v0.74.2

- Creates a Benchmark Module to test Performance
- Migrates from GSon to Jackson for Performance Gains, adapts all serializers accordingly
- Recreates Hex encoding/decoding classes for Performance.
- Migrates NIP24 to the new ByteArray Concat encoding.
- Removes support for Lenient choices in the. events.
- Reorganizes Nostr Events dependencies.
- Refactors TLV's and NIP-19 dependencies.
- Adds a Large DB for signature checks.

.github/workflows/create-release.yml

@@ -76,7 +76,7 @@ jobs:
           tag_name: ${{ github.ref }}
           release_name: Release ${{ github.ref }}
           draft: false
-          prerelease: false
+          prerelease: true
 
       # Google Play APK
       - name: Upload Play APK Universal Asset
@@ -86,7 +86,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: app/build/outputs/apk/play/release/app-play-universal-release-signed.apk
+          asset_path: app/build/outputs/apk/play/release/app-play-universal-release-unsigned-signed.apk
           asset_name: amethyst-googleplay-universal-${{ github.ref_name }}.apk
           asset_content_type: application/zip
 
@@ -97,7 +97,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: app/build/outputs/apk/play/release/app-play-x86-release-signed.apk
+          asset_path: app/build/outputs/apk/play/release/app-play-x86-release-unsigned-signed.apk
           asset_name: amethyst-googleplay-x86-${{ github.ref_name }}.apk
           asset_content_type: application/zip
 
@@ -108,7 +108,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: app/build/outputs/apk/play/release/app-play-x86_64-release-signed.apk
+          asset_path: app/build/outputs/apk/play/release/app-play-x86_64-release-unsigned-signed.apk
           asset_name: amethyst-googleplay-x86_64-${{ github.ref_name }}.apk
           asset_content_type: application/zip
 
@@ -120,7 +120,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: app/build/outputs/apk/fdroid/release/app-fdroid-universal-release-signed.apk
+          asset_path: app/build/outputs/apk/fdroid/release/app-fdroid-universal-release-unsigned-signed.apk
           asset_name: amethyst-fdroid-universal-${{ github.ref_name }}.apk
           asset_content_type: application/zip
 
@@ -131,7 +131,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: app/build/outputs/apk/fdroid/release/app-fdroid-x86-release-signed.apk
+          asset_path: app/build/outputs/apk/fdroid/release/app-fdroid-x86-release-unsigned-signed.apk
           asset_name: amethyst-fdroid-x86-${{ github.ref_name }}.apk
           asset_content_type: application/zip
 
@@ -142,7 +142,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: app/build/outputs/apk/fdroid/release/app-fdroid-x86_64-release-signed.apk
+          asset_path: app/build/outputs/apk/fdroid/release/app-fdroid-x86_64-release-unsigned-signed.apk
           asset_name: amethyst-fdroid-x86_64-${{ github.ref_name }}.apk
           asset_content_type: application/zip
 

.idea/.gitignore

@@ -1,3 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml

.idea/.name

@@ -1 +0,0 @@
-Amethyst

.idea/inspectionProfiles/Project_Default.xml

@@ -1,40 +0,0 @@
-<component name="InspectionProjectProfileManager">
-  <profile version="1.0">
-    <option name="myName" value="Project Default" />
-    <inspection_tool class="PreviewAnnotationInFunctionWithParameters" enabled="true" level="ERROR" enabled_by_default="true">
-      <option name="composableFile" value="true" />
-      <option name="previewFile" value="true" />
-    </inspection_tool>
-    <inspection_tool class="PreviewApiLevelMustBeValid" enabled="true" level="ERROR" enabled_by_default="true">
-      <option name="composableFile" value="true" />
-    </inspection_tool>
-    <inspection_tool class="PreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
-      <option name="composableFile" value="true" />
-      <option name="previewFile" value="true" />
-    </inspection_tool>
-    <inspection_tool class="PreviewFontScaleMustBeGreaterThanZero" enabled="true" level="ERROR" enabled_by_default="true">
-      <option name="composableFile" value="true" />
-      <option name="previewFile" value="true" />
-    </inspection_tool>
-    <inspection_tool class="PreviewMultipleParameterProviders" enabled="true" level="ERROR" enabled_by_default="true">
-      <option name="composableFile" value="true" />
-      <option name="previewFile" value="true" />
-    </inspection_tool>
-    <inspection_tool class="PreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
-      <option name="composableFile" value="true" />
-      <option name="previewFile" value="true" />
-    </inspection_tool>
-    <inspection_tool class="PreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
-      <option name="composableFile" value="true" />
-      <option name="previewFile" value="true" />
-    </inspection_tool>
-    <inspection_tool class="PreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
-      <option name="composableFile" value="true" />
-      <option name="previewFile" value="true" />
-    </inspection_tool>
-    <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
-      <option name="composableFile" value="true" />
-      <option name="previewFile" value="true" />
-    </inspection_tool>
-  </profile>
-</component>

README.md

@@ -75,10 +75,13 @@ height="80">](https://github.com/vitorpamplona/amethyst/releases)
 - [x] Relay Pages (NIP-11)
 - [x] HTTP Auth (NIP-98)
 - [x] Zapraiser (NIP-TBD)
-- [x] Moderated Communities (NIP-172)
+- [x] Moderated Communities (NIP-72)
 - [x] Emoji Packs (Kind:30030)
 - [x] Personal Emoji Lists (Kind:10030)
 - [x] Classifieds (Kind:30403)
+- [x] Private Messages and Small Groups (NIP-24)
+- [x] Gift Wraps & Seals (NIP-59)
+- [x] Versioned Encrypted Payloads (NIP-44)
 - [ ] Marketplace (NIP-15)
 - [ ] Image/Video Capture in the app
 - [ ] Local Database

app/build.gradle

@@ -1,20 +1,20 @@
 plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
-    id 'org.jlleitschuh.gradle.ktlint' version "11.5.0"
+    id 'org.jlleitschuh.gradle.ktlint' version "11.5.1"
     id 'com.google.gms.google-services'
 }
 
 android {
     namespace 'com.vitorpamplona.amethyst'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         applicationId "com.vitorpamplona.amethyst"
         minSdk 26
-        targetSdk 33
-        versionCode 268
-        versionName "0.72.1"
+        targetSdk 34
+        versionCode 275
+        versionName "0.74.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
@@ -25,7 +25,7 @@ android {
 
     buildTypes {
         release {
-            signingConfig signingConfigs.debug
+            //signingConfig signingConfigs.debug
             proguardFiles getDefaultProguardFile("proguard-android-optimize.txt"), 'proguard-rules.pro'
             minifyEnabled true
             resValue "string", "app_name", "@string/app_name_release"
@@ -87,6 +87,7 @@ android {
 }
 
 dependencies {
+    implementation project(path: ':quartz')
     implementation 'androidx.core:core-ktx:1.10.1'
     implementation 'androidx.activity:activity-compose:1.7.2'
     implementation "androidx.compose.ui:ui:$compose_ui_version"
@@ -115,16 +116,9 @@ dependencies {
     // Biometrics
     implementation "androidx.biometric:biometric-ktx:1.2.0-alpha05"
 
-    // Bitcoin secp256k1 bindings to Android
-    implementation 'fr.acinq.secp256k1:secp256k1-kmp-jni-android:0.10.1'
-
     // Websockets API
     implementation 'com.squareup.okhttp3:okhttp:5.0.0-alpha.11'
 
-    // Json Serialization TODO: We might need to converge between gson and Jackson (we are usin both)
-    implementation 'com.fasterxml.jackson.module:jackson-module-kotlin:2.15.2'
-    implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
-
     // link preview
     implementation 'org.jsoup:jsoup:1.16.1'
 
@@ -149,9 +143,6 @@ dependencies {
     // Permission to upload pictures:
     implementation "com.google.accompanist:accompanist-permissions:$accompanist_version"
 
-    // Parses URLs from Text:
-    implementation "io.github.url-detector:url-detector:0.1.23"
-
     // For QR generation
     implementation 'com.google.zxing:core:3.5.2'
     implementation 'com.journeyapps:zxing-android-embedded:4.3.0'
@@ -179,7 +170,7 @@ dependencies {
     playImplementation 'com.google.mlkit:translate:17.0.1'
 
     // PushNotifications
-    playImplementation platform('com.google.firebase:firebase-bom:32.2.0')
+    playImplementation platform('com.google.firebase:firebase-bom:32.2.2')
     playImplementation 'com.google.firebase:firebase-messaging-ktx'
 
     // Charts
@@ -188,15 +179,11 @@ dependencies {
     implementation "com.patrykandpatrick.vico:views:${vico_version}"
     implementation "com.patrykandpatrick.vico:compose-m2:${vico_version}"
 
-    // immutable collections to avoid recomposition
-    implementation("org.jetbrains.kotlinx:kotlinx-collections-immutable:0.3.5")
-
     // GeoHash
     implementation 'com.github.drfonfon:android-kotlin-geohash:1.0'
 
-    // LibSodium for XChaCha encryption
-    implementation "com.goterl:lazysodium-android:5.1.0@aar"
-    implementation 'net.java.dev.jna:jna:5.13.0@aar'
+    // Waveform visualizer
+    implementation 'com.github.lincollincol:compose-audiowaveform:1.1.1'
 
     // Video compression lib
     implementation 'com.github.AbedElazizShe:LightCompressor:1.3.1'
@@ -204,7 +191,7 @@ dependencies {
     implementation 'id.zelory:compressor:3.0.1'
 
     testImplementation 'junit:junit:4.13.2'
-    testImplementation 'io.mockk:mockk:1.13.5'
+    testImplementation 'io.mockk:mockk:1.13.7'
     androidTestImplementation 'androidx.test.ext:junit:1.2.0-alpha01'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
     androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose_ui_version"

app/proguard-rules.pro

@@ -30,23 +30,31 @@
 # preserve access to native classses
 -keep class fr.acinq.secp256k1.** { *; }
 
-# GSON parsing
--keep class com.vitorpamplona.amethyst.service.model.** { *; }
--keep class com.vitorpamplona.amethyst.model.** { *; }
--keep class com.vitorpamplona.amethyst.service.** { *; }
+# JNA For Libsodium
+-keep class com.goterl.lazysodium.** { *; }
 
-# Prevent proguard from stripping interface information from TypeAdapter, TypeAdapterFactory,
-# JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)
--keep class * extends com.google.gson.TypeAdapter
--keep class * implements com.google.gson.TypeAdapterFactory
--keep class * implements com.google.gson.JsonSerializer
--keep class * implements com.google.gson.JsonDeserializer
-
-# Prevent R8 from leaving Data object members always null
--keepclassmembers,allowobfuscation class * {
-  @com.google.gson.annotations.SerializedName <fields>;
+# JNA also requires AWT, which Android does not have. So the classes are broken down to filter AWT out
+-keep class com.sun.jna.ToNativeConverter { *; }
+-keep class com.sun.jna.NativeMapped { *; }
+-keep class com.sun.jna.CallbackReference { *; }
+-keep class com.sun.jna.ptr.IntByReference { *; }
+-keep class com.sun.jna.NativeLong { *; }
+-keep class com.sun.jna.Structure { *; }
+-keep class com.sun.jna.Structure$* { *; }
+-keep class com.sun.jna.Native$ffi_callback { *; }
+-keep class * implements com.sun.jna.Structure$* { *; }
+-keep class * implements com.sun.jna.Native$* { *; }
+-keep class com.sun.jna.Native {
+    private static com.sun.jna.NativeMapped fromNative(java.lang.Class, java.lang.Object);
+    private static com.sun.jna.NativeMapped fromNative(java.lang.reflect.Method, java.lang.Object);
+    private static java.lang.Class nativeType(java.lang.Class);
+    private static java.lang.Object toNative(com.sun.jna.ToNativeConverter, java.lang.Object);
+    private static java.lang.Object fromNative(com.sun.jna.FromNativeConverter, java.lang.Object, java.lang.reflect.Method);
 }
 
-# Retain generic signatures of TypeToken and its subclasses with R8 version 3.0 and higher.
--keep,allowobfuscation,allowshrinking class com.google.gson.reflect.TypeToken
--keep,allowobfuscation,allowshrinking class * extends com.google.gson.reflect.TypeToken
+# JSON parsing
+-keep class com.vitorpamplona.quartz.crypto.** { *; }
+-keep class com.vitorpamplona.quartz.encoders.** { *; }
+-keep class com.vitorpamplona.quartz.events.** { *; }
+-keep class com.vitorpamplona.amethyst.model.** { *; }
+-keep class com.vitorpamplona.amethyst.service.** { *; }

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

@@ -1,113 +1,78 @@
 package com.vitorpamplona.amethyst
 
 import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.ui.actions.FileServer
 import com.vitorpamplona.amethyst.ui.actions.ImageUploader
 import com.vitorpamplona.amethyst.ui.actions.ImgurServer
 import com.vitorpamplona.amethyst.ui.actions.NostrBuildServer
 import com.vitorpamplona.amethyst.ui.actions.NostrFilesDevServer
 import com.vitorpamplona.amethyst.ui.actions.NostrImgServer
-import junit.framework.TestCase.assertNotNull
-import junit.framework.TestCase.fail
-import kotlinx.coroutines.delay
+import com.vitorpamplona.quartz.crypto.KeyPair
 import kotlinx.coroutines.runBlocking
+import org.junit.Assert
 import org.junit.Test
 import org.junit.runner.RunWith
 import java.util.Base64
+import java.util.concurrent.CountDownLatch
 
 @RunWith(AndroidJUnit4::class)
 class ImageUploadTesting {
 
     val image = "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"
 
-    @Test()
-    fun testImgurUpload() = runBlocking {
+    fun testBase(server: FileServer) {
         val bytes = Base64.getDecoder().decode(image)
         val inputStream = bytes.inputStream()
 
+        val countDownLatch = CountDownLatch(1)
+        var url: String? = null
+        var error: String? = null
+
+        ImageUploader.account = Account(
+            KeyPair()
+        )
+
         ImageUploader.uploadImage(
             inputStream,
             bytes.size.toLong(),
             "image/gif",
-            ImgurServer(),
-            onSuccess = { url, contentType ->
+            server,
+            onSuccess = { newUrl, contentType ->
                 println("Uploaded to $url")
-                assertNotNull(url)
+                url = newUrl
+                countDownLatch.countDown()
             },
             onError = {
                 println("Failed to Upload")
-                fail("${it.message}")
+                error = it.message
+                countDownLatch.countDown()
             }
         )
 
-        delay(5000)
+        countDownLatch.await()
+
+        Assert.assertNull(error)
+        Assert.assertTrue(url?.startsWith("http") == true)
+    }
+
+    @Test()
+    fun testImgurUpload() = runBlocking {
+        testBase(ImgurServer())
     }
 
     @Test()
     fun testNostrBuildUpload() = runBlocking {
-        val bytes = Base64.getDecoder().decode(image)
-        val inputStream = bytes.inputStream()
-
-        ImageUploader.uploadImage(
-            inputStream,
-            bytes.size.toLong(),
-            "image/gif",
-            NostrBuildServer(),
-            onSuccess = { url, contentType ->
-                println("Uploaded to $url")
-                assertNotNull(url)
-            },
-            onError = {
-                println("Failed to Upload")
-                fail("${it.message}")
-            }
-        )
-
-        delay(1000)
+        testBase(NostrBuildServer())
     }
 
     @Test()
     fun testNostrImgUpload() = runBlocking {
-        val bytes = Base64.getDecoder().decode(image)
-        val inputStream = bytes.inputStream()
-
-        ImageUploader.uploadImage(
-            inputStream,
-            bytes.size.toLong(),
-            "image/gif",
-            NostrImgServer(),
-            onSuccess = { url, contentType ->
-                println("Uploaded to $url")
-                assertNotNull(url)
-            },
-            onError = {
-                println("Failed to Upload")
-                fail("${it.message}")
-            }
-        )
-
-        delay(1000)
+        testBase(NostrImgServer())
     }
 
     @Test()
     fun testNostrFilesDevUpload() = runBlocking {
-        val bytes = Base64.getDecoder().decode(image)
-        val inputStream = bytes.inputStream()
-
-        ImageUploader.uploadImage(
-            inputStream,
-            bytes.size.toLong(),
-            "image/gif",
-            NostrFilesDevServer(),
-            onSuccess = { url, contentType ->
-                println("Uploaded to $url")
-                assertNotNull(url)
-            },
-            onError = {
-                println("Failed to Upload")
-                fail("${it.message}")
-            }
-        )
-
-        delay(5000)
+        testBase(NostrFilesDevServer())
     }
 }

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

@@ -3,7 +3,7 @@ package com.vitorpamplona.amethyst
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.vitorpamplona.amethyst.service.RichTextParser
 import com.vitorpamplona.amethyst.service.RichTextViewerState
-import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
+import com.vitorpamplona.quartz.events.ImmutableListOfLists
 import org.junit.Assert
 import org.junit.Test
 import org.junit.runner.RunWith

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

@@ -5,10 +5,10 @@ import androidx.compose.ui.text.AnnotatedString
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
 import com.vitorpamplona.amethyst.model.LocalCache
-import com.vitorpamplona.amethyst.model.UserMetadata
-import com.vitorpamplona.amethyst.model.decodePublicKey
-import com.vitorpamplona.amethyst.model.toHexKey
 import com.vitorpamplona.amethyst.ui.actions.buildAnnotatedStringWithUrlHighlighting
+import com.vitorpamplona.quartz.encoders.decodePublicKey
+import com.vitorpamplona.quartz.encoders.toHexKey
+import com.vitorpamplona.quartz.events.UserMetadata
 import org.junit.Assert.assertEquals
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -29,7 +29,10 @@ class UrlUserTagTransformationTest {
 
     @Test
     fun transformationText() {
-        val user = LocalCache.getOrCreateUser(decodePublicKey("npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z").toHexKey())
+        val user = LocalCache.getOrCreateUser(
+            decodePublicKey("npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z")
+                .toHexKey()
+        )
         user.info = UserMetadata()
         user.info?.displayName = "Vitor Pamplona"
 
@@ -63,7 +66,10 @@ class UrlUserTagTransformationTest {
 
     @Test
     fun transformationTextTwoKeys() {
-        val user = LocalCache.getOrCreateUser(decodePublicKey("npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z").toHexKey())
+        val user = LocalCache.getOrCreateUser(
+            decodePublicKey("npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z")
+                .toHexKey()
+        )
         user.info = UserMetadata()
         user.info?.displayName = "Vitor Pamplona"
 

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

@@ -4,8 +4,8 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.MutableState
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import com.vitorpamplona.quartz.events.ImmutableListOfLists
 
 @Composable
 fun TranslatableRichTextViewer(

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

@@ -4,8 +4,7 @@ import android.annotation.SuppressLint
 import android.content.Context
 import android.content.SharedPreferences
 import androidx.compose.runtime.Immutable
-import com.google.gson.GsonBuilder
-import com.google.gson.reflect.TypeToken
+import com.fasterxml.jackson.module.kotlin.readValue
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.ConnectivityType
 import com.vitorpamplona.amethyst.model.GLOBAL_FOLLOWS
@@ -14,17 +13,16 @@ import com.vitorpamplona.amethyst.model.Nip47URI
 import com.vitorpamplona.amethyst.model.RelaySetupInfo
 import com.vitorpamplona.amethyst.model.ServersAvailable
 import com.vitorpamplona.amethyst.model.Settings
-import com.vitorpamplona.amethyst.model.hexToByteArray
 import com.vitorpamplona.amethyst.model.parseConnectivityType
-import com.vitorpamplona.amethyst.model.toHexKey
 import com.vitorpamplona.amethyst.service.HttpClient
-import com.vitorpamplona.amethyst.service.KeyPair
-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.service.model.LnZapEvent
-import com.vitorpamplona.amethyst.service.toNpub
-import fr.acinq.secp256k1.Hex
+import com.vitorpamplona.quartz.crypto.KeyPair
+import com.vitorpamplona.quartz.encoders.Hex
+import com.vitorpamplona.quartz.encoders.hexToByteArray
+import com.vitorpamplona.quartz.encoders.toHexKey
+import com.vitorpamplona.quartz.encoders.toNpub
+import com.vitorpamplona.quartz.events.ContactListEvent
+import com.vitorpamplona.quartz.events.Event
+import com.vitorpamplona.quartz.events.LnZapEvent
 import java.io.File
 import java.util.Locale
 
@@ -64,6 +62,7 @@ private object PrefKeys {
     const val LATEST_CONTACT_LIST = "latestContactList"
     const val HIDE_DELETE_REQUEST_DIALOG = "hide_delete_request_dialog"
     const val HIDE_BLOCK_ALERT_DIALOG = "hide_block_alert_dialog"
+    const val HIDE_NIP_24_WARNING_DIALOG = "hide_nip24_warning_dialog"
     const val USE_PROXY = "use_proxy"
     const val PROXY_PORT = "proxy_port"
     const val SHOW_SENSITIVE_CONTENT = "show_sensitive_content"
@@ -78,8 +77,6 @@ private object PrefKeys {
     val LAST_READ: (String) -> String = { route -> "last_read_route_$route" }
 }
 
-private val gson = GsonBuilder().create()
-
 object LocalPreferences {
     private const val comma = ","
 
@@ -216,27 +213,28 @@ object LocalPreferences {
             putStringSet(PrefKeys.FOLLOWING_CHANNELS, account.followingChannels)
             putStringSet(PrefKeys.FOLLOWING_COMMUNITIES, account.followingCommunities)
             putStringSet(PrefKeys.HIDDEN_USERS, account.hiddenUsers)
-            putString(PrefKeys.RELAYS, gson.toJson(account.localRelays))
+            putString(PrefKeys.RELAYS, Event.mapper.writeValueAsString(account.localRelays))
             putStringSet(PrefKeys.DONT_TRANSLATE_FROM, account.dontTranslateFrom)
-            putString(PrefKeys.LANGUAGE_PREFS, gson.toJson(account.languagePreferences))
+            putString(PrefKeys.LANGUAGE_PREFS, Event.mapper.writeValueAsString(account.languagePreferences))
             putString(PrefKeys.TRANSLATE_TO, account.translateTo)
-            putString(PrefKeys.ZAP_AMOUNTS, gson.toJson(account.zapAmountChoices))
-            putString(PrefKeys.REACTION_CHOICES, gson.toJson(account.reactionChoices))
-            putString(PrefKeys.DEFAULT_ZAPTYPE, gson.toJson(account.defaultZapType))
-            putString(PrefKeys.DEFAULT_FILE_SERVER, gson.toJson(account.defaultFileServer))
+            putString(PrefKeys.ZAP_AMOUNTS, Event.mapper.writeValueAsString(account.zapAmountChoices))
+            putString(PrefKeys.REACTION_CHOICES, Event.mapper.writeValueAsString(account.reactionChoices))
+            putString(PrefKeys.DEFAULT_ZAPTYPE, account.defaultZapType.name)
+            putString(PrefKeys.DEFAULT_FILE_SERVER, account.defaultFileServer.name)
             putString(PrefKeys.DEFAULT_HOME_FOLLOW_LIST, account.defaultHomeFollowList)
             putString(PrefKeys.DEFAULT_STORIES_FOLLOW_LIST, account.defaultStoriesFollowList)
             putString(PrefKeys.DEFAULT_NOTIFICATION_FOLLOW_LIST, account.defaultNotificationFollowList)
             putString(PrefKeys.DEFAULT_DISCOVERY_FOLLOW_LIST, account.defaultDiscoveryFollowList)
-            putString(PrefKeys.ZAP_PAYMENT_REQUEST_SERVER, gson.toJson(account.zapPaymentRequest))
-            putString(PrefKeys.LATEST_CONTACT_LIST, Event.gson.toJson(account.backupContactList))
+            putString(PrefKeys.ZAP_PAYMENT_REQUEST_SERVER, Event.mapper.writeValueAsString(account.zapPaymentRequest))
+            putString(PrefKeys.LATEST_CONTACT_LIST, Event.mapper.writeValueAsString(account.backupContactList))
             putBoolean(PrefKeys.HIDE_DELETE_REQUEST_DIALOG, account.hideDeleteRequestDialog)
+            putBoolean(PrefKeys.HIDE_NIP_24_WARNING_DIALOG, account.hideNIP24WarningDialog)
             putBoolean(PrefKeys.HIDE_BLOCK_ALERT_DIALOG, account.hideBlockAlertDialog)
             putBoolean(PrefKeys.USE_PROXY, account.proxy != null)
             putInt(PrefKeys.PROXY_PORT, account.proxyPort)
             putBoolean(PrefKeys.WARN_ABOUT_REPORTS, account.warnAboutPostsWithReports)
             putBoolean(PrefKeys.FILTER_SPAM_FROM_STRANGERS, account.filterSpamFromStrangers)
-            putString(PrefKeys.LAST_READ_PER_ROUTE, gson.toJson(account.lastReadPerRoute))
+            putString(PrefKeys.LAST_READ_PER_ROUTE, Event.mapper.writeValueAsString(account.lastReadPerRoute))
 
             if (account.showSensitiveContent == null) {
                 remove(PrefKeys.SHOW_SENSITIVE_CONTENT)
@@ -300,10 +298,10 @@ object LocalPreferences {
             val followingChannels = getStringSet(PrefKeys.FOLLOWING_CHANNELS, null) ?: setOf()
             val followingCommunities = getStringSet(PrefKeys.FOLLOWING_COMMUNITIES, null) ?: setOf()
             val hiddenUsers = getStringSet(PrefKeys.HIDDEN_USERS, emptySet()) ?: setOf()
-            val localRelays = gson.fromJson(
-                getString(PrefKeys.RELAYS, "[]"),
-                object : TypeToken<Set<RelaySetupInfo>>() {}.type
-            ) ?: setOf<RelaySetupInfo>()
+            val localRelays = getString(PrefKeys.RELAYS, "[]")?.let {
+                println("LocalRelays: $it")
+                Event.mapper.readValue<Set<RelaySetupInfo>?>(it)
+            } ?: setOf<RelaySetupInfo>()
 
             val dontTranslateFrom = getStringSet(PrefKeys.DONT_TRANSLATE_FROM, null) ?: setOf()
             val translateTo = getString(PrefKeys.TRANSLATE_TO, null) ?: Locale.getDefault().language
@@ -312,29 +310,25 @@ object LocalPreferences {
             val defaultNotificationFollowList = getString(PrefKeys.DEFAULT_NOTIFICATION_FOLLOW_LIST, null) ?: GLOBAL_FOLLOWS
             val defaultDiscoveryFollowList = getString(PrefKeys.DEFAULT_DISCOVERY_FOLLOW_LIST, null) ?: GLOBAL_FOLLOWS
 
-            val zapAmountChoices = gson.fromJson(
-                getString(PrefKeys.ZAP_AMOUNTS, "[]"),
-                object : TypeToken<List<Long>>() {}.type
-            ) ?: listOf(500L, 1000L, 5000L)
+            val zapAmountChoices = getString(PrefKeys.ZAP_AMOUNTS, "[]")?.let {
+                Event.mapper.readValue<List<Long>?>(it)
+            }?.ifEmpty { listOf(500L, 1000L, 5000L) } ?: listOf(500L, 1000L, 5000L)
 
-            val reactionChoices = gson.fromJson<List<String>>(
-                getString(PrefKeys.REACTION_CHOICES, "[]"),
-                object : TypeToken<List<String>>() {}.type
-            ).ifEmpty { listOf("+") } ?: listOf("+")
+            val reactionChoices = getString(PrefKeys.REACTION_CHOICES, "[]")?.let {
+                Event.mapper.readValue<List<String>?>(it)
+            }?.ifEmpty { listOf("+") } ?: listOf("+")
 
-            val defaultZapType = gson.fromJson(
-                getString(PrefKeys.DEFAULT_ZAPTYPE, "PUBLIC"),
-                object : TypeToken<LnZapEvent.ZapType>() {}.type
-            ) ?: LnZapEvent.ZapType.PUBLIC
+            val defaultZapType = getString(PrefKeys.DEFAULT_ZAPTYPE, "")?.let { serverName ->
+                LnZapEvent.ZapType.values().firstOrNull() { it.name == serverName }
+            } ?: LnZapEvent.ZapType.PUBLIC
 
-            val defaultFileServer = gson.fromJson(
-                getString(PrefKeys.DEFAULT_FILE_SERVER, "NOSTR_BUILD"),
-                object : TypeToken<ServersAvailable>() {}.type
-            ) ?: ServersAvailable.NOSTR_BUILD
+            val defaultFileServer = getString(PrefKeys.DEFAULT_FILE_SERVER, "")?.let { serverName ->
+                ServersAvailable.values().firstOrNull() { it.name == serverName }
+            } ?: ServersAvailable.NOSTR_BUILD
 
             val zapPaymentRequestServer = try {
                 getString(PrefKeys.ZAP_PAYMENT_REQUEST_SERVER, null)?.let {
-                    gson.fromJson(it, Nip47URI::class.java)
+                    Event.mapper.readValue<Nip47URI?>(it)
                 }
             } catch (e: Throwable) {
                 e.printStackTrace()
@@ -343,8 +337,7 @@ object LocalPreferences {
 
             val latestContactList = try {
                 getString(PrefKeys.LATEST_CONTACT_LIST, null)?.let {
-                    Event.gson.fromJson(it, Event::class.java)
-                        .getRefinedEvent(true) as ContactListEvent
+                    Event.fromJson(it) as ContactListEvent?
                 }
             } catch (e: Throwable) {
                 e.printStackTrace()
@@ -353,10 +346,7 @@ object LocalPreferences {
 
             val languagePreferences = try {
                 getString(PrefKeys.LANGUAGE_PREFS, null)?.let {
-                    gson.fromJson(
-                        it,
-                        object : TypeToken<Map<String, String>>() {}.type
-                    ) as Map<String, String>
+                    Event.mapper.readValue<Map<String, String>?>(it)
                 } ?: mapOf()
             } catch (e: Throwable) {
                 e.printStackTrace()
@@ -365,6 +355,7 @@ object LocalPreferences {
 
             val hideDeleteRequestDialog = getBoolean(PrefKeys.HIDE_DELETE_REQUEST_DIALOG, false)
             val hideBlockAlertDialog = getBoolean(PrefKeys.HIDE_BLOCK_ALERT_DIALOG, false)
+            val hideNIP24WarningDialog = getBoolean(PrefKeys.HIDE_NIP_24_WARNING_DIALOG, false)
             val useProxy = getBoolean(PrefKeys.USE_PROXY, false)
             val proxyPort = getInt(PrefKeys.PROXY_PORT, 9050)
             val proxy = HttpClient.initProxy(useProxy, "127.0.0.1", proxyPort)
@@ -379,10 +370,7 @@ object LocalPreferences {
 
             val lastReadPerRoute = try {
                 getString(PrefKeys.LAST_READ_PER_ROUTE, null)?.let {
-                    gson.fromJson(
-                        it,
-                        object : TypeToken<Map<String, Long>>() {}.type
-                    ) as Map<String, Long>
+                    Event.mapper.readValue<Map<String, Long>?>(it)
                 } ?: mapOf()
             } catch (e: Throwable) {
                 e.printStackTrace()
@@ -431,6 +419,7 @@ object LocalPreferences {
                 zapPaymentRequest = zapPaymentRequestServer,
                 hideDeleteRequestDialog = hideDeleteRequestDialog,
                 hideBlockAlertDialog = hideBlockAlertDialog,
+                hideNIP24WarningDialog = hideNIP24WarningDialog,
                 backupContactList = latestContactList,
                 proxy = proxy,
                 proxyPort = proxyPort,

