- Finishes the transition to EventHint objects for building events.

- Removes the "a-tag" dependency on Addressable interface because the `a` can have different names in different objects.

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

@@ -529,13 +529,12 @@ class Account(
         if (!signer.isWriteable()) return null
         if (note.hasReacted(userProfile(), reaction)) return null
 
-        val noteEvent = note.event ?: return null
+        val eventHint = note.toEventHint<Event>() ?: return null
 
         // For NIP-17 private groups, we don't support tracked mode (too complex)
-        if (noteEvent is NIP17Group) return null
+        if (eventHint.event is NIP17Group) return null
 
-        val relayHint = note.relays.firstOrNull()?.url
-        val event = ReactionAction.reactTo(noteEvent, reaction, signer, relayHint)
+        val event = ReactionAction.reactTo(eventHint, reaction, signer)
         val relays = computeRelayListToBroadcast(event)
 
         return event to relays
@@ -1360,19 +1359,15 @@ class Account(
     }
 
     suspend fun createInteractiveStoryReadingState(
-        root: InteractiveStoryBaseEvent,
-        rootRelay: NormalizedRelayUrl?,
-        readingScene: InteractiveStoryBaseEvent,
-        readingSceneRelay: NormalizedRelayUrl?,
+        root: EventHintBundle<InteractiveStoryBaseEvent>,
+        readingScene: EventHintBundle<InteractiveStoryBaseEvent>,
     ) {
         if (!isWriteable()) return
 
         val template =
             InteractiveStoryReadingStateEvent.build(
                 root = root,
-                rootRelay = rootRelay,
                 currentScene = readingScene,
-                currentSceneRelay = readingSceneRelay,
             )
 
         val event = signer.sign(template)
@@ -1391,8 +1386,7 @@ class Account(
 
     suspend fun updateInteractiveStoryReadingState(
         readingState: InteractiveStoryReadingStateEvent,
-        readingScene: InteractiveStoryBaseEvent,
-        readingSceneRelay: NormalizedRelayUrl?,
+        readingScene: EventHintBundle<InteractiveStoryBaseEvent>,
     ) {
         if (!isWriteable()) return
 
@@ -1400,7 +1394,6 @@ class Account(
             InteractiveStoryReadingStateEvent.update(
                 base = readingState,
                 currentScene = readingScene,
-                currentSceneRelay = readingSceneRelay,
             )
 
         val event = signer.sign(template)

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

@@ -61,7 +61,6 @@ import com.vitorpamplona.quartz.experimental.trustedAssertions.list.TrustProvide
 import com.vitorpamplona.quartz.experimental.zapPolls.PollNoteEvent
 import com.vitorpamplona.quartz.nip01Core.core.Address
 import com.vitorpamplona.quartz.nip01Core.core.AddressableEvent
-import com.vitorpamplona.quartz.nip01Core.core.BaseAddressableEvent
 import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.isAddressable
@@ -420,18 +419,18 @@ object LocalCache : ILocalCache, ICacheProvider {
         return null
     }
 
-    override fun checkGetOrCreateNote(key: String): Note? {
-        if (ATag.isATag(key)) {
-            return checkGetOrCreateAddressableNote(key)
+    override fun checkGetOrCreateNote(hexKey: String): Note? {
+        if (ATag.isATag(hexKey)) {
+            return checkGetOrCreateAddressableNote(hexKey)
         }
-        if (isValidHex(key)) {
-            val note = getOrCreateNote(key)
+        if (isValidHex(hexKey)) {
+            val note = getOrCreateNote(hexKey)
             val noteEvent = note.event
             return if (noteEvent is AddressableEvent) {
                 // upgrade to the latest
-                val newNote = checkGetOrCreateAddressableNote(noteEvent.aTag().toTag())
+                val newNote = getOrCreateAddressableNote(noteEvent.address())
 
-                if (newNote != null && newNote.event == null) {
+                if (newNote.event == null) {
                     val author = note.author ?: getOrCreateUser(noteEvent.pubKey)
                     newNote.loadEvent(noteEvent as Event, author, emptyList())
                     note.moveAllReferencesTo(newNote)
@@ -1407,10 +1406,13 @@ object LocalCache : ILocalCache, ICacheProvider {
     ) = consumeBaseReplaceable(event, relay, wasVerified)
 
     private fun consumeBaseReplaceable(
-        event: BaseAddressableEvent,
+        event: Event,
         relay: NormalizedRelayUrl?,
         wasVerified: Boolean,
     ): Boolean {
+        // TODO: Redo the Event sctructure in Quartz to avoid this check
+        check(event is AddressableEvent) { "Event must be addressable: ${event.kind}" }
+
         val version = getOrCreateNote(event.id)
         val replaceableNote = getOrCreateAddressableNote(event.address())
         val author = getOrCreateUser(event.pubKey)
@@ -2767,7 +2769,7 @@ object LocalCache : ILocalCache, ICacheProvider {
 
         note?.event?.let { noteEvent ->
             if (noteEvent is AddressableEvent) {
-                getAddressableNoteIfExists(noteEvent.aTag().toTag())?.addRelay(relay)
+                getAddressableNoteIfExists(noteEvent.address())?.addRelay(relay)
             }
         }
 

