v0.37.2

Add support for non-english hashtags too

README.md

@@ -43,7 +43,7 @@ Or get the latest APK from the [Releases Section](https://github.com/vitorpamplo
 - [x] Badges (NIP-58)
 - [x] Hashtag Following and Custom Hashtags
 - [x] Polls (NIP-69)
-- [x] Verifiable uploads (NIP-94)
+- [x] Verifiable static content in URLs (NIP-94)
 - [x] Login with QR
 - [x] Wallet Connect API (NIP-47)
 - [x] Accessible uploads
@@ -53,6 +53,7 @@ Or get the latest APK from the [Releases Section](https://github.com/vitorpamplo
 - [x] Multiple Accounts
 - [x] Markdown Support
 - [x] Relay Authentication (NIP-42)
+- [x] Content stored in relays themselves (NIP-95)
 - [ ] Local Database 
 - [ ] View Individual Reactions (Like, Boost, Zaps, Reports) per Post
 - [ ] Bookmarks, Pinned Posts, Muted Events (NIP-51)

app/build.gradle

@@ -12,8 +12,8 @@ android {
         applicationId "com.vitorpamplona.amethyst"
         minSdk 26
         targetSdk 33
-        versionCode 127
-        versionName "0.37.0"
+        versionCode 129
+        versionName "0.37.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
@@ -85,8 +85,8 @@ android {
 }
 
 dependencies {
-    implementation 'androidx.core:core-ktx:1.10.0'
-    implementation 'androidx.activity:activity-compose:1.7.0-beta01'
+    implementation 'androidx.core:core-ktx:1.11.0-alpha03'
+    implementation 'androidx.activity:activity-compose:1.7.0'
     implementation "androidx.compose.ui:ui:$compose_ui_version"
     implementation "androidx.compose.ui:ui-tooling-preview:$compose_ui_version"
 
@@ -134,7 +134,7 @@ dependencies {
     implementation 'tw.com.oneup.www:Baha-UrlPreview:1.0.1'
 
     // Encrypted Key Storage
-    implementation 'androidx.security:security-crypto-ktx:1.1.0-alpha05'
+    implementation 'androidx.security:security-crypto-ktx:1.1.0-alpha06'
 
     // view videos
     implementation 'com.google.android.exoplayer:exoplayer:2.18.6'
@@ -177,7 +177,7 @@ dependencies {
 
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'io.mockk:mockk:1.13.5'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.ext:junit:1.2.0-alpha01'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
     androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose_ui_version"
     debugImplementation "androidx.compose.ui:ui-tooling:$compose_ui_version"

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

@@ -72,6 +72,7 @@ object ServiceManager {
             LocalCache.pruneOldAndHiddenMessages(it)
             LocalCache.pruneHiddenMessages(it)
             LocalCache.pruneContactLists(it)
+            LocalCache.pruneFileStorageEvents(it)
             // LocalCache.pruneNonFollows(it)
         }
     }

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

@@ -422,7 +422,7 @@ class Account(
         return LocalCache.notes[signedEvent.id]
     }
 
-    fun sendPost(message: String, replyTo: List<Note>?, mentions: List<User>?, tags: List<String>? = null) {
+    fun sendPost(message: String, replyTo: List<Note>?, mentions: List<User>?, tags: List<String>? = null, zapReceiver: String? = null) {
         if (!isWriteable()) return
 
         val repliesToHex = replyTo?.filter { it.address() == null }?.map { it.idHex }
@@ -435,6 +435,7 @@ class Account(
             mentions = mentionsHex,
             addresses = addresses,
             extraTags = tags,
+            zapReceiver = zapReceiver,
             privateKey = loggedIn.privKey!!
         )
 
@@ -450,7 +451,8 @@ class Account(
         valueMaximum: Int?,
         valueMinimum: Int?,
         consensusThreshold: Int?,
-        closedAt: Int?
+        closedAt: Int?,
+        zapReceiver: String? = null
     ) {
         if (!isWriteable()) return
 
@@ -468,14 +470,15 @@ class Account(
             valueMaximum = valueMaximum,
             valueMinimum = valueMinimum,
             consensusThreshold = consensusThreshold,
-            closedAt = closedAt
+            closedAt = closedAt,
+            zapReceiver = zapReceiver
         )
         // println("Sending new PollNoteEvent: %s".format(signedEvent.toJson()))
         Client.send(signedEvent)
         LocalCache.consume(signedEvent)
     }
 
-    fun sendChannelMessage(message: String, toChannel: String, replyTo: List<Note>?, mentions: List<User>?) {
+    fun sendChannelMessage(message: String, toChannel: String, replyTo: List<Note>?, mentions: List<User>?, zapReceiver: String? = null) {
         if (!isWriteable()) return
 
