Retry delivery and read receipts for up to 24 hours

ts/background.ts

@@ -23,7 +23,8 @@ import type {
 } from './model-types.d';
 import * as Bytes from './Bytes';
 import * as Timers from './Timers';
-import type { WhatIsThis, DeliveryReceiptBatcherItemType } from './window.d';
+import type { WhatIsThis } from './window.d';
+import type { Receipt } from './types/Receipt';
 import { getTitleBarVisibility, TitleBarVisibility } from './types/Settings';
 import { SocketStatus } from './types/SocketStatus';
 import { DEFAULT_CONVERSATION_COLOR } from './types/Colors';
@@ -131,6 +132,7 @@ import { ToastConversationArchived } from './components/ToastConversationArchive
 import { ToastConversationUnarchived } from './components/ToastConversationUnarchived';
 import { showToast } from './util/showToast';
 import { startInteractionMode } from './windows/startInteractionMode';
+import { deliveryReceiptsJobQueue } from './jobs/deliveryReceiptsJobQueue';
 
 const MAX_ATTACHMENT_DOWNLOAD_AGE = 3600 * 72 * 1000;
 
@@ -378,59 +380,12 @@ export async function startApp(): Promise<void> {
   });
   window.Whisper.deliveryReceiptQueue.pause();
   window.Whisper.deliveryReceiptBatcher =
-    window.Signal.Util.createBatcher<DeliveryReceiptBatcherItemType>({
+    window.Signal.Util.createBatcher<Receipt>({
       name: 'Whisper.deliveryReceiptBatcher',
       wait: 500,
       maxSize: 100,
-      processBatch: async items => {
+      processBatch: async deliveryReceipts => {
-        const byConversationId = window._.groupBy(items, item =>
+        await deliveryReceiptsJobQueue.add({ deliveryReceipts });
-          window.ConversationController.ensureContactIds({
-            e164: item.source,
-            uuid: item.sourceUuid,
-          })
-        );
-        const ids = Object.keys(byConversationId);
-
-        for (let i = 0, max = ids.length; i < max; i += 1) {
-          const conversationId = ids[i];
-          const ourItems = byConversationId[conversationId];
-          const timestamps = ourItems.map(item => item.timestamp);
-          const messageIds = ourItems.map(item => item.messageId);
-
-          const c = window.ConversationController.get(conversationId);
-          if (!c) {
-            log.warn(
-              `deliveryReceiptBatcher: Conversation ${conversationId} does not exist! ` +
-                `Will not send delivery receipts for timestamps ${timestamps}`
-            );
-            continue;
-          }
-
-          const senderUuid = c.get('uuid');
-          const senderE164 = c.get('e164');
-
-          c.queueJob('sendDeliveryReceipt', async () => {
-            try {
-              const sendOptions = await getSendOptions(c.attributes);
-
-              // eslint-disable-next-line no-await-in-loop
-              await handleMessageSend(
-                window.textsecure.messaging.sendDeliveryReceipt({
-                  senderE164,
-                  senderUuid,
-                  timestamps,
-                  options: sendOptions,
-                }),
-                { messageIds, sendType: 'deliveryReceipt' }
-              );
-            } catch (error) {
-              log.error(
-                `Failed to send delivery receipt to ${senderE164}/${senderUuid} for timestamps ${timestamps}:`,
-                error && error.stack ? error.stack : error
-              );
-            }
-          });
-        }
       },
     });
 

ts/jobs/deliveryReceiptsJobQueue.ts

@@ -0,0 +1,45 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { z } from 'zod';
+import type { LoggerType } from '../types/Logging';
+import { exponentialBackoffMaxAttempts } from '../util/exponentialBackoff';
+import { receiptSchema, ReceiptType } from '../types/Receipt';
+import { MAX_RETRY_TIME, runReceiptJob } from './helpers/receiptHelpers';
+
+import { JobQueue } from './JobQueue';
+import { jobQueueDatabaseStore } from './JobQueueDatabaseStore';
+
+const deliveryReceiptsJobDataSchema = z.object({
+  deliveryReceipts: receiptSchema.array(),
+});
+
+type DeliveryReceiptsJobData = z.infer<typeof deliveryReceiptsJobDataSchema>;
+
+export class DeliveryReceiptsJobQueue extends JobQueue<DeliveryReceiptsJobData> {
+  protected parseData(data: unknown): DeliveryReceiptsJobData {
+    return deliveryReceiptsJobDataSchema.parse(data);
+  }
+
+  protected async run(
+    {
+      data,
+      timestamp,
+    }: Readonly<{ data: DeliveryReceiptsJobData; timestamp: number }>,
+    { attempt, log }: Readonly<{ attempt: number; log: LoggerType }>
+  ): Promise<void> {
+    await runReceiptJob({
+      attempt,
+      log,
+      timestamp,
+      receipts: data.deliveryReceipts,
+      type: ReceiptType.Delivery,
+    });
+  }
+}
+
+export const deliveryReceiptsJobQueue = new DeliveryReceiptsJobQueue({
+  store: jobQueueDatabaseStore,
+  queueType: 'delivery receipts',
+  maxAttempts: exponentialBackoffMaxAttempts(MAX_RETRY_TIME),
+});

