move gotd fork into repo. (#111)

- update to latest telegram layer
- remove some references to fields in tg.Entities that don't exist in
the schema
- originally added here:
https://github.com/beeper/td/commit/820929062a2ba0104397bc01235ab58a9cff780e
  - referenced here
-
https://github.com/mautrix/telegramgo/commit/124f0967ed195b5a380c9bd02e170ada9710dde3
-
https://github.com/mautrix/telegramgo/commit/4205047aab2e0639217148b5d125bfaab668bd8e

pkg/gotd/tdapi/tl_input_story_content_gen.go

@@ -0,0 +1,745 @@
+// Code generated by gotdgen, DO NOT EDIT.
+
+package tdapi
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"sort"
+	"strings"
+
+	"go.uber.org/multierr"
+
+	"go.mau.fi/mautrix-telegram/pkg/gotd/bin"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tdjson"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tdp"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tgerr"
+)
+
+// No-op definition for keeping imports.
+var (
+	_ = bin.Buffer{}
+	_ = context.Background()
+	_ = fmt.Stringer(nil)
+	_ = strings.Builder{}
+	_ = errors.Is
+	_ = multierr.AppendInto
+	_ = sort.Ints
+	_ = tdp.Format
+	_ = tgerr.Error{}
+	_ = tdjson.Encoder{}
+)
+
+// InputStoryContentPhoto represents TL type `inputStoryContentPhoto#3286fbe0`.
+type InputStoryContentPhoto struct {
+	// Photo to send. The photo must be at most 10 MB in size. The photo size must be
+	// 1080x1920
+	Photo InputFileClass
+	// File identifiers of the stickers added to the photo, if applicable
+	AddedStickerFileIDs []int32
+}
+
+// InputStoryContentPhotoTypeID is TL type id of InputStoryContentPhoto.
+const InputStoryContentPhotoTypeID = 0x3286fbe0
+
+// construct implements constructor of InputStoryContentClass.
+func (i InputStoryContentPhoto) construct() InputStoryContentClass { return &i }
+
+// Ensuring interfaces in compile-time for InputStoryContentPhoto.
+var (
+	_ bin.Encoder     = &InputStoryContentPhoto{}
+	_ bin.Decoder     = &InputStoryContentPhoto{}
+	_ bin.BareEncoder = &InputStoryContentPhoto{}
+	_ bin.BareDecoder = &InputStoryContentPhoto{}
+
+	_ InputStoryContentClass = &InputStoryContentPhoto{}
+)
+
+func (i *InputStoryContentPhoto) Zero() bool {
+	if i == nil {
+		return true
+	}
+	if !(i.Photo == nil) {
+		return false
+	}
+	if !(i.AddedStickerFileIDs == nil) {
+		return false
+	}
+
+	return true
+}
+
+// String implements fmt.Stringer.
+func (i *InputStoryContentPhoto) String() string {
+	if i == nil {
+		return "InputStoryContentPhoto(nil)"
+	}
+	type Alias InputStoryContentPhoto
+	return fmt.Sprintf("InputStoryContentPhoto%+v", Alias(*i))
+}
+
+// TypeID returns type id in TL schema.
+//
+// See https://core.telegram.org/mtproto/TL-tl#remarks.
+func (*InputStoryContentPhoto) TypeID() uint32 {
+	return InputStoryContentPhotoTypeID
+}
+
+// TypeName returns name of type in TL schema.
+func (*InputStoryContentPhoto) TypeName() string {
+	return "inputStoryContentPhoto"
+}
+
+// TypeInfo returns info about TL type.
+func (i *InputStoryContentPhoto) TypeInfo() tdp.Type {
+	typ := tdp.Type{
+		Name: "inputStoryContentPhoto",
+		ID:   InputStoryContentPhotoTypeID,
+	}
+	if i == nil {
+		typ.Null = true
+		return typ
+	}
+	typ.Fields = []tdp.Field{
+		{
+			Name:       "Photo",
+			SchemaName: "photo",
+		},
+		{
+			Name:       "AddedStickerFileIDs",
+			SchemaName: "added_sticker_file_ids",
+		},
+	}
+	return typ
+}
+
+// Encode implements bin.Encoder.
