentAlpha
 import androidx.compose.material.Divider
@@ -91,6 +93,7 @@ import com.vitorpamplona.amethyst.ui.note.LongCommunityHeader
 import com.vitorpamplona.amethyst.ui.note.NonClickableUserPictures
 import com.vitorpamplona.amethyst.ui.note.SearchIcon
 import com.vitorpamplona.amethyst.ui.note.ShortCommunityHeader
+import com.vitorpamplona.amethyst.ui.note.UserCompose
 import com.vitorpamplona.amethyst.ui.note.UsernameDisplay
 import com.vitorpamplona.amethyst.ui.screen.equalImmutableLists
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
@@ -107,8 +110,8 @@ import com.vitorpamplona.amethyst.ui.screen.loggedIn.ShowVideoStreaming
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.SpinnerSelectionDialog
 import com.vitorpamplona.amethyst.ui.theme.BottomTopHeight
 import com.vitorpamplona.amethyst.ui.theme.DoubleHorzSpacer
+import com.vitorpamplona.amethyst.ui.theme.HalfVertSpacer
 import com.vitorpamplona.amethyst.ui.theme.HeaderPictureModifier
-import com.vitorpamplona.amethyst.ui.theme.Size10dp
 import com.vitorpamplona.amethyst.ui.theme.Size22Modifier
 import com.vitorpamplona.amethyst.ui.theme.Size34dp
 import com.vitorpamplona.amethyst.ui.theme.Size40dp
@@ -231,7 +234,9 @@ private fun CommunityTopBar(
                     ShortCommunityHeader(baseNote, fontWeight = FontWeight.Medium, accountViewModel, nav)
                 },
                 extendableRow = {
-                    LongCommunityHeader(baseNote, accountViewModel, nav)
+                    Column(Modifier.verticalScroll(rememberScrollState())) {
+                        LongCommunityHeader(baseNote = baseNote, accountViewModel = accountViewModel, nav = nav)
+                    }
                 },
                 popBack = navPopBack
             )
@@ -297,6 +302,17 @@ private fun RenderRoomTopBar(
                     }
                 }
             },
+            extendableRow = {
+                LoadUser(baseUserHex = room.users.first()) {
+                    if (it != null) {
+                        UserCompose(
+                            baseUser = it,
+                            accountViewModel = accountViewModel,
+                            nav = nav
+                        )
+                    }
+                }
+            },
             popBack = navPopBack
         )
     } else {
@@ -308,10 +324,17 @@ private fun RenderRoomTopBar(
                     size = Size34dp
                 )
 
-                RoomNameOnlyDisplay(room, Modifier.padding(start = 10.dp).weight(1f), fontWeight = FontWeight.Medium, accountViewModel.userProfile())
+                RoomNameOnlyDisplay(
+                    room,
+                    Modifier
+                        .padding(start = 10.dp)
+                        .weight(1f),
+                    fontWeight = FontWeight.Medium,
+                    accountViewModel.userProfile()
+                )
             },
             extendableRow = {
-                LongRoomHeader(room, accountViewModel, nav)
+                LongRoomHeader(room = room, accountViewModel = accountViewModel, nav = nav)
             },
             popBack = navPopBack
         )
@@ -342,7 +365,7 @@ private fun ChannelTopBar(
                 )
             },
             extendableRow = {
-                LongChannelHeader(baseChannel, accountViewModel, nav)
+                LongChannelHeader(baseChannel = baseChannel, accountViewModel = accountViewModel, nav = nav)
             },
             popBack = navPopBack
         )
@@ -680,6 +703,7 @@ fun FlexibleTopBarWithBackButton(
             },
             actions = {}
         )
+        Spacer(modifier = HalfVertSpacer)
         Divider(thickness = 0.25.dp)
     }
 }
@@ -861,9 +885,7 @@ fun MyExtensibleTopAppBar(
 
                 if (expanded.value && extendableRow != null) {
                     Row(
-                        Modifier
-                            .fillMaxWidth()
-                            .padding(bottom = Size10dp),
+                        Modifier.fillMaxWidth(),
                         horizontalArrangement = Arrangement.Start,
                         verticalAlignment = Alignment.CenterVertically
                     ) {

app/src/main/java/com/vitorpamplona/amethyst/ui/note/ChannelCardCompose.kt

@@ -770,7 +770,7 @@ fun RenderChannelThumb(baseNote: Note, channel: Channel, accountViewModel: Accou
 @OptIn(ExperimentalLayoutApi::class)
 @Composable
 fun Gallery(users: List<User>, accountViewModel: AccountViewModel) {
-    FlowRow(verticalAlignment = CenterVertically) {
+    FlowRow(verticalArrangement = Arrangement.Center) {
         users.take(6).forEach {
             ClickableUserPicture(it, Size35dp, accountViewModel)
         }

app/src/main/java/com/vitorpamplona/amethyst/ui/note/NoteCompose.kt

@@ -23,9 +23,11 @@ import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.CutCornerShape
 import androidx.compose.foundation.text.ClickableText
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.Button
 import androidx.compose.material.ButtonDefaults
 import androidx.compose.material.Divider
@@ -113,6 +115,7 @@ import com.vitorpamplona.amethyst.ui.screen.loggedIn.ChannelHeader
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.JoinCommunityButton
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.LeaveCommunityButton
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.LiveFlag
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.NormalTimeAgo
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.ScheduledFlag
 import com.vitorpamplona.amethyst.ui.theme.ButtonBorder
 import com.vitorpamplona.amethyst.ui.theme.DividerThickness
@@ -124,6 +127,7 @@ import com.vitorpamplona.amethyst.ui.theme.HalfStartPadding
 import com.vitorpamplona.amethyst.ui.theme.HalfVertSpacer
 import com.vitorpamplona.amethyst.ui.theme.HeaderPictureModifier
 import com.vitorpamplona.amethyst.ui.theme.QuoteBorder
+import com.vitorpamplona.amethyst.ui.theme.Size10dp
 import com.vitorpamplona.amethyst.ui.theme.Size15Modifier
 import com.vitorpamplona.amethyst.ui.theme.Size16Modifier
 import com.vitorpamplona.amethyst.ui.theme.Size20Modifier
@@ -517,7 +521,7 @@ fun CommunityHeader(
     Column(Modifier.fillMaxWidth()) {
         Column(
             verticalArrangement = Arrangement.Center,
-            modifier = modifier.clickable {
+            modifier = Modifier.clickable {
                 if (sendToCommunity) {
                     routeFor(baseNote, accountViewModel.userProfile())?.let {
                         nav(it)
@@ -534,7 +538,14 @@ fun CommunityHeader(
             )
 
             if (expanded.value) {
-                LongCommunityHeader(baseNote, accountViewModel, nav)
+                Column(Modifier.verticalScroll(rememberScrollState())) {
+                    LongCommunityHeader(
+                        baseNote = baseNote,
+                        lineModifier = modifier,
+                        accountViewModel = accountViewModel,
+                        nav = nav
+                    )
+                }
             }
         }
 
@@ -547,23 +558,41 @@ fun CommunityHeader(
 }
 
 @Composable
-fun LongCommunityHeader(baseNote: AddressableNote, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
+fun LongCommunityHeader(
+    baseNote: AddressableNote,
+    lineModifier: Modifier = Modifier.padding(horizontal = Size10dp, vertical = Size5dp),
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit
+) {
     val noteState by baseNote.live().metadata.observeAsState()
     val noteEvent = remember(noteState) { noteState?.note?.event as? CommunityDefinitionEvent } ?: return
 
     Row(
-        Modifier
-            .fillMaxWidth()
-            .padding(top = 10.dp)
+        lineModifier
     ) {
+        val rulesLabel = stringResource(id = R.string.rules)
         val summary = remember(noteState) {
-            noteEvent.description()?.ifBlank { null }
+            val subject = noteEvent.subject()?.ifEmpty { null }
+            val body = noteEvent.description()?.ifBlank { null }
+            val rules = noteEvent.rules()?.ifBlank { null }
+
+            if (!subject.isNullOrBlank() && body?.split("\n")?.get(0)?.contains(subject) == false) {
+                if (rules == null) {
+                    "## $subject\n$body"
+                } else {
+                    "## $subject\n$body\n\n## $rulesLabel\n\n$rules"
+                }
+            } else {
+                if (rules == null) {
+                    body
+                } else {
+                    "$body\n\n$rulesLabel\n$rules"
+                }
+            }
         }
 
         Column(
-            Modifier
-                .weight(1f)
-                .padding(start = 10.dp)
+            Modifier.weight(1f)
         ) {
             Row(verticalAlignment = Alignment.CenterVertically) {
                 val defaultBackground = MaterialTheme.colors.background
@@ -593,40 +622,8 @@ fun LongCommunityHeader(baseNote: AddressableNote, accountViewModel: AccountView
         }
     }
 
-    val rules = remember(noteState) {
-        noteEvent.rules()?.ifBlank { null }
-    }
-
-    rules?.let {
-        Spacer(DoubleVertSpacer)
-        Row(
-            Modifier
-                .fillMaxWidth()
-                .padding(start = 10.dp)
-        ) {
-            val defaultBackground = MaterialTheme.colors.background
-            val background = remember {
-                mutableStateOf(defaultBackground)
-            }
-            val tags = remember(noteEvent) { noteEvent?.tags()?.toImmutableListOfLists() ?: ImmutableListOfLists() }
-
-            TranslatableRichTextViewer(
-                content = it,
-                canPreview = false,
-                tags = tags,
-                backgroundColor = background,
-                accountViewModel = accountViewModel,
-                nav = nav
-            )
-        }
-    }
-
-    Spacer(DoubleVertSpacer)
-
     Row(
-        Modifier
-            .fillMaxWidth()
-            .padding(start = 10.dp),
+        lineModifier,
         verticalAlignment = Alignment.CenterVertically
     ) {
         Text(
@@ -639,8 +636,6 @@ fun LongCommunityHeader(baseNote: AddressableNote, accountViewModel: AccountView
         NoteAuthorPicture(baseNote, nav, accountViewModel, Size25dp)
         Spacer(DoubleHorzSpacer)
         NoteUsernameDisplay(baseNote, remember { Modifier.weight(1f) })
-        TimeAgo(baseNote)
-        MoreOptionsButton(baseNote, accountViewModel)
     }
 
     var participantUsers by remember(baseNote) {
@@ -664,12 +659,9 @@ fun LongCommunityHeader(baseNote: AddressableNote, accountViewModel: AccountView
 
     participantUsers.forEach {
         Row(
-            Modifier
-                .fillMaxWidth()
-                .padding(start = 10.dp, top = 10.dp)
-                .clickable {
-                    nav("User/${it.second.pubkeyHex}")
-                },
+            lineModifier.clickable {
+                nav("User/${it.second.pubkeyHex}")
+            },
             verticalAlignment = Alignment.CenterVertically
         ) {
             it.first.role?.let { it1 ->
@@ -686,6 +678,21 @@ fun LongCommunityHeader(baseNote: AddressableNote, accountViewModel: AccountView
             UsernameDisplay(it.second, remember { Modifier.weight(1f) })
         }
     }
+
+    Row(
+        lineModifier,
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Text(
+            text = stringResource(id = R.string.created_at),
+            maxLines = 1,
+            overflow = TextOverflow.Ellipsis,
+            modifier = Modifier.width(75.dp)
+        )
+        Spacer(DoubleHorzSpacer)
+        NormalTimeAgo(baseNote = baseNote, Modifier.weight(1f))
+        MoreOptionsButton(baseNote, accountViewModel)
+    }
 }
 
