Fix: duplicated users after merge/delete Braze profile

src/Root.tsx

@@ -143,6 +143,7 @@ import {
   setAccountEVMCreationMigrationComplete,
   successAddWallet,
 } from './store/wallet/wallet.actions';
+import {BrazeWrapper} from './lib/Braze';
 
 const {Timer, SilentPushEvent, InAppMessageModule} = NativeModules;
 
@@ -276,7 +277,6 @@ export default () => {
   const lockAuthorizedUntil = useAppSelector(
     ({APP}) => APP.lockAuthorizedUntil,
   );
-  const inAppMessageData = useAppSelector(({APP}) => APP.inAppMessageData);
   const keys = useAppSelector(({WALLET}) => WALLET.keys);
   const accountEvmCreationMigrationComplete = useAppSelector(
     ({WALLET}) => WALLET.accountEvmCreationMigrationComplete,
@@ -471,6 +471,24 @@ export default () => {
     return () => subscriptionAppStateChange.remove();
   }, [pinLockActive, biometricLockActive]);
 
+  useEffect(() => {
+    const eventBrazeListener = DeviceEventEmitter.addListener(
+      DeviceEmitterEvents.SHOULD_DELETE_BRAZE_USER,
+      async eid => {
+        // Wait for a few seconds to ensure the user is deleted
+        await sleep(20000);
+        LogActions.info('Deleting old user EID: ', eid);
+        await BrazeWrapper.delete(eid);
+        await sleep(3000);
+        BrazeWrapper.endMergingUser();
+      },
+    );
+
+    return () => {
+      eventBrazeListener.remove();
+    };
+  }, []);
+
   // THEME
   useEffect(() => {
     function onAppStateChange(status: AppStateStatus) {

src/constants/device-emitter-events.ts

@@ -38,4 +38,5 @@ export enum DeviceEmitterEvents {
   PUSH_NOTIFICATIONS = 'PUSH_NOTIFICATIONS',
   FIX_WALLET_ADDRESS = 'FIX_WALLET_ADDRESS',
   APP_TOKENS_DATA_LOADED = 'APP_TOKENS_DATA_LOADED',
+  SHOULD_DELETE_BRAZE_USER = 'SHOULD_DELETE_BRAZE_USER',
 }

src/lib/Braze/index.ts

@@ -138,6 +138,7 @@ export const BrazeWrapper = (() => {
     userId?: string;
     attributes?: BrazeUserAttributes;
   } = {};
+  let mergingUser = false;
 
   return {
     init() {
@@ -148,6 +149,9 @@ export const BrazeWrapper = (() => {
       userId: string | undefined,
       attributes?: BrazeUserAttributes | undefined,
     ) {
+      if (mergingUser) {
+        return;
+      }
       if (!lastSeenIdentity) {
         lastSeenIdentity = {};
       }
@@ -175,6 +179,14 @@ export const BrazeWrapper = (() => {
       };
     },
 
+    startMergingUser() {
+      mergingUser = true;
+    },
+
+    endMergingUser() {
+      mergingUser = false;
+    },
+
     merge(userToMerge: string, userToKeep: string) {
       return mergeUsers(userToMerge, userToKeep);
     },
@@ -186,11 +198,15 @@ export const BrazeWrapper = (() => {
     screen(name: string, properties: Record<string, any> = {}) {
       const screenName = `Viewed ${name} Screen`;
 
-      Braze.logCustomEvent(screenName, properties);
+      if (!mergingUser) {
+        Braze.logCustomEvent(screenName, properties);
+      }
     },
 
     track(eventName: string, properties: Record<string, any> = {}) {
-      Braze.logCustomEvent(eventName, properties);
+      if (!mergingUser) {
+        Braze.logCustomEvent(eventName, properties);
+      }
     },
   };
 })();

src/store/bitpay-id/bitpay-id.effects.ts

@@ -28,6 +28,8 @@ import axios from 'axios';
 import {BASE_BITPAY_URLS} from '../../constants/config';
 import Braze from '@braze/react-native-sdk';
 import {dismissOnGoingProcessModal, setBrazeEid} from '../app/app.actions';
+import {DeviceEmitterEvents} from '../../constants/device-emitter-events';
+import {DeviceEventEmitter} from 'react-native';
 
 interface StartLoginParams {
   email: string;
@@ -59,10 +61,15 @@ export const startBitPayIdAnalyticsInit =
 
       // Check if Braze EID exists and different
       if (APP.brazeEid && APP.brazeEid !== eid) {
+        BrazeWrapper.startMergingUser();
         // Should migrate the user to the new EID
+        LogActions.info('Merging current user to new EID: ', eid);
         await BrazeWrapper.merge(APP.brazeEid, eid);
-        // Delete old user
-        await BrazeWrapper.delete(APP.brazeEid);
+        // Emit an event that delete the user
+        DeviceEventEmitter.emit(
+          DeviceEmitterEvents.SHOULD_DELETE_BRAZE_USER,
+          APP.brazeEid,
+        );
       }
 
       dispatch(setBrazeEid(eid));
@@ -456,7 +463,7 @@ const startPairAndLoadUser =
         );
       }
 
-      dispatch(startBitPayIdStoreInit(data.user));
+      await dispatch(startBitPayIdStoreInit(data.user));
       dispatch(CardEffects.startCardStoreInit(data.user));
       dispatch(ShopEffects.startFetchCatalog());
       dispatch(ShopEffects.startSyncGiftCards()).then(() =>