Adds a Share option with NIP-19 nprofile icon on the User Profile screen

Moves to NProfile instead of NPub to cite users.
Adds Npub or NIP-05 to the QR Screen

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

@@ -241,33 +241,25 @@ object LocalCache {
         return users.get(key)
     }
 
-    fun getAddressableNoteIfExists(key: String): AddressableNote? {
+    fun getAddressableNoteIfExists(key: String): AddressableNote? = addressables.get(key)
-        return addressables.get(key)
-    }
 
-    fun getNoteIfExists(key: String): Note? {
+    fun getNoteIfExists(key: String): Note? = addressables.get(key) ?: notes.get(key)
-        return addressables.get(key) ?: notes.get(key)
-    }
 
-    fun getChannelIfExists(key: String): Channel? {
+    fun getChannelIfExists(key: String): Channel? = channels.get(key)
-        return channels.get(key)
-    }
 
-    fun getNoteIfExists(event: Event): Note? {
+    fun getNoteIfExists(event: Event): Note? =
-        return if (event is AddressableEvent) {
+        if (event is AddressableEvent) {
             getAddressableNoteIfExists(event.addressTag())
         } else {
             getNoteIfExists(event.id)
         }
-    }
 
-    fun getOrCreateNote(event: Event): Note {
+    fun getOrCreateNote(event: Event): Note =
-        return if (event is AddressableEvent) {
+        if (event is AddressableEvent) {
             getOrCreateAddressableNote(event.address())
         } else {
             getOrCreateNote(event.id)
         }
-    }
 
     fun checkGetOrCreateNote(key: String): Note? {
         checkNotInMainThread()
@@ -348,8 +340,8 @@ object LocalCache {
         return HexValidator.isHex(key)
     }
 
-    fun checkGetOrCreateAddressableNote(key: String): AddressableNote? {
+    fun checkGetOrCreateAddressableNote(key: String): AddressableNote? =
-        return try {
+        try {
             val addr = ATag.parse(key, null) // relay doesn't matter for the index.
             if (addr != null) {
                 getOrCreateAddressableNote(addr)
@@ -360,7 +352,6 @@ object LocalCache {
             Log.e("LocalCache", "Invalid Key to create channel: $key", e)
             null
         }
-    }
 
     fun getOrCreateAddressableNoteInternal(key: ATag): AddressableNote {
         // checkNotInMainThread()
@@ -395,6 +386,10 @@ object LocalCache {
             val newUserMetadata = event.contactMetaData()
             if (newUserMetadata != null) {
                 oldUser.updateUserInfo(newUserMetadata, event)
+                if (relay != null) {
+                    oldUser.addRelayBeingUsed(relay, event.createdAt)
+                    oldUser.latestMetadataRelay = relay.url
+                }
             }
             // Log.d("MT", "New User Metadata ${oldUser.pubkeyDisplayHex()} ${oldUser.toBestDisplayName()} from ${relay?.url}")
         } else {
@@ -428,11 +423,11 @@ object LocalCache {
         }
     }
 
-    fun formattedDateTime(timestamp: Long): String {
+    fun formattedDateTime(timestamp: Long): String =
-        return Instant.ofEpochSecond(timestamp)
+        Instant
+            .ofEpochSecond(timestamp)
             .atZone(ZoneId.systemDefault())
             .format(DateTimeFormatter.ofPattern("uuuu MMM d hh:mm a"))
-    }
 
     fun consume(
         event: TextNoteEvent,
@@ -755,8 +750,8 @@ object LocalCache {
         }
     }
 
-    fun computeReplyTo(event: Event): List<Note> {
+    fun computeReplyTo(event: Event): List<Note> =
-        return when (event) {
+        when (event) {
             is PollNoteEvent -> event.tagsWithoutCitations().mapNotNull { checkGetOrCreateNote(it) }
             is WikiNoteEvent -> event.tagsWithoutCitations().mapNotNull { checkGetOrCreateNote(it) }
             is LongTextNoteEvent -> event.tagsWithoutCitations().mapNotNull { checkGetOrCreateNote(it) }
@@ -805,7 +800,6 @@ object LocalCache {
 
             else -> emptyList<Note>()
         }
-    }
 
     fun consume(
         event: PollNoteEvent,
@@ -1218,7 +1212,8 @@ object LocalCache {
         if (deletionIndex.add(event)) {
             var deletedAtLeastOne = false
 
-            event.deleteEvents()
+            event
+                .deleteEvents()
                 .mapNotNull { getNoteIfExists(it) }
                 .forEach { deleteNote ->
                     // must be the same author
@@ -2030,7 +2025,8 @@ object LocalCache {
     suspend fun findStatusesForUser(user: User): ImmutableList<AddressableNote> {
         checkNotInMainThread()
 
-        return addressables.filter { _, it ->
+        return addressables
+            .filter { _, it ->
                 val noteEvent = it.event
                 (
                     noteEvent is StatusEvent &&
@@ -2038,8 +2034,7 @@ object LocalCache {
                         !noteEvent.isExpired() &&
                         noteEvent.content.isNotBlank()
                 )
-        }
+            }.sortedWith(compareBy({ it.event?.expiration() ?: it.event?.createdAt() }, { it.idHex }))
-            .sortedWith(compareBy({ it.event?.expiration() ?: it.event?.createdAt() }, { it.idHex }))
             .reversed()
             .toImmutableList()
     }
@@ -2066,9 +2061,7 @@ object LocalCache {
 
     val modificationCache = LruCache<HexKey, List<Note>>(20)
 
