feat: mute

src/App.tsx

@@ -6,6 +6,7 @@ import { ThemeProvider } from '@/providers/ThemeProvider'
 import { PageManager } from './PageManager'
 import { FeedProvider } from './providers/FeedProvider'
 import { FollowListProvider } from './providers/FollowListProvider'
+import { MuteListProvider } from './providers/MuteListProvider'
 import { NostrProvider } from './providers/NostrProvider'
 import { NoteStatsProvider } from './providers/NoteStatsProvider'
 import { RelaySetsProvider } from './providers/RelaySetsProvider'
@@ -18,12 +19,14 @@ export default function App(): JSX.Element {
         <NostrProvider>
           <RelaySetsProvider>
             <FollowListProvider>
-              <FeedProvider>
-                <NoteStatsProvider>
-                  <PageManager />
-                  <Toaster />
-                </NoteStatsProvider>
-              </FeedProvider>
+              <MuteListProvider>
+                <FeedProvider>
+                  <NoteStatsProvider>
+                    <PageManager />
+                    <Toaster />
+                  </NoteStatsProvider>
+                </FeedProvider>
+              </MuteListProvider>
             </FollowListProvider>
           </RelaySetsProvider>
         </NostrProvider>

src/components/MuteButton/index.tsx

@@ -0,0 +1,78 @@
+import { Button } from '@/components/ui/button'
+import { useToast } from '@/hooks'
+import { useMuteList } from '@/providers/MuteListProvider'
+import { useNostr } from '@/providers/NostrProvider'
+import { Loader } from 'lucide-react'
+import { useMemo, useState } from 'react'
+import { useTranslation } from 'react-i18next'
+
+export default function MuteButton({ pubkey }: { pubkey: string }) {
+  const { t } = useTranslation()
+  const { toast } = useToast()
+  const { pubkey: accountPubkey, checkLogin } = useNostr()
+  const { mutePubkeys, mutePubkey, unmutePubkey } = useMuteList()
+  const [updating, setUpdating] = useState(false)
+  const isMuted = useMemo(() => mutePubkeys.includes(pubkey), [mutePubkeys, pubkey])
+
+  if (!accountPubkey || (pubkey && pubkey === accountPubkey)) return null
+
+  const handleMute = async (e: React.MouseEvent) => {
+    e.stopPropagation()
+    checkLogin(async () => {
+      if (isMuted) return
+
+      setUpdating(true)
+      try {
+        await mutePubkey(pubkey)
+      } catch (error) {
+        toast({
+          title: t('Mute failed'),
+          description: (error as Error).message,
+          variant: 'destructive'
+        })
+      } finally {
+        setUpdating(false)
+      }
+    })
+  }
+
+  const handleUnmute = async (e: React.MouseEvent) => {
+    e.stopPropagation()
+    checkLogin(async () => {
+      if (!isMuted) return
+
+      setUpdating(true)
+      try {
+        await unmutePubkey(pubkey)
+      } catch (error) {
+        toast({
+          title: t('Unmute failed'),
+          description: (error as Error).message,
+          variant: 'destructive'
+        })
+      } finally {
+        setUpdating(false)
+      }
+    })
+  }
+
+  return isMuted ? (
+    <Button
+      className="w-20 min-w-20 rounded-full"
+      variant="secondary"
+      onClick={handleUnmute}
+      disabled={updating}
+    >
+      {updating ? <Loader className="animate-spin" /> : t('Unmute')}
+    </Button>
+  ) : (
+    <Button
+      variant="destructive"
+      className="w-20 min-w-20 rounded-full"
+      onClick={handleMute}
+      disabled={updating}
+    >
+      {updating ? <Loader className="animate-spin" /> : t('Mute')}
+    </Button>
+  )
+}

src/components/NoteList/index.tsx

@@ -3,6 +3,7 @@ import { PICTURE_EVENT_KIND } from '@/constants'
 import { useFetchRelayInfos } from '@/hooks'
 import { isReplyNoteEvent } from '@/lib/event'
 import { cn } from '@/lib/utils'
+import { useMuteList } from '@/providers/MuteListProvider'
 import { useNostr } from '@/providers/NostrProvider'
 import { useScreenSize } from '@/providers/ScreenSizeProvider'
 import client from '@/services/client.service'
@@ -23,15 +24,18 @@ type TListMode = 'posts' | 'postsAndReplies' | 'pictures'
 export default function NoteList({
   relayUrls,
   filter = {},
-  className
+  className,
+  filterMutedNotes = true
 }: {
   relayUrls: string[]
   filter?: Filter
   className?: string
+  filterMutedNotes?: boolean
 }) {
   const { t } = useTranslation()
   const { isLargeScreen } = useScreenSize()
   const { signEvent, checkLogin } = useNostr()
+  const { mutePubkeys } = useMuteList()
   const { areAlgoRelays } = useFetchRelayInfos([...relayUrls])
   const [refreshCount, setRefreshCount] = useState(0)
   const [timelineKey, setTimelineKey] = useState<string | undefined>(undefined)
@@ -158,6 +162,13 @@ export default function NoteList({
     setNewEvents([])
   }
 
