package-lock.json

@@ -13,6 +13,7 @@
         "@mui/icons-material": "5.15.11",
         "@mui/lab": "5.0.0-alpha.166",
         "@mui/material": "5.15.11",
+        "@noble/hashes": "^1.4.0",
         "@nostr-dev-kit/ndk": "2.5.0",
         "@reduxjs/toolkit": "2.2.1",
         "axios": "1.6.7",
@@ -1505,9 +1506,9 @@
       }
     },
     "node_modules/@noble/hashes": {
-      "version": "1.3.1",
+      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.1.tgz",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.4.0.tgz",
-      "integrity": "sha512-EbqwksQwz9xDRGfDST86whPBgM65E0OH/pCgqW0GBVzO22bNE+NuIbeTb714+IfSjU3aRk47EUvXIb5bTsenKA==",
+      "integrity": "sha512-V1JJ1WTRUqHHrOSh597hURcMqVKVGL/ea3kv0gSnEdsEZ0/+VyPghM1lMNGc00z7CIQorSvbKpuJkxvuHbvdbg==",
       "engines": {
         "node": ">= 16"
       },
@@ -1598,6 +1599,17 @@
         "url": "https://paulmillr.com/funding/"
       }
     },
+    "node_modules/@nostr-dev-kit/ndk/node_modules/@noble/hashes": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.1.tgz",
+      "integrity": "sha512-EbqwksQwz9xDRGfDST86whPBgM65E0OH/pCgqW0GBVzO22bNE+NuIbeTb714+IfSjU3aRk47EUvXIb5bTsenKA==",
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
     "node_modules/@nostr-dev-kit/ndk/node_modules/nostr-tools": {
       "version": "1.17.0",
       "resolved": "https://registry.npmjs.org/nostr-tools/-/nostr-tools-1.17.0.tgz",
@@ -1863,6 +1875,28 @@
         "url": "https://paulmillr.com/funding/"
       }
     },
+    "node_modules/@scure/bip32/node_modules/@noble/curves/node_modules/@noble/hashes": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.1.tgz",
+      "integrity": "sha512-EbqwksQwz9xDRGfDST86whPBgM65E0OH/pCgqW0GBVzO22bNE+NuIbeTb714+IfSjU3aRk47EUvXIb5bTsenKA==",
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
+    "node_modules/@scure/bip32/node_modules/@noble/hashes": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.3.tgz",
+      "integrity": "sha512-V7/fPHgl+jsVPXqqeOzT8egNj2iBIVt+ECeMMG8TdcnTikP3oaBtUVqpT/gYCR68aEBJSF+XbYUxStjbFMqIIA==",
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
     "node_modules/@scure/bip39": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/@scure/bip39/-/bip39-1.2.1.tgz",
@@ -1875,6 +1909,17 @@
         "url": "https://paulmillr.com/funding/"
       }
     },
+    "node_modules/@scure/bip39/node_modules/@noble/hashes": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.3.tgz",
+      "integrity": "sha512-V7/fPHgl+jsVPXqqeOzT8egNj2iBIVt+ECeMMG8TdcnTikP3oaBtUVqpT/gYCR68aEBJSF+XbYUxStjbFMqIIA==",
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
     "node_modules/@tsconfig/node10": {
       "version": "1.0.9",
       "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.9.tgz",
@@ -4027,6 +4072,17 @@
         }
       }
     },
+    "node_modules/nostr-tools/node_modules/@noble/hashes": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.1.tgz",
+      "integrity": "sha512-EbqwksQwz9xDRGfDST86whPBgM65E0OH/pCgqW0GBVzO22bNE+NuIbeTb714+IfSjU3aRk47EUvXIb5bTsenKA==",
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
     "node_modules/nostr-wasm": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/nostr-wasm/-/nostr-wasm-0.1.0.tgz",

package.json

@@ -19,6 +19,7 @@
     "@mui/icons-material": "5.15.11",
     "@mui/lab": "5.0.0-alpha.166",
     "@mui/material": "5.15.11",
+    "@noble/hashes": "^1.4.0",
     "@nostr-dev-kit/ndk": "2.5.0",
     "@reduxjs/toolkit": "2.2.1",
     "axios": "1.6.7",