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

@@ -8,11 +8,8 @@ import androidx.core.os.ConfigurationCompat
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.distinctUntilChanged
 import com.vitorpamplona.amethyst.OptOutFromFilters
-import com.vitorpamplona.amethyst.service.CryptoUtils
 import com.vitorpamplona.amethyst.service.FileHeader
-import com.vitorpamplona.amethyst.service.KeyPair
 import com.vitorpamplona.amethyst.service.NostrLnZapPaymentResponseDataSource
-import com.vitorpamplona.amethyst.service.model.*
 import com.vitorpamplona.amethyst.service.relays.Client
 import com.vitorpamplona.amethyst.service.relays.Constants
 import com.vitorpamplona.amethyst.service.relays.FeedType
@@ -20,6 +17,13 @@ import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.service.relays.RelayPool
 import com.vitorpamplona.amethyst.ui.components.BundledUpdate
 import com.vitorpamplona.amethyst.ui.note.combineWith
+import com.vitorpamplona.quartz.crypto.CryptoUtils
+import com.vitorpamplona.quartz.crypto.KeyPair
+import com.vitorpamplona.quartz.encoders.ATag
+import com.vitorpamplona.quartz.encoders.HexKey
+import com.vitorpamplona.quartz.encoders.hexToByteArray
+import com.vitorpamplona.quartz.encoders.toHexKey
+import com.vitorpamplona.quartz.events.*
 import kotlinx.collections.immutable.ImmutableSet
 import kotlinx.collections.immutable.persistentSetOf
 import kotlinx.collections.immutable.toImmutableSet
@@ -72,9 +76,10 @@ class Account(
     var zapPaymentRequest: Nip47URI? = null,
     var hideDeleteRequestDialog: Boolean = false,
     var hideBlockAlertDialog: Boolean = false,
+    var hideNIP24WarningDialog: Boolean = false,
     var backupContactList: ContactListEvent? = null,
-    var proxy: Proxy?,
-    var proxyPort: Int,
+    var proxy: Proxy? = null,
+    var proxyPort: Int = 9050,
     var showSensitiveContent: Boolean? = null,
     var warnAboutPostsWithReports: Boolean = true,
     var filterSpamFromStrangers: Boolean = true,
@@ -219,23 +224,57 @@ class Account(
             return
         }
 
-        if (reaction.startsWith(":")) {
-            val emojiUrl = EmojiUrl.decode(reaction)
-            if (emojiUrl != null) {
-                note.event?.let {
-                    val event = ReactionEvent.create(emojiUrl, it, keyPair.privKey!!)
-                    Client.send(event)
-                    LocalCache.consume(event)
+        if (note.event is ChatMessageEvent) {
+            val event = note.event as ChatMessageEvent
+            val users = event.recipientsPubKey().plus(event.pubKey).toSet().toList()
+
+            if (reaction.startsWith(":")) {
+                val emojiUrl = EmojiUrl.decode(reaction)
+                if (emojiUrl != null) {
+                    note.event?.let {
+                        val giftWraps = NIP24Factory().createReactionWithinGroup(
+                            emojiUrl = emojiUrl,
+                            originalNote = it,
+                            to = users,
+                            from = keyPair.privKey!!
+                        )
+
+                        broadcastPrivately(giftWraps)
+                    }
+
+                    return
                 }
-
-                return
             }
-        }
 
-        note.event?.let {
-            val event = ReactionEvent.create(reaction, it, keyPair.privKey!!)
-            Client.send(event)
-            LocalCache.consume(event)
+            note.event?.let {
+                val giftWraps = NIP24Factory().createReactionWithinGroup(
+                    content = reaction,
+                    originalNote = it,
+                    to = users,
+                    from = keyPair.privKey!!
+                )
+
+                broadcastPrivately(giftWraps)
+            }
+        } else {
+            if (reaction.startsWith(":")) {
+                val emojiUrl = EmojiUrl.decode(reaction)
+                if (emojiUrl != null) {
+                    note.event?.let {
+                        val event = ReactionEvent.create(emojiUrl, it, keyPair.privKey!!)
+                        Client.send(event)
+                        LocalCache.consume(event)
+                    }
+
+                    return
+                }
+            }
+
+            note.event?.let {
+                val event = ReactionEvent.create(reaction, it, keyPair.privKey!!)
+                Client.send(event)
+                LocalCache.consume(event)
+            }
         }
     }
 
@@ -834,14 +873,18 @@ class Account(
     }
 
     fun sendPrivateMessage(message: String, toUser: User, replyingTo: Note? = null, mentions: List<User>?, zapReceiver: String? = null, wantsToMarkAsSensitive: Boolean, zapRaiserAmount: Long? = null, geohash: String? = null) {
+        sendPrivateMessage(message, toUser.pubkeyHex, replyingTo, mentions, zapReceiver, wantsToMarkAsSensitive, zapRaiserAmount, geohash)
+    }
+
+    fun sendPrivateMessage(message: String, toUser: HexKey, replyingTo: Note? = null, mentions: List<User>?, zapReceiver: String? = null, wantsToMarkAsSensitive: Boolean, zapRaiserAmount: Long? = null, geohash: String? = null) {
         if (!isWriteable()) return
 
         val repliesToHex = listOfNotNull(replyingTo?.idHex).ifEmpty { null }
         val mentionsHex = mentions?.map { it.pubkeyHex }
 
         val signedEvent = PrivateDmEvent.create(
-            recipientPubKey = toUser.pubkey(),
-            publishedRecipientPubKey = toUser.pubkey(),
+            recipientPubKey = toUser.hexToByteArray(),
+            publishedRecipientPubKey = toUser.hexToByteArray(),
             msg = message,
             replyTos = repliesToHex,
             mentions = mentionsHex,
@@ -856,6 +899,59 @@ class Account(
         LocalCache.consume(signedEvent, null)
     }
 
+    fun sendNIP24PrivateMessage(
+        message: String,
+        toUsers: List<HexKey>,
+        subject: String? = null,
+        replyingTo: Note? = null,
+        mentions: List<User>?,
+        zapReceiver: String? = null,
+        wantsToMarkAsSensitive: Boolean,
+        zapRaiserAmount: Long? = null,
+        geohash: String? = null
+    ) {
+        if (!isWriteable()) return
+
+        val repliesToHex = listOfNotNull(replyingTo?.idHex).ifEmpty { null }
+        val mentionsHex = mentions?.map { it.pubkeyHex }
+
+        val signedEvents = NIP24Factory().createMsgNIP24(
+            msg = message,
+            to = toUsers,
+            subject = subject,
+            replyTos = repliesToHex,
+            mentions = mentionsHex,
+            zapReceiver = zapReceiver,
+            markAsSensitive = wantsToMarkAsSensitive,
+            zapRaiserAmount = zapRaiserAmount,
+            geohash = geohash,
+            from = keyPair.privKey!!
+        )
+
+        broadcastPrivately(signedEvents)
+    }
+
+    fun broadcastPrivately(signedEvents: List<GiftWrapEvent>) {
+        signedEvents.forEach {
+            Client.send(it)
+
+            // Only keep in cache the GiftWrap for the account.
+            if (it.recipientPubKey() == keyPair.pubKey.toHexKey()) {
+                it.cachedGift(keyPair.privKey!!)?.let {
+                    if (it is SealedGossipEvent) {
+                        it.cachedGossip(keyPair.privKey!!)?.let {
+                            LocalCache.justConsume(it, null)
+                        }
+                    } else {
+                        LocalCache.justConsume(it, null)
+                    }
+                }
+
+                LocalCache.consume(it, null)
+            }
+        }
+    }
+
     fun sendCreateNewChannel(name: String, about: String, picture: String) {
         if (!isWriteable()) return
 
@@ -1100,7 +1196,12 @@ class Account(
     }
 
     fun getBlockListNote(): AddressableNote {
-        val aTag = ATag(PeopleListEvent.kind, userProfile().pubkeyHex, PeopleListEvent.blockList, null)
+        val aTag = ATag(
+            PeopleListEvent.kind,
+            userProfile().pubkeyHex,
+            PeopleListEvent.blockList,
+            null
+        )
         return LocalCache.getOrCreateAddressableNote(aTag)
     }
 
@@ -1228,7 +1329,12 @@ class Account(
         val privKey = keyPair.privKey
 
         return if (listName != null) {
-            val aTag = ATag(PeopleListEvent.kind, userProfile().pubkeyHex, listName, null).toTag()
+            val aTag = ATag(
+                PeopleListEvent.kind,
+                userProfile().pubkeyHex,
+                listName,
+                null
+            ).toTag()
             val list = LocalCache.addressables[aTag]
             if (list != null) {
                 val publicHexList = (list.event as? PeopleListEvent)?.bookmarkedPeople() ?: emptySet()
@@ -1252,7 +1358,12 @@ class Account(
         val privKey = keyPair.privKey
 
         return if (listName != null) {
-            val aTag = ATag(PeopleListEvent.kind, userProfile().pubkeyHex, listName, null).toTag()
+            val aTag = ATag(
+                PeopleListEvent.kind,
+                userProfile().pubkeyHex,
+                listName,
+                null
+            ).toTag()
             val list = LocalCache.addressables[aTag]
             if (list != null) {
                 val publicAddresses = list.event?.hashtags() ?: emptySet()
@@ -1276,7 +1387,12 @@ class Account(
         val privKey = keyPair.privKey
 
         return if (listName != null) {
-            val aTag = ATag(PeopleListEvent.kind, userProfile().pubkeyHex, listName, null).toTag()
+            val aTag = ATag(
+                PeopleListEvent.kind,
+                userProfile().pubkeyHex,
+                listName,
+                null
+            ).toTag()
             val list = LocalCache.addressables[aTag]
             if (list != null) {
                 val publicAddresses = list.event?.geohashes() ?: emptySet()
@@ -1300,7 +1416,12 @@ class Account(
         val privKey = keyPair.privKey
 
         return if (listName != null) {
-            val aTag = ATag(PeopleListEvent.kind, userProfile().pubkeyHex, listName, null).toTag()
+            val aTag = ATag(
+                PeopleListEvent.kind,
+                userProfile().pubkeyHex,
+                listName,
+                null
+            ).toTag()
             val list = LocalCache.addressables[aTag]
             if (list != null) {
                 val publicAddresses = list.event?.taggedAddresses()?.map { it.toTag() } ?: emptySet()
@@ -1343,11 +1464,22 @@ class Account(
         follow(channel)
     }
 
+    fun unwrap(event: GiftWrapEvent): Event? {
+        if (!isWriteable()) return null
+        return event.cachedGift(keyPair.privKey!!)
+    }
+
+    fun unseal(event: SealedGossipEvent): Event? {
+        if (!isWriteable()) return null
+        return event.cachedGossip(keyPair.privKey!!)
+    }
+
     fun decryptContent(note: Note): String? {
+        val privKey = keyPair.privKey
         val event = note.event
-        return if (event is PrivateDmEvent && keyPair.privKey != null) {
-            event.plainContent(keyPair.privKey!!, event.talkingWith(userProfile().pubkeyHex).hexToByteArray())
-        } else if (event is LnZapRequestEvent && keyPair.privKey != null) {
+        return if (event is PrivateDmEvent && privKey != null) {
+            event.plainContent(privKey, event.talkingWith(userProfile().pubkeyHex).hexToByteArray())
+        } else if (event is LnZapRequestEvent && privKey != null) {
             decryptZapContentAuthor(note)?.content()
         } else {
             event?.content()
@@ -1478,6 +1610,12 @@ class Account(
         }.toTypedArray()
     }
 
+    fun convertGlobalRelays(): Array<String> {
+        return localRelays.filter { it.feedTypes.contains(FeedType.GLOBAL) }
+            .map { it.url }
+            .toTypedArray()
+    }
+
     fun reconnectIfRelaysHaveChanged() {
         val newRelaySet = activeRelays() ?: convertLocalRelays()
         if (!Client.isSameRelaySetConfig(newRelaySet)) {
@@ -1487,7 +1625,12 @@ class Account(
         }
     }
 
+    fun isAllHidden(users: Set<HexKey>): Boolean {
+        return users.all { isHidden(it) }
+    }
+
     fun isHidden(user: User) = isHidden(user.pubkeyHex)
+
     fun isHidden(userHex: String): Boolean {
         val blockList = getBlockList()
 
@@ -1566,6 +1709,11 @@ class Account(
         saveable.invalidateData()
     }
 
+    fun setHideNIP24WarningDialog() {
+        hideNIP24WarningDialog = true
+        saveable.invalidateData()
+    }
+
     fun setHideBlockAlertDialog() {
         hideBlockAlertDialog = true
         saveable.invalidateData()

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

@@ -6,10 +6,11 @@ import androidx.compose.runtime.Stable
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.OptOutFromFilters
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
-import com.vitorpamplona.amethyst.service.model.Event
-import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.ui.components.BundledUpdate
+import com.vitorpamplona.quartz.encoders.HexKey
+import com.vitorpamplona.quartz.encoders.Nip19
+import com.vitorpamplona.quartz.events.Event
 import kotlinx.coroutines.Dispatchers
 
 data class Spammer(val pubkeyHex: HexKey, var duplicatedMessages: Set<HexKey>)

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

@@ -4,13 +4,14 @@ import androidx.compose.runtime.Stable
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.NostrSingleChannelDataSource
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
-import com.vitorpamplona.amethyst.service.model.ATag
-import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
-import com.vitorpamplona.amethyst.service.model.LiveActivitiesEvent
-import com.vitorpamplona.amethyst.service.toNote
 import com.vitorpamplona.amethyst.ui.components.BundledUpdate
 import com.vitorpamplona.amethyst.ui.note.toShortenHex
-import fr.acinq.secp256k1.Hex
+import com.vitorpamplona.quartz.encoders.ATag
+import com.vitorpamplona.quartz.encoders.Hex
+import com.vitorpamplona.quartz.encoders.HexKey
+import com.vitorpamplona.quartz.encoders.toNote
+import com.vitorpamplona.quartz.events.ChannelCreateEvent
+import com.vitorpamplona.quartz.events.LiveActivitiesEvent
 import kotlinx.coroutines.Dispatchers
 import java.util.concurrent.ConcurrentHashMap
 

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

@@ -1,52 +0,0 @@
-package com.vitorpamplona.amethyst.model
-
-import com.vitorpamplona.amethyst.service.KeyPair
-import com.vitorpamplona.amethyst.service.bechToBytes
-import com.vitorpamplona.amethyst.service.nip19.Nip19
-import com.vitorpamplona.amethyst.ui.note.toShortenHex
-import fr.acinq.secp256k1.Hex
-
-/** Makes the distinction between String and Hex **/
-typealias HexKey = String
-
-fun ByteArray.toHexKey(): HexKey {
-    return Hex.encode(this)
-}
-
-fun HexKey.hexToByteArray(): ByteArray {
-    return Hex.decode(this)
-}
-
-fun HexKey.toDisplayHexKey(): String {
-    return this.toShortenHex()
-}
-
-fun decodePublicKey(key: String): ByteArray {
-    val parsed = Nip19.uriToRoute(key)
-    val pubKeyParsed = parsed?.hex?.hexToByteArray()
-
-    return if (key.startsWith("nsec")) {
-        KeyPair(privKey = key.bechToBytes()).pubKey
-    } else if (pubKeyParsed != null) {
-        pubKeyParsed
-    } else {
-        Hex.decode(key)
-    }
-}
-
-fun decodePublicKeyAsHexOrNull(key: String): HexKey? {
-    return try {
-        val parsed = Nip19.uriToRoute(key)
-        val pubKeyParsed = parsed?.hex
-
-        if (key.startsWith("nsec")) {
-            KeyPair(privKey = key.bechToBytes()).pubKey.toHexKey()
-        } else if (pubKeyParsed != null) {
-            pubKeyParsed
-        } else {
-            Hex.decode(key).toHexKey()
-        }
-    } catch (e: Exception) {
-        null
-    }
-}

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

@@ -3,13 +3,19 @@ package com.vitorpamplona.amethyst.model
 import android.util.Log
 import androidx.compose.runtime.Stable
 import com.vitorpamplona.amethyst.Amethyst
-import com.vitorpamplona.amethyst.service.HexValidator
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
-import com.vitorpamplona.amethyst.service.model.*
-import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.ui.components.BundledInsert
-import fr.acinq.secp256k1.Hex
+import com.vitorpamplona.quartz.encoders.ATag
+import com.vitorpamplona.quartz.encoders.Hex
+import com.vitorpamplona.quartz.encoders.HexKey
+import com.vitorpamplona.quartz.encoders.HexValidator
+import com.vitorpamplona.quartz.encoders.Nip19
+import com.vitorpamplona.quartz.encoders.decodePublicKeyAsHexOrNull
+import com.vitorpamplona.quartz.encoders.toHexKey
+import com.vitorpamplona.quartz.events.*
+import kotlinx.collections.immutable.persistentSetOf
+import kotlinx.collections.immutable.toImmutableSet
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.asSharedFlow
@@ -218,6 +224,26 @@ object LocalCache {
         }
     }
 
+    private fun consume(event: AdvertisedRelayListEvent) {
+        val version = getOrCreateNote(event.id)
+        val note = getOrCreateAddressableNote(event.address())
+        val author = getOrCreateUser(event.pubKey)
+
+        if (version.event == null) {
+            version.loadEvent(event, author, emptyList())
+            version.moveAllReferencesTo(note)
+        }
+
+        // Already processed this event.
+        if (note.event?.id() == event.id()) return
+
+        if (event.createdAt > (note.createdAt() ?: 0)) {
+            note.loadEvent(event, author, emptyList())
+
+            refreshObservers(note)
+        }
+    }
+
     fun formattedDateTime(timestamp: Long): String {
         return Instant.ofEpochSecond(timestamp).atZone(ZoneId.systemDefault())
             .format(DateTimeFormatter.ofPattern("uuuu MMM d hh:mm a"))
@@ -1025,6 +1051,23 @@ object LocalCache {
         refreshObservers(note)
     }
 
+    fun consume(event: AudioHeaderEvent, relay: Relay?) {
+        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
+
+        note.loadEvent(event, author, emptyList())
+
+        refreshObservers(note)
+    }
+
     fun consume(event: FileHeaderEvent, relay: Relay?) {
         val note = getOrCreateNote(event.id)
         val author = getOrCreateUser(event.pubKey)
@@ -1122,7 +1165,29 @@ object LocalCache {
         // Already processed this event.
         if (note.event != null) return
 
-        note.loadEvent(event, author, emptyList())
+        val recipientsHex = event.recipientsPubKey().plus(event.pubKey).toSet()
+        val recipients = recipientsHex.mapNotNull { checkGetOrCreateUser(it) }.toSet()
+
+        // Log.d("PM", "${author.toBestDisplayName()} to ${recipient?.toBestDisplayName()}")
+
+        val repliesTo = event.taggedEvents().mapNotNull { checkGetOrCreateNote(it) }
+
+        note.loadEvent(event, author, repliesTo)
+
+        if (recipients.isNotEmpty()) {
+            recipients.forEach {
+                val groupMinusRecipient = recipientsHex.minus(it.pubkeyHex)
+
+                val authorGroup = if (groupMinusRecipient.isEmpty()) {
+                    // note to self
+                    ChatroomKey(persistentSetOf(it.pubkeyHex))
+                } else {
+                    ChatroomKey(groupMinusRecipient.toImmutableSet())
+                }
+
+                it.addMessage(authorGroup, note)
+            }
+        }
 
         refreshObservers(note)
     }
@@ -1144,7 +1209,7 @@ object LocalCache {
         refreshObservers(note)
     }
 
-    private fun consume(event: GiftWrapEvent, relay: Relay?) {
+    fun consume(event: GiftWrapEvent, relay: Relay?) {
         val note = getOrCreateNote(event.id)
         val author = getOrCreateUser(event.pubKey)
 
@@ -1236,14 +1301,20 @@ object LocalCache {
         }
 
         return notes.values.filter {
-            it.event?.content()?.contains(text, true) ?: false ||
-                it.event?.matchTag1With(text) ?: false ||
-                it.idHex.startsWith(text, true) ||
-                it.idNote().startsWith(text, true)
+            (it.event !is GenericRepostEvent && it.event !is RepostEvent && it.event !is CommunityPostApprovalEvent && it.event !is ReactionEvent && it.event !is GiftWrapEvent) &&
+                (
+                    it.event?.content()?.contains(text, true) ?: false ||
+                        it.event?.matchTag1With(text) ?: false ||
+                        it.idHex.startsWith(text, true) ||
+                        it.idNote().startsWith(text, true)
+                    )
         } + addressables.values.filter {
-            it.event?.content()?.contains(text, true) ?: false ||
-                it.event?.matchTag1With(text) ?: false ||
-                it.idHex.startsWith(text, true)
+            (it.event !is GenericRepostEvent && it.event !is RepostEvent && it.event !is CommunityPostApprovalEvent && it.event !is ReactionEvent && it.event !is GiftWrapEvent) &&
+                (
+                    it.event?.content()?.contains(text, true) ?: false ||
+                        it.event?.matchTag1With(text) ?: false ||
+                        it.idHex.startsWith(text, true)
+                    )
         }
     }
 
@@ -1442,21 +1513,35 @@ object LocalCache {
     }
 
     fun verifyAndConsume(event: Event, relay: Relay?) {
+        if (justVerify(event)) {
+            justConsume(event, relay)
+        }
+    }
+
+    fun justVerify(event: Event): Boolean {
         checkNotInMainThread()
 
-        if (!event.hasValidSignature()) {
+        return if (!event.hasValidSignature()) {
             try {
                 event.checkSignature()
             } catch (e: Exception) {
                 Log.w("Event failed retest ${event.kind}", e.message ?: "")
             }
-            return
+            false
+        } else {
+            true
         }
+    }
+
+    fun justConsume(event: Event, relay: Relay?) {
+        checkNotInMainThread()
 
         try {
             when (event) {
+                is AdvertisedRelayListEvent -> consume(event)
                 is AppDefinitionEvent -> consume(event)
                 is AppRecommendationEvent -> consume(event)
+                is AudioHeaderEvent -> consume(event, relay)
                 is AudioTrackEvent -> consume(event)
                 is BadgeAwardEvent -> consume(event)
                 is BadgeDefinitionEvent -> consume(event)

app/src/main/java/com/vitorpamplona/amethyst/model/Nip47URI.kt

@@ -1,3 +1,5 @@
 package com.vitorpamplona.amethyst.model
 
+import com.vitorpamplona.quartz.encoders.HexKey
+
 data class Nip47URI(val pubKeyHex: HexKey, val relayUri: String?, val secret: HexKey?)

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

@@ -6,25 +6,24 @@ import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.NostrSingleEventDataSource
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.service.firstFullCharOrEmoji
-import com.vitorpamplona.amethyst.service.lnurl.LnInvoiceUtil
-import com.vitorpamplona.amethyst.service.model.*
-import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.relays.EOSETime
 import com.vitorpamplona.amethyst.service.relays.Relay
-import com.vitorpamplona.amethyst.service.toNote
-import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.actions.updated
 import com.vitorpamplona.amethyst.ui.components.BundledUpdate
 import com.vitorpamplona.amethyst.ui.note.toShortenHex
-import fr.acinq.secp256k1.Hex
+import com.vitorpamplona.quartz.encoders.ATag
+import com.vitorpamplona.quartz.encoders.Hex
+import com.vitorpamplona.quartz.encoders.HexKey
+import com.vitorpamplona.quartz.encoders.LnInvoiceUtil
+import com.vitorpamplona.quartz.encoders.Nip19
+import com.vitorpamplona.quartz.encoders.toNote
+import com.vitorpamplona.quartz.events.*
+import com.vitorpamplona.quartz.utils.TimeUtils
 import kotlinx.coroutines.Dispatchers
 import java.math.BigDecimal
 import java.time.Instant
 import java.time.ZoneId
 import java.time.format.DateTimeFormatter
-import java.util.regex.Pattern
-
-val tagSearch = Pattern.compile("(?:\\s|\\A)\\#\\[([0-9]+)\\]")
 
 @Stable
 class AddressableNote(val address: ATag) : Note(address.toTag()) {
@@ -104,11 +103,13 @@ open class Note(val idHex: String) {
     open fun createdAt() = event?.createdAt()
 
     fun loadEvent(event: Event, author: User, replyTo: List<Note>) {
-        this.event = event
-        this.author = author
-        this.replyTo = replyTo
+        if (this.event?.id() != event.id()) {
+            this.event = event
+            this.author = author
+            this.replyTo = replyTo
 
-        liveSet?.metadata?.invalidateData()
+            liveSet?.metadata?.invalidateData()
+        }
     }
 
     fun formattedDateTime(timestamp: Long): String {
@@ -119,17 +120,24 @@ open class Note(val idHex: String) {
     /**
      * This method caches signatures during each execution to avoid recalculation in longer threads
      */
-    fun replyLevelSignature(cachedSignatures: MutableMap<Note, String> = mutableMapOf()): String {
+    fun replyLevelSignature(
+        eventsToConsider: Set<Note>,
+        cachedSignatures: MutableMap<Note, String>
+    ): String {
         val replyTo = replyTo
         if (event is RepostEvent || event is GenericRepostEvent || replyTo == null || replyTo.isEmpty()) {
             return "/" + formattedDateTime(createdAt() ?: 0) + ";"
         }
 
-        return replyTo
+        val mySignature = replyTo
+            .filter { it in eventsToConsider } // This forces the signature to be based on a branch, avoiding two roots
             .map {
-                cachedSignatures[it] ?: it.replyLevelSignature(cachedSignatures).apply { cachedSignatures.put(it, this) }
+                cachedSignatures[it] ?: it.replyLevelSignature(eventsToConsider, cachedSignatures).apply { cachedSignatures.put(it, this) }
             }
             .maxBy { it.length }.removeSuffix(";") + "/" + formattedDateTime(createdAt() ?: 0) + ";"
+
+        cachedSignatures[this] = mySignature
+        return mySignature
     }
 
     fun replyLevel(cachedLevels: MutableMap<Note, Int> = mutableMapOf()): Int {
@@ -653,6 +661,8 @@ class NoteLiveData(val note: Note) : LiveData<NoteState>(NoteState(note)) {
     private val bundler = BundledUpdate(500, Dispatchers.IO)
 
     fun invalidateData() {
+        if (!hasObservers()) return
+
         checkNotInMainThread()
 
         bundler.invalidate() {

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

@@ -1,5 +1,7 @@
 package com.vitorpamplona.amethyst.model
 
+import com.vitorpamplona.quartz.encoders.HexKey
+
 class ParticipantListBuilder {
     private fun addFollowsThatDirectlyParticipateOnToSet(baseNote: Note, followingSet: Set<HexKey>?, set: MutableSet<User>) {
         baseNote.author?.let { author ->

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

@@ -1,15 +1,12 @@
 package com.vitorpamplona.amethyst.model
 
-import com.google.gson.Gson
-import com.google.gson.GsonBuilder
-import com.google.gson.JsonArray
-import com.google.gson.JsonElement
-import com.google.gson.JsonObject
-import com.google.gson.JsonSerializationContext
-import com.google.gson.JsonSerializer
-import java.lang.reflect.Type
+import androidx.compose.runtime.Stable
+import com.fasterxml.jackson.databind.DeserializationFeature
+import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 
+@Stable
 class RelayInformation(
+    val id: String?,
     val name: String?,
     val description: String?,
     val pubkey: String?,
@@ -27,113 +24,26 @@ class RelayInformation(
     val fees: RelayInformationFees?
 ) {
     companion object {
-        val gson: Gson = GsonBuilder()
-            .disableHtmlEscaping()
-            .registerTypeAdapter(RelayInformation::class.java, RelayInformationSerializer())
-            .registerTypeAdapter(RelayInformationLimitation::class.java, RelayInformationLimitationSerializer())
-            .registerTypeAdapter(RelayInformationFees::class.java, RelayInformationFeesSerializer())
-            .registerTypeAdapter(RelayInformationFee::class.java, RelayInformationFeeSerializer())
-            .create()
+        val mapper = jacksonObjectMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
 
-        fun fromJson(json: String): RelayInformation = gson.fromJson(json, RelayInformation::class.java)
+        fun fromJson(json: String): RelayInformation = mapper.readValue(json, RelayInformation::class.java)
     }
 }
 