+  const eventFilter = (event: Event) => {
+    return (
+      (!filterMutedNotes || !mutePubkeys.includes(event.pubkey)) &&
+      (listMode !== 'posts' || !isReplyNoteEvent(event))
+    )
+  }
+
   return (
     <div className={cn('space-y-2 sm:space-y-2', className)}>
       <ListModeSwitch listMode={listMode} setListMode={setListMode} />
@@ -169,8 +180,7 @@ export default function NoteList({
         pullingContent=""
       >
         <div className="space-y-2 sm:space-y-2">
-          {newEvents.filter((event) => listMode !== 'posts' || !isReplyNoteEvent(event)).length >
-            0 && (
+          {newEvents.filter(eventFilter).length > 0 && (
             <div className="flex justify-center w-full max-sm:mt-2">
               <Button size="lg" onClick={showNewEvents}>
                 {t('show new notes')}
@@ -185,11 +195,9 @@ export default function NoteList({
             />
           ) : (
             <div>
-              {events
-                .filter((event) => listMode === 'postsAndReplies' || !isReplyNoteEvent(event))
-                .map((event) => (
-                  <NoteCard key={event.id} className="w-full" event={event} />
-                ))}
+              {events.filter(eventFilter).map((event) => (
+                <NoteCard key={event.id} className="w-full" event={event} />
+              ))}
             </div>
           )}
           <div className="text-center text-sm text-muted-foreground">

src/components/NoteStats/NoteOptions/index.tsx

@@ -5,7 +5,9 @@ import {
   DropdownMenuTrigger
 } from '@/components/ui/dropdown-menu'
 import { getSharableEventId } from '@/lib/event'
-import { Code, Copy, Ellipsis } from 'lucide-react'
+import { useMuteList } from '@/providers/MuteListProvider'
+import { useNostr } from '@/providers/NostrProvider'
+import { BellOff, Code, Copy, Ellipsis } from 'lucide-react'
 import { Event } from 'nostr-tools'
 import { useState } from 'react'
 import { useTranslation } from 'react-i18next'
@@ -13,7 +15,9 @@ import RawEventDialog from './RawEventDialog'
 
 export default function NoteOptions({ event }: { event: Event }) {
   const { t } = useTranslation()
+  const { pubkey } = useNostr()
   const [isRawEventDialogOpen, setIsRawEventDialogOpen] = useState(false)
+  const { mutePubkey } = useMuteList()
 
   return (
     <div className="h-4" onClick={(e) => e.stopPropagation()}>
@@ -35,6 +39,15 @@ export default function NoteOptions({ event }: { event: Event }) {
             <Code />
             {t('raw event')}
           </DropdownMenuItem>
+          {pubkey && (
+            <DropdownMenuItem
+              onClick={() => mutePubkey(event.pubkey)}
+              className="text-destructive focus:text-destructive"
+            >
+              <BellOff />
+              {t('mute author')}
+            </DropdownMenuItem>
+          )}
         </DropdownMenuContent>
       </DropdownMenu>
       <RawEventDialog

src/components/ProfileOptions/index.tsx

@@ -0,0 +1,55 @@
+import { Button } from '@/components/ui/button'
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuTrigger
+} from '@/components/ui/dropdown-menu'
+import { pubkeyToNpub } from '@/lib/pubkey'
+import { useMuteList } from '@/providers/MuteListProvider'
+import { useNostr } from '@/providers/NostrProvider'
+import { Bell, BellOff, Copy, Ellipsis } from 'lucide-react'
+import { useTranslation } from 'react-i18next'
+
+export default function ProfileOptions({ pubkey }: { pubkey: string }) {
+  const { t } = useTranslation()
+  const { pubkey: accountPubkey } = useNostr()
+  const { mutePubkeys, mutePubkey, unmutePubkey } = useMuteList()
+
+  if (pubkey === accountPubkey) return null
+
+  return (
+    <DropdownMenu>
+      <DropdownMenuTrigger asChild>
+        <Button variant="secondary" size="icon" className="rounded-full">
+          <Ellipsis className="text-muted-foreground hover:text-foreground cursor-pointer" />
+        </Button>
+      </DropdownMenuTrigger>
+      <DropdownMenuContent collisionPadding={8}>
+        <DropdownMenuItem
+          onClick={() => navigator.clipboard.writeText('nostr:' + pubkeyToNpub(pubkey))}
+        >
+          <Copy />
+          {t('copy embedded code')}
+        </DropdownMenuItem>
+        {mutePubkeys.includes(pubkey) ? (
+          <DropdownMenuItem
+            onClick={() => unmutePubkey(pubkey)}
+            className="text-destructive focus:text-destructive"
+          >
+            <Bell />
+            {t('unmute user')}
+          </DropdownMenuItem>
+        ) : (
+          <DropdownMenuItem
+            onClick={() => mutePubkey(pubkey)}
+            className="text-destructive focus:text-destructive"
+          >
+            <BellOff />
+            {t('mute user')}
+          </DropdownMenuItem>
+        )}
+      </DropdownMenuContent>
+    </DropdownMenu>
+  )
+}

