Update API scheme to layer 78.

Telegram/Resources/scheme.tl

@@ -220,7 +220,7 @@ userStatusLastMonth#77ebc742 = UserStatus;
 chatEmpty#9ba2d800 id:int = Chat;
 chat#d91cdd54 flags:# creator:flags.0?true kicked:flags.1?true left:flags.2?true admins_enabled:flags.3?true admin:flags.4?true deactivated:flags.5?true id:int title:string photo:ChatPhoto participants_count:int date:int version:int migrated_to:flags.6?InputChannel = Chat;
 chatForbidden#7328bdb id:int title:string = Chat;
-channel#450b7115 flags:# creator:flags.0?true left:flags.2?true editor:flags.3?true broadcast:flags.5?true verified:flags.7?true megagroup:flags.8?true restricted:flags.9?true democracy:flags.10?true signatures:flags.11?true min:flags.12?true id:int access_hash:flags.13?long title:string username:flags.6?string photo:ChatPhoto date:int version:int restriction_reason:flags.9?string admin_rights:flags.14?ChannelAdminRights banned_rights:flags.15?ChannelBannedRights participants_count:flags.17?int = Chat;
+channel#c88974ac flags:# creator:flags.0?true left:flags.2?true editor:flags.3?true broadcast:flags.5?true verified:flags.7?true megagroup:flags.8?true restricted:flags.9?true democracy:flags.10?true signatures:flags.11?true min:flags.12?true id:int access_hash:flags.13?long title:string username:flags.6?string photo:ChatPhoto date:int version:int restriction_reason:flags.9?string admin_rights:flags.14?ChannelAdminRights banned_rights:flags.15?ChannelBannedRights participants_count:flags.17?int = Chat;
 channelForbidden#289da732 flags:# broadcast:flags.5?true megagroup:flags.8?true id:int access_hash:long title:string until_date:flags.16?int = Chat;
 
 chatFull#2e02a614 id:int participants:ChatParticipants chat_photo:Photo notify_settings:PeerNotifySettings exported_invite:ExportedChatInvite bot_info:Vector<BotInfo> = ChatFull;
@@ -306,7 +306,6 @@ inputPeerNotifySettings#38935eb2 flags:# show_previews:flags.0?true silent:flags
 peerNotifyEventsEmpty#add53cb3 = PeerNotifyEvents;
 peerNotifyEventsAll#6d1ded88 = PeerNotifyEvents;
 
-peerNotifySettingsEmpty#70a68512 = PeerNotifySettings;
 peerNotifySettings#9acda4c0 flags:# show_previews:flags.0?true silent:flags.1?true mute_until:int sound:string = PeerNotifySettings;
 
 peerSettings#818426cd flags:# report_spam:flags.0?true = PeerSettings;
@@ -461,7 +460,7 @@ photos.photo#20212ca8 photo:Photo users:Vector<User> = photos.Photo;
 upload.file#96a18d5 type:storage.FileType mtime:int bytes:bytes = upload.File;
 upload.fileCdnRedirect#f18cda44 dc_id:int file_token:bytes encryption_key:bytes encryption_iv:bytes file_hashes:Vector<FileHash> = upload.File;
 
-dcOption#5d8c6cc flags:# ipv6:flags.0?true media_only:flags.1?true tcpo_only:flags.2?true cdn:flags.3?true static:flags.4?true id:int ip_address:string port:int = DcOption;
+dcOption#18b7a10d flags:# ipv6:flags.0?true media_only:flags.1?true tcpo_only:flags.2?true cdn:flags.3?true static:flags.4?true id:int ip_address:string port:int secret:flags.10?bytes = DcOption;
 