-    fun cachedModificationEventsForNote(note: Note): List<Note>? {
+    fun cachedModificationEventsForNote(note: Note): List<Note>? = modificationCache[note.idHex]
-        return modificationCache[note.idHex]
-    }
 
     suspend fun findLatestModificationForNote(note: Note): List<Note> {
         checkNotInMainThread()
@@ -2082,7 +2075,8 @@ object LocalCache {
         val time = TimeUtils.now()
 
         val newNotes =
-            notes.filter { _, item ->
+            notes
+                .filter { _, item ->
                     val noteEvent = item.event
 
                     noteEvent is TextNoteModificationEvent && noteEvent.pubKey == originalAuthor && noteEvent.isTaggedEvent(note.idHex) && !noteEvent.isExpirationBefore(time)
@@ -2210,9 +2204,11 @@ object LocalCache {
                         note.event is GenericRepostEvent
                 ) &&
                     note.replyTo?.any { it.liveSet?.isInUse() == true } != true &&
-                    note.liveSet?.isInUse() != true && // don't delete if observing.
+                    note.liveSet?.isInUse() != true &&
+                    // don't delete if observing.
                     note.author?.pubkeyHex !in
-                    accounts && // don't delete if it is the logged in account
+                    accounts &&
+                    // don't delete if it is the logged in account
                     note.event?.isTaggedUsers(accounts) !=
                     true // don't delete if it's a notification to the logged in user
             }
@@ -2308,8 +2304,7 @@ object LocalCache {
                 ?.hiddenUsers
                 ?.map { userHex ->
                     (notes.filter { _, it -> it.event?.pubKey() == userHex } + addressables.filter { _, it -> it.event?.pubKey() == userHex }).toSet()
-                }
+                }?.flatten()
-                ?.flatten()
                 ?: emptyList()
 
         toBeRemoved.forEach {
@@ -2596,8 +2591,8 @@ object LocalCache {
         }
     }
 
-    fun hasConsumed(notificationEvent: Event): Boolean {
+    fun hasConsumed(notificationEvent: Event): Boolean =
-        return if (notificationEvent is AddressableEvent) {
+        if (notificationEvent is AddressableEvent) {
             val note = addressables.get(notificationEvent.addressTag())
             val noteEvent = note?.event
             noteEvent != null && notificationEvent.createdAt <= noteEvent.createdAt()
@@ -2606,7 +2601,6 @@ object LocalCache {
             note?.event != null
         }
 }
-}
 
 @Stable
 class LocalCacheLiveData {
@@ -2617,8 +2611,7 @@ class LocalCacheLiveData {
     private val bundler = BundledInsert<Note>(1000, Dispatchers.IO)
 
     fun invalidateData(newNote: Note) {
-        bundler.invalidateList(newNote) {
+        bundler.invalidateList(newNote) { bundledNewNotes ->
-                bundledNewNotes ->
             _newEventBundles.emit(bundledNewNotes)
         }
     }

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

@@ -34,7 +34,9 @@ import com.vitorpamplona.amethyst.ui.note.toShortenHex
 import com.vitorpamplona.quartz.encoders.Hex
 import com.vitorpamplona.quartz.encoders.HexKey
 import com.vitorpamplona.quartz.encoders.Lud06
+import com.vitorpamplona.quartz.encoders.Nip19Bech32
 import com.vitorpamplona.quartz.encoders.toNpub
+import com.vitorpamplona.quartz.events.AdvertisedRelayListEvent
 import com.vitorpamplona.quartz.events.BookmarkListEvent
 import com.vitorpamplona.quartz.events.ChatroomKey
 import com.vitorpamplona.quartz.events.ContactListEvent
@@ -49,10 +51,13 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import java.math.BigDecimal
 
 @Stable
-class User(val pubkeyHex: String) {
+class User(
+    val pubkeyHex: String,
+) {
     var info: UserMetadata? = null
 
     var latestMetadata: MetadataEvent? = null
+    var latestMetadataRelay: String? = null
     var latestContactList: ContactListEvent? = null
     var latestBookmarkList: BookmarkListEvent? = null
 
@@ -76,7 +81,16 @@ class User(val pubkeyHex: String) {
 
     fun pubkeyDisplayHex() = pubkeyNpub().toShortenHex()
 
-    fun toNostrUri() = "nostr:${pubkeyNpub()}"
+    fun toNProfile(): String {
+        val relayList = (LocalCache.getAddressableNoteIfExists(AdvertisedRelayListEvent.createAddressTag(pubkeyHex))?.event as? AdvertisedRelayListEvent)?.writeRelays()
+
+        return Nip19Bech32.createNProfile(
+            pubkeyHex,
+            relayList?.take(3) ?: listOfNotNull(latestMetadataRelay),
+        )
+    }
+
+    fun toNostrUri() = "nostr:${toNProfile()}"
 
     override fun toString(): String = pubkeyHex
 
@@ -96,17 +110,11 @@ class User(val pubkeyHex: String) {
         return firstName
     }
 