src/constants.ts

@@ -7,6 +7,7 @@ export const StorageKey = {
   CURRENT_ACCOUNT: 'currentAccount',
   ACCOUNT_RELAY_LIST_EVENT_MAP: 'accountRelayListEventMap',
   ACCOUNT_FOLLOW_LIST_EVENT_MAP: 'accountFollowListEventMap',
+  ACCOUNT_MUTE_LIST_EVENT_MAP: 'accountMuteListEventMap',
   ACCOUNT_PROFILE_EVENT_MAP: 'accountProfileEventMap',
   ADD_CLIENT_TAG: 'addClientTag'
 }

src/hooks/useFetchFollowings.tsx

@@ -1,4 +1,4 @@
-import { getFollowingsFromFollowListEvent } from '@/lib/event'
+import { extractPubkeysFromEventTags } from '@/lib/tag'
 import client from '@/services/client.service'
 import { Event } from 'nostr-tools'
 import { useEffect, useState } from 'react'
@@ -18,7 +18,7 @@ export function useFetchFollowings(pubkey?: string | null) {
         if (!event) return
 
         setFollowListEvent(event)
-        setFollowings(getFollowingsFromFollowListEvent(event))
+        setFollowings(extractPubkeysFromEventTags(event.tags))
       } finally {
         setIsFetching(false)
       }

src/hooks/useFetchProfile.tsx

@@ -1,17 +1,21 @@
+import { getProfileFromProfileEvent } from '@/lib/event'
 import { userIdToPubkey } from '@/lib/pubkey'
 import { useNostr } from '@/providers/NostrProvider'
 import client from '@/services/client.service'
+import storage from '@/services/storage.service'
 import { TProfile } from '@/types'
-import { useEffect, useMemo, useState } from 'react'
+import { useEffect, useState } from 'react'
 
 export function useFetchProfile(id?: string) {
   const { profile: currentAccountProfile } = useNostr()
   const [isFetching, setIsFetching] = useState(true)
   const [error, setError] = useState<Error | null>(null)
   const [profile, setProfile] = useState<TProfile | null>(null)
-  const pubkey = useMemo(() => (id ? userIdToPubkey(id) : undefined), [id])
+  const [pubkey, setPubkey] = useState<string | null>(null)
 
   useEffect(() => {
+    setProfile(null)
+    setPubkey(null)
     const fetchProfile = async () => {
       setIsFetching(true)
       try {
@@ -21,6 +25,16 @@ export function useFetchProfile(id?: string) {
           return
         }
 
+        const pubkey = userIdToPubkey(id)
+        setPubkey(pubkey)
+        const storedProfileEvent = storage.getAccountProfileEvent(pubkey)
+        if (storedProfileEvent) {
+          const profile = getProfileFromProfileEvent(storedProfileEvent)
+          setProfile(profile)
+          setIsFetching(false)
+          return
+        }
+
         const profile = await client.fetchProfile(id)
         if (profile) {
           setProfile(profile)

src/i18n/en.ts

@@ -49,6 +49,7 @@ export default {
     Note: 'Note',
     "username's following": "{{username}}'s following",
     "username's used relays": "{{username}}'s used relays",
+    "username's muted": "{{username}}'s muted",
     Login: 'Login',
     'Follows you': 'Follows you',
     'Relay Settings': 'Relay Settings',
@@ -146,6 +147,12 @@ export default {
     password: 'password',
     'Save to': 'Save to',
     'Enter a name for the new relay set': 'Enter a name for the new relay set',
-    'Save to a new relay set': 'Save to a new relay set'
+    'Save to a new relay set': 'Save to a new relay set',
+    Mute: 'Mute',
+    Muted: 'Muted',
+    Unmute: 'Unmute',
+    'mute author': 'mute author',
+    'mute user': 'mute user',
+    'unmute user': 'unmute user'
   }
 }

src/i18n/zh.ts

@@ -49,6 +49,7 @@ export default {
     Note: '笔记',
     "username's following": '{{username}} 的关注',
     "username's used relays": '{{username}} 使用的服务器',
+    "username's muted": '{{username}} 屏蔽的用户',
     Login: '登录',
     'Follows you': '关注了你',
     'Relay Settings': '服务器设置',
@@ -147,6 +148,12 @@ export default {
     password: '密码',
     'Save to': '保存到',
     'Enter a name for the new relay set': '输入新服务器组的名称',
-    'Save to a new relay set': '保存到新服务器组'
+    'Save to a new relay set': '保存到新服务器组',
+    Mute: '屏蔽',
+    Muted: '已屏蔽',
+    Unmute: '取消屏蔽',
+    'mute author': '屏蔽作者',
+    'mute user': '屏蔽用户',
+    'unmute user': '取消屏蔽用户'
   }
 }

src/lib/draft-event.ts

@@ -202,6 +202,15 @@ export function createFollowListDraftEvent(tags: string[][], content?: string):
   }
 }
 
