diff --git a/web/shared-worker/sqlite-data-handler.js b/web/shared-worker/sqlite-data-handler.js
index 57bb53729..61d6c13f6 100644
--- a/web/shared-worker/sqlite-data-handler.js
+++ b/web/shared-worker/sqlite-data-handler.js
@@ -1,92 +1,92 @@
 // @flow
 
 import * as React from 'react';
 
 import { shouldClearData } from 'lib/shared/data-utils.js';
 import { getMessageForException } from 'lib/utils/errors.js';
 import { useDispatch } from 'lib/utils/redux-utils.js';
 
 import { getCommSharedWorker } from './shared-worker-provider.js';
 import { useSelector } from '../redux/redux-utils.js';
 import { workerRequestMessageTypes } from '../types/worker-types.js';
 
 function SQLiteDataHandler(): React.Node {
   const dispatch = useDispatch();
   const rehydrateConcluded = useSelector(
     state => !!(state._persist && state._persist.rehydrated),
   );
   const currentLoggedInUserID = useSelector(state =>
     state.currentUserInfo?.anonymous ? undefined : state.currentUserInfo?.id,
   );
 
   const handleSensitiveData = React.useCallback(async () => {
     const sharedWorker = await getCommSharedWorker();
     let currentDBUserID,
       errorGettingUserID = false;
     try {
       const currentUserData = await sharedWorker.schedule({
-        type: workerRequestMessageTypes.GET_CURRENT_USER_ID,
+        type: workerRequestMessageTypes.GET_SQLITE_STAMPED_USER_ID,
       });
       currentDBUserID = currentUserData?.userID;
     } catch (error) {
       errorGettingUserID = true;
       console.error(
         `Error setting current user ID: ${
           getMessageForException(error) ?? 'unknown'
         }`,
       );
     }
 
     if (
       errorGettingUserID ||
       shouldClearData(currentDBUserID, currentLoggedInUserID)
     ) {
       try {
         await sharedWorker.init({ clearDatabase: true });
       } catch (error) {
         console.error(
           `Error clearing sensitive data: ${
             getMessageForException(error) ?? 'unknown'
           }`,
         );
         // We return here to avoid assigning new user to old data
         return;
       }
     }
 
     if (currentLoggedInUserID && currentLoggedInUserID !== currentDBUserID) {
       try {
         await sharedWorker.schedule({
-          type: workerRequestMessageTypes.SET_CURRENT_USER_ID,
+          type: workerRequestMessageTypes.STAMP_SQLITE_DB_USER_ID,
           userID: currentLoggedInUserID,
         });
       } catch (error) {
         console.error(
           `Error setting current user ID: ${
             getMessageForException(error) ?? 'unknown'
           }`,
         );
       }
     }
   }, [currentLoggedInUserID]);
 
   React.useEffect(() => {
     void (async () => {
       const sharedWorker = await getCommSharedWorker();
 
       if (!rehydrateConcluded) {
         return;
       }
 
       const isSupported = await sharedWorker.isSupported();
       if (!isSupported) {
         return;
       }
       await handleSensitiveData();
     })();
   }, [dispatch, handleSensitiveData, rehydrateConcluded]);
 
   return null;
 }
 
 export { SQLiteDataHandler };
diff --git a/web/shared-worker/utils/constants.js b/web/shared-worker/utils/constants.js
index 7bd3027cd..1728fe6ff 100644
--- a/web/shared-worker/utils/constants.js
+++ b/web/shared-worker/utils/constants.js
@@ -1,69 +1,69 @@
 // @flow
 
 import localforage from 'localforage';
 
 export const SQLITE_CONTENT = 'sqliteFileContent';
 export const SQLITE_ENCRYPTION_KEY = 'encryptionKey';
 