 @Composable
@@ -3424,7 +3431,12 @@ fun AudioHeader(noteEvent: AudioHeaderEvent, note: Note, accountViewModel: Accou
             }
 
             content?.let {
-                Row(verticalAlignment = CenterVertically, modifier = Modifier.fillMaxWidth().padding(top = 5.dp)) {
+                Row(
+                    verticalAlignment = CenterVertically,
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 5.dp)
+                ) {
                     TranslatableRichTextViewer(
                         content = it,
                         canPreview = true,

app/src/main/java/com/vitorpamplona/amethyst/ui/note/ReactionsRow.kt

@@ -4,7 +4,7 @@ import android.content.Context
 import android.util.Log
 import android.widget.Toast
 import androidx.compose.animation.AnimatedContent
-import androidx.compose.animation.AnimatedContentScope
+import androidx.compose.animation.AnimatedContentTransitionScope
 import androidx.compose.animation.ContentTransform
 import androidx.compose.animation.Crossfade
 import androidx.compose.animation.ExperimentalAnimationApi
@@ -57,6 +57,7 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.ColorFilter
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.semantics.Role
@@ -119,7 +120,6 @@ import java.math.BigDecimal
 import java.math.RoundingMode
 import java.text.DecimalFormat
 import kotlin.math.roundToInt
-import kotlin.time.ExperimentalTime
 import kotlin.time.measureTimedValue
 
 @Composable
@@ -146,7 +146,6 @@ fun ReactionsRow(
     Spacer(modifier = HalfDoubleVertSpacer)
 }
 
-@OptIn(ExperimentalTime::class)
 @Composable
 private fun InnerReactionRow(
     baseNote: Note,
@@ -621,14 +620,14 @@ private fun SlidingAnimationCount(baseCount: MutableState<Int>, textColor: Color
 private fun SlidingAnimationCount(baseCount: Int, textColor: Color) {
     AnimatedContent<Int>(
         targetState = baseCount,
-        transitionSpec = AnimatedContentScope<Int>::transitionSpec
+        transitionSpec = AnimatedContentTransitionScope<Int>::transitionSpec
     ) { count ->
         TextCount(count, textColor)
     }
 }
 
 @OptIn(ExperimentalAnimationApi::class)
-private fun <S> AnimatedContentScope<S>.transitionSpec(): ContentTransform {
+private fun <S> AnimatedContentTransitionScope<S>.transitionSpec(): ContentTransform {
     return slideAnimation
 }
 
@@ -655,7 +654,7 @@ private fun TextCount(count: Int, textColor: Color) {
 private fun SlidingAnimationAmount(amount: MutableState<String>, textColor: Color) {
     AnimatedContent(
         targetState = amount.value,
-        transitionSpec = AnimatedContentScope<String>::transitionSpec
+        transitionSpec = AnimatedContentTransitionScope<String>::transitionSpec
     ) { count ->
         Text(
             text = count,
@@ -736,25 +735,26 @@ fun BoostReaction(
         }
     ) {
         BoostIcon(baseNote, iconSize, grayTint, accountViewModel)
-    }
 
-    if (wantsToBoost) {
-        BoostTypeChoicePopup(
-            baseNote,
-            accountViewModel,
-            onDismiss = {
-                wantsToBoost = false
-            },
-            onQuote = {
-                wantsToBoost = false
-                onQuotePress()
-            },
-            onRepost = {
-                scope.launch(Dispatchers.IO) {
-                    event = accountViewModel.boost(baseNote, false)
+        if (wantsToBoost) {
+            BoostTypeChoicePopup(
+                baseNote,
+                iconSize,
+                accountViewModel,
+                onDismiss = {
+                    wantsToBoost = false
+                },
+                onQuote = {
+                    wantsToBoost = false
+                    onQuotePress()
                 }
-            }
-        )
+                onRepost = {
+                    scope.launch(Dispatchers.IO) {
+                        event = accountViewModel.boost(baseNote, false)
+                    }
+                }
+            )
+        }
     }
 
     BoostText(baseNote, grayTint)
@@ -871,6 +871,7 @@ fun LikeReaction(
     if (wantsToReact) {
         ReactionChoicePopup(
             baseNote,
+            iconSize,
             accountViewModel,
             onDismiss = {
                 wantsToReact = false
@@ -1306,10 +1307,14 @@ private fun DrawViewCount(
 
 @OptIn(ExperimentalLayoutApi::class)
 @Composable
-private fun BoostTypeChoicePopup(baseNote: Note, accountViewModel: AccountViewModel, onDismiss: () -> Unit, onQuote: () -> Unit, onRepost: () -> Unit) {
+private fun BoostTypeChoicePopup(baseNote: Note, iconSize: Dp, accountViewModel: AccountViewModel, onDismiss: () -> Unit, onQuote: () -> Unit, onRepost: () -> Unit) {
+    val iconSizePx = with(LocalDensity.current) {
+        -iconSize.toPx().toInt()
+    }
+
     Popup(
         alignment = Alignment.BottomCenter,
-        offset = IntOffset(0, -50),
+        offset = IntOffset(0, iconSizePx),
         onDismissRequest = { onDismiss() }
     ) {
         FlowRow {
@@ -1355,6 +1360,7 @@ private fun BoostTypeChoicePopup(baseNote: Note, accountViewModel: AccountViewMo
 @Composable
 fun ReactionChoicePopup(
     baseNote: Note,
+    iconSize: Dp,
     accountViewModel: AccountViewModel,
     onDismiss: () -> Unit,
     onChangeAmount: () -> Unit
@@ -1366,9 +1372,13 @@ fun ReactionChoicePopup(
         baseNote.reactedBy(account.userProfile()).toSet()
     }
 
+    val iconSizePx = with(LocalDensity.current) {
+        -iconSize.toPx().toInt()
+    }
+
     Popup(
         alignment = Alignment.BottomCenter,
-        offset = IntOffset(0, -50),
+        offset = IntOffset(0, iconSizePx),
         onDismissRequest = { onDismiss() }
     ) {
         FlowRow(horizontalArrangement = Arrangement.Center) {

app/src/main/java/com/vitorpamplona/amethyst/ui/note/UserCompose.kt

@@ -13,18 +13,12 @@ import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.theme.Size55dp
+import com.vitorpamplona.amethyst.ui.theme.StdPadding
 
 @Composable
 fun UserCompose(
     baseUser: User,
-    overallModifier: Modifier = remember {
-        Modifier
-            .padding(
-                start = 12.dp,
-                end = 12.dp,
-                top = 10.dp
-            )
-    },
+    overallModifier: Modifier = StdPadding,
     showDiviser: Boolean = true,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
@@ -56,7 +50,6 @@ fun UserCompose(
 
         if (showDiviser) {
             Divider(
-                modifier = Modifier.padding(top = 10.dp),
                 thickness = 0.25.dp
             )
         }

app/src/main/java/com/vitorpamplona/amethyst/ui/note/UserReactionsRow.kt

@@ -57,6 +57,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
 import java.math.BigDecimal
 import java.time.Instant
@@ -109,26 +110,58 @@ fun UserReactionsRow(
 
 @Composable
 private fun UserZapModel(model: UserReactionsViewModel) {
-    val zaps by model.zaps.collectAsState()
-    UserZapReaction(showAmountAxis(zaps[model.today()]))
+    Icon(
+        imageVector = Icons.Default.Bolt,
+        contentDescription = stringResource(R.string.zaps),
+        modifier = Size24Modifier,
+        tint = BitcoinOrange
+    )
+
+    Spacer(modifier = Modifier.width(8.dp))
+
+    UserZapReaction(model)
 }
 
 @Composable
 private fun UserReactionModel(model: UserReactionsViewModel) {
-    val reactions by model.reactions.collectAsState()
-    UserLikeReaction(reactions[model.today()])
+    Icon(
+        painter = painterResource(R.drawable.ic_liked),
+        null,
+        modifier = Size20Modifier,
+        tint = Color.Unspecified
+    )
+
+    Spacer(modifier = StdHorzSpacer)
+
+    UserLikeReaction(model)
 }
 
 @Composable
 private fun UserBoostModel(model: UserReactionsViewModel) {
-    val boosts by model.boosts.collectAsState()
-    UserBoostReaction(boosts[model.today()])
+    Icon(
+        painter = painterResource(R.drawable.ic_retweeted),
+        null,
+        modifier = Size24Modifier,
+        tint = Color.Unspecified
+    )
+
+    Spacer(modifier = StdHorzSpacer)
+
+    UserBoostReaction(model)
 }
 
 @Composable
 private fun UserReplyModel(model: UserReactionsViewModel) {
-    val replies by model.replies.collectAsState()
-    UserReplyReaction(replies[model.today()])
+    Icon(
+        painter = painterResource(R.drawable.ic_comment),
+        null,
+        modifier = Size20Modifier,
+        tint = RoyalBlue
+    )
+
+    Spacer(modifier = StdHorzSpacer)
+
+    UserReplyReaction(model)
 }
 
 @Stable
@@ -154,6 +187,11 @@ class UserReactionsViewModel(val account: Account) : ViewModel() {
     private var takenIntoAccount = setOf<HexKey>()
     private val sdf = DateTimeFormatter.ofPattern("yyyy-MM-dd") // SimpleDateFormat()
 
+    val todaysReplyCount = _replies.map { showCount(it[today()]) }
+    val todaysBoostCount = _boosts.map { showCount(it[today()]) }
+    val todaysReactionCount = _reactions.map { showCount(it[today()]) }
+    val todaysZapAmount = _zaps.map { showAmountAxis(it[today()]) }
+
     fun formatDate(createAt: Long): String {
         return sdf.format(
             Instant.ofEpochSecond(createAt)
@@ -339,18 +377,9 @@ class UserReactionsViewModel(val account: Account) : ViewModel() {
 
 @Composable
 fun UserReplyReaction(
-    replyCount: Int?
+    model: UserReactionsViewModel
 ) {
-    val showCounts = remember(replyCount) { showCount(replyCount) }
-
-    Icon(
-        painter = painterResource(R.drawable.ic_comment),
-        null,
-        modifier = Size20Modifier,
-        tint = RoyalBlue
-    )
-
-    Spacer(modifier = StdHorzSpacer)
+    val showCounts by model.todaysReplyCount.collectAsState("")
 
     Text(
         showCounts,
@@ -361,21 +390,12 @@ fun UserReplyReaction(
 
 @Composable
 fun UserBoostReaction(
-    boostCount: Int?
+    model: UserReactionsViewModel
 ) {
-    val showCounts = remember(boostCount) { showCount(boostCount) }
-
-    Icon(
-        painter = painterResource(R.drawable.ic_retweeted),
-        null,
-        modifier = Size24Modifier,
-        tint = Color.Unspecified
-    )
-
-    Spacer(modifier = StdHorzSpacer)
+    val boosts by model.todaysBoostCount.collectAsState("")
 
     Text(
-        showCounts,
+        boosts,
         fontWeight = FontWeight.Bold,
         fontSize = 18.sp
     )
@@ -383,21 +403,12 @@ fun UserBoostReaction(
 