         // val repliesToHex = listOfNotNull(replyingTo?.idHex).ifEmpty { null }
@@ -487,13 +490,14 @@ class Account(
             channel = toChannel,
             replyTos = repliesToHex,
             mentions = mentionsHex,
+            zapReceiver = zapReceiver,
             privateKey = loggedIn.privKey!!
         )
         Client.send(signedEvent)
         LocalCache.consume(signedEvent, null)
     }
 
-    fun sendPrivateMessage(message: String, toUser: String, replyingTo: Note? = null, mentions: List<User>?) {
+    fun sendPrivateMessage(message: String, toUser: String, replyingTo: Note? = null, mentions: List<User>?, zapReceiver: String? = null) {
         if (!isWriteable()) return
         val user = LocalCache.users[toUser] ?: return
 
@@ -506,6 +510,7 @@ class Account(
             msg = message,
             replyTos = repliesToHex,
             mentions = mentionsHex,
+            zapReceiver = zapReceiver,
             privateKey = loggedIn.privKey!!,
             advertiseNip18 = false
         )

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

@@ -750,7 +750,11 @@ object LocalCache {
     }
 
     fun pruneFileStorageEvents(account: Account) {
-        notes.filter { it.value.event is FileStorageEvent }
+        val toBeRemoved = notes.filter { it.value.event is FileStorageEvent }
+
+        toBeRemoved.forEach {
+            notes.remove(it.key)
+        }
     }
 
     fun pruneOldAndHiddenMessages(account: Account) {

app/src/main/java/com/vitorpamplona/amethyst/service/model/ChannelMessageEvent.kt

@@ -20,7 +20,7 @@ class ChannelMessageEvent(
     companion object {
         const val kind = 42
 
-        fun create(message: String, channel: String, replyTos: List<String>? = null, mentions: List<String>? = null, privateKey: ByteArray, createdAt: Long = Date().time / 1000): ChannelMessageEvent {
+        fun create(message: String, channel: String, replyTos: List<String>? = null, mentions: List<String>? = null, zapReceiver: String?, privateKey: ByteArray, createdAt: Long = Date().time / 1000): ChannelMessageEvent {
             val content = message
             val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
             val tags = mutableListOf(
@@ -32,6 +32,9 @@ class ChannelMessageEvent(
             mentions?.forEach {
                 tags.add(listOf("p", it))
             }
+            zapReceiver?.let {
+                tags.add(listOf("zap", it))
+            }
 
             val id = generateId(pubKey, createdAt, kind, tags, content)
             val sig = Utils.sign(id, privateKey)

app/src/main/java/com/vitorpamplona/amethyst/service/model/Event.kt

@@ -41,6 +41,8 @@ open class Event(
     fun taggedUsers() = tags.filter { it.size > 1 && it[0] == "p" }.map { it[1] }
     fun taggedEvents() = tags.filter { it.size > 1 && it[0] == "e" }.map { it[1] }
 
+    override fun zapAddress() = tags.firstOrNull { it.size > 1 && it[0] == "zap" }?.get(1)
+
     fun taggedAddresses() = tags.filter { it.size > 1 && it[0] == "a" }.mapNotNull {
         val aTagValue = it[1]
         val relay = it.getOrNull(2)

app/src/main/java/com/vitorpamplona/amethyst/service/model/EventInterface.kt

@@ -33,4 +33,6 @@ interface EventInterface {
 
     fun getReward(): BigDecimal?
     fun getPoWRank(): Int
+
+    fun zapAddress(): String?
 }

app/src/main/java/com/vitorpamplona/amethyst/service/model/PollNoteEvent.kt

@@ -48,7 +48,8 @@ class PollNoteEvent(
             valueMaximum: Int?,
             valueMinimum: Int?,
             consensusThreshold: Int?,
-            closedAt: Int?
+            closedAt: Int?,
+            zapReceiver: String?
         ): PollNoteEvent {
             val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
             val tags = mutableListOf<List<String>>()
@@ -68,6 +69,11 @@ class PollNoteEvent(
             tags.add(listOf(VALUE_MINIMUM, valueMinimum.toString()))
             tags.add(listOf(CONSENSUS_THRESHOLD, consensusThreshold.toString()))
             tags.add(listOf(CLOSED_AT, closedAt.toString()))
+
+            if (zapReceiver != null) {
+                tags.add(listOf("zap", zapReceiver))
+            }
+
             val id = generateId(pubKey, createdAt, kind, tags, msg)
             val sig = Utils.sign(id, privateKey)
             return PollNoteEvent(id.toHexKey(), pubKey, createdAt, tags, msg, sig.toHexKey())

