Migrates LocalCache from being based on ATags to Addresses, removing the need to use memory space to store relay hints

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

@@ -85,8 +85,10 @@ import com.vitorpamplona.quartz.nip01Core.metadata.MetadataEvent
 import com.vitorpamplona.quartz.nip01Core.signers.EventTemplate
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSignerInternal
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.isTaggedAddressableNote
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.taggedATags
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.taggedAddresses
+import com.vitorpamplona.quartz.nip01Core.tags.events.isTaggedEvent
 import com.vitorpamplona.quartz.nip01Core.tags.events.taggedEventIds
 import com.vitorpamplona.quartz.nip01Core.tags.geohash.geohash
 import com.vitorpamplona.quartz.nip01Core.tags.geohash.geohashes
@@ -1001,7 +1003,7 @@ class Account(
                     hashtags = (listEvent.hashtags() + listEvent.filterHashtags(privateTagList)).toSet(),
                     geotags = (listEvent.geohashes() + listEvent.filterGeohashes(privateTagList)).toSet(),
                     addresses =
-                        (listEvent.taggedAddresses() + listEvent.filterAddresses(privateTagList))
+                        (listEvent.taggedATags() + listEvent.filterATags(privateTagList))
                             .map { it.toTag() }
                             .toSet(),
                 ),
@@ -1124,7 +1126,9 @@ class Account(
 
     fun getEmojiPackSelectionFlow(): StateFlow<NoteState> = getEmojiPackSelectionNote().flow().metadata.stateFlow
 
-    fun getEmojiPackSelectionNote(): AddressableNote = LocalCache.getOrCreateAddressableNote(EmojiPackSelectionEvent.createAddressATag(userProfile().pubkeyHex))
+    fun getEmojiPackSelectionAddress() = EmojiPackSelectionEvent.createAddress(userProfile().pubkeyHex)
+
+    fun getEmojiPackSelectionNote(): AddressableNote = LocalCache.getOrCreateAddressableNote(getEmojiPackSelectionAddress())
 
     fun convertEmojiSelectionPack(selection: EmojiPackSelectionEvent?): List<StateFlow<NoteState>>? =
         selection?.taggedAddresses()?.map {
@@ -1849,7 +1853,7 @@ class Account(
         val contactList = userProfile().latestContactList
 
         if (contactList != null) {
-            ContactListEvent.followAddressableEvent(contactList, community.address, signer) {
+            ContactListEvent.followAddressableEvent(contactList, community.toATag(), signer) {
                 Amethyst.instance.client.send(it)
                 LocalCache.justConsume(it, null)
             }
@@ -1862,7 +1866,7 @@ class Account(
                 followUsers = emptyList(),
                 followTags = emptyList(),
                 followGeohashes = emptyList(),
-                followCommunities = listOf(community.address),
+                followCommunities = listOf(community.toATag()),
                 followEvents = DefaultChannels.toList(),
                 relayUse = relays,
                 signer = signer,
@@ -2008,7 +2012,7 @@ class Account(
         if (contactList != null && contactList.tags.isNotEmpty()) {
             ContactListEvent.unfollowAddressableEvent(
                 contactList,
-                community.address,
+                community.toATag(),
                 signer,
                 onReady = this::onNewEventCreated,
             )
@@ -2860,7 +2864,7 @@ class Account(
         if (note is AddressableNote) {
             BookmarkListEvent.addReplaceable(
                 userProfile().latestBookmarkList,
-                note.address,
+                note.toATag(),
                 isPrivate,
                 signer,
             ) {
@@ -2891,7 +2895,7 @@ class Account(
         if (note is AddressableNote) {
             BookmarkListEvent.removeReplaceable(
                 bookmarks,
-                note.address,
+                note.toATag(),
                 isPrivate,
                 signer,
             ) {
@@ -2954,7 +2958,7 @@ class Account(
         }
 
         if (note is AddressableNote) {
-            userProfile().latestBookmarkList?.privateTaggedAddresses(signer) {
+            userProfile().latestBookmarkList?.privateAddress(signer) {
                 onReady(it.contains(note.address))
             }
         } else {
@@ -2968,40 +2972,19 @@ class Account(
         if (!isWriteable()) return false
 
         if (note is AddressableNote) {
-            return userProfile().latestBookmarkList?.taggedAddresses()?.contains(note.address) == true
+            return userProfile().latestBookmarkList?.isTaggedAddressableNote(note.idHex) == true
         } else {
-            return userProfile().latestBookmarkList?.taggedEventIds()?.contains(note.idHex) == true
+            return userProfile().latestBookmarkList?.isTaggedEvent(note.idHex) == true
         }
     }
 
-    fun getAppSpecificDataNote(): AddressableNote {
-        val aTag = AppSpecificDataEvent.createTag(userProfile().pubkeyHex, APP_SPECIFIC_DATA_D_TAG)
-        return LocalCache.getOrCreateAddressableNote(aTag)
-    }
+    fun getAppSpecificDataNote() = LocalCache.getOrCreateAddressableNote(AppSpecificDataEvent.createAddress(userProfile().pubkeyHex, APP_SPECIFIC_DATA_D_TAG))
 
     fun getAppSpecificDataFlow(): StateFlow<NoteState> = getAppSpecificDataNote().flow().metadata.stateFlow
 
-    fun getBlockListNote(): AddressableNote {
-        val aTag =
-            ATag(
-                PeopleListEvent.KIND,
-                userProfile().pubkeyHex,
-                PeopleListEvent.BLOCK_LIST_D_TAG,
-                null,
-            )
-        return LocalCache.getOrCreateAddressableNote(aTag)
-    }
+    fun getBlockListNote() = LocalCache.getOrCreateAddressableNote(PeopleListEvent.createBlockAddress(userProfile().pubkeyHex))
 
-    fun getMuteListNote(): AddressableNote {
-        val aTag =
-            ATag(
-                MuteListEvent.KIND,
-                userProfile().pubkeyHex,
-                "",
-                null,
-            )
-        return LocalCache.getOrCreateAddressableNote(aTag)
-    }
+    fun getMuteListNote() = LocalCache.getOrCreateAddressableNote(MuteListEvent.createAddress(userProfile().pubkeyHex))
 
     fun getMuteListFlow(): StateFlow<NoteState> = getMuteListNote().flow().metadata.stateFlow
 
@@ -3345,10 +3328,7 @@ class Account(
         )
     }
 
-    fun getDMRelayListNote(): AddressableNote =
-        LocalCache.getOrCreateAddressableNote(
-            ChatMessageRelayListEvent.createAddressATag(signer.pubKey),
-        )
+    fun getDMRelayListNote(): AddressableNote = LocalCache.getOrCreateAddressableNote(ChatMessageRelayListEvent.createAddress(signer.pubKey))
 
     fun getDMRelayListFlow(): StateFlow<NoteState> = getDMRelayListNote().flow().metadata.stateFlow
 
@@ -3380,7 +3360,7 @@ class Account(
 
     fun getPrivateOutboxRelayListNote(): AddressableNote =
         LocalCache.getOrCreateAddressableNote(
-            PrivateOutboxRelayListEvent.createAddressATag(signer.pubKey),
+            PrivateOutboxRelayListEvent.createAddress(signer.pubKey),
         )
 
     fun getPrivateOutboxRelayListFlow(): StateFlow<NoteState> = getPrivateOutboxRelayListNote().flow().metadata.stateFlow
@@ -3414,7 +3394,7 @@ class Account(
 
     fun getSearchRelayListNote(): AddressableNote =
         LocalCache.getOrCreateAddressableNote(
-            SearchRelayListEvent.createAddressATag(signer.pubKey),
+            SearchRelayListEvent.createAddress(signer.pubKey),
         )
 
     fun getSearchRelayListFlow(): StateFlow<NoteState> = getSearchRelayListNote().flow().metadata.stateFlow
@@ -3448,7 +3428,7 @@ class Account(
 
     fun getNIP65RelayListNote(pubkey: HexKey = signer.pubKey): AddressableNote =
         LocalCache.getOrCreateAddressableNote(
-            AdvertisedRelayListEvent.createAddressATag(pubkey),
+            AdvertisedRelayListEvent.createAddress(pubkey),
         )
 
     fun getNIP65RelayListFlow(pubkey: HexKey = signer.pubKey): StateFlow<NoteState> = getNIP65RelayListNote(pubkey).flow().metadata.stateFlow
@@ -3484,13 +3464,13 @@ class Account(
 
     fun getFileServersListFlow(): StateFlow<NoteState> = getFileServersNote().flow().metadata.stateFlow
 
-    fun getFileServersNote(): AddressableNote = LocalCache.getOrCreateAddressableNote(FileServersEvent.createAddressATag(userProfile().pubkeyHex))
+    fun getFileServersNote(): AddressableNote = LocalCache.getOrCreateAddressableNote(FileServersEvent.createAddress(userProfile().pubkeyHex))
 
     fun getBlossomServersList(): BlossomServersEvent? = getBlossomServersNote().event as? BlossomServersEvent
 
     fun getBlossomServersListFlow(): StateFlow<NoteState> = getBlossomServersNote().flow().metadata.stateFlow
 
-    fun getBlossomServersNote(): AddressableNote = LocalCache.getOrCreateAddressableNote(BlossomServersEvent.createAddressATag(userProfile().pubkeyHex))
+    fun getBlossomServersNote(): AddressableNote = LocalCache.getOrCreateAddressableNote(BlossomServersEvent.createAddress(userProfile().pubkeyHex))
 
     fun host(url: String): String =
         try {

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

@@ -32,6 +32,8 @@ import com.vitorpamplona.ammolite.relays.Relay
 import com.vitorpamplona.ammolite.relays.RelayBriefInfoCache
 import com.vitorpamplona.quartz.nip01Core.HexKey
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
+import com.vitorpamplona.quartz.nip19Bech32.entities.NAddress
 import com.vitorpamplona.quartz.nip19Bech32.toNAddr
 import com.vitorpamplona.quartz.nip19Bech32.toNEvent
 import com.vitorpamplona.quartz.nip28PublicChat.admin.ChannelCreateEvent
@@ -81,11 +83,11 @@ class PublicChatChannel(
 
 @Stable
 class LiveActivitiesChannel(
-    val address: ATag,
-) : Channel(address.toTag()) {
+    val address: Address,
+) : Channel(address.toValue()) {
     var info: LiveActivitiesEvent? = null
 
-    override fun idNote() = address.toNAddr()
+    override fun idNote() = toNAddr()
 
     override fun idDisplayNote() = idNote().toShortenHex()
 