 config#86b5778e flags:# phonecalls_enabled:flags.1?true default_p2p_contacts:flags.3?true preload_featured_stickers:flags.4?true ignore_phone_entities:flags.5?true revoke_pm_inbox:flags.6?true date:int expires:int test_mode:Bool this_dc:int dc_options:Vector<DcOption> chat_size_max:int megagroup_size_max:int forwarded_count_max:int online_update_period_ms:int offline_blur_timeout_ms:int offline_idle_timeout_ms:int online_cloud_timeout_ms:int notify_cloud_delay_ms:int notify_default_delay_ms:int push_chat_period_ms:int push_chat_limit:int saved_gifs_limit:int edit_time_limit:int revoke_time_limit:int revoke_pm_time_limit:int rating_e_decay:int stickers_recent_limit:int stickers_faved_limit:int channels_read_media_period:int tmp_sessions:flags.0?int pinned_dialogs_count_max:int call_receive_timeout_ms:int call_ring_timeout_ms:int call_connect_timeout_ms:int call_packet_timeout_ms:int me_url_prefix:string suggested_lang_code:flags.2?string lang_pack_version:flags.2?int = Config;
 
@@ -1220,4 +1219,4 @@ langpack.getStrings#2e1ee318 lang_code:string keys:Vector<string> = Vector<LangP
 langpack.getDifference#b2e4d7d from_version:int = LangPackDifference;
 langpack.getLanguages#800fd57d = Vector<LangPackLanguage>;
 
-// LAYER 76
+// LAYER 78

Telegram/SourceFiles/apiwrap.cpp

@@ -1623,7 +1623,10 @@ void ApiWrap::requestNotifySetting(PeerData *peer) {
 		notifySettingReceived(notifyPeer, result);
 		_notifySettingRequests.remove(peer);
 	}).fail([this, notifyPeer, peer](const RPCError &error) {
-		notifySettingReceived(notifyPeer, MTP_peerNotifySettingsEmpty());
+		notifySettingReceived(notifyPeer, MTP_peerNotifySettings(
+			MTP_flags(MTPDpeerNotifySettings::Flag::f_show_previews),
+			MTP_int(0),
+			MTP_string("default")));
 		_notifySettingRequests.remove(peer);
 	}).send();
 

Telegram/SourceFiles/codegen/scheme/codegen_scheme.py

@@ -54,7 +54,13 @@ addChildParentFlags('MTPDchannelForbidden', 'MTPDchannel');
 # each key flag of parentFlags should be a subset of the value flag here
 parentFlagsCheck = {};
 
+countedTypeIdExceptions = {};
+countedTypeIdExceptions[77] = countedTypeIdExceptions[78] = {}
+countedTypeIdExceptions[77]['channel'] = countedTypeIdExceptions[78]['channel'] = True
+
+lines = [];
 layer = '';
+layerIndex = 0;
 funcs = 0
 types = 0;
 consts = 0
@@ -83,7 +89,12 @@ with open(input_file) as f:
   for line in f:
     layerline = re.match(r'// LAYER (\d+)', line)
     if (layerline):
-      layer = 'constexpr auto CurrentLayer = mtpPrime(' + layerline.group(1) + ');';
+      layerIndex = 	int(layerline.group(1));
+      layer = 'constexpr auto CurrentLayer = mtpPrime(' + str(layerIndex) + ');';
+    else:
+      lines.append(line);
+
+for line in lines:
     nocomment = re.match(r'^(.*?)//', line)
     if (nocomment):
       line = nocomment.group(1);
@@ -131,6 +142,7 @@ with open(input_file) as f:
     if (typeid and len(typeid) > 0):
       typeid = '0x' + typeid;
       if (typeid != countTypeId):
+        if (not layerIndex in countedTypeIdExceptions or not name in countedTypeIdExceptions[layerIndex]):
           print('Warning: counted ' + countTypeId + ' mismatch with provided ' + typeid + ' (' + cleanline + ')');
           continue;
     else:

Telegram/SourceFiles/config.h

@@ -152,11 +152,11 @@ static const BuiltInDc _builtInDcs[] = {
 };
 
 static const BuiltInDc _builtInDcsIPv6[] = {
-	{ 1, "2001:b28:f23d:f001::a", 443 },
+	{ 1, "2001:0b28:f23d:f001:0000:0000:0000:000a", 443 },
-	{ 2, "2001:67c:4e8:f002::a", 443 },
+	{ 2, "2001:067c:04e8:f002:0000:0000:0000:000a", 443 },
-	{ 3, "2001:b28:f23d:f003::a", 443 },
+	{ 3, "2001:0b28:f23d:f003:0000:0000:0000:000a", 443 },
-	{ 4, "2001:67c:4e8:f004::a", 443 },
+	{ 4, "2001:067c:04e8:f004:0000:0000:0000:000a", 443 },
-	{ 5, "2001:b28:f23f:f005::a", 443 }
+	{ 5, "2001:0b28:f23f:f005:0000:0000:0000:000a", 443 }
 };
 
