v0.52.2

Sensitive content Hungarian translation

.idea/kotlinc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="KotlinJpsPluginSettings">
-    <option name="version" value="1.8.10" />
+    <option name="version" value="1.8.21" />
   </component>
 </project>

PRIVACY.md

@@ -4,7 +4,7 @@ Effective as of Jan 20, 2023 for the distributed applications in the Play Store
 
 The Amethyst app for Android does not collect or process any personal information from its users. The app is used to connect to third-party Nostr servers (also called Relays) that may or may not collect personal information and are not covered by this privacy policy. Each third-party relay server comes equipped with its own privacy policy and terms of use that can be viewed through the app or through that server's website. The developers of this open source project or maintainers of the distribution channels (app stores) do not have access to the data located in the user's phone. Accounts are fully maintained by the user. We do not have control over them. 
 
-Data from connected accounts is only stored locally on the device when it is required for functionality and performance of Amethyst. This data is strictly confidental and cannot be accessed by other apps (on non-rooted devices). Phone data can be deleted by clearing Amethyst's local storage or uninstalling the app.
+The app may collect a per-device token, your public key and a preferred Relay to connect to and provide push notification services through Google's Firebase Cloud Messaging. Other than that, the data from connected accounts is only stored locally on the device when it is required for functionality and performance of Amethyst. This data is strictly confidental and cannot be accessed by other apps (on non-rooted devices). Phone data can be deleted by clearing Amethyst's local storage or uninstalling the app.
 
 You cannot use the Amethyst app for Android to submit Objectionable Content to relays. Objectionable Content includes, but is not limited to: (i) sexually explicit materials; (ii) obscene, defamatory, libelous, slanderous, violent and/or unlawful content or profanity; (iii) content that infringes upon the rights of any third party, including copyright, trademark, privacy, publicity or other personal or proprietary right, or that is deceptive or fraudulent; (iv) content that promotes the use or sale of illegal or regulated substances, tobacco products, ammunition and/or firearms; and (v) illegal content related to gambling.
 

README.md

@@ -15,7 +15,7 @@ Or get the latest APK from the [Releases Section](https://github.com/vitorpamplo
 
 # Current Features
 
-- [x] Event Builders / WebSocket Subscriptions (NIP-01, NIP-15)
+- [x] Event Builders / WebSocket Subscriptions (NIP-01)
 - [x] Home Feed
 - [x] Notifications Feed
 - [x] Global Feed
@@ -34,7 +34,8 @@ Or get the latest APK from the [Releases Section](https://github.com/vitorpamplo
 - [x] Lightning Tips
 - [x] Zaps (private, public, anon, non-zap) (NIP-57)
 - [x] URI Support (NIP-21)
-- [x] Event Deletion (NIP-09: like, boost, text notes and reports)
+- [x] Created_at Limits (NIP-22)
+- [x] Event Deletion (NIP-09)
 - [x] Identity Verification (NIP-05)
 - [x] Long-form Content (NIP-23)
 - [x] Parameterized Replaceable Events (NIP-33)
@@ -54,13 +55,18 @@ Or get the latest APK from the [Releases Section](https://github.com/vitorpamplo
 - [x] Markdown Support
 - [x] Relay Authentication (NIP-42)
 - [x] Content stored in relays themselves (NIP-95)
+- [x] Custom Emoji (NIP-30)
+- [x] Text Note References (NIP-27)
+- [x] Audio Tracks (zapstr.live) (NIP-TBD)
+- [x] Push Notifications (Zaps and Messages)
+- [x] Generic Tags (NIP-12)
+- [x] Sensitive Content (NIP-36)
+- [ ] Marketplace (NIP-15)
 - [ ] Image/Video Capture in the app
 - [ ] Local Database 
 - [ ] View Individual Reactions (Like, Boost, Zaps, Reports) per Post
 - [ ] Bookmarks, Pinned Posts, Muted Events (NIP-51)
-- [ ] Sensitive Content (NIP-36) 
 - [ ] Relay Pages (NIP-11)
-- [ ] Generic Tags (NIP-12)
 - [ ] Proof of Work in the Phone (NIP-13, NIP-20)
 - [ ] Events with a Subject (NIP-14)
 - [ ] Workspaces
@@ -69,8 +75,10 @@ Or get the latest APK from the [Releases Section](https://github.com/vitorpamplo
 - [ ] Relay List Metadata (NIP-65)
 - [ ] Signing Requests (NIP-46)
 - [ ] Delegated Event Signing (NIP-26)
-- [ ] Account Creation / Backup Guidance (NIP-06)
+- [ ] Account Creation / Backup Guidance
+- [ ] Mnemonic seed phrase (NIP-06)
 - [ ] Message Sent feedback (NIP-20)
+- [ ] OpenTimestamps Attestations (NIP-03)
 
 
 # Development Overview

app/build.gradle

@@ -2,6 +2,7 @@ plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
     id 'org.jlleitschuh.gradle.ktlint' version "11.3.1"
+    id 'com.google.gms.google-services'
 }
 
 android {
@@ -12,8 +13,8 @@ android {
         applicationId "com.vitorpamplona.amethyst"
         minSdk 26
         targetSdk 33
-        versionCode 150
-        versionName "0.43.2"
+        versionCode 182
+        versionName "0.52.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
@@ -23,6 +24,7 @@ android {
 
     buildTypes {
         release {
+            // TODO: Make sure all of JSON parsers work when activating these.
             //minifyEnabled true
             //proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
             resValue "string", "app_name", "@string/app_name_release"
@@ -70,7 +72,7 @@ android {
     }
 
     composeOptions {
-        kotlinCompilerExtensionVersion "1.4.3"
+        kotlinCompilerExtensionVersion "1.4.7"
     }
 
     packagingOptions {
@@ -81,12 +83,11 @@ android {
     lint {
         disable 'MissingTranslation'
     }
-
 }
 
 dependencies {
-    implementation 'androidx.core:core-ktx:1.10.0'
-    implementation 'androidx.activity:activity-compose:1.7.0'
+    implementation 'androidx.core:core-ktx:1.10.1'
+    implementation 'androidx.activity:activity-compose:1.7.2'
     implementation "androidx.compose.ui:ui:$compose_ui_version"
     implementation "androidx.compose.ui:ui-tooling-preview:$compose_ui_version"
 
@@ -114,7 +115,7 @@ dependencies {
     implementation "androidx.biometric:biometric-ktx:1.2.0-alpha05"
 
     // Bitcoin secp256k1 bindings to Android
-    implementation 'fr.acinq.secp256k1:secp256k1-kmp-jni-android:0.9.0'
+    implementation 'fr.acinq.secp256k1:secp256k1-kmp-jni-android:0.10.0'
 
     // Nostr Base Protocol
     implementation('com.github.vitorpamplona.NostrPostr:nostrpostrlib:master-SNAPSHOT') {
@@ -127,17 +128,18 @@ dependencies {
     implementation 'com.squareup.okhttp3:okhttp:5.0.0-alpha.11'
 
     // Json Serialization TODO: We might need to converge between gson and Jackson (we are usin both)
-    implementation 'com.fasterxml.jackson.module:jackson-module-kotlin:2.15.0'
+    implementation 'com.fasterxml.jackson.module:jackson-module-kotlin:2.15.1'
     implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
 
     // link preview
-    implementation 'tw.com.oneup.www:Baha-UrlPreview:1.0.1'
+    implementation 'org.jsoup:jsoup:1.16.1'
+    //implementation 'tw.com.oneup.www:Baha-UrlPreview:1.0.1'
 
     // Encrypted Key Storage
     implementation 'androidx.security:security-crypto-ktx:1.1.0-alpha06'
 
     // view videos
-    implementation 'com.google.android.exoplayer:exoplayer:2.18.6'
+    implementation 'com.google.android.exoplayer:exoplayer:2.18.7'
 
     // Load images from the web.
     implementation "io.coil-kt:coil-compose:$coil_version"
@@ -172,8 +174,21 @@ dependencies {
     // Google services model the translate text
     playImplementation 'com.google.mlkit:translate:17.0.1'
 
+    // PushNotifications
+    playImplementation platform('com.google.firebase:firebase-bom:32.0.0')
+    playImplementation 'com.google.firebase:firebase-messaging-ktx'
+
+    // Charts
+    implementation "com.patrykandpatrick.vico:core:${vico_version}"
+    implementation "com.patrykandpatrick.vico:compose:${vico_version}"
+    implementation "com.patrykandpatrick.vico:views:${vico_version}"
+    implementation "com.patrykandpatrick.vico:compose-m2:${vico_version}"
+
+    // immutable collections to avoid recomposition
+    implementation("org.jetbrains.kotlinx:kotlinx-collections-immutable:0.3.5")
+
     // Automatic memory leak detection
-    debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.10'
+    debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.11'
 
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'io.mockk:mockk:1.13.5'

app/google-services.json

@@ -0,0 +1,68 @@
+{
+  "project_info": {
+    "project_number": "768341258853",
+    "project_id": "amethyst-3057a",
+    "storage_bucket": "amethyst-3057a.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:768341258853:android:5d07c35a37b24ff36b8c8c",
+        "android_client_info": {
+          "package_name": "com.vitorpamplona.amethyst"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "768341258853-6um8ig59qstvio60gfo60fe5e45lnqqe.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyB7ZxgdpgrN6R223HCFdfv4ulP8Egp7trE"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "768341258853-6um8ig59qstvio60gfo60fe5e45lnqqe.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        }
+      }
+    },
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:768341258853:android:e0200680f552484d6b8c8c",
+        "android_client_info": {
+          "package_name": "com.vitorpamplona.amethyst.debug"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "768341258853-6um8ig59qstvio60gfo60fe5e45lnqqe.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyB7ZxgdpgrN6R223HCFdfv4ulP8Egp7trE"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "768341258853-6um8ig59qstvio60gfo60fe5e45lnqqe.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

app/src/androidTest/java/com/vitorpamplona/amethyst/CitationTests.kt

@@ -0,0 +1,89 @@
+package com.vitorpamplona.amethyst
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.vitorpamplona.amethyst.service.model.Event
+import com.vitorpamplona.amethyst.service.model.TextNoteEvent
+import junit.framework.TestCase.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class CitationTests {
+    val json = """
+    {
+  "content": "Astral:\n\nhttps://void.cat/d/A5Fba5B1bcxwEmeyoD9nBs.webp\n\nIris:\n\nhttps://void.cat/d/44hTcVvhRps6xYYs99QsqA.webp\n\nSnort:\n\nhttps://void.cat/d/4nJD5TRePuQChM5tzteYbU.webp\n\nAmethyst agrees with Astral which I suspect are both wrong. nostr:npub13sx6fp3pxq5rl70x0kyfmunyzaa9pzt5utltjm0p8xqyafndv95q3saapa nostr:npub1v0lxxxxutpvrelsksy8cdhgfux9l6a42hsj2qzquu2zk7vc9qnkszrqj49 nostr:npub1g53mukxnjkcmr94fhryzkqutdz2ukq4ks0gvy5af25rgmwsl4ngq43drvk nostr:npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z ",
+  "created_at": 1683596206,
+  "id": "98b574c3527f0ffb30b7271084e3f07480733c7289f8de424d29eae82e36c758",
+  "kind": 1,
+  "pubkey": "46fcbe3065eaf1ae7811465924e48923363ff3f526bd6f73d7c184b16bd8ce4d",
+  "sig": "4aa5264965018fa12a326686ad3d3bd8beae3218dcc83689b19ca1e6baeb791531943c15363aa6707c7c0c8b2d601deca1f20c32078b2872d356cdca03b04cce",
+  "tags": [
+    [
+      "e",
+      "27ac621d7dc4a932e1a79f984308e7d20656dd6fddb2ce9cdfcb6a67b9a7bcc3",
+      "",
+      "root"
+    ],
+    [
+      "e",
+      "be7245af96210a0dd048cab4ad38e52dbd6c09a53ea21a7edb6be8898e5727cc",
+      "",
+      "reply"
+    ],
+    [
+      "p",
+      "22aa81510ee63fe2b16cae16e0921f78e9ba9882e2868e7e63ad6d08ae9b5954"
+    ],
+    [
+      "p",
+      "22aa81510ee63fe2b16cae16e0921f78e9ba9882e2868e7e63ad6d08ae9b5954"
+    ],
+    [
+      "p",
+      "3f770d65d3a764a9c5cb503ae123e62ec7598ad035d836e2a810f3877a745b24"
+    ],
+    [
+      "p",
+      "ec4d241c334311b3a304433ee3442be29d0e88e7ec19b85edf2bba29b93565e2"
+    ],
+    [
+      "p",
+      "0fe0b18b4dbf0e0aa40fcd47209b2a49b3431fc453b460efcf45ca0bd16bd6ac"
+    ],
+    [
+      "p",
+      "8c0da4862130283ff9e67d889df264177a508974e2feb96de139804ea66d6168"
+    ],
+    [
+      "p",
+      "63fe6318dc58583cfe16810f86dd09e18bfd76aabc24a0081ce2856f330504ed"
+    ],
+    [
+      "p",
+      "4523be58d395b1b196a9b8c82b038b6895cb02b683d0c253a955068dba1facd0"
+    ],
+    [
+      "p",
+      "460c25e682fda7832b52d1f22d3d22b3176d972f60dcdc3212ed8c92ef85065c"
+    ]
+  ],
+  "seenOn": [
+    "wss://nostr.wine/"
+  ]
+}
+"""
+
+    @Test
+    fun parseEvent() {
+        val event = Event.fromJson(json, true) as TextNoteEvent
+
+        val expectedCitations = setOf(
+            "8c0da4862130283ff9e67d889df264177a508974e2feb96de139804ea66d6168",
+            "63fe6318dc58583cfe16810f86dd09e18bfd76aabc24a0081ce2856f330504ed",
+            "4523be58d395b1b196a9b8c82b038b6895cb02b683d0c253a955068dba1facd0",
+            "460c25e682fda7832b52d1f22d3d22b3176d972f60dcdc3212ed8c92ef85065c"
+        )
+
+        assertEquals(expectedCitations, event.citedUsers())
+    }
+}

app/src/fdroid/java/com/vitorpamplona/amethyst/service/notifications/PushNotificationUtils.kt

@@ -0,0 +1,8 @@
+package com.vitorpamplona.amethyst.service.notifications
+
+import com.vitorpamplona.amethyst.AccountInfo
+
+class PushNotificationUtils {
+    fun init(accounts: List<AccountInfo>) {
+    }
+}

app/src/fdroid/java/com/vitorpamplona/amethyst/ui/components/TranslatableRichTextViewer.kt

@@ -3,7 +3,6 @@ package com.vitorpamplona.amethyst.ui.components
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 
 @Composable
@@ -14,7 +13,7 @@ fun TranslatableRichTextViewer(
     tags: List<List<String>>?,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
-    navController: NavController
+    nav: (String) -> Unit
 ) = ExpandableRichTextViewer(
     content,
     canPreview,
@@ -22,5 +21,5 @@ fun TranslatableRichTextViewer(
     tags,
     backgroundColor,
     accountViewModel,
-    navController
+    nav
 )

app/src/main/AndroidManifest.xml

@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
-
+    <queries>
+        <package android:name="org.torproject.android"/>
+    </queries>
     <uses-feature android:name="android.hardware.camera" android:required="false" />
 
     <uses-permission android:name="android.permission.INTERNET"/>
@@ -33,6 +35,7 @@
             android:name=".ui.MainActivity"
             android:exported="true"
             android:windowSoftInputMode="adjustResize"
+            android:configChanges="orientation|screenSize|screenLayout"
             android:theme="@style/Theme.Amethyst">
 
             <intent-filter android:label="Amethyst">
@@ -70,6 +73,7 @@
             android:name="com.journeyapps.barcodescanner.CaptureActivity"
             android:screenOrientation="fullSensor"
             tools:replace="screenOrientation" />
+
     </application>
 
 </manifest>

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

@@ -10,6 +10,7 @@ import com.vitorpamplona.amethyst.model.GLOBAL_FOLLOWS
 import com.vitorpamplona.amethyst.model.KIND3_FOLLOWS
 import com.vitorpamplona.amethyst.model.RelaySetupInfo
 import com.vitorpamplona.amethyst.model.hexToByteArray
+import com.vitorpamplona.amethyst.service.HttpClient
 import com.vitorpamplona.amethyst.service.model.ContactListEvent
 import com.vitorpamplona.amethyst.service.model.Event
 import com.vitorpamplona.amethyst.service.model.Event.Companion.getRefinedEvent
@@ -50,10 +51,14 @@ private object PrefKeys {
     const val DEFAULT_FILE_SERVER = "defaultFileServer"
     const val DEFAULT_HOME_FOLLOW_LIST = "defaultHomeFollowList"
     const val DEFAULT_STORIES_FOLLOW_LIST = "defaultStoriesFollowList"
+    const val DEFAULT_NOTIFICATION_FOLLOW_LIST = "defaultNotificationFollowList"
     const val ZAP_PAYMENT_REQUEST_SERVER = "zapPaymentServer"
     const val LATEST_CONTACT_LIST = "latestContactList"
     const val HIDE_DELETE_REQUEST_DIALOG = "hide_delete_request_dialog"
     const val HIDE_BLOCK_ALERT_DIALOG = "hide_block_alert_dialog"
+    const val USE_PROXY = "use_proxy"
+    const val PROXY_PORT = "proxy_port"
+    const val SHOW_SENSITIVE_CONTENT = "show_sensitive_content"
     val LAST_READ: (String) -> String = { route -> "last_read_route_$route" }
 }
 
@@ -203,15 +208,30 @@ object LocalPreferences {
             putString(PrefKeys.DEFAULT_FILE_SERVER, gson.toJson(account.defaultFileServer))
             putString(PrefKeys.DEFAULT_HOME_FOLLOW_LIST, account.defaultHomeFollowList)
             putString(PrefKeys.DEFAULT_STORIES_FOLLOW_LIST, account.defaultStoriesFollowList)
+            putString(PrefKeys.DEFAULT_NOTIFICATION_FOLLOW_LIST, account.defaultNotificationFollowList)
             putString(PrefKeys.ZAP_PAYMENT_REQUEST_SERVER, gson.toJson(account.zapPaymentRequest))
             putString(PrefKeys.LATEST_CONTACT_LIST, Event.gson.toJson(account.backupContactList))
             putBoolean(PrefKeys.HIDE_DELETE_REQUEST_DIALOG, account.hideDeleteRequestDialog)
             putBoolean(PrefKeys.HIDE_BLOCK_ALERT_DIALOG, account.hideBlockAlertDialog)
+            putBoolean(PrefKeys.USE_PROXY, account.proxy != null)
+            putInt(PrefKeys.PROXY_PORT, account.proxyPort)
+
+            if (account.showSensitiveContent == null) {
+                remove(PrefKeys.SHOW_SENSITIVE_CONTENT)
+            } else {
+                putBoolean(PrefKeys.SHOW_SENSITIVE_CONTENT, account.showSensitiveContent!!)
+            }
         }.apply()
     }
 
     fun loadFromEncryptedStorage(): Account? {
-        encryptedPreferences(currentAccount()).apply {
+        val acc = loadFromEncryptedStorage(currentAccount())
+        acc?.registerObservers()
+        return acc
+    }
+
+    fun loadFromEncryptedStorage(npub: String?): Account? {
+        encryptedPreferences(npub).apply {
             val pubKey = getString(PrefKeys.NOSTR_PUBKEY, null) ?: return null
             val privKey = getString(PrefKeys.NOSTR_PRIVKEY, null)
             val followingChannels = getStringSet(PrefKeys.FOLLOWING_CHANNELS, null) ?: setOf()
@@ -225,6 +245,7 @@ object LocalPreferences {
             val translateTo = getString(PrefKeys.TRANSLATE_TO, null) ?: Locale.getDefault().language
             val defaultHomeFollowList = getString(PrefKeys.DEFAULT_HOME_FOLLOW_LIST, null) ?: KIND3_FOLLOWS
             val defaultStoriesFollowList = getString(PrefKeys.DEFAULT_STORIES_FOLLOW_LIST, null) ?: GLOBAL_FOLLOWS
+            val defaultNotificationFollowList = getString(PrefKeys.DEFAULT_NOTIFICATION_FOLLOW_LIST, null) ?: GLOBAL_FOLLOWS
 
             val zapAmountChoices = gson.fromJson(
                 getString(PrefKeys.ZAP_AMOUNTS, "[]"),
@@ -237,9 +258,9 @@ object LocalPreferences {
             ) ?: LnZapEvent.ZapType.PUBLIC
 
             val defaultFileServer = gson.fromJson(
-                getString(PrefKeys.DEFAULT_FILE_SERVER, "IMGUR"),
+                getString(PrefKeys.DEFAULT_FILE_SERVER, "NOSTR_BUILD"),
                 object : TypeToken<ServersAvailable>() {}.type
-            ) ?: ServersAvailable.IMGUR
+            ) ?: ServersAvailable.NOSTR_BUILD
 
             val zapPaymentRequestServer = try {
                 getString(PrefKeys.ZAP_PAYMENT_REQUEST_SERVER, null)?.let {
@@ -274,6 +295,15 @@ object LocalPreferences {
 
             val hideDeleteRequestDialog = getBoolean(PrefKeys.HIDE_DELETE_REQUEST_DIALOG, false)
             val hideBlockAlertDialog = getBoolean(PrefKeys.HIDE_BLOCK_ALERT_DIALOG, false)
+            val useProxy = getBoolean(PrefKeys.USE_PROXY, false)
+            val proxyPort = getInt(PrefKeys.PROXY_PORT, 9050)
+            val proxy = HttpClient.initProxy(useProxy, "127.0.0.1", proxyPort)
+
+            val showSensitiveContent = if (contains(PrefKeys.SHOW_SENSITIVE_CONTENT)) {
+                getBoolean(PrefKeys.SHOW_SENSITIVE_CONTENT, false)
+            } else {
+                null
+            }
 
             val a = Account(
                 Persona(privKey = privKey?.hexToByteArray(), pubKey = pubKey.hexToByteArray()),
@@ -288,10 +318,14 @@ object LocalPreferences {
                 defaultFileServer,
                 defaultHomeFollowList,
                 defaultStoriesFollowList,
+                defaultNotificationFollowList,
                 zapPaymentRequestServer,
                 hideDeleteRequestDialog,
                 hideBlockAlertDialog,
-                latestContactList
+                latestContactList,
+                proxy,
+                proxyPort,
+                showSensitiveContent
             )
 
             return a

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

@@ -8,6 +8,7 @@ import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 
 object NotificationCache {
+    // TODO: This must be account-based
     val lastReadByRoute = mutableMapOf<String, Long>()
 
     fun markAsRead(route: String, timestampInSecs: Long) {
@@ -38,19 +39,15 @@ object NotificationCache {
 
 class NotificationLiveData(val cache: NotificationCache) : LiveData<NotificationState>(NotificationState(cache)) {
     // Refreshes observers in batches.
-    private val bundler = BundledUpdate(300, Dispatchers.Main) {
+    private val bundler = BundledUpdate(300, Dispatchers.IO) {
         if (hasActiveObservers()) {
-            refresh()
+            postValue(NotificationState(cache))
         }
     }
 
     fun invalidateData() {
         bundler.invalidate()
     }
-
-    fun refresh() {
-        postValue(NotificationState(cache))
-    }
 }
 
 class NotificationState(val cache: NotificationCache)