@@ -93,6 +95,8 @@ class LiveActivitiesChannel(
 
     override fun relays() = info?.allRelayUrls() ?: super.relays()
 
+    fun relayHintUrl() = relays().firstOrNull()
+
     fun updateChannelInfo(
         creator: User,
         channelInfo: LiveActivitiesEvent,
@@ -112,6 +116,10 @@ class LiveActivitiesChannel(
         listOfNotNull(info?.title(), info?.summary())
             .filter { it.contains(prefix, true) }
             .isNotEmpty()
+
+    fun toNAddr() = NAddress.create(address.kind, address.pubKeyHex, address.dTag, relayHintUrl())
+
+    fun toATag() = ATag(address, relayHintUrl())
 }
 
 data class Counter(
@@ -167,6 +175,15 @@ abstract class Channel(
         }
     }
 
+    fun addRelay(relay: Relay) {
+        val counter = relays[relay.brief]
+        if (counter != null) {
+            counter.number++
+        } else {
+            addRelaySync(relay.brief)
+        }
+    }
+
     fun addNote(
         note: Note,
         relay: Relay? = null,
@@ -178,12 +195,7 @@ abstract class Channel(
         }
 
         if (relay != null) {
-            val counter = relays[relay.brief]
-            if (counter != null) {
-                counter.number++
-            } else {
-                addRelaySync(relay.brief)
-            }
+            addRelay(relay)
         }
     }
 

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

@@ -55,6 +55,7 @@ import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.core.tagValueContains
 import com.vitorpamplona.quartz.nip01Core.metadata.MetadataEvent
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.mapTaggedAddress
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.taggedAddresses
 import com.vitorpamplona.quartz.nip01Core.tags.events.ETag
@@ -275,6 +276,8 @@ object LocalCache {
 
     fun getAddressableNoteIfExists(key: String): AddressableNote? = addressables.get(key)
 
+    fun getAddressableNoteIfExists(address: Address): AddressableNote? = getAddressableNoteIfExists(address.toValue())
+
     fun getNoteIfExists(key: String): Note? = addressables.get(key) ?: notes.get(key)
 
     fun getNoteIfExists(key: ETag): Note? = notes.get(key.eventId)
@@ -290,7 +293,7 @@ object LocalCache {
 
     fun getOrCreateNote(event: Event): Note =
         if (event is AddressableEvent) {
-            getOrCreateAddressableNote(event.aTag())
+            getOrCreateAddressableNote(event.address())
         } else {
             getOrCreateNote(event.id)
         }
@@ -304,8 +307,6 @@ object LocalCache {
         return null
     }
 
-    fun checkGetOrCreateNote(atag: ATag) = getOrCreateAddressableNote(atag)
-
     fun checkGetOrCreateNote(key: String): Note? {
         checkNotInMainThread()
 
@@ -371,9 +372,10 @@ object LocalCache {
         if (isValidHex(key)) {
             return channels.getOrCreate(key) { PublicChatChannel(key) }
         }
-        val aTag = ATag.parse(key, null)
-        if (aTag != null) {
-            return channels.getOrCreate(aTag.toTag()) { LiveActivitiesChannel(aTag) }
+
+        val address = Address.parse(key)
+        if (address != null) {
+            return channels.getOrCreate(address.toValue()) { LiveActivitiesChannel(address) }
         }
         return null
     }
@@ -387,7 +389,7 @@ object LocalCache {
 
     fun checkGetOrCreateAddressableNote(key: String): AddressableNote? =
         try {
-            val addr = ATag.parse(key, null) // relay doesn't matter for the index.
+            val addr = Address.parse(key)
             if (addr != null) {
                 getOrCreateAddressableNote(addr)
             } else {
@@ -398,17 +400,12 @@ object LocalCache {
             null
         }
 
-    fun getOrCreateAddressableNoteInternal(key: ATag): AddressableNote {
-        // checkNotInMainThread()
-
-        // we can't use naddr here because naddr might include relay info and
-        // the preferred relay should not be part of the index.
-        return addressables.getOrCreate(key.toTag()) {
+    fun getOrCreateAddressableNoteInternal(key: Address): AddressableNote =
+        addressables.getOrCreate(key.toValue()) {
             AddressableNote(key)
         }
-    }
 
-    fun getOrCreateAddressableNote(key: ATag): AddressableNote {
+    fun getOrCreateAddressableNote(key: Address): AddressableNote {
         val note = getOrCreateAddressableNoteInternal(key)
         // Loads the user outside a Syncronized block to avoid blocking
         if (note.author == null) {
@@ -598,7 +595,7 @@ object LocalCache {
         relay: Relay?,
     ) {
         val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.aTag())
+        val note = getOrCreateAddressableNote(event.address())
         val author = getOrCreateUser(event.pubKey)
 
         if (version.event == null) {
@@ -632,7 +629,7 @@ object LocalCache {
         relay: Relay?,
     ) {
         val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.aTag())
+        val note = getOrCreateAddressableNote(event.address())
         val author = getOrCreateUser(event.pubKey)
 
         if (version.event == null) {
@@ -693,7 +690,7 @@ object LocalCache {
                     event.taggedAddresses().map { getOrCreateAddressableNote(it) }
             is CommunityPostApprovalEvent ->
                 event.approvedEvents().mapNotNull { checkGetOrCreateNote(it) } +
-                    event.approvedAddresses().map { checkGetOrCreateNote(it) }
+                    event.approvedAddresses().map { getOrCreateAddressableNote(it) }
             is ReactionEvent ->
                 event.originalPost().mapNotNull { checkGetOrCreateNote(it) } +
                     event.taggedAddresses().map { getOrCreateAddressableNote(it) }
@@ -730,7 +727,7 @@ object LocalCache {
         relay: Relay?,
     ) {
         val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.aTag())
+        val note = getOrCreateAddressableNote(event.address())
         val author = getOrCreateUser(event.pubKey)
 
         if (version.event == null) {
@@ -743,9 +740,11 @@ object LocalCache {
         if (event.createdAt > (note.createdAt() ?: 0)) {
             note.loadEvent(event, author, emptyList())
 
-            val channel =
-                getOrCreateChannel(note.idHex) { LiveActivitiesChannel(note.address) }
-                    as? LiveActivitiesChannel
+            val channel = getOrCreateChannel(note.idHex) { LiveActivitiesChannel(note.address) } as? LiveActivitiesChannel
+
+            if (relay != null) {
+                channel?.addRelay(relay)
+            }
 
             val creator = event.host()?.let { checkGetOrCreateUser(it.pubKey) } ?: author
 
@@ -900,7 +899,7 @@ object LocalCache {
         relay: Relay?,
     ) {
         val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.aTag())
+        val note = getOrCreateAddressableNote(event.address())
         val author = getOrCreateUser(event.pubKey)
 
         if (version.event == null) {
@@ -957,7 +956,7 @@ object LocalCache {
 
     fun consume(event: BadgeProfilesEvent) {
         val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.aTag())
+        val note = getOrCreateAddressableNote(event.address())
         val author = getOrCreateUser(event.pubKey)
 
         if (version.event == null) {
@@ -1029,7 +1028,7 @@ object LocalCache {
         relay: Relay?,
     ) {
         val version = getOrCreateNote(event.id)
-        val note = getOrCreateAddressableNote(event.aTag())
+        val note = getOrCreateAddressableNote(event.address())
         val author = getOrCreateUser(event.pubKey)
 
         val replyTos = computeReplyTo(event)
@@ -1131,7 +1130,7 @@ object LocalCache {
                     }
                 }
 
-            val addressList = event.deleteAddressTags()
+            val addressList = event.deleteAddressIds()
             val addressSet = addressList.toSet()
 
             addressList
@@ -1296,7 +1295,7 @@ object LocalCache {
 
         val author = getOrCreateUser(event.pubKey)
 
-        val communities = event.communities()
+        val communities = event.communityAddresses()
         val eventsApproved = computeReplyTo(event)
 
         val repliesTo = communities.map { getOrCreateAddressableNote(it) }
@@ -1470,9 +1469,9 @@ object LocalCache {
         event: LiveActivitiesChatMessageEvent,
         relay: Relay?,
     ) {
-        val activityId = event.activity() ?: return
+        val activityAddress = event.activityAddress() ?: return
 
-        val channel = getOrCreateChannel(activityId.toTag()) { LiveActivitiesChannel(activityId) }
+        val channel = getOrCreateChannel(activityAddress.toValue()) { LiveActivitiesChannel(activityAddress) }
 
         val note = getOrCreateNote(event.id)
         channel.addNote(note, relay)
@@ -2348,7 +2347,7 @@ object LocalCache {
         draftWrap: DraftEvent,
         draft: Event,
     ) {
-        val note = getOrCreateAddressableNote(draftWrap.aTag())
+        val note = getOrCreateAddressableNote(draftWrap.address())
         val author = getOrCreateUser(draftWrap.pubKey)
 
         when (draft) {

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

@@ -46,6 +46,7 @@ import com.vitorpamplona.quartz.nip01Core.core.AddressableEvent
 import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip01Core.tags.events.ETag
 import com.vitorpamplona.quartz.nip01Core.tags.events.EventReference
 import com.vitorpamplona.quartz.nip01Core.tags.hashtags.anyHashTag
@@ -54,6 +55,7 @@ import com.vitorpamplona.quartz.nip10Notes.BaseThreadedEvent
 import com.vitorpamplona.quartz.nip10Notes.tags.MarkedETag
 import com.vitorpamplona.quartz.nip18Reposts.GenericRepostEvent
 import com.vitorpamplona.quartz.nip18Reposts.RepostEvent
+import com.vitorpamplona.quartz.nip19Bech32.entities.NAddress
 import com.vitorpamplona.quartz.nip19Bech32.entities.NEvent
 import com.vitorpamplona.quartz.nip19Bech32.toNAddr
 import com.vitorpamplona.quartz.nip23LongContent.LongTextNoteEvent
@@ -85,11 +87,11 @@ import kotlin.coroutines.resume
 
 @Stable
 class AddressableNote(
-    val address: ATag,
-) : Note(address.toTag()) {
-    override fun idNote() = address.toNAddr(relayHintUrl())
+    val address: Address,
+) : Note(address.toValue()) {
+    override fun idNote() = toNAddr()
 
-    override fun toNEvent() = address.toNAddr(relayHintUrl())
+    override fun toNEvent() = toNAddr()
 
     override fun idDisplayNote() = idNote().toShortenHex()
 