+func (i *InputStoryContentPhoto) Encode(b *bin.Buffer) error {
+	if i == nil {
+		return fmt.Errorf("can't encode inputStoryContentPhoto#3286fbe0 as nil")
+	}
+	b.PutID(InputStoryContentPhotoTypeID)
+	return i.EncodeBare(b)
+}
+
+// EncodeBare implements bin.BareEncoder.
+func (i *InputStoryContentPhoto) EncodeBare(b *bin.Buffer) error {
+	if i == nil {
+		return fmt.Errorf("can't encode inputStoryContentPhoto#3286fbe0 as nil")
+	}
+	if i.Photo == nil {
+		return fmt.Errorf("unable to encode inputStoryContentPhoto#3286fbe0: field photo is nil")
+	}
+	if err := i.Photo.Encode(b); err != nil {
+		return fmt.Errorf("unable to encode inputStoryContentPhoto#3286fbe0: field photo: %w", err)
+	}
+	b.PutInt(len(i.AddedStickerFileIDs))
+	for _, v := range i.AddedStickerFileIDs {
+		b.PutInt32(v)
+	}
+	return nil
+}
+
+// Decode implements bin.Decoder.
+func (i *InputStoryContentPhoto) Decode(b *bin.Buffer) error {
+	if i == nil {
+		return fmt.Errorf("can't decode inputStoryContentPhoto#3286fbe0 to nil")
+	}
+	if err := b.ConsumeID(InputStoryContentPhotoTypeID); err != nil {
+		return fmt.Errorf("unable to decode inputStoryContentPhoto#3286fbe0: %w", err)
+	}
+	return i.DecodeBare(b)
+}
+
+// DecodeBare implements bin.BareDecoder.
+func (i *InputStoryContentPhoto) DecodeBare(b *bin.Buffer) error {
+	if i == nil {
+		return fmt.Errorf("can't decode inputStoryContentPhoto#3286fbe0 to nil")
+	}
+	{
+		value, err := DecodeInputFile(b)
+		if err != nil {
+			return fmt.Errorf("unable to decode inputStoryContentPhoto#3286fbe0: field photo: %w", err)
+		}
+		i.Photo = value
+	}
+	{
+		headerLen, err := b.Int()
+		if err != nil {
+			return fmt.Errorf("unable to decode inputStoryContentPhoto#3286fbe0: field added_sticker_file_ids: %w", err)
+		}
+
+		if headerLen > 0 {
+			i.AddedStickerFileIDs = make([]int32, 0, headerLen%bin.PreallocateLimit)
+		}
+		for idx := 0; idx < headerLen; idx++ {
+			value, err := b.Int32()
+			if err != nil {
+				return fmt.Errorf("unable to decode inputStoryContentPhoto#3286fbe0: field added_sticker_file_ids: %w", err)
+			}
+			i.AddedStickerFileIDs = append(i.AddedStickerFileIDs, value)
+		}
+	}
+	return nil
+}
+
+// EncodeTDLibJSON implements tdjson.TDLibEncoder.
+func (i *InputStoryContentPhoto) EncodeTDLibJSON(b tdjson.Encoder) error {
+	if i == nil {
+		return fmt.Errorf("can't encode inputStoryContentPhoto#3286fbe0 as nil")
+	}
+	b.ObjStart()
+	b.PutID("inputStoryContentPhoto")
+	b.Comma()
+	b.FieldStart("photo")
+	if i.Photo == nil {
+		return fmt.Errorf("unable to encode inputStoryContentPhoto#3286fbe0: field photo is nil")
+	}
+	if err := i.Photo.EncodeTDLibJSON(b); err != nil {
+		return fmt.Errorf("unable to encode inputStoryContentPhoto#3286fbe0: field photo: %w", err)
+	}
+	b.Comma()
+	b.FieldStart("added_sticker_file_ids")
+	b.ArrStart()
+	for _, v := range i.AddedStickerFileIDs {
+		b.PutInt32(v)
+		b.Comma()
+	}
+	b.StripComma()
+	b.ArrEnd()
+	b.Comma()
+	b.StripComma()
+	b.ObjEnd()
+	return nil
+}
+
+// DecodeTDLibJSON implements tdjson.TDLibDecoder.