-export const CURRENT_USER_ID_KEY = 'current_user_id';
+export const SQLITE_STAMPED_USER_ID_KEY = 'current_user_id';
 
 export const DATABASE_WORKER_PATH = 'worker/database';
 export const WORKERS_MODULES_DIR_PATH = '/compiled/webworkers';
 
 export const DEFAULT_COMM_QUERY_EXECUTOR_FILENAME = 'comm_query_executor.wasm';
 export const DEFAULT_BACKUP_CLIENT_FILENAME = 'backup-client-wasm_bg.wasm';
 
 export const DEFAULT_OLM_FILENAME = 'olm.wasm';
 
 export const DEFAULT_WEBWORKERS_OPAQUE_FILENAME = 'comm_opaque2_wasm_bg.wasm';
 
 export const COMM_SQLITE_DATABASE_PATH = 'comm.sqlite';
 export const COMM_SQLITE_BACKUP_RESTORE_DATABASE_PATH =
   'comm_backup_restore.sqlite';
 
 export const NOTIFICATIONS_OLM_DATA_CONTENT = 'notificationsOlmDataContent';
 
 export const NOTIFICATIONS_OLM_DATA_ENCRYPTION_KEY =
   'notificationsOlmDataEncryptionKey';
 
 export const DB_SUPPORTED_OS: $ReadOnlyArray<string> = [
   'Windows 10',
   'Linux',
   'Mac OS',
 ];
 
 export const DB_SUPPORTED_BROWSERS: $ReadOnlyArray<string> = [
   'edge',
   'edge-chromium',
   'chrome',
   'firefox',
   'opera',
   'safari',
 ];
 
 export const localforageConfig: PartialConfig = {
   driver: localforage.INDEXEDDB,
   name: 'comm',
   storeName: 'commStorage',
   description: 'Comm encrypted database storage',
   version: '1.0',
 };
 
 declare var baseURL: string;
 declare var olmFilename: string;
 export function getOlmWasmPath(): string {
   const origin = window.location.origin;
   const olmWasmDirPath = `${origin}${baseURL}${WORKERS_MODULES_DIR_PATH}`;
   const olmWasmFilename = olmFilename ? olmFilename : DEFAULT_OLM_FILENAME;
   return `${olmWasmDirPath}/${olmWasmFilename}`;
 }
 
 declare var webworkersOpaqueFilename: string;
 export function getOpaqueWasmPath(): string {
   const origin = window.location.origin;
   const opaqueWasmDirPath = `${origin}${baseURL}${WORKERS_MODULES_DIR_PATH}`;
   const opaqueWasmFilename = webworkersOpaqueFilename
     ? webworkersOpaqueFilename
     : DEFAULT_WEBWORKERS_OPAQUE_FILENAME;
   return `${opaqueWasmDirPath}/${opaqueWasmFilename}`;
 }
diff --git a/web/shared-worker/worker/shared-worker.js b/web/shared-worker/worker/shared-worker.js
index 62042823a..730986d5b 100644
--- a/web/shared-worker/worker/shared-worker.js
+++ b/web/shared-worker/worker/shared-worker.js
@@ -1,349 +1,353 @@
 // @flow
 
 import localforage from 'localforage';
 
 import { getMessageForException } from 'lib/utils/errors.js';
 