@@ -108,13 +110,15 @@ class AddressableNote(
 
     override fun wasOrShouldBeDeletedBy(
         deletionEvents: Set<HexKey>,
-        deletionAddressables: Set<ATag>,
+        deletionAddressables: Set<Address>,
     ): Boolean {
         val thisEvent = event
         return deletionAddressables.contains(address) || (thisEvent != null && deletionEvents.contains(thisEvent.id))
     }
 
-    override fun toATag() = ATag.parse(idHex, relayHintUrl())
+    fun toNAddr() = NAddress.create(address.kind, address.pubKeyHex, address.dTag, relayHintUrl())
+
+    fun toATag() = ATag(address, relayHintUrl())
 }
 
 @Stable
@@ -211,7 +215,7 @@ open class Note(
             null
         }
 
-    open fun address(): ATag? = null
+    open fun address(): Address? = null
 
     open fun createdAt() = event?.createdAt
 
@@ -915,10 +919,10 @@ open class Note(
 
     open fun wasOrShouldBeDeletedBy(
         deletionEvents: Set<HexKey>,
-        deletionAddressables: Set<ATag>,
+        deletionAddressables: Set<Address>,
     ): Boolean {
         val thisEvent = event
-        return deletionEvents.contains(idHex) || (thisEvent is AddressableEvent && deletionAddressables.contains(thisEvent.aTag()))
+        return deletionEvents.contains(idHex) || (thisEvent is AddressableEvent && deletionAddressables.contains(thisEvent.address()))
     }
 
     fun toETag(): ETag {
@@ -950,15 +954,6 @@ open class Note(
             MarkedETag(idHex, relayHintUrl(), marker, author?.pubkeyHex)
         }
     }
-
-    open fun toATag(): ATag? {
-        val noteEvent = event
-        return if (noteEvent is AddressableEvent) {
-            ATag(noteEvent.kind, noteEvent.pubKey, noteEvent.dTag(), relayHintUrl())
-        } else {
-            null
-        }
-    }
 }
 
 @Stable

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

@@ -23,7 +23,7 @@ package com.vitorpamplona.amethyst.model
 import androidx.compose.runtime.Stable
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.quartz.nip01Core.core.AddressableEvent
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip18Reposts.GenericRepostEvent
 import com.vitorpamplona.quartz.nip18Reposts.RepostEvent
 import kotlinx.collections.immutable.ImmutableSet
@@ -132,7 +132,7 @@ class ThreadAssembler {
 }
 
 class OnlyLatestVersionSet : MutableSet<Note> {
-    val map = hashMapOf<ATag, Long>()
+    val map = hashMapOf<Address, Long>()
     val set = hashSetOf<Note>()
 
     override fun add(element: Note): Boolean {
@@ -142,14 +142,14 @@ class OnlyLatestVersionSet : MutableSet<Note> {
         return if (element is AddressableNote && loadedCreatedAt != null) {
             innerAdd(element.address, element, loadedCreatedAt)
         } else if (noteEvent is AddressableEvent && loadedCreatedAt != null) {
-            innerAdd(noteEvent.aTag(), element, loadedCreatedAt)
+            innerAdd(noteEvent.address(), element, loadedCreatedAt)
         } else {
             set.add(element)
         }
     }
 
     private fun innerAdd(
-        address: ATag,
+        address: Address,
         element: Note,
         loadedCreatedAt: Long,
     ): Boolean {
@@ -193,7 +193,7 @@ class OnlyLatestVersionSet : MutableSet<Note> {
         element.address()?.let {
             map.remove(it)
         }
-        (element.event as? AddressableEvent)?.aTag()?.let {
+        (element.event as? AddressableEvent)?.address()?.let {
             map.remove(it)
         }
 

amethyst/src/main/java/com/vitorpamplona/amethyst/service/NostrCommunityDataSource.kt

@@ -50,7 +50,7 @@ object NostrCommunityDataSource : AmethystNostrDataSource("SingleCommunityFeed")
                     authors = authors,
                     tags =
                         mapOf(
-                            "a" to listOf(myCommunityToWatch.address.toTag()),
+                            "a" to listOf(myCommunityToWatch.address.toValue()),
                         ),
                     kinds = listOf(CommunityPostApprovalEvent.KIND),
                     limit = 500,

amethyst/src/main/java/com/vitorpamplona/amethyst/service/NostrSingleEventDataSource.kt

@@ -81,7 +81,7 @@ object NostrSingleEventDataSource : AmethystNostrDataSource("SingleEventFeed") {
                                         CommunityPostApprovalEvent.KIND,
                                         LiveActivitiesChatMessageEvent.KIND,
                                     ),
-                                tags = mapOf("a" to it.mapNotNull { it.address()?.toTag() }),
+                                tags = mapOf("a" to it.mapNotNull { it.address()?.toValue() }),
                                 since = findMinimumEOSEs(it),
                                 // Max amount of "replies" to download on a specific event.
                                 limit = 1000,
@@ -95,7 +95,7 @@ object NostrSingleEventDataSource : AmethystNostrDataSource("SingleEventFeed") {
                                     listOf(
                                         DeletionEvent.KIND,
                                     ),
-                                tags = mapOf("a" to it.mapNotNull { it.address()?.toTag() }),
+                                tags = mapOf("a" to it.mapNotNull { it.address()?.toValue() }),
                                 since = findMinimumEOSEs(it),
                                 // Max amount of "replies" to download on a specific event.
                                 limit = 10,

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

@@ -792,11 +792,7 @@ open class NewPostViewModel : ViewModel() {
                             imetas(usedAttachments)
                         }
                     } else {
-                        if (channel.address.relay == null) {
-                            channel.address.relay = channelRelays.firstOrNull() ?: replyingToEvent?.relay
-                        }
-
-                        LiveActivitiesChatMessageEvent.message(tagger.message, channel.address) {
+                        LiveActivitiesChatMessageEvent.message(tagger.message, channel.toATag()) {
                             tagger.pTags?.let { notify(it.map { it.toPTag() }) }
 
                             hashtags(findHashtags(tagger.message))

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/dal/DiscoverCommunityFeedFilter.kt

@@ -23,8 +23,7 @@ package com.vitorpamplona.amethyst.ui.dal
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
-import com.vitorpamplona.quartz.nip19Bech32.parseAtagUnckecked
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip51Lists.MuteListEvent
 import com.vitorpamplona.quartz.nip51Lists.PeopleListEvent
 import com.vitorpamplona.quartz.nip72ModCommunities.approval.CommunityPostApprovalEvent
@@ -54,7 +53,7 @@ open class DiscoverCommunityFeedFilter(
         val notes =
             LocalCache.addressables.mapNotNullIntoSet { key, note ->
                 val noteEvent = note.event
-                if (noteEvent == null && shouldInclude(ATag.parseAtagUnckecked(key), filterParams)) {
+                if (noteEvent == null && shouldInclude(Address.parse(key), filterParams)) {
                     // send unloaded communities to the screen
                     note
                 } else if (noteEvent is CommunityDefinitionEvent && filterParams.match(noteEvent)) {
@@ -86,7 +85,7 @@ open class DiscoverCommunityFeedFilter(
                 if (noteEvent is CommunityDefinitionEvent && filterParams.match(noteEvent)) {
                     listOf(note)
                 } else if (noteEvent is CommunityPostApprovalEvent) {
-                    noteEvent.communities().mapNotNull {
+                    noteEvent.communityAddresses().mapNotNull {
                         val definitionNote = LocalCache.getOrCreateAddressableNote(it)
                         val definitionEvent = definitionNote.event
 
@@ -106,7 +105,7 @@ open class DiscoverCommunityFeedFilter(
     }
 
     private fun shouldInclude(
-        aTag: ATag?,
+        aTag: Address?,
         params: FilterByListParams,
     ) = aTag != null && aTag.kind == CommunityDefinitionEvent.KIND && params.match(aTag)
 

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/dal/FilterByListParams.kt

@@ -24,7 +24,7 @@ import com.vitorpamplona.amethyst.model.AROUND_ME
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.GLOBAL_FOLLOWS
 import com.vitorpamplona.quartz.nip01Core.core.Event
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.isTaggedAddressableNotes
 import com.vitorpamplona.quartz.nip01Core.tags.geohash.isTaggedGeoHashes
 import com.vitorpamplona.quartz.nip01Core.tags.hashtags.isTaggedHashes
@@ -68,10 +68,10 @@ class FilterByListParams(
         }
     }
 
-    fun isATagInList(aTag: ATag): Boolean {
+    fun isAuthorInFollows(address: Address): Boolean {
         if (followLists == null) return false
 
-        return aTag.pubKeyHex in followLists.authors
+        return address.pubKeyHex in followLists.authors
     }
 
     fun match(
@@ -81,10 +81,10 @@ class FilterByListParams(
         (isHiddenList || isNotHidden(noteEvent.pubKey)) &&
         isNotInTheFuture(noteEvent)
 
-    fun match(aTag: ATag?) =
-        aTag != null &&
-            (isGlobal || isATagInList(aTag)) &&
-            (isHiddenList || isNotHidden(aTag.pubKeyHex))
+    fun match(address: Address?) =
+        address != null &&
+            (isGlobal || isAuthorInFollows(address)) &&
+            (isHiddenList || isNotHidden(address.pubKeyHex))
 
     companion object {
         fun showHiddenKey(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/dal/UserProfileAppRecommendationsFeedFilter.kt

@@ -23,7 +23,6 @@ package com.vitorpamplona.amethyst.ui.dal
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
 import com.vitorpamplona.quartz.nip89AppHandlers.recommendation.AppRecommendationEvent
 
 class UserProfileAppRecommendationsFeedFilter(
@@ -48,7 +47,7 @@ class UserProfileAppRecommendationsFeedFilter(
         val noteEvent = it.event
         if (noteEvent is AppRecommendationEvent) {
             if (noteEvent.pubKey == user.pubkeyHex) {
-                return noteEvent.recommendations().map { LocalCache.getOrCreateAddressableNote(ATag(it.address)) }
+                return noteEvent.recommendations().map { LocalCache.getOrCreateAddressableNote(it.address) }
             }
         }
 

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

@@ -113,7 +113,7 @@ import com.vitorpamplona.amethyst.ui.theme.profileContentHeaderModifier
 import com.vitorpamplona.amethyst.ui.tor.ConnectTorDialog
 import com.vitorpamplona.ammolite.relays.RelayPoolStatus
 import com.vitorpamplona.quartz.nip01Core.HexKey
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip02FollowList.ImmutableListOfLists
 
