v0.32.3

Prevent author vote manipulation

.github/workflows/create-release.yml

@@ -28,10 +28,19 @@ jobs:
       - name: Build AAB
         run: ./gradlew clean bundleRelease --stacktrace
 
-      - name: Sign AAB
+      - name: Sign AAB (Google Play)
         uses: r0adkll/sign-android-release@v1
         with:
-          releaseDirectory: app/build/outputs/bundle/release
+          releaseDirectory: app/build/outputs/bundle/playRelease
+          signingKeyBase64: ${{ secrets.SIGNING_KEY }}
+          alias: ${{ secrets.KEY_ALIAS }}
+          keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
+          keyPassword: ${{ secrets.KEY_PASSWORD }}
+
+      - name: Sign AAB (F-Droid)
+        uses: r0adkll/sign-android-release@v1
+        with:
+          releaseDirectory: app/build/outputs/bundle/fdroidRelease
           signingKeyBase64: ${{ secrets.SIGNING_KEY }}
           alias: ${{ secrets.KEY_ALIAS }}
           keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
@@ -40,10 +49,19 @@ jobs:
       - name: Build APK
         run: ./gradlew assembleRelease --stacktrace --no-daemon
 
-      - name: Sign APK
+      - name: Sign APK (Google Play)
         uses: r0adkll/sign-android-release@v1
         with:
-          releaseDirectory: app/build/outputs/apk/release
+          releaseDirectory: app/build/outputs/apk/play/release
+          signingKeyBase64: ${{ secrets.SIGNING_KEY }}
+          alias: ${{ secrets.KEY_ALIAS }}
+          keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
+          keyPassword: ${{ secrets.KEY_PASSWORD }}
+
+      - name: Sign APK (F-Droid)
+        uses: r0adkll/sign-android-release@v1
+        with:
+          releaseDirectory: app/build/outputs/apk/fdroid/release
           signingKeyBase64: ${{ secrets.SIGNING_KEY }}
           alias: ${{ secrets.KEY_ALIAS }}
           keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
@@ -60,24 +78,96 @@ jobs:
           draft: false
           prerelease: false
 
-      - name: Upload APK Asset
-        id: upload-release-asset-apk
+      # Google Play APK
+      - name: Upload Play APK Universal Asset
+        id: upload-release-asset-play-universal-apk
         uses: actions/upload-release-asset@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }} 
-          asset_path: app/build/outputs/apk/release/app-release-unsigned-signed.apk
-          asset_name: app-release-${{ github.ref_name }}.apk
+          asset_path: app/build/outputs/apk/play/release/app-play-universal-release-unsigned-signed.apk
+          asset_name: amethyst-googleplay-universal-${{ github.ref_name }}.apk
           asset_content_type: application/zip
 
-      - name: Upload AAB Asset
-        id: upload-release-asset-aab
+      - name: Upload Play APK x86 Asset
+        id: upload-release-asset-play-x86-apk
         uses: actions/upload-release-asset@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: app/build/outputs/bundle/release/app-release.aab
-          asset_name: app-release-${{ github.ref_name }}.aab
+          asset_path: app/build/outputs/apk/play/release/app-play-x86-release-unsigned-signed.apk
+          asset_name: amethyst-googleplay-x86-${{ github.ref_name }}.apk
           asset_content_type: application/zip
+
+      - name: Upload Play APK x86_64 Asset
+        id: upload-release-asset-play-x86-64-apk
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: app/build/outputs/apk/play/release/app-play-x86_64-release-unsigned-signed.apk
+          asset_name: amethyst-googleplay-x86_64-${{ github.ref_name }}.apk
+          asset_content_type: application/zip
+
+      # F-Droid APK
+      - name: Upload F-Droid APK Universal Asset
+        id: upload-release-asset-fdroid-universal-apk
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: app/build/outputs/apk/fdroid/release/app-fdroid-universal-release-unsigned-signed.apk
+          asset_name: amethyst-fdroid-universal-${{ github.ref_name }}.apk
+          asset_content_type: application/zip
+
+      - name: Upload F-Droid APK x86 Asset
+        id: upload-release-asset-fdroid-x86-apk
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: app/build/outputs/apk/fdroid/release/app-fdroid-x86-release-unsigned-signed.apk
+          asset_name: amethyst-fdroid-x86-${{ github.ref_name }}.apk
+          asset_content_type: application/zip
+
+      - name: Upload F-Droid APK x86_64 Asset
+        id: upload-release-asset-fdroid-x86-64-apk
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: app/build/outputs/apk/fdroid/release/app-fdroid-x86_64-release-unsigned-signed.apk
+          asset_name: amethyst-fdroid-x86_64-${{ github.ref_name }}.apk
+          asset_content_type: application/zip
+
+
+
+      # Google Play AAB
+      - name: Upload Google Play AAB Asset
+        id: upload-release-asset-play-aab
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: app/build/outputs/bundle/playRelease/app-play-release.aab
+          asset_name: amethyst-googleplay-${{ github.ref_name }}.aab
+          asset_content_type: application/zip
+
+      # FDroid AAB
+      - name: Upload F-Droid AAB Asset
+        id: upload-release-asset-fdroid-aab
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: app/build/outputs/bundle/fdroidRelease/app-fdroid-release.aab
+          asset_name: amethyst-fdroid-${{ github.ref_name }}.aab
+          asset_content_type: application/zip

.gitignore

@@ -1,5 +1,3 @@
-*.iml
-.gradle
 /local.properties
 /.idea/caches
 /.idea/libraries
@@ -8,12 +6,11 @@
 /.idea/navEditor.xml
 /.idea/assetWizardSettings.xml
 /.idea/androidTestResultsUserPreferences.xml
+/.idea/deploymentTargetDropDown.xml
 .DS_Store
 /build
 /captures
-.externalNativeBuild
 .cxx
-local.properties
 
 
 # Built application files
@@ -36,6 +33,7 @@ out/
 # release/
 
 # Gradle files
+.gradle
 .gradle/
 build/
 
@@ -48,25 +46,51 @@ proguard/
 # Log Files
 *.log
 
-# Android Studio Navigation editor temp files
-.navigation/
-
-# Android Studio captures folder
+# Android Studio
+/*/build/
+/*/local.properties
+/*/out
+/*/*/build
+/*/*/production
 captures/
+.navigation/
+*.ipr
+*~
+*.swp
 
 # IntelliJ
 *.iml
-.idea/workspace.xml
-.idea/tasks.xml
-.idea/gradle.xml
-.idea/assetWizardSettings.xml
-.idea/dictionaries
-.idea/libraries
-# Android Studio 3 in .gitignore file.
-.idea/caches
-.idea/modules.xml
-# Comment next line if keeping position of elements in Navigation Editor is relevant for you
-.idea/navEditor.xml
+*.iws
+/out/
+deploymentTargetDropdown.xml
+render.experimental.xml
+
+# User-specific configurations
+.idea/**/caches/
+.idea/**/libraries/
+.idea/**/shelf/
+.idea/**/codeStyles
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/.name
+.idea/**/compiler.xml
+.idea/**/copyright/profiles_settings.xml
+.idea/**/encodings.xml
+.idea/**/misc.xml
+.idea/**/modules.xml
+.idea/**/scopes/scope_settings.xml
+.idea/**/dictionaries
+.idea/**/vcs.xml
+.idea/**/jsLibraryMappings.xml
+.idea/**/datasources.xml
+.idea/**/dataSources.ids
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/assetWizardSettings.xml
+.idea/**/gradle.xml
+.idea/**/jarRepositories.xml
+.idea/**/navEditor.xml
 
 # Keystore files
 # Uncomment the following lines if you do not want to check your keystore files in.

.idea/compiler.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="11" />
-  </component>
-</project>

.idea/misc.xml

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="Android Studio default JDK" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/build/classes" />
-  </component>
-  <component name="ProjectType">
-    <option name="id" value="Android" />
-  </component>
-</project>

README.md

@@ -4,6 +4,15 @@
 
 Amethyst brings the best social network to your Android phone. Just insert your Nostr private key and start posting. 
 
+[<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
+     alt="Get it on F-Droid"
+     height="80">](https://f-droid.org/packages/com.vitorpamplona.amethyst/)
+[<img src="https://play.google.com/intl/en_us/badges/images/generic/en-play-badge.png"
+     alt="Get it on Google Play"
+     height="80">](https://play.google.com/store/apps/details?id=com.vitorpamplona.amethyst)
+
+Or get the latest APK from the [Releases Section](https://github.com/vitorpamplona/amethyst/releases/latest).
+
 # Current Features
 
 - [x] Event Builders / WebSocket Subscriptions (NIP-01, NIP-15)
@@ -32,6 +41,7 @@ Amethyst brings the best social network to your Android phone. Just insert your
 - [x] Online Relay Search (NIP-50)
 - [x] Internationalization
 - [x] Badges (NIP-58)
+- [x] Hashtags
 - [ ] Local Database 
 - [ ] View Individual Reactions (Like, Boost, Zaps, Reports) per Post
 - [ ] Bookmarks, Pinned Posts, Muted Events (NIP-51)
@@ -49,6 +59,7 @@ Amethyst brings the best social network to your Android phone. Just insert your
 - [ ] Delegated Event Signing (NIP-26)
 - [ ] Account Creation / Backup Guidance (NIP-06)
 - [ ] Message Sent feedback (NIP-20)
+- [ ] Polls (NIP-69)
 