app/src/main/java/com/vitorpamplona/amethyst/service/model/PrivateDmEvent.kt

@@ -58,6 +58,7 @@ class PrivateDmEvent(
             msg: String,
             replyTos: List<String>? = null,
             mentions: List<String>? = null,
+            zapReceiver: String?,
             privateKey: ByteArray,
             createdAt: Long = Date().time / 1000,
             publishedRecipientPubKey: ByteArray? = null,
@@ -79,6 +80,9 @@ class PrivateDmEvent(
             mentions?.forEach {
                 tags.add(listOf("p", it))
             }
+            zapReceiver?.let {
+                tags.add(listOf("zap", it))
+            }
             val id = generateId(pubKey, createdAt, kind, tags, content)
             val sig = Utils.sign(id, privateKey)
             return PrivateDmEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())

app/src/main/java/com/vitorpamplona/amethyst/service/model/TextNoteEvent.kt

@@ -26,6 +26,7 @@ class TextNoteEvent(
             mentions: List<String>?,
             addresses: List<ATag>?,
             extraTags: List<String>?,
+            zapReceiver: String?,
             privateKey: ByteArray,
             createdAt: Long = Date().time / 1000
         ): TextNoteEvent {
@@ -46,9 +47,13 @@ class TextNoteEvent(
             extraTags?.forEach {
                 tags.add(listOf("t", it))
             }
+            zapReceiver?.let {
+                tags.add(listOf("zap", it))
+            }
             findURLs(msg).forEach {
                 tags.add(listOf("r", it))
             }
+
             val id = generateId(pubKey, createdAt, kind, tags, msg)
             val sig = Utils.sign(id, privateKey)
             return TextNoteEvent(id.toHexKey(), pubKey, createdAt, tags, msg, sig.toHexKey())

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

@@ -11,7 +11,6 @@ import okio.BufferedSink
 import okio.source
 import java.io.IOException
 import java.io.InputStream
-import java.util.*
 
 val charPool: List<Char> = ('a'..'z') + ('A'..'Z') + ('0'..'9')
 
@@ -35,7 +34,7 @@ object ImageUploader {
 
         val myServer = if (server == ServersAvailable.IMGUR) {
             ImgurServer()
-        } else if (server == ServersAvailable.NOSTR_IMG) {
+        } else if (server == ServersAvailable.NOSTRIMG) {
             NostrImgServer()
         } else {
             ImgurServer()

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

@@ -17,8 +17,12 @@ import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.*
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowForwardIos
+import androidx.compose.material.icons.filled.Bolt
 import androidx.compose.material.icons.filled.Cancel
 import androidx.compose.material.icons.filled.CurrencyBitcoin
+import androidx.compose.material.icons.outlined.ArrowForwardIos
+import androidx.compose.material.icons.outlined.Bolt
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
@@ -205,17 +209,19 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
 
                             val url = postViewModel.contentToAddUrl
                             if (url != null) {
-                                ImageVideoDescription(
-                                    url,
-                                    account.defaultFileServer,
-                                    onAdd = { description, server ->
-                                        postViewModel.upload(url, description, server, context)
-                                        account.changeDefaultFileServer(server)
-                                    },
-                                    onCancel = {
-                                        postViewModel.contentToAddUrl = null
-                                    }
-                                )
+                                Row(verticalAlignment = Alignment.CenterVertically) {
+                                    ImageVideoDescription(
+                                        url,
+                                        account.defaultFileServer,
+                                        onAdd = { description, server ->
+                                            postViewModel.upload(url, description, server, context)
+                                            account.changeDefaultFileServer(server)
+                                        },
+                                        onCancel = {
+                                            postViewModel.contentToAddUrl = null
+                                        }
+                                    )
+                                }
                             }
 
                             val user = postViewModel.account?.userProfile()
@@ -301,11 +307,16 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                         }
                     }
 
-                    Row(modifier = Modifier.fillMaxWidth()) {
+                    Row(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .height(50.dp),
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
                         UploadFromGallery(
                             isUploading = postViewModel.isUploadingImage,
                             tint = MaterialTheme.colors.onBackground,
-                            modifier = Modifier.padding(bottom = 10.dp)
+                            modifier = Modifier
                         ) {
                             postViewModel.selectImage(it)
                         }
@@ -323,6 +334,10 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                                 postViewModel.wantsInvoice = !postViewModel.wantsInvoice
                             }
                         }
+
+                        ForwardZapTo(postViewModel) {
+                            postViewModel.wantsForwardZapTo = !postViewModel.wantsForwardZapTo
+                        }
                     }
                 }
             }
@@ -386,6 +401,86 @@ private fun AddLnInvoiceButton(
     }
 }
 