 @Composable
@@ -278,7 +278,7 @@ private fun EditStatusBoxes(
 @Composable
 fun StatusEditBar(
     savedStatus: String? = null,
-    tag: ATag? = null,
+    address: Address? = null,
     accountViewModel: AccountViewModel,
     nav: INav,
 ) {
@@ -311,10 +311,10 @@ fun StatusEditBar(
         keyboardActions =
             KeyboardActions(
                 onSend = {
-                    if (tag == null) {
+                    if (address == null) {
                         accountViewModel.createStatus(currentStatus.value)
                     } else {
-                        accountViewModel.updateStatus(tag, currentStatus.value)
+                        accountViewModel.updateStatus(address, currentStatus.value)
                     }
 
                     focusManager.clearFocus(true)
@@ -324,17 +324,17 @@ fun StatusEditBar(
         trailingIcon = {
             if (hasChanged.value) {
                 SendButton {
-                    if (tag == null) {
+                    if (address == null) {
                         accountViewModel.createStatus(currentStatus.value)
                     } else {
-                        accountViewModel.updateStatus(tag, currentStatus.value)
+                        accountViewModel.updateStatus(address, currentStatus.value)
                     }
                     focusManager.clearFocus(true)
                 }
             } else {
-                if (tag != null) {
+                if (address != null) {
                     UserStatusDeleteButton {
-                        accountViewModel.deleteStatus(tag)
+                        accountViewModel.deleteStatus(address)
                         focusManager.clearFocus(true)
                     }
                 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/Loaders.kt

@@ -39,7 +39,7 @@ import com.vitorpamplona.amethyst.service.CachedGeoLocations
 import com.vitorpamplona.amethyst.ui.components.GenericLoadable
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.notifications.equalImmutableLists
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.persistentListOf
 import kotlinx.coroutines.Dispatchers
@@ -112,20 +112,20 @@ fun LoadAddressableNote(
 
 @Composable
 fun LoadAddressableNote(
-    aTag: ATag,
+    address: Address,
     accountViewModel: AccountViewModel,
     content: @Composable (AddressableNote?) -> Unit,
 ) {
     var note by
-        remember(aTag) {
-            mutableStateOf<AddressableNote?>(accountViewModel.getAddressableNoteIfExists(aTag.toTag()))
+        remember(address) {
+            mutableStateOf(accountViewModel.getAddressableNoteIfExists(address.toValue()))
         }
 
     if (note == null) {
-        LaunchedEffect(key1 = aTag) {
+        LaunchedEffect(key1 = address) {
             val newNote =
                 withContext(Dispatchers.IO) {
-                    accountViewModel.getOrCreateAddressableNote(aTag)
+                    accountViewModel.getOrCreateAddressableNote(address)
                 }
             if (note != newNote) {
                 note = newNote

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

@@ -73,7 +73,7 @@ import com.vitorpamplona.amethyst.ui.theme.lessImportantLink
 import com.vitorpamplona.amethyst.ui.theme.nip05
 import com.vitorpamplona.amethyst.ui.theme.placeholderText
 import com.vitorpamplona.quartz.nip01Core.metadata.UserMetadata
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.firstTaggedAddress
 import com.vitorpamplona.quartz.nip01Core.tags.events.ETag
 import com.vitorpamplona.quartz.nip01Core.tags.events.firstTaggedEvent
@@ -276,7 +276,7 @@ fun DisplayStatusInner(
     content: String,
     type: String,
     url: String?,
-    nostrATag: ATag?,
+    nostrATag: Address?,
     nostrETag: ETag?,
     accountViewModel: AccountViewModel,
     nav: INav,

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

@@ -125,13 +125,13 @@ val njumpLink = { nip19BechAddress: String ->
 val externalLinkForNote = { note: Note ->
     if (note is AddressableNote) {
         if (note.event?.bountyBaseReward() != null) {
-            "https://nostrbounties.com/b/${note.address().toNAddr()}"
+            "https://nostrbounties.com/b/${note.toNAddr()}"
         } else if (note.event is PeopleListEvent) {
-            "https://listr.lol/a/${note.address().toNAddr()}"
+            "https://listr.lol/a/${note.toNAddr()}"
         } else if (note.event is AudioTrackEvent) {
-            "https://zapstr.live/?track=${note.address().toNAddr()}"
+            "https://zapstr.live/?track=${note.toNAddr()}"
         } else {
-            njumpLink(note.address().toNAddr())
+            njumpLink(note.toNAddr())
         }
     } else {
         if (note.event is FileHeaderEvent) {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/ShowEmojiSuggestionList.kt

@@ -61,7 +61,7 @@ import kotlinx.coroutines.flow.Flow
 @Composable
 fun WatchAndLoadMyEmojiList(accountViewModel: AccountViewModel) {
     LoadAddressableNote(
-        EmojiPackSelectionEvent.createAddressATag(accountViewModel.userProfile().pubkeyHex),
+        EmojiPackSelectionEvent.createAddress(accountViewModel.userProfile().pubkeyHex),
         accountViewModel,
     ) { emptyNote ->
         emptyNote?.let { usersEmojiList ->
@@ -73,7 +73,7 @@ fun WatchAndLoadMyEmojiList(accountViewModel: AccountViewModel) {
                 .observeAsState((usersEmojiList.event as? EmojiPackSelectionEvent)?.taggedAddresses()?.toImmutableList())
 
             collections?.forEach {
-                LoadAddressableNote(aTag = it, accountViewModel) {
+                LoadAddressableNote(it, accountViewModel) {
                     it?.live()?.metadata?.observeAsState()
                 }
             }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/UpdateReactionTypeDialog.kt

@@ -86,7 +86,7 @@ import com.vitorpamplona.amethyst.ui.screen.loggedIn.SaveButton
 import com.vitorpamplona.amethyst.ui.stringRes
 import com.vitorpamplona.amethyst.ui.theme.ButtonBorder
 import com.vitorpamplona.amethyst.ui.theme.placeholderText
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.taggedAddresses
 import com.vitorpamplona.quartz.nip30CustomEmoji.CustomEmoji
 import com.vitorpamplona.quartz.nip30CustomEmoji.EmojiUrlTag
@@ -340,13 +340,7 @@ private fun EmojiSelector(
     onClick: ((EmojiUrlTag) -> Unit)? = null,
 ) {
     LoadAddressableNote(
-        aTag =
-            ATag(
-                EmojiPackSelectionEvent.KIND,
-                accountViewModel.userProfile().pubkeyHex,
-                "",
-                null,
-            ),
+        accountViewModel.account.getEmojiPackSelectionAddress(),
         accountViewModel,
     ) { emptyNote ->
         emptyNote?.let { usersEmojiList ->
@@ -369,7 +363,7 @@ private fun EmojiSelector(
 
 @Composable
 fun EmojiCollectionGallery(
-    emojiCollections: ImmutableList<ATag>,
+    emojiCollections: ImmutableList<Address>,
     accountViewModel: AccountViewModel,
     nav: INav,
     onClick: ((EmojiUrlTag) -> Unit)? = null,
@@ -382,8 +376,8 @@ fun EmojiCollectionGallery(
     LazyColumn(
         state = listState,
     ) {
-        itemsIndexed(emojiCollections, key = { _, item -> item.toTag() }) { _, item ->
-            LoadAddressableNote(aTag = item, accountViewModel) {
+        itemsIndexed(emojiCollections, key = { _, item -> item }) { _, item ->
+            LoadAddressableNote(item, accountViewModel) {
                 it?.let { WatchAndRenderNote(it, bgColor, accountViewModel, nav, onClick) }
             }
         }

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

@@ -59,16 +59,13 @@ fun ShowForkInformation(
     val forkedAddress = remember(noteEvent) { noteEvent.forkFromAddress() }
     val forkedEvent = remember(noteEvent) { noteEvent.forkFromVersion() }
     if (forkedAddress != null) {
-        LoadAddressableNote(
-            aTag = forkedAddress,
-            accountViewModel = accountViewModel,
-        ) { addressableNote ->
+        LoadAddressableNote(forkedAddress, accountViewModel) { addressableNote ->
             if (addressableNote != null) {
                 ForkInformationRowLightColor(addressableNote, modifier, accountViewModel, nav)
             }
         }
     } else if (forkedEvent != null) {
-        LoadNote(forkedEvent.eventId, accountViewModel = accountViewModel) { event ->
+        LoadNote(forkedEvent.eventId, accountViewModel) { event ->
             if (event != null) {
                 ForkInformationRowLightColor(event, modifier, accountViewModel, nav)
             }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/types/Emoji.kt

@@ -56,11 +56,9 @@ import com.vitorpamplona.amethyst.ui.note.elements.RemoveButton
 import com.vitorpamplona.amethyst.ui.note.getGradient
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.theme.Size35Modifier
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.isTaggedAddressableNote
 import com.vitorpamplona.quartz.nip30CustomEmoji.EmojiUrlTag
 import com.vitorpamplona.quartz.nip30CustomEmoji.pack.EmojiPackEvent
-import com.vitorpamplona.quartz.nip30CustomEmoji.selection.EmojiPackSelectionEvent
 import com.vitorpamplona.quartz.nip30CustomEmoji.taggedEmojis
 
 @Composable
@@ -180,13 +178,7 @@ private fun EmojiListOptions(
     emojiPackNote: Note,
 ) {
     LoadAddressableNote(
-        aTag =
-            ATag(
-                EmojiPackSelectionEvent.KIND,
-                accountViewModel.userProfile().pubkeyHex,
-                "",
-                null,
-            ),
+        accountViewModel.account.getEmojiPackSelectionAddress(),
         accountViewModel,
     ) {
         it?.let { usersEmojiList ->

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/types/Git.kt

@@ -137,10 +137,10 @@ private fun RenderGitPatchEvent(
     accountViewModel: AccountViewModel,
     nav: INav,
 ) {
-    val repository = remember(noteEvent) { noteEvent.repository() }
+    val repository = remember(noteEvent) { noteEvent.repositoryAddress() }
 
     if (repository != null) {
-        LoadAddressableNote(aTag = repository, accountViewModel = accountViewModel) {
+        LoadAddressableNote(repository, accountViewModel) {
             if (it != null) {
                 RenderShortRepositoryHeader(it, accountViewModel, nav)
                 Spacer(modifier = DoubleVertSpacer)
@@ -242,10 +242,10 @@ private fun RenderGitIssueEvent(
     accountViewModel: AccountViewModel,
     nav: INav,
 ) {
-    val repository = remember(noteEvent) { noteEvent.repository() }
+    val repository = remember(noteEvent) { noteEvent.repositoryAddress() }
 
     if (repository != null) {
-        LoadAddressableNote(aTag = repository, accountViewModel = accountViewModel) {
+        LoadAddressableNote(repository, accountViewModel) {
             if (it != null) {
                 RenderShortRepositoryHeader(it, accountViewModel, nav)
                 Spacer(modifier = DoubleVertSpacer)