-    fun toBestDisplayName(): String {
+    fun toBestDisplayName(): String = info?.bestName() ?: pubkeyDisplayHex()
-        return info?.bestName() ?: pubkeyDisplayHex()
-    }
 
-    fun nip05(): String? {
+    fun nip05(): String? = info?.nip05
-        return info?.nip05
-    }
 
-    fun profilePicture(): String? {
+    fun profilePicture(): String? = info?.picture
-        return info?.picture
-    }
 
     fun updateBookmark(event: BookmarkListEvent) {
         if (event.id == latestBookmarkList?.id) return
@@ -132,10 +140,18 @@ class User(val pubkeyHex: String) {
         // Update Followers of the past user list
         // Update Followers of the new contact list
         (oldContactListEvent)?.unverifiedFollowKeySet()?.forEach {
-            LocalCache.getUserIfExists(it)?.liveSet?.innerFollowers?.invalidateData()
+            LocalCache
+                .getUserIfExists(it)
+                ?.liveSet
+                ?.innerFollowers
+                ?.invalidateData()
         }
         (latestContactList)?.unverifiedFollowKeySet()?.forEach {
-            LocalCache.getUserIfExists(it)?.liveSet?.innerFollowers?.invalidateData()
+            LocalCache
+                .getUserIfExists(it)
+                ?.liveSet
+                ?.innerFollowers
+                ?.invalidateData()
         }
 
         liveSet?.innerRelays?.invalidateData()
@@ -198,25 +214,19 @@ class User(val pubkeyHex: String) {
         return amount
     }
 
-    fun reportsBy(user: User): Set<Note> {
+    fun reportsBy(user: User): Set<Note> = reports[user] ?: emptySet()
-        return reports[user] ?: emptySet()
-    }
 
-    fun countReportAuthorsBy(users: Set<HexKey>): Int {
+    fun countReportAuthorsBy(users: Set<HexKey>): Int = reports.count { it.key.pubkeyHex in users }
-        return reports.count { it.key.pubkeyHex in users }
-    }
 
-    fun reportsBy(users: Set<HexKey>): List<Note> {
+    fun reportsBy(users: Set<HexKey>): List<Note> =
-        return reports
+        reports
             .mapNotNull {
                 if (it.key.pubkeyHex in users) {
                     it.value
                 } else {
                     null
                 }
-            }
+            }.flatten()
-            .flatten()
-    }
 
     @Synchronized
     private fun getOrCreatePrivateChatroomSync(key: ChatroomKey): Chatroom {
@@ -235,9 +245,7 @@ class User(val pubkeyHex: String) {
         return getOrCreatePrivateChatroom(key)
     }
 
-    private fun getOrCreatePrivateChatroom(key: ChatroomKey): Chatroom {
+    private fun getOrCreatePrivateChatroom(key: ChatroomKey): Chatroom = privateChatrooms[key] ?: getOrCreatePrivateChatroomSync(key)
-        return privateChatrooms[key] ?: getOrCreatePrivateChatroomSync(key)
-    }
 
     fun addMessage(
         room: ChatroomKey,
@@ -326,13 +334,9 @@ class User(val pubkeyHex: String) {
         liveSet?.innerMetadata?.invalidateData()
     }
 
-    fun isFollowing(user: User): Boolean {
+    fun isFollowing(user: User): Boolean = latestContactList?.isTaggedUser(user.pubkeyHex) ?: false
-        return latestContactList?.isTaggedUser(user.pubkeyHex) ?: false
-    }
 
-    fun isFollowingHashtag(tag: String): Boolean {
+    fun isFollowingHashtag(tag: String): Boolean = latestContactList?.isTaggedHash(tag) ?: false
-        return latestContactList?.isTaggedHash(tag) ?: false
-    }
 
     fun isFollowingHashtagCached(tag: String): Boolean {
         return latestContactList?.verifiedFollowTagSet?.let {
@@ -362,37 +366,21 @@ class User(val pubkeyHex: String) {
             ?: false
     }
 
-    fun transientFollowCount(): Int? {
+    fun transientFollowCount(): Int? = latestContactList?.unverifiedFollowKeySet()?.size
-        return latestContactList?.unverifiedFollowKeySet()?.size
-    }
 
-    suspend fun transientFollowerCount(): Int {
+    suspend fun transientFollowerCount(): Int = LocalCache.users.count { _, it -> it.latestContactList?.isTaggedUser(pubkeyHex) ?: false }
-        return LocalCache.users.count { _, it -> it.latestContactList?.isTaggedUser(pubkeyHex) ?: false }
-    }
 
-    fun cachedFollowingKeySet(): Set<HexKey> {
+    fun cachedFollowingKeySet(): Set<HexKey> = latestContactList?.verifiedFollowKeySet ?: emptySet()
-        return latestContactList?.verifiedFollowKeySet ?: emptySet()
-    }
 
-    fun cachedFollowingTagSet(): Set<String> {
+    fun cachedFollowingTagSet(): Set<String> = latestContactList?.verifiedFollowTagSet ?: emptySet()
-        return latestContactList?.verifiedFollowTagSet ?: emptySet()
-    }
 