 import { restoreBackup } from './backup.js';
 import { processAppIdentityClientRequest } from './identity-client.js';
 import {
   getClientStoreFromQueryExecutor,
   processDBStoreOperations,
 } from './process-operations.js';
 import { clearCryptoStore, processAppOlmApiRequest } from './worker-crypto.js';
 import {
   getDBModule,
   getSQLiteQueryExecutor,
   setDBModule,
   setSQLiteQueryExecutor,
   getPlatformDetails,
   setPlatformDetails,
 } from './worker-database.js';
 import initBackupClientModule from '../../backup-client-wasm/wasm/backup-client-wasm.js';
 import {
   decryptData,
   encryptData,
   generateCryptoKey,
   importJWKKey,
   type EncryptedData,
 } from '../../crypto/aes-gcm-crypto-utils.js';
 import {
   type SharedWorkerMessageEvent,
   type WorkerRequestMessage,
   type WorkerResponseMessage,
   workerRequestMessageTypes,
   workerResponseMessageTypes,
   type WorkerRequestProxyMessage,
   workerWriteRequests,
   workerOlmAPIRequests,
 } from '../../types/worker-types.js';
 import { workerIdentityClientRequests } from '../../types/worker-types.js';
 import { getDatabaseModule } from '../db-module.js';
 import {
   COMM_SQLITE_DATABASE_PATH,
-  CURRENT_USER_ID_KEY,
+  SQLITE_STAMPED_USER_ID_KEY,
   localforageConfig,
   SQLITE_CONTENT,
   SQLITE_ENCRYPTION_KEY,
   DEFAULT_BACKUP_CLIENT_FILENAME,
 } from '../utils/constants.js';
 import {
   clearSensitiveData,
   exportDatabaseContent,
   importDatabaseContent,
 } from '../utils/db-utils.js';
 
 localforage.config(localforageConfig);
 
 let encryptionKey: ?CryptoKey = null;
 
 let persistNeeded: boolean = false;
 let persistInProgress: boolean = false;
 
 async function initDatabase(
   webworkerModulesFilePath: string,
   commQueryExecutorFilename: ?string,
   encryptionKeyJWK?: ?SubtleCrypto$JsonWebKey,
 ) {
   const dbModule = getDBModule();
   const sqliteQueryExecutor = getSQLiteQueryExecutor();
   if (!!dbModule && !!sqliteQueryExecutor) {
     console.log('Database already initialized');
     return;
   }
 
   const newModule = dbModule
     ? dbModule
     : getDatabaseModule(commQueryExecutorFilename, webworkerModulesFilePath);
   if (!dbModule) {
     setDBModule(newModule);
   }
 
   if (encryptionKeyJWK) {
     encryptionKey = await importJWKKey(encryptionKeyJWK);
   } else {
     encryptionKey = await localforage.getItem(SQLITE_ENCRYPTION_KEY);
     if (!encryptionKey) {
       const cryptoKey = await generateCryptoKey({ extractable: false });
       await localforage.setItem(SQLITE_ENCRYPTION_KEY, cryptoKey);
     }
   }
 
   const encryptedContent =
     await localforage.getItem<EncryptedData>(SQLITE_CONTENT);
 
   let dbContent = null;
   try {
     if (encryptionKey && encryptedContent) {
       dbContent = await decryptData(encryptedContent, encryptionKey);
     }
   } catch (e) {
     console.error('Error while decrypting content, clearing database content');
     await localforage.removeItem(SQLITE_CONTENT);
   }
 
   if (dbContent) {
     importDatabaseContent(dbContent, newModule, COMM_SQLITE_DATABASE_PATH);
 
     console.info(
       'Database exists and is properly encrypted, using persisted data',
     );
   } else {
     console.info('Creating fresh database');
   }
   setSQLiteQueryExecutor(
     new newModule.SQLiteQueryExecutor(COMM_SQLITE_DATABASE_PATH),
   );
 }
 
 async function initBackupClient(
   webworkerModulesFilePath: string,
   backupClientFilename: ?string,
 ) {
   let modulePath;
   if (backupClientFilename) {
     modulePath = `${webworkerModulesFilePath}/${backupClientFilename}`;
   } else {
     modulePath = `${webworkerModulesFilePath}/${DEFAULT_BACKUP_CLIENT_FILENAME}`;
   }
   await initBackupClientModule(modulePath);
 }
 
 async function persist() {
   persistInProgress = true;
   const sqliteQueryExecutor = getSQLiteQueryExecutor();
   const dbModule = getDBModule();
   if (!sqliteQueryExecutor || !dbModule) {
     persistInProgress = false;
     throw new Error(
       'Database not initialized while persisting database content',
     );
   }
 