+func (i *InputStoryContentPhoto) DecodeTDLibJSON(b tdjson.Decoder) error {
+	if i == nil {
+		return fmt.Errorf("can't decode inputStoryContentPhoto#3286fbe0 to nil")
+	}
+
+	return b.Obj(func(b tdjson.Decoder, key []byte) error {
+		switch string(key) {
+		case tdjson.TypeField:
+			if err := b.ConsumeID("inputStoryContentPhoto"); err != nil {
+				return fmt.Errorf("unable to decode inputStoryContentPhoto#3286fbe0: %w", err)
+			}
+		case "photo":
+			value, err := DecodeTDLibJSONInputFile(b)
+			if err != nil {
+				return fmt.Errorf("unable to decode inputStoryContentPhoto#3286fbe0: field photo: %w", err)
+			}
+			i.Photo = value
+		case "added_sticker_file_ids":
+			if err := b.Arr(func(b tdjson.Decoder) error {
+				value, err := b.Int32()
+				if err != nil {
+					return fmt.Errorf("unable to decode inputStoryContentPhoto#3286fbe0: field added_sticker_file_ids: %w", err)
+				}
+				i.AddedStickerFileIDs = append(i.AddedStickerFileIDs, value)
+				return nil
+			}); err != nil {
+				return fmt.Errorf("unable to decode inputStoryContentPhoto#3286fbe0: field added_sticker_file_ids: %w", err)
+			}
+		default:
+			return b.Skip()
+		}
+		return nil
+	})
+}
+
+// GetPhoto returns value of Photo field.
+func (i *InputStoryContentPhoto) GetPhoto() (value InputFileClass) {
+	if i == nil {
+		return
+	}
+	return i.Photo
+}
+
+// GetAddedStickerFileIDs returns value of AddedStickerFileIDs field.
+func (i *InputStoryContentPhoto) GetAddedStickerFileIDs() (value []int32) {
+	if i == nil {
+		return
+	}
+	return i.AddedStickerFileIDs
+}
+
+// InputStoryContentVideo represents TL type `inputStoryContentVideo#cc1e4239`.
+type InputStoryContentVideo struct {
+	// Video to be sent. The video size must be 720x1280. The video must be streamable and
+	// stored in MPEG4 format, after encoding with H.265 codec and key frames added each
+	// second
+	Video InputFileClass
+	// File identifiers of the stickers added to the video, if applicable
+	AddedStickerFileIDs []int32
+	// Precise duration of the video, in seconds; 0-60
+	Duration float64
+	// Timestamp of the frame, which will be used as video thumbnail
+	CoverFrameTimestamp float64
+	// True, if the video has no sound
+	IsAnimation bool
+}
+
+// InputStoryContentVideoTypeID is TL type id of InputStoryContentVideo.
+const InputStoryContentVideoTypeID = 0xcc1e4239
+
+// construct implements constructor of InputStoryContentClass.
+func (i InputStoryContentVideo) construct() InputStoryContentClass { return &i }
+
+// Ensuring interfaces in compile-time for InputStoryContentVideo.
