perf: improve loading speed (#116)

src/components/MailboxSetting/SaveButton.tsx

@@ -25,7 +25,7 @@ export default function SaveButton({
     setPushing(true)
     const event = createRelayListDraftEvent(mailboxRelays)
     const relayListEvent = await publish(event)
-    updateRelayListEvent(relayListEvent)
+    await updateRelayListEvent(relayListEvent)
     toast({
       title: 'Save Successful',
       description: 'Successfully saved mailbox relays'

src/components/NoteList/index.tsx

@@ -10,7 +10,7 @@ import { useNostr } from '@/providers/NostrProvider'
 import { useScreenSize } from '@/providers/ScreenSizeProvider'
 import client from '@/services/client.service'
 import relayInfoService from '@/services/relay-info.service'
-import storage from '@/services/storage.service'
+import storage from '@/services/local-storage.service'
 import { TNoteListMode } from '@/types'
 import dayjs from 'dayjs'
 import { Event, Filter, kinds } from 'nostr-tools'

src/constants.ts

@@ -7,11 +7,11 @@ export const StorageKey = {
   CURRENT_ACCOUNT: 'currentAccount',
   ADD_CLIENT_TAG: 'addClientTag',
   NOTE_LIST_MODE: 'noteListMode',
-  ACCOUNT_RELAY_LIST_EVENT_MAP: 'accountRelayListEventMap',
+  ACCOUNT_RELAY_LIST_EVENT_MAP: 'accountRelayListEventMap', // deprecated
-  ACCOUNT_FOLLOW_LIST_EVENT_MAP: 'accountFollowListEventMap',
+  ACCOUNT_FOLLOW_LIST_EVENT_MAP: 'accountFollowListEventMap', // deprecated
-  ACCOUNT_MUTE_LIST_EVENT_MAP: 'accountMuteListEventMap',
+  ACCOUNT_MUTE_LIST_EVENT_MAP: 'accountMuteListEventMap', // deprecated
-  ACCOUNT_MUTE_DECRYPTED_TAGS_MAP: 'accountMuteDecryptedTagsMap',
+  ACCOUNT_MUTE_DECRYPTED_TAGS_MAP: 'accountMuteDecryptedTagsMap', // deprecated
-  ACCOUNT_PROFILE_EVENT_MAP: 'accountProfileEventMap'
+  ACCOUNT_PROFILE_EVENT_MAP: 'accountProfileEventMap' // deprecated
 }
 
 export const BIG_RELAY_URLS = [

src/hooks/useFetchProfile.tsx

@@ -2,8 +2,9 @@ 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 indexedDb from '@/services/indexed-db.service'
 import { TProfile } from '@/types'
+import { kinds } from 'nostr-tools'
 import { useEffect, useState } from 'react'
 
 export function useFetchProfile(id?: string) {
@@ -27,7 +28,7 @@ export function useFetchProfile(id?: string) {
 
         const pubkey = userIdToPubkey(id)
         setPubkey(pubkey)
-        const storedProfileEvent = storage.getAccountProfileEvent(pubkey)
+        const storedProfileEvent = await indexedDb.getReplaceableEvent(pubkey, kinds.Metadata)
         if (storedProfileEvent) {
           const profile = getProfileFromProfileEvent(storedProfileEvent)
           setProfile(profile)

src/pages/secondary/ProfileEditorPage/index.tsx

@@ -74,7 +74,7 @@ const ProfileEditorPage = forwardRef(({ index }: { index?: number }, ref) => {
       profileEvent?.tags
     )
     const newProfileEvent = await publish(profileDraftEvent)
-    updateProfileEvent(newProfileEvent)
+    await updateProfileEvent(newProfileEvent)
     setSaving(false)
     pop()
   }

src/providers/FeedProvider.tsx

@@ -2,7 +2,7 @@ import { BIG_RELAY_URLS } from '@/constants'
 import { checkAlgoRelay } from '@/lib/relay'
 import { isWebsocketUrl, normalizeUrl } from '@/lib/url'
 import client from '@/services/client.service'
-import storage from '@/services/storage.service'
+import storage from '@/services/local-storage.service'
 import relayInfoService from '@/services/relay-info.service'
 import { TFeedType } from '@/types'
 import { Filter } from 'nostr-tools'

src/providers/FollowListProvider.tsx

@@ -1,8 +1,8 @@
 import { createFollowListDraftEvent } from '@/lib/draft-event'
 import { extractPubkeysFromEventTags } from '@/lib/tag'
 import client from '@/services/client.service'
-import storage from '@/services/storage.service'
+import indexedDb from '@/services/indexed-db.service'
-import { Event } from 'nostr-tools'
+import { Event, kinds } from 'nostr-tools'
 import { createContext, useContext, useEffect, useMemo, useState } from 'react'
 import { useNostr } from './NostrProvider'
 
@@ -40,13 +40,16 @@ export function FollowListProvider({ children }: { children: React.ReactNode })
     const init = async () => {
       setIsFetching(true)
       setFollowListEvent(undefined)
-      const storedFollowListEvent = storage.getAccountFollowListEvent(accountPubkey)
+      const storedFollowListEvent = await indexedDb.getReplaceableEvent(
+        accountPubkey,
+        kinds.Contacts
+      )
       if (storedFollowListEvent) {
         setFollowListEvent(storedFollowListEvent)
       }
-      const event = await client.fetchFollowListEvent(accountPubkey)
+      const event = await client.fetchFollowListEvent(accountPubkey, true)
       if (event) {
-        updateFollowListEvent(event)
+        await updateFollowListEvent(event)
       }
       setIsFetching(false)
     }
@@ -54,8 +57,8 @@ export function FollowListProvider({ children }: { children: React.ReactNode })
     init()
   }, [accountPubkey])
 
-  const updateFollowListEvent = (event: Event) => {
+  const updateFollowListEvent = async (event: Event) => {
-    const isNew = storage.setAccountFollowListEvent(event)
+    const isNew = await indexedDb.putReplaceableEvent(event)
     if (!isNew) return
     setFollowListEvent(event)
   }
@@ -69,7 +72,7 @@ export function FollowListProvider({ children }: { children: React.ReactNode })
     )
     const newFollowListEvent = await publish(newFollowListDraftEvent)
     client.updateFollowListCache(accountPubkey, newFollowListEvent)
-    updateFollowListEvent(newFollowListEvent)
+    await updateFollowListEvent(newFollowListEvent)
   }
 
   const unfollow = async (pubkey: string) => {
@@ -81,11 +84,11 @@ export function FollowListProvider({ children }: { children: React.ReactNode })
     )
     const newFollowListEvent = await publish(newFollowListDraftEvent)
     client.updateFollowListCache(accountPubkey, newFollowListEvent)
-    updateFollowListEvent(newFollowListEvent)
+    await updateFollowListEvent(newFollowListEvent)
   }
 