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

@@ -2,6 +2,7 @@ package com.vitorpamplona.amethyst
 
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
+import com.vitorpamplona.amethyst.service.HttpClient
 import com.vitorpamplona.amethyst.service.NostrAccountDataSource
 import com.vitorpamplona.amethyst.service.NostrChannelDataSource
 import com.vitorpamplona.amethyst.service.NostrChatroomListDataSource
@@ -14,7 +15,6 @@ import com.vitorpamplona.amethyst.service.NostrThreadDataSource
 import com.vitorpamplona.amethyst.service.NostrUserProfileDataSource
 import com.vitorpamplona.amethyst.service.NostrVideoDataSource
 import com.vitorpamplona.amethyst.service.relays.Client
-import com.vitorpamplona.amethyst.service.relays.Constants
 
 object ServiceManager {
     private var account: Account? = null
@@ -26,7 +26,7 @@ object ServiceManager {
 
     fun start() {
         val myAccount = account
-
+        HttpClient.start(account)
         if (myAccount != null) {
             Client.connect(myAccount.activeRelays() ?: myAccount.convertLocalRelays())
 
@@ -45,9 +45,6 @@ object ServiceManager {
             NostrSingleEventDataSource.start()
             NostrSingleChannelDataSource.start()
             NostrSingleUserDataSource.start()
-        } else {
-            // if not logged in yet, start a basic service wit default relays
-            Client.connect(Constants.convertDefaultRelays())
         }
     }
 

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

@@ -2,6 +2,8 @@ package com.vitorpamplona.amethyst.model
 
 import android.content.res.Resources
 import android.util.Log
+import androidx.compose.runtime.Immutable
+import androidx.compose.runtime.Stable
 import androidx.core.os.ConfigurationCompat
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.FileHeader
@@ -22,6 +24,7 @@ import kotlinx.coroutines.launch
 import nostr.postr.Persona
 import nostr.postr.Utils
 import java.math.BigDecimal
+import java.net.Proxy
 import java.util.Locale
 
 val DefaultChannels = setOf(
@@ -42,6 +45,7 @@ val GLOBAL_FOLLOWS = " Global "
 val KIND3_FOLLOWS = " All Follows "
 
 @OptIn(DelicateCoroutinesApi::class)
+@Stable
 class Account(
     val loggedIn: Persona,
     var followingChannels: Set<String> = DefaultChannels,
@@ -52,13 +56,17 @@ class Account(
     var translateTo: String = Locale.getDefault().language,
     var zapAmountChoices: List<Long> = listOf(500L, 1000L, 5000L),
     var defaultZapType: LnZapEvent.ZapType = LnZapEvent.ZapType.PRIVATE,
-    var defaultFileServer: ServersAvailable = ServersAvailable.IMGUR,
+    var defaultFileServer: ServersAvailable = ServersAvailable.NOSTR_BUILD,
     var defaultHomeFollowList: String = KIND3_FOLLOWS,
     var defaultStoriesFollowList: String = GLOBAL_FOLLOWS,
+    var defaultNotificationFollowList: String = GLOBAL_FOLLOWS,
     var zapPaymentRequest: Nip47URI? = null,
     var hideDeleteRequestDialog: Boolean = false,
     var hideBlockAlertDialog: Boolean = false,
-    var backupContactList: ContactListEvent? = null
+    var backupContactList: ContactListEvent? = null,
+    var proxy: Proxy?,
+    var proxyPort: Int,
+    var showSensitiveContent: Boolean? = null
 ) {
     var transientHiddenUsers: Set<String> = setOf()
 
@@ -213,7 +221,12 @@ class Account(
         zapPaymentRequest?.let { nip47 ->
             val event = LnZapPaymentRequestEvent.create(bolt11, nip47.pubKeyHex, nip47.secret?.hexToByteArray() ?: loggedIn.privKey!!)
 
-            val wcListener = NostrLnZapPaymentResponseDataSource(nip47.pubKeyHex, event.pubKey, event.id)
+            val wcListener = NostrLnZapPaymentResponseDataSource(
+                fromServiceHex = nip47.pubKeyHex,
+                toUserHex = event.pubKey,
+                replyingToHex = event.id,
+                authSigningKey = nip47.secret?.hexToByteArray() ?: loggedIn.privKey!!
+            )
             wcListener.start()
 
             LocalCache.consume(event, zappedNote) {
@@ -468,7 +481,14 @@ class Account(
         return LocalCache.notes[signedEvent.id]
     }
 
-    fun sendPost(message: String, replyTo: List<Note>?, mentions: List<User>?, tags: List<String>? = null, zapReceiver: String? = null) {
+    fun sendPost(
+        message: String,
+        replyTo: List<Note>?,
+        mentions: List<User>?,
+        tags: List<String>? = null,
+        zapReceiver: String? = null,
+        wantsToMarkAsSensitive: Boolean
+    ) {
         if (!isWriteable()) return
 
         val repliesToHex = replyTo?.filter { it.address() == null }?.map { it.idHex }
@@ -482,6 +502,7 @@ class Account(
             addresses = addresses,
             extraTags = tags,
             zapReceiver = zapReceiver,
+            markAsSensitive = wantsToMarkAsSensitive,
             privateKey = loggedIn.privKey!!
         )
 
@@ -498,7 +519,8 @@ class Account(
         valueMinimum: Int?,
         consensusThreshold: Int?,
         closedAt: Int?,
-        zapReceiver: String? = null
+        zapReceiver: String? = null,
+        wantsToMarkAsSensitive: Boolean
     ) {
         if (!isWriteable()) return
 
@@ -517,14 +539,15 @@ class Account(
             valueMinimum = valueMinimum,
             consensusThreshold = consensusThreshold,
             closedAt = closedAt,
-            zapReceiver = zapReceiver
+            zapReceiver = zapReceiver,
+            markAsSensitive = wantsToMarkAsSensitive
         )
         // 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>?, zapReceiver: String? = null) {
+    fun sendChannelMessage(message: String, toChannel: String, replyTo: List<Note>?, mentions: List<User>?, zapReceiver: String? = null, wantsToMarkAsSensitive: Boolean) {
         if (!isWriteable()) return
 
         // val repliesToHex = listOfNotNull(replyingTo?.idHex).ifEmpty { null }
@@ -537,13 +560,14 @@ class Account(
             replyTos = repliesToHex,
             mentions = mentionsHex,
             zapReceiver = zapReceiver,
+            markAsSensitive = wantsToMarkAsSensitive,
             privateKey = loggedIn.privKey!!
         )
         Client.send(signedEvent)
         LocalCache.consume(signedEvent, null)
     }
 
-    fun sendPrivateMessage(message: String, toUser: String, replyingTo: Note? = null, mentions: List<User>?, zapReceiver: String? = null) {
+    fun sendPrivateMessage(message: String, toUser: String, replyingTo: Note? = null, mentions: List<User>?, zapReceiver: String? = null, wantsToMarkAsSensitive: Boolean) {
         if (!isWriteable()) return
         val user = LocalCache.users[toUser] ?: return
 
@@ -557,6 +581,7 @@ class Account(
             replyTos = repliesToHex,
             mentions = mentionsHex,
             zapReceiver = zapReceiver,
+            markAsSensitive = wantsToMarkAsSensitive,
             privateKey = loggedIn.privKey!!,
             advertiseNip18 = false
         )
@@ -589,18 +614,33 @@ class Account(
 
         val bookmarks = userProfile().latestBookmarkList
 
-        val event = BookmarkListEvent.create(
-            "bookmark",
-            bookmarks?.taggedEvents() ?: emptyList(),
-            bookmarks?.taggedUsers() ?: emptyList(),
-            bookmarks?.taggedAddresses() ?: emptyList(),
+        val event = if (note is AddressableNote) {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents() ?: emptyList(),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses() ?: emptyList(),
 
-            bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!)?.plus(note.idHex) ?: listOf(note.idHex),
-            bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
-            bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!)?.plus(note.address) ?: listOf(note.address),
 
-            loggedIn.privKey!!
-        )
+                loggedIn.privKey!!
+            )
+        } else {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents() ?: emptyList(),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses() ?: emptyList(),
+
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!)?.plus(note.idHex) ?: listOf(note.idHex),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+
+                loggedIn.privKey!!
+            )
+        }
 
         Client.send(event)
         LocalCache.consume(event)
@@ -611,18 +651,33 @@ class Account(
 
         val bookmarks = userProfile().latestBookmarkList
 
-        val event = BookmarkListEvent.create(
-            "bookmark",
-            bookmarks?.taggedEvents()?.plus(note.idHex) ?: listOf(note.idHex),
-            bookmarks?.taggedUsers() ?: emptyList(),
-            bookmarks?.taggedAddresses() ?: emptyList(),
+        val event = if (note is AddressableNote) {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents() ?: emptyList(),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses()?.plus(note.address) ?: listOf(note.address),
 
-            bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
-            bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
-            bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
 
-            loggedIn.privKey!!
-        )
+                loggedIn.privKey!!
+            )
+        } else {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents()?.plus(note.idHex) ?: listOf(note.idHex),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses() ?: emptyList(),
+
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+
+                loggedIn.privKey!!
+            )
+        }
 
         Client.send(event)
         LocalCache.consume(event)
@@ -633,18 +688,33 @@ class Account(
 
         val bookmarks = userProfile().latestBookmarkList
 
-        val event = BookmarkListEvent.create(
-            "bookmark",
-            bookmarks?.taggedEvents() ?: emptyList(),
-            bookmarks?.taggedUsers() ?: emptyList(),
-            bookmarks?.taggedAddresses() ?: emptyList(),
+        val event = if (note is AddressableNote) {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents() ?: emptyList(),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses() ?: emptyList(),
 
-            bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!)?.minus(note.idHex) ?: listOf(),
-            bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
-            bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!)?.minus(note.address) ?: listOf(),
 
-            loggedIn.privKey!!
-        )
+                loggedIn.privKey!!
+            )
+        } else {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents() ?: emptyList(),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses() ?: emptyList(),
+
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!)?.minus(note.idHex) ?: listOf(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+
+                loggedIn.privKey!!
+            )
+        }
 
         Client.send(event)
         LocalCache.consume(event)
@@ -661,18 +731,33 @@ class Account(
 
         val bookmarks = userProfile().latestBookmarkList
 
-        val event = BookmarkListEvent.create(
-            "bookmark",
-            bookmarks?.taggedEvents()?.minus(note.idHex),
-            bookmarks?.taggedUsers() ?: emptyList(),
-            bookmarks?.taggedAddresses() ?: emptyList(),
+        val event = if (note is AddressableNote) {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents() ?: emptyList(),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses()?.minus(note.address),
 
-            bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
-            bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
-            bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
 
-            loggedIn.privKey!!
-        )
+                loggedIn.privKey!!
+            )
+        } else {
+            BookmarkListEvent.create(
+                "bookmark",
+                bookmarks?.taggedEvents()?.minus(note.idHex),
+                bookmarks?.taggedUsers() ?: emptyList(),
+                bookmarks?.taggedAddresses() ?: emptyList(),
+
+                bookmarks?.privateTaggedEvents(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedUsers(privKey = loggedIn.privKey!!) ?: emptyList(),
+                bookmarks?.privateTaggedAddresses(privKey = loggedIn.privKey!!) ?: emptyList(),
+
+                loggedIn.privKey!!
+            )
+        }
 
         Client.send(event)
         LocalCache.consume(event)
@@ -751,6 +836,12 @@ class Account(
         saveable.invalidateData()
     }
 
+    fun changeDefaultNotificationFollowList(name: String) {
+        defaultNotificationFollowList = name
+        live.invalidateData()
+        saveable.invalidateData()
+    }
+
     fun changeZapAmounts(newAmounts: List<Long>) {
         zapAmountChoices = newAmounts
         live.invalidateData()
@@ -867,23 +958,28 @@ class Account(
                     null
                 }
 
-                if (altPrivateKeyToUse != null && altPubkeyToUse != null) {
-                    val altPubKeyFromPrivate = Utils.pubkeyCreate(altPrivateKeyToUse).toHexKey()
+                try {
+                    if (altPrivateKeyToUse != null && altPubkeyToUse != null) {
+                        val altPubKeyFromPrivate = Utils.pubkeyCreate(altPrivateKeyToUse).toHexKey()
 
-                    if (altPubKeyFromPrivate == event.pubKey) {
-                        val result = event.getPrivateZapEvent(altPrivateKeyToUse, altPubkeyToUse)
+                        if (altPubKeyFromPrivate == event.pubKey) {
+                            val result = event.getPrivateZapEvent(altPrivateKeyToUse, altPubkeyToUse)
 
-                        if (result == null) {
-                            Log.w(
-                                "Private ZAP Decrypt",
-                                "Fail to decrypt Zap from ${note.author?.toBestDisplayName()} ${note.idNote()}"
-                            )
+                            if (result == null) {
+                                Log.w(
+                                    "Private ZAP Decrypt",
+                                    "Fail to decrypt Zap from ${note.author?.toBestDisplayName()} ${note.idNote()}"
+                                )
+                            }
+                            result
+                        } else {
+                            null
                         }
-                        result
                     } else {
                         null
                     }
-                } else {
+                } catch (e: Exception) {
+                    Log.e("Account", "Failed to create pubkey for ZapRequest ${event.id}", e)
                     null
                 }
             }
@@ -929,7 +1025,7 @@ class Account(
     fun activeRelays(): Array<Relay>? {
         var usersRelayList = userProfile().latestContactList?.relays()?.map {
             val localFeedTypes = localRelays.firstOrNull() { localRelay -> localRelay.url == it.key }?.feedTypes ?: FeedType.values().toSet()
-            Relay(it.key, it.value.read, it.value.write, localFeedTypes)
+            Relay(it.key, it.value.read, it.value.write, localFeedTypes, proxy)
         } ?: return null
 
         // Ugly, but forces nostr.band as the only search-supporting relay today.
@@ -939,7 +1035,8 @@ class Account(
                 Constants.forcedRelayForSearch.url,
                 Constants.forcedRelayForSearch.read,
                 Constants.forcedRelayForSearch.write,
-                Constants.forcedRelayForSearch.feedTypes
+                Constants.forcedRelayForSearch.feedTypes,
+                proxy
             )
         }
 
@@ -948,7 +1045,7 @@ class Account(
 
     fun convertLocalRelays(): Array<Relay> {
         return localRelays.map {
-            Relay(it.url, it.read, it.write, it.feedTypes)
+            Relay(it.url, it.read, it.write, it.feedTypes, proxy)
         }.toTypedArray()
     }
 
@@ -1030,14 +1127,13 @@ class Account(
         saveable.invalidateData()
     }
 
-    init {
-        backupContactList?.let {
-            println("Loading saved contacts ${it.toJson()}")
-            if (userProfile().latestContactList == null) {
-                LocalCache.consume(it)
-            }
-        }
+    fun updateShowSensitiveContent(show: Boolean?) {
+        showSensitiveContent = show
+        saveable.invalidateData()
+        live.invalidateData()
+    }
 
+    fun registerObservers() {
         // Observes relays to restart connections
         userProfile().live().relays.observeForever {
             GlobalScope.launch(Dispatchers.IO) {
@@ -1064,6 +1160,15 @@ class Account(
             }
         }
     }
+
+    init {
+        backupContactList?.let {
+            println("Loading saved contacts ${it.toJson()}")
+            if (userProfile().latestContactList == null) {
+                LocalCache.consume(it)
+            }
+        }
+    }
 }
 
 class AccountLiveData(private val account: Account) : LiveData<AccountState>(AccountState(account)) {
@@ -1083,4 +1188,5 @@ class AccountLiveData(private val account: Account) : LiveData<AccountState>(Acc
     }
 }
 
+@Immutable
 class AccountState(val account: Account)

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

@@ -55,19 +55,15 @@ class AntiSpamFilter {
 class AntiSpamLiveData(val cache: AntiSpamFilter) : LiveData<AntiSpamState>(AntiSpamState(cache)) {
 
     // Refreshes observers in batches.
-    private val bundler = BundledUpdate(300, Dispatchers.Main) {
+    private val bundler = BundledUpdate(300, Dispatchers.IO) {
         if (hasActiveObservers()) {
-            refresh()
+            postValue(AntiSpamState(cache))
         }
     }
 
     fun invalidateData() {
         bundler.invalidate()
     }
-
-    private fun refresh() {
-        postValue(AntiSpamState(cache))
-    }
 }
 
 class AntiSpamState(val cache: AntiSpamFilter)

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

@@ -57,7 +57,7 @@ class Channel(val idHex: String) {
     fun pruneOldAndHiddenMessages(account: Account): Set<Note> {
         val important = notes.values
             .filter { it.author?.let { it1 -> account.isHidden(it1) } == false }
-            .sortedBy { it.createdAt() }
+            .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             .reversed()
             .take(1000)
             .toSet()
@@ -74,9 +74,9 @@ class Channel(val idHex: String) {
 
 class ChannelLiveData(val channel: Channel) : LiveData<ChannelState>(ChannelState(channel)) {
     // Refreshes observers in batches.
-    private val bundler = BundledUpdate(300, Dispatchers.Main) {
+    private val bundler = BundledUpdate(300, Dispatchers.IO) {
         if (hasActiveObservers()) {
-            refresh()
+            postValue(ChannelState(channel))
         }
     }
 
@@ -84,10 +84,6 @@ class ChannelLiveData(val channel: Channel) : LiveData<ChannelState>(ChannelStat
         bundler.invalidate()
     }
 
-    private fun refresh() {
-        postValue(ChannelState(channel))
-    }
-
     override fun onActive() {
         super.onActive()
         NostrSingleChannelDataSource.add(channel.idHex)

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

@@ -50,6 +50,23 @@ fun decodePublicKey(key: String): ByteArray {
     }
 }
 
+fun decodePublicKeyAsHexOrNull(key: String): HexKey? {
+    return try {
+        val parsed = Nip19.uriToRoute(key)
+        val pubKeyParsed = parsed?.hex
+
+        if (key.startsWith("nsec")) {
+            Persona(privKey = key.bechToBytes()).pubKey.toHexKey()
+        } else if (pubKeyParsed != null) {
+            pubKeyParsed
+        } else {
+            Hex.decode(key).toHexKey()
+        }
+    } catch (e: Exception) {
+        null
+    }
+}
+
 data class DirtyKeyInfo(val key: Nip19.Return, val restOfWord: String)
 
 fun parseDirtyWordForKey(mightBeAKey: String): DirtyKeyInfo? {

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

@@ -1,16 +1,17 @@
 package com.vitorpamplona.amethyst.model
 
 import android.util.Log
-import androidx.core.net.toUri
-import androidx.lifecycle.LiveData
 import com.fasterxml.jackson.databind.DeserializationFeature
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.vitorpamplona.amethyst.Amethyst
 import com.vitorpamplona.amethyst.service.model.*
+import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.ui.components.BundledInsert
 import fr.acinq.secp256k1.Hex
 import kotlinx.coroutines.*
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.asSharedFlow
 import nostr.postr.toNpub
 import java.io.ByteArrayInputStream
 import java.io.File
@@ -280,6 +281,30 @@ object LocalCache {
         refreshObservers(note)
     }
 