+export function createMuteListDraftEvent(tags: string[][], content?: string): TDraftEvent {
+  return {
+    kind: kinds.Mutelist,
+    content: content ?? '',
+    created_at: dayjs().unix(),
+    tags
+  }
+}
+
 export function createProfileDraftEvent(content: string, tags: string[][] = []): TDraftEvent {
   return {
     kind: kinds.Metadata,

src/lib/event.ts

@@ -67,18 +67,6 @@ export function getUsingClient(event: Event) {
   return event.tags.find(tagNameEquals('client'))?.[1]
 }
 
-export function getFollowingsFromFollowListEvent(event: Event) {
-  return Array.from(
-    new Set(
-      event.tags
-        .filter(tagNameEquals('p'))
-        .map(([, pubkey]) => pubkey)
-        .filter(Boolean)
-        .reverse()
-    )
-  )
-}
-
 export function getRelayListFromRelayListEvent(event?: Event) {
   if (!event) {
     return { write: BIG_RELAY_URLS, read: BIG_RELAY_URLS, originalRelays: [] }
@@ -292,3 +280,7 @@ export function extractEmbeddedNotesFromContent(content: string) {
 
   return { embeddedNotes, contentWithoutEmbeddedNotes: c }
 }
+
+export function getLatestEvent(events: Event[]) {
+  return events.sort((a, b) => b.created_at - a.created_at)[0]
+}

src/lib/link.ts

@@ -38,6 +38,7 @@ export const toRelaySettings = (tag?: 'mailbox' | 'relay-sets') => {
 export const toSettings = () => '/settings'
 export const toProfileEditor = () => '/profile-editor'
 export const toRelay = (url: string) => `/relays/${encodeURIComponent(url)}`
+export const toMuteList = () => '/mutes'
 
 export const toNoStrudelProfile = (id: string) => `https://nostrudel.ninja/#/u/${id}`
 export const toNoStrudelNote = (id: string) => `https://nostrudel.ninja/#/n/${id}`

src/lib/tag.ts

@@ -42,3 +42,23 @@ export function extractImageInfoFromTag(tag: string[]): TImageInfo | null {
   }
   return image
 }
+
+export function extractPubkeysFromEventTags(tags: string[][]) {
+  return Array.from(
+    new Set(
+      tags
+        .filter(tagNameEquals('p'))
+        .map(([, pubkey]) => pubkey)
+        .filter(Boolean)
+        .reverse()
+    )
+  )
+}
+
+export function isSameTag(tag1: string[], tag2: string[]) {
+  if (tag1.length !== tag2.length) return false
+  for (let i = 0; i < tag1.length; i++) {
+    if (tag1[i] !== tag2[i]) return false
+  }
+  return true
+}

src/pages/secondary/MuteListPage/index.tsx

@@ -0,0 +1,87 @@
+import MuteButton from '@/components/MuteButton'
+import Nip05 from '@/components/Nip05'
+import UserAvatar from '@/components/UserAvatar'
+import Username from '@/components/Username'
+import { useFetchProfile } from '@/hooks'
+import SecondaryPageLayout from '@/layouts/SecondaryPageLayout'
+import { useMuteList } from '@/providers/MuteListProvider'
+import { useNostr } from '@/providers/NostrProvider'
+import { useEffect, useRef, useState } from 'react'
+import { useTranslation } from 'react-i18next'
+import NotFoundPage from '../NotFoundPage'
+
+export default function MuteListPage({ index }: { index?: number }) {
+  const { t } = useTranslation()
+  const { profile } = useNostr()
+  const { mutePubkeys } = useMuteList()
+  const [visibleMutePubkeys, setVisibleMutePubkeys] = useState<string[]>([])
+  const bottomRef = useRef<HTMLDivElement>(null)
+
+  useEffect(() => {
+    setVisibleMutePubkeys(mutePubkeys.slice(0, 10))
+  }, [mutePubkeys])
+
+  useEffect(() => {
+    const options = {
+      root: null,
+      rootMargin: '10px',
+      threshold: 1
+    }
+
+    const observerInstance = new IntersectionObserver((entries) => {
+      if (entries[0].isIntersecting && mutePubkeys.length > visibleMutePubkeys.length) {
+        setVisibleMutePubkeys((prev) => [
+          ...prev,
+          ...mutePubkeys.slice(prev.length, prev.length + 10)
+        ])
+      }
+    }, options)
+
+    const currentBottomRef = bottomRef.current
+    if (currentBottomRef) {
+      observerInstance.observe(currentBottomRef)
+    }
+
+    return () => {
+      if (observerInstance && currentBottomRef) {
+        observerInstance.unobserve(currentBottomRef)
+      }
+    }
+  }, [visibleMutePubkeys, mutePubkeys])
+
+  if (!profile) {
+    return <NotFoundPage />
+  }
+
+  return (
+    <SecondaryPageLayout
+      index={index}
+      title={t("username's muted", { username: profile.username })}
+      displayScrollToTopButton
+    >
+      <div className="space-y-2 px-4">
+        {visibleMutePubkeys.map((pubkey, index) => (
+          <UserItem key={`${index}-${pubkey}`} pubkey={pubkey} />
+        ))}
+        {mutePubkeys.length > visibleMutePubkeys.length && <div ref={bottomRef} />}
+      </div>
+    </SecondaryPageLayout>
+  )
+}
+
+function UserItem({ pubkey }: { pubkey: string }) {
+  const { profile } = useFetchProfile(pubkey)
+  const { nip05, about } = profile || {}
+
+  return (
+    <div className="flex gap-2 items-start">
+      <UserAvatar userId={pubkey} className="shrink-0" />
+      <div className="w-full overflow-hidden">
+        <Username userId={pubkey} className="font-semibold truncate" skeletonClassName="h-4" />
+        <Nip05 nip05={nip05} pubkey={pubkey} />
+        <div className="truncate text-muted-foreground text-sm">{about}</div>
+      </div>
+      <MuteButton pubkey={pubkey} />
+    </div>
+  )
+}