src/components/AppBar/AppBar.tsx

@@ -10,22 +10,24 @@ import {
 
 import { useEffect, useState } from 'react'
 import { useDispatch, useSelector } from 'react-redux'
-import { setAuthState } from '../../store/actions'
+import { setAuthState, setMetadataEvent } from '../../store/actions'
 import { State } from '../../store/rootReducer'
 import { Dispatch } from '../../store/store'
 import Username from '../username'
 
 import { Link, useNavigate } from 'react-router-dom'
-import { NostrController } from '../../controllers'
+import { MetadataController, NostrController } from '../../controllers'
 import { appPublicRoutes, getProfileRoute } from '../../routes'
 import {
   clearAuthToken,
-  getRoboHashPicture,
+  clearState,
   saveNsecBunkerDelegatedKey,
   shorten
 } from '../../utils'
 import styles from './style.module.scss'
 
+const metadataController = new MetadataController()
+
 export const AppBar = () => {
   const navigate = useNavigate()
 
@@ -39,17 +41,19 @@ export const AppBar = () => {
   const metadataState = useSelector((state: State) => state.metadata)
 
   useEffect(() => {
-    if (metadataState && metadataState.content) {
+    if (metadataState) {
+      if (metadataState.content) {
         const { picture, display_name, name } = JSON.parse(metadataState.content)
-      const pubkey = authState?.usersPubkey || ''
   
         if (picture) {
           setUserAvatar(picture)
-      } else {
-        setUserAvatar(getRoboHashPicture(pubkey))
         }
   
         setUsername(shorten(display_name || name || '', 7))
+      } else {
+        setUserAvatar('')
+        setUsername('')
+      }
     }
   }, [metadataState])
 
@@ -72,6 +76,7 @@ export const AppBar = () => {
     handleCloseUserMenu()
     dispatch(
       setAuthState({
+        keyPair: undefined,
         loggedIn: false,
         usersPubkey: undefined,
         loginMethod: undefined,
@@ -79,8 +84,13 @@ export const AppBar = () => {
       })
     )
 
+    dispatch(
+      setMetadataEvent(metadataController.getEmptyMetadataEvent())
+    )
+
     // clear authToken saved in local storage
     clearAuthToken()
+    clearState()
 
     // update nsecBunker delegated key after logout
     const nostrController = NostrController.getInstance()

src/controllers/AuthController.ts

@@ -6,6 +6,7 @@ import {
   base64DecodeAuthToken,
   base64EncodeSignedEvent,
   getAuthToken,
+  getRoboHashPicture,
   getVisitedLink,
   saveAuthToken
 } from '../utils'
@@ -37,7 +38,15 @@ export class AuthController {
         store.dispatch(setMetadataEvent(event))
       })
       .catch((err) => {
-        console.error('Error occurred while finding metadata', err)
+        console.warn('Error occurred while finding metadata', err)
+
+        const emptyMetadata = this.metadataController.getEmptyMetadataEvent()
+
+        emptyMetadata.content = JSON.stringify({
+          picture: getRoboHashPicture(pubkey)
+        })
+
+        store.dispatch(setMetadataEvent(emptyMetadata))
       })
 
     // Nostr uses unix timestamps

src/controllers/MetadataController.ts

@@ -23,6 +23,18 @@ export class MetadataController {
     this.nostrController = NostrController.getInstance()
   }
 
+  public getEmptyMetadataEvent = (): Event => {
+    return {
+      content: '',
+      created_at: new Date().valueOf(),
+      id: '',
+      kind: 0,
+      pubkey: '',
+      sig: '',
+      tags: []
+    }
+  }
+
   public findMetadata = async (hexKey: string) => {
     const eventFilter: Filter = {
       kinds: [kinds.Metadata],

src/controllers/NostrController.ts

@@ -319,15 +319,18 @@ export class NostrController extends EventEmitter {
     }
 
     if (loginMethod === LoginMethods.privateKey) {
-      const keyPair = (store.getState().auth as AuthState).keyPair
+      const keys = (store.getState().auth as AuthState).keyPair
 
