From cb02d4b15624c5de7b306adc9c0dc9a85fb86372 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Wed, 8 Jul 2026 00:06:36 +0300
Subject: Add td_api::updateUserSubscription.

---
 td/generate/scheme/td_api.tl   |  8 ++++++++
 td/telegram/UpdatesManager.cpp | 27 +++++++++++++++++++++------
 td/telegram/UpdatesManager.h   |  4 ++--
 3 files changed, 31 insertions(+), 8 deletions(-)

diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index 41b980d8e..80401949e 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -10991,6 +10991,14 @@ updateNewCustomEvent event:string = Update;
 //@description A new incoming query; for bots only @id The query identifier @data JSON-serialized query data @timeout Query timeout
 updateNewCustomQuery id:int64 data:string timeout:int32 = Update;
 
+//@description Subscription of a user to the bot was changed; for bots only
+//@user_id Identifier of the user
+//@payload Bot-specified subscription invoice payload
+//@is_canceled True, if the subscription was canceled
+//@is_restored True, if the subscription was restored
+//@is_payment_failed True, if the payment for the subscription has failed
+updateUserSubscription user_id:int53 payload:string is_canceled:Bool is_restored:Bool is_payment_failed:Bool = Update;
+
 //@description A poll was updated; for bots only @poll New data about the poll
 updatePoll poll:poll = Update;
 
diff --git a/td/telegram/UpdatesManager.cpp b/td/telegram/UpdatesManager.cpp
index 9082fdefc..09562db8c 100644
--- a/td/telegram/UpdatesManager.cpp
+++ b/td/telegram/UpdatesManager.cpp
@@ -112,6 +112,7 @@
 #include "td/utils/Status.h"
 #include "td/utils/StringBuilder.h"
 #include "td/utils/Time.h"
+#include "td/utils/utf8.h"
 
 #include <limits>
 
@@ -3339,6 +3340,20 @@ void UpdatesManager::process_qts_update(tl_object_ptr<telegram_api::Update> &&up
         break;
       }
       case telegram_api::updateBotStarsSubscription::ID: {
+        auto update = move_tl_object_as<telegram_api::updateBotStarsSubscription>(update_ptr);
+        auto user_id = UserId(update->user_id_);
+        auto payload = update->payload_.as_slice().str();
+        if (!user_id.is_valid() || !check_utf8(payload) ||
+            static_cast<int>(update->canceled_) + static_cast<int>(update->restored_) +
+                    static_cast<int>(update->payment_failed_) !=
+                1u) {
+          LOG(ERROR) << "Receive invalid " << to_string(update);
+          break;
+        }
+        send_closure(G()->td(), &Td::send_update,
+                     td_api::make_object<td_api::updateUserSubscription>(
+                         td_->user_manager_->get_user_id_object(user_id, "updateUserSubscription"), payload,
+                         update->canceled_, update->restored_, update->payment_failed_));
         break;
       }
       default:
@@ -5001,6 +5016,12 @@ void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateBotDeleteBusine
   add_pending_qts_update(std::move(update), qts, std::move(promise));
 }
 
+void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateBotStarsSubscription> update,
+                               Promise<Unit> &&promise) {
+  auto qts = update->qts_;
+  add_pending_qts_update(std::move(update), qts, std::move(promise));
+}
+
 void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateStarsBalance> update, Promise<Unit> &&promise) {
   switch (update->balance_->get_id()) {
     case telegram_api::starsAmount::ID:
@@ -5054,12 +5075,6 @@ void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateWebBrowserExcep
 
 // unsupported updates
 
-void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateBotStarsSubscription> update,
-                               Promise<Unit> &&promise) {
-  auto qts = update->qts_;
-  add_pending_qts_update(std::move(update), qts, std::move(promise));
-}
-
 void UpdatesManager::on_update(tl_object_ptr<telegram_api::updateNewStoryReaction> update, Promise<Unit> &&promise) {
   promise.set_value(Unit());
 }
diff --git a/td/telegram/UpdatesManager.h b/td/telegram/UpdatesManager.h
index aa6000812..6bb30d48d 100644
--- a/td/telegram/UpdatesManager.h
+++ b/td/telegram/UpdatesManager.h
@@ -767,6 +767,8 @@ class UpdatesManager final : public Actor {
 
   void on_update(tl_object_ptr<telegram_api::updateBotDeleteBusinessMessage> update, Promise<Unit> &&promise);
 
+  void on_update(tl_object_ptr<telegram_api::updateBotStarsSubscription> update, Promise<Unit> &&promise);
+
   void on_update(tl_object_ptr<telegram_api::updateStarsBalance> update, Promise<Unit> &&promise);
 
   void on_update(tl_object_ptr<telegram_api::updateStarsRevenueStatus> update, Promise<Unit> &&promise);
@@ -779,8 +781,6 @@ class UpdatesManager final : public Actor {
 
   // unsupported updates
 
-  void on_update(tl_object_ptr<telegram_api::updateBotStarsSubscription> update, Promise<Unit> &&promise);
-
   void on_update(tl_object_ptr<telegram_api::updateNewStoryReaction> update, Promise<Unit> &&promise);
 
   void on_update(tl_object_ptr<telegram_api::updateEphemeralBotCallbackQuery> update, Promise<Unit> &&promise);
-- 
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