src/pages/secondary/ProfilePage/index.tsx

@@ -13,6 +13,7 @@ import { useFetchRelayList } from '@/hooks/useFetchRelayList'
 import SecondaryPageLayout from '@/layouts/SecondaryPageLayout'
 import {
   toFollowingList,
+  toMuteList,
   toOthersRelaySettings,
   toProfileEditor,
   toRelaySettings
@@ -21,10 +22,12 @@ import { generateImageByPubkey } from '@/lib/pubkey'
 import { SecondaryPageLink, useSecondaryPage } from '@/PageManager'
 import { useFeed } from '@/providers/FeedProvider'
 import { useFollowList } from '@/providers/FollowListProvider'
+import { useMuteList } from '@/providers/MuteListProvider'
 import { useNostr } from '@/providers/NostrProvider'
 import { useMemo } from 'react'
 import { useTranslation } from 'react-i18next'
 import NotFoundPage from '../NotFoundPage'
+import ProfileOptions from '@/components/ProfileOptions'
 
 export default function ProfilePage({ id, index }: { id?: string; index?: number }) {
   const { t } = useTranslation()
@@ -41,6 +44,7 @@ export default function ProfilePage({ id, index }: { id?: string; index?: number
   )
   const { pubkey: accountPubkey } = useNostr()
   const { followings: selfFollowings } = useFollowList()
+  const { mutePubkeys } = useMuteList()
   const { followings } = useFetchFollowings(profile?.pubkey)
   const isFollowingYou = useMemo(() => {
     return (
@@ -103,6 +107,7 @@ export default function ProfilePage({ id, index }: { id?: string; index?: number
           ) : (
             <FollowButton pubkey={pubkey} />
           )}
+          <ProfileOptions pubkey={pubkey} />
         </div>
         <div className="pt-2">
           <div className="text-xl font-semibold">{username}</div>
@@ -127,11 +132,22 @@ export default function ProfilePage({ id, index }: { id?: string; index?: number
               {relayList.originalRelays.length}
               <div className="text-muted-foreground">{t('Relays')}</div>
             </SecondaryPageLink>
+            {isSelf && (
+              <SecondaryPageLink to={toMuteList()} className="flex gap-1 hover:underline w-fit">
+                {mutePubkeys.length}
+                <div className="text-muted-foreground">{t('Muted')}</div>
+              </SecondaryPageLink>
+            )}
           </div>
         </div>
       </div>
       {!isFetchingRelayInfo && (
-        <NoteList filter={{ authors: [pubkey] }} relayUrls={relayUrls} className="mt-2" />
+        <NoteList
+          filter={{ authors: [pubkey] }}
+          relayUrls={relayUrls}
+          className="mt-2"
+          filterMutedNotes={false}
+        />
       )}
     </SecondaryPageLayout>
   )

src/providers/FollowListProvider.tsx

@@ -1,5 +1,5 @@
 import { createFollowListDraftEvent } from '@/lib/draft-event'
-import { getFollowingsFromFollowListEvent } from '@/lib/event'
+import { extractPubkeysFromEventTags } from '@/lib/tag'
 import client from '@/services/client.service'
 import storage from '@/services/storage.service'
 import { Event } from 'nostr-tools'
@@ -30,7 +30,7 @@ export function FollowListProvider({ children }: { children: React.ReactNode })
   const [followListEvent, setFollowListEvent] = useState<Event | undefined>(undefined)
   const [isFetching, setIsFetching] = useState(true)
   const followings = useMemo(
-    () => (followListEvent ? getFollowingsFromFollowListEvent(followListEvent) : []),
+    () => (followListEvent ? extractPubkeysFromEventTags(followListEvent.tags) : []),
     [followListEvent]
   )
 