-    fun cachedFollowingGeohashSet(): Set<HexKey> {
+    fun cachedFollowingGeohashSet(): Set<HexKey> = latestContactList?.verifiedFollowGeohashSet ?: emptySet()
-        return latestContactList?.verifiedFollowGeohashSet ?: emptySet()
-    }
 
-    fun cachedFollowingCommunitiesSet(): Set<HexKey> {
+    fun cachedFollowingCommunitiesSet(): Set<HexKey> = latestContactList?.verifiedFollowCommunitySet ?: emptySet()
-        return latestContactList?.verifiedFollowCommunitySet ?: emptySet()
-    }
 
-    fun cachedFollowCount(): Int? {
+    fun cachedFollowCount(): Int? = latestContactList?.verifiedFollowKeySet?.size
-        return latestContactList?.verifiedFollowKeySet?.size
-    }
 
-    suspend fun cachedFollowerCount(): Int {
+    suspend fun cachedFollowerCount(): Int = LocalCache.users.count { _, it -> it.latestContactList?.isTaggedUser(pubkeyHex) ?: false }
-        return LocalCache.users.count { _, it -> it.latestContactList?.isTaggedUser(pubkeyHex) ?: false }
-    }
 
     fun hasSentMessagesTo(key: ChatroomKey?): Boolean {
         val messagesToUser = privateChatrooms[key] ?: return false
@@ -403,16 +391,13 @@ class User(val pubkeyHex: String) {
     fun hasReport(
         loggedIn: User,
         type: ReportEvent.ReportType,
-    ): Boolean {
+    ): Boolean =
-        return reports[loggedIn]?.firstOrNull {
+        reports[loggedIn]?.firstOrNull {
             it.event is ReportEvent &&
                 (it.event as ReportEvent).reportedAuthor().any { it.reportType == type }
         } != null
-    }
 
-    fun anyNameStartsWith(username: String): Boolean {
+    fun anyNameStartsWith(username: String): Boolean = info?.anyNameStartsWith(username) ?: false
-        return info?.anyNameStartsWith(username) ?: false
-    }
 
     var liveSet: UserLiveSet? = null
     var flowSet: UserFlowSet? = null
@@ -473,14 +458,14 @@ class User(val pubkeyHex: String) {
 }
 
 @Stable
-class UserFlowSet(u: User) {
+class UserFlowSet(
+    u: User,
+) {
     // Observers line up here.
     val follows = UserBundledRefresherFlow(u)
     val relays = UserBundledRefresherFlow(u)
 
-    fun isInUse(): Boolean {
+    fun isInUse(): Boolean = relays.stateFlow.subscriptionCount.value > 0 || follows.stateFlow.subscriptionCount.value > 0
-        return relays.stateFlow.subscriptionCount.value > 0 || follows.stateFlow.subscriptionCount.value > 0
-    }
 
     fun destroy() {
         relays.destroy()
@@ -489,7 +474,9 @@ class UserFlowSet(u: User) {
 }
 
 @Stable
-class UserLiveSet(u: User) {
+class UserLiveSet(
+    u: User,
+) {
     val innerMetadata = UserBundledRefresherLiveData(u)
 
     // UI Observers line up here.
@@ -521,8 +508,8 @@ class UserLiveSet(u: User) {
 
     val userMetadataInfo = innerMetadata.map { it.user.info }.distinctUntilChanged()
 
-    fun isInUse(): Boolean {
+    fun isInUse(): Boolean =
-        return metadata.hasObservers() ||
+        metadata.hasObservers() ||
             follows.hasObservers() ||
             followers.hasObservers() ||
             reports.hasObservers() ||
@@ -535,7 +522,6 @@ class UserLiveSet(u: User) {
             profilePictureChanges.hasObservers() ||
             nip05Changes.hasObservers() ||
             userMetadataInfo.hasObservers()
-    }
 
     fun destroy() {
         innerMetadata.destroy()
@@ -558,7 +544,9 @@ data class RelayInfo(
     var counter: Long,
 )
 
-class UserBundledRefresherLiveData(val user: User) : LiveData<UserState>(UserState(user)) {
+class UserBundledRefresherLiveData(
+    val user: User,
+) : LiveData<UserState>(UserState(user)) {
     // Refreshes observers in batches.
     private val bundler = BundledUpdate(500, Dispatchers.IO)
 
@@ -585,7 +573,9 @@ class UserBundledRefresherLiveData(val user: User) : LiveData<UserState>(UserSta
 }
 
 @Stable
-class UserBundledRefresherFlow(val user: User) {
+class UserBundledRefresherFlow(
+    val user: User,
+) {
     // Refreshes observers in batches.
     private val bundler = BundledUpdate(500, Dispatchers.IO)
     val stateFlow = MutableStateFlow(UserState(user))
@@ -605,7 +595,10 @@ class UserBundledRefresherFlow(val user: User) {
     }
 }
 
-class UserLoadingLiveData<Y>(val user: User, initialValue: Y?) : MediatorLiveData<Y>(initialValue) {
+class UserLoadingLiveData<Y>(
+    val user: User,
+    initialValue: Y?,
+) : MediatorLiveData<Y>(initialValue) {
     override fun onActive() {
         super.onActive()
         NostrSingleUserDataSource.add(user)
@@ -617,4 +610,6 @@ class UserLoadingLiveData<Y>(val user: User, initialValue: Y?) : MediatorLiveDat
     }
 }
 