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/types/Highlight.kt

@@ -54,7 +54,7 @@ import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.navigation.routeFor
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.quartz.nip01Core.core.firstTagValueFor
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip01Core.tags.events.ETag
 import com.vitorpamplona.quartz.nip02FollowList.EmptyTagList
 import com.vitorpamplona.quartz.nip10Notes.BaseThreadedEvent
@@ -81,7 +81,7 @@ fun RenderHighlight(
         context = noteEvent.context(),
         authorHex = noteEvent.pubKey,
         url = noteEvent.inUrl(),
-        postAddress = noteEvent.inPost(),
+        postAddress = noteEvent.inPostAddress(),
         postVersion = noteEvent.inPostVersion(),
         makeItShort = makeItShort,
         canPreview = canPreview,
@@ -99,7 +99,7 @@ fun DisplayHighlight(
     context: String?,
     authorHex: String?,
     url: String?,
-    postAddress: ATag?,
+    postAddress: Address?,
     postVersion: ETag?,
     makeItShort: Boolean,
     canPreview: Boolean,
@@ -149,7 +149,7 @@ private fun DisplayQuoteAuthor(
     highlightQuote: String,
     authorHex: String?,
     baseUrl: String?,
-    postAddress: ATag?,
+    postAddress: Address?,
     postVersion: ETag?,
     accountViewModel: AccountViewModel,
     nav: INav,
@@ -165,7 +165,7 @@ private fun DisplayQuoteAuthor(
     }
 
     var addressable by remember {
-        mutableStateOf<AddressableNote?>(postAddress?.let { accountViewModel.getAddressableNoteIfExists(it.toTag()) })
+        mutableStateOf<AddressableNote?>(postAddress?.let { accountViewModel.getAddressableNoteIfExists(it) })
     }
 
     if (addressable == null && postAddress != null) {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/types/InteractiveStory.kt

@@ -66,13 +66,13 @@ fun RenderInteractiveStory(
     val rootEvent = note.value?.note?.event as? InteractiveStoryBaseEvent ?: return
 
     // keep updating the reading state event with new versions
-    val readingStateNote = accountViewModel.getInteractiveStoryReadingState(address.toTag())
+    val readingStateNote = accountViewModel.getInteractiveStoryReadingState(address.toValue())
     val latestReadingNoteState = readingStateNote.live().metadata.observeAsState()
     val readingState = latestReadingNoteState.value?.note?.event as? InteractiveStoryReadingStateEvent
 
     val currentScene = readingState?.currentScene()
 
-    if (currentScene != null && currentScene != rootEvent.aTag()) {
+    if (currentScene != null && currentScene != rootEvent.address()) {
         LoadAddressableNote(currentScene, accountViewModel) { currentSceneBaseNote ->
             val currentScene = currentSceneBaseNote?.live()?.metadata?.observeAsState()
             val currentSceneEvent = currentScene?.value?.note?.event as? InteractiveStoryBaseEvent

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/types/RenderPostApproval.kt

@@ -56,7 +56,7 @@ fun RenderPostApproval(
     val noteEvent = note.event as? CommunityPostApprovalEvent ?: return
 
     Column(Modifier.fillMaxWidth()) {
-        noteEvent.communities().forEach { tag ->
+        noteEvent.communityAddresses().forEach { tag ->
             LoadAddressableNote(tag, accountViewModel) { baseNote ->
                 baseNote?.let {
                     RenderCommunity(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/FollowListState.kt

@@ -127,7 +127,7 @@ class FollowListState(
         checkNotInMainThread()
 
         val hasNewList =
-            newNotes.any {
+            newNotes.any { it ->
                 val noteEvent = it.event
 
                 noteEvent?.pubKey == account.userProfile().pubkeyHex &&

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

@@ -79,7 +79,7 @@ import com.vitorpamplona.quartz.nip01Core.core.AddressableEvent
 import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.crypto.KeyPair
 import com.vitorpamplona.quartz.nip01Core.metadata.UserMetadata
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip01Core.tags.people.PubKeyReferenceTag
 import com.vitorpamplona.quartz.nip01Core.tags.people.isTaggedUser
 import com.vitorpamplona.quartz.nip01Core.tags.people.taggedUserIds
@@ -987,17 +987,17 @@ class AccountViewModel(
     }
 
     fun updateStatus(
-        it: ATag,
+        address: Address,
         newStatus: String,
     ) {
         viewModelScope.launch(Dispatchers.IO) {
-            account.updateStatus(LocalCache.getOrCreateAddressableNote(it), newStatus)
+            account.updateStatus(LocalCache.getOrCreateAddressableNote(address), newStatus)
         }
     }
 
-    fun deleteStatus(it: ATag) {
+    fun deleteStatus(address: Address) {
         viewModelScope.launch(Dispatchers.IO) {
-            account.deleteStatus(LocalCache.getOrCreateAddressableNote(it))
+            account.deleteStatus(LocalCache.getOrCreateAddressableNote(address))
         }
     }
 
@@ -1124,10 +1124,10 @@ class AccountViewModel(
         viewModelScope.launch(Dispatchers.IO) { onResult(checkGetOrCreateAddressableNote(key)) }
     }
 
-    suspend fun getOrCreateAddressableNote(key: ATag): AddressableNote = LocalCache.getOrCreateAddressableNote(key)
+    suspend fun getOrCreateAddressableNote(key: Address): AddressableNote = LocalCache.getOrCreateAddressableNote(key)
 
     fun getOrCreateAddressableNote(
-        key: ATag,
+        key: Address,
         onResult: (AddressableNote?) -> Unit,
     ) {
         viewModelScope.launch(Dispatchers.IO) { onResult(getOrCreateAddressableNote(key)) }
@@ -1135,6 +1135,8 @@ class AccountViewModel(
 
     fun getAddressableNoteIfExists(key: String): AddressableNote? = LocalCache.getAddressableNoteIfExists(key)
 
+    fun getAddressableNoteIfExists(key: Address): AddressableNote? = LocalCache.getAddressableNoteIfExists(key)
+
     suspend fun findStatusesForUser(
         myUser: User,
         onResult: (ImmutableList<AddressableNote>) -> Unit,
@@ -1539,7 +1541,7 @@ class AccountViewModel(
     ): Note {
         val note =
             if (innerEvent is AddressableEvent) {
-                AddressableNote(innerEvent.aTag())
+                AddressableNote(innerEvent.address())
             } else {
                 Note(innerEvent.id)
             }
@@ -1598,14 +1600,14 @@ class AccountViewModel(
             AdvertisedRelayListEvent.createAddressTag(user.pubkeyHex),
         )
 
-    fun getInteractiveStoryReadingState(dATag: String): AddressableNote = LocalCache.getOrCreateAddressableNote(InteractiveStoryReadingStateEvent.createAddressATag(account.signer.pubKey, dATag))
+    fun getInteractiveStoryReadingState(dATag: String): AddressableNote = LocalCache.getOrCreateAddressableNote(InteractiveStoryReadingStateEvent.createAddress(account.signer.pubKey, dATag))
 
     fun updateInteractiveStoryReadingState(
         root: InteractiveStoryBaseEvent,
         readingScene: InteractiveStoryBaseEvent,
     ) {
         viewModelScope.launch(Dispatchers.IO) {
-            val sceneNoteRelayHint = LocalCache.getOrCreateAddressableNote(readingScene.aTag()).relayHintUrl()
+            val sceneNoteRelayHint = LocalCache.getOrCreateAddressableNote(readingScene.address()).relayHintUrl()
 
             val readingState = getInteractiveStoryReadingState(root.addressTag())
             val readingStateEvent = readingState.event as? InteractiveStoryReadingStateEvent
@@ -1613,7 +1615,7 @@ class AccountViewModel(
             if (readingStateEvent != null) {
                 account.updateInteractiveStoryReadingState(readingStateEvent, readingScene, sceneNoteRelayHint)
             } else {
-                val rootNoteRelayHint = LocalCache.getOrCreateAddressableNote(root.aTag()).relayHintUrl()
+                val rootNoteRelayHint = LocalCache.getOrCreateAddressableNote(root.address()).relayHintUrl()
 
                 account.createInteractiveStoryReadingState(root, rootNoteRelayHint, readingScene, sceneNoteRelayHint)
             }

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

@@ -486,11 +486,7 @@ private suspend fun innerSendPost(
                     imetas(usedAttachments)
                 }
             } else {
-                if (channel.address.relay == null) {
-                    channel.address.relay = channelRelays.firstOrNull() ?: replyingToEvent?.relay
-                }
-
-                LiveActivitiesChatMessageEvent.message(tagger.message, channel.address) {
+                LiveActivitiesChatMessageEvent.message(tagger.message, channel.toATag()) {
                     hashtags(findHashtags(tagger.message))
                     references(findURLs(tagger.message))
                     quotes(findNostrUris(tagger.message))

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

@@ -176,7 +176,7 @@ import com.vitorpamplona.amethyst.ui.theme.StdHorzSpacer
 import com.vitorpamplona.amethyst.ui.theme.ZeroPadding
 import com.vitorpamplona.amethyst.ui.theme.placeholderText
 import com.vitorpamplona.amethyst.ui.theme.userProfileBorderModifier
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.taggedAddresses
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.taggedATags
 import com.vitorpamplona.quartz.nip01Core.tags.events.ETag
 import com.vitorpamplona.quartz.nip01Core.tags.events.taggedEvents
 import com.vitorpamplona.quartz.nip02FollowList.EmptyTagList
@@ -704,7 +704,7 @@ private fun BookmarkTabHeader(baseUser: User) {
                 (
                     bookmarkList?.taggedEvents()?.count()
                         ?: 0
-                ) + (bookmarkList?.taggedAddresses()?.count() ?: 0)
+                ) + (bookmarkList?.taggedATags()?.count() ?: 0)
 
             if (newBookmarks != userBookmarks) {
                 userBookmarks = newBookmarks
@@ -1349,8 +1349,8 @@ private fun DisplayBadges(
     nav: INav,
 ) {
     LoadAddressableNote(
-        aTag = BadgeProfilesEvent.createAddressTag(baseUser.pubkeyHex),
-        accountViewModel = accountViewModel,
+        BadgeProfilesEvent.createAddress(baseUser.pubkeyHex),
+        accountViewModel,
     ) { note ->
         if (note != null) {
             WatchAndRenderBadgeList(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/threadview/ThreadFeedView.kt