 # Development Overview
 
@@ -104,8 +115,15 @@ Build the app:
 ```
 
 ## Installing on device
+
+For the F-Droid build:
 ```bash
-./gradlew installDebug
+./gradlew installFdroidDebug
+```
+
+For the Play build:
+```bash
+./gradlew installPlayDebug
 ```
 
 ## How to Deploy
@@ -149,6 +167,12 @@ Information shared on nostr should be assumed permanent for privacy purposes. Th
 
 [Issues](https://github.com/vitorpamplona/amethyst/issues) and [pull requests](https://github.com/vitorpamplona/amethyst/pulls) are very welcome.
 
+## Contributors
+
+<a align="center" href="https://github.com/vitorpamplona/amethyst/graphs/contributors">
+  <img src="https://contrib.rocks/image?repo=vitorpamplona/amethyst" />
+</a>
+
 # MIT License
 
 Copyright (c) 2023 Vitor Pamplona

app/build.gradle

@@ -12,8 +12,8 @@ android {
         applicationId "com.vitorpamplona.amethyst"
         minSdk 26
         targetSdk 33
-        versionCode 91
-        versionName "0.24.2"
+        versionCode 118
+        versionName "0.32.3"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
@@ -33,19 +33,46 @@ android {
             resValue "string", "app_name", "@string/app_name_debug"
         }
     }
+
+    flavorDimensions "channel"
+
+    productFlavors {
+        play {
+            getIsDefault().set(true)
+            dimension "channel"
+        }
+
+        fdroid {
+            dimension "channel"
+        }
+    }
+
+    splits {
+        abi {
+            enable true
+            reset()
+            include "x86", "x86_64"
+            universalApk true
+        }
+    }
+
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_11
         targetCompatibility JavaVersion.VERSION_11
     }
+
     kotlinOptions {
         jvmTarget = '11'
     }
+
     buildFeatures {
         compose true
     }
+
     composeOptions {
         kotlinCompilerExtensionVersion "1.4.3"
     }
+
     packagingOptions {
         resources {
             excludes += '/META-INF/{AL2.0,LGPL2.1}'
@@ -66,10 +93,10 @@ dependencies {
     implementation("androidx.navigation:navigation-compose:$nav_version")
 
     // Observe Live data as State
-    implementation 'androidx.compose.runtime:runtime-livedata:1.4.0-beta02'
+    implementation "androidx.compose.runtime:runtime-livedata:$compose_ui_version"
 
-    implementation 'androidx.compose.material:material:1.4.0-beta02'
-    implementation "androidx.compose.material:material-icons-extended:1.4.0-beta02"
+    implementation "androidx.compose.material:material:$compose_ui_version"
+    implementation "androidx.compose.material:material-icons-extended:$compose_ui_version"
 
     // Lifecycle
     implementation "androidx.lifecycle:lifecycle-runtime-compose:$lifecycle_version"
@@ -77,14 +104,13 @@ dependencies {
     implementation "androidx.lifecycle:lifecycle-runtime-ktx:$lifecycle_version"
     implementation "androidx.lifecycle:lifecycle-livedata:$lifecycle_version"
 
+    implementation "net.engawapg.lib:zoomable:1.4.0"
+
     // Biometrics
     implementation "androidx.biometric:biometric-ktx:1.2.0-alpha05"
 
-    // Swipe Refresh
-    implementation 'com.google.accompanist:accompanist-swiperefresh:0.29.1-alpha'
-
     // Bitcoin secp256k1 bindings to Android
-    implementation 'fr.acinq.secp256k1:secp256k1-kmp-jni-android:0.7.1'
+    implementation 'fr.acinq.secp256k1:secp256k1-kmp-jni-android:0.8.0'
 
     // Nostr Base Protocol
     implementation('com.github.vitorpamplona.NostrPostr:nostrpostrlib:master-SNAPSHOT') {
@@ -100,9 +126,6 @@ dependencies {
     implementation 'com.fasterxml.jackson.module:jackson-module-kotlin:2.14.2'
     implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
 
-    // Robohash for Avatars
-    implementation group: 'com.github.vitorpamplona', name: 'android-robohash', version: 'master-SNAPSHOT', ext: 'aar'
-
     // link preview
     implementation 'tw.com.oneup.www:Baha-UrlPreview:1.0.1'
 
@@ -110,14 +133,14 @@ dependencies {
     implementation 'androidx.security:security-crypto-ktx:1.1.0-alpha05'
 
     // view videos
-    implementation 'com.google.android.exoplayer:exoplayer:2.18.4'
+    implementation 'com.google.android.exoplayer:exoplayer:2.18.5'
 
     // Load images from the web.
-    implementation "io.coil-kt:coil-compose:2.2.2"
+    implementation "io.coil-kt:coil-compose:$coil_version"
     // view gifs
-    implementation "io.coil-kt:coil-gif:2.2.2"
+    implementation "io.coil-kt:coil-gif:$coil_version"
     // view svgs
-    implementation("io.coil-kt:coil-svg:2.2.2")
+    implementation "io.coil-kt:coil-svg:$coil_version"
 
     // Rendering clickable text
     implementation "com.google.accompanist:accompanist-flowlayout:$accompanist_version"
@@ -133,28 +156,18 @@ dependencies {
 
     // For QR generation
     implementation 'com.google.zxing:core:3.5.1'
-    implementation "androidx.camera:camera-camera2:1.2.1"
-    implementation 'androidx.camera:camera-lifecycle:1.2.1'
-    implementation 'androidx.camera:camera-view:1.2.1'
+    implementation 'com.journeyapps:zxing-android-embedded:4.3.0'
 
     // Markdown
     implementation "com.halilibo.compose-richtext:richtext-ui:0.16.0"
     implementation "com.halilibo.compose-richtext:richtext-ui-material:0.16.0"
     implementation "com.halilibo.compose-richtext:richtext-commonmark:0.16.0"
 
-    // For QR Scanning
-    implementation 'com.google.mlkit:vision-common:17.3.0'
-
-    // Local Barcode Scanning model
-    // The idea is to make it work for degoogled phones
-    implementation 'com.google.mlkit:barcode-scanning:17.0.3'
-
     // Local model for language identification
-    implementation 'com.google.mlkit:language-id:17.0.4'
+    playImplementation 'com.google.mlkit:language-id:17.0.4'
 
     // Google services model the translate text
-    implementation 'com.google.mlkit:translate:17.0.1'
-
+    playImplementation 'com.google.mlkit:translate:17.0.1'
 
     // Automatic memory leak detection
     debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.10'
@@ -171,3 +184,35 @@ dependencies {
 ktlint {
     disabledRules.set(["no-wildcard-imports"])
 }
+
+// https://gitlab.com/fdroid/wiki/-/wikis/HOWTO:-diff-&-fix-APKs-for-Reproducible-Builds#differing-assetsdexoptbaselineprofm-easy-to-fix
+// NB: Android Studio can't find the imports; this does not affect the
+// actual build since Gradle can find them just fine.
+import com.android.tools.profgen.ArtProfileKt
+import com.android.tools.profgen.ArtProfileSerializer
+import com.android.tools.profgen.DexFile
+
+project.afterEvaluate {
+    tasks.each { task ->
+        if (task.name.startsWith("compile") && task.name.endsWith("ReleaseArtProfile")) {
+            task.doLast {
+                outputs.files.each { file ->
+                    if (file.name.endsWith(".profm")) {
+                        println("Sorting ${file} ...")
+                        def version = ArtProfileSerializer.valueOf("METADATA_0_0_2")
+                        def profile = ArtProfileKt.ArtProfile(file)
+                        def keys = new ArrayList(profile.profileData.keySet())
+                        def sortedData = new LinkedHashMap()
+                        Collections.sort keys, new DexFile.Companion()
+                        keys.each { key -> sortedData[key] = profile.profileData[key] }
+                        new FileOutputStream(file).with {
+                            write(version.magicBytes$profgen)
+                            write(version.versionBytes$profgen)
+                            version.write$profgen(it, sortedData, "")
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

app/src/androidTestPlay/java/com/vitorpamplona/amethyst/TranslationsTest.kt

@@ -77,4 +77,13 @@ class TranslationsTest {
             "pt"
         )
     }
+
+    @Test
+    fun testNostrEvents() {
+        assertTranslateContains(
+            "nostr:nevent1qqs0tsw8hjacs4fppgdg7f5yhgwwfkyua4xcs3re9wwkpkk2qeu6mhql22rcy",
+            "sure, nostr:nevent1qqs0tsw8hjacs4fppgdg7f5yhgwwfkyua4xcs3re9wwkpkk2qeu6mhql22rcy",
+            "en"
+        )
+    }
 }

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

@@ -0,0 +1,26 @@
+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
+fun TranslatableRichTextViewer(
+    content: String,
+    canPreview: Boolean,
+    modifier: Modifier = Modifier,
+    tags: List<List<String>>?,
+    backgroundColor: Color,
+    accountViewModel: AccountViewModel,
+    navController: NavController
+) = ExpandableRichTextViewer(
+    content,
+    canPreview,
+    modifier,
+    tags,
+    backgroundColor,
+    accountViewModel,
+    navController
+)

app/src/main/AndroidManifest.xml

@@ -13,6 +13,7 @@
 
     <application
         android:allowBackup="false"
+        android:name=".Amethyst"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
         android:icon="@drawable/amethyst"
@@ -22,6 +23,7 @@
         android:theme="@style/Theme.Amethyst"
         android:largeHeap="true"
         android:usesCleartextTraffic="true"
+        android:hardwareAccelerated="true"
         tools:targetApi="33">
         <activity
             android:name=".ui.MainActivity"
@@ -41,10 +43,22 @@
                 <data android:scheme="nostr" />
             </intent-filter>
 
+            <intent-filter android:label="Amethyst">
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="nostrwalletconnect" />
+            </intent-filter>
+
             <meta-data
                 android:name="android.app.lib_name"
                 android:value="" />
         </activity>
+
+        <activity
+            android:name="com.journeyapps.barcodescanner.CaptureActivity"
+            android:screenOrientation="fullSensor"
+            tools:replace="screenOrientation" />
     </application>
 
 </manifest>

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

@@ -0,0 +1,15 @@
+package com.vitorpamplona.amethyst
+
+import android.app.Application
+
+class Amethyst : Application() {
+    override fun onCreate() {
+        super.onCreate()
+        instance = this
+    }
+
+    companion object {
+        lateinit var instance: Amethyst
+            private set
+    }
+}

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

@@ -1,20 +1,26 @@
 package com.vitorpamplona.amethyst
 
-import android.content.Context
 import androidx.security.crypto.EncryptedSharedPreferences
 import androidx.security.crypto.MasterKey
 
 object EncryptedStorage {
     private const val PREFERENCES_NAME = "secret_keeper"
 
-    fun preferences(context: Context): EncryptedSharedPreferences {
+    fun prefsFileName(npub: String? = null): String {
+        return if (npub == null) PREFERENCES_NAME else "${PREFERENCES_NAME}_$npub"
+    }
+
+    fun preferences(npub: String? = null): EncryptedSharedPreferences {
+        val context = Amethyst.instance
         val masterKey: MasterKey = MasterKey.Builder(context, MasterKey.DEFAULT_MASTER_KEY_ALIAS)
             .setKeyScheme(MasterKey.KeyScheme.AES256_GCM)
             .build()
 
+        val preferencesName = prefsFileName(npub)
+
         return EncryptedSharedPreferences.create(
             context,
-            PREFERENCES_NAME,
+            preferencesName,
             masterKey,
             EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
             EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM

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

@@ -1,6 +1,8 @@
 package com.vitorpamplona.amethyst
 
+import android.annotation.SuppressLint
 import android.content.Context
+import android.content.SharedPreferences
 import com.google.gson.GsonBuilder
 import com.google.gson.reflect.TypeToken
 import com.vitorpamplona.amethyst.model.Account
@@ -9,55 +11,197 @@ import com.vitorpamplona.amethyst.model.toByteArray
 import com.vitorpamplona.amethyst.service.model.ContactListEvent
 import com.vitorpamplona.amethyst.service.model.Event
 import com.vitorpamplona.amethyst.service.model.Event.Companion.getRefinedEvent
+import com.vitorpamplona.amethyst.ui.note.Nip47URI
+import fr.acinq.secp256k1.Hex
 import nostr.postr.Persona
 import nostr.postr.toHex
+import nostr.postr.toNpub
+import java.io.File
 import java.util.Locale
 
-class LocalPreferences(context: Context) {
-    private object PrefKeys {
-        const val NOSTR_PRIVKEY = "nostr_privkey"
-        const val NOSTR_PUBKEY = "nostr_pubkey"
-        const val FOLLOWING_CHANNELS = "following_channels"
-        const val HIDDEN_USERS = "hidden_users"
-        const val RELAYS = "relays"
-        const val DONT_TRANSLATE_FROM = "dontTranslateFrom"
-        const val LANGUAGE_PREFS = "languagePreferences"
-        const val TRANSLATE_TO = "translateTo"
-        const val ZAP_AMOUNTS = "zapAmounts"
-        const val LATEST_CONTACT_LIST = "latestContactList"
-        const val HIDE_DELETE_REQUEST_INFO = "hideDeleteRequestInfo"
-        val LAST_READ: (String) -> String = { route -> "last_read_route_$route" }
+// Release mode (!BuildConfig.DEBUG) always uses encrypted preferences
+// To use plaintext SharedPreferences for debugging, set this to true
+// It will only apply in Debug builds
+private const val DEBUG_PLAINTEXT_PREFERENCES = false
+private const val DEBUG_PREFERENCES_NAME = "debug_prefs"
+
+data class AccountInfo(
+    val npub: String,
+    val hasPrivKey: Boolean = false
+)
+
+private object PrefKeys {
+    const val CURRENT_ACCOUNT = "currently_logged_in_account"
+    const val SAVED_ACCOUNTS = "all_saved_accounts"
+    const val NOSTR_PRIVKEY = "nostr_privkey"
+    const val NOSTR_PUBKEY = "nostr_pubkey"
+    const val FOLLOWING_CHANNELS = "following_channels"
+    const val HIDDEN_USERS = "hidden_users"
+    const val RELAYS = "relays"
+    const val DONT_TRANSLATE_FROM = "dontTranslateFrom"
+    const val LANGUAGE_PREFS = "languagePreferences"
+    const val TRANSLATE_TO = "translateTo"
+    const val ZAP_AMOUNTS = "zapAmounts"
+    const val ZAP_PAYMENT_REQUEST_SERVER = "zapPaymentServer"
+    const val LATEST_CONTACT_LIST = "latestContactList"
+    const val HIDE_DELETE_REQUEST_DIALOG = "hide_delete_request_dialog"
+    const val HIDE_BLOCK_ALERT_DIALOG = "hide_block_alert_dialog"
+    val LAST_READ: (String) -> String = { route -> "last_read_route_$route" }
+}
+
+private val gson = GsonBuilder().create()
+
+object LocalPreferences {
+    private const val comma = ","
+
+    private var _currentAccount: String? = null
+
+    private fun currentAccount(): String? {
+        if (_currentAccount == null) {
+            _currentAccount = encryptedPreferences().getString(PrefKeys.CURRENT_ACCOUNT, null)
+        }
+        return _currentAccount
     }
 
-    private val encryptedPreferences = EncryptedStorage.preferences(context)
-    private val gson = GsonBuilder().create()
+    private fun updateCurrentAccount(npub: String) {
+        if (_currentAccount != npub) {
+            _currentAccount = npub
 
-    fun clearEncryptedStorage() {
-        encryptedPreferences.edit().apply {
-            encryptedPreferences.all.keys.forEach { remove(it) }
-        }.apply()
+            encryptedPreferences().edit().apply {
+                putString(PrefKeys.CURRENT_ACCOUNT, npub)
+            }.apply()
+        }
+    }
+
+    private var _savedAccounts: List<String>? = null
+
+    private fun savedAccounts(): List<String> {
+        if (_savedAccounts == null) {
+            _savedAccounts = encryptedPreferences()
+                .getString(PrefKeys.SAVED_ACCOUNTS, null)?.split(comma) ?: listOf()
+        }
+        return _savedAccounts!!
+    }
+
+    private fun updateSavedAccounts(accounts: List<String>) {
+        if (_savedAccounts != accounts) {
+            _savedAccounts = accounts
+
+            encryptedPreferences().edit().apply {
+                putString(PrefKeys.SAVED_ACCOUNTS, accounts.joinToString(comma).ifBlank { null })
+            }.apply()
+        }
+    }
+
+    private val prefsDirPath: String
+        get() = "${Amethyst.instance.filesDir.parent}/shared_prefs/"
+
+    private fun addAccount(npub: String) {
+        val accounts = savedAccounts().toMutableList()
+        if (npub !in accounts) {
+            accounts.add(npub)
+            updateSavedAccounts(accounts)
+        }
+    }
+
+    private fun setCurrentAccount(account: Account) {
+        val npub = account.userProfile().pubkeyNpub()
+        updateCurrentAccount(npub)
+        addAccount(npub)
+    }
+
+    fun switchToAccount(npub: String) {
+        updateCurrentAccount(npub)
+    }
+
+    /**
+     * Removes the account from the app level shared preferences
+     */
+    private fun removeAccount(npub: String) {
+        val accounts = savedAccounts().toMutableList()
+        if (accounts.remove(npub)) {
+            updateSavedAccounts(accounts)
+        }
+    }
+
+    /**
+     * Deletes the npub-specific shared preference file
+     */
+    private fun deleteUserPreferenceFile(npub: String) {
+        val prefsDir = File(prefsDirPath)
+        prefsDir.list()?.forEach {
+            if (it.contains(npub)) {
+                File(prefsDir, it).delete()
+            }
+        }
+    }
+
+    private fun encryptedPreferences(npub: String? = null): SharedPreferences {
+        return if (BuildConfig.DEBUG && DEBUG_PLAINTEXT_PREFERENCES) {
+            val preferenceFile = if (npub == null) DEBUG_PREFERENCES_NAME else "${DEBUG_PREFERENCES_NAME}_$npub"
+            Amethyst.instance.getSharedPreferences(preferenceFile, Context.MODE_PRIVATE)
+        } else {
+            return EncryptedStorage.preferences(npub)
+        }
+    }
+
+    /**
+     * Clears the preferences for a given npub, deletes the preferences xml file,
+     * and switches the user to the first account in the list if it exists
+     *
+     * We need to use `commit()` to write changes to disk and release the file
+     * lock so that it can be deleted. If we use `apply()` there is a race
+     * condition and the file will probably not be deleted
+     */
+    @SuppressLint("ApplySharedPref")
+    fun updatePrefsForLogout(npub: String) {
+        val userPrefs = encryptedPreferences(npub)
+        userPrefs.edit().clear().commit()
+        removeAccount(npub)
+        deleteUserPreferenceFile(npub)
+
+        if (savedAccounts().isEmpty()) {
+            val appPrefs = encryptedPreferences()
+            appPrefs.edit().clear().apply()
+        } else if (currentAccount() == npub) {
+            updateCurrentAccount(savedAccounts().elementAt(0))
+        }
+    }
+
+    fun updatePrefsForLogin(account: Account) {
+        setCurrentAccount(account)
+        saveToEncryptedStorage(account)
+    }
+
+    fun allSavedAccounts(): List<AccountInfo> {
+        return savedAccounts().map { npub ->
+            AccountInfo(npub = npub)
+        }
     }
 
     fun saveToEncryptedStorage(account: Account) {
-        encryptedPreferences.edit().apply {
+        val prefs = encryptedPreferences(account.userProfile().pubkeyNpub())
+        prefs.edit().apply {
             account.loggedIn.privKey?.let { putString(PrefKeys.NOSTR_PRIVKEY, it.toHex()) }
             account.loggedIn.pubKey.let { putString(PrefKeys.NOSTR_PUBKEY, it.toHex()) }
-            account.followingChannels.let { putStringSet(PrefKeys.FOLLOWING_CHANNELS, it) }
-            account.hiddenUsers.let { putStringSet(PrefKeys.HIDDEN_USERS, it) }
-            account.localRelays.let { putString(PrefKeys.RELAYS, gson.toJson(it)) }
-            account.dontTranslateFrom.let { putStringSet(PrefKeys.DONT_TRANSLATE_FROM, it) }
-            account.languagePreferences.let { putString(PrefKeys.LANGUAGE_PREFS, gson.toJson(it)) }
-            account.translateTo.let { putString(PrefKeys.TRANSLATE_TO, it) }
-            account.zapAmountChoices.let { putString(PrefKeys.ZAP_AMOUNTS, gson.toJson(it)) }
-            account.backupContactList.let { putString(PrefKeys.LATEST_CONTACT_LIST, Event.gson.toJson(it)) }
-            putBoolean(PrefKeys.HIDE_DELETE_REQUEST_INFO, account.hideDeleteRequestInfo)
+            putStringSet(PrefKeys.FOLLOWING_CHANNELS, account.followingChannels)
+            putStringSet(PrefKeys.HIDDEN_USERS, account.hiddenUsers)
+            putString(PrefKeys.RELAYS, gson.toJson(account.localRelays))
+            putStringSet(PrefKeys.DONT_TRANSLATE_FROM, account.dontTranslateFrom)
+            putString(PrefKeys.LANGUAGE_PREFS, gson.toJson(account.languagePreferences))
+            putString(PrefKeys.TRANSLATE_TO, account.translateTo)
+            putString(PrefKeys.ZAP_AMOUNTS, gson.toJson(account.zapAmountChoices))
+            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)
         }.apply()
     }
 
     fun loadFromEncryptedStorage(): Account? {
-        encryptedPreferences.apply {
+        encryptedPreferences(currentAccount()).apply {
+            val pubKey = getString(PrefKeys.NOSTR_PUBKEY, null) ?: return null
             val privKey = getString(PrefKeys.NOSTR_PRIVKEY, null)
-            val pubKey = getString(PrefKeys.NOSTR_PUBKEY, null)
             val followingChannels = getStringSet(PrefKeys.FOLLOWING_CHANNELS, null) ?: setOf()
             val hiddenUsers = getStringSet(PrefKeys.HIDDEN_USERS, emptySet()) ?: setOf()
             val localRelays = gson.fromJson(
@@ -73,9 +217,19 @@ class LocalPreferences(context: Context) {
                 object : TypeToken<List<Long>>() {}.type
             ) ?: listOf(500L, 1000L, 5000L)
 
+            val zapPaymentRequestServer = try {
+                getString(PrefKeys.ZAP_PAYMENT_REQUEST_SERVER, null)?.let {
+                    gson.fromJson(it, Nip47URI::class.java)
+                }
+            } catch (e: Throwable) {
+                e.printStackTrace()
+                null
+            }
+
             val latestContactList = try {
                 getString(PrefKeys.LATEST_CONTACT_LIST, null)?.let {
-                    Event.gson.fromJson(it, Event::class.java).getRefinedEvent(true) as ContactListEvent
+                    Event.gson.fromJson(it, Event::class.java)
+                        .getRefinedEvent(true) as ContactListEvent
                 }
             } catch (e: Throwable) {
                 e.printStackTrace()
@@ -84,43 +238,88 @@ class LocalPreferences(context: Context) {
 
             val languagePreferences = try {
                 getString(PrefKeys.LANGUAGE_PREFS, null)?.let {
-                    gson.fromJson(it, object : TypeToken<Map<String, String>>() {}.type) as Map<String, String>
-                } ?: mapOf<String, String>()
+                    gson.fromJson(
+                        it,
+                        object : TypeToken<Map<String, String>>() {}.type
+                    ) as Map<String, String>
+                } ?: mapOf()
             } catch (e: Throwable) {
                 e.printStackTrace()
-                mapOf<String, String>()
+                mapOf()
             }
 
-            val hideDeleteRequestInfo = getBoolean(PrefKeys.HIDE_DELETE_REQUEST_INFO, false)
+            val hideDeleteRequestDialog = getBoolean(PrefKeys.HIDE_DELETE_REQUEST_DIALOG, false)
+            val hideBlockAlertDialog = getBoolean(PrefKeys.HIDE_BLOCK_ALERT_DIALOG, false)
 
-            if (pubKey != null) {
-                return Account(
-                    Persona(privKey = privKey?.toByteArray(), pubKey = pubKey.toByteArray()),
-                    followingChannels,
-                    hiddenUsers,
-                    localRelays,
-                    dontTranslateFrom,
-                    languagePreferences,
-                    translateTo,
-                    zapAmountChoices,
-                    hideDeleteRequestInfo,
-                    latestContactList
-                )
-            } else {
-                return null
-            }
+            val a = Account(
+                Persona(privKey = privKey?.toByteArray(), pubKey = pubKey.toByteArray()),
+                followingChannels,
+                hiddenUsers,
+                localRelays,
+                dontTranslateFrom,
+                languagePreferences,
+                translateTo,
+                zapAmountChoices,
+                zapPaymentRequestServer,
+                hideDeleteRequestDialog,
+                hideBlockAlertDialog,
+                latestContactList
+            )
+
+            return a
         }
     }
 
     fun saveLastRead(route: String, timestampInSecs: Long) {
-        encryptedPreferences.edit().apply {
+        encryptedPreferences(currentAccount()).edit().apply {
             putLong(PrefKeys.LAST_READ(route), timestampInSecs)
         }.apply()
     }
 
     fun loadLastRead(route: String): Long {
-        encryptedPreferences.run {
+        encryptedPreferences(currentAccount()).run {
             return getLong(PrefKeys.LAST_READ(route), 0)
         }
     }
+
+    fun migrateSingleUserPrefs() {
+        if (currentAccount() != null) return
+
+        val pubkey = encryptedPreferences().getString(PrefKeys.NOSTR_PUBKEY, null) ?: return
+        val npub = Hex.decode(pubkey).toNpub()
+
+        val stringPrefs = listOf(
+            PrefKeys.NOSTR_PRIVKEY,
+            PrefKeys.NOSTR_PUBKEY,
+            PrefKeys.RELAYS,
+            PrefKeys.LANGUAGE_PREFS,
+            PrefKeys.TRANSLATE_TO,
+            PrefKeys.ZAP_AMOUNTS,
+            PrefKeys.LATEST_CONTACT_LIST
+        )
+
+        val stringSetPrefs = listOf(
+            PrefKeys.FOLLOWING_CHANNELS,
+            PrefKeys.HIDDEN_USERS,
+            PrefKeys.DONT_TRANSLATE_FROM
+        )
+
+        encryptedPreferences().apply {
+            val appPrefs = this
+            encryptedPreferences(npub).edit().apply {
+                val userPrefs = this
+
+                stringPrefs.forEach { userPrefs.putString(it, appPrefs.getString(it, null)) }
+                stringSetPrefs.forEach { userPrefs.putStringSet(it, appPrefs.getStringSet(it, null)) }
+                userPrefs.putBoolean(
+                    PrefKeys.HIDE_DELETE_REQUEST_DIALOG,
+                    appPrefs.getBoolean(PrefKeys.HIDE_DELETE_REQUEST_DIALOG, false)
+                )
+            }.apply()
+        }
+
+        encryptedPreferences().edit().clear().apply()
+        addAccount(npub)
+        updateCurrentAccount(npub)
+    }
 }

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

@@ -1,36 +1,32 @@
 package com.vitorpamplona.amethyst
 
-import android.content.Context
 import androidx.lifecycle.LiveData
+import com.vitorpamplona.amethyst.ui.components.BundledUpdate
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
-import kotlinx.coroutines.NonCancellable
-import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
-import java.util.concurrent.atomic.AtomicBoolean
 
 object NotificationCache {
     val lastReadByRoute = mutableMapOf<String, Long>()
 
-    fun markAsRead(route: String, timestampInSecs: Long, context: Context) {
+    fun markAsRead(route: String, timestampInSecs: Long) {
         val lastTime = lastReadByRoute[route]
         if (lastTime == null || timestampInSecs > lastTime) {
             lastReadByRoute.put(route, timestampInSecs)
 
             val scope = CoroutineScope(Job() + Dispatchers.IO)
             scope.launch {
-                LocalPreferences(context).saveLastRead(route, timestampInSecs)
+                LocalPreferences.saveLastRead(route, timestampInSecs)
                 live.invalidateData()
             }
         }
     }
 
-    fun load(route: String, context: Context): Long {
+    fun load(route: String): Long {
         var lastTime = lastReadByRoute[route]
         if (lastTime == null) {
-            lastTime = LocalPreferences(context).loadLastRead(route)
+            lastTime = LocalPreferences.loadLastRead(route)
             lastReadByRoute[route] = lastTime
         }
         return lastTime
@@ -42,23 +38,14 @@ object NotificationCache {
 
 class NotificationLiveData(val cache: NotificationCache) : LiveData<NotificationState>(NotificationState(cache)) {
     // Refreshes observers in batches.
-    var handlerWaiting = AtomicBoolean()
+    private val bundler = BundledUpdate(300, Dispatchers.Main) {
+        if (hasActiveObservers()) {
+            refresh()
+        }
+    }
 
     fun invalidateData() {
-        if (!hasActiveObservers()) return
-        if (handlerWaiting.getAndSet(true)) return
-
-        val scope = CoroutineScope(Job() + Dispatchers.Main)
-        scope.launch {
-            try {
-                delay(100)
-                refresh()
-            } finally {
-                withContext(NonCancellable) {
-                    handlerWaiting.set(false)
-                }
-            }
-        }
+        bundler.invalidate()
     }
 
     fun refresh() {

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

@@ -1,167 +0,0 @@
-package com.vitorpamplona.amethyst
-
-import android.content.Context
-import android.graphics.Bitmap
-import android.graphics.Canvas
-import android.graphics.Paint
-import android.util.LruCache
-import androidx.compose.ui.graphics.ImageBitmap
-import androidx.compose.ui.graphics.asImageBitmap
-import name.neuhalfen.projects.android.robohash.buckets.VariableSizeHashing
-import name.neuhalfen.projects.android.robohash.handle.Handle
-import name.neuhalfen.projects.android.robohash.handle.HandleFactory
-import name.neuhalfen.projects.android.robohash.paths.Configuration
-import name.neuhalfen.projects.android.robohash.repository.ImageRepository
-import java.util.UUID
-
-object RoboHashCache {
-
-    lateinit var robots: MyRoboHash
-
-    lateinit var defaultAvatar: ImageBitmap
-
-    @Synchronized
-    fun get(context: Context, hash: String): ImageBitmap {
-        if (!this::robots.isInitialized) {
-            robots = MyRoboHash(context)
-
-            defaultAvatar = robots.imageForHandle(robots.calculateHandleFromUUID(UUID.nameUUIDFromBytes("aaaa".toByteArray()))).asImageBitmap()
-        }
-
-        return defaultAvatar
-    }
-}
-
-/**
- * Recreates RoboHash to use a custom configuration
- */
-class MyRoboHash(context: Context) {
-    private val configuration: Configuration = ModifiedSet1Configuration()
-    private val repository: ImageRepository
-    private val hashing = VariableSizeHashing(configuration.bucketSizes)
-
-    // Optional
-    private var memoryCache: LruCache<String, Bitmap>? = null
-
-    init {
-        repository = ImageRepository(context.assets)
-    }
-
-    fun useCache(memoryCache: LruCache<String, Bitmap>?) {
-        this.memoryCache = memoryCache
-    }
-
-    fun calculateHandleFromUUID(uuid: UUID?): Handle {
-        val data = hashing.createBuckets(uuid)
-        return handleFactory.calculateHandle(data)
-    }
-
-    fun imageForHandle(handle: Handle): Bitmap {
-        if (null != memoryCache) {
-            val cached = memoryCache!![handle.toString()]
-            if (null != cached) return cached
-        }
-        val bucketValues = handle.bucketValues()
-        val paths = configuration.convertToFacetParts(bucketValues)
-        val sampleSize = 1
-        val buffer = repository.createBuffer(configuration.width(), configuration.height())
-        val target = buffer.copy(Bitmap.Config.ARGB_8888, true)
-        val merged = Canvas(target)
-        val paint = Paint(0)
-
-        // The first image is not added as copy form the buffer
-        for (i in paths.indices) {
-            merged.drawBitmap(repository.getInto(buffer, paths[i], sampleSize), 0f, 0f, paint)
-        }
-        repository.returnBuffer(buffer)
-        if (null != memoryCache) {
-            memoryCache!!.put(handle.toString(), target)
-        }
-        return target
-    }
-
-    companion object {
-        private val handleFactory = HandleFactory()
-    }
-}
-
-/**
- * Custom configuration to avoid the use of String.format in the GeneratePath
- * This uses the default location and ends up encoding number in the local language
- */
-class ModifiedSet1Configuration : Configuration {
-    override fun convertToFacetParts(bucketValues: ByteArray): Array<String> {
-        require(bucketValues.size == BUCKET_COUNT)
-        val color = INT_TO_COLOR[bucketValues[BUCKET_COLOR].toInt()]
-        val paths = mutableListOf<String>()
-
-        // e.g.
-        //   blue face  #2
-        //   blue nose  #7
-        //   blue
-        val firstFacetBucket = BUCKET_COLOR + 1
-        for (facet in 0 until FACET_COUNT) {
-            val bucketValue = bucketValues[firstFacetBucket + facet].toInt()
-            paths.add(generatePath(FACET_PATH_TEMPLATES[facet], color, bucketValue))
-        }
-        return paths.toTypedArray()
-    }
-
-    private fun generatePath(facetPathTemplate: String, color: String, bucketValue: Int): String {
-        // TODO: Make more efficient
-        return facetPathTemplate.replace("#ROOT#", ROOT).replace("#COLOR#".toRegex(), color)
-            .replace("#ITEM#".toRegex(), (bucketValue + 1).toString().padStart(2, '0'))
-    }
-
-    override fun getBucketSizes(): ByteArray {
-        return BUCKET_SIZES
-    }
-
-    override fun width(): Int {
-        return 300
-    }
-
-    override fun height(): Int {
-        return 300
-    }
-
-    companion object {
-        private const val ROOT = "sets/set1"
-        private const val BUCKET_COLOR = 0
-        private const val COLOR_COUNT = 10
-        private const val BODY_COUNT = 10
-        private const val FACE_COUNT = 10
-        private const val MOUTH_COUNT = 10
-        private const val EYES_COUNT = 10
-        private const val ACCESSORY_COUNT = 10
-        private const val BUCKET_COUNT = 6
-        private const val FACET_COUNT = 5
-        private val BUCKET_SIZES = byteArrayOf(
-            COLOR_COUNT.toByte(),
-            BODY_COUNT.toByte(),
-            FACE_COUNT.toByte(),
-            MOUTH_COUNT.toByte(),
-            EYES_COUNT.toByte(),
-            ACCESSORY_COUNT.toByte()
-        )
-        private val INT_TO_COLOR = arrayOf(
-            "blue",
-            "brown",
-            "green",
-            "grey",
-            "orange",
-            "pink",
-            "purple",
-            "red",
-            "white",
-            "yellow"
-        )
-        private val FACET_PATH_TEMPLATES = arrayOf(
-            "#ROOT#/#COLOR#/01Body/#COLOR#_body-#ITEM#.png",
-            "#ROOT#/#COLOR#/02Face/#COLOR#_face-#ITEM#.png",
-            "#ROOT#/#COLOR#/Mouth/#COLOR#_mouth-#ITEM#.png",
-            "#ROOT#/#COLOR#/Eyes/#COLOR#_eyes-#ITEM#.png",
-            "#ROOT#/#COLOR#/Accessory/#COLOR#_accessory-#ITEM#.png"
-        )
-    }
-}

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

@@ -71,6 +71,7 @@ object ServiceManager {
         account?.let {
             LocalCache.pruneOldAndHiddenMessages(it)
             LocalCache.pruneHiddenMessages(it)
+            LocalCache.pruneContactLists(it)
             // LocalCache.pruneNonFollows(it)
         }
     }

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

@@ -4,14 +4,9 @@ import android.util.Log
 import android.util.LruCache
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.model.Event
-import kotlinx.coroutines.CoroutineScope
+import com.vitorpamplona.amethyst.service.relays.Relay
+import com.vitorpamplona.amethyst.ui.components.BundledUpdate
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.NonCancellable
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
-import java.util.concurrent.atomic.AtomicBoolean
 
 data class Spammer(val pubkeyHex: HexKey, var duplicatedMessages: Set<HexKey>)
 
@@ -20,7 +15,7 @@ class AntiSpamFilter {
     val spamMessages = LruCache<Int, Spammer>(1000)
 
     @Synchronized
-    fun isSpam(event: Event): Boolean {
+    fun isSpam(event: Event, relay: Relay?): Boolean {
         val idHex = event.id
 
         // if short message, ok
@@ -33,7 +28,7 @@ class AntiSpamFilter {
         val hash = (event.content + event.tags.flatten().joinToString(",")).hashCode()
 
         if ((recentMessages[hash] != null && recentMessages[hash] != idHex) || spamMessages[hash] != null) {
-            Log.w("Potential SPAM Message", "${event.id} ${recentMessages[hash]} ${spamMessages[hash] != null} ${event.content.replace("\n", " | ")}")
+            Log.w("Potential SPAM Message", "${event.id} ${recentMessages[hash]} ${spamMessages[hash] != null} ${relay?.url} ${event.content.replace("\n", " | ")}")
 
             // Log down offenders
             if (spamMessages.get(hash) == null) {
@@ -60,23 +55,14 @@ class AntiSpamFilter {
 class AntiSpamLiveData(val cache: AntiSpamFilter) : LiveData<AntiSpamState>(AntiSpamState(cache)) {
 
     // Refreshes observers in batches.
-    var handlerWaiting = AtomicBoolean()
+    private val bundler = BundledUpdate(300, Dispatchers.Main) {
+        if (hasActiveObservers()) {
+            refresh()
+        }
+    }
 
     fun invalidateData() {
-        if (!hasActiveObservers()) return
-        if (handlerWaiting.getAndSet(true)) return
-
-        val scope = CoroutineScope(Job() + Dispatchers.Main)
-        scope.launch {
-            try {
-                delay(100)
-                refresh()
-            } finally {
-                withContext(NonCancellable) {
-                    handlerWaiting.set(false)
-                }
-            }
-        }
+        bundler.invalidate()
     }
 
     private fun refresh() {

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

@@ -3,8 +3,10 @@ package com.vitorpamplona.amethyst.model
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.NostrSingleChannelDataSource
 import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
+import com.vitorpamplona.amethyst.ui.components.BundledUpdate
 import com.vitorpamplona.amethyst.ui.note.toShortenHex
 import fr.acinq.secp256k1.Hex
+import kotlinx.coroutines.Dispatchers
 import java.util.concurrent.ConcurrentHashMap
 
 class Channel(val idHex: String) {
@@ -27,12 +29,16 @@ class Channel(val idHex: String) {
         notes[note.idHex] = note
     }
 
+    fun removeNote(note: Note) {
+        notes.remove(note.idHex)
+    }
+
     fun updateChannelInfo(creator: User, channelInfo: ChannelCreateEvent.ChannelData, updatedAt: Long) {
         this.creator = creator
         this.info = channelInfo
         this.updatedMetadataAt = updatedAt
 
-        live.refresh()
+        live.invalidateData()
     }
 
     fun profilePicture(): String? {
@@ -67,7 +73,18 @@ class Channel(val idHex: String) {
 }
 
 class ChannelLiveData(val channel: Channel) : LiveData<ChannelState>(ChannelState(channel)) {
-    fun refresh() {
+    // Refreshes observers in batches.
+    private val bundler = BundledUpdate(300, Dispatchers.Main) {
+        if (hasActiveObservers()) {
+            refresh()
+        }
+    }
+
+    fun invalidateData() {
+        bundler.invalidate()
+    }
+
+    private fun refresh() {
         postValue(ChannelState(channel))
     }
 

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

@@ -0,0 +1,26 @@
+package com.vitorpamplona.amethyst.model
+import androidx.compose.foundation.layout.padding
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.R
+fun checkForHashtagWithIcon(tag: String): HashtagIcon? {
+    return when (tag.lowercase()) {
+        "bitcoin", "btc" -> HashtagIcon(R.drawable.ht_btc, "Bitcoin", Color.Unspecified, Modifier.padding(2.dp, 2.dp, 0.dp, 0.dp))
+        "nostr", "nostrich", "nostriches", "nostrichs" -> HashtagIcon(R.drawable.ht_nostr, "Nostr", Color.Unspecified, Modifier.padding(1.dp, 2.dp, 0.dp, 0.dp))
+        "lightning", "lightningnetwork" -> HashtagIcon(R.drawable.ht_lightning, "Lightning", Color.Unspecified, Modifier.padding(1.dp, 3.dp, 0.dp, 0.dp))
+        "zap", "zaps", "zapper", "zappers", "zapping", "zapped", "zapathon", "zapraiser", "zaplife", "zapchain" -> HashtagIcon(R.drawable.zap, "Zap", Color.Unspecified, Modifier.padding(1.dp, 3.dp, 0.dp, 0.dp))
+        "amethyst" -> HashtagIcon(R.drawable.amethyst, "Amethyst", Color.Unspecified, Modifier.padding(3.dp, 2.dp, 0.dp, 0.dp))
+        "plebs", "pleb", "plebchain" -> HashtagIcon(R.drawable.plebs, "Pleb", Color.Unspecified, Modifier.padding(2.dp, 2.dp, 0.dp, 1.dp))
+        "coffee", "coffeechain" -> HashtagIcon(R.drawable.coffee, "Coffee", Color.Unspecified, Modifier.padding(2.dp, 2.dp, 0.dp, 0.dp))
+        "skullofsatoshi" -> HashtagIcon(R.drawable.skull, "SkullofSatoshi", Color.Unspecified, Modifier.padding(2.dp, 1.dp, 0.dp, 0.dp))
+
+        else -> null
+    }
+}
+class HashtagIcon(
+    val icon: Int,
+    val description: String,
