feat: add try-delete post option

src/App.tsx

@@ -4,6 +4,7 @@ import './index.css'
 import { Toaster } from '@/components/ui/sonner'
 import { BookmarksProvider } from '@/providers/BookmarksProvider'
 import { ContentPolicyProvider } from '@/providers/ContentPolicyProvider'
+import { DeletedEventProvider } from '@/providers/DeletedEventProvider'
 import { FavoriteRelaysProvider } from '@/providers/FavoriteRelaysProvider'
 import { FeedProvider } from '@/providers/FeedProvider'
 import { FollowListProvider } from '@/providers/FollowListProvider'
@@ -24,6 +25,7 @@ export default function App(): JSX.Element {
     <ThemeProvider>
       <ContentPolicyProvider>
         <ScreenSizeProvider>
+          <DeletedEventProvider>
             <NostrProvider>
               <ZapProvider>
                 <TranslationServiceProvider>
@@ -50,6 +52,7 @@ export default function App(): JSX.Element {
                 </TranslationServiceProvider>
               </ZapProvider>
             </NostrProvider>
+          </DeletedEventProvider>
         </ScreenSizeProvider>
       </ContentPolicyProvider>
     </ThemeProvider>

src/components/NoteList/index.tsx

@@ -5,6 +5,7 @@ import {
   isReplaceableEvent,
   isReplyNoteEvent
 } from '@/lib/event'
+import { useDeletedEvent } from '@/providers/DeletedEventProvider'
 import { useMuteList } from '@/providers/MuteListProvider'
 import { useNostr } from '@/providers/NostrProvider'
 import { useUserTrust } from '@/providers/UserTrustProvider'
@@ -44,6 +45,7 @@ const NoteList = forwardRef(
     const { startLogin } = useNostr()
     const { isUserTrusted } = useUserTrust()
     const { mutePubkeys } = useMuteList()
+    const { isEventDeleted } = useDeletedEvent()
     const [events, setEvents] = useState<Event[]>([])
     const [newEvents, setNewEvents] = useState<Event[]>([])
     const [hasMore, setHasMore] = useState<boolean>(true)
@@ -58,6 +60,7 @@ const NoteList = forwardRef(
       const idSet = new Set<string>()
 
       return events.slice(0, showCount).filter((evt) => {
+        if (isEventDeleted(evt)) return false
         if (hideReplies && isReplyNoteEvent(evt)) return false
         if (hideUntrustedNotes && !isUserTrusted(evt.pubkey)) return false
 
@@ -68,12 +71,13 @@ const NoteList = forwardRef(
         idSet.add(id)
         return true
       })
-    }, [events, hideReplies, hideUntrustedNotes, showCount])
+    }, [events, hideReplies, hideUntrustedNotes, showCount, isEventDeleted])
 
     const filteredNewEvents = useMemo(() => {
       const idSet = new Set<string>()
 
       return newEvents.filter((event: Event) => {
+        if (isEventDeleted(event)) return false
         if (hideReplies && isReplyNoteEvent(event)) return false
         if (hideUntrustedNotes && !isUserTrusted(event.pubkey)) return false
         if (filterMutedNotes && mutePubkeys.includes(event.pubkey)) return false
@@ -87,7 +91,7 @@ const NoteList = forwardRef(
         idSet.add(id)
         return true
       })
-    }, [newEvents, hideReplies, hideUntrustedNotes, filterMutedNotes, mutePubkeys])
+    }, [newEvents, hideReplies, hideUntrustedNotes, filterMutedNotes, mutePubkeys, isEventDeleted])
 
     const scrollToTop = (behavior: ScrollBehavior = 'instant') => {
       setTimeout(() => {