   const getFollowings = async (pubkey: string) => {
-    const followListEvent = storage.getAccountFollowListEvent(pubkey)
+    const followListEvent = await indexedDb.getReplaceableEvent(pubkey, kinds.Contacts)
     if (followListEvent) {
       return extractPubkeysFromEventTags(followListEvent.tags)
     }

src/providers/MuteListProvider.tsx

@@ -2,7 +2,7 @@ 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 indexedDb from '@/services/indexed-db.service'
 import { Event, kinds } from 'nostr-tools'
 import { createContext, useContext, useEffect, useMemo, useState } from 'react'
 import { z } from 'zod'
@@ -35,7 +35,7 @@ export function MuteListProvider({ children }: { children: React.ReactNode }) {
 
     const init = async () => {
       setMuteListEvent(undefined)
-      const storedMuteListEvent = storage.getAccountMuteListEvent(accountPubkey)
+      const storedMuteListEvent = await indexedDb.getReplaceableEvent(accountPubkey, kinds.Mutelist)
       if (storedMuteListEvent) {
         setMuteListEvent(storedMuteListEvent)
         const tags = await extractMuteTags(storedMuteListEvent)
@@ -47,6 +47,7 @@ export function MuteListProvider({ children }: { children: React.ReactNode }) {
       })
       const muteEvent = getLatestEvent(events) as Event | undefined
       if (muteEvent) {
+        await indexedDb.putReplaceableEvent(muteEvent)
         setMuteListEvent(muteEvent)
         const tags = await extractMuteTags(muteEvent)
         setTags(tags)
@@ -59,7 +60,7 @@ export function MuteListProvider({ children }: { children: React.ReactNode }) {
   const extractMuteTags = async (muteListEvent: Event) => {
     const tags = [...muteListEvent.tags]
     if (muteListEvent.content) {
-      const storedDecryptedTags = storage.getAccountMuteDecryptedTags(muteListEvent)
+      const storedDecryptedTags = await indexedDb.getMuteDecryptedTags(muteListEvent.id)
 
       if (storedDecryptedTags) {
         tags.push(...storedDecryptedTags)
@@ -67,7 +68,7 @@ export function MuteListProvider({ children }: { children: React.ReactNode }) {
         try {
           const plainText = await nip04Decrypt(muteListEvent.pubkey, muteListEvent.content)
           const contentTags = z.array(z.array(z.string())).parse(JSON.parse(plainText))
-          storage.setAccountMuteDecryptedTags(muteListEvent, contentTags)
+          await indexedDb.putMuteDecryptedTags(muteListEvent.id, contentTags)
           tags.push(...contentTags.filter((tag) => tags.every((t) => !isSameTag(t, tag))))
         } catch (error) {
           console.error('Failed to decrypt mute list content', error)
@@ -77,10 +78,10 @@ export function MuteListProvider({ children }: { children: React.ReactNode }) {
     return tags
   }
 
-  const update = (event: Event, tags: string[][]) => {
+  const update = async (event: Event, tags: string[][]) => {
-    const isNew = storage.setAccountMuteListEvent(event)
+    const isNew = await indexedDb.putReplaceableEvent(event)
     if (!isNew) return
-    storage.setAccountMuteDecryptedTags(event, tags)
+    await indexedDb.putMuteDecryptedTags(event.id, tags)
     setMuteListEvent(event)
     setTags(tags)
   }
@@ -92,7 +93,7 @@ export function MuteListProvider({ children }: { children: React.ReactNode }) {
     const cipherText = await nip04Encrypt(accountPubkey, JSON.stringify(newTags))
     const newMuteListDraftEvent = createMuteListDraftEvent(muteListEvent?.tags ?? [], cipherText)
     const newMuteListEvent = await publish(newMuteListDraftEvent)
-    update(newMuteListEvent, newTags)
+    await update(newMuteListEvent, newTags)
   }
 
   const unmutePubkey = async (pubkey: string) => {
@@ -105,7 +106,7 @@ export function MuteListProvider({ children }: { children: React.ReactNode }) {
       cipherText
     )
     const newMuteListEvent = await publish(newMuteListDraftEvent)
-    update(newMuteListEvent, newTags)
+    await update(newMuteListEvent, newTags)
   }
 
   return (

src/providers/NostrProvider/index.tsx

@@ -4,7 +4,8 @@ import { useToast } from '@/hooks'
 import { getProfileFromProfileEvent, getRelayListFromRelayListEvent } from '@/lib/event'
 import { formatPubkey } from '@/lib/pubkey'
 import client from '@/services/client.service'
-import storage from '@/services/storage.service'
+import storage from '@/services/local-storage.service'
+import indexedDb from '@/services/indexed-db.service'
 import { ISigner, TAccount, TAccountPointer, TDraftEvent, TProfile, TRelayList } from '@/types'
 import dayjs from 'dayjs'
 import { Event, kinds, VerifiedEvent } from 'nostr-tools'
@@ -45,8 +46,8 @@ type TNostrContext = {
   startLogin: () => void
   checkLogin: <T>(cb?: () => T) => Promise<T | void>
   getRelayList: (pubkey: string) => Promise<TRelayList>
-  updateRelayListEvent: (relayListEvent: Event) => void
+  updateRelayListEvent: (relayListEvent: Event) => Promise<void>
-  updateProfileEvent: (profileEvent: Event) => void
+  updateProfileEvent: (profileEvent: Event) => Promise<void>
 }
 
 const NostrContext = createContext<TNostrContext | undefined>(undefined)
@@ -99,6 +100,7 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
   }, [])
 
   useEffect(() => {
+    const init = async () => {
       setRelayList(null)
       setProfile(null)
       setProfileEvent(null)
@@ -107,6 +109,7 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
         return
       }
 