 static const BuiltInDc _builtInTestDcs[] = {
@@ -166,9 +166,9 @@ static const BuiltInDc _builtInTestDcs[] = {
 };
 
 static const BuiltInDc _builtInTestDcsIPv6[] = {
-	{ 1, "2001:b28:f23d:f001::e", 443 },
+	{ 1, "2001:0b28:f23d:f001:0000:0000:0000:000e", 443 },
-	{ 2, "2001:67c:4e8:f002::e", 443 },
+	{ 2, "2001:067c:04e8:f002:0000:0000:0000:000e", 443 },
-	{ 3, "2001:b28:f23d:f003::e", 443 }
+	{ 3, "2001:0b28:f23d:f003:0000:0000:0000:000e", 443 }
 };
 
 inline const BuiltInDc *builtInDcs() {

Telegram/SourceFiles/data/data_notify_settings.cpp

@@ -114,17 +114,8 @@ MTPinputPeerNotifySettings NotifySettingsValue::serialize() const {
 }
 
 bool NotifySettings::change(const MTPPeerNotifySettings &settings) {
-	switch (settings.type()) {
+	Expects(settings.type() == mtpc_peerNotifySettings);
-	case mtpc_peerNotifySettingsEmpty: {
-		if (!_known || _value) {
-			_known = true;
-			_value = nullptr;
-			return true;
-		}
-		return false;
-	} break;
 
-	case mtpc_peerNotifySettings: {
 	auto &data = settings.c_peerNotifySettings();
 	if (_value) {
 		return _value->change(data);
@@ -132,10 +123,6 @@ bool NotifySettings::change(const MTPPeerNotifySettings &settings) {
 	_known = true;
 	_value = std::make_unique<NotifySettingsValue>(data);
 	return true;
-	} break;
-	}
-
-	Unexpected("Type in NotifySettings::change()");
 }
 
 NotifySettings::NotifySettings() = default;
@@ -152,18 +139,6 @@ bool NotifySettings::change(
 	if (_value) {
 		return _value->change(mute, silent, muteForSeconds);
 	}
-	const auto asEmpty = [&] {
-		if (mute == MuteChange::Mute) {
-			return false;
-		}
-		if (silent == SilentPostsChange::Silent) {
-			return false;
-		}
-		return true;
-	}();
-	if (asEmpty) {
-		return change(MTP_peerNotifySettingsEmpty());
-	}
 	const auto flags = MTPDpeerNotifySettings::Flag::f_show_previews
 		| ((silent == SilentPostsChange::Silent)
 			? MTPDpeerNotifySettings::Flag::f_silent

Telegram/SourceFiles/mtproto/config_loader.cpp

@@ -139,13 +139,15 @@ void ConfigLoader::sendSpecialRequest() {
 
 	const auto weak = base::make_weak(this);
 	const auto index = rand_value<uint32>() % _specialEndpoints.size();
+	const auto secret = bytes::vector();
 	const auto endpoint = _specialEndpoints.begin() + index;
 	_specialEnumCurrent = specialToRealDcId(endpoint->dcId);
 	_instance->dcOptions()->constructAddOne(
 		_specialEnumCurrent,
 		MTPDdcOption::Flag::f_tcpo_only,
 		endpoint->ip,
-		endpoint->port);
+		endpoint->port,
+		secret);
 	_specialEnumRequest = _instance->send(
 		MTPhelp_GetConfig(),
 		rpcDone([weak](const MTPConfig &result) {