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/navigation/routes/RouteMaker.kt

@@ -143,7 +143,7 @@ fun routeForInner(
         }
 
         is AddressableEvent -> {
-            Route.Note(noteEvent.aTag().toTag())
+            Route.Note(noteEvent.addressTag())
         }
 
         else -> {

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

@@ -61,12 +61,13 @@ fun RenderInteractiveStory(
     accountViewModel: AccountViewModel,
     nav: INav,
 ) {
-    val baseRootEvent = baseNote.event as? InteractiveStoryBaseEvent ?: return
+    val baseRootEvent = baseNote.toEventHint<InteractiveStoryBaseEvent>() ?: return
     val address = baseNote.address() ?: return
 
     // keep updating the root event with new versions
     val note = observeNote(baseNote, accountViewModel)
-    val rootEvent = note.value?.note?.event as? InteractiveStoryBaseEvent ?: return
+    val rootHint = note.value.note.toEventHint<InteractiveStoryBaseEvent>() ?: return
+    val rootEvent = rootHint.event
 
     // keep updating the reading state event with new versions
     val readingStateNote = accountViewModel.getInteractiveStoryReadingState(address.toValue())
@@ -83,11 +84,11 @@ fun RenderInteractiveStory(
                     RenderInteractiveStory(
                         section = it,
                         onSelect = {
-                            val event = it.event as? InteractiveStoryBaseEvent ?: return@RenderInteractiveStory
-                            accountViewModel.updateInteractiveStoryReadingState(baseRootEvent, event)
+                            val eventHint = it.toEventHint<InteractiveStoryBaseEvent>() ?: return@RenderInteractiveStory
+                            accountViewModel.updateInteractiveStoryReadingState(baseRootEvent, eventHint)
                         },
                         onRestart = {
-                            accountViewModel.updateInteractiveStoryReadingState(baseRootEvent, rootEvent)
+                            accountViewModel.updateInteractiveStoryReadingState(baseRootEvent, rootHint)
                         },
                         makeItShort = makeItShort,
                         canPreview = canPreview,
@@ -103,11 +104,11 @@ fun RenderInteractiveStory(
         RenderInteractiveStory(
             section = rootEvent,
             onSelect = {
-                val event = it.event as? InteractiveStoryBaseEvent ?: return@RenderInteractiveStory
-                accountViewModel.updateInteractiveStoryReadingState(baseRootEvent, event)
+                val eventHint = it.toEventHint<InteractiveStoryBaseEvent>() ?: return@RenderInteractiveStory
+                accountViewModel.updateInteractiveStoryReadingState(baseRootEvent, eventHint)
             },
             onRestart = {
-                accountViewModel.updateInteractiveStoryReadingState(baseRootEvent, rootEvent)
+                accountViewModel.updateInteractiveStoryReadingState(baseRootEvent, rootHint)
             },
             makeItShort = makeItShort,
             canPreview = canPreview,

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

@@ -91,6 +91,7 @@ import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.toHexKey
 import com.vitorpamplona.quartz.nip01Core.crypto.KeyPair
+import com.vitorpamplona.quartz.nip01Core.hints.EventHintBundle
 import com.vitorpamplona.quartz.nip01Core.relay.client.EmptyNostrClient
 import com.vitorpamplona.quartz.nip01Core.relay.client.accessories.RelayOfflineTracker
 import com.vitorpamplona.quartz.nip01Core.relay.client.auth.EmptyIAuthStatus
@@ -1480,21 +1481,17 @@ class AccountViewModel(
     fun getInteractiveStoryReadingState(dATag: String): AddressableNote = LocalCache.getOrCreateAddressableNote(InteractiveStoryReadingStateEvent.createAddress(account.signer.pubKey, dATag))
 
     fun updateInteractiveStoryReadingState(
-        root: InteractiveStoryBaseEvent,
-        readingScene: InteractiveStoryBaseEvent,
+        rootHint: EventHintBundle<InteractiveStoryBaseEvent>,
+        readingSceneHint: EventHintBundle<InteractiveStoryBaseEvent>,
     ) {
         launchSigner {
-            val sceneNoteRelayHint = LocalCache.getOrCreateAddressableNote(readingScene.address()).relayHintUrl()
-
-            val readingState = getInteractiveStoryReadingState(root.addressTag())
+            val readingState = getInteractiveStoryReadingState(rootHint.event.addressTag())
             val readingStateEvent = readingState.event as? InteractiveStoryReadingStateEvent
 
             if (readingStateEvent != null) {
-                account.updateInteractiveStoryReadingState(readingStateEvent, readingScene, sceneNoteRelayHint)
+                account.updateInteractiveStoryReadingState(readingStateEvent, readingSceneHint)
             } else {
-                val rootNoteRelayHint = LocalCache.getOrCreateAddressableNote(root.address()).relayHintUrl()
-
-                account.createInteractiveStoryReadingState(root, rootNoteRelayHint, readingScene, sceneNoteRelayHint)
+                account.createInteractiveStoryReadingState(rootHint, readingSceneHint)
             }
         }
     }

commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/model/nip18Reposts/RepostAction.kt