ts/jobs/helpers/receiptHelpers.ts

@@ -0,0 +1,42 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import * as durations from '../../util/durations';
+import type { LoggerType } from '../../types/Logging';
+import type { Receipt, ReceiptType } from '../../types/Receipt';
+import { sendReceipts } from '../../util/sendReceipts';
+import { commonShouldJobContinue } from './commonShouldJobContinue';
+import { handleCommonJobRequestError } from './handleCommonJobRequestError';
+
+export const MAX_RETRY_TIME = durations.DAY;
+
+export async function runReceiptJob({
+  attempt,
+  log,
+  timestamp,
+  receipts,
+  type,
+}: Readonly<{
+  attempt: number;
+  log: LoggerType;
+  receipts: ReadonlyArray<Receipt>;
+  timestamp: number;
+  type: ReceiptType;
+}>): Promise<void> {
+  const timeRemaining = timestamp + MAX_RETRY_TIME - Date.now();
+
+  const shouldContinue = await commonShouldJobContinue({
+    attempt,
+    log,
+    timeRemaining,
+  });
+  if (!shouldContinue) {
+    return;
+  }
+
+  try {
+    await sendReceipts({ log, receipts, type });
+  } catch (err: unknown) {
+    await handleCommonJobRequestError({ err, log, timeRemaining });
+  }
+}

ts/jobs/initializeAllJobQueues.ts

@@ -3,8 +3,10 @@
 
 import type { WebAPIType } from '../textsecure/WebAPI';
 
+import { deliveryReceiptsJobQueue } from './deliveryReceiptsJobQueue';
 import { normalMessageSendJobQueue } from './normalMessageSendJobQueue';
 import { reactionJobQueue } from './reactionJobQueue';
+import { readReceiptsJobQueue } from './readReceiptsJobQueue';
 import { readSyncJobQueue } from './readSyncJobQueue';
 import { removeStorageKeyJobQueue } from './removeStorageKeyJobQueue';
 import { reportSpamJobQueue } from './reportSpamJobQueue';
@@ -21,8 +23,10 @@ export function initializeAllJobQueues({
 }): void {
   reportSpamJobQueue.initialize({ server });
 
+  deliveryReceiptsJobQueue.streamJobs();
   normalMessageSendJobQueue.streamJobs();
   reactionJobQueue.streamJobs();
+  readReceiptsJobQueue.streamJobs();
   readSyncJobQueue.streamJobs();
   removeStorageKeyJobQueue.streamJobs();
   reportSpamJobQueue.streamJobs();