+var (
+	_ bin.Encoder     = &InputStoryContentVideo{}
+	_ bin.Decoder     = &InputStoryContentVideo{}
+	_ bin.BareEncoder = &InputStoryContentVideo{}
+	_ bin.BareDecoder = &InputStoryContentVideo{}
+
+	_ InputStoryContentClass = &InputStoryContentVideo{}
+)
+
+func (i *InputStoryContentVideo) Zero() bool {
+	if i == nil {
+		return true
+	}
+	if !(i.Video == nil) {
+		return false
+	}
+	if !(i.AddedStickerFileIDs == nil) {
+		return false
+	}
+	if !(i.Duration == 0) {
+		return false
+	}
+	if !(i.CoverFrameTimestamp == 0) {
+		return false
+	}
+	if !(i.IsAnimation == false) {
+		return false
+	}
+
+	return true
+}
+
+// String implements fmt.Stringer.
+func (i *InputStoryContentVideo) String() string {
+	if i == nil {
+		return "InputStoryContentVideo(nil)"
+	}
+	type Alias InputStoryContentVideo
+	return fmt.Sprintf("InputStoryContentVideo%+v", Alias(*i))
+}
+
+// TypeID returns type id in TL schema.
+//
+// See https://core.telegram.org/mtproto/TL-tl#remarks.
+func (*InputStoryContentVideo) TypeID() uint32 {
+	return InputStoryContentVideoTypeID
+}
+
+// TypeName returns name of type in TL schema.
+func (*InputStoryContentVideo) TypeName() string {
+	return "inputStoryContentVideo"
+}
+
+// TypeInfo returns info about TL type.
+func (i *InputStoryContentVideo) TypeInfo() tdp.Type {
+	typ := tdp.Type{
+		Name: "inputStoryContentVideo",
+		ID:   InputStoryContentVideoTypeID,
+	}
+	if i == nil {
+		typ.Null = true
+		return typ
+	}
+	typ.Fields = []tdp.Field{
+		{
+			Name:       "Video",
+			SchemaName: "video",
+		},
+		{
+			Name:       "AddedStickerFileIDs",
+			SchemaName: "added_sticker_file_ids",
+		},
+		{
+			Name:       "Duration",
+			SchemaName: "duration",
+		},
+		{
+			Name:       "CoverFrameTimestamp",
+			SchemaName: "cover_frame_timestamp",
+		},
+		{
+			Name:       "IsAnimation",
+			SchemaName: "is_animation",
+		},
+	}
+	return typ
+}
+
+// Encode implements bin.Encoder.
+func (i *InputStoryContentVideo) Encode(b *bin.Buffer) error {
+	if i == nil {
+		return fmt.Errorf("can't encode inputStoryContentVideo#cc1e4239 as nil")
+	}
+	b.PutID(InputStoryContentVideoTypeID)
+	return i.EncodeBare(b)
+}
+
+// EncodeBare implements bin.BareEncoder.
+func (i *InputStoryContentVideo) EncodeBare(b *bin.Buffer) error {
+	if i == nil {
+		return fmt.Errorf("can't encode inputStoryContentVideo#cc1e4239 as nil")
+	}
+	if i.Video == nil {
+		return fmt.Errorf("unable to encode inputStoryContentVideo#cc1e4239: field video is nil")
+	}
+	if err := i.Video.Encode(b); err != nil {
+		return fmt.Errorf("unable to encode inputStoryContentVideo#cc1e4239: field video: %w", err)
+	}
+	b.PutInt(len(i.AddedStickerFileIDs))
+	for _, v := range i.AddedStickerFileIDs {
+		b.PutInt32(v)
+	}
+	b.PutDouble(i.Duration)
+	b.PutDouble(i.CoverFrameTimestamp)
+	b.PutBool(i.IsAnimation)
+	return nil
+}
+
+// Decode implements bin.Decoder.
+func (i *InputStoryContentVideo) Decode(b *bin.Buffer) error {
+	if i == nil {
+		return fmt.Errorf("can't decode inputStoryContentVideo#cc1e4239 to nil")
+	}
+	if err := b.ConsumeID(InputStoryContentVideoTypeID); err != nil {
+		return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: %w", err)
+	}
+	return i.DecodeBare(b)
+}
+
+// DecodeBare implements bin.BareDecoder.
