feat: add new method to Performance to check for fresh install

Author: MarioAslau

app/components/Nav/App/App.tsx

@@ -34,7 +34,7 @@ import {
   EXISTING_USER,
   LAST_APP_VERSION,
 } from '../../../constants/storage';
-import { getVersion, getFirstInstallTime, getLastUpdateTime } from 'react-native-device-info';
+import { getVersion } from 'react-native-device-info';
 import { Authentication } from '../../../core/';
 import Device from '../../../util/device';
 import SDKConnect from '../../../core/SDKConnect/SDKConnect';
@@ -922,15 +922,6 @@ const App: React.FC = () => {
 
   useEffect(() => {
     async function startApp() {
-      const firstInstallTime = await getFirstInstallTime();
-      const lastUpdateTime = await getLastUpdateTime();
-      const isFreshInstall = firstInstallTime === lastUpdateTime;
-      
-      if (isFreshInstall) {
-        // Clear all MMKV storage on fresh install to avoid leftovers of EXISTING_USER in case of phone migration
-        await StorageWrapper.clearAll();
-      }
-
       const existingUser = await StorageWrapper.getItem(EXISTING_USER);
       if (!existingUser) {
         // List of chainIds to add (as hex strings)

app/constants/storage.ts

@@ -63,3 +63,5 @@ export const themeAppearanceLight = 'light';
 export const USE_TERMS = `${prefix}UserTermsAccepted${USE_TERMS_VERSION}`;
 
 export const SOLANA_FEATURE_MODAL_SHOWN = `${prefix}solanaFeatureModalShown`;
+
+export const FRESH_INSTALL_CHECK_DONE = 'FreshInstallCheckDone';

app/core/Performance/Performance.ts

@@ -1,5 +1,15 @@
 /* eslint-disable no-console */
 import performance, { PerformanceObserver } from 'react-native-performance';
+import {
+  getFirstInstallTime,
+  getLastUpdateTime,
+} from 'react-native-device-info';
+import {
+  EXISTING_USER,
+  FRESH_INSTALL_CHECK_DONE,
+} from '../../constants/storage';
+import Logger from '../../util/Logger';
+import AsyncStorage from '@react-native-async-storage/async-storage';
 import StorageWrapper from '../../store/storage-wrapper';
 import { TraceName, TraceOperation, endTrace, trace } from '../../util/trace';
 import getUIStartupSpan from './UIStartup';
@@ -15,6 +25,45 @@ async function setPerformanceValues(appStartTime: number) {
 
 class Performance {
   static appLaunchTime: number;
+
+  /**
+   * Checks if this is a fresh install with restored MMKV data from a backup.
+   * If so, clears the MMKV storage to ensure a clean state.
+   */
+  static handleFreshInstallWithRestoredData = () => {
+    (async () => {
+      try {
+        // Check if we've already performed this check
+        const freshInstallCheckDone = await AsyncStorage.getItem(
+          FRESH_INSTALL_CHECK_DONE,
+        );
+
+        if (!freshInstallCheckDone) {
+          // Check if this is a fresh install
+          const firstInstallTime = await getFirstInstallTime();
+          const lastUpdateTime = await getLastUpdateTime();
+          const isFreshInstall = firstInstallTime === lastUpdateTime;
+
+          if (isFreshInstall) {
+            const existingUser = await StorageWrapper.getItem(EXISTING_USER);
+
+            if (existingUser) {
+              // This is a fresh install but we have an existing user flag. This indicates restored data from a backup
+              await StorageWrapper.clearAll();
+            }
+          }
+
+          await AsyncStorage.setItem('FRESH_INSTALL_CHECK_DONE', 'true');
+        }
+      } catch (error) {
+        Logger.error(
+          error as Error,
+          'Error checking for fresh install with restored data',
+        );
+      }
+    })();
+  };
+
   /**
    * Measures app start and JS bundle loading times
    */

index.js

@@ -22,6 +22,7 @@ import { isE2E } from './app/util/test/utils.js';
 import { Performance } from './app/core/Performance';
 import { handleCustomError, setReactNativeDefaultHandler } from './app/core/ErrorHandler';
 Performance.setupPerformanceObservers();
+Performance.handleFreshInstallWithRestoredData();
 
 LogBox.ignoreAllLogs();
 // List of warnings that we're ignoring