Telegram/SourceFiles/mtproto/connection.cpp

@@ -362,7 +362,8 @@ void ConnectionPrivate::appendTestConnection(
 	QWriteLocker lock(&stateConnMutex);
 
 	const auto priority = (qthelp::is_ipv6(ip) ? 0 : 1)
-		+ (protocol == DcOptions::Variants::Tcp ? 1 : 0);
+		+ (protocol == DcOptions::Variants::Tcp ? 1 : 0)
+		+ (protocolSecret.empty() ? 0 : 1);
 	_testConnections.push_back({
 		AbstractConnection::create(protocol, thread()),
 		priority

Telegram/SourceFiles/mtproto/dc_options.cpp

@@ -112,7 +112,7 @@ void DcOptions::constructFromBuiltIn() {
 			idWithShift,
 			std::vector<Option>(
 				1,
-				Option(bdc.id, flags, bdc.ip, bdc.port)));
+				Option(bdc.id, flags, bdc.ip, bdc.port, {})));
 		DEBUG_LOG(("MTP Info: adding built in DC %1 connect option: "
 			"%2:%3").arg(bdc.id).arg(bdc.ip).arg(bdc.port));
 	}
@@ -126,7 +126,7 @@ void DcOptions::constructFromBuiltIn() {
 			idWithShift,
 			std::vector<Option>(
 				1,
-				Option(bdc.id, flags, bdc.ip, bdc.port)));
+				Option(bdc.id, flags, bdc.ip, bdc.port, {})));
 		DEBUG_LOG(("MTP Info: adding built in DC %1 IPv6 connect option: "
 			"%2:%3").arg(bdc.id).arg(bdc.ip).arg(bdc.port));
 	}
@@ -168,7 +168,10 @@ void DcOptions::processFromList(
 				option.vip_address.v.constData(),
 				option.vip_address.v.size());
 			auto port = option.vport.v;
-			if (applyOneGuarded(dcId, flags, ip, port)) {
+			auto secret = option.has_secret()
+				? bytes::make_vector(option.vsecret.v)
+				: bytes::vector();
+			if (applyOneGuarded(dcId, flags, ip, port, secret)) {
 				if (!base::contains(idsChanged, dcId)) {
 					idsChanged.push_back(dcId);
 				}
@@ -220,11 +223,12 @@ void DcOptions::addFromOther(DcOptions &&options) {
 			WriteLocker lock(this);
 			for (const auto &item : base::take(options._data)) {
 				for (const auto &option : item.second) {
-					auto dcId = option.id;
+					const auto dcId = option.id;
-					auto flags = option.flags;
+					const auto flags = option.flags;
-					auto &ip = option.ip;
+					const auto &ip = option.ip;
-					auto port = option.port;
+					const auto port = option.port;
-					if (applyOneGuarded(dcId, flags, ip, port)) {
+					const auto &secret = option.secret;
+					if (applyOneGuarded(dcId, flags, ip, port, secret)) {
 						if (!base::contains(idsChanged, dcId)) {
 							idsChanged.push_back(dcId);
 						}
@@ -244,16 +248,22 @@ void DcOptions::addFromOther(DcOptions &&options) {
 	}
 }
 
-void DcOptions::constructAddOne(int id, MTPDdcOption::Flags flags, const std::string &ip, int port) {
+void DcOptions::constructAddOne(
+		int id,
+		MTPDdcOption::Flags flags,
+		const std::string &ip,
+		int port,
+		const bytes::vector &secret) {
 	WriteLocker lock(this);
-	applyOneGuarded(bareDcId(id), flags, ip, port);
+	applyOneGuarded(bareDcId(id), flags, ip, port, secret);
 }
 
 bool DcOptions::applyOneGuarded(
 		DcId dcId,
 		MTPDdcOption::Flags flags,
 		const std::string &ip,
-		int port) {
+		int port,
+		const bytes::vector &secret) {
 	auto dcIdWithShift = MTP::shiftDcId(dcId, flags);
 	auto i = _data.find(dcIdWithShift);
 	if (i != _data.cend()) {
@@ -262,11 +272,11 @@ bool DcOptions::applyOneGuarded(
 				return false;
 			}
 		}
-		i->second.push_back(Option(dcId, flags, ip, port));
+		i->second.push_back(Option(dcId, flags, ip, port, secret));
 	} else {
 		_data.emplace(dcIdWithShift, std::vector<Option>(
 			1,
-			Option(dcId, flags, ip, port)));
+			Option(dcId, flags, ip, port, secret)));
 	}
 	return true;
 }
@@ -280,16 +290,24 @@ QByteArray DcOptions::serialize() const {
 	ReadLocker lock(this);
 