+    val color: Color,
+    val modifier: Modifier
+)

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

@@ -38,14 +38,14 @@ fun HexKey.toDisplayHexKey(): String {
 }
 
 fun decodePublicKey(key: String): ByteArray {
+    val parsed = Nip19.uriToRoute(key)
+    val pubKeyParsed = parsed?.hex?.toByteArray()
+
     return if (key.startsWith("nsec")) {
         Persona(privKey = key.bechToBytes()).pubKey
-    } else if (key.startsWith("npub")) {
-        key.bechToBytes()
-    } else if (key.startsWith("note")) {
-        key.bechToBytes()
-    } else { // if (pattern.matcher(key).matches()) {
-        // } else {
+    } else if (pubKeyParsed != null) {
+        pubKeyParsed
+    } else {
         Hex.decode(key)
     }
 }

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

@@ -4,66 +4,37 @@ import android.util.Log
 import androidx.lifecycle.LiveData
 import com.fasterxml.jackson.databind.DeserializationFeature
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
-import com.google.gson.reflect.TypeToken
-import com.vitorpamplona.amethyst.service.model.ATag
-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.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.model.*
 import com.vitorpamplona.amethyst.service.relays.Relay
+import com.vitorpamplona.amethyst.ui.components.BundledUpdate
 import fr.acinq.secp256k1.Hex
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.NonCancellable
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
+import kotlinx.coroutines.*
 import nostr.postr.toNpub
 import java.io.ByteArrayInputStream
 import java.time.Instant
 import java.time.ZoneId
 import java.time.format.DateTimeFormatter
 import java.util.concurrent.ConcurrentHashMap
-import java.util.concurrent.atomic.AtomicBoolean
 
 object LocalCache {
-    val metadataParser = jacksonObjectMapper()
-        .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
-        .readerFor(UserMetadata::class.java)
+    val metadataParser by lazy {
+        jacksonObjectMapper()
+            .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
+            .readerFor(UserMetadata::class.java)
+    }
 
     val antiSpam = AntiSpamFilter()
 
-    val users = ConcurrentHashMap<HexKey, User>()
-    val notes = ConcurrentHashMap<HexKey, Note>()
+    val users = ConcurrentHashMap<HexKey, User>(5000)
+    val notes = ConcurrentHashMap<HexKey, Note>(5000)
     val channels = ConcurrentHashMap<HexKey, Channel>()
-    val addressables = ConcurrentHashMap<String, AddressableNote>()
+    val addressables = ConcurrentHashMap<String, AddressableNote>(100)
 
     fun checkGetOrCreateUser(key: String): User? {
-        return try {
-            val checkHex = Hex.decode(key).toNpub() // Checks if this is a valid Hex
-            getOrCreateUser(key)
-        } catch (e: IllegalArgumentException) {
-            Log.e("LocalCache", "Invalid Key to create user: $key", e)
-            null
+        if (isValidHexNpub(key)) {
+            return getOrCreateUser(key)
         }
+        return null
     }
 
     @Synchronized
@@ -79,13 +50,10 @@ object LocalCache {
         if (ATag.isATag(key)) {
             return checkGetOrCreateAddressableNote(key)
         }
-        return try {
-            val checkHex = Hex.decode(key).toNote() // Checks if this is a valid Hex
-            getOrCreateNote(key)
-        } catch (e: IllegalArgumentException) {
-            Log.e("LocalCache", "Invalid Key to create note: $key", e)
-            null
+        if (isValidHexNpub(key)) {
+            return getOrCreateNote(key)
         }
+        return null
     }
 
     @Synchronized
@@ -98,12 +66,19 @@ object LocalCache {
     }
 
     fun checkGetOrCreateChannel(key: String): Channel? {
+        if (isValidHexNpub(key)) {
+            return getOrCreateChannel(key)
+        }
+        return null
+    }
+
+    private fun isValidHexNpub(key: String): Boolean {
         return try {
-            val checkHex = Hex.decode(key).toNote() // Checks if this is a valid Hex
-            getOrCreateChannel(key)
+            Hex.decode(key).toNpub()
+            true
         } catch (e: IllegalArgumentException) {
-            Log.e("LocalCache", "Invalid Key to create channel: $key", e)
-            null
+            Log.e("LocalCache", "Invalid Key to create user: $key", e)
+            false
         }
     }
 
@@ -164,6 +139,18 @@ object LocalCache {
         }
     }
 
+    fun consume(event: BookmarkListEvent) {
+        val user = getOrCreateUser(event.pubKey)
+        if (user.latestBookmarkList == null || event.createdAt > user.latestBookmarkList!!.createdAt) {
+            if (event.dTag() == "bookmark") {
+                user.updateBookmark(event)
+            }
+            // Log.d("MT", "New User Metadata ${oldUser.pubkeyDisplayHex} ${oldUser.toBestDisplayName()}")
+        } else {
+            // Log.d("MT","Relay sent a previous Metadata Event ${oldUser.toBestDisplayName()} ${formattedDateTime(event.createdAt)} > ${formattedDateTime(oldUser.updatedAt)}")
+        }
+    }
+
     fun formattedDateTime(timestamp: Long): String {
         return Instant.ofEpochSecond(timestamp).atZone(ZoneId.systemDefault())
             .format(DateTimeFormatter.ofPattern("uuuu MMM d hh:mm a"))
@@ -181,31 +168,22 @@ object LocalCache {
         // Already processed this event.
         if (note.event != null) return
 
-        if (antiSpam.isSpam(event)) {
+        if (antiSpam.isSpam(event, relay)) {
             relay?.let {
                 it.spamCounter++
             }
             return
         }
 
-        val mentions = event.mentions().mapNotNull { checkGetOrCreateUser(it) }
-        val replyTo = tagsWithoutCitations(event).mapNotNull { checkGetOrCreateNote(it) }
+        val replyTo = event.tagsWithoutCitations().mapNotNull { checkGetOrCreateNote(it) }
 
-        note.loadEvent(event, author, mentions, replyTo)
+        note.loadEvent(event, author, replyTo)
 
         // Log.d("TN", "New Note (${notes.size},${users.size}) ${note.author?.toBestDisplayName()} ${note.event?.content()?.take(100)} ${formattedDateTime(event.createdAt)}")
 
         // Prepares user's profile view.
         author.addNote(note)
 
-        // Adds notifications to users.
-        mentions.forEach {
-            it.addTaggedPost(note)
-        }
-        replyTo.forEach {
-            it.author?.addTaggedPost(note)
-        }
-
         // Counts the replies
         replyTo.forEach {
             it.addReply(note)
@@ -226,33 +204,60 @@ object LocalCache {
         // Already processed this event.
         if (note.event?.id() == event.id()) return
 
-        if (antiSpam.isSpam(event)) {
+        if (antiSpam.isSpam(event, relay)) {
             relay?.let {
                 it.spamCounter++
             }
             return
         }
 
-        val mentions = event.mentions().mapNotNull { checkGetOrCreateUser(it) }
-        val replyTo = tagsWithoutCitations(event).mapNotNull { checkGetOrCreateNote(it) }
+        val replyTo = event.tagsWithoutCitations().mapNotNull { checkGetOrCreateNote(it) }
 
         if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, mentions, replyTo)
+            note.loadEvent(event, author, replyTo)
 
             author.addNote(note)
 
-            // Adds notifications to users.
-            mentions.forEach {
-                it.addTaggedPost(note)
-            }
-            replyTo.forEach {
-                it.author?.addTaggedPost(note)
-            }
-
             refreshObservers()
         }
     }
 
+    fun consume(event: PollNoteEvent, relay: Relay? = null) {
+        val note = getOrCreateNote(event.id)
+        val author = getOrCreateUser(event.pubKey)
+
+        if (relay != null) {
+            author.addRelayBeingUsed(relay, event.createdAt)
+            note.addRelay(relay)
+        }
+
+        // Already processed this event.
+        if (note.event != null) return
+
+        if (antiSpam.isSpam(event, relay)) {
+            relay?.let {
+                it.spamCounter++
+            }
+            return
+        }
+
+        val replyTo = event.tagsWithoutCitations().mapNotNull { checkGetOrCreateNote(it) }
+
+        note.loadEvent(event, author, replyTo)
+
+        // Log.d("TN", "New Note (${notes.size},${users.size}) ${note.author?.toBestDisplayName()} ${note.event?.content()?.take(100)} ${formattedDateTime(event.createdAt)}")
+
+        // Prepares user's profile view.
+        author.addNote(note)
+
+        // Counts the replies
+        replyTo.forEach {
+            it.addReply(note)
+        }
+
+        refreshObservers()
+    }
+
     fun consume(event: BadgeDefinitionEvent) {
         val note = getOrCreateAddressableNote(event.address())
         val author = getOrCreateUser(event.pubKey)
@@ -261,7 +266,7 @@ object LocalCache {
         if (note.event?.id() == event.id()) return
 
         if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList<User>(), emptyList<Note>())
+            note.loadEvent(event, author, emptyList<Note>())
 
             refreshObservers()
         }
@@ -278,7 +283,7 @@ object LocalCache {
             event.badgeAwardDefinitions().mapNotNull { getOrCreateAddressableNote(it) }
 
         if (event.createdAt > (note.createdAt() ?: 0)) {
-            note.loadEvent(event, author, emptyList(), replyTo)
+            note.loadEvent(event, author, replyTo)
 
             author.updateAcceptedBadges(note)
 
@@ -295,15 +300,9 @@ object LocalCache {
         // Log.d("TN", "New Boost (${notes.size},${users.size}) ${note.author?.toBestDisplayName()} ${formattedDateTime(event.createdAt)}")
 
         val author = getOrCreateUser(event.pubKey)
-        val awardees = event.awardees().mapNotNull { checkGetOrCreateUser(it) }
         val awardDefinition = event.awardDefinition().map { getOrCreateAddressableNote(it) }
 
-        note.loadEvent(event, author, awardees, awardDefinition)
-
-        // Adds notifications to users.
-        awardees.forEach {
-            it.addTaggedPost(note)
-        }
+        note.loadEvent(event, author, awardDefinition)
 
         // Replies of an Badge Definition are Award Events
         awardDefinition.forEach {
@@ -313,95 +312,17 @@ object LocalCache {
         refreshObservers()
     }
 
-    private fun findCitations(event: Event): Set<String> {
-        var citations = mutableSetOf<String>()
-        // Removes citations from replies:
-        val matcher = tagSearch.matcher(event.content)
-        while (matcher.find()) {
-            try {
-                val tag = matcher.group(1)?.let { event.tags[it.toInt()] }
-                if (tag != null && tag[0] == "e") {
-                    citations.add(tag[1])
-                }
-                if (tag != null && tag[0] == "a") {
-                    citations.add(tag[1])
-                }
-            } catch (e: Exception) {
-            }
-        }
-        return citations
-    }
-
-    private fun tagsWithoutCitations(event: TextNoteEvent): List<String> {
-        val repliesTo = event.replyTos()
-        val tagAddresses = event.taggedAddresses().map { it.toTag() }
-        if (repliesTo.isEmpty() && tagAddresses.isEmpty()) return emptyList()
-
-        val citations = findCitations(event)
-
-        return if (citations.isEmpty()) {
-            repliesTo + tagAddresses
-        } else {
-            repliesTo.filter { it !in citations }
-        }
-    }
-
-    private fun tagsWithoutCitations(event: LongTextNoteEvent): List<String> {
-        val repliesTo = event.replyTos()
-        val tagAddresses = event.taggedAddresses().map { it.toTag() }
-        if (repliesTo.isEmpty() && tagAddresses.isEmpty()) return emptyList()
-
-        val citations = findCitations(event)
-
-        return if (citations.isEmpty()) {
-            repliesTo + tagAddresses
-        } else {
-            repliesTo.filter { it !in citations }
-        }
-    }
-
+    @Suppress("UNUSED_PARAMETER")
     fun consume(event: RecommendRelayEvent) {
-        // Log.d("RR", event.toJson())
+//        // Log.d("RR", event.toJson())
     }
 
     fun consume(event: ContactListEvent) {
         val user = getOrCreateUser(event.pubKey)
-        val follows = event.follows()
-
-        if (event.createdAt > user.updatedFollowsAt && !follows.isNullOrEmpty()) {
-            // Saves relay list only if it's a user that is currently been seen
-            user.latestContactList = event
-
-            user.updateFollows(
-                follows.map {
-                    try {
-                        val pubKey = decodePublicKey(it.pubKeyHex)
-                        getOrCreateUser(pubKey.toHexKey())
-                    } catch (e: Exception) {
-                        Log.w("ContactList Parser", "Ignoring: Could not parse Hex key: ${it.pubKeyHex} in ${event.toJson()}")
-                        // e.printStackTrace()
-                        null
-                    }
-                }.filterNotNull().toSet(),
-                event.createdAt
-            )
-
-            // Saves relay list only if it's a user that is currently been seen
-            try {
-                if (event.content.isNotEmpty()) {
-                    val relays: Map<String, ContactListEvent.ReadWrite> =
-                        Event.gson.fromJson(
-                            event.content,
-                            object : TypeToken<Map<String, ContactListEvent.ReadWrite>>() {}.type
-                        )
-
-                    user.updateRelays(relays)
-                }
-            } catch (e: Exception) {
-                Log.w("Relay List Parser", "Relay import issue ${e.message}", e)
-                e.printStackTrace()
-            }
 
+        // avoids processing empty contact lists.
+        if (event.createdAt > (user.latestContactList?.createdAt ?: 0) && !event.tags.isEmpty()) {
+            user.updateContactList(event)
             // Log.d("CL", "AAA ${user.toBestDisplayName()} ${follows.size}")
         }
     }
@@ -422,10 +343,10 @@ object LocalCache {
 
         // Log.d("PM", "${author.toBestDisplayName()} to ${recipient?.toBestDisplayName()}")
 
-        val repliesTo = event.tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }.mapNotNull { checkGetOrCreateNote(it) }
-        val mentions = event.tags.filter { it.firstOrNull() == "p" }.mapNotNull { it.getOrNull(1) }.mapNotNull { checkGetOrCreateUser(it) }
+        val repliesTo = event.tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
+            .mapNotNull { checkGetOrCreateNote(it) }
 
-        note.loadEvent(event, author, mentions, repliesTo)
+        note.loadEvent(event, author, repliesTo)
 
         if (recipient != null) {
             author.addMessage(recipient, note)
@@ -444,13 +365,11 @@ object LocalCache {
                 deleteNote.author?.removeNote(deleteNote)
 
                 // reverts the add
-                deleteNote.mentions?.forEach { user ->
-                    user.removeTaggedPost(deleteNote)
-                    user.removeReport(deleteNote)
-                }
+                val mentions = deleteNote.event?.tags()?.filter { it.firstOrNull() == "p" }
+                    ?.mapNotNull { it.getOrNull(1) }?.mapNotNull { checkGetOrCreateUser(it) }
 
-                deleteNote.replyTo?.forEach { replyingNote ->
-                    replyingNote.author?.removeTaggedPost(deleteNote)
+                mentions?.forEach { user ->
+                    user.removeReport(deleteNote)
                 }
 
                 // Counts the replies
@@ -462,6 +381,19 @@ object LocalCache {
                     masterNote.removeReport(deleteNote)
                 }
 
+                val channel = deleteNote.channel()
+                channel?.removeNote(deleteNote)
+
+                if (deleteNote.event is PrivateDmEvent) {
+                    val author = deleteNote.author
+                    val recipient = (deleteNote.event as? PrivateDmEvent)?.recipientPubKey()?.let { checkGetOrCreateUser(it) }
+
+                    if (recipient != null && author != null) {
+                        author.removeMessage(recipient, deleteNote)
+                        recipient.removeMessage(author, deleteNote)
+                    }
+                }
+
                 notes.remove(deleteNote.idHex)
 
                 deletedAtLeastOne = true
@@ -482,23 +414,14 @@ object LocalCache {
         // Log.d("TN", "New Boost (${notes.size},${users.size}) ${note.author?.toBestDisplayName()} ${formattedDateTime(event.createdAt)}")
 
         val author = getOrCreateUser(event.pubKey)
-        val mentions = event.originalAuthor().mapNotNull { checkGetOrCreateUser(it) }
         val repliesTo = event.boostedPost().mapNotNull { checkGetOrCreateNote(it) } +
             event.taggedAddresses().mapNotNull { getOrCreateAddressableNote(it) }
 
-        note.loadEvent(event, author, mentions, repliesTo)
+        note.loadEvent(event, author, repliesTo)
 
         // Prepares user's profile view.
         author.addNote(note)
 
-        // Adds notifications to users.
-        mentions.forEach {
-            it.addTaggedPost(note)
-        }
-        repliesTo.forEach {
-            it.author?.addTaggedPost(note)
-        }
-
         // Counts the replies
         repliesTo.forEach {
             it.addBoost(note)
@@ -514,22 +437,13 @@ object LocalCache {
         if (note.event != null) return
 
         val author = getOrCreateUser(event.pubKey)
-        val mentions = event.originalAuthor().mapNotNull { checkGetOrCreateUser(it) }
         val repliesTo = event.originalPost().mapNotNull { checkGetOrCreateNote(it) } +
             event.taggedAddresses().mapNotNull { getOrCreateAddressableNote(it) }
 
-        note.loadEvent(event, author, mentions, repliesTo)
+        note.loadEvent(event, author, repliesTo)
 
         // Log.d("RE", "New Reaction ${event.content} (${notes.size},${users.size}) ${note.author?.toBestDisplayName()} ${formattedDateTime(event.createdAt)}")
 
-        // Adds notifications to users.
-        mentions.forEach {
-            it.addTaggedPost(note)
-        }
-        repliesTo.forEach {
-            it.author?.addTaggedPost(note)
-        }
-
         if (
             event.content == "" ||
             event.content == "+" ||
@@ -567,9 +481,9 @@ object LocalCache {
 
         val mentions = event.reportedAuthor().mapNotNull { checkGetOrCreateUser(it.key) }
         val repliesTo = event.reportedPost().mapNotNull { checkGetOrCreateNote(it.key) } +
-            event.taggedAddresses().mapNotNull { getOrCreateAddressableNote(it) }
+            event.taggedAddresses().map { getOrCreateAddressableNote(it) }
 
-        note.loadEvent(event, author, mentions, repliesTo)
+        note.loadEvent(event, author, repliesTo)
 
         // Log.d("RP", "New Report ${event.content} by ${note.author?.toBestDisplayName()} ${formattedDateTime(event.createdAt)}")
         // Adds notifications to users.
@@ -585,21 +499,19 @@ object LocalCache {
 
     fun consume(event: ChannelCreateEvent) {
         // Log.d("MT", "New Event ${event.content} ${event.id.toHex()}")
-        // new event
         val oldChannel = getOrCreateChannel(event.id)
         val author = getOrCreateUser(event.pubKey)
-        if (event.createdAt > oldChannel.updatedMetadataAt) {
-            if (oldChannel.creator == null || oldChannel.creator == author) {
-                oldChannel.updateChannelInfo(author, event.channelInfo(), event.createdAt)
+        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(), emptyList())
+            val note = getOrCreateNote(event.id)
+            oldChannel.addNote(note)
+            note.loadEvent(event, author, emptyList())
 
-                refreshObservers()
-            }
-        } else {
-            // older data, does nothing
+            refreshObservers()
         }
     }
 
@@ -617,7 +529,7 @@ object LocalCache {
 
                 val note = getOrCreateNote(event.id)
                 oldChannel.addNote(note)
-                note.loadEvent(event, author, emptyList(), emptyList())
+                note.loadEvent(event, author, emptyList())
 
                 refreshObservers()
             }
@@ -646,30 +558,21 @@ object LocalCache {
         // Already processed this event.
         if (note.event != null) return
 
-        if (antiSpam.isSpam(event)) {
+        if (antiSpam.isSpam(event, relay)) {
             relay?.let {
                 it.spamCounter++
             }
             return
         }
 
-        val mentions = event.mentions().mapNotNull { checkGetOrCreateUser(it) }
-        val replyTo = event.replyTos()
+        val replyTo = event.tagsWithoutCitations()
+            .filter { it != event.channel() }
             .mapNotNull { checkGetOrCreateNote(it) }
-            .filter { it.event !is ChannelCreateEvent }
 
-        note.loadEvent(event, author, mentions, replyTo)
+        note.loadEvent(event, author, replyTo)
 
         // Log.d("CM", "New Note (${notes.size},${users.size}) ${note.author?.toBestDisplayName()} ${note.event?.content()} ${formattedDateTime(event.createdAt)}")
 
-        // Adds notifications to users.
-        mentions.forEach {
-            it.addTaggedPost(note)
-        }
-        replyTo.forEach {
-            it.author?.addTaggedPost(note)
-        }
-
         // Counts the replies
         replyTo.forEach {
             it.addReply(note)
@@ -678,9 +581,11 @@ object LocalCache {
         refreshObservers()
     }
 
+    @Suppress("UNUSED_PARAMETER")
     fun consume(event: ChannelHideMessageEvent) {
     }
 
+    @Suppress("UNUSED_PARAMETER")
     fun consume(event: ChannelMuteUserEvent) {
     }
 
@@ -696,9 +601,11 @@ object LocalCache {
         val mentions = event.zappedAuthor().mapNotNull { checkGetOrCreateUser(it) }
         val repliesTo = event.zappedPost().mapNotNull { checkGetOrCreateNote(it) } +
             event.taggedAddresses().map { getOrCreateAddressableNote(it) } +
-            ((zapRequest?.event as? LnZapRequestEvent)?.taggedAddresses()?.map { getOrCreateAddressableNote(it) } ?: emptySet<Note>())
+            (
+                (zapRequest?.event as? LnZapRequestEvent)?.taggedAddresses()?.map { getOrCreateAddressableNote(it) } ?: emptySet<Note>()
+                )
 
-        note.loadEvent(event, author, mentions, repliesTo)
+        note.loadEvent(event, author, repliesTo)
 
         if (zapRequest == null) {
             Log.e("ZP", "Zap Request not found. Unable to process Zap {${event.toJson()}}")
@@ -707,14 +614,6 @@ object LocalCache {
 
         // Log.d("ZP", "New ZapEvent ${event.content} (${notes.size},${users.size}) ${note.author?.toBestDisplayName()} ${formattedDateTime(event.createdAt)}")
 
-        // Adds notifications to users.
-        mentions.forEach {
-            it.addTaggedPost(note)
-        }
-        repliesTo.forEach {
-            it.author?.addTaggedPost(note)
-        }
-
         repliesTo.forEach {
             it.addZap(zapRequest, note)
         }
@@ -734,18 +633,10 @@ object LocalCache {
         val repliesTo = event.zappedPost().mapNotNull { checkGetOrCreateNote(it) } +
             event.taggedAddresses().map { getOrCreateAddressableNote(it) }
 
-        note.loadEvent(event, author, mentions, repliesTo)
+        note.loadEvent(event, author, repliesTo)
 
         // Log.d("ZP", "New Zap Request ${event.content} (${notes.size},${users.size}) ${note.author?.toBestDisplayName()} ${formattedDateTime(event.createdAt)}")
 
-        // Adds notifications to users.
-        mentions.forEach {
-            it.addTaggedPost(note)
-        }
-        repliesTo.forEach {
-            it.author?.addTaggedPost(note)
-        }
-
         repliesTo.forEach {
             it.addZap(note, null)
         }
@@ -765,6 +656,7 @@ object LocalCache {
     fun findNotesStartingWith(text: String): List<Note> {
         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) ||
                 (it.event is ChannelMessageEvent && it.event?.content()?.contains(text, true) ?: false) ||
                 it.idHex.startsWith(text, true) ||
                 it.idNote().startsWith(text, true)
@@ -795,7 +687,7 @@ object LocalCache {
     }
 
     fun pruneOldAndHiddenMessages(account: Account) {
-        channels.forEach {
+        channels.forEach { it ->
             val toBeRemoved = it.value.pruneOldAndHiddenMessages(account)
 
             toBeRemoved.forEach {
@@ -803,15 +695,12 @@ object LocalCache {
                 // Doesn't need to clean up the replies and mentions.. Too small to matter.
 
                 // reverts the add
-                it.mentions?.forEach { user ->
-                    user.removeTaggedPost(it)
-                }
-                it.replyTo?.forEach { replyingNote ->
-                    replyingNote.author?.removeTaggedPost(it)
-                }
+                val mentions =
+                    it.event?.tags()?.filter { it.firstOrNull() == "p" }?.mapNotNull { it.getOrNull(1) }
+                        ?.mapNotNull { checkGetOrCreateUser(it) }
 
                 // Counts the replies
-                it.replyTo?.forEach { replyingNote ->
+                it.replyTo?.forEach { _ ->
                     it.removeReply(it)
                 }
             }
@@ -820,40 +709,6 @@ object LocalCache {
         }
     }
 
-    fun pruneNonFollows(account: Account) {
-        val follows = account.userProfile().follows
-        val knownPMs = account.userProfile().privateChatrooms.filter {
-            account.userProfile().hasSentMessagesTo(it.key) && account.isAcceptable(it.key)
-        }
-
-        val followsFollow = follows.map {
-            it.follows
-        }.flatten()
-
-        val followSet = follows.plus(knownPMs).plus(account.userProfile()).plus(followsFollow)
-
-        val toBeRemoved = notes
-            .filter {
-                (it.value.author == null || it.value.author!! !in followSet) && it.value.event?.kind() == TextNoteEvent.kind && it.value.liveSet?.isInUse() != true
-            }
-
-        toBeRemoved.forEach {
-            notes.remove(it.key)
-        }
-
-        val toBeRemovedUsers = users
-            .filter {
-                (it.value !in followSet) && it.value.liveSet?.isInUse() != true
-            }
-
-        toBeRemovedUsers.forEach {
-            users.remove(it.key)
-        }
-
-        println("PRUNE: ${toBeRemoved.size} messages removed because they came from NonFollows")
-        println("PRUNE: ${toBeRemovedUsers.size} users removed because are NonFollows")
-    }
-
     fun pruneHiddenMessages(account: Account) {
         val toBeRemoved = account.hiddenUsers.map {
             (users[it]?.notes ?: emptySet())
@@ -866,14 +721,6 @@ object LocalCache {
         toBeRemoved.forEach {
             it.author?.removeNote(it)
 
-            // reverts the add
-            it.mentions?.forEach { user ->
-                user.removeTaggedPost(it)
-            }
-            it.replyTo?.forEach { replyingNote ->
-                replyingNote.author?.removeTaggedPost(it)
-            }
-
             // Counts the replies
             it.replyTo?.forEach { masterNote ->
                 masterNote.removeReply(it)
@@ -889,6 +736,18 @@ object LocalCache {
         println("PRUNE: ${toBeRemoved.size} messages removed because they were Hidden")
     }
 
+    fun pruneContactLists(userAccount: Account) {
+        var removingContactList = 0
+        users.values.forEach {
+            if (it != userAccount.userProfile() && (it.liveSet == null || it.liveSet?.isInUse() == false) && it.latestContactList != null) {
+                it.latestContactList = null
+                removingContactList++
+            }
+        }
+
+        println("PRUNE: $removingContactList contact lists")
+    }
+
     // Observers line up here.
     val live: LocalCacheLiveData = LocalCacheLiveData(this)
 
@@ -897,26 +756,18 @@ object LocalCache {
     }
 }
 
-class LocalCacheLiveData(val cache: LocalCache) : LiveData<LocalCacheState>(LocalCacheState(cache)) {
+class LocalCacheLiveData(val cache: LocalCache) :
+    LiveData<LocalCacheState>(LocalCacheState(cache)) {
 
     // Refreshes observers in batches.
-    var handlerWaiting = AtomicBoolean()
+    private val bundler = BundledUpdate(300, Dispatchers.Main) {
+        if (hasActiveObservers()) {
+            refresh()
+        }
+    }
 
     fun invalidateData() {
-        if (!hasActiveObservers()) return
-        if (handlerWaiting.getAndSet(true)) return
-
-        val scope = CoroutineScope(Job() + Dispatchers.Main)
-        scope.launch {
-            try {
-                delay(50)
-                refresh()
-            } finally {
-                withContext(NonCancellable) {
-                    handlerWaiting.set(false)
-                }
-            }
-        }
+        bundler.invalidate()
     }
 
     private fun refresh() {

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

@@ -3,22 +3,17 @@ package com.vitorpamplona.amethyst.model
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.NostrSingleEventDataSource
 import com.vitorpamplona.amethyst.service.model.*
+import com.vitorpamplona.amethyst.service.relays.EOSETime
 import com.vitorpamplona.amethyst.service.relays.Relay
+import com.vitorpamplona.amethyst.ui.components.BundledUpdate
 import com.vitorpamplona.amethyst.ui.note.toShortenHex
 import fr.acinq.secp256k1.Hex
-import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.NonCancellable
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 import java.math.BigDecimal
 import java.time.Instant
 import java.time.ZoneId
 import java.time.format.DateTimeFormatter
 import java.util.Date
-import java.util.concurrent.atomic.AtomicBoolean
 import java.util.regex.Pattern
 
 val tagSearch = Pattern.compile("(?:\\s|\\A)\\#\\[([0-9]+)\\]")
@@ -35,7 +30,6 @@ open class Note(val idHex: String) {
     // They are immutable after that.
     var event: EventInterface? = null
     var author: User? = null
-    var mentions: List<User>? = null
     var replyTo: List<Note>? = null
 
     // These fields are updated every time an event related to this note is received.
@@ -53,7 +47,7 @@ open class Note(val idHex: String) {
     var relays = setOf<String>()
         private set
 
-    var lastReactionsDownloadTime: Long? = null
+    var lastReactionsDownloadTime: Map<String, EOSETime> = emptyMap()
 
     fun id() = Hex.decode(idHex)
     open fun idNote() = id().toNote()
@@ -63,19 +57,18 @@ open class Note(val idHex: String) {
         val channelHex =
             (event as? ChannelMessageEvent)?.channel()
                 ?: (event as? ChannelMetadataEvent)?.channel()
-                ?: (event as? ChannelCreateEvent)?.let { it.id }
+                ?: (event as? ChannelCreateEvent)?.id
 
         return channelHex?.let { LocalCache.checkGetOrCreateChannel(it) }
     }
 
-    open fun address() = (event as? LongTextNoteEvent)?.address()
+    open fun address(): ATag? = null
 
     open fun createdAt() = event?.createdAt()
 
-    fun loadEvent(event: Event, author: User, mentions: List<User>, replyTo: List<Note>) {
+    fun loadEvent(event: Event, author: User, replyTo: List<Note>) {
         this.event = event
         this.author = author
-        this.mentions = mentions
         this.replyTo = replyTo
 
         liveSet?.metadata?.invalidateData()
@@ -162,6 +155,7 @@ open class Note(val idHex: String) {
         }
     }
 
+    @Synchronized
     fun addZap(zapRequest: Note, zap: Note?) {
         if (zapRequest !in zaps.keys) {
             zaps = zaps + Pair(zapRequest, zap)
@@ -200,30 +194,30 @@ open class Note(val idHex: String) {
 
     fun isZappedBy(user: User): Boolean {
         // Zaps who the requester was the user
-        return zaps.any { it.key.author == user }
+        return zaps.any { it.key.author === user }
     }
 
     fun isReactedBy(user: User): Boolean {
-        return reactions.any { it.author == user }
+        return reactions.any { it.author === user }
     }
 
     fun isBoostedBy(user: User): Boolean {
-        return boosts.any { it.author == user }
+        return boosts.any { it.author === user }
     }
 
     fun reportsBy(user: User): Set<Note> {
         return reports[user] ?: emptySet()
     }
 
-    fun reportAuthorsBy(users: Set<User>): List<User> {
-        return reports.keys.filter { it in users }
+    fun reportAuthorsBy(users: Set<HexKey>): List<User> {
+        return reports.keys.filter { it.pubkeyHex in users }
     }
 
-    fun countReportAuthorsBy(users: Set<User>): Int {
-        return reports.keys.count { it in users }
+    fun countReportAuthorsBy(users: Set<HexKey>): Int {
+        return reports.keys.count { it.pubkeyHex in users }
     }
 
-    fun reportsBy(users: Set<User>): List<Note> {
+    fun reportsBy(users: Set<HexKey>): List<Note> {
         return reportAuthorsBy(users).mapNotNull {
             reports[it]
         }.flatten()
@@ -237,55 +231,45 @@ open class Note(val idHex: String) {
             }.sumOf { it }
     }
 
+    fun hasPledgeBy(user: User): Boolean {
+        return replies
+            .filter { it.event?.isTaggedHash("bounty-added-reward") ?: false }
+            .any {
+                val pledgeValue = try {
+                    BigDecimal(it.event?.content())
+                } catch (e: Exception) {
+                    null
+                    // do nothing if it can't convert to bigdecimal
+                }
+
+                pledgeValue != null && it.author == user
+            }
+    }
+
+    fun pledgedAmountByOthers(): BigDecimal {
+        return replies
+            .filter { it.event?.isTaggedHash("bounty-added-reward") ?: false }
+            .mapNotNull {
+                try {
+                    BigDecimal(it.event?.content())
+                } catch (e: Exception) {
+                    null
+                    // do nothing if it can't convert to bigdecimal
+                }
+            }
+            .sumOf { it }
+    }
+
     fun hasAnyReports(): Boolean {
         val dayAgo = Date().time / 1000 - 24 * 60 * 60
         return reports.isNotEmpty() ||
             (
-                author?.reports?.values?.filter {
+                author?.reports?.values?.any {
                     it.firstOrNull { (it.createdAt() ?: 0) > dayAgo } != null
-                }?.isNotEmpty() ?: false
+                } ?: false
                 )
     }
 
-    fun directlyCiteUsersHex(): Set<HexKey> {
-        val matcher = tagSearch.matcher(event?.content() ?: "")
-        val returningList = mutableSetOf<String>()
-        while (matcher.find()) {
-            try {
-                val tag = matcher.group(1)?.let { event?.tags()?.get(it.toInt()) }
-                if (tag != null && tag[0] == "p") {
-                    returningList.add(tag[1])
-                }
-            } catch (e: Exception) {
-            }
-        }
-        return returningList
-    }
-
-    fun directlyCiteUsers(): Set<User> {
-        val matcher = tagSearch.matcher(event?.content() ?: "")
-        val returningList = mutableSetOf<User>()
-        while (matcher.find()) {
-            try {
-                val tag = matcher.group(1)?.let { event?.tags()?.get(it.toInt()) }
-                if (tag != null && tag[0] == "p") {
-                    LocalCache.checkGetOrCreateUser(tag[1])?.let {
-                        returningList.add(it)
-                    }
-                }
-            } catch (e: Exception) {
-            }
-        }
-        return returningList
-    }
-
-    fun directlyCites(userProfile: User): Boolean {
-        return author == userProfile ||
-            (userProfile in directlyCiteUsers()) ||
-            (event is ReactionEvent && replyTo?.lastOrNull()?.directlyCites(userProfile) == true) ||
-            (event is RepostEvent && replyTo?.lastOrNull()?.directlyCites(userProfile) == true)
-    }
-
     fun isNewThread(): Boolean {
         return event is RepostEvent || replyTo == null || replyTo?.size == 0
     }
@@ -351,23 +335,14 @@ class NoteLiveSet(u: Note) {
 
 class NoteLiveData(val note: Note) : LiveData<NoteState>(NoteState(note)) {
     // Refreshes observers in batches.
-    var handlerWaiting = AtomicBoolean()
+    private val bundler = BundledUpdate(300, Dispatchers.Main) {
+        if (hasActiveObservers()) {
+            refresh()
+        }
+    }
 
     fun invalidateData() {
-        if (!hasActiveObservers()) return
-        if (handlerWaiting.getAndSet(true)) return
-
-        val scope = CoroutineScope(Job() + Dispatchers.Main)
-        scope.launch {
-            try {
-                delay(100)
-                refresh()
-            } finally {
-                withContext(NonCancellable) {
-                    handlerWaiting.set(false)
-                }
-            }
-        }
+        bundler.invalidate()
     }
 
     private fun refresh() {

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

@@ -7,8 +7,8 @@ data class RelaySetupInfo(
     val read: Boolean,
     val write: Boolean,
     val errorCount: Int = 0,
-    val downloadCount: Int = 0,
-    val uploadCount: Int = 0,
+    val downloadCountInBytes: Int = 0,
+    val uploadCountInBytes: Int = 0,
     val spamCount: Int = 0,
     val feedTypes: Set<FeedType>
 )

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

@@ -53,6 +53,11 @@ class ThreadAssembler {
                 val threadRoot = searchRoot(note, thread) ?: note
 
                 loadDown(threadRoot, thread)
+                // adds the replies of the note in case the search for Root
+                // did not added them.
+                note.replies.forEach {
+                    loadDown(it, thread)
+                }
 
                 thread.toSet()
             } else {

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

@@ -3,10 +3,6 @@ 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.ui.components.imageExtension
-import com.vitorpamplona.amethyst.ui.components.isValidURL
-import com.vitorpamplona.amethyst.ui.components.noProtocolUrlValidator
-import com.vitorpamplona.amethyst.ui.components.videoExtension
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -47,29 +43,4 @@ object UrlCachedPreviewer {
             ).fetchUrlPreview()
         }
     }
-
-    fun findUrlsInMessage(message: String): List<String> {
-        return message.split('\n').map { paragraph ->
-            paragraph.split(' ').filter { word: String ->
-                isValidURL(word) || noProtocolUrlValidator.matcher(word).matches()
-            }
-        }.flatten()
-    }
-
-    fun preloadPreviewsFor(note: Note) {
-        note.event?.content()?.let {
-            findUrlsInMessage(it).forEach {
-                val removedParamsFromUrl = it.split("?")[0].lowercase()
-                if (imageExtension.matcher(removedParamsFromUrl).matches()) {
-                    // Preload Images? Isn't this too heavy?
-                } else if (videoExtension.matcher(removedParamsFromUrl).matches()) {
-                    // Do nothing for now.
-                } else if (isValidURL(removedParamsFromUrl)) {
-                    previewInfo(it)
-                } else {
-                    previewInfo("https://$it")
-                }
-            }
-        }
-    }
 }

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

@@ -2,58 +2,41 @@ package com.vitorpamplona.amethyst.model
 
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.NostrSingleUserDataSource
+import com.vitorpamplona.amethyst.service.model.BookmarkListEvent
 import com.vitorpamplona.amethyst.service.model.ContactListEvent
 import com.vitorpamplona.amethyst.service.model.LnZapEvent
 import com.vitorpamplona.amethyst.service.model.MetadataEvent
 import com.vitorpamplona.amethyst.service.model.ReportEvent
+import com.vitorpamplona.amethyst.service.relays.EOSETime
 import com.vitorpamplona.amethyst.service.relays.Relay
+import com.vitorpamplona.amethyst.ui.components.BundledUpdate
 import com.vitorpamplona.amethyst.ui.note.toShortenHex
 import fr.acinq.secp256k1.Hex
-import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.NonCancellable
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 import nostr.postr.Bech32
 import nostr.postr.toNpub
 import java.math.BigDecimal
-import java.util.concurrent.atomic.AtomicBoolean
 import java.util.regex.Pattern
 
 val lnurlpPattern = Pattern.compile("(?i:http|https):\\/\\/((.+)\\/)*\\.well-known\\/lnurlp\\/(.*)")
 
