Moves the ContactList cache lists to AccountViewModel, where it can be disposed more efficiently.

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

@@ -225,6 +225,7 @@ class Account(
     @Immutable
     class LiveFollowLists(
         val users: Set<String> = emptySet(),
+        val usersPlusMe: Set<String>,
         val hashtags: Set<String> = emptySet(),
         val geotags: Set<String> = emptySet(),
         val communities: Set<String> = emptySet(),
@@ -423,17 +424,29 @@ class Account(
     val liveKind3FollowsFlow: Flow<LiveFollowLists> =
         userProfile().flow().follows.stateFlow.transformLatest {
             checkNotInMainThread()
+
+            // makes sure the output include only valid p tags
+            val verifiedFollowingUsers = it.user.latestContactList?.verifiedFollowKeySet() ?: emptySet()
+
             emit(
                 LiveFollowLists(
-                    it.user.cachedFollowingKeySet(),
-                    it.user.cachedFollowingTagSet(),
-                    it.user.cachedFollowingGeohashSet(),
-                    it.user.cachedFollowingCommunitiesSet(),
+                    verifiedFollowingUsers,
+                    verifiedFollowingUsers + keyPair.pubKeyHex,
+                    it.user.latestContactList
+                        ?.unverifiedFollowTagSet()
+                        ?.map { it.lowercase() }
+                        ?.toSet() ?: emptySet(),
+                    it.user.latestContactList
+                        ?.unverifiedFollowGeohashSet()
+                        ?.toSet() ?: emptySet(),
+                    it.user.latestContactList
+                        ?.verifiedFollowAddressSet()
+                        ?.toSet() ?: emptySet(),
                 ),
             )
         }
 
-    val liveKind3Follows = liveKind3FollowsFlow.stateIn(scope, SharingStarted.Eagerly, LiveFollowLists())
+    val liveKind3Follows = liveKind3FollowsFlow.stateIn(scope, SharingStarted.Eagerly, LiveFollowLists(usersPlusMe = setOf(keyPair.pubKeyHex)))
 
     @OptIn(ExperimentalCoroutinesApi::class)
     private val liveHomeList: Flow<ListNameNotePair> by lazy {
@@ -465,11 +478,11 @@ class Account(
             } else if (peopleListFollows.listName == KIND3_FOLLOWS) {
                 emit(kind3Follows)
             } else if (peopleListFollows.event == null) {
-                emit(LiveFollowLists())
+                emit(LiveFollowLists(usersPlusMe = setOf(keyPair.pubKeyHex)))
             } else {
                 val result = waitToDecrypt(peopleListFollows.event)
                 if (result == null) {
-                    emit(LiveFollowLists())
+                    emit(LiveFollowLists(usersPlusMe = setOf(keyPair.pubKeyHex)))
                 } else {
                     emit(result)
                 }
@@ -481,7 +494,7 @@ class Account(
     }
 
     val liveHomeFollowLists: StateFlow<LiveFollowLists?> by lazy {
-        liveHomeFollowListFlow.stateIn(scope, SharingStarted.Eagerly, LiveFollowLists())
+        liveHomeFollowListFlow.stateIn(scope, SharingStarted.Eagerly, LiveFollowLists(usersPlusMe = setOf(keyPair.pubKeyHex)))
     }
 
     fun relaysFromPeopleListFlows(
@@ -540,7 +553,7 @@ class Account(
 
     val liveNotificationFollowLists: StateFlow<LiveFollowLists?> by lazy {
         combinePeopleListFlows(liveKind3FollowsFlow, liveNotificationList)
-            .stateIn(scope, SharingStarted.Eagerly, LiveFollowLists())
+            .stateIn(scope, SharingStarted.Eagerly, LiveFollowLists(usersPlusMe = setOf(keyPair.pubKeyHex)))
     }
 