+    private fun consume(event: PinListEvent) {
+        val note = getOrCreateAddressableNote(event.address())
+        val author = getOrCreateUser(event.pubKey)
+
+        // Already processed this event.
+        if (note.event != null) return
+
+        note.loadEvent(event, author, emptyList())
+
+        refreshObservers(note)
+    }
+
+    private fun consume(event: AudioTrackEvent) {
+        val note = getOrCreateAddressableNote(event.address())
+        val author = getOrCreateUser(event.pubKey)
+
+        // Already processed this event.
+        if (note.event != null) return
+
+        note.loadEvent(event, author, emptyList())
+
+        refreshObservers(note)
+    }
+
     fun consume(event: BadgeDefinitionEvent) {
         val note = getOrCreateAddressableNote(event.address())
         val author = getOrCreateUser(event.pubKey)
@@ -347,7 +372,7 @@ object LocalCache {
         }
     }
 
-    fun consume(event: PrivateDmEvent, relay: Relay?) {
+    fun consume(event: PrivateDmEvent, relay: Relay?): Note {
         val note = getOrCreateNote(event.id)
         val author = getOrCreateUser(event.pubKey)
 
@@ -357,7 +382,7 @@ object LocalCache {
         }
 
         // Already processed this event.
-        if (note.event != null) return
+        if (note.event != null) return note
 
         val recipient = event.verifiedRecipientPubKey()?.let { getOrCreateUser(it) }
 
@@ -374,6 +399,8 @@ object LocalCache {
         }
 
         refreshObservers(note)
+
+        return note
     }
 
     fun consume(event: DeletionEvent) {
@@ -526,17 +553,20 @@ object LocalCache {
         // Log.d("MT", "New Event ${event.content} ${event.id.toHex()}")
         val oldChannel = getOrCreateChannel(event.id)
         val author = getOrCreateUser(event.pubKey)
+
+        val note = getOrCreateNote(event.id)
+        if (note.event == null) {
+            oldChannel.addNote(note)
+            note.loadEvent(event, author, emptyList())
+
+            refreshObservers(note)
+        }
+
         if (event.createdAt <= oldChannel.updatedMetadataAt) {
             return // older data, does nothing
         }
         if (oldChannel.creator == null || oldChannel.creator == author) {
             oldChannel.updateChannelInfo(author, event.channelInfo(), event.createdAt)
-
-            val note = getOrCreateNote(event.id)
-            oldChannel.addNote(note)
-            note.loadEvent(event, author, emptyList())
-
-            refreshObservers(note)
         }
     }
 
@@ -551,16 +581,18 @@ object LocalCache {
         if (event.createdAt > oldChannel.updatedMetadataAt) {
             if (oldChannel.creator == null || oldChannel.creator == author) {
                 oldChannel.updateChannelInfo(author, event.channelInfo(), event.createdAt)
-
-                val note = getOrCreateNote(event.id)
-                oldChannel.addNote(note)
-                note.loadEvent(event, author, emptyList())
-
-                refreshObservers(note)
             }
         } else {
             // Log.d("MT","Relay sent a previous Metadata Event ${oldUser.toBestDisplayName()} ${formattedDateTime(event.createdAt)} > ${formattedDateTime(oldUser.updatedAt)}")
         }
+
+        val note = getOrCreateNote(event.id)
+        if (note.event == null) {
+            oldChannel.addNote(note)
+            note.loadEvent(event, author, emptyList())
+
+            refreshObservers(note)
+        }
     }
 
     fun consume(event: ChannelMessageEvent, relay: Relay?) {
@@ -736,20 +768,23 @@ object LocalCache {
             note.addRelay(relay)
         }
 
-        // Already processed this event.
-        if (note.event != null) return
-
         try {
             val cachePath = File(Amethyst.instance.applicationContext.externalCacheDir, "NIP95")
             cachePath.mkdirs()
-            val stream = FileOutputStream(File(cachePath, event.id))
-            stream.write(event.decode())
-            stream.close()
-            Log.e("EventLogger", "Saved to disk as ${File(cachePath, event.id).toUri()}")
+            val file = File(cachePath, event.id)
+            if (!file.exists()) {
+                val stream = FileOutputStream(file)
+                stream.write(event.decode())
+                stream.close()
+                Log.i("FileStorageEvent", "NIP95 File received from ${relay?.url} and saved to disk as $file")
+            }
         } catch (e: IOException) {
-            Log.e("FileSotrageEvent", "FileStorageEvent save to disk error: " + event.id, e)
+            Log.e("FileStorageEvent", "FileStorageEvent save to disk error: " + event.id, e)
         }
 
+        // Already processed this event.
+        if (note.event != null) return
+
         // this is an invalid event. But we don't need to keep the data in memory.
         val eventNoData = FileStorageEvent(event.id, event.pubKey, event.createdAt, event.tags, "", event.sig)
 
@@ -804,6 +839,12 @@ object LocalCache {
     }
 
     fun findUsersStartingWith(username: String): List<User> {
+        val key = decodePublicKeyAsHexOrNull(username)
+
+        if (key != null && users[key] != null) {
+            return listOfNotNull(users[key])
+        }
+
         return users.values.filter {
             (it.anyNameStartsWith(username)) ||
                 it.pubkeyHex.startsWith(username, true) ||
@@ -812,6 +853,16 @@ object LocalCache {
     }
 
     fun findNotesStartingWith(text: String): List<Note> {
+        val key = try {
+            Nip19.uriToRoute(text)?.hex ?: Hex.decode(text).toHexKey()
+        } catch (e: Exception) {
+            null
+        }
+
+        if (key != null && (notes[key] ?: addressables[key]) != null) {
+            return listOfNotNull(notes[key] ?: addressables[key])
+        }
+
         return notes.values.filter {
             (it.event is TextNoteEvent && it.event?.content()?.contains(text, true) ?: false) ||
                 (it.event is PollNoteEvent && it.event?.content()?.contains(text, true) ?: false) ||
@@ -827,6 +878,16 @@ object LocalCache {
     }
 
     fun findChannelsStartingWith(text: String): List<Channel> {
+        val key = try {
+            Nip19.uriToRoute(text)?.hex ?: Hex.decode(text).toHexKey()
+        } catch (e: Exception) {
+            null
+        }
+
+        if (key != null && channels[key] != null) {
+            return listOfNotNull(channels[key])
+        }
+
         return channels.values.filter {
             it.anyNameStartsWith(text) ||
                 it.idHex.startsWith(text, true) ||
@@ -907,18 +968,74 @@ object LocalCache {
     private fun refreshObservers(newNote: Note) {
         live.invalidateData(newNote)
     }
-}
 
-class LocalCacheLiveData : LiveData<Set<Note>>(setOf<Note>()) {
+    fun consume(event: Event, relay: Relay?) {
+        if (!event.hasValidSignature()) return
 
-    // Refreshes observers in batches.
-    private val bundler = BundledInsert<Note>(300, Dispatchers.Main)
+        try {
+            when (event) {
+                is AudioTrackEvent -> consume(event)
+                is BadgeAwardEvent -> consume(event)
+                is BadgeDefinitionEvent -> consume(event)
+                is BadgeProfilesEvent -> consume(event)
+                is BookmarkListEvent -> consume(event)
+                is ChannelCreateEvent -> consume(event)
+                is ChannelHideMessageEvent -> consume(event)
+                is ChannelMessageEvent -> consume(event, relay)
+                is ChannelMetadataEvent -> consume(event)
+                is ChannelMuteUserEvent -> consume(event)
+                is ContactListEvent -> consume(event)
+                is DeletionEvent -> consume(event)
 
-    fun invalidateData(newNote: Note) {
-        bundler.invalidateList(newNote) { bundledNewNotes ->
-            if (hasActiveObservers()) {
-                postValue(bundledNewNotes)
+                is FileHeaderEvent -> consume(event, relay)
+                is FileStorageEvent -> consume(event, relay)
+                is FileStorageHeaderEvent -> consume(event, relay)
+                is HighlightEvent -> consume(event, relay)
+                is LnZapEvent -> {
+                    event.zapRequest?.let {
+                        consume(it, relay)
+                    }
+                    consume(event)
+                }
+                is LnZapRequestEvent -> consume(event)
+                is LnZapPaymentRequestEvent -> consume(event)
+                is LnZapPaymentResponseEvent -> consume(event)
+                is LongTextNoteEvent -> consume(event, relay)
+                is MetadataEvent -> consume(event)
+                is PrivateDmEvent -> consume(event, relay)
+                is PinListEvent -> consume(event)
+                is PeopleListEvent -> consume(event)
+                is ReactionEvent -> consume(event)
+                is RecommendRelayEvent -> consume(event)
+                is ReportEvent -> consume(event, relay)
+                is RepostEvent -> {
+                    event.containedPost()?.let {
+                        consume(it, relay)
+                    }
+                    consume(event)
+                }
+                is TextNoteEvent -> consume(event, relay)
+                is PollNoteEvent -> consume(event, relay)
+                else -> {
+                    Log.w("Event Not Supported", event.toJson())
+                }
             }
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+}
+
+class LocalCacheLiveData {
+    private val _newEventBundles = MutableSharedFlow<Set<Note>>()
+    val newEventBundles = _newEventBundles.asSharedFlow() // read-only public view
+
+    // Refreshes observers in batches.
+    private val bundler = BundledInsert<Note>(300, Dispatchers.IO)
+
+    fun invalidateData(newNote: Note) {
+        bundler.invalidateList(newNote) { bundledNewNotes ->
+            _newEventBundles.emit(bundledNewNotes)
         }
     }
 }

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

@@ -1,5 +1,7 @@
 package com.vitorpamplona.amethyst.model
 
+import androidx.compose.runtime.Immutable
+import androidx.compose.runtime.Stable
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.NostrSingleEventDataSource
 import com.vitorpamplona.amethyst.service.lnurl.LnInvoiceUtil
@@ -20,6 +22,7 @@ import java.util.regex.Pattern
 
 val tagSearch = Pattern.compile("(?:\\s|\\A)\\#\\[([0-9]+)\\]")
 
+@Stable
 class AddressableNote(val address: ATag) : Note(address.toTag()) {
     override fun idNote() = address.toNAddr()
     override fun toNEvent() = address.toNAddr()
@@ -28,6 +31,7 @@ class AddressableNote(val address: ATag) : Note(address.toTag()) {
     override fun createdAt() = (event as? LongTextNoteEvent)?.publishedAt() ?: event?.createdAt()
 }
 
+@Stable
 open class Note(val idHex: String) {
     // These fields are only available after the Text Note event is received.
     // They are immutable after that.
@@ -228,7 +232,7 @@ open class Note(val idHex: String) {
     fun isZappedBy(user: User, account: Account): Boolean {
         // Zaps who the requester was the user
         return zaps.any {
-            it.key.author === user || account.decryptZapContentAuthor(it.key)?.pubKey == user.pubkeyHex
+            it.key.author?.pubkeyHex == user.pubkeyHex || account.decryptZapContentAuthor(it.key)?.pubKey == user.pubkeyHex
         } || zapPayments.any {
             val zapResponseEvent = it.value?.event as? LnZapPaymentResponseEvent
             val response = if (zapResponseEvent != null) {
@@ -241,11 +245,11 @@ open class Note(val idHex: String) {
     }
 
     fun isReactedBy(user: User): Boolean {
-        return reactions.any { it.author === user }
+        return reactions.any { it.author?.pubkeyHex == user.pubkeyHex }
     }
 
     fun isBoostedBy(user: User): Boolean {
-        return boosts.any { it.author === user }
+        return boosts.any { it.author?.pubkeyHex == user.pubkeyHex }
     }
 
     fun reportsBy(user: User): Set<Note> {
@@ -410,20 +414,16 @@ class NoteLiveSet(u: Note) {
 
 class NoteLiveData(val note: Note) : LiveData<NoteState>(NoteState(note)) {
     // Refreshes observers in batches.
-    private val bundler = BundledUpdate(300, Dispatchers.Main) {
-        if (hasActiveObservers()) {
-            refresh()
-        }
+    private val bundler = BundledUpdate(300, Dispatchers.IO) {
+        // if (hasObservers()) {
+        postValue(NoteState(note))
+        // }
     }
 
     fun invalidateData() {
         bundler.invalidate()
     }
 
-    private fun refresh() {
-        postValue(NoteState(note))
-    }
-
     override fun onActive() {
         super.onActive()
         if (note is AddressableNote) {
@@ -443,4 +443,5 @@ class NoteLiveData(val note: Note) : LiveData<NoteState>(NoteState(note)) {
     }
 }
 
+@Immutable
 class NoteState(val note: Note)

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

@@ -1,8 +1,8 @@
 package com.vitorpamplona.amethyst.model
 
-import com.baha.url.preview.BahaUrlPreview
-import com.baha.url.preview.IUrlPreviewCallback
-import com.baha.url.preview.UrlInfoItem
+import com.vitorpamplona.amethyst.service.previews.BahaUrlPreview
+import com.vitorpamplona.amethyst.service.previews.IUrlPreviewCallback
+import com.vitorpamplona.amethyst.service.previews.UrlInfoItem
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job

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

@@ -1,5 +1,7 @@
 package com.vitorpamplona.amethyst.model
 
+import androidx.compose.runtime.Immutable
+import androidx.compose.runtime.Stable
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.NostrSingleUserDataSource
 import com.vitorpamplona.amethyst.service.model.BookmarkListEvent
@@ -20,6 +22,7 @@ import java.util.regex.Pattern
 
 val lnurlpPattern = Pattern.compile("(?i:http|https):\\/\\/((.+)\\/)*\\.well-known\\/lnurlp\\/(.*)")
 
+@Stable
 class User(val pubkeyHex: String) {
     var info: UserMetadata? = null
 
@@ -296,7 +299,7 @@ class User(val pubkeyHex: String) {
     fun hasSentMessagesTo(user: User?): Boolean {
         val messagesToUser = privateChatrooms[user] ?: return false
 
-        return messagesToUser.roomMessages.any { this === it.author }
+        return messagesToUser.roomMessages.any { this.pubkeyHex == it.author?.pubkeyHex }
     }
 
     fun hasReport(loggedIn: User, type: ReportEvent.ReportType): Boolean {
@@ -358,6 +361,7 @@ data class RelayInfo(
 
 data class Chatroom(var roomMessages: Set<Note>)
 
+@Stable
 class UserMetadata {
     var name: String? = null
     var username: String? = null
@@ -396,9 +400,9 @@ class UserMetadata {
 
 class UserLiveData(val user: User) : LiveData<UserState>(UserState(user)) {
     // Refreshes observers in batches.
-    private val bundler = BundledUpdate(300, Dispatchers.Main) {
+    private val bundler = BundledUpdate(300, Dispatchers.IO) {
         if (hasActiveObservers()) {
-            refresh()
+            postValue(UserState(user))
         }
     }
 
@@ -406,10 +410,6 @@ class UserLiveData(val user: User) : LiveData<UserState>(UserState(user)) {
         bundler.invalidate()
     }
 
-    private fun refresh() {
-        postValue(UserState(user))
-    }
-
     override fun onActive() {
         super.onActive()
         NostrSingleUserDataSource.add(user)
@@ -421,4 +421,5 @@ class UserLiveData(val user: User) : LiveData<UserState>(UserState(user)) {
     }
 }
 
+@Immutable
 class UserState(val user: User)

app/src/main/java/com/vitorpamplona/amethyst/service/HttpClient.kt

@@ -0,0 +1,34 @@
+package com.vitorpamplona.amethyst.service
+
+import com.vitorpamplona.amethyst.model.Account
+import okhttp3.OkHttpClient
+import java.net.InetSocketAddress
+import java.net.Proxy
+import java.time.Duration
+
+object HttpClient {
+    private var proxy: Proxy? = null
+
+    fun start(account: Account?) {
+        this.proxy = account?.proxy
+    }
+
+    fun getHttpClient(): OkHttpClient {
+        val seconds = if (proxy != null) 20L else 10L
+        val duration = Duration.ofSeconds(seconds)
+        return OkHttpClient.Builder()
+            .proxy(proxy)
+            .readTimeout(duration)
+            .connectTimeout(duration)
+            .writeTimeout(duration)
+            .build()
+    }
+
+    fun getProxy(): Proxy? {
+        return proxy
+    }
+
+    fun initProxy(useProxy: Boolean, hostname: String, port: Int): Proxy? {
+        return if (useProxy) Proxy(Proxy.Type.SOCKS, InetSocketAddress(hostname, port)) else null
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/service/NIP30Parser.kt

@@ -0,0 +1,32 @@
+package com.vitorpamplona.amethyst.service
+
+import java.util.regex.Pattern
+
+class NIP30Parser {
+    val customEmojiPattern: Pattern = Pattern.compile("\\:([A-Za-z0-9_\\-]+)\\:", Pattern.CASE_INSENSITIVE)
+
+    fun buildArray(input: String): List<String> {
+        val matcher = customEmojiPattern.matcher(input)
+        val list = mutableListOf<String>()
+        while (matcher.find()) {
+            list.add(matcher.group())
+        }
+
+        if (list.isEmpty()) {
+            return listOf(input)
+        }
+
+        val regularChars = input.split(customEmojiPattern.toRegex())
+
+        var finalList = mutableListOf<String>()
+        var index = 0
+        for (e in regularChars) {
+            finalList.add(e)
+            if (index < list.size) {
+                finalList.add(list[index])
+            }
+            index++
+        }
+        return finalList
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/service/Nip05Verifier.kt

@@ -9,12 +9,11 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import okhttp3.Call
 import okhttp3.Callback
-import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.Response
 
-class Nip05Verifier {
-    val client = OkHttpClient.Builder().build()
+class Nip05Verifier() {
+    val client = HttpClient.getHttpClient()
 
     fun assembleUrl(nip05address: String): String? {
         val parts = nip05address.trim().split("@")

app/src/main/java/com/vitorpamplona/amethyst/service/NostrAccountDataSource.kt

@@ -75,7 +75,7 @@ object NostrAccountDataSource : NostrDataSource("AccountData") {
             filter = JsonFilter(
                 kinds = listOf(ReportEvent.kind),
                 authors = listOf(account.userProfile().pubkeyHex),
-                since = latestEOSEs.users[account.userProfile()]?.relayList
+                since = latestEOSEs.users[account.userProfile()]?.followList?.get(account.defaultNotificationFollowList)?.relayList
             )
         )
     }
@@ -95,13 +95,13 @@ object NostrAccountDataSource : NostrDataSource("AccountData") {
                 BadgeAwardEvent.kind
             ),
             tags = mapOf("p" to listOf(account.userProfile().pubkeyHex)),
-            limit = 400,
-            since = latestEOSEs.users[account.userProfile()]?.relayList
+            limit = 4000,
+            since = latestEOSEs.users[account.userProfile()]?.followList?.get(account.defaultNotificationFollowList)?.relayList
         )
     )
 
     val accountChannel = requestNewChannel { time, relayUrl ->
-        latestEOSEs.addOrUpdate(account.userProfile(), relayUrl, time)
+        latestEOSEs.addOrUpdate(account.userProfile(), account.defaultNotificationFollowList, relayUrl, time)
     }
 
     override fun updateChannelFilters() {

app/src/main/java/com/vitorpamplona/amethyst/service/NostrChatroomListDataSource.kt

@@ -15,13 +15,14 @@ object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
     lateinit var account: Account
 
     val latestEOSEs = EOSEAccount()
+    val chatRoomList = "ChatroomList"
 
     fun createMessagesToMeFilter() = TypedFilter(
         types = setOf(FeedType.PRIVATE_DMS),
         filter = JsonFilter(
             kinds = listOf(PrivateDmEvent.kind),
             tags = mapOf("p" to listOf(account.userProfile().pubkeyHex)),
-            since = latestEOSEs.users[account.userProfile()]?.relayList
+            since = latestEOSEs.users[account.userProfile()]?.followList?.get(chatRoomList)?.relayList
         )
     )
 
@@ -30,7 +31,7 @@ object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
         filter = JsonFilter(
             kinds = listOf(PrivateDmEvent.kind),
             authors = listOf(account.userProfile().pubkeyHex),
-            since = latestEOSEs.users[account.userProfile()]?.relayList
+            since = latestEOSEs.users[account.userProfile()]?.followList?.get(chatRoomList)?.relayList
         )
     )
 
@@ -39,7 +40,7 @@ object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
         filter = JsonFilter(
             kinds = listOf(ChannelCreateEvent.kind, ChannelMetadataEvent.kind),
             authors = listOf(account.userProfile().pubkeyHex),
-            since = latestEOSEs.users[account.userProfile()]?.relayList
+            since = latestEOSEs.users[account.userProfile()]?.followList?.get(chatRoomList)?.relayList
         )
     )
 
@@ -48,7 +49,7 @@ object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
         filter = JsonFilter(
             kinds = listOf(ChannelCreateEvent.kind),
             ids = account.followingChannels.toList(),
-            since = latestEOSEs.users[account.userProfile()]?.relayList
+            since = latestEOSEs.users[account.userProfile()]?.followList?.get(chatRoomList)?.relayList
         )
     )
 