 	auto size = sizeof(qint32);
+
+	// Dc options.
+	auto optionsCount = 0;
+	size += sizeof(qint32);
 	for (const auto &item : _data) {
 		if (isTemporaryDcId(item.first)) {
 			continue;
 		}
 		for (const auto &option : item.second) {
-			size += sizeof(qint32) + sizeof(qint32) + sizeof(qint32); // id + flags + port
+			++optionsCount;
+			// id + flags + port
+			size += sizeof(qint32) + sizeof(qint32) + sizeof(qint32);
 			size += sizeof(qint32) + option.ip.size();
+			size += sizeof(qint32) + option.secret.size();
 		}
 	}
 
+	// CDN public keys.
 	auto count = 0;
 	for (auto &keysInDc : _cdnPublicKeys) {
 		count += keysInDc.second.size();
@@ -301,32 +319,54 @@ QByteArray DcOptions::serialize() const {
 	};
 	std::vector<SerializedPublicKey> publicKeys;
 	publicKeys.reserve(count);
+	size += sizeof(qint32);
 	for (const auto &keysInDc : _cdnPublicKeys) {
 		for (const auto &entry : keysInDc.second) {
-			publicKeys.push_back({ keysInDc.first, entry.second.getN(), entry.second.getE() });
+			publicKeys.push_back({
-			size += sizeof(qint32) + Serialize::bytesSize(publicKeys.back().n) + Serialize::bytesSize(publicKeys.back().e);
+				keysInDc.first,
+				entry.second.getN(),
+				entry.second.getE()
+			});
+			size += sizeof(qint32)
+				+ Serialize::bytesSize(publicKeys.back().n)
+				+ Serialize::bytesSize(publicKeys.back().e);
 		}
 	}
 
+	constexpr auto kVersion = 1;
+
 	auto result = QByteArray();
 	result.reserve(size);
 	{
 		QDataStream stream(&result, QIODevice::WriteOnly);
 		stream.setVersion(QDataStream::Qt_5_1);
-		stream << qint32(_data.size());
+		stream << qint32(-kVersion);
+
+		// Dc options.
+		stream << qint32(optionsCount);
 		for (const auto &item : _data) {
 			if (isTemporaryDcId(item.first)) {
 				continue;
 			}
 			for (const auto &option : item.second) {
-				stream << qint32(option.id) << qint32(option.flags) << qint32(option.port);
+				stream << qint32(option.id)
-				stream << qint32(option.ip.size());
+					<< qint32(option.flags)
+					<< qint32(option.port)
+					<< qint32(option.ip.size());
 				stream.writeRawData(option.ip.data(), option.ip.size());
+				stream << qint32(option.secret.size());
+				stream.writeRawData(
+					reinterpret_cast<const char*>(option.secret.data()),
+					option.secret.size());
 			}
 		}
+
+		// CDN public keys.
 		stream << qint32(publicKeys.size());
 		for (auto &key : publicKeys) {
-			stream << qint32(key.dcId) << Serialize::bytes(key.n) << Serialize::bytes(key.e);
+			stream << qint32(key.dcId)
+				<< Serialize::bytes(key.n)
+				<< Serialize::bytes(key.e);
 		}
 	}
 	return result;
@@ -335,8 +375,17 @@ QByteArray DcOptions::serialize() const {
 void DcOptions::constructFromSerialized(const QByteArray &serialized) {
 	QDataStream stream(serialized);
 	stream.setVersion(QDataStream::Qt_5_1);
+
+	auto minusVersion = qint32(0);
+	stream >> minusVersion;
+	const auto version = (minusVersion < 0) ? (-minusVersion) : 0;
+
 	auto count = qint32(0);
+	if (version > 0) {
 		stream >> count;
+	} else {
+		count = minusVersion;
+	}
 	if (stream.status() != QDataStream::Ok) {
 		LOG(("MTP Error: Bad data for DcOptions::constructFromSerialized()"));
 		return;
@@ -356,14 +405,35 @@ void DcOptions::constructFromSerialized(const QByteArray &serialized) {
 		}
 