+      const controller = new AbortController()
       const storedNsec = storage.getAccountNsec(account.pubkey)
       if (storedNsec) {
         setNsec(storedNsec)
@@ -119,17 +122,20 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
       } else {
         setNcryptsec(null)
       }
-    const storedRelayListEvent = storage.getAccountRelayListEvent(account.pubkey)
+      const [storedRelayListEvent, storedProfileEvent] = await Promise.all([
+        indexedDb.getReplaceableEvent(account.pubkey, kinds.RelayList),
+        indexedDb.getReplaceableEvent(account.pubkey, kinds.Metadata)
+      ])
       if (storedRelayListEvent) {
         setRelayList(
           storedRelayListEvent ? getRelayListFromRelayListEvent(storedRelayListEvent) : null
         )
       }
-    const storedProfileEvent = storage.getAccountProfileEvent(account.pubkey)
       if (storedProfileEvent) {
         setProfileEvent(storedProfileEvent)
         setProfile(getProfileFromProfileEvent(storedProfileEvent))
       }
+
       client.fetchRelayListEvent(account.pubkey).then(async (relayListEvent) => {
         if (!relayListEvent) {
           if (storedRelayListEvent) return
@@ -137,9 +143,10 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
           setRelayList({ write: BIG_RELAY_URLS, read: BIG_RELAY_URLS, originalRelays: [] })
           return
         }
-      const isNew = storage.setAccountRelayListEvent(relayListEvent)
+        const event = await indexedDb.getReplaceableEvent(account.pubkey, kinds.RelayList)
-      if (!isNew) return
+        if (event) {
-      setRelayList(getRelayListFromRelayListEvent(relayListEvent))
+          setRelayList(getRelayListFromRelayListEvent(event))
+        }
       })
       client.fetchProfileEvent(account.pubkey).then(async (profileEvent) => {
         if (!profileEvent) {
@@ -151,12 +158,21 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
           })
           return
         }
-      const isNew = storage.setAccountProfileEvent(profileEvent)
+        const event = await indexedDb.getReplaceableEvent(account.pubkey, kinds.Metadata)
-      if (!isNew) return
+        if (event) {
-      setProfileEvent(profileEvent)
+          setProfileEvent(event)
-      setProfile(getProfileFromProfileEvent(profileEvent))
+          setProfile(getProfileFromProfileEvent(event))
+        }
+      })
+      client.initUserIndexFromFollowings(account.pubkey, controller.signal)
+      return controller
+    }
+    const promise = init()
+    return () => {
+      promise.then((controller) => {
+        controller?.abort()
       })
-    client.initUserIndexFromFollowings(account.pubkey)
+    }
   }, [account])
 
   useEffect(() => {
@@ -379,21 +395,21 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
   }
 
   const getRelayList = async (pubkey: string) => {
-    const storedRelayListEvent = storage.getAccountRelayListEvent(pubkey)
+    const storedRelayListEvent = await indexedDb.getReplaceableEvent(pubkey, kinds.RelayList)
     if (storedRelayListEvent) {
       return getRelayListFromRelayListEvent(storedRelayListEvent)
     }
     return await client.fetchRelayList(pubkey)
   }
 
-  const updateRelayListEvent = (relayListEvent: Event) => {
+  const updateRelayListEvent = async (relayListEvent: Event) => {
-    const isNew = storage.setAccountRelayListEvent(relayListEvent)
+    const isNew = await indexedDb.putReplaceableEvent(relayListEvent)
     if (!isNew) return
     setRelayList(getRelayListFromRelayListEvent(relayListEvent))
   }
 
-  const updateProfileEvent = (profileEvent: Event) => {
+  const updateProfileEvent = async (profileEvent: Event) => {
-    const isNew = storage.setAccountProfileEvent(profileEvent)
+    const isNew = await indexedDb.putReplaceableEvent(profileEvent)
     if (!isNew) return
     setProfileEvent(profileEvent)
     setProfile(getProfileFromProfileEvent(profileEvent))

src/providers/RelaySetsProvider.tsx

@@ -1,6 +1,6 @@
 import { randomString } from '@/lib/random'
 import { isWebsocketUrl, normalizeUrl } from '@/lib/url'
-import storage from '@/services/storage.service'
+import storage from '@/services/local-storage.service'
 import { TRelaySet } from '@/types'
 import { createContext, useContext, useEffect, useState } from 'react'
 

src/providers/ThemeProvider.tsx

@@ -1,4 +1,4 @@
-import storage from '@/services/storage.service'
+import storage from '@/services/local-storage.service'
 import { TTheme, TThemeSetting } from '@/types'
 import { createContext, useContext, useEffect, useState } from 'react'
 

src/services/client.service.ts

@@ -18,6 +18,7 @@ import {
   VerifiedEvent
 } from 'nostr-tools'
 import { AbstractRelay } from 'nostr-tools/abstract-relay'
+import indexedDb from './indexed-db.service'
 
 type TTimelineRef = [string, number]
 
@@ -46,24 +47,29 @@ class ClientService extends EventTarget {
     this.eventBatchLoadFn.bind(this),
     { cache: false }
   )
-  private profileEventCache = new LRUCache<string, Promise<NEvent | undefined>>({ max: 10000 })
   private profileEventDataloader = new DataLoader<string, NEvent | undefined>(
     (ids) => Promise.all(ids.map((id) => this._fetchProfileEvent(id))),
-    { cacheMap: this.profileEventCache, maxBatchSize: 50 }
+    {
+      cache: false,
+      maxBatchSize: 50
+    }
   )
   private fetchProfileEventFromDefaultRelaysDataloader = new DataLoader<string, NEvent | undefined>(
     this.profileEventBatchLoadFn.bind(this),
-    { cache: false, maxBatchSize: 50 }
+    {
+      cacheMap: new LRUCache<string, Promise<NEvent | undefined>>({ max: 1000 }),
+      maxBatchSize: 50
+    }
   )
   private relayListEventDataLoader = new DataLoader<string, NEvent | undefined>(
     this.relayListEventBatchLoadFn.bind(this),
     {
-      cacheMap: new LRUCache<string, Promise<NEvent | undefined>>({ max: 10000 }),
+      cacheMap: new LRUCache<string, Promise<NEvent | undefined>>({ max: 1000 }),
       maxBatchSize: 50
     }
   )
   private followListCache = new LRUCache<string, Promise<NEvent | undefined>>({
-    max: 10000,
+    max: 2000,
     fetchMethod: this._fetchFollowListEvent.bind(this)
   })
 
@@ -448,12 +454,6 @@ class ClientService extends EventTarget {
   }
 
   async fetchProfileEvent(id: string): Promise<NEvent | undefined> {
-    const pubkey = userIdToPubkey(id)
-    const cache = await this.profileEventCache.get(pubkey)
-    if (cache) {
-      return cache
-    }
-
     return await this.profileEventDataloader.load(id)
   }
 
@@ -504,8 +504,12 @@ class ClientService extends EventTarget {
     return getRelayListFromRelayListEvent(event)
   }
 
-  async fetchFollowListEvent(pubkey: string) {
+  async fetchFollowListEvent(pubkey: string, storeToIndexedDb = false) {
-    return this.followListCache.fetch(pubkey)
+    const event = await this.followListCache.fetch(pubkey)
+    if (storeToIndexedDb && event) {
+      await indexedDb.putReplaceableEvent(event)
+    }
+    return event
   }
 
   async fetchFollowings(pubkey: string) {
@@ -576,9 +580,11 @@ class ClientService extends EventTarget {
     )
   }
 