+@Composable
+private fun ForwardZapTo(
+    postViewModel: NewPostViewModel,
+    onClick: () -> Unit
+) {
+    IconButton(
+        onClick = {
+            onClick()
+        }
+    ) {
+        Box(
+            Modifier
+                .height(20.dp)
+                .width(25.dp)
+        ) {
+            if (!postViewModel.wantsForwardZapTo) {
+                Icon(
+                    imageVector = Icons.Default.Bolt,
+                    contentDescription = stringResource(R.string.zaps),
+                    modifier = Modifier
+                        .size(20.dp)
+                        .align(Alignment.CenterStart),
+                    tint = MaterialTheme.colors.onBackground
+                )
+                Icon(
+                    imageVector = Icons.Default.ArrowForwardIos,
+                    contentDescription = stringResource(R.string.zaps),
+                    modifier = Modifier
+                        .size(13.dp)
+                        .align(Alignment.CenterEnd),
+                    tint = MaterialTheme.colors.onBackground
+                )
+            } else {
+                Icon(
+                    imageVector = Icons.Outlined.Bolt,
+                    contentDescription = stringResource(id = R.string.zaps),
+                    modifier = Modifier
+                        .size(20.dp)
+                        .align(Alignment.CenterStart),
+                    tint = BitcoinOrange
+                )
+                Icon(
+                    imageVector = Icons.Outlined.ArrowForwardIos,
+                    contentDescription = stringResource(id = R.string.zaps),
+                    modifier = Modifier
+                        .size(13.dp)
+                        .align(Alignment.CenterEnd),
+                    tint = BitcoinOrange
+                )
+            }
+        }
+    }
+
+    if (postViewModel.wantsForwardZapTo) {
+        OutlinedTextField(
+            value = postViewModel.forwardZapToEditting,
+            onValueChange = {
+                postViewModel.updateZapForwardTo(it)
+            },
+            modifier = Modifier
+                .fillMaxWidth()
+                .windowInsetsPadding(WindowInsets(0.dp, 0.dp, 0.dp, 0.dp))
+                .padding(0.dp),
+            placeholder = {
+                Text(
+                    text = stringResource(R.string.zap_forward_lnAddress),
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                )
+            },
+            colors = TextFieldDefaults
+                .outlinedTextFieldColors(
+                    unfocusedBorderColor = Color.Transparent,
+                    focusedBorderColor = Color.Transparent
+                ),
+            visualTransformation = UrlUserTagTransformation(MaterialTheme.colors.primary),
+            textStyle = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
+        )
+    }
+}
+
 @Composable
 fun CloseButton(onCancel: () -> Unit) {
     Button(
@@ -489,7 +584,12 @@ fun SearchButton(onPost: () -> Unit = {}, isActive: Boolean, modifier: Modifier
 }
 
 enum class ServersAvailable {
-    IMGUR, NOSTR_BUILD, NOSTR_IMG, NIP95
+    IMGUR,
+    NOSTR_BUILD,
+    NOSTRIMG,
+    IMGUR_NIP_94,
+    NOSTRIMG_NIP_94,
+    NIP95
 }
 
 @Composable
@@ -507,12 +607,15 @@ fun ImageVideoDescription(
     val isVideo = mediaType.startsWith("video")
 
     val fileServers = listOf(
-        Pair(ServersAvailable.IMGUR, "imgur.com"),
-        Pair(ServersAvailable.NOSTR_IMG, "nostrimg.com"),
-        Pair(ServersAvailable.NIP95, "your relays (NIP-95)")
+        Triple(ServersAvailable.IMGUR, stringResource(id = R.string.upload_server_imgur), stringResource(id = R.string.upload_server_imgur_explainer)),
+        Triple(ServersAvailable.NOSTRIMG, stringResource(id = R.string.upload_server_nostrimg), stringResource(id = R.string.upload_server_nostrimg_explainer)),
+        Triple(ServersAvailable.IMGUR_NIP_94, stringResource(id = R.string.upload_server_imgur_nip94), stringResource(id = R.string.upload_server_imgur_nip94_explainer)),
+        Triple(ServersAvailable.NOSTRIMG_NIP_94, stringResource(id = R.string.upload_server_nostrimg_nip94), stringResource(id = R.string.upload_server_nostrimg_nip94_explainer)),
+        Triple(ServersAvailable.NIP95, stringResource(id = R.string.upload_server_relays_nip95), stringResource(id = R.string.upload_server_relays_nip95_explainer))
     )
 
     val fileServerOptions = fileServers.map { it.second }
+    val fileServerExplainers = fileServers.map { it.third }
 
     var selectedServer by remember { mutableStateOf(defaultServer) }
     var message by remember { mutableStateOf("") }
@@ -556,6 +659,7 @@ fun ImageVideoDescription(
                     modifier = Modifier
                         .padding(start = 10.dp)
                         .weight(1.0f)
+                        .windowInsetsPadding(WindowInsets(0.dp, 0.dp, 0.dp, 0.dp))
                 )
 
