Implement Bot API 6.2 changes.

configs.go

@@ -2004,6 +2004,24 @@ func (config GetStickerSetConfig) params() (Params, error) {
 	return params, nil
 }
 
+// GetCustomEmojiStickersConfig get information about
+// custom emoji stickers by their identifiers.
+type GetCustomEmojiStickersConfig struct {
+	CustomEmojiIDs []string
+}
+
+func (config GetCustomEmojiStickersConfig) params() (Params, error) {
+	params := make(Params)
+
+	params.AddInterface("custom_emoji_ids", config.CustomEmojiIDs)
+
+	return params, nil
+}
+
+func (config GetCustomEmojiStickersConfig) method() string {
+	return "getCustomEmojiStickers"
+}
+
 // UploadStickerConfig allows you to upload a sticker for use in a set later.
 type UploadStickerConfig struct {
 	UserID     int64
@@ -2038,8 +2056,9 @@ type NewStickerSetConfig struct {
 	Title         string
 	PNGSticker    RequestFileData
 	TGSSticker    RequestFileData
+	StickerType   string
 	Emojis        string
-	ContainsMasks bool
+	ContainsMasks bool // deprecated
 	MaskPosition  *MaskPosition
 }
 
@@ -2053,11 +2072,10 @@ func (config NewStickerSetConfig) params() (Params, error) {
 	params.AddNonZero64("user_id", config.UserID)
 	params["name"] = config.Name
 	params["title"] = config.Title
-
 	params["emojis"] = config.Emojis
 
 	params.AddBool("contains_masks", config.ContainsMasks)
-
+	params.AddNonEmpty("sticker_type", string(config.StickerType))
 	err := params.AddInterface("mask_position", config.MaskPosition)
 
 	return params, err

types.go

@@ -274,6 +274,12 @@ type Chat struct {
 	//
 	// optional
 	HasPrivateForwards bool `json:"has_private_forwards,omitempty"`
+	// HasRestrictedVoiceAndVideoMessages if the privacy settings of the other party 
+	// restrict sending voice and video note messages 
+	// in the private chat. Returned only in getChat.
+	//
+	// optional
+	HasRestrictedVoiceAndVideoMessages bool `json:"has_restricted_voice_and_video_messages,omitempty"`
 	// Description for groups, supergroups and channel chats
 	//
 	// optional
@@ -730,6 +736,7 @@ type MessageEntity struct {
 	//  “pre” (monowidth block),
 	//  “text_link” (for clickable text URLs),
 	//  “text_mention” (for users without usernames)
+	//  “text_mention” (for inline custom emoji stickers)
 	Type string `json:"type"`
 	// Offset in UTF-16 code units to the start of the entity
 	Offset int `json:"offset"`
@@ -747,6 +754,10 @@ type MessageEntity struct {
 	//
 	// optional
 	Language string `json:"language,omitempty"`
+	// CustomEmojiID for “custom_emoji” only, unique identifier of the custom emoji
+	//
+	// optional
+	CustomEmojiID string `json:"custom_emoji_id"`
 }
 
 // ParseURL attempts to parse a URL contained within a MessageEntity.
@@ -1984,6 +1995,13 @@ type InputMediaDocument struct {
 	DisableContentTypeDetection bool `json:"disable_content_type_detection,omitempty"`
 }
 
+// Constant values for sticker types
+const (
+	StickerTypeRegular     = "regular"
+	StickerTypeMask        = "mask"
+	StickerTypeCustomEmoji = "custom_emoji"
+)
+
 // Sticker represents a sticker.
 type Sticker struct {
 	// FileID is an identifier for this file, which can be used to download or
@@ -1993,6 +2011,10 @@ type Sticker struct {
 	// which is supposed to be the same over time and for different bots.
 	// Can't be used to download or reuse the file.
 	FileUniqueID string `json:"file_unique_id"`
+	// Type is a type of the sticker, currently one of “regular”,
+	// “mask”, “custom_emoji”. The type of the sticker is independent
+	// from its format, which is determined by the fields is_animated and is_video.
+	Type string `json:"type"`
 	// Width sticker width
 	Width int `json:"width"`
 	// Height sticker height
@@ -2036,6 +2058,21 @@ type Sticker struct {
 	FileSize int `json:"file_size,omitempty"`
 }
 
+// IsRegular returns if the Sticker is regular
+func (s Sticker) IsRegular() bool {
+	return s.Type == StickerTypeRegular
+}
+
+// IsMask returns if the Sticker is mask
+func (s Sticker) IsMask() bool {
+	return s.Type == StickerTypeMask
+}
+
+// IsCustomEmoji returns if the Sticker is custom emoji
+func (s Sticker) IsCustomEmoji() bool {
+	return s.Type == StickerTypeCustomEmoji
+}
+
 // StickerSet represents a sticker set.
 type StickerSet struct {
 	// Name sticker set name
@@ -2049,6 +2086,8 @@ type StickerSet struct {
 	// IsVideo true, if the sticker set contains video stickers
 	IsVideo bool `json:"is_video"`
 	// ContainsMasks true, if the sticker set contains masks
+	//
+	// deprecated. Use sticker_type instead
 	ContainsMasks bool `json:"contains_masks"`
 	// Stickers list of all set stickers
 	Stickers []Sticker `json:"stickers"`
@@ -2056,6 +2095,21 @@ type StickerSet struct {
 	Thumbnail *PhotoSize `json:"thumb"`
 }
 
+// IsRegular returns if the StickerSet is regular
+func (s StickerSet) IsRegular() bool {
+	return s.StickerType == StickerTypeRegular
+}
+
+// IsMask returns if the StickerSet is mask
+func (s StickerSet) IsMask() bool {
+	return s.StickerType == StickerTypeMask
+}
+
+// IsCustomEmoji returns if the StickerSet is custom emoji
+func (s StickerSet) IsCustomEmoji() bool {
+	return s.StickerType == StickerTypeCustomEmoji
+}
+
 // MaskPosition describes the position on faces where a mask should be placed
 // by default.
 type MaskPosition struct {