 @Composable
 fun UserLikeReaction(
-    likeCount: Int?
+    model: UserReactionsViewModel
 ) {
-    val showCounts = remember(likeCount) { showCount(likeCount) }
-
-    Icon(
-        painter = painterResource(R.drawable.ic_liked),
-        null,
-        modifier = Size20Modifier,
-        tint = Color.Unspecified
-    )
-
-    Spacer(modifier = StdHorzSpacer)
+    val reactions by model.todaysReactionCount.collectAsState("")
 
     Text(
-        text = showCounts,
+        text = reactions,
         fontWeight = FontWeight.Bold,
         fontSize = 18.sp
     )
@@ -405,17 +416,9 @@ fun UserLikeReaction(
 
 @Composable
 fun UserZapReaction(
-    amount: String
+    model: UserReactionsViewModel
 ) {
-    Icon(
-        imageVector = Icons.Default.Bolt,
-        contentDescription = stringResource(R.string.zaps),
-        modifier = Size24Modifier,
-        tint = BitcoinOrange
-    )
-
-    Spacer(modifier = Modifier.width(8.dp))
-
+    val amount by model.todaysZapAmount.collectAsState("")
     Text(
         amount,
         fontWeight = FontWeight.Bold,

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

@@ -3,6 +3,7 @@ package com.vitorpamplona.amethyst.ui.screen
 import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.foundation.pager.PagerState
+import androidx.compose.foundation.pager.rememberPagerState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.saveable.rememberSaveable
@@ -61,17 +62,19 @@ fun rememberForeverLazyListState(
 fun rememberForeverPagerState(
     key: String,
     initialFirstVisibleItemIndex: Int = 0,
-    initialFirstVisibleItemScrollOffset: Float = 0.0f
+    initialFirstVisibleItemScrollOffset: Float = 0.0f,
+    pageCount: () -> Int
 ): PagerState {
-    val scrollState = rememberSaveable(saver = PagerState.Saver) {
-        val savedValue = savedScrollStates[key]
-        val savedIndex = savedValue?.index ?: initialFirstVisibleItemIndex
-        val savedOffset = savedValue?.scrollOffsetFraction ?: initialFirstVisibleItemScrollOffset
-        PagerState(
-            savedIndex,
-            savedOffset
-        )
-    }
+    val savedValue = savedScrollStates[key]
+    val savedIndex = savedValue?.index ?: initialFirstVisibleItemIndex
+    val savedOffset = savedValue?.scrollOffsetFraction ?: initialFirstVisibleItemScrollOffset
+
+    val scrollState = rememberPagerState(
+        savedIndex,
+        savedOffset,
+        pageCount
+    )
+
     DisposableEffect(scrollState) {
         onDispose {
             val lastIndex = scrollState.currentPage
@@ -79,5 +82,6 @@ fun rememberForeverPagerState(
             savedScrollStates[key] = ScrollState(lastIndex, lastOffset)
         }
     }
+
     return scrollState
 }

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

@@ -50,7 +50,7 @@ fun BookmarkListScreen(accountViewModel: AccountViewModel, nav: (String) -> Unit
 
         Column(Modifier.fillMaxHeight()) {
             Column(modifier = Modifier.padding(start = 10.dp, end = 10.dp)) {
-                val pagerState = rememberPagerState()
+                val pagerState = rememberPagerState() { 2 }
                 val coroutineScope = rememberCoroutineScope()
 
                 TabRow(
@@ -73,7 +73,7 @@ fun BookmarkListScreen(accountViewModel: AccountViewModel, nav: (String) -> Unit
                         }
                     )
                 }
-                HorizontalPager(pageCount = 2, state = pagerState) { page ->
+                HorizontalPager(state = pagerState) { page ->
                     when (page) {
                         0 -> RefresheableFeedView(
                             privateFeedViewModel,

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

@@ -108,12 +108,12 @@ import com.vitorpamplona.amethyst.ui.note.LoadChannel
 import com.vitorpamplona.amethyst.ui.note.MoreOptionsButton
 import com.vitorpamplona.amethyst.ui.note.NoteAuthorPicture
 import com.vitorpamplona.amethyst.ui.note.NoteUsernameDisplay
-import com.vitorpamplona.amethyst.ui.note.TimeAgo
 import com.vitorpamplona.amethyst.ui.note.UserPicture
 import com.vitorpamplona.amethyst.ui.note.UsernameDisplay
 import com.vitorpamplona.amethyst.ui.note.ZapReaction
 import com.vitorpamplona.amethyst.ui.note.routeFor
 import com.vitorpamplona.amethyst.ui.note.timeAgo
+import com.vitorpamplona.amethyst.ui.note.timeAgoShort
 import com.vitorpamplona.amethyst.ui.screen.NostrChannelFeedViewModel
 import com.vitorpamplona.amethyst.ui.screen.RefreshingChatroomFeedView
 import com.vitorpamplona.amethyst.ui.screen.equalImmutableLists
@@ -584,7 +584,7 @@ fun ChannelHeader(
             )
 
             if (expanded.value) {
-                LongChannelHeader(baseChannel, accountViewModel, nav)
+                LongChannelHeader(baseChannel = baseChannel, accountViewModel = accountViewModel, nav = nav)
             }
         }
 
@@ -726,6 +726,7 @@ fun ShortChannelHeader(
 @Composable
 fun LongChannelHeader(
     baseChannel: Channel,
+    lineModifier: Modifier = Modifier.padding(horizontal = 10.dp, vertical = 5.dp),
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
@@ -735,18 +736,14 @@ fun LongChannelHeader(
     } ?: return
 
     Row(
-        Modifier
-            .fillMaxWidth()
-            .padding(top = 10.dp)
+        lineModifier
     ) {
         val summary = remember(channelState) {
             channel.summary()?.ifBlank { null }
         }
 
         Column(
-            Modifier
-                .weight(1f)
-                .padding(start = 10.dp)
+            Modifier.weight(1f)
         ) {
             Row(verticalAlignment = Alignment.CenterVertically) {
                 val defaultBackground = MaterialTheme.colors.background
@@ -773,7 +770,9 @@ fun LongChannelHeader(
             }
 
             if (baseChannel is LiveActivitiesChannel) {
-                val hashtags = remember(baseChannel.info) { baseChannel.info?.hashtags()?.toImmutableList() ?: persistentListOf() }
+                val hashtags = remember(baseChannel.info) {
+                    baseChannel.info?.hashtags()?.toImmutableList() ?: persistentListOf()
+                }
                 DisplayUncitedHashtags(hashtags, summary ?: "", nav)
             }
         }
@@ -788,28 +787,37 @@ fun LongChannelHeader(
         }
     }
 
-    Spacer(DoubleVertSpacer)
-
-    Row(
-        Modifier
-            .fillMaxWidth()
-            .padding(start = 10.dp),
-        verticalAlignment = Alignment.CenterVertically
-    ) {
-        LoadNote(baseNoteHex = channel.idHex) {
-            it?.let {
+    LoadNote(baseNoteHex = channel.idHex) { loadingNote ->
+        loadingNote?.let { note ->
+            Row(
+                lineModifier,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
                 Text(
                     text = stringResource(id = R.string.owner),
                     maxLines = 1,
                     overflow = TextOverflow.Ellipsis,
-                    modifier = Modifier.width(55.dp)
+                    modifier = Modifier.width(75.dp)
                 )
                 Spacer(DoubleHorzSpacer)
-                NoteAuthorPicture(it, nav, accountViewModel, Size25dp)
+                NoteAuthorPicture(note, nav, accountViewModel, Size25dp)
                 Spacer(DoubleHorzSpacer)
-                NoteUsernameDisplay(it, remember { Modifier.weight(1f) })
-                TimeAgo(it)
-                MoreOptionsButton(it, accountViewModel)
+                NoteUsernameDisplay(note, remember { Modifier.weight(1f) })
+            }
+
+            Row(
+                lineModifier,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Text(
+                    text = stringResource(id = R.string.created_at),
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis,
+                    modifier = Modifier.width(75.dp)
+                )
+                Spacer(DoubleHorzSpacer)
+                NormalTimeAgo(note, remember { Modifier.weight(1f) })
+                MoreOptionsButton(note, accountViewModel)
             }
         }
     }
@@ -835,9 +843,7 @@ fun LongChannelHeader(
 
         participantUsers.forEach {
             Row(
-                Modifier
-                    .fillMaxWidth()
-                    .padding(start = 10.dp, top = 10.dp)
+                lineModifier
                     .clickable {
                         nav("User/${it.second.pubkeyHex}")
                     },
@@ -860,6 +866,24 @@ fun LongChannelHeader(
     }
 }
 
+@Composable
+fun NormalTimeAgo(baseNote: Note, modifier: Modifier) {
+    val nowStr = stringResource(id = R.string.now)
+
+    val time by remember(baseNote) {
+        derivedStateOf {
+            timeAgoShort(baseNote.createdAt() ?: 0, nowStr)
+        }
+    }
+
+    Text(
+        text = time,
+        maxLines = 1,
+        overflow = TextOverflow.Ellipsis,
+        modifier = modifier
+    )
+}
+
 @Composable
 private fun ShortChannelActionOptions(
     channel: PublicChatChannel,

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

@@ -57,7 +57,7 @@ fun ChatroomListScreen(
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
-    val pagerState = rememberPagerState()
+    val pagerState = rememberPagerState() { 2 }
     val coroutineScope = rememberCoroutineScope()
 
     var moreActionsExpanded by remember { mutableStateOf(false) }
@@ -136,7 +136,6 @@ fun ChatroomListScreen(
                 }
 
                 HorizontalPager(
-                    pageCount = 2,
                     state = pagerState,
                     modifier = Modifier.fillMaxSize()
                 ) { page ->

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

@@ -5,7 +5,6 @@ import androidx.compose.animation.Crossfade
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxHeight
@@ -603,7 +602,7 @@ fun GroupChatroomHeader(
             }
 
             if (expanded.value) {
-                LongRoomHeader(room, accountViewModel, nav)
+                LongRoomHeader(room = room, accountViewModel = accountViewModel, nav = nav)
             }
         }
 
@@ -740,15 +739,18 @@ fun NewSubjectView(onClose: () -> Unit, accountViewModel: AccountViewModel, room
 }
 
 @Composable
-fun LongRoomHeader(room: ChatroomKey, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
+fun LongRoomHeader(
+    room: ChatroomKey,
+    lineModifier: Modifier = StdPadding,
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit
+) {
     val list = remember(room) {
         room.users.toPersistentList()
     }
 
     Row(
-        modifier = Modifier
-            .padding(top = 10.dp)
-            .fillMaxWidth(),
+        modifier = Modifier.fillMaxWidth(),
         horizontalArrangement = Arrangement.Center,
         verticalAlignment = Alignment.CenterVertically
     ) {
@@ -765,16 +767,18 @@ fun LongRoomHeader(room: ChatroomKey, accountViewModel: AccountViewModel, nav: (
     }
 