-class Badges(val definition: Note, val awardees: Set<Note>)
-
 class User(val pubkeyHex: String) {
     var info: UserMetadata? = null
 
-    var updatedFollowsAt: Long = 0
     var latestContactList: ContactListEvent? = null
-
-    var follows = setOf<User>()
-        private set
-    var followers = setOf<User>()
-        private set
+    var latestBookmarkList: BookmarkListEvent? = null
 
     var notes = setOf<Note>()
         private set
 
-    var taggedPosts = setOf<Note>()
-        private set
-
     var reports = mapOf<User, Set<Note>>()
         private set
 
-    var latestReportTime: Long = 0
+    var latestEOSEs: Map<String, EOSETime> = emptyMap()
 
     var zaps = mapOf<Note, Note?>()
         private set
 
-    var relays: Map<String, ContactListEvent.ReadWrite>? = null
-        private set
-
     var relaysBeingUsed = mapOf<String, RelayInfo>()
         private set
 
@@ -89,54 +72,32 @@ class User(val pubkeyHex: String) {
         return info?.picture
     }
 
-    fun follow(user: User, followedAt: Long) {
-        follows = follows + user
-        user.followers = user.followers + this
+    fun updateBookmark(event: BookmarkListEvent) {
+        if (event.id == latestBookmarkList?.id) return
 
-        liveSet?.follows?.invalidateData()
-        user.liveSet?.follows?.invalidateData()
+        latestBookmarkList = event
+        liveSet?.bookmarks?.invalidateData()
     }
 
-    fun unfollow(user: User) {
-        follows = follows - user
-        user.followers = user.followers - this
+    fun updateContactList(event: ContactListEvent) {
+        if (event.id == latestContactList?.id) return
 
+        val oldContactListEvent = latestContactList
+        latestContactList = event
+
+        // Update following of the current user
         liveSet?.follows?.invalidateData()
-        user.liveSet?.follows?.invalidateData()
-    }
 
-    fun follow(users: Set<User>, followedAt: Long) {
-        follows = follows + users
-        users.forEach {
-            if (this !in it.followers && it.liveSet?.isInUse() == true) {
-                it.followers = it.followers + this
-                it.liveSet?.follows?.invalidateData()
-            }
+        // Update Followers of the past user list
+        // Update Followers of the new contact list
+        (oldContactListEvent)?.unverifiedFollowKeySet()?.forEach {
+            LocalCache.users[it]?.liveSet?.follows?.invalidateData()
+        }
+        (latestContactList)?.unverifiedFollowKeySet()?.forEach {
+            LocalCache.users[it]?.liveSet?.follows?.invalidateData()
         }
 
-        liveSet?.follows?.invalidateData()
-    }
-
-    fun unfollow(users: Set<User>) {
-        follows = follows - users
-        users.forEach {
-            if (this in it.followers && it.liveSet?.isInUse() == true) {
-                it.followers = it.followers - this
-                it.liveSet?.follows?.invalidateData()
-            }
-        }
-        liveSet?.follows?.invalidateData()
-    }
-
-    fun addTaggedPost(note: Note) {
-        if (note !in taggedPosts) {
-            taggedPosts = taggedPosts + note
-            // No need for Listener yet
-        }
-    }
-
-    fun removeTaggedPost(note: Note) {
-        taggedPosts = taggedPosts - note
+        liveSet?.relays?.invalidateData()
     }
 
     fun addNote(note: Note) {
@@ -164,11 +125,6 @@ class User(val pubkeyHex: String) {
             reports = reports + Pair(author, (reports[author] ?: emptySet()) + note)
             liveSet?.reports?.invalidateData()
         }
-
-        val reportTime = note.createdAt() ?: 0
-        if (reportTime > latestReportTime) {
-            latestReportTime = reportTime
-        }
     }
 
     fun removeReport(deleteNote: Note) {
@@ -209,15 +165,15 @@ class User(val pubkeyHex: String) {
         return reports[user] ?: emptySet()
     }
 
-    fun reportAuthorsBy(users: Set<User>): List<User> {
-        return reports.keys.filter { it in users }
+    fun reportAuthorsBy(users: Set<HexKey>): List<User> {
+        return reports.keys.filter { it.pubkeyHex in users }
     }
 
-    fun countReportAuthorsBy(users: Set<User>): Int {
-        return reports.keys.count { it in users }
+    fun countReportAuthorsBy(users: Set<HexKey>): Int {
+        return reports.keys.count { it.pubkeyHex in users }
     }
 
-    fun reportsBy(users: Set<User>): List<Note> {
+    fun reportsBy(users: Set<HexKey>): List<Note> {
         return reportAuthorsBy(users).mapNotNull {
             reports[it]
         }.flatten()
@@ -232,6 +188,7 @@ class User(val pubkeyHex: String) {
         }
     }
 
+    @Synchronized
     fun addMessage(user: User, msg: Note) {
         val privateChatroom = getOrCreatePrivateChatroom(user)
         if (msg !in privateChatroom.roomMessages) {
@@ -240,6 +197,15 @@ class User(val pubkeyHex: String) {
         }
     }
 
+    @Synchronized
+    fun removeMessage(user: User, msg: Note) {
+        val privateChatroom = getOrCreatePrivateChatroom(user)
+        if (msg in privateChatroom.roomMessages) {
+            privateChatroom.roomMessages = privateChatroom.roomMessages - msg
+            liveSet?.messages?.invalidateData()
+        }
+    }
+
     fun addRelayBeingUsed(relay: Relay, eventTime: Long) {
         val here = relaysBeingUsed[relay.url]
         if (here == null) {
@@ -254,22 +220,6 @@ class User(val pubkeyHex: String) {
         liveSet?.relayInfo?.invalidateData()
     }
 
-    fun updateFollows(newFollows: Set<User>, updateAt: Long) {
-        val toBeAdded = newFollows - follows
-        val toBeRemoved = follows - newFollows
-
-        follow(toBeAdded, updateAt)
-        unfollow(toBeRemoved)
-
-        updatedFollowsAt = updateAt
-    }
-
-    fun updateRelays(relayUse: Map<String, ContactListEvent.ReadWrite>) {
-        // no need to test if relays are different. The Account will check for us.
-        relays = relayUse
-        liveSet?.relays?.invalidateData()
-    }
-
     fun updateUserInfo(newUserInfo: UserMetadata, latestMetadata: MetadataEvent) {
         info = newUserInfo
         info?.latestMetadata = latestMetadata
@@ -295,7 +245,51 @@ class User(val pubkeyHex: String) {
     }
 
     fun isFollowing(user: User): Boolean {
-        return follows.contains(user)
+        return latestContactList?.unverifiedFollowKeySet()?.toSet()?.let {
+            return user.pubkeyHex in it
+        } ?: false
+    }
+
+    fun isFollowingHashtag(tag: String): Boolean {
+        return latestContactList?.unverifiedFollowTagSet()?.toSet()?.let {
+            return tag in it
+        } ?: false
+    }
+
+    fun isFollowingHashtagCached(tag: String): Boolean {
+        return latestContactList?.verifiedFollowTagSet?.let {
+            return tag.lowercase() in it
+        } ?: false
+    }
+
+    fun isFollowingCached(user: User): Boolean {
+        return latestContactList?.verifiedFollowKeySet?.let {
+            return user.pubkeyHex in it
+        } ?: false
+    }
+
+    fun transientFollowCount(): Int? {
+        return latestContactList?.unverifiedFollowKeySet()?.size
+    }
+
+    fun transientFollowerCount(): Int {
+        return LocalCache.users.values.count { it.latestContactList?.isTaggedUser(pubkeyHex) ?: false }
+    }
+
+    fun cachedFollowingKeySet(): Set<HexKey> {
+        return latestContactList?.verifiedFollowKeySet ?: emptySet()
+    }
+
+    fun cachedFollowingTagSet(): Set<HexKey> {
+        return latestContactList?.verifiedFollowTagSet ?: emptySet()
+    }
+
+    fun cachedFollowCount(): Int? {
+        return latestContactList?.verifiedFollowKeySet?.size
+    }
+
+    fun cachedFollowerCount(): Int {
+        return LocalCache.users.values.count { it.latestContactList?.isTaggedUser(pubkeyHex) ?: false }
     }
 
     fun hasSentMessagesTo(user: User?): Boolean {
@@ -340,6 +334,7 @@ class UserLiveSet(u: User) {
     val metadata: UserLiveData = UserLiveData(u)
     val zaps: UserLiveData = UserLiveData(u)
     val badges: UserLiveData = UserLiveData(u)
+    val bookmarks: UserLiveData = UserLiveData(u)
 
     fun isInUse(): Boolean {
         return follows.hasObservers() ||
@@ -349,7 +344,8 @@ class UserLiveSet(u: User) {
             relayInfo.hasObservers() ||
             metadata.hasObservers() ||
             zaps.hasObservers() ||
-            badges.hasObservers()
+            badges.hasObservers() ||
+            bookmarks.hasObservers()
     }
 }
 
@@ -391,27 +387,22 @@ class UserMetadata {
         return listOfNotNull(name, username, display_name, displayName, nip05, lud06, lud16)
             .any { it.startsWith(prefix, true) }
     }
+
+    fun lnAddress(): String? {
+        return (lud16?.trim() ?: lud06?.trim())?.ifBlank { null }
+    }
 }
 
 class UserLiveData(val user: User) : LiveData<UserState>(UserState(user)) {
-
     // Refreshes observers in batches.
-    var handlerWaiting = AtomicBoolean()
+    private val bundler = BundledUpdate(300, Dispatchers.Main) {
+        if (hasActiveObservers()) {
+            refresh()
+        }
+    }
 
     fun invalidateData() {
-        if (handlerWaiting.getAndSet(true)) return
-
-        val scope = CoroutineScope(Job() + Dispatchers.Main)
-        scope.launch {
-            try {
-                delay(100)
-                refresh()
-            } finally {
-                withContext(NonCancellable) {
-                    handlerWaiting.set(false)
-                }
-            }
-        }
+        bundler.invalidate()
     }
 
     private fun refresh() {

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

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service
 
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import com.vitorpamplona.amethyst.BuildConfig
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -25,10 +26,10 @@ class Nip05Verifier {
         return null
     }
 
-    fun fetchNip05Json(lnaddress: String, onSuccess: (String) -> Unit, onError: (String) -> Unit) {
+    fun fetchNip05Json(nip05address: String, onSuccess: (String) -> Unit, onError: (String) -> Unit) {
         val scope = CoroutineScope(Job() + Dispatchers.IO)
         scope.launch {
-            fetchNip05JsonSuspend(lnaddress, onSuccess, onError)
+            fetchNip05JsonSuspend(nip05address, onSuccess, onError)
         }
     }
 
@@ -42,7 +43,10 @@ class Nip05Verifier {
 
         withContext(Dispatchers.IO) {
             try {
-                val request: Request = Request.Builder().url(url).build()
+                val request = Request.Builder()
+                    .header("User-Agent", "Amethyst/${BuildConfig.VERSION_NAME}")
+                    .url(url)
+                    .build()
 
                 client.newCall(request).enqueue(object : Callback {
                     override fun onResponse(call: Call, response: Response) {

app/src/main/java/com/vitorpamplona/amethyst/service/Nip47.kt

@@ -0,0 +1,34 @@
+package com.vitorpamplona.amethyst.ui.note
+
+import android.net.Uri
+import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.model.decodePublicKey
+import com.vitorpamplona.amethyst.model.toHexKey
+
+data class Nip47URI(val pubKeyHex: HexKey, val relayUri: String?, val secret: HexKey?)
+
+// Rename to the corect nip number when ready.
+object Nip47 {
+    fun parse(uri: String): Nip47URI {
+        // nostrwalletconnect://b889ff5b1513b641e2a139f661a661364979c5beee91842f8f0ef42ab558e9d4?relay=wss%3A%2F%2Frelay.damus.io&metadata=%7B%22name%22%3A%22Example%22%7D
+
+        val url = Uri.parse(uri)
+
+        if (url.scheme != "nostrwalletconnect") {
+            throw IllegalArgumentException("Not a Wallet Connect QR Code")
+        }
+
+        val pubkey = url.host ?: throw IllegalArgumentException("Hostname cannot be null")
+
+        val pubkeyHex = try {
+            decodePublicKey(pubkey).toHexKey()
+        } catch (e: Exception) {
+            throw IllegalArgumentException("Hostname is not a valid Nostr Pubkey")
+        }
+
+        val relay = url.getQueryParameter("relay")
+        val secret = url.getQueryParameter("secret")
+
+        return Nip47URI(pubkeyHex, relay, secret)
+    }
+}

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

@@ -1,8 +1,10 @@
 package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.service.model.*
 import com.vitorpamplona.amethyst.service.model.BadgeAwardEvent
 import com.vitorpamplona.amethyst.service.model.BadgeProfilesEvent
+import com.vitorpamplona.amethyst.service.model.BookmarkListEvent
 import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
 import com.vitorpamplona.amethyst.service.model.ContactListEvent
 import com.vitorpamplona.amethyst.service.model.LnZapEvent
@@ -11,6 +13,7 @@ import com.vitorpamplona.amethyst.service.model.ReactionEvent
 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.EOSEAccount
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
@@ -18,6 +21,8 @@ import com.vitorpamplona.amethyst.service.relays.TypedFilter
 object NostrAccountDataSource : NostrDataSource("AccountData") {
     lateinit var account: Account
 
+    val latestEOSEs = EOSEAccount()
+
     fun createAccountContactListFilter(): TypedFilter {
         return TypedFilter(
             types = FeedType.values().toSet(),
@@ -51,12 +56,24 @@ object NostrAccountDataSource : NostrDataSource("AccountData") {
         )
     }
 
+    fun createAccountBookmarkListFilter(): TypedFilter {
+        return TypedFilter(
+            types = FeedType.values().toSet(),
+            filter = JsonFilter(
+                kinds = listOf(BookmarkListEvent.kind),
+                authors = listOf(account.userProfile().pubkeyHex),
+                limit = 1
+            )
+        )
+    }
+
     fun createAccountReportsFilter(): TypedFilter {
         return TypedFilter(
             types = FeedType.values().toSet(),
             filter = JsonFilter(
                 kinds = listOf(ReportEvent.kind),
-                authors = listOf(account.userProfile().pubkeyHex)
+                authors = listOf(account.userProfile().pubkeyHex),
+                since = latestEOSEs.users[account.userProfile()]?.relayList
             )
         )
     }
@@ -66,6 +83,7 @@ object NostrAccountDataSource : NostrDataSource("AccountData") {
         filter = JsonFilter(
             kinds = listOf(
                 TextNoteEvent.kind,
+                PollNoteEvent.kind,
                 ReactionEvent.kind,
                 RepostEvent.kind,
                 ReportEvent.kind,
@@ -74,11 +92,14 @@ object NostrAccountDataSource : NostrDataSource("AccountData") {
                 BadgeAwardEvent.kind
             ),
             tags = mapOf("p" to listOf(account.userProfile().pubkeyHex)),
-            limit = 200
+            limit = 400,
+            since = latestEOSEs.users[account.userProfile()]?.relayList
         )
     )
 
-    val accountChannel = requestNewChannel()
+    val accountChannel = requestNewChannel { time, relayUrl ->
+        latestEOSEs.addOrUpdate(account.userProfile(), relayUrl, time)
+    }
 
     override fun updateChannelFilters() {
         // gets everthing about the user logged in
@@ -87,7 +108,8 @@ object NostrAccountDataSource : NostrDataSource("AccountData") {
             createAccountContactListFilter(),
             createNotificationFilter(),
             createAccountReportsFilter(),
-            createAccountAcceptedAwardsFilter()
+            createAccountAcceptedAwardsFilter(),
+            createAccountBookmarkListFilter()
         ).ifEmpty { null }
     }
 }

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

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.service
 
+import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.Channel
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
@@ -8,13 +9,39 @@ import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
 
 object NostrChannelDataSource : NostrDataSource("ChatroomFeed") {
+    var account: Account? = null
     var channel: Channel? = null
 
-    fun loadMessagesBetween(channelId: String) {
+    fun loadMessagesBetween(account: Account, channelId: String) {
+        this.account = account
         channel = LocalCache.getOrCreateChannel(channelId)
         resetFilters()
     }
 
+    fun clear() {
+        account = null
+        channel = null
+    }
+
+    fun createMessagesByMeToChannelFilter(): TypedFilter? {
+        val myAccount = account ?: return null
+
+        if (channel != null) {
+            // Brings on messages by the user from all other relays.
+            // Since we ship with write to public, read from private only
+            // this guarantees that messages from the author do not disappear.
+            return TypedFilter(
+                types = setOf(FeedType.FOLLOWS, FeedType.PRIVATE_DMS, FeedType.GLOBAL, FeedType.SEARCH),
+                filter = JsonFilter(
+                    kinds = listOf(ChannelMessageEvent.kind),
+                    authors = listOf(myAccount.userProfile().pubkeyHex),
+                    limit = 50
+                )
+            )
+        }
+        return null
+    }
+
     fun createMessagesToChannelFilter(): TypedFilter? {
         if (channel != null) {
             return TypedFilter(
@@ -32,6 +59,9 @@ object NostrChannelDataSource : NostrDataSource("ChatroomFeed") {
     val messagesChannel = requestNewChannel()
 
     override fun updateChannelFilters() {
-        messagesChannel.typedFilters = listOfNotNull(createMessagesToChannelFilter()).ifEmpty { null }
+        messagesChannel.typedFilters = listOfNotNull(
+            createMessagesToChannelFilter(),
+            createMessagesByMeToChannelFilter()
+        ).ifEmpty { null }
     }
 }

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

@@ -5,6 +5,7 @@ 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.relays.EOSEAccount
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
@@ -12,11 +13,14 @@ import com.vitorpamplona.amethyst.service.relays.TypedFilter
 object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
     lateinit var account: Account
 
+    val latestEOSEs = EOSEAccount()
+
     fun createMessagesToMeFilter() = TypedFilter(
         types = setOf(FeedType.PRIVATE_DMS),
         filter = JsonFilter(
             kinds = listOf(PrivateDmEvent.kind),
-            tags = mapOf("p" to listOf(account.userProfile().pubkeyHex))
+            tags = mapOf("p" to listOf(account.userProfile().pubkeyHex)),
+            since = latestEOSEs.users[account.userProfile()]?.relayList
         )
     )
 
@@ -24,7 +28,8 @@ object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
         types = setOf(FeedType.PRIVATE_DMS),
         filter = JsonFilter(
             kinds = listOf(PrivateDmEvent.kind),
-            authors = listOf(account.userProfile().pubkeyHex)
+            authors = listOf(account.userProfile().pubkeyHex),
+            since = latestEOSEs.users[account.userProfile()]?.relayList
         )
     )
 
@@ -32,7 +37,8 @@ object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
         types = setOf(FeedType.PUBLIC_CHATS),
         filter = JsonFilter(
             kinds = listOf(ChannelCreateEvent.kind, ChannelMetadataEvent.kind),
-            authors = listOf(account.userProfile().pubkeyHex)
+            authors = listOf(account.userProfile().pubkeyHex),
+            since = latestEOSEs.users[account.userProfile()]?.relayList
         )
     )
 
@@ -40,7 +46,8 @@ object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
         types = FeedType.values().toSet(), // Metadata comes from any relay
         filter = JsonFilter(
             kinds = listOf(ChannelCreateEvent.kind),
-            ids = account.followingChannels.toList()
+            ids = account.followingChannels.toList(),
+            since = latestEOSEs.users[account.userProfile()]?.relayList
         )
     )
 
@@ -64,13 +71,16 @@ object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
                 filter = JsonFilter(
                     kinds = listOf(ChannelMessageEvent.kind),
                     tags = mapOf("e" to listOf(it)),
-                    limit = 100 // Remember to consider spam that is being removed from the UI
+                    since = latestEOSEs.users[account.userProfile()]?.relayList,
+                    limit = 25 // Remember to consider spam that is being removed from the UI
                 )
             )
         }
     }
 
-    val chatroomListChannel = requestNewChannel()
+    val chatroomListChannel = requestNewChannel { time, relayUrl ->
+        latestEOSEs.addOrUpdate(account.userProfile(), relayUrl, time)
+    }
 
     override fun updateChannelFilters() {
         val list = listOf(

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

@@ -2,9 +2,11 @@ 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
@@ -26,16 +28,13 @@ 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
+import com.vitorpamplona.amethyst.ui.components.BundledUpdate
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
-import kotlinx.coroutines.NonCancellable
-import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 import java.util.Date
 import java.util.UUID
-import java.util.concurrent.atomic.AtomicBoolean
 
 abstract class NostrDataSource(val debugName: String) {
     private var subscriptions = mapOf<String, Subscription>()
@@ -67,6 +66,7 @@ abstract class NostrDataSource(val debugName: String) {
                         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)
@@ -91,6 +91,7 @@ abstract class NostrDataSource(val debugName: String) {
                             LocalCache.consume(event)
                         }
                         is TextNoteEvent -> LocalCache.consume(event, relay)
+                        is PollNoteEvent -> LocalCache.consume(event, relay)
                         else -> {
                             Log.w("Event Not Supported", event.toJson())
                         }
@@ -115,7 +116,7 @@ abstract class NostrDataSource(val debugName: String) {
 
             if (type == Relay.Type.EOSE && channel != null) {
                 // updates a per subscripton since date
-                subscriptions[channel]?.updateEOSE(Date().time / 1000)
+                subscriptions[channel]?.updateEOSE(Date().time / 1000, relay.url)
             }
         }
 
@@ -140,7 +141,7 @@ abstract class NostrDataSource(val debugName: String) {
         }
     }
 
-    fun requestNewChannel(onEOSE: ((Long) -> Unit)? = null): Subscription {
+    fun requestNewChannel(onEOSE: ((Long, String) -> Unit)? = null): Subscription {
         val newSubscription = Subscription(UUID.randomUUID().toString().substring(0, 4), onEOSE)
         subscriptions = subscriptions + Pair(newSubscription.id, newSubscription)
         return newSubscription
@@ -152,24 +153,16 @@ abstract class NostrDataSource(val debugName: String) {
     }
 
     // Refreshes observers in batches.
-    var handlerWaiting = AtomicBoolean()
-
-    fun invalidateFilters() {
-        if (handlerWaiting.getAndSet(true)) return
-
+    private val bundler = BundledUpdate(250, Dispatchers.IO) {
         println("DataSource: ${this.javaClass.simpleName} InvalidateFilters")
 
-        val scope = CoroutineScope(Job() + Dispatchers.IO)
-        scope.launch {
-            try {
-                delay(200)
-                resetFiltersSuspend()
-            } finally {
-                withContext(NonCancellable) {
-                    handlerWaiting.set(false)
-                }
-            }
-        }
+        // adds the time to perform the refresh into this delay
+        // holding off new updates in case of heavy refresh routines.
+        resetFiltersSuspend()
+    }
+
+    fun invalidateFilters() {
+        bundler.invalidate()
     }
 
     fun resetFilters() {

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

@@ -2,6 +2,7 @@ package com.vitorpamplona.amethyst.service
 
 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.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
@@ -11,7 +12,7 @@ object NostrGlobalDataSource : NostrDataSource("GlobalFeed") {
     fun createGlobalFilter() = TypedFilter(
         types = setOf(FeedType.GLOBAL),
         filter = JsonFilter(
-            kinds = listOf(TextNoteEvent.kind, ChannelMessageEvent.kind, LongTextNoteEvent.kind),
+            kinds = listOf(TextNoteEvent.kind, PollNoteEvent.kind, ChannelMessageEvent.kind, LongTextNoteEvent.kind),
             limit = 200
         )
     )

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

@@ -0,0 +1,38 @@
+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.TextNoteEvent
+import com.vitorpamplona.amethyst.service.relays.FeedType
+import com.vitorpamplona.amethyst.service.relays.JsonFilter
+import com.vitorpamplona.amethyst.service.relays.TypedFilter
+
+object NostrHashtagDataSource : NostrDataSource("SingleHashtagFeed") {
+    private var hashtagToWatch: String? = null
+
+    fun createLoadHashtagFilter(): TypedFilter? {
+        val hashToLoad = hashtagToWatch ?: return null
+
+        return TypedFilter(
+            types = FeedType.values().toSet(),
+            filter = JsonFilter(
+                tags = mapOf("t" to listOf(hashToLoad, hashToLoad.lowercase(), hashToLoad.uppercase(), hashToLoad.capitalize())),
+                kinds = listOf(TextNoteEvent.kind, ChannelMessageEvent.kind, LongTextNoteEvent.kind),
+                limit = 200
+            )
+        )
+    }
+
+    val loadHashtagChannel = requestNewChannel()
+
+    override fun updateChannelFilters() {
+        loadHashtagChannel.typedFilters = listOfNotNull(createLoadHashtagFilter()).ifEmpty { null }
+    }
+
+    fun loadHashtag(tag: String?) {
+        hashtagToWatch = tag
+
+        invalidateFilters()
+    }
+}

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

@@ -3,10 +3,13 @@ package com.vitorpamplona.amethyst.service
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.UserState
 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.EOSEAccount
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
@@ -14,10 +17,13 @@ import kotlinx.coroutines.launch
 object NostrHomeDataSource : NostrDataSource("HomeFeed") {
     lateinit var account: Account
 
+    val latestEOSEs = EOSEAccount()
+
     private val cacheListener: (UserState) -> Unit = {
         invalidateFilters()
     }
 
+    @OptIn(DelicateCoroutinesApi::class)
     override fun start() {
         if (this::account.isInitialized) {
             GlobalScope.launch(Dispatchers.Main) {
@@ -27,6 +33,7 @@ object NostrHomeDataSource : NostrDataSource("HomeFeed") {
         super.start()
     }
 
+    @OptIn(DelicateCoroutinesApi::class)
     override fun stop() {
         super.stop()
         if (this::account.isInitialized) {
@@ -37,10 +44,10 @@ object NostrHomeDataSource : NostrDataSource("HomeFeed") {
     }
 
     fun createFollowAccountsFilter(): TypedFilter {
-        val follows = account.userProfile().follows
+        val follows = account.followingKeySet()
 
         val followKeys = follows.map {
-            it.pubkeyHex.substring(0, 6)
+            it.substring(0, 6)
         }
 
         val followSet = followKeys.plus(account.userProfile().pubkeyHex.substring(0, 6))
@@ -48,16 +55,39 @@ object NostrHomeDataSource : NostrDataSource("HomeFeed") {
         return TypedFilter(
             types = setOf(FeedType.FOLLOWS),
             filter = JsonFilter(
-                kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind),
+                kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind, PollNoteEvent.kind),
                 authors = followSet,
-                limit = 400
+                limit = 400,
+                since = latestEOSEs.users[account.userProfile()]?.relayList
             )
         )
     }
 
-    val followAccountChannel = requestNewChannel()
+    fun createFollowTagsFilter(): TypedFilter? {
+        val hashToLoad = account.followingTagSet()
+
+        if (hashToLoad.isEmpty()) return null
+
+        return TypedFilter(
+            types = setOf(FeedType.FOLLOWS),
+            filter = JsonFilter(
+                kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind),
+                tags = mapOf(
+                    "t" to hashToLoad.map {
+                        listOf(it, it.lowercase(), it.uppercase(), it.capitalize())
+                    }.flatten()
+                ),
+                limit = 100,
+                since = latestEOSEs.users[account.userProfile()]?.relayList
+            )
+        )
+    }
+
+    val followAccountChannel = requestNewChannel { time, relayUrl ->
+        latestEOSEs.addOrUpdate(account.userProfile(), relayUrl, time)
+    }
 
     override fun updateChannelFilters() {
-        followAccountChannel.typedFilters = listOf(createFollowAccountsFilter()).ifEmpty { null }
+        followAccountChannel.typedFilters = listOfNotNull(createFollowAccountsFilter(), createFollowTagsFilter()).ifEmpty { null }
     }
 }

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

@@ -1,12 +1,7 @@
 package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.decodePublicKey
-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.LongTextNoteEvent
-import com.vitorpamplona.amethyst.service.model.MetadataEvent
-import com.vitorpamplona.amethyst.service.model.TextNoteEvent
+import com.vitorpamplona.amethyst.service.model.*
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
@@ -18,7 +13,7 @@ object NostrSearchEventOrUserDataSource : NostrDataSource("SingleEventFeed") {
 
     private fun createAnythingWithIDFilter(): List<TypedFilter>? {
         val mySearchString = searchString
-        if (mySearchString == null) {
+        if (mySearchString.isNullOrBlank()) {
             return null
         }
 
@@ -35,25 +30,25 @@ object NostrSearchEventOrUserDataSource : NostrDataSource("SingleEventFeed") {
             null
         }
 
-        if (hexToWatch == null) {
-            return null
-        }
-
         // downloads all the reactions to a given event.
-        return listOf(
-            TypedFilter(
-                types = FeedType.values().toSet(),
-                filter = JsonFilter(
-                    ids = listOfNotNull(hexToWatch)
+        return listOfNotNull(
+            hexToWatch?.let {
+                TypedFilter(
+                    types = FeedType.values().toSet(),
+                    filter = JsonFilter(
+                        ids = listOfNotNull(hexToWatch)
+                    )
                 )
-            ),
-            TypedFilter(
-                types = FeedType.values().toSet(),
-                filter = JsonFilter(
-                    kinds = listOf(MetadataEvent.kind),
-                    authors = listOfNotNull(hexToWatch)
+            },
+            hexToWatch?.let {
+                TypedFilter(
+                    types = FeedType.values().toSet(),
+                    filter = JsonFilter(
+                        kinds = listOf(MetadataEvent.kind),
+                        authors = listOfNotNull(hexToWatch)
+                    )
                 )
-            ),
+            },
             TypedFilter(
                 types = FeedType.values().toSet(),
                 filter = JsonFilter(
@@ -65,7 +60,7 @@ object NostrSearchEventOrUserDataSource : NostrDataSource("SingleEventFeed") {
             TypedFilter(
                 types = FeedType.values().toSet(),
                 filter = JsonFilter(
-                    kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind, ChannelMetadataEvent.kind, ChannelCreateEvent.kind, ChannelMessageEvent.kind),
+                    kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind, PollNoteEvent.kind, ChannelMetadataEvent.kind, ChannelCreateEvent.kind, ChannelMessageEvent.kind),
                     search = mySearchString,
                     limit = 20
                 )

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

@@ -2,19 +2,8 @@ package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.AddressableNote
 import com.vitorpamplona.amethyst.model.Note
-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.ChannelCreateEvent
-import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
-import com.vitorpamplona.amethyst.service.model.ChannelMetadataEvent
-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.ReactionEvent
-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.model.*
+import com.vitorpamplona.amethyst.service.relays.EOSETime
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
@@ -33,10 +22,7 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
 
         val now = Date().time / 1000
 
-        return addressesToWatch.filter {
-            val lastTime = it.lastReactionsDownloadTime
-            lastTime == null || lastTime < (now - 10)
-        }.mapNotNull {
+        return addressesToWatch.mapNotNull {
             it.address()?.let { aTag ->
                 TypedFilter(
                     types = FeedType.values().toSet(),
@@ -45,7 +31,8 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
                             TextNoteEvent.kind, LongTextNoteEvent.kind,
                             ReactionEvent.kind, RepostEvent.kind, ReportEvent.kind,
                             LnZapEvent.kind, LnZapRequestEvent.kind,
-                            BadgeAwardEvent.kind, BadgeDefinitionEvent.kind, BadgeProfilesEvent.kind
+                            BadgeAwardEvent.kind, BadgeDefinitionEvent.kind, BadgeProfilesEvent.kind,
+                            PollNoteEvent.kind
                         ),
                         tags = mapOf("a" to listOf(aTag.toTag())),
                         since = it.lastReactionsDownloadTime
@@ -64,10 +51,7 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
 
         val now = Date().time / 1000
 
-        return addressesToWatch.filter {
-            val lastTime = it.lastReactionsDownloadTime
-            lastTime == null || lastTime < (now - 10)
-        }.mapNotNull {
+        return addressesToWatch.mapNotNull {
             it.address()?.let { aTag ->
                 TypedFilter(
                     types = FeedType.values().toSet(),
@@ -88,12 +72,7 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
             return null
         }
 
-        val now = Date().time / 1000
-
-        return reactionsToWatch.filter {
-            val lastTime = it.lastReactionsDownloadTime
-            lastTime == null || lastTime < (now - 10)
-        }.map {
+        return reactionsToWatch.map {
             TypedFilter(
                 types = FeedType.values().toSet(),
                 filter = JsonFilter(
@@ -104,7 +83,8 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
                         RepostEvent.kind,
                         ReportEvent.kind,
                         LnZapEvent.kind,
-                        LnZapRequestEvent.kind
+                        LnZapRequestEvent.kind,
+                        PollNoteEvent.kind
                     ),
                     tags = mapOf("e" to listOf(it.idHex)),
                     since = it.lastReactionsDownloadTime
@@ -137,7 +117,8 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
                 filter = JsonFilter(
                     kinds = listOf(
                         TextNoteEvent.kind, LongTextNoteEvent.kind, ReactionEvent.kind, RepostEvent.kind, LnZapEvent.kind, LnZapRequestEvent.kind,
-                        ChannelMessageEvent.kind, ChannelCreateEvent.kind, ChannelMetadataEvent.kind, BadgeDefinitionEvent.kind, BadgeAwardEvent.kind, BadgeProfilesEvent.kind
+                        ChannelMessageEvent.kind, ChannelCreateEvent.kind, ChannelMetadataEvent.kind, BadgeDefinitionEvent.kind, BadgeAwardEvent.kind, BadgeProfilesEvent.kind,
+                        PollNoteEvent.kind, PrivateDmEvent.kind
                     ),
                     ids = interestedEvents.toList()
                 )
@@ -145,10 +126,16 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
         )
     }
 
-    val singleEventChannel = requestNewChannel { time ->
+    val singleEventChannel = requestNewChannel { time, relayUrl ->
         eventsToWatch.forEach {
-            it.lastReactionsDownloadTime = time
+            val eose = it.lastReactionsDownloadTime[relayUrl]
+            if (eose == null) {
+                it.lastReactionsDownloadTime = it.lastReactionsDownloadTime + Pair(relayUrl, EOSETime(time))
+            } else {
+                eose.time = time
+            }
         }
+
         // Many relays operate with limits in the amount of filters.
         // As information comes, the filters will be rotated to get more data.
         invalidateFilters()
@@ -160,7 +147,7 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
         val addresses = createAddressFilter()
         val addressReactions = createTagToAddressFilter()
 
-        singleEventChannel.typedFilters = listOfNotNull(reactions, missing, addresses, addressReactions).flatten().ifEmpty { null }
+        singleEventChannel.typedFilters = listOfNotNull(missing, addresses, reactions, addressReactions).flatten().ifEmpty { null }
     }
 
     fun add(eventId: Note) {

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

@@ -3,6 +3,7 @@ package com.vitorpamplona.amethyst.service
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.model.MetadataEvent
 import com.vitorpamplona.amethyst.service.model.ReportEvent
+import com.vitorpamplona.amethyst.service.relays.EOSETime
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
@@ -34,13 +35,22 @@ object NostrSingleUserDataSource : NostrDataSource("SingleUserFeed") {
                 filter = JsonFilter(
                     kinds = listOf(ReportEvent.kind),
                     tags = mapOf("p" to listOf(it.pubkeyHex)),
-                    since = it.latestReportTime
+                    since = it.latestEOSEs
                 )
             )
         }
     }
 
-    val userChannel = requestNewChannel() {
+    val userChannel = requestNewChannel() { time, relayUrl ->
+        usersToWatch.forEach {
+            val eose = it.latestEOSEs[relayUrl]
+            if (eose == null) {
+                it.latestEOSEs = it.latestEOSEs + Pair(relayUrl, EOSETime(time))
+            } else {
+                eose.time = time
+            }
+        }
+
         // Many relays operate with limits in the amount of filters.
         // As information comes, the filters will be rotated to get more data.
         invalidateFilters()

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

@@ -25,7 +25,7 @@ object NostrThreadDataSource : NostrDataSource("SingleThreadFeed") {
         )
     }
 
-    val loadEventsChannel = requestNewChannel() {
+    val loadEventsChannel = requestNewChannel() { eoseTime, relay ->
         // Many relays operate with limits in the amount of filters.
         // As information comes, the filters will be rotated to get more data.
         invalidateFilters()

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

@@ -2,13 +2,7 @@ package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.User
-import com.vitorpamplona.amethyst.service.model.BadgeAwardEvent
-import com.vitorpamplona.amethyst.service.model.BadgeProfilesEvent
-import com.vitorpamplona.amethyst.service.model.ContactListEvent
-import com.vitorpamplona.amethyst.service.model.LnZapEvent
-import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
-import com.vitorpamplona.amethyst.service.model.MetadataEvent
-import com.vitorpamplona.amethyst.service.model.TextNoteEvent
+import com.vitorpamplona.amethyst.service.model.*
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
@@ -41,7 +35,7 @@ object NostrUserProfileDataSource : NostrDataSource("UserProfileFeed") {
         TypedFilter(
             types = FeedType.values().toSet(),
             filter = JsonFilter(
-                kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind),
+                kinds = listOf(TextNoteEvent.kind, RepostEvent.kind, LongTextNoteEvent.kind, PollNoteEvent.kind),
                 authors = listOf(it.pubkeyHex),
                 limit = 200
             )
@@ -90,6 +84,17 @@ object NostrUserProfileDataSource : NostrDataSource("UserProfileFeed") {
         )
     }
 
+    fun createBookmarksFilter() = user?.let {
+        TypedFilter(
+            types = FeedType.values().toSet(),
+            filter = JsonFilter(