+func (i *InputStoryContentVideo) DecodeBare(b *bin.Buffer) error {
+	if i == nil {
+		return fmt.Errorf("can't decode inputStoryContentVideo#cc1e4239 to nil")
+	}
+	{
+		value, err := DecodeInputFile(b)
+		if err != nil {
+			return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: field video: %w", err)
+		}
+		i.Video = value
+	}
+	{
+		headerLen, err := b.Int()
+		if err != nil {
+			return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: field added_sticker_file_ids: %w", err)
+		}
+
+		if headerLen > 0 {
+			i.AddedStickerFileIDs = make([]int32, 0, headerLen%bin.PreallocateLimit)
+		}
+		for idx := 0; idx < headerLen; idx++ {
+			value, err := b.Int32()
+			if err != nil {
+				return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: field added_sticker_file_ids: %w", err)
+			}
+			i.AddedStickerFileIDs = append(i.AddedStickerFileIDs, value)
+		}
+	}
+	{
+		value, err := b.Double()
+		if err != nil {
+			return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: field duration: %w", err)
+		}
+		i.Duration = value
+	}
+	{
+		value, err := b.Double()
+		if err != nil {
+			return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: field cover_frame_timestamp: %w", err)
+		}
+		i.CoverFrameTimestamp = value
+	}
+	{
+		value, err := b.Bool()
+		if err != nil {
+			return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: field is_animation: %w", err)
+		}
+		i.IsAnimation = value
+	}
+	return nil
+}
+
+// EncodeTDLibJSON implements tdjson.TDLibEncoder.
+func (i *InputStoryContentVideo) EncodeTDLibJSON(b tdjson.Encoder) error {
+	if i == nil {
+		return fmt.Errorf("can't encode inputStoryContentVideo#cc1e4239 as nil")
+	}
+	b.ObjStart()
+	b.PutID("inputStoryContentVideo")
+	b.Comma()
+	b.FieldStart("video")
+	if i.Video == nil {
+		return fmt.Errorf("unable to encode inputStoryContentVideo#cc1e4239: field video is nil")
+	}
+	if err := i.Video.EncodeTDLibJSON(b); err != nil {
+		return fmt.Errorf("unable to encode inputStoryContentVideo#cc1e4239: field video: %w", err)
+	}
+	b.Comma()
+	b.FieldStart("added_sticker_file_ids")
+	b.ArrStart()
+	for _, v := range i.AddedStickerFileIDs {
+		b.PutInt32(v)
+		b.Comma()
+	}
+	b.StripComma()
+	b.ArrEnd()
+	b.Comma()
+	b.FieldStart("duration")
+	b.PutDouble(i.Duration)
+	b.Comma()
+	b.FieldStart("cover_frame_timestamp")
+	b.PutDouble(i.CoverFrameTimestamp)
+	b.Comma()
+	b.FieldStart("is_animation")
+	b.PutBool(i.IsAnimation)
+	b.Comma()
+	b.StripComma()
+	b.ObjEnd()
+	return nil
+}
+
+// DecodeTDLibJSON implements tdjson.TDLibDecoder.