+@Stable
 class RelayInformationFee(
     val amount: Int?,
     val unit: String?,
     val period: Int?,
     val kinds: List<Int>?
-) {
-    companion object {
-        val gson: Gson = GsonBuilder()
-            .disableHtmlEscaping()
-            .registerTypeAdapter(RelayInformationFee::class.java, RelayInformationFeeSerializer())
-            .create()
-
-        fun fromJson(json: String): RelayInformationFee = gson.fromJson(json, RelayInformationFee::class.java)
-    }
-}
-
-private class RelayInformationFeeSerializer : JsonSerializer<RelayInformationFee> {
-    override fun serialize(
-        src: RelayInformationFee,
-        typeOfSrc: Type?,
-        context: JsonSerializationContext?
-    ): JsonElement {
-        return JsonObject().apply {
-            addProperty("amount", src.amount)
-            addProperty("unit", src.unit)
-            addProperty("period", src.period)
-            add(
-                "kinds",
-                JsonArray().also { kinds ->
-                    src.kinds?.forEach { kind ->
-                        kinds.add(
-                            kind
-                        )
-                    }
-                }
-            )
-        }
-    }
-}
+)
 
 class RelayInformationFees(
     val admission: List<RelayInformationFee>?,
     val subscription: List<RelayInformationFee>?,
-    val publication: List<RelayInformationFee>?
-) {
-    companion object {
-        val gson: Gson = GsonBuilder()
-            .disableHtmlEscaping()
-            .registerTypeAdapter(RelayInformationFees::class.java, RelayInformationFeesSerializer())
-            .create()
-
-        fun fromJson(json: String): RelayInformationFees = gson.fromJson(json, RelayInformationFees::class.java)
-    }
-}
-
-private class RelayInformationFeesSerializer : JsonSerializer<RelayInformationFees> {
-    override fun serialize(
-        src: RelayInformationFees,
-        typeOfSrc: Type?,
-        context: JsonSerializationContext?
-    ): JsonElement {
-        return JsonObject().apply {
-            add(
-                "admission",
-                JsonArray().also { admissions ->
-                    src.admission?.forEach { admission ->
-                        admissions.add(
-                            admission.toString()
-                        )
-                    }
-                }
-            )
-            add(
-                "publication",
-                JsonArray().also { publications ->
-                    src.publication?.forEach { publication ->
-                        publications.add(
-                            publication.toString()
-                        )
-                    }
-                }
-            )
-            add(
-                "subscription",
-                JsonArray().also { subscriptions ->
-                    src.subscription?.forEach { subscription ->
-                        subscriptions.add(
-                            subscription.toString()
-                        )
-                    }
-                }
-            )
-        }
-    }
-}
+    val publication: List<RelayInformationFee>?,
+    val retention: List<RelayInformationFee>?
+)
 
 class RelayInformationLimitation(
     val max_message_length: Int?,
@@ -147,104 +57,4 @@ class RelayInformationLimitation(
     val min_pow_difficulty: Int?,
     val auth_required: Boolean?,
     val payment_required: Boolean?
-) {
-    companion object {
-        val gson: Gson = GsonBuilder()
-            .disableHtmlEscaping()
-            .registerTypeAdapter(RelayInformationLimitation::class.java, RelayInformationLimitationSerializer())
-            .create()
-
-        fun fromJson(json: String): RelayInformationLimitation = gson.fromJson(json, RelayInformationLimitation::class.java)
-    }
-}
-
-private class RelayInformationLimitationSerializer : JsonSerializer<RelayInformationLimitation> {
-    override fun serialize(
-        src: RelayInformationLimitation,
-        typeOfSrc: Type?,
-        context: JsonSerializationContext?
-    ): JsonElement {
-        return JsonObject().apply {
-            addProperty("max_message_length", src.max_message_length)
-            addProperty("max_subscriptions", src.max_subscriptions)
-            addProperty("max_filters", src.max_filters)
-            addProperty("max_limit", src.max_limit)
-            addProperty("max_subid_length", src.max_subid_length)
-            addProperty("min_prefix", src.min_prefix)
-            addProperty("max_event_tags", src.max_event_tags)
-            addProperty("max_content_length", src.max_content_length)
-            addProperty("min_pow_difficulty", src.min_pow_difficulty)
-            addProperty("auth_required", src.auth_required)
-            addProperty("payment_required", src.payment_required)
-        }
-    }
-}
-
-private class RelayInformationSerializer : JsonSerializer<RelayInformation> {
-    override fun serialize(
-        src: RelayInformation,
-        typeOfSrc: Type?,
-        context: JsonSerializationContext?
-    ): JsonElement {
-        return JsonObject().apply {
-            addProperty("name", src.name)
-            addProperty("description", src.description)
-            addProperty("pubkey", src.pubkey)
-            addProperty("contact", src.contact)
-            add(
-                "supported_nip_extensions",
-                JsonArray().also { supported_nip_extensions ->
-                    src.supported_nip_extensions?.forEach { nip ->
-                        supported_nip_extensions.add(
-                            nip
-                        )
-                    }
-                }
-            )
-            add(
-                "supported_nips",
-                JsonArray().also { supported_nips ->
-                    src.supported_nips?.forEach { nip ->
-                        supported_nips.add(
-                            nip
-                        )
-                    }
-                }
-            )
-            addProperty("software", src.software)
-            addProperty("version", src.version)
-            add(
-                "relay_countries",
-                JsonArray().also { relay_countries ->
-                    src.relay_countries?.forEach { country ->
-                        relay_countries.add(
-                            country
-                        )
-                    }
-                }
-            )
-            add(
-                "language_tags",
-                JsonArray().also { language_tags ->
-                    src.language_tags?.forEach { language_tag ->
-                        language_tags.add(
-                            language_tag
-                        )
-                    }
-                }
-            )
-            add(
-                "tags",
-                JsonArray().also { tags ->
-                    src.tags?.forEach { tag ->
-                        tags.add(
-                            tag
-                        )
-                    }
-                }
-            )
-            addProperty("posting_policy", src.posting_policy)
-            addProperty("payments_url", src.payments_url)
-        }
-    }
-}
+)

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

@@ -1,9 +1,8 @@
 package com.vitorpamplona.amethyst.model
 
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
-import com.vitorpamplona.amethyst.service.model.GenericRepostEvent
-import com.vitorpamplona.amethyst.service.model.RepostEvent
-import kotlin.time.ExperimentalTime
+import com.vitorpamplona.quartz.events.GenericRepostEvent
+import com.vitorpamplona.quartz.events.RepostEvent
 import kotlin.time.measureTimedValue
 
 class ThreadAssembler {
@@ -37,7 +36,6 @@ class ThreadAssembler {
         return null
     }
 
-    @OptIn(ExperimentalTime::class)
     fun findThreadFor(noteId: String): Set<Note> {
         checkNotInMainThread()
 

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

@@ -3,22 +3,26 @@ package com.vitorpamplona.amethyst.model
 import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.Stable
 import androidx.lifecycle.LiveData
-import com.vitorpamplona.amethyst.service.Bech32
 import com.vitorpamplona.amethyst.service.NostrSingleUserDataSource
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
-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.service.toNpub
-import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
-import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.BundledUpdate
 import com.vitorpamplona.amethyst.ui.note.toShortenHex
-import fr.acinq.secp256k1.Hex
+import com.vitorpamplona.quartz.encoders.Bech32
+import com.vitorpamplona.quartz.encoders.Hex
+import com.vitorpamplona.quartz.encoders.HexKey
+import com.vitorpamplona.quartz.encoders.toNpub
+import com.vitorpamplona.quartz.events.BookmarkListEvent
+import com.vitorpamplona.quartz.events.ChatroomKey
+import com.vitorpamplona.quartz.events.ContactListEvent
+import com.vitorpamplona.quartz.events.LnZapEvent
+import com.vitorpamplona.quartz.events.MetadataEvent
+import com.vitorpamplona.quartz.events.ReportEvent
+import com.vitorpamplona.quartz.events.UserMetadata
+import com.vitorpamplona.quartz.events.toImmutableListOfLists
+import com.vitorpamplona.quartz.utils.TimeUtils
+import kotlinx.collections.immutable.persistentSetOf
 import kotlinx.coroutines.Dispatchers
 import java.math.BigDecimal
 import java.util.regex.Pattern
@@ -43,7 +47,7 @@ class User(val pubkeyHex: String) {
     var relaysBeingUsed = mapOf<String, RelayInfo>()
         private set
 
-    var privateChatrooms = mapOf<User, Chatroom>()
+    var privateChatrooms = mapOf<ChatroomKey, Chatroom>()
         private set
 
     fun pubkey() = Hex.decode(pubkeyHex)
@@ -55,6 +59,21 @@ class User(val pubkeyHex: String) {
 
     override fun toString(): String = pubkeyHex
 
+    fun toBestShortFirstName(): String {
+        val fullName = bestDisplayName() ?: bestUsername() ?: return pubkeyDisplayHex()
+
+        val names = fullName.split(' ')
+
+        val firstName = if (names[0].length <= 3) {
+            // too short. Remove Dr.
+            "${names[0]} ${names.getOrNull(1) ?: ""}"
+        } else {
+            names[0]
+        }
+
+        return firstName
+    }
+
     fun toBestDisplayName(): String {
         return bestDisplayName() ?: bestUsername() ?: pubkeyDisplayHex()
     }
@@ -174,18 +193,31 @@ class User(val pubkeyHex: String) {
     }
 
     @Synchronized
-    private fun getOrCreatePrivateChatroomSync(user: User): Chatroom {
+    private fun getOrCreatePrivateChatroomSync(key: ChatroomKey): Chatroom {
         checkNotInMainThread()
 
-        return privateChatrooms[user] ?: run {
+        return privateChatrooms[key] ?: run {
             val privateChatroom = Chatroom()
-            privateChatrooms = privateChatrooms + Pair(user, privateChatroom)
+            privateChatrooms = privateChatrooms + Pair(key, privateChatroom)
             privateChatroom
         }
     }
 
     private fun getOrCreatePrivateChatroom(user: User): Chatroom {
-        return privateChatrooms[user] ?: getOrCreatePrivateChatroomSync(user)
+        val key = ChatroomKey(persistentSetOf(user.pubkeyHex))
+        return getOrCreatePrivateChatroom(key)
+    }
+
+    private fun getOrCreatePrivateChatroom(key: ChatroomKey): Chatroom {
+        return privateChatrooms[key] ?: getOrCreatePrivateChatroomSync(key)
+    }
+
+    fun addMessage(room: ChatroomKey, msg: Note) {
+        val privateChatroom = getOrCreatePrivateChatroom(room)
+        if (msg !in privateChatroom.roomMessages) {
+            privateChatroom.addMessageSync(msg)
+            liveSet?.messages?.invalidateData()
+        }
     }
 
     fun addMessage(user: User, msg: Note) {
@@ -196,6 +228,10 @@ class User(val pubkeyHex: String) {
         }
     }
 
+    fun createChatroom(withKey: ChatroomKey) {
+        getOrCreatePrivateChatroom(withKey)
+    }
+
     fun removeMessage(user: User, msg: Note) {
         checkNotInMainThread()
 
@@ -309,8 +345,8 @@ class User(val pubkeyHex: String) {
         return LocalCache.users.values.count { it.latestContactList?.isTaggedUser(pubkeyHex) ?: false }
     }
 
-    fun hasSentMessagesTo(user: User?): Boolean {
-        val messagesToUser = privateChatrooms[user] ?: return false
+    fun hasSentMessagesTo(key: ChatroomKey?): Boolean {
+        val messagesToUser = privateChatrooms[key] ?: return false
 
         return messagesToUser.roomMessages.any { this.pubkeyHex == it.author?.pubkeyHex }
     }
@@ -373,8 +409,11 @@ data class RelayInfo(
     var counter: Long
 )
 
+@Stable
 class Chatroom() {
     var roomMessages: Set<Note> = setOf()
+    var subject: String? = null
+    var subjectCreatedAt: Long? = null
 
     @Synchronized
     fun addMessageSync(msg: Note) {
@@ -382,6 +421,13 @@ class Chatroom() {
 
         if (msg !in roomMessages) {
             roomMessages = roomMessages + msg
+
+            val newSubject = msg.event?.subject()
+
+            if (newSubject != null && (msg.createdAt() ?: 0) > (subjectCreatedAt ?: 0)) {
+                subject = newSubject
+                subjectCreatedAt = msg.createdAt()
+            }
         }
     }
 
@@ -391,9 +437,18 @@ class Chatroom() {
 
         if (msg !in roomMessages) {
             roomMessages = roomMessages + msg
+
+            roomMessages.filter { it.event?.subject() != null }.sortedBy { it.createdAt() }.lastOrNull()?.let {
+                subject = it.event?.subject()
+                subjectCreatedAt = it.createdAt()
+            }
         }
     }
 
+    fun senderIntersects(keySet: Set<HexKey>): Boolean {
+        return roomMessages.any { it.author?.pubkeyHex in keySet }
+    }
+
     fun pruneMessagesToTheLatestOnly(): Set<Note> {
         val sorted = roomMessages.sortedWith(compareBy({ it.createdAt() }, { it.idHex })).reversed()
 
@@ -411,70 +466,12 @@ class Chatroom() {
     }
 }
 
-@Stable
-class UserMetadata {
-    var name: String? = null
-    var username: String? = null
-    var display_name: String? = null
-    var displayName: String? = null
-    var picture: String? = null
-    var banner: String? = null
-    var website: String? = null
-    var about: String? = null
-
-    var nip05: String? = null
-    var nip05Verified: Boolean = false
-    var nip05LastVerificationTime: Long? = 0
-
-    var domain: String? = null
-    var lud06: String? = null
-    var lud16: String? = null
-
-    var publish: String? = null
-    var iris: String? = null
-    var main_relay: String? = null
-    var twitter: String? = null
-
-    var updatedMetadataAt: Long = 0
-    var latestMetadata: MetadataEvent? = null
-    var tags: ImmutableListOfLists<String>? = null
-
-    fun anyName(): String? {
-        return display_name ?: displayName ?: name ?: username
-    }
-
-    fun anyNameStartsWith(prefix: String): Boolean {
-        return listOfNotNull(name, username, display_name, displayName, nip05, lud06, lud16)
-            .any { it.contains(prefix, true) }
-    }
-
-    fun lnAddress(): String? {
-        return (lud16?.trim() ?: lud06?.trim())?.ifBlank { null }
-    }
-
-    fun bestUsername(): String? {
-        return name?.ifBlank { null } ?: username?.ifBlank { null }
-    }
-
-    fun bestDisplayName(): String? {
-        return displayName?.ifBlank { null } ?: display_name?.ifBlank { null }
-    }
-
-    fun nip05(): String? {
-        return nip05?.ifBlank { null }
-    }
-
-    fun profilePicture(): String? {
-        if (picture.isNullOrBlank()) picture = null
-        return picture
-    }
-}
-
 class UserLiveData(val user: User) : LiveData<UserState>(UserState(user)) {
     // Refreshes observers in batches.
     private val bundler = BundledUpdate(500, Dispatchers.IO)
 
     fun invalidateData() {
+        if (!hasObservers()) return
         checkNotInMainThread()
 
         bundler.invalidate() {

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

@@ -6,7 +6,6 @@ import android.util.Patterns
 import androidx.compose.runtime.Immutable
 import com.linkedin.urls.detection.UrlDetector
 import com.linkedin.urls.detection.UrlDetectorOptions
-import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.ZoomableUrlContent
 import com.vitorpamplona.amethyst.ui.components.ZoomableUrlImage
 import com.vitorpamplona.amethyst.ui.components.ZoomableUrlVideo
@@ -15,6 +14,7 @@ import com.vitorpamplona.amethyst.ui.components.imageExtensions
 import com.vitorpamplona.amethyst.ui.components.startsWithNIP19Scheme
 import com.vitorpamplona.amethyst.ui.components.tagIndex
 import com.vitorpamplona.amethyst.ui.components.videoExtensions
+import com.vitorpamplona.quartz.events.ImmutableListOfLists
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.ImmutableMap
 import kotlinx.collections.immutable.ImmutableSet
@@ -59,6 +59,8 @@ val noProtocolUrlValidator = try {
     Pattern.compile("(([\\w\\d-]+\\.)*[a-zA-Z][\\w-]+[\\.\\:]\\w+([\\/\\?\\=\\&\\#\\.]?[\\w-]+)*\\/?)(.*)")
 }
 
+val HTTPRegex = "^((http|https)://)?([A-Za-z0-9-_]+(\\.[A-Za-z0-9-_]+)+)(:[0-9]+)?(/[^?#]*)?(\\?[^#]*)?(#.*)?".toRegex(RegexOption.IGNORE_CASE)
+
 class RichTextParser() {
     fun parseText(
         content: String,
@@ -75,8 +77,7 @@ class RichTextParser() {
             } else if (it.originalUrl.contains("。")) {
                 null
             } else {
-                val pattern = "^((http|https)://)?([A-Za-z0-9-]+(\\.[A-Za-z0-9]+)+)(:[0-9]+)?(/[^?#]*)?(\\?[^#]*)?(#.*)?".toRegex(RegexOption.IGNORE_CASE)
-                if (pattern.matches(it.originalUrl)) {
+                if (HTTPRegex.matches(it.originalUrl)) {
                     it.originalUrl
                 } else {
                     null
@@ -179,10 +180,10 @@ class RichTextParser() {
             BechSegment(word)
         } else if (word.startsWith("#")) {
             parseHash(word, tags)
-        } else if (schemelessMatcher.find()) {
+        } else if (word.contains(".") && schemelessMatcher.find()) {
             val url = schemelessMatcher.group(1) // url
             val additionalChars = schemelessMatcher.group(4) // additional chars
-            val pattern = "^([A-Za-z0-9-_]+(\\.[A-Za-z0-9-_]+)+)(:[0-9]+)?(/[^?#]*)?(\\?[^#]*)?(#.*)?".toRegex(RegexOption.IGNORE_CASE)
+            val pattern = """^([A-Za-z0-9-_]+(\.[A-Za-z0-9-_]+)+)(:[0-9]+)?(/[^?#]*)?(\?[^#]*)?(#.*)?""".toRegex(RegexOption.IGNORE_CASE)
             if (pattern.find(word) != null) {
                 SchemelessUrlSegment(word, url, additionalChars)
             } else {

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

@@ -1,12 +1,11 @@
 package com.vitorpamplona.amethyst.service
 
 import androidx.compose.runtime.Immutable
+import com.fasterxml.jackson.databind.JsonNode
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
-import com.google.gson.JsonArray
-import com.google.gson.JsonObject
-import com.google.gson.JsonParser
 import com.vitorpamplona.amethyst.service.lnurl.LightningAddressResolver
 import com.vitorpamplona.amethyst.ui.components.GenericLoadable
+import com.vitorpamplona.quartz.events.Event
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.Request
 import okhttp3.RequestBody.Companion.toRequestBody
@@ -19,7 +18,7 @@ data class CashuToken(
     val totalAmount: Long,
     val fees: Int,
     val redeemInvoiceAmount: Long,
-    val proofs: JsonArray
+    val proofs: JsonNode
 )
 
 class CashuProcessor {
@@ -28,14 +27,14 @@ class CashuProcessor {
 
         try {
             val base64token = cashuToken.replace("cashuA", "")
-            val cashu = JsonParser.parseString(String(Base64.getDecoder().decode(base64token)))
-            val token = cashu.asJsonObject.get("token").asJsonArray[0].asJsonObject
-            val proofs = token["proofs"].asJsonArray
-            val mint = token["mint"].asString
+            val cashu = jacksonObjectMapper().readTree(String(Base64.getDecoder().decode(base64token)))
+            val token = cashu.get("token").get(0)
+            val proofs = token.get("proofs")
+            val mint = token.get("mint").asText()
 
             var totalAmount = 0L
             for (proof in proofs) {
-                totalAmount += proof.asJsonObject["amount"].asLong
+                totalAmount += proof.get("amount").asLong()
             }
             val fees = Math.max(((totalAmount * 0.02).toInt()), 2)
             val redeemInvoiceAmount = totalAmount - fees
@@ -69,9 +68,11 @@ class CashuProcessor {
             val client = HttpClient.getHttpClient()
             val url = token.mint + "/melt" // Melt cashu tokens at Mint
 
-            val jsonObject = JsonObject()
-            jsonObject.add("proofs", token.proofs)
-            jsonObject.addProperty("pr", invoice)
+            val factory = Event.mapper.nodeFactory
+
+            val jsonObject = factory.objectNode()
+            jsonObject.put("proofs", token.proofs)
+            jsonObject.put("pr", invoice)
 
             val mediaType = "application/json; charset=utf-8".toMediaType()
             val requestBody = jsonObject.toString().toRequestBody(mediaType)

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

@@ -1,132 +0,0 @@
-package com.vitorpamplona.amethyst.service
-
-import com.goterl.lazysodium.SodiumAndroid
-import com.goterl.lazysodium.utils.Key
-import fr.acinq.secp256k1.Hex
-import fr.acinq.secp256k1.Secp256k1
-import java.security.MessageDigest
-import java.security.SecureRandom
-import java.util.Base64
-import javax.crypto.Cipher
-import javax.crypto.spec.IvParameterSpec
-import javax.crypto.spec.SecretKeySpec
-
-object CryptoUtils {
-    private val secp256k1 = Secp256k1.get()
-    private val random = SecureRandom()
-
-    /**
-     * Provides a 32B "private key" aka random number
-     */
-    fun privkeyCreate(): ByteArray {
-        val bytes = ByteArray(32)
-        random.nextBytes(bytes)
-        return bytes
-    }
-
-    fun pubkeyCreate(privKey: ByteArray) =
-        secp256k1.pubKeyCompress(secp256k1.pubkeyCreate(privKey)).copyOfRange(1, 33)
-
-    fun sign(data: ByteArray, privKey: ByteArray): ByteArray =
-        secp256k1.signSchnorr(data, privKey, null)
-
-    fun verifySignature(
-        signature: ByteArray,
-        hash: ByteArray,
-        pubKey: ByteArray
-    ): Boolean {
-        return secp256k1.verifySchnorr(signature, hash, pubKey)
-    }
-
-    fun sha256(data: ByteArray): ByteArray {
-        // Creates a new buffer every time
-        return MessageDigest.getInstance("SHA-256").digest(data)
-    }
-
-    /**
-     * @return 32B shared secret
-     */
-    fun getSharedSecretNIP04(privateKey: ByteArray, pubKey: ByteArray): ByteArray =
-        secp256k1.pubKeyTweakMul(Hex.decode("02") + pubKey, privateKey).copyOfRange(1, 33)
-
-    fun encryptNIP04(msg: String, privateKey: ByteArray, pubKey: ByteArray): String {
-        val sharedSecret = getSharedSecretNIP04(privateKey, pubKey)
-        return encryptNIP04(msg, sharedSecret)
-    }
-
-    fun encryptNIP04(msg: String, sharedSecret: ByteArray): String {
-        val iv = ByteArray(16)
-        random.nextBytes(iv)
-        val cipher = Cipher.getInstance("AES/CBC/PKCS5Padding")
-        cipher.init(Cipher.ENCRYPT_MODE, SecretKeySpec(sharedSecret, "AES"), IvParameterSpec(iv))
-        val ivBase64 = Base64.getEncoder().encodeToString(iv)
-        val encryptedMsg = cipher.doFinal(msg.toByteArray())
-        val encryptedMsgBase64 = Base64.getEncoder().encodeToString(encryptedMsg)
-        return "$encryptedMsgBase64?iv=$ivBase64"
-    }
-
-    fun decryptNIP04(msg: String, privateKey: ByteArray, pubKey: ByteArray): String {
-        val sharedSecret = getSharedSecretNIP04(privateKey, pubKey)
-        return decryptNIP04(msg, sharedSecret)
-    }
-
-    fun decryptNIP04(msg: String, sharedSecret: ByteArray): String {
-        val parts = msg.split("?iv=")
-        val iv = parts[1].run { Base64.getDecoder().decode(this) }
-        val encryptedMsg = parts.first().run { Base64.getDecoder().decode(this) }
-        val cipher = Cipher.getInstance("AES/CBC/PKCS5Padding")
-        cipher.init(Cipher.DECRYPT_MODE, SecretKeySpec(sharedSecret, "AES"), IvParameterSpec(iv))
-        return String(cipher.doFinal(encryptedMsg))
-    }
-
-    fun encryptNIP24(msg: String, privateKey: ByteArray, pubKey: ByteArray): EncryptedInfo {
-        val sharedSecret = getSharedSecretNIP24(privateKey, pubKey)
-        return encryptNIP24(msg, sharedSecret)
-    }
-
-    fun encryptNIP24(msg: String, sharedSecret: ByteArray): EncryptedInfo {
-        val nonce = ByteArray(24)
-        random.nextBytes(nonce)
-
-        val cipher = SodiumAndroid().cryptoStreamXChaCha20Xor(
-            messageBytes = msg.toByteArray(),
-            nonce = nonce,
-            key = Key.fromBytes(sharedSecret)
-        )
-
-        val cipherBase64 = Base64.getEncoder().encodeToString(cipher)
-        val nonceBase64 = Base64.getEncoder().encodeToString(nonce)
-
-        return EncryptedInfo(
-            ciphertext = cipherBase64,
-            nonce = nonceBase64,
-            v = Nip44Version.XChaCha20.versionCode
-        )
-    }
-
-    fun decryptNIP24(encryptedInfo: EncryptedInfo, privateKey: ByteArray, pubKey: ByteArray): String? {
-        val sharedSecret = getSharedSecretNIP24(privateKey, pubKey)
-        return decryptNIP24(encryptedInfo, sharedSecret)
-    }
-
-    fun decryptNIP24(encryptedInfo: EncryptedInfo, sharedSecret: ByteArray): String? {
-        return SodiumAndroid().cryptoStreamXChaCha20Xor(
-            messageBytes = Base64.getDecoder().decode(encryptedInfo.ciphertext),
-            nonce = Base64.getDecoder().decode(encryptedInfo.nonce),
-            key = Key.fromBytes(sharedSecret)
-        )?.decodeToString()
-    }
-
-    /**
-     * @return 32B shared secret
-     */
-    fun getSharedSecretNIP24(privateKey: ByteArray, pubKey: ByteArray): ByteArray =
-        sha256(secp256k1.pubKeyTweakMul(Hex.decode("02") + pubKey, privateKey).copyOfRange(1, 33))
-}
-
-data class EncryptedInfo(val ciphertext: String, val nonce: String, val v: Int)
-
-enum class Nip44Version(val versionCode: Int) {
-    Reserved(0),
-    XChaCha20(1)
-}

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

@@ -1,6 +1,6 @@
 package com.vitorpamplona.amethyst.service
 
-import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
+import com.vitorpamplona.quartz.events.ImmutableListOfLists
 
 fun String.isUTF16Char(pos: Int): Boolean {
     return Character.charCount(this.codePointAt(pos)) == 2

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

@@ -3,8 +3,9 @@ package com.vitorpamplona.amethyst.service
 import android.graphics.Bitmap
 import android.graphics.BitmapFactory
 import android.util.Log
-import com.vitorpamplona.amethyst.model.toHexKey
 import com.vitorpamplona.amethyst.ui.actions.ImageDownloader
+import com.vitorpamplona.quartz.crypto.CryptoUtils
+import com.vitorpamplona.quartz.encoders.toHexKey
 import io.trbl.blurhash.BlurHash
 import kotlin.math.roundToInt
 

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

@@ -1,23 +0,0 @@
-package com.vitorpamplona.amethyst.service
-
-object HexValidator {
-
-    private fun isHex2(c: Char): Boolean {
-        return when (c) {
-            '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'A', 'B', 'C', 'D', 'E', 'F', ' ' -> true
-            else -> false
-        }
-    }
-
-    fun isHex(hex: String?): Boolean {
-        if (hex == null) return false
-        var isHex = true
-        for (c in hex.toCharArray()) {
-            if (!isHex2(c)) {
-                isHex = false
-                break
-            }
-        }
-        return isHex
-    }
-}

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

@@ -2,8 +2,8 @@ package com.vitorpamplona.amethyst.ui.note
 
 import android.net.Uri
 import com.vitorpamplona.amethyst.model.Nip47URI
-import com.vitorpamplona.amethyst.model.decodePublicKey
-import com.vitorpamplona.amethyst.model.toHexKey
+import com.vitorpamplona.quartz.encoders.decodePublicKey
+import com.vitorpamplona.quartz.encoders.toHexKey
 
 // Rename to the corect nip number when ready.
 object Nip47 {

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

@@ -1,24 +1,25 @@
 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
-import com.vitorpamplona.amethyst.service.model.MetadataEvent
-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.model.LocalCache
 import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
 import com.vitorpamplona.amethyst.service.relays.Client
 import com.vitorpamplona.amethyst.service.relays.EOSEAccount
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
+import com.vitorpamplona.quartz.events.*
+import com.vitorpamplona.quartz.events.BadgeAwardEvent
+import com.vitorpamplona.quartz.events.BadgeProfilesEvent
+import com.vitorpamplona.quartz.events.BookmarkListEvent
+import com.vitorpamplona.quartz.events.ChannelMessageEvent
+import com.vitorpamplona.quartz.events.ContactListEvent
+import com.vitorpamplona.quartz.events.LnZapEvent
+import com.vitorpamplona.quartz.events.MetadataEvent
+import com.vitorpamplona.quartz.events.ReactionEvent
+import com.vitorpamplona.quartz.events.ReportEvent
+import com.vitorpamplona.quartz.events.RepostEvent
+import com.vitorpamplona.quartz.events.TextNoteEvent
 
 object NostrAccountDataSource : NostrDataSource("AccountData") {
     lateinit var account: Account
@@ -47,6 +48,17 @@ object NostrAccountDataSource : NostrDataSource("AccountData") {
         )
     }
 