@@ -22,7 +22,7 @@ package com.vitorpamplona.amethyst.commons.model.nip18Reposts
 
 import com.vitorpamplona.amethyst.commons.model.Note
 import com.vitorpamplona.quartz.nip01Core.core.Event
-import com.vitorpamplona.quartz.nip01Core.relay.normalizer.RelayUrlNormalizer
+import com.vitorpamplona.quartz.nip01Core.hints.EventHintBundle
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip18Reposts.GenericRepostEvent
 import com.vitorpamplona.quartz.nip18Reposts.RepostEvent
@@ -35,34 +35,26 @@ object RepostAction {
     /**
      * Creates a signed repost event.
      *
-     * @param event The event to repost
+     * @param eventHint The event to repost
      * @param signer The NostrSigner to sign the event
-     * @param noteHint Optional relay hint where the note was seen
-     * @param authorHint Optional relay hint for the author's outbox
      * @return Signed repost event ready to broadcast
      * @throws IllegalStateException if signer is not writeable
      */
     suspend fun repost(
-        event: Event,
+        eventHint: EventHintBundle<Event>,
         signer: NostrSigner,
-        noteHint: String? = null,
-        authorHint: String? = null,
     ): Event {
         if (!signer.isWriteable()) {
             throw IllegalStateException("Cannot repost: signer is not writeable")
         }
 
-        // Normalize relay hints
-        val normalizedNoteHint = noteHint?.let { RelayUrlNormalizer.normalizeOrNull(it) }
-        val normalizedAuthorHint = authorHint?.let { RelayUrlNormalizer.normalizeOrNull(it) }
-
         // Use NIP-18 RepostEvent (kind 6) for text notes (kind 1)
         // Use GenericRepostEvent (kind 16) for all other kinds
         val template =
-            if (event.kind == 1) {
-                RepostEvent.build(event, normalizedNoteHint, normalizedAuthorHint)
+            if (eventHint.event.kind == 1) {
+                RepostEvent.build(eventHint)
             } else {
-                GenericRepostEvent.build(event, normalizedNoteHint, normalizedAuthorHint)
+                GenericRepostEvent.build(eventHint)
             }
 
         return signer.sign(template)
@@ -86,10 +78,8 @@ object RepostAction {
         if (!signer.isWriteable()) return null
         if (note.hasBoostedInTheLast5Minutes(signer.pubKey)) return null
 
-        val noteEvent = note.event ?: return null
-        val noteHint = note.relayHintUrl()?.url
-        val authorHint = note.author?.bestRelayHint()?.url
+        val hint = note.toEventHint<Event>() ?: return null
 
-        return repost(noteEvent, signer, noteHint, authorHint)
+        return repost(hint, signer)
     }
 }

commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/model/nip25Reactions/ReactionAction.kt

@@ -24,7 +24,6 @@ import com.vitorpamplona.amethyst.commons.model.Note
 import com.vitorpamplona.amethyst.commons.model.User
 import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.hints.EventHintBundle
-import com.vitorpamplona.quartz.nip01Core.relay.normalizer.RelayUrlNormalizer
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip17Dm.NIP17Factory
 import com.vitorpamplona.quartz.nip17Dm.base.NIP17Group
@@ -49,18 +48,14 @@ object ReactionAction {
      * @throws IllegalStateException if signer is not writeable
      */
     suspend fun reactTo(
-        event: Event,
+        eventHint: EventHintBundle<Event>,
         reaction: String,
         signer: NostrSigner,
-        relayHint: String? = null,
     ): ReactionEvent {
         if (!signer.isWriteable()) {
             throw IllegalStateException("Cannot react: signer is not writeable")
         }
 
-        val normalizedRelayHint = relayHint?.let { RelayUrlNormalizer.normalizeOrNull(it) }
-        val eventHint = EventHintBundle(event, normalizedRelayHint)
-
         // Handle custom emoji reactions (format: ":emoji_name:")
         val template =
             if (reaction.startsWith(":")) {
@@ -82,10 +77,9 @@ object ReactionAction {
      * Creates a "like" reaction ("+").
      */
     suspend fun like(
-        event: Event,
+        event: EventHintBundle<Event>,
         signer: NostrSigner,
-        relayHint: String? = null,
-    ): ReactionEvent = reactTo(event, "+", signer, relayHint)
+    ): ReactionEvent = reactTo(event, "+", signer)
 