     LazyColumn(
-        modifier = Modifier.fillMaxHeight(),
-        contentPadding = PaddingValues(
-            bottom = 10.dp
-        ),
+        modifier = Modifier,
         state = rememberLazyListState()
     ) {
         itemsIndexed(list, key = { _, item -> item }) { _, item ->
             LoadUser(baseUserHex = item) {
                 if (it != null) {
-                    UserCompose(baseUser = it, accountViewModel = accountViewModel, nav = nav)
+                    UserCompose(
+                        baseUser = it,
+                        overallModifier = lineModifier,
+                        accountViewModel = accountViewModel,
+                        nav = nav
+                    )
                 }
             }
         }

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

@@ -69,7 +69,17 @@ fun DiscoverScreen(
 ) {
     val lifeCycleOwner = LocalLifecycleOwner.current
 
-    val pagerState = rememberForeverPagerState(key = PagerStateKeys.DISCOVER_SCREEN)
+    val tabs by remember(discoveryLiveFeedViewModel, discoveryCommunityFeedViewModel, discoveryChatFeedViewModel) {
+        mutableStateOf(
+            listOf(
+                TabItem(R.string.discover_live, discoveryLiveFeedViewModel, Route.Discover.base + "Live", ScrollStateKeys.DISCOVER_LIVE, LiveActivitiesEvent.kind),
+                TabItem(R.string.discover_community, discoveryCommunityFeedViewModel, Route.Discover.base + "Community", ScrollStateKeys.DISCOVER_COMMUNITY, CommunityDefinitionEvent.kind),
+                TabItem(R.string.discover_chat, discoveryChatFeedViewModel, Route.Discover.base + "Chats", ScrollStateKeys.DISCOVER_CHATS, ChannelCreateEvent.kind)
+            ).toImmutableList()
+        )
+    }
+
+    val pagerState = rememberForeverPagerState(key = PagerStateKeys.DISCOVER_SCREEN) { tabs.size }
 
     WatchAccountForDiscoveryScreen(
         discoveryLiveFeedViewModel = discoveryLiveFeedViewModel,
@@ -92,16 +102,6 @@ fun DiscoverScreen(
         }
     }
 
-    val tabs by remember(discoveryLiveFeedViewModel, discoveryCommunityFeedViewModel, discoveryChatFeedViewModel) {
-        mutableStateOf(
-            listOf(
-                TabItem(R.string.discover_live, discoveryLiveFeedViewModel, Route.Discover.base + "Live", ScrollStateKeys.DISCOVER_LIVE, LiveActivitiesEvent.kind),
-                TabItem(R.string.discover_community, discoveryCommunityFeedViewModel, Route.Discover.base + "Community", ScrollStateKeys.DISCOVER_COMMUNITY, CommunityDefinitionEvent.kind),
-                TabItem(R.string.discover_chat, discoveryChatFeedViewModel, Route.Discover.base + "Chats", ScrollStateKeys.DISCOVER_CHATS, ChannelCreateEvent.kind)
-            ).toImmutableList()
-        )
-    }
-
     Column(Modifier.fillMaxHeight()) {
         Column(
             modifier = Modifier.padding(vertical = 0.dp)
@@ -139,7 +139,7 @@ private fun DiscoverPages(
         }
     }
 
-    HorizontalPager(pageCount = 3, state = pagerState) { page ->
+    HorizontalPager(state = pagerState) { page ->
         RefresheableView(tabs[page].viewModel, true) {
             SaveableFeedState(tabs[page].viewModel, scrollStateKey = tabs[page].scrollStateKey) { listState ->
                 RenderDiscoverFeed(

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

@@ -78,7 +78,7 @@ fun HiddenUsersScreen(
 
     Column(Modifier.fillMaxHeight()) {
         Column(modifier = Modifier.padding(start = 10.dp, end = 10.dp)) {
-            val pagerState = rememberPagerState()
+            val pagerState = rememberPagerState() { 2 }
             val coroutineScope = rememberCoroutineScope()
             var warnAboutReports by remember { mutableStateOf(accountViewModel.account.warnAboutPostsWithReports) }
             var filterSpam by remember { mutableStateOf(accountViewModel.account.filterSpamFromStrangers) }
@@ -129,7 +129,7 @@ fun HiddenUsersScreen(
                     }
                 )
             }
-            HorizontalPager(pageCount = 2, state = pagerState) { page ->
+            HorizontalPager(state = pagerState) { page ->
                 when (page) {
                     0 -> RefreshingUserFeedView(hiddenFeedViewModel, accountViewModel, nav)
                     1 -> RefreshingUserFeedView(spammerFeedViewModel, accountViewModel, nav)

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

@@ -56,7 +56,7 @@ fun HomeScreen(
 ) {
     var wantsToAddNip47 by remember(nip47) { mutableStateOf(nip47) }
 
-    val pagerState = rememberForeverPagerState(key = PagerStateKeys.HOME_SCREEN)
+    val pagerState = rememberForeverPagerState(key = PagerStateKeys.HOME_SCREEN) { 2 }
 
     WatchAccountForHomeScreen(homeFeedViewModel, repliesFeedViewModel, accountViewModel)
 
@@ -124,7 +124,7 @@ private fun HomePages(
         }
     }
 
-    HorizontalPager(pageCount = 2, state = pagerState) { page ->
+    HorizontalPager(state = pagerState) { page ->
         RefresheableFeedView(
             viewModel = tabs[page].viewModel,
             routeForLastRead = tabs[page].routeForLastRead,

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

@@ -25,6 +25,8 @@ import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.ui.navigation.Route
 import com.vitorpamplona.quartz.events.ChannelCreateEvent
 import com.vitorpamplona.quartz.events.ChatroomKeyable
+import com.vitorpamplona.quartz.events.GiftWrapEvent
+import com.vitorpamplona.quartz.events.SealedGossipEvent
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -75,9 +77,17 @@ fun LoadRedirectScreen(baseNote: Note, accountViewModel: AccountViewModel, nav:
 
     LaunchedEffect(key1 = noteState) {
         scope.launch {
-            val note = noteState?.note
-            val event = note?.event
-            val channelHex = note?.channelHex()
+            val note = noteState?.note ?: return@launch
+            var event = note.event
+            val channelHex = note.channelHex()
+
+            if (event is GiftWrapEvent) {
+                event = accountViewModel.unwrap(event)
+            }
+
+            if (event is SealedGossipEvent) {
+                event = accountViewModel.unseal(event)
+            }
 
             if (event == null) {
                 // stay here, loading
@@ -85,7 +95,7 @@ fun LoadRedirectScreen(baseNote: Note, accountViewModel: AccountViewModel, nav:
                 nav("Channel/${note.idHex}")
             } else if (event is ChatroomKeyable) {
                 note.author?.let {
-                    val withKey = (note.event as ChatroomKeyable)
+                    val withKey = (event as ChatroomKeyable)
                         .chatroomKey(accountViewModel.userProfile().pubkeyHex)
 
                     withContext(Dispatchers.IO) {

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

@@ -113,12 +113,12 @@ var hasAlreadyAskedNotificationPermissions = false
 @OptIn(ExperimentalPermissionsApi::class)
 @Composable
 fun CheckifItNeedsToRequestNotificationPermission() {
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU && !hasAlreadyAskedNotificationPermissions) {
         val notificationPermissionState = rememberPermissionState(
             Manifest.permission.POST_NOTIFICATIONS
         )
 
-        if (!notificationPermissionState.status.isGranted && !hasAlreadyAskedNotificationPermissions) {
+        if (!notificationPermissionState.status.isGranted) {
             hasAlreadyAskedNotificationPermissions = true
 
             // This will pause the APP, including the connection with relays.

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

@@ -313,7 +313,6 @@ private fun RenderSurface(
                     columnSize = it
                 }
         ) {
-            val pagerState = rememberPagerState()
             val coroutineScope = rememberCoroutineScope()
             val scrollState = rememberScrollState()
 
@@ -352,7 +351,6 @@ private fun RenderSurface(
             ) {
                 RenderScreen(
                     baseUser,
-                    pagerState,
                     tabRowModifier,
                     pagerModifier,
                     threadsViewModel,
@@ -375,7 +373,6 @@ private fun RenderSurface(
 @OptIn(ExperimentalFoundationApi::class)
 private fun RenderScreen(
     baseUser: User,
-    pagerState: PagerState,
     tabRowModifier: Modifier,
     pagerModifier: Modifier,
     threadsViewModel: NostrUserProfileNewThreadsFeedViewModel,
@@ -389,6 +386,8 @@ private fun RenderScreen(
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
+    val pagerState = rememberPagerState { 9 }
+
     Column() {
         ProfileHeader(baseUser, appRecommendations, nav, accountViewModel)
         ScrollableTabRow(
@@ -400,7 +399,6 @@ private fun RenderScreen(
             CreateAndRenderTabs(baseUser, pagerState)
         }
         HorizontalPager(
-            pageCount = 9,
             state = pagerState,
             modifier = pagerModifier
         ) { page ->
@@ -1125,7 +1123,7 @@ private fun DisplayAppRecommendations(
                     Text(stringResource(id = R.string.recommended_apps))
 
                     FlowRow(
-                        verticalAlignment = Alignment.CenterVertically,
+                        verticalArrangement = Arrangement.Center,
                         modifier = Modifier.padding(vertical = 5.dp)
                     ) {
                         state.feed.value.forEach { app ->
@@ -1210,7 +1208,7 @@ private fun RenderBadgeList(
     nav: (String) -> Unit
 ) {
     FlowRow(
-        verticalAlignment = Alignment.CenterVertically,
+        verticalArrangement = Arrangement.Center,
         modifier = Modifier.padding(vertical = 5.dp)
     ) {
         list.forEach { badgeAwardEvent ->

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

@@ -18,6 +18,7 @@ import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.pager.PagerState
 import androidx.compose.foundation.pager.VerticalPager
+import androidx.compose.foundation.pager.rememberPagerState
 import androidx.compose.material.Icon
 import androidx.compose.material.IconButton
 import androidx.compose.material.MaterialTheme
@@ -45,6 +46,7 @@ import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.service.NostrVideoDataSource
 import com.vitorpamplona.amethyst.ui.actions.NewPostView
 import com.vitorpamplona.amethyst.ui.components.ObserveDisplayNip05Status
+import com.vitorpamplona.amethyst.ui.note.BoostReaction
 import com.vitorpamplona.amethyst.ui.note.FileHeaderDisplay
 import com.vitorpamplona.amethyst.ui.note.FileStorageHeaderDisplay
 import com.vitorpamplona.amethyst.ui.note.HiddenNote
@@ -54,6 +56,7 @@ import com.vitorpamplona.amethyst.ui.note.NoteComposeReportState
 import com.vitorpamplona.amethyst.ui.note.NoteDropDownMenu
 import com.vitorpamplona.amethyst.ui.note.NoteUsernameDisplay
 import com.vitorpamplona.amethyst.ui.note.RenderRelay
+import com.vitorpamplona.amethyst.ui.note.ReplyReaction
 import com.vitorpamplona.amethyst.ui.note.ViewCountReaction
 import com.vitorpamplona.amethyst.ui.note.WatchForReports
 import com.vitorpamplona.amethyst.ui.note.ZapReaction
@@ -63,6 +66,7 @@ import com.vitorpamplona.amethyst.ui.screen.FeedState
 import com.vitorpamplona.amethyst.ui.screen.FeedViewModel
 import com.vitorpamplona.amethyst.ui.screen.LoadingFeed
 import com.vitorpamplona.amethyst.ui.screen.NostrVideoFeedViewModel
+import com.vitorpamplona.amethyst.ui.screen.RefresheableView
 import com.vitorpamplona.amethyst.ui.screen.ScrollStateKeys
 import com.vitorpamplona.amethyst.ui.screen.rememberForeverPagerState
 import com.vitorpamplona.amethyst.ui.theme.Size35dp
@@ -131,15 +135,7 @@ private fun SaveableFeedState(
     nav: (String) -> Unit,
     scrollStateKey: String? = null
 ) {
-    val pagerState = if (scrollStateKey != null) {
-        rememberForeverPagerState(scrollStateKey)
-    } else {
-        remember { PagerState() }
-    }
-
-    WatchScrollToTop(videoFeedView, pagerState)
-
-    RenderPage(videoFeedView, accountViewModel, pagerState, nav)
+    RenderPage(videoFeedView, accountViewModel, scrollStateKey, nav)
 }
 