 		std::string ip(ipSize, ' ');
-		stream.readRawData(&ip[0], ipSize);
+		stream.readRawData(ip.data(), ipSize);
+
+		constexpr auto kMaxSecretSize = 32;
+		auto secret = bytes::vector();
+		if (version > 0) {
+			auto secretSize = qint32(0);
+			stream >> secretSize;
+			if (secretSize < 0 || secretSize > kMaxSecretSize) {
+				LOG(("MTP Error: Bad data inside DcOptions::constructFromSerialized()"));
+				return;
+			} else if (secretSize > 0) {
+				secret.resize(secretSize);
+				stream.readRawData(
+					reinterpret_cast<char*>(secret.data()),
+					secretSize);
+			}
+		}
 
 		if (stream.status() != QDataStream::Ok) {
 			LOG(("MTP Error: Bad data inside DcOptions::constructFromSerialized()"));
 			return;
 		}
 
-		applyOneGuarded(DcId(id), MTPDdcOption::Flags::from_raw(flags), ip, port);
+		applyOneGuarded(
+			DcId(id),
+			MTPDdcOption::Flags::from_raw(flags),
+			ip,
+			port,
+			secret);
 	}
 
 	// Read CDN config
@@ -485,8 +555,10 @@ DcOptions::Variants DcOptions::lookup(
 				switch (protocol) {
 				case Variants::Tcp: return {
 					// Regular TCP IPv4
+					throughProxy ? (MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only),
 					throughProxy ? (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_tcpo_only | 0),
 					throughProxy ? (MTPDdcOption::Flag::f_static | 0) : MTPDdcOption::Flags(0),
+					(MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only),
 					(MTPDdcOption::Flag::f_tcpo_only | 0),
 					0
 				};
@@ -501,8 +573,10 @@ DcOptions::Variants DcOptions::lookup(
 				switch (protocol) {
 				case Variants::Tcp: return {
 					// Regular TCP IPv6
+					throughProxy ? (MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					throughProxy ? (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					throughProxy ? (MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_ipv6 | 0),
+					(MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					(MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					(MTPDdcOption::Flag::f_ipv6 | 0),
 				};
@@ -521,12 +595,17 @@ DcOptions::Variants DcOptions::lookup(
 				switch (protocol) {
 				case Variants::Tcp: return {
 					// Media download TCP IPv4
+					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only),
 					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only),
+					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only),
 					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_tcpo_only | 0),
 					(MTPDdcOption::Flag::f_media_only | 0),
 					throughProxy ? (MTPDdcOption::Flag::f_static | 0) : MTPDdcOption::Flags(0),
+					(MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only),
 					(MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only),
+					throughProxy ? (MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only),
 					throughProxy ? (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_tcpo_only | 0),
+					throughProxy ? (MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only) : (MTPDdcOption::Flag::f_media_only | 0),
 					throughProxy ? (MTPDdcOption::Flag::f_tcpo_only | 0) : (MTPDdcOption::Flag::f_media_only | 0),
 					0,
 				};
@@ -543,12 +622,17 @@ DcOptions::Variants DcOptions::lookup(
 				switch (protocol) {
 				case Variants::Tcp: return {
 					// Media download TCP IPv6
+					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
+					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					(MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_ipv6),
 					throughProxy ? (MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_ipv6 | 0),
+					(MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					(MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
+					throughProxy ? (MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					throughProxy ? (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
+					throughProxy ? (MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6) : (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_ipv6),
 					throughProxy ? (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6) : (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_ipv6),
 					(MTPDdcOption::Flag::f_ipv6 | 0)
 				};
@@ -569,8 +653,10 @@ DcOptions::Variants DcOptions::lookup(
 				switch (protocol) {
 				case Variants::Tcp: return {
 					// CDN TCP IPv4
+					throughProxy ? (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only),
 					throughProxy ? (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_tcpo_only),
 					throughProxy ? (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_cdn | 0),
+					(MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only),
 					(MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_tcpo_only),
 					(MTPDdcOption::Flag::f_cdn | 0),
 				};
@@ -585,8 +671,10 @@ DcOptions::Variants DcOptions::lookup(
 				switch (protocol) {
 				case Variants::Tcp: return {
 					// CDN TCP IPv6
+					throughProxy ? (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only),
 					throughProxy ? (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_tcpo_only),
 					throughProxy ? (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6),
+					(MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_secret | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					(MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					(MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6),
 				};
@@ -616,7 +704,8 @@ DcOptions::Variants DcOptions::lookup(
 						for (const auto &option : it->second) {
 							result.data[address][protocol].push_back({
 								option.ip,
-								option.port
+								option.port,
+								option.secret
 							});
 						}
 						break;
@@ -684,7 +773,12 @@ bool DcOptions::loadFromFile(const QString &path) {
 				return error();
 			}
 		}
-		options.push_back(MTP_dcOption(MTP_flags(flags), MTP_int(dcId), MTP_string(ip), MTP_int(port)));
+		options.push_back(MTP_dcOption(
+			MTP_flags(flags),
+			MTP_int(dcId),
+			MTP_string(ip),
+			MTP_int(port),
+			MTPbytes()));
 	}
 	if (options.isEmpty()) {
 		LOG(("MTP Error: in .tdesktop-endpoints expected at least one endpoint being provided."));