+                kinds = listOf(BookmarkListEvent.kind),
+                authors = listOf(it.pubkeyHex),
+                limit = 1
+            )
+        )
+    }
+
     fun createReceivedAwardsFilter() = user?.let {
         TypedFilter(
             types = FeedType.values().toSet(),
@@ -111,7 +116,8 @@ object NostrUserProfileDataSource : NostrDataSource("UserProfileFeed") {
             createFollowersFilter(),
             createUserReceivedZapsFilter(),
             createAcceptedAwardsFilter(),
-            createReceivedAwardsFilter()
+            createReceivedAwardsFilter(),
+            createBookmarksFilter()
         ).ifEmpty { null }
     }
 }

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

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.lnurl
 
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import com.vitorpamplona.amethyst.BuildConfig
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -12,6 +13,7 @@ import okhttp3.Callback
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.Response
+import java.math.BigDecimal
 import java.net.URLEncoder
 
 class LightningAddressResolver {
@@ -51,7 +53,10 @@ class LightningAddressResolver {
         }
 
         withContext(Dispatchers.IO) {
-            val request: Request = Request.Builder().url(url).build()
+            val request: Request = Request.Builder()
+                .header("User-Agent", "Amethyst/${BuildConfig.VERSION_NAME}")
+                .url(url)
+                .build()
 
             client.newCall(request).enqueue(object : Callback {
                 override fun onResponse(call: Call, response: Response) {
@@ -91,7 +96,10 @@ class LightningAddressResolver {
                 url += "&nostr=$encodedNostrRequest"
             }
 
-            val request: Request = Request.Builder().url(url).build()
+            val request: Request = Request.Builder()
+                .header("User-Agent", "Amethyst/${BuildConfig.VERSION_NAME}")
+                .url(url)
+                .build()
 
             client.newCall(request).enqueue(object : Callback {
                 override fun onResponse(call: Call, response: Response) {
@@ -122,14 +130,16 @@ class LightningAddressResolver {
         )
     }
 
-    fun lnAddressInvoice(lnaddress: String, milliSats: Long, message: String, nostrRequest: String? = null, onSuccess: (String) -> Unit, onError: (String) -> Unit) {
+    fun lnAddressInvoice(lnaddress: String, milliSats: Long, message: String, nostrRequest: String? = null, onSuccess: (String) -> Unit, onError: (String) -> Unit, onProgress: (percent: Float) -> Unit) {
         val mapper = jacksonObjectMapper()
 
         fetchLightningAddressJson(
             lnaddress,
-            onSuccess = {
+            onSuccess = { lnAddressJson ->
+                onProgress(0.4f)
+
                 val lnurlp = try {
-                    mapper.readTree(it)
+                    mapper.readTree(lnAddressJson)
                 } catch (t: Throwable) {
                     onError("Error Parsing JSON from Lightning Address. Check the user's lightning setup")
                     null
@@ -143,13 +153,15 @@ class LightningAddressResolver {
 
                 val allowsNostr = lnurlp?.get("allowsNostr")?.asBoolean() ?: false
 
-                callback?.let { callback ->
+                callback?.let { cb ->
                     fetchLightningInvoice(
-                        callback,
+                        cb,
                         milliSats,
                         message,
                         if (allowsNostr) nostrRequest else null,
                         onSuccess = {
+                            onProgress(0.6f)
+
                             val lnInvoice = try {
                                 mapper.readTree(it)
                             } catch (t: Throwable) {
@@ -158,7 +170,14 @@ class LightningAddressResolver {
                             }
 
                             lnInvoice?.get("pr")?.asText()?.let { pr ->
-                                onSuccess(pr)
+                                // Forces LN Invoice amount to be the requested amount.
+                                val invoiceAmount = LnInvoiceUtil.getAmountInSats(pr)
+                                if (invoiceAmount.multiply(BigDecimal(1000)).toLong() == BigDecimal(milliSats).toLong()) {
+                                    onProgress(0.7f)
+                                    onSuccess(pr)
+                                } else {
+                                    onError("Incorrect invoice amount (${invoiceAmount.toLong()} sats) from server")
+                                }
                             } ?: onError("Invoice Not Created (element pr not found in the resulting JSON)")
                         },
                         onError = onError

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

@@ -0,0 +1,29 @@
+package com.vitorpamplona.amethyst.service.lnurl
+
+import java.util.regex.Pattern
+
+object LnWithdrawalUtil {
+    private val withdrawalPattern = Pattern.compile(
+        "lnurl.*",
+        Pattern.CASE_INSENSITIVE
+    )
+
+    /**
+     * Finds LN withdrawal in the provided input string and returns it.
+     * For example for input = "aaa bbb lnbc1xxx ccc" it will return "lnbc1xxx"
+     * It will only return the first withdrawal found in the input.
+     *
+     * @return the invoice if it was found. null for null input or if no invoice is found
+     */
+    fun findWithdrawal(input: String?): String? {
+        if (input == null) {
+            return null
+        }
+        val matcher = withdrawalPattern.matcher(input)
+        return if (matcher.find()) {
+            matcher.group()
+        } else {
+            null
+        }
+    }
+}

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

@@ -0,0 +1,70 @@
+package com.vitorpamplona.amethyst.service.model
+
+import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.model.tagSearch
+
+open class BaseTextNoteEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    kind: Int,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
+    fun mentions() = taggedUsers()
+    open fun replyTos() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
+
+    private var citedUsersCache: Set<HexKey>? = null
+
+    fun citedUsers(): Set<HexKey> {
+        citedUsersCache?.let { return it }
+
+        val matcher = tagSearch.matcher(content)
+        val returningList = mutableSetOf<String>()
+        while (matcher.find()) {
+            try {
+                val tag = matcher.group(1)?.let { tags[it.toInt()] }
+                if (tag != null && tag.size > 1 && tag[0] == "p") {
+                    returningList.add(tag[1])
+                }
+            } catch (e: Exception) {
+            }
+        }
+        citedUsersCache = returningList
+        return returningList
+    }
+
+    fun findCitations(): Set<String> {
+        var citations = mutableSetOf<String>()
+        // Removes citations from replies:
+        val matcher = tagSearch.matcher(content)
+        while (matcher.find()) {
+            try {
+                val tag = matcher.group(1)?.let { tags[it.toInt()] }
+                if (tag != null && tag.size > 1 && tag[0] == "e") {
+                    citations.add(tag[1])
+                }
+                if (tag != null && tag.size > 1 && tag[0] == "a") {
+                    citations.add(tag[1])
+                }
+            } catch (e: Exception) {
+            }
+        }
+        return citations
+    }
+
+    fun tagsWithoutCitations(): List<String> {
+        val repliesTo = replyTos()
+        val tagAddresses = taggedAddresses().map { it.toTag() }
+        if (repliesTo.isEmpty() && tagAddresses.isEmpty()) return emptyList()
+
+        val citations = findCitations()
+
+        return if (citations.isEmpty()) {
+            repliesTo + tagAddresses
+        } else {
+            repliesTo.filter { it !in citations }
+        }
+    }
+}

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

@@ -0,0 +1,117 @@
+package com.vitorpamplona.amethyst.service.model
+
+import android.util.Log
+import com.google.gson.reflect.TypeToken
+import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.model.toByteArray
+import com.vitorpamplona.amethyst.model.toHexKey
+import nostr.postr.Utils
+import java.util.Date
+
+class BookmarkListEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    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)
+
+    fun category() = dTag()
+    fun bookmarkedPosts() = tags.filter { it[0] == "e" }.mapNotNull { it.getOrNull(1) }
+
+    fun plainContent(privKey: ByteArray): String? {
+        return try {
+            val sharedSecret = Utils.getSharedSecret(privKey, pubKey.toByteArray())
+
+            return Utils.decrypt(content, sharedSecret)
+        } catch (e: Exception) {
+            Log.w("BookmarkList", "Error decrypting the message ${e.message}")
+            null
+        }
+    }
+
+    @Transient
+    private var privateTagsCache: List<List<String>>? = null
+
+    fun privateTags(privKey: ByteArray): List<List<String>>? {
+        if (privateTagsCache != null) {
+            return privateTagsCache
+        }
+
+        privateTagsCache = try {
+            gson.fromJson(plainContent(privKey), object : TypeToken<List<List<String>>>() {}.type)
+        } catch (e: Throwable) {
+            Log.w("BookmarkList", "Error parsing the JSON ${e.message}")
+            null
+        }
+        return privateTagsCache
+    }
+
+    fun privateTaggedUsers(privKey: ByteArray) = privateTags(privKey)?.filter { it.firstOrNull() == "p" }?.mapNotNull { it.getOrNull(1) }
+    fun privateTaggedEvents(privKey: ByteArray) = privateTags(privKey)?.filter { it.firstOrNull() == "e" }?.mapNotNull { it.getOrNull(1) }
+    fun privateTaggedAddresses(privKey: ByteArray) = privateTags(privKey)?.filter { it.firstOrNull() == "a" }?.mapNotNull {
+        val aTagValue = it.getOrNull(1)
+        val relay = it.getOrNull(2)
+
+        if (aTagValue != null) ATag.parse(aTagValue, relay) else null
+    }
+
+    companion object {
+        const val kind = 30001
+
+        fun create(
+            name: String = "",
+
+            events: List<String>? = null,
+            users: List<String>? = null,
+            addresses: List<ATag>? = null,
+
+            privEvents: List<String>? = null,
+            privUsers: List<String>? = null,
+            privAddresses: List<ATag>? = null,
+
+            privateKey: ByteArray,
+            createdAt: Long = Date().time / 1000
+        ): BookmarkListEvent {
+            val pubKey = Utils.pubkeyCreate(privateKey)
+
+            val privTags = mutableListOf<List<String>>()
+            privEvents?.forEach {
+                privTags.add(listOf("e", it))
+            }
+            privUsers?.forEach {
+                privTags.add(listOf("p", it))
+            }
+            privAddresses?.forEach {
+                privTags.add(listOf("a", it.toTag()))
+            }
+            val msg = gson.toJson(privTags)
+
+            val content = Utils.encrypt(
+                msg,
+                privateKey,
+                pubKey
+            )
+
+            val tags = mutableListOf<List<String>>()
+            tags.add(listOf("d", name))
+
+            events?.forEach {
+                tags.add(listOf("e", it))
+            }
+            users?.forEach {
+                tags.add(listOf("p", it))
+            }
+            addresses?.forEach {
+                tags.add(listOf("a", it.toTag()))
+            }
+
+            val id = generateId(pubKey.toHexKey(), createdAt, kind, tags, content)
+            val sig = Utils.sign(id, privateKey)
+            return BookmarkListEvent(id.toHexKey(), pubKey.toHexKey(), createdAt, tags, content, sig.toHexKey())
+        }
+    }
+}

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

@@ -14,7 +14,7 @@ class ChannelCreateEvent(
     content: String,
     sig: HexKey
 ) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
-    fun channelInfo() = try {
+    fun channelInfo(): ChannelData = try {
         MetadataEvent.gson.fromJson(content, ChannelData::class.java)
     } catch (e: Exception) {
         Log.e("ChannelMetadataEvent", "Can't parse channel info $content", e)

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

@@ -18,17 +18,16 @@ class ChannelHideMessageEvent(
     companion object {
         const val kind = 43
 
-        fun create(reason: String, messagesToHide: List<String>?, mentions: List<String>?, privateKey: ByteArray, createdAt: Long = Date().time / 1000): ChannelHideMessageEvent {
-            val content = reason
+        fun create(reason: String, messagesToHide: List<String>?, privateKey: ByteArray, createdAt: Long = Date().time / 1000): ChannelHideMessageEvent {
             val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
             val tags =
                 messagesToHide?.map {
                     listOf("e", it)
                 } ?: emptyList()
 
-            val id = generateId(pubKey, createdAt, kind, tags, content)
+            val id = generateId(pubKey, createdAt, kind, tags, reason)
             val sig = Utils.sign(id, privateKey)
-            return ChannelHideMessageEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
+            return ChannelHideMessageEvent(id.toHexKey(), pubKey, createdAt, tags, reason, sig.toHexKey())
         }
     }
 }

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

@@ -12,11 +12,10 @@ class ChannelMessageEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
+) : BaseTextNoteEvent(id, pubKey, createdAt, kind, tags, content, sig) {
 
     fun channel() = tags.firstOrNull { it[0] == "e" && it.size > 3 && it[3] == "root" }?.getOrNull(1) ?: tags.firstOrNull { it.firstOrNull() == "e" }?.getOrNull(1)
-    fun replyTos() = tags.filter { it.getOrNull(1) != channel() }.mapNotNull { it.getOrNull(1) }
-    fun mentions() = tags.filter { it.firstOrNull() == "p" }.mapNotNull { it.getOrNull(1) }
+    override fun replyTos() = tags.filter { it.firstOrNull() == "e" && it.getOrNull(1) != channel() }.mapNotNull { it.getOrNull(1) }
 
     companion object {
         const val kind = 42

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

@@ -3,6 +3,7 @@ package com.vitorpamplona.amethyst.service.model
 import android.util.Log
 import com.google.gson.reflect.TypeToken
 import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.model.decodePublicKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.Utils
 import java.util.Date
@@ -17,28 +18,60 @@ class ContactListEvent(
     content: String,
     sig: HexKey
 ) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
-    fun follows() = try {
-        tags.filter { it[0] == "p" }.map { Contact(it[1], it.getOrNull(2)) }
-    } catch (e: Exception) {
-        Log.e("ContactListEvent", "can't parse tags as follows: $tags", e)
-        null
+    // This function is only used by the user logged in
+    // But it is used all the time.
+    val verifiedFollowKeySet: Set<HexKey> by lazy {
+        tags.filter { it[0] == "p" }.mapNotNull {
+            it.getOrNull(1)?.let { unverifiedHex: String ->
+                try {
+                    decodePublicKey(unverifiedHex).toHexKey()
+                } catch (e: Exception) {
+                    Log.w("ContactListEvent", "Can't parse tags as a follows: ${it[1]}", e)
+                    null
+                }
+            }
+        }.toSet()
     }
 
-    fun relayUse() = try {
+    val verifiedFollowTagSet: Set<String> by lazy {
+        unverifiedFollowTagSet().map { it.lowercase() }.toSet()
+    }
+
+    val verifiedFollowKeySetAndMe: Set<HexKey> by lazy {
+        verifiedFollowKeySet + pubKey
+    }
+
+    fun unverifiedFollowKeySet() = tags.filter { it[0] == "p" }.mapNotNull { it.getOrNull(1) }
+    fun unverifiedFollowTagSet() = tags.filter { it[0] == "t" }.mapNotNull { it.getOrNull(1) }
+
+    fun follows() = tags.filter { it[0] == "p" }.mapNotNull {
+        try {
+            Contact(decodePublicKey(it[1]).toHexKey(), it.getOrNull(2))
+        } catch (e: Exception) {
+            Log.w("ContactListEvent", "Can't parse tags as a follows: ${it[1]}", e)
+            null
+        }
+    }
+
+    fun followsTags() = tags.filter { it[0] == "t" }.mapNotNull {
+        it.getOrNull(2)
+    }
+
+    fun relays(): Map<String, ReadWrite>? = try {
         if (content.isNotEmpty()) {
-            gson.fromJson(content, object : TypeToken<Map<String, ReadWrite>>() {}.type)
+            gson.fromJson(content, object : TypeToken<Map<String, ReadWrite>>() {}.type) as Map<String, ReadWrite>
         } else {
             null
         }
     } catch (e: Exception) {
-        Log.e("ContactListEvent", "can't parse content as relay lists: $tags", e)
+        Log.w("ContactListEvent", "Can't parse content as relay lists: $content", e)
         null
     }
 
     companion object {
         const val kind = 3
 
-        fun create(follows: List<Contact>, relayUse: Map<String, ReadWrite>?, privateKey: ByteArray, createdAt: Long = Date().time / 1000): ContactListEvent {
+        fun create(follows: List<Contact>, followTags: List<String>, relayUse: Map<String, ReadWrite>?, privateKey: ByteArray, createdAt: Long = Date().time / 1000): ContactListEvent {
             val content = if (relayUse != null) {
                 gson.toJson(relayUse)
             } else {
@@ -51,7 +84,10 @@ class ContactListEvent(
                 } else {
                     listOf("p", it.pubKeyHex)
                 }
+            } + followTags.map {
+                listOf("t", it)
             }
+
             val id = generateId(pubKey, createdAt, kind, tags, content)
             val sig = Utils.sign(id, privateKey)
             return ContactListEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())

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

@@ -9,6 +9,7 @@ import fr.acinq.secp256k1.Secp256k1
 import nostr.postr.Utils
 import nostr.postr.toHex
 import java.lang.reflect.Type
+import java.math.BigDecimal
 import java.security.MessageDigest
 import java.util.*
 
@@ -37,6 +38,53 @@ open class Event(
 
     override fun toJson(): String = gson.toJson(this)
 
+    fun taggedUsers() = tags.filter { it.size > 1 && it[0] == "p" }.map { it[1] }
+    fun taggedEvents() = tags.filter { it.size > 1 && it[0] == "e" }.map { it[1] }
+
+    fun taggedAddresses() = tags.filter { it.size > 1 && it[0] == "a" }.mapNotNull {
+        val aTagValue = it[1]
+        val relay = it.getOrNull(2)
+
+        ATag.parse(aTagValue, relay)
+    }
+
+    override fun hashtags() = tags.filter { it.size > 1 && it[0] == "t" }.map { it[1] }
+
+    override fun isTaggedUser(idHex: String) = tags.any { it.size > 1 && it[0] == "p" && it[1] == idHex }
+
+    override fun isTaggedHash(hashtag: String) = tags.any { it.size > 1 && it[0] == "t" && it[1].equals(hashtag, true) }
+    override fun isTaggedHashes(hashtags: Set<String>) = tags.any { it.size > 1 && it[0] == "t" && it[1].lowercase() in hashtags }
+    override fun firstIsTaggedHashes(hashtags: Set<String>) = tags.firstOrNull { it.size > 1 && it[0] == "t" && it[1].lowercase() in hashtags }?.getOrNull(1)
+
+    override fun getPoWRank(): Int {
+        var rank = 0
+        for (i in 0..id.length) {
+            if (id[i] == '0') {
+                rank += 4
+            } else if (id[i] in '4'..'7') {
+                rank += 1
+                break
+            } else if (id[i] in '2'..'3') {
+                rank += 2
+                break
+            } else if (id[i] == '1') {
+                rank += 3
+                break
+            } else {
+                break
+            }
+        }
+        return rank
+    }
+
+    override fun getReward(): BigDecimal? {
+        return try {
+            tags.filter { it.firstOrNull() == "reward" }.mapNotNull { it.getOrNull(1)?.let { BigDecimal(it) } }.firstOrNull()
+        } catch (e: Exception) {
+            null
+        }
+    }
+
     /**
      * Checks if the ID is correct and then if the pubKey's secret key signed the event.
      */
@@ -165,7 +213,7 @@ open class Event(
             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)
-
+            BookmarkListEvent.kind -> BookmarkListEvent(id, pubKey, createdAt, tags, content, sig)
             ChannelCreateEvent.kind -> ChannelCreateEvent(id, pubKey, createdAt, tags, content, sig)
             ChannelHideMessageEvent.kind -> ChannelHideMessageEvent(id, pubKey, createdAt, tags, content, sig)
             ChannelMessageEvent.kind -> ChannelMessageEvent(id, pubKey, createdAt, tags, content, sig)
@@ -175,9 +223,11 @@ open class Event(
             DeletionEvent.kind -> DeletionEvent(id, pubKey, createdAt, tags, content, sig)
 
             LnZapEvent.kind -> LnZapEvent(id, pubKey, createdAt, tags, content, sig)
+            LnZapPaymentRequestEvent.kind -> LnZapPaymentRequestEvent(id, pubKey, createdAt, tags, content, sig)
             LnZapRequestEvent.kind -> LnZapRequestEvent(id, pubKey, createdAt, tags, content, sig)
             LongTextNoteEvent.kind -> LongTextNoteEvent(id, pubKey, createdAt, tags, content, sig)
             MetadataEvent.kind -> MetadataEvent(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)
             RecommendRelayEvent.kind -> RecommendRelayEvent(id, pubKey, createdAt, tags, content, sig, lenient)
@@ -196,7 +246,15 @@ open class Event(
                 tags,
                 content
             )
+
+            // GSON decided to hardcode these replacements.
+            // They break Nostr's hash check.
+            // These lines revert their code.
+            // https://github.com/google/gson/issues/2295
             val rawEventJson = gson.toJson(rawEvent)
+                .replace("\\u2028", "\u2028")
+                .replace("\\u2029", "\u2029")
+
             return sha256.digest(rawEventJson.toByteArray())
         }
 

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

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.model
 
 import com.vitorpamplona.amethyst.model.HexKey
+import java.math.BigDecimal
 
 interface EventInterface {
     fun id(): HexKey
@@ -22,4 +23,14 @@ interface EventInterface {
     fun checkSignature()
 
     fun hasValidSignature(): Boolean
+
+    fun isTaggedUser(idHex: String): Boolean
+
+    fun isTaggedHash(hashtag: String): Boolean
+    fun isTaggedHashes(hashtags: Set<String>): Boolean
+    fun firstIsTaggedHashes(hashtags: Set<String>): String?
+    fun hashtags(): List<String>
+
+    fun getReward(): BigDecimal?
+    fun getPoWRank(): Int
 }

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

@@ -1,71 +1,72 @@
-package com.vitorpamplona.amethyst.service.model
-
-import android.util.Log
-import com.vitorpamplona.amethyst.model.HexKey
-import com.vitorpamplona.amethyst.service.lnurl.LnInvoiceUtil
-import com.vitorpamplona.amethyst.service.relays.Client
-import java.math.BigDecimal
-
-class LnZapEvent(
-    id: HexKey,
-    pubKey: HexKey,
-    createdAt: Long,
-    tags: List<List<String>>,
-    content: String,
-    sig: HexKey
-) : LnZapEventInterface, Event(id, pubKey, createdAt, kind, tags, content, sig) {
-
-    override fun zappedPost() = tags
-        .filter { it.firstOrNull() == "e" }
-        .mapNotNull { it.getOrNull(1) }
-
-    override fun zappedAuthor() = tags
-        .filter { it.firstOrNull() == "p" }
-        .mapNotNull { it.getOrNull(1) }
-
-    override fun taggedAddresses(): List<ATag> = tags
-        .filter { it.firstOrNull() == "a" }
-        .mapNotNull {
-            val aTagValue = it.getOrNull(1)
-            val relay = it.getOrNull(2)
-
-            if (aTagValue != null) ATag.parse(aTagValue, relay) else null
-        }
-
-    override fun amount(): BigDecimal? {
-        return amount
-    }
-
-    // Keeps this as a field because it's a heavier function used everywhere.
-    val amount by lazy {
-        try {
-            lnInvoice()?.let { LnInvoiceUtil.getAmountInSats(it) }
-        } catch (e: Exception) {
-            Log.e("LnZapEvent", "Failed to Parse LnInvoice ${description()}", e)
-            null
-        }
-    }
-
-    override fun containedPost(): Event? = try {
-        description()?.let {
-            fromJson(it, Client.lenient)
-        }
-    } catch (e: Exception) {
-        Log.e("LnZapEvent", "Failed to Parse Contained Post ${description()}", e)
-        null
-    }
-
-    private fun lnInvoice(): String? = tags
-        .filter { it.firstOrNull() == "bolt11" }
-        .mapNotNull { it.getOrNull(1) }
-        .firstOrNull()
-
-    private fun description(): String? = tags
-        .filter { it.firstOrNull() == "description" }
-        .mapNotNull { it.getOrNull(1) }
-        .firstOrNull()
-
-    companion object {
-        const val kind = 9735
-    }
-}
+package com.vitorpamplona.amethyst.service.model
+
+import android.util.Log
+import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.service.lnurl.LnInvoiceUtil
+import com.vitorpamplona.amethyst.service.relays.Client
+import java.math.BigDecimal
+
+class LnZapEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : LnZapEventInterface, Event(id, pubKey, createdAt, kind, tags, content, sig) {
+
+    override fun zappedPost() = tags
+        .filter { it.firstOrNull() == "e" }
+        .mapNotNull { it.getOrNull(1) }
+
+    override fun zappedPollOption(): Int? = containedPost()?.tags
+        ?.filter { it.firstOrNull() == POLL_OPTION }
+        ?.getOrNull(0)?.getOrNull(1)?.toInt()
+
+    override fun zappedAuthor() = tags
+        .filter { it.firstOrNull() == "p" }
+        .mapNotNull { it.getOrNull(1) }
+
+    override fun zappedRequestAuthor(): String? = containedPost()?.pubKey()
+
+    override fun amount(): BigDecimal? {
+        return amount
+    }
+
+    // Keeps this as a field because it's a heavier function used everywhere.
+    val amount by lazy {
+        try {
+            lnInvoice()?.let { LnInvoiceUtil.getAmountInSats(it) }
+        } catch (e: Exception) {
+            Log.e("LnZapEvent", "Failed to Parse LnInvoice ${description()}", e)
+            null
+        }
+    }
+    override fun message(): String {
+        return message
+    }
+    val message = content
+
+    override fun containedPost(): Event? = try {
+        description()?.ifBlank { null }?.let {
+            fromJson(it, Client.lenient)
+        }
+    } catch (e: Exception) {
+        Log.e("LnZapEvent", "Failed to Parse Contained Post ${description()}", e)
+        null
+    }
+
+    private fun lnInvoice(): String? = tags
+        .filter { it.firstOrNull() == "bolt11" }
+        .mapNotNull { it.getOrNull(1) }
+        .firstOrNull()
+
+    private fun description(): String? = tags
+        .filter { it.firstOrNull() == "description" }
+        .mapNotNull { it.getOrNull(1) }
+        .firstOrNull()
+
+    companion object {
+        const val kind = 9735
+    }
+}

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

@@ -6,11 +6,17 @@ interface LnZapEventInterface : EventInterface {
 
     fun zappedPost(): List<String>
 
+    fun zappedPollOption(): Int?
+
     fun zappedAuthor(): List<String>
 
+    fun zappedRequestAuthor(): String?
+
     fun taggedAddresses(): List<ATag>
 
     fun amount(): BigDecimal?
 
     fun containedPost(): Event?
+
+    fun message(): String
 }

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

@@ -0,0 +1,55 @@
+package com.vitorpamplona.amethyst.service.model
+
+import android.util.Log
+import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.model.toByteArray
+import com.vitorpamplona.amethyst.model.toHexKey
+import nostr.postr.Utils
+import java.util.Date
+
+class LnZapPaymentRequestEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
+
+    fun lnInvoice(privKey: ByteArray): String? {
+        return try {
+            val sharedSecret = Utils.getSharedSecret(privKey, pubKey.toByteArray())
+
+            return Utils.decrypt(content, sharedSecret)
+        } catch (e: Exception) {
+            Log.w("BookmarkList", "Error decrypting the message ${e.message}")
+            null
+        }
+    }
+
+    companion object {
+        const val kind = 23194
+
+        fun create(
+            lnInvoice: String,
+            walletServicePubkey: String,
+            privateKey: ByteArray,
+            createdAt: Long = Date().time / 1000
+        ): LnZapPaymentRequestEvent {
+            val pubKey = Utils.pubkeyCreate(privateKey)
+
+            val content = Utils.encrypt(
+                lnInvoice,
+                privateKey,
+                walletServicePubkey.toByteArray()
+            )
+
+            val tags = mutableListOf<List<String>>()
+            tags.add(listOf("p", walletServicePubkey))
+
+            val id = generateId(pubKey.toHexKey(), createdAt, kind, tags, content)
+            val sig = Utils.sign(id, privateKey)
+            return LnZapPaymentRequestEvent(id.toHexKey(), pubKey.toHexKey(), createdAt, tags, content, sig.toHexKey())
+        }
+    }
+}

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

@@ -1,91 +1,106 @@
-package com.vitorpamplona.amethyst.service.model
-
-import com.vitorpamplona.amethyst.model.HexKey
-import com.vitorpamplona.amethyst.model.toHexKey
-import nostr.postr.Utils
-import java.util.Date
-
-class LnZapRequestEvent(
-    id: HexKey,
-    pubKey: HexKey,
-    createdAt: Long,
-    tags: List<List<String>>,
-    content: String,
-    sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
-    fun zappedPost() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
-    fun zappedAuthor() = tags.filter { it.firstOrNull() == "p" }.mapNotNull { it.getOrNull(1) }
-    fun taggedAddresses() = tags.filter { it.firstOrNull() == "a" }.mapNotNull {
-        val aTagValue = it.getOrNull(1)
-        val relay = it.getOrNull(2)
-
-        if (aTagValue != null) ATag.parse(aTagValue, relay) else null
-    }
-
-    companion object {
-        const val kind = 9734
-
-        fun create(originalNote: EventInterface, relays: Set<String>, privateKey: ByteArray, createdAt: Long = Date().time / 1000): LnZapRequestEvent {
-            val content = ""
-            val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
-            var tags = listOf(
-                listOf("e", originalNote.id()),
-                listOf("p", originalNote.pubKey()),
-                listOf("relays") + relays
-            )
-            if (originalNote is LongTextNoteEvent) {
-                tags = tags + listOf(listOf("a", originalNote.address().toTag()))
-            }
-
-            val id = generateId(pubKey, createdAt, kind, tags, content)
-            val sig = Utils.sign(id, privateKey)
-            return LnZapRequestEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
-        }
-
-        fun create(userHex: String, relays: Set<String>, privateKey: ByteArray, createdAt: Long = Date().time / 1000): LnZapRequestEvent {
-            val content = ""
-            val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
-            val tags = listOf(
-                listOf("p", userHex),
-                listOf("relays") + relays
-            )
-            val id = generateId(pubKey, createdAt, kind, tags, content)
-            val sig = Utils.sign(id, privateKey)
-            return LnZapRequestEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
-        }
-    }
-}
-
-/*
-{
-  "pubkey": "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245",
-  "content": "",
-  "id": "d9cc14d50fcb8c27539aacf776882942c1a11ea4472f8cdec1dea82fab66279d",
-  "created_at": 1674164539,
-  "sig": "77127f636577e9029276be060332ea565deaf89ff215a494ccff16ae3f757065e2bc59b2e8c113dd407917a010b3abd36c8d7ad84c0e3ab7dab3a0b0caa9835d",
-  "kind": 9734,
-  "tags": [
-  [
-    "e",
-    "3624762a1274dd9636e0c552b53086d70bc88c165bc4dc0f9e836a1eaf86c3b8"
-  ],
-  [
-    "p",
-    "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245"
-  ],
-  [
-    "relays",
-    "wss://relay.damus.io",
-    "wss://nostr-relay.wlvs.space",
-    "wss://nostr.fmt.wiz.biz",
-    "wss://relay.nostr.bg",
-    "wss://nostr.oxtr.dev",
-    "wss://nostr.v0l.io",
-    "wss://brb.io",
-    "wss://nostr.bitcoiner.social",
-    "ws://monad.jb55.com:8080",
-    "wss://relay.snort.social"
-  ]
-  ]
-}
-*/
+package com.vitorpamplona.amethyst.service.model
+
+import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.model.toHexKey
+import nostr.postr.Utils
+import java.util.Date
+
+class LnZapRequestEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: List<List<String>>,
+    content: String,
+    sig: HexKey
+) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
+    fun zappedPost() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
+    fun zappedAuthor() = tags.filter { it.firstOrNull() == "p" }.mapNotNull { it.getOrNull(1) }
+
+    companion object {
+        const val kind = 9734
+
+        fun create(
+            originalNote: EventInterface,
+            relays: Set<String>,
+            privateKey: ByteArray,
+            pollOption: Int?,
+            message: String,
+            createdAt: Long = Date().time / 1000
+        ): LnZapRequestEvent {
+            val content = message
+            val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
+            var tags = listOf(
+                listOf("e", originalNote.id()),
+                listOf("p", originalNote.pubKey()),
+                listOf("relays") + relays
+            )
+            if (originalNote is LongTextNoteEvent) {
+                tags = tags + listOf(listOf("a", originalNote.address().toTag()))
+            }
+            if (pollOption != null && pollOption >= 0) {
+                tags = tags + listOf(listOf(POLL_OPTION, pollOption.toString()))
+            }
+
+            val id = generateId(pubKey, createdAt, kind, tags, content)
+            val sig = Utils.sign(id, privateKey)
+            return LnZapRequestEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
+        }
+
+        fun create(
+            userHex: String,
+            relays: Set<String>,
+            privateKey: ByteArray,
+            message: String,
+            createdAt: Long = Date().time / 1000
+        ): LnZapRequestEvent {
+            val content = message
+            val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
+            val tags = listOf(
+                listOf("p", userHex),
+                listOf("relays") + relays
+            )
+
+            val id = generateId(pubKey, createdAt, kind, tags, content)
+            val sig = Utils.sign(id, privateKey)
+            return LnZapRequestEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
+        }
+    }
+}
+
+/*
+{
+  "pubkey": "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245",
+  "content": "",
+  "id": "d9cc14d50fcb8c27539aacf776882942c1a11ea4472f8cdec1dea82fab66279d",
+  "created_at": 1674164539,
+  "sig": "77127f636577e9029276be060332ea565deaf89ff215a494ccff16ae3f757065e2bc59b2e8c113dd407917a010b3abd36c8d7ad84c0e3ab7dab3a0b0caa9835d",
+  "kind": 9734,
+  "tags": [
+  [
+    "e",
+    "3624762a1274dd9636e0c552b53086d70bc88c165bc4dc0f9e836a1eaf86c3b8"
+  ],
+  [
+    "p",
+    "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245"
+  ],
+  [
+    "relays",
+    "wss://relay.damus.io",
+    "wss://nostr-relay.wlvs.space",
+    "wss://nostr.fmt.wiz.biz",
+    "wss://relay.nostr.bg",
+    "wss://nostr.oxtr.dev",
+    "wss://nostr.v0l.io",
+    "wss://brb.io",
+    "wss://nostr.bitcoiner.social",
+    "ws://monad.jb55.com:8080",
+    "wss://relay.snort.social"
+  ],
+  [
+    "poll_option", "n"
+  ]
+  ],
+  "ots": <base64-encoded OTS file data> // TODO
+}
+*/

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

@@ -12,16 +12,7 @@ class LongTextNoteEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
-    fun replyTos() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
-    fun mentions() = tags.filter { it.firstOrNull() == "p" }.mapNotNull { it.getOrNull(1) }
-    fun taggedAddresses() = tags.filter { it.firstOrNull() == "a" }.mapNotNull {
-        val aTagValue = it.getOrNull(1)
-        val relay = it.getOrNull(2)
-
-        if (aTagValue != null) ATag.parse(aTagValue, relay) else null
-    }
-
+) : 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)
 

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

@@ -28,9 +28,7 @@ abstract class IdentityClaim(
 
     companion object {
         fun create(platformIdentity: String, proof: String): IdentityClaim? {
-            val platformIdentity = platformIdentity.split(':')
-            val platform = platformIdentity[0]
-            val identity = platformIdentity[1]
+            val (platform, identity) = platformIdentity.split(':')
 
             return when (platform.lowercase()) {
                 GitHubIdentity.platform -> GitHubIdentity(identity, proof)
@@ -128,7 +126,7 @@ class MastodonIdentity(
                 if (proofUrl.isBlank()) return null
                 val path = proofUrl.removePrefix("https://").split("?")[0].split("/")
 
-                return MastodonIdentity(path[0], path[1])
+                return MastodonIdentity("${path[0]}/${path[1]}", path[2])
             } catch (e: Exception) {
                 null
             }
@@ -169,16 +167,16 @@ class MetadataEvent(
         }
 
         fun create(contactMetaData: String, identities: List<IdentityClaim>, privateKey: ByteArray, createdAt: Long = Date().time / 1000): MetadataEvent {
-            val content = contactMetaData
             val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
             val tags = mutableListOf<List<String>>()
-            identities?.forEach {
+
+            identities.forEach {
                 tags.add(listOf("i", it.platformIdentity(), it.proof))
             }
 
-            val id = generateId(pubKey, createdAt, kind, tags, content)
+            val id = generateId(pubKey, createdAt, kind, tags, contactMetaData)
             val sig = Utils.sign(id, privateKey)
-            return MetadataEvent(id.toHexKey(), pubKey, createdAt, tags, content, sig.toHexKey())
+            return MetadataEvent(id.toHexKey(), pubKey, createdAt, tags, contactMetaData, sig.toHexKey())
         }
     }
 }

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

@@ -0,0 +1,110 @@
+package com.vitorpamplona.amethyst.service.model
+
+import android.util.Log
+import com.google.gson.reflect.TypeToken
+import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.model.toByteArray
+import com.vitorpamplona.amethyst.model.toHexKey
+import nostr.postr.Utils
+import java.util.Date
+
+class MuteListEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    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)
+
+    fun plainContent(privKey: ByteArray): String? {
+        return try {
+            val sharedSecret = Utils.getSharedSecret(privKey, pubKey.toByteArray())
+
+            return Utils.decrypt(content, sharedSecret)
+        } catch (e: Exception) {
+            Log.w("BookmarkList", "Error decrypting the message ${e.message}")
+            null
+        }
+    }
+
+    @Transient
+    private var privateTagsCache: List<List<String>>? = null
+
+    fun privateTags(privKey: ByteArray): List<List<String>>? {
+        if (privateTagsCache != null) {
+            return privateTagsCache
+        }
+
+        privateTagsCache = try {
+            gson.fromJson(plainContent(privKey), object : TypeToken<List<List<String>>>() {}.type)
+        } catch (e: Throwable) {
+            Log.w("BookmarkList", "Error parsing the JSON ${e.message}")
+            null
+        }
+        return privateTagsCache
+    }
+
+    fun privateTaggedUsers(privKey: ByteArray) = privateTags(privKey)?.filter { it.firstOrNull() == "p" }?.mapNotNull { it.getOrNull(1) }
+    fun privateTaggedEvents(privKey: ByteArray) = privateTags(privKey)?.filter { it.firstOrNull() == "e" }?.mapNotNull { it.getOrNull(1) }
+    fun privateTaggedAddresses(privKey: ByteArray) = privateTags(privKey)?.filter { it.firstOrNull() == "a" }?.mapNotNull {
+        val aTagValue = it.getOrNull(1)
+        val relay = it.getOrNull(2)
+
+        if (aTagValue != null) ATag.parse(aTagValue, relay) else null
+    }
+
+    companion object {
+        const val kind = 10000
+
+        fun create(
+            events: List<String>? = null,
+            users: List<String>? = null,
