From d62fdf42f574c365cd7e45d2393d989737875ed3 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Fri, 10 Jul 2026 23:24:00 +0300
Subject: Add "subscription" update.

---
 telegram-bot-api/Client.cpp | 36 ++++++++++++++++++++++++++++++++++++
 telegram-bot-api/Client.h   |  4 ++++
 2 files changed, 40 insertions(+)

diff --git a/telegram-bot-api/Client.cpp b/telegram-bot-api/Client.cpp
index c0d3bd5..d83a5a6 100644
--- a/telegram-bot-api/Client.cpp
+++ b/telegram-bot-api/Client.cpp
@@ -3925,6 +3925,31 @@ class Client::JsonManagedBotUpdated final : public td::Jsonable {
   const Client *client_;
 };
 
+class Client::JsonBotSubscriptionUpdated final : public td::Jsonable {
+ public:
+  JsonBotSubscriptionUpdated(const td_api::updateUserSubscription *update_user_subscription, const Client *client)
+      : update_user_subscription_(update_user_subscription), client_(client) {
+  }
+  void store(td::JsonValueScope *scope) const {
+    auto object = scope->enter_object();
+    object("user", JsonUser(update_user_subscription_->user_id_, client_));
+    object("invoice_payload", update_user_subscription_->payload_);
+    if (update_user_subscription_->is_canceled_) {
+      object("state", "canceled");
+    } else if (update_user_subscription_->is_restored_) {
+      object("state", "active");
+    } else if (update_user_subscription_->is_payment_failed_) {
+      object("state", "failed");
+    } else {
+      UNREACHABLE();
+    }
+  }
+
+ private:
+  const td_api::updateUserSubscription *update_user_subscription_;
+  const Client *client_;
+};
+
 class Client::JsonCommunityChatAdded final : public td::Jsonable {
  public:
   JsonCommunityChatAdded(const td_api::messageChatAddedToCommunity *chat_added_to_community, const Client *client)
@@ -9827,6 +9852,9 @@ void Client::on_update(object_ptr<td_api::Object> result) {
     case td_api::updateManagedBot::ID:
       add_update_managed_bot(move_object_as<td_api::updateManagedBot>(result));
       break;
+    case td_api::updateUserSubscription::ID:
+      add_update_subscription(move_object_as<td_api::updateUserSubscription>(result));
+      break;
     case td_api::updateNewCustomEvent::ID:
       add_new_custom_event(move_object_as<td_api::updateNewCustomEvent>(result));
       break;
@@ -17945,6 +17973,8 @@ td::Slice Client::get_update_type_name(UpdateType update_type) {
       return td::Slice("managed_bot");
     case UpdateType::GuestMessage:
       return td::Slice("guest_message");
+    case UpdateType::Subscription:
+      return td::Slice("subscription");
     default:
       UNREACHABLE();
       return td::Slice();
@@ -18320,6 +18350,12 @@ void Client::add_update_managed_bot(object_ptr<td_api::updateManagedBot> &&query
              query->user_id_ + (static_cast<int64>(13) << 33));
 }
 
+void Client::add_update_subscription(object_ptr<td_api::updateUserSubscription> &&query) {
+  CHECK(query != nullptr);
+  add_update(UpdateType::Subscription, JsonBotSubscriptionUpdated(query.get(), this), 86400,
+             query->user_id_ + (static_cast<int64>(14) << 33));
+}
+
 void Client::add_new_custom_event(object_ptr<td_api::updateNewCustomEvent> &&event) {
   CHECK(event != nullptr);
   add_update(UpdateType::CustomEvent, JsonCustomJson(event->event_), 600, 0);
diff --git a/telegram-bot-api/Client.h b/telegram-bot-api/Client.h
index 50630f2..5188d19 100644
--- a/telegram-bot-api/Client.h
+++ b/telegram-bot-api/Client.h
@@ -247,6 +247,7 @@ class Client final : public WebhookActor::Callback {
   class JsonManagedBotCreated;
   class JsonManagedBotUpdated;
   class JsonCommunityChatAdded;
+  class JsonBotSubscriptionUpdated;
   class JsonGiveawayCreated;
   class JsonGiveaway;
   class JsonGiveawayWinners;
@@ -1451,6 +1452,8 @@ class Client final : public WebhookActor::Callback {
 
   void add_update_managed_bot(object_ptr<td_api::updateManagedBot> &&query);
 
+  void add_update_subscription(object_ptr<td_api::updateUserSubscription> &&query);
+
   void add_new_custom_event(object_ptr<td_api::updateNewCustomEvent> &&event);
 
   void add_new_custom_query(object_ptr<td_api::updateNewCustomQuery> &&query);
@@ -1498,6 +1501,7 @@ class Client final : public WebhookActor::Callback {
     PurchasedPaidMedia,
     ManagedBot,
     GuestMessage,
+    Subscription,
     Size
   };
 
-- 
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