Telegram/SourceFiles/mtproto/dc_options.h

@@ -31,7 +31,8 @@ public:
 		int id,
 		MTPDdcOption::Flags flags,
 		const std::string &ip,
-		int port);
+		int port,
+		const bytes::vector &secret);
 	QByteArray serialize() const;
 
 	using Ids = std::vector<DcId>;
@@ -75,15 +76,32 @@ public:
 
 private:
 	struct Option {
-		Option(DcId id, MTPDdcOption::Flags flags, const std::string &ip, int port) : id(id), flags(flags), ip(ip), port(port) {
+		Option(
+			DcId id,
+			MTPDdcOption::Flags flags,
+			const std::string &ip,
+			int port,
+			const bytes::vector &secret)
+		: id(id)
+		, flags(flags)
+		, ip(ip)
+		, port(port)
+		, secret(secret) {
 		}
 
 		DcId id;
 		MTPDdcOption::Flags flags;
 		std::string ip;
 		int port;
+		bytes::vector secret;
+
 	};
-	bool applyOneGuarded(DcId dcId, MTPDdcOption::Flags flags, const std::string &ip, int port);
+	bool applyOneGuarded(
+		DcId dcId,
+		MTPDdcOption::Flags flags,
+		const std::string &ip,
+		int port,
+		const bytes::vector &secret);
 
 	void processFromList(const QVector<MTPDcOption> &options, bool overwrite);
 	void computeCdnDcIds();

Telegram/SourceFiles/storage/localstorage.cpp

@@ -872,7 +872,12 @@ bool _readSetting(quint32 blockId, QDataStream &stream, int version, ReadSetting
 		stream >> dcId >> host >> ip >> port;
 		if (!_checkStreamStatus(stream)) return false;
 
-		context.dcOptions.constructAddOne(dcId, 0, ip.toStdString(), port);
+		context.dcOptions.constructAddOne(
+			dcId,
+			0,
+			ip.toStdString(),
+			port,
+			{});
 	} break;
 
 	case dbiDcOptionOld: {
@@ -882,7 +887,12 @@ bool _readSetting(quint32 blockId, QDataStream &stream, int version, ReadSetting
 		stream >> dcIdWithShift >> flags >> ip >> port;
 		if (!_checkStreamStatus(stream)) return false;
 
-		context.dcOptions.constructAddOne(dcIdWithShift, MTPDdcOption::Flags::from_raw(flags), ip.toStdString(), port);
+		context.dcOptions.constructAddOne(
+			dcIdWithShift,
+			MTPDdcOption::Flags::from_raw(flags),
+			ip.toStdString(),
+			port,
+			{});
 	} break;
 
 	case dbiDcOptions: {