-      if (!keyPair) {
+      if (!keys) {
         throw new Error(
           `Login method is ${LoginMethods.privateKey} but private & public key pair is not found.`
         )
       }
 
-      const encrypted = await nip04.encrypt(keyPair.private, receiver, content)
+      const { private: nsec } = keys
+      const privateKey = nip19.decode(nsec).data as Uint8Array
+
+      const encrypted = await nip04.encrypt(privateKey, receiver, content)
       return encrypted
     }
 

src/layouts/Main.tsx

@@ -4,13 +4,15 @@ import { useEffect, useState } from 'react'
 import { useDispatch } from 'react-redux'
 import { Outlet } from 'react-router-dom'
 import { AppBar } from '../components/AppBar/AppBar'
-import { restoreState, setAuthState } from '../store/actions'
+import { restoreState, setAuthState, setMetadataEvent } from '../store/actions'
-import { clearAuthToken, loadState, saveNsecBunkerDelegatedKey } from '../utils'
+import { clearAuthToken, clearState, loadState, saveNsecBunkerDelegatedKey } from '../utils'
 import { LoadingSpinner } from '../components/LoadingSpinner'
 import { Dispatch } from '../store/store'
-import { NostrController } from '../controllers'
+import { MetadataController, NostrController } from '../controllers'
 import { LoginMethods } from '../store/auth/types'
 
+const metadataController = new MetadataController()
+
 export const MainLayout = () => {
   const dispatch: Dispatch = useDispatch()
   const [isLoading, setIsLoading] = useState(true)
@@ -19,6 +21,7 @@ export const MainLayout = () => {
     const logout = () => {
       dispatch(
         setAuthState({
+          keyPair: undefined,
           loggedIn: false,
           usersPubkey: undefined,
           loginMethod: undefined,
@@ -26,8 +29,13 @@ export const MainLayout = () => {
         })
       )
 
+      dispatch(
+        setMetadataEvent(metadataController.getEmptyMetadataEvent())
+      )
+
       // clear authToken saved in local storage
       clearAuthToken()
+      clearState()
 
       // update nsecBunker delegated key
       const newDelegatedKey =

src/pages/create/index.tsx

@@ -489,6 +489,11 @@ const DisplayUser = ({
     })
   }, [users])
 
+  /**
+   * Use robohash if any of the users images fail to load
+   * @param event img tag onError event
+   * @param pubkey of the user
+   */
   const imageLoadError = (event: any, pubkey: string) => {
     event.target.src = getRoboHashPicture(pubkey)
   }

src/pages/profile/index.tsx

@@ -26,7 +26,6 @@ import { setMetadataEvent } from '../../store/actions'
 import { LoadingSpinner } from '../../components/LoadingSpinner'
 import { LoginMethods } from '../../store/auth/types'
 import { SmartToy } from '@mui/icons-material'
-import { getRoboHashPicture } from '../../utils'
 
 export const ProfilePage = () => {
   const theme = useTheme()
@@ -281,14 +280,11 @@ export const ProfilePage = () => {
                 }}
               >
                 <img
-                  onError={(event: any) => {
-                    event.target.src = npub ? getRoboHashPicture(npub) : ''
-                  }}
                   onLoad={() => {
                     setAvatarLoading(false)
                   }}
                   className={styles.img}
-                  src={profileMetadata.picture || npub ? getRoboHashPicture(npub!) : ''}
+                  src={profileMetadata.picture}
                   alt="Profile Image"
                 />
 

src/pages/verify/index.tsx

@@ -115,7 +115,7 @@ export const VerifyPage = () => {
 
   const imageLoadError = (event: any, pubkey: string) => {
     const npub = hexToNpub(pubkey)
-    event.target.src = npub
+    event.target.src = getRoboImageUrl(npub)
   }
 
   const getRoboImageUrl = (pubkey: string) => {

src/utils/localStorage.ts

@@ -22,6 +22,10 @@ export const loadState = (): State | undefined => {
   }
 }
 
+export const clearState = () => {
+  localStorage.removeItem('state')
+}
+
 export const saveNsecBunkerDelegatedKey = (privateKey: string) => {
   localStorage.setItem('nsecbunker-delegated-key', privateKey)
 }