+    fun createAccountRelayListFilter(): TypedFilter {
+        return TypedFilter(
+            types = COMMON_FEED_TYPES,
+            filter = JsonFilter(
+                kinds = listOf(AdvertisedRelayListEvent.kind),
+                authors = listOf(account.userProfile().pubkeyHex),
+                limit = 1
+            )
+        )
+    }
+
     fun createAccountAcceptedAwardsFilter(): TypedFilter {
         return TypedFilter(
             types = COMMON_FEED_TYPES,
@@ -111,16 +123,52 @@ object NostrAccountDataSource : NostrDataSource("AccountData") {
         )
     )
 
+    fun createGiftWrapsToMeFilter() = TypedFilter(
+        types = COMMON_FEED_TYPES,
+        filter = JsonFilter(
+            kinds = listOf(GiftWrapEvent.kind),
+            tags = mapOf("p" to listOf(account.userProfile().pubkeyHex))
+        )
+    )
+
     val accountChannel = requestNewChannel { time, relayUrl ->
         latestEOSEs.addOrUpdate(account.userProfile(), account.defaultNotificationFollowList, relayUrl, time)
     }
 
+    override fun consume(event: Event, relay: Relay) {
+        if (LocalCache.justVerify(event)) {
+            if (event is GiftWrapEvent) {
+                val privateKey = account.keyPair.privKey
+                if (privateKey != null) {
+                    event.cachedGift(privateKey)?.let {
+                        this.consume(it, relay)
+                    }
+                }
+            }
+
+            if (event is SealedGossipEvent) {
+                val privateKey = account.keyPair.privKey
+                if (privateKey != null) {
+                    event.cachedGossip(privateKey)?.let {
+                        LocalCache.justConsume(it, relay)
+                    }
+                }
+
+                // Don't store sealed gossips to avoid rebroadcasting by mistake.
+            } else {
+                LocalCache.justConsume(event, relay)
+            }
+        }
+    }
+
     override fun updateChannelFilters() {
         // gets everthing about the user logged in
         accountChannel.typedFilters = listOf(
             createAccountMetadataFilter(),
             createAccountContactListFilter(),
+            createAccountRelayListFilter(),
             createNotificationFilter(),
+            createGiftWrapsToMeFilter(),
             createAccountReportsFilter(),
             createAccountAcceptedAwardsFilter(),
             createAccountBookmarkListFilter(),

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

@@ -4,11 +4,11 @@ import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.Channel
 import com.vitorpamplona.amethyst.model.LiveActivitiesChannel
 import com.vitorpamplona.amethyst.model.PublicChatChannel
-import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
-import com.vitorpamplona.amethyst.service.model.LiveActivitiesChatMessageEvent
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
+import com.vitorpamplona.quartz.events.ChannelMessageEvent
+import com.vitorpamplona.quartz.events.LiveActivitiesChatMessageEvent
 
 object NostrChannelDataSource : NostrDataSource("ChatroomFeed") {
     var account: Account? = null

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

@@ -1,33 +1,36 @@
 package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.Account
-import com.vitorpamplona.amethyst.model.User
-import com.vitorpamplona.amethyst.service.model.GiftWrapEvent
-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
+import com.vitorpamplona.quartz.events.ChatroomKey
+import com.vitorpamplona.quartz.events.PrivateDmEvent
 
 object NostrChatroomDataSource : NostrDataSource("ChatroomFeed") {
     lateinit var account: Account
-    var withUser: User? = null
+    private var withRoom: ChatroomKey? = null
 
-    fun loadMessagesBetween(accountIn: Account, user: User) {
-        account = accountIn
-        withUser = user
+    private val latestEOSEs = EOSEAccount()
+
+    fun loadMessagesBetween(accountIn: Account, withRoom: ChatroomKey) {
+        this.account = accountIn
+        this.withRoom = withRoom
         resetFilters()
     }
 
     fun createMessagesToMeFilter(): TypedFilter? {
-        val myPeer = withUser
+        val myPeer = withRoom
 
         return if (myPeer != null) {
             TypedFilter(
                 types = setOf(FeedType.PRIVATE_DMS),
                 filter = JsonFilter(
-                    kinds = listOf(PrivateDmEvent.kind, GiftWrapEvent.kind),
-                    authors = listOf(myPeer.pubkeyHex),
-                    tags = mapOf("p" to listOf(account.userProfile().pubkeyHex))
+                    kinds = listOf(PrivateDmEvent.kind),
+                    authors = myPeer.users.map { it },
+                    tags = mapOf("p" to listOf(account.userProfile().pubkeyHex)),
+                    since = latestEOSEs.users[account.userProfile()]?.followList?.get(withRoom.hashCode().toString())?.relayList
                 )
             )
         } else {
@@ -36,7 +39,7 @@ object NostrChatroomDataSource : NostrDataSource("ChatroomFeed") {
     }
 
     fun createMessagesFromMeFilter(): TypedFilter? {
-        val myPeer = withUser
+        val myPeer = withRoom
 
         return if (myPeer != null) {
             TypedFilter(
@@ -44,7 +47,8 @@ object NostrChatroomDataSource : NostrDataSource("ChatroomFeed") {
                 filter = JsonFilter(
                     kinds = listOf(PrivateDmEvent.kind),
                     authors = listOf(account.userProfile().pubkeyHex),
-                    tags = mapOf("p" to listOf(myPeer.pubkeyHex))
+                    tags = mapOf("p" to myPeer.users.map { it }),
+                    since = latestEOSEs.users[account.userProfile()]?.followList?.get(withRoom.hashCode().toString())?.relayList
                 )
             )
         } else {
@@ -52,9 +56,14 @@ object NostrChatroomDataSource : NostrDataSource("ChatroomFeed") {
         }
     }
 
-    val inandoutChannel = requestNewChannel()
+    val inandoutChannel = requestNewChannel { time, relayUrl ->
+        latestEOSEs.addOrUpdate(account.userProfile(), withRoom.hashCode().toString(), relayUrl, time)
+    }
 
     override fun updateChannelFilters() {
-        inandoutChannel.typedFilters = listOfNotNull(createMessagesToMeFilter(), createMessagesFromMeFilter()).ifEmpty { null }
+        inandoutChannel.typedFilters = listOfNotNull(
+            createMessagesToMeFilter(),
+            createMessagesFromMeFilter()
+        ).ifEmpty { null }
     }
 }

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

@@ -1,16 +1,15 @@
 package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.Account
-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.GiftWrapEvent
-import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
 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 com.vitorpamplona.quartz.events.ChannelCreateEvent
+import com.vitorpamplona.quartz.events.ChannelMessageEvent
+import com.vitorpamplona.quartz.events.ChannelMetadataEvent
+import com.vitorpamplona.quartz.events.PrivateDmEvent
 
 object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
     lateinit var account: Account
@@ -21,7 +20,7 @@ object NostrChatroomListDataSource : NostrDataSource("MailBoxFeed") {
     fun createMessagesToMeFilter() = TypedFilter(
         types = setOf(FeedType.PRIVATE_DMS),
         filter = JsonFilter(
-            kinds = listOf(PrivateDmEvent.kind, GiftWrapEvent.kind),
+            kinds = listOf(PrivateDmEvent.kind),
             tags = mapOf("p" to listOf(account.userProfile().pubkeyHex)),
             since = latestEOSEs.users[account.userProfile()]?.followList?.get(chatRoomList)?.relayList
         )

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

@@ -1,11 +1,11 @@
 package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.AddressableNote
-import com.vitorpamplona.amethyst.service.model.CommunityDefinitionEvent
-import com.vitorpamplona.amethyst.service.model.CommunityPostApprovalEvent
 import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
+import com.vitorpamplona.quartz.events.CommunityDefinitionEvent
+import com.vitorpamplona.quartz.events.CommunityPostApprovalEvent
 
 object NostrCommunityDataSource : NostrDataSource("SingleCommunityFeed") {
     private var communityToWatch: AddressableNote? = null

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

@@ -2,13 +2,12 @@ package com.vitorpamplona.amethyst.service
 
 import android.util.Log
 import com.vitorpamplona.amethyst.model.LocalCache
-import com.vitorpamplona.amethyst.model.TimeUtils
-import com.vitorpamplona.amethyst.service.model.*
-import com.vitorpamplona.amethyst.service.model.Event
 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 com.vitorpamplona.quartz.events.Event
+import com.vitorpamplona.quartz.utils.TimeUtils
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -39,7 +38,7 @@ abstract class NostrDataSource(val debugName: String) {
                     eventCounter = eventCounter + Pair(key, Counter(1))
                 }
 
-                LocalCache.verifyAndConsume(event, relay)
+                consume(event, relay)
             }
         }
 
@@ -164,6 +163,10 @@ abstract class NostrDataSource(val debugName: String) {
         }
     }
 
+    open fun consume(event: Event, relay: Relay) {
+        LocalCache.verifyAndConsume(event, relay)
+    }
+
     abstract fun updateChannelFilters()
     open fun auth(relay: Relay, challenge: String) = Unit
 }

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

@@ -1,17 +1,17 @@
 package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.Account
-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.CommunityDefinitionEvent
-import com.vitorpamplona.amethyst.service.model.CommunityPostApprovalEvent
-import com.vitorpamplona.amethyst.service.model.LiveActivitiesChatMessageEvent
-import com.vitorpamplona.amethyst.service.model.LiveActivitiesEvent
 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 com.vitorpamplona.quartz.events.ChannelCreateEvent
+import com.vitorpamplona.quartz.events.ChannelMessageEvent
+import com.vitorpamplona.quartz.events.ChannelMetadataEvent
+import com.vitorpamplona.quartz.events.CommunityDefinitionEvent
+import com.vitorpamplona.quartz.events.CommunityPostApprovalEvent
+import com.vitorpamplona.quartz.events.LiveActivitiesChatMessageEvent
+import com.vitorpamplona.quartz.events.LiveActivitiesEvent
 
 object NostrDiscoveryDataSource : NostrDataSource("DiscoveryFeed") {
     lateinit var account: Account

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

@@ -1,16 +1,17 @@
 package com.vitorpamplona.amethyst.service
 
-import com.vitorpamplona.amethyst.service.model.AudioTrackEvent
-import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
-import com.vitorpamplona.amethyst.service.model.ClassifiedsEvent
-import com.vitorpamplona.amethyst.service.model.HighlightEvent
-import com.vitorpamplona.amethyst.service.model.LiveActivitiesChatMessageEvent
-import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
-import com.vitorpamplona.amethyst.service.model.PollNoteEvent
-import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
+import com.vitorpamplona.quartz.events.AudioHeaderEvent
+import com.vitorpamplona.quartz.events.AudioTrackEvent
+import com.vitorpamplona.quartz.events.ChannelMessageEvent
+import com.vitorpamplona.quartz.events.ClassifiedsEvent
+import com.vitorpamplona.quartz.events.HighlightEvent
+import com.vitorpamplona.quartz.events.LiveActivitiesChatMessageEvent
+import com.vitorpamplona.quartz.events.LongTextNoteEvent
+import com.vitorpamplona.quartz.events.PollNoteEvent
+import com.vitorpamplona.quartz.events.TextNoteEvent
 
 object NostrGeohashDataSource : NostrDataSource("SingleGeoHashFeed") {
     private var geohashToWatch: String? = null
@@ -26,7 +27,7 @@ object NostrGeohashDataSource : NostrDataSource("SingleGeoHashFeed") {
                         hashToLoad
                     )
                 ),
-                kinds = listOf(TextNoteEvent.kind, ChannelMessageEvent.kind, LongTextNoteEvent.kind, PollNoteEvent.kind, LiveActivitiesChatMessageEvent.kind, ClassifiedsEvent.kind, HighlightEvent.kind, AudioTrackEvent.kind),
+                kinds = listOf(TextNoteEvent.kind, ChannelMessageEvent.kind, LongTextNoteEvent.kind, PollNoteEvent.kind, LiveActivitiesChatMessageEvent.kind, ClassifiedsEvent.kind, HighlightEvent.kind, AudioTrackEvent.kind, AudioHeaderEvent.kind),
                 limit = 200
             )
         )

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

@@ -1,17 +1,17 @@
 package com.vitorpamplona.amethyst.service
 
-import androidx.compose.ui.text.capitalize
-import com.vitorpamplona.amethyst.service.model.AudioTrackEvent
-import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
-import com.vitorpamplona.amethyst.service.model.ClassifiedsEvent
-import com.vitorpamplona.amethyst.service.model.HighlightEvent
-import com.vitorpamplona.amethyst.service.model.LiveActivitiesChatMessageEvent
-import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
-import com.vitorpamplona.amethyst.service.model.PollNoteEvent
-import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
+import com.vitorpamplona.quartz.events.AudioHeaderEvent
+import com.vitorpamplona.quartz.events.AudioTrackEvent
+import com.vitorpamplona.quartz.events.ChannelMessageEvent
+import com.vitorpamplona.quartz.events.ClassifiedsEvent
+import com.vitorpamplona.quartz.events.HighlightEvent
+import com.vitorpamplona.quartz.events.LiveActivitiesChatMessageEvent
+import com.vitorpamplona.quartz.events.LongTextNoteEvent
+import com.vitorpamplona.quartz.events.PollNoteEvent
+import com.vitorpamplona.quartz.events.TextNoteEvent
 
 object NostrHashtagDataSource : NostrDataSource("SingleHashtagFeed") {
     private var hashtagToWatch: String? = null
@@ -30,7 +30,7 @@ object NostrHashtagDataSource : NostrDataSource("SingleHashtagFeed") {
                         hashToLoad.capitalize()
                     )
                 ),
-                kinds = listOf(TextNoteEvent.kind, ChannelMessageEvent.kind, LongTextNoteEvent.kind, PollNoteEvent.kind, LiveActivitiesChatMessageEvent.kind, ClassifiedsEvent.kind, HighlightEvent.kind, AudioTrackEvent.kind),
+                kinds = listOf(TextNoteEvent.kind, ChannelMessageEvent.kind, LongTextNoteEvent.kind, PollNoteEvent.kind, LiveActivitiesChatMessageEvent.kind, ClassifiedsEvent.kind, HighlightEvent.kind, AudioTrackEvent.kind, AudioHeaderEvent.kind),
                 limit = 200
             )
         )

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

@@ -2,22 +2,23 @@ package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.UserState
-import com.vitorpamplona.amethyst.service.model.AudioTrackEvent
-import com.vitorpamplona.amethyst.service.model.ClassifiedsEvent
-import com.vitorpamplona.amethyst.service.model.CommunityPostApprovalEvent
-import com.vitorpamplona.amethyst.service.model.GenericRepostEvent
-import com.vitorpamplona.amethyst.service.model.HighlightEvent
-import com.vitorpamplona.amethyst.service.model.LiveActivitiesChatMessageEvent
-import com.vitorpamplona.amethyst.service.model.LiveActivitiesEvent
-import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
-import com.vitorpamplona.amethyst.service.model.PinListEvent
-import com.vitorpamplona.amethyst.service.model.PollNoteEvent
-import com.vitorpamplona.amethyst.service.model.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
+import com.vitorpamplona.quartz.events.AudioHeaderEvent
+import com.vitorpamplona.quartz.events.AudioTrackEvent
+import com.vitorpamplona.quartz.events.ClassifiedsEvent
+import com.vitorpamplona.quartz.events.CommunityPostApprovalEvent
+import com.vitorpamplona.quartz.events.GenericRepostEvent
+import com.vitorpamplona.quartz.events.HighlightEvent
+import com.vitorpamplona.quartz.events.LiveActivitiesChatMessageEvent
+import com.vitorpamplona.quartz.events.LiveActivitiesEvent
+import com.vitorpamplona.quartz.events.LongTextNoteEvent
+import com.vitorpamplona.quartz.events.PinListEvent
+import com.vitorpamplona.quartz.events.PollNoteEvent
+import com.vitorpamplona.quartz.events.RepostEvent
+import com.vitorpamplona.quartz.events.TextNoteEvent
 import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
@@ -56,10 +57,10 @@ object NostrHomeDataSource : NostrDataSource("HomeFeed") {
         val follows = account.selectedUsersFollowList(account.defaultHomeFollowList)
 
         val followKeys = follows?.map {
-            it.substring(0, 6)
+            it.substring(0, 8)
         }
 
-        val followSet = followKeys?.plus(account.userProfile().pubkeyHex.substring(0, 6))
+        val followSet = followKeys?.plus(account.userProfile().pubkeyHex.substring(0, 8))
 
         return TypedFilter(
             types = setOf(FeedType.FOLLOWS),
@@ -73,6 +74,7 @@ object NostrHomeDataSource : NostrDataSource("HomeFeed") {
                     PollNoteEvent.kind,
                     HighlightEvent.kind,
                     AudioTrackEvent.kind,
+                    AudioHeaderEvent.kind,
                     PinListEvent.kind,
                     LiveActivitiesChatMessageEvent.kind,
                     LiveActivitiesEvent.kind
@@ -92,7 +94,7 @@ object NostrHomeDataSource : NostrDataSource("HomeFeed") {
         return TypedFilter(
             types = setOf(FeedType.FOLLOWS),
             filter = JsonFilter(
-                kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind, ClassifiedsEvent.kind, HighlightEvent.kind, AudioTrackEvent.kind, PinListEvent.kind),
+                kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind, ClassifiedsEvent.kind, HighlightEvent.kind, AudioHeaderEvent.kind, AudioTrackEvent.kind, PinListEvent.kind),
                 tags = mapOf(
                     "t" to hashToLoad.map {
                         listOf(it, it.lowercase(), it.uppercase(), it.capitalize())
@@ -112,7 +114,7 @@ object NostrHomeDataSource : NostrDataSource("HomeFeed") {
         return TypedFilter(
             types = setOf(FeedType.FOLLOWS),
             filter = JsonFilter(
-                kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind, ClassifiedsEvent.kind, HighlightEvent.kind, AudioTrackEvent.kind, PinListEvent.kind),
+                kinds = listOf(TextNoteEvent.kind, LongTextNoteEvent.kind, ClassifiedsEvent.kind, HighlightEvent.kind, AudioHeaderEvent.kind, AudioTrackEvent.kind, PinListEvent.kind),
                 tags = mapOf(
                     "g" to hashToLoad.map {
                         listOf(it, it.lowercase(), it.uppercase(), it.capitalize())
@@ -137,6 +139,7 @@ object NostrHomeDataSource : NostrDataSource("HomeFeed") {
                     LongTextNoteEvent.kind,
                     ClassifiedsEvent.kind,
                     HighlightEvent.kind,
+                    AudioHeaderEvent.kind,
                     AudioTrackEvent.kind,
                     PinListEvent.kind,
                     CommunityPostApprovalEvent.kind

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

@@ -1,12 +1,12 @@
 package com.vitorpamplona.amethyst.service
 
-import com.vitorpamplona.amethyst.service.model.LnZapPaymentResponseEvent
-import com.vitorpamplona.amethyst.service.model.RelayAuthEvent
 import com.vitorpamplona.amethyst.service.relays.Client
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
+import com.vitorpamplona.quartz.events.LnZapPaymentResponseEvent
+import com.vitorpamplona.quartz.events.RelayAuthEvent
 
 class NostrLnZapPaymentResponseDataSource(
     private val fromServiceHex: String,

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

@@ -1,13 +1,13 @@
 package com.vitorpamplona.amethyst.service
 
-import com.vitorpamplona.amethyst.model.toHexKey
-import com.vitorpamplona.amethyst.service.model.*
-import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
-import fr.acinq.secp256k1.Hex
+import com.vitorpamplona.quartz.encoders.Hex
+import com.vitorpamplona.quartz.encoders.Nip19
+import com.vitorpamplona.quartz.encoders.toHexKey
+import com.vitorpamplona.quartz.events.*
 
 object NostrSearchEventOrUserDataSource : NostrDataSource("SearchEventFeed") {
     private var searchString: String? = null
@@ -56,8 +56,9 @@ object NostrSearchEventOrUserDataSource : NostrDataSource("SearchEventFeed") {
                 filter = JsonFilter(
                     kinds = listOf(
                         TextNoteEvent.kind, LongTextNoteEvent.kind, BadgeDefinitionEvent.kind,
-                        PeopleListEvent.kind, BookmarkListEvent.kind, AudioTrackEvent.kind, PinListEvent.kind,
-                        PollNoteEvent.kind, ChannelCreateEvent.kind
+                        PeopleListEvent.kind, BookmarkListEvent.kind, AudioHeaderEvent.kind,
+                        AudioTrackEvent.kind, PinListEvent.kind, PollNoteEvent.kind,
+                        ChannelCreateEvent.kind
                     ),
                     search = mySearchString,
                     limit = 100

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

@@ -3,12 +3,12 @@ package com.vitorpamplona.amethyst.service
 import com.vitorpamplona.amethyst.model.LiveActivitiesChannel
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.PublicChatChannel
-import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
-import com.vitorpamplona.amethyst.service.model.ChannelMetadataEvent
 import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
+import com.vitorpamplona.quartz.events.ChannelCreateEvent
+import com.vitorpamplona.quartz.events.ChannelMetadataEvent
 
 object NostrSingleChannelDataSource : NostrDataSource("SingleChannelFeed") {
     private var channelsToWatch = setOf<String>()

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

@@ -2,11 +2,11 @@ package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.AddressableNote
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.service.model.*
 import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
 import com.vitorpamplona.amethyst.service.relays.EOSETime
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
+import com.vitorpamplona.quartz.events.*
 
 object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
     private var eventsToWatch = setOf<Note>()

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

@@ -1,12 +1,12 @@
 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.COMMON_FEED_TYPES
 import com.vitorpamplona.amethyst.service.relays.EOSETime
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
+import com.vitorpamplona.quartz.events.MetadataEvent
+import com.vitorpamplona.quartz.events.ReportEvent
 
 object NostrSingleUserDataSource : NostrDataSource("SingleUserFeed") {
     var usersToWatch = setOf<User>()

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

@@ -1,10 +1,10 @@
 package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.User
-import com.vitorpamplona.amethyst.service.model.*
 import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
 import com.vitorpamplona.amethyst.service.relays.JsonFilter
 import com.vitorpamplona.amethyst.service.relays.TypedFilter
+import com.vitorpamplona.quartz.events.*
 
 object NostrUserProfileDataSource : NostrDataSource("UserProfileFeed") {
     var user: User? = null
@@ -34,6 +34,7 @@ object NostrUserProfileDataSource : NostrDataSource("UserProfileFeed") {
                     RepostEvent.kind,
                     LongTextNoteEvent.kind,
                     AudioTrackEvent.kind,
+                    AudioHeaderEvent.kind,
                     PinListEvent.kind,
                     PollNoteEvent.kind,
                     HighlightEvent.kind

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

@@ -1,12 +1,12 @@
 package com.vitorpamplona.amethyst.service
 
 import com.vitorpamplona.amethyst.model.Account
-import com.vitorpamplona.amethyst.service.model.FileHeaderEvent
-import com.vitorpamplona.amethyst.service.model.FileStorageHeaderEvent
 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 com.vitorpamplona.quartz.events.FileHeaderEvent
+import com.vitorpamplona.quartz.events.FileStorageHeaderEvent
 
 object NostrVideoDataSource : NostrDataSource("VideoFeed") {
     lateinit var account: Account

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

@@ -2,10 +2,11 @@ package com.vitorpamplona.amethyst.service.lnurl
 
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.vitorpamplona.amethyst.BuildConfig
-import com.vitorpamplona.amethyst.service.Bech32
 import com.vitorpamplona.amethyst.service.HttpClient
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
-import com.vitorpamplona.amethyst.service.toLnUrl
+import com.vitorpamplona.quartz.encoders.Bech32
+import com.vitorpamplona.quartz.encoders.LnInvoiceUtil
+import com.vitorpamplona.quartz.encoders.toLnUrl
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job

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

@@ -1,326 +0,0 @@
-package com.vitorpamplona.amethyst.service.model
-
-import android.util.Log
-import androidx.compose.runtime.Immutable
-import com.google.gson.*
-import com.google.gson.annotations.SerializedName
-import com.vitorpamplona.amethyst.model.HexKey
-import com.vitorpamplona.amethyst.model.TimeUtils
-import com.vitorpamplona.amethyst.model.toHexKey
-import com.vitorpamplona.amethyst.service.CryptoUtils
-import com.vitorpamplona.amethyst.service.nip19.Nip19
-import com.vitorpamplona.amethyst.service.relays.bytesUsedInMemory
-import fr.acinq.secp256k1.Hex
-import java.lang.reflect.Type
-import java.math.BigDecimal
-import java.util.*
-
-@Immutable
-open class Event(
-    val id: HexKey,
-    @SerializedName("pubkey") val pubKey: HexKey,
-    @SerializedName("created_at") val createdAt: Long,
-    val kind: Int,
-    val tags: List<List<String>>,
-    val content: String,
-    val sig: HexKey
-) : EventInterface {
-
-    override fun countMemory(): Long {
-        return 12L +
-            id.bytesUsedInMemory() +
-            pubKey.bytesUsedInMemory() +
-            tags.sumOf { it.sumOf { it.bytesUsedInMemory() } } +
-            content.bytesUsedInMemory() +
-            sig.bytesUsedInMemory()
-    }
-
-    override fun id(): HexKey = id
-
-    override fun pubKey(): HexKey = pubKey
-
-    override fun createdAt(): Long = createdAt
-
-    override fun kind(): Int = kind
-
-    override fun tags(): List<List<String>> = tags
-
-    override fun content(): String = content
-
-    override fun sig(): HexKey = sig
-
-    override fun toJson(): String = gson.toJson(this)
-
-    fun hasAnyTaggedUser() = tags.any { it.size > 1 && it[0] == "p" }
-
-    override fun taggedUsers() = tags.filter { it.size > 1 && it[0] == "p" }.map { it[1] }
-    override fun taggedEvents() = tags.filter { it.size > 1 && it[0] == "e" }.map { it[1] }
-
-    override fun taggedUrls() = tags.filter { it.size > 1 && it[0] == "r" }.map { it[1] }
-
-    override fun taggedEmojis() = tags.filter { it.size > 2 && it[0] == "emoji" }.map { EmojiUrl(it[1], it[2]) }
-
-    override fun isSensitive() = tags.any {
-        (it.size > 0 && it[0].equals("content-warning", true)) ||
-            (it.size > 1 && it[0] == "t" && it[1].equals("nsfw", true)) ||
-            (it.size > 1 && it[0] == "t" && it[1].equals("nude", true))
-    }
-
-    override fun zapraiserAmount() = tags.firstOrNull() {
-        (it.size > 1 && it[0] == "zapraiser")
-    }?.get(1)?.toLongOrNull()
-
-    override fun zapAddress() = tags.firstOrNull { it.size > 1 && it[0] == "zap" }?.get(1)
-
-    override 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 geohashes() = tags.filter { it.size > 1 && it[0] == "g" }.map { it[1] }
-
-    override fun matchTag1With(text: String) = tags.any { it.size > 1 && it[1].contains(text, true) }
-
-    override fun isTaggedUser(idHex: String) = tags.any { it.size > 1 && it[0] == "p" && it[1] == idHex }
-
-    override fun isTaggedEvent(idHex: String) = tags.any { it.size > 1 && it[0] == "e" && it[1] == idHex }
-
-    override fun isTaggedAddressableNote(idHex: String) = tags.any { it.size > 1 && it[0] == "a" && it[1] == idHex }
-
-    override fun isTaggedAddressableNotes(idHexes: Set<String>) = tags.any { it.size > 1 && it[0] == "a" && it[1] in idHexes }
-
-    override fun isTaggedHash(hashtag: String) = tags.any { it.size > 1 && it[0] == "t" && it[1].equals(hashtag, true) }
-
-    override fun isTaggedGeoHash(hashtag: String) = tags.any { it.size > 1 && it[0] == "g" && it[1].startsWith(hashtag, true) }
-    override fun isTaggedHashes(hashtags: Set<String>) = tags.any { it.size > 1 && it[0] == "t" && it[1].lowercase() in hashtags }
-    override fun isTaggedGeoHashes(hashtags: Set<String>) = tags.any { it.size > 1 && it[0] == "g" && 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 firstIsTaggedAddressableNote(addressableNotes: Set<String>) = tags.firstOrNull { it.size > 1 && it[0] == "a" && it[1] in addressableNotes }?.getOrNull(1)
-
-    override fun isTaggedAddressableKind(kind: Int): Boolean {
-        val kindStr = kind.toString()
-        return tags.any { it.size > 1 && it[0] == "a" && it[1].startsWith(kindStr) }
-    }
-
-    override fun getTagOfAddressableKind(kind: Int): ATag? {
-        val kindStr = kind.toString()
-        val aTag = tags
-            .firstOrNull { it.size > 1 && it[0] == "a" && it[1].startsWith(kindStr) }
-            ?.getOrNull(1)
-            ?: return null
-
-        return ATag.parse(aTag, null)
-    }
-
-    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 getGeoHash(): String? {
-        return tags.firstOrNull { it.size > 1 && it[0] == "g" }?.get(1)?.ifBlank { null }
-    }
-
-    override fun getReward(): BigDecimal? {
-        return try {
-            tags.firstOrNull { it.size > 1 && it[0] == "reward" }?.get(1)?.let { BigDecimal(it) }
-        } catch (e: Exception) {
-            null
-        }
-    }
-
-    open fun toNIP19(): String {
-        return if (this is AddressableEvent) {
-            ATag(kind, pubKey, dTag(), null).toNAddr()
-        } else {
-            Nip19.createNEvent(id, pubKey, kind, null)
-        }
-    }
-
-    fun toNostrUri(): String {
-        return "nostr:${toNIP19()}"
-    }
-
-    /**
-     * Checks if the ID is correct and then if the pubKey's secret key signed the event.
-     */
-    override fun checkSignature() {
-        if (!id.contentEquals(generateId())) {
-            throw Exception(
-                """|Unexpected ID.
-                   |  Event: ${toJson()}
-                   |  Actual ID: $id
-                   |  Generated: ${generateId()}
-                """.trimIndent()
-            )
-        }
-        if (!CryptoUtils.verifySignature(Hex.decode(sig), Hex.decode(id), Hex.decode(pubKey))) {
-            throw Exception("""Bad signature!""")
-        }
-    }
-
-    override fun hasValidSignature(): Boolean {
-        return try {
-            id.contentEquals(generateId()) && CryptoUtils.verifySignature(Hex.decode(sig), Hex.decode(id), Hex.decode(pubKey))
-        } catch (e: Exception) {
-            Log.e("Event", "Fail checking if event $id has a valid signature", e)
-            false
-        }
-    }
-
-    private fun generateId(): String {
-        val rawEvent = listOf(0, pubKey, createdAt, kind, 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 CryptoUtils.sha256(rawEventJson.toByteArray()).toHexKey()
-    }
-
-    private class EventDeserializer : JsonDeserializer<Event> {
-        override fun deserialize(
-            json: JsonElement,
-            typeOfT: Type?,
-            context: JsonDeserializationContext?
-        ): Event {
-            val jsonObject = json.asJsonObject
-            return Event(
-                id = jsonObject.get("id").asString,
-                pubKey = jsonObject.get("pubkey").asString,
-                createdAt = jsonObject.get("created_at").asLong,
-                kind = jsonObject.get("kind").asInt,
-                tags = jsonObject.get("tags").asJsonArray.map {
-                    it.asJsonArray.mapNotNull { s -> if (s.isJsonNull) null else s.asString }
-                },
-                content = jsonObject.get("content").asString,
-                sig = jsonObject.get("sig").asString
-            )
-        }
-    }
-
-    private class EventSerializer : JsonSerializer<Event> {
-        override fun serialize(
-            src: Event,
-            typeOfSrc: Type?,
-            context: JsonSerializationContext?
-        ): JsonElement {
-            return JsonObject().apply {
-                addProperty("id", src.id)
-                addProperty("pubkey", src.pubKey)
-                addProperty("created_at", src.createdAt)
-                addProperty("kind", src.kind)
-                add(
-                    "tags",
-                    JsonArray().also { jsonTags ->
-                        src.tags.forEach { tag ->
-                            jsonTags.add(
-                                JsonArray().also { jsonTagElement ->
-                                    tag.forEach { tagElement ->
-                                        jsonTagElement.add(tagElement)
-                                    }
-                                }
-                            )
-                        }
-                    }
-                )
-                addProperty("content", src.content)
-                addProperty("sig", src.sig)
-            }
-        }
-    }
-
-    private class ByteArrayDeserializer : JsonDeserializer<ByteArray> {
-        override fun deserialize(
-            json: JsonElement,
-            typeOfT: Type?,
-            context: JsonDeserializationContext?
-        ): ByteArray = Hex.decode(json.asString)
-    }
-
-    private class ByteArraySerializer : JsonSerializer<ByteArray> {
-        override fun serialize(
-            src: ByteArray,
-            typeOfSrc: Type?,
-            context: JsonSerializationContext?
-        ) = JsonPrimitive(src.toHexKey())
-    }
-
-    companion object {
-        val gson: Gson = GsonBuilder()
-            .disableHtmlEscaping()
-            .registerTypeAdapter(Event::class.java, EventSerializer())
-            .registerTypeAdapter(Event::class.java, EventDeserializer())
-            .registerTypeAdapter(ByteArray::class.java, ByteArraySerializer())
-            .registerTypeAdapter(ByteArray::class.java, ByteArrayDeserializer())
-            .registerTypeAdapter(Response::class.java, ResponseDeserializer())
-            .registerTypeAdapter(Request::class.java, RequestDeserializer())
-            .create()
-
-        fun fromJson(json: String, lenient: Boolean = false): Event = gson.fromJson(json, Event::class.java).getRefinedEvent(lenient)
-
-        fun fromJson(json: JsonElement, lenient: Boolean = false): Event = gson.fromJson(json, Event::class.java).getRefinedEvent(lenient)
-
-        fun Event.getRefinedEvent(lenient: Boolean = false): Event {
-            return EventFactory.create(id, pubKey, createdAt, kind, tags, content, sig, lenient)
-        }
-
-        fun generateId(pubKey: HexKey, createdAt: Long, kind: Int, tags: List<List<String>>, content: String): ByteArray {
-            val rawEvent = listOf(
-                0,
-                pubKey,
-                createdAt,
-                kind,
-                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 CryptoUtils.sha256(rawEventJson.toByteArray())
-        }
-
-        fun create(privateKey: ByteArray, kind: Int, tags: List<List<String>> = emptyList(), content: String = "", createdAt: Long = TimeUtils.now()): Event {
-            val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
-            val id = Companion.generateId(pubKey, createdAt, kind, tags, content)
-            val sig = CryptoUtils.sign(id, privateKey).toHexKey()
-            return Event(id.toHexKey(), pubKey, createdAt, kind, tags, content, sig)
-        }
-    }
-}
-
-@Immutable
-interface AddressableEvent {
-    fun dTag(): String
-    fun address(): ATag
-}