     /**
      * Advanced: React to an event with support for NIP-17 private groups.
@@ -102,7 +96,6 @@ object ReactionAction {
      * @param onPrivate Callback for private group reactions (returns NIP17Factory.Result)
      */
     suspend fun reactToWithGroupSupport(
-        event: Event,
         eventHint: EventHintBundle<Event>,
         reaction: String,
         signer: NostrSigner,
@@ -113,6 +106,8 @@ object ReactionAction {
             throw IllegalStateException("Cannot react: signer is not writeable")
         }
 
+        val event = eventHint.event
+
         // Check if this is a NIP-17 private group event
         if (event is NIP17Group) {
             val users = event.groupMembers().toList()
@@ -185,9 +180,8 @@ object ReactionAction {
         if (!signer.isWriteable()) return
         if (note.hasReacted(by, reaction)) return
 
-        val noteEvent = note.event ?: return
         val eventHint = note.toEventHint<Event>() ?: return
 
-        reactToWithGroupSupport(noteEvent, eventHint, reaction, signer, onPublic, onPrivate)
+        reactToWithGroupSupport(eventHint, reaction, signer, onPublic, onPrivate)
     }
 }

desktopApp/src/jvmMain/kotlin/com/vitorpamplona/amethyst/desktop/ui/NoteActions.kt

@@ -70,6 +70,7 @@ import com.vitorpamplona.amethyst.desktop.cache.DesktopLocalCache
 import com.vitorpamplona.amethyst.desktop.network.DesktopRelayConnectionManager
 import com.vitorpamplona.amethyst.desktop.nwc.NwcPaymentHandler
 import com.vitorpamplona.quartz.nip01Core.core.Event
+import com.vitorpamplona.quartz.nip01Core.hints.EventHintBundle
 import com.vitorpamplona.quartz.nip01Core.metadata.MetadataEvent
 import com.vitorpamplona.quartz.nip01Core.relay.client.reqs.IRequestListener
 import com.vitorpamplona.quartz.nip01Core.relay.filters.Filter
@@ -538,7 +539,8 @@ fun NoteActionsRow(
                     if (!isLiked) {
                         scope.launch {
                             reactToNote(
-                                event = event,
+                                // TODO: Bring a hint to where the event came from
+                                event = EventHintBundle(event, null),
                                 reaction = "+",
                                 account = account,
                                 relayManager = relayManager,
@@ -578,7 +580,8 @@ fun NoteActionsRow(
                     if (!isReposted) {
                         scope.launch {
                             repostNote(
-                                event = event,
+                                // TODO: Bring a hint to where the event came from
+                                event = EventHintBundle(event, null),
                                 account = account,
                                 relayManager = relayManager,
                             )
@@ -808,7 +811,7 @@ fun NoteActionsRow(
  * Creates a reaction event and broadcasts to relays.
  */
 private suspend fun reactToNote(
-    event: Event,
+    event: EventHintBundle<Event>,
     reaction: String,
     account: AccountState.LoggedIn,
     relayManager: DesktopRelayConnectionManager,
@@ -893,7 +896,7 @@ private suspend fun removeBookmark(
  * Creates a repost event and broadcasts to relays.
  */
 private suspend fun repostNote(
-    event: Event,
+    event: EventHintBundle<Event>,
     account: AccountState.LoggedIn,
     relayManager: DesktopRelayConnectionManager,
 ) {

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/experimental/interactiveStories/InteractiveStoryReadingStateEvent.kt

@@ -28,7 +28,7 @@ import com.vitorpamplona.quartz.nip01Core.core.BaseAddressableEvent
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
 import com.vitorpamplona.quartz.nip01Core.core.builder
-import com.vitorpamplona.quartz.nip01Core.relay.normalizer.NormalizedRelayUrl
+import com.vitorpamplona.quartz.nip01Core.hints.EventHintBundle
 import com.vitorpamplona.quartz.nip01Core.signers.EventTemplate
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
 import com.vitorpamplona.quartz.nip01Core.tags.aTag.ATag
@@ -83,17 +83,16 @@ class InteractiveStoryReadingStateEvent(
 
         fun update(
             base: InteractiveStoryReadingStateEvent,
-            currentScene: InteractiveStoryBaseEvent,
-            currentSceneRelay: NormalizedRelayUrl?,
+            currentScene: EventHintBundle<InteractiveStoryBaseEvent>,
             createdAt: Long = TimeUtils.now(),
         ): EventTemplate<InteractiveStoryReadingStateEvent> {
             val rootTag = base.dTag()
-            val sceneTag = currentScene.aTag(currentSceneRelay)
+            val sceneTag = ATag(currentScene.event.address(), currentScene.relay)
 