@@ -87,7 +87,7 @@ export function FollowListProvider({ children }: { children: React.ReactNode })
   const getFollowings = async (pubkey: string) => {
     const followListEvent = storage.getAccountFollowListEvent(pubkey)
     if (followListEvent) {
-      return getFollowingsFromFollowListEvent(followListEvent)
+      return extractPubkeysFromEventTags(followListEvent.tags)
     }
     return await client.fetchFollowings(pubkey)
   }

src/providers/MuteListProvider.tsx

@@ -0,0 +1,111 @@
+import { createMuteListDraftEvent } from '@/lib/draft-event'
+import { getLatestEvent } from '@/lib/event'
+import { extractPubkeysFromEventTags, isSameTag } from '@/lib/tag'
+import client from '@/services/client.service'
+import storage from '@/services/storage.service'
+import { Event, kinds } from 'nostr-tools'
+import { createContext, useContext, useEffect, useMemo, useState } from 'react'
+import { z } from 'zod'
+import { useNostr } from './NostrProvider'
+
+type TMuteListContext = {
+  mutePubkeys: string[]
+  mutePubkey: (pubkey: string) => Promise<void>
+  unmutePubkey: (pubkey: string) => Promise<void>
+}
+
+const MuteListContext = createContext<TMuteListContext | undefined>(undefined)
+
+export const useMuteList = () => {
+  const context = useContext(MuteListContext)
+  if (!context) {
+    throw new Error('useMuteList must be used within a MuteListProvider')
+  }
+  return context
+}
+
+export function MuteListProvider({ children }: { children: React.ReactNode }) {
+  const { pubkey: accountPubkey, publish, relayList, nip04Decrypt, nip04Encrypt } = useNostr()
+  const [muteListEvent, setMuteListEvent] = useState<Event | undefined>(undefined)
+  const [tags, setTags] = useState<string[][]>([])
+  const mutePubkeys = useMemo(() => extractPubkeysFromEventTags(tags), [tags])
+
+  useEffect(() => {
+    if (!muteListEvent) {
+      setTags([])
+      return
+    }
+
+    const updateTags = async () => {
+      const tags = muteListEvent.tags
+      if (muteListEvent.content && accountPubkey) {
+        try {
+          const plainText = await nip04Decrypt(accountPubkey, muteListEvent.content)
+          const contentTags = z.array(z.array(z.string())).parse(JSON.parse(plainText))
+          tags.push(...contentTags.filter((tag) => tags.every((t) => !isSameTag(t, tag))))
+        } catch {
+          // ignore
+        }
+      }
+      setTags(tags)
+    }
+    updateTags()
+  }, [muteListEvent])
+
+  useEffect(() => {
+    if (!accountPubkey) return
+
+    const init = async () => {
+      setMuteListEvent(undefined)
+      const storedMuteListEvent = storage.getAccountMuteListEvent(accountPubkey)
+      if (storedMuteListEvent) {
+        setMuteListEvent(storedMuteListEvent)
+      }
+      const events = await client.fetchEvents(relayList?.write ?? client.getDefaultRelayUrls(), {
+        kinds: [kinds.Mutelist],
+        authors: [accountPubkey]
+      })
+      const muteEvent = getLatestEvent(events) as Event | undefined
+      if (muteEvent) {
+        setMuteListEvent(muteEvent)
+      }
+    }
+
+    init()
+  }, [accountPubkey])
+
+  const updateMuteListEvent = (event: Event) => {
+    const isNew = storage.setAccountMuteListEvent(event)
+    if (!isNew) return
+    setMuteListEvent(event)
+  }
+
+  const mutePubkey = async (pubkey: string) => {
+    if (!accountPubkey) return
+
+    const newTags = tags.concat([['p', pubkey]])
+    const cipherText = await nip04Encrypt(accountPubkey, JSON.stringify(newTags))
+    const newMuteListDraftEvent = createMuteListDraftEvent(muteListEvent?.tags ?? [], cipherText)
+    const newMuteListEvent = await publish(newMuteListDraftEvent)
+    updateMuteListEvent(newMuteListEvent)
+  }
+
+  const unmutePubkey = async (pubkey: string) => {
+    if (!accountPubkey || !muteListEvent) return
+
+    const newTags = tags.filter((tag) => tag[0] !== 'p' || tag[1] !== pubkey)
+    const cipherText = await nip04Encrypt(accountPubkey, JSON.stringify(newTags))
+    const newMuteListDraftEvent = createMuteListDraftEvent(
+      muteListEvent.tags.filter((tag) => tag[0] !== 'p' || tag[1] !== pubkey),
+      cipherText
+    )
+    const newMuteListEvent = await publish(newMuteListDraftEvent)
+    updateMuteListEvent(newMuteListEvent)
+  }
+
+  return (
+    <MuteListContext.Provider value={{ mutePubkeys, mutePubkey, unmutePubkey }}>
+      {children}
+    </MuteListContext.Provider>
+  )
+}

src/providers/NostrProvider/bunker.signer.ts

@@ -48,6 +48,20 @@ export class BunkerSigner implements ISigner {
     })
   }
 
+  async nip04Encrypt(pubkey: string, plainText: string) {
+    if (!this.signer) {
+      throw new Error('Not logged in')
+    }
+    return await this.signer.nip04Encrypt(pubkey, plainText)
+  }
+
+  async nip04Decrypt(pubkey: string, cipherText: string) {
+    if (!this.signer) {
+      throw new Error('Not logged in')
+    }
+    return await this.signer.nip04Decrypt(pubkey, cipherText)
+  }
+
   getClientSecretKey() {
     return bytesToHex(this.clientSecretKey)
   }