src/components/NoteOptions/useMenuActions.tsx

@@ -6,7 +6,7 @@ import { useFavoriteRelays } from '@/providers/FavoriteRelaysProvider'
 import { useMuteList } from '@/providers/MuteListProvider'
 import { useNostr } from '@/providers/NostrProvider'
 import client from '@/services/client.service'
-import { Bell, BellOff, Code, Copy, Link, Mail, SatelliteDish, Server } from 'lucide-react'
+import { Bell, BellOff, Code, Copy, Link, Mail, SatelliteDish, Server, Trash2 } from 'lucide-react'
 import { Event } from 'nostr-tools'
 import { useMemo } from 'react'
 import { useTranslation } from 'react-i18next'
@@ -45,7 +45,7 @@ export function useMenuActions({
   isSmallScreen
 }: UseMenuActionsProps) {
   const { t } = useTranslation()
-  const { pubkey, relayList } = useNostr()
+  const { pubkey, relayList, attemptDelete } = useNostr()
   const { relaySets, favoriteRelays } = useFavoriteRelays()
   const { mutePubkeyPublicly, mutePubkeyPrivately, unmutePubkey, mutePubkeys } = useMuteList()
   const isMuted = useMemo(() => mutePubkeys.includes(event.pubkey), [mutePubkeys, event])
@@ -235,6 +235,19 @@ export function useMenuActions({
       }
     }
 
+    if (pubkey && event.pubkey === pubkey) {
+      actions.push({
+        icon: Trash2,
+        label: t('Try deleting this note'),
+        onClick: () => {
+          closeDrawer()
+          attemptDelete(event)
+        },
+        className: 'text-destructive focus:text-destructive',
+        separator: true
+      })
+    }
+
     return actions
   }, [
     t,

src/i18n/locales/ar.ts

@@ -367,6 +367,8 @@ export default {
     'Remember my choice': 'تذكر اختياري',
     Apply: 'تطبيق',
     Reset: 'إعادة تعيين',
-    'Share something on this Relay': 'شارك شيئاً على هذا الريلاي'
+    'Share something on this Relay': 'شارك شيئاً على هذا الريلاي',
+    'Try deleting this note': 'حاول حذف هذه الملاحظة',
+    'Deletion request sent to {{count}} relays': 'تم إرسال طلب الحذف إلى {{count}} ريلايات'
   }
 }

src/i18n/locales/de.ts

@@ -375,6 +375,8 @@ export default {
     'Remember my choice': 'Meine Auswahl merken',
     Apply: 'Anwenden',
     Reset: 'Zurücksetzen',
-    'Share something on this Relay': 'Teile etwas auf diesem Relay'
+    'Share something on this Relay': 'Teile etwas auf diesem Relay',
+    'Try deleting this note': 'Versuche, diese Notiz zu löschen',
+    'Deletion request sent to {{count}} relays': 'Löschanfrage an {{count}} Relays gesendet'
   }
 }

src/i18n/locales/en.ts

@@ -366,6 +366,8 @@ export default {
     'Remember my choice': 'Remember my choice',
     Apply: 'Apply',
     Reset: 'Reset',
-    'Share something on this Relay': 'Share something on this Relay'
+    'Share something on this Relay': 'Share something on this Relay',
+    'Try deleting this note': 'Try deleting this note',
+    'Deletion request sent to {{count}} relays': 'Deletion request sent to {{count}} relays'
   }
 }

src/i18n/locales/es.ts

@@ -371,6 +371,9 @@ export default {
     'Remember my choice': 'Recordar mi elección',
     Apply: 'Aplicar',
     Reset: 'Restablecer',
-    'Share something on this Relay': 'Comparte algo en este relé'
+    'Share something on this Relay': 'Comparte algo en este relé',
+    'Try deleting this note': 'Intenta eliminar esta nota',
+    'Deletion request sent to {{count}} relays':
+      'Solicitud de eliminación enviada a {{count}} relés'
   }
 }

src/i18n/locales/fa.ts

@@ -368,6 +368,8 @@ export default {
     'Remember my choice': 'انتخاب من را به خاطر بسپار',
     Apply: 'اعمال',
     Reset: 'بازنشانی',
-    'Share something on this Relay': 'در این رله چیزی به اشتراک بگذارید'
+    'Share something on this Relay': 'در این رله چیزی به اشتراک بگذارید',
+    'Try deleting this note': 'سعی کنید این یادداشت را حذف کنید',
+    'Deletion request sent to {{count}} relays': 'درخواست حذف به {{count}} رله ارسال شد'
   }
 }

