Fix failed auth causing wallet state loss

src/models/helpers/setupRootStore.ts

@@ -54,20 +54,21 @@ export async function setupRootStore(rootStore: RootStore) {
             try {
                 await MMKVStorage.initEncryption()
             } catch (e: any) {
+                log.error('[setupRootStore]', 'Encryption init failed', {error: e})
+
                 if (e && typeof e === 'object') {
-                    const errString = JSON.stringify(e)
+                    const errString = JSON.stringify(e)                   
 
-                    const isCancellPressed = errString.includes('code: 10')
-                    const isBackPressed = errString.includes('code: 13')
-                    const isIOSCancel = 'code' in e && String(e.code) === '-128'
+                    const isBackPressed = errString.includes('code: 10')
+                    const isCancellPressed = errString.includes('code: 13')
+                    const isIOSCancel = 'code' in e && String(e.code) === '-128'                   
 
                     // In case user cancels / fails the fingerprint auth, empty app state is loaded.
                     // If a user updates the empty app state, it is stored unencrypted and returned after restart as primary one,
                     // making encrypted data inaccessible or later overwritten.
                     // Therefore this ugly app exit on unsuccessful auth.
 
-                    if(isCancellPressed || isBackPressed || isIOSCancel) {
-                        log.error('[setupRootStore]', 'Exiting app on failed auth', {error: e})
+                    if(isCancellPressed || isBackPressed || isIOSCancel) {                        
                         RNExitApp.exitApp()
                     }
                 }  

src/screens/ContactsScreen.tsx

@@ -34,7 +34,7 @@ export const ContactsScreen: FC<ContactsScreenProps> = observer(function Contact
             try {                
                 log.trace(walletProfileStore)
 
-                if(!walletProfileStore.pubkey || !walletProfileStore.picture) { // pic needed                    
+                if(!walletProfileStore.pubkey || !walletProfileStore.picture) { // pic check needed to be sure profile does not exists on the server                    
                     // create random name, NIP05 identifier, random picture and sharable profile
                     // announce new profile to the added default public and minibits relays
                     const walletId = userSettingsStore.walletId
@@ -44,11 +44,11 @@ export const ContactsScreen: FC<ContactsScreenProps> = observer(function Contact
             } catch(e: any) {
                 log.error(e.name, e.message)
 
-                // in case we somehow hit the existing name we silently retry
-                if(e.name && e.name === Err.ALREADY_EXISTS_ERROR) {
+                // in case we somehow hit the existing name we silently retry TBD
+                /* if(e.name && e.name === Err.ALREADY_EXISTS_ERROR) {
                     const randomName = getRandomUsername()
                     await walletProfileStore.create(randomName as string) 
-                }
+                } */
 
                 return false // silent
             }

src/services/keyChain.ts

@@ -359,7 +359,7 @@ const loadMmkvEncryptionKey = async function (): Promise<string | undefined> {
         log.trace('[loadMmkvEncryptionKey]', 'Did not find existing encryptionKey in the KeyChain.')
         return undefined
     } catch (e: any) {
-        throw new AppError(Err.KEYCHAIN_ERROR, e.message)
+        throw new AppError(Err.KEYCHAIN_ERROR, e.message, {caller: 'loadMmkvEncryptionKey', message: e.message})
     }
 }
 

src/services/mmkvStorage.ts

@@ -8,8 +8,12 @@ let _encryptionKey: string | undefined
 
 const initEncryption = async function (): Promise<void> {
   if (!_encryptionKey) {
-    _encryptionKey = await getOrCreateEncryptionKey()
-    getInstance() // Instantiate the MMKV instance with the encryption key
+    try {
+        _encryptionKey = await getOrCreateEncryptionKey()
+        getInstance() // Instantiate the MMKV instance with the encryption key
+    } catch(e: any) {
+        throw e
+    }    
   }
 }
 
@@ -38,7 +42,11 @@ const getOrCreateEncryptionKey = async function (): Promise<string> {
 
     let key: string | null = null
 
-    key = (await KeyChain.loadMmkvEncryptionKey()) as string
+    try {
+        key = (await KeyChain.loadMmkvEncryptionKey()) as string
+    } catch (e: any) {
+        throw e
+    }
 
     if (!key) {
       key = KeyChain.generateMmkvEncryptionKey() as string