@@ -72,7 +73,7 @@ object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
                 filter = JsonFilter(
                     kinds = listOf(ChannelMessageEvent.kind),
                     tags = mapOf("e" to listOf(it)),
-                    since = latestEOSEs.users[account.userProfile()]?.relayList,
+                    since = latestEOSEs.users[account.userProfile()]?.followList?.get(chatRoomList)?.relayList,
                     limit = 25 // Remember to consider spam that is being removed from the UI
                 )
             )
@@ -80,7 +81,7 @@ object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
     }
 
     val chatroomListChannel = requestNewChannel { time, relayUrl ->
-        latestEOSEs.addOrUpdate(account.userProfile(), relayUrl, time)
+        latestEOSEs.addOrUpdate(account.userProfile(), chatRoomList, relayUrl, time)
     }
 
     override fun updateChannelFilters() {

app/src/main/java/com/vitorpamplona/amethyst/service/NostrDataSource.kt

@@ -3,28 +3,7 @@ package com.vitorpamplona.amethyst.service
 import android.util.Log
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.service.model.*
-import com.vitorpamplona.amethyst.service.model.BadgeAwardEvent
-import com.vitorpamplona.amethyst.service.model.BadgeDefinitionEvent
-import com.vitorpamplona.amethyst.service.model.BadgeProfilesEvent
-import com.vitorpamplona.amethyst.service.model.BookmarkListEvent
-import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
-import com.vitorpamplona.amethyst.service.model.ChannelHideMessageEvent
-import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
-import com.vitorpamplona.amethyst.service.model.ChannelMetadataEvent
-import com.vitorpamplona.amethyst.service.model.ChannelMuteUserEvent
-import com.vitorpamplona.amethyst.service.model.ContactListEvent
-import com.vitorpamplona.amethyst.service.model.DeletionEvent
 import com.vitorpamplona.amethyst.service.model.Event
-import com.vitorpamplona.amethyst.service.model.LnZapEvent
-import com.vitorpamplona.amethyst.service.model.LnZapRequestEvent
-import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
-import com.vitorpamplona.amethyst.service.model.MetadataEvent
-import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
-import com.vitorpamplona.amethyst.service.model.ReactionEvent
-import com.vitorpamplona.amethyst.service.model.RecommendRelayEvent
-import com.vitorpamplona.amethyst.service.model.ReportEvent
-import com.vitorpamplona.amethyst.service.model.RepostEvent
-import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 import com.vitorpamplona.amethyst.service.relays.Client
 import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.service.relays.Subscription
@@ -52,8 +31,6 @@ abstract class NostrDataSource(val debugName: String) {
     private val clientListener = object : Client.Listener() {
         override fun onEvent(event: Event, subscriptionId: String, relay: Relay) {
             if (subscriptionId in subscriptions.keys) {
-                if (!event.hasValidSignature()) return
-
                 val key = "$debugName $subscriptionId ${event.kind}"
                 val keyValue = eventCounter.get(key)
                 if (keyValue != null) {
@@ -62,51 +39,7 @@ abstract class NostrDataSource(val debugName: String) {
                     eventCounter = eventCounter + Pair(key, Counter(1))
                 }
 
-                try {
-                    when (event) {
-                        is BadgeAwardEvent -> LocalCache.consume(event)
-                        is BadgeDefinitionEvent -> LocalCache.consume(event)
-                        is BadgeProfilesEvent -> LocalCache.consume(event)
-                        is BookmarkListEvent -> LocalCache.consume(event)
-                        is ChannelCreateEvent -> LocalCache.consume(event)
-                        is ChannelHideMessageEvent -> LocalCache.consume(event)
-                        is ChannelMessageEvent -> LocalCache.consume(event, relay)
-                        is ChannelMetadataEvent -> LocalCache.consume(event)
-                        is ChannelMuteUserEvent -> LocalCache.consume(event)
-                        is ContactListEvent -> LocalCache.consume(event)
-                        is DeletionEvent -> LocalCache.consume(event)
-
-                        is FileHeaderEvent -> LocalCache.consume(event, relay)
-                        is FileStorageEvent -> LocalCache.consume(event, relay)
-                        is FileStorageHeaderEvent -> LocalCache.consume(event, relay)
-                        is HighlightEvent -> LocalCache.consume(event, relay)
-                        is LnZapEvent -> {
-                            event.zapRequest?.let { onEvent(it, subscriptionId, relay) }
-                            LocalCache.consume(event)
-                        }
-                        is LnZapRequestEvent -> LocalCache.consume(event)
-                        is LnZapPaymentRequestEvent -> LocalCache.consume(event)
-                        is LnZapPaymentResponseEvent -> LocalCache.consume(event)
-                        is LongTextNoteEvent -> LocalCache.consume(event, relay)
-                        is MetadataEvent -> LocalCache.consume(event)
-                        is PrivateDmEvent -> LocalCache.consume(event, relay)
-                        is PeopleListEvent -> LocalCache.consume(event)
-                        is ReactionEvent -> LocalCache.consume(event)
-                        is RecommendRelayEvent -> LocalCache.consume(event)
-                        is ReportEvent -> LocalCache.consume(event, relay)
-                        is RepostEvent -> {
-                            event.containedPost()?.let { onEvent(it, subscriptionId, relay) }
-                            LocalCache.consume(event)
-                        }
-                        is TextNoteEvent -> LocalCache.consume(event, relay)
-                        is PollNoteEvent -> LocalCache.consume(event, relay)
-                        else -> {
-                            Log.w("Event Not Supported", event.toJson())
-                        }
-                    }
-                } catch (e: Exception) {
-                    e.printStackTrace()
-                }
+                LocalCache.consume(event, relay)
             }
         }
 
@@ -170,7 +103,7 @@ abstract class NostrDataSource(val debugName: String) {
     }
 
     // Refreshes observers in batches.
-    private val bundler = BundledUpdate(250, Dispatchers.IO) {
+    private val bundler = BundledUpdate(300, Dispatchers.IO) {
         // println("DataSource: ${this.javaClass.simpleName} InvalidateFilters")
 
         // adds the time to perform the refresh into this delay

app/src/main/java/com/vitorpamplona/amethyst/service/NostrGlobalDataSource.kt

@@ -1,8 +1,10 @@
 package com.vitorpamplona.amethyst.service
 
+import com.vitorpamplona.amethyst.service.model.AudioTrackEvent
 import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
 import com.vitorpamplona.amethyst.service.model.HighlightEvent
 import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
+import com.vitorpamplona.amethyst.service.model.PinListEvent
 import com.vitorpamplona.amethyst.service.model.PollNoteEvent
 import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 import com.vitorpamplona.amethyst.service.relays.FeedType
@@ -13,7 +15,7 @@ object NostrGlobalDataSource : NostrDataSource("GlobalFeed") {
     fun createGlobalFilter() = TypedFilter(
         types = setOf(FeedType.GLOBAL),
         filter = JsonFilter(
-            kinds = listOf(TextNoteEvent.kind, PollNoteEvent.kind, ChannelMessageEvent.kind, LongTextNoteEvent.kind, HighlightEvent.kind),
+            kinds = listOf(TextNoteEvent.kind, PollNoteEvent.kind, ChannelMessageEvent.kind, AudioTrackEvent.kind, PinListEvent.kind, LongTextNoteEvent.kind, HighlightEvent.kind),
             limit = 200
         )
     )

app/src/main/java/com/vitorpamplona/amethyst/service/NostrHashtagDataSource.kt

@@ -3,6 +3,7 @@ package com.vitorpamplona.amethyst.service
 import androidx.compose.ui.text.capitalize
 import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
 import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
+import com.vitorpamplona.amethyst.service.model.PollNoteEvent
 import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
@@ -25,7 +26,7 @@ object NostrHashtagDataSource : NostrDataSource("SingleHashtagFeed") {
                         hashToLoad.capitalize()
                     )
                 ),
-                kinds = listOf(TextNoteEvent.kind, ChannelMessageEvent.kind, LongTextNoteEvent.kind),
+                kinds = listOf(TextNoteEvent.kind, ChannelMessageEvent.kind, LongTextNoteEvent.kind, LongTextNoteEvent.kind, PollNoteEvent.kind),
                 limit = 200
             )
         )

app/src/main/java/com/vitorpamplona/amethyst/service/NostrHomeDataSource.kt

@@ -2,8 +2,10 @@ package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.UserState
+import com.vitorpamplona.amethyst.service.model.AudioTrackEvent
 import com.vitorpamplona.amethyst.service.model.HighlightEvent
 import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
+import com.vitorpamplona.amethyst.service.model.PinListEvent
 import com.vitorpamplona.amethyst.service.model.PollNoteEvent
 import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 import com.vitorpamplona.amethyst.service.relays.EOSEAccount
@@ -56,10 +58,10 @@ object NostrHomeDataSource : NostrDataSource("HomeFeed") {
         return TypedFilter(
             types = setOf(FeedType.FOLLOWS),
             filter = JsonFilter(
-                kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind, PollNoteEvent.kind, HighlightEvent.kind),
+                kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind, PollNoteEvent.kind, HighlightEvent.kind, AudioTrackEvent.kind, PinListEvent.kind),
                 authors = followSet,
                 limit = 400,
-                since = latestEOSEs.users[account.userProfile()]?.relayList
+                since = latestEOSEs.users[account.userProfile()]?.followList?.get(account.defaultHomeFollowList)?.relayList
             )
         )
     }
@@ -72,20 +74,20 @@ object NostrHomeDataSource : NostrDataSource("HomeFeed") {
         return TypedFilter(
             types = setOf(FeedType.FOLLOWS),
             filter = JsonFilter(
-                kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind, HighlightEvent.kind),
+                kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind, HighlightEvent.kind, AudioTrackEvent.kind, PinListEvent.kind),
                 tags = mapOf(
                     "t" to hashToLoad.map {
                         listOf(it, it.lowercase(), it.uppercase(), it.capitalize())
                     }.flatten()
                 ),
                 limit = 100,
-                since = latestEOSEs.users[account.userProfile()]?.relayList
+                since = latestEOSEs.users[account.userProfile()]?.followList?.get(account.defaultHomeFollowList)?.relayList
             )
         )
     }
 
     val followAccountChannel = requestNewChannel { time, relayUrl ->
-        latestEOSEs.addOrUpdate(account.userProfile(), relayUrl, time)
+        latestEOSEs.addOrUpdate(account.userProfile(), account.defaultHomeFollowList, relayUrl, time)
     }
 
     override fun updateChannelFilters() {

app/src/main/java/com/vitorpamplona/amethyst/service/NostrLnZapPaymentResponseDataSource.kt

@@ -1,14 +1,18 @@
 package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.service.model.LnZapPaymentResponseEvent
+import com.vitorpamplona.amethyst.service.model.RelayAuthEvent
+import com.vitorpamplona.amethyst.service.relays.Client
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
+import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
 
 class NostrLnZapPaymentResponseDataSource(
-    private var fromServiceHex: String,
-    private var toUserHex: String,
-    private var replyingToHex: String
+    private val fromServiceHex: String,
+    private val toUserHex: String,
+    private val replyingToHex: String,
+    private val authSigningKey: ByteArray
 ) : NostrDataSource("LnZapPaymentResponseFeed") {
 
     val feedTypes = setOf(FeedType.WALLET_CONNECT)
@@ -36,4 +40,14 @@ class NostrLnZapPaymentResponseDataSource(
 
         channel.typedFilters = listOfNotNull(wc).ifEmpty { null }
     }
+
+    override fun auth(relay: Relay, challenge: String) {
+        super.auth(relay, challenge)
+
+        val event = RelayAuthEvent.create(relay.url, challenge, authSigningKey)
+        Client.send(
+            event,
+            relay.url
+        )
+    }
 }

app/src/main/java/com/vitorpamplona/amethyst/service/NostrSearchEventOrUserDataSource.kt

@@ -1,13 +1,13 @@
 package com.vitorpamplona.amethyst.service
 
-import com.vitorpamplona.amethyst.model.decodePublicKey
+import com.vitorpamplona.amethyst.model.toHexKey
 import com.vitorpamplona.amethyst.service.model.*
+import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
-import nostr.postr.bechToBytes
-import nostr.postr.toHex
+import fr.acinq.secp256k1.Hex
 
 object NostrSearchEventOrUserDataSource : NostrDataSource("SingleEventFeed") {
     private var searchString: String? = null
@@ -19,15 +19,8 @@ object NostrSearchEventOrUserDataSource : NostrDataSource("SingleEventFeed") {
         }
 
         val hexToWatch = try {
-            if (mySearchString.startsWith("npub") || mySearchString.startsWith("nsec")) {
-                decodePublicKey(mySearchString).toHex()
-            } else if (mySearchString.startsWith("note")) {
-                mySearchString.bechToBytes().toHex()
-            } else {
-                mySearchString
-            }
+            Nip19.uriToRoute(mySearchString)?.hex ?: Hex.decode(mySearchString).toHexKey()
         } catch (e: Exception) {
-            // Usually when people add an incomplete npub or note.
             null
         }
 

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

@@ -29,7 +29,7 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
                             ReactionEvent.kind, RepostEvent.kind, ReportEvent.kind,
                             LnZapEvent.kind, LnZapRequestEvent.kind,
                             BadgeAwardEvent.kind, BadgeDefinitionEvent.kind, BadgeProfilesEvent.kind,
-                            PollNoteEvent.kind
+                            PollNoteEvent.kind, AudioTrackEvent.kind, PinListEvent.kind
                         ),
                         tags = mapOf("a" to listOf(aTag.toTag())),
                         since = it.lastReactionsDownloadTime
@@ -80,7 +80,9 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
                         LnZapEvent.kind,
                         LnZapRequestEvent.kind,
                         PollNoteEvent.kind,
-                        HighlightEvent.kind
+                        HighlightEvent.kind,
+                        AudioTrackEvent.kind,
+                        PinListEvent.kind
                     ),
                     tags = mapOf("e" to listOf(it.idHex)),
                     since = it.lastReactionsDownloadTime
@@ -119,7 +121,7 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
                         BadgeDefinitionEvent.kind, BadgeAwardEvent.kind, BadgeProfilesEvent.kind,
                         PrivateDmEvent.kind,
                         FileHeaderEvent.kind, FileStorageEvent.kind, FileStorageHeaderEvent.kind,
-                        HighlightEvent.kind
+                        HighlightEvent.kind, AudioTrackEvent.kind, PinListEvent.kind
                     ),
                     ids = interestedEvents.toList()
                 )
@@ -152,22 +154,30 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
     }
 
     fun add(eventId: Note) {
-        eventsToWatch = eventsToWatch.plus(eventId)
-        invalidateFilters()
+        if (!eventsToWatch.contains(eventId)) {
+            eventsToWatch = eventsToWatch.plus(eventId)
+            invalidateFilters()
+        }
     }
 
     fun remove(eventId: Note) {
-        eventsToWatch = eventsToWatch.minus(eventId)
-        invalidateFilters()
+        if (eventsToWatch.contains(eventId)) {
+            eventsToWatch = eventsToWatch.minus(eventId)
+            invalidateFilters()
+        }
     }
 
     fun addAddress(aTag: Note) {
-        addressesToWatch = addressesToWatch.plus(aTag)
-        invalidateFilters()
+        if (!addressesToWatch.contains(aTag)) {
+            addressesToWatch = addressesToWatch.plus(aTag)
+            invalidateFilters()
+        }
     }
 
     fun removeAddress(aTag: Note) {
-        addressesToWatch = addressesToWatch.minus(aTag)
-        invalidateFilters()
+        if (addressesToWatch.contains(aTag)) {
+            addressesToWatch = addressesToWatch.minus(aTag)
+            invalidateFilters()
+        }
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/service/NostrSingleUserDataSource.kt

@@ -64,12 +64,16 @@ object NostrSingleUserDataSource : NostrDataSource("SingleUserFeed") {
     }
 
     fun add(user: User) {
-        usersToWatch = usersToWatch.plus(user)
-        invalidateFilters()
+        if (!usersToWatch.contains(user)) {
+            usersToWatch = usersToWatch.plus(user)
+            invalidateFilters()
+        }
     }
 
     fun remove(user: User) {
-        usersToWatch = usersToWatch.minus(user)
-        invalidateFilters()
+        if (usersToWatch.contains(user)) {
+            usersToWatch = usersToWatch.minus(user)
+            invalidateFilters()
+        }
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/service/NostrUserProfileDataSource.kt

@@ -11,7 +11,6 @@ object NostrUserProfileDataSource : NostrDataSource("UserProfileFeed") {
 
     fun loadUserProfile(user: User?) {
         this.user = user
-        resetFilters()
     }
 
     fun createUserInfoFilter() = user?.let {
@@ -29,7 +28,7 @@ object NostrUserProfileDataSource : NostrDataSource("UserProfileFeed") {
         TypedFilter(
             types = COMMON_FEED_TYPES,
             filter = JsonFilter(
-                kinds = listOf(TextNoteEvent.kind, RepostEvent.kind, LongTextNoteEvent.kind, PollNoteEvent.kind, HighlightEvent.kind),
+                kinds = listOf(TextNoteEvent.kind, RepostEvent.kind, LongTextNoteEvent.kind, AudioTrackEvent.kind, PinListEvent.kind, PollNoteEvent.kind, HighlightEvent.kind),
                 authors = listOf(it.pubkeyHex),
                 limit = 200
             )
@@ -82,7 +81,7 @@ object NostrUserProfileDataSource : NostrDataSource("UserProfileFeed") {
         TypedFilter(
             types = COMMON_FEED_TYPES,
             filter = JsonFilter(
-                kinds = listOf(BookmarkListEvent.kind),
+                kinds = listOf(BookmarkListEvent.kind, PeopleListEvent.kind),
                 authors = listOf(it.pubkeyHex),
                 limit = 1
             )

app/src/main/java/com/vitorpamplona/amethyst/service/lnurl/LightningAddressResolver.kt

@@ -2,6 +2,7 @@ package com.vitorpamplona.amethyst.service.lnurl
 
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.vitorpamplona.amethyst.BuildConfig
+import com.vitorpamplona.amethyst.service.HttpClient
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -10,14 +11,13 @@ import kotlinx.coroutines.withContext
 import nostr.postr.Bech32
 import okhttp3.Call
 import okhttp3.Callback
-import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.Response
 import java.math.BigDecimal
 import java.net.URLEncoder
 
-class LightningAddressResolver {
-    val client = OkHttpClient.Builder().build()
+class LightningAddressResolver() {
+    val client = HttpClient.getHttpClient()
 
     fun assembleUrl(lnaddress: String): String? {
         val parts = lnaddress.split("@")

app/src/main/java/com/vitorpamplona/amethyst/service/lnurl/LnWithdrawalUtil.kt

@@ -4,7 +4,7 @@ import java.util.regex.Pattern
 
 object LnWithdrawalUtil {
     private val withdrawalPattern = Pattern.compile(
-        "lnurl.*",
+        "lnurl.+",
         Pattern.CASE_INSENSITIVE
     )
 

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

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.hexToByteArray
 import com.vitorpamplona.amethyst.model.toHexKey
 import com.vitorpamplona.amethyst.service.nip19.Tlv
@@ -9,6 +10,7 @@ import nostr.postr.Bech32
 import nostr.postr.bechToBytes
 import nostr.postr.toByteArray
 
+@Immutable
 data class ATag(val kind: Int, val pubKeyHex: String, val dTag: String, val relay: String?) {
     fun toTag() = "$kind:$pubKeyHex:$dTag"
 

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

@@ -0,0 +1,63 @@
+package com.vitorpamplona.amethyst.service.model
+
+import androidx.compose.runtime.Immutable
+import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.model.toHexKey
+import nostr.postr.Utils
+import java.util.Date
+
+@Immutable
+class AudioTrackEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
+
+    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
+    override fun address() = ATag(kind, pubKey, dTag(), null)
+
+    fun participants() = tags.filter { it.size > 1 && it[0] == "p" }.map { Participant(it[1], it.getOrNull(2)) }
+    fun type() = tags.firstOrNull { it.size > 1 && it[0] == TYPE }?.get(1)
+    fun price() = tags.firstOrNull { it.size > 1 && it[0] == PRICE }?.get(1)
+    fun cover() = tags.firstOrNull { it.size > 1 && it[0] == COVER }?.get(1)
+    fun subject() = tags.firstOrNull { it.size > 1 && it[0] == SUBJECT }?.get(1)
+    fun media() = tags.firstOrNull { it.size > 1 && it[0] == MEDIA }?.get(1)
+
+    companion object {
+        const val kind = 31337
+
+        private const val TYPE = "c"
+        private const val PRICE = "price"
+        private const val COVER = "cover"
+        private const val SUBJECT = "subject"
+        private const val MEDIA = "media"
+
+        fun create(
+            type: String,
+            media: String,
+            price: String? = null,
+            cover: String? = null,
+            subject: String? = null,
+            privateKey: ByteArray,
+            createdAt: Long = Date().time / 1000
+        ): AudioTrackEvent {
+            val tags = listOfNotNull(
+                listOf(MEDIA, media),
+                listOf(TYPE, type),
+                price?.let { listOf(PRICE, it) },
+                cover?.let { listOf(COVER, it) },
+                subject?.let { listOf(SUBJECT, it) }
+            )
+
+            val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
+            val id = generateId(pubKey, createdAt, kind, tags, "")
+            val sig = Utils.sign(id, privateKey)
+            return AudioTrackEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
+        }
+    }
+}
+
+data class Participant(val key: String, val role: String?)