+            addresses: List<ATag>? = null,
+
+            privEvents: List<String>? = null,
+            privUsers: List<String>? = null,
+            privAddresses: List<ATag>? = null,
+
+            privateKey: ByteArray,
+            createdAt: Long = Date().time / 1000
+        ): MuteListEvent {
+            val pubKey = Utils.pubkeyCreate(privateKey)
+
+            val privTags = mutableListOf<List<String>>()
+            privEvents?.forEach {
+                privTags.add(listOf("e", it))
+            }
+            privUsers?.forEach {
+                privTags.add(listOf("p", it))
+            }
+            privAddresses?.forEach {
+                privTags.add(listOf("a", it.toTag()))
+            }
+            val msg = gson.toJson(privTags)
+
+            val content = Utils.encrypt(
+                msg,
+                privateKey,
+                pubKey
+            )
+
+            val tags = mutableListOf<List<String>>()
+            events?.forEach {
+                tags.add(listOf("e", it))
+            }
+            users?.forEach {
+                tags.add(listOf("p", it))
+            }
+            addresses?.forEach {
+                tags.add(listOf("a", it.toTag()))
+            }
+
+            val id = generateId(pubKey.toHexKey(), createdAt, kind, tags, content)
+            val sig = Utils.sign(id, privateKey)
+            return MuteListEvent(id.toHexKey(), pubKey.toHexKey(), createdAt, tags, content, sig.toHexKey())
+        }
+    }
+}

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

@@ -0,0 +1,106 @@
+package com.vitorpamplona.amethyst.service.model
+
+import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.model.toHexKey
+import nostr.postr.Utils
+import java.util.Date
+
+const val POLL_OPTION = "poll_option"
+const val VALUE_MAXIMUM = "value_maximum"
+const val VALUE_MINIMUM = "value_minimum"
+const val CONSENSUS_THRESHOLD = "consensus_threshold"
+const val CLOSED_AT = "closed_at"
+
+class PollNoteEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: List<List<String>>,
+    // ots: String?, TODO implement OTS: https://github.com/opentimestamps/java-opentimestamps
+    content: String,
+    sig: HexKey
+) : BaseTextNoteEvent(id, pubKey, createdAt, kind, tags, content, sig) {
+    fun pollOptions(): Map<Int, String> {
+        val map = mutableMapOf<Int, String>()
+        tags.filter { it.first() == POLL_OPTION }
+            .forEach { map[it[1].toInt()] = it[2] }
+        return map
+    }
+
+    fun getTagInt(property: String): Int? {
+        val tagList = tags.filter {
+            it.firstOrNull() == property
+        }
+        val tag = tagList.getOrNull(0)
+        val s = tag?.getOrNull(1)
+
+        return if (s.isNullOrBlank() || s == "null") {
+            null
+        } else {
+            s.toInt()
+        }
+    }
+
+    companion object {
+        const val kind = 6969
+
+        fun create(
+            msg: String,
+            replyTos: List<String>?,
+            mentions: List<String>?,
+            addresses: List<ATag>?,
+            privateKey: ByteArray,
+            createdAt: Long = Date().time / 1000,
+            pollOptions: Map<Int, String>,
+            valueMaximum: Int?,
+            valueMinimum: Int?,
+            consensusThreshold: Int?,
+            closedAt: Int?
+        ): PollNoteEvent {
+            val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
+            val tags = mutableListOf<List<String>>()
+            replyTos?.forEach {
+                tags.add(listOf("e", it))
+            }
+            mentions?.forEach {
+                tags.add(listOf("p", it))
+            }
+            addresses?.forEach {
+                tags.add(listOf("a", it.toTag()))
+            }
+            pollOptions.forEach { poll_op ->
+                tags.add(listOf(POLL_OPTION, poll_op.key.toString(), poll_op.value))
+            }
+            tags.add(listOf(VALUE_MAXIMUM, valueMaximum.toString()))
+            tags.add(listOf(VALUE_MINIMUM, valueMinimum.toString()))
+            tags.add(listOf(CONSENSUS_THRESHOLD, consensusThreshold.toString()))
+            tags.add(listOf(CLOSED_AT, closedAt.toString()))
+            val id = generateId(pubKey, createdAt, kind, tags, msg)
+            val sig = Utils.sign(id, privateKey)
+            return PollNoteEvent(id.toHexKey(), pubKey, createdAt, tags, msg, sig.toHexKey())
+        }
+    }
+}
+
+/*
+{
+  "id": <32-bytes lowercase hex-encoded sha256 of the serialized event data>
+  "pubkey": <32-bytes lowercase hex-encoded public key of the event creator>,
+  "created_at": <unix timestamp in seconds>,
+  "kind": 6969,
+  "tags": [
+    ["e", <32-bytes hex of the id of the poll event>, <primary poll host relay URL>],
+    ["p", <32-bytes hex of the key>, <primary poll host relay URL>],
+    ["poll_option", "0", "poll option 0 description string"],
+    ["poll_option", "1", "poll option 1 description string"],
+    ["poll_option", "n", "poll option <n> description string"],
+    ["value_maximum", "maximum satoshi value for inclusion in tally"],
+    ["value_minimum", "minimum satoshi value for inclusion in tally"],
+    ["consensus_threshold", "required percentage to attain consensus <0..100>"],
+    ["closed_at", "unix timestamp in seconds"],
+  ],
+  "ots": <base64-encoded OTS file data>
+  "content": <primary poll description string>,
+  "sig": <64-bytes hex of the signature of the sha256 hash of the serialized event data, which is the same as the "id" field>
+}
+ */

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

@@ -16,12 +16,6 @@ class ReactionEvent(
 
     fun originalPost() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
     fun originalAuthor() = tags.filter { it.firstOrNull() == "p" }.mapNotNull { it.getOrNull(1) }
-    fun taggedAddresses() = tags.filter { it.firstOrNull() == "a" }.mapNotNull {
-        val aTagValue = it.getOrNull(1)
-        val relay = it.getOrNull(2)
-
-        if (aTagValue != null) ATag.parse(aTagValue, relay) else null
-    }
 
     companion object {
         const val kind = 7

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

@@ -19,9 +19,9 @@ class ReportEvent(
 
     private fun defaultReportType(): ReportType {
         // Works with old and new structures for report.
-        var reportType = tags.filter { it.firstOrNull() == "report" }.mapNotNull { it.getOrNull(1) }.map { ReportType.valueOf(it.toUpperCase()) }.firstOrNull()
+        var reportType = tags.filter { it.firstOrNull() == "report" }.mapNotNull { it.getOrNull(1) }.map { ReportType.valueOf(it.uppercase()) }.firstOrNull()
         if (reportType == null) {
-            reportType = tags.mapNotNull { it.getOrNull(2) }.map { ReportType.valueOf(it.toUpperCase()) }.firstOrNull()
+            reportType = tags.mapNotNull { it.getOrNull(2) }.map { ReportType.valueOf(it.uppercase()) }.firstOrNull()
         }
         if (reportType == null) {
             reportType = ReportType.SPAM
@@ -34,7 +34,7 @@ class ReportEvent(
         .map {
             ReportedKey(
                 it[1],
-                it.getOrNull(2)?.toUpperCase()?.let { it1 -> ReportType.valueOf(it1) } ?: defaultReportType()
+                it.getOrNull(2)?.uppercase()?.let { it1 -> ReportType.valueOf(it1) } ?: defaultReportType()
             )
         }
 
@@ -43,23 +43,20 @@ class ReportEvent(
         .map {
             ReportedKey(
                 it[1],
-                it.getOrNull(2)?.toUpperCase()?.let { it1 -> ReportType.valueOf(it1) } ?: defaultReportType()
+                it.getOrNull(2)?.uppercase()?.let { it1 -> ReportType.valueOf(it1) } ?: defaultReportType()
             )
         }
 
-    fun taggedAddresses() = tags.filter { it.firstOrNull() == "a" }.mapNotNull {
-        val aTagValue = it.getOrNull(1)
-        val relay = it.getOrNull(2)
-
-        if (aTagValue != null) ATag.parse(aTagValue, relay) else null
-    }
-
     companion object {
         const val kind = 1984
 
-        fun create(reportedPost: EventInterface, type: ReportType, privateKey: ByteArray, createdAt: Long = Date().time / 1000): ReportEvent {
-            val content = ""
-
+        fun create(
+            reportedPost: EventInterface,
+            type: ReportType,
+            privateKey: ByteArray,
+            content: String = "",
+            createdAt: Long = Date().time / 1000
+        ): ReportEvent {
             val reportPostTag = listOf("e", reportedPost.id(), type.name.lowercase())
             val reportAuthorTag = listOf("p", reportedPost.pubKey(), type.name.lowercase())
 

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

@@ -17,12 +17,6 @@ class RepostEvent(
 
     fun boostedPost() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
     fun originalAuthor() = tags.filter { it.firstOrNull() == "p" }.mapNotNull { it.getOrNull(1) }
-    fun taggedAddresses() = tags.filter { it.firstOrNull() == "a" }.mapNotNull {
-        val aTagValue = it.getOrNull(1)
-        val relay = it.getOrNull(2)
-
-        if (aTagValue != null) ATag.parse(aTagValue, relay) else null
-    }
 
     fun containedPost() = try {
         fromJson(content, Client.lenient)

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

@@ -1,7 +1,10 @@
 package com.vitorpamplona.amethyst.service.model
 
+import com.linkedin.urls.detection.UrlDetector
+import com.linkedin.urls.detection.UrlDetectorOptions
 import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.toHexKey
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.findHashtags
 import nostr.postr.Utils
 import java.util.Date
 
@@ -12,21 +15,20 @@ class TextNoteEvent(
     tags: List<List<String>>,
     content: String,
     sig: HexKey
-) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
-    fun mentions() = tags.filter { it.firstOrNull() == "p" }.mapNotNull { it.getOrNull(1) }
-    fun taggedAddresses() = tags.filter { it.firstOrNull() == "a" }.mapNotNull {
-        val aTagValue = it.getOrNull(1)
-        val relay = it.getOrNull(2)
-
-        if (aTagValue != null) ATag.parse(aTagValue, relay) else null
-    }
-
-    fun replyTos() = tags.filter { it.firstOrNull() == "e" }.mapNotNull { it.getOrNull(1) }
+) : BaseTextNoteEvent(id, pubKey, createdAt, kind, tags, content, sig) {
 
     companion object {
         const val kind = 1
 
-        fun create(msg: String, replyTos: List<String>?, mentions: List<String>?, addresses: List<ATag>?, privateKey: ByteArray, createdAt: Long = Date().time / 1000): TextNoteEvent {
+        fun create(
+            msg: String,
+            replyTos: List<String>?,
+            mentions: List<String>?,
+            addresses: List<ATag>?,
+            extraTags: List<String>?,
+            privateKey: ByteArray,
+            createdAt: Long = Date().time / 1000
+        ): TextNoteEvent {
             val pubKey = Utils.pubkeyCreate(privateKey).toHexKey()
             val tags = mutableListOf<List<String>>()
             replyTos?.forEach {
@@ -38,9 +40,22 @@ class TextNoteEvent(
             addresses?.forEach {
                 tags.add(listOf("a", it.toTag()))
             }
+            findHashtags(msg).forEach {
+                tags.add(listOf("t", it))
+            }
+            extraTags?.forEach {
+                tags.add(listOf("t", it))
+            }
+            findURLs(msg).forEach {
+                tags.add(listOf("r", it))
+            }
             val id = generateId(pubKey, createdAt, kind, tags, msg)
             val sig = Utils.sign(id, privateKey)
             return TextNoteEvent(id.toHexKey(), pubKey, createdAt, tags, msg, sig.toHexKey())
         }
     }
 }
+
+fun findURLs(text: String): List<String> {
+    return UrlDetector(text, UrlDetectorOptions.Default).detect().map { it.originalUrl }
+}

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

@@ -1,35 +1,46 @@
 package com.vitorpamplona.amethyst.service.nip19
 
+import android.util.Log
 import com.vitorpamplona.amethyst.model.toHexKey
 import nostr.postr.bechToBytes
+import java.util.regex.Pattern
 
 object Nip19 {
     enum class Type {
-        USER, NOTE, RELAY, ADDRESS
+        USER, NOTE, EVENT, RELAY, ADDRESS
     }
 
-    data class Return(val type: Type, val hex: String, val relay: String? = null)
+    val nip19regex = Pattern.compile("(nostr:)?@?(nsec1|npub1|nevent1|naddr1|note1|nprofile1|nrelay1)([qpzry9x8gf2tvdw0s3jn54khce6mua7l]+)(.*)", Pattern.CASE_INSENSITIVE)
+
+    data class Return(val type: Type, val hex: String, val relay: String? = null, val additionalChars: String = "")
 
     fun uriToRoute(uri: String?): Return? {
-        try {
-            val key = uri?.removePrefix("nostr:") ?: return null
+        if (uri == null) return null
 
-            val bytes = key.bechToBytes()
-            if (key.startsWith("npub")) {
-                return npub(bytes)
-            } else if (key.startsWith("note")) {
-                return note(bytes)
-            } else if (key.startsWith("nprofile")) {
-                return nprofile(bytes)
-            } else if (key.startsWith("nevent")) {
-                return nevent(bytes)
-            } else if (key.startsWith("nrelay")) {
-                return nrelay(bytes)
-            } else if (key.startsWith("naddr")) {
-                return naddr(bytes)
+        try {
+            val matcher = nip19regex.matcher(uri)
+            if (!matcher.find()) {
+                return null
             }
+
+            val uriScheme = matcher.group(1) // nostr:
+            val type = matcher.group(2) // npub1
+            val key = matcher.group(3) // bech32
+            val additionalChars = matcher.group(4) ?: "" // additional chars
+
+            val bytes = (type + key).bechToBytes()
+            val parsed = when (type.lowercase()) {
+                "npub1" -> npub(bytes)
+                "note1" -> note(bytes)
+                "nprofile1" -> nprofile(bytes)
+                "nevent1" -> nevent(bytes)
+                "nrelay1" -> nrelay(bytes)
+                "naddr1" -> naddr(bytes)
+                else -> null
+            }
+            return parsed?.copy(additionalChars = additionalChars)
         } catch (e: Throwable) {
-            println("Issue trying to Decode NIP19 $uri: ${e.message}")
+            Log.e("NIP19 Parser", "Issue trying to Decode NIP19 $uri: ${e.message}", e)
         }
 
         return null
@@ -68,7 +79,7 @@ object Nip19 {
             ?.get(0)
             ?.toString(Charsets.UTF_8)
 
-        return Return(Type.USER, hex, relay)
+        return Return(Type.EVENT, hex, relay)
     }
 
     private fun nrelay(bytes: ByteArray): Return? {

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

@@ -2,6 +2,7 @@ package com.vitorpamplona.amethyst.service.relays
 
 import com.vitorpamplona.amethyst.service.model.Event
 import com.vitorpamplona.amethyst.service.model.EventInterface
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
@@ -63,8 +64,24 @@ object Client : RelayPool.Listener {
         RelayPool.sendFilterOnlyIfDisconnected()
     }
 
-    fun send(signedEvent: EventInterface) {
-        RelayPool.send(signedEvent)
+    fun send(signedEvent: EventInterface, relay: String? = null) {
+        if (relay == null) {
+            RelayPool.send(signedEvent)
+        } else {
+            val useConnectedRelay = relays.filter { it.url == relay }
+
+            if (useConnectedRelay.isNotEmpty()) {
+                useConnectedRelay.forEach {
+                    it.send(signedEvent)
+                }
+            } else {
+                /** temporary connection */
+                Relay(relay, false, true, emptySet()).requestAndWatch() {
+                    it.send(signedEvent)
+                    it.disconnect()
+                }
+            }
+        }
     }
 
     fun close(subscriptionId: String) {
@@ -78,6 +95,7 @@ object Client : RelayPool.Listener {
         RelayPool.unloadRelays()
     }
 
+    @OptIn(DelicateCoroutinesApi::class)
     override fun onEvent(event: Event, subscriptionId: String, relay: Relay) {
         // Releases the Web thread for the new payload.
         // May need to add a processing queue if processing new events become too costly.
@@ -86,6 +104,7 @@ object Client : RelayPool.Listener {
         }
     }
 
+    @OptIn(DelicateCoroutinesApi::class)
     override fun onError(error: Error, subscriptionId: String, relay: Relay) {
         // Releases the Web thread for the new payload.
         // May need to add a processing queue if processing new events become too costly.
@@ -94,6 +113,7 @@ object Client : RelayPool.Listener {
         }
     }
 
+    @OptIn(DelicateCoroutinesApi::class)
     override fun onRelayStateChange(type: Relay.Type, relay: Relay, channel: String?) {
         // Releases the Web thread for the new payload.
         // May need to add a processing queue if processing new events become too costly.
@@ -102,6 +122,7 @@ object Client : RelayPool.Listener {
         }
     }
 
+    @OptIn(DelicateCoroutinesApi::class)
     override fun onSendResponse(eventId: String, success: Boolean, message: String, relay: Relay) {
         // Releases the Web thread for the new payload.
         // May need to add a processing queue if processing new events become too costly.

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

@@ -4,6 +4,7 @@ import com.vitorpamplona.amethyst.model.RelaySetupInfo
 
 object Constants {
     val activeTypes = setOf(FeedType.FOLLOWS, FeedType.PRIVATE_DMS)
+    val activeTypesChats = setOf(FeedType.FOLLOWS, FeedType.PUBLIC_CHATS, FeedType.PRIVATE_DMS)
     val activeTypesGlobalChats = setOf(FeedType.FOLLOWS, FeedType.PUBLIC_CHATS, FeedType.PRIVATE_DMS, FeedType.GLOBAL)
     val activeTypesSearch = setOf(FeedType.SEARCH)
 
@@ -14,16 +15,18 @@ object Constants {
     }
 
     val defaultRelays = arrayOf(
-        // Free relays
-        RelaySetupInfo("wss://nostr.bitcoiner.social", read = true, write = true, feedTypes = activeTypes),
-        RelaySetupInfo("wss://relay.nostr.bg", read = true, write = true, feedTypes = activeTypes),
+        // Free relays for DMs and Follows
+        RelaySetupInfo("wss://no.str.cr", read = true, write = true, feedTypes = activeTypes),
         RelaySetupInfo("wss://relay.snort.social", read = true, write = true, feedTypes = activeTypes),
         RelaySetupInfo("wss://relay.damus.io", read = true, write = true, feedTypes = activeTypes),
-        RelaySetupInfo("wss://nostr.oxtr.dev", read = true, write = true, feedTypes = activeTypes),
-        RelaySetupInfo("wss://nostr-pub.wellorder.net", read = true, write = true, feedTypes = activeTypes),
-        RelaySetupInfo("wss://nostr.mom", read = true, write = true, feedTypes = activeTypes),
-        RelaySetupInfo("wss://no.str.cr", read = true, write = true, feedTypes = activeTypes),
-        RelaySetupInfo("wss://nos.lol", read = true, write = true, feedTypes = activeTypes),
+
+        // Chats
+        RelaySetupInfo("wss://nostr.bitcoiner.social", read = true, write = true, feedTypes = activeTypesChats),
+        RelaySetupInfo("wss://relay.nostr.bg", read = true, write = true, feedTypes = activeTypesChats),
+        RelaySetupInfo("wss://nostr.oxtr.dev", read = true, write = true, feedTypes = activeTypesChats),
+        RelaySetupInfo("wss://nostr-pub.wellorder.net", read = true, write = true, feedTypes = activeTypesChats),
+        RelaySetupInfo("wss://nostr.mom", read = true, write = true, feedTypes = activeTypesChats),
+        RelaySetupInfo("wss://nos.lol", read = true, write = true, feedTypes = activeTypesChats),
 
         // Less Reliable
         // NewRelayListViewModel.Relay("wss://nostr.orangepill.dev", read = true, write = true, feedTypes = activeTypes),

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

@@ -0,0 +1,31 @@
+package com.vitorpamplona.amethyst.service.relays
+
+import com.vitorpamplona.amethyst.model.User
+
+class EOSETime(var time: Long) {
+    override fun toString(): String {
+        return time.toString()
+    }
+}
+
+class EOSERelayList(var relayList: Map<String, EOSETime> = emptyMap()) {
+    fun addOrUpdate(relayUrl: String, time: Long) {
+        val eose = relayList[relayUrl]
+        if (eose == null) {
+            relayList = relayList + Pair(relayUrl, EOSETime(time))
+        } else {
+            eose.time = time
+        }
+    }
+}
+
+class EOSEAccount(var users: Map<User, EOSERelayList> = emptyMap()) {
+    fun addOrUpdate(user: User, relayUrl: String, time: Long) {
+        val relayList = users[user]
+        if (relayList == null) {
+            users = users + mapOf(user to EOSERelayList(mapOf(relayUrl to EOSETime(time))))
+        } else {
+            relayList.addOrUpdate(relayUrl, time)
+        }
+    }
+}

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

@@ -4,26 +4,18 @@ import com.google.gson.Gson
 import com.google.gson.GsonBuilder
 import com.google.gson.JsonArray
 import com.google.gson.JsonObject
-import com.vitorpamplona.amethyst.service.model.Event
-import java.io.Serializable
-import java.util.*
-
-interface Filter {
-    fun match(event: Event): Boolean
-    fun toShortString(): String
-}
 
 class JsonFilter(
     val ids: List<String>? = null,
     val authors: List<String>? = null,
     val kinds: List<Int>? = null,
     val tags: Map<String, List<String>>? = null,
-    val since: Long? = null,
+    val since: Map<String, EOSETime>? = null,
     val until: Long? = null,
     val limit: Int? = null,
     val search: String? = null
-) : Filter, Serializable {
-    fun toJson(): String {
+) {
+    fun toJson(forRelay: String? = null): String {
         val jsonObject = JsonObject()
         ids?.run {
             jsonObject.add("ids", JsonArray().apply { ids.forEach { add(it) } })
@@ -40,7 +32,20 @@ class JsonFilter(
             }
         }
         since?.run {
-            jsonObject.addProperty("since", since)
+            if (!isEmpty()) {
+                if (forRelay != null) {
+                    val relaySince = get(forRelay)
+                    if (relaySince != null) {
+                        jsonObject.addProperty("since", relaySince.time)
+                    }
+                } else {
+                    val jsonObjectSince = JsonObject()
+                    entries.forEach { sincePairs ->
+                        jsonObjectSince.addProperty(sincePairs.key, "${sincePairs.value}")
+                    }
+                    jsonObject.add("since", jsonObjectSince)
+                }
+            }
         }
         until?.run {
             jsonObject.addProperty("until", until)
@@ -54,90 +59,7 @@ class JsonFilter(
         return gson.toJson(jsonObject)
     }
 
-    override fun match(event: Event): Boolean {
-        if (ids?.any { event.id == it } == false) return false
-        if (kinds?.any { event.kind == it } == false) return false
-        if (authors?.any { event.pubKey == it } == false) return false
-        tags?.forEach { tag ->
-            if (!event.tags.any { it.first() == tag.key && it[1] in tag.value }) return false
-        }
-        if (event.createdAt !in (since ?: Long.MIN_VALUE)..(until ?: Long.MAX_VALUE)) {
-            return false
-        }
-        return true
-    }
-
-    override fun toString(): String = "JsonFilter${toJson()}"
-
-    override fun toShortString(): String {
-        val list = ArrayList<String>()
-        ids?.run {
-            list.add("ids")
-        }
-        authors?.run {
-            list.add("authors")
-        }
-        kinds?.run {
-            list.add("kinds[${kinds.joinToString()}]")
-        }
-        tags?.run {
-            list.add("tags")
-        }
-        since?.run {
-            list.add("since")
-        }
-        until?.run {
-            list.add("until")
-        }
-        limit?.run {
-            list.add("limit")
-        }
-        search?.run {
-            list.add("search")
-        }
-        return list.joinToString()
-    }
-
     companion object {
         val gson: Gson = GsonBuilder().create()
-
-        fun fromJson(json: String): JsonFilter {
-            val jsonFilter = gson.fromJson(json, JsonObject::class.java)
-            return fromJson(jsonFilter)
-        }
-
-        val declaredFields = JsonFilter::class.java.declaredFields.map { it.name }
-        fun fromJson(json: JsonObject): JsonFilter {
-            // sanity check
-            if (json.keySet().any { !(it.startsWith("#") || it in declaredFields) }) {
-                println("Filter $json contains unknown parameters.")
-            }
-            return JsonFilter(
-                ids = if (json.has("ids")) json.getAsJsonArray("ids").map { it.asString } else null,
-                authors = if (json.has("authors")) {
-                    json.getAsJsonArray("authors")
-                        .map { it.asString }
-                } else {
-                    null
-                },
-                kinds = if (json.has("kinds")) {
-                    json.getAsJsonArray("kinds")
-                        .map { it.asInt }
-                } else {
-                    null
-                },
-                tags = json
-                    .entrySet()
-                    .filter { it.key.startsWith("#") }
-                    .associate {
-                        it.key.substring(1) to it.value.asJsonArray.map { it.asString }
-                    }
-                    .ifEmpty { null },
-                since = if (json.has("since")) json.get("since").asLong else null,
-                until = if (json.has("until")) json.get("until").asLong else null,
-                limit = if (json.has("limit")) json.get("limit").asInt else null,
-                search = if (json.has("search")) json.get("search").asString else null
-            )
-        }
     }
 }

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

@@ -2,6 +2,7 @@ package com.vitorpamplona.amethyst.service.relays
 
 import android.util.Log
 import com.google.gson.JsonElement
+import com.vitorpamplona.amethyst.BuildConfig
 import com.vitorpamplona.amethyst.service.model.Event
 import com.vitorpamplona.amethyst.service.model.EventInterface
 import okhttp3.OkHttpClient
@@ -30,14 +31,17 @@ class Relay(
     private var socket: WebSocket? = null
     private var isReady: Boolean = false
 
-    var eventDownloadCounter = 0
+    var eventDownloadCounterInBytes = 0
+    var eventUploadCounterInBytes = 0
+
     var spamCounter = 0
-    var eventUploadCounter = 0
     var errorCounter = 0
     var ping: Long? = null
 
     var closingTime = 0L
 
+    var afterEOSE = false
+
     fun register(listener: Listener) {
         listeners = listeners.plus(listener)
     }
@@ -52,43 +56,60 @@ class Relay(
 
     @Synchronized
     fun requestAndWatch() {
+        requestAndWatch {
+            // Sends everything.
+            Client.allSubscriptions().forEach {
+                sendFilter(requestId = it)
+            }
+        }
+    }
+
+    @Synchronized
+    fun requestAndWatch(onConnected: (Relay) -> Unit) {
         if (socket != null) return
 
         try {
-            val request = Request.Builder().url(url.trim()).build()
+            val request = Request.Builder()
+                .header("User-Agent", "Amethyst/${BuildConfig.VERSION_NAME}")
+                .url(url.trim())
+                .build()
             val listener = object : WebSocketListener() {
 
                 override fun onOpen(webSocket: WebSocket, response: Response) {
+                    afterEOSE = false
                     isReady = true
                     ping = response.receivedResponseAtMillis - response.sentRequestAtMillis
-
                     // Log.w("Relay", "Relay OnOpen, Loading All subscriptions $url")
-                    // Sends everything.
-                    Client.allSubscriptions().forEach {
-                        sendFilter(requestId = it)
-                    }
+                    onConnected(this@Relay)
+
                     listeners.forEach { it.onRelayStateChange(this@Relay, Type.CONNECT, null) }
                 }
 
                 override fun onMessage(webSocket: WebSocket, text: String) {
+                    eventDownloadCounterInBytes += text.bytesUsedInMemory()
+
                     try {
                         val msg = Event.gson.fromJson(text, JsonElement::class.java).asJsonArray
                         val type = msg[0].asString
                         val channel = msg[1].asString
+
                         when (type) {
                             "EVENT" -> {
                                 // Log.w("Relay", "Relay onEVENT $url, $channel")
-                                eventDownloadCounter++
-                                val event = Event.fromJson(msg[2], Client.lenient)
-                                listeners.forEach { it.onEvent(this@Relay, channel, event) }
+                                listeners.forEach {
+                                    it.onEvent(this@Relay, channel, Event.fromJson(msg[2], Client.lenient))
+                                    if (afterEOSE) {
+                                        it.onRelayStateChange(this@Relay, Type.EOSE, channel)
+                                    }
+                                }
                             }
                             "EOSE" -> listeners.forEach {
+                                afterEOSE = true
                                 // Log.w("Relay", "Relay onEOSE $url, $channel")
                                 it.onRelayStateChange(this@Relay, Type.EOSE, channel)
                             }
                             "NOTICE" -> listeners.forEach {
                                 // Log.w("Relay", "Relay onNotice $url, $channel")
-                                // "channel" being the second string in the string array ...
                                 it.onError(this@Relay, channel, Error("Relay sent notice: " + channel))
                             }
                             "OK" -> listeners.forEach {
@@ -125,6 +146,7 @@ class Relay(
                 override fun onClosed(webSocket: WebSocket, code: Int, reason: String) {
                     socket = null
                     isReady = false
+                    afterEOSE = false
                     closingTime = Date().time / 1000
                     listeners.forEach { it.onRelayStateChange(this@Relay, Type.DISCONNECT, null) }
                 }
@@ -136,6 +158,7 @@ class Relay(
                     // Failures disconnect the relay.
                     socket = null
                     isReady = false
+                    afterEOSE = false
                     closingTime = Date().time / 1000
 
                     Log.w("Relay", "Relay onFailure $url, ${response?.message} $response")
@@ -150,6 +173,7 @@ class Relay(
         } catch (e: Exception) {
             errorCounter++
             isReady = false
+            afterEOSE = false
             closingTime = Date().time / 1000
             Log.e("Relay", "Relay Invalid $url")
             e.printStackTrace()
@@ -162,6 +186,7 @@ class Relay(
         socket?.close(1000, "Normal close")
         socket = null
         isReady = false
+        afterEOSE = false
     }
 
     fun sendFilter(requestId: String) {
@@ -171,9 +196,11 @@ class Relay(
                     val filters = Client.getSubscriptionFilters(requestId).filter { activeTypes.intersect(it.types).isNotEmpty() }
                     if (filters.isNotEmpty()) {
                         val request =
-                            """["REQ","$requestId",${filters.take(10).joinToString(",") { it.filter.toJson() }}]"""
-                        // println("FILTERSSENT ${url} ${request}")
+                            """["REQ","$requestId",${filters.take(40).joinToString(",") { it.filter.toJson(url) }}]"""
+                        // println("FILTERSSENT $url $request")
                         socket?.send(request)
+                        eventUploadCounterInBytes += request.bytesUsedInMemory()
+                        afterEOSE = false
                     }
                 }
             } else {
@@ -198,8 +225,9 @@ class Relay(
 
     fun send(signedEvent: EventInterface) {
         if (write) {
-            socket?.send("""["EVENT",${signedEvent.toJson()}]""")
-            eventUploadCounter++
+            val event = """["EVENT",${signedEvent.toJson()}]"""
+            socket?.send(event)
+            eventUploadCounterInBytes += event.bytesUsedInMemory()
         }
     }
 
@@ -246,3 +274,7 @@ class Relay(
         fun onRelayStateChange(relay: Relay, type: Type, channel: String?)
     }
 }
+
+fun String.bytesUsedInMemory(): Int {
+    return (8 * ((((this.length) * 2) + 45) / 8))
+}

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

@@ -7,12 +7,12 @@ import java.util.UUID
 
 data class Subscription(
     val id: String = UUID.randomUUID().toString().substring(0, 4),
-    val onEOSE: ((Long) -> Unit)? = null
+    val onEOSE: ((Long, String) -> Unit)? = null
 ) {
     var typedFilters: List<TypedFilter>? = null // Inactive when null
 
-    fun updateEOSE(l: Long) {
-        onEOSE?.let { it(l) }
+    fun updateEOSE(time: Long, relay: String) {
+        onEOSE?.let { it(time, relay) }
     }
 
     fun toJson(): String {

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

@@ -27,22 +27,28 @@ class TypedFilter(
     fun filterToJson(filter: JsonFilter): JsonObject {
         val jsonObject = JsonObject()
         filter.ids?.run {
-            jsonObject.add("ids", JsonArray().apply { filter.ids?.forEach { add(it) } })
+            jsonObject.add("ids", JsonArray().apply { filter.ids.forEach { add(it) } })
         }
         filter.authors?.run {
-            jsonObject.add("authors", JsonArray().apply { filter.authors?.forEach { add(it) } })
+            jsonObject.add("authors", JsonArray().apply { filter.authors.forEach { add(it) } })
         }
         filter.kinds?.run {
-            jsonObject.add("kinds", JsonArray().apply { filter.kinds?.forEach { add(it) } })
+            jsonObject.add("kinds", JsonArray().apply { filter.kinds.forEach { add(it) } })
         }
         filter.tags?.run {
             entries.forEach { kv ->
                 jsonObject.add("#${kv.key}", JsonArray().apply { kv.value.forEach { add(it) } })
             }
         }
+        /*
+        Does not include since in the json comparison
         filter.since?.run {
-            jsonObject.addProperty("since", filter.since)
-        }
+            val jsonObjectSince = JsonObject()
+            entries.forEach { sincePairs ->
+                jsonObjectSince.addProperty(sincePairs.key, "${sincePairs.value}")
+            }
+            jsonObject.add("since", jsonObjectSince)
+        }*/
         filter.until?.run {
             jsonObject.addProperty("until", filter.until)
         }

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

@@ -1,8 +1,11 @@
 package com.vitorpamplona.amethyst.ui
 
+import android.content.Context
+import android.content.Intent
 import android.os.Build.VERSION.SDK_INT
 import android.os.Bundle
 import androidx.activity.compose.setContent
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Surface
@@ -18,12 +21,17 @@ import com.vitorpamplona.amethyst.LocalPreferences
 import com.vitorpamplona.amethyst.ServiceManager
 import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.relays.Client
+import com.vitorpamplona.amethyst.ui.navigation.Route
+import com.vitorpamplona.amethyst.ui.note.Nip47
 import com.vitorpamplona.amethyst.ui.screen.AccountScreen
 import com.vitorpamplona.amethyst.ui.screen.AccountStateViewModel
 import com.vitorpamplona.amethyst.ui.theme.AmethystTheme
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
+import java.net.URLEncoder
+import java.nio.charset.StandardCharsets
 
 class MainActivity : FragmentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -33,7 +41,17 @@ class MainActivity : FragmentActivity() {
         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
         }
 
         Coil.setImageLoader {
@@ -49,12 +67,14 @@ class MainActivity : FragmentActivity() {
                 .build()
         }
 
+        LocalPreferences.migrateSingleUserPrefs()
+
         setContent {
             AmethystTheme {
                 // A surface container using the 'background' color from the theme
                 Surface(modifier = Modifier.fillMaxSize(), color = MaterialTheme.colors.background) {
                     val accountStateViewModel: AccountStateViewModel = viewModel {
-                        AccountStateViewModel(LocalPreferences(applicationContext))
+                        AccountStateViewModel()
                     }
 
                     AccountScreen(accountStateViewModel, startingPage)
@@ -65,6 +85,7 @@ class MainActivity : FragmentActivity() {
         Client.lenient = true
     }
 
+    @OptIn(DelicateCoroutinesApi::class)
     override fun onResume() {
         super.onResume()
 
@@ -90,3 +111,13 @@ class MainActivity : FragmentActivity() {
         ServiceManager.cleanUp()
     }
 }
+
+class GetMediaActivityResultContract : ActivityResultContracts.GetContent() {
+
+    override fun createIntent(context: Context, input: String): Intent {
+        return super.createIntent(context, input).apply {
+            // Force only images and videos to be selectable
+            putExtra(Intent.EXTRA_MIME_TYPES, arrayOf("image/*", "video/*"))
+        }
+    }
+}

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

@@ -3,12 +3,12 @@ package com.vitorpamplona.amethyst.ui.actions
 import android.content.ContentResolver
 import android.content.ContentValues
 import android.content.Context
-import android.content.Intent
+import android.media.MediaScannerConnection
 import android.os.Build
 import android.os.Environment
 import android.provider.MediaStore
 import androidx.annotation.RequiresApi
-import androidx.core.net.toUri
+import com.vitorpamplona.amethyst.BuildConfig
 import okhttp3.*
 import okio.BufferedSource
 import okio.IOException
@@ -31,6 +31,7 @@ object ImageSaver {
         val client = OkHttpClient.Builder().build()
 
         val request = Request.Builder()
+            .header("User-Agent", "Amethyst/${BuildConfig.VERSION_NAME}")
             .get()
             .url(url)
             .build()
@@ -134,12 +135,7 @@ object ImageSaver {
 
         // Call the media scanner manually, so the image
         // appears in the gallery faster.
-        context.sendBroadcast(
-            Intent(
-                Intent.ACTION_MEDIA_SCANNER_SCAN_FILE,
-                outputFile.toUri()
-            )
-        )
+        MediaScannerConnection.scanFile(context, arrayOf(outputFile.toString()), null, null)
     }
 
     private const val PICTURES_SUBDIRECTORY = "Amethyst"

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

@@ -3,6 +3,7 @@ package com.vitorpamplona.amethyst.ui.actions
 import android.content.ContentResolver
 import android.net.Uri
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import com.vitorpamplona.amethyst.BuildConfig
 import okhttp3.*
 import okhttp3.MediaType.Companion.toMediaType
 import okio.BufferedSink
@@ -18,13 +19,16 @@ object ImageUploader {
         onError: (Throwable) -> Unit
     ) {
         val contentType = contentResolver.getType(uri)
+        val category = contentType?.toMediaType()?.toString()?.split("/")?.get(0) ?: "image"
+
+        val url = if (category == "image") "https://api.imgur.com/3/image" else "https://api.imgur.com/3/upload"
 
         val client = OkHttpClient.Builder().build()
 
         val requestBody: RequestBody = MultipartBody.Builder()
             .setType(MultipartBody.FORM)
             .addFormDataPart(
-                "image",
+                category,
                 "${UUID.randomUUID()}",
                 object : RequestBody() {
                     override fun contentType(): MediaType? =
@@ -43,8 +47,9 @@ object ImageUploader {
             .build()
 
         val request: Request = Request.Builder()
-            .url("https://api.imgur.com/3/image")
             .header("Authorization", "Client-ID e6aea87296f3f96")
+            .header("User-Agent", "Amethyst/${BuildConfig.VERSION_NAME}")
+            .url(url)
             .post(requestBody)
             .build()
 

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