src/providers/NostrProvider/index.tsx

@@ -37,6 +37,8 @@ type TNostrContext = {
   publish: (draftEvent: TDraftEvent, additionalRelayUrls?: string[]) => Promise<Event>
   signHttpAuth: (url: string, method: string) => Promise<string>
   signEvent: (draftEvent: TDraftEvent) => Promise<Event>
+  nip04Encrypt: (pubkey: string, plainText: string) => Promise<string>
+  nip04Decrypt: (pubkey: string, cipherText: string) => Promise<string>
   checkLogin: <T>(cb?: () => T) => Promise<T | void>
   getRelayList: (pubkey: string) => Promise<TRelayList>
   updateRelayListEvent: (relayListEvent: Event) => void
@@ -299,6 +301,14 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
     return 'Nostr ' + btoa(JSON.stringify(event))
   }
 
+  const nip04Encrypt = async (pubkey: string, plainText: string) => {
+    return signer?.nip04Encrypt(pubkey, plainText) ?? ''
+  }
+
+  const nip04Decrypt = async (pubkey: string, cipherText: string) => {
+    return signer?.nip04Decrypt(pubkey, cipherText) ?? ''
+  }
+
   const checkLogin = async <T,>(cb?: () => T): Promise<T | void> => {
     if (signer) {
       return cb && cb()
@@ -349,6 +359,8 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
         removeAccount,
         publish,
         signHttpAuth,
+        nip04Encrypt,
+        nip04Decrypt,
         checkLogin,
         signEvent,
         getRelayList,

src/providers/NostrProvider/nip-07.signer.ts

@@ -23,4 +23,24 @@ export class Nip07Signer implements ISigner {
   async signEvent(draftEvent: TDraftEvent) {
     return await this.signer.signEvent(draftEvent)
   }
+
+  async nip04Encrypt(pubkey: string, plainText: string) {
+    if (!this.signer) {
+      throw new Error('Not logged in')
+    }
+    if (!this.signer.nip04?.encrypt) {
+      throw new Error('The extension you are using does not support nip04 encryption')
+    }
+    return await this.signer.nip04.encrypt(pubkey, plainText)
+  }
+
+  async nip04Decrypt(pubkey: string, cipherText: string) {
+    if (!this.signer) {
+      throw new Error('Not logged in')
+    }
+    if (!this.signer.nip04?.decrypt) {
+      throw new Error('The extension you are using does not support nip04 decryption')
+    }
+    return await this.signer.nip04.decrypt(pubkey, cipherText)
+  }
 }

src/providers/NostrProvider/nsec.signer.ts

@@ -1,5 +1,5 @@
 import { ISigner, TDraftEvent } from '@/types'
-import { finalizeEvent, getPublicKey as nGetPublicKey, nip19 } from 'nostr-tools'
+import { finalizeEvent, getPublicKey as nGetPublicKey, nip04, nip19 } from 'nostr-tools'
 
 export class NsecSigner implements ISigner {
   private privkey: Uint8Array | null = null
@@ -38,4 +38,18 @@ export class NsecSigner implements ISigner {
       return null
     }
   }
+
+  async nip04Encrypt(pubkey: string, plainText: string) {
+    if (!this.privkey) {
+      throw new Error('Not logged in')
+    }
+    return nip04.encrypt(this.privkey, pubkey, plainText)
+  }
+
+  async nip04Decrypt(pubkey: string, cipherText: string) {
+    if (!this.privkey) {
+      throw new Error('Not logged in')
+    }
+    return nip04.decrypt(this.privkey, pubkey, cipherText)
+  }
 }

src/routes.tsx

@@ -2,6 +2,7 @@ import { match } from 'path-to-regexp'
 import { isValidElement } from 'react'
 import FollowingListPage from './pages/secondary/FollowingListPage'
 import HomePage from './pages/secondary/HomePage'
+import MuteListPage from './pages/secondary/MuteListPage'
 import NoteListPage from './pages/secondary/NoteListPage'
 import NotePage from './pages/secondary/NotePage'
 import OthersRelaySettingsPage from './pages/secondary/OthersRelaySettingsPage'
@@ -23,7 +24,8 @@ const ROUTES = [
   { path: '/relay-settings', element: <RelaySettingsPage /> },
   { path: '/settings', element: <SettingsPage /> },
   { path: '/profile-editor', element: <ProfileEditorPage /> },
-  { path: '/relays/:url', element: <RelayPage /> }
+  { path: '/relays/:url', element: <RelayPage /> },
+  { path: '/mutes', element: <MuteListPage /> }
 ]
 