   if (!encryptionKey) {
     encryptionKey = await localforage.getItem(SQLITE_ENCRYPTION_KEY);
   }
 
   while (persistNeeded) {
     persistNeeded = false;
     const dbData = exportDatabaseContent(dbModule, COMM_SQLITE_DATABASE_PATH);
     if (!encryptionKey) {
       persistInProgress = false;
       throw new Error('Encryption key is missing');
     }
     const encryptedData = await encryptData(dbData, encryptionKey);
     await localforage.setItem(SQLITE_CONTENT, encryptedData);
   }
   persistInProgress = false;
 }
 
 async function processAppRequest(
   message: WorkerRequestMessage,
 ): Promise<?WorkerResponseMessage> {
   // non-database operations
   if (message.type === workerRequestMessageTypes.PING) {
     return {
       type: workerResponseMessageTypes.PONG,
       text: 'PONG',
     };
   } else if (
     message.type === workerRequestMessageTypes.GENERATE_DATABASE_ENCRYPTION_KEY
   ) {
     const cryptoKey = await generateCryptoKey({ extractable: false });
     await localforage.setItem(SQLITE_ENCRYPTION_KEY, cryptoKey);
     return undefined;
   }
 
   const sqliteQueryExecutor = getSQLiteQueryExecutor();
   const dbModule = getDBModule();
 
   // database operations
   if (message.type === workerRequestMessageTypes.INIT) {
     setPlatformDetails(message.platformDetails);
     const promises = [
       initDatabase(
         message.webworkerModulesFilePath,
         message.commQueryExecutorFilename,
         message.encryptionKey,
       ),
     ];
     if (message.backupClientFilename !== undefined) {
       promises.push(
         initBackupClient(
           message.webworkerModulesFilePath,
           message.backupClientFilename,
         ),
       );
     }
     await Promise.all(promises);
     return undefined;
   } else if (message.type === workerRequestMessageTypes.CLEAR_SENSITIVE_DATA) {
     clearCryptoStore();
     encryptionKey = null;
     await localforage.clear();
     if (dbModule && sqliteQueryExecutor) {
       clearSensitiveData(
         dbModule,
         COMM_SQLITE_DATABASE_PATH,
         sqliteQueryExecutor,
       );
     }
     setSQLiteQueryExecutor(null);
     return undefined;
   }
 
   if (!sqliteQueryExecutor) {
     throw new Error(
       `Database not initialized, unable to process request type: ${message.type}`,
     );
   }
 
   // read-only operations
   if (message.type === workerRequestMessageTypes.GET_CLIENT_STORE) {
     return {
       type: workerResponseMessageTypes.CLIENT_STORE,
       store: getClientStoreFromQueryExecutor(sqliteQueryExecutor),
     };
-  } else if (message.type === workerRequestMessageTypes.GET_CURRENT_USER_ID) {
+  } else if (
+    message.type === workerRequestMessageTypes.GET_SQLITE_STAMPED_USER_ID
+  ) {
     return {
-      type: workerResponseMessageTypes.GET_CURRENT_USER_ID,
-      userID: sqliteQueryExecutor.getMetadata(CURRENT_USER_ID_KEY),
+      type: workerResponseMessageTypes.GET_SQLITE_STAMPED_USER_ID,
+      userID: sqliteQueryExecutor.getMetadata(SQLITE_STAMPED_USER_ID_KEY),
     };
   } else if (
     message.type === workerRequestMessageTypes.GET_PERSIST_STORAGE_ITEM
   ) {
     return {
       type: workerResponseMessageTypes.GET_PERSIST_STORAGE_ITEM,
       item: sqliteQueryExecutor.getPersistStorageItem(message.key),
     };
   }
 