 @OptIn(ExperimentalFoundationApi::class)
@@ -163,7 +159,7 @@ public fun WatchScrollToTop(
 fun RenderPage(
     videoFeedView: NostrVideoFeedViewModel,
     accountViewModel: AccountViewModel,
-    pagerState: PagerState,
+    pagerStateKey: String?,
     nav: (String) -> Unit
 ) {
     val feedState by videoFeedView.feedContent.collectAsState()
@@ -184,12 +180,7 @@ fun RenderPage(
                     }
 
                     is FeedState.Loaded -> {
-                        SlidingCarousel(
-                            state.feed,
-                            pagerState,
-                            accountViewModel,
-                            nav
-                        )
+                        LoadedState(state, pagerStateKey, videoFeedView, accountViewModel, nav)
                     }
 
                     is FeedState.Loading -> {
@@ -201,6 +192,33 @@ fun RenderPage(
     }
 }
 
+@Composable
+@OptIn(ExperimentalFoundationApi::class)
+private fun LoadedState(
+    state: FeedState.Loaded,
+    pagerStateKey: String?,
+    videoFeedView: NostrVideoFeedViewModel,
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit
+) {
+    val pagerState = if (pagerStateKey != null) {
+        rememberForeverPagerState(pagerStateKey) { state.feed.value.size }
+    } else {
+        rememberPagerState { state.feed.value.size }
+    }
+
+    WatchScrollToTop(videoFeedView, pagerState)
+
+    RefresheableView(viewModel = videoFeedView) {
+        SlidingCarousel(
+            state.feed,
+            pagerState,
+            accountViewModel,
+            nav
+        )
+    }
+}
+
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 fun SlidingCarousel(
@@ -210,7 +228,6 @@ fun SlidingCarousel(
     nav: (String) -> Unit
 ) {
     VerticalPager(
-        pageCount = feed.value.size,
         state = pagerState,
         beyondBoundsPageCount = 1,
         modifier = Modifier.fillMaxSize(1f),
@@ -434,13 +451,12 @@ fun ReactionsColumn(baseNote: Note, accountViewModel: AccountViewModel, nav: (St
     Spacer(modifier = Modifier.height(8.dp))
 
     Column(horizontalAlignment = Alignment.CenterHorizontally, modifier = Modifier.padding(bottom = 75.dp, end = 20.dp)) {
-        /*
-        ReplyReaction(baseNote, accountViewModel, iconSize = 40.dp) {
+        ReplyReaction(baseNote, grayTint = MaterialTheme.colors.onBackground, accountViewModel, iconSize = 40.dp) {
             wantsToReplyTo = baseNote
         }
-        BoostReaction(baseNote, accountViewModel, iconSize = 40.dp) {
+        BoostReaction(baseNote, grayTint = MaterialTheme.colors.onBackground, accountViewModel, iconSize = 40.dp) {
             wantsToQuote = baseNote
-        }*/
+        }
         LikeReaction(baseNote, grayTint = MaterialTheme.colors.onBackground, accountViewModel, nav, iconSize = 40.dp, heartSize = Size35dp, 28.sp)
         ZapReaction(baseNote, grayTint = MaterialTheme.colors.onBackground, accountViewModel, iconSize = 40.dp, animationSize = Size35dp)
         ViewCountReaction(baseNote, grayTint = MaterialTheme.colors.onBackground, barChartSize = 39.dp, viewCountColorFilter = MaterialTheme.colors.onBackgroundColorFilter)

app/src/main/res/values/strings.xml

@@ -548,4 +548,7 @@
 
     <string name="copy_url_to_clipboard">Copy URL to clipboard</string>
     <string name="copy_the_note_id_to_the_clipboard">Copy Note ID to clipboard</string>
+
+    <string name="created_at">Created at</string>
+    <string name="rules">Rules</string>
 </resources>

benchmark/src/androidTest/java/com/vitorpamplona/amethyst/benchmark/CryptoBenchmark.kt

@@ -38,7 +38,7 @@ class CryptoBenchmark {
         val keyPair2 = KeyPair()
 
         benchmarkRule.measureRepeated {
-            assertNotNull(CryptoUtils.getSharedSecretNIP24(keyPair1.privKey!!, keyPair2.pubKey))
+            assertNotNull(CryptoUtils.getSharedSecretNIP44(keyPair1.privKey!!, keyPair2.pubKey))
         }
     }
 
@@ -58,7 +58,7 @@ class CryptoBenchmark {
         val keyPair2 = KeyPair()
 
         benchmarkRule.measureRepeated {
-            assertNotNull(CryptoUtils.computeSharedSecretNIP24(keyPair1.privKey!!, keyPair2.pubKey))
+            assertNotNull(CryptoUtils.computeSharedSecretNIP44(keyPair1.privKey!!, keyPair2.pubKey))
         }
     }
 

benchmark/src/androidTest/java/com/vitorpamplona/amethyst/benchmark/GiftWrapReceivingBenchmark.kt

@@ -166,7 +166,7 @@ class GiftWrapReceivingBenchmark {
         val toDecrypt = decodeNIP44(wrappedEvent.content) ?: return
 
         benchmarkRule.measureRepeated {
-            assertNotNull(CryptoUtils.decryptNIP24(toDecrypt, sender.privKey!!, wrappedEvent.pubKey.hexToByteArray()))
+            assertNotNull(CryptoUtils.decryptNIP44(toDecrypt, sender.privKey!!, wrappedEvent.pubKey.hexToByteArray()))
         }
     }
 
@@ -191,7 +191,7 @@ class GiftWrapReceivingBenchmark {
         )
 
         val toDecrypt = decodeNIP44(wrappedEvent.content) ?: return
-        val innerJson = CryptoUtils.decryptNIP24(toDecrypt, sender.privKey!!, wrappedEvent.pubKey.hexToByteArray())
+        val innerJson = CryptoUtils.decryptNIP44(toDecrypt, sender.privKey!!, wrappedEvent.pubKey.hexToByteArray())
 
         benchmarkRule.measureRepeated {
             assertNotNull(innerJson?.let { Event.fromJson(it) })
@@ -236,7 +236,7 @@ class GiftWrapReceivingBenchmark {
         val toDecrypt = decodeNIP44(seal.content) ?: return
 
         benchmarkRule.measureRepeated {
-            assertNotNull(CryptoUtils.decryptNIP24(toDecrypt, sender.privKey!!, seal.pubKey.hexToByteArray()))
+            assertNotNull(CryptoUtils.decryptNIP44(toDecrypt, sender.privKey!!, seal.pubKey.hexToByteArray()))
         }
     }
 
@@ -256,7 +256,7 @@ class GiftWrapReceivingBenchmark {
         )
 
         val toDecrypt = decodeNIP44(seal.content) ?: return
-        val innerJson = CryptoUtils.decryptNIP24(toDecrypt, sender.privKey!!, seal.pubKey.hexToByteArray())
+        val innerJson = CryptoUtils.decryptNIP44(toDecrypt, sender.privKey!!, seal.pubKey.hexToByteArray())
 
         benchmarkRule.measureRepeated {
             assertNotNull(innerJson?.let { Gossip.fromJson(it) })

build.gradle

@@ -4,22 +4,24 @@ buildscript {
     ext {
         fragment_version = "1.6.1"
         lifecycle_version = '2.6.1'
-        compose_ui_version = '1.4.3'
-        nav_version = "2.6.0"
+        compose_ui_version = '1.5.0'
+        nav_version = "2.7.0"
         room_version = "2.4.3"
         accompanist_version = '0.30.1'
         coil_version = '2.4.0'
-        vico_version = '1.7.3'
-        exoplayer_version = '1.1.0'
+        vico_version = '1.9.2'
+        exoplayer_version = '1.1.1'
         media3_version = '1.1.0'
+        core_ktx_version = '1.10.1'
     }
     dependencies {
         classpath 'com.google.gms:google-services:4.3.15'
     }
-}// Top-level build file where you can add configuration options common to all sub-projects/modules.
+}
+
 plugins {
-    id 'com.android.application' version '8.1.0' apply false
-    id 'com.android.library' version '8.1.0' apply false
+    id 'com.android.application' version '8.1.1' apply false
+    id 'com.android.library' version '8.1.1' apply false
     id 'org.jetbrains.kotlin.android' version '1.9.0' apply false
     id 'org.jetbrains.kotlin.jvm' version '1.9.0' apply false
     id 'androidx.benchmark' version '1.1.1' apply false

quartz/build.gradle

@@ -32,7 +32,7 @@ android {
 }
 
 dependencies {
-    implementation 'androidx.core:core-ktx:1.9.0'
+    implementation "androidx.core:core-ktx:$core_ktx_version"
 
     // @Immutable and @Stable
     implementation "androidx.compose.runtime:runtime:$compose_ui_version"

quartz/src/androidTest/java/com/vitorpamplona/quartz/CryptoUtilsTest.kt

@@ -24,7 +24,7 @@ class CryptoUtilsTest {
         val privateKey = "f410f88bcec6cbfda04d6a273c7b1dd8bba144cd45b71e87109cfa11dd7ed561"
         val publicKey = "765cd7cf91d3ad07423d114d5a39c61d52b2cdbc18ba055ddbbeec71fbe2aa2f"
 
-        val key = CryptoUtils.getSharedSecretNIP24(privateKey = privateKey.hexToByteArray(), pubKey = publicKey.hexToByteArray())
+        val key = CryptoUtils.getSharedSecretNIP44(privateKey = privateKey.hexToByteArray(), pubKey = publicKey.hexToByteArray())
 
         assertEquals("577c966f499dddd8e8dcc34e8f352e283cc177e53ae372794947e0b8ede7cfd8", key.toHexKey())
     }
@@ -34,8 +34,8 @@ class CryptoUtilsTest {
         val sender = KeyPair()
         val receiver = KeyPair()
 
-        val sharedSecret1 = CryptoUtils.getSharedSecretNIP24(sender.privKey!!, receiver.pubKey)
-        val sharedSecret2 = CryptoUtils.getSharedSecretNIP24(receiver.privKey!!, sender.pubKey)
+        val sharedSecret1 = CryptoUtils.getSharedSecretNIP44(sender.privKey!!, receiver.pubKey)
+        val sharedSecret2 = CryptoUtils.getSharedSecretNIP44(receiver.privKey!!, sender.pubKey)
 
         assertEquals(sharedSecret1.toHexKey(), sharedSecret2.toHexKey())
 