app/src/main/java/com/vitorpamplona/amethyst/service/model/NIP24Factory.kt

@@ -1,32 +0,0 @@
-package com.vitorpamplona.amethyst.service.model
-
-import com.vitorpamplona.amethyst.model.HexKey
-import com.vitorpamplona.amethyst.model.toHexKey
-import com.vitorpamplona.amethyst.service.CryptoUtils
-
-class NIP24Factory {
-    fun createMsgNIP24(
-        msg: String,
-        to: List<HexKey>,
-        from: ByteArray
-    ): List<GiftWrapEvent> {
-        val senderPublicKey = CryptoUtils.pubkeyCreate(from).toHexKey()
-
-        val senderMessage = ChatMessageEvent.create(
-            msg = msg,
-            to = to,
-            privateKey = from
-        )
-
-        return to.plus(senderPublicKey).map {
-            GiftWrapEvent.create(
-                event = SealedGossipEvent.create(
-                    event = senderMessage,
-                    encryptTo = it,
-                    privateKey = from
-                ),
-                recipientPubKey = it
-            )
-        }
-    }
-}

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

@@ -1,8 +1,8 @@
-package com.vitorpamplona.amethyst.service.model.zaps
+package com.vitorpamplona.quartz.events.zaps
 
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.service.model.LnZapEventInterface
 import com.vitorpamplona.amethyst.ui.screen.ZapReqResponse
+import com.vitorpamplona.quartz.events.LnZapEventInterface
 
 object UserZaps {
     fun forProfileFeed(zaps: Map<Note, Note?>?): List<ZapReqResponse> {

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

@@ -1,179 +0,0 @@
-package com.vitorpamplona.amethyst.service.nip19
-
-import android.util.Log
-import androidx.compose.runtime.Immutable
-import com.vitorpamplona.amethyst.model.hexToByteArray
-import com.vitorpamplona.amethyst.model.toHexKey
-import com.vitorpamplona.amethyst.service.bechToBytes
-import com.vitorpamplona.amethyst.service.toNEvent
-import java.util.regex.Pattern
-
-object Nip19 {
-    enum class Type {
-        USER, NOTE, EVENT, RELAY, ADDRESS
-    }
-
-    val nip19regex = Pattern.compile("(nostr:)?@?(nsec1|npub1|nevent1|naddr1|note1|nprofile1|nrelay1)([qpzry9x8gf2tvdw0s3jn54khce6mua7l]+)([\\S]*)", Pattern.CASE_INSENSITIVE)
-
-    @Immutable
-    data class Return(
-        val type: Type,
-        val hex: String,
-        val relay: String? = null,
-        val author: String? = null,
-        val kind: Int? = null,
-        val additionalChars: String = ""
-    )
-
-    fun uriToRoute(uri: String?): Return? {
-        if (uri == null) return null
-
-        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
-
-            return parseComponents(uriScheme, type, key, additionalChars)
-        } catch (e: Throwable) {
-            Log.e("NIP19 Parser", "Issue trying to Decode NIP19 $uri: ${e.message}", e)
-        }
-
-        return null
-    }
-
-    fun parseComponents(
-        uriScheme: String?,
-        type: String,
-        key: String?,
-        additionalChars: String?
-    ): Return? {
-        return try {
-            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
-            }
-            parsed?.copy(additionalChars = additionalChars ?: "")
-        } catch (e: Throwable) {
-            Log.w("NIP19 Parser", "Issue trying to Decode NIP19 $key: ${e.message}", e)
-            null
-        }
-    }
-
-    private fun npub(bytes: ByteArray): Return {
-        return Return(Type.USER, bytes.toHexKey())
-    }
-
-    private fun note(bytes: ByteArray): Return {
-        return Return(Type.NOTE, bytes.toHexKey())
-    }
-
-    private fun nprofile(bytes: ByteArray): Return? {
-        val tlv = Tlv.parse(bytes)
-
-        val hex = tlv.get(Tlv.Type.SPECIAL.id)
-            ?.get(0)
-            ?.toHexKey() ?: return null
-
-        val relay = tlv.get(Tlv.Type.RELAY.id)
-            ?.get(0)
-            ?.toString(Charsets.UTF_8)
-
-        return Return(Type.USER, hex, relay)
-    }
-
-    private fun nevent(bytes: ByteArray): Return? {
-        val tlv = Tlv.parse(bytes)
-
-        val hex = tlv.get(Tlv.Type.SPECIAL.id)
-            ?.get(0)
-            ?.toHexKey() ?: return null
-
-        val relay = tlv.get(Tlv.Type.RELAY.id)
-            ?.get(0)
-            ?.toString(Charsets.UTF_8)
-
-        val author = tlv.get(Tlv.Type.AUTHOR.id)
-            ?.get(0)
-            ?.toHexKey()
-
-        val kind = tlv.get(Tlv.Type.KIND.id)
-            ?.get(0)
-            ?.let { Tlv.toInt32(it) }
-
-        return Return(Type.EVENT, hex, relay, author, kind)
-    }
-
-    private fun nrelay(bytes: ByteArray): Return? {
-        val relayUrl = Tlv.parse(bytes)
-            .get(Tlv.Type.SPECIAL.id)
-            ?.get(0)
-            ?.toString(Charsets.UTF_8) ?: return null
-
-        return Return(Type.RELAY, relayUrl)
-    }
-
-    private fun naddr(bytes: ByteArray): Return? {
-        val tlv = Tlv.parse(bytes)
-
-        val d = tlv.get(Tlv.Type.SPECIAL.id)
-            ?.get(0)
-            ?.toString(Charsets.UTF_8) ?: return null
-
-        val relay = tlv.get(Tlv.Type.RELAY.id)
-            ?.get(0)
-            ?.toString(Charsets.UTF_8)
-
-        val author = tlv.get(Tlv.Type.AUTHOR.id)
-            ?.get(0)
-            ?.toHexKey()
-
-        val kind = tlv.get(Tlv.Type.KIND.id)
-            ?.get(0)
-            ?.let { Tlv.toInt32(it) }
-
-        return Return(Type.ADDRESS, "$kind:$author:$d", relay, author, kind)
-    }
-
-    public fun createNEvent(idHex: String, author: String?, kind: Int?, relay: String?): String {
-        val kind = kind?.toByteArray()
-        val author = author?.hexToByteArray()
-        val idHex = idHex.hexToByteArray()
-        val relay = relay?.toByteArray(Charsets.UTF_8)
-
-        var fullArray = byteArrayOf(Tlv.Type.SPECIAL.id, idHex.size.toByte()) + idHex
-
-        if (relay != null) {
-            fullArray = fullArray + byteArrayOf(Tlv.Type.RELAY.id, relay.size.toByte()) + relay
-        }
-
-        if (author != null) {
-            fullArray = fullArray + byteArrayOf(Tlv.Type.AUTHOR.id, author.size.toByte()) + author
-        }
-
-        if (kind != null) {
-            fullArray = fullArray + byteArrayOf(Tlv.Type.KIND.id, kind.size.toByte()) + kind
-        }
-
-        return fullArray.toNEvent()
-    }
-}
-
-fun Int.toByteArray(): ByteArray {
-    val bytes = ByteArray(4)
-    (0..3).forEach {
-        bytes[3 - it] = ((this ushr (8 * it)) and 0xFFFF).toByte()
-    }
-    return bytes
-}

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

@@ -1,36 +0,0 @@
-package com.vitorpamplona.amethyst.service.nip19
-
-import java.nio.ByteBuffer
-import java.nio.ByteOrder
-
-object Tlv {
-    enum class Type(val id: Byte) {
-        SPECIAL(0),
-        RELAY(1),
-        AUTHOR(2),
-        KIND(3);
-    }
-
-    fun toInt32(bytes: ByteArray): Int {
-        require(bytes.size == 4) { "length must be 4, got: ${bytes.size}" }
-        return ByteBuffer.wrap(bytes, 0, 4).order(ByteOrder.BIG_ENDIAN).int
-    }
-
-    fun parse(data: ByteArray): Map<Byte, List<ByteArray>> {
-        val result = mutableMapOf<Byte, MutableList<ByteArray>>()
-        var rest = data
-        while (rest.isNotEmpty()) {
-            val t = rest[0]
-            val l = rest[1]
-            val v = rest.sliceArray(IntRange(2, (2 + l) - 1))
-            rest = rest.sliceArray(IntRange(2 + l, rest.size - 1))
-            if (v.size < l) continue
-
-            if (!result.containsKey(t)) {
-                result[t] = mutableListOf()
-            }
-            result[t]?.add(v)
-        }
-        return result
-    }
-}

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

@@ -5,14 +5,21 @@ import android.content.Context
 import androidx.core.content.ContextCompat
 import com.vitorpamplona.amethyst.LocalPreferences
 import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
-import com.vitorpamplona.amethyst.service.model.Event
-import com.vitorpamplona.amethyst.service.model.LnZapEvent
-import com.vitorpamplona.amethyst.service.model.LnZapRequestEvent
-import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.service.notifications.NotificationUtils.sendDMNotification
 import com.vitorpamplona.amethyst.service.notifications.NotificationUtils.sendZapNotification
 import com.vitorpamplona.amethyst.ui.note.showAmount
+import com.vitorpamplona.quartz.encoders.toHexKey
+import com.vitorpamplona.quartz.events.ChatMessageEvent
+import com.vitorpamplona.quartz.events.ChatroomKey
+import com.vitorpamplona.quartz.events.Event
+import com.vitorpamplona.quartz.events.GiftWrapEvent
+import com.vitorpamplona.quartz.events.LnZapEvent
+import com.vitorpamplona.quartz.events.LnZapRequestEvent
+import com.vitorpamplona.quartz.events.PrivateDmEvent
+import com.vitorpamplona.quartz.events.SealedGossipEvent
+import kotlinx.collections.immutable.persistentSetOf
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -23,14 +30,73 @@ class EventNotificationConsumer(private val applicationContext: Context) {
         val scope = CoroutineScope(Job() + Dispatchers.IO)
         scope.launch {
             if (LocalCache.notes[event.id] == null) {
-                // adds to database
-                LocalCache.verifyAndConsume(event, null)
+                if (LocalCache.justVerify(event)) {
+                    LocalCache.justConsume(event, null)
 
-                val manager = notificationManager()
-                if (manager.areNotificationsEnabled()) {
-                    when (event) {
-                        is PrivateDmEvent -> notify(event)
-                        is LnZapEvent -> notify(event)
+                    val manager = notificationManager()
+                    if (manager.areNotificationsEnabled()) {
+                        when (event) {
+                            is PrivateDmEvent -> notify(event)
+                            is LnZapEvent -> notify(event)
+                            is GiftWrapEvent -> unwrapAndNotify(event)
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    fun unwrapAndConsume(event: Event, account: Account): Event? {
+        if (!LocalCache.justVerify(event)) return null
+
+        return when (event) {
+            is GiftWrapEvent -> {
+                val key = account.keyPair.privKey ?: return null
+                event.cachedGift(key)?.let {
+                    unwrapAndConsume(it, account)
+                }
+            }
+            is SealedGossipEvent -> {
+                val key = account.keyPair.privKey ?: return null
+                event.cachedGossip(key)?.let {
+                    // this is not verifiable
+                    LocalCache.justConsume(it, null)
+                    it
+                }
+            }
+            else -> {
+                LocalCache.justConsume(event, null)
+                event
+            }
+        }
+    }
+
+    private fun unwrapAndNotify(giftWrap: GiftWrapEvent) {
+        val giftWrapNote = LocalCache.notes[giftWrap.id] ?: return
+
+        LocalPreferences.allSavedAccounts().forEach {
+            val acc = LocalPreferences.loadFromEncryptedStorage(it.npub)
+
+            if (acc != null && acc.userProfile().pubkeyHex == giftWrap.recipientPubKey()) {
+                val chatEvent = unwrapAndConsume(giftWrap, account = acc)
+
+                if (chatEvent is ChatMessageEvent && acc.keyPair.privKey != null) {
+                    val chatNote = LocalCache.notes[chatEvent.id] ?: return
+                    val chatRoom = chatEvent.chatroomKey(acc.keyPair.pubKey.toHexKey())
+
+                    val followingKeySet = acc.followingKeySet()
+
+                    val isKnownRoom = (
+                        acc.userProfile().privateChatrooms[chatRoom]?.senderIntersects(followingKeySet) == true ||
+                            acc.userProfile().hasSentMessagesTo(chatRoom)
+                        ) && !acc.isAllHidden(chatRoom.users)
+
+                    if (isKnownRoom) {
+                        val content = chatNote.event?.content() ?: ""
+                        val user = chatNote.author?.toBestDisplayName() ?: ""
+                        val userPicture = chatNote.author?.profilePicture()
+                        val noteUri = chatNote.toNEvent()
+                        notificationManager().sendDMNotification(chatEvent.id, content, user, userPicture, noteUri, applicationContext)
                     }
                 }
             }
@@ -46,19 +112,21 @@ class EventNotificationConsumer(private val applicationContext: Context) {
             if (acc != null && acc.userProfile().pubkeyHex == event.verifiedRecipientPubKey()) {
                 val followingKeySet = acc.followingKeySet()
 
-                val messagingWith = acc.userProfile().privateChatrooms.keys.filter {
+                val knownChatrooms = acc.userProfile().privateChatrooms.keys.filter {
                     (
-                        it.pubkeyHex in followingKeySet || acc.userProfile()
-                            .hasSentMessagesTo(it)
-                        ) && !acc.isHidden(it)
+                        acc.userProfile().privateChatrooms[it]?.senderIntersects(followingKeySet) == true ||
+                            acc.userProfile().hasSentMessagesTo(it)
+                        ) && !acc.isAllHidden(it.users)
                 }.toSet()
 
-                if (note.author in messagingWith) {
-                    val content = acc.decryptContent(note) ?: ""
-                    val user = note.author?.toBestDisplayName() ?: ""
-                    val userPicture = note.author?.profilePicture()
-                    val noteUri = note.toNEvent()
-                    notificationManager().sendDMNotification(event.id, content, user, userPicture, noteUri, applicationContext)
+                note.author?.let {
+                    if (ChatroomKey(persistentSetOf(it.pubkeyHex)) in knownChatrooms) {
+                        val content = acc.decryptContent(note) ?: ""
+                        val user = note.author?.toBestDisplayName() ?: ""
+                        val userPicture = note.author?.profilePicture()
+                        val noteUri = note.toNEvent()
+                        notificationManager().sendDMNotification(event.id, content, user, userPicture, noteUri, applicationContext)
+                    }
                 }
             }
         }
@@ -106,7 +174,7 @@ class EventNotificationConsumer(private val applicationContext: Context) {
         }
     }
 
-    private fun notificationManager(): NotificationManager {
+    fun notificationManager(): NotificationManager {
         return ContextCompat.getSystemService(applicationContext, NotificationManager::class.java) as NotificationManager
     }
 }

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

@@ -21,7 +21,7 @@ object NotificationUtils {
     private const val DM_GROUP_KEY = "com.vitorpamplona.amethyst.DM_NOTIFICATION"
     private const val ZAP_GROUP_KEY = "com.vitorpamplona.amethyst.ZAP_NOTIFICATION"
 
-    private fun getOrCreateDMChannel(applicationContext: Context): NotificationChannel {
+    fun NotificationManager.getOrCreateDMChannel(applicationContext: Context): NotificationChannel {
         if (dmChannel != null) return dmChannel!!
 
         dmChannel = NotificationChannel(
@@ -41,7 +41,7 @@ object NotificationUtils {
         return dmChannel!!
     }
 
-    private fun getOrCreateZapChannel(applicationContext: Context): NotificationChannel {
+    fun NotificationManager.getOrCreateZapChannel(applicationContext: Context): NotificationChannel {
         if (zapChannel != null) return zapChannel!!
 
         zapChannel = NotificationChannel(

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

@@ -5,7 +5,7 @@ import com.vitorpamplona.amethyst.AccountInfo
 import com.vitorpamplona.amethyst.BuildConfig
 import com.vitorpamplona.amethyst.LocalPreferences
 import com.vitorpamplona.amethyst.service.HttpClient
-import com.vitorpamplona.amethyst.service.model.RelayAuthEvent
+import com.vitorpamplona.quartz.events.RelayAuthEvent
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job

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

@@ -2,8 +2,8 @@ package com.vitorpamplona.amethyst.service.relays
 
 import com.vitorpamplona.amethyst.service.HttpClient
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
-import com.vitorpamplona.amethyst.service.model.Event
-import com.vitorpamplona.amethyst.service.model.EventInterface
+import com.vitorpamplona.quartz.events.Event
+import com.vitorpamplona.quartz.events.EventInterface
 import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
@@ -17,16 +17,6 @@ import java.util.UUID
  * Events are stored with their respective persona.
  */
 object Client : RelayPool.Listener {
-    /**
-     * Lenient mode:
-     *
-     * true: For maximum compatibility. If you want to play ball with sloppy counterparts, use
-     *       this.
-     * false: For developers who want to make protocol compliant counterparts. If your software
-     *        produces events that fail to deserialize in strict mode, you should probably fix
-     *        something.
-     **/
-    var lenient: Boolean = false
     private var listeners = setOf<Listener>()
     private var relays = Constants.convertDefaultRelays()
     private var subscriptions = mapOf<String, List<TypedFilter>>()

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

@@ -1,9 +1,6 @@
 package com.vitorpamplona.amethyst.service.relays
 
-import com.google.gson.Gson
-import com.google.gson.GsonBuilder
-import com.google.gson.JsonArray
-import com.google.gson.JsonObject
+import com.vitorpamplona.quartz.events.Event
 
 class JsonFilter(
     val ids: List<String>? = null,
@@ -15,51 +12,64 @@ class JsonFilter(
     val limit: Int? = null,
     val search: String? = null
 ) {
+
     fun toJson(forRelay: String? = null): String {
-        val jsonObject = JsonObject()
-        ids?.run {
-            jsonObject.add("ids", JsonArray().apply { ids.forEach { add(it) } })
-        }
-        authors?.run {
-            jsonObject.add("authors", JsonArray().apply { authors.forEach { add(it) } })
-        }
-        kinds?.run {
-            jsonObject.add("kinds", JsonArray().apply { kinds.forEach { add(it) } })
-        }
-        tags?.run {
-            entries.forEach { kv ->
-                jsonObject.add("#${kv.key}", JsonArray().apply { kv.value.forEach { add(it) } })
+        val factory = Event.mapper.nodeFactory
+        val filter = factory.objectNode().apply {
+            ids?.run {
+                put(
+                    "ids",
+                    factory.arrayNode(ids.size).apply {
+                        ids.forEach { add(it) }
+                    }
+                )
             }
-        }
-        since?.run {
-            if (!isEmpty()) {
-                if (forRelay != null) {
-                    val relaySince = get(forRelay)
-                    if (relaySince != null) {
-                        jsonObject.addProperty("since", relaySince.time)
+            authors?.run {
+                put(
+                    "authors",
+                    factory.arrayNode(authors.size).apply {
+                        authors.forEach { add(it) }
                     }
-                } else {
-                    val jsonObjectSince = JsonObject()
-                    entries.forEach { sincePairs ->
-                        jsonObjectSince.addProperty(sincePairs.key, "${sincePairs.value}")
+                )
+            }
+            kinds?.run {
+                put(
+                    "kinds",
+                    factory.arrayNode(kinds.size).apply {
+                        kinds.forEach { add(it) }
                     }
-                    jsonObject.add("since", jsonObjectSince)
+                )
+            }
+            tags?.run {
+                entries.forEach { kv ->
+                    put(
+                        "#${kv.key}",
+                        factory.arrayNode(kv.value.size).apply {
+                            kv.value.forEach { add(it) }
+                        }
+                    )
                 }
             }
+            since?.run {
+                if (!isEmpty()) {
+                    if (forRelay != null) {
+                        val relaySince = get(forRelay)
+                        if (relaySince != null) {
+                            put("since", relaySince.time)
+                        }
+                    } else {
+                        val jsonObjectSince = factory.objectNode()
+                        entries.forEach { sincePairs ->
+                            put(sincePairs.key, "${sincePairs.value}")
+                        }
+                        put("since", jsonObjectSince)
+                    }
+                }
+            }
+            until?.run { put("until", until) }
+            limit?.run { put("limit", limit) }
+            search?.run { put("search", search) }
         }
-        until?.run {
-            jsonObject.addProperty("until", until)
-        }
-        limit?.run {
-            jsonObject.addProperty("limit", limit)
-        }
-        search?.run {
-            jsonObject.addProperty("search", search)
-        }
-        return gson.toJson(jsonObject)
-    }
-
-    companion object {
-        val gson: Gson = GsonBuilder().create()
+        return Event.mapper.writeValueAsString(filter)
     }
 }

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

@@ -1,13 +1,13 @@
 package com.vitorpamplona.amethyst.service.relays
 
 import android.util.Log
-import com.google.gson.JsonElement
 import com.vitorpamplona.amethyst.BuildConfig
-import com.vitorpamplona.amethyst.model.TimeUtils
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
-import com.vitorpamplona.amethyst.service.model.Event
-import com.vitorpamplona.amethyst.service.model.EventInterface
-import com.vitorpamplona.amethyst.service.model.RelayAuthEvent
+import com.vitorpamplona.quartz.events.Event
+import com.vitorpamplona.quartz.events.EventInterface
+import com.vitorpamplona.quartz.events.RelayAuthEvent
+import com.vitorpamplona.quartz.events.bytesUsedInMemory
+import com.vitorpamplona.quartz.utils.TimeUtils
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.Response
@@ -189,13 +189,13 @@ class Relay(
     }
 
     fun processNewRelayMessage(newMessage: String) {
-        val msgArray = Event.gson.fromJson(newMessage, JsonElement::class.java).asJsonArray
-        val type = msgArray[0].asString
-        val channel = msgArray[1].asString
+        val msgArray = Event.mapper.readTree(newMessage)
+        val type = msgArray.get(0).asText()
+        val channel = msgArray.get(1).asText()
 
         when (type) {
             "EVENT" -> {
-                val event = Event.fromJson(msgArray[2], Client.lenient)
+                val event = Event.fromJson(msgArray.get(2))
 
                 // Log.w("Relay", "Relay onEVENT $url, $channel")
                 listeners.forEach {
@@ -215,12 +215,12 @@ class Relay(
                 it.onError(this@Relay, channel, Error("Relay sent notice: " + channel))
             }
             "OK" -> listeners.forEach {
-                Log.w("Relay", "Relay on OK $url, ${msgArray[1].asString}, ${msgArray[2].asBoolean}, ${msgArray[3].asString}")
-                it.onSendResponse(this@Relay, msgArray[1].asString, msgArray[2].asBoolean, msgArray[3].asString)
+                Log.w("Relay", "Relay on OK $url, ${msgArray[1].asText()}, ${msgArray[2].asBoolean()}, ${msgArray[3].asText()}")
+                it.onSendResponse(this@Relay, msgArray[1].asText(), msgArray[2].asBoolean(), msgArray[3].asText())
             }
             "AUTH" -> listeners.forEach {
                 // Log.w("Relay", "Relay$url, ${msg[1].asString}")
-                it.onAuth(this@Relay, msgArray[1].asString)
+                it.onAuth(this@Relay, msgArray[1].asText())
             }
             else -> listeners.forEach {
                 // Log.w("Relay", "Relay something else $url, $channel")
@@ -343,7 +343,3 @@ 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/RelayPool.kt

@@ -2,8 +2,8 @@ package com.vitorpamplona.amethyst.service.relays
 
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
-import com.vitorpamplona.amethyst.service.model.Event
-import com.vitorpamplona.amethyst.service.model.EventInterface
+import com.vitorpamplona.quartz.events.Event
+import com.vitorpamplona.quartz.events.EventInterface
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job

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

@@ -1,8 +1,7 @@
 package com.vitorpamplona.amethyst.service.relays
 
-import com.google.gson.GsonBuilder
-import com.google.gson.JsonArray
-import com.google.gson.JsonObject
+import com.fasterxml.jackson.databind.JsonNode
+import com.vitorpamplona.quartz.events.Event
 import java.util.UUID
 
 data class Subscription(
@@ -16,15 +15,24 @@ data class Subscription(
     }
 
     fun toJson(): String {
-        return GsonBuilder().create().toJson(toJsonObject())
+        return Event.mapper.writeValueAsString(toJsonObject())
     }
 
-    fun toJsonObject(): JsonObject {
-        val jsonObject = JsonObject()
-        jsonObject.addProperty("id", id)
-        typedFilters?.run {
-            jsonObject.add("typedFilters", JsonArray().apply { typedFilters?.forEach { add(it.toJsonObject()) } })
+    fun toJsonObject(): JsonNode {
+        val factory = Event.mapper.nodeFactory
+
+        return factory.objectNode().apply {
+            put("id", id)
+            typedFilters?.also { filters ->
+                put(
+                    "typedFilters",
+                    factory.arrayNode(filters.size).apply {
+                        filters.forEach { filter ->
+                            add(filter.toJsonObject())
+                        }
+                    }
+                )
+            }
         }
-        return jsonObject
     }
 }