-  async initUserIndexFromFollowings(pubkey: string) {
+  async initUserIndexFromFollowings(pubkey: string, signal: AbortSignal) {
     const followings = await this.fetchFollowings(pubkey)
     for (let i = 0; i * 50 < followings.length; i++) {
+      if (signal.aborted) return
+
       await this.profileEventDataloader.loadMany(followings.slice(i * 50, (i + 1) * 50))
       await new Promise((resolve) => setTimeout(resolve, 30000))
     }
@@ -686,10 +692,16 @@ class ClientService extends EventTarget {
     if (!pubkey) {
       throw new Error('Invalid id')
     }
+    const localProfile = await indexedDb.getReplaceableEvent(pubkey, kinds.Metadata)
+    if (localProfile) {
+      this.addUsernameToIndex(localProfile)
+      return localProfile
+    }
     const profileFromDefaultRelays =
       await this.fetchProfileEventFromDefaultRelaysDataloader.load(pubkey)
     if (profileFromDefaultRelays) {
       this.addUsernameToIndex(profileFromDefaultRelays)
+      await indexedDb.putReplaceableEvent(profileFromDefaultRelays)
       return profileFromDefaultRelays
     }
 
@@ -707,7 +719,10 @@ class ClientService extends EventTarget {
     }
 
     if (profileEvent) {
-      await this.addUsernameToIndex(profileEvent)
+      await Promise.allSettled([
+        this.addUsernameToIndex(profileEvent),
+        indexedDb.putReplaceableEvent(profileEvent)
+      ])
     }
 
     return profileEvent
@@ -778,13 +793,24 @@ class ClientService extends EventTarget {
         eventsMap.set(pubkey, event)
       }
     }
-
+    const profileEvents = pubkeys.map((pubkey) => {
-    return pubkeys.map((pubkey) => {
       return eventsMap.get(pubkey)
     })
+
+    await Promise.allSettled(
+      profileEvents.map(
+        (profileEvent) => profileEvent && indexedDb.putReplaceableEvent(profileEvent)
+      )
+    )
+    return profileEvents
   }
 
   private async relayListEventBatchLoadFn(pubkeys: readonly string[]) {
+    const relayEvents = await Promise.all(
+      pubkeys.map((pubkey) => indexedDb.getReplaceableEvent(pubkey, kinds.RelayList))
+    )
+    const nonExistingPubkeys = pubkeys.filter((_, i) => !relayEvents[i])
+    if (nonExistingPubkeys.length) {
       const events = await this.query(this.defaultRelayUrls, {
         authors: pubkeys as string[],
         kinds: [kinds.RelayList],
@@ -798,8 +824,19 @@ class ClientService extends EventTarget {
           eventsMap.set(pubkey, event)
         }
       }
+      await Promise.allSettled(
+        Array.from(eventsMap.values()).map((evt) => indexedDb.putReplaceableEvent(evt))
+      )
+      nonExistingPubkeys.forEach((pubkey) => {
+        const event = eventsMap.get(pubkey)
+        if (event) {
+          const index = pubkeys.indexOf(pubkey)
+          relayEvents[index] = event
+        }
+      })
+    }
 
-    return pubkeys.map((pubkey) => eventsMap.get(pubkey))
+    return relayEvents
   }
 