   // write operations
   const isOlmAPIRequest = workerOlmAPIRequests.includes(message.type);
   const isIdentityClientRequest = workerIdentityClientRequests.includes(
     message.type,
   );
   if (
     !workerWriteRequests.includes(message.type) &&
     !isOlmAPIRequest &&
     !isIdentityClientRequest
   ) {
     throw new Error(`Request type ${message.type} not supported`);
   }
   if (!sqliteQueryExecutor || !dbModule) {
     throw new Error(
       `Database not initialized, unable to process request type: ${message.type}`,
     );
   }
 
   let result;
   if (isOlmAPIRequest) {
     result = await processAppOlmApiRequest(message);
   } else if (isIdentityClientRequest) {
     const platformDetails = getPlatformDetails();
     if (!platformDetails) {
       throw new Error(
         'Platform details not set, unable to process identity client request',
       );
     }
     result = await processAppIdentityClientRequest(
       sqliteQueryExecutor,
       dbModule,
       platformDetails,
       message,
     );
   } else if (
     message.type === workerRequestMessageTypes.PROCESS_STORE_OPERATIONS
   ) {
     processDBStoreOperations(
       sqliteQueryExecutor,
       message.storeOperations,
       dbModule,
     );
-  } else if (message.type === workerRequestMessageTypes.SET_CURRENT_USER_ID) {
-    sqliteQueryExecutor.setMetadata(CURRENT_USER_ID_KEY, message.userID);
+  } else if (
+    message.type === workerRequestMessageTypes.STAMP_SQLITE_DB_USER_ID
+  ) {
+    sqliteQueryExecutor.setMetadata(SQLITE_STAMPED_USER_ID_KEY, message.userID);
   } else if (
     message.type === workerRequestMessageTypes.SET_PERSIST_STORAGE_ITEM
   ) {
     sqliteQueryExecutor.setPersistStorageItem(message.key, message.item);
   } else if (
     message.type === workerRequestMessageTypes.REMOVE_PERSIST_STORAGE_ITEM
   ) {
     sqliteQueryExecutor.removePersistStorageItem(message.key);
   } else if (message.type === workerRequestMessageTypes.BACKUP_RESTORE) {
     await restoreBackup(
       sqliteQueryExecutor,
       dbModule,
       message.authMetadata,
       message.backupID,
       message.backupDataKey,
       message.backupLogDataKey,
     );
   }
 
   persistNeeded = true;
   if (!persistInProgress) {
     void persist();
   }
 
   return result;
 }
 
 let currentlyProcessedMessage: ?Promise<void> = null;
 
 function connectHandler(event: SharedWorkerMessageEvent) {
   if (!event.ports.length) {
     return;
   }
   const port: MessagePort = event.ports[0];
   console.log('Web database worker alive!');
 
   port.onmessage = async function (messageEvent: MessageEvent) {
     const data: WorkerRequestProxyMessage = (messageEvent.data: any);
     const { id, message } = data;
 
     if (!id) {
       port.postMessage({
         error: 'Request without identifier',
       });
     }
 
     currentlyProcessedMessage = (async () => {
       await currentlyProcessedMessage;
       try {
         const result = await processAppRequest(message);
         port.postMessage({
           id,
           message: result,
         });
       } catch (e) {
         port.postMessage({
           id,
           error: getMessageForException(e),
         });
       }
     })();
   };
 }
 
 self.addEventListener('connect', connectHandler);
diff --git a/web/types/worker-types.js b/web/types/worker-types.js
index 025230faf..25a51aa2c 100644
--- a/web/types/worker-types.js
+++ b/web/types/worker-types.js
@@ -1,235 +1,235 @@
 // @flow
 
 import type { AuthMetadata } from 'lib/shared/identity-client-context.js';
 import type {
   PickledOLMAccount,
   OLMIdentityKeys,
   OlmAPI,
 } from 'lib/types/crypto-types.js';
 import type { PlatformDetails } from 'lib/types/device-types.js';
 import type {
   IdentityServiceClient,
   IdentityServiceAuthLayer,
 } from 'lib/types/identity-service-types.js';
 import type {
   ClientDBStore,
   ClientDBStoreOperations,
 } from 'lib/types/store-ops-types.js';
 