                 IconButton(
@@ -580,6 +684,7 @@ fun ImageVideoDescription(
                 modifier = Modifier
                     .fillMaxWidth()
                     .padding(bottom = 10.dp)
+                    .windowInsetsPadding(WindowInsets(0.dp, 0.dp, 0.dp, 0.dp))
             ) {
                 if (mediaType.startsWith("image")) {
                     AsyncImage(
@@ -589,6 +694,7 @@ fun ImageVideoDescription(
                         modifier = Modifier
                             .padding(top = 4.dp)
                             .fillMaxWidth()
+                            .windowInsetsPadding(WindowInsets(0.dp, 0.dp, 0.dp, 0.dp))
                     )
                 } else if (mediaType.startsWith("video") && Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
                     var bitmap by remember { mutableStateOf<Bitmap?>(null) }
@@ -622,33 +728,44 @@ fun ImageVideoDescription(
                     label = stringResource(id = R.string.file_server),
                     placeholder = fileServers.filter { it.first == defaultServer }.firstOrNull()?.second ?: fileServers[0].second,
                     options = fileServerOptions,
+                    explainers = fileServerExplainers,
                     onSelect = {
                         selectedServer = fileServers[it].first
                     },
                     modifier = Modifier
+                        .windowInsetsPadding(WindowInsets(0.dp, 0.dp, 0.dp, 0.dp))
                         .weight(1f)
                 )
             }
 
-            Row(
-                verticalAlignment = Alignment.CenterVertically,
-                modifier = Modifier.fillMaxWidth()
+            if (selectedServer == ServersAvailable.NOSTRIMG_NIP_94 ||
+                selectedServer == ServersAvailable.IMGUR_NIP_94 ||
+                selectedServer == ServersAvailable.NIP95
             ) {
-                OutlinedTextField(
-                    label = { Text(text = stringResource(R.string.content_description)) },
-                    modifier = Modifier.fillMaxWidth(),
-                    value = message,
-                    onValueChange = { message = it },
-                    placeholder = {
-                        Text(
-                            text = stringResource(R.string.content_description_example),
-                            color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                Row(
+                    verticalAlignment = Alignment.CenterVertically,
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .windowInsetsPadding(WindowInsets(0.dp, 0.dp, 0.dp, 0.dp))
+                ) {
+                    OutlinedTextField(
+                        label = { Text(text = stringResource(R.string.content_description)) },
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .windowInsetsPadding(WindowInsets(0.dp, 0.dp, 0.dp, 0.dp)),
+                        value = message,
+                        onValueChange = { message = it },
+                        placeholder = {
+                            Text(
+                                text = stringResource(R.string.content_description_example),
+                                color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                            )
+                        },
+                        keyboardOptions = KeyboardOptions.Default.copy(
+                            capitalization = KeyboardCapitalization.Sentences
                         )
-                    },
-                    keyboardOptions = KeyboardOptions.Default.copy(
-                        capitalization = KeyboardCapitalization.Sentences
                     )
-                )
+                }
             }
 
             Button(

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

@@ -37,6 +37,7 @@ open class NewPostViewModel : ViewModel() {
 
     var userSuggestions by mutableStateOf<List<User>>(emptyList())
     var userSuggestionAnchor: TextRange? = null
+    var userSuggestionsMainMessage: Boolean? = null
 
     // Images and Videos
     var contentToAddUrl by mutableStateOf<Uri?>(null)
@@ -61,6 +62,11 @@ open class NewPostViewModel : ViewModel() {
     var canAddInvoice by mutableStateOf(false)
     var wantsInvoice by mutableStateOf(false)
 
+    // Forward Zap to
+    var wantsForwardZapTo by mutableStateOf(false)
+    var forwardZapTo by mutableStateOf<User?>(null)
+    var forwardZapToEditting by mutableStateOf(TextFieldValue(""))
+
     open fun load(account: Account, replyingTo: Note?, quote: Note?) {
         originalNote = replyingTo
         replyingTo?.let { replyNote ->
@@ -90,6 +96,10 @@ open class NewPostViewModel : ViewModel() {
         canUsePoll = originalNote?.event !is PrivateDmEvent && originalNote?.channel() == null
         contentToAddUrl = null
 
+        wantsForwardZapTo = false
+        forwardZapTo = null
+        forwardZapToEditting = TextFieldValue("")
+
         this.account = account
     }
 