src/i18n/locales/fr.ts

@@ -373,6 +373,8 @@ export default {
     'Remember my choice': 'Se souvenir de mon choix',
     Apply: 'Appliquer',
     Reset: 'Réinitialiser',
-    'Share something on this Relay': 'Partager quelque chose sur ce relais'
+    'Share something on this Relay': 'Partager quelque chose sur ce relais',
+    'Try deleting this note': 'Essayez de supprimer cette note',
+    'Deletion request sent to {{count}} relays': 'Demande de suppression envoyée à {{count}} relais'
   }
 }

src/i18n/locales/it.ts

@@ -371,6 +371,9 @@ export default {
     'Remember my choice': 'Ricorda la mia scelta',
     Apply: 'Applica',
     Reset: 'Reimposta',
-    'Share something on this Relay': 'Condividi qualcosa su questo Relay'
+    'Share something on this Relay': 'Condividi qualcosa su questo Relay',
+    'Try deleting this note': 'Prova a eliminare questa nota',
+    'Deletion request sent to {{count}} relays':
+      'Richiesta di eliminazione inviata a {{count}} relays'
   }
 }

src/i18n/locales/ja.ts

@@ -368,6 +368,9 @@ export default {
     'Remember my choice': '選択を記憶',
     Apply: '適用',
     Reset: 'リセット',
-    'Share something on this Relay': 'このリレーで何かを共有する'
+    'Share something on this Relay': 'このリレーで何かを共有する',
+    'Try deleting this note': 'このノートを削除してみてください',
+    'Deletion request sent to {{count}} relays':
+      '削除リクエストが{{count}}個のリレーに送信されました'
   }
 }

src/i18n/locales/ko.ts

@@ -368,6 +368,8 @@ export default {
     'Remember my choice': '내 선택 기억하기',
     Apply: '적용',
     Reset: '초기화',
-    'Share something on this Relay': '이 릴레이에서 무언가를 공유하세요'
+    'Share something on this Relay': '이 릴레이에서 무언가를 공유하세요',
+    'Try deleting this note': '이 노트를 삭제해 보세요',
+    'Deletion request sent to {{count}} relays': '삭제 요청이 {{count}}개의 릴레이로 전송되었습니다'
   }
 }

src/i18n/locales/pl.ts

@@ -372,6 +372,9 @@ export default {
     'Remember my choice': 'Zapamiętaj mój wybór',
     Apply: 'Zastosuj',
     Reset: 'Resetuj',
-    'Share something on this Relay': 'Udostępnij coś na tym przekaźniku'
+    'Share something on this Relay': 'Udostępnij coś na tym przekaźniku',
+    'Try deleting this note': 'Spróbuj usunąć ten wpis',
+    'Deletion request sent to {{count}} relays':
+      'Żądanie usunięcia wysłane do {{count}} przekaźników'
   }
 }

src/i18n/locales/pt-BR.ts

@@ -369,6 +369,8 @@ export default {
     'Remember my choice': 'Lembrar minha escolha',
     Apply: 'Aplicar',
     Reset: 'Redefinir',
-    'Share something on this Relay': 'Compartilhe algo neste Relay'
+    'Share something on this Relay': 'Compartilhe algo neste Relay',
+    'Try deleting this note': 'Tente excluir esta nota',
+    'Deletion request sent to {{count}} relays': 'Pedido de exclusão enviado para {{count}} relays'
   }
 }

src/i18n/locales/pt-PT.ts

@@ -371,6 +371,9 @@ export default {
     'Remember my choice': 'Lembrar a minha escolha',
     Apply: 'Aplicar',
     Reset: 'Repor',
-    'Share something on this Relay': 'Partilhe algo neste Relay'
+    'Share something on this Relay': 'Partilhe algo neste Relay',
+    'Try deleting this note': 'Tente eliminar esta nota',
+    'Deletion request sent to {{count}} relays':
+      'Pedido de eliminação enviado para {{count}} relays'
   }
 }