-@Immutable class UserState(val user: User)
+@Immutable class UserState(
+    val user: User,
+)

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

@@ -100,10 +100,10 @@ class NewMessageTagger(
                             val results = parseDirtyWordForKey(word)
                             when (val entity = results?.key?.entity) {
                                 is Nip19Bech32.NPub -> {
-                                    getNostrAddress(dao.getOrCreateUser(entity.hex).pubkeyNpub(), results.restOfWord)
+                                    getNostrAddress(dao.getOrCreateUser(entity.hex).toNProfile(), results.restOfWord)
                                 }
                                 is Nip19Bech32.NProfile -> {
-                                    getNostrAddress(dao.getOrCreateUser(entity.hex).pubkeyNpub(), results.restOfWord)
+                                    getNostrAddress(dao.getOrCreateUser(entity.hex).toNProfile(), results.restOfWord)
                                 }
 
                                 is Nip19Bech32.Note -> {
@@ -138,17 +138,15 @@ class NewMessageTagger(
                                     word
                                 }
                             }
-                        }
+                        }.joinToString(" ")
-                        .joinToString(" ")
+                }.joinToString("\n")
-                }
-                .joinToString("\n")
     }
 
     fun getNostrAddress(
         bechAddress: String,
         restOfTheWord: String?,
-    ): String {
+    ): String =
-        return if (restOfTheWord.isNullOrEmpty()) {
+        if (restOfTheWord.isNullOrEmpty()) {
             "nostr:$bechAddress"
         } else {
             if (Bech32.ALPHABET.contains(restOfTheWord.get(0), true)) {
@@ -157,9 +155,11 @@ class NewMessageTagger(
                 "nostr:${bechAddress}$restOfTheWord"
             }
         }
-    }
 
-    @Immutable data class DirtyKeyInfo(val key: Nip19Bech32.ParseReturn, val restOfWord: String?)
+    @Immutable data class DirtyKeyInfo(
+        val key: Nip19Bech32.ParseReturn,
+        val restOfWord: String?,
+    )
 
     fun parseDirtyWordForKey(mightBeAKey: String): DirtyKeyInfo? {
         var key = mightBeAKey

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

@@ -168,8 +168,7 @@ fun DrawerContent(
             BottomContent(
                 accountViewModel.account.userProfile(),
                 drawerState,
-                loadProfilePicture = accountViewModel.settings.showProfilePictures.value,
+                accountViewModel,
-                loadRobohash = accountViewModel.settings.featureSet != FeatureSetType.PERFORMANCE,
                 nav,
             )
         }
@@ -741,8 +740,7 @@ fun IconRowRelays(
 fun BottomContent(
     user: User,
     drawerState: DrawerState,
-    loadProfilePicture: Boolean,
+    accountViewModel: AccountViewModel,
-    loadRobohash: Boolean,
     nav: (String) -> Unit,
 ) {
     val coroutineScope = rememberCoroutineScope()
@@ -800,8 +798,7 @@ fun BottomContent(
     if (dialogOpen) {
         ShowQRDialog(
             user,
-            loadProfilePicture = loadProfilePicture,
+            accountViewModel,
-            loadRobohash = loadRobohash,
             onScan = {
                 dialogOpen = false
                 coroutineScope.launch { drawerState.close() }

app/src/main/java/com/vitorpamplona/amethyst/ui/note/NIP05VerificationDisplay.kt

@@ -310,7 +310,7 @@ fun DisplayStatus(
 }
 
 @Composable
-private fun DisplayNIP05(
+fun DisplayNIP05(
     nip05: String,
     nip05Verified: MutableState<Boolean?>,
     accountViewModel: AccountViewModel,

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

@@ -84,6 +84,7 @@ import androidx.core.graphics.ColorUtils
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.AddressableNote
 import com.vitorpamplona.amethyst.model.Note
+import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.ui.actions.NewPostView
 import com.vitorpamplona.amethyst.ui.components.SelectTextDialog
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
@@ -95,7 +96,6 @@ import com.vitorpamplona.amethyst.ui.theme.secondaryButtonBackground
 import com.vitorpamplona.quartz.events.AudioTrackEvent
 import com.vitorpamplona.quartz.events.FileHeaderEvent
 import com.vitorpamplona.quartz.events.PeopleListEvent
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
 private fun lightenColor(
@@ -110,6 +110,10 @@ private fun lightenColor(
     return Color(argb)
 }
 