@@ -97,14 +107,24 @@ open class NewPostViewModel : ViewModel() {
         val tagger = NewMessageTagger(originalNote?.channel(), mentions, replyTos, message.text)
         tagger.run()
 
-        if (wantsPoll) {
-            account?.sendPoll(tagger.message, tagger.replyTos, tagger.mentions, pollOptions, valueMaximum, valueMinimum, consensusThreshold, closedAt)
-        } else if (originalNote?.channel() != null) {
-            account?.sendChannelMessage(tagger.message, tagger.channel!!.idHex, tagger.replyTos, tagger.mentions)
-        } else if (originalNote?.event is PrivateDmEvent) {
-            account?.sendPrivateMessage(tagger.message, originalNote!!.author!!.pubkeyHex, originalNote!!, tagger.mentions)
+        val zapReceiver = if (wantsForwardZapTo) {
+            if (forwardZapTo != null) {
+                forwardZapTo?.info?.lud16 ?: forwardZapTo?.info?.lud06
+            } else {
+                forwardZapToEditting.text
+            }
         } else {
-            account?.sendPost(tagger.message, tagger.replyTos, tagger.mentions)
+            null
+        }
+
+        if (wantsPoll) {
+            account?.sendPoll(tagger.message, tagger.replyTos, tagger.mentions, pollOptions, valueMaximum, valueMinimum, consensusThreshold, closedAt, zapReceiver)
+        } else if (originalNote?.channel() != null) {
+            account?.sendChannelMessage(tagger.message, tagger.channel!!.idHex, tagger.replyTos, tagger.mentions, zapReceiver)
+        } else if (originalNote?.event is PrivateDmEvent) {
+            account?.sendPrivateMessage(tagger.message, originalNote!!.author!!.pubkeyHex, originalNote!!, tagger.mentions, zapReceiver)
+        } else {
+            account?.sendPost(tagger.message, tagger.replyTos, tagger.mentions, null, zapReceiver)
         }
 
         cancel()
@@ -127,7 +147,13 @@ open class NewPostViewModel : ViewModel() {
                 server = server,
                 contentResolver = contentResolver,
                 onSuccess = { imageUrl, mimeType ->
-                    createNIP94Record(imageUrl, mimeType, description)
+                    if (server == ServersAvailable.IMGUR_NIP_94 || server == ServersAvailable.NOSTRIMG_NIP_94) {
+                        createNIP94Record(imageUrl, mimeType, description)
+                    } else {
+                        isUploadingImage = false
+                        message = TextFieldValue(message.text + "\n\n" + imageUrl)
+                        urlPreview = findUrlInMessage()
+                    }
                 },
                 onError = {
                     isUploadingImage = false
@@ -155,6 +181,14 @@ open class NewPostViewModel : ViewModel() {
         closedAt = null
 
         wantsInvoice = false
+
+        wantsForwardZapTo = false
+        forwardZapTo = null
+        forwardZapToEditting = TextFieldValue("")
+
+        userSuggestions = emptyList()
+        userSuggestionAnchor = null
+        userSuggestionsMainMessage = null
     }
 
     open fun findUrlInMessage(): String? {
@@ -176,6 +210,21 @@ open class NewPostViewModel : ViewModel() {
         if (it.selection.collapsed) {
             val lastWord = it.text.substring(0, it.selection.end).substringAfterLast("\n").substringAfterLast(" ")
             userSuggestionAnchor = it.selection
+            userSuggestionsMainMessage = true
+            if (lastWord.startsWith("@") && lastWord.length > 2) {
+                userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@"))
+            } else {
+                userSuggestions = emptyList()
+            }
+        }
+    }
+
+    open fun updateZapForwardTo(it: TextFieldValue) {
+        forwardZapToEditting = it
+        if (it.selection.collapsed) {
+            val lastWord = it.text.substring(0, it.selection.end).substringAfterLast("\n").substringAfterLast(" ")
+            userSuggestionAnchor = it.selection
+            userSuggestionsMainMessage = false
             if (lastWord.startsWith("@") && lastWord.length > 2) {
                 userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@"))
             } else {
@@ -186,15 +235,29 @@ open class NewPostViewModel : ViewModel() {
 