ts/jobs/readReceiptsJobQueue.ts

@@ -0,0 +1,56 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { z } from 'zod';
+import type { LoggerType } from '../types/Logging';
+import { exponentialBackoffMaxAttempts } from '../util/exponentialBackoff';
+import type { StorageInterface } from '../types/Storage.d';
+import type { Receipt } from '../types/Receipt';
+import { receiptSchema, ReceiptType } from '../types/Receipt';
+import { MAX_RETRY_TIME, runReceiptJob } from './helpers/receiptHelpers';
+
+import { JobQueue } from './JobQueue';
+import { jobQueueDatabaseStore } from './JobQueueDatabaseStore';
+
+const readReceiptsJobDataSchema = z.object({
+  readReceipts: receiptSchema.array(),
+});
+
+type ReadReceiptsJobData = z.infer<typeof readReceiptsJobDataSchema>;
+
+export class ReadReceiptsJobQueue extends JobQueue<ReadReceiptsJobData> {
+  public async addIfAllowedByUser(
+    storage: Pick<StorageInterface, 'get'>,
+    readReceipts: Array<Receipt>
+  ): Promise<void> {
+    if (storage.get('read-receipt-setting')) {
+      await this.add({ readReceipts });
+    }
+  }
+
+  protected parseData(data: unknown): ReadReceiptsJobData {
+    return readReceiptsJobDataSchema.parse(data);
+  }
+
+  protected async run(
+    {
+      data,
+      timestamp,
+    }: Readonly<{ data: ReadReceiptsJobData; timestamp: number }>,
+    { attempt, log }: Readonly<{ attempt: number; log: LoggerType }>
+  ): Promise<void> {
+    await runReceiptJob({
+      attempt,
+      log,
+      timestamp,
+      receipts: data.readReceipts,
+      type: ReceiptType.Read,
+    });
+  }
+}
+
+export const readReceiptsJobQueue = new ReadReceiptsJobQueue({
+  store: jobQueueDatabaseStore,
+  queueType: 'read receipts',
+  maxAttempts: exponentialBackoffMaxAttempts(MAX_RETRY_TIME),
+});

ts/jobs/viewedReceiptsJobQueue.ts

@@ -2,26 +2,15 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import { z } from 'zod';
-import * as durations from '../util/durations';
 import type { LoggerType } from '../types/Logging';
 import { exponentialBackoffMaxAttempts } from '../util/exponentialBackoff';
-import { commonShouldJobContinue } from './helpers/commonShouldJobContinue';
+import { receiptSchema, ReceiptType } from '../types/Receipt';
-import { sendViewedReceipt } from '../util/sendViewedReceipt';
+import { MAX_RETRY_TIME, runReceiptJob } from './helpers/receiptHelpers';
 
 import { JobQueue } from './JobQueue';
 import { jobQueueDatabaseStore } from './JobQueueDatabaseStore';
-import { handleCommonJobRequestError } from './helpers/handleCommonJobRequestError';
 
-const MAX_RETRY_TIME = durations.DAY;
+const viewedReceiptsJobDataSchema = z.object({ viewedReceipt: receiptSchema });
-
-const viewedReceiptsJobDataSchema = z.object({
-  viewedReceipt: z.object({
-    messageId: z.string(),
-    senderE164: z.string().optional(),
-    senderUuid: z.string().optional(),
-    timestamp: z.number(),
-  }),
-});
 
 type ViewedReceiptsJobData = z.infer<typeof viewedReceiptsJobDataSchema>;
 
@@ -37,22 +26,13 @@ export class ViewedReceiptsJobQueue extends JobQueue<ViewedReceiptsJobData> {
     }: Readonly<{ data: ViewedReceiptsJobData; timestamp: number }>,
     { attempt, log }: Readonly<{ attempt: number; log: LoggerType }>
   ): Promise<void> {
-    const timeRemaining = timestamp + MAX_RETRY_TIME - Date.now();
+    await runReceiptJob({
-
-    const shouldContinue = await commonShouldJobContinue({
       attempt,
       log,
-      timeRemaining,
+      timestamp,
+      receipts: [data.viewedReceipt],
+      type: ReceiptType.Viewed,
     });
-    if (!shouldContinue) {
-      return;
-    }
-
-    try {
-      await sendViewedReceipt(data.viewedReceipt, log);
-    } catch (err: unknown) {
-      await handleCommonJobRequestError({ err, log, timeRemaining });
-    }
   }
 }
 

ts/models/conversations.ts

@@ -62,7 +62,6 @@ import { isConversationAccepted } from '../util/isConversationAccepted';
 import { markConversationRead } from '../util/markConversationRead';
 import { handleMessageSend } from '../util/handleMessageSend';
 import { getConversationMembers } from '../util/getConversationMembers';
-import { sendReadReceiptsFor } from '../util/sendReadReceiptsFor';
 import { updateConversationsWithUuidLookup } from '../updateConversationsWithUuidLookup';
 import { ReadStatus } from '../messages/MessageReadStatus';
 import { SendStatus } from '../messages/MessageSendState';
@@ -92,6 +91,7 @@ import {
   getMessagePropStatus,
 } from '../state/selectors/message';
 import { normalMessageSendJobQueue } from '../jobs/normalMessageSendJobQueue';
+import { readReceiptsJobQueue } from '../jobs/readReceiptsJobQueue';
 import { Deletes } from '../messageModifiers/Deletes';
 import type { ReactionModel } from '../messageModifiers/Reactions';
 import { isAnnouncementGroupReady } from '../util/isAnnouncementGroupReady';
@@ -1976,21 +1976,18 @@ export class ConversationModel extends window.Backbone
       const readMessages = messages.filter(
         m => !hasErrors(m.attributes) && isIncoming(m.attributes)
       );
-      const receiptSpecs = readMessages.map(m => ({
-        messageId: m.id,
-        senderE164: m.get('source'),
-        senderUuid: m.get('sourceUuid'),
-        senderId: window.ConversationController.ensureContactIds({
-          e164: m.get('source'),
-          uuid: m.get('sourceUuid'),
-        }),
-        timestamp: m.get('sent_at'),
-        hasErrors: hasErrors(m.attributes),
-      }));
 