@@ -1004,7 +1004,7 @@ private fun RenderWikiHeaderForThread(
             }
 
             forkedAddress?.let {
-                LoadAddressableNote(aTag = it, accountViewModel = accountViewModel) { originalVersion ->
+                LoadAddressableNote(it, accountViewModel) { originalVersion ->
                     if (originalVersion != null) {
                         ForkInformationRow(originalVersion, Modifier.fillMaxWidth(), accountViewModel, nav)
                     }

quartz/src/main/java/com/vitorpamplona/quartz/blossom/BlossomServersEvent.kt

@@ -25,6 +25,7 @@ import com.vitorpamplona.quartz.nip01Core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.BaseReplaceableEvent
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip31Alts.AltTag
 import com.vitorpamplona.quartz.utils.TimeUtils
 
@@ -50,6 +51,8 @@ class BlossomServersEvent(
         const val KIND = 10063
         const val ALT = "File servers used by the author"
 
+        fun createAddress(pubKey: HexKey): Address = Address(KIND, pubKey, FIXED_D_TAG)
+
         fun createAddressATag(pubKey: HexKey): ATag = ATag(KIND, pubKey, FIXED_D_TAG, null)
 
         fun createAddressTag(pubKey: HexKey): String = ATag.assembleATagId(KIND, pubKey, FIXED_D_TAG)

quartz/src/main/java/com/vitorpamplona/quartz/experimental/edits/PrivateOutboxRelayListEvent.kt

@@ -29,6 +29,7 @@ import com.vitorpamplona.quartz.nip01Core.core.TagArray
 import com.vitorpamplona.quartz.nip01Core.jackson.EventMapper
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip21UriScheme.toNostrUri
 import com.vitorpamplona.quartz.nip31Alts.AltTag
 import com.vitorpamplona.quartz.utils.TimeUtils
@@ -102,6 +103,8 @@ class PrivateOutboxRelayListEvent(
         const val KIND = 10013
         val TAGS = arrayOf(AltTag.assemble("Relay list to store private content from this author"))
 
+        fun createAddress(pubKey: HexKey): Address = Address(KIND, pubKey, FIXED_D_TAG)
+
         fun createAddressATag(pubKey: HexKey): ATag = ATag(KIND, pubKey, FIXED_D_TAG, null)
 
         fun createAddressTag(pubKey: HexKey): String = ATag.assembleATagId(KIND, pubKey, FIXED_D_TAG)

quartz/src/main/java/com/vitorpamplona/quartz/experimental/forks/BaseThreadedEventExt.kt

@@ -21,7 +21,7 @@
 package com.vitorpamplona.quartz.experimental.forks
 
 import com.vitorpamplona.quartz.nip01Core.HexKey
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip10Notes.BaseThreadedEvent
 import com.vitorpamplona.quartz.nip10Notes.tags.MarkedETag
 
@@ -30,9 +30,7 @@ fun BaseThreadedEvent.isAFork() = tags.any { it.size > 3 && (it[0] == "a" || it[
 fun BaseThreadedEvent.forkFromAddress() =
     tags.firstOrNull { it.size > 3 && it[0] == "a" && it[3] == "fork" }?.let {
         val aTagValue = it[1]
-        val relay = it.getOrNull(2)
-
-        ATag.parse(aTagValue, relay)
+        Address.parse(aTagValue)
     }
 
 fun BaseThreadedEvent.forkFromVersion() = tags.firstNotNullOfOrNull(MarkedETag::parseFork)

quartz/src/main/java/com/vitorpamplona/quartz/experimental/interactiveStories/InteractiveStoryReadingStateEvent.kt

@@ -30,6 +30,7 @@ import com.vitorpamplona.quartz.nip01Core.core.builder
 import com.vitorpamplona.quartz.nip01Core.signers.EventTemplate
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip01Core.tags.dTags.dTag
 import com.vitorpamplona.quartz.nip23LongContent.tags.ImageTag
 import com.vitorpamplona.quartz.nip23LongContent.tags.TitleTag
@@ -57,13 +58,18 @@ class InteractiveStoryReadingStateEvent(
 
     fun root() = tags.firstNotNullOfOrNull(RootSceneTag::parse)
 
-    fun currentScene() = tags.firstNotNullOfOrNull(ATag::parse)
+    fun currentScene() = tags.firstNotNullOfOrNull(ATag::parseAddress)
 
     companion object {
         const val KIND = 30298
         const val ALT1 = "Interactive Story Reading state"
         const val ALT2 = "The reading state of "
 
+        fun createAddress(
+            pubKey: HexKey,
+            dtag: String,
+        ): Address = Address(KIND, pubKey, dtag)
+
         fun createAddressATag(
             pubKey: HexKey,
             dtag: String,

quartz/src/main/java/com/vitorpamplona/quartz/experimental/interactiveStories/tags/StoryOptionTag.kt

@@ -20,14 +20,16 @@
  */
 package com.vitorpamplona.quartz.experimental.interactiveStories.tags
 
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
+import com.vitorpamplona.quartz.nip46RemoteSigner.getOrNull
 import com.vitorpamplona.quartz.utils.arrayOfNotNull
 
 class StoryOptionTag(
     val option: String,
-    val address: ATag,
+    val address: Address,
+    val relay: String?,
 ) {
-    fun toTagArray() = assemble(option, address)
+    fun toTagArray() = assemble(option, address, relay)
 
     companion object {
         const val TAG_NAME = "option"
@@ -37,13 +39,16 @@ class StoryOptionTag(
         fun parse(tag: Array<String>): StoryOptionTag? {
             if (tag.size < TAG_SIZE || tag[0] != TAG_NAME) return null
 
-            return ATag.parse(tag[2], tag.getOrNull(3))?.let { StoryOptionTag(tag[1], it) }
+            val address = Address.parse(tag[2]) ?: return null
+
+            return StoryOptionTag(tag[1], address, tag.getOrNull(3))
         }
 
         @JvmStatic
         fun assemble(
             title: String,
-            destination: ATag,
-        ) = arrayOfNotNull(TAG_NAME, title, destination.toTag(), destination.relay)
+            address: Address,
+            relay: String?,
+        ) = arrayOfNotNull(TAG_NAME, title, address.toValue(), relay)
     }
 }

quartz/src/main/java/com/vitorpamplona/quartz/nip01Core/core/BaseAddressableEvent.kt

@@ -46,5 +46,5 @@ open class BaseAddressableEvent(
     /**
      * Creates the tag in a memory efficient way (without creating the ATag class
      */
-    override fun addressTag() = ATag.assembleATagId(kind, pubKey, dTag())
+    override fun addressTag() = Address.assemble(kind, pubKey, dTag())
 }

quartz/src/main/java/com/vitorpamplona/quartz/nip01Core/core/BaseReplaceableEvent.kt

@@ -44,7 +44,7 @@ open class BaseReplaceableEvent(
     /**
      * Creates the tag in a memory efficient way (without creating the ATag class
      */
-    override fun addressTag() = ATag.assembleATagId(kind, pubKey, FIXED_D_TAG)
+    override fun addressTag() = Address.assemble(kind, pubKey, dTag())
 
     companion object {
         const val FIXED_D_TAG = ""

quartz/src/main/java/com/vitorpamplona/quartz/nip01Core/tags/addressables/ATag.kt

@@ -34,19 +34,9 @@ data class ATag(
     val kind: Int,
     val pubKeyHex: String,
     val dTag: String,
+    val relay: String? = null,
 ) {
-    var relay: String? = null
-
-    constructor(address: Address) : this(address.kind, address.pubKeyHex, address.dTag)
-
-    constructor(
-        kind: Int,
-        pubKeyHex: HexKey,
-        dTag: String,
-        relayHint: String?,
-    ) : this(kind, pubKeyHex, dTag) {
-        this.relay = relayHint
-    }
+    constructor(address: Address, relayHint: String? = null) : this(address.kind, address.pubKeyHex, address.dTag, relayHint)
 
     fun countMemory(): Long =
         5 * pointerSizeInBytes + // 7 fields, 4 bytes each reference (32bit)
@@ -129,6 +119,9 @@ data class ATag(
         @JvmStatic
         fun parseAddress(tag: Array<String>) = ATagParser.parseAddress(TAG_NAME, tag)
 
+        @JvmStatic
+        fun parseAddressId(tag: Array<String>) = ATagParser.parseAddressId(TAG_NAME, tag)
+
         @JvmStatic
         fun assemble(
             aTagId: HexKey,

quartz/src/main/java/com/vitorpamplona/quartz/nip01Core/tags/addressables/ATagParser.kt

@@ -99,6 +99,15 @@ class ATagParser {
         fun parseAddress(
             tagName: String,
             tag: Array<String>,
+        ): Address? {
+            if (tag.isNotName(tagName, TAG_SIZE)) return null
+            return Address.parse(tag[1])
+        }
+
+        @JvmStatic
+        fun parseAddressId(
+            tagName: String,
+            tag: Array<String>,
         ): String? {
             if (tag.isNotName(tagName, TAG_SIZE)) return null
             return tag[1]

quartz/src/main/java/com/vitorpamplona/quartz/nip01Core/tags/addressables/Address.kt

@@ -26,7 +26,7 @@ import com.vitorpamplona.quartz.utils.Hex
 import com.vitorpamplona.quartz.utils.bytesUsedInMemory
 import com.vitorpamplona.quartz.utils.pointerSizeInBytes
 
-class Address(
+data class Address(
     val kind: Int,
     val pubKeyHex: HexKey,
     val dTag: String,

quartz/src/main/java/com/vitorpamplona/quartz/nip01Core/tags/addressables/EventExt.kt

@@ -34,6 +34,10 @@ fun Event.isTaggedAddressableKind(kind: Int) = tags.isTaggedAddressableKind(kind
 
 fun Event.getTagOfAddressableKind(kind: Int) = tags.getTagOfAddressableKind(kind)
 
+fun Event.taggedATags() = tags.taggedATags()
+
+fun Event.firstTaggedATag() = tags.firstTaggedATag()
+
 fun Event.taggedAddresses() = tags.taggedAddresses()
 
 fun Event.firstTaggedAddress() = tags.firstTaggedAddress()

quartz/src/main/java/com/vitorpamplona/quartz/nip01Core/tags/addressables/TagArrayExt.kt

@@ -29,14 +29,18 @@ fun <R> TagArray.mapTaggedAddress(map: (address: String) -> R) = this.mapValueTa
 
 fun TagArray.firstIsTaggedAddressableNote(addressableNotes: Set<String>) = this.firstNotNullOfOrNull(ATag::parseIfIsIn, addressableNotes)
 