     @OptIn(ExperimentalCoroutinesApi::class)
@@ -552,7 +565,7 @@ class Account(
 
     val liveStoriesFollowLists: StateFlow<LiveFollowLists?> by lazy {
         combinePeopleListFlows(liveKind3FollowsFlow, liveStoriesList)
-            .stateIn(scope, SharingStarted.Eagerly, LiveFollowLists())
+            .stateIn(scope, SharingStarted.Eagerly, LiveFollowLists(usersPlusMe = setOf(keyPair.pubKeyHex)))
     }
 
     @OptIn(ExperimentalCoroutinesApi::class)
@@ -564,7 +577,7 @@ class Account(
 
     val liveDiscoveryFollowLists: StateFlow<LiveFollowLists?> by lazy {
         combinePeopleListFlows(liveKind3FollowsFlow, liveDiscoveryList)
-            .stateIn(scope, SharingStarted.Eagerly, LiveFollowLists())
+            .stateIn(scope, SharingStarted.Eagerly, LiveFollowLists(usersPlusMe = setOf(keyPair.pubKeyHex)))
     }
 
     private fun decryptLiveFollows(
@@ -572,10 +585,11 @@ class Account(
         onReady: (LiveFollowLists) -> Unit,
     ) {
         listEvent.privateTags(signer) { privateTagList ->
+            val users = (listEvent.bookmarkedPeople() + listEvent.filterUsers(privateTagList)).toSet()
             onReady(
                 LiveFollowLists(
-                    users =
-                        (listEvent.bookmarkedPeople() + listEvent.filterUsers(privateTagList)).toSet(),
+                    users = users,
+                    usersPlusMe = users + userProfile().pubkeyHex,
                     hashtags =
                         (listEvent.hashtags() + listEvent.filterHashtags(privateTagList)).toSet(),
                     geotags =
@@ -759,6 +773,10 @@ class Account(
         }
     }
 
+    suspend fun countFollowersOf(pubkey: HexKey): Int = LocalCache.users.count { _, it -> it.latestContactList?.isTaggedUser(pubkey) ?: false }
+
+    suspend fun followerCount(): Int = countFollowersOf(keyPair.pubKeyHex)
+
     fun sendNewUserMetadata(
         name: String? = null,
         picture: String? = null,
@@ -2813,9 +2831,7 @@ class Account(
         flowHiddenUsers.value.hiddenUsers.contains(userHex) ||
             flowHiddenUsers.value.spammers.contains(userHex)
 
-    fun followingKeySet(): Set<HexKey> = userProfile().cachedFollowingKeySet()
-
-    fun followingTagSet(): Set<HexKey> = userProfile().cachedFollowingTagSet()
+    fun followingKeySet(): Set<HexKey> = liveKind3Follows.value.users
 
     fun isAcceptable(user: User): Boolean {
         if (userProfile().pubkeyHex == user.pubkeyHex) {
@@ -2865,8 +2881,6 @@ class Account(
     }
 
     fun getRelevantReports(note: Note): Set<Note> {
-        val followsPlusMe = userProfile().latestContactList?.verifiedFollowKeySetAndMe ?: emptySet()
-
         val innerReports =
             if (note.event is RepostEvent || note.event is GenericRepostEvent) {
                 note.replyTo?.map { getRelevantReports(it) }?.flatten() ?: emptyList()
@@ -2875,8 +2889,8 @@ class Account(
             }
 
         return (
-            note.reportsBy(followsPlusMe) +
-                (note.author?.reportsBy(followsPlusMe) ?: emptyList()) +
+            note.reportsBy(liveKind3Follows.value.usersPlusMe) +
+                (note.author?.reportsBy(liveKind3Follows.value.usersPlusMe) ?: emptyList()) +
                 innerReports
         ).toSet()
     }

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

@@ -336,52 +336,24 @@ class User(
 
     fun isFollowing(user: User): Boolean = latestContactList?.isTaggedUser(user.pubkeyHex) ?: false
 
