Make option "anti_spam_bot_user_id" public and allow to load the user without network request.

td/telegram/ConfigManager.cpp

@@ -1853,7 +1853,7 @@ void ConfigManager::process_app_config(tl_object_ptr<telegram_api::JSONValue> &c
       }
       if (key == "telegram_antispam_user_id") {
         auto setting_value = get_json_value_long(std::move(key_value->value_), key);
-        G()->set_option_integer("telegram_antispam_user_id", setting_value);
+        G()->set_option_integer("anti_spam_bot_user_id", setting_value);
         continue;
       }
       if (key == "telegram_antispam_group_size_min") {

td/telegram/ContactsManager.cpp

@@ -3712,6 +3712,9 @@ ContactsManager::ContactsManager(Td *td, ActorShared<> parent) : td_(td), parent
   td_->option_manager_->set_option_integer("replies_bot_chat_id", DialogId(get_replies_bot_user_id()).get());
   td_->option_manager_->set_option_integer("group_anonymous_bot_user_id", get_anonymous_bot_user_id().get());
   td_->option_manager_->set_option_integer("channel_bot_user_id", get_channel_bot_user_id().get());
+  if (!td_->option_manager_->have_option("anti_spam_bot_user_id")) {
+    td_->option_manager_->set_option_integer("anti_spam_bot_user_id", get_anti_spam_bot_user_id().get());
+  }
 
   if (G()->parameters().use_chat_info_db) {
     auto next_contacts_sync_date_string = G()->td_db()->get_binlog_pmc()->get("next_contacts_sync_date");
@@ -3731,6 +3734,8 @@ ContactsManager::ContactsManager(Td *td, ActorShared<> parent) : td_(td), parent
     G()->td_db()->get_sqlite_pmc()->erase_by_prefix("us_bot_info", Auto());
   }
 
+  on_update_fragment_prefixes();
+
   was_online_local_ = to_integer<int32>(G()->td_db()->get_binlog_pmc()->get("my_was_online_local"));
   was_online_remote_ = to_integer<int32>(G()->td_db()->get_binlog_pmc()->get("my_was_online_remote"));
   if (was_online_local_ >= G()->unix_time_cached() && !td_->is_online()) {
@@ -3791,8 +3796,6 @@ void ContactsManager::start_up() {
   if (!pending_location_visibility_expire_date_) {
     try_send_set_location_visibility_query();
   }
-
-  on_update_fragment_prefixes();
 }
 
 void ContactsManager::tear_down() {
@@ -5664,6 +5667,10 @@ UserId ContactsManager::get_channel_bot_user_id() {
   return UserId(static_cast<int64>(G()->is_test_dc() ? 936174 : 136817688));
 }
 
+UserId ContactsManager::get_anti_spam_bot_user_id() {
+  return UserId(static_cast<int64>(G()->is_test_dc() ? 2200583762ll : 5434988373ll));
+}
+
 UserId ContactsManager::add_anonymous_bot_user() {
   auto user_id = get_anonymous_bot_user_id();
   if (!have_user_force(user_id)) {
@@ -9774,7 +9781,8 @@ ContactsManager::User *ContactsManager::get_user_force(UserId user_id) {
   auto u = get_user_force_impl(user_id);
   if ((u == nullptr || !u->is_received) &&
       (user_id == get_service_notifications_user_id() || user_id == get_replies_bot_user_id() ||
-       user_id == get_anonymous_bot_user_id() || user_id == get_channel_bot_user_id())) {
+       user_id == get_anonymous_bot_user_id() || user_id == get_channel_bot_user_id() ||
+       user_id == get_anti_spam_bot_user_id())) {
     int32 flags = USER_FLAG_HAS_ACCESS_HASH | USER_FLAG_HAS_FIRST_NAME | USER_FLAG_NEED_APPLY_MIN_PHOTO;
     int64 profile_photo_id = 0;
     int32 profile_photo_dc_id = 1;
@@ -9819,6 +9827,17 @@ ContactsManager::User *ContactsManager::get_user_force(UserId user_id) {
       username = G()->is_test_dc() ? "channelsbot" : "Channel_Bot";
       bot_info_version = G()->is_test_dc() ? 1 : 4;
       profile_photo_id = 587627495930570665;
+    } else if (user_id == get_service_notifications_user_id()) {
+      flags |= USER_FLAG_HAS_USERNAME | USER_FLAG_IS_BOT;
+      if (G()->is_test_dc()) {
+        first_name = "antispambot";
+        username = "tantispambot";
+      } else {
+        flags |= USER_FLAG_IS_VERIFIED;
+        first_name = "Telegram Anti-Spam";
+        username = "tgsantispambot";
+        profile_photo_id = 5170408289966598902;
+      }
     }
 
     telegram_api::object_ptr<telegram_api::userProfilePhoto> profile_photo;
@@ -9837,6 +9856,8 @@ ContactsManager::User *ContactsManager::get_user_force(UserId user_id) {
     on_get_user(std::move(user), "get_user_force");
     u = get_user(user_id);
     CHECK(u != nullptr && u->is_received);
+
+    reload_user(user_id, Promise<Unit>());
   }
   return u;
 }
@@ -15409,7 +15430,8 @@ bool ContactsManager::get_user(UserId user_id, int left_tries, Promise<Unit> &&p
   }
 
   if (user_id == get_service_notifications_user_id() || user_id == get_replies_bot_user_id() ||
-      user_id == get_anonymous_bot_user_id() || user_id == get_channel_bot_user_id()) {
+      user_id == get_anonymous_bot_user_id() || user_id == get_channel_bot_user_id() ||
+      user_id == get_anti_spam_bot_user_id()) {
     get_user_force(user_id);
   }
 

td/telegram/ContactsManager.h

@@ -286,6 +286,8 @@ class ContactsManager final : public Actor {
 
   static UserId get_channel_bot_user_id();
 
+  static UserId get_anti_spam_bot_user_id();
+
   UserId add_anonymous_bot_user();
 
   UserId add_channel_bot_user();

td/telegram/DialogEventLog.cpp

@@ -460,7 +460,7 @@ class GetChannelAdminLogQuery final : public Td::ResultHandler {
     td_->contacts_manager_->on_get_users(std::move(events->users_), "on_get_event_log");
     td_->contacts_manager_->on_get_chats(std::move(events->chats_), "on_get_event_log");
 
-    auto anti_spam_user_id = UserId(G()->get_option_integer("telegram_antispam_user_id"));
+    auto anti_spam_user_id = UserId(G()->get_option_integer("anti_spam_bot_user_id"));
     auto result = td_api::make_object<td_api::chatEvents>();
     result->events_.reserve(events->events_.size());
     for (auto &event : events->events_) {

td/telegram/OptionManager.cpp

@@ -287,8 +287,6 @@ bool OptionManager::is_internal_option(Slice name) {
              name == "saved_gifs_limit_premium" || name == "session_count" || name == "stickers_faved_limit_default" ||
              name == "stickers_faved_limit_premium" || name == "stickers_normal_by_emoji_per_premium_num" ||
              name == "stickers_premium_by_emoji_num";
-    case 't':
-      return name == "telegram_antispam_user_id";
     case 'v':
       return name == "video_note_size_max";
     case 'w':