             val status =
                 if (rootTag == sceneTag.toTag()) {
                     ReadStatusTag.STATUS.NEW
-                } else if (currentScene.options().isEmpty()) {
+                } else if (currentScene.event.options().isEmpty()) {
                     ReadStatusTag.STATUS.DONE
                 } else {
                     ReadStatusTag.STATUS.READING
@@ -109,34 +108,32 @@ class InteractiveStoryReadingStateEvent(
         }
 
         fun build(
-            root: InteractiveStoryBaseEvent,
-            rootRelay: NormalizedRelayUrl?,
-            currentScene: InteractiveStoryBaseEvent,
-            currentSceneRelay: NormalizedRelayUrl?,
+            root: EventHintBundle<InteractiveStoryBaseEvent>,
+            currentScene: EventHintBundle<InteractiveStoryBaseEvent>,
             createdAt: Long = TimeUtils.now(),
             initializer: TagArrayBuilder<InteractiveStoryReadingStateEvent>.() -> Unit = {},
         ) = eventTemplate(KIND, "", createdAt) {
-            val rootTag = root.aTag(rootRelay)
-            val sceneTag = currentScene.aTag(currentSceneRelay)
+            val rootTag = ATag(root.event.address(), root.relay)
+            val sceneTag = ATag(currentScene.event.address(), currentScene.relay)
             val status =
                 if (rootTag == sceneTag) {
                     ReadStatusTag.STATUS.NEW
-                } else if (currentScene.options().isEmpty()) {
+                } else if (currentScene.event.options().isEmpty()) {
                     ReadStatusTag.STATUS.DONE
                 } else {
                     ReadStatusTag.STATUS.READING
                 }
 
             dTag(rootTag.toTag())
-            alt(root.title()?.let { ALT2 + it } ?: ALT1)
+            alt(root.event.title()?.let { ALT2 + it } ?: ALT1)
 
             rootScene(rootTag)
             currentScene(sceneTag)
             status(status)
 
-            root.title()?.let { storyTitle(it) }
-            root.summary()?.let { storyImage(it) }
-            root.image()?.let { storySummary(it) }
+            root.event.title()?.let { storyTitle(it) }
+            root.event.summary()?.let { storyImage(it) }
+            root.event.image()?.let { storySummary(it) }
 
             initializer()
         }

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/experimental/nipsOnNostr/NipTextEvent.kt

@@ -32,7 +32,6 @@ import com.vitorpamplona.quartz.nip01Core.hints.AddressHintProvider
 import com.vitorpamplona.quartz.nip01Core.hints.EventHintProvider
 import com.vitorpamplona.quartz.nip01Core.hints.types.AddressHint
 import com.vitorpamplona.quartz.nip01Core.hints.types.EventIdHint
-import com.vitorpamplona.quartz.nip01Core.relay.normalizer.NormalizedRelayUrl
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
 import com.vitorpamplona.quartz.nip01Core.tags.aTag.ATag
 import com.vitorpamplona.quartz.nip01Core.tags.dTag.dTag
@@ -71,8 +70,6 @@ class NipTextEvent(
 
     override fun dTag() = tags.dTag()
 
-    override fun aTag(relayHint: NormalizedRelayUrl?) = ATag(kind, pubKey, dTag(), relayHint)
-
     override fun address() = Address(kind, pubKey, dTag())
 
     override fun addressTag() = Address.assemble(kind, pubKey, dTag())

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/core/AddressableEvent.kt

@@ -21,15 +21,11 @@
 package com.vitorpamplona.quartz.nip01Core.core
 
 import androidx.compose.runtime.Immutable
-import com.vitorpamplona.quartz.nip01Core.relay.normalizer.NormalizedRelayUrl
-import com.vitorpamplona.quartz.nip01Core.tags.aTag.ATag
 
 @Immutable
 interface AddressableEvent : IEvent {
     fun dTag(): String
 
-    fun aTag(relayHint: NormalizedRelayUrl? = null): ATag
-
     fun address(): Address
 
     fun addressTag(): String

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/core/BaseAddressableEvent.kt

@@ -21,8 +21,6 @@
 package com.vitorpamplona.quartz.nip01Core.core
 
 import androidx.compose.runtime.Immutable
-import com.vitorpamplona.quartz.nip01Core.relay.normalizer.NormalizedRelayUrl
-import com.vitorpamplona.quartz.nip01Core.tags.aTag.ATag
 import com.vitorpamplona.quartz.nip01Core.tags.dTag.dTag
 
 @Immutable
@@ -38,8 +36,6 @@ open class BaseAddressableEvent(
     AddressableEvent {
     override fun dTag() = tags.dTag()
 
-    override fun aTag(relayHint: NormalizedRelayUrl?) = ATag(kind, pubKey, dTag(), relayHint)
-
     override fun address() = Address(kind, pubKey, dTag())
 