-    fun isFollowingHashtag(tag: String): Boolean = latestContactList?.isTaggedHash(tag) ?: false
-
-    fun isFollowingHashtagCached(tag: String): Boolean {
-        return latestContactList?.verifiedFollowTagSet?.let {
+    fun isFollowingHashtag(tag: String): Boolean {
+        return latestContactList?.unverifiedFollowTagSet()?.map { it.lowercase() }?.toSet()?.let {
             return tag.lowercase() in it
         }
             ?: false
     }
 
-    fun isFollowingGeohashCached(geoTag: String): Boolean {
-        return latestContactList?.verifiedFollowGeohashSet?.let {
+    fun isFollowingGeohash(geoTag: String): Boolean {
+        return latestContactList?.unverifiedFollowAddressSet()?.toSet()?.let {
             return geoTag.lowercase() in it
         }
             ?: false
     }
 
-    fun isFollowingCached(user: User): Boolean {
-        return latestContactList?.verifiedFollowKeySet?.let {
-            return user.pubkeyHex in it
-        }
-            ?: false
-    }
-
-    fun isFollowingCached(userHex: String): Boolean {
-        return latestContactList?.verifiedFollowKeySet?.let {
-            return userHex in it
-        }
-            ?: false
-    }
-
     fun transientFollowCount(): Int? = latestContactList?.unverifiedFollowKeySet()?.size
 
     suspend fun transientFollowerCount(): Int = LocalCache.users.count { _, it -> it.latestContactList?.isTaggedUser(pubkeyHex) ?: false }
 
-    fun cachedFollowingKeySet(): Set<HexKey> = latestContactList?.verifiedFollowKeySet ?: emptySet()
-
-    fun cachedFollowingTagSet(): Set<String> = latestContactList?.verifiedFollowTagSet ?: emptySet()
-
-    fun cachedFollowingGeohashSet(): Set<HexKey> = latestContactList?.verifiedFollowGeohashSet ?: emptySet()
-
-    fun cachedFollowingCommunitiesSet(): Set<HexKey> = latestContactList?.verifiedFollowCommunitySet ?: emptySet()
-
-    fun cachedFollowCount(): Int? = latestContactList?.verifiedFollowKeySet?.size
-
-    suspend fun cachedFollowerCount(): Int = LocalCache.users.count { _, it -> it.latestContactList?.isTaggedUser(pubkeyHex) ?: false }
-
     fun hasSentMessagesTo(key: ChatroomKey?): Boolean {
         val messagesToUser = privateChatrooms[key] ?: return false
 

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

@@ -763,9 +763,11 @@ class FollowListViewModel(
 
     @OptIn(ExperimentalCoroutinesApi::class)
     val liveKind3FollowsFlow: Flow<List<CodeName>> =
-        account.userProfile().flow().follows.stateFlow.transformLatest {
+        account.liveKind3FollowsFlow.transformLatest {
+            checkNotInMainThread()
+
             val communities =
-                it.user.cachedFollowingCommunitiesSet().mapNotNull {
+                it.communities.mapNotNull {
                     LocalCache.checkGetOrCreateAddressableNote(it)?.let { communityNote ->
                         CodeName(
                             "Community/${communityNote.idHex}",
@@ -776,12 +778,12 @@ class FollowListViewModel(
                 }
 
             val hashtags =
-                it.user.cachedFollowingTagSet().map {
+                it.hashtags.map {
                     CodeName("Hashtag/$it", HashtagName(it), CodeNameType.ROUTE)
                 }
 
             val geotags =
-                it.user.cachedFollowingGeohashSet().map {
+                it.geotags.map {
                     CodeName("Geohash/$it", GeoHashName(it), CodeNameType.ROUTE)
                 }
 

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

@@ -83,6 +83,7 @@ import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import coil.compose.AsyncImage
 import com.vitorpamplona.amethyst.BuildConfig
 import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.FeatureSetType
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.ui.actions.mediaServers.MediaServersListView
@@ -114,7 +115,6 @@ import com.vitorpamplona.ammolite.relays.RelayPoolStatus
 import com.vitorpamplona.quartz.encoders.ATag
 import com.vitorpamplona.quartz.encoders.HexKey
 import com.vitorpamplona.quartz.events.ImmutableListOfLists
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
 @Composable
@@ -151,7 +151,7 @@ fun DrawerContent(
                 EditStatusBoxes(accountViewModel.account.userProfile(), accountViewModel, drawerState)
             }
 