   private async _fetchFollowListEvent(pubkey: string) {

src/services/indexed-db.service.ts

@@ -0,0 +1,271 @@
+import { tagNameEquals } from '@/lib/tag'
+import { Event, kinds } from 'nostr-tools'
+
+type TValue<T = any> = {
+  key: string
+  value: T
+  addedAt: number
+}
+
+const StoreNames = {
+  PROFILE_EVENTS: 'profileEvents',
+  RELAY_LIST_EVENTS: 'relayListEvents',
+  FOLLOW_LIST_EVENTS: 'followListEvents',
+  MUTE_LIST_EVENTS: 'muteListEvents',
+  MUTE_DECRYPTED_TAGS: 'muteDecryptedTags',
+  RELAY_INFO_EVENTS: 'relayInfoEvents'
+}
+
+class IndexedDbService {
+  static instance: IndexedDbService
+  static getInstance(): IndexedDbService {
+    if (!IndexedDbService.instance) {
+      IndexedDbService.instance = new IndexedDbService()
+      IndexedDbService.instance.init()
+    }
+    return IndexedDbService.instance
+  }
+
+  private db: IDBDatabase | null = null
+  private initPromise: Promise<void> | null = null
+
+  init(): Promise<void> {
+    if (!this.initPromise) {
+      this.initPromise = new Promise((resolve, reject) => {
+        const request = window.indexedDB.open('jumble', 2)
+
+        request.onerror = (event) => {
+          reject(event)
+        }
+
+        request.onsuccess = () => {
+          this.db = request.result
+          resolve()
+        }
+
+        request.onupgradeneeded = () => {
+          this.db = request.result
+          if (!this.db.objectStoreNames.contains(StoreNames.PROFILE_EVENTS)) {
+            this.db.createObjectStore(StoreNames.PROFILE_EVENTS, { keyPath: 'key' })
+          }
+          if (!this.db.objectStoreNames.contains(StoreNames.RELAY_LIST_EVENTS)) {
+            this.db.createObjectStore(StoreNames.RELAY_LIST_EVENTS, { keyPath: 'key' })
+          }
+          if (!this.db.objectStoreNames.contains(StoreNames.FOLLOW_LIST_EVENTS)) {
+            this.db.createObjectStore(StoreNames.FOLLOW_LIST_EVENTS, { keyPath: 'key' })
+          }
+          if (!this.db.objectStoreNames.contains(StoreNames.MUTE_LIST_EVENTS)) {
+            this.db.createObjectStore(StoreNames.MUTE_LIST_EVENTS, { keyPath: 'key' })
+          }
+          if (!this.db.objectStoreNames.contains(StoreNames.MUTE_DECRYPTED_TAGS)) {
+            this.db.createObjectStore(StoreNames.MUTE_DECRYPTED_TAGS, { keyPath: 'key' })
+          }
+          if (!this.db.objectStoreNames.contains(StoreNames.RELAY_INFO_EVENTS)) {
+            this.db.createObjectStore(StoreNames.RELAY_INFO_EVENTS, { keyPath: 'key' })
+          }
+        }
+      })
+      setTimeout(() => this.cleanUp(), 1000 * 60) // 1 minute
+    }
+    return this.initPromise
+  }
+
+  async putReplaceableEvent(event: Event): Promise<boolean> {
+    const storeName = this.getStoreNameByKind(event.kind)
+    if (!storeName) {
+      return Promise.reject('store name not found')
+    }
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(storeName, 'readwrite')
+      const store = transaction.objectStore(storeName)
+
+      const getRequest = store.get(event.pubkey)
+      getRequest.onsuccess = () => {
+        const oldValue = getRequest.result as TValue<Event> | undefined
+        if (oldValue && oldValue.value.created_at >= event.created_at) {
+          return resolve(false)
+        }
+        const putRequest = store.put(this.formatValue(event.pubkey, event))
+        putRequest.onsuccess = () => {
+          resolve(true)
+        }
+
+        putRequest.onerror = (event) => {
+          reject(event)
+        }
+      }
+    })
+  }
+
+  async getReplaceableEvent(pubkey: string, kind: number): Promise<Event | undefined> {
+    const storeName = this.getStoreNameByKind(kind)
+    if (!storeName) {
+      return Promise.reject('store name not found')
+    }
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(storeName, 'readonly')
+      const store = transaction.objectStore(storeName)
+      const request = store.get(pubkey)
+
+      request.onsuccess = () => {
+        resolve((request.result as TValue<Event>)?.value)
+      }
+
+      request.onerror = (event) => {
+        reject(event)
+      }
+    })
+  }
+
+  async getMuteDecryptedTags(id: string): Promise<string[][]> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.MUTE_DECRYPTED_TAGS, 'readonly')
+      const store = transaction.objectStore(StoreNames.MUTE_DECRYPTED_TAGS)
+      const request = store.get(id)
+
+      request.onsuccess = () => {
+        resolve((request.result as TValue<string[][]>)?.value)
+      }
+
+      request.onerror = (event) => {
+        reject(event)
+      }
+    })
+  }
+
+  async putMuteDecryptedTags(id: string, tags: string[][]): Promise<void> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.MUTE_DECRYPTED_TAGS, 'readwrite')
+      const store = transaction.objectStore(StoreNames.MUTE_DECRYPTED_TAGS)
+
+      const putRequest = store.put(this.formatValue(id, tags))
+      putRequest.onsuccess = () => {
+        resolve()
+      }
+
+      putRequest.onerror = (event) => {
+        reject(event)
+      }
+    })
+  }
+
+  async getAllRelayInfoEvents(): Promise<Event[]> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.RELAY_INFO_EVENTS, 'readonly')
+      const store = transaction.objectStore(StoreNames.RELAY_INFO_EVENTS)
+      const request = store.getAll()
+
+      request.onsuccess = () => {
+        resolve((request.result as TValue<Event>[])?.map((item) => item.value))
+      }
+
+      request.onerror = (event) => {
+        reject(event)
+      }
+    })
+  }
+
+  async putRelayInfoEvent(event: Event): Promise<void> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const dValue = event.tags.find(tagNameEquals('d'))?.[1]
+      if (!dValue) {
+        return resolve()
+      }
+      const transaction = this.db.transaction(StoreNames.RELAY_INFO_EVENTS, 'readwrite')
+      const store = transaction.objectStore(StoreNames.RELAY_INFO_EVENTS)
+
+      const putRequest = store.put(this.formatValue(dValue, event))
+      putRequest.onsuccess = () => {
+        resolve()
+      }
+
+      putRequest.onerror = (event) => {
+        reject(event)
+      }
+    })
+  }
+
+  private getStoreNameByKind(kind: number): string | undefined {
+    switch (kind) {
+      case kinds.Metadata:
+        return StoreNames.PROFILE_EVENTS
+      case kinds.RelayList:
+        return StoreNames.RELAY_LIST_EVENTS
+      case kinds.Contacts:
+        return StoreNames.FOLLOW_LIST_EVENTS
+      case kinds.Mutelist:
+        return StoreNames.MUTE_LIST_EVENTS
+      default:
+        return undefined
+    }
+  }
+
+  private formatValue<T>(key: string, value: T): TValue<T> {
+    return {
+      key,
+      value,
+      addedAt: Date.now()
+    }
+  }
+
+  private async cleanUp() {
+    await this.initPromise
+    if (!this.db) {
+      return
+    }
+
+    const expirationTimestamp = Date.now() - 1000 * 60 * 60 * 24 // 1 day
+    const transaction = this.db!.transaction(Object.values(StoreNames), 'readwrite')
+    await Promise.allSettled(
+      Object.values(StoreNames).map((storeName) => {
+        return new Promise<void>((resolve, reject) => {
+          const store = transaction.objectStore(storeName)
+          const request = store.openCursor()
+          request.onsuccess = (event) => {
+            const cursor = (event.target as IDBRequest).result
+            if (cursor) {
+              const value: TValue = cursor.value
+              if (value.addedAt < expirationTimestamp) {
+                cursor.delete()
+              }
+              cursor.continue()
+            } else {
+              resolve()
+            }
+          }
+
+          request.onerror = (event) => {
+            reject(event)
+          }
+        })
+      })
+    )
+  }
+}
+
+const instance = IndexedDbService.getInstance()
+export default instance