-fun TagArray.isTaggedAddressableNote(idHex: String) = this.any(ATag::isTagged, idHex)
+fun TagArray.isTaggedAddressableNote(addressId: String) = this.any(ATag::isTagged, addressId)
 
-fun TagArray.isTaggedAddressableNotes(idHexes: Set<String>) = this.any(ATag::isIn, idHexes)
+fun TagArray.isTaggedAddressableNotes(addressIds: Set<String>) = this.any(ATag::isIn, addressIds)
 
 fun TagArray.isTaggedAddressableKind(kind: Int) = this.any(ATag::isTaggedWithKind, kind.toString())
 
 fun TagArray.getTagOfAddressableKind(kind: Int) = this.firstNotNullOfOrNull(ATag::parseIfOfKind, kind.toString())
 
-fun TagArray.taggedAddresses() = this.mapNotNull(ATag::parse)
+fun TagArray.taggedATags() = this.mapNotNull(ATag::parse)
 
-fun TagArray.firstTaggedAddress() = this.firstNotNullOfOrNull(ATag::parse)
+fun TagArray.firstTaggedATag() = this.firstNotNullOfOrNull(ATag::parse)
+
+fun TagArray.taggedAddresses() = this.mapNotNull(ATag::parseAddress)
+
+fun TagArray.firstTaggedAddress() = this.firstNotNullOfOrNull(ATag::parseAddress)

quartz/src/main/java/com/vitorpamplona/quartz/nip09Deletions/DeletionEvent.kt

@@ -55,7 +55,7 @@ class DeletionEvent(
 
     fun deleteAddresses() = taggedAddresses()
 
-    fun deleteAddressTags() = tags.mapNotNull(ATag::parseAddress)
+    fun deleteAddressIds() = tags.mapNotNull(ATag::parseAddressId)
 
     companion object {
         const val KIND = 5

quartz/src/main/java/com/vitorpamplona/quartz/nip10Notes/BaseThreadedEvent.kt

@@ -23,7 +23,7 @@ package com.vitorpamplona.quartz.nip10Notes
 import androidx.compose.runtime.Immutable
 import com.vitorpamplona.quartz.nip01Core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.Event
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.taggedAddresses
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.taggedATags
 import com.vitorpamplona.quartz.nip01Core.tags.people.taggedUsers
 import com.vitorpamplona.quartz.nip10Notes.content.findIndexTagsWithEventsOrAddresses
 import com.vitorpamplona.quartz.nip10Notes.content.findIndexTagsWithPeople
@@ -141,7 +141,7 @@ open class BaseThreadedEvent(
         val uncertainRepliesTo = unmarkedReplyTos()
 
         val tagAddresses =
-            taggedAddresses()
+            taggedATags()
                 .filter {
                     it.kind != CommunityDefinitionEvent.KIND && (kind != WikiNoteEvent.KIND || it.kind != WikiNoteEvent.KIND)
                     // removes forks from itself.

quartz/src/main/java/com/vitorpamplona/quartz/nip17Dm/settings/ChatMessageRelayListEvent.kt

@@ -26,6 +26,7 @@ import com.vitorpamplona.quartz.nip01Core.core.BaseReplaceableEvent
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSignerSync
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip31Alts.AltTag
 import com.vitorpamplona.quartz.utils.TimeUtils
 
@@ -50,6 +51,8 @@ class ChatMessageRelayListEvent(
     companion object {
         const val KIND = 10050
 
+        fun createAddress(pubKey: HexKey): Address = Address(KIND, pubKey, FIXED_D_TAG)
+
         fun createAddressATag(pubKey: HexKey): ATag = ATag(KIND, pubKey, FIXED_D_TAG, null)
 
         fun createAddressTag(pubKey: HexKey): String = ATag.assembleATagId(KIND, pubKey, FIXED_D_TAG)

quartz/src/main/java/com/vitorpamplona/quartz/nip19Bech32/entities/NAddress.kt

@@ -75,12 +75,14 @@ data class NAddress(
             kind: Int,
             pubKeyHex: String,
             dTag: String,
-            relay: String?,
+            vararg relays: String?,
         ): String =
             TlvBuilder()
                 .apply {
                     addString(TlvTypes.SPECIAL, dTag)
-                    addStringIfNotNull(TlvTypes.RELAY, relay)
+                    relays.forEach {
+                        addStringIfNotNull(TlvTypes.RELAY, it)
+                    }
                     addHex(TlvTypes.AUTHOR, pubKeyHex)
                     addInt(TlvTypes.KIND, kind)
                 }.build()

quartz/src/main/java/com/vitorpamplona/quartz/nip19Bech32/entities/NEvent.kt

@@ -59,12 +59,14 @@ data class NEvent(
             idHex: String,
             author: String?,
             kind: Int?,
-            relay: String?,
+            vararg relays: String?,
         ): String =
             TlvBuilder()
                 .apply {
                     addHex(TlvTypes.SPECIAL, idHex)
-                    addStringIfNotNull(TlvTypes.RELAY, relay)
+                    relays.forEach {
+                        addStringIfNotNull(TlvTypes.RELAY, it)
+                    }
                     addHexIfNotNull(TlvTypes.AUTHOR, author)
                     addIntIfNotNull(TlvTypes.KIND, kind)
                 }.build()

quartz/src/main/java/com/vitorpamplona/quartz/nip23LongContent/LongTextNoteEvent.kt

@@ -54,7 +54,7 @@ class LongTextNoteEvent(
 
     override fun address() = Address(kind, pubKey, dTag())
 
-    override fun addressTag() = ATag.assembleATagId(kind, pubKey, dTag())
+    override fun addressTag() = Address.assemble(kind, pubKey, dTag())
 
     fun topics() = hashtags()
 

quartz/src/main/java/com/vitorpamplona/quartz/nip30CustomEmoji/selection/EmojiPackSelectionEvent.kt

@@ -28,7 +28,8 @@ import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
 import com.vitorpamplona.quartz.nip01Core.signers.eventUpdate
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
-import com.vitorpamplona.quartz.nip01Core.tags.addressables.taggedAddresses
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.taggedATags
 import com.vitorpamplona.quartz.nip30CustomEmoji.pack.EmojiPackEvent
 import com.vitorpamplona.quartz.nip31Alts.alt
 import com.vitorpamplona.quartz.utils.TimeUtils
@@ -42,13 +43,14 @@ class EmojiPackSelectionEvent(
     content: String,
     sig: HexKey,
 ) : BaseReplaceableEvent(id, pubKey, createdAt, KIND, tags, content, sig) {
-    fun emojiPacks() = taggedAddresses()
+    fun emojiPacks() = taggedATags()
 
     companion object {
         const val KIND = 10030
         const val ALT_DESCRIPTION = "Emoji selection"
+        const val FIXED_D_TAG = ""
 
-        fun createAddressATag(pubKey: HexKey) = ATag(KIND, pubKey, FIXED_D_TAG, null)
+        fun createAddress(pubKey: HexKey) = Address(KIND, pubKey, FIXED_D_TAG)
 
         fun createAddressTag(pubKey: HexKey) = ATag.assembleATagId(KIND, pubKey, FIXED_D_TAG)
 

quartz/src/main/java/com/vitorpamplona/quartz/nip34Git/issue/GitIssueEvent.kt

@@ -43,7 +43,9 @@ class GitIssueEvent(
     content: String,
     sig: HexKey,
 ) : BaseThreadedEvent(id, pubKey, createdAt, KIND, tags, content, sig) {
-    fun repositoryHex() = tags.firstNotNullOfOrNull(ATag::parseAddress)
+    fun repositoryHex() = tags.firstNotNullOfOrNull(ATag::parseAddressId)
+
+    fun repositoryAddress() = tags.firstNotNullOfOrNull(ATag::parseAddress)
 
     fun repository() = tags.firstNotNullOfOrNull(ATag::parse)
 

quartz/src/main/java/com/vitorpamplona/quartz/nip34Git/patch/GitPatchEvent.kt

@@ -25,6 +25,7 @@ import com.vitorpamplona.quartz.nip01Core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip31Alts.AltTag
 import com.vitorpamplona.quartz.utils.TimeUtils
 
@@ -43,6 +44,15 @@ class GitPatchEvent(
 
     private fun repositoryHex() = innerRepository()?.getOrNull(1)
 
+    fun repositoryAddress() =
+        innerRepository()?.let {
+            if (it.size > 1) {
+                Address.parse(it[1])
+            } else {
+                null
+            }
+        }
+
     fun repository() =
         innerRepository()?.let {
             if (it.size > 1) {

quartz/src/main/java/com/vitorpamplona/quartz/nip34Git/reply/GitReplyEvent.kt

@@ -44,7 +44,7 @@ class GitReplyEvent(
     content: String,
     sig: HexKey,
 ) : BaseThreadedEvent(id, pubKey, createdAt, KIND, tags, content, sig) {
-    fun repositoryHex() = tags.firstNotNullOfOrNull(ATag::parseAddress)
+    fun repositoryHex() = tags.firstNotNullOfOrNull(ATag::parseAddressId)
 
     fun repository() = tags.firstNotNullOfOrNull(ATag::parse)
 

quartz/src/main/java/com/vitorpamplona/quartz/nip50Search/SearchRelayListEvent.kt

@@ -26,6 +26,7 @@ import com.vitorpamplona.quartz.nip01Core.core.BaseReplaceableEvent
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSignerSync
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip31Alts.AltTag
 import com.vitorpamplona.quartz.utils.TimeUtils
 
@@ -50,6 +51,8 @@ class SearchRelayListEvent(
     companion object {
         const val KIND = 10007
 
+        fun createAddress(pubKey: HexKey): Address = Address(KIND, pubKey, FIXED_D_TAG)
+
         fun createAddressATag(pubKey: HexKey): ATag = ATag(KIND, pubKey, FIXED_D_TAG, null)
 
         fun createAddressTag(pubKey: HexKey): String = ATag.assembleATagId(KIND, pubKey, FIXED_D_TAG)

quartz/src/main/java/com/vitorpamplona/quartz/nip51Lists/GeneralListEvent.kt

@@ -26,6 +26,7 @@ import com.vitorpamplona.quartz.nip01Core.core.isTagged
 import com.vitorpamplona.quartz.nip01Core.jackson.EventMapper
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip01Core.tags.events.taggedEvents
 import com.vitorpamplona.quartz.nip01Core.tags.geohash.geohashes
 import com.vitorpamplona.quartz.nip01Core.tags.people.taggedUserIds
@@ -113,9 +114,14 @@ abstract class GeneralListEvent(
         onReady: (List<String>) -> Unit,
     ) = privateTags(signer) { onReady(filterEvents(it)) }
 