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

@@ -1,8 +1,8 @@
 package com.vitorpamplona.amethyst.service.relays
 
-import com.google.gson.GsonBuilder
-import com.google.gson.JsonArray
-import com.google.gson.JsonObject
+import com.fasterxml.jackson.databind.JsonNode
+import com.fasterxml.jackson.databind.node.ArrayNode
+import com.vitorpamplona.quartz.events.Event
 
 class TypedFilter(
     val types: Set<FeedType>,
@@ -10,54 +10,74 @@ class TypedFilter(
 ) {
 
     fun toJson(): String {
-        return GsonBuilder().create().toJson(toJsonObject())
+        return Event.mapper.writeValueAsString(toJsonObject())
     }
 
-    fun toJsonObject(): JsonObject {
-        val jsonObject = JsonObject()
-        jsonObject.add("types", typesToJson(types))
-        jsonObject.add("filter", filterToJson(filter))
-        return jsonObject
+    fun toJsonObject(): JsonNode {
+        val factory = Event.mapper.nodeFactory
+
+        return factory.objectNode().apply {
+            put("types", typesToJson(types))
+            put("filter", filterToJson(filter))
+        }
     }
 
-    fun typesToJson(types: Set<FeedType>): JsonArray {
-        return JsonArray().apply { types.forEach { add(it.name.lowercase()) } }
+    fun typesToJson(types: Set<FeedType>): ArrayNode {
+        val factory = Event.mapper.nodeFactory
+        return factory.arrayNode(types.size).apply {
+            types.forEach { add(it.name.lowercase()) }
+        }
     }
 
-    fun filterToJson(filter: JsonFilter): JsonObject {
-        val jsonObject = JsonObject()
-        filter.ids?.run {
-            jsonObject.add("ids", JsonArray().apply { filter.ids.forEach { add(it) } })
-        }
-        filter.authors?.run {
-            jsonObject.add("authors", JsonArray().apply { filter.authors.forEach { add(it) } })
-        }
-        filter.kinds?.run {
-            jsonObject.add("kinds", JsonArray().apply { filter.kinds.forEach { add(it) } })
-        }
-        filter.tags?.run {
-            entries.forEach { kv ->
-                jsonObject.add("#${kv.key}", JsonArray().apply { kv.value.forEach { add(it) } })
+    fun filterToJson(filter: JsonFilter): JsonNode {
+        val factory = Event.mapper.nodeFactory
+        return factory.objectNode().apply {
+            filter.ids?.run {
+                put(
+                    "ids",
+                    factory.arrayNode(filter.ids.size).apply {
+                        filter.ids.forEach { add(it) }
+                    }
+                )
             }
-        }
-        /*
-        Does not include since in the json comparison
-        filter.since?.run {
-            val jsonObjectSince = JsonObject()
-            entries.forEach { sincePairs ->
-                jsonObjectSince.addProperty(sincePairs.key, "${sincePairs.value}")
+            filter.authors?.run {
+                put(
+                    "authors",
+                    factory.arrayNode(filter.authors.size).apply {
+                        filter.authors.forEach { add(it) }
+                    }
+                )
             }
-            jsonObject.add("since", jsonObjectSince)
-        }*/
-        filter.until?.run {
-            jsonObject.addProperty("until", filter.until)
+            filter.kinds?.run {
+                put(
+                    "kinds",
+                    factory.arrayNode(filter.kinds.size).apply {
+                        filter.kinds.forEach { add(it) }
+                    }
+                )
+            }
+            filter.tags?.run {
+                entries.forEach { kv ->
+                    put(
+                        "#${kv.key}",
+                        factory.arrayNode(kv.value.size).apply {
+                            kv.value.forEach { add(it) }
+                        }
+                    )
+                }
+            }
+            /*
+            Does not include since in the json comparison
+            filter.since?.run {
+                val jsonObjectSince = JsonObject()
+                entries.forEach { sincePairs ->
+                    jsonObjectSince.addProperty(sincePairs.key, "${sincePairs.value}")
+                }
+                jsonObject.add("since", jsonObjectSince)
+            }*/
+            filter.until?.run { put("until", filter.until) }
+            filter.limit?.run { put("limit", filter.limit) }
+            filter.search?.run { put("search", filter.search) }
         }
-        filter.limit?.run {
-            jsonObject.addProperty("limit", filter.limit)
-        }
-        filter.search?.run {
-            jsonObject.addProperty("search", filter.search)
-        }
-        return jsonObject
     }
 }

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

@@ -17,24 +17,13 @@ import androidx.appcompat.app.AppCompatDelegate
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Surface
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.core.os.LocaleListCompat
 import androidx.lifecycle.viewmodel.compose.viewModel
-import com.vitorpamplona.amethyst.BuildConfig
 import com.vitorpamplona.amethyst.LocalPreferences
 import com.vitorpamplona.amethyst.ServiceManager
 import com.vitorpamplona.amethyst.service.connectivitystatus.ConnectivityStatus
-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.CommunityDefinitionEvent
-import com.vitorpamplona.amethyst.service.model.LiveActivitiesEvent
-import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
-import com.vitorpamplona.amethyst.service.nip19.Nip19
 import com.vitorpamplona.amethyst.service.notifications.PushNotificationUtils
-import com.vitorpamplona.amethyst.service.relays.Client
 import com.vitorpamplona.amethyst.ui.components.DefaultMutedSetting
 import com.vitorpamplona.amethyst.ui.components.keepPlayingMutex
 import com.vitorpamplona.amethyst.ui.navigation.Route
@@ -44,6 +33,13 @@ import com.vitorpamplona.amethyst.ui.screen.AccountScreen
 import com.vitorpamplona.amethyst.ui.screen.AccountStateViewModel
 import com.vitorpamplona.amethyst.ui.screen.ThemeViewModel
 import com.vitorpamplona.amethyst.ui.theme.AmethystTheme
+import com.vitorpamplona.quartz.encoders.Nip19
+import com.vitorpamplona.quartz.events.ChannelCreateEvent
+import com.vitorpamplona.quartz.events.ChannelMessageEvent
+import com.vitorpamplona.quartz.events.ChannelMetadataEvent
+import com.vitorpamplona.quartz.events.CommunityDefinitionEvent
+import com.vitorpamplona.quartz.events.LiveActivitiesEvent
+import com.vitorpamplona.quartz.events.PrivateDmEvent
 import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
@@ -87,8 +83,6 @@ class MainActivity : AppCompatActivity() {
 
         val connectivityManager = getSystemService(ConnectivityManager::class.java) as ConnectivityManager
         connectivityManager.requestNetwork(networkRequest, networkCallback)
-
-        Client.lenient = true
     }
 
     @OptIn(DelicateCoroutinesApi::class)
@@ -107,9 +101,9 @@ class MainActivity : AppCompatActivity() {
     }
 
     override fun onPause() {
-        if (BuildConfig.DEBUG) {
-            debugState(this)
-        }
+        // if (BuildConfig.DEBUG) {
+        debugState(this)
+        // }
 
         ServiceManager.pause()
         super.onPause()
@@ -202,7 +196,9 @@ fun uriToRoute(uri: String?): String? {
                 Nip19.Type.NOTE -> "Note/${nip19.hex}"
                 Nip19.Type.EVENT -> {
                     if (nip19.kind == PrivateDmEvent.kind) {
-                        "Room/${nip19.author}"
+                        nip19.author?.let {
+                            "RoomByAuthor/$it"
+                        }
                     } else if (nip19.kind == ChannelMessageEvent.kind || nip19.kind == ChannelCreateEvent.kind || nip19.kind == ChannelMetadataEvent.kind) {
                         "Channel/${nip19.hex}"
                     } else {

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

@@ -141,6 +141,7 @@ object ImageUploader {
 
     fun NIP98Header(url: String, method: String, body: String): String {
         val noteJson = account.createHTTPAuthorization(url, method, body)?.toJson() ?: ""
+
         val encodedNIP98Event: String = Base64.getEncoder().encodeToString(noteJson.toByteArray())
         return "Nostr " + encodedNIP98Event
     }

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

@@ -67,6 +67,8 @@ import com.vitorpamplona.amethyst.ui.screen.loggedIn.SearchBarViewModel
 import com.vitorpamplona.amethyst.ui.theme.Size20Modifier
 import com.vitorpamplona.amethyst.ui.theme.Size55dp
 import com.vitorpamplona.amethyst.ui.theme.placeholderText
+import com.vitorpamplona.quartz.events.ChatroomKey
+import kotlinx.collections.immutable.persistentSetOf
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.delay
@@ -300,6 +302,7 @@ private fun RenderSearchResults(
     if (searchBarViewModel.isSearching) {
         val users by searchBarViewModel.searchResultsUsers.collectAsState()
         val channels by searchBarViewModel.searchResultsChannels.collectAsState()
+        val scope = rememberCoroutineScope()
 
         Row(
             modifier = Modifier
@@ -320,7 +323,12 @@ private fun RenderSearchResults(
                     key = { _, item -> "u" + item.pubkeyHex }
                 ) { _, item ->
                     UserComposeForChat(item, accountViewModel) {
-                        nav("Room/${item.pubkeyHex}")
+                        scope.launch(Dispatchers.IO) {
+                            val withKey = ChatroomKey(persistentSetOf(item.pubkeyHex))
+                            accountViewModel.userProfile().createChatroom(withKey)
+                            nav("Room/${withKey.hashCode()}")
+                        }
+
                         searchBarViewModel.clear()
                     }
                 }

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

@@ -7,14 +7,15 @@ import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.LocalTextStyle
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.OutlinedTextField
 import androidx.compose.material.Surface
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
@@ -28,8 +29,6 @@ import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.PublicChatChannel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.theme.placeholderText
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
 
 @Composable
 fun NewChannelView(onClose: () -> Unit, accountViewModel: AccountViewModel, channel: PublicChatChannel? = null) {
@@ -44,7 +43,7 @@ fun NewChannelView(onClose: () -> Unit, accountViewModel: AccountViewModel, chan
     ) {
         Surface() {
             Column(
-                modifier = Modifier.padding(10.dp)
+                modifier = Modifier.padding(10.dp).verticalScroll(rememberScrollState())
             ) {
                 Row(
                     modifier = Modifier
@@ -57,14 +56,10 @@ fun NewChannelView(onClose: () -> Unit, accountViewModel: AccountViewModel, chan
                         onClose()
                     })
 
-                    val scope = rememberCoroutineScope()
-
                     PostButton(
                         onPost = {
-                            scope.launch(Dispatchers.IO) {
-                                postViewModel.create()
-                                onClose()
-                            }
+                            postViewModel.create()
+                            onClose()
                         },
                         postViewModel.channelName.value.text.isNotBlank()
                     )

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

@@ -3,8 +3,11 @@ package com.vitorpamplona.amethyst.ui.actions
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.ui.text.input.TextFieldValue
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.PublicChatChannel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 
 class NewChannelViewModel : ViewModel() {
     private var account: Account? = null
@@ -25,24 +28,26 @@ class NewChannelViewModel : ViewModel() {
     }
 
     fun create() {
-        this.account?.let { account ->
-            if (originalChannel == null) {
-                account.sendCreateNewChannel(
-                    channelName.value.text,
-                    channelDescription.value.text,
-                    channelPicture.value.text
-                )
-            } else {
-                account.sendChangeChannel(
-                    channelName.value.text,
-                    channelDescription.value.text,
-                    channelPicture.value.text,
-                    originalChannel!!
-                )
+        viewModelScope.launch(Dispatchers.IO) {
+            account?.let { account ->
+                if (originalChannel == null) {
+                    account.sendCreateNewChannel(
+                        channelName.value.text,
+                        channelDescription.value.text,
+                        channelPicture.value.text
+                    )
+                } else {
+                    account.sendChangeChannel(
+                        channelName.value.text,
+                        channelDescription.value.text,
+                        channelPicture.value.text,
+                        originalChannel!!
+                    )
+                }
             }
-        }
 
-        clear()
+            clear()
+        }
     }
 
     fun clear() {

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

@@ -57,7 +57,7 @@ import kotlinx.coroutines.withContext
 
 @Composable
 fun NewMediaView(uri: Uri, onClose: () -> Unit, postViewModel: NewMediaModel, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
-    val account = accountViewModel.accountLiveData.value?.account ?: return
+    val account = accountViewModel.account
     val resolver = LocalContext.current.contentResolver
     val context = LocalContext.current
 
@@ -241,6 +241,7 @@ fun ImageVideoPost(postViewModel: NewMediaModel, accountViewModel: AccountViewMo
             postViewModel.galleryUri?.let {
                 VideoView(
                     videoUri = it.toString(),
+                    roundedCorner = false,
                     accountViewModel = accountViewModel
                 )
             }

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

@@ -1,13 +1,13 @@
 package com.vitorpamplona.amethyst.ui.actions
 
-import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
-import com.vitorpamplona.amethyst.service.KeyPair
-import com.vitorpamplona.amethyst.service.bechToBytes
-import com.vitorpamplona.amethyst.service.nip19.Nip19
-import com.vitorpamplona.amethyst.service.toNpub
+import com.vitorpamplona.quartz.crypto.KeyPair
+import com.vitorpamplona.quartz.encoders.HexKey
+import com.vitorpamplona.quartz.encoders.Nip19
+import com.vitorpamplona.quartz.encoders.bechToBytes
+import com.vitorpamplona.quartz.encoders.toNpub
 
 class NewMessageTagger(
     var message: String,

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

@@ -34,7 +34,6 @@ import androidx.compose.material.icons.rounded.Warning
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.Stable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
@@ -88,10 +87,12 @@ import com.vitorpamplona.amethyst.ui.note.NoteCompose
 import com.vitorpamplona.amethyst.ui.note.PollIcon
 import com.vitorpamplona.amethyst.ui.note.RegularPostIcon
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import com.vitorpamplona.amethyst.ui.screen.loggedIn.MyTextField
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.TextSpinner
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.UserLine
 import com.vitorpamplona.amethyst.ui.theme.BitcoinOrange
 import com.vitorpamplona.amethyst.ui.theme.ButtonBorder
+import com.vitorpamplona.amethyst.ui.theme.Font14SP
 import com.vitorpamplona.amethyst.ui.theme.QuoteBorder
 import com.vitorpamplona.amethyst.ui.theme.Size10dp
 import com.vitorpamplona.amethyst.ui.theme.Size5dp
@@ -100,6 +101,7 @@ import com.vitorpamplona.amethyst.ui.theme.mediumImportanceLink
 import com.vitorpamplona.amethyst.ui.theme.placeholderText
 import com.vitorpamplona.amethyst.ui.theme.replyModifier
 import com.vitorpamplona.amethyst.ui.theme.subtleBorder
+import com.vitorpamplona.quartz.events.toImmutableListOfLists
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
@@ -110,17 +112,21 @@ import kotlinx.coroutines.withContext
 
 @OptIn(ExperimentalComposeUiApi::class)
 @Composable
-fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = null, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
+fun NewPostView(
+    onClose: () -> Unit,
+    baseReplyTo: Note? = null,
+    quote: Note? = null,
+    enableMessageInterface: Boolean = false,
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit
+) {
     val account = remember(accountViewModel) { accountViewModel.account }
 
     val postViewModel: NewPostViewModel = viewModel()
+    postViewModel.wantsDirectMessage = enableMessageInterface
 
     val context = LocalContext.current
 
-    // initialize focus reference to be able to request focus programmatically
-    val focusRequester = remember { FocusRequester() }
-    val keyboardController = LocalSoftwareKeyboardController.current
-
     val scrollState = rememberScrollState()
     val scope = rememberCoroutineScope()
     var showRelaysDialog by remember {
@@ -136,8 +142,6 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
 
     LaunchedEffect(Unit) {
         postViewModel.load(account, baseReplyTo, quote)
-        delay(100)
-        focusRequester.requestFocus()
 
         launch(Dispatchers.IO) {
             postViewModel.imageUploadingError.collect { error ->
@@ -254,74 +258,23 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                                 postViewModel.removeFromReplyList(it)
                             }
 
-                            OutlinedTextField(
-                                value = postViewModel.message,
-                                onValueChange = {
-                                    postViewModel.updateMessage(it)
-                                },
-                                keyboardOptions = KeyboardOptions.Default.copy(
-                                    capitalization = KeyboardCapitalization.Sentences
-                                ),
-                                modifier = Modifier
-                                    .fillMaxWidth()
-                                    .border(
-                                        width = 1.dp,
-                                        color = MaterialTheme.colors.surface,
-                                        shape = RoundedCornerShape(8.dp)
-                                    )
-                                    .focusRequester(focusRequester)
-                                    .onFocusChanged {
-                                        if (it.isFocused) {
-                                            keyboardController?.show()
-                                        }
-                                    },
-                                placeholder = {
-                                    Text(
-                                        text = stringResource(R.string.what_s_on_your_mind),
-                                        color = MaterialTheme.colors.placeholderText
-                                    )
-                                },
-                                colors = TextFieldDefaults
-                                    .outlinedTextFieldColors(
-                                        unfocusedBorderColor = Color.Transparent,
-                                        focusedBorderColor = Color.Transparent
-                                    ),
-                                visualTransformation = UrlUserTagTransformation(MaterialTheme.colors.primary),
-                                textStyle = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
-                            )
+                            if (enableMessageInterface) {
+                                Row(
+                                    verticalAlignment = Alignment.CenterVertically,
+                                    modifier = Modifier.padding(vertical = Size5dp, horizontal = Size10dp)
+                                ) {
+                                    SendDirectMessageTo(postViewModel = postViewModel)
+                                }
+                            }
+
+                            MessageField(postViewModel)
 
                             if (postViewModel.wantsPoll) {
                                 Row(
                                     verticalAlignment = Alignment.CenterVertically,
                                     modifier = Modifier.padding(vertical = Size5dp, horizontal = Size10dp)
                                 ) {
-                                    Column(
-                                        modifier = Modifier.fillMaxWidth()
-                                    ) {
-                                        postViewModel.pollOptions.values.forEachIndexed { index, _ ->
-                                            NewPollOption(postViewModel, index)
-                                        }
-
-                                        Button(
-                                            onClick = {
-                                                postViewModel.pollOptions[postViewModel.pollOptions.size] =
-                                                    ""
-                                            },
-                                            border = BorderStroke(
-                                                1.dp,
-                                                MaterialTheme.colors.placeholderText
-                                            ),
-                                            colors = ButtonDefaults.outlinedButtonColors(
-                                                contentColor = MaterialTheme.colors.placeholderText
-                                            )
-                                        ) {
-                                            Image(
-                                                painterResource(id = android.R.drawable.ic_input_add),
-                                                contentDescription = "Add poll option button",
-                                                modifier = Modifier.size(18.dp)
-                                            )
-                                        }
-                                    }
+                                    PollField(postViewModel)
                                 }
                             }
 
@@ -432,7 +385,7 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                                                     )
                                             )
                                         } else if (videoExtensions.any { removedParamsFromUrl.endsWith(it) }) {
-                                            VideoView(myUrlPreview, accountViewModel = accountViewModel)
+                                            VideoView(myUrlPreview, roundedCorner = true, accountViewModel = accountViewModel)
                                         } else {
                                             UrlPreview(myUrlPreview, myUrlPreview, accountViewModel)
                                         }
@@ -529,6 +482,89 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
     }
 }
 
+@Composable
+private fun PollField(postViewModel: NewPostViewModel) {
+    Column(
+        modifier = Modifier.fillMaxWidth()
+    ) {
+        postViewModel.pollOptions.values.forEachIndexed { index, _ ->
+            NewPollOption(postViewModel, index)
+        }
+
+        Button(
+            onClick = {
+                postViewModel.pollOptions[postViewModel.pollOptions.size] =
+                    ""
+            },
+            border = BorderStroke(
+                1.dp,
+                MaterialTheme.colors.placeholderText
+            ),
+            colors = ButtonDefaults.outlinedButtonColors(
+                contentColor = MaterialTheme.colors.placeholderText
+            )
+        ) {
+            Image(
+                painterResource(id = android.R.drawable.ic_input_add),
+                contentDescription = "Add poll option button",
+                modifier = Modifier.size(18.dp)
+            )
+        }
+    }
+}
+
+@OptIn(ExperimentalComposeUiApi::class)
+@Composable
+private fun MessageField(
+    postViewModel: NewPostViewModel
+) {
+    val focusRequester = remember { FocusRequester() }
+    val keyboardController = LocalSoftwareKeyboardController.current
+
+    LaunchedEffect(Unit) {
+        launch {
+            delay(200)
+            focusRequester.requestFocus()
+        }
+    }
+
+    OutlinedTextField(
+        value = postViewModel.message,
+        onValueChange = {
+            postViewModel.updateMessage(it)
+        },
+        keyboardOptions = KeyboardOptions.Default.copy(
+            capitalization = KeyboardCapitalization.Sentences
+        ),
+        modifier = Modifier
+            .fillMaxWidth()
+            .border(
+                width = 1.dp,
+                color = MaterialTheme.colors.surface,
+                shape = RoundedCornerShape(8.dp)
+            )
+            .focusRequester(focusRequester)
+            .onFocusChanged {
+                if (it.isFocused) {
+                    keyboardController?.show()
+                }
+            },
+        placeholder = {
+            Text(
+                text = stringResource(R.string.what_s_on_your_mind),
+                color = MaterialTheme.colors.placeholderText
+            )
+        },
+        colors = TextFieldDefaults
+            .outlinedTextFieldColors(
+                unfocusedBorderColor = Color.Transparent,
+                focusedBorderColor = Color.Transparent
+            ),
+        visualTransformation = UrlUserTagTransformation(MaterialTheme.colors.primary),
+        textStyle = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
+    )
+}
+
 @Composable
 fun ContentSensitivityExplainer(postViewModel: NewPostViewModel) {
     Column(
@@ -581,6 +617,86 @@ fun ContentSensitivityExplainer(postViewModel: NewPostViewModel) {
     }
 }
 
+@Composable
+fun SendDirectMessageTo(postViewModel: NewPostViewModel) {
+    Column(
+        modifier = Modifier.fillMaxWidth()
+    ) {
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            Text(
+                text = stringResource(R.string.messages_new_message_to),
+                fontSize = Font14SP,
+                fontWeight = FontWeight.W500
+            )
+
+            MyTextField(
+                value = postViewModel.toUsers,
+                onValueChange = {
+                    postViewModel.updateToUsers(it)
+                },
+                modifier = Modifier.fillMaxWidth(),
+                placeholder = {
+                    Text(
+                        text = stringResource(R.string.messages_new_message_to_caption),
+                        color = MaterialTheme.colors.placeholderText
+                    )
+                },
+                visualTransformation = UrlUserTagTransformation(
+                    MaterialTheme.colors.primary
+                ),
+                colors = TextFieldDefaults
+                    .outlinedTextFieldColors(
+                        unfocusedBorderColor = Color.Transparent,
+                        focusedBorderColor = Color.Transparent
+                    ),
+                textStyle = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
+            )
+        }
+
+        Divider()
+
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier
+                .fillMaxWidth()
+        ) {
+            Text(
+                text = stringResource(R.string.messages_new_message_subject),
+                fontSize = Font14SP,
+                fontWeight = FontWeight.W500
+            )
+
+            MyTextField(
+                value = postViewModel.subject,
+                onValueChange = {
+                    postViewModel.updateSubject(it)
+                },
+                modifier = Modifier.fillMaxWidth(),
+                placeholder = {
+                    Text(
+                        text = stringResource(R.string.messages_new_message_subject_caption),
+                        color = MaterialTheme.colors.placeholderText
+                    )
+                },
+                visualTransformation = UrlUserTagTransformation(
+                    MaterialTheme.colors.primary
+                ),
+                colors = TextFieldDefaults
+                    .outlinedTextFieldColors(
+                        unfocusedBorderColor = Color.Transparent,
+                        focusedBorderColor = Color.Transparent
+                    ),
+                textStyle = LocalTextStyle.current.copy(textDirection = TextDirection.Content)
+            )
+        }
+
+        Divider()
+    }
+}
+
 @Composable
 fun FowardZapTo(postViewModel: NewPostViewModel) {
     Column(
@@ -1249,7 +1365,7 @@ fun ImageVideoDescription(
                         )
                     }
                 } else {
-                    VideoView(uri.toString(), accountViewModel = accountViewModel)
+                    VideoView(uri.toString(), roundedCorner = true, accountViewModel = accountViewModel)
                 }
             }
 
@@ -1330,13 +1446,6 @@ fun ImageVideoDescription(
     }
 }
 
-@Stable
-data class ImmutableListOfLists<T>(val lists: List<List<T>> = emptyList())
-
-fun List<List<String>>.toImmutableListOfLists(): ImmutableListOfLists<String> {
-    return ImmutableListOfLists(this)
-}
-
 @Composable
 fun SettingSwitchItem(
     modifier: Modifier = Modifier,

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

@@ -18,24 +18,34 @@ import com.vitorpamplona.amethyst.model.*
 import com.vitorpamplona.amethyst.service.FileHeader
 import com.vitorpamplona.amethyst.service.LocationUtil
 import com.vitorpamplona.amethyst.service.NostrSearchEventOrUserDataSource
-import com.vitorpamplona.amethyst.service.model.AddressableEvent
-import com.vitorpamplona.amethyst.service.model.BaseTextNoteEvent
-import com.vitorpamplona.amethyst.service.model.CommunityDefinitionEvent
-import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
-import com.vitorpamplona.amethyst.service.model.TextNoteEvent
 import com.vitorpamplona.amethyst.service.noProtocolUrlValidator
 import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.ui.components.MediaCompressor
 import com.vitorpamplona.amethyst.ui.components.isValidURL
+import com.vitorpamplona.quartz.encoders.HexKey
+import com.vitorpamplona.quartz.events.AddressableEvent
+import com.vitorpamplona.quartz.events.BaseTextNoteEvent
+import com.vitorpamplona.quartz.events.ChatMessageEvent
+import com.vitorpamplona.quartz.events.CommunityDefinitionEvent
+import com.vitorpamplona.quartz.events.PrivateDmEvent
+import com.vitorpamplona.quartz.events.TextNoteEvent
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.mapLatest
 import kotlinx.coroutines.launch
 
+enum class UserSuggestionAnchor {
+    MAIN_MESSAGE,
+    FORWARD_ZAPS,
+    TO_USERS
+}
+
 @Stable
 open class NewPostViewModel() : ViewModel() {
     var account: Account? = null
+    var requiresNIP24: Boolean = false
+
     var originalNote: Note? = null
 
     var mentions by mutableStateOf<List<User>?>(null)
@@ -48,7 +58,12 @@ open class NewPostViewModel() : ViewModel() {
 
     var userSuggestions by mutableStateOf<List<User>>(emptyList())
     var userSuggestionAnchor: TextRange? = null
-    var userSuggestionsMainMessage: Boolean? = null
+    var userSuggestionsMainMessage: UserSuggestionAnchor? = null
+
+    // DMs
+    var wantsDirectMessage by mutableStateOf(false)
+    var toUsers by mutableStateOf(TextFieldValue(""))
+    var subject by mutableStateOf(TextFieldValue(""))
 
     // Images and Videos
     var contentToAddUrl by mutableStateOf<Uri?>(null)
@@ -91,6 +106,9 @@ open class NewPostViewModel() : ViewModel() {
     var wantsZapraiser by mutableStateOf(false)
     var zapRaiserAmount by mutableStateOf<Long?>(null)
 
+    // NIP24 Wrapped DMs / Group messages
+    var nip24 by mutableStateOf(false)
+
     open fun load(account: Account, replyingTo: Note?, quote: Note?) {
         originalNote = replyingTo
         replyingTo?.let { replyNote ->
@@ -143,6 +161,10 @@ open class NewPostViewModel() : ViewModel() {
         val tagger = NewMessageTagger(message.text, mentions, replyTos, originalNote?.channelHex())
         tagger.run()
 
+        val toUsersTagger = NewMessageTagger(toUsers.text, null, null, null)
+        toUsersTagger.run()
+        val dmUsers = toUsersTagger.mentions
+
         val zapReceiver = if (wantsForwardZapTo) {
             if (forwardZapTo != null) {
                 forwardZapTo?.info?.lud16 ?: forwardZapTo?.info?.lud06
@@ -162,23 +184,7 @@ open class NewPostViewModel() : ViewModel() {
 
         val localZapRaiserAmount = if (wantsZapraiser) zapRaiserAmount else null
 
-        if (wantsPoll) {
-            account?.sendPoll(
-                tagger.message,
-                tagger.replyTos,
-                tagger.mentions,
-                pollOptions,
-                valueMaximum,
-                valueMinimum,
-                consensusThreshold,
-                closedAt,
-                zapReceiver,
-                wantsToMarkAsSensitive,
-                localZapRaiserAmount,
-                relayList,
-                geoHash
-            )
-        } else if (originalNote?.channelHex() != null) {
+        if (originalNote?.channelHex() != null) {
             if (originalNote is AddressableEvent && originalNote?.address() != null) {
                 account?.sendLiveMessage(tagger.message, originalNote?.address()!!, tagger.replyTos, tagger.mentions, zapReceiver, wantsToMarkAsSensitive, localZapRaiserAmount, geoHash)
             } else {
@@ -186,28 +192,85 @@ open class NewPostViewModel() : ViewModel() {
             }
         } else if (originalNote?.event is PrivateDmEvent) {
             account?.sendPrivateMessage(tagger.message, originalNote!!.author!!, originalNote!!, tagger.mentions, zapReceiver, wantsToMarkAsSensitive, localZapRaiserAmount, geoHash)
-        } else {
-            // adds markers
-            val rootId =
-                (originalNote?.event as? TextNoteEvent)?.root() // if it has a marker as root
-                    ?: originalNote?.replyTo?.firstOrNull { it.event != null && it.replyTo?.isEmpty() == true }?.idHex // if it has loaded events with zero replies in the reply list
-                    ?: originalNote?.replyTo?.firstOrNull()?.idHex // old rules, first item is root.
-            val replyId = originalNote?.idHex
+        } else if (originalNote?.event is ChatMessageEvent) {
+            val receivers = (originalNote?.event as ChatMessageEvent).recipientsPubKey().plus(originalNote?.author?.pubkeyHex).filterNotNull().toSet().toList()
 