+val externalLinkForUser = { user: User ->
+    "https://njump.me/${user.toNProfile()}"
+}
+
 val externalLinkForNote = { note: Note ->
     if (note is AddressableNote) {
         if (note.event?.getReward() != null) {
@@ -298,19 +302,21 @@ private fun RenderMainPopup(
                         Icons.Default.AlternateEmail,
                         stringRes(R.string.quick_action_copy_user_id),
                     ) {
-                        scope.launch(Dispatchers.IO) {
+                        note.author?.let {
-                            clipboardManager.setText(AnnotatedString("nostr:${note.author?.pubkeyNpub()}"))
+                            scope.launch {
+                                clipboardManager.setText(AnnotatedString(it.toNostrUri()))
                                 showToast(R.string.copied_user_id_to_clipboard)
                                 onDismiss()
                             }
                         }
+                    }
                     VerticalDivider(color = primaryLight)
                     NoteQuickActionItem(
                         Icons.Default.FormatQuote,
                         stringRes(R.string.quick_action_copy_note_id),
                     ) {
-                        scope.launch(Dispatchers.IO) {
+                        scope.launch {
-                            clipboardManager.setText(AnnotatedString("nostr:${note.toNEvent()}"))
+                            clipboardManager.setText(AnnotatedString(note.toNostrUri()))
                             showToast(R.string.copied_note_id_to_clipboard)
                             onDismiss()
                         }

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

@@ -197,17 +197,19 @@ fun NoteDropDownMenu(
         DropdownMenuItem(
             text = { Text(stringRes(R.string.copy_user_pubkey)) },
             onClick = {
+                note.author?.let {
                     scope.launch(Dispatchers.IO) {
-                    clipboardManager.setText(AnnotatedString("nostr:${note.author?.pubkeyNpub()}"))
+                        clipboardManager.setText(AnnotatedString("nostr:${it.pubkeyNpub()}"))
                         onDismiss()
                     }
+                }
             },
         )
         DropdownMenuItem(
             text = { Text(stringRes(R.string.copy_note_id)) },
             onClick = {
                 scope.launch(Dispatchers.IO) {
-                    clipboardManager.setText(AnnotatedString("nostr:" + note.toNEvent()))
+                    clipboardManager.setText(AnnotatedString(note.toNostrUri()))
                     onDismiss()
                 }
             },

app/src/main/java/com/vitorpamplona/amethyst/ui/qrcode/ShowQRDialog.kt

@@ -45,16 +45,22 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
 import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.model.FeatureSetType
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.ui.actions.CloseButton
 import com.vitorpamplona.amethyst.ui.components.CreateTextWithEmoji
+import com.vitorpamplona.amethyst.ui.components.DisplayNIP05
 import com.vitorpamplona.amethyst.ui.components.RobohashFallbackAsyncImage
+import com.vitorpamplona.amethyst.ui.components.mockAccountViewModel
+import com.vitorpamplona.amethyst.ui.components.nip05VerificationAsAState
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.stringRes
 import com.vitorpamplona.amethyst.ui.theme.Size35dp
 import com.vitorpamplona.quartz.events.UserMetadata
@@ -62,21 +68,20 @@ import com.vitorpamplona.quartz.events.UserMetadata
 @Preview
 @Composable
 fun ShowQRDialogPreview() {
-    val user = User("460c25e682fda7832b52d1f22d3d22b3176d972f60dcdc3212ed8c92ef85065c")
+    val accountViewModel = mockAccountViewModel()
-
+    accountViewModel.userProfile().info =
-    user.info =
         UserMetadata().apply {
             name = "My Name"
             picture = "Picture"
+            nip05 = null
             banner = "http://banner.com/test"
             website = "http://mywebsite.com/test"
             about = "This is the about me"
         }
 
     ShowQRDialog(
-        user = user,
+        user = accountViewModel.userProfile(),
-        loadProfilePicture = false,
+        accountViewModel = accountViewModel,
-        loadRobohash = false,
         onScan = {},
         onClose = {},
     )
@@ -85,8 +90,7 @@ fun ShowQRDialogPreview() {
 @Composable
 fun ShowQRDialog(
     user: User,
-    loadProfilePicture: Boolean,
+    accountViewModel: AccountViewModel,
-    loadRobohash: Boolean,
     onScan: (String) -> Unit,
     onClose: () -> Unit,
 ) {
@@ -126,8 +130,8 @@ fun ShowQRDialog(
                                             .height(100.dp)
                                             .clip(shape = CircleShape)
                                             .border(3.dp, MaterialTheme.colorScheme.background, CircleShape),
-                                    loadProfilePicture = loadProfilePicture,
+                                    loadProfilePicture = accountViewModel.settings.showProfilePictures.value,
-                                    loadRobohash = loadRobohash,
+                                    loadRobohash = accountViewModel.settings.featureSet != FeatureSetType.PERFORMANCE,
                                 )
                             }
                             Row(
@@ -141,13 +145,34 @@ fun ShowQRDialog(
                                     fontSize = 18.sp,
                                 )
                             }
+
+                            Row(
+                                verticalAlignment = Alignment.CenterVertically,
+                                horizontalArrangement = Arrangement.Center,
+                                modifier = Modifier.fillMaxWidth().padding(top = 4.dp),
+                            ) {
+                                val nip05 = user.nip05()
+                                if (nip05 != null) {
+                                    val nip05Verified =
+                                        nip05VerificationAsAState(user.info!!, user.pubkeyHex, accountViewModel)
+
+                                    DisplayNIP05(nip05, nip05Verified, accountViewModel)
+                                } else {
+                                    Text(
+                                        text = user.pubkeyDisplayHex(),
+                                        fontSize = 14.sp,
+                                        maxLines = 1,
+                                        overflow = TextOverflow.Ellipsis,
+                                    )
+                                }
+                            }
                         }
 