 // The types of messages sent from app to worker
 export const workerRequestMessageTypes = Object.freeze({
   PING: 0,
   INIT: 1,
   GENERATE_DATABASE_ENCRYPTION_KEY: 2,
   PROCESS_STORE_OPERATIONS: 3,
   GET_CLIENT_STORE: 4,
-  SET_CURRENT_USER_ID: 5,
-  GET_CURRENT_USER_ID: 6,
+  STAMP_SQLITE_DB_USER_ID: 5,
+  GET_SQLITE_STAMPED_USER_ID: 6,
   GET_PERSIST_STORAGE_ITEM: 7,
   SET_PERSIST_STORAGE_ITEM: 8,
   REMOVE_PERSIST_STORAGE_ITEM: 9,
   CLEAR_SENSITIVE_DATA: 10,
   BACKUP_RESTORE: 11,
   INITIALIZE_CRYPTO_ACCOUNT: 12,
   CREATE_IDENTITY_SERVICE_CLIENT: 13,
   CALL_IDENTITY_CLIENT_METHOD: 14,
   CALL_OLM_API_METHOD: 15,
 });
 
 export const workerWriteRequests: $ReadOnlyArray<number> = [
   workerRequestMessageTypes.PROCESS_STORE_OPERATIONS,
-  workerRequestMessageTypes.SET_CURRENT_USER_ID,
+  workerRequestMessageTypes.STAMP_SQLITE_DB_USER_ID,
   workerRequestMessageTypes.SET_PERSIST_STORAGE_ITEM,
   workerRequestMessageTypes.REMOVE_PERSIST_STORAGE_ITEM,
   workerRequestMessageTypes.BACKUP_RESTORE,
   workerRequestMessageTypes.INITIALIZE_CRYPTO_ACCOUNT,
 ];
 
 export const workerOlmAPIRequests: $ReadOnlyArray<number> = [
   workerRequestMessageTypes.INITIALIZE_CRYPTO_ACCOUNT,
   workerRequestMessageTypes.CALL_OLM_API_METHOD,
 ];
 
 export const workerIdentityClientRequests: $ReadOnlyArray<number> = [
   workerRequestMessageTypes.CREATE_IDENTITY_SERVICE_CLIENT,
   workerRequestMessageTypes.CALL_IDENTITY_CLIENT_METHOD,
 ];
 
 export type PingWorkerRequestMessage = {
   +type: 0,
   +text: string,
 };
 
 export type InitWorkerRequestMessage = {
   +type: 1,
   +platformDetails: PlatformDetails,
   +webworkerModulesFilePath: string,
   +commQueryExecutorFilename: ?string,
   +encryptionKey?: ?SubtleCrypto$JsonWebKey,
   +backupClientFilename?: ?string,
 };
 
 export type GenerateDatabaseEncryptionKeyRequestMessage = {
   +type: 2,
 };
 
 export type ProcessStoreOperationsRequestMessage = {
   +type: 3,
   +storeOperations: ClientDBStoreOperations,
 };
 
 export type GetClientStoreRequestMessage = {
   +type: 4,
 };
 
 export type SetCurrentUserIDRequestMessage = {
   +type: 5,
   +userID: string,
 };
 
 export type GetCurrentUserIDRequestMessage = {
   +type: 6,
 };
 
 export type GetPersistStorageItemRequestMessage = {
   +type: 7,
   +key: string,
 };
 
 export type SetPersistStorageItemRequestMessage = {
   +type: 8,
   +key: string,
   +item: string,
 };
 
 export type RemovePersistStorageItemRequestMessage = {
   +type: 9,
   +key: string,
 };
 
 export type ClearSensitiveDataRequestMessage = {
   +type: 10,
 };
 
 export type BackupRestoreRequestMessage = {
   +type: 11,
   +authMetadata: AuthMetadata,
   +backupID: string,
   +backupDataKey: string,
   +backupLogDataKey: string,
 };
 