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

@@ -1,7 +1,9 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 
+@Immutable
 class BadgeAwardEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,7 +1,9 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 
+@Immutable
 class BadgeDefinitionEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -9,9 +11,9 @@ class BadgeDefinitionEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
-    fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
-    fun address() = ATag(kind, pubKey, dTag(), null)
+) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
+    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
+    override fun address() = ATag(kind, pubKey, dTag(), null)
 
     fun name() = tags.firstOrNull { it.size > 1 && it[0] == "name" }?.get(1)
     fun thumb() = tags.firstOrNull { it.size > 1 && it[0] == "thumb" }?.get(1)

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

@@ -1,7 +1,9 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 
+@Immutable
 class BadgeProfilesEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -9,7 +11,7 @@ class BadgeProfilesEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
+) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
     fun badgeAwardEvents() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
     fun badgeAwardDefinitions() = tags.filter { it.firstOrNull() == "a" }.mapNotNull {
         val aTagValue = it.getOrNull(1)
@@ -18,8 +20,8 @@ class BadgeProfilesEvent(
         if (aTagValue != null) ATag.parse(aTagValue, relay) else null
     }
 
-    fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
-    fun address() = ATag(kind, pubKey, dTag(), null)
+    override fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
+    override fun address() = ATag(kind, pubKey, dTag(), null)
 
     companion object {
         const val kind = 30008

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

@@ -1,11 +1,13 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.tagSearch
 import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.nip19.Nip19.nip19regex
 
+@Immutable
 open class BaseTextNoteEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -19,6 +21,7 @@ open class BaseTextNoteEvent(
     open fun replyTos() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
 
     private var citedUsersCache: Set<HexKey>? = null
+    private var citedNotesCache: Set<HexKey>? = null
 
     fun citedUsers(): Set<HexKey> {
         citedUsersCache?.let { return it }
@@ -61,8 +64,10 @@ open class BaseTextNoteEvent(
         return returningList
     }
 
-    fun findCitations(): Set<String> {
-        var citations = mutableSetOf<String>()
+    fun findCitations(): Set<HexKey> {
+        citedNotesCache?.let { return it }
+
+        val citations = mutableSetOf<HexKey>()
         // Removes citations from replies:
         val matcher = tagSearch.matcher(content)
         while (matcher.find()) {
@@ -102,6 +107,7 @@ open class BaseTextNoteEvent(
             }
         }
 
+        citedNotesCache = citations
         return citations
     }
 

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

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class BookmarkListEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,11 +1,13 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class ChannelCreateEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class ChannelHideMessageEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class ChannelMessageEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -20,7 +22,16 @@ class ChannelMessageEvent(
     companion object {
         const val kind = 42
 
-        fun create(message: String, channel: String, replyTos: List<String>? = null, mentions: List<String>? = null, zapReceiver: String?, 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,
+            markAsSensitive: Boolean
+        ): ChannelMessageEvent {
             val content = message
             val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
             val tags = mutableListOf(
@@ -35,6 +46,9 @@ class ChannelMessageEvent(
             zapReceiver?.let {
                 tags.add(listOf("zap", it))
             }
+            if (markAsSensitive) {
+                tags.add(listOf("content-warning", ""))
+            }
 
             val id = generateId(pubKey, createdAt, kind, tags, content)
             val sig = Utils.sign(id, privateKey)

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

@@ -1,11 +1,13 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class ChannelMetadataEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class ChannelMuteUserEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.reflect.TypeToken
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.decodePublicKey
@@ -8,6 +9,7 @@ import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 data class Contact(val pubKeyHex: String, val relayUri: String?)
 
 class ContactListEvent(

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

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class DeletionEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,5 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
+import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.*
 import com.google.gson.annotations.SerializedName
 import com.vitorpamplona.amethyst.model.HexKey
@@ -13,6 +15,7 @@ import java.math.BigDecimal
 import java.security.MessageDigest
 import java.util.*
 
+@Immutable
 open class Event(
     val id: HexKey,
     @SerializedName("pubkey") val pubKey: HexKey,
@@ -45,6 +48,12 @@ open class Event(
 
     fun taggedUrls() = tags.filter { it.size > 1 && it[0] == "r" }.map { it[1] }
 
+    override fun isSensitive() = tags.any {
+        (it.size > 0 && it[0].equals("content-warning", true)) ||
+            (it.size > 1 && it[0] == "t" && it[1].equals("nsfw", true)) ||
+            (it.size > 1 && it[0] == "t" && it[1].equals("nude", true))
+    }
+
     override fun zapAddress() = tags.firstOrNull { it.size > 1 && it[0] == "zap" }?.get(1)
 
     fun taggedAddresses() = tags.filter { it.size > 1 && it[0] == "a" }.mapNotNull {
@@ -110,11 +119,12 @@ open class Event(
     }
 
     override fun hasValidSignature(): Boolean {
-        if (!id.contentEquals(generateId())) {
-            return false
+        return try {
+            id.contentEquals(generateId()) && secp256k1.verifySchnorr(Hex.decode(sig), Hex.decode(id), Hex.decode(pubKey))
+        } catch (e: Exception) {
+            Log.e("Event", "Fail checking if event $id has a valid signature", e)
+            false
         }
-
-        return secp256k1.verifySchnorr(Hex.decode(sig), Hex.decode(id), Hex.decode(pubKey))
     }
 
     private fun generateId(): String {
@@ -218,6 +228,7 @@ open class Event(
         fun fromJson(json: JsonElement, lenient: Boolean = false): Event = gson.fromJson(json, Event::class.java).getRefinedEvent(lenient)
 
         fun Event.getRefinedEvent(lenient: Boolean = false): Event = when (kind) {
+            AudioTrackEvent.kind -> AudioTrackEvent(id, pubKey, createdAt, tags, content, sig)
             BadgeAwardEvent.kind -> BadgeAwardEvent(id, pubKey, createdAt, tags, content, sig)
             BadgeDefinitionEvent.kind -> BadgeDefinitionEvent(id, pubKey, createdAt, tags, content, sig)
             BadgeProfilesEvent.kind -> BadgeProfilesEvent(id, pubKey, createdAt, tags, content, sig)
@@ -241,6 +252,7 @@ open class Event(
             LongTextNoteEvent.kind -> LongTextNoteEvent(id, pubKey, createdAt, tags, content, sig)
             MetadataEvent.kind -> MetadataEvent(id, pubKey, createdAt, tags, content, sig)
             PeopleListEvent.kind -> PeopleListEvent(id, pubKey, createdAt, tags, content, sig)
+            PinListEvent.kind -> PinListEvent(id, pubKey, createdAt, tags, content, sig)
             PollNoteEvent.kind -> PollNoteEvent(id, pubKey, createdAt, tags, content, sig)
             PrivateDmEvent.kind -> PrivateDmEvent(id, pubKey, createdAt, tags, content, sig)
             ReactionEvent.kind -> ReactionEvent(id, pubKey, createdAt, tags, content, sig)
@@ -280,3 +292,9 @@ open class Event(
         }
     }
 }
+
+@Immutable
+interface AddressableEvent {
+    fun dTag(): String
+    fun address(): ATag
+}

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

@@ -1,8 +1,10 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import java.math.BigDecimal
 
+@Immutable
 interface EventInterface {
     fun id(): HexKey
 
@@ -35,4 +37,5 @@ interface EventInterface {
     fun getPoWRank(): Int
 
     fun zapAddress(): String?
+    fun isSensitive(): Boolean
 }

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

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class FileHeaderEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,12 +1,14 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Base64
 import java.util.Date
 
+@Immutable
 class FileStorageEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class FileStorageHeaderEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,11 +1,13 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.reflect.TypeToken
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.hexToByteArray
 import nostr.postr.Utils
 
+@Immutable
 abstract class GeneralListEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -14,21 +16,23 @@ abstract class GeneralListEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
-    fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
-    fun address() = ATag(kind, pubKey, dTag(), null)
+) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
+    override fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
+    override fun address() = ATag(kind, pubKey, dTag(), null)
 
     fun category() = dTag()
     fun bookmarkedPosts() = taggedEvents()
     fun bookmarkedPeople() = taggedUsers()
 
     fun plainContent(privKey: ByteArray): String? {
+        if (content.isBlank()) return null
+
         return try {
             val sharedSecret = Utils.getSharedSecret(privKey, pubKey.hexToByteArray())
 
             return Utils.decrypt(content, sharedSecret)
         } catch (e: Exception) {
-            Log.w("GeneralList", "Error decrypting the message ${e.message}")
+            Log.w("GeneralList", "Error decrypting the message ${e.message} for ${dTag()}")
             null
         }
     }

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

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class HighlightEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.service.lnurl.LnInvoiceUtil
 import com.vitorpamplona.amethyst.service.relays.Client
 
+@Immutable
 class LnZapEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,7 +1,9 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import java.math.BigDecimal
 
+@Immutable
 interface LnZapEventInterface : EventInterface {
 
     fun zappedPost(): List<String>

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

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.JsonDeserializationContext
 import com.google.gson.JsonDeserializer
 import com.google.gson.JsonElement
@@ -12,6 +13,7 @@ import nostr.postr.Utils
 import java.lang.reflect.Type
 import java.util.Date
 
+@Immutable
 class LnZapPaymentRequestEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.JsonDeserializationContext
 import com.google.gson.JsonDeserializer
 import com.google.gson.JsonElement
@@ -10,6 +11,7 @@ import com.vitorpamplona.amethyst.model.HexKey
 import nostr.postr.Utils
 import java.lang.reflect.Type
 
+@Immutable
 class LnZapPaymentResponseEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.*
 import nostr.postr.Bech32
 import nostr.postr.Utils
@@ -11,6 +12,7 @@ import javax.crypto.Cipher
 import javax.crypto.spec.IvParameterSpec
 import javax.crypto.spec.SecretKeySpec
 
+@Immutable
 class LnZapRequestEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -71,7 +73,7 @@ class LnZapRequestEvent(
                 listOf("p", originalNote.pubKey()),
                 listOf("relays") + relays
             )
-            if (originalNote is LongTextNoteEvent) {
+            if (originalNote is AddressableEvent) {
                 tags = tags + listOf(listOf("a", originalNote.address().toTag()))
             }
             if (pollOption != null && pollOption >= 0) {

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

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class LongTextNoteEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -12,9 +14,9 @@ class LongTextNoteEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : BaseTextNoteEvent(id, pubKey, createdAt, kind, tags, content, sig) {
-    fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
-    fun address() = ATag(kind, pubKey, dTag(), null)
+) : BaseTextNoteEvent(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
+    override fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
+    override fun address() = ATag(kind, pubKey, dTag(), null)
 
     fun topics() = tags.filter { it.firstOrNull() == "t" }.mapNotNull { it.getOrNull(1) }
     fun title() = tags.filter { it.firstOrNull() == "title" }.mapNotNull { it.getOrNull(1) }.firstOrNull()

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

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.Gson
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.HexKey
@@ -8,6 +9,7 @@ import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 data class ContactMetaData(
     val name: String,
     val picture: String,

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

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.google.gson.reflect.TypeToken
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.hexToByteArray
@@ -8,6 +9,7 @@ import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class MuteListEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -15,9 +17,9 @@ class MuteListEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
-    fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
-    fun address() = ATag(kind, pubKey, dTag(), null)
+) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
+    override fun dTag() = tags.filter { it.firstOrNull() == "d" }.mapNotNull { it.getOrNull(1) }.firstOrNull() ?: ""
+    override fun address() = ATag(kind, pubKey, dTag(), null)
 
     fun plainContent(privKey: ByteArray): String? {
         return try {

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

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class PeopleListEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -0,0 +1,43 @@
+package com.vitorpamplona.amethyst.service.model
+
+import androidx.compose.runtime.Immutable
+import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.model.toHexKey
+import nostr.postr.Utils
+import java.util.Date
+
+@Immutable
+class PinListEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : Event(id, pubKey, createdAt, kind, tags, content, sig), AddressableEvent {
+
+    override fun dTag() = tags.firstOrNull { it.size > 1 && it[0] == "d" }?.get(1) ?: ""
+    override fun address() = ATag(kind, pubKey, dTag(), null)
+
+    fun pins() = tags.filter { it.size > 1 && it[0] == "pin" }.map { it[1] }
+
+    companion object {
+        const val kind = 33888
+
+        fun create(
+            pins: List<String>,
+            privateKey: ByteArray,
+            createdAt: Long = Date().time / 1000
+        ): PinListEvent {
+            val tags = mutableListOf<List<String>>()
+            pins.forEach {
+                tags.add(listOf("pin", it))
+            }
+
+            val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
+            val id = generateId(pubKey, createdAt, kind, tags, "")
+            val sig = Utils.sign(id, privateKey)
+            return PinListEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
+        }
+    }
+}

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

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
@@ -11,6 +12,7 @@ const val VALUE_MINIMUM = "value_minimum"
 const val CONSENSUS_THRESHOLD = "consensus_threshold"
 const val CLOSED_AT = "closed_at"
 
+@Immutable
 class PollNoteEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -49,7 +51,8 @@ class PollNoteEvent(
             valueMinimum: Int?,
             consensusThreshold: Int?,
             closedAt: Int?,
-            zapReceiver: String?
+            zapReceiver: String?,
+            markAsSensitive: Boolean
         ): PollNoteEvent {
             val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
             val tags = mutableListOf<List<String>>()
@@ -73,6 +76,9 @@ class PollNoteEvent(
             if (zapReceiver != null) {
                 tags.add(listOf("zap", zapReceiver))
             }
+            if (markAsSensitive) {
+                tags.add(listOf("content-warning", ""))
+            }
 
             val id = generateId(pubKey, createdAt, kind, tags, msg)
             val sig = Utils.sign(id, privateKey)

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

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import android.util.Log
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import fr.acinq.secp256k1.Hex
@@ -8,6 +9,7 @@ import nostr.postr.Utils
 import nostr.postr.toHex
 import java.util.Date
 
+@Immutable
 class PrivateDmEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -21,7 +23,7 @@ class PrivateDmEvent(
      * nip-04 EncryptedDmEvent but may omit the recipient, too. This value can be queried and used
      * for initial messages.
      */
-    fun recipientPubKey() = tags.firstOrNull { it.size > 1 && it[0] == "p" }
+    private fun recipientPubKey() = tags.firstOrNull { it.size > 1 && it[0] == "p" }
 
     fun recipientPubKeyBytes() = recipientPubKey()?.runCatching { Hex.decode(this[1]) }?.getOrNull()
 
@@ -37,7 +39,7 @@ class PrivateDmEvent(
 
     fun with(pubkeyHex: String): Boolean {
         return pubkeyHex == pubKey ||
-            tags.firstOrNull { it.size > 1 && it[0] == "p" }?.getOrNull(1) == pubkeyHex
+            tags.any { it.size > 1 && it[0] == "p" && it[1] == pubkeyHex }
     }
 
     fun plainContent(privKey: ByteArray, pubKey: ByteArray): String? {
@@ -71,7 +73,8 @@ class PrivateDmEvent(
             privateKey: ByteArray,
             createdAt: Long = Date().time / 1000,
             publishedRecipientPubKey: ByteArray? = null,
-            advertiseNip18: Boolean = true
+            advertiseNip18: Boolean = true,
+            markAsSensitive: Boolean
         ): PrivateDmEvent {
             val content = Utils.encrypt(
                 if (advertiseNip18) { nip18Advertisement } else { "" } + msg,
@@ -92,6 +95,9 @@ class PrivateDmEvent(
             zapReceiver?.let {
                 tags.add(listOf("zap", it))
             }
+            if (markAsSensitive) {
+                tags.add(listOf("content-warning", ""))
+            }
             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/ReactionEvent.kt

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class ReactionEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -32,7 +34,7 @@ class ReactionEvent(
             val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
 
             var tags = listOf(listOf("e", originalNote.id()), listOf("p", originalNote.pubKey()))
-            if (originalNote is LongTextNoteEvent) {
+            if (originalNote is AddressableEvent) {
                 tags = tags + listOf(listOf("a", originalNote.address().toTag()))
             }
 

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

@@ -1,11 +1,13 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.net.URI
 import java.util.Date
 
+@Immutable
 class RecommendRelayEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,10 +1,12 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class RelayAuthEvent(
     id: HexKey,
     pubKey: HexKey,

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

@@ -1,13 +1,16 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 data class ReportedKey(val key: String, val reportType: ReportEvent.ReportType)
 
 // NIP 56 event.
+@Immutable
 class ReportEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -63,7 +66,7 @@ class ReportEvent(
             val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
             var tags: List<List<String>> = listOf(reportPostTag, reportAuthorTag)
 
-            if (reportedPost is LongTextNoteEvent) {
+            if (reportedPost is AddressableEvent) {
                 tags = tags + listOf(listOf("a", reportedPost.address().toTag()))
             }
 

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

@@ -1,11 +1,13 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import com.vitorpamplona.amethyst.service.relays.Client
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class RepostEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -36,7 +38,7 @@ class RepostEvent(
             val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
             var tags: List<List<String>> = boostedPost.tags().plus(listOf(replyToPost, replyToAuthor))
 
-            if (boostedPost is LongTextNoteEvent) {
+            if (boostedPost is AddressableEvent) {
                 tags = tags + listOf(listOf("a", boostedPost.address().toTag()))
             }
 

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

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.service.model
 
+import androidx.compose.runtime.Immutable
 import com.linkedin.urls.detection.UrlDetector
 import com.linkedin.urls.detection.UrlDetectorOptions
 import com.vitorpamplona.amethyst.model.HexKey
@@ -8,6 +9,7 @@ import com.vitorpamplona.amethyst.ui.screen.loggedIn.findHashtags
 import nostr.postr.Utils
 import java.util.Date
 
+@Immutable
 class TextNoteEvent(
     id: HexKey,
     pubKey: HexKey,
@@ -27,6 +29,7 @@ class TextNoteEvent(
             addresses: List<ATag>?,
             extraTags: List<String>?,
             zapReceiver: String?,
+            markAsSensitive: Boolean,
             privateKey: ByteArray,
             createdAt: Long = Date().time / 1000
         ): TextNoteEvent {
@@ -43,6 +46,7 @@ class TextNoteEvent(
             }
             findHashtags(msg).forEach {
                 tags.add(listOf("t", it))
+                tags.add(listOf("t", it.lowercase()))
             }
             extraTags?.forEach {
                 tags.add(listOf("t", it))
@@ -53,6 +57,9 @@ class TextNoteEvent(
             findURLs(msg).forEach {
                 tags.add(listOf("r", it))
             }
+            if (markAsSensitive) {
+                tags.add(listOf("content-warning", ""))
+            }
 
             val id = generateId(pubKey, createdAt, kind, tags, msg)
             val sig = Utils.sign(id, privateKey)

app/src/main/java/com/vitorpamplona/amethyst/service/nip19/Nip19.kt

@@ -13,14 +13,14 @@ object Nip19 {
         USER, NOTE, EVENT, RELAY, ADDRESS
     }
 
-    val nip19regex = Pattern.compile("(nostr:)?@?(nsec1|npub1|nevent1|naddr1|note1|nprofile1|nrelay1)([qpzry9x8gf2tvdw0s3jn54khce6mua7l]+)(.*)", Pattern.CASE_INSENSITIVE)
+    val nip19regex = Pattern.compile("(nostr:)?@?(nsec1|npub1|nevent1|naddr1|note1|nprofile1|nrelay1)([qpzry9x8gf2tvdw0s3jn54khce6mua7l]+)([\\S]*)", Pattern.CASE_INSENSITIVE)
 
     data class Return(
         val type: Type,
         val hex: String,
         val relay: String? = null,
         val author: String? = null,
-        val kind: Long? = null,
+        val kind: Int? = null,
         val additionalChars: String = ""
     )
 
@@ -109,7 +109,7 @@ object Nip19 {
 
         val kind = tlv.get(Tlv.Type.KIND.id)
             ?.get(0)
-            ?.let { Tlv.toInt32(it) }?.toLong()
+            ?.let { Tlv.toInt32(it) }
 
         return Return(Type.EVENT, hex, relay, author, kind)
     }
@@ -140,7 +140,7 @@ object Nip19 {
 
         val kind = tlv.get(Tlv.Type.KIND.id)
             ?.get(0)
-            ?.let { Tlv.toInt32(it) }?.toLong()
+            ?.let { Tlv.toInt32(it) }
 
         return Return(Type.ADDRESS, "$kind:$author:$d", relay, author, kind)
     }

app/src/main/java/com/vitorpamplona/amethyst/service/notifications/EventNotificationConsumer.kt