                         Row(
                             horizontalArrangement = Arrangement.Center,
                             modifier = Modifier.fillMaxWidth().padding(horizontal = Size35dp),
                         ) {
-                            QrCodeDrawer("nostr:${user.pubkeyNpub()}")
+                            QrCodeDrawer(user.toNostrUri())
                         }
 
                         Row(modifier = Modifier.padding(horizontal = 30.dp)) {

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

@@ -20,6 +20,7 @@
  */
 package com.vitorpamplona.amethyst.ui.screen.loggedIn
 
+import android.content.Intent
 import androidx.compose.animation.core.tween
 import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.Image
@@ -103,6 +104,7 @@ import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.IntSize
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import androidx.core.content.ContextCompat
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleEventObserver
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
@@ -136,6 +138,7 @@ import com.vitorpamplona.amethyst.ui.note.DrawPlayName
 import com.vitorpamplona.amethyst.ui.note.ErrorMessageDialog
 import com.vitorpamplona.amethyst.ui.note.LightningAddressIcon
 import com.vitorpamplona.amethyst.ui.note.LoadAddressableNote
+import com.vitorpamplona.amethyst.ui.note.externalLinkForUser
 import com.vitorpamplona.amethyst.ui.note.payViaIntent
 import com.vitorpamplona.amethyst.ui.qrcode.ShowQRDialog
 import com.vitorpamplona.amethyst.ui.screen.FeedState
@@ -996,9 +999,8 @@ private fun DrawAdditionalInfo(
 
         if (dialogOpen) {
             ShowQRDialog(
-                user,
+                user = user,
-                accountViewModel.settings.showProfilePictures.value,
+                accountViewModel = accountViewModel,
-                loadRobohash = accountViewModel.settings.featureSet != FeatureSetType.PERFORMANCE,
                 onScan = {
                     dialogOpen = false
                     nav(it)
@@ -1870,6 +1872,32 @@ fun UserProfileDropDownMenu(
             },
         )
 
+        val actContext = LocalContext.current
+
+        DropdownMenuItem(
+            text = { Text(stringRes(R.string.quick_action_share)) },
+            onClick = {
+                val sendIntent =
+                    Intent().apply {
+                        action = Intent.ACTION_SEND
+                        type = "text/plain"
+                        putExtra(
+                            Intent.EXTRA_TEXT,
+                            externalLinkForUser(user),
+                        )
+                        putExtra(
+                            Intent.EXTRA_TITLE,
+                            stringRes(actContext, R.string.quick_action_share_browser_link),
+                        )
+                    }
+
+                val shareIntent =
+                    Intent.createChooser(sendIntent, stringRes(actContext, R.string.quick_action_share))
+                ContextCompat.startActivity(actContext, shareIntent, null)
+                onDismiss()
+            },
+        )
+
         if (accountViewModel.userProfile() != user) {
             HorizontalDivider(thickness = DividerThickness)
             if (accountViewModel.account.isHidden(user)) {

quartz/src/main/java/com/vitorpamplona/quartz/encoders/Nip19Bech32.kt

@@ -39,7 +39,9 @@ object Nip19Bech32 {
         ADDRESS,
     }
 
-    enum class TlvTypes(val id: Byte) {
+    enum class TlvTypes(
+        val id: Byte,
+    ) {
         SPECIAL(0),
         RELAY(1),
         AUTHOR(2),
@@ -53,33 +55,59 @@ object Nip19Bech32 {
         )
 
     @Immutable
-    data class ParseReturn(val entity: Entity, val additionalChars: String? = null)
+    data class ParseReturn(
+        val entity: Entity,
+        val additionalChars: String? = null,
+    )
 
     interface Entity
 
     @Immutable
-    data class NSec(val hex: String) : Entity
+    data class NSec(
+        val hex: String,
+    ) : Entity
 
     @Immutable
-    data class NPub(val hex: String) : Entity
+    data class NPub(
+        val hex: String,
+    ) : Entity
 
     @Immutable
-    data class Note(val hex: String) : Entity
+    data class Note(
+        val hex: String,
+    ) : Entity
 
     @Immutable
-    data class NProfile(val hex: String, val relay: List<String>) : Entity
+    data class NProfile(
+        val hex: String,
+        val relay: List<String>,
+    ) : Entity
 
     @Immutable
-    data class NEvent(val hex: String, val relay: List<String>, val author: String?, val kind: Int?) : Entity
+    data class NEvent(
+        val hex: String,
+        val relay: List<String>,
+        val author: String?,
+        val kind: Int?,
+    ) : Entity
 
     @Immutable
-    data class NAddress(val atag: String, val relay: List<String>, val author: String, val kind: Int) : Entity
+    data class NAddress(
+        val atag: String,
+        val relay: List<String>,
+        val author: String,
+        val kind: Int,
+    ) : Entity
 
     @Immutable
-    data class NRelay(val relay: List<String>) : Entity
+    data class NRelay(
+        val relay: List<String>,
+    ) : Entity
 