@@ -73,14 +73,14 @@ class CryptoUtilsTest {
     }
 
     @Test
-    fun encryptDecryptNIP24Test() {
+    fun encryptDecryptNIP44Test() {
         val msg = "Hi"
 
         val privateKey = CryptoUtils.privkeyCreate()
         val publicKey = CryptoUtils.pubkeyCreate(privateKey)
 
-        val encrypted = CryptoUtils.encryptNIP24(msg, privateKey, publicKey)
-        val decrypted = CryptoUtils.decryptNIP24(encrypted, privateKey, publicKey)
+        val encrypted = CryptoUtils.encryptNIP44(msg, privateKey, publicKey)
+        val decrypted = CryptoUtils.decryptNIP44(encrypted, privateKey, publicKey)
 
         assertEquals(msg, decrypted)
     }
@@ -99,15 +99,15 @@ class CryptoUtilsTest {
     }
 
     @Test
-    fun encryptSharedSecretDecryptNIP24Test() {
+    fun encryptSharedSecretDecryptNIP44Test() {
         val msg = "Hi"
 
         val privateKey = CryptoUtils.privkeyCreate()
         val publicKey = CryptoUtils.pubkeyCreate(privateKey)
-        val sharedSecret = CryptoUtils.getSharedSecretNIP24(privateKey, publicKey)
+        val sharedSecret = CryptoUtils.getSharedSecretNIP44(privateKey, publicKey)
 
-        val encrypted = CryptoUtils.encryptNIP24(msg, sharedSecret)
-        val decrypted = CryptoUtils.decryptNIP24(encrypted, sharedSecret)
+        val encrypted = CryptoUtils.encryptNIP44(msg, sharedSecret)
+        val decrypted = CryptoUtils.decryptNIP44(encrypted, sharedSecret)
 
         assertEquals(msg, decrypted)
     }

quartz/src/main/java/com/vitorpamplona/quartz/crypto/CryptoUtils.kt

@@ -17,7 +17,7 @@ import javax.crypto.spec.SecretKeySpec
 
 object CryptoUtils {
     private val sharedKeyCache04 = LruCache<Int, ByteArray>(200)
-    private val sharedKeyCache24 = LruCache<Int, ByteArray>(200)
+    private val sharedKeyCache44 = LruCache<Int, ByteArray>(200)
 
     private val secp256k1 = Secp256k1.get()
     private val libSodium = SodiumAndroid()
@@ -26,7 +26,7 @@ object CryptoUtils {
 
     fun clearCache() {
         sharedKeyCache04.evictAll()
-        sharedKeyCache24.evictAll()
+        sharedKeyCache44.evictAll()
     }
 
     fun randomInt(bound: Int): Int {
@@ -115,12 +115,12 @@ object CryptoUtils {
         return String(cipher.doFinal(encryptedMsg))
     }
 
-    fun encryptNIP24(msg: String, privateKey: ByteArray, pubKey: ByteArray): EncryptedInfo {
-        val sharedSecret = getSharedSecretNIP24(privateKey, pubKey)
-        return encryptNIP24(msg, sharedSecret)
+    fun encryptNIP44(msg: String, privateKey: ByteArray, pubKey: ByteArray): EncryptedInfo {
+        val sharedSecret = getSharedSecretNIP44(privateKey, pubKey)
+        return encryptNIP44(msg, sharedSecret)
     }
 
-    fun encryptNIP24(msg: String, sharedSecret: ByteArray): EncryptedInfo {
+    fun encryptNIP44(msg: String, sharedSecret: ByteArray): EncryptedInfo {
         val nonce = ByteArray(24)
         random.nextBytes(nonce)
 
@@ -134,16 +134,16 @@ object CryptoUtils {
         return EncryptedInfo(
             ciphertext = cipher ?: ByteArray(0),
             nonce = nonce,
-            v = Nip44Version.NIP24.versionCode
+            v = Nip44Version.NIP44.versionCode
         )
     }
 
-    fun decryptNIP24(encryptedInfo: EncryptedInfo, privateKey: ByteArray, pubKey: ByteArray): String? {
-        val sharedSecret = getSharedSecretNIP24(privateKey, pubKey)
-        return decryptNIP24(encryptedInfo, sharedSecret)
+    fun decryptNIP44(encryptedInfo: EncryptedInfo, privateKey: ByteArray, pubKey: ByteArray): String? {
+        val sharedSecret = getSharedSecretNIP44(privateKey, pubKey)
+        return decryptNIP44(encryptedInfo, sharedSecret)
     }
 
-    fun decryptNIP24(encryptedInfo: EncryptedInfo, sharedSecret: ByteArray): String? {
+    fun decryptNIP44(encryptedInfo: EncryptedInfo, sharedSecret: ByteArray): String? {
         return cryptoStreamXChaCha20Xor(
             libSodium = libSodium,
             messageBytes = encryptedInfo.ciphertext,
@@ -174,20 +174,20 @@ object CryptoUtils {
     /**
      * @return 32B shared secret
      */
-    fun getSharedSecretNIP24(privateKey: ByteArray, pubKey: ByteArray): ByteArray {
+    fun getSharedSecretNIP44(privateKey: ByteArray, pubKey: ByteArray): ByteArray {
         val hash = combinedHashCode(privateKey, pubKey)
-        val preComputed = sharedKeyCache24[hash]
+        val preComputed = sharedKeyCache44[hash]
         if (preComputed != null) return preComputed
 
-        val computed = computeSharedSecretNIP24(privateKey, pubKey)
-        sharedKeyCache24.put(hash, computed)
+        val computed = computeSharedSecretNIP44(privateKey, pubKey)
+        sharedKeyCache44.put(hash, computed)
         return computed
     }
 
     /**
      * @return 32B shared secret
      */
-    fun computeSharedSecretNIP24(privateKey: ByteArray, pubKey: ByteArray): ByteArray =
+    fun computeSharedSecretNIP44(privateKey: ByteArray, pubKey: ByteArray): ByteArray =
         sha256(secp256k1.pubKeyTweakMul(h02 + pubKey, privateKey).copyOfRange(1, 33))
 }
 
@@ -196,7 +196,7 @@ data class EncryptedInfoString(val ciphertext: String, val nonce: String, val v:
 
 enum class Nip44Version(val versionCode: Int) {
     NIP04(0),
-    NIP24(1)
+    NIP44(1)
 }
 
 
@@ -234,10 +234,10 @@ fun decodeByteArray(base64: String): EncryptedInfo? {
 fun encodeJackson(info: EncryptedInfo): String {
     return Event.mapper.writeValueAsString(
         EncryptedInfoString(
-        v = info.v,
-        nonce = Base64.getEncoder().encodeToString(info.nonce),
-        ciphertext = Base64.getEncoder().encodeToString(info.ciphertext)
-    )
+            v = info.v,
+            nonce = Base64.getEncoder().encodeToString(info.nonce),
+            ciphertext = Base64.getEncoder().encodeToString(info.ciphertext)
+        )
     )
 }
 

quartz/src/main/java/com/vitorpamplona/quartz/events/AdvertisedRelayListEvent.kt

@@ -15,9 +15,8 @@ class AdvertisedRelayListEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     override fun dTag() = fixedDTag
-    override fun address() = ATag(kind, pubKey, dTag(), null)
 
     fun relays(): List<AdvertisedRelayInfo> {
         return tags.mapNotNull {

quartz/src/main/java/com/vitorpamplona/quartz/events/AppDefinitionEvent.kt

@@ -14,10 +14,7 @@ class AppDefinitionEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
-    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
-
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     fun appMetaData() = try {
         mapper.readValue(
             ByteArrayInputStream(content.toByteArray(Charsets.UTF_8)),

quartz/src/main/java/com/vitorpamplona/quartz/events/AppRecommendationEvent.kt

@@ -12,16 +12,11 @@ class AppRecommendationEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     fun recommendations() = tags.filter { it.size > 1 && it[0] == "a" }.mapNotNull {
         ATag.parse(it[1], it.getOrNull(2))
     }
 
-    fun forKind() = runCatching { dTag().toInt() }.getOrNull()
-
-    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
-
     companion object {
         const val kind = 31989
     }

quartz/src/main/java/com/vitorpamplona/quartz/events/AudioTrackEvent.kt

@@ -15,10 +15,7 @@ class AudioTrackEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
-
-    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
 
     fun participants() = tags.filter { it.size > 1 && it[0] == "p" }.map { Participant(it[1], it.getOrNull(2)) }
     fun type() = tags.firstOrNull { it.size > 1 && it[0] == TYPE }?.get(1)

quartz/src/main/java/com/vitorpamplona/quartz/events/BadgeDefinitionEvent.kt

@@ -12,10 +12,7 @@ class BadgeDefinitionEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
-    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
-
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     fun name() = tags.firstOrNull { it.size > 1 && it[0] == "name" }?.get(1)
     fun thumb() = tags.firstOrNull { it.size > 1 && it[0] == "thumb" }?.get(1)
     fun image() = tags.firstOrNull { it.size > 1 && it[0] == "image" }?.get(1)

quartz/src/main/java/com/vitorpamplona/quartz/events/BadgeProfilesEvent.kt

@@ -12,7 +12,7 @@ class BadgeProfilesEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     fun badgeAwardEvents() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
     fun badgeAwardDefinitions() = tags.filter { it.firstOrNull() == "a" }.mapNotNull {
         val aTagValue = it.getOrNull(1)
@@ -21,9 +21,6 @@ class BadgeProfilesEvent(
         if (aTagValue != null) ATag.parse(aTagValue, relay) else null
     }
 
-    override fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
-
     companion object {
         const val kind = 30008
         const val standardDTAg = "profile_badges"

quartz/src/main/java/com/vitorpamplona/quartz/events/CalendarDateSlotEvent.kt

@@ -0,0 +1,41 @@
+package com.vitorpamplona.quartz.events
+
+import androidx.compose.runtime.Immutable
+import com.vitorpamplona.quartz.utils.TimeUtils
+import com.vitorpamplona.quartz.encoders.toHexKey
+import com.vitorpamplona.quartz.crypto.CryptoUtils
+import com.vitorpamplona.quartz.encoders.ATag
+import com.vitorpamplona.quartz.encoders.HexKey
+
+@Immutable
+class CalendarDateSlotEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
+
+    fun location() = tags.firstOrNull { it.size > 1 && it[0] == "location" }?.get(1)
+    fun start() = tags.firstOrNull { it.size > 1 && it[0] == "start" }?.get(1)
+    fun end() = tags.firstOrNull { it.size > 1 && it[0] == "end" }?.get(1)
+
+    //  ["start", "<YYYY-MM-DD>"],
+    //  ["end", "<YYYY-MM-DD>"],
+
+    companion object {
+        const val kind = 31922
+
+        fun create(
+            privateKey: ByteArray,
+            createdAt: Long = TimeUtils.now()
+        ): CalendarDateSlotEvent {
+            val tags = mutableListOf<List<String>>()
+            val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
+            val id = generateId(pubKey, createdAt, kind, tags, "")
+            val sig = CryptoUtils.sign(id, privateKey)
+            return CalendarDateSlotEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
+        }
+    }
+}