@@ -0,0 +1,99 @@
+package com.vitorpamplona.amethyst.service.notifications
+
+import android.app.NotificationManager
+import android.content.Context
+import androidx.core.content.ContextCompat
+import com.vitorpamplona.amethyst.LocalPreferences
+import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.model.LocalCache
+import com.vitorpamplona.amethyst.service.model.Event
+import com.vitorpamplona.amethyst.service.model.LnZapEvent
+import com.vitorpamplona.amethyst.service.model.LnZapRequestEvent
+import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
+import com.vitorpamplona.amethyst.service.notifications.NotificationUtils.sendDMNotification
+import com.vitorpamplona.amethyst.service.notifications.NotificationUtils.sendZapNotification
+import com.vitorpamplona.amethyst.ui.note.showAmount
+
+class EventNotificationConsumer(private val applicationContext: Context) {
+    fun consume(event: Event) {
+        // adds to database
+        LocalCache.consume(event, null)
+
+        when (event) {
+            is PrivateDmEvent -> notify(event)
+            is LnZapEvent -> notify(event)
+        }
+    }
+
+    private fun notify(event: PrivateDmEvent) {
+        val note = LocalCache.notes[event.id] ?: return
+
+        LocalPreferences.allSavedAccounts().forEach {
+            val acc = LocalPreferences.loadFromEncryptedStorage(it.npub)
+
+            if (acc != null && acc.userProfile().pubkeyHex == event.verifiedRecipientPubKey()) {
+                val followingKeySet = acc.followingKeySet()
+
+                val messagingWith = acc.userProfile().privateChatrooms.keys.filter {
+                    (
+                        it.pubkeyHex in followingKeySet || acc.userProfile()
+                            .hasSentMessagesTo(it)
+                        ) && !acc.isHidden(it)
+                }.toSet()
+
+                if (note.author in messagingWith) {
+                    val content = acc.decryptContent(note) ?: ""
+                    val user = note.author?.toBestDisplayName() ?: ""
+                    val userPicture = note.author?.profilePicture()
+                    val noteUri = note.toNEvent()
+                    notificationManager().sendDMNotification(event.id, content, user, userPicture, noteUri, applicationContext)
+                }
+            }
+        }
+    }
+
+    private fun notify(event: LnZapEvent) {
+        val noteZapEvent = LocalCache.notes[event.id] ?: return
+        val noteZapRequest = event.zapRequest?.id?.let { LocalCache.checkGetOrCreateNote(it) }
+        val noteZapped = event.zappedPost().firstOrNull()?.let { LocalCache.checkGetOrCreateNote(it) }
+
+        LocalPreferences.allSavedAccounts().forEach {
+            val acc = LocalPreferences.loadFromEncryptedStorage(it.npub)
+
+            if (acc != null && acc.userProfile().pubkeyHex == event.zappedAuthor().firstOrNull()) {
+                val amount = showAmount(event.amount)
+                val senderInfo = (noteZapRequest?.event as? LnZapRequestEvent)?.let {
+                    val decryptedContent = acc.decryptZapContentAuthor(noteZapRequest)
+                    if (decryptedContent != null) {
+                        val author = LocalCache.getOrCreateUser(decryptedContent.pubKey)
+                        Pair(author, decryptedContent.content)
+                    } else if (!noteZapRequest.event?.content().isNullOrBlank()) {
+                        Pair(noteZapRequest.author, noteZapRequest.event?.content())
+                    } else {
+                        Pair(noteZapRequest.author, null)
+                    }
+                }
+
+                val zappedContent =
+                    noteZapped?.let { it1 -> acc.decryptContent(it1)?.split("\n")?.get(0) }
+
+                val user = senderInfo?.first?.toBestDisplayName() ?: ""
+                var title = applicationContext.getString(R.string.app_notification_zaps_channel_message, amount)
+                senderInfo?.second?.ifBlank { null }?.let {
+                    title += " ($it)"
+                }
+                var content = applicationContext.getString(R.string.app_notification_zaps_channel_message_from, user)
+                zappedContent?.let {
+                    content += " " + applicationContext.getString(R.string.app_notification_zaps_channel_message_for, zappedContent)
+                }
+                val userPicture = senderInfo?.first?.profilePicture()
+                val noteUri = "nostr:Notifications"
+                notificationManager().sendZapNotification(event.id, content, title, userPicture, noteUri, applicationContext)
+            }
+        }
+    }
+
+    private fun notificationManager(): NotificationManager {
+        return ContextCompat.getSystemService(applicationContext, NotificationManager::class.java) as NotificationManager
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/service/notifications/NotificationUtils.kt

@@ -0,0 +1,185 @@
+package com.vitorpamplona.amethyst.service.notifications
+
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.PendingIntent
+import android.content.Context
+import android.content.Intent
+import android.graphics.drawable.BitmapDrawable
+import android.net.Uri
+import androidx.core.app.NotificationCompat
+import coil.ImageLoader
+import coil.executeBlocking
+import coil.request.ImageRequest
+import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.ui.MainActivity
+
+object NotificationUtils {
+    private var dmChannel: NotificationChannel? = null
+    private var zapChannel: NotificationChannel? = null
+
+    private fun getOrCreateDMChannel(applicationContext: Context): NotificationChannel {
+        if (dmChannel != null) return dmChannel!!
+
+        dmChannel = NotificationChannel(
+            applicationContext.getString(R.string.app_notification_dms_channel_id),
+            applicationContext.getString(R.string.app_notification_dms_channel_name),
+            NotificationManager.IMPORTANCE_DEFAULT
+        ).apply {
+            description = applicationContext.getString(R.string.app_notification_dms_channel_description)
+        }
+
+        // Register the channel with the system
+        val notificationManager: NotificationManager =
+            applicationContext.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+
+        notificationManager.createNotificationChannel(dmChannel!!)
+
+        return dmChannel!!
+    }
+
+    private fun getOrCreateZapChannel(applicationContext: Context): NotificationChannel {
+        if (zapChannel != null) return zapChannel!!
+
+        zapChannel = NotificationChannel(
+            applicationContext.getString(R.string.app_notification_zaps_channel_id),
+            applicationContext.getString(R.string.app_notification_zaps_channel_name),
+            NotificationManager.IMPORTANCE_DEFAULT
+        ).apply {
+            description = applicationContext.getString(R.string.app_notification_zaps_channel_description)
+        }
+
+        // Register the channel with the system
+        val notificationManager: NotificationManager =
+            applicationContext.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+
+        notificationManager.createNotificationChannel(zapChannel!!)
+
+        return zapChannel!!
+    }
+
+    fun NotificationManager.sendZapNotification(
+        id: String,
+        messageBody: String,
+        messageTitle: String,
+        pictureUrl: String?,
+        uri: String,
+        applicationContext: Context
+    ) {
+        val zapChannel = getOrCreateZapChannel(applicationContext)
+        val channelId = applicationContext.getString(R.string.app_notification_zaps_channel_id)
+
+        sendNotification(id, messageBody, messageTitle, pictureUrl, uri, channelId, applicationContext)
+    }
+
+    fun NotificationManager.sendDMNotification(
+        id: String,
+        messageBody: String,
+        messageTitle: String,
+        pictureUrl: String?,
+        uri: String,
+        applicationContext: Context
+    ) {
+        val dmChannel = getOrCreateDMChannel(applicationContext)
+        val channelId = applicationContext.getString(R.string.app_notification_dms_channel_id)
+
+        sendNotification(id, messageBody, messageTitle, pictureUrl, uri, channelId, applicationContext)
+    }
+
+    fun NotificationManager.sendNotification(
+        id: String,
+        messageBody: String,
+        messageTitle: String,
+        pictureUrl: String?,
+        uri: String,
+        channelId: String,
+        applicationContext: Context
+    ) {
+        if (pictureUrl != null) {
+            val request = ImageRequest.Builder(applicationContext)
+                .data(pictureUrl)
+                .build()
+
+            val imageLoader = ImageLoader(applicationContext)
+            val imageResult = imageLoader.executeBlocking(request)
+            sendNotification(
+                id = id,
+                messageBody = messageBody,
+                messageTitle = messageTitle,
+                picture = imageResult.drawable as? BitmapDrawable,
+                uri = uri,
+                channelId,
+                applicationContext = applicationContext
+            )
+        } else {
+            sendNotification(
+                id = id,
+                messageBody = messageBody,
+                messageTitle = messageTitle,
+                picture = null,
+                uri = uri,
+                channelId,
+                applicationContext = applicationContext
+            )
+        }
+    }
+
+    private fun NotificationManager.sendNotification(
+        id: String,
+        messageBody: String,
+        messageTitle: String,
+        picture: BitmapDrawable?,
+        uri: String,
+        channelId: String,
+        applicationContext: Context
+    ) {
+        val contentIntent = Intent(applicationContext, MainActivity::class.java).apply {
+            data = Uri.parse(uri)
+        }
+
+        val contentPendingIntent = PendingIntent.getActivity(
+            applicationContext,
+            id.hashCode(),
+            contentIntent,
+            PendingIntent.FLAG_MUTABLE
+        )
+
+        // Build the notification
+        val builderPublic = NotificationCompat.Builder(
+            applicationContext,
+            channelId
+        )
+            .setSmallIcon(R.drawable.amethyst)
+            .setContentTitle(messageTitle)
+            .setContentText(applicationContext.getString(R.string.app_notification_private_message))
+            .setLargeIcon(picture?.bitmap)
+            .setGroup(messageTitle)
+            .setContentIntent(contentPendingIntent)
+            .setPriority(NotificationCompat.PRIORITY_HIGH)
+            .setAutoCancel(true)
+
+        // Build the notification
+        val builder = NotificationCompat.Builder(
+            applicationContext,
+            channelId
+        )
+            .setSmallIcon(R.drawable.amethyst)
+            .setContentTitle(messageTitle)
+            .setContentText(messageBody)
+            .setLargeIcon(picture?.bitmap)
+            .setGroup(messageTitle)
+            .setContentIntent(contentPendingIntent)
+            .setPublicVersion(builderPublic.build())
+            .setPriority(NotificationCompat.PRIORITY_HIGH)
+            .setAutoCancel(true)
+
+        notify(id.hashCode(), builder.build())
+    }
+
+    /**
+     * Cancels all notifications.
+     */
+    fun NotificationManager.cancelNotifications() {
+        cancelAll()
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/service/notifications/RegisterAccounts.kt

@@ -0,0 +1,73 @@
+package com.vitorpamplona.amethyst.service.notifications
+
+import android.util.Log
+import com.vitorpamplona.amethyst.AccountInfo
+import com.vitorpamplona.amethyst.BuildConfig
+import com.vitorpamplona.amethyst.LocalPreferences
+import com.vitorpamplona.amethyst.service.HttpClient
+import com.vitorpamplona.amethyst.service.model.RelayAuthEvent
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import okhttp3.MediaType.Companion.toMediaType
+import okhttp3.Request
+import okhttp3.RequestBody.Companion.toRequestBody
+
+class RegisterAccounts(
+    private val accounts: List<AccountInfo>
+) {
+
+    // creates proof that it controls all accounts
+    private fun signEventsToProveControlOfAccounts(
+        accounts: List<AccountInfo>,
+        notificationToken: String
+    ): List<RelayAuthEvent> {
+        return accounts.mapNotNull {
+            val acc = LocalPreferences.loadFromEncryptedStorage(it.npub)
+            if (acc != null) {
+                val relayToUse = acc.activeRelays()?.firstOrNull { it.read }
+                if (relayToUse != null) {
+                    acc.createAuthEvent(relayToUse, notificationToken)
+                } else {
+                    null
+                }
+            } else {
+                null
+            }
+        }
+    }
+
+    private fun postRegistrationEvent(events: List<RelayAuthEvent>) {
+        try {
+            val jsonObject = """{
+                "events": [ ${events.joinToString(", ") { it.toJson() }} ]
+            }
+            """
+
+            val mediaType = "application/json; charset=utf-8".toMediaType()
+            val body = jsonObject.toRequestBody(mediaType)
+
+            val request = Request.Builder()
+                .header("User-Agent", "Amethyst/${BuildConfig.VERSION_NAME}")
+                .url("https://push.amethyst.social/register")
+                .post(body)
+                .build()
+
+            val client = HttpClient.getHttpClient()
+
+            client.newCall(request).execute()
+        } catch (e: java.lang.Exception) {
+            Log.e("FirebaseMsgService", "Unable to register with push server", e)
+        }
+    }
+
+    fun go(notificationToken: String) {
+        val scope = CoroutineScope(Job() + Dispatchers.IO)
+        scope.launch {
+            postRegistrationEvent(
+                signEventsToProveControlOfAccounts(accounts, notificationToken)
+            )
+        }
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/service/previews/BahaUrlPreview.kt

@@ -0,0 +1,48 @@
+package com.vitorpamplona.amethyst.service.previews
+
+import android.net.Uri
+import kotlinx.coroutines.*
+import java.util.*
+
+class BahaUrlPreview(val url: String, var callback: IUrlPreviewCallback?) {
+    val scope = CoroutineScope(Job() + Dispatchers.Main)
+    private val imageExtensionArray = arrayOf(".gif", ".png", ".jpg", ".jpeg", ".bmp", ".webp")
+
+    fun fetchUrlPreview(timeOut: Int = 30000) {
+        val exceptionHandler = CoroutineExceptionHandler { coroutineContext, throwable ->
+            callback?.onFailed(throwable)
+        }
+        scope.launch(exceptionHandler) {
+            fetch(timeOut)
+        }
+    }
+
+    private suspend fun fetch(timeOut: Int = 30000) {
+        lateinit var urlInfoItem: UrlInfoItem
+        if (checkIsImageUrl()) {
+            urlInfoItem = UrlInfoItem(url = url, image = url)
+        } else {
+            val document = getDocument(url, timeOut)
+            urlInfoItem = parseHtml(document)
+            urlInfoItem.url = url
+        }
+        callback?.onComplete(urlInfoItem)
+    }
+
+    private fun checkIsImageUrl(): Boolean {
+        val uri = Uri.parse(url)
+        var isImage = false
+        for (imageExtension in imageExtensionArray) {
+            if (uri.path != null && uri.path!!.toLowerCase(Locale.getDefault()).endsWith(imageExtension)) {
+                isImage = true
+                break
+            }
+        }
+        return isImage
+    }
+
+    fun cleanUp() {
+        scope.cancel()
+        callback = null
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/service/previews/IUrlPreviewCallback.kt

@@ -0,0 +1,6 @@
+package com.vitorpamplona.amethyst.service.previews
+
+interface IUrlPreviewCallback {
+    fun onComplete(urlInfo: UrlInfoItem)
+    fun onFailed(throwable: Throwable)
+}

app/src/main/java/com/vitorpamplona/amethyst/service/previews/UrlInfoItem.kt

@@ -0,0 +1,12 @@
+package com.vitorpamplona.amethyst.service.previews
+
+data class UrlInfoItem(
+    var url: String = "",
+    var title: String = "",
+    var description: String = "",
+    var image: String = ""
+) {
+    fun allFetchComplete(): Boolean {
+        return title.isNotEmpty() && description.isNotEmpty() && image.isNotEmpty()
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/service/previews/UrlPreviewUtils.kt

@@ -0,0 +1,116 @@
+package com.vitorpamplona.amethyst.service.previews
+
+import com.vitorpamplona.amethyst.service.HttpClient
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import org.jsoup.Jsoup
+import org.jsoup.nodes.Document
+
+private const val ELEMENT_TAG_META = "meta"
+private const val ATTRIBUTE_VALUE_PROPERTY = "property"
+private const val ATTRIBUTE_VALUE_NAME = "name"
+private const val ATTRIBUTE_VALUE_ITEMPROP = "itemprop"
+
+/* for <meta property="og:" to get title */
+private val META_OG_TITLE = arrayOf("og:title", "\"og:title\"", "'og:title'")
+
+/* for <meta property="og:" to get description */
+private val META_OG_DESCRIPTION =
+    arrayOf("og:description", "\"og:description\"", "'og:description'")
+
+/* for <meta property="og:" to get image */
+private val META_OG_IMAGE = arrayOf("og:image", "\"og:image\"", "'og:image'")
+
+/*for <meta name=... to get title */
+private val META_NAME_TITLE = arrayOf(
+    "twitter:title",
+    "\"twitter:title\"",
+    "'twitter:title'",
+    "title",
+    "\"title\"",
+    "'title'"
+)
+
+/*for <meta name=... to get description */
+private val META_NAME_DESCRIPTION = arrayOf(
+    "twitter:description",
+    "\"twitter:description\"",
+    "'twitter:description'",
+    "description",
+    "\"description\"",
+    "'description'"
+)
+
+/*for <meta name=... to get image */
+private val META_NAME_IMAGE = arrayOf(
+    "twitter:image",
+    "\"twitter:image\"",
+    "'twitter:image'"
+)
+
+/*for <meta itemprop=... to get title */
+private val META_ITEMPROP_TITLE = arrayOf("name", "\"name\"", "'name'")
+
+/*for <meta itemprop=... to get description */
+private val META_ITEMPROP_DESCRIPTION = arrayOf("description", "\"description\"", "'description'")
+
+/*for <meta itemprop=... to get image */
+private val META_ITEMPROP_IMAGE = arrayOf("image", "\"image\"", "'image'")
+
+private const val CONTENT = "content"
+
+suspend fun getDocument(url: String, timeOut: Int = 30000): Document =
+    withContext(Dispatchers.IO) {
+        return@withContext Jsoup.connect(url)
+            .proxy(HttpClient.getProxy())
+            .timeout(timeOut)
+            .get()
+    }
+
+suspend fun parseHtml(document: Document): UrlInfoItem =
+    withContext(Dispatchers.IO) {
+        val metaTags = document.getElementsByTag(ELEMENT_TAG_META)
+        val urlInfo = UrlInfoItem()
+        metaTags.forEach {
+            val propertyTag = it.attr(ATTRIBUTE_VALUE_PROPERTY)
+            when (propertyTag) {
+                in META_OG_TITLE -> if (urlInfo.title.isEmpty()) urlInfo.title = it.attr(CONTENT)
+                in META_OG_DESCRIPTION -> if (urlInfo.description.isEmpty()) {
+                    urlInfo.description =
+                        it.attr(CONTENT)
+                }
+                in META_OG_IMAGE -> if (urlInfo.image.isEmpty()) urlInfo.image = it.attr(CONTENT)
+            }
+
+            when (it.attr(ATTRIBUTE_VALUE_NAME)) {
+                in META_NAME_TITLE -> if (urlInfo.title.isEmpty()) urlInfo.title = it.attr(CONTENT)
+                in META_NAME_DESCRIPTION -> if (urlInfo.description.isEmpty()) {
+                    urlInfo.description =
+                        it.attr(CONTENT)
+                }
+                in META_OG_IMAGE -> if (urlInfo.image.isEmpty()) urlInfo.image = it.attr(CONTENT)
+            }
+
+            when (it.attr(ATTRIBUTE_VALUE_ITEMPROP)) {
+                in META_ITEMPROP_TITLE -> if (urlInfo.title.isEmpty()) {
+                    urlInfo.title =
+                        it.attr(CONTENT)
+                }
+                in META_ITEMPROP_DESCRIPTION -> if (urlInfo.description.isEmpty()) {
+                    urlInfo.description =
+                        it.attr(
+                            CONTENT
+                        )
+                }
+                in META_ITEMPROP_IMAGE -> if (urlInfo.image.isEmpty()) {
+                    urlInfo.image = it.attr(
+                        CONTENT
+                    )
+                }
+            }
+            if (urlInfo.allFetchComplete()) {
+                return@withContext urlInfo
+            }
+        }
+        return@withContext urlInfo
+    }

app/src/main/java/com/vitorpamplona/amethyst/service/relays/Client.kt

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.service.relays
 
+import com.vitorpamplona.amethyst.service.HttpClient
 import com.vitorpamplona.amethyst.service.model.Event
 import com.vitorpamplona.amethyst.service.model.EventInterface
 import kotlinx.coroutines.DelicateCoroutinesApi
@@ -69,7 +70,7 @@ object Client : RelayPool.Listener {
         if (relay == null) {
             RelayPool.send(signedEvent)
         } else {
-            val useConnectedRelayIfPresent = relays.filter { it.url == relay }
+            val useConnectedRelayIfPresent = RelayPool.getRelays(relay)
 
             if (useConnectedRelayIfPresent.isNotEmpty()) {
                 useConnectedRelayIfPresent.forEach {
@@ -91,7 +92,7 @@ object Client : RelayPool.Listener {
 
     @OptIn(DelicateCoroutinesApi::class)
     fun newSporadicRelay(url: String, feedTypes: Set<FeedType>?, onConnected: (Relay) -> Unit, onDone: (() -> Unit)?) {
-        val relay = Relay(url, true, true, feedTypes ?: emptySet())
+        val relay = Relay(url, true, true, feedTypes ?: emptySet(), HttpClient.getProxy())
         RelayPool.addRelay(relay)
 
         relay.requestAndWatch {
@@ -102,7 +103,7 @@ object Client : RelayPool.Listener {
             onConnected(relay)
 
             GlobalScope.launch(Dispatchers.IO) {
-                delay(10000) // waits for a reply
+                delay(60000) // waits for a reply
                 relay.disconnect()
                 RelayPool.removeRelay(relay)
 

app/src/main/java/com/vitorpamplona/amethyst/service/relays/Constants.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.relays
 
 import com.vitorpamplona.amethyst.model.RelaySetupInfo
+import com.vitorpamplona.amethyst.service.HttpClient
 
 object Constants {
     val activeTypes = setOf(FeedType.FOLLOWS, FeedType.PRIVATE_DMS)
@@ -10,7 +11,7 @@ object Constants {
 
     fun convertDefaultRelays(): Array<Relay> {
         return defaultRelays.map {
-            Relay(it.url, it.read, it.write, it.feedTypes)
+            Relay(it.url, it.read, it.write, it.feedTypes, HttpClient.getProxy())
         }.toTypedArray()
     }
 

app/src/main/java/com/vitorpamplona/amethyst/service/relays/EOSE.kt

@@ -19,13 +19,28 @@ class EOSERelayList(var relayList: Map<String, EOSETime> = emptyMap()) {
     }
 }
 