+func (i *InputStoryContentVideo) DecodeTDLibJSON(b tdjson.Decoder) error {
+	if i == nil {
+		return fmt.Errorf("can't decode inputStoryContentVideo#cc1e4239 to nil")
+	}
+
+	return b.Obj(func(b tdjson.Decoder, key []byte) error {
+		switch string(key) {
+		case tdjson.TypeField:
+			if err := b.ConsumeID("inputStoryContentVideo"); err != nil {
+				return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: %w", err)
+			}
+		case "video":
+			value, err := DecodeTDLibJSONInputFile(b)
+			if err != nil {
+				return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: field video: %w", err)
+			}
+			i.Video = value
+		case "added_sticker_file_ids":
+			if err := b.Arr(func(b tdjson.Decoder) error {
+				value, err := b.Int32()
+				if err != nil {
+					return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: field added_sticker_file_ids: %w", err)
+				}
+				i.AddedStickerFileIDs = append(i.AddedStickerFileIDs, value)
+				return nil
+			}); err != nil {
+				return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: field added_sticker_file_ids: %w", err)
+			}
+		case "duration":
+			value, err := b.Double()
+			if err != nil {
+				return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: field duration: %w", err)
+			}
+			i.Duration = value
+		case "cover_frame_timestamp":
+			value, err := b.Double()
+			if err != nil {
+				return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: field cover_frame_timestamp: %w", err)
+			}
+			i.CoverFrameTimestamp = value
+		case "is_animation":
+			value, err := b.Bool()
+			if err != nil {
+				return fmt.Errorf("unable to decode inputStoryContentVideo#cc1e4239: field is_animation: %w", err)
+			}
+			i.IsAnimation = value
+		default:
+			return b.Skip()
+		}
+		return nil
+	})
+}
+
+// GetVideo returns value of Video field.
+func (i *InputStoryContentVideo) GetVideo() (value InputFileClass) {
+	if i == nil {
+		return
+	}
+	return i.Video
+}
+
+// GetAddedStickerFileIDs returns value of AddedStickerFileIDs field.
+func (i *InputStoryContentVideo) GetAddedStickerFileIDs() (value []int32) {
+	if i == nil {
+		return
+	}
+	return i.AddedStickerFileIDs
+}
+
+// GetDuration returns value of Duration field.
+func (i *InputStoryContentVideo) GetDuration() (value float64) {
+	if i == nil {
+		return
+	}
+	return i.Duration
+}
+
+// GetCoverFrameTimestamp returns value of CoverFrameTimestamp field.
+func (i *InputStoryContentVideo) GetCoverFrameTimestamp() (value float64) {
+	if i == nil {
+		return
+	}
+	return i.CoverFrameTimestamp
+}
+
+// GetIsAnimation returns value of IsAnimation field.
+func (i *InputStoryContentVideo) GetIsAnimation() (value bool) {
+	if i == nil {
+		return
+	}
+	return i.IsAnimation
+}
+
+// InputStoryContentClassName is schema name of InputStoryContentClass.
+const InputStoryContentClassName = "InputStoryContent"
+
+// InputStoryContentClass represents InputStoryContent generic type.
+//
+// Example:
+//
+//	g, err := tdapi.DecodeInputStoryContent(buf)
+//	if err != nil {
+//	    panic(err)
+//	}
+//	switch v := g.(type) {
+//	case *tdapi.InputStoryContentPhoto: // inputStoryContentPhoto#3286fbe0
+//	case *tdapi.InputStoryContentVideo: // inputStoryContentVideo#cc1e4239
+//	default: panic(v)
+//	}
+type InputStoryContentClass interface {
+	bin.Encoder
+	bin.Decoder
+	bin.BareEncoder
+	bin.BareDecoder
+	construct() InputStoryContentClass
+
+	// TypeID returns type id in TL schema.
+	//
+	// See https://core.telegram.org/mtproto/TL-tl#remarks.
+	TypeID() uint32
+	// TypeName returns name of type in TL schema.
+	TypeName() string
+	// String implements fmt.Stringer.
+	String() string
+	// Zero returns true if current object has a zero value.
+	Zero() bool
+
+	EncodeTDLibJSON(b tdjson.Encoder) error
+	DecodeTDLibJSON(b tdjson.Decoder) error
+
+	// File identifiers of the stickers added to the photo, if applicable
+	GetAddedStickerFileIDs() (value []int32)
+}
+
+// DecodeInputStoryContent implements binary de-serialization for InputStoryContentClass.
+func DecodeInputStoryContent(buf *bin.Buffer) (InputStoryContentClass, error) {
+	id, err := buf.PeekID()
+	if err != nil {
+		return nil, err
+	}
+	switch id {
+	case InputStoryContentPhotoTypeID:
+		// Decoding inputStoryContentPhoto#3286fbe0.