quartz/src/main/java/com/vitorpamplona/quartz/events/CalendarEvent.kt

@@ -0,0 +1,33 @@
+package com.vitorpamplona.quartz.events
+
+import androidx.compose.runtime.Immutable
+import com.vitorpamplona.quartz.utils.TimeUtils
+import com.vitorpamplona.quartz.encoders.toHexKey
+import com.vitorpamplona.quartz.crypto.CryptoUtils
+import com.vitorpamplona.quartz.encoders.ATag
+import com.vitorpamplona.quartz.encoders.HexKey
+
+@Immutable
+class CalendarEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
+    companion object {
+        const val kind = 31924
+
+        fun create(
+            privateKey: ByteArray,
+            createdAt: Long = TimeUtils.now()
+        ): CalendarEvent {
+            val tags = mutableListOf<List<String>>()
+            val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
+            val id = generateId(pubKey, createdAt, kind, tags, "")
+            val sig = CryptoUtils.sign(id, privateKey)
+            return CalendarEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
+        }
+    }
+}

quartz/src/main/java/com/vitorpamplona/quartz/events/CalendarRSVPEvent.kt

@@ -0,0 +1,43 @@
+package com.vitorpamplona.quartz.events
+
+import androidx.compose.runtime.Immutable
+import com.vitorpamplona.quartz.utils.TimeUtils
+import com.vitorpamplona.quartz.encoders.toHexKey
+import com.vitorpamplona.quartz.crypto.CryptoUtils
+import com.vitorpamplona.quartz.encoders.ATag
+import com.vitorpamplona.quartz.encoders.HexKey
+
+@Immutable
+class CalendarRSVPEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
+
+    fun status() = tags.firstOrNull { it.size > 1 && it[0] == "location" }?.get(1)
+    fun start() = tags.firstOrNull { it.size > 1 && it[0] == "start" }?.get(1)
+    fun end() = tags.firstOrNull { it.size > 1 && it[0] == "end" }?.get(1)
+
+    //    ["L", "status"],
+    //    ["l", "<accepted/declined/tentative>", "status"],
+    //    ["L", "freebusy"],
+    //    ["l", "<free/busy>", "freebusy"]
+
+    companion object {
+        const val kind = 31925
+
+        fun create(
+            privateKey: ByteArray,
+            createdAt: Long = TimeUtils.now()
+        ): CalendarRSVPEvent {
+            val tags = mutableListOf<List<String>>()
+            val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
+            val id = generateId(pubKey, createdAt, kind, tags, "")
+            val sig = CryptoUtils.sign(id, privateKey)
+            return CalendarRSVPEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
+        }
+    }
+}

quartz/src/main/java/com/vitorpamplona/quartz/events/CalendarTimeSlotEvent.kt

@@ -0,0 +1,45 @@
+package com.vitorpamplona.quartz.events
+
+import androidx.compose.runtime.Immutable
+import com.vitorpamplona.quartz.utils.TimeUtils
+import com.vitorpamplona.quartz.encoders.toHexKey
+import com.vitorpamplona.quartz.crypto.CryptoUtils
+import com.vitorpamplona.quartz.encoders.ATag
+import com.vitorpamplona.quartz.encoders.HexKey
+
+@Immutable
+class CalendarTimeSlotEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
+    fun location() = tags.firstOrNull { it.size > 1 && it[0] == "location" }?.get(1)
+    fun start() = tags.firstOrNull { it.size > 1 && it[0] == "start" }?.get(1)?.toLongOrNull()
+    fun end() = tags.firstOrNull { it.size > 1 && it[0] == "end" }?.get(1)?.toLongOrNull()
+
+    fun startTmz() = tags.firstOrNull { it.size > 1 && it[0] == "start_tzid" }?.get(1)?.toLongOrNull()
+    fun endTmz() = tags.firstOrNull { it.size > 1 && it[0] == "end_tzid" }?.get(1)?.toLongOrNull()
+
+    //    ["start", "<Unix timestamp in seconds>"],
+    //    ["end", "<Unix timestamp in seconds>"],
+    //    ["start_tzid", "<IANA Time Zone Database identifier>"],
+    //    ["end_tzid", "<IANA Time Zone Database identifier>"],
+
+    companion object {
+        const val kind = 31923
+
+        fun create(
+            privateKey: ByteArray,
+            createdAt: Long = TimeUtils.now()
+        ): CalendarTimeSlotEvent {
+            val tags = mutableListOf<List<String>>()
+            val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
+            val id = generateId(pubKey, createdAt, kind, tags, "")
+            val sig = CryptoUtils.sign(id, privateKey)
+            return CalendarTimeSlotEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
+        }
+    }
+}

quartz/src/main/java/com/vitorpamplona/quartz/events/ChannelMessageEvent.kt

@@ -71,5 +71,5 @@ class ChannelMessageEvent(
 }
 
 interface IsInPublicChatChannel {
-    open fun channel(): String?
+    fun channel(): String?
 }

quartz/src/main/java/com/vitorpamplona/quartz/events/ClassifiedsEvent.kt

@@ -15,11 +15,7 @@ class ClassifiedsEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
-
-    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
-
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     fun title() = tags.firstOrNull { it.size > 1 && it[0] == "title" }?.get(1)
     fun image() = tags.firstOrNull { it.size > 1 && it[0] == "image" }?.get(1)
     fun summary() = tags.firstOrNull { it.size > 1 && it[0] == "summary" }?.get(1)

quartz/src/main/java/com/vitorpamplona/quartz/events/CommunityDefinitionEvent.kt

@@ -15,11 +15,7 @@ class CommunityDefinitionEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
-
-    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
-
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     fun description() = tags.firstOrNull { it.size > 1 && it[0] == "description" }?.get(1)
     fun image() = tags.firstOrNull { it.size > 1 && it[0] == "image" }?.get(1)
     fun rules() = tags.firstOrNull { it.size > 1 && it[0] == "rules" }?.get(1)

quartz/src/main/java/com/vitorpamplona/quartz/events/EmojiPackSelectionEvent.kt

@@ -15,11 +15,7 @@ class EmojiPackSelectionEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
-
-    override fun dTag() = ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
-
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     companion object {
         const val kind = 10030
 

quartz/src/main/java/com/vitorpamplona/quartz/events/Event.kt

@@ -98,6 +98,7 @@ open class Event(
     override fun matchTag1With(text: String) = tags.any { it.size > 1 && it[1].contains(text, true) }
 
     override fun isTaggedUser(idHex: String) = tags.any { it.size > 1 && it[0] == "p" && it[1] == idHex }
+    override fun isTaggedUsers(idHexes: Set<String>) = tags.any { it.size > 1 && it[0] == "p" && it[1] in idHexes }
 
     override fun isTaggedEvent(idHex: String) = tags.any { it.size > 1 && it[0] == "e" && it[1] == idHex }
 
@@ -199,7 +200,7 @@ open class Event(
         return try {
             hasCorrectIDHash() && hasVerifedSignature()
         } catch (e: Exception) {
-            Log.e("Event", "Fail checking if event $id has a valid signature", e)
+            Log.e("Event", "Event $id does not have a valid signature: ${toJson()}", e)
             false
         }
     }
@@ -384,6 +385,20 @@ interface AddressableEvent {
     fun address(): ATag
 }
 
+@Immutable
+open class BaseAddressableEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    kind: Int,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+): Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
+    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
+    override fun address() = ATag(kind, pubKey, dTag(), null)
+}
+
 fun String.bytesUsedInMemory(): Int {
     return (8 * ((((this.length) * 2) + 45) / 8))
 }

quartz/src/main/java/com/vitorpamplona/quartz/events/EventFactory.kt

@@ -22,6 +22,10 @@ class EventFactory {
             BadgeDefinitionEvent.kind -> BadgeDefinitionEvent(id, pubKey, createdAt, tags, content, sig)
             BadgeProfilesEvent.kind -> BadgeProfilesEvent(id, pubKey, createdAt, tags, content, sig)
             BookmarkListEvent.kind -> BookmarkListEvent(id, pubKey, createdAt, tags, content, sig)
+            CalendarEvent.kind -> CalendarEvent(id, pubKey, createdAt, tags, content, sig)
+            CalendarDateSlotEvent.kind -> CalendarDateSlotEvent(id, pubKey, createdAt, tags, content, sig)
+            CalendarTimeSlotEvent.kind -> CalendarTimeSlotEvent(id, pubKey, createdAt, tags, content, sig)
+            CalendarRSVPEvent.kind -> CalendarRSVPEvent(id, pubKey, createdAt, tags, content, sig)
             ChannelCreateEvent.kind -> ChannelCreateEvent(id, pubKey, createdAt, tags, content, sig)
             ChannelHideMessageEvent.kind -> ChannelHideMessageEvent(id, pubKey, createdAt, tags, content, sig)
             ChannelMessageEvent.kind -> ChannelMessageEvent(id, pubKey, createdAt, tags, content, sig)
@@ -41,9 +45,6 @@ class EventFactory {
             ContactListEvent.kind -> ContactListEvent(id, pubKey, createdAt, tags, content, sig)
             DeletionEvent.kind -> DeletionEvent(id, pubKey, createdAt, tags, content, sig)
 
-            // Will never happen.
-            // DirectMessageEvent.kind -> DirectMessageEvent(createdAt, tags, content)
-
             EmojiPackEvent.kind -> EmojiPackEvent(id, pubKey, createdAt, tags, content, sig)
             EmojiPackSelectionEvent.kind -> EmojiPackSelectionEvent(id, pubKey, createdAt, tags, content, sig)
             SealedGossipEvent.kind -> SealedGossipEvent(id, pubKey, createdAt, tags, content, sig)
@@ -59,6 +60,7 @@ class EventFactory {
             LnZapEvent.kind -> LnZapEvent(id, pubKey, createdAt, tags, content, sig)
             LnZapPaymentRequestEvent.kind -> LnZapPaymentRequestEvent(id, pubKey, createdAt, tags, content, sig)
             LnZapPaymentResponseEvent.kind -> LnZapPaymentResponseEvent(id, pubKey, createdAt, tags, content, sig)
+            LnZapPrivateEvent.kind -> LnZapPrivateEvent(id, pubKey, createdAt, tags, content, sig)
             LnZapRequestEvent.kind -> LnZapRequestEvent(id, pubKey, createdAt, tags, content, sig)
             LongTextNoteEvent.kind -> LongTextNoteEvent(id, pubKey, createdAt, tags, content, sig)
             MetadataEvent.kind -> MetadataEvent(id, pubKey, createdAt, tags, content, sig)

quartz/src/main/java/com/vitorpamplona/quartz/events/EventInterface.kt

@@ -30,6 +30,7 @@ interface EventInterface {
     fun hasValidSignature(): Boolean
 
     fun isTaggedUser(idHex: String): Boolean
+    fun isTaggedUsers(idHex: Set<String>): Boolean
 
     fun isTaggedEvent(idHex: String): Boolean
 

quartz/src/main/java/com/vitorpamplona/quartz/events/GeneralListEvent.kt

@@ -17,10 +17,7 @@ abstract class GeneralListEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
-    override fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
-
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     fun category() = dTag()
     fun bookmarkedPosts() = taggedEvents()
     fun bookmarkedPeople() = taggedUsers()