src/services/local-storage.service.ts

@@ -0,0 +1,215 @@
+import { StorageKey } from '@/constants'
+import { isSameAccount } from '@/lib/account'
+import { randomString } from '@/lib/random'
+import {
+  TAccount,
+  TAccountPointer,
+  TFeedType,
+  TNoteListMode,
+  TRelaySet,
+  TThemeSetting
+} from '@/types'
+
+const DEFAULT_RELAY_SETS: TRelaySet[] = [
+  {
+    id: randomString(),
+    name: 'Global',
+    relayUrls: ['wss://relay.damus.io/', 'wss://nos.lol/']
+  },
+  {
+    id: randomString(),
+    name: 'Safer Global',
+    relayUrls: ['wss://nostr.wine/', 'wss://pyramid.fiatjaf.com/']
+  },
+  {
+    id: randomString(),
+    name: 'Short Notes',
+    relayUrls: ['wss://140.f7z.io/']
+  },
+  {
+    id: randomString(),
+    name: 'News',
+    relayUrls: ['wss://news.utxo.one/']
+  },
+  {
+    id: randomString(),
+    name: 'Algo',
+    relayUrls: ['wss://algo.utxo.one']
+  }
+]
+
+class LocalStorageService {
+  static instance: LocalStorageService
+
+  private relaySets: TRelaySet[] = []
+  private activeRelaySetId: string | null = null
+  private feedType: TFeedType = 'relays'
+  private themeSetting: TThemeSetting = 'system'
+  private accounts: TAccount[] = []
+  private currentAccount: TAccount | null = null
+  private noteListMode: TNoteListMode = 'posts'
+
+  constructor() {
+    if (!LocalStorageService.instance) {
+      this.init()
+      LocalStorageService.instance = this
+    }
+    return LocalStorageService.instance
+  }
+
+  init() {
+    this.themeSetting =
+      (window.localStorage.getItem(StorageKey.THEME_SETTING) as TThemeSetting) ?? 'system'
+    const accountsStr = window.localStorage.getItem(StorageKey.ACCOUNTS)
+    this.accounts = accountsStr ? JSON.parse(accountsStr) : []
+    const currentAccountStr = window.localStorage.getItem(StorageKey.CURRENT_ACCOUNT)
+    this.currentAccount = currentAccountStr ? JSON.parse(currentAccountStr) : null
+    const feedType = window.localStorage.getItem(StorageKey.FEED_TYPE)
+    if (feedType && ['following', 'relays'].includes(feedType)) {
+      this.feedType = feedType as 'following' | 'relays'
+    } else {
+      this.feedType = 'relays'
+    }
+    const noteListModeStr = window.localStorage.getItem(StorageKey.NOTE_LIST_MODE)
+    this.noteListMode =
+      noteListModeStr && ['posts', 'postsAndReplies', 'pictures'].includes(noteListModeStr)
+        ? (noteListModeStr as TNoteListMode)
+        : 'posts'
+
+    const relaySetsStr = window.localStorage.getItem(StorageKey.RELAY_SETS)
+    if (!relaySetsStr) {
+      let relaySets: TRelaySet[] = []
+      const legacyRelayGroupsStr = window.localStorage.getItem('relayGroups')
+      if (legacyRelayGroupsStr) {
+        const legacyRelayGroups = JSON.parse(legacyRelayGroupsStr)
+        relaySets = legacyRelayGroups.map((group: any) => {
+          return {
+            id: randomString(),
+            name: group.groupName,
+            relayUrls: group.relayUrls
+          }
+        })
+      }
+      if (!relaySets.length) {
+        relaySets = DEFAULT_RELAY_SETS
+      }
+      const activeRelaySetId = relaySets[0].id
+      window.localStorage.setItem(StorageKey.RELAY_SETS, JSON.stringify(relaySets))
+      window.localStorage.setItem(StorageKey.ACTIVE_RELAY_SET_ID, activeRelaySetId)
+      this.relaySets = relaySets
+      this.activeRelaySetId = activeRelaySetId
+    } else {
+      this.relaySets = JSON.parse(relaySetsStr)
+      this.activeRelaySetId = window.localStorage.getItem(StorageKey.ACTIVE_RELAY_SET_ID) ?? null
+    }
+
+    // Clean up deprecated data
+    window.localStorage.removeItem(StorageKey.ACCOUNT_PROFILE_EVENT_MAP)
+    window.localStorage.removeItem(StorageKey.ACCOUNT_FOLLOW_LIST_EVENT_MAP)
+    window.localStorage.removeItem(StorageKey.ACCOUNT_RELAY_LIST_EVENT_MAP)
+    window.localStorage.removeItem(StorageKey.ACCOUNT_MUTE_LIST_EVENT_MAP)
+    window.localStorage.removeItem(StorageKey.ACCOUNT_MUTE_DECRYPTED_TAGS_MAP)
+  }
+
+  getRelaySets() {
+    return this.relaySets
+  }
+
+  setRelaySets(relaySets: TRelaySet[]) {
+    this.relaySets = relaySets
+    window.localStorage.setItem(StorageKey.RELAY_SETS, JSON.stringify(this.relaySets))
+  }
+
+  getActiveRelaySetId() {
+    return this.activeRelaySetId
+  }
+
+  setActiveRelaySetId(id: string | null) {
+    this.activeRelaySetId = id
+    if (id) {
+      window.localStorage.setItem(StorageKey.ACTIVE_RELAY_SET_ID, id)
+    } else {
+      window.localStorage.removeItem(StorageKey.ACTIVE_RELAY_SET_ID)
+    }
+  }
+
+  getFeedType() {
+    return this.feedType
+  }
+
+  setFeedType(feedType: TFeedType) {
+    this.feedType = feedType
+    window.localStorage.setItem(StorageKey.FEED_TYPE, this.feedType)
+  }
+
+  getThemeSetting() {
+    return this.themeSetting
+  }
+
+  setThemeSetting(themeSetting: TThemeSetting) {
+    window.localStorage.setItem(StorageKey.THEME_SETTING, themeSetting)
+    this.themeSetting = themeSetting
+  }
+
+  getNoteListMode() {
+    return this.noteListMode
+  }
+
+  setNoteListMode(mode: TNoteListMode) {
+    window.localStorage.setItem(StorageKey.NOTE_LIST_MODE, mode)
+    this.noteListMode = mode
+  }
+
+  getAccounts() {
+    return this.accounts
+  }
+
+  findAccount(account: TAccountPointer) {
+    return this.accounts.find((act) => isSameAccount(act, account))
+  }
+
+  getCurrentAccount() {
+    return this.currentAccount
+  }
+
+  getAccountNsec(pubkey: string) {
+    const account = this.accounts.find((act) => act.pubkey === pubkey && act.signerType === 'nsec')
+    return account?.nsec
+  }
+
+  getAccountNcryptsec(pubkey: string) {
+    const account = this.accounts.find(
+      (act) => act.pubkey === pubkey && act.signerType === 'ncryptsec'
+    )
+    return account?.ncryptsec
+  }
+
+  addAccount(account: TAccount) {
+    if (this.accounts.find((act) => isSameAccount(act, account))) {
+      return
+    }
+    this.accounts.push(account)
+    window.localStorage.setItem(StorageKey.ACCOUNTS, JSON.stringify(this.accounts))
+    return account
+  }
+
+  removeAccount(account: TAccount) {
+    this.accounts = this.accounts.filter((act) => !isSameAccount(act, account))
+    window.localStorage.setItem(StorageKey.ACCOUNTS, JSON.stringify(this.accounts))
+  }
+
+  switchAccount(account: TAccount | null) {
+    if (isSameAccount(this.currentAccount, account)) {
+      return
+    }
+    const act = this.accounts.find((act) => isSameAccount(act, account))
+    if (!act) {
+      return
+    }
+    this.currentAccount = act
+    window.localStorage.setItem(StorageKey.CURRENT_ACCOUNT, JSON.stringify(act))
+  }
+}
+
+const instance = new LocalStorageService()
+export default instance

src/services/relay-info.service.ts

@@ -6,6 +6,7 @@ import DataLoader from 'dataloader'
 import FlexSearch from 'flexsearch'
 import { Event } from 'nostr-tools'
 import client from './client.service'
+import indexedDb from './indexed-db.service'
 
 class RelayInfoService {
   static instance: RelayInfoService
@@ -52,7 +53,12 @@ class RelayInfoService {
     }
 
     if (!query) {
-      return Array.from(this.relayInfoMap.values())
+      const arr = Array.from(this.relayInfoMap.values())
+      for (let i = arr.length - 1; i > 0; i--) {
+        const j = Math.floor(Math.random() * (i + 1))
+        ;[arr[i], arr[j]] = [arr[j], arr[i]]
+      }
+      return arr
     }
 
     const result = await this.relayInfoIndex.searchAsync(query)
@@ -128,6 +134,12 @@ class RelayInfoService {
   }
 
   private async loadRelayInfos() {
+    const localRelayInfos = await indexedDb.getAllRelayInfoEvents()
+    const relayInfos = formatRelayInfoEvents(localRelayInfos)
+    relayInfos.forEach((relayInfo) => this.addRelayInfo(relayInfo))
+    this.relayUrlsForRandom = Array.from(this.relayInfoMap.keys())
+
+    const loadFromInternet = async () => {
       let until: number = Math.round(Date.now() / 1000)
       const since = until - 60 * 60 * 48
 