+		v := InputStoryContentPhoto{}
+		if err := v.Decode(buf); err != nil {
+			return nil, fmt.Errorf("unable to decode InputStoryContentClass: %w", err)
+		}
+		return &v, nil
+	case InputStoryContentVideoTypeID:
+		// Decoding inputStoryContentVideo#cc1e4239.
+		v := InputStoryContentVideo{}
+		if err := v.Decode(buf); err != nil {
+			return nil, fmt.Errorf("unable to decode InputStoryContentClass: %w", err)
+		}
+		return &v, nil
+	default:
+		return nil, fmt.Errorf("unable to decode InputStoryContentClass: %w", bin.NewUnexpectedID(id))
+	}
+}
+
+// DecodeTDLibJSONInputStoryContent implements binary de-serialization for InputStoryContentClass.
+func DecodeTDLibJSONInputStoryContent(buf tdjson.Decoder) (InputStoryContentClass, error) {
+	id, err := buf.FindTypeID()
+	if err != nil {
+		return nil, err
+	}
+	switch id {
+	case "inputStoryContentPhoto":
+		// Decoding inputStoryContentPhoto#3286fbe0.
+		v := InputStoryContentPhoto{}
+		if err := v.DecodeTDLibJSON(buf); err != nil {
+			return nil, fmt.Errorf("unable to decode InputStoryContentClass: %w", err)
+		}
+		return &v, nil
+	case "inputStoryContentVideo":
+		// Decoding inputStoryContentVideo#cc1e4239.
+		v := InputStoryContentVideo{}
+		if err := v.DecodeTDLibJSON(buf); err != nil {
+			return nil, fmt.Errorf("unable to decode InputStoryContentClass: %w", err)
+		}
+		return &v, nil
+	default:
+		return nil, fmt.Errorf("unable to decode InputStoryContentClass: %w", tdjson.NewUnexpectedID(id))
+	}
+}
+
+// InputStoryContent boxes the InputStoryContentClass providing a helper.
+type InputStoryContentBox struct {
+	InputStoryContent InputStoryContentClass
+}
+
+// Decode implements bin.Decoder for InputStoryContentBox.
+func (b *InputStoryContentBox) Decode(buf *bin.Buffer) error {
+	if b == nil {
+		return fmt.Errorf("unable to decode InputStoryContentBox to nil")
+	}
+	v, err := DecodeInputStoryContent(buf)
+	if err != nil {
+		return fmt.Errorf("unable to decode boxed value: %w", err)
+	}
+	b.InputStoryContent = v
+	return nil
+}
+
+// Encode implements bin.Encode for InputStoryContentBox.
+func (b *InputStoryContentBox) Encode(buf *bin.Buffer) error {
+	if b == nil || b.InputStoryContent == nil {
+		return fmt.Errorf("unable to encode InputStoryContentClass as nil")
+	}
+	return b.InputStoryContent.Encode(buf)
+}
+
+// DecodeTDLibJSON implements bin.Decoder for InputStoryContentBox.
+func (b *InputStoryContentBox) DecodeTDLibJSON(buf tdjson.Decoder) error {
+	if b == nil {
+		return fmt.Errorf("unable to decode InputStoryContentBox to nil")
+	}
+	v, err := DecodeTDLibJSONInputStoryContent(buf)
+	if err != nil {
+		return fmt.Errorf("unable to decode boxed value: %w", err)
+	}
+	b.InputStoryContent = v
+	return nil
+}
+
+// EncodeTDLibJSON implements bin.Encode for InputStoryContentBox.
+func (b *InputStoryContentBox) EncodeTDLibJSON(buf tdjson.Encoder) error {
+	if b == nil || b.InputStoryContent == nil {
+		return fmt.Errorf("unable to encode InputStoryContentClass as nil")
+	}
+	return b.InputStoryContent.EncodeTDLibJSON(buf)
+}