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/mt/tl_pong_gen.go

@@ -0,0 +1,177 @@
+// Code generated by gotdgen, DO NOT EDIT.
+
+package mt
+
+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{}
+)
+
+// Pong represents TL type `pong#347773c5`.
+type Pong struct {
+	// MsgID field of Pong.
+	MsgID int64
+	// PingID field of Pong.
+	PingID int64
+}
+
+// PongTypeID is TL type id of Pong.
+const PongTypeID = 0x347773c5
+
+// Ensuring interfaces in compile-time for Pong.
+var (
+	_ bin.Encoder     = &Pong{}
+	_ bin.Decoder     = &Pong{}
+	_ bin.BareEncoder = &Pong{}
+	_ bin.BareDecoder = &Pong{}
+)
+
+func (p *Pong) Zero() bool {
+	if p == nil {
+		return true
+	}
+	if !(p.MsgID == 0) {
+		return false
+	}
+	if !(p.PingID == 0) {
+		return false
+	}
+
+	return true
+}
+
+// String implements fmt.Stringer.
+func (p *Pong) String() string {
+	if p == nil {
+		return "Pong(nil)"
+	}
+	type Alias Pong
+	return fmt.Sprintf("Pong%+v", Alias(*p))
+}
+
+// TypeID returns type id in TL schema.
+//
+// See https://core.telegram.org/mtproto/TL-tl#remarks.
+func (*Pong) TypeID() uint32 {
+	return PongTypeID
+}
+
+// TypeName returns name of type in TL schema.
+func (*Pong) TypeName() string {
+	return "pong"
+}
+
+// TypeInfo returns info about TL type.
+func (p *Pong) TypeInfo() tdp.Type {
+	typ := tdp.Type{
+		Name: "pong",
+		ID:   PongTypeID,
+	}
+	if p == nil {
+		typ.Null = true
+		return typ
+	}
+	typ.Fields = []tdp.Field{
+		{
+			Name:       "MsgID",
+			SchemaName: "msg_id",
+		},
+		{
+			Name:       "PingID",
+			SchemaName: "ping_id",
+		},
+	}
+	return typ
+}
+
+// Encode implements bin.Encoder.
+func (p *Pong) Encode(b *bin.Buffer) error {
+	if p == nil {
+		return fmt.Errorf("can't encode pong#347773c5 as nil")
+	}
+	b.PutID(PongTypeID)
+	return p.EncodeBare(b)
+}
+
+// EncodeBare implements bin.BareEncoder.
+func (p *Pong) EncodeBare(b *bin.Buffer) error {
+	if p == nil {
+		return fmt.Errorf("can't encode pong#347773c5 as nil")
+	}
+	b.PutLong(p.MsgID)
+	b.PutLong(p.PingID)
+	return nil
+}
+
+// Decode implements bin.Decoder.
+func (p *Pong) Decode(b *bin.Buffer) error {
+	if p == nil {
+		return fmt.Errorf("can't decode pong#347773c5 to nil")
+	}
+	if err := b.ConsumeID(PongTypeID); err != nil {
+		return fmt.Errorf("unable to decode pong#347773c5: %w", err)
+	}
+	return p.DecodeBare(b)
+}
+
+// DecodeBare implements bin.BareDecoder.
+func (p *Pong) DecodeBare(b *bin.Buffer) error {
+	if p == nil {
+		return fmt.Errorf("can't decode pong#347773c5 to nil")
+	}
+	{
+		value, err := b.Long()
+		if err != nil {
+			return fmt.Errorf("unable to decode pong#347773c5: field msg_id: %w", err)
+		}
+		p.MsgID = value
+	}
+	{
+		value, err := b.Long()
+		if err != nil {
+			return fmt.Errorf("unable to decode pong#347773c5: field ping_id: %w", err)
+		}
+		p.PingID = value
+	}
+	return nil
+}
+
+// GetMsgID returns value of MsgID field.
+func (p *Pong) GetMsgID() (value int64) {
+	if p == nil {
+		return
+	}
+	return p.MsgID
+}
+
+// GetPingID returns value of PingID field.
+func (p *Pong) GetPingID() (value int64) {
+	if p == nil {
+		return
+	}
+	return p.PingID
+}