     open fun autocompleteWithUser(item: User) {
         userSuggestionAnchor?.let {
-            val lastWord = message.text.substring(0, it.end).substringAfterLast("\n").substringAfterLast(" ")
-            val lastWordStart = it.end - lastWord.length
-            val wordToInsert = "@${item.pubkeyNpub()}"
+            if (userSuggestionsMainMessage == true) {
+                val lastWord = message.text.substring(0, it.end).substringAfterLast("\n").substringAfterLast(" ")
+                val lastWordStart = it.end - lastWord.length
+                val wordToInsert = "@${item.pubkeyNpub()}"
+
+                message = TextFieldValue(
+                    message.text.replaceRange(lastWordStart, it.end, wordToInsert),
+                    TextRange(lastWordStart + wordToInsert.length, lastWordStart + wordToInsert.length)
+                )
+            } else {
+                val lastWord = forwardZapToEditting.text.substring(0, it.end).substringAfterLast("\n").substringAfterLast(" ")
+                val lastWordStart = it.end - lastWord.length
+                val wordToInsert = "@${item.pubkeyNpub()}"
+                forwardZapTo = item
+
+                forwardZapToEditting = TextFieldValue(
+                    forwardZapToEditting.text.replaceRange(lastWordStart, it.end, wordToInsert),
+                    TextRange(lastWordStart + wordToInsert.length, lastWordStart + wordToInsert.length)
+                )
+            }
 
-            message = TextFieldValue(
-                message.text.replaceRange(lastWordStart, it.end, wordToInsert),
-                TextRange(lastWordStart + wordToInsert.length, lastWordStart + wordToInsert.length)
-            )
             userSuggestionAnchor = null
+            userSuggestionsMainMessage = null
             userSuggestions = emptyList()
         }
     }

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

@@ -59,7 +59,7 @@ val noProtocolUrlValidator = Pattern.compile("(([\\w\\d-]+\\.)*[a-zA-Z][\\w-]+[\
 val tagIndex = Pattern.compile("\\#\\[([0-9]+)\\](.*)")
 
 val mentionsPattern: Pattern = Pattern.compile("@([A-Za-z0-9_\\-]+)")
-val hashTagsPattern: Pattern = Pattern.compile("#([a-z0-9_\\-]+)(.*)", Pattern.CASE_INSENSITIVE)
+val hashTagsPattern: Pattern = Pattern.compile("#([^\\s!@#\$%^&*()=+./,\\[{\\]};:'\"?><]+)(.*)", Pattern.CASE_INSENSITIVE)
 val urlPattern: Pattern = Patterns.WEB_URL
 
 fun isValidURL(url: String?): Boolean {

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

@@ -80,25 +80,29 @@ abstract class ZoomableContent(
 abstract class ZoomableUrlContent(
     val url: String,
     description: String? = null,
-    val hash: String? = null
+    val hash: String? = null,
+    val uri: String? = null
 ) : ZoomableContent(description)
 
 class ZoomableUrlImage(
     url: String,
     description: String? = null,
     hash: String? = null,
-    val bluehash: String? = null
-) : ZoomableUrlContent(url, description, hash)
+    val bluehash: String? = null,
+    uri: String? = null
+) : ZoomableUrlContent(url, description, hash, uri)
 
 class ZoomableUrlVideo(
     url: String,
     description: String? = null,
-    hash: String? = null
-) : ZoomableUrlContent(url, description, hash)
+    hash: String? = null,
+    uri: String? = null
+) : ZoomableUrlContent(url, description, hash, uri)
 
 abstract class ZoomablePreloadedContent(
     description: String? = null,
-    val isVerified: Boolean? = null
+    val isVerified: Boolean? = null,
+    val uri: String
 ) : ZoomableContent(description)
 
 class ZoomableBitmapImage(
@@ -106,15 +110,17 @@ class ZoomableBitmapImage(
     val mimeType: String? = null,
     description: String? = null,
     val bluehash: String? = null,
-    isVerified: Boolean? = null
-) : ZoomablePreloadedContent(description, isVerified)
+    isVerified: Boolean? = null,
+    uri: String
+) : ZoomablePreloadedContent(description, isVerified, uri)
 
 class ZoomableBytesVideo(
     val byteArray: ByteArray,
     val mimeType: String? = null,
     description: String? = null,
-    isVerified: Boolean? = null
-) : ZoomablePreloadedContent(description, isVerified)
+    isVerified: Boolean? = null,
+    uri: String
+) : ZoomablePreloadedContent(description, isVerified, uri)
 
 fun figureOutMimeType(fullUrl: String): ZoomableContent {
     val removedParamsFromUrl = fullUrl.split("?")[0].lowercase()
@@ -189,7 +195,17 @@ fun ZoomableContentView(content: ZoomableContent, images: List<ZoomableContent>
     if (content is ZoomableUrlContent) {
         mainImageModifier = mainImageModifier.combinedClickable(
             onClick = { dialogOpen = true },
-            onLongClick = { clipboardManager.setText(AnnotatedString(content.url)) }
+            onLongClick = { clipboardManager.setText(AnnotatedString(content.uri ?: content.url)) }
+        )
+    } else if (content is ZoomableBitmapImage) {
+        mainImageModifier = mainImageModifier.combinedClickable(
+            onClick = { dialogOpen = true },
+            onLongClick = { clipboardManager.setText(AnnotatedString(content.uri)) }
+        )
+    } else if (content is ZoomableBytesVideo) {
+        mainImageModifier = mainImageModifier.combinedClickable(
+            onClick = { dialogOpen = true },
+            onLongClick = { clipboardManager.setText(AnnotatedString(content.uri)) }
         )
     } else {
         mainImageModifier = mainImageModifier.clickable {