 // Previously used on web in redux. Now only used
 // in a migration to the shared worker.
 export type LegacyCryptoStore = {
   +primaryAccount: PickledOLMAccount,
   +primaryIdentityKeys: OLMIdentityKeys,
   +notificationAccount: PickledOLMAccount,
   +notificationIdentityKeys: OLMIdentityKeys,
 };
 export type InitializeCryptoAccountRequestMessage = {
   +type: 12,
   +olmWasmPath: string,
   +initialCryptoStore?: LegacyCryptoStore,
 };
 
 export type CreateIdentityServiceClientRequestMessage = {
   +type: 13,
   +opaqueWasmPath: string,
   +authLayer: ?IdentityServiceAuthLayer,
 };
 
 export type CallIdentityClientMethodRequestMessage = {
   +type: 14,
   +method: $Keys<IdentityServiceClient>,
   +args: $ReadOnlyArray<mixed>,
 };
 
 export type CallOLMApiMethodRequestMessage = {
   +type: 15,
   +method: $Keys<OlmAPI>,
   +args: $ReadOnlyArray<mixed>,
 };
 
 export type WorkerRequestMessage =
   | PingWorkerRequestMessage
   | InitWorkerRequestMessage
   | GenerateDatabaseEncryptionKeyRequestMessage
   | ProcessStoreOperationsRequestMessage
   | GetClientStoreRequestMessage
   | SetCurrentUserIDRequestMessage
   | GetCurrentUserIDRequestMessage
   | GetPersistStorageItemRequestMessage
   | SetPersistStorageItemRequestMessage
   | RemovePersistStorageItemRequestMessage
   | ClearSensitiveDataRequestMessage
   | BackupRestoreRequestMessage
   | InitializeCryptoAccountRequestMessage
   | CreateIdentityServiceClientRequestMessage
   | CallIdentityClientMethodRequestMessage
   | CallOLMApiMethodRequestMessage;
 
 export type WorkerRequestProxyMessage = {
   +id: number,
   +message: WorkerRequestMessage,
 };
 
 // The types of messages sent from worker to app
 export const workerResponseMessageTypes = Object.freeze({
   PONG: 0,
   CLIENT_STORE: 1,
-  GET_CURRENT_USER_ID: 2,
+  GET_SQLITE_STAMPED_USER_ID: 2,
   GET_PERSIST_STORAGE_ITEM: 3,
   CALL_IDENTITY_CLIENT_METHOD: 4,
   CALL_OLM_API_METHOD: 5,
 });
 
 export type PongWorkerResponseMessage = {
   +type: 0,
   +text: string,
 };
 
 export type ClientStoreResponseMessage = {
   +type: 1,
   +store: ClientDBStore,
 };
 
 export type GetCurrentUserIDResponseMessage = {
   +type: 2,
   +userID: ?string,
 };
 
 export type GetPersistStorageItemResponseMessage = {
   +type: 3,
   +item: string,
 };
 
 export type CallIdentityClientMethodResponseMessage = {
   +type: 4,
   +result: mixed,
 };
 
 export type CallOLMApiMethodResponseMessage = {
   +type: 5,
   +result: mixed,
 };
 
 export type WorkerResponseMessage =
   | PongWorkerResponseMessage
   | ClientStoreResponseMessage
   | GetCurrentUserIDResponseMessage
   | GetPersistStorageItemResponseMessage
   | CallIdentityClientMethodResponseMessage
   | CallOLMApiMethodResponseMessage;
 
 export type WorkerResponseProxyMessage = {
   +id?: number,
   +message?: WorkerResponseMessage,
   +error?: string,
 };
 
 // SharedWorker types
 export type SharedWorkerMessageEvent = MessageEvent & {
   +ports: $ReadOnlyArray<MessagePort>,
   ...
 };