@@ -143,14 +155,19 @@ class RelayInfoService {
         if (events.length === 0) {
           break
         }
+        await Promise.allSettled(events.map((event) => indexedDb.putRelayInfoEvent(event)))
         until = events[events.length - 1].created_at - 1
         const relayInfos = formatRelayInfoEvents(events)
-      for (const relayInfo of relayInfos) {
+        relayInfos.forEach((relayInfo) => this.addRelayInfo(relayInfo))
-        await this.addRelayInfo(relayInfo)
-      }
       }
       this.relayUrlsForRandom = Array.from(this.relayInfoMap.keys())
     }
+    if (localRelayInfos.length === 0) {
+      await loadFromInternet()
+    } else {
+      loadFromInternet()
+    }
+  }
 
   private async addRelayInfo(relayInfo: TNip66RelayInfo) {
     const oldRelayInfo = this.relayInfoMap.get(relayInfo.url)

src/services/storage.service.ts

@@ -1,370 +0,0 @@
-import { StorageKey } from '@/constants'
-import { isSameAccount } from '@/lib/account'
-import { randomString } from '@/lib/random'
-import {
-  TAccount,
-  TAccountPointer,
-  TFeedType,
-  TNoteListMode,
-  TRelaySet,
-  TThemeSetting
-} from '@/types'
-import { Event } from 'nostr-tools'
-
-const DEFAULT_RELAY_SETS: TRelaySet[] = [
-  {
-    id: randomString(),
-    name: 'Global',
-    relayUrls: ['wss://relay.damus.io/', 'wss://nos.lol/']
-  },
-  {
-    id: randomString(),
-    name: 'Safer Global',
-    relayUrls: ['wss://nostr.wine/', 'wss://pyramid.fiatjaf.com/']
-  },
-  {
-    id: randomString(),
-    name: 'Short Notes',
-    relayUrls: ['wss://140.f7z.io/']
-  },
-  {
-    id: randomString(),
-    name: 'News',
-    relayUrls: ['wss://news.utxo.one/']
-  },
-  {
-    id: randomString(),
-    name: 'Algo',
-    relayUrls: ['wss://algo.utxo.one']
-  }
-]
-
-class StorageService {
-  static instance: StorageService
-
-  private relaySets: TRelaySet[] = []
-  private activeRelaySetId: string | null = null
-  private feedType: TFeedType = 'relays'
-  private themeSetting: TThemeSetting = 'system'
-  private accounts: TAccount[] = []
-  private currentAccount: TAccount | null = null
-  private noteListMode: TNoteListMode = 'posts'
-  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 accountMuteDecryptedTagsMap: Record<
-    string,
-    { id: string; tags: string[][] } | undefined
-  > = {} // pubkey -> { id, tags }
-  private accountProfileEventMap: Record<string, Event | undefined> = {} // pubkey -> profileEvent
-
-  constructor() {
-    if (!StorageService.instance) {
-      this.init()
-      StorageService.instance = this
-    }
-    return StorageService.instance
-  }
-
-  init() {
-    this.themeSetting =
-      (window.localStorage.getItem(StorageKey.THEME_SETTING) as TThemeSetting) ?? 'system'
-    const accountsStr = window.localStorage.getItem(StorageKey.ACCOUNTS)
-    this.accounts = accountsStr ? JSON.parse(accountsStr) : []
-    const currentAccountStr = window.localStorage.getItem(StorageKey.CURRENT_ACCOUNT)
-    this.currentAccount = currentAccountStr ? JSON.parse(currentAccountStr) : null
-    const feedType = window.localStorage.getItem(StorageKey.FEED_TYPE)
-    if (feedType && ['following', 'relays'].includes(feedType)) {
-      this.feedType = feedType as 'following' | 'relays'
-    } else {
-      this.feedType = 'relays'
-    }
-    const noteListModeStr = window.localStorage.getItem(StorageKey.NOTE_LIST_MODE)
-    this.noteListMode =
-      noteListModeStr && ['posts', 'postsAndReplies', 'pictures'].includes(noteListModeStr)
-        ? (noteListModeStr as TNoteListMode)
-        : 'posts'
-
-    const accountRelayListEventMapStr = window.localStorage.getItem(
-      StorageKey.ACCOUNT_RELAY_LIST_EVENT_MAP
-    )
-    this.accountRelayListEventMap = accountRelayListEventMapStr
-      ? JSON.parse(accountRelayListEventMapStr)
-      : {}
-    const accountFollowListEventMapStr = window.localStorage.getItem(
-      StorageKey.ACCOUNT_FOLLOW_LIST_EVENT_MAP
-    )
-    this.accountFollowListEventMap = accountFollowListEventMapStr
-      ? JSON.parse(accountFollowListEventMapStr)
-      : {}
-    const accountMuteListEventMapStr = window.localStorage.getItem(
-      StorageKey.ACCOUNT_MUTE_LIST_EVENT_MAP
-    )
-    this.accountMuteListEventMap = accountMuteListEventMapStr
-      ? JSON.parse(accountMuteListEventMapStr)
-      : {}
-    const accountMuteDecryptedTagsMapStr = window.localStorage.getItem(
-      StorageKey.ACCOUNT_MUTE_DECRYPTED_TAGS_MAP
-    )
-    this.accountMuteDecryptedTagsMap = accountMuteDecryptedTagsMapStr
-      ? JSON.parse(accountMuteDecryptedTagsMapStr)
-      : {}
-    const accountProfileEventMapStr = window.localStorage.getItem(
-      StorageKey.ACCOUNT_PROFILE_EVENT_MAP
-    )
-    this.accountProfileEventMap = accountProfileEventMapStr
-      ? JSON.parse(accountProfileEventMapStr)
-      : {}
-
-    const relaySetsStr = window.localStorage.getItem(StorageKey.RELAY_SETS)
-    if (!relaySetsStr) {
-      let relaySets: TRelaySet[] = []
-      const legacyRelayGroupsStr = window.localStorage.getItem('relayGroups')
-      if (legacyRelayGroupsStr) {
-        const legacyRelayGroups = JSON.parse(legacyRelayGroupsStr)
-        relaySets = legacyRelayGroups.map((group: any) => {
-          return {
-            id: randomString(),
-            name: group.groupName,
-            relayUrls: group.relayUrls
-          }
-        })
-      }
-      if (!relaySets.length) {
-        relaySets = DEFAULT_RELAY_SETS
-      }
-      const activeRelaySetId = relaySets[0].id
-      window.localStorage.setItem(StorageKey.RELAY_SETS, JSON.stringify(relaySets))
-      window.localStorage.setItem(StorageKey.ACTIVE_RELAY_SET_ID, activeRelaySetId)