-    fun privateTaggedAddresses(
+    fun privateATags(
         signer: NostrSigner,
         onReady: (List<ATag>) -> Unit,
+    ) = privateTags(signer) { onReady(filterATags(it)) }
+
+    fun privateAddress(
+        signer: NostrSigner,
+        onReady: (List<Address>) -> Unit,
     ) = privateTags(signer) { onReady(filterAddresses(it)) }
 
     fun filterUsers(tags: Array<Array<String>>): List<String> = tags.filter { it.size > 1 && it[0] == "p" }.map { it[1] }
@@ -126,15 +132,9 @@ abstract class GeneralListEvent(
 
     fun filterEvents(tags: Array<Array<String>>): List<String> = tags.filter { it.size > 1 && it[0] == "e" }.map { it[1] }
 
-    fun filterAddresses(tags: Array<Array<String>>): List<ATag> =
-        tags
-            .filter { it.firstOrNull() == "a" }
-            .mapNotNull {
-                val aTagValue = it.getOrNull(1)
-                val relay = it.getOrNull(2)
+    fun filterATags(tags: Array<Array<String>>): List<ATag> = tags.mapNotNull(ATag::parse)
 
-                if (aTagValue != null) ATag.parse(aTagValue, relay) else null
-            }
+    fun filterAddresses(tags: Array<Array<String>>): List<Address> = tags.mapNotNull(ATag::parseAddress)
 
     companion object {
         fun createPrivateTags(

quartz/src/main/java/com/vitorpamplona/quartz/nip51Lists/MuteListEvent.kt

@@ -22,8 +22,8 @@ package com.vitorpamplona.quartz.nip51Lists
 
 import androidx.compose.runtime.Immutable
 import com.vitorpamplona.quartz.nip01Core.HexKey
-import com.vitorpamplona.quartz.nip01Core.core.BaseReplaceableEvent.Companion.FIXED_D_TAG
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip31Alts.AltTag
 import com.vitorpamplona.quartz.utils.TimeUtils
 import com.vitorpamplona.quartz.utils.bytesUsedInMemory
@@ -77,8 +77,11 @@ class MuteListEvent(
 
     companion object {
         const val KIND = 10000
+        const val FIXED_D_TAG = ""
         const val ALT = "Mute List"
 
+        fun createAddress(pubKey: HexKey) = Address(KIND, pubKey, FIXED_D_TAG)
+
         fun blockListFor(pubKeyHex: HexKey): String = "10000:$pubKeyHex:"
 
         fun createListWithTag(

quartz/src/main/java/com/vitorpamplona/quartz/nip51Lists/PeopleListEvent.kt

@@ -23,6 +23,7 @@ package com.vitorpamplona.quartz.nip51Lists
 import androidx.compose.runtime.Immutable
 import com.vitorpamplona.quartz.nip01Core.HexKey
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip31Alts.AltTag
 import com.vitorpamplona.quartz.utils.TimeUtils
 import com.vitorpamplona.quartz.utils.bytesUsedInMemory
@@ -127,6 +128,8 @@ class PeopleListEvent(
         const val BLOCK_LIST_D_TAG = "mute"
         const val ALT = "List of people"
 
+        fun createBlockAddress(pubKey: HexKey) = Address(KIND, pubKey, BLOCK_LIST_D_TAG)
+
         fun blockListFor(pubKeyHex: HexKey): String = "30000:$pubKeyHex:$BLOCK_LIST_D_TAG"
 
         fun createListWithTag(

quartz/src/main/java/com/vitorpamplona/quartz/nip53LiveActivities/chat/LiveActivitiesChatMessageEvent.kt

@@ -39,10 +39,12 @@ class LiveActivitiesChatMessageEvent(
     content: String,
     sig: HexKey,
 ) : BaseThreadedEvent(id, pubKey, createdAt, KIND, tags, content, sig) {
-    private fun activityHex() = tags.firstNotNullOfOrNull(ATag::parseAddress)
+    private fun activityHex() = tags.firstNotNullOfOrNull(ATag::parseAddressId)
 
     fun activity() = tags.firstNotNullOfOrNull(ATag::parse)
 
+    fun activityAddress() = tags.firstNotNullOfOrNull(ATag::parseAddress)
+
     override fun markedReplyTos() = super.markedReplyTos().minus(activityHex() ?: "")
 
     override fun unmarkedReplyTos() = super.markedReplyTos().minus(activityHex() ?: "")

quartz/src/main/java/com/vitorpamplona/quartz/nip54Wiki/WikiNoteEvent.kt

@@ -48,7 +48,7 @@ class WikiNoteEvent(
 
     override fun address() = Address(kind, pubKey, dTag())
 
-    override fun addressTag() = ATag.assembleATagId(kind, pubKey, dTag())
+    override fun addressTag() = Address.assemble(kind, pubKey, dTag())
 
     fun topics() = hashtags()
 

quartz/src/main/java/com/vitorpamplona/quartz/nip58Badges/BadgeProfilesEvent.kt

@@ -24,6 +24,7 @@ import androidx.compose.runtime.Immutable
 import com.vitorpamplona.quartz.nip01Core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.BaseAddressableEvent
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.taggedAddresses
 import com.vitorpamplona.quartz.nip01Core.tags.events.taggedEvents
 
@@ -45,6 +46,8 @@ class BadgeProfilesEvent(
         private const val STANDARD_D_TAG = "profile_badges"
         private const val ALT = "List of accepted badges by the author"
 
+        fun createAddress(pubKey: HexKey): Address = Address(KIND, pubKey, STANDARD_D_TAG)
+
         fun createAddressTag(pubKey: HexKey): ATag = ATag(KIND, pubKey, STANDARD_D_TAG, null)
     }
 }

quartz/src/main/java/com/vitorpamplona/quartz/nip65RelayList/AdvertisedRelayListEvent.kt

@@ -26,6 +26,7 @@ import com.vitorpamplona.quartz.nip01Core.core.BaseReplaceableEvent
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSignerSync
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip31Alts.AltTag
 import com.vitorpamplona.quartz.utils.TimeUtils
 
@@ -85,6 +86,8 @@ class AdvertisedRelayListEvent(
         const val KIND = 10002
         const val ALT = "Relay list to discover the user's content"
 
+        fun createAddress(pubKey: HexKey): Address = Address(KIND, pubKey, FIXED_D_TAG)
+
         fun createAddressATag(pubKey: HexKey): ATag = ATag(KIND, pubKey, FIXED_D_TAG, null)
 
         fun createAddressTag(pubKey: HexKey): String = ATag.assembleATagId(KIND, pubKey, FIXED_D_TAG)

quartz/src/main/java/com/vitorpamplona/quartz/nip72ModCommunities/approval/CommunityPostApprovalEvent.kt

@@ -27,6 +27,7 @@ import com.vitorpamplona.quartz.nip01Core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.taggedATags
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.taggedAddresses
 import com.vitorpamplona.quartz.nip01Core.tags.events.taggedEvents
 import com.vitorpamplona.quartz.nip01Core.tags.kinds.kind
@@ -54,10 +55,14 @@ class CommunityPostApprovalEvent(
             null
         }
 
-    fun communities() = taggedAddresses().filter { it.kind == CommunityDefinitionEvent.KIND }
+    fun communities() = taggedATags().filter { it.kind == CommunityDefinitionEvent.KIND }
+
+    fun communityAddresses() = taggedAddresses().filter { it.kind == CommunityDefinitionEvent.KIND }
 
     fun approvedEvents() = taggedEvents()
 
+    fun approvedATags() = taggedATags().filter { it.kind != CommunityDefinitionEvent.KIND }
+
     fun approvedAddresses() = taggedAddresses().filter { it.kind != CommunityDefinitionEvent.KIND }
 
     companion object {

quartz/src/main/java/com/vitorpamplona/quartz/nip78AppData/AppSpecificDataEvent.kt

@@ -24,6 +24,7 @@ import com.vitorpamplona.quartz.nip01Core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.BaseAddressableEvent
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip31Alts.AltTag
 import com.vitorpamplona.quartz.utils.TimeUtils
 
@@ -39,6 +40,11 @@ class AppSpecificDataEvent(
         const val KIND = 30078
         const val ALT = "Arbitrary app data"
 
+        fun createAddress(
+            pubKey: HexKey,
+            dTag: String,
+        ) = Address(KIND, pubKey, dTag)
+
         fun createTag(
             pubkey: HexKey,
             dTag: String,

quartz/src/main/java/com/vitorpamplona/quartz/nip84Highlights/HighlightEvent.kt

@@ -23,6 +23,7 @@ package com.vitorpamplona.quartz.nip84Highlights
 import androidx.compose.runtime.Immutable
 import com.vitorpamplona.quartz.nip01Core.HexKey
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.firstTaggedATag
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.firstTaggedAddress
 import com.vitorpamplona.quartz.nip01Core.tags.events.firstTaggedEvent
 import com.vitorpamplona.quartz.nip01Core.tags.people.firstTaggedUser
@@ -49,7 +50,9 @@ class HighlightEvent(
 
     fun context() = tags.firstNotNullOfOrNull(ContextTag::parse)
 
-    fun inPost() = firstTaggedAddress()
+    fun inPost() = firstTaggedATag()
+
+    fun inPostAddress() = firstTaggedAddress()
 
     fun inPostVersion() = firstTaggedEvent()
 

quartz/src/main/java/com/vitorpamplona/quartz/nip96FileStorage/config/FileServersEvent.kt

@@ -26,6 +26,7 @@ import com.vitorpamplona.quartz.nip01Core.core.BaseReplaceableEvent
 import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.ATag
+import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import com.vitorpamplona.quartz.nip31Alts.alt
 import com.vitorpamplona.quartz.nip96FileStorage.config.tags.ServerTag
 import com.vitorpamplona.quartz.utils.TimeUtils
@@ -45,6 +46,8 @@ class FileServersEvent(
         const val KIND = 10096
         const val ALT_DESCRIPTOR = "File servers used by the author"
 
+        fun createAddress(pubKey: HexKey): Address = Address(KIND, pubKey, FIXED_D_TAG)
+
         fun createAddressATag(pubKey: HexKey): ATag = ATag(KIND, pubKey, FIXED_D_TAG, null)
 
         fun createAddressTag(pubKey: HexKey): String = ATag.assembleATagId(KIND, pubKey, FIXED_D_TAG)