     @Immutable
-    data class NEmbed(val event: Event) : Entity
+    data class NEmbed(
+        val event: Event,
+    ) : Entity
 
     fun uriToRoute(uri: String?): ParseReturn? {
         if (uri == null) return null
@@ -108,8 +136,8 @@ object Nip19Bech32 {
         type: String,
         key: String?,
         additionalChars: String?,
-    ): ParseReturn? {
+    ): ParseReturn? =
-        return try {
+        try {
             val bytes = (type + key).bechToBytes()
 
             when (type.lowercase()) {
@@ -129,7 +157,6 @@ object Nip19Bech32 {
             Log.w("NIP19 Parser", "Issue trying to Decode NIP19 $key: ${e.message}", e)
             null
         }
-    }
 
     private fun nembed(bytes: ByteArray): NEmbed? {
         if (bytes.isEmpty()) return null
@@ -205,21 +232,30 @@ object Nip19Bech32 {
         author: String?,
         kind: Int?,
         relay: String?,
-    ): String {
+    ): String =
-        return TlvBuilder()
+        TlvBuilder()
             .apply {
                 addHex(TlvTypes.SPECIAL, idHex)
                 addStringIfNotNull(TlvTypes.RELAY, relay)
                 addHexIfNotNull(TlvTypes.AUTHOR, author)
                 addIntIfNotNull(TlvTypes.KIND, kind)
-            }
+            }.build()
-            .build()
             .toNEvent()
-    }
 
-    fun createNEmbed(event: Event): String {
+    fun createNProfile(
-        return gzip(event.toJson()).toNEmbed()
+        authorPubKeyHex: String,
+        relay: List<String>,
+    ): String =
+        TlvBuilder()
+            .apply {
+                addHex(TlvTypes.SPECIAL, authorPubKeyHex)
+                relay.forEach {
+                    addStringIfNotNull(TlvTypes.RELAY, it)
                 }
+            }.build()
+            .toNProfile()
+
+    fun createNEmbed(event: Event): String = gzip(event.toJson()).toNEmbed()
 
     fun gzip(content: String): ByteArray {
         val bos = ByteArrayOutputStream()
@@ -239,23 +275,24 @@ fun ByteArray.toNote() = Bech32.encodeBytes(hrp = "note", this, Bech32.Encoding.
 
 fun ByteArray.toNEvent() = Bech32.encodeBytes(hrp = "nevent", this, Bech32.Encoding.Bech32)
 
+fun ByteArray.toNProfile() = Bech32.encodeBytes(hrp = "nprofile", this, Bech32.Encoding.Bech32)
+
 fun ByteArray.toNAddress() = Bech32.encodeBytes(hrp = "naddr", this, Bech32.Encoding.Bech32)
 
 fun ByteArray.toLnUrl() = Bech32.encodeBytes(hrp = "lnurl", this, Bech32.Encoding.Bech32)
 
 fun ByteArray.toNEmbed() = Bech32.encodeBytes(hrp = "nembed", this, Bech32.Encoding.Bech32)
 
-fun decodePublicKey(key: String): ByteArray {
+fun decodePublicKey(key: String): ByteArray =
-    return when (val parsed = Nip19Bech32.uriToRoute(key)?.entity) {
+    when (val parsed = Nip19Bech32.uriToRoute(key)?.entity) {
         is Nip19Bech32.NSec -> KeyPair(privKey = key.bechToBytes()).pubKey
         is Nip19Bech32.NPub -> parsed.hex.hexToByteArray()
         is Nip19Bech32.NProfile -> parsed.hex.hexToByteArray()
         else -> Hex.decode(key) // crashes on purpose
     }
-}
 
-fun decodePrivateKeyAsHexOrNull(key: String): HexKey? {
+fun decodePrivateKeyAsHexOrNull(key: String): HexKey? =
-    return try {
+    try {
         when (val parsed = Nip19Bech32.uriToRoute(key)?.entity) {
             is Nip19Bech32.NSec -> parsed.hex
             is Nip19Bech32.NPub -> null
@@ -271,10 +308,9 @@ fun decodePrivateKeyAsHexOrNull(key: String): HexKey? {
         if (e is CancellationException) throw e
         null
     }
-}
 
-fun decodePublicKeyAsHexOrNull(key: String): HexKey? {
+fun decodePublicKeyAsHexOrNull(key: String): HexKey? =
-    return try {
+    try {
         when (val parsed = Nip19Bech32.uriToRoute(key)?.entity) {
             is Nip19Bech32.NSec -> KeyPair(privKey = key.bechToBytes()).pubKey.toHexKey()
             is Nip19Bech32.NPub -> parsed.hex
@@ -290,10 +326,9 @@ fun decodePublicKeyAsHexOrNull(key: String): HexKey? {
         if (e is CancellationException) throw e
         null
     }
-}
 
-fun decodeEventIdAsHexOrNull(key: String): HexKey? {
+fun decodeEventIdAsHexOrNull(key: String): HexKey? =
-    return try {
+    try {
         when (val parsed = Nip19Bech32.uriToRoute(key)?.entity) {
             is Nip19Bech32.NSec -> null
             is Nip19Bech32.NPub -> null
@@ -309,7 +344,6 @@ fun decodeEventIdAsHexOrNull(key: String): HexKey? {
         if (e is CancellationException) throw e
         null
     }
-}
 
 fun TlvBuilder.addString(
     type: Nip19Bech32.TlvTypes,