 export const routes = ROUTES.map(({ path, element }) => ({

src/services/client.service.ts

@@ -1,10 +1,7 @@
 import { BIG_RELAY_URLS } from '@/constants'
-import {
-  getFollowingsFromFollowListEvent,
-  getProfileFromProfileEvent,
-  getRelayListFromRelayListEvent
-} from '@/lib/event'
+import { getProfileFromProfileEvent, getRelayListFromRelayListEvent } from '@/lib/event'
 import { formatPubkey, userIdToPubkey } from '@/lib/pubkey'
+import { extractPubkeysFromEventTags } from '@/lib/tag'
 import { TDraftEvent, TProfile, TRelayInfo, TRelayList } from '@/types'
 import { sha256 } from '@noble/hashes/sha2'
 import DataLoader from 'dataloader'
@@ -437,7 +434,7 @@ class ClientService extends EventTarget {
 
   async fetchFollowings(pubkey: string) {
     const followListEvent = await this.fetchFollowListEvent(pubkey)
-    return followListEvent ? getFollowingsFromFollowListEvent(followListEvent) : []
+    return followListEvent ? extractPubkeysFromEventTags(followListEvent.tags) : []
   }
 
   updateFollowListCache(pubkey: string, event: NEvent) {

src/services/storage.service.ts

@@ -28,6 +28,7 @@ class StorageService {
   private currentAccount: TAccount | null = null
   private accountRelayListEventMap: Record<string, Event | undefined> = {} // pubkey -> relayListEvent
   private accountFollowListEventMap: Record<string, Event | undefined> = {} // pubkey -> followListEvent
+  private accountMuteListEventMap: Record<string, Event | undefined> = {} // pubkey -> muteListEvent
   private accountProfileEventMap: Record<string, Event | undefined> = {} // pubkey -> profileEvent
 
   constructor() {
@@ -60,6 +61,12 @@ class StorageService {
     this.accountFollowListEventMap = accountFollowListEventMapStr
       ? JSON.parse(accountFollowListEventMapStr)
       : {}
+    const accountMuteListEventMapStr = window.localStorage.getItem(
+      StorageKey.ACCOUNT_MUTE_LIST_EVENT_MAP
+    )
+    this.accountMuteListEventMap = accountMuteListEventMapStr
+      ? JSON.parse(accountMuteListEventMapStr)
+      : {}
     const accountProfileEventMapStr = window.localStorage.getItem(
       StorageKey.ACCOUNT_PROFILE_EVENT_MAP
     )
@@ -176,12 +183,17 @@ class StorageService {
     this.accounts = this.accounts.filter((act) => !isSameAccount(act, account))
     delete this.accountFollowListEventMap[account.pubkey]
     delete this.accountRelayListEventMap[account.pubkey]
+    delete this.accountMuteListEventMap[account.pubkey]
     delete this.accountProfileEventMap[account.pubkey]
     window.localStorage.setItem(StorageKey.ACCOUNTS, JSON.stringify(this.accounts))
     window.localStorage.setItem(
       StorageKey.ACCOUNT_FOLLOW_LIST_EVENT_MAP,
       JSON.stringify(this.accountFollowListEventMap)
     )
+    window.localStorage.setItem(
+      StorageKey.ACCOUNT_MUTE_LIST_EVENT_MAP,
+      JSON.stringify(this.accountMuteListEventMap)
+    )
     window.localStorage.setItem(
       StorageKey.ACCOUNT_RELAY_LIST_EVENT_MAP,
       JSON.stringify(this.accountRelayListEventMap)
@@ -244,6 +256,26 @@ class StorageService {
     return true
   }
 
+  getAccountMuteListEvent(pubkey: string) {
+    return this.accountMuteListEventMap[pubkey]
+  }
+
+  setAccountMuteListEvent(muteListEvent: Event) {
+    const pubkey = muteListEvent.pubkey
+    if (
+      this.accountMuteListEventMap[pubkey] &&
+      this.accountMuteListEventMap[pubkey].created_at > muteListEvent.created_at
+    ) {
+      return false
+    }
+    this.accountMuteListEventMap[pubkey] = muteListEvent
+    window.localStorage.setItem(
+      StorageKey.ACCOUNT_MUTE_LIST_EVENT_MAP,
+      JSON.stringify(this.accountMuteListEventMap)
+    )
+    return true
+  }
+
   getAccountProfileEvent(pubkey: string) {
     return this.accountProfileEventMap[pubkey]
   }

src/types.ts

@@ -62,11 +62,17 @@ export type TDraftEvent = Pick<Event, 'content' | 'created_at' | 'kind' | 'tags'
 export type TNip07 = {
   getPublicKey: () => Promise<string | null>
   signEvent: (draftEvent: TDraftEvent) => Promise<Event | null>
+  nip04?: {
+    encrypt?: (pubkey: string, plainText: string) => Promise<string>
+    decrypt?: (pubkey: string, cipherText: string) => Promise<string>
+  }
 }
 
 export interface ISigner {
   getPublicKey: () => Promise<string | null>
   signEvent: (draftEvent: TDraftEvent) => Promise<Event | null>
+  nip04Encrypt: (pubkey: string, plainText: string) => Promise<string>
+  nip04Decrypt: (pubkey: string, cipherText: string) => Promise<string>
 }
 
 export type TSignerType = 'nsec' | 'nip-07' | 'bunker' | 'browser-nsec' | 'ncryptsec'