-            FollowingAndFollowerCounts(accountViewModel.account.userProfile(), onClickUser)
+            FollowingAndFollowerCounts(accountViewModel.account, onClickUser)
 
             HorizontalDivider(
                 thickness = DividerThickness,
@@ -380,18 +380,12 @@ fun UserStatusDeleteButton(onClick: () -> Unit) {
 
 @Composable
 private fun FollowingAndFollowerCounts(
-    baseAccountUser: User,
+    baseAccountUser: Account,
     onClick: () -> Unit,
 ) {
-    var followingCount by remember { mutableStateOf("--") }
+    val followingCount = baseAccountUser.liveKind3Follows.collectAsStateWithLifecycle()
     var followerCount by remember { mutableStateOf("--") }
 
-    WatchFollow(baseAccountUser = baseAccountUser) { newFollowing ->
-        if (followingCount != newFollowing) {
-            followingCount = newFollowing
-        }
-    }
-
     WatchFollower(baseAccountUser = baseAccountUser) { newFollower ->
         if (followerCount != newFollower) {
             followerCount = newFollower
@@ -402,7 +396,9 @@ private fun FollowingAndFollowerCounts(
         modifier = drawerSpacing.clickable(onClick = onClick),
     ) {
         Text(
-            text = followingCount,
+            text =
+                followingCount.value.users.size
+                    .toString(),
             fontWeight = FontWeight.Bold,
         )
 
@@ -419,31 +415,19 @@ private fun FollowingAndFollowerCounts(
     }
 }
 
-@Composable
-fun WatchFollow(
-    baseAccountUser: User,
-    onReady: (String) -> Unit,
-) {
-    val accountUserFollowsState by baseAccountUser.live().follows.observeAsState()
-
-    LaunchedEffect(key1 = accountUserFollowsState) {
-        launch(Dispatchers.IO) {
-            onReady(accountUserFollowsState?.user?.cachedFollowCount()?.toString() ?: "--")
-        }
-    }
-}
-
 @Composable
 fun WatchFollower(
-    baseAccountUser: User,
+    baseAccountUser: Account,
     onReady: (String) -> Unit,
 ) {
-    val accountUserFollowersState by baseAccountUser.live().followers.observeAsState()
+    val accountUserFollowersState by baseAccountUser
+        .userProfile()
+        .live()
+        .followers
+        .observeAsState()
 
     LaunchedEffect(key1 = accountUserFollowersState) {
-        launch(Dispatchers.IO) {
-            onReady(accountUserFollowersState?.user?.cachedFollowerCount()?.toString() ?: "--")
-        }
+        onReady(baseAccountUser.followerCount().toString() ?: "--")
     }
 }
 

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

@@ -676,7 +676,7 @@ fun LoadModerators(
 
             val newParticipantUsers =
                 if (followingKeySet == null) {
-                    val allFollows = accountViewModel.account.userProfile().cachedFollowingKeySet()
+                    val allFollows = accountViewModel.account.liveKind3Follows.value.users
                     val followingParticipants =
                         ParticipantListBuilder().followsThatParticipateOn(baseNote, allFollows).minus(hosts)
 
@@ -732,7 +732,7 @@ private fun LoadParticipants(
 
             val newParticipantUsers =
                 if (followingKeySet == null) {
-                    val allFollows = accountViewModel.account.userProfile().cachedFollowingKeySet()
+                    val allFollows = accountViewModel.account.liveKind3Follows.value.users
                     val followingParticipants =
                         ParticipantListBuilder()
                             .followsThatParticipateOn(baseNote, allFollows)
@@ -889,7 +889,7 @@ fun RenderChannelThumb(
 
             val newParticipantUsers =
                 if (followingKeySet == null) {
-                    val allFollows = accountViewModel.account.userProfile().cachedFollowingKeySet()
+                    val allFollows = accountViewModel.account.liveKind3Follows.value.users
                     val followingParticipants =
                         ParticipantListBuilder().followsThatParticipateOn(baseNote, allFollows).toList()
 

