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_get_gift_upgrade_preview_gen.go

@@ -0,0 +1,206 @@
+// 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{}
+)
+
+// GetGiftUpgradePreviewRequest represents TL type `getGiftUpgradePreview#bdcbc25d`.
+type GetGiftUpgradePreviewRequest struct {
+	// Identifier of the gift
+	GiftID int64
+}
+
+// GetGiftUpgradePreviewRequestTypeID is TL type id of GetGiftUpgradePreviewRequest.
+const GetGiftUpgradePreviewRequestTypeID = 0xbdcbc25d
+
+// Ensuring interfaces in compile-time for GetGiftUpgradePreviewRequest.
+var (
+	_ bin.Encoder     = &GetGiftUpgradePreviewRequest{}
+	_ bin.Decoder     = &GetGiftUpgradePreviewRequest{}
+	_ bin.BareEncoder = &GetGiftUpgradePreviewRequest{}
+	_ bin.BareDecoder = &GetGiftUpgradePreviewRequest{}
+)
+
+func (g *GetGiftUpgradePreviewRequest) Zero() bool {
+	if g == nil {
+		return true
+	}
+	if !(g.GiftID == 0) {
+		return false
+	}
+
+	return true
+}
+
+// String implements fmt.Stringer.
+func (g *GetGiftUpgradePreviewRequest) String() string {
+	if g == nil {
+		return "GetGiftUpgradePreviewRequest(nil)"
+	}
+	type Alias GetGiftUpgradePreviewRequest
+	return fmt.Sprintf("GetGiftUpgradePreviewRequest%+v", Alias(*g))
+}
+
+// TypeID returns type id in TL schema.
+//
+// See https://core.telegram.org/mtproto/TL-tl#remarks.
+func (*GetGiftUpgradePreviewRequest) TypeID() uint32 {
+	return GetGiftUpgradePreviewRequestTypeID
+}
+
+// TypeName returns name of type in TL schema.
+func (*GetGiftUpgradePreviewRequest) TypeName() string {
+	return "getGiftUpgradePreview"
+}
+
+// TypeInfo returns info about TL type.
+func (g *GetGiftUpgradePreviewRequest) TypeInfo() tdp.Type {
+	typ := tdp.Type{
+		Name: "getGiftUpgradePreview",
+		ID:   GetGiftUpgradePreviewRequestTypeID,
+	}
+	if g == nil {
+		typ.Null = true
+		return typ
+	}
+	typ.Fields = []tdp.Field{
+		{
+			Name:       "GiftID",
+			SchemaName: "gift_id",
+		},
+	}
+	return typ
+}
+
+// Encode implements bin.Encoder.
+func (g *GetGiftUpgradePreviewRequest) Encode(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't encode getGiftUpgradePreview#bdcbc25d as nil")
+	}
+	b.PutID(GetGiftUpgradePreviewRequestTypeID)
+	return g.EncodeBare(b)
+}
+
+// EncodeBare implements bin.BareEncoder.
+func (g *GetGiftUpgradePreviewRequest) EncodeBare(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't encode getGiftUpgradePreview#bdcbc25d as nil")
+	}
+	b.PutLong(g.GiftID)
+	return nil
+}
+
+// Decode implements bin.Decoder.
+func (g *GetGiftUpgradePreviewRequest) Decode(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't decode getGiftUpgradePreview#bdcbc25d to nil")
+	}
+	if err := b.ConsumeID(GetGiftUpgradePreviewRequestTypeID); err != nil {
+		return fmt.Errorf("unable to decode getGiftUpgradePreview#bdcbc25d: %w", err)
+	}
+	return g.DecodeBare(b)
+}
+
+// DecodeBare implements bin.BareDecoder.
+func (g *GetGiftUpgradePreviewRequest) DecodeBare(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't decode getGiftUpgradePreview#bdcbc25d to nil")
+	}
+	{
+		value, err := b.Long()
+		if err != nil {
+			return fmt.Errorf("unable to decode getGiftUpgradePreview#bdcbc25d: field gift_id: %w", err)
+		}
+		g.GiftID = value
+	}
+	return nil
+}
+
+// EncodeTDLibJSON implements tdjson.TDLibEncoder.
+func (g *GetGiftUpgradePreviewRequest) EncodeTDLibJSON(b tdjson.Encoder) error {
+	if g == nil {
+		return fmt.Errorf("can't encode getGiftUpgradePreview#bdcbc25d as nil")
+	}
+	b.ObjStart()
+	b.PutID("getGiftUpgradePreview")
+	b.Comma()
+	b.FieldStart("gift_id")
+	b.PutLong(g.GiftID)
+	b.Comma()
+	b.StripComma()
+	b.ObjEnd()
+	return nil
+}
+
+// DecodeTDLibJSON implements tdjson.TDLibDecoder.
+func (g *GetGiftUpgradePreviewRequest) DecodeTDLibJSON(b tdjson.Decoder) error {
+	if g == nil {
+		return fmt.Errorf("can't decode getGiftUpgradePreview#bdcbc25d to nil")
+	}
+
+	return b.Obj(func(b tdjson.Decoder, key []byte) error {
+		switch string(key) {
+		case tdjson.TypeField:
+			if err := b.ConsumeID("getGiftUpgradePreview"); err != nil {
+				return fmt.Errorf("unable to decode getGiftUpgradePreview#bdcbc25d: %w", err)
+			}
+		case "gift_id":
+			value, err := b.Long()
+			if err != nil {
+				return fmt.Errorf("unable to decode getGiftUpgradePreview#bdcbc25d: field gift_id: %w", err)
+			}
+			g.GiftID = value
+		default:
+			return b.Skip()
+		}
+		return nil
+	})
+}
+
+// GetGiftID returns value of GiftID field.
+func (g *GetGiftUpgradePreviewRequest) GetGiftID() (value int64) {
+	if g == nil {
+		return
+	}
+	return g.GiftID
+}
+
+// GetGiftUpgradePreview invokes method getGiftUpgradePreview#bdcbc25d returning error if any.
+func (c *Client) GetGiftUpgradePreview(ctx context.Context, giftid int64) (*GiftUpgradePreview, error) {
+	var result GiftUpgradePreview
+
+	request := &GetGiftUpgradePreviewRequest{
+		GiftID: giftid,
+	}
+	if err := c.rpc.Invoke(ctx, request, &result); err != nil {
+		return nil, err
+	}
+	return &result, nil
+}