       if (isLocalAction) {
         // eslint-disable-next-line no-await-in-loop
-        await sendReadReceiptsFor(this.attributes, receiptSpecs);
+        await readReceiptsJobQueue.addIfAllowedByUser(
+          window.storage,
+          readMessages.map(m => ({
+            messageId: m.id,
+            senderE164: m.get('source'),
+            senderUuid: m.get('sourceUuid'),
+            timestamp: m.get('sent_at'),
+          }))
+        );
       }
 
       // eslint-disable-next-line no-await-in-loop

ts/models/messages.ts

@@ -2524,8 +2524,8 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
         window.Whisper.deliveryReceiptQueue.add(() => {
           window.Whisper.deliveryReceiptBatcher.add({
             messageId,
-            source,
+            senderE164: source,
-            sourceUuid,
+            senderUuid: sourceUuid,
             timestamp: this.get('sent_at'),
           });
         });

ts/textsecure/SendMessage.ts

@@ -1584,7 +1584,7 @@ export default class MessageSender {
     });
   }
 
-  async sendReadReceipts(
+  async sendReadReceipt(
     options: Readonly<{
       senderE164?: string;
       senderUuid?: string;
@@ -1598,7 +1598,7 @@ export default class MessageSender {
     });
   }
 
-  async sendViewedReceipts(
+  async sendViewedReceipt(
     options: Readonly<{
       senderE164?: string;
       senderUuid?: string;

ts/types/Receipt.ts

@@ -0,0 +1,19 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { z } from 'zod';
+
+export const receiptSchema = z.object({
+  messageId: z.string(),
+  senderE164: z.string().optional(),
+  senderUuid: z.string().optional(),
+  timestamp: z.number(),
+});
+
+export enum ReceiptType {
+  Delivery = 'deliveryReceipt',
+  Read = 'readReceipt',
+  Viewed = 'viewedReceipt',
+}
+
+export type Receipt = z.infer<typeof receiptSchema>;

ts/util/markConversationRead.ts

@@ -2,8 +2,8 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import type { ConversationAttributesType } from '../model-types.d';
-import { sendReadReceiptsFor } from './sendReadReceiptsFor';
 import { hasErrors } from '../state/selectors/message';
+import { readReceiptsJobQueue } from '../jobs/readReceiptsJobQueue';
 import { readSyncJobQueue } from '../jobs/readSyncJobQueue';
 import { notificationService } from '../services/notifications';
 import * as log from '../logging/log';
@@ -115,7 +115,10 @@ export async function markConversationRead(
       readSyncJobQueue.add({ readSyncs });
     }
 
-    await sendReadReceiptsFor(conversationAttrs, unreadMessagesSyncData);
+    await readReceiptsJobQueue.addIfAllowedByUser(
+      window.storage,
+      allReadMessagesSync
+    );
   }
 
   window.Whisper.ExpiringMessagesListener.update();