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

@@ -367,11 +367,10 @@ fun WatchUserFollows(
         remember {
             accountViewModel.userFollows
                 .map {
-                    it.user.isFollowingCached(userHex) ||
-                        (userHex == accountViewModel.account.userProfile().pubkeyHex)
+                    accountViewModel.isFollowing(userHex) || (userHex == accountViewModel.account.userProfile().pubkeyHex)
                 }.distinctUntilChanged()
         }.observeAsState(
-            accountViewModel.account.userProfile().isFollowingCached(userHex) ||
+            accountViewModel.isFollowing(userHex) ||
                 (userHex == accountViewModel.account.userProfile().pubkeyHex),
         )
 

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

@@ -29,12 +29,12 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.text.AnnotatedString
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 
@@ -44,12 +44,11 @@ fun DisplayFollowingHashtagsInPost(
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit,
 ) {
-    val userFollowState by accountViewModel.userFollows.observeAsState()
+    val userFollowState by accountViewModel.account.liveKind3Follows.collectAsStateWithLifecycle()
     var firstTag by remember(baseNote) { mutableStateOf<String?>(null) }
 
     LaunchedEffect(key1 = userFollowState) {
-        val followingTags = userFollowState?.user?.cachedFollowingTagSet() ?: emptySet()
-        val newFirstTag = baseNote.event?.firstIsTaggedHashes(followingTags)
+        val newFirstTag = baseNote.event?.firstIsTaggedHashes(userFollowState.hashtags)
 
         if (firstTag != newFirstTag) {
             firstTag = newFirstTag

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

@@ -807,10 +807,10 @@ class AccountViewModel(
 
     fun isFollowing(user: User?): Boolean {
         if (user == null) return false
-        return account.userProfile().isFollowingCached(user)
+        return account.isFollowing(user)
     }
 
-    fun isFollowing(user: HexKey): Boolean = account.userProfile().isFollowingCached(user)
+    fun isFollowing(user: HexKey): Boolean = account.isFollowing(user)
 
     val hideDeleteRequestDialog: Boolean
         get() = account.hideDeleteRequestDialog

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

@@ -188,7 +188,7 @@ fun GeoHashActionOptions(
         .observeAsState()
     val isFollowingTag by
         remember(userState) {
-            derivedStateOf { userState?.user?.isFollowingGeohashCached(tag) ?: false }
+            derivedStateOf { userState?.user?.isFollowingGeohash(tag) ?: false }
         }
 
     if (isFollowingTag) {

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

@@ -167,7 +167,7 @@ fun HashtagActionOptions(
         .observeAsState()
     val isFollowingTag by
         remember(userState) {
-            derivedStateOf { userState?.user?.isFollowingHashtagCached(tag) ?: false }
+            derivedStateOf { userState?.user?.isFollowingHashtag(tag) ?: false }
         }
 
     if (isFollowingTag) {

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

@@ -20,6 +20,7 @@
  */
 package com.vitorpamplona.quartz.crypto
 
+import com.vitorpamplona.quartz.encoders.HexKey
 import com.vitorpamplona.quartz.encoders.toHexKey
 
 class KeyPair(
@@ -29,6 +30,7 @@ class KeyPair(
 ) {
     val privKey: ByteArray?
     val pubKey: ByteArray
+    val pubKeyHex: HexKey
 
     init {
         if (privKey == null) {
@@ -52,6 +54,8 @@ class KeyPair(
                 this.pubKey = pubKey
             }
         }
+
+        this.pubKeyHex = this.pubKey.toHexKey().intern()
     }
 
     override fun toString(): String = "KeyPair(privateKey=${privKey?.toHexKey()}, publicKey=${pubKey.toHexKey()}"