     /**

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/core/BaseReplaceableEvent.kt

@@ -21,8 +21,6 @@
 package com.vitorpamplona.quartz.nip01Core.core
 
 import androidx.compose.runtime.Immutable
-import com.vitorpamplona.quartz.nip01Core.relay.normalizer.NormalizedRelayUrl
-import com.vitorpamplona.quartz.nip01Core.tags.aTag.ATag
 
 @Immutable
 open class BaseReplaceableEvent(
@@ -33,11 +31,10 @@ open class BaseReplaceableEvent(
     tags: TagArray,
     content: String,
     sig: HexKey,
-) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
+) : Event(id, pubKey, createdAt, kind, tags, content, sig),
+    AddressableEvent {
     override fun dTag() = FIXED_D_TAG
 
-    override fun aTag(relayHint: NormalizedRelayUrl?) = ATag(kind, pubKey, FIXED_D_TAG, relayHint)
-
     override fun address(): Address = Address(kind, pubKey, dTag())
 
     /**

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/tags/aTag/TagArrayBuilderExt.kt

@@ -20,11 +20,20 @@
  */
 package com.vitorpamplona.quartz.nip01Core.tags.aTag
 
+import com.vitorpamplona.quartz.nip01Core.core.Address
 import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
+import com.vitorpamplona.quartz.nip01Core.relay.normalizer.NormalizedRelayUrl
 
 fun <T : Event> TagArrayBuilder<T>.aTag(tag: ATag) = add(tag.toATagArray())
 
+fun <T : Event> TagArrayBuilder<T>.aTag(
+    address: Address,
+    relayHint: NormalizedRelayUrl? = null,
+) = add(ATag.assemble(address, relayHint))
+
 fun <T : Event> TagArrayBuilder<T>.aTags(tag: List<ATag>) = addAll(tag.map { it.toATagArray() })
 
 fun <T : Event> TagArrayBuilder<T>.removeATag(tag: ATag) = this.removeIf(ATag::isSameAddress, tag.toATagArray())
+
+fun <T : Event> TagArrayBuilder<T>.removeAddress(address: Address) = this.removeIf(ATag::isSameAddress, ATag.assemble(address, null))

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip09Deletions/DeletionEvent.kt

@@ -89,7 +89,7 @@ class DeletionEvent(
             deleteEvents.forEach {
                 eTag(ETag(it.id))
                 if (it is AddressableEvent) {
-                    aTag(it.aTag())
+                    aTag(it.address())
                 }
             }
 
@@ -108,7 +108,7 @@ class DeletionEvent(
 
             deleteEvents.forEach {
                 if (it is AddressableEvent) {
-                    aTag(it.aTag())
+                    aTag(it.address())
                 }
             }
 

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip18Reposts/GenericRepostEvent.kt

@@ -26,9 +26,9 @@ import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
 import com.vitorpamplona.quartz.nip01Core.hints.AddressHintProvider
+import com.vitorpamplona.quartz.nip01Core.hints.EventHintBundle
 import com.vitorpamplona.quartz.nip01Core.hints.EventHintProvider
 import com.vitorpamplona.quartz.nip01Core.hints.PubKeyHintProvider
-import com.vitorpamplona.quartz.nip01Core.relay.normalizer.NormalizedRelayUrl
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
 import com.vitorpamplona.quartz.nip01Core.tags.aTag.ATag
@@ -38,7 +38,6 @@ import com.vitorpamplona.quartz.nip01Core.tags.events.eTag
 import com.vitorpamplona.quartz.nip01Core.tags.kinds.kind
 import com.vitorpamplona.quartz.nip01Core.tags.people.PTag
 import com.vitorpamplona.quartz.nip01Core.tags.people.pTag
-import com.vitorpamplona.quartz.nip31Alts.AltTag
 import com.vitorpamplona.quartz.nip31Alts.alt
 import com.vitorpamplona.quartz.utils.TimeUtils
 import com.vitorpamplona.quartz.utils.lastNotNullOfOrNull
@@ -93,45 +92,28 @@ class GenericRepostEvent(
         const val ALT = "Generic repost"
 
         fun build(
-            boostedPost: Event,
-            eventSourceRelay: NormalizedRelayUrl?,
-            authorHomeRelay: NormalizedRelayUrl?,
+            eventHint: EventHintBundle<Event>,
             createdAt: Long = TimeUtils.now(),
             initializer: TagArrayBuilder<GenericRepostEvent>.() -> Unit = {},
-        ) = eventTemplate(KIND, boostedPost.toJson(), createdAt) {
+        ) = eventTemplate(KIND, eventHint.event.toJson(), createdAt) {
+            val boostedPost = eventHint.event
+
             alt(ALT)
 