-            account?.sendPost(
+            account?.sendNIP24PrivateMessage(
                 message = tagger.message,
-                replyTo = tagger.replyTos,
+                toUsers = receivers,
+                subject = subject.text.ifBlank { null },
+                replyingTo = originalNote!!,
                 mentions = tagger.mentions,
-                tags = null,
-                zapReceiver = zapReceiver,
                 wantsToMarkAsSensitive = wantsToMarkAsSensitive,
+                zapReceiver = zapReceiver,
                 zapRaiserAmount = localZapRaiserAmount,
-                replyingTo = replyId,
-                root = rootId,
-                directMentions = tagger.directMentions,
-                relayList = relayList,
                 geohash = geoHash
             )
+        } else if (!dmUsers.isNullOrEmpty()) {
+            if (nip24 || dmUsers.size > 1) {
+                account?.sendNIP24PrivateMessage(
+                    message = tagger.message,
+                    toUsers = dmUsers.map { it.pubkeyHex },
+                    subject = subject.text.ifBlank { null },
+                    replyingTo = tagger.replyTos?.firstOrNull(),
+                    mentions = tagger.mentions,
+                    wantsToMarkAsSensitive = wantsToMarkAsSensitive,
+                    zapReceiver = zapReceiver,
+                    zapRaiserAmount = localZapRaiserAmount,
+                    geohash = geoHash
+                )
+            } else {
+                account?.sendPrivateMessage(
+                    message = tagger.message,
+                    toUser = dmUsers.first().pubkeyHex,
+                    replyingTo = originalNote,
+                    mentions = tagger.mentions,
+                    wantsToMarkAsSensitive = wantsToMarkAsSensitive,
+                    zapReceiver = zapReceiver,
+                    zapRaiserAmount = localZapRaiserAmount,
+                    geohash = geoHash
+                )
+            }
+        } else {
+            if (wantsPoll) {
+                account?.sendPoll(
+                    tagger.message,
+                    tagger.replyTos,
+                    tagger.mentions,
+                    pollOptions,
+                    valueMaximum,
+                    valueMinimum,
+                    consensusThreshold,
+                    closedAt,
+                    zapReceiver,
+                    wantsToMarkAsSensitive,
+                    localZapRaiserAmount,
+                    relayList,
+                    geoHash
+                )
+            } else {
+                // adds markers
+                val rootId =
+                    (originalNote?.event as? TextNoteEvent)?.root() // if it has a marker as root
+                        ?: originalNote?.replyTo?.firstOrNull { it.event != null && it.replyTo?.isEmpty() == true }?.idHex // if it has loaded events with zero replies in the reply list
+                        ?: originalNote?.replyTo?.firstOrNull()?.idHex // old rules, first item is root.
+                val replyId = originalNote?.idHex
+
+                account?.sendPost(
+                    message = tagger.message,
+                    replyTo = tagger.replyTos,
+                    mentions = tagger.mentions,
+                    tags = null,
+                    zapReceiver = zapReceiver,
+                    wantsToMarkAsSensitive = wantsToMarkAsSensitive,
+                    zapRaiserAmount = localZapRaiserAmount,
+                    replyingTo = replyId,
+                    root = rootId,
+                    directMentions = tagger.directMentions,
+                    relayList = relayList,
+                    geohash = geoHash
+                )
+            }
         }
 
         cancel()
@@ -267,11 +330,16 @@ open class NewPostViewModel() : ViewModel() {
 
     open fun cancel() {
         message = TextFieldValue("")
+        toUsers = TextFieldValue("")
+        subject = TextFieldValue("")
+
         contentToAddUrl = null
         urlPreview = null
         isUploadingImage = false
         mentions = null
 
+        wantsDirectMessage = false
+
         wantsPoll = false
         zapRecipients = mutableStateListOf<HexKey>()
         pollOptions = newStateMapPollOptions()
@@ -316,7 +384,7 @@ open class NewPostViewModel() : ViewModel() {
         if (it.selection.collapsed) {
             val lastWord = it.text.substring(0, it.selection.end).substringAfterLast("\n").substringAfterLast(" ")
             userSuggestionAnchor = it.selection
-            userSuggestionsMainMessage = true
+            userSuggestionsMainMessage = UserSuggestionAnchor.MAIN_MESSAGE
             if (lastWord.startsWith("@") && lastWord.length > 2) {
                 NostrSearchEventOrUserDataSource.search(lastWord.removePrefix("@"))
                 viewModelScope.launch(Dispatchers.IO) {
@@ -331,12 +399,37 @@ open class NewPostViewModel() : ViewModel() {
         }
     }
 
+    open fun updateToUsers(it: TextFieldValue) {
+        toUsers = it
+
+        if (it.selection.collapsed) {
+            val lastWord = it.text.substring(0, it.selection.end).substringAfterLast("\n").substringAfterLast(" ")
+            userSuggestionAnchor = it.selection
+            userSuggestionsMainMessage = UserSuggestionAnchor.TO_USERS
+            if (lastWord.startsWith("@") && lastWord.length > 2) {
+                NostrSearchEventOrUserDataSource.search(lastWord.removePrefix("@"))
+                viewModelScope.launch(Dispatchers.IO) {
+                    userSuggestions = LocalCache.findUsersStartingWith(lastWord.removePrefix("@"))
+                        .sortedWith(compareBy({ account?.isFollowing(it) }, { it.toBestDisplayName() }))
+                        .reversed()
+                }
+            } else {
+                NostrSearchEventOrUserDataSource.clear()
+                userSuggestions = emptyList()
+            }
+        }
+    }
+
+    open fun updateSubject(it: TextFieldValue) {
+        subject = it
+    }
+
     open fun updateZapForwardTo(it: TextFieldValue) {
         forwardZapToEditting = it
         if (it.selection.collapsed) {
             val lastWord = it.text.substring(0, it.selection.end).substringAfterLast("\n").substringAfterLast(" ")
             userSuggestionAnchor = it.selection
-            userSuggestionsMainMessage = false
+            userSuggestionsMainMessage = UserSuggestionAnchor.FORWARD_ZAPS
             if (lastWord.startsWith("@") && lastWord.length > 2) {
                 NostrSearchEventOrUserDataSource.search(lastWord.removePrefix("@"))
                 viewModelScope.launch(Dispatchers.IO) {
@@ -357,7 +450,7 @@ open class NewPostViewModel() : ViewModel() {
 
     open fun autocompleteWithUser(item: User) {
         userSuggestionAnchor?.let {
-            if (userSuggestionsMainMessage == true) {
+            if (userSuggestionsMainMessage == UserSuggestionAnchor.MAIN_MESSAGE) {
                 val lastWord = message.text.substring(0, it.end).substringAfterLast("\n").substringAfterLast(" ")
                 val lastWordStart = it.end - lastWord.length
                 val wordToInsert = "@${item.pubkeyNpub()}"
@@ -366,7 +459,7 @@ open class NewPostViewModel() : ViewModel() {
                     message.text.replaceRange(lastWordStart, it.end, wordToInsert),
                     TextRange(lastWordStart + wordToInsert.length, lastWordStart + wordToInsert.length)
                 )
-            } else {
+            } else if (userSuggestionsMainMessage == UserSuggestionAnchor.FORWARD_ZAPS) {
                 val lastWord = forwardZapToEditting.text.substring(0, it.end).substringAfterLast("\n").substringAfterLast(" ")
                 val lastWordStart = it.end - lastWord.length
                 val wordToInsert = "@${item.pubkeyNpub()}"
@@ -376,6 +469,15 @@ open class NewPostViewModel() : ViewModel() {
                     forwardZapToEditting.text.replaceRange(lastWordStart, it.end, wordToInsert),
                     TextRange(lastWordStart + wordToInsert.length, lastWordStart + wordToInsert.length)
                 )
+            } else if (userSuggestionsMainMessage == UserSuggestionAnchor.TO_USERS) {
+                val lastWord = toUsers.text.substring(0, it.end).substringAfterLast("\n").substringAfterLast(" ")
+                val lastWordStart = it.end - lastWord.length
+                val wordToInsert = "@${item.pubkeyNpub()}"
+
+                toUsers = TextFieldValue(
+                    toUsers.text.replaceRange(lastWordStart, it.end, wordToInsert),
+                    TextRange(lastWordStart + wordToInsert.length, lastWordStart + wordToInsert.length)
+                )
             }
 
             userSuggestionAnchor = null
@@ -389,7 +491,11 @@ open class NewPostViewModel() : ViewModel() {
     }
 
     fun canPost(): Boolean {
-        return message.text.isNotBlank() && !isUploadingImage && !wantsInvoice && (!wantsZapraiser || zapRaiserAmount != null) && (!wantsPoll || pollOptions.values.all { it.isNotEmpty() }) && contentToAddUrl == null
+        return message.text.isNotBlank() && !isUploadingImage && !wantsInvoice &&
+            (!wantsZapraiser || zapRaiserAmount != null) &&
+            (!wantsDirectMessage || !toUsers.text.isNullOrBlank()) &&
+            (!wantsPoll || pollOptions.values.all { it.isNotEmpty() }) &&
+            contentToAddUrl == null
     }
 
     fun includePollHashtagInMessage(include: Boolean, hashtag: String) {
@@ -498,6 +604,14 @@ open class NewPostViewModel() : ViewModel() {
         location = null
         locUtil = null
     }
+
+    fun toggleNIP04And24() {
+        if (requiresNIP24) {
+            nip24 = true
+        } else {
+            nip24 = !nip24
+        }
+    }
 }
 
 enum class GeohashPrecision(val digits: Int) {

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

@@ -7,12 +7,10 @@ import androidx.compose.foundation.clickable
 import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.ExperimentalLayoutApi
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.imePadding
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.LazyColumn
@@ -24,8 +22,9 @@ import androidx.compose.material.Icon
 import androidx.compose.material.IconButton
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.OutlinedTextField
-import androidx.compose.material.Surface
+import androidx.compose.material.Scaffold
 import androidx.compose.material.Text
+import androidx.compose.material.TopAppBar
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Cancel
 import androidx.compose.material.icons.filled.DeleteSweep
@@ -65,13 +64,13 @@ import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.theme.ButtonBorder
 import com.vitorpamplona.amethyst.ui.theme.Font14SP
 import com.vitorpamplona.amethyst.ui.theme.Size35dp
+import com.vitorpamplona.amethyst.ui.theme.StdHorzSpacer
 import com.vitorpamplona.amethyst.ui.theme.StdVertSpacer
 import com.vitorpamplona.amethyst.ui.theme.placeholderText
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
 import java.lang.Math.round
 
-@OptIn(ExperimentalLayoutApi::class)
 @Composable
 fun NewRelayListView(onClose: () -> Unit, accountViewModel: AccountViewModel, relayToAdd: String = "", nav: (String) -> Unit) {
     val postViewModel: NewRelayListViewModel = viewModel()
@@ -89,54 +88,68 @@ fun NewRelayListView(onClose: () -> Unit, accountViewModel: AccountViewModel, re
     }
 
     Dialog(
-        onDismissRequest = { onClose() },
-        properties = DialogProperties(
-            decorFitsSystemWindows = false,
-            usePlatformDefaultWidth = false,
-            dismissOnClickOutside = false
-        )
+        onDismissRequest = onClose,
+        properties = DialogProperties(usePlatformDefaultWidth = false)
     ) {
-        Surface(modifier = Modifier.imePadding()) {
-            Column(
-                modifier = Modifier.padding(10.dp)
-            ) {
-                Row(
-                    modifier = Modifier.fillMaxWidth(),
-                    horizontalArrangement = Arrangement.SpaceBetween,
-                    verticalAlignment = Alignment.CenterVertically
-                ) {
-                    CloseButton(onCancel = {
-                        postViewModel.clear()
-                        onClose()
-                    })
+        Scaffold(
+            topBar = {
+                TopAppBar(
+                    title = {
+                        Row(
+                            modifier = Modifier.fillMaxWidth().padding(end = 10.dp),
+                            horizontalArrangement = Arrangement.SpaceBetween,
+                            verticalAlignment = Alignment.CenterVertically
+                        ) {
+                            Spacer(modifier = StdHorzSpacer)
 
-                    Button(
-                        onClick = {
-                            postViewModel.deleteAll()
-                            defaultRelays.forEach {
-                                postViewModel.addRelay(it)
-                            }
-                            postViewModel.relays.value.forEach { item ->
-                                loadRelayInfo(item.url, context, scope) {
-                                    postViewModel.togglePaidRelay(item, it.limitation?.payment_required ?: false)
+                            Button(
+                                onClick = {
+                                    postViewModel.deleteAll()
+                                    defaultRelays.forEach {
+                                        postViewModel.addRelay(it)
+                                    }
+                                    postViewModel.relays.value.forEach { item ->
+                                        loadRelayInfo(item.url, context, scope) {
+                                            postViewModel.togglePaidRelay(item, it.limitation?.payment_required ?: false)
+                                        }
+                                    }
                                 }
+                            ) {
+                                Text(stringResource(R.string.default_relays))
                             }
+
+                            PostButton(
+                                onPost = {
+                                    postViewModel.create()
+                                    onClose()
+                                },
+                                true
+                            )
                         }
-                    ) {
-                        Text(stringResource(R.string.default_relays))
-                    }
-
-                    PostButton(
-                        onPost = {
-                            postViewModel.create()
+                    },
+                    navigationIcon = {
+                        Spacer(modifier = StdHorzSpacer)
+                        CloseButton(onCancel = {
+                            postViewModel.clear()
                             onClose()
-                        },
-                        true
-                    )
-                }
-
-                Spacer(modifier = StdVertSpacer)
+                        })
+                    },
+                    backgroundColor = MaterialTheme.colors.surface,
+                    elevation = 0.dp
+                )
+            }
+        ) { pad ->
+            val scope = rememberCoroutineScope()
 
+            Column(
+                modifier = Modifier.padding(
+                    16.dp,
+                    pad.calculateTopPadding(),
+                    16.dp,
+                    pad.calculateBottomPadding()
+                ),
+                verticalArrangement = Arrangement.SpaceAround
+            ) {
                 Row(modifier = Modifier.weight(1f), verticalAlignment = Alignment.CenterVertically) {
                     LazyColumn(
                         contentPadding = PaddingValues(

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

@@ -4,10 +4,10 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.RelaySetupInfo
-import com.vitorpamplona.amethyst.service.model.ContactListEvent
 import com.vitorpamplona.amethyst.service.relays.Constants
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.RelayPool
+import com.vitorpamplona.quartz.events.ContactListEvent
 import kotlinx.collections.immutable.toImmutableSet
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow

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

@@ -10,11 +10,10 @@ 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 com.vitorpamplona.amethyst.ui.components.MediaCompressor
-import id.zelory.compressor.Compressor.compress
+import com.vitorpamplona.quartz.events.GitHubIdentity
+import com.vitorpamplona.quartz.events.MastodonIdentity
+import com.vitorpamplona.quartz.events.TwitterIdentity
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.launch

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

@@ -343,7 +343,7 @@ fun loadRelayInfo(
                     }
 
                     override fun onFailure(call: Call, e: IOException) {
-                        Log.e("RelayInfoFail", "Resulting Message from Relay in not parseable $dirtyUrl", e)
+                        Log.e("RelayInfoFail", "$dirtyUrl unavailable", e)
                         scope.launch {
                             Toast
                                 .makeText(

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

@@ -11,8 +11,8 @@ import androidx.compose.ui.text.input.TransformedText
 import androidx.compose.ui.text.input.VisualTransformation
 import androidx.compose.ui.text.style.TextDecoration
 import com.vitorpamplona.amethyst.model.LocalCache
-import com.vitorpamplona.amethyst.model.decodePublicKey
-import com.vitorpamplona.amethyst.model.toHexKey
+import com.vitorpamplona.quartz.encoders.decodePublicKey
+import com.vitorpamplona.quartz.encoders.toHexKey
 import kotlin.math.roundToInt
 
 data class RangesChanges(val original: TextRange, val modified: TextRange)
@@ -43,7 +43,8 @@ fun buildAnnotatedStringWithUrlHighlighting(text: AnnotatedString, color: Color)
 
                             val endIndex = startIndex + keyB32.length
 
-                            val key = decodePublicKey(keyB32.removePrefix("@"))
+                            val key =
+                                decodePublicKey(keyB32.removePrefix("@"))
                             val user = LocalCache.getOrCreateUser(key.toHexKey())
 
                             val newWord = "@${user.toBestDisplayName()}"

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

@@ -16,9 +16,10 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.ui.actions.JoinUserOrChannelView
 import com.vitorpamplona.amethyst.ui.actions.NewChannelView
+import com.vitorpamplona.amethyst.ui.actions.NewPostView
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import com.vitorpamplona.amethyst.ui.theme.Font12SP
 
 @Composable
 fun ChannelFabColumn(accountViewModel: AccountViewModel, nav: (String) -> Unit) {
@@ -26,7 +27,7 @@ fun ChannelFabColumn(accountViewModel: AccountViewModel, nav: (String) -> Unit)
         mutableStateOf(false)
     }
 
-    var wantsToJoinChannelOrUser by remember {
+    var wantsToSendNewMessage by remember {
         mutableStateOf(false)
     }
 
@@ -38,23 +39,25 @@ fun ChannelFabColumn(accountViewModel: AccountViewModel, nav: (String) -> Unit)
         NewChannelView({ wantsToCreateChannel = false }, accountViewModel = accountViewModel)
     }
 
-    if (wantsToJoinChannelOrUser) {
-        JoinUserOrChannelView({ wantsToJoinChannelOrUser = false }, accountViewModel = accountViewModel, nav = nav)
+    if (wantsToSendNewMessage) {
+        NewPostView({ wantsToSendNewMessage = false }, enableMessageInterface = true, accountViewModel = accountViewModel, nav = nav)
+        // JoinUserOrChannelView({ wantsToJoinChannelOrUser = false }, accountViewModel = accountViewModel, nav = nav)
     }
 
     Column() {
         if (isOpen) {
             OutlinedButton(
-                onClick = { wantsToJoinChannelOrUser = true; isOpen = false },
+                onClick = { wantsToSendNewMessage = true; isOpen = false },
                 modifier = Modifier.size(55.dp),
                 shape = CircleShape,
                 colors = ButtonDefaults.outlinedButtonColors(backgroundColor = MaterialTheme.colors.primary),
                 contentPadding = PaddingValues(bottom = 3.dp)
             ) {
                 Text(
-                    text = stringResource(R.string.channel_list_join_channel),
+                    text = stringResource(R.string.messages_new_message),
                     color = Color.White,
-                    textAlign = TextAlign.Center
+                    textAlign = TextAlign.Center,
+                    fontSize = Font12SP
                 )
             }
 
@@ -68,9 +71,10 @@ fun ChannelFabColumn(accountViewModel: AccountViewModel, nav: (String) -> Unit)
                 contentPadding = PaddingValues(bottom = 3.dp)
             ) {
                 Text(
-                    text = stringResource(R.string.channel_list_create_channel),
+                    text = stringResource(R.string.messages_create_public_chat),
                     color = Color.White,
-                    textAlign = TextAlign.Center
+                    textAlign = TextAlign.Center,
+                    fontSize = Font12SP
                 )
             }
 
@@ -86,7 +90,7 @@ fun ChannelFabColumn(accountViewModel: AccountViewModel, nav: (String) -> Unit)
         ) {
             Icon(
                 imageVector = Icons.Outlined.Add,
-                contentDescription = stringResource(R.string.new_channel),
+                contentDescription = stringResource(R.string.messages_create_public_chat),
                 modifier = Modifier.size(26.dp),
                 tint = Color.White
             )

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

@@ -0,0 +1,160 @@
+package com.vitorpamplona.amethyst.ui.components
+
+import androidx.compose.animation.core.AnimationSpec
+import androidx.compose.animation.core.animateFloatAsState
+import androidx.compose.animation.core.tween
+import androidx.compose.foundation.Canvas
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.requiredHeight
+import androidx.compose.material.MaterialTheme
+import androidx.compose.runtime.*
+import androidx.compose.ui.ExperimentalComposeUiApi
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.geometry.CornerRadius
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.geometry.Size
+import androidx.compose.ui.graphics.*
+import androidx.compose.ui.graphics.drawscope.DrawStyle
+import androidx.compose.ui.graphics.drawscope.Fill
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.coerceIn
+import androidx.compose.ui.unit.dp
+import com.linc.audiowaveform.model.AmplitudeType
+import com.linc.audiowaveform.model.WaveformAlignment
+import kotlin.math.ceil
+import kotlin.math.roundToInt
+
+private val MinSpikeWidthDp: Dp = 1.dp
+private val MaxSpikeWidthDp: Dp = 24.dp
+private val MinSpikePaddingDp: Dp = 0.dp
+private val MaxSpikePaddingDp: Dp = 12.dp
+private val MinSpikeRadiusDp: Dp = 0.dp
+private val MaxSpikeRadiusDp: Dp = 12.dp
+
+private const val MinProgress: Float = 0F
+private const val MaxProgress: Float = 1F
+
+private const val MinSpikeHeight: Float = 1F
+private const val DefaultGraphicsLayerAlpha: Float = 0.99F
+
+@OptIn(ExperimentalComposeUiApi::class)
+@Composable
+fun AudioWaveformReadOnly(
+    modifier: Modifier = Modifier,
+    style: DrawStyle = Fill,
+    waveformBrush: Brush = SolidColor(Color.White),
+    progressBrush: Brush = SolidColor(Color.Blue),
+    waveformAlignment: WaveformAlignment = WaveformAlignment.Center,
+    amplitudeType: AmplitudeType = AmplitudeType.Avg,
+    onProgressChangeFinished: (() -> Unit)? = null,
+    spikeAnimationSpec: AnimationSpec<Float> = tween(500),
+    spikeWidth: Dp = 3.dp,
+    spikeRadius: Dp = 2.dp,
+    spikePadding: Dp = 2.dp,
+    progress: Float = 0F,
+    amplitudes: List<Int>,
+    onProgressChange: (Float) -> Unit
+) {
+    val backgroundColor = MaterialTheme.colors.background
+    val _progress = remember(progress) { progress.coerceIn(MinProgress, MaxProgress) }
+    val _spikeWidth = remember(spikeWidth) { spikeWidth.coerceIn(MinSpikeWidthDp, MaxSpikeWidthDp) }
+    val _spikePadding = remember(spikePadding) { spikePadding.coerceIn(MinSpikePaddingDp, MaxSpikePaddingDp) }
+    val _spikeRadius = remember(spikeRadius) { spikeRadius.coerceIn(MinSpikeRadiusDp, MaxSpikeRadiusDp) }
+    val _spikeTotalWidth = remember(spikeWidth, spikePadding) { _spikeWidth + _spikePadding }
+    var canvasSize by remember { mutableStateOf(Size(0f, 0f)) }
+    var spikes by remember { mutableStateOf(0F) }
+    val spikesAmplitudes = remember(amplitudes, spikes, amplitudeType) {
+        amplitudes.toDrawableAmplitudes(
+            amplitudeType = amplitudeType,
+            spikes = spikes.toInt(),
+            minHeight = MinSpikeHeight,
+            maxHeight = canvasSize.height.coerceAtLeast(MinSpikeHeight)
+        )
+    }.map { animateFloatAsState(it, spikeAnimationSpec).value }
+    Canvas(
+        modifier = Modifier
+            .fillMaxWidth()
+            .requiredHeight(48.dp)
+            .graphicsLayer(alpha = DefaultGraphicsLayerAlpha)
+            .then(modifier)
+    ) {
+        canvasSize = size
+        spikes = size.width / _spikeTotalWidth.toPx()
+        spikesAmplitudes.forEachIndexed { index, amplitude ->
+            drawRoundRect(
+                brush = waveformBrush,
+                topLeft = Offset(
+                    x = index * _spikeTotalWidth.toPx(),
+                    y = when (waveformAlignment) {
+                        WaveformAlignment.Top -> 0F
+                        WaveformAlignment.Bottom -> size.height - amplitude
+                        WaveformAlignment.Center -> size.height / 2F - amplitude / 2F
+                    }
+                ),
+                size = Size(
+                    width = _spikeWidth.toPx(),
+                    height = amplitude
+                ),
+                cornerRadius = CornerRadius(_spikeRadius.toPx(), _spikeRadius.toPx()),
+                style = style
+            )
+            drawRect(
+                brush = progressBrush,
+                size = Size(
+                    width = _progress * size.width,
+                    height = size.height
+                ),
+                blendMode = BlendMode.SrcAtop
+            )
+        }
+    }
+}
+
+private fun List<Int>.toDrawableAmplitudes(
+    amplitudeType: AmplitudeType,
+    spikes: Int,
+    minHeight: Float,
+    maxHeight: Float
+): List<Float> {
+    val amplitudes = map(Int::toFloat)
+    if (amplitudes.isEmpty() || spikes == 0) {
+        return List(spikes) { minHeight }
+    }
+    val transform = { data: List<Float> ->
+        when (amplitudeType) {
+            AmplitudeType.Avg -> data.average()
+            AmplitudeType.Max -> data.max()
+            AmplitudeType.Min -> data.min()
+        }.toFloat().coerceIn(minHeight, maxHeight)
+    }
+    return when {
+        spikes > amplitudes.count() -> amplitudes.fillToSize(spikes, transform)
+        else -> amplitudes.chunkToSize(spikes, transform)
+    }.normalize(minHeight, maxHeight)
+}
+
+internal fun <T> Iterable<T>.fillToSize(size: Int, transform: (List<T>) -> T): List<T> {
+    val capacity = ceil(size.safeDiv(count())).roundToInt()
+    return map { data -> List(capacity) { data } }.flatten().chunkToSize(size, transform)
+}
+
+internal fun <T> Iterable<T>.chunkToSize(size: Int, transform: (List<T>) -> T): List<T> {
+    val chunkSize = count() / size
+    val remainder = count() % size
+    val remainderIndex = ceil(count().safeDiv(remainder)).roundToInt()
+    val chunkIteration = filterIndexed { index, _ ->
+        remainderIndex == 0 || index % remainderIndex != 0
+    }.chunked(chunkSize, transform)
+    return when (size) {
+        chunkIteration.count() -> chunkIteration
+        else -> chunkIteration.chunkToSize(size, transform)
+    }
+}
+
+internal fun Iterable<Float>.normalize(min: Float, max: Float): List<Float> {
+    return map { (max - min) * ((it - min()) / (max() - min())) + min }
+}
+
+private fun Int.safeDiv(value: Int): Float {
+    return if (value == 0) return 0F else this / value.toFloat()
+}

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

@@ -44,13 +44,13 @@ import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.NIP30Parser
-import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
-import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
-import com.vitorpamplona.amethyst.service.nip19.Nip19
-import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
-import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.note.LoadChannel
 import com.vitorpamplona.amethyst.ui.note.toShortenHex
+import com.vitorpamplona.quartz.encoders.Nip19
+import com.vitorpamplona.quartz.events.ChannelCreateEvent
+import com.vitorpamplona.quartz.events.ImmutableListOfLists
+import com.vitorpamplona.quartz.events.PrivateDmEvent
+import com.vitorpamplona.quartz.events.toImmutableListOfLists
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.ImmutableMap
 import kotlinx.collections.immutable.persistentListOf
@@ -169,7 +169,11 @@ private fun DisplayNoteLink(
         CreateClickableText(
             clickablePart = noteIdDisplayNote,
             suffix = addedCharts,
-            route = remember(noteState) { "Room/${note.author?.pubkeyHex}" },
+            route = remember(noteState) {
+                (note.author?.pubkeyHex ?: nip19.hex).let {
+                    "RoomByAuthor/$it"
+                }
+            },
             nav = nav
         )
     } else if (channelHex != null) {

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

@@ -12,7 +12,7 @@ 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 com.vitorpamplona.quartz.encoders.LnWithdrawalUtil
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 

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

@@ -24,11 +24,11 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.note.getGradient
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.theme.ButtonBorder
 import com.vitorpamplona.amethyst.ui.theme.secondaryButtonBackground
+import com.vitorpamplona.quartz.events.ImmutableListOfLists
 
 const val SHORT_TEXT_LENGTH = 350
 

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

@@ -24,9 +24,9 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.core.content.ContextCompat.startActivity
 import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.service.lnurl.LnInvoiceUtil
 import com.vitorpamplona.amethyst.ui.theme.QuoteBorder
 import com.vitorpamplona.amethyst.ui.theme.subtleBorder
+import com.vitorpamplona.quartz.encoders.LnInvoiceUtil
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.text.NumberFormat

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

@@ -57,8 +57,6 @@ import com.vitorpamplona.amethyst.service.RichTextViewerState
 import com.vitorpamplona.amethyst.service.SchemelessUrlSegment
 import com.vitorpamplona.amethyst.service.Segment
 import com.vitorpamplona.amethyst.service.WithdrawSegment
-import com.vitorpamplona.amethyst.service.nip19.Nip19
-import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.note.LoadUser
 import com.vitorpamplona.amethyst.ui.note.NoteCompose
 import com.vitorpamplona.amethyst.ui.note.toShortenHex
@@ -70,6 +68,8 @@ import com.vitorpamplona.amethyst.ui.theme.innerPostModifier
 import com.vitorpamplona.amethyst.ui.theme.markdownStyle
 import com.vitorpamplona.amethyst.ui.theme.replyModifier
 import com.vitorpamplona.amethyst.ui.uriToRoute
+import com.vitorpamplona.quartz.encoders.Nip19
+import com.vitorpamplona.quartz.events.ImmutableListOfLists
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.net.MalformedURLException
@@ -287,7 +287,7 @@ private fun ZoomableContentView(
 ) {
     state.imagesForPager[word]?.let {
         Box(modifier = HalfVertPadding) {
-            ZoomableContentView(it, state.imageList, accountViewModel)
+            ZoomableContentView(it, state.imageList, roundedCorner = true, accountViewModel)
         }
     }
 }