src/i18n/locales/ru.ts

@@ -372,6 +372,8 @@ export default {
     'Remember my choice': 'Запомнить мой выбор',
     Apply: 'Применить',
     Reset: 'Сбросить',
-    'Share something on this Relay': 'Поделиться чем-то на этом релее'
+    'Share something on this Relay': 'Поделиться чем-то на этом релее',
+    'Try deleting this note': 'Попробуйте удалить эту заметку',
+    'Deletion request sent to {{count}} relays': 'Запрос на удаление отправлен на {{count}} релеев'
   }
 }

src/i18n/locales/th.ts

@@ -365,6 +365,8 @@ export default {
     'Remember my choice': 'จำการเลือกของฉัน',
     Apply: 'ใช้',
     Reset: 'รีเซ็ต',
-    'Share something on this Relay': 'แชร์บางอย่างบนรีเลย์นี้'
+    'Share something on this Relay': 'แชร์บางอย่างบนรีเลย์นี้',
+    'Try deleting this note': 'ลองลบโน้ตนี้ดู',
+    'Deletion request sent to {{count}} relays': 'คำขอลบถูกส่งไปยังรีเลย์ {{count}} รายการ'
   }
 }

src/i18n/locales/zh.ts

@@ -363,6 +363,8 @@ export default {
     'Remember my choice': '记住我的选择',
     Apply: '应用',
     Reset: '重置',
-    'Share something on this Relay': '在此服务器上分享点什么'
+    'Share something on this Relay': '在此服务器上分享点什么',
+    'Try deleting this note': '尝试删除此笔记',
+    'Deletion request sent to {{count}} relays': '删除请求已发送到 {{count}} 个服务器'
   }
 }

src/lib/draft-event.ts

@@ -416,6 +416,22 @@ export function createPollResponseDraftEvent(
   }
 }
 
+export function createDeletionRequestDraftEvent(event: Event): TDraftEvent {
+  const tags: string[][] = [buildKTag(event.kind)]
+  if (isReplaceableEvent(event.kind)) {
+    tags.push(['a', getReplaceableCoordinateFromEvent(event)])
+  } else {
+    tags.push(['e', event.id])
+  }
+
+  return {
+    kind: kinds.EventDeletion,
+    content: 'Request for deletion of the event.',
+    tags,
+    created_at: dayjs().unix()
+  }
+}
+
 function generateImetaTags(imageUrls: string[]) {
   return imageUrls
     .map((imageUrl) => {

src/providers/DeletedEventProvider.tsx

@@ -0,0 +1,43 @@
+import { getReplaceableCoordinateFromEvent, isReplaceableEvent } from '@/lib/event'
+import { NostrEvent } from 'nostr-tools'
+import { createContext, useCallback, useContext, useState } from 'react'
+
+type TDeletedEventContext = {
+  addDeletedEvent: (event: NostrEvent) => void
+  isEventDeleted: (event: NostrEvent) => boolean
+}
+
+const DeletedEventContext = createContext<TDeletedEventContext | undefined>(undefined)
+
+export const useDeletedEvent = () => {
+  const context = useContext(DeletedEventContext)
+  if (!context) {
+    throw new Error('useDeletedEvent must be used within a DeletedEventProvider')
+  }
+  return context
+}
+
+export function DeletedEventProvider({ children }: { children: React.ReactNode }) {
+  const [deletedEventKeys, setDeletedEventKeys] = useState<Set<string>>(new Set())
+
+  const isEventDeleted = useCallback(
+    (event: NostrEvent) => {
+      return deletedEventKeys.has(getKey(event))
+    },
+    [deletedEventKeys]
+  )
+
+  const addDeletedEvent = (event: NostrEvent) => {
+    setDeletedEventKeys((prev) => new Set(prev).add(getKey(event)))
+  }
+
+  return (
+    <DeletedEventContext.Provider value={{ addDeletedEvent, isEventDeleted }}>
+      {children}
+    </DeletedEventContext.Provider>
+  )
+}
+
+function getKey(event: NostrEvent) {
+  return isReplaceableEvent(event.kind) ? getReplaceableCoordinateFromEvent(event) : event.id
+}