             kind(boostedPost.kind)
-            pTag(PTag(boostedPost.pubKey, authorHomeRelay))
-            eTag(ETag(boostedPost.id, eventSourceRelay, boostedPost.pubKey))
+            pTag(PTag(boostedPost.pubKey, eventHint.authorHomeRelay))
+            eTag(ETag(boostedPost.id, eventHint.relay, boostedPost.pubKey))
             if (boostedPost is AddressableEvent) {
-                aTag(boostedPost.aTag(eventSourceRelay))
+                aTag(boostedPost.address(), eventHint.relay)
             }
 
             initializer()
         }
 
         suspend fun create(
-            boostedPost: Event,
+            eventHint: EventHintBundle<Event>,
             signer: NostrSigner,
             createdAt: Long = TimeUtils.now(),
-        ): GenericRepostEvent {
-            val content = boostedPost.toJson()
-
-            val tags =
-                mutableListOf(
-                    arrayOf("e", boostedPost.id),
-                    arrayOf("p", boostedPost.pubKey),
-                )
-
-            if (boostedPost is AddressableEvent) {
-                tags.add(arrayOf("a", boostedPost.aTag().toTag()))
-            }
-
-            tags.add(arrayOf("k", "${boostedPost.kind}"))
-            tags.add(AltTag.assemble(ALT))
-
-            return signer.sign(createdAt, KIND, tags.toTypedArray(), content)
-        }
+        ): GenericRepostEvent = signer.sign(build(eventHint, createdAt))
     }
 }

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip18Reposts/RepostEvent.kt

@@ -26,9 +26,10 @@ import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
 import com.vitorpamplona.quartz.nip01Core.hints.AddressHintProvider
+import com.vitorpamplona.quartz.nip01Core.hints.EventHintBundle
 import com.vitorpamplona.quartz.nip01Core.hints.EventHintProvider
 import com.vitorpamplona.quartz.nip01Core.hints.PubKeyHintProvider
-import com.vitorpamplona.quartz.nip01Core.relay.normalizer.NormalizedRelayUrl
+import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
 import com.vitorpamplona.quartz.nip01Core.tags.aTag.ATag
 import com.vitorpamplona.quartz.nip01Core.tags.aTag.aTag
@@ -82,7 +83,7 @@ class RepostEvent(
     fun containedPost() =
         try {
             fromJson(content)
-        } catch (e: Exception) {
+        } catch (_: Exception) {
             null
         }
 
@@ -91,22 +92,28 @@ class RepostEvent(
         const val ALT = "Repost event"
 
         fun build(
-            boostedPost: Event,
-            eventSourceRelay: NormalizedRelayUrl?,
-            authorHomeRelay: NormalizedRelayUrl?,
+            eventHint: EventHintBundle<Event>,
             createdAt: Long = TimeUtils.now(),
             initializer: TagArrayBuilder<RepostEvent>.() -> Unit = {},
-        ) = eventTemplate(KIND, boostedPost.toJson(), createdAt) {
+        ) = eventTemplate(KIND, eventHint.event.toJson(), createdAt) {
+            val boostedPost = eventHint.event
+
             alt(ALT)
 
-            pTag(PTag(boostedPost.pubKey, authorHomeRelay))
-            eTag(ETag(boostedPost.id, eventSourceRelay, boostedPost.pubKey))
+            pTag(PTag(boostedPost.pubKey, eventHint.authorHomeRelay))
+            eTag(ETag(boostedPost.id, eventHint.relay, boostedPost.pubKey))
             if (boostedPost is AddressableEvent) {
-                aTag(boostedPost.aTag(eventSourceRelay))
+                aTag(boostedPost.address(), eventHint.relay)
             }
             kind(boostedPost.kind)
 
             initializer()
         }
+
+        suspend fun create(
+            eventHint: EventHintBundle<Event>,
+            signer: NostrSigner,
+            createdAt: Long = TimeUtils.now(),
+        ): RepostEvent = signer.sign(build(eventHint, createdAt))
     }
 }

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip23LongContent/LongTextNoteEvent.kt

@@ -31,9 +31,7 @@ import com.vitorpamplona.quartz.nip01Core.hints.PubKeyHintProvider
 import com.vitorpamplona.quartz.nip01Core.hints.types.AddressHint
 import com.vitorpamplona.quartz.nip01Core.hints.types.EventIdHint
 import com.vitorpamplona.quartz.nip01Core.hints.types.PubKeyHint
-import com.vitorpamplona.quartz.nip01Core.relay.normalizer.NormalizedRelayUrl
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
-import com.vitorpamplona.quartz.nip01Core.tags.aTag.ATag
 import com.vitorpamplona.quartz.nip01Core.tags.dTag.dTag
 import com.vitorpamplona.quartz.nip01Core.tags.hashtags.hashtags
 import com.vitorpamplona.quartz.nip01Core.tags.people.PTag
@@ -119,8 +117,6 @@ class LongTextNoteEvent(
 
     override fun dTag() = tags.dTag()
 