-class EOSEAccount(var users: Map<User, EOSERelayList> = emptyMap()) {
-    fun addOrUpdate(user: User, relayUrl: String, time: Long) {
-        val relayList = users[user]
+class EOSEFollowList(var followList: Map<String, EOSERelayList> = emptyMap()) {
+    fun addOrUpdate(listCode: String, relayUrl: String, time: Long) {
+        val relayList = followList[listCode]
         if (relayList == null) {
-            users = users + mapOf(user to EOSERelayList(mapOf(relayUrl to EOSETime(time))))
+            val newList = EOSERelayList()
+            newList.addOrUpdate(relayUrl, time)
+            followList = followList + mapOf(listCode to newList)
         } else {
             relayList.addOrUpdate(relayUrl, time)
         }
     }
 }
+
+class EOSEAccount(var users: Map<User, EOSEFollowList> = emptyMap()) {
+    fun addOrUpdate(user: User, listCode: String, relayUrl: String, time: Long) {
+        val followList = users[user]
+        if (followList == null) {
+            val newList = EOSEFollowList()
+            newList.addOrUpdate(listCode, relayUrl, time)
+            users = users + mapOf(user to newList)
+        } else {
+            followList.addOrUpdate(listCode, relayUrl, time)
+        }
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/service/relays/Relay.kt

@@ -11,6 +11,8 @@ import okhttp3.Request
 import okhttp3.Response
 import okhttp3.WebSocket
 import okhttp3.WebSocketListener
+import java.net.Proxy
+import java.time.Duration
 import java.util.Date
 
 enum class FeedType {
@@ -23,9 +25,17 @@ class Relay(
     var url: String,
     var read: Boolean = true,
     var write: Boolean = true,
-    var activeTypes: Set<FeedType> = FeedType.values().toSet()
+    var activeTypes: Set<FeedType> = FeedType.values().toSet(),
+    proxy: Proxy?
 ) {
+    val seconds = if (proxy != null) 20L else 10L
+    val duration = Duration.ofSeconds(seconds)
+
     private val httpClient = OkHttpClient.Builder()
+        .proxy(proxy)
+        .readTimeout(duration)
+        .connectTimeout(duration)
+        .writeTimeout(duration)
         .followRedirects(true)
         .followSslRedirects(true)
         .build()

app/src/main/java/com/vitorpamplona/amethyst/service/relays/RelayPool.kt

@@ -30,6 +30,10 @@ object RelayPool : Relay.Listener {
         return relays.firstOrNull() { it.url == url }
     }
 
+    fun getRelays(url: String): List<Relay> {
+        return relays.filter { it.url == url }
+    }
+
     fun loadRelays(relayList: List<Relay>) {
         if (!relayList.isNullOrEmpty()) {
             relayList.forEach { addRelay(it) }

app/src/main/java/com/vitorpamplona/amethyst/ui/MainActivity.kt

@@ -20,7 +20,13 @@ import coil.decode.SvgDecoder
 import com.vitorpamplona.amethyst.LocalPreferences
 import com.vitorpamplona.amethyst.ServiceManager
 import com.vitorpamplona.amethyst.VideoCache
+import com.vitorpamplona.amethyst.service.HttpClient
+import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
+import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
+import com.vitorpamplona.amethyst.service.model.ChannelMetadataEvent
+import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.service.nip19.Nip19
+import com.vitorpamplona.amethyst.service.notifications.PushNotificationUtils
 import com.vitorpamplona.amethyst.service.relays.Client
 import com.vitorpamplona.amethyst.ui.components.muted
 import com.vitorpamplona.amethyst.ui.navigation.Route
@@ -39,22 +45,9 @@ class MainActivity : FragmentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        val nip19 = Nip19.uriToRoute(intent?.data?.toString())
-        val startingPage = when (nip19?.type) {
-            Nip19.Type.USER -> "User/${nip19.hex}"
-            Nip19.Type.NOTE -> "Note/${nip19.hex}"
-            Nip19.Type.EVENT -> "Event/${nip19.hex}"
-            Nip19.Type.ADDRESS -> "Note/${nip19.hex}"
-            else -> null
-        } ?: try {
-            intent?.data?.toString()?.let {
-                Nip47.parse(it)
-                val encodedUri = URLEncoder.encode(it, StandardCharsets.UTF_8.toString())
-                Route.Home.base + "?nip47=" + encodedUri
-            }
-        } catch (e: Exception) {
-            null
-        }
+        val uri = intent?.data?.toString()
+
+        val startingPage = uriToRoute(uri)
 
         // Initializes video cache.
         VideoCache.init(this.applicationContext)
@@ -68,6 +61,7 @@ class MainActivity : FragmentActivity() {
                 }
                 add(SvgDecoder.Factory())
             } // .logger(DebugLogger())
+                .okHttpClient { HttpClient.getHttpClient() }
                 .respectCacheHeaders(false)
                 .build()
         }
@@ -100,6 +94,8 @@ class MainActivity : FragmentActivity() {
         GlobalScope.launch(Dispatchers.IO) {
             ServiceManager.start()
         }
+
+        PushNotificationUtils().init(LocalPreferences.allSavedAccounts())
     }
 
     override fun onPause() {
@@ -128,3 +124,39 @@ class GetMediaActivityResultContract : ActivityResultContracts.GetContent() {
         }
     }
 }
+
+fun uriToRoute(uri: String?): String? {
+    return if (uri.equals("nostr:Notifications", true)) {
+        Route.Notification.route.replace("{scrollToTop}", "true")
+    } else {
+        if (uri?.startsWith("nostr:Hashtag?id=") == true) {
+            Route.Hashtag.route.replace("{id}", uri.removePrefix("nostr:Hashtag?id="))
+        } else {
+            val nip19 = Nip19.uriToRoute(uri)
+            when (nip19?.type) {
+                Nip19.Type.USER -> "User/${nip19.hex}"
+                Nip19.Type.NOTE -> "Note/${nip19.hex}"
+                Nip19.Type.EVENT -> {
+                    if (nip19.kind == PrivateDmEvent.kind) {
+                        "Room/${nip19.author}"
+                    } else if (nip19.kind == ChannelMessageEvent.kind || nip19.kind == ChannelCreateEvent.kind || nip19.kind == ChannelMetadataEvent.kind) {
+                        "Channel/${nip19.hex}"
+                    } else {
+                        "Event/${nip19.hex}"
+                    }
+                }
+
+                Nip19.Type.ADDRESS -> "Note/${nip19.hex}"
+                else -> null
+            }
+        } ?: try {
+            uri?.let {
+                Nip47.parse(it)
+                val encodedUri = URLEncoder.encode(it, StandardCharsets.UTF_8.toString())
+                Route.Home.base + "?nip47=" + encodedUri
+            }
+        } catch (e: Exception) {
+            null
+        }
+    }
+}

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

@@ -10,6 +10,7 @@ import android.provider.MediaStore
 import android.webkit.MimeTypeMap
 import androidx.annotation.RequiresApi
 import com.vitorpamplona.amethyst.BuildConfig
+import com.vitorpamplona.amethyst.service.HttpClient
 import okhttp3.*
 import okio.BufferedSource
 import okio.IOException
@@ -32,7 +33,7 @@ object ImageSaver {
         onSuccess: () -> Any?,
         onError: (Throwable) -> Any?
     ) {
-        val client = OkHttpClient.Builder().build()
+        val client = HttpClient.getHttpClient()
 
         val request = Request.Builder()
             .header("User-Agent", "Amethyst/${BuildConfig.VERSION_NAME}")

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

@@ -6,6 +6,7 @@ import android.provider.OpenableColumns
 import android.webkit.MimeTypeMap
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.vitorpamplona.amethyst.BuildConfig
+import com.vitorpamplona.amethyst.service.HttpClient
 import okhttp3.*
 import okhttp3.MediaType.Companion.toMediaType
 import okio.BufferedSink
@@ -39,9 +40,9 @@ object ImageUploader {
             "Can't open the image input stream"
         }
         val myServer = when (server) {
-            ServersAvailable.IMGUR, ServersAvailable.IMGUR_NIP_94 -> {
-                ImgurServer()
-            }
+            // ServersAvailable.IMGUR, ServersAvailable.IMGUR_NIP_94 -> {
+            //    ImgurServer()
+            // }
             ServersAvailable.NOSTRIMG, ServersAvailable.NOSTRIMG_NIP_94 -> {
                 NostrImgServer()
             }
@@ -52,7 +53,7 @@ object ImageUploader {
                 NostrFilesDevServer()
             }
             else -> {
-                ImgurServer()
+                NostrBuildServer()
             }
         }
 
@@ -70,7 +71,7 @@ object ImageUploader {
         val fileName = randomChars()
         val extension = contentType?.let { MimeTypeMap.getSingleton().getExtensionFromMimeType(it) } ?: ""
 
-        val client = OkHttpClient.Builder().build()
+        val client = HttpClient.getHttpClient()
         val requestBody: RequestBody
         val requestBuilder = Request.Builder()
 

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

@@ -0,0 +1,350 @@
+package com.vitorpamplona.amethyst.ui.actions
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.defaultMinSize
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.heightIn
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.material.Divider
+import androidx.compose.material.Icon
+import androidx.compose.material.IconButton
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.OutlinedTextField
+import androidx.compose.material.Surface
+import androidx.compose.material.Text
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Clear
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.livedata.observeAsState
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.ExperimentalComposeUiApi
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.focus.FocusRequester
+import androidx.compose.ui.focus.focusRequester
+import androidx.compose.ui.focus.onFocusChanged
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalLifecycleOwner
+import androidx.compose.ui.platform.LocalSoftwareKeyboardController
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.model.LocalCache
+import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.NostrSearchEventOrUserDataSource
+import com.vitorpamplona.amethyst.ui.note.ChannelName
+import com.vitorpamplona.amethyst.ui.note.UserPicture
+import com.vitorpamplona.amethyst.ui.note.UsernameDisplay
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.SearchBarViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.flow.debounce
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.receiveAsFlow
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+@Composable
+fun JoinUserOrChannelView(onClose: () -> Unit, account: Account, nav: (String) -> Unit) {
+    val searchBarViewModel: SearchBarViewModel = viewModel()
+    searchBarViewModel.account = account
+
+    Dialog(
+        onDismissRequest = {
+            NostrSearchEventOrUserDataSource.clear()
+            searchBarViewModel.clean()
+            onClose()
+        },
+        properties = DialogProperties(
+            dismissOnClickOutside = false
+        )
+    ) {
+        Surface() {
+            Column(
+                modifier = Modifier.padding(10.dp).heightIn(min = 500.dp)
+            ) {
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    CloseButton(onCancel = {
+                        searchBarViewModel.clean()
+                        NostrSearchEventOrUserDataSource.clear()
+                        onClose()
+                    })
+
+                    Text(
+                        text = stringResource(R.string.channel_list_join_conversation),
+                        fontWeight = FontWeight.Bold
+                    )
+
+                    Text(
+                        text = "",
+                        color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+                        fontWeight = FontWeight.Bold
+                    )
+                }
+
+                Spacer(modifier = Modifier.height(15.dp))
+
+                RenderSeach(searchBarViewModel, account, nav)
+            }
+        }
+    }
+}
+
+@OptIn(ExperimentalComposeUiApi::class)
+@Composable
+private fun RenderSeach(
+    searchBarViewModel: SearchBarViewModel,
+    account: Account,
+    nav: (String) -> Unit
+) {
+    val scope = rememberCoroutineScope()
+    val listState = rememberLazyListState()
+
+    // initialize focus reference to be able to request focus programmatically
+    val focusRequester = remember { FocusRequester() }
+    val keyboardController = LocalSoftwareKeyboardController.current
+
+    val onlineSearch = NostrSearchEventOrUserDataSource
+
+    val lifeCycleOwner = LocalLifecycleOwner.current
+
+    // Create a channel for processing search queries.
+    val searchTextChanges = remember {
+        Channel<String>(Channel.CONFLATED)
+    }
+
+    LaunchedEffect(Unit) {
+        scope.launch(Dispatchers.IO) {
+            LocalCache.live.newEventBundles.collect {
+                if (searchBarViewModel.isSearching()) {
+                    searchBarViewModel.invalidateData()
+                }
+            }
+        }
+    }
+
+    LaunchedEffect(Unit) {
+        delay(100)
+        focusRequester.requestFocus()
+
+        // Wait for text changes to stop for 300 ms before firing off search.
+        withContext(Dispatchers.IO) {
+            searchTextChanges.receiveAsFlow()
+                .filter { it.isNotBlank() }
+                .distinctUntilChanged()
+                .debounce(300)
+                .collectLatest {
+                    if (it.length >= 2) {
+                        onlineSearch.search(it.trim())
+                    }
+
+                    searchBarViewModel.invalidateData()
+
+                    // makes sure to show the top of the search
+                    scope.launch(Dispatchers.Main) {
+                        listState.animateScrollToItem(0)
+                    }
+                }
+        }
+    }
+
+    DisposableEffect(Unit) {
+        val observer = LifecycleEventObserver { _, event ->
+            if (event == Lifecycle.Event.ON_RESUME) {
+                println("Join Start")
+                NostrSearchEventOrUserDataSource.start()
+                searchBarViewModel.invalidateData()
+            }
+            if (event == Lifecycle.Event.ON_PAUSE) {
+                println("Join Stop")
+                NostrSearchEventOrUserDataSource.clear()
+                NostrSearchEventOrUserDataSource.stop()
+            }
+        }
+
+        lifeCycleOwner.lifecycle.addObserver(observer)
+        onDispose {
+            lifeCycleOwner.lifecycle.removeObserver(observer)
+        }
+    }
+
+    // LAST ROW
+    Row(
+        modifier = Modifier.padding(horizontal = 10.dp).fillMaxWidth(),
+        horizontalArrangement = Arrangement.SpaceBetween,
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        OutlinedTextField(
+            label = { Text(text = stringResource(R.string.channel_list_user_or_group_id)) },
+            value = searchBarViewModel.searchValue,
+            onValueChange = {
+                searchBarViewModel.updateSearchValue(it)
+                scope.launch(Dispatchers.IO) {
+                    searchTextChanges.trySend(it)
+                }
+            },
+            leadingIcon = {
+                Icon(
+                    painter = painterResource(R.drawable.ic_search),
+                    contentDescription = null,
+                    modifier = Modifier.size(20.dp),
+                    tint = Color.Unspecified
+                )
+            },
+            modifier = Modifier
+                .weight(1f, true)
+                .defaultMinSize(minHeight = 20.dp)
+                .focusRequester(focusRequester)
+                .onFocusChanged {
+                    if (it.isFocused) {
+                        keyboardController?.show()
+                    }
+                },
+            placeholder = {
+                Text(
+                    text = stringResource(R.string.channel_list_user_or_group_id_demo),
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                )
+            },
+            trailingIcon = {
+                if (searchBarViewModel.isTrailingIconVisible) {
+                    IconButton(
+                        onClick = {
+                            searchBarViewModel.clean()
+                            onlineSearch.clear()
+                        }
+                    ) {
+                        Icon(
+                            imageVector = Icons.Default.Clear,
+                            contentDescription = stringResource(R.string.clear)
+                        )
+                    }
+                }
+            }
+        )
+    }
+
+    if (searchBarViewModel.searchValue.isNotBlank()) {
+        Row(
+            modifier = Modifier.fillMaxWidth().fillMaxHeight().padding(vertical = 10.dp)
+        ) {
+            LazyColumn(
+                modifier = Modifier.fillMaxHeight(),
+                contentPadding = PaddingValues(
+                    top = 10.dp,
+                    bottom = 10.dp
+                ),
+                state = listState
+            ) {
+                itemsIndexed(
+                    searchBarViewModel.searchResults.value,
+                    key = { _, item -> "u" + item.pubkeyHex }
+                ) { _, item ->
+                    UserComposeForChat(
+                        item,
+                        account = account,
+                        nav = nav
+                    )
+                }
+
+                itemsIndexed(
+                    searchBarViewModel.searchResultsChannels.value,
+                    key = { _, item -> "c" + item.idHex }
+                ) { _, item ->
+                    ChannelName(
+                        channelIdHex = item.idHex,
+                        channelPicture = item.profilePicture(),
+                        channelTitle = {
+                            Text(
+                                "${item.info.name}",
+                                fontWeight = FontWeight.Bold
+                            )
+                        },
+                        channelLastTime = null,
+                        channelLastContent = item.info.about,
+                        false,
+                        onClick = { nav("Channel/${item.idHex}") }
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun UserComposeForChat(
+    baseUser: User,
+    account: Account,
+    nav: (String) -> Unit
+) {
+    Column(
+        modifier =
+        Modifier.clickable(
+            onClick = { nav("Room/${baseUser.pubkeyHex}") }
+        )
+    ) {
+        Row(
+            modifier = Modifier
+                .padding(
+                    start = 12.dp,
+                    end = 12.dp,
+                    top = 10.dp
+                ),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            UserPicture(baseUser, nav, account.userProfile(), 55.dp)
+
+            Column(modifier = Modifier.padding(start = 10.dp).weight(1f)) {
+                Row(verticalAlignment = Alignment.CenterVertically) {
+                    UsernameDisplay(baseUser)
+                }
+
+                val baseUserState by baseUser.live().metadata.observeAsState()
+                val user = baseUserState?.user ?: return
+
+                Text(
+                    user.info?.about ?: "",
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis
+                )
+            }
+        }
+
+        Divider(
+            modifier = Modifier.padding(top = 10.dp),
+            thickness = 0.25.dp
+        )
+    }
+}

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

@@ -38,9 +38,10 @@ open class NewMediaModel : ViewModel() {
         this.mediaType = contentType
         this.selectedServer = defaultServer()
 
-        if (selectedServer == ServersAvailable.IMGUR) {
-            selectedServer = ServersAvailable.IMGUR_NIP_94
-        } else if (selectedServer == ServersAvailable.NOSTRIMG) {
+        // if (selectedServer == ServersAvailable.IMGUR) {
+        //    selectedServer = ServersAvailable.IMGUR_NIP_94
+        // } else
+        if (selectedServer == ServersAvailable.NOSTRIMG) {
             selectedServer = ServersAvailable.NOSTRIMG_NIP_94
         } else if (selectedServer == ServersAvailable.NOSTR_BUILD) {
             selectedServer = ServersAvailable.NOSTR_BUILD_NIP_94

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

@@ -28,7 +28,6 @@ import androidx.compose.ui.text.input.KeyboardCapitalization
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
-import androidx.navigation.NavController
 import coil.compose.AsyncImage
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
@@ -39,7 +38,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
 @Composable
-fun NewMediaView(uri: Uri, onClose: () -> Unit, postViewModel: NewMediaModel, accountViewModel: AccountViewModel, navController: NavController) {
+fun NewMediaView(uri: Uri, onClose: () -> Unit, postViewModel: NewMediaModel, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     val account = accountViewModel.accountLiveData.value?.account ?: return
     val resolver = LocalContext.current.contentResolver
     val context = LocalContext.current
@@ -111,7 +110,7 @@ fun NewMediaView(uri: Uri, onClose: () -> Unit, postViewModel: NewMediaModel, ac
 
 fun isNIP94Server(selectedServer: ServersAvailable?): Boolean {
     return selectedServer == ServersAvailable.NOSTRIMG_NIP_94 ||
-        selectedServer == ServersAvailable.IMGUR_NIP_94 ||
+        // selectedServer == ServersAvailable.IMGUR_NIP_94 ||
         selectedServer == ServersAvailable.NOSTR_BUILD_NIP_94 ||
         selectedServer == ServersAvailable.NOSTRFILES_DEV_NIP_94
 }
@@ -121,7 +120,7 @@ fun ImageVideoPost(postViewModel: NewMediaModel, acc: Account) {
     val scope = rememberCoroutineScope()
 
     val fileServers = listOf(
-        Triple(ServersAvailable.IMGUR_NIP_94, stringResource(id = R.string.upload_server_imgur_nip94), stringResource(id = R.string.upload_server_imgur_nip94_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.NOSTR_BUILD_NIP_94, stringResource(id = R.string.upload_server_nostrbuild_nip94), stringResource(id = R.string.upload_server_nostrbuild_nip94_explainer)),
         Triple(ServersAvailable.NOSTRFILES_DEV_NIP_94, stringResource(id = R.string.upload_server_nostrfilesdev_nip94), stringResource(id = R.string.upload_server_nostrfilesdev_nip94_explainer)),

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

@@ -3,6 +3,7 @@ package com.vitorpamplona.amethyst.ui.actions
 import android.graphics.Bitmap
 import android.net.Uri
 import android.os.Build
+import android.util.Log
 import android.util.Size
 import android.widget.Toast
 import androidx.compose.foundation.BorderStroke
@@ -21,11 +22,17 @@ 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.filled.Visibility
+import androidx.compose.material.icons.filled.VisibilityOff
+import androidx.compose.material.icons.filled.Warning
 import androidx.compose.material.icons.outlined.ArrowForwardIos
 import androidx.compose.material.icons.outlined.Bolt
+import androidx.compose.material.icons.rounded.Warning
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
 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.rememberCoroutineScope
@@ -47,20 +54,20 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.input.KeyboardCapitalization
 import androidx.compose.ui.text.input.TextFieldValue
+import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.text.style.TextDirection
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
 import androidx.lifecycle.viewmodel.compose.viewModel
-import androidx.navigation.NavController
 import coil.compose.AsyncImage
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.service.model.TextNoteEvent
+import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.NostrSearchEventOrUserDataSource
 import com.vitorpamplona.amethyst.ui.components.*
-import com.vitorpamplona.amethyst.ui.note.ReplyInformation
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.TextSpinner
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.UserLine
@@ -71,7 +78,7 @@ import kotlinx.coroutines.launch
 