ts/util/sendReadReceiptsFor.ts

@@ -1,65 +0,0 @@
-// Copyright 2021 Signal Messenger, LLC
-// SPDX-License-Identifier: AGPL-3.0-only
-
-import { chunk, groupBy, map } from 'lodash';
-import type { ConversationAttributesType } from '../model-types.d';
-import { getSendOptions } from './getSendOptions';
-import { handleMessageSend } from './handleMessageSend';
-import { isConversationAccepted } from './isConversationAccepted';
-import * as log from '../logging/log';
-
-type ReceiptSpecType = {
-  messageId: string;
-  senderE164?: string;
-  senderUuid?: string;
-  senderId?: string;
-  timestamp: number;
-  hasErrors: boolean;
-};
-
-const CHUNK_SIZE = 100;
-
-export async function sendReadReceiptsFor(
-  conversationAttrs: ConversationAttributesType,
-  items: Array<ReceiptSpecType>
-): Promise<void> {
-  // Only send read receipts for accepted conversations
-  if (
-    window.Events.getReadReceiptSetting() &&
-    isConversationAccepted(conversationAttrs)
-  ) {
-    log.info(`Sending ${items.length} read receipts`);
-    const sendOptions = await getSendOptions(conversationAttrs);
-    const receiptsBySender = groupBy(items, 'senderId');
-
-    await Promise.all(
-      map(receiptsBySender, async (receipts, senderId) => {
-        const conversation = window.ConversationController.get(senderId);
-
-        if (!conversation) {
-          return;
-        }
-
-        const batches = chunk(receipts, CHUNK_SIZE);
-        await Promise.all(
-          batches.map(batch => {
-            const timestamps = map(batch, item => item.timestamp);
-            const messageIds = map(batch, item => item.messageId);
-
-            return handleMessageSend(
-              window.textsecure.messaging.sendReadReceipts({
-                // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-                senderE164: conversation.get('e164')!,
-                // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-                senderUuid: conversation.get('uuid')!,
-                timestamps,
-                options: sendOptions,
-              }),
-              { messageIds, sendType: 'readReceipt' }
-            );
-          })
-        );
-      })
-    );
-  }
-}

ts/util/sendReceipts.ts

@@ -0,0 +1,116 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { chunk } from 'lodash';
+import type { LoggerType } from '../types/Logging';
+import type { Receipt } from '../types/Receipt';
+import { ReceiptType } from '../types/Receipt';
+import { getSendOptions } from './getSendOptions';
+import { handleMessageSend } from './handleMessageSend';
+import { isConversationAccepted } from './isConversationAccepted';
+import { map } from './iterables';
+import { missingCaseError } from './missingCaseError';
+
+const CHUNK_SIZE = 100;
+
+export async function sendReceipts({
+  log,
+  receipts,
+  type,
+}: Readonly<{
+  log: LoggerType;
+  receipts: ReadonlyArray<Receipt>;
+  type: ReceiptType;
+}>): Promise<void> {
+  let requiresUserSetting: boolean;
+  let methodName:
+    | 'sendDeliveryReceipt'
+    | 'sendReadReceipt'
+    | 'sendViewedReceipt';
+  switch (type) {
+    case ReceiptType.Delivery:
+      requiresUserSetting = false;
+      methodName = 'sendDeliveryReceipt';
+      break;
+    case ReceiptType.Read:
+      requiresUserSetting = true;
+      methodName = 'sendReadReceipt';
+      break;
+    case ReceiptType.Viewed:
+      requiresUserSetting = true;
+      methodName = 'sendViewedReceipt';
+      break;
+    default:
+      throw missingCaseError(type);
+  }
+
+  if (requiresUserSetting && !window.storage.get('read-receipt-setting')) {
+    log.info('requires user setting. Not sending these receipts');
+    return;
+  }
+
+  const receiptsBySenderId: Map<string, Array<Receipt>> = receipts.reduce(
+    (result, receipt) => {
+      const { senderE164, senderUuid } = receipt;
+      if (!senderE164 && !senderUuid) {
+        log.error('no sender E164 or UUID. Skipping this receipt');
+        return result;
+      }
+
+      const senderId = window.ConversationController.ensureContactIds({
+        e164: senderE164,
+        uuid: senderUuid,
+      });
+      if (!senderId) {
+        throw new Error(
+          'no conversation found with that E164/UUID. Cannot send this receipt'
+        );
+      }
+
+      const existingGroup = result.get(senderId);
+      if (existingGroup) {
+        existingGroup.push(receipt);
+      } else {
+        result.set(senderId, [receipt]);
+      }
+
+      return result;
+    },
+    new Map()
+  );
+
+  await Promise.all(
+    map(receiptsBySenderId, async ([senderId, receiptsForSender]) => {
+      const sender = window.ConversationController.get(senderId);
+      if (!sender) {
+        throw new Error(
+          'despite having a conversation ID, no conversation was found'
+        );
+      }
+
+      if (!isConversationAccepted(sender.attributes)) {
+        return;
+      }
+
+      const sendOptions = await getSendOptions(sender.attributes);
+
+      const batches = chunk(receiptsForSender, CHUNK_SIZE);
+      await Promise.all(
+        map(batches, async batch => {
+          const timestamps = batch.map(receipt => receipt.timestamp);
+          const messageIds = batch.map(receipt => receipt.messageId);
+
+          await handleMessageSend(
+            window.textsecure.messaging[methodName]({
+              senderE164: sender.get('e164'),
+              senderUuid: sender.get('uuid'),
+              timestamps,
+              options: sendOptions,
+            }),
+            { messageIds, sendType: type }
+          );
+        })
+      );
+    })
+  );
+}