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

@@ -13,9 +13,9 @@ import coil.fetch.Fetcher
 import coil.fetch.SourceResult
 import coil.request.ImageRequest
 import coil.request.Options
-import com.vitorpamplona.amethyst.model.toHexKey
-import com.vitorpamplona.amethyst.service.CryptoUtils
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
+import com.vitorpamplona.quartz.crypto.CryptoUtils
+import com.vitorpamplona.quartz.encoders.toHexKey
 import okio.Buffer
 
 private fun toHex(color: Color): String {

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

@@ -48,7 +48,7 @@ fun SelectTextDialog(text: String, onDismiss: () -> Unit) {
                     IconButton(
                         onClick = onDismiss
                     ) {
-                        ArrowBackIcon(Size24dp)
+                        ArrowBackIcon()
                     }
                     Text(text = stringResource(R.string.select_text_dialog_top))
                 }

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

@@ -35,9 +35,9 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.service.model.EventInterface
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.theme.ButtonBorder
+import com.vitorpamplona.quartz.events.EventInterface
 
 @Composable
 fun SensitivityWarning(

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

@@ -35,7 +35,7 @@ import kotlinx.collections.immutable.ImmutableList
 
 @Composable
 fun TextSpinner(
-    label: String,
+    label: String?,
     placeholder: String,
     options: ImmutableList<String>,
     explainers: ImmutableList<String>? = null,
@@ -54,7 +54,7 @@ fun TextSpinner(
             value = currentText,
             onValueChange = {},
             readOnly = true,
-            label = { Text(label) },
+            label = { label?.let { Text(it) } },
             modifier = Modifier
                 .fillMaxWidth()
                 .focusRequester(focusRequester)

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

@@ -9,6 +9,8 @@ import android.view.ViewGroup
 import android.widget.FrameLayout
 import androidx.annotation.OptIn
 import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.core.LinearEasing
+import androidx.compose.animation.core.tween
 import androidx.compose.animation.fadeIn
 import androidx.compose.animation.fadeOut
 import androidx.compose.foundation.background
@@ -17,6 +19,7 @@ import androidx.compose.foundation.layout.BoxWithConstraints
 import androidx.compose.foundation.layout.defaultMinSize
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material.IconButton
 import androidx.compose.material.MaterialTheme
@@ -34,6 +37,8 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.composed
 import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.layout.LayoutCoordinates
 import androidx.compose.ui.layout.boundsInWindow
 import androidx.compose.ui.layout.onGloballyPositioned
@@ -54,6 +59,7 @@ import androidx.media3.ui.AspectRatioFrameLayout
 import androidx.media3.ui.PlayerView
 import coil.imageLoader
 import coil.request.ImageRequest
+import com.linc.audiowaveform.infiniteLinearGradient
 import com.vitorpamplona.amethyst.PlaybackClientController
 import com.vitorpamplona.amethyst.model.ConnectivityType
 import com.vitorpamplona.amethyst.service.connectivitystatus.ConnectivityStatus
@@ -66,8 +72,12 @@ import com.vitorpamplona.amethyst.ui.theme.PinBottomIconSize
 import com.vitorpamplona.amethyst.ui.theme.Size22Modifier
 import com.vitorpamplona.amethyst.ui.theme.Size50Modifier
 import com.vitorpamplona.amethyst.ui.theme.VolumeBottomIconSize
+import com.vitorpamplona.amethyst.ui.theme.imageModifier
+import kotlinx.collections.immutable.ImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.conflate
+import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.launch
 import java.util.UUID
 import kotlin.math.abs
@@ -80,6 +90,7 @@ fun LoadThumbAndThenVideoView(
     title: String? = null,
     thumbUri: String,
     authorName: String? = null,
+    roundedCorner: Boolean,
     nostrUriCallback: String? = null,
     accountViewModel: AccountViewModel,
     onDialog: ((Boolean) -> Unit)? = null
@@ -111,6 +122,7 @@ fun LoadThumbAndThenVideoView(
                 videoUri = videoUri,
                 title = title,
                 thumb = VideoThumb(loadingFinished.second),
+                roundedCorner = roundedCorner,
                 artworkUri = thumbUri,
                 authorName = authorName,
                 nostrUriCallback = nostrUriCallback,
@@ -122,6 +134,7 @@ fun LoadThumbAndThenVideoView(
                 videoUri = videoUri,
                 title = title,
                 thumb = null,
+                roundedCorner = roundedCorner,
                 artworkUri = thumbUri,
                 authorName = authorName,
                 nostrUriCallback = nostrUriCallback,
@@ -137,6 +150,8 @@ fun VideoView(
     videoUri: String,
     title: String? = null,
     thumb: VideoThumb? = null,
+    roundedCorner: Boolean,
+    waveform: ImmutableList<Int>? = null,
     artworkUri: String? = null,
     authorName: String? = null,
     nostrUriCallback: String? = null,
@@ -151,6 +166,8 @@ fun VideoView(
         defaultToStart,
         title,
         thumb,
+        roundedCorner,
+        waveform,
         artworkUri,
         authorName,
         nostrUriCallback,
@@ -167,6 +184,8 @@ fun VideoViewInner(
     defaultToStart: Boolean = false,
     title: String? = null,
     thumb: VideoThumb? = null,
+    roundedCorner: Boolean,
+    waveform: ImmutableList<Int>? = null,
     artworkUri: String? = null,
     authorName: String? = null,
     nostrUriCallback: String? = null,
@@ -220,7 +239,16 @@ fun VideoViewInner(
                 defaultToStart = defaultToStart,
                 nostrUriCallback = nostrUriCallback
             ) { controller, keepPlaying ->
-                RenderVideoPlayer(controller, thumb, keepPlaying, automaticallyStartPlayback, activeOnScreen, onDialog)
+                RenderVideoPlayer(
+                    controller = controller,
+                    thumbData = thumb,
+                    roundedCorner = roundedCorner,
+                    waveform = waveform,
+                    keepPlaying = keepPlaying,
+                    automaticallyStartPlayback = automaticallyStartPlayback,
+                    activeOnScreen = activeOnScreen,
+                    onDialog = onDialog
+                )
             }
         }
     }
@@ -472,6 +500,8 @@ data class VideoThumb(
 private fun RenderVideoPlayer(
     controller: MediaController,
     thumbData: VideoThumb?,
+    roundedCorner: Boolean,
+    waveform: ImmutableList<Int>? = null,
     keepPlaying: MutableState<Boolean>,
     automaticallyStartPlayback: MutableState<Boolean>,
     activeOnScreen: MutableState<Boolean>,
@@ -487,10 +517,15 @@ private fun RenderVideoPlayer(
 
     BoxWithConstraints() {
         AndroidView(
-            modifier = Modifier
-                .fillMaxWidth()
-                .defaultMinSize(minHeight = 70.dp)
-                .align(Alignment.Center),
+            modifier = if (roundedCorner) {
+                MaterialTheme.colors.imageModifier
+                    .defaultMinSize(minHeight = 100.dp)
+                    .align(Alignment.Center)
+            } else {
+                Modifier.fillMaxWidth()
+                    .defaultMinSize(minHeight = 100.dp)
+                    .align(Alignment.Center)
+            },
             factory = {
                 PlayerView(context).apply {
                     player = controller
@@ -518,6 +553,10 @@ private fun RenderVideoPlayer(
             }
         )
 
+        waveform?.let {
+            Waveform(it, controller, Modifier.align(Alignment.Center))
+        }
+
         val startingMuteState = remember(controller) {
             controller.volume < 0.001
         }
@@ -555,6 +594,69 @@ private fun RenderVideoPlayer(
     }
 }
 
+private fun pollCurrentDuration(controller: MediaController) = flow {
+    while (controller.currentPosition <= controller.duration) {
+        emit(controller.currentPosition / controller.duration.toFloat())
+        delay(100)
+    }
+}.conflate()
+
+@Composable
+fun Waveform(
+    waveform: ImmutableList<Int>,
+    controller: MediaController,
+    modifier: Modifier
+) {
+    val waveformProgress = remember { mutableStateOf(0F) }
+
+    DrawWaveform(waveform, waveformProgress, modifier)
+
+    val restartFlow = remember {
+        mutableStateOf(0)
+    }
+
+    // Keeps the screen on while playing and viewing videos.
+    DisposableEffect(key1 = controller) {
+        val listener = object : Player.Listener {
+            override fun onIsPlayingChanged(isPlaying: Boolean) {
+                // doesn't consider the mutex because the screen can turn off if the video
+                // being played in the mutex is not visible.
+                if (isPlaying) {
+                    restartFlow.value += 1
+                }
+            }
+        }
+
+        controller.addListener(listener)
+        onDispose {
+            controller.removeListener(listener)
+        }
+    }
+
+    LaunchedEffect(key1 = restartFlow.value) {
+        pollCurrentDuration(controller).collect() { value ->
+            waveformProgress.value = value
+        }
+    }
+}
+
+@Composable
+fun DrawWaveform(waveform: ImmutableList<Int>, waveformProgress: MutableState<Float>, modifier: Modifier) {
+    AudioWaveformReadOnly(
+        modifier = modifier.padding(start = 10.dp, end = 10.dp),
+        amplitudes = waveform,
+        progress = waveformProgress.value,
+        progressBrush = Brush.infiniteLinearGradient(
+            colors = listOf(Color(0xff2598cf), Color(0xff652d80)),
+            animation = tween(durationMillis = 6000, easing = LinearEasing),
+            width = 128F
+        ),
+        onProgressChange = {
+            waveformProgress.value = it
+        }
+    )
+}
+
 @Composable
 fun ControlWhenPlayerIsActive(
     controller: Player,

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

@@ -67,9 +67,7 @@ import coil.compose.AsyncImagePainter
 import coil.imageLoader
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.ConnectivityType
-import com.vitorpamplona.amethyst.model.toHexKey
 import com.vitorpamplona.amethyst.service.BlurHashRequester
-import com.vitorpamplona.amethyst.service.CryptoUtils
 import com.vitorpamplona.amethyst.service.connectivitystatus.ConnectivityStatus
 import com.vitorpamplona.amethyst.ui.actions.CloseButton
 import com.vitorpamplona.amethyst.ui.actions.LoadingAnimation
@@ -84,6 +82,8 @@ import com.vitorpamplona.amethyst.ui.theme.Size20dp
 import com.vitorpamplona.amethyst.ui.theme.Size24dp
 import com.vitorpamplona.amethyst.ui.theme.Size30dp
 import com.vitorpamplona.amethyst.ui.theme.imageModifier
+import com.vitorpamplona.quartz.crypto.CryptoUtils
+import com.vitorpamplona.quartz.encoders.toHexKey
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
@@ -181,6 +181,7 @@ fun figureOutMimeType(fullUrl: String): ZoomableContent {
 fun ZoomableContentView(
     content: ZoomableContent,
     images: ImmutableList<ZoomableContent> = listOf(content).toImmutableList(),
+    roundedCorner: Boolean,
     accountViewModel: AccountViewModel
 ) {
     val clipboardManager = LocalClipboardManager.current
@@ -190,7 +191,11 @@ fun ZoomableContentView(
         mutableStateOf(false)
     }
 
-    var mainImageModifier = MaterialTheme.colors.imageModifier
+    var mainImageModifier = if (roundedCorner) {
+        MaterialTheme.colors.imageModifier
+    } else {
+        Modifier.fillMaxWidth()
+    }
 
     if (content is ZoomableUrlContent) {
         mainImageModifier = mainImageModifier.combinedClickable(
@@ -215,6 +220,7 @@ fun ZoomableContentView(
             title = content.description,
             artworkUri = content.artworkUri,
             authorName = content.authorName,
+            roundedCorner = roundedCorner,
             nostrUriCallback = content.uri,
             onDialog = { dialogOpen = true },
             accountViewModel = accountViewModel
@@ -228,6 +234,7 @@ fun ZoomableContentView(
                     title = content.description,
                     artworkUri = content.artworkUri,
                     authorName = content.authorName,
+                    roundedCorner = roundedCorner,
                     nostrUriCallback = content.uri,
                     onDialog = { dialogOpen = true },
                     accountViewModel = accountViewModel
@@ -624,11 +631,11 @@ fun ZoomableImageDialog(
                         pagerState = pagerState,
                         itemsCount = allImages.size,
                         itemContent = { index ->
-                            RenderImageOrVideo(allImages[index], accountViewModel)
+                            RenderImageOrVideo(allImages[index], false, accountViewModel)
                         }
                     )
                 } else {
-                    RenderImageOrVideo(imageUrl, accountViewModel)
+                    RenderImageOrVideo(imageUrl, false, accountViewModel)
                 }
 
                 Row(
@@ -656,7 +663,7 @@ fun ZoomableImageDialog(
 }
 
 @Composable
-private fun RenderImageOrVideo(content: ZoomableContent, accountViewModel: AccountViewModel) {
+private fun RenderImageOrVideo(content: ZoomableContent, roundedCorner: Boolean, accountViewModel: AccountViewModel) {
     val mainModifier = Modifier
         .fillMaxSize()
         .zoomable(rememberZoomState())
@@ -670,6 +677,7 @@ private fun RenderImageOrVideo(content: ZoomableContent, accountViewModel: Accou
                 title = content.description,
                 artworkUri = content.artworkUri,
                 authorName = content.authorName,
+                roundedCorner = roundedCorner,
                 accountViewModel = accountViewModel,
                 alwaysShowVideo = true
             )
@@ -684,6 +692,7 @@ private fun RenderImageOrVideo(content: ZoomableContent, accountViewModel: Accou
                     title = content.description,
                     artworkUri = content.artworkUri,
                     authorName = content.authorName,
+                    roundedCorner = roundedCorner,
                     accountViewModel = accountViewModel,
                     alwaysShowVideo = true
                 )

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ChatroomFeedFilter.kt

@@ -2,12 +2,12 @@ package com.vitorpamplona.amethyst.ui.dal
 
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.quartz.events.ChatroomKey
 
-class ChatroomFeedFilter(val withUser: User, val account: Account) : AdditiveFeedFilter<Note>() {
+class ChatroomFeedFilter(val withUser: ChatroomKey, val account: Account) : AdditiveFeedFilter<Note>() {
     // returns the last Note of each user.
     override fun feedKey(): String {
-        return withUser.pubkeyHex
+        return withUser.hashCode().toString()
     }
 
     override fun feed(): List<Note> {

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ChatroomListKnownFeedFilter.kt

@@ -3,9 +3,10 @@ package com.vitorpamplona.amethyst.ui.dal
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
-import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.ui.actions.updated
+import com.vitorpamplona.quartz.events.ChannelMessageEvent
+import com.vitorpamplona.quartz.events.ChatroomKey
+import com.vitorpamplona.quartz.events.ChatroomKeyable
 import kotlin.time.ExperimentalTime
 import kotlin.time.measureTimedValue
 
@@ -22,7 +23,10 @@ class ChatroomListKnownFeedFilter(val account: Account) : AdditiveFeedFilter<Not
 
         val privateChatrooms = me.privateChatrooms
         val messagingWith = privateChatrooms.keys.filter {
-            (it.pubkeyHex in followingKeySet || me.hasSentMessagesTo(it)) && !account.isHidden(it)
+            (
+                privateChatrooms[it]?.senderIntersects(followingKeySet) == true ||
+                    me.hasSentMessagesTo(it)
+                ) && !account.isAllHidden(it.users)
         }
 
         val privateMessages = messagingWith.mapNotNull { it ->
@@ -64,25 +68,35 @@ class ChatroomListKnownFeedFilter(val account: Account) : AdditiveFeedFilter<Not
             var myNewList = oldList
 
             newRelevantPublicMessages.forEach { newNotePair ->
+                var hasUpdated = false
                 oldList.forEach { oldNote ->
-                    if (
-                        (newNotePair.key == oldNote.channelHex()) && (newNotePair.value.createdAt() ?: 0) > (oldNote.createdAt() ?: 0)
-                    ) {
-                        myNewList = myNewList.updated(oldNote, newNotePair.value)
+                    if (newNotePair.key == oldNote.channelHex()) {
+                        hasUpdated = true
+                        if ((newNotePair.value.createdAt() ?: 0) > (oldNote.createdAt() ?: 0)) {
+                            myNewList = myNewList.updated(oldNote, newNotePair.value)
+                        }
                     }
                 }
+                if (!hasUpdated) {
+                    myNewList = myNewList.plus(newNotePair.value)
+                }
             }
 
             newRelevantPrivateMessages.forEach { newNotePair ->
+                var hasUpdated = false
                 oldList.forEach { oldNote ->
-                    val oldRoom = (oldNote.event as? PrivateDmEvent)?.talkingWith(me.pubkeyHex)
+                    val oldRoom = (oldNote.event as? ChatroomKeyable)?.chatroomKey(me.pubkeyHex)
 
-                    if (
-                        (newNotePair.key == oldRoom) && (newNotePair.value.createdAt() ?: 0) > (oldNote.createdAt() ?: 0)
-                    ) {
-                        myNewList = myNewList.updated(oldNote, newNotePair.value)
+                    if (newNotePair.key == oldRoom) {
+                        hasUpdated = true
+                        if ((newNotePair.value.createdAt() ?: 0) > (oldNote.createdAt() ?: 0)) {
+                            myNewList = myNewList.updated(oldNote, newNotePair.value)
+                        }
                     }
                 }
+                if (!hasUpdated) {
+                    myNewList = myNewList.plus(newNotePair.value)
+                }
             }
 
             sort(myNewList.toSet()).take(1000)
@@ -126,23 +140,25 @@ class ChatroomListKnownFeedFilter(val account: Account) : AdditiveFeedFilter<Not
         return newRelevantPublicMessages
     }
 
-    private fun filterRelevantPrivateMessages(newItems: Set<Note>, account: Account): MutableMap<String, Note> {
+    private fun filterRelevantPrivateMessages(newItems: Set<Note>, account: Account): MutableMap<ChatroomKey, Note> {
         val me = account.userProfile()
         val followingKeySet = account.followingKeySet()
 
-        val newRelevantPrivateMessages = mutableMapOf<String, Note>()
-        newItems.filter { it.event is PrivateDmEvent }.forEach { newNote ->
-            val roomUserHex = (newNote.event as? PrivateDmEvent)?.talkingWith(me.pubkeyHex)
-            val roomUser = roomUserHex?.let { LocalCache.users[it] }
+        val newRelevantPrivateMessages = mutableMapOf<ChatroomKey, Note>()
+        newItems.filter { it.event is ChatroomKeyable }.forEach { newNote ->
+            val roomKey = (newNote.event as? ChatroomKeyable)?.chatroomKey(me.pubkeyHex)
+            val room = account.userProfile().privateChatrooms[roomKey]
 
-            if (roomUserHex != null && (newNote.author?.pubkeyHex == me.pubkeyHex || roomUserHex in followingKeySet || me.hasSentMessagesTo(roomUser)) && !account.isHidden(roomUserHex)) {
-                val lastNote = newRelevantPrivateMessages.get(roomUserHex)
-                if (lastNote != null) {
-                    if ((newNote.createdAt() ?: 0) > (lastNote.createdAt() ?: 0)) {
-                        newRelevantPrivateMessages.put(roomUserHex, newNote)
+            if (roomKey != null && room != null) {
+                if ((newNote.author?.pubkeyHex == me.pubkeyHex || room.senderIntersects(followingKeySet) || me.hasSentMessagesTo(roomKey)) && !account.isAllHidden(roomKey.users)) {
+                    val lastNote = newRelevantPrivateMessages.get(roomKey)
+                    if (lastNote != null) {
+                        if ((newNote.createdAt() ?: 0) > (lastNote.createdAt() ?: 0)) {
+                            newRelevantPrivateMessages.put(roomKey, newNote)
+                        }
+                    } else {
+                        newRelevantPrivateMessages.put(roomKey, newNote)
                     }
-                } else {
-                    newRelevantPrivateMessages.put(roomUserHex, newNote)
                 }
             }
         }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ChatroomListNewFeedFilter.kt

@@ -1,10 +1,11 @@
 package com.vitorpamplona.amethyst.ui.dal
 
 import com.vitorpamplona.amethyst.model.Account
-import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.ui.actions.updated
+import com.vitorpamplona.quartz.events.ChatroomKey
+import com.vitorpamplona.quartz.events.ChatroomKeyable
+import com.vitorpamplona.quartz.events.PrivateDmEvent
 import kotlin.time.ExperimentalTime
 import kotlin.time.measureTimedValue
 
@@ -21,7 +22,8 @@ class ChatroomListNewFeedFilter(val account: Account) : AdditiveFeedFilter<Note>
 
         val privateChatrooms = account.userProfile().privateChatrooms
         val messagingWith = privateChatrooms.keys.filter {
-            it.pubkeyHex !in followingKeySet && !me.hasSentMessagesTo(it) && account.isAcceptable(it)
+            privateChatrooms[it]?.senderIntersects(followingKeySet) == false &&
+                !me.hasSentMessagesTo(it) && !account.isAllHidden(it.users)
         }
 
         val privateMessages = messagingWith.mapNotNull { it ->
@@ -51,15 +53,20 @@ class ChatroomListNewFeedFilter(val account: Account) : AdditiveFeedFilter<Note>
             var myNewList = oldList
 
             newRelevantPrivateMessages.forEach { newNotePair ->
+                var hasUpdated = false
                 oldList.forEach { oldNote ->
-                    val oldRoom = (oldNote.event as? PrivateDmEvent)?.talkingWith(me.pubkeyHex)
+                    val oldRoom = (oldNote.event as? ChatroomKeyable)?.chatroomKey(me.pubkeyHex)
 
-                    if (
-                        (newNotePair.key == oldRoom) && (newNotePair.value.createdAt() ?: 0) > (oldNote.createdAt() ?: 0)
-                    ) {
-                        myNewList = myNewList.updated(oldNote, newNotePair.value)
+                    if (newNotePair.key == oldRoom) {
+                        hasUpdated = true
+                        if ((newNotePair.value.createdAt() ?: 0) > (oldNote.createdAt() ?: 0)) {
+                            myNewList = myNewList.updated(oldNote, newNotePair.value)
+                        }
                     }
                 }
+                if (!hasUpdated) {
+                    myNewList = myNewList.plus(newNotePair.value)
+                }
             }
 
             sort(myNewList.toSet()).take(1000)
@@ -80,26 +87,26 @@ class ChatroomListNewFeedFilter(val account: Account) : AdditiveFeedFilter<Note>
         }
     }
 
-    private fun filterRelevantPrivateMessages(newItems: Set<Note>, account: Account): MutableMap<String, Note> {
+    private fun filterRelevantPrivateMessages(newItems: Set<Note>, account: Account): MutableMap<ChatroomKey, Note> {
         val me = account.userProfile()
         val followingKeySet = account.followingKeySet()
 
-        val newRelevantPrivateMessages = mutableMapOf<String, Note>()
+        val newRelevantPrivateMessages = mutableMapOf<ChatroomKey, Note>()
         newItems.filter { it.event is PrivateDmEvent }.forEach { newNote ->
-            val roomUserHex = (newNote.event as? PrivateDmEvent)?.talkingWith(me.pubkeyHex)
-            val roomUser = roomUserHex?.let { LocalCache.users[it] }
+            val roomKey = (newNote.event as? ChatroomKeyable)?.chatroomKey(me.pubkeyHex)
+            val room = account.userProfile().privateChatrooms[roomKey]
 
-            if (roomUserHex != null &&
-                (newNote.author?.pubkeyHex != me.pubkeyHex && roomUserHex !in followingKeySet && !me.hasSentMessagesTo(roomUser)) &&
-                !account.isHidden(roomUserHex)
+            if (roomKey != null && room != null &&
+                (newNote.author?.pubkeyHex != me.pubkeyHex && room.senderIntersects(followingKeySet) && !me.hasSentMessagesTo(roomKey)) &&
+                !account.isAllHidden(roomKey.users)
             ) {
-                val lastNote = newRelevantPrivateMessages.get(roomUserHex)
+                val lastNote = newRelevantPrivateMessages.get(roomKey)
                 if (lastNote != null) {
                     if ((newNote.createdAt() ?: 0) > (lastNote.createdAt() ?: 0)) {
-                        newRelevantPrivateMessages.put(roomUserHex, newNote)
+                        newRelevantPrivateMessages.put(roomKey, newNote)
                     }
                 } else {
-                    newRelevantPrivateMessages.put(roomUserHex, newNote)
+                    newRelevantPrivateMessages.put(roomKey, newNote)
                 }
             }
         }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/CommunityFeedFilter.kt

@@ -4,7 +4,7 @@ import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.AddressableNote
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.service.model.CommunityPostApprovalEvent
+import com.vitorpamplona.quartz.events.CommunityPostApprovalEvent
 
 class CommunityFeedFilter(val note: AddressableNote, val account: Account) : AdditiveFeedFilter<Note>() {
     override fun feedKey(): String {

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/DiscoverChatFeedFilter.kt

@@ -5,8 +5,8 @@ import com.vitorpamplona.amethyst.model.GLOBAL_FOLLOWS
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.ParticipantListBuilder
-import com.vitorpamplona.amethyst.model.TimeUtils
-import com.vitorpamplona.amethyst.service.model.*
+import com.vitorpamplona.quartz.events.*
+import com.vitorpamplona.quartz.utils.TimeUtils
 
 open class DiscoverChatFeedFilter(val account: Account) : AdditiveFeedFilter<Note>() {
     override fun feedKey(): String {

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/DiscoverCommunityFeedFilter.kt

@@ -5,8 +5,8 @@ import com.vitorpamplona.amethyst.model.GLOBAL_FOLLOWS
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.ParticipantListBuilder
-import com.vitorpamplona.amethyst.model.TimeUtils
-import com.vitorpamplona.amethyst.service.model.*
+import com.vitorpamplona.quartz.events.*
+import com.vitorpamplona.quartz.utils.TimeUtils
 
 open class DiscoverCommunityFeedFilter(val account: Account) : AdditiveFeedFilter<Note>() {
     override fun feedKey(): String {

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/DiscoverLiveFeedFilter.kt

@@ -5,11 +5,11 @@ import com.vitorpamplona.amethyst.model.GLOBAL_FOLLOWS
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.ParticipantListBuilder
-import com.vitorpamplona.amethyst.model.TimeUtils
-import com.vitorpamplona.amethyst.service.model.*
-import com.vitorpamplona.amethyst.service.model.LiveActivitiesEvent.Companion.STATUS_ENDED
-import com.vitorpamplona.amethyst.service.model.LiveActivitiesEvent.Companion.STATUS_LIVE
-import com.vitorpamplona.amethyst.service.model.LiveActivitiesEvent.Companion.STATUS_PLANNED
+import com.vitorpamplona.quartz.events.*
+import com.vitorpamplona.quartz.events.LiveActivitiesEvent.Companion.STATUS_ENDED
+import com.vitorpamplona.quartz.events.LiveActivitiesEvent.Companion.STATUS_LIVE
+import com.vitorpamplona.quartz.events.LiveActivitiesEvent.Companion.STATUS_PLANNED
+import com.vitorpamplona.quartz.utils.TimeUtils
 
 open class DiscoverLiveFeedFilter(val account: Account) : AdditiveFeedFilter<Note>() {
     override fun feedKey(): String {

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/DiscoverLiveNowFeedFilter.kt

@@ -3,8 +3,8 @@ package com.vitorpamplona.amethyst.ui.dal
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.service.OnlineChecker
-import com.vitorpamplona.amethyst.service.model.*
-import com.vitorpamplona.amethyst.service.model.LiveActivitiesEvent.Companion.STATUS_LIVE
+import com.vitorpamplona.quartz.events.*
+import com.vitorpamplona.quartz.events.LiveActivitiesEvent.Companion.STATUS_LIVE
 
 class DiscoverLiveNowFeedFilter(account: Account) : DiscoverLiveFeedFilter(account) {
     override fun innerApplyFilter(collection: Collection<Note>): Set<Note> {

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/GeoHashFeedFilter.kt

@@ -3,10 +3,11 @@ package com.vitorpamplona.amethyst.ui.dal
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
-import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
-import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
-import com.vitorpamplona.amethyst.service.model.TextNoteEvent
+import com.vitorpamplona.quartz.events.AudioHeaderEvent
+import com.vitorpamplona.quartz.events.ChannelMessageEvent
+import com.vitorpamplona.quartz.events.LongTextNoteEvent
+import com.vitorpamplona.quartz.events.PrivateDmEvent
+import com.vitorpamplona.quartz.events.TextNoteEvent
 
 class GeoHashFeedFilter(val tag: String, val account: Account) : AdditiveFeedFilter<Note>() {
 
@@ -32,7 +33,8 @@ class GeoHashFeedFilter(val tag: String, val account: Account) : AdditiveFeedFil
                     it.event is TextNoteEvent ||
                         it.event is LongTextNoteEvent ||
                         it.event is ChannelMessageEvent ||
-                        it.event is PrivateDmEvent
+                        it.event is PrivateDmEvent ||
+                        it.event is AudioHeaderEvent
                     ) &&
                     it.event?.isTaggedGeoHash(myTag) == true
             }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/HashtagFeedFilter.kt

@@ -3,10 +3,11 @@ package com.vitorpamplona.amethyst.ui.dal
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
-import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
-import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
-import com.vitorpamplona.amethyst.service.model.TextNoteEvent
+import com.vitorpamplona.quartz.events.AudioHeaderEvent
+import com.vitorpamplona.quartz.events.ChannelMessageEvent
+import com.vitorpamplona.quartz.events.LongTextNoteEvent
+import com.vitorpamplona.quartz.events.PrivateDmEvent
+import com.vitorpamplona.quartz.events.TextNoteEvent
 
 class HashtagFeedFilter(val tag: String, val account: Account) : AdditiveFeedFilter<Note>() {
 
@@ -32,7 +33,8 @@ class HashtagFeedFilter(val tag: String, val account: Account) : AdditiveFeedFil
                     it.event is TextNoteEvent ||
                         it.event is LongTextNoteEvent ||
                         it.event is ChannelMessageEvent ||
-                        it.event is PrivateDmEvent
+                        it.event is PrivateDmEvent ||
+                        it.event is AudioHeaderEvent
                     ) &&
                     it.event?.isTaggedHash(myTag) == true
             }