@@ -16,7 +16,6 @@ import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.input.KeyboardCapitalization
 import androidx.compose.ui.text.style.TextDirection
@@ -31,8 +30,6 @@ import com.vitorpamplona.amethyst.model.Channel
 @Composable
 fun NewChannelView(onClose: () -> Unit, account: Account, channel: Channel? = null) {
     val postViewModel: NewChannelViewModel = viewModel()
-    val context = LocalContext.current.applicationContext
-
     postViewModel.load(account, channel)
 
     Dialog(
@@ -58,7 +55,7 @@ fun NewChannelView(onClose: () -> Unit, account: Account, channel: Channel? = nu
 
                     PostButton(
                         onPost = {
-                            postViewModel.create(context)
+                            postViewModel.create()
                             onClose()
                         },
                         postViewModel.channelName.value.text.isNotBlank()

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

@@ -1,6 +1,5 @@
 package com.vitorpamplona.amethyst.ui.actions
 
-import android.content.Context
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.ui.text.input.TextFieldValue
 import androidx.lifecycle.ViewModel
@@ -25,7 +24,7 @@ class NewChannelViewModel : ViewModel() {
         }
     }
 
-    fun create(context: Context) {
+    fun create() {
         this.account?.let { account ->
             if (originalChannel == null) {
                 account.sendCreateNewChannel(

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

@@ -0,0 +1,81 @@
+package com.vitorpamplona.amethyst.ui.actions
+
+import com.vitorpamplona.amethyst.model.Channel
+import com.vitorpamplona.amethyst.model.LocalCache
+import com.vitorpamplona.amethyst.model.Note
+import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.model.parseDirtyWordForKey
+import com.vitorpamplona.amethyst.service.nip19.Nip19
+
+class NewMessageTagger(var channel: Channel?, var mentions: List<User>?, var replyTos: List<Note>?, var message: String) {
+
+    open fun addUserToMentions(user: User) {
+        mentions = if (mentions?.contains(user) == true) mentions else mentions?.plus(user) ?: listOf(user)
+    }
+
+    open fun addNoteToReplyTos(note: Note) {
+        note.author?.let { addUserToMentions(it) }
+        replyTos = if (replyTos?.contains(note) == true) replyTos else replyTos?.plus(note) ?: listOf(note)
+    }
+
+    open fun tagIndex(user: User): Int {
+        // Postr Events assembles replies before mentions in the tag order
+        return (if (channel != null) 1 else 0) + (replyTos?.size ?: 0) + (mentions?.indexOf(user) ?: 0)
+    }
+
+    open fun tagIndex(note: Note): Int {
+        // Postr Events assembles replies before mentions in the tag order
+        return (if (channel != null) 1 else 0) + (replyTos?.indexOf(note) ?: 0)
+    }
+
+    fun run() {
+        // adds all references to mentions and reply tos
+        message.split('\n').forEach { paragraph: String ->
+            paragraph.split(' ').forEach { word: String ->
+                val results = parseDirtyWordForKey(word)
+
+                if (results?.key?.type == Nip19.Type.USER) {
+                    addUserToMentions(LocalCache.getOrCreateUser(results.key.hex))
+                } else if (results?.key?.type == Nip19.Type.NOTE) {
+                    addNoteToReplyTos(LocalCache.getOrCreateNote(results.key.hex))
+                } else if (results?.key?.type == Nip19.Type.EVENT) {
+                    addNoteToReplyTos(LocalCache.getOrCreateNote(results.key.hex))
+                } else if (results?.key?.type == Nip19.Type.ADDRESS) {
+                    val note = LocalCache.checkGetOrCreateAddressableNote(results.key.hex)
+                    if (note != null) {
+                        addNoteToReplyTos(note)
+                    }
+                }
+            }
+        }
+
+        // Tags the text in the correct order.
+        message = message.split('\n').map { paragraph: String ->
+            paragraph.split(' ').map { word: String ->
+                val results = parseDirtyWordForKey(word)
+                if (results?.key?.type == Nip19.Type.USER) {
+                    val user = LocalCache.getOrCreateUser(results.key.hex)
+
+                    "#[${tagIndex(user)}]${results.restOfWord}"
+                } else if (results?.key?.type == Nip19.Type.NOTE) {
+                    val note = LocalCache.getOrCreateNote(results.key.hex)
+
+                    "#[${tagIndex(note)}]${results.restOfWord}"
+                } else if (results?.key?.type == Nip19.Type.EVENT) {
+                    val note = LocalCache.getOrCreateNote(results.key.hex)
+
+                    "#[${tagIndex(note)}]${results.restOfWord}"
+                } else if (results?.key?.type == Nip19.Type.ADDRESS) {
+                    val note = LocalCache.checkGetOrCreateAddressableNote(results.key.hex)
+                    if (note != null) {
+                        "#[${tagIndex(note)}]${results.restOfWord}"
+                    } else {
+                        word
+                    }
+                } else {
+                    word
+                }
+            }.joinToString(" ")
+        }.joinToString("\n")
+    }
+}

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

@@ -0,0 +1,79 @@
+package com.vitorpamplona.amethyst.ui.components
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.OutlinedTextField
+import androidx.compose.material.Text
+import androidx.compose.material.TextFieldDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.ui.actions.NewPostViewModel
+
+@Composable
+fun NewPollClosing(pollViewModel: NewPostViewModel) {
+    var text by rememberSaveable { mutableStateOf("") }
+
+    pollViewModel.isValidClosedAt.value = true
+    if (text.isNotEmpty()) {
+        try {
+            val int = text.toInt()
+            if (int < 0) {
+                pollViewModel.isValidClosedAt.value = false
+            } else { pollViewModel.closedAt = int }
+        } catch (e: Exception) { pollViewModel.isValidClosedAt.value = false }
+    }
+
+    val colorInValid = TextFieldDefaults.outlinedTextFieldColors(
+        focusedBorderColor = MaterialTheme.colors.error,
+        unfocusedBorderColor = Color.Red
+    )
+    val colorValid = TextFieldDefaults.outlinedTextFieldColors(
+        focusedBorderColor = MaterialTheme.colors.primary,
+        unfocusedBorderColor = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+    )
+
+    Row(
+        Modifier.fillMaxWidth(),
+        horizontalArrangement = Arrangement.Center
+    ) {
+        OutlinedTextField(
+            value = text,
+            onValueChange = { text = it },
+            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+            modifier = Modifier.width(150.dp),
+            colors = if (pollViewModel.isValidClosedAt.value) colorValid else colorInValid,
+            label = {
+                Text(
+                    text = stringResource(R.string.poll_closing_time),
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                )
+            },
+            placeholder = {
+                Text(
+                    text = stringResource(R.string.poll_closing_time_days),
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                )
+            }
+        )
+    }
+}
+
+@Preview
+@Composable
+fun NewPollClosingPreview() {
+    NewPollClosing(NewPostViewModel())
+}

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

@@ -0,0 +1,79 @@
+package com.vitorpamplona.amethyst.ui.components
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.OutlinedTextField
+import androidx.compose.material.Text
+import androidx.compose.material.TextFieldDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.ui.actions.NewPostViewModel
+
+@Composable
+fun NewPollConsensusThreshold(pollViewModel: NewPostViewModel) {
+    var text by rememberSaveable { mutableStateOf("") }
+
+    pollViewModel.isValidConsensusThreshold.value = true
+    if (text.isNotEmpty()) {
+        try {
+            val int = text.toInt()
+            if (int < 0 || int > 100) {
+                pollViewModel.isValidConsensusThreshold.value = false
+            } else { pollViewModel.consensusThreshold = int }
+        } catch (e: Exception) { pollViewModel.isValidConsensusThreshold.value = false }
+    }
+
+    val colorInValid = TextFieldDefaults.outlinedTextFieldColors(
+        focusedBorderColor = MaterialTheme.colors.error,
+        unfocusedBorderColor = Color.Red
+    )
+    val colorValid = TextFieldDefaults.outlinedTextFieldColors(
+        focusedBorderColor = MaterialTheme.colors.primary,
+        unfocusedBorderColor = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+    )
+
+    Row(
+        Modifier.fillMaxWidth(),
+        horizontalArrangement = Arrangement.Center
+    ) {
+        OutlinedTextField(
+            value = text,
+            onValueChange = { text = it },
+            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+            modifier = Modifier.width(150.dp),
+            colors = if (pollViewModel.isValidConsensusThreshold.value) colorValid else colorInValid,
+            label = {
+                Text(
+                    text = stringResource(R.string.poll_consensus_threshold),
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                )
+            },
+            placeholder = {
+                Text(
+                    text = stringResource(R.string.poll_consensus_threshold_percent),
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                )
+            }
+        )
+    }
+}
+
+@Preview
+@Composable
+fun NewPollConsensusThresholdPreview() {
+    NewPollConsensusThreshold(NewPostViewModel())
+}

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

@@ -0,0 +1,70 @@
+package com.vitorpamplona.amethyst.ui.actions
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Delete
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.KeyboardCapitalization
+import androidx.compose.ui.tooling.preview.Preview
+import com.vitorpamplona.amethyst.R
+
+@Composable
+fun NewPollOption(pollViewModel: NewPostViewModel, optionIndex: Int) {
+    val colorInValid = TextFieldDefaults.outlinedTextFieldColors(
+        focusedBorderColor = MaterialTheme.colors.error,
+        unfocusedBorderColor = Color.Red
+    )
+    val colorValid = TextFieldDefaults.outlinedTextFieldColors(
+        focusedBorderColor = MaterialTheme.colors.primary,
+        unfocusedBorderColor = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+    )
+
+    Row {
+        val deleteIcon: @Composable (() -> Unit) = {
+            IconButton(
+                onClick = {
+                    pollViewModel.pollOptions.remove(optionIndex)
+                }
+            ) {
+                Icon(
+                    imageVector = Icons.Default.Delete,
+                    contentDescription = stringResource(R.string.clear)
+                )
+            }
+        }
+
+        OutlinedTextField(
+            modifier = Modifier.weight(1F),
+            value = pollViewModel.pollOptions[optionIndex] ?: "",
+            onValueChange = { pollViewModel.pollOptions[optionIndex] = it },
+            label = {
+                Text(
+                    text = stringResource(R.string.poll_option_index).format(optionIndex + 1),
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                )
+            },
+            placeholder = {
+                Text(
+                    text = stringResource(R.string.poll_option_description),
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                )
+            },
+            keyboardOptions = KeyboardOptions.Default.copy(
+                capitalization = KeyboardCapitalization.Sentences
+            ),
+            // colors = if (pollViewModel.pollOptions[optionIndex]?.isNotEmpty() == true) colorValid else colorInValid,
+            trailingIcon = if (optionIndex > 1) deleteIcon else null
+        )
+    }
+}
+
+@Preview
+@Composable
+fun NewPollOptionPreview() {
+    NewPollOption(NewPostViewModel(), 0)
+}

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

@@ -0,0 +1,77 @@
+package com.vitorpamplona.amethyst.ui.components
+
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.*
+import androidx.compose.runtime.*
+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.LocalSoftwareKeyboardController
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.KeyboardCapitalization
+import androidx.compose.ui.text.style.TextDirection
+import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.ui.actions.NewPostViewModel
+import com.vitorpamplona.amethyst.ui.actions.UrlUserTagTransformation
+
+@OptIn(ExperimentalComposeUiApi::class)
+@Composable
+fun NewPollPrimaryDescription(pollViewModel: NewPostViewModel) {
+    // initialize focus reference to be able to request focus programmatically
+    val focusRequester = remember { FocusRequester() }
+    val keyboardController = LocalSoftwareKeyboardController.current
+
+    var isInputValid = true
+    if (pollViewModel.message.text.isEmpty()) {
+        isInputValid = false
+    }
+
+    val colorInValid = TextFieldDefaults.outlinedTextFieldColors(
+        focusedBorderColor = MaterialTheme.colors.error,
+        unfocusedBorderColor = Color.Red
+    )
+    val colorValid = TextFieldDefaults.outlinedTextFieldColors(
+        focusedBorderColor = MaterialTheme.colors.primary,
+        unfocusedBorderColor = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+    )
+
+    OutlinedTextField(
+        value = pollViewModel.message,
+        onValueChange = {
+            pollViewModel.updateMessage(it)
+        },
+        label = {
+            Text(
+                text = stringResource(R.string.poll_primary_description),
+                color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+            )
+        },
+        keyboardOptions = KeyboardOptions.Default.copy(
+            capitalization = KeyboardCapitalization.Sentences
+        ),
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(top = 8.dp)
+            .focusRequester(focusRequester)
+            .onFocusChanged {
+                if (it.isFocused) {
+                    keyboardController?.show()
+                }
+            },
+        placeholder = {
+            Text(
+                text = stringResource(R.string.poll_primary_description),
+                color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+            )
+        },
+        colors = if (isInputValid) colorValid else colorInValid,
+        visualTransformation = UrlUserTagTransformation(MaterialTheme.colors.primary),
+        textStyle = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
+    )
+}

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

@@ -0,0 +1,43 @@
+package com.vitorpamplona.amethyst.ui.components
+
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.OutlinedTextField
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.ui.actions.NewPostViewModel
+
+@Composable
+fun NewPollRecipientsField(pollViewModel: NewPostViewModel, account: Account) {
+    // if no recipients, add user's pubkey
+    if (pollViewModel.zapRecipients.isEmpty()) {
+        pollViewModel.zapRecipients.add(account.userProfile().pubkeyHex)
+    }
+
+    // TODO allow add multiple recipients and check input validity
+
+    OutlinedTextField(
+        modifier = Modifier
+            .fillMaxWidth(),
+        value = pollViewModel.zapRecipients[0],
+        onValueChange = { /* TODO */ },
+        enabled = false, // TODO enable add recipients
+        label = {
+            Text(
+                text = stringResource(R.string.poll_zap_recipients),
+                color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+            )
+        },
+        placeholder = {
+            Text(
+                text = stringResource(R.string.poll_zap_recipients),
+                color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+            )
+        }
+
+    )
+}

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

@@ -0,0 +1,197 @@
+package com.vitorpamplona.amethyst.ui.actions
+
+import android.widget.Toast
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
+import androidx.lifecycle.viewmodel.compose.viewModel
+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.ui.components.*
+import com.vitorpamplona.amethyst.ui.note.ReplyInformation
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.UserLine
+import kotlinx.coroutines.delay
+
+@Composable
+fun NewPollView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = null, account: Account) {
+    val pollViewModel: NewPostViewModel = viewModel()
+
+    val context = LocalContext.current
+
+    val scrollState = rememberScrollState()
+
+    LaunchedEffect(Unit) {
+        pollViewModel.load(account, baseReplyTo, quote)
+        delay(100)
+
+        pollViewModel.imageUploadingError.collect { error ->
+            Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
+        }
+    }
+
+    Dialog(
+        onDismissRequest = { onClose() },
+        properties = DialogProperties(
+            usePlatformDefaultWidth = false,
+            dismissOnClickOutside = false,
+            decorFitsSystemWindows = false
+        )
+    ) {
+        Surface(
+            modifier = Modifier
+                .fillMaxWidth()
+                .fillMaxHeight()
+        ) {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .fillMaxHeight()
+            ) {
+                Column(
+                    modifier = Modifier
+                        .padding(start = 10.dp, end = 10.dp, top = 10.dp)
+                        .imePadding()
+                        .weight(1f)
+                ) {
+                    Row(
+                        modifier = Modifier.fillMaxWidth(),
+                        horizontalArrangement = Arrangement.SpaceBetween,
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        CloseButton(onCancel = {
+                            pollViewModel.cancel()
+                            onClose()
+                        })
+
+                        PollButton(
+                            onPost = {
+                                pollViewModel.sendPost()
+                                onClose()
+                            },
+                            isActive = pollViewModel.message.text.isNotBlank() &&
+                                pollViewModel.pollOptions.values.all { it.isNotEmpty() } &&
+                                pollViewModel.isValidRecipients.value &&
+                                pollViewModel.isValidvalueMaximum.value &&
+                                pollViewModel.isValidvalueMinimum.value &&
+                                pollViewModel.isValidConsensusThreshold.value &&
+                                pollViewModel.isValidClosedAt.value
+                        )
+                    }
+
+                    Row(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .weight(1f)
+                    ) {
+                        Column(
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .verticalScroll(scrollState)
+                        ) {
+                            if (pollViewModel.replyTos != null && baseReplyTo?.event is TextNoteEvent) {
+                                ReplyInformation(pollViewModel.replyTos, pollViewModel.mentions, account, "✖ ") {
+                                    pollViewModel.removeFromReplyList(it)
+                                }
+                            }
+
+                            Text(stringResource(R.string.poll_heading_required))
+                            // NewPollRecipientsField(pollViewModel, account)
+                            NewPollPrimaryDescription(pollViewModel)
+                            pollViewModel.pollOptions.values.forEachIndexed { index, element ->
+                                NewPollOption(pollViewModel, index)
+                            }
+                            Button(
+                                onClick = { pollViewModel.pollOptions[pollViewModel.pollOptions.size] = "" },
+                                border = BorderStroke(1.dp, MaterialTheme.colors.onSurface.copy(alpha = 0.32f)),
+                                colors = ButtonDefaults.outlinedButtonColors(
+                                    contentColor = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                                )
+                            ) {
+                                Image(
+                                    painterResource(id = android.R.drawable.ic_input_add),
+                                    contentDescription = "Add poll option button",
+                                    modifier = Modifier.size(18.dp)
+                                )
+                            }
+                            Text(stringResource(R.string.poll_heading_optional))
+                            NewPollVoteValueRange(pollViewModel)
+                            NewPollConsensusThreshold(pollViewModel)
+                            NewPollClosing(pollViewModel)
+                        }
+                    }
+
+                    val userSuggestions = pollViewModel.userSuggestions
+                    if (userSuggestions.isNotEmpty()) {
+                        LazyColumn(
+                            contentPadding = PaddingValues(
+                                top = 10.dp
+                            ),
+                            modifier = Modifier.heightIn(0.dp, 300.dp)
+                        ) {
+                            itemsIndexed(
+                                userSuggestions,
+                                key = { _, item -> item.pubkeyHex }
+                            ) { index, item ->
+                                UserLine(item, account) {
+                                    pollViewModel.autocompleteWithUser(item)
+                                }
+                            }
+                        }
+                    }
+
+                    Row(modifier = Modifier.fillMaxWidth()) {
+                        /*UploadFromGallery(
+                            isUploading = pollViewModel.isUploadingImage
+                        ) {
+                            pollViewModel.upload(it, context)
+                        }*/
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun PollButton(modifier: Modifier = Modifier, onPost: () -> Unit = {}, isActive: Boolean) {
+    Button(
+        modifier = modifier,
+        onClick = {
+            if (isActive) {
+                onPost()
+            }
+        },
+        shape = RoundedCornerShape(20.dp),
+        colors = ButtonDefaults
+            .buttonColors(
+                backgroundColor = if (isActive) MaterialTheme.colors.primary else Color.Gray
+            )
+    ) {
+        Text(text = stringResource(R.string.post_poll), color = Color.White)
+    }
+}
+
+/*@Preview
+@Composable
+fun NewPollViewPreview() {
+    NewPollView(onClose = {}, account = Account(loggedIn = Persona()))
+}*/

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

@@ -0,0 +1,126 @@
+package com.vitorpamplona.amethyst.ui.actions
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.OutlinedTextField
+import androidx.compose.material.Text
+import androidx.compose.material.TextFieldDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.R
+
+@Composable
+fun NewPollVoteValueRange(pollViewModel: NewPostViewModel) {
+    var textMax by rememberSaveable { mutableStateOf("") }
+    var textMin by rememberSaveable { mutableStateOf("") }
+
+    // check for zapMax amounts < 1
+    pollViewModel.isValidvalueMaximum.value = true
+    if (textMax.isNotEmpty()) {
+        try {
+            val int = textMax.toInt()
+            if (int < 1) {
+                pollViewModel.isValidvalueMaximum.value = false
+            } else { pollViewModel.valueMaximum = int }
+        } catch (e: Exception) { pollViewModel.isValidvalueMaximum.value = false }
+    }
+
+    // check for minZap amounts < 1
+    pollViewModel.isValidvalueMinimum.value = true
+    if (textMin.isNotEmpty()) {
+        try {
+            val int = textMin.toInt()
+            if (int < 1) {
+                pollViewModel.isValidvalueMinimum.value = false
+            } else { pollViewModel.valueMinimum = int }
+        } catch (e: Exception) { pollViewModel.isValidvalueMinimum.value = false }
+    }
+
+    // check for zapMin > zapMax
+    if (textMin.isNotEmpty() && textMax.isNotEmpty()) {
+        try {
+            val intMin = textMin.toInt()
+            val intMax = textMax.toInt()
+
+            if (intMin > intMax) {
+                pollViewModel.isValidvalueMinimum.value = false
+                pollViewModel.isValidvalueMaximum.value = false
+            }
+        } catch (e: Exception) {
+            pollViewModel.isValidvalueMinimum.value = false
+            pollViewModel.isValidvalueMaximum.value = false
+        }
+    }
+
+    val colorInValid = TextFieldDefaults.outlinedTextFieldColors(
+        focusedBorderColor = MaterialTheme.colors.error,
+        unfocusedBorderColor = Color.Red
+    )
+    val colorValid = TextFieldDefaults.outlinedTextFieldColors(
+        focusedBorderColor = MaterialTheme.colors.primary,
+        unfocusedBorderColor = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+    )
+
+    Row(
+        Modifier.fillMaxWidth(),
+        horizontalArrangement = Arrangement.Center
+    ) {
+        OutlinedTextField(
+            value = textMin,
+            onValueChange = { textMin = it },
+            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+            modifier = Modifier.width(150.dp),
+            colors = if (pollViewModel.isValidvalueMinimum.value) colorValid else colorInValid,
+            label = {
+                Text(
+                    text = stringResource(R.string.poll_zap_value_min),
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                )
+            },
+            placeholder = {
+                Text(
+                    text = stringResource(R.string.sats),
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                )
+            }
+        )
+        OutlinedTextField(
+            value = textMax,
+            onValueChange = { textMax = it },
+            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+            modifier = Modifier.width(150.dp),
+            colors = if (pollViewModel.isValidvalueMaximum.value) colorValid else colorInValid,
+            label = {
+                Text(
+                    text = stringResource(R.string.poll_zap_value_max),
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                )
+            },
+            placeholder = {
+                Text(
+                    text = stringResource(R.string.sats),
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                )
+            }
+        )
+    }
+}
+
+@Preview
+@Composable
+fun NewPollVoteValueRangePreview() {
+    NewPollVoteValueRange(NewPostViewModel())
+}

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

@@ -1,6 +1,8 @@
 package com.vitorpamplona.amethyst.ui.actions
 
 import android.widget.Toast
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.Image
 import androidx.compose.foundation.border
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
@@ -10,6 +12,8 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.CurrencyBitcoin
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.remember
@@ -27,6 +31,7 @@ import androidx.compose.ui.platform.LocalSoftwareKeyboardController
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.input.KeyboardCapitalization
+import androidx.compose.ui.text.input.TextFieldValue
 import androidx.compose.ui.text.style.TextDirection
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
@@ -40,6 +45,7 @@ import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 import com.vitorpamplona.amethyst.ui.components.*
 import com.vitorpamplona.amethyst.ui.note.ReplyInformation
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.UserLine
+import com.vitorpamplona.amethyst.ui.theme.BitcoinOrange
 import kotlinx.coroutines.delay
 
 @OptIn(ExperimentalComposeUiApi::class)
@@ -104,8 +110,7 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                                 postViewModel.sendPost()
                                 onClose()
                             },
-                            isActive = postViewModel.message.text.isNotBlank() &&
-                                !postViewModel.isUploadingImage
+                            isActive = postViewModel.canPost()
                         )
                     }
 
@@ -161,13 +166,55 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                                 textStyle = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
                             )
 
+                            if (postViewModel.wantsPoll) {
+                                postViewModel.pollOptions.values.forEachIndexed { index, element ->
+                                    NewPollOption(postViewModel, index)
+                                }
+
+                                Button(
+                                    onClick = { postViewModel.pollOptions[postViewModel.pollOptions.size] = "" },
+                                    border = BorderStroke(1.dp, MaterialTheme.colors.onSurface.copy(alpha = 0.32f)),
+                                    colors = ButtonDefaults.outlinedButtonColors(
+                                        contentColor = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
+                                    )
+                                ) {
+                                    Image(
+                                        painterResource(id = android.R.drawable.ic_input_add),
+                                        contentDescription = "Add poll option button",
+                                        modifier = Modifier.size(18.dp)
+                                    )
+                                }
+                            }
+
+                            val user = postViewModel.account?.userProfile()
+                            val lud16 = user?.info?.lnAddress()
+
+                            if (lud16 != null && user != null && postViewModel.wantsInvoice) {
+                                Row(verticalAlignment = Alignment.CenterVertically, modifier = Modifier.padding(vertical = 5.dp)) {
+                                    InvoiceRequest(
+                                        lud16,
+                                        user.pubkeyHex,
+                                        account,
+                                        stringResource(id = R.string.lightning_invoice),
+                                        stringResource(id = R.string.lightning_create_and_add_invoice),
+                                        onSuccess = {
+                                            postViewModel.message = TextFieldValue(postViewModel.message.text + "\n\n" + it)
+                                            postViewModel.wantsInvoice = false
+                                        },
+                                        onClose = {
+                                            postViewModel.wantsInvoice = false
+                                        }
+                                    )
+                                }
+                            }
+
                             val myUrlPreview = postViewModel.urlPreview
                             if (myUrlPreview != null) {
                                 Row(modifier = Modifier.padding(top = 5.dp)) {
                                     if (isValidURL(myUrlPreview)) {
                                         val removedParamsFromUrl =
                                             myUrlPreview.split("?")[0].lowercase()
-                                        if (imageExtension.matcher(removedParamsFromUrl).matches()) {
+                                        if (imageExtensions.any { removedParamsFromUrl.endsWith(it) }) {
                                             AsyncImage(
                                                 model = myUrlPreview,
                                                 contentDescription = myUrlPreview,
@@ -182,9 +229,7 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                                                         RoundedCornerShape(15.dp)
                                                     )
                                             )
-                                        } else if (videoExtension.matcher(removedParamsFromUrl)
-                                            .matches()
-                                        ) {
+                                        } else if (videoExtensions.any { removedParamsFromUrl.endsWith(it) }) {
                                             VideoView(myUrlPreview)
                                         } else {
                                             UrlPreview(myUrlPreview, myUrlPreview)
@@ -208,7 +253,7 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                             itemsIndexed(
                                 userSuggestions,
                                 key = { _, item -> item.pubkeyHex }
-                            ) { index, item ->
+                            ) { _, item ->
                                 UserLine(item, account) {
                                     postViewModel.autocompleteWithUser(item)
                                 }
@@ -218,10 +263,24 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
 
                     Row(modifier = Modifier.fillMaxWidth()) {
                         UploadFromGallery(
-                            isUploading = postViewModel.isUploadingImage
+                            isUploading = postViewModel.isUploadingImage,
+                            tint = MaterialTheme.colors.onBackground,
+                            modifier = Modifier.padding(bottom = 10.dp)
                         ) {
                             postViewModel.upload(it, context)
                         }
+
+                        if (postViewModel.canUsePoll) {
+                            AddPollButton(postViewModel.wantsPoll) {
+                                postViewModel.wantsPoll = !postViewModel.wantsPoll
+                            }
+                        }
+
+                        if (postViewModel.canAddInvoice) {
+                            AddLnInvoiceButton(postViewModel.wantsInvoice) {
+                                postViewModel.wantsInvoice = !postViewModel.wantsInvoice
+                            }
+                        }
                     }
                 }
             }
@@ -229,6 +288,62 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
     }
 }
 
+@Composable
+private fun AddPollButton(
+    isPollActive: Boolean,
+    onClick: () -> Unit
+) {
+    IconButton(
+        onClick = {
+            onClick()
+        }
+    ) {
+        if (!isPollActive) {
+            Icon(
+                painter = painterResource(R.drawable.ic_poll),
+                null,
+                modifier = Modifier.size(20.dp),
+                tint = MaterialTheme.colors.onBackground
+            )
+        } else {
+            Icon(
+                painter = painterResource(R.drawable.ic_lists),
+                null,
+                modifier = Modifier.size(20.dp),
+                tint = MaterialTheme.colors.onBackground
+            )
+        }
+    }
+}
+
+@Composable
+private fun AddLnInvoiceButton(
+    isLnInvoiceActive: Boolean,
+    onClick: () -> Unit
+) {
+    IconButton(
+        onClick = {
+            onClick()
+        }
+    ) {
+        if (!isLnInvoiceActive) {
+            Icon(
+                imageVector = Icons.Default.CurrencyBitcoin,
+                null,
+                modifier = Modifier.size(20.dp),
+                tint = MaterialTheme.colors.onBackground
+            )
+        } else {
+            Icon(
+                imageVector = Icons.Default.CurrencyBitcoin,
+                null,
+                modifier = Modifier.size(20.dp),
+                tint = BitcoinOrange
+            )
+        }
+    }
+}
+
 @Composable
 fun CloseButton(onCancel: () -> Unit) {
     Button(

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

@@ -3,22 +3,28 @@ package com.vitorpamplona.amethyst.ui.actions
 import android.content.Context
 import android.net.Uri
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateMapOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
+import androidx.compose.runtime.snapshots.SnapshotStateMap
 import androidx.compose.ui.text.TextRange
 import androidx.compose.ui.text.input.TextFieldValue
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.vitorpamplona.amethyst.model.*
-import com.vitorpamplona.amethyst.service.nip19.Nip19
+import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
+import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 import com.vitorpamplona.amethyst.ui.components.isValidURL
 import com.vitorpamplona.amethyst.ui.components.noProtocolUrlValidator
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.launch
 
-class NewPostViewModel : ViewModel() {
-    private var account: Account? = null
-    private var originalNote: Note? = null
+open class NewPostViewModel : ViewModel() {
+    var account: Account? = null
+    var originalNote: Note? = null
 
     var mentions by mutableStateOf<List<User>?>(null)
     var replyTos by mutableStateOf<List<Note>?>(null)
@@ -31,100 +37,71 @@ class NewPostViewModel : ViewModel() {
     var userSuggestions by mutableStateOf<List<User>>(emptyList())
     var userSuggestionAnchor: TextRange? = null
 
-    fun load(account: Account, replyingTo: Note?, quote: Note?) {
+    // Polls
+    var canUsePoll by mutableStateOf(false)
+    var wantsPoll by mutableStateOf(false)
+    var zapRecipients = mutableStateListOf<HexKey>()
+    var pollOptions = newStateMapPollOptions()
+    var valueMaximum: Int? = null
+    var valueMinimum: Int? = null
+    var consensusThreshold: Int? = null
+    var closedAt: Int? = null
+
+    var isValidRecipients = mutableStateOf(true)
+    var isValidvalueMaximum = mutableStateOf(true)
+    var isValidvalueMinimum = mutableStateOf(true)
+    var isValidConsensusThreshold = mutableStateOf(true)
+    var isValidClosedAt = mutableStateOf(true)
+
+    // Invoices
+    var canAddInvoice by mutableStateOf(false)
+    var wantsInvoice by mutableStateOf(false)
+
+    open fun load(account: Account, replyingTo: Note?, quote: Note?) {
         originalNote = replyingTo
         replyingTo?.let { replyNote ->
             this.replyTos = (replyNote.replyTo ?: emptyList()).plus(replyNote)
             replyNote.author?.let { replyUser ->
-                val currentMentions = replyNote.mentions ?: emptyList()
+                val currentMentions = (replyNote.event as? TextNoteEvent)
+                    ?.mentions()
+                    ?.map { LocalCache.getOrCreateUser(it) } ?: emptyList()
+
                 if (currentMentions.contains(replyUser)) {
                     this.mentions = currentMentions
                 } else {
                     this.mentions = currentMentions.plus(replyUser)
                 }
             }
+        } ?: {
+            replyTos = null
+            mentions = null
         }
 
         quote?.let {
             message = TextFieldValue(message.text + "\n\n@${it.idNote()}")
         }
 
+        canAddInvoice = account.userProfile().info?.lnAddress() != null
+        canUsePoll = originalNote?.event !is PrivateDmEvent && originalNote?.channel() == null
+
         this.account = account
     }
 
-    fun addUserToMentions(user: User) {
-        mentions = if (mentions?.contains(user) == true) mentions else mentions?.plus(user) ?: listOf(user)
-    }
-
-    fun addNoteToReplyTos(note: Note) {
-        note.author?.let { addUserToMentions(it) }
-        replyTos = if (replyTos?.contains(note) == true) replyTos else replyTos?.plus(note) ?: listOf(note)
-    }
-
-    fun tagIndex(user: User): Int {
-        // Postr Events assembles replies before mentions in the tag order
-        return (if (originalNote?.channel() != null) 1 else 0) + (replyTos?.size ?: 0) + (mentions?.indexOf(user) ?: 0)
-    }
-
-    fun tagIndex(note: Note): Int {