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

@@ -795,10 +795,11 @@ fun FileHeaderDisplay(note: Note) {
             val removedParamsFromUrl = fullUrl.split("?")[0].lowercase()
             val isImage = imageExtensions.any { removedParamsFromUrl.endsWith(it) }
             val isVideo = videoExtensions.any { removedParamsFromUrl.endsWith(it) }
+            val uri = "nostr:" + note.toNEvent()
             content = if (isImage) {
-                ZoomableUrlImage(fullUrl, description, hash, blurHash)
+                ZoomableUrlImage(fullUrl, description, hash, blurHash, uri)
             } else {
-                ZoomableUrlVideo(fullUrl, description, hash)
+                ZoomableUrlVideo(fullUrl, description, hash, uri)
             }
         }
     }
@@ -823,16 +824,17 @@ fun FileStorageHeaderDisplay(baseNote: Note) {
 
     LaunchedEffect(key1 = eventHeader.id, key2 = noteState) {
         withContext(Dispatchers.IO) {
+            val uri = "nostr:" + baseNote.toNEvent()
             val bytes = eventBytes?.decode()
             val blurHash = eventHeader.blurhash()
             val description = eventHeader.content
             val mimeType = eventHeader.mimeType()
 
             content = if (mimeType?.startsWith("image") == true) {
-                ZoomableBitmapImage(bytes, mimeType, description, blurHash, true)
+                ZoomableBitmapImage(bytes, mimeType, description, blurHash, true, uri)
             } else {
                 if (bytes != null) {
-                    ZoomableBytesVideo(bytes, mimeType, description, true)
+                    ZoomableBytesVideo(bytes, mimeType, description, true, uri)
                 } else {
                     null
                 }

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

@@ -60,7 +60,7 @@ class AccountViewModel(private val account: Account) : ViewModel() {
     }
 
     fun zap(note: Note, amount: Long, pollOption: Int?, message: String, context: Context, onError: (String) -> Unit, onProgress: (percent: Float) -> Unit, zapType: LnZapEvent.ZapType) {
-        val lud16 = note.author?.info?.lud16?.trim() ?: note.author?.info?.lud06?.trim()
+        val lud16 = note.event?.zapAddress() ?: note.author?.info?.lud16?.trim() ?: note.author?.info?.lud06?.trim()
 
         if (lud16.isNullOrBlank()) {
             onError(context.getString(R.string.user_does_not_have_a_lightning_address_setup_to_receive_sats))

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

@@ -325,5 +325,21 @@
 
 
     <string name="file_server">File Server</string>
+    <string name="zap_forward_lnAddress">LnAddress or @User</string>
+
+    <string name="upload_server_imgur">imgur.com - less secure</string>
+    <string name="upload_server_imgur_explainer">Uploads to Imgur. Imgur can change your image/video at any time</string>
+
+    <string name="upload_server_nostrimg">nostrimg.com - less secure</string>
+    <string name="upload_server_nostrimg_explainer">Uploads to NostrImg. NostrImg can change your image at any time</string>
+
+    <string name="upload_server_imgur_nip94">Verifiable Imgur (NIP-94)</string>
+    <string name="upload_server_imgur_nip94_explainer">Protects from Imgur changing your image/video after you post</string>
+
+    <string name="upload_server_nostrimg_nip94">Verifiable NostrImg (NIP-94)</string>
+    <string name="upload_server_nostrimg_nip94_explainer">Protects from NostrImg changing your image after you post</string>
+
+    <string name="upload_server_relays_nip95">Your relays (NIP-95)</string>
+    <string name="upload_server_relays_nip95_explainer">Files are uploaded to and hosted by relays. They are free from a fixed url (third-party dependency). Make sure to have a NIP-95 relay in your relay list</string>
 
 </resources>

build.gradle

@@ -1,6 +1,6 @@
 buildscript {
     ext {
-        fragment_version = "1.5.6"
+        fragment_version = "1.5.7"
         lifecycle_version = '2.6.1'
         compose_ui_version = '1.5.0-alpha03'
         nav_version = "2.5.3"