-      this.relaySets = relaySets
-      this.activeRelaySetId = activeRelaySetId
-    } else {
-      this.relaySets = JSON.parse(relaySetsStr)
-      this.activeRelaySetId = window.localStorage.getItem(StorageKey.ACTIVE_RELAY_SET_ID) ?? null
-    }
-  }
-
-  getRelaySets() {
-    return this.relaySets
-  }
-
-  setRelaySets(relaySets: TRelaySet[]) {
-    this.relaySets = relaySets
-    window.localStorage.setItem(StorageKey.RELAY_SETS, JSON.stringify(this.relaySets))
-  }
-
-  getActiveRelaySetId() {
-    return this.activeRelaySetId
-  }
-
-  setActiveRelaySetId(id: string | null) {
-    this.activeRelaySetId = id
-    if (id) {
-      window.localStorage.setItem(StorageKey.ACTIVE_RELAY_SET_ID, id)
-    } else {
-      window.localStorage.removeItem(StorageKey.ACTIVE_RELAY_SET_ID)
-    }
-  }
-
-  getFeedType() {
-    return this.feedType
-  }
-
-  setFeedType(feedType: TFeedType) {
-    this.feedType = feedType
-    window.localStorage.setItem(StorageKey.FEED_TYPE, this.feedType)
-  }
-
-  getThemeSetting() {
-    return this.themeSetting
-  }
-
-  setThemeSetting(themeSetting: TThemeSetting) {
-    window.localStorage.setItem(StorageKey.THEME_SETTING, themeSetting)
-    this.themeSetting = themeSetting
-  }
-
-  getNoteListMode() {
-    return this.noteListMode
-  }
-
-  setNoteListMode(mode: TNoteListMode) {
-    window.localStorage.setItem(StorageKey.NOTE_LIST_MODE, mode)
-    this.noteListMode = mode
-  }
-
-  getAccounts() {
-    return this.accounts
-  }
-
-  findAccount(account: TAccountPointer) {
-    return this.accounts.find((act) => isSameAccount(act, account))
-  }
-
-  getCurrentAccount() {
-    return this.currentAccount
-  }
-
-  getAccountNsec(pubkey: string) {
-    const account = this.accounts.find((act) => act.pubkey === pubkey && act.signerType === 'nsec')
-    return account?.nsec
-  }
-
-  getAccountNcryptsec(pubkey: string) {
-    const account = this.accounts.find(
-      (act) => act.pubkey === pubkey && act.signerType === 'ncryptsec'
-    )
-    return account?.ncryptsec
-  }
-
-  addAccount(account: TAccount) {
-    if (this.accounts.find((act) => isSameAccount(act, account))) {
-      return
-    }
-    this.accounts.push(account)
-    window.localStorage.setItem(StorageKey.ACCOUNTS, JSON.stringify(this.accounts))
-    return account
-  }
-
-  removeAccount(account: TAccount) {
-    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.accountMuteDecryptedTagsMap[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_MUTE_DECRYPTED_TAGS_MAP,
-      JSON.stringify(this.accountMuteDecryptedTagsMap)
-    )
-    window.localStorage.setItem(
-      StorageKey.ACCOUNT_RELAY_LIST_EVENT_MAP,
-      JSON.stringify(this.accountRelayListEventMap)
-    )
-    window.localStorage.setItem(
-      StorageKey.ACCOUNT_PROFILE_EVENT_MAP,
-      JSON.stringify(this.accountProfileEventMap)
-    )
-  }
-
-  switchAccount(account: TAccount | null) {
-    if (isSameAccount(this.currentAccount, account)) {
-      return
-    }
-    const act = this.accounts.find((act) => isSameAccount(act, account))
-    if (!act) {
-      return
-    }
-    this.currentAccount = act
-    window.localStorage.setItem(StorageKey.CURRENT_ACCOUNT, JSON.stringify(act))
-  }
-
-  getAccountRelayListEvent(pubkey: string) {
-    return this.accountRelayListEventMap[pubkey]
-  }
-
-  setAccountRelayListEvent(relayListEvent: Event) {
-    const pubkey = relayListEvent.pubkey
-    if (
-      this.accountRelayListEventMap[pubkey] &&
-      this.accountRelayListEventMap[pubkey].created_at > relayListEvent.created_at
-    ) {
-      return false
-    }
-    this.accountRelayListEventMap[pubkey] = relayListEvent
-    window.localStorage.setItem(
-      StorageKey.ACCOUNT_RELAY_LIST_EVENT_MAP,
-      JSON.stringify(this.accountRelayListEventMap)
-    )
-    return true
-  }
-
-  getAccountFollowListEvent(pubkey: string) {
-    return this.accountFollowListEventMap[pubkey]
-  }
-
-  setAccountFollowListEvent(followListEvent: Event) {
-    const pubkey = followListEvent.pubkey
-    if (
-      this.accountFollowListEventMap[pubkey] &&
-      this.accountFollowListEventMap[pubkey].created_at > followListEvent.created_at
-    ) {
-      return false
-    }
-    this.accountFollowListEventMap[pubkey] = followListEvent
-    window.localStorage.setItem(
-      StorageKey.ACCOUNT_FOLLOW_LIST_EVENT_MAP,
-      JSON.stringify(this.accountFollowListEventMap)
-    )
-    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
-  }
-
-  getAccountMuteDecryptedTags(muteListEvent: Event) {
-    const stored = this.accountMuteDecryptedTagsMap[muteListEvent.pubkey]
-    if (stored && stored.id === muteListEvent.id) {
-      return stored.tags
-    }
-    return null
-  }
-
-  setAccountMuteDecryptedTags(muteListEvent: Event, tags: string[][]) {
-    this.accountMuteDecryptedTagsMap[muteListEvent.pubkey] = { id: muteListEvent.id, tags }
-    window.localStorage.setItem(
-      StorageKey.ACCOUNT_MUTE_DECRYPTED_TAGS_MAP,
-      JSON.stringify(this.accountMuteDecryptedTagsMap)
-    )
-  }
-
-  getAccountProfileEvent(pubkey: string) {
-    return this.accountProfileEventMap[pubkey]
-  }
-
-  setAccountProfileEvent(profileEvent: Event) {
-    const pubkey = profileEvent.pubkey
-    if (
-      this.accountProfileEventMap[pubkey] &&
-      this.accountProfileEventMap[pubkey].created_at > profileEvent.created_at
-    ) {
-      return false
-    }
-    this.accountProfileEventMap[pubkey] = profileEvent
-    window.localStorage.setItem(
-      StorageKey.ACCOUNT_PROFILE_EVENT_MAP,
-      JSON.stringify(this.accountProfileEventMap)
-    )
-    return true
-  }
-}
-
-const instance = new StorageService()
-
-export default instance