-        // Postr Events assembles replies before mentions in the tag order
-        return (if (originalNote?.channel() != null) 1 else 0) + (replyTos?.indexOf(note) ?: 0)
-    }
-
     fun sendPost() {
-        // adds all references to mentions and reply tos
-        message.text.split('\n').forEach { paragraph: String ->
-            paragraph.split(' ').forEach { word: String ->
-                val results = parseDirtyWordForKey(word)
+        val tagger = NewMessageTagger(originalNote?.channel(), mentions, replyTos, message.text)
+        tagger.run()
 
-                if (results?.key?.type == Nip19.Type.USER) {
-                    addUserToMentions(LocalCache.getOrCreateUser(results.key.hex))
-                } else if (results?.key?.type == Nip19.Type.NOTE) {
-                    addNoteToReplyTos(LocalCache.getOrCreateNote(results.key.hex))
-                } else if (results?.key?.type == Nip19.Type.ADDRESS) {
-                    val note = LocalCache.checkGetOrCreateAddressableNote(results.key.hex)
-                    if (note != null) {
-                        addNoteToReplyTos(note)
-                    }
-                }
-            }
-        }
-
-        // Tags the text in the correct order.
-        val newMessage = message.text.split('\n').map { paragraph: String ->
-            paragraph.split(' ').map { word: String ->
-                val results = parseDirtyWordForKey(word)
-                if (results?.key?.type == Nip19.Type.USER) {
-                    val user = LocalCache.getOrCreateUser(results.key.hex)
-
-                    "#[${tagIndex(user)}]${results.restOfWord}"
-                } else if (results?.key?.type == Nip19.Type.NOTE) {
-                    val note = LocalCache.getOrCreateNote(results.key.hex)
-
-                    "#[${tagIndex(note)}]${results.restOfWord}"
-                } else if (results?.key?.type == Nip19.Type.ADDRESS) {
-                    val note = LocalCache.checkGetOrCreateAddressableNote(results.key.hex)
-                    if (note != null) {
-                        "#[${tagIndex(note)}]${results.restOfWord}"
-                    } else {
-                        word
-                    }
-                } else {
-                    word
-                }
-            }.joinToString(" ")
-        }.joinToString("\n")
-
-        if (originalNote?.channel() != null) {
-            account?.sendChannelMessage(newMessage, originalNote!!.channel()!!.idHex, originalNote!!, mentions)
+        if (wantsPoll) {
+            account?.sendPoll(tagger.message, tagger.replyTos, tagger.mentions, pollOptions, valueMaximum, valueMinimum, consensusThreshold, closedAt)
+        } else if (originalNote?.channel() != null) {
+            account?.sendChannelMessage(tagger.message, tagger.channel!!.idHex, tagger.replyTos, tagger.mentions)
+        } else if (originalNote?.event is PrivateDmEvent) {
+            account?.sendPrivateMessage(tagger.message, originalNote!!.author!!.pubkeyHex, originalNote!!, tagger.mentions)
         } else {
-            account?.sendPost(newMessage, replyTos, mentions)
+            account?.sendPost(tagger.message, tagger.replyTos, tagger.mentions)
         }
 
-        message = TextFieldValue("")
-        urlPreview = null
-        isUploadingImage = false
-        mentions = null
+        cancel()
     }
 
     fun upload(it: Uri, context: Context) {
@@ -136,25 +113,39 @@ class NewPostViewModel : ViewModel() {
             onSuccess = { imageUrl ->
                 isUploadingImage = false
                 message = TextFieldValue(message.text + "\n\n" + imageUrl)
-                urlPreview = findUrlInMessage()
+
+                viewModelScope.launch(Dispatchers.IO) {
+                    delay(2000)
+                    urlPreview = findUrlInMessage()
+                }
             },
             onError = {
                 isUploadingImage = false
                 viewModelScope.launch {
-                    imageUploadingError.emit("Failed to upload the image")
+                    imageUploadingError.emit("Failed to upload the image / video")
                 }
             }
         )
     }
 
-    fun cancel() {
+    open fun cancel() {
         message = TextFieldValue("")
         urlPreview = null
         isUploadingImage = false
         mentions = null
+
+        wantsPoll = false
+        zapRecipients = mutableStateListOf<HexKey>()
+        pollOptions = newStateMapPollOptions()
+        valueMaximum = null
+        valueMinimum = null
+        consensusThreshold = null
+        closedAt = null
+
+        wantsInvoice = false
     }
 
-    fun findUrlInMessage(): String? {
+    open fun findUrlInMessage(): String? {
         return message.text.split('\n').firstNotNullOfOrNull { paragraph ->
             paragraph.split(' ').firstOrNull { word: String ->
                 isValidURL(word) || noProtocolUrlValidator.matcher(word).matches()
@@ -162,11 +153,11 @@ class NewPostViewModel : ViewModel() {
         }
     }
 
-    fun removeFromReplyList(it: User) {
+    open fun removeFromReplyList(it: User) {
         mentions = mentions?.minus(it)
     }
 
-    fun updateMessage(it: TextFieldValue) {
+    open fun updateMessage(it: TextFieldValue) {
         message = it
         urlPreview = findUrlInMessage()
 
@@ -181,11 +172,11 @@ class NewPostViewModel : ViewModel() {
         }
     }
 
-    fun autocompleteWithUser(item: User) {
+    open fun autocompleteWithUser(item: User) {
         userSuggestionAnchor?.let {
             val lastWord = message.text.substring(0, it.end).substringAfterLast("\n").substringAfterLast(" ")
             val lastWordStart = it.end - lastWord.length
-            val wordToInsert = "@${item.pubkeyNpub()} "
+            val wordToInsert = "@${item.pubkeyNpub()}"
 
             message = TextFieldValue(
                 message.text.replaceRange(lastWordStart, it.end, wordToInsert),
@@ -195,4 +186,13 @@ class NewPostViewModel : ViewModel() {
             userSuggestions = emptyList()
         }
     }
+
+    private fun newStateMapPollOptions(): SnapshotStateMap<Int, String> {
+        return mutableStateMapOf(Pair(0, ""), Pair(1, ""))
+    }
+
+    fun canPost(): Boolean {
+        return message.text.isNotBlank() && !isUploadingImage && !wantsInvoice &&
+            (!wantsPoll || pollOptions.values.all { it.isNotEmpty() })
+    }
 }

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

@@ -40,7 +40,6 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
@@ -58,12 +57,10 @@ import java.lang.Math.round
 @Composable
 fun NewRelayListView(onClose: () -> Unit, account: Account, relayToAdd: String = "") {
     val postViewModel: NewRelayListViewModel = viewModel()
-    val ctx = LocalContext.current.applicationContext
-
     val feedState by postViewModel.relays.collectAsState()
 
     LaunchedEffect(Unit) {
-        postViewModel.load(account, ctx)
+        postViewModel.load(account)
     }
 
     Dialog(
@@ -83,13 +80,13 @@ fun NewRelayListView(onClose: () -> Unit, account: Account, relayToAdd: String =
                     verticalAlignment = Alignment.CenterVertically
                 ) {
                     CloseButton(onCancel = {
-                        postViewModel.clear(ctx)
+                        postViewModel.clear()
                         onClose()
                     })
 
                     PostButton(
                         onPost = {
-                            postViewModel.create(ctx)
+                            postViewModel.create()
                             onClose()
                         },
                         true
@@ -153,27 +150,27 @@ fun ServerConfigHeader() {
 
             Column(Modifier.weight(1.4f)) {
                 Row(verticalAlignment = Alignment.CenterVertically) {
-                    Spacer(modifier = Modifier.size(25.dp))
+                    Spacer(modifier = Modifier.size(30.dp))
 
                     Text(
-                        text = stringResource(R.string.posts),
+                        text = stringResource(R.string.bytes),
                         maxLines = 1,
                         fontSize = 14.sp,
-                        modifier = Modifier.weight(1f),
+                        modifier = Modifier.weight(1.2f),
                         color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
                     )
 
-                    Spacer(modifier = Modifier.size(10.dp))
+                    Spacer(modifier = Modifier.size(5.dp))
 
                     Text(
-                        text = stringResource(id = R.string.posts),
+                        text = stringResource(id = R.string.bytes),
                         maxLines = 1,
                         fontSize = 14.sp,
-                        modifier = Modifier.weight(1f),
+                        modifier = Modifier.weight(1.2f),
                         color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
                     )
 
-                    Spacer(modifier = Modifier.size(10.dp))
+                    Spacer(modifier = Modifier.size(5.dp))
 
                     Text(
                         text = stringResource(R.string.errors),
@@ -186,7 +183,7 @@ fun ServerConfigHeader() {
                     Spacer(modifier = Modifier.size(5.dp))
 
                     Text(
-                        text = "Spam",
+                        text = stringResource(R.string.spam),
                         maxLines = 1,
                         fontSize = 14.sp,
                         modifier = Modifier.weight(1f),
@@ -374,10 +371,10 @@ fun ServerConfig(
                             }
 
                             Text(
-                                text = "${countToHumanReadable(item.downloadCount)}",
+                                text = "${countToHumanReadable(item.downloadCountInBytes)}",
                                 maxLines = 1,
-                                fontSize = 14.sp,
-                                modifier = Modifier.weight(1f),
+                                fontSize = 12.sp,
+                                modifier = Modifier.weight(1.2f),
                                 color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
                             )
 
@@ -402,10 +399,10 @@ fun ServerConfig(
                             }
 
                             Text(
-                                text = "${countToHumanReadable(item.uploadCount)}",
+                                text = "${countToHumanReadable(item.uploadCountInBytes)}",
                                 maxLines = 1,
-                                fontSize = 14.sp,
-                                modifier = Modifier.weight(1f),
+                                fontSize = 12.sp,
+                                modifier = Modifier.weight(1.2f),
                                 color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
                             )
 
@@ -421,7 +418,7 @@ fun ServerConfig(
                             Text(
                                 text = "${countToHumanReadable(item.errorCount)}",
                                 maxLines = 1,
-                                fontSize = 14.sp,
+                                fontSize = 12.sp,
                                 modifier = Modifier.weight(1f),
                                 color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
                             )
@@ -436,7 +433,7 @@ fun ServerConfig(
                             Text(
                                 text = "${countToHumanReadable(item.spamCount)}",
                                 maxLines = 1,
-                                fontSize = 14.sp,
+                                fontSize = 12.sp,
                                 modifier = Modifier.weight(1f),
                                 color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
                             )

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

@@ -1,6 +1,5 @@
 package com.vitorpamplona.amethyst.ui.actions
 
-import android.content.Context
 import androidx.lifecycle.ViewModel
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.RelaySetupInfo
@@ -18,22 +17,22 @@ class NewRelayListViewModel : ViewModel() {
     private val _relays = MutableStateFlow<List<RelaySetupInfo>>(emptyList())
     val relays = _relays.asStateFlow()
 
-    fun load(account: Account, ctx: Context) {
+    fun load(account: Account) {
         this.account = account
-        clear(ctx)
+        clear()
     }
 
-    fun create(ctx: Context) {
+    fun create() {
         relays.let {
             account.saveRelayList(it.value)
         }
 
-        clear(ctx)
+        clear()
     }
 
-    fun clear(ctx: Context) {
+    fun clear() {
         _relays.update {
-            var relayFile = account.userProfile().relays
+            var relayFile = account.userProfile().latestContactList?.relays()
 
             // Ugly, but forces nostr.band as the only search-supporting relay today.
             // TODO: Remove when search becomes more available.
@@ -50,23 +49,23 @@ class NewRelayListViewModel : ViewModel() {
                     val localInfoFeedTypes = account.localRelays.filter { localRelay -> localRelay.url == it.key }.firstOrNull()?.feedTypes ?: FeedType.values().toSet()
 
                     val errorCounter = liveRelay?.errorCounter ?: 0
-                    val eventDownloadCounter = liveRelay?.eventDownloadCounter ?: 0
-                    val eventUploadCounter = liveRelay?.eventUploadCounter ?: 0
+                    val eventDownloadCounter = liveRelay?.eventDownloadCounterInBytes ?: 0
+                    val eventUploadCounter = liveRelay?.eventUploadCounterInBytes ?: 0
                     val spamCounter = liveRelay?.spamCounter ?: 0
 
                     RelaySetupInfo(it.key, it.value.read, it.value.write, errorCounter, eventDownloadCounter, eventUploadCounter, spamCounter, localInfoFeedTypes)
-                }.sortedBy { it.downloadCount }.reversed()
+                }.sortedBy { it.downloadCountInBytes }.reversed()
             } else {
                 account.localRelays.map {
                     val liveRelay = RelayPool.getRelay(it.url)
 
                     val errorCounter = liveRelay?.errorCounter ?: 0
-                    val eventDownloadCounter = liveRelay?.eventDownloadCounter ?: 0
-                    val eventUploadCounter = liveRelay?.eventUploadCounter ?: 0
+                    val eventDownloadCounter = liveRelay?.eventDownloadCounterInBytes ?: 0
+                    val eventUploadCounter = liveRelay?.eventUploadCounterInBytes ?: 0
                     val spamCounter = liveRelay?.spamCounter ?: 0
 
                     RelaySetupInfo(it.url, it.read, it.write, errorCounter, eventDownloadCounter, eventUploadCounter, spamCounter, it.feedTypes)
-                }.sortedBy { it.downloadCount }.reversed()
+                }.sortedBy { it.downloadCountInBytes }.reversed()
             }
         }
     }

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

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.ui.actions
 
+import android.widget.Toast
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
@@ -18,6 +19,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.input.KeyboardCapitalization
 import androidx.compose.ui.unit.dp
@@ -30,9 +32,14 @@ import com.vitorpamplona.amethyst.model.Account
 @Composable
 fun NewUserMetadataView(onClose: () -> Unit, account: Account) {
     val postViewModel: NewUserMetadataViewModel = viewModel()
+    val context = LocalContext.current
 
     LaunchedEffect(Unit) {
         postViewModel.load(account)
+
+        postViewModel.imageUploadingError.collect { error ->
+            Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
+        }
     }
 
     Dialog(
@@ -141,6 +148,15 @@ fun NewUserMetadataView(onClose: () -> Unit, account: Account) {
                                 color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
                             )
                         },
+                        leadingIcon = {
+                            UploadFromGallery(
+                                isUploading = postViewModel.isUploadingImageForPicture,
+                                tint = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+                                modifier = Modifier.padding(start = 5.dp)
+                            ) {
+                                postViewModel.uploadForPicture(it, context)
+                            }
+                        },
                         singleLine = true
                     )
 
@@ -157,6 +173,15 @@ fun NewUserMetadataView(onClose: () -> Unit, account: Account) {
                                 color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
                             )
                         },
+                        leadingIcon = {
+                            UploadFromGallery(
+                                isUploading = postViewModel.isUploadingImageForBanner,
+                                tint = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+                                modifier = Modifier.padding(start = 5.dp)
+                            ) {
+                                postViewModel.uploadForBanner(it, context)
+                            }
+                        },
                         singleLine = true
                     )
 

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

@@ -1,13 +1,20 @@
 package com.vitorpamplona.amethyst.ui.actions
 
+import android.content.Context
+import android.net.Uri
+import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.databind.node.ObjectNode
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.service.model.GitHubIdentity
 import com.vitorpamplona.amethyst.service.model.MastodonIdentity
 import com.vitorpamplona.amethyst.service.model.TwitterIdentity
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.launch
 import java.io.ByteArrayInputStream
 import java.io.StringWriter
 
@@ -30,6 +37,10 @@ class NewUserMetadataViewModel : ViewModel() {
     val github = mutableStateOf("")
     val mastodon = mutableStateOf("")
 
+    var isUploadingImageForPicture by mutableStateOf(false)
+    var isUploadingImageForBanner by mutableStateOf(false)
+    val imageUploadingError = MutableSharedFlow<String?>()
+
     fun load(account: Account) {
         this.account = account
 
@@ -127,4 +138,49 @@ class NewUserMetadataViewModel : ViewModel() {
         github.value = ""
         mastodon.value = ""
     }
+
+    fun uploadForPicture(uri: Uri, context: Context) {
+        upload(
+            uri,
+            context,
+            onUploading = {
+                isUploadingImageForPicture = it
+            },
+            onUploaded = {
+                picture.value = it
+            }
+        )
+    }
+
+    fun uploadForBanner(uri: Uri, context: Context) {
+        upload(
+            uri,
+            context,
+            onUploading = {
+                isUploadingImageForBanner = it
+            },
+            onUploaded = {
+                banner.value = it
+            }
+        )
+    }
+
+    fun upload(it: Uri, context: Context, onUploading: (Boolean) -> Unit, onUploaded: (String) -> Unit) {
+        onUploading(true)
+
+        ImageUploader.uploadImage(
+            uri = it,
+            contentResolver = context.contentResolver,
+            onSuccess = { imageUrl ->
+                onUploading(false)
+                onUploaded(imageUrl)
+            },
+            onError = {
+                onUploading(false)
+                viewModelScope.launch {
+                    imageUploadingError.emit("Failed to upload the image / video")
+                }
+            }
+        )
+    }
 }

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

@@ -3,24 +3,39 @@ package com.vitorpamplona.amethyst.ui.actions
 import android.net.Uri
 import android.os.Build
 import androidx.activity.compose.rememberLauncherForActivityResult
-import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.animation.core.LinearEasing
+import androidx.compose.animation.core.animateFloat
+import androidx.compose.animation.core.infiniteRepeatable
+import androidx.compose.animation.core.rememberInfiniteTransition
+import androidx.compose.animation.core.tween
+import androidx.compose.foundation.border
 import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.AddPhotoAlternate
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.draw.rotate
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import com.google.accompanist.permissions.ExperimentalPermissionsApi
 import com.google.accompanist.permissions.isGranted
 import com.google.accompanist.permissions.rememberPermissionState
 import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.ui.GetMediaActivityResultContract
+import java.util.concurrent.atomic.AtomicBoolean
 
 @OptIn(ExperimentalPermissionsApi::class)
 @Composable
 fun UploadFromGallery(
     isUploading: Boolean,
+    tint: Color,
+    modifier: Modifier,
     onImageChosen: (Uri) -> Unit
 ) {
     val cameraPermissionState =
@@ -43,64 +58,111 @@ fun UploadFromGallery(
                     }
                 }
             )
-        } else {
-            Box() {
-                TextButton(
-                    modifier = Modifier
-                        .align(Alignment.TopCenter),
-                    enabled = !isUploading,
-                    onClick = {
-                        showGallerySelect = true
-                    }
-                ) {
-                    Icon(
-                        painter = painterResource(id = R.drawable.ic_add_photo),
-                        contentDescription = stringResource(id = R.string.upload_image),
-                        modifier = Modifier
-                            .height(20.dp)
-                            .padding(end = 8.dp),
-                        tint = MaterialTheme.colors.primary
-                    )
+        }
 
-                    if (!isUploading) {
-                        Text(stringResource(R.string.upload_image))
-                    } else {
-                        Text(stringResource(R.string.uploading))
-                    }
-                }
-            }
+        UploadBoxButton(isUploading, tint, modifier) {
+            showGallerySelect = true
         }
     } else {
-        Column {
-            Button(
-                onClick = { cameraPermissionState.launchPermissionRequest() },
-                enabled = !isUploading
-            ) {
-                if (!isUploading) {
-                    Text(stringResource(R.string.upload_image))
-                } else {
-                    Text(stringResource(R.string.uploading))
-                }
+        UploadBoxButton(isUploading, tint, modifier) {
+            cameraPermissionState.launchPermissionRequest()
+        }
+    }
+}
+
+@Composable
+private fun UploadBoxButton(
+    isUploading: Boolean,
+    tint: Color,
+    modifier: Modifier,
+    onClick: () -> Unit
+) {
+    Box() {
+        IconButton(
+            modifier = modifier.align(Alignment.Center),
+            enabled = !isUploading,
+            onClick = {
+                onClick()
+            }
+        ) {
+            if (!isUploading) {
+                Icon(
+                    imageVector = Icons.Default.AddPhotoAlternate,
+                    contentDescription = stringResource(id = R.string.upload_image),
+                    modifier = Modifier.height(25.dp),
+                    tint = tint
+                )
+            } else {
+                LoadingAnimation()
             }
         }
     }
 }
 
+@Composable
+fun LoadingAnimation(
+    indicatorSize: Dp = 20.dp,
+    circleColors: List<Color> = listOf(
+        Color(0xFF5851D8),
+        Color(0xFF833AB4),
+        Color(0xFFC13584),
+        Color(0xFFE1306C),
+        Color(0xFFFD1D1D),
+        Color(0xFFF56040),
+        Color(0xFFF77737),
+        Color(0xFFFCAF45),
+        Color(0xFFFFDC80),
+        Color(0xFF5851D8)
+    ),
+    animationDuration: Int = 1000
+) {
+    val infiniteTransition = rememberInfiniteTransition()
+
+    val rotateAnimation by infiniteTransition.animateFloat(
+        initialValue = 0f,
+        targetValue = 360f,
+        animationSpec = infiniteRepeatable(
+            animation = tween(
+                durationMillis = animationDuration,
+                easing = LinearEasing
+            )
+        )
+    )
+
+    CircularProgressIndicator(
+        modifier = Modifier
+            .size(size = indicatorSize)
+            .rotate(degrees = rotateAnimation)
+            .border(
+                width = 4.dp,
+                brush = Brush.sweepGradient(circleColors),
+                shape = CircleShape
+            ),
+        progress = 1f,
+        strokeWidth = 1.dp,
+        color = MaterialTheme.colors.background // Set background color
+    )
+}
+
 @Composable
 fun GallerySelect(
     onImageUri: (Uri?) -> Unit = { }
 ) {
+    var hasLaunched by remember { mutableStateOf(AtomicBoolean(false)) }
     val launcher = rememberLauncherForActivityResult(
-        contract = ActivityResultContracts.GetContent(),
+        contract = GetMediaActivityResultContract(),
         onResult = { uri: Uri? ->
             onImageUri(uri)
+            hasLaunched.set(false)
         }
     )
 
     @Composable
     fun LaunchGallery() {
         SideEffect {
-            launcher.launch("image/*")
+            if (!hasLaunched.getAndSet(true)) {
+                launcher.launch("*/*")
+            }
         }
     }
 

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

@@ -0,0 +1,97 @@
+package com.vitorpamplona.amethyst.ui.buttons
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material.ButtonDefaults
+import androidx.compose.material.Icon
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.OutlinedButton
+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.unit.dp
+import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.service.NostrAccountDataSource
+import com.vitorpamplona.amethyst.ui.actions.NewPollView
+import com.vitorpamplona.amethyst.ui.actions.NewPostView
+
+@Composable
+fun FabColumn(account: Account) {
+    var isOpen by remember {
+        mutableStateOf(false)
+    }
+    var wantsToPoll by remember {
+        mutableStateOf(false)
+    }
+    var wantsToPost by remember {
+        mutableStateOf(false)
+    }
+
+    Column() {
+        if (isOpen) {
+            OutlinedButton(
+                onClick = {
+                    wantsToPoll = true
+                    isOpen = false
+                },
+                modifier = Modifier.size(45.dp),
+                shape = CircleShape,
+                colors = ButtonDefaults.outlinedButtonColors(backgroundColor = MaterialTheme.colors.primary),
+                contentPadding = PaddingValues(0.dp)
+            ) {
+                Icon(
+                    painter = painterResource(R.drawable.ic_poll),
+                    null,
+                    modifier = Modifier.size(26.dp),
+                    tint = Color.White
+                )
+            }
+
+            Spacer(modifier = Modifier.height(20.dp))
+
+            OutlinedButton(
+                onClick = {
+                    wantsToPost = true
+                    isOpen = false
+                },
+                modifier = Modifier.size(45.dp),
+                shape = CircleShape,
+                colors = ButtonDefaults.outlinedButtonColors(backgroundColor = MaterialTheme.colors.primary),
+                contentPadding = PaddingValues(0.dp)
+            ) {
+                Icon(
+                    painter = painterResource(R.drawable.ic_lists),
+                    null,
+                    modifier = Modifier.size(26.dp),
+                    tint = Color.White
+                )
+            }
+
+            Spacer(modifier = Modifier.height(20.dp))
+        }
+        OutlinedButton(
+            onClick = { isOpen = !isOpen },
+            modifier = Modifier.size(55.dp),
+            shape = CircleShape,
+            colors = ButtonDefaults.outlinedButtonColors(backgroundColor = MaterialTheme.colors.primary),
+            contentPadding = PaddingValues(0.dp)
+        ) {
+            Icon(
+                painter = painterResource(R.drawable.ic_compose),
+                null,
+                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

@@ -1,4 +1,4 @@
-package com.vitorpamplona.amethyst.buttons
+package com.vitorpamplona.amethyst.ui.buttons
 
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.size

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

@@ -0,0 +1,46 @@
+package com.vitorpamplona.amethyst.ui.components
+
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.NonCancellable
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.util.concurrent.atomic.AtomicBoolean
+
+/**
+ * This class is designed to have a waiting time between two calls of invalidate
+ */
+class BundledUpdate(
+    val delay: Long,
+    val dispatcher: CoroutineDispatcher = Dispatchers.Default,
+    val onUpdate: () -> Unit
+) {
+    private var onlyOneInBlock = AtomicBoolean()
+    private var invalidatesAgain = false
+
+    fun invalidate() {
+        if (onlyOneInBlock.getAndSet(true)) {
+            invalidatesAgain = true
+            return
+        }
+
+        val scope = CoroutineScope(Job() + dispatcher)
+        scope.launch {
+            try {
+                onUpdate()
+                delay(delay)
+                if (invalidatesAgain) {
+                    onUpdate()
+                }
+            } finally {
+                withContext(NonCancellable) {
+                    invalidatesAgain = false
+                    onlyOneInBlock.set(false)
+                }
+            }
+        }
+    }
+}

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

@@ -11,12 +11,12 @@ import com.vitorpamplona.amethyst.ui.note.toShortenHex
 
 @Composable
 fun ClickableNoteTag(
-    baesNote: Note,
+    baseNote: Note,
     navController: NavController
 ) {
     ClickableText(
-        text = AnnotatedString("@${baesNote.idNote().toShortenHex()} "),
-        onClick = { navController.navigate("Note/${baesNote.idHex}") },
+        text = AnnotatedString("@${baseNote.idNote().toShortenHex()}"),
+        onClick = { navController.navigate("Note/${baseNote.idHex}") },
         style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
     )
 }

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

@@ -7,10 +7,12 @@ import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.buildAnnotatedString
+import androidx.compose.ui.text.withStyle
 import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
+import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.service.nip19.Nip19
 
 @Composable
@@ -24,58 +26,72 @@ fun ClickableRoute(
         val userState by userBase.live().metadata.observeAsState()
         val user = userState?.user ?: return
 
-        val route = "User/${nip19.hex}"
-        val text = user.toBestDisplayName()
-
-        ClickableText(
-            text = AnnotatedString("@$text "),
-            onClick = { navController.navigate(route) },
-            style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
-        )
+        CreateClickableText(user.toBestDisplayName(), nip19.additionalChars, "User/${nip19.hex}", navController)
     } else if (nip19.type == Nip19.Type.ADDRESS) {
         val noteBase = LocalCache.checkGetOrCreateAddressableNote(nip19.hex)
 
         if (noteBase == null) {
             Text(
-                "@${nip19.hex} "
+                "@${nip19.hex}${nip19.additionalChars} "
             )
         } else {
             val noteState by noteBase.live().metadata.observeAsState()
             val note = noteState?.note ?: return
 
-            ClickableText(
-                text = AnnotatedString("@${note.idDisplayNote()} "),
-                onClick = { navController.navigate("Note/${nip19.hex}") },
-                style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
-            )
+            CreateClickableText(note.idDisplayNote(), nip19.additionalChars, "Note/${nip19.hex}", navController)
         }
     } else if (nip19.type == Nip19.Type.NOTE) {
         val noteBase = LocalCache.getOrCreateNote(nip19.hex)
         val noteState by noteBase.live().metadata.observeAsState()
         val note = noteState?.note ?: return
+        val channel = note.channel()
 
         if (note.event is ChannelCreateEvent) {
-            ClickableText(
-                text = AnnotatedString("@${note.idDisplayNote()} "),
-                onClick = { navController.navigate("Channel/${nip19.hex}") },
-                style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
-            )
-        } else if (note.channel() != null) {
-            ClickableText(
-                text = AnnotatedString("@${note.channel()?.toBestDisplayName()} "),
-                onClick = { navController.navigate("Channel/${note.channel()?.idHex}") },
-                style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
-            )
+            CreateClickableText(note.idDisplayNote(), nip19.additionalChars, "Channel/${nip19.hex}", navController)
+        } else if (note.event is PrivateDmEvent) {
+            CreateClickableText(note.idDisplayNote(), nip19.additionalChars, "Room/${note.author?.pubkeyHex}", navController)
+        } else if (channel != null) {
+            CreateClickableText(channel.toBestDisplayName(), nip19.additionalChars, "Channel/${note.channel()?.idHex}", navController)
         } else {
-            ClickableText(
-                text = AnnotatedString("@${note.idDisplayNote()} "),
-                onClick = { navController.navigate("Note/${nip19.hex}") },
-                style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
-            )
+            CreateClickableText(note.idDisplayNote(), nip19.additionalChars, "Note/${nip19.hex}", navController)
+        }
+    } else if (nip19.type == Nip19.Type.EVENT) {
+        val noteBase = LocalCache.getOrCreateNote(nip19.hex)
+        val noteState by noteBase.live().metadata.observeAsState()
+        val note = noteState?.note ?: return
+        val channel = note.channel()
+
+        if (note.event is ChannelCreateEvent) {
+            CreateClickableText(note.idDisplayNote(), nip19.additionalChars, "Channel/${nip19.hex}", navController)
+        } else if (note.event is PrivateDmEvent) {
+            CreateClickableText(note.idDisplayNote(), nip19.additionalChars, "Room/${note.author?.pubkeyHex}", navController)
+        } else if (channel != null) {
+            CreateClickableText(channel.toBestDisplayName(), nip19.additionalChars, "Channel/${note.channel()?.idHex}", navController)
+        } else {
+            CreateClickableText(note.idDisplayNote(), nip19.additionalChars, "Event/${nip19.hex}", navController)
         }
     } else {
         Text(
-            "@${nip19.hex} "
+            "@${nip19.hex}${nip19.additionalChars} "
         )
     }
 }
+
+@Composable
+fun CreateClickableText(clickablePart: String, suffix: String, route: String, navController: NavController) {
+    ClickableText(
+        text = buildAnnotatedString {
+            withStyle(
+                LocalTextStyle.current.copy(color = MaterialTheme.colors.primary).toSpanStyle()
+            ) {
+                append("@$clickablePart")
+            }
+            withStyle(
+                LocalTextStyle.current.copy(color = MaterialTheme.colors.onBackground).toSpanStyle()
+            ) {
+                append("$suffix ")
+            }
+        },
+        onClick = { navController.navigate(route) }
+    )
+}

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

@@ -12,7 +12,7 @@ fun ClickableUrl(urlText: String, url: String) {
     val uri = LocalUriHandler.current
 
     ClickableText(
-        text = AnnotatedString("$urlText "),
+        text = AnnotatedString(urlText),
         onClick = { runCatching { uri.openUri(url) } },
         style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
     )

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

@@ -17,7 +17,7 @@ fun ClickableUserTag(
 ) {
     val innerUserState by user.live().metadata.observeAsState()
     ClickableText(
-        text = AnnotatedString("@${innerUserState?.user?.toBestDisplayName()} "),
+        text = AnnotatedString("@${innerUserState?.user?.toBestDisplayName()}"),
         onClick = { navController.navigate("User/${innerUserState?.user?.pubkeyHex}") },
         style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
     )

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

@@ -0,0 +1,51 @@
+package com.vitorpamplona.amethyst.ui.components
+
+import android.content.Intent
+import android.net.Uri
+import androidx.compose.foundation.text.ClickableText
+import androidx.compose.material.LocalTextStyle
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Text
+import androidx.compose.runtime.*
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.style.TextDirection
+import androidx.core.content.ContextCompat
+import com.vitorpamplona.amethyst.service.lnurl.LnWithdrawalUtil
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+
+@Composable
+fun MayBeWithdrawal(lnurlWord: String) {
+    var lnWithdrawal by remember { mutableStateOf<String?>(null) }
+
+    LaunchedEffect(key1 = lnurlWord) {
+        withContext(Dispatchers.IO) {
+            lnWithdrawal = LnWithdrawalUtil.findWithdrawal(lnurlWord)
+        }
+    }
+
+    lnWithdrawal?.let {
+        ClickableWithdrawal(withdrawalString = it)
+    }
+        ?: Text(
+            text = "$lnurlWord ",
+            style = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
+        )
+}
+
+@Composable
+fun ClickableWithdrawal(withdrawalString: String) {
+    val context = LocalContext.current
+
+    ClickableText(
+        text = AnnotatedString("$withdrawalString "),
+        onClick = {
+            runCatching {
+                val intent = Intent(Intent.ACTION_VIEW, Uri.parse("lightning:$withdrawalString"))
+                ContextCompat.startActivity(context, intent, null)
+            }
+        },
+        style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary)
+    )
+}

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

@@ -26,7 +26,6 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.service.lnurl.LnInvoiceUtil
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 
 const val SHORT_TEXT_LENGTH = 350
@@ -43,35 +42,35 @@ fun ExpandableRichTextViewer(
 ) {
     var showFullText by remember { mutableStateOf(false) }
 
+    // Cuts the text in the first space after 350
+    val firstSpaceAfterCut = content.indexOf(' ', SHORT_TEXT_LENGTH).let { if (it < 0) content.length else it }
+    val firstNewLineAfterCut = content.indexOf('\n', SHORT_TEXT_LENGTH).let { if (it < 0) content.length else it }
+
+    val whereToCut = minOf(firstSpaceAfterCut, firstNewLineAfterCut)
+
     val text = if (showFullText) {
         content
     } else {
-        val (lnStart, lnEnd) = LnInvoiceUtil.locateInvoice(content)
-        if (lnStart < SHORT_TEXT_LENGTH && lnEnd > 0) {
-            content.take(lnEnd)
-        } else {
-            content.take(SHORT_TEXT_LENGTH)
-        }
+        content.take(whereToCut)
     }
 
-    Box(contentAlignment = Alignment.BottomCenter) {
-        // CompositionLocalProvider(LocalLayoutDirection provides LayoutDirection.Rtl) {
+    Box {
         RichTextViewer(
             text,
             canPreview,
-            modifier,
+            modifier.align(Alignment.TopStart),
             tags,
             backgroundColor,
             accountViewModel,
             navController
         )
-        // }
 
-        if (content.length > 350 && !showFullText) {
+        if (content.length > whereToCut && !showFullText) {
             Row(
                 verticalAlignment = Alignment.CenterVertically,
                 horizontalArrangement = Arrangement.Center,
                 modifier = Modifier
+                    .align(Alignment.BottomCenter)
                     .fillMaxWidth()
                     .background(
                         brush = Brush.verticalGradient(