ts/util/sendViewedReceipt.ts

@@ -1,73 +0,0 @@
-// Copyright 2021 Signal Messenger, LLC
-// SPDX-License-Identifier: AGPL-3.0-only
-
-import type { ConversationAttributesType } from '../model-types.d';
-import type { LoggerType } from '../types/Logging';
-import { getSendOptions } from './getSendOptions';
-import { handleMessageSend } from './handleMessageSend';
-import { isConversationAccepted } from './isConversationAccepted';
-
-export async function sendViewedReceipt(
-  {
-    messageId,
-    senderE164,
-    senderUuid,
-    timestamp,
-  }: Readonly<{
-    messageId: string;
-    senderE164?: string;
-    senderUuid?: string;
-    timestamp: number;
-  }>,
-  log: LoggerType
-): Promise<void> {
-  if (!window.storage.get('read-receipt-setting')) {
-    return;
-  }
-
-  // We introduced a bug in `75f0cd50beff73885ebae92e4ac977de9f56d6c9` where we'd enqueue
-  //   jobs that had no sender information. These jobs cannot possibly succeed. This
-  //   removes them from the queue to avoid constantly retrying something.
-  //
-  // We should be able to safely remove this check after the fix has been present for
-  //   awhile. Probably ~40 days from when this is first deployed (30 days to unlink + 10
-  //   days of buffer).
-  if (!senderE164 && !senderUuid) {
-    log.error(
-      'sendViewedReceipt: no sender E164 or UUID. Cannot possibly complete this job. Giving up'
-    );
-    return;
-  }
-
-  const conversationId = window.ConversationController.ensureContactIds({
-    e164: senderE164,
-    uuid: senderUuid,
-  });
-  if (!conversationId) {
-    throw new Error(
-      'sendViewedReceipt: no conversation found with that E164/UUID'
-    );
-  }
-
-  const conversation = window.ConversationController.get(conversationId);
-  if (!conversation) {
-    throw new Error(
-      'sendViewedReceipt: no conversation found with that conversation ID, even though we found the ID with E164/UUID?'
-    );
-  }
-
-  const conversationAttrs: ConversationAttributesType = conversation.attributes;
-  if (!isConversationAccepted(conversationAttrs)) {
-    return;
-  }
-
-  await handleMessageSend(
-    window.textsecure.messaging.sendViewedReceipts({
-      senderE164,
-      senderUuid,
-      timestamps: [timestamp],
-      options: await getSendOptions(conversationAttrs),
-    }),
-    { messageIds: [messageId], sendType: 'viewedReceipt' }
-  );
-}

ts/window.d.ts

@@ -35,6 +35,7 @@ import { getEnvironment } from './environment';
 import * as zkgroup from './util/zkgroup';
 import { LocalizerType, BodyRangesType, BodyRangeType } from './types/Util';
 import * as EmbeddedContact from './types/EmbeddedContact';
+import type { Receipt } from './types/Receipt';
 import * as Errors from './types/errors';
 import { ConversationController } from './ConversationController';
 import { ReduxActions } from './state/types';
@@ -523,13 +524,6 @@ export class CanvasVideoRenderer {
   constructor(canvas: Ref<HTMLCanvasElement>);
 }
 
-export type DeliveryReceiptBatcherItemType = {
-  messageId: string;
-  source?: string;
-  sourceUuid?: string;
-  timestamp: number;
-};
-
 export class AnyViewClass extends window.Backbone.View<any> {
   public headerTitle?: string;
   static show(view: typeof AnyViewClass, element: Element): void;
@@ -551,7 +545,7 @@ export type WhisperType = {
   WallClockListener: WhatIsThis;
 
   deliveryReceiptQueue: PQueue;
-  deliveryReceiptBatcher: BatcherType<DeliveryReceiptBatcherItemType>;
+  deliveryReceiptBatcher: BatcherType<Receipt>;
   events: Backbone.Events;
   activeConfirmationView: WhatIsThis;