quartz/src/main/java/com/vitorpamplona/quartz/events/GiftWrapEvent.kt

@@ -51,7 +51,7 @@ class GiftWrapEvent(
 
             return when (toDecrypt.v) {
                 Nip44Version.NIP04.versionCode -> CryptoUtils.decryptNIP04(toDecrypt, privKey, pubKey.hexToByteArray())
-                Nip44Version.NIP24.versionCode -> CryptoUtils.decryptNIP24(toDecrypt, privKey, pubKey.hexToByteArray())
+                Nip44Version.NIP44.versionCode -> CryptoUtils.decryptNIP44(toDecrypt, privKey, pubKey.hexToByteArray())
                 else -> null
             }
         } catch (e: Exception) {
@@ -71,10 +71,10 @@ class GiftWrapEvent(
             createdAt: Long = TimeUtils.randomWithinAWeek()
         ): GiftWrapEvent {
             val privateKey = CryptoUtils.privkeyCreate() // GiftWrap is always a random key
-            val sharedSecret = CryptoUtils.getSharedSecretNIP24(privateKey, recipientPubKey.hexToByteArray())
+            val sharedSecret = CryptoUtils.getSharedSecretNIP44(privateKey, recipientPubKey.hexToByteArray())
 
             val content = encodeNIP44(
-                CryptoUtils.encryptNIP24(
+                CryptoUtils.encryptNIP44(
                     toJson(event),
                     sharedSecret
                 )

quartz/src/main/java/com/vitorpamplona/quartz/events/LiveActivitiesEvent.kt

@@ -15,11 +15,7 @@ class LiveActivitiesEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
-
-    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
-
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     fun title() = tags.firstOrNull { it.size > 1 && it[0] == "title" }?.get(1)
     fun summary() = tags.firstOrNull { it.size > 1 && it[0] == "summary" }?.get(1)
     fun image() = tags.firstOrNull { it.size > 1 && it[0] == "image" }?.get(1)

quartz/src/main/java/com/vitorpamplona/quartz/events/LnZapPrivateEvent.kt

@@ -0,0 +1,43 @@
+package com.vitorpamplona.quartz.events
+
+import android.util.Log
+import androidx.compose.runtime.Immutable
+import com.vitorpamplona.quartz.crypto.CryptoUtils
+import com.vitorpamplona.quartz.encoders.Bech32
+import com.vitorpamplona.quartz.encoders.HexKey
+import com.vitorpamplona.quartz.encoders.LnInvoiceUtil
+import com.vitorpamplona.quartz.encoders.toHexKey
+import com.vitorpamplona.quartz.utils.TimeUtils
+import java.nio.charset.Charset
+import java.security.SecureRandom
+import javax.crypto.BadPaddingException
+import javax.crypto.Cipher
+import javax.crypto.spec.IvParameterSpec
+import javax.crypto.spec.SecretKeySpec
+
+@Immutable
+class LnZapPrivateEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
+
+    companion object {
+        const val kind = 9733
+
+        fun create(
+            privateKey: ByteArray,
+            tags: List<List<String>> = emptyList(),
+            content: String = "",
+            createdAt: Long = TimeUtils.now()
+        ): Event {
+            val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
+            val id = generateId(pubKey, createdAt, kind, tags, content)
+            val sig = CryptoUtils.sign(id, privateKey).toHexKey()
+            return Event(id.toHexKey(), pubKey, createdAt, kind, tags, content, sig)
+        }
+    }
+}

quartz/src/main/java/com/vitorpamplona/quartz/events/LnZapRequestEvent.kt

@@ -86,9 +86,9 @@ class LnZapRequestEvent(
                 privkey = CryptoUtils.privkeyCreate()
                 pubKey = CryptoUtils.pubkeyCreate(privkey).toHexKey()
             } else if (zapType == LnZapEvent.ZapType.PRIVATE) {
-                var encryptionPrivateKey = createEncryptionPrivateKey(privateKey.toHexKey(), originalNote.id(), createdAt)
-                var noteJson = (create(privkey, 9733, listOf(tags[0], tags[1]), message)).toJson()
-                var encryptedContent = encryptPrivateZapMessage(noteJson, encryptionPrivateKey, originalNote.pubKey().hexToByteArray())
+                val encryptionPrivateKey = createEncryptionPrivateKey(privateKey.toHexKey(), originalNote.id(), createdAt)
+                val noteJson = (LnZapPrivateEvent.create(privkey, listOf(tags[0], tags[1]), message)).toJson()
+                val encryptedContent = encryptPrivateZapMessage(noteJson, encryptionPrivateKey, originalNote.pubKey().hexToByteArray())
                 tags = tags + listOf(listOf("anon", encryptedContent))
                 content = "" // make sure public content is empty, as the content is encrypted
                 privkey = encryptionPrivateKey // sign event with generated privkey
@@ -119,9 +119,9 @@ class LnZapRequestEvent(
                 pubKey = CryptoUtils.pubkeyCreate(privkey).toHexKey()
                 tags = tags + listOf(listOf("anon", ""))
             } else if (zapType == LnZapEvent.ZapType.PRIVATE) {
-                var encryptionPrivateKey = createEncryptionPrivateKey(privateKey.toHexKey(), userHex, createdAt)
-                var noteJson = (create(privkey, 9733, listOf(tags[0], tags[1]), message)).toJson()
-                var encryptedContent = encryptPrivateZapMessage(noteJson, encryptionPrivateKey, userHex.hexToByteArray())
+                val encryptionPrivateKey = createEncryptionPrivateKey(privateKey.toHexKey(), userHex, createdAt)
+                val noteJson = LnZapPrivateEvent.create(privkey, listOf(tags[0], tags[1]), message).toJson()
+                val encryptedContent = encryptPrivateZapMessage(noteJson, encryptionPrivateKey, userHex.hexToByteArray())
                 tags = tags + listOf(listOf("anon", encryptedContent))
                 content = ""
                 privkey = encryptionPrivateKey
@@ -132,21 +132,22 @@ class LnZapRequestEvent(
             return LnZapRequestEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
         }
 
+
         fun createEncryptionPrivateKey(privkey: String, id: String, createdAt: Long): ByteArray {
-            var str = privkey + id + createdAt.toString()
-            var strbyte = str.toByteArray(Charset.forName("utf-8"))
+            val str = privkey + id + createdAt.toString()
+            val strbyte = str.toByteArray(Charset.forName("utf-8"))
             return CryptoUtils.sha256(strbyte)
         }
 
         private fun encryptPrivateZapMessage(msg: String, privkey: ByteArray, pubkey: ByteArray): String {
-            var sharedSecret = CryptoUtils.getSharedSecretNIP04(privkey, pubkey)
+            val sharedSecret = CryptoUtils.getSharedSecretNIP04(privkey, pubkey)
             val iv = ByteArray(16)
             SecureRandom().nextBytes(iv)
 
             val keySpec = SecretKeySpec(sharedSecret, "AES")
             val ivSpec = IvParameterSpec(iv)
 
-            var utf8message = msg.toByteArray(Charset.forName("utf-8"))
+            val utf8message = msg.toByteArray(Charset.forName("utf-8"))
             val cipher = Cipher.getInstance("AES/CBC/PKCS5Padding")
             cipher.init(Cipher.ENCRYPT_MODE, keySpec, ivSpec)
             val encryptedMsg = cipher.doFinal(utf8message)
@@ -158,7 +159,7 @@ class LnZapRequestEvent(
         }
 
         private fun decryptPrivateZapMessage(msg: String, privkey: ByteArray, pubkey: ByteArray): String {
-            var sharedSecret = CryptoUtils.getSharedSecretNIP04(privkey, pubkey)
+            val sharedSecret = CryptoUtils.getSharedSecretNIP04(privkey, pubkey)
             if (sharedSecret.size != 16 && sharedSecret.size != 32) {
                 throw IllegalArgumentException("Invalid shared secret size")
             }
@@ -170,8 +171,10 @@ class LnZapRequestEvent(
             val encryptedMsg = parts.first().run { Bech32.decode(this).second }
             val encryptedBytes = Bech32.five2eight(encryptedMsg, 0)
             val cipher = Cipher.getInstance("AES/CBC/PKCS5Padding")
-            cipher.init(Cipher.DECRYPT_MODE, SecretKeySpec(sharedSecret, "AES"), IvParameterSpec(
-                Bech32.five2eight(iv, 0)))
+            cipher.init(
+                Cipher.DECRYPT_MODE, SecretKeySpec(sharedSecret, "AES"), IvParameterSpec(
+                    Bech32.five2eight(iv, 0))
+            )
 
             try {
                 val decryptedMsgBytes = cipher.doFinal(encryptedBytes)

quartz/src/main/java/com/vitorpamplona/quartz/events/MuteListEvent.kt

@@ -18,10 +18,7 @@ class MuteListEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
-    override fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
-
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     fun plainContent(privKey: ByteArray): String? {
         return try {
             val sharedSecret = CryptoUtils.getSharedSecretNIP04(privKey, pubKey.hexToByteArray())

quartz/src/main/java/com/vitorpamplona/quartz/events/NNSEvent.kt

@@ -15,11 +15,7 @@ class NNSEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
-
-    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
-
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     fun ip4() = tags.firstOrNull { it.size > 1 && it[0] == "ip4" }?.get(1)
     fun ip6() = tags.firstOrNull { it.size > 1 && it[0] == "ip6" }?.get(1)
     fun version() = tags.firstOrNull { it.size > 1 && it[0] == "version" }?.get(1)

quartz/src/main/java/com/vitorpamplona/quartz/events/PinListEvent.kt

@@ -15,10 +15,7 @@ class PinListEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
-
-    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
 
     fun pins() = tags.filter { it.size > 1 && it[0] == "pin" }.map { it[1] }
 

quartz/src/main/java/com/vitorpamplona/quartz/events/RelaySetEvent.kt

@@ -15,11 +15,7 @@ class RelaySetEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
-
-    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
-    override fun address() = ATag(kind, pubKey, dTag(), null)
-
+) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     fun relays() = tags.filter { it.size > 1 && it[0] == "r" }.map { it[1] }
     fun description() = tags.firstOrNull() { it.size > 1 && it[0] == "description" }?.get(1)
 

quartz/src/main/java/com/vitorpamplona/quartz/events/SealedGossipEvent.kt

@@ -53,7 +53,7 @@ class SealedGossipEvent(
 
             return when (toDecrypt.v) {
                 Nip44Version.NIP04.versionCode -> CryptoUtils.decryptNIP04(toDecrypt, privKey, pubKey.hexToByteArray())
-                Nip44Version.NIP24.versionCode -> CryptoUtils.decryptNIP24(toDecrypt, privKey, pubKey.hexToByteArray())
+                Nip44Version.NIP44.versionCode -> CryptoUtils.decryptNIP44(toDecrypt, privKey, pubKey.hexToByteArray())
                 else -> null
             }
         } catch (e: Exception) {
@@ -81,10 +81,10 @@ class SealedGossipEvent(
             privateKey: ByteArray,
             createdAt: Long = TimeUtils.randomWithinAWeek()
         ): SealedGossipEvent {
-            val sharedSecret = CryptoUtils.getSharedSecretNIP24(privateKey, encryptTo.hexToByteArray())
+            val sharedSecret = CryptoUtils.getSharedSecretNIP44(privateKey, encryptTo.hexToByteArray())
 
             val content = encodeNIP44(
-                CryptoUtils.encryptNIP24(
+                CryptoUtils.encryptNIP44(
                     Gossip.toJson(gossip),
                     sharedSecret
                 )