src/providers/NostrProvider/index.tsx

@@ -1,12 +1,13 @@
 import LoginDialog from '@/components/LoginDialog'
 import { ApplicationDataKey, BIG_RELAY_URLS, ExtendedKind } from '@/constants'
 import {
+  createDeletionRequestDraftEvent,
   createFollowListDraftEvent,
   createMuteListDraftEvent,
   createRelayListDraftEvent,
   createSeenNotificationsAtDraftEvent
 } from '@/lib/draft-event'
-import { getLatestEvent, getReplaceableEventIdentifier } from '@/lib/event'
+import { getLatestEvent, getReplaceableEventIdentifier, isProtectedEvent } from '@/lib/event'
 import { getProfileFromEvent, getRelayListFromEvent } from '@/lib/event-metadata'
 import { formatPubkey, isValidPubkey, pubkeyToNpub } from '@/lib/pubkey'
 import client from '@/services/client.service'
@@ -28,6 +29,7 @@ import { Nip07Signer } from './nip-07.signer'
 import { NostrConnectionSigner } from './nostrConnection.signer'
 import { NpubSigner } from './npub.signer'
 import { NsecSigner } from './nsec.signer'
+import { useDeletedEvent } from '../DeletedEventProvider'
 
 type TPublishOptions = {
   specifiedRelayUrls?: string[]
@@ -62,6 +64,7 @@ type TNostrContext = {
    * Default publish the event to current relays, user's write relays and additional relays
    */
   publish: (draftEvent: TDraftEvent, options?: TPublishOptions) => Promise<Event>
+  attemptDelete: (targetEvent: Event) => Promise<void>
   signHttpAuth: (url: string, method: string) => Promise<string>
   signEvent: (draftEvent: TDraftEvent) => Promise<VerifiedEvent>
   nip04Encrypt: (pubkey: string, plainText: string) => Promise<string>
@@ -91,6 +94,7 @@ export const useNostr = () => {
 
 export function NostrProvider({ children }: { children: React.ReactNode }) {
   const { t } = useTranslation()
+  const { addDeletedEvent } = useDeletedEvent()
   const [accounts, setAccounts] = useState<TAccountPointer[]>(
     storage.getAccounts().map((act) => ({ pubkey: act.pubkey, signerType: act.signerType }))
   )
@@ -587,10 +591,7 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
     return event as VerifiedEvent
   }
 
-  const publish = async (
-    draftEvent: TDraftEvent,
-    { specifiedRelayUrls, additionalRelayUrls }: TPublishOptions = {}
-  ) => {
+  const publish = async (draftEvent: TDraftEvent, options: TPublishOptions = {}) => {
     if (!account || !signer || account.signerType === 'npub') {
       throw new Error('You need to login first')
     }
@@ -610,56 +611,32 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
       }
     }
 
-    const _additionalRelayUrls: string[] = additionalRelayUrls ?? []
-    if (
-      !specifiedRelayUrls?.length &&
-      ![kinds.Contacts, kinds.Mutelist].includes(draftEvent.kind)
-    ) {
-      const mentions: string[] = []
-      draftEvent.tags.forEach(([tagName, tagValue]) => {
-        if (
-          ['p', 'P'].includes(tagName) &&
-          !!tagValue &&
-          isValidPubkey(tagValue) &&
-          !mentions.includes(tagValue)
-        ) {
-          mentions.push(tagValue)
+    const relays = await determineTargetRelays(event, options)
+
+    await client.publishEvent(relays, event)
+    return event
   }
-      })
-      if (mentions.length > 0) {
-        const relayLists = await client.fetchRelayLists(mentions)
-        relayLists.forEach((relayList) => {
-          _additionalRelayUrls.push(...relayList.read.slice(0, 4))
-        })
+
+  const attemptDelete = async (targetEvent: Event) => {
+    if (!signer) {
+      throw new Error(t('You need to login first'))
     }
-    }
-    if (
-      [
-        kinds.RelayList,
-        kinds.Contacts,
-        ExtendedKind.FAVORITE_RELAYS,
-        ExtendedKind.BLOSSOM_SERVER_LIST
-      ].includes(draftEvent.kind)
-    ) {
-      _additionalRelayUrls.push(...BIG_RELAY_URLS)
+    if (account?.pubkey !== targetEvent.pubkey) {
+      throw new Error(t('You can only delete your own notes'))
     }
 