-    override fun aTag(relayHint: NormalizedRelayUrl?) = ATag(kind, pubKey, dTag(), relayHint)
-
     override fun address() = Address(kind, pubKey, dTag())
 
     override fun addressTag() = Address.assemble(kind, pubKey, dTag())

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip25Reactions/ReactionEvent.kt

@@ -91,7 +91,7 @@ class ReactionEvent(
         ) = eventTemplate<ReactionEvent>(KIND, reaction, createdAt) {
             eTag(reactedTo.toETag())
             if (reactedTo.event is AddressableEvent) {
-                aTag(reactedTo.event.aTag(reactedTo.relay))
+                aTag(reactedTo.event.address(), reactedTo.relay)
             }
             pTag(reactedTo.event.pubKey, reactedTo.relay)
             kind(reactedTo.event.kind)
@@ -104,7 +104,7 @@ class ReactionEvent(
         ) = eventTemplate<ReactionEvent>(KIND, reaction.toContentEncode(), createdAt) {
             eTag(reactedTo.toETag())
             if (reactedTo.event is AddressableEvent) {
-                aTag(reactedTo.event.aTag(reactedTo.relay))
+                aTag(reactedTo.event.address(), reactedTo.relay)
             }
             pTag(reactedTo.event.pubKey, reactedTo.relay)
             kind(reactedTo.event.kind)

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip30CustomEmoji/selection/EmojiPackSelectionEvent.kt

@@ -78,7 +78,7 @@ class EmojiPackSelectionEvent(
             createdAt: Long = TimeUtils.now(),
             updater: TagArrayBuilder<EmojiPackSelectionEvent>.() -> Unit = {},
         ) = eventUpdate(currentSelection, createdAt) {
-            removePack(packToRemove.aTag(null))
+            removePack(packToRemove.address())
             updater()
         }
 

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip30CustomEmoji/selection/TagArrayBuilderExt.kt

@@ -20,14 +20,15 @@
  */
 package com.vitorpamplona.quartz.nip30CustomEmoji.selection
 
+import com.vitorpamplona.quartz.nip01Core.core.Address
 import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
 import com.vitorpamplona.quartz.nip01Core.tags.aTag.ATag
 import com.vitorpamplona.quartz.nip01Core.tags.aTag.aTag
 import com.vitorpamplona.quartz.nip01Core.tags.aTag.aTags
-import com.vitorpamplona.quartz.nip01Core.tags.aTag.removeATag
+import com.vitorpamplona.quartz.nip01Core.tags.aTag.removeAddress
 
 fun TagArrayBuilder<EmojiPackSelectionEvent>.pack(tag: ATag) = aTag(tag)
 
 fun TagArrayBuilder<EmojiPackSelectionEvent>.packs(tags: List<ATag>) = aTags(tags)
 
-fun TagArrayBuilder<EmojiPackSelectionEvent>.removePack(tag: ATag) = removeATag(tag)
+fun TagArrayBuilder<EmojiPackSelectionEvent>.removePack(address: Address) = removeAddress(address)

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip54Wiki/WikiNoteEvent.kt

@@ -34,7 +34,6 @@ import com.vitorpamplona.quartz.nip01Core.hints.PubKeyHintProvider
 import com.vitorpamplona.quartz.nip01Core.hints.types.AddressHint
 import com.vitorpamplona.quartz.nip01Core.hints.types.EventIdHint
 import com.vitorpamplona.quartz.nip01Core.hints.types.PubKeyHint
-import com.vitorpamplona.quartz.nip01Core.relay.normalizer.NormalizedRelayUrl
 import com.vitorpamplona.quartz.nip01Core.signers.EventTemplate
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
 import com.vitorpamplona.quartz.nip01Core.tags.aTag.ATag
@@ -129,8 +128,6 @@ class WikiNoteEvent(
 
     override fun dTag() = tags.dTag()
 
-    override fun aTag(relayHint: NormalizedRelayUrl?) = ATag(kind, pubKey, dTag(), relayHint)
-
     override fun address() = Address(kind, pubKey, dTag())
 
     override fun addressTag() = Address.assemble(kind, pubKey, dTag())

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip57Zaps/LnZapRequestEvent.kt

@@ -104,7 +104,7 @@ class LnZapRequestEvent(
                     AltTag.assemble(ALT),
                 )
             if (zappedEvent is AddressableEvent) {
-                tags = tags + listOf(arrayOf("a", zappedEvent.aTag().toTag()))
+                tags = tags + listOf(ATag.assemble(zappedEvent.address(), null))
             }
             if (pollOption != null && pollOption >= 0) {
                 tags = tags + listOf(arrayOf(PollOptionTag.TAG_NAME, pollOption.toString()))