 @OptIn(ExperimentalComposeUiApi::class)
 @Composable
-fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = null, account: Account, accountViewModel: AccountViewModel, navController: NavController) {
+fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = null, account: Account, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     val postViewModel: NewPostViewModel = viewModel()
 
     val context = LocalContext.current
@@ -80,7 +87,8 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
     val focusRequester = remember { FocusRequester() }
     val keyboardController = LocalSoftwareKeyboardController.current
 
-    val scroolState = rememberScrollState()
+    val scrollState = rememberScrollState()
+    val scope = rememberCoroutineScope()
 
     LaunchedEffect(Unit) {
         postViewModel.load(account, baseReplyTo, quote)
@@ -92,6 +100,12 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
         }
     }
 
+    DisposableEffect(Unit) {
+        onDispose {
+            NostrSearchEventOrUserDataSource.clear()
+        }
+    }
+
     Dialog(
         onDismissRequest = { onClose() },
         properties = DialogProperties(
@@ -143,12 +157,10 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                         Column(
                             modifier = Modifier
                                 .fillMaxWidth()
-                                .verticalScroll(scroolState)
+                                .verticalScroll(scrollState)
                         ) {
-                            if (postViewModel.replyTos != null && baseReplyTo?.event is TextNoteEvent) {
-                                ReplyInformation(postViewModel.replyTos, postViewModel.mentions, account, "✖ ") {
-                                    postViewModel.removeFromReplyList(it)
-                                }
+                            Notifying(postViewModel.mentions) {
+                                postViewModel.removeFromReplyList(it)
                             }
 
                             OutlinedTextField(
@@ -219,6 +231,11 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                                         },
                                         onCancel = {
                                             postViewModel.contentToAddUrl = null
+                                        },
+                                        onError = {
+                                            scope.launch {
+                                                postViewModel.imageUploadingError.emit(it)
+                                            }
                                         }
                                     )
                                 }
@@ -278,7 +295,7 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                                             true,
                                             MaterialTheme.colors.background,
                                             accountViewModel,
-                                            navController
+                                            nav
                                         )
                                     } else if (noProtocolUrlValidator.matcher(myUrlPreview).matches()) {
                                         UrlPreview("https://$myUrlPreview", myUrlPreview)
@@ -322,10 +339,11 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                         }
 
                         if (postViewModel.canUsePoll) {
-                            val hashtag = stringResource(R.string.poll_hashtag)
+                            // These should be hashtag recommendations the user selects in the future.
+                            // val hashtag = stringResource(R.string.poll_hashtag)
+                            // postViewModel.includePollHashtagInMessage(postViewModel.wantsPoll, hashtag)
                             AddPollButton(postViewModel.wantsPoll) {
                                 postViewModel.wantsPoll = !postViewModel.wantsPoll
-                                postViewModel.includePollHashtagInMessage(postViewModel.wantsPoll, hashtag)
                             }
                         }
 
@@ -335,6 +353,10 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                             }
                         }
 
+                        MarkAsSensitive(postViewModel) {
+                            postViewModel.wantsToMarkAsSensitive = !postViewModel.wantsToMarkAsSensitive
+                        }
+
                         ForwardZapTo(postViewModel) {
                             postViewModel.wantsForwardZapTo = !postViewModel.wantsForwardZapTo
                         }
@@ -345,6 +367,48 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
     }
 }
 
+@OptIn(ExperimentalLayoutApi::class)
+@Composable
+fun Notifying(baseMentions: List<User>?, onClick: (User) -> Unit) {
+    val mentions = baseMentions?.toSet()
+
+    FlowRow(verticalAlignment = Alignment.CenterVertically, modifier = Modifier.padding(horizontal = 10.dp)) {
+        if (!mentions.isNullOrEmpty()) {
+            Text(
+                stringResource(R.string.reply_notify),
+                fontWeight = FontWeight.Bold,
+                color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+            )
+
+            mentions.forEachIndexed { idx, user ->
+                val innerUserState by user.live().metadata.observeAsState()
+                val innerUser = innerUserState?.user
+
+                innerUser?.let { myUser ->
+                    Spacer(modifier = Modifier.width(5.dp))
+
+                    Button(
+                        shape = RoundedCornerShape(20.dp),
+                        colors = ButtonDefaults.buttonColors(
+                            backgroundColor = MaterialTheme.colors.primary.copy(alpha = 0.32f)
+                        ),
+                        onClick = {
+                            onClick(myUser)
+                        }
+                    ) {
+                        CreateTextWithEmoji(
+                            text = "✖ ${myUser.toBestDisplayName()}",
+                            tags = myUser.info?.latestMetadata?.tags,
+                            color = Color.White,
+                            textAlign = TextAlign.Center
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
 @Composable
 private fun AddPollButton(
     isPollActive: Boolean,
@@ -482,6 +546,60 @@ private fun ForwardZapTo(
     }
 }
 
+@Composable
+private fun MarkAsSensitive(
+    postViewModel: NewPostViewModel,
+    onClick: () -> Unit
+) {
+    IconButton(
+        onClick = {
+            onClick()
+        }
+    ) {
+        Box(
+            Modifier
+                .height(20.dp)
+                .width(23.dp)
+        ) {
+            if (!postViewModel.wantsToMarkAsSensitive) {
+                Icon(
+                    imageVector = Icons.Default.Visibility,
+                    contentDescription = stringResource(R.string.content_warning),
+                    modifier = Modifier
+                        .size(18.dp)
+                        .align(Alignment.BottomStart),
+                    tint = MaterialTheme.colors.onBackground
+                )
+                Icon(
+                    imageVector = Icons.Rounded.Warning,
+                    contentDescription = stringResource(R.string.content_warning),
+                    modifier = Modifier
+                        .size(10.dp)
+                        .align(Alignment.TopEnd),
+                    tint = MaterialTheme.colors.onBackground
+                )
+            } else {
+                Icon(
+                    imageVector = Icons.Default.VisibilityOff,
+                    contentDescription = stringResource(id = R.string.content_warning),
+                    modifier = Modifier
+                        .size(18.dp)
+                        .align(Alignment.BottomStart),
+                    tint = Color.Red
+                )
+                Icon(
+                    imageVector = Icons.Rounded.Warning,
+                    contentDescription = stringResource(id = R.string.content_warning),
+                    modifier = Modifier
+                        .size(10.dp)
+                        .align(Alignment.TopEnd),
+                    tint = Color.Yellow
+                )
+            }
+        }
+    }
+}
+
 @Composable
 fun CloseButton(onCancel: () -> Unit) {
     Button(
@@ -585,11 +703,12 @@ fun SearchButton(onPost: () -> Unit = {}, isActive: Boolean, modifier: Modifier
 }
 
 enum class ServersAvailable {
-    IMGUR,
+    // IMGUR,
     NOSTR_BUILD,
     NOSTRIMG,
     NOSTRFILES_DEV,
-    IMGUR_NIP_94,
+
+    // IMGUR_NIP_94,
     NOSTRIMG_NIP_94,
     NOSTR_BUILD_NIP_94,
     NOSTRFILES_DEV_NIP_94,
@@ -601,7 +720,8 @@ fun ImageVideoDescription(
     uri: Uri,
     defaultServer: ServersAvailable,
     onAdd: (String, ServersAvailable) -> Unit,
-    onCancel: () -> Unit
+    onCancel: () -> Unit,
+    onError: (String) -> Unit
 ) {
     val resolver = LocalContext.current.contentResolver
     val mediaType = resolver.getType(uri) ?: ""
@@ -611,11 +731,11 @@ fun ImageVideoDescription(
     val isVideo = mediaType.startsWith("video")
 
     val fileServers = listOf(
-        Triple(ServersAvailable.IMGUR, stringResource(id = R.string.upload_server_imgur), stringResource(id = R.string.upload_server_imgur_explainer)),
+        // 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.NOSTR_BUILD, stringResource(id = R.string.upload_server_nostrbuild), stringResource(id = R.string.upload_server_nostrbuild_explainer)),
         Triple(ServersAvailable.NOSTRFILES_DEV, stringResource(id = R.string.upload_server_nostrfilesdev), stringResource(id = R.string.upload_server_nostrfilesdev_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.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.NOSTR_BUILD_NIP_94, stringResource(id = R.string.upload_server_nostrbuild_nip94), stringResource(id = R.string.upload_server_nostrbuild_nip94_explainer)),
         Triple(ServersAvailable.NOSTRFILES_DEV_NIP_94, stringResource(id = R.string.upload_server_nostrfilesdev_nip94), stringResource(id = R.string.upload_server_nostrfilesdev_nip94_explainer)),
@@ -709,7 +829,12 @@ fun ImageVideoDescription(
 
                     LaunchedEffect(key1 = uri) {
                         scope.launch(Dispatchers.IO) {
-                            bitmap = resolver.loadThumbnail(uri, Size(1200, 1000), null)
+                            try {
+                                bitmap = resolver.loadThumbnail(uri, Size(1200, 1000), null)
+                            } catch (e: Exception) {
+                                onError("Unable to load file")
+                                Log.e("NewPostView", "Couldn't create thumbnail for $uri")
+                            }
                         }
                     }
 

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

@@ -14,6 +14,7 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.vitorpamplona.amethyst.model.*
 import com.vitorpamplona.amethyst.service.FileHeader
+import com.vitorpamplona.amethyst.service.NostrSearchEventOrUserDataSource
 import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 import com.vitorpamplona.amethyst.ui.components.isValidURL
@@ -66,6 +67,9 @@ open class NewPostViewModel : ViewModel() {
     var forwardZapTo by mutableStateOf<User?>(null)
     var forwardZapToEditting by mutableStateOf(TextFieldValue(""))
 
+    // NSFW, Sensitive
+    var wantsToMarkAsSensitive by mutableStateOf(false)
+
     open fun load(account: Account, replyingTo: Note?, quote: Note?) {
         originalNote = replyingTo
         replyingTo?.let { replyNote ->
@@ -96,6 +100,7 @@ open class NewPostViewModel : ViewModel() {
         contentToAddUrl = null
 
         wantsForwardZapTo = false
+        wantsToMarkAsSensitive = false
         forwardZapTo = null
         forwardZapToEditting = TextFieldValue("")
 
@@ -117,13 +122,13 @@ open class NewPostViewModel : ViewModel() {
         }
 
         if (wantsPoll) {
-            account?.sendPoll(tagger.message, tagger.replyTos, tagger.mentions, pollOptions, valueMaximum, valueMinimum, consensusThreshold, closedAt, zapReceiver)
+            account?.sendPoll(tagger.message, tagger.replyTos, tagger.mentions, pollOptions, valueMaximum, valueMinimum, consensusThreshold, closedAt, zapReceiver, wantsToMarkAsSensitive)
         } else if (originalNote?.channel() != null) {
-            account?.sendChannelMessage(tagger.message, tagger.channel!!.idHex, tagger.replyTos, tagger.mentions, zapReceiver)
+            account?.sendChannelMessage(tagger.message, tagger.channel!!.idHex, tagger.replyTos, tagger.mentions, zapReceiver, wantsToMarkAsSensitive)
         } else if (originalNote?.event is PrivateDmEvent) {
-            account?.sendPrivateMessage(tagger.message, originalNote!!.author!!.pubkeyHex, originalNote!!, tagger.mentions, zapReceiver)
+            account?.sendPrivateMessage(tagger.message, originalNote!!.author!!.pubkeyHex, originalNote!!, tagger.mentions, zapReceiver, wantsToMarkAsSensitive)
         } else {
-            account?.sendPost(tagger.message, tagger.replyTos, tagger.mentions, null, zapReceiver)
+            account?.sendPost(tagger.message, tagger.replyTos, tagger.mentions, null, zapReceiver, wantsToMarkAsSensitive)
         }
 
         cancel()
@@ -182,12 +187,15 @@ open class NewPostViewModel : ViewModel() {
         wantsInvoice = false
 
         wantsForwardZapTo = false
+        wantsToMarkAsSensitive = false
         forwardZapTo = null
         forwardZapToEditting = TextFieldValue("")
 
         userSuggestions = emptyList()
         userSuggestionAnchor = null
         userSuggestionsMainMessage = null
+
+        NostrSearchEventOrUserDataSource.clear()
     }
 
     open fun findUrlInMessage(): String? {
@@ -198,8 +206,8 @@ open class NewPostViewModel : ViewModel() {
         }
     }
 
-    open fun removeFromReplyList(it: User) {
-        mentions = mentions?.minus(it)
+    open fun removeFromReplyList(userToRemove: User) {
+        mentions = mentions?.filter { it != userToRemove }
     }
 
     open fun updateMessage(it: TextFieldValue) {
@@ -211,8 +219,10 @@ open class NewPostViewModel : ViewModel() {
             userSuggestionAnchor = it.selection
             userSuggestionsMainMessage = true
             if (lastWord.startsWith("@") && lastWord.length > 2) {
-                userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@"))
+                NostrSearchEventOrUserDataSource.search(lastWord.removePrefix("@"))
+                userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@")).sortedWith(compareBy({ account?.isFollowing(it) }, { it.toBestDisplayName() })).reversed()
             } else {
+                NostrSearchEventOrUserDataSource.clear()
                 userSuggestions = emptyList()
             }
         }
@@ -225,8 +235,10 @@ open class NewPostViewModel : ViewModel() {
             userSuggestionAnchor = it.selection
             userSuggestionsMainMessage = false
             if (lastWord.startsWith("@") && lastWord.length > 2) {
-                userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@"))
+                NostrSearchEventOrUserDataSource.search(lastWord.removePrefix("@"))
+                userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@")).sortedWith(compareBy({ account?.isFollowing(it) }, { it.toBestDisplayName() })).reversed()
             } else {
+                NostrSearchEventOrUserDataSource.clear()
                 userSuggestions = emptyList()
             }
         }

app/src/main/java/com/vitorpamplona/amethyst/ui/buttons/ChannelFabColumn.kt

@@ -6,69 +6,77 @@ import androidx.compose.material.ButtonDefaults
 import androidx.compose.material.Icon
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.OutlinedButton
+import androidx.compose.material.Text
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Add
 import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
-import com.vitorpamplona.amethyst.ui.actions.NewPollView
+import com.vitorpamplona.amethyst.ui.actions.JoinUserOrChannelView
+import com.vitorpamplona.amethyst.ui.actions.NewChannelView
 
 @Composable
-fun FabColumn(account: Account) {
+fun ChannelFabColumn(account: Account, nav: (String) -> Unit) {
     var isOpen by remember {
         mutableStateOf(false)
     }
-    var wantsToPoll by remember {
+
+    var wantsToJoinChannelOrUser by remember {
         mutableStateOf(false)
     }
-    var wantsToPost by remember {
+
+    var wantsToCreateChannel by remember {
         mutableStateOf(false)
     }
 
+    if (wantsToCreateChannel) {
+        NewChannelView({ wantsToCreateChannel = false }, account = account)
+    }
+
+    if (wantsToJoinChannelOrUser) {
+        JoinUserOrChannelView({ wantsToJoinChannelOrUser = false }, account = account, nav = nav)
+    }
+
     Column() {
         if (isOpen) {
             OutlinedButton(
-                onClick = {
-                    wantsToPoll = true
-                    isOpen = false
-                },
-                modifier = Modifier.size(45.dp),
+                onClick = { wantsToJoinChannelOrUser = true; isOpen = false },
+                modifier = Modifier.size(55.dp),
                 shape = CircleShape,
                 colors = ButtonDefaults.outlinedButtonColors(backgroundColor = MaterialTheme.colors.primary),
-                contentPadding = PaddingValues(0.dp)
+                contentPadding = PaddingValues(bottom = 3.dp)
             ) {
-                Icon(
-                    painter = painterResource(R.drawable.ic_poll),
-                    null,
-                    modifier = Modifier.size(26.dp),
-                    tint = Color.White
+                Text(
+                    text = stringResource(R.string.channel_list_join_channel),
+                    color = Color.White,
+                    textAlign = TextAlign.Center
                 )
             }
 
             Spacer(modifier = Modifier.height(20.dp))
 
             OutlinedButton(
-                onClick = {
-                    wantsToPost = true
-                    isOpen = false
-                },
-                modifier = Modifier.size(45.dp),
+                onClick = { wantsToCreateChannel = true; isOpen = false },
+                modifier = Modifier.size(55.dp),
                 shape = CircleShape,
                 colors = ButtonDefaults.outlinedButtonColors(backgroundColor = MaterialTheme.colors.primary),
-                contentPadding = PaddingValues(0.dp)
+                contentPadding = PaddingValues(bottom = 3.dp)
             ) {
-                Icon(
-                    painter = painterResource(R.drawable.ic_lists),
-                    null,
-                    modifier = Modifier.size(26.dp),
-                    tint = Color.White
+                Text(
+                    text = stringResource(R.string.channel_list_create_channel),
+                    color = Color.White,
+                    textAlign = TextAlign.Center
                 )
             }
 
             Spacer(modifier = Modifier.height(20.dp))
         }
+
         OutlinedButton(
             onClick = { isOpen = !isOpen },
             modifier = Modifier.size(55.dp),
@@ -77,19 +85,11 @@ fun FabColumn(account: Account) {
             contentPadding = PaddingValues(0.dp)
         ) {
             Icon(
-                painter = painterResource(R.drawable.ic_compose),
-                null,
+                imageVector = Icons.Outlined.Add,
+                contentDescription = stringResource(R.string.new_channel),
                 modifier = Modifier.size(26.dp),
                 tint = Color.White
             )
         }
     }
-
-    if (wantsToPost) {
-        // NewPostView({ wantsToPost = false }, account = NostrAccountDataSource.account)
-    }
-
-    if (wantsToPoll) {
-        NewPollView({ wantsToPoll = false }, account = account)
-    }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/buttons/NewNoteButton.kt

@@ -16,20 +16,19 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
-import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.ui.actions.NewPostView
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 
 @Composable
-fun NewNoteButton(account: Account, accountViewModel: AccountViewModel, navController: NavController) {
+fun NewNoteButton(account: Account, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     var wantsToPost by remember {
         mutableStateOf(false)
     }
 
     if (wantsToPost) {
-        NewPostView({ wantsToPost = false }, account = account, accountViewModel = accountViewModel, navController = navController)
+        NewPostView({ wantsToPost = false }, account = account, accountViewModel = accountViewModel, nav = nav)
     }
 
     OutlinedButton(

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

@@ -8,8 +8,8 @@ import kotlinx.coroutines.NonCancellable
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
+import java.util.concurrent.LinkedBlockingQueue
 import java.util.concurrent.atomic.AtomicBoolean
-import java.util.concurrent.atomic.AtomicReference
 
 /**
  * This class is designed to have a waiting time between two calls of invalidate
@@ -22,9 +22,11 @@ class BundledUpdate(
     private var onlyOneInBlock = AtomicBoolean()
     private var invalidatesAgain = false
 
-    fun invalidate() {
+    fun invalidate(ignoreIfDoing: Boolean = false) {
         if (onlyOneInBlock.getAndSet(true)) {
-            invalidatesAgain = true
+            if (!ignoreIfDoing) {
+                invalidatesAgain = true
+            }
             return
         }
 
@@ -54,23 +56,26 @@ class BundledInsert<T>(
     val dispatcher: CoroutineDispatcher = Dispatchers.Default
 ) {
     private var onlyOneInBlock = AtomicBoolean()
-    private var atomicSet = AtomicReference<Set<T>>(setOf<T>())
-
-    fun invalidateList(newObject: T, onUpdate: (Set<T>) -> Unit) {
-        atomicSet.updateAndGet() {
-            it + newObject
-        }
+    private var queue = LinkedBlockingQueue<T>()
 
+    fun invalidateList(newObject: T, onUpdate: suspend (Set<T>) -> Unit) {
+        queue.put(newObject)
         if (onlyOneInBlock.getAndSet(true)) {
             return
         }
 
         val scope = CoroutineScope(Job() + dispatcher)
-        scope.launch {
+        scope.launch(Dispatchers.IO) {
             try {
-                onUpdate(atomicSet.getAndSet(emptySet()))
+                val mySet = mutableSetOf<T>()
+                queue.drainTo(mySet)
+                onUpdate(mySet)
+
                 delay(delay)
-                onUpdate(atomicSet.getAndSet(emptySet()))
+
+                val mySet2 = mutableSetOf<T>()
+                queue.drainTo(mySet2)
+                onUpdate(mySet2)
             } finally {
                 withContext(NonCancellable) {
                     onlyOneInBlock.set(false)

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

@@ -5,18 +5,17 @@ import androidx.compose.material.LocalTextStyle
 import androidx.compose.material.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.text.AnnotatedString
-import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.ui.note.toShortenHex
 
 @Composable
 fun ClickableNoteTag(
     baseNote: Note,
-    navController: NavController
+    nav: (String) -> Unit
 ) {
     ClickableText(
         text = AnnotatedString("@${baseNote.idNote().toShortenHex()}"),
-        onClick = { navController.navigate("Note/${baseNote.idHex}") },
+        onClick = { nav("Note/${baseNote.idHex}") },
         style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
     )
 }