-    let relays: string[]
-    if (specifiedRelayUrls?.length) {
-      relays = specifiedRelayUrls
-    } else {
-      const relayList = await client.fetchRelayList(event.pubkey)
-      relays = (relayList?.write.slice(0, 10) ?? []).concat(
-        Array.from(new Set(_additionalRelayUrls)) ?? []
-      )
-    }
+    const deletionRequest = await signEvent(createDeletionRequestDraftEvent(targetEvent))
 
-    if (!relays.length) {
-      relays.push(...BIG_RELAY_URLS)
-    }
+    const seenOn = client.getSeenEventRelayUrls(targetEvent.id)
+    const relays = await determineTargetRelays(targetEvent, {
+      specifiedRelayUrls: isProtectedEvent(targetEvent) ? seenOn : undefined,
+      additionalRelayUrls: seenOn
+    })
 
-    await client.publishEvent(relays, event)
-    return event
+    await client.publishEvent(relays, deletionRequest)
+
+    addDeletedEvent(targetEvent)
+    toast.success(t('Deletion request sent to {{count}} relays', { count: relays.length }))
   }
 
   const signHttpAuth = async (url: string, method: string, content = '') => {
@@ -779,6 +756,7 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
         npubLogin,
         removeAccount,
         publish,
+        attemptDelete,
         signHttpAuth,
         nip04Encrypt,
         nip04Decrypt,
@@ -799,3 +777,55 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
     </NostrContext.Provider>
   )
 }
+
+async function determineTargetRelays(
+  event: Event,
+  { specifiedRelayUrls, additionalRelayUrls }: TPublishOptions = {}
+) {
+  const _additionalRelayUrls: string[] = additionalRelayUrls ?? []
+  if (!specifiedRelayUrls?.length && ![kinds.Contacts, kinds.Mutelist].includes(event.kind)) {
+    const mentions: string[] = []
+    event.tags.forEach(([tagName, tagValue]) => {
+      if (
+        ['p', 'P'].includes(tagName) &&
+        !!tagValue &&
+        isValidPubkey(tagValue) &&
+        !mentions.includes(tagValue)
+      ) {
+        mentions.push(tagValue)
+      }
+    })
+    if (mentions.length > 0) {
+      const relayLists = await client.fetchRelayLists(mentions)
+      relayLists.forEach((relayList) => {
+        _additionalRelayUrls.push(...relayList.read.slice(0, 4))
+      })
+    }
+  }
+  if (
+    [
+      kinds.RelayList,
+      kinds.Contacts,
+      ExtendedKind.FAVORITE_RELAYS,
+      ExtendedKind.BLOSSOM_SERVER_LIST
+    ].includes(event.kind)
+  ) {
+    _additionalRelayUrls.push(...BIG_RELAY_URLS)
+  }
+
+  let relays: string[]
+  if (specifiedRelayUrls?.length) {
+    relays = specifiedRelayUrls
+  } else {
+    const relayList = await client.fetchRelayList(event.pubkey)
+    relays = (relayList?.write.slice(0, 10) ?? []).concat(
+      Array.from(new Set(_additionalRelayUrls)) ?? []
+    )
+  }
+
+  if (!relays.length) {
+    relays.push(...BIG_RELAY_URLS)
+  }
+
+  return relays
+}