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/gen/example/tl_response_gen.go

@@ -0,0 +1,375 @@
+// Code generated by gotdgen, DO NOT EDIT.
+
+package td
+
+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{}
+)
+
+// ResponseID represents TL type `responseID#85d7fd8b`.
+//
+// See https://localhost:80/doc/constructor/responseID for reference.
+type ResponseID struct {
+	// ID field of ResponseID.
+	ID int32
+}
+
+// ResponseIDTypeID is TL type id of ResponseID.
+const ResponseIDTypeID = 0x85d7fd8b
+
+// construct implements constructor of ResponseClass.
+func (r ResponseID) construct() ResponseClass { return &r }
+
+// Ensuring interfaces in compile-time for ResponseID.
+var (
+	_ bin.Encoder     = &ResponseID{}
+	_ bin.Decoder     = &ResponseID{}
+	_ bin.BareEncoder = &ResponseID{}
+	_ bin.BareDecoder = &ResponseID{}
+
+	_ ResponseClass = &ResponseID{}
+)
+
+func (r *ResponseID) Zero() bool {
+	if r == nil {
+		return true
+	}
+	if !(r.ID == 0) {
+		return false
+	}
+
+	return true
+}
+
+// String implements fmt.Stringer.
+func (r *ResponseID) String() string {
+	if r == nil {
+		return "ResponseID(nil)"
+	}
+	type Alias ResponseID
+	return fmt.Sprintf("ResponseID%+v", Alias(*r))
+}
+
+// TypeID returns type id in TL schema.
+//
+// See https://core.telegram.org/mtproto/TL-tl#remarks.
+func (*ResponseID) TypeID() uint32 {
+	return ResponseIDTypeID
+}
+
+// TypeName returns name of type in TL schema.
+func (*ResponseID) TypeName() string {
+	return "responseID"
+}
+
+// TypeInfo returns info about TL type.
+func (r *ResponseID) TypeInfo() tdp.Type {
+	typ := tdp.Type{
+		Name: "responseID",
+		ID:   ResponseIDTypeID,
+	}
+	if r == nil {
+		typ.Null = true
+		return typ
+	}
+	typ.Fields = []tdp.Field{
+		{
+			Name:       "ID",
+			SchemaName: "id",
+		},
+	}
+	return typ
+}
+
+// Encode implements bin.Encoder.
+func (r *ResponseID) Encode(b *bin.Buffer) error {
+	if r == nil {
+		return fmt.Errorf("can't encode responseID#85d7fd8b as nil")
+	}
+	b.PutID(ResponseIDTypeID)
+	return r.EncodeBare(b)
+}
+
+// EncodeBare implements bin.BareEncoder.
+func (r *ResponseID) EncodeBare(b *bin.Buffer) error {
+	if r == nil {
+		return fmt.Errorf("can't encode responseID#85d7fd8b as nil")
+	}
+	b.PutInt32(r.ID)
+	return nil
+}
+
+// Decode implements bin.Decoder.
+func (r *ResponseID) Decode(b *bin.Buffer) error {
+	if r == nil {
+		return fmt.Errorf("can't decode responseID#85d7fd8b to nil")
+	}
+	if err := b.ConsumeID(ResponseIDTypeID); err != nil {
+		return fmt.Errorf("unable to decode responseID#85d7fd8b: %w", err)
+	}
+	return r.DecodeBare(b)
+}
+
+// DecodeBare implements bin.BareDecoder.
+func (r *ResponseID) DecodeBare(b *bin.Buffer) error {
+	if r == nil {
+		return fmt.Errorf("can't decode responseID#85d7fd8b to nil")
+	}
+	{
+		value, err := b.Int32()
+		if err != nil {
+			return fmt.Errorf("unable to decode responseID#85d7fd8b: field id: %w", err)
+		}
+		r.ID = value
+	}
+	return nil
+}
+
+// GetID returns value of ID field.
+func (r *ResponseID) GetID() (value int32) {
+	if r == nil {
+		return
+	}
+	return r.ID
+}
+
+// ResponseText represents TL type `responseText#cb0244f2`.
+//
+// See https://localhost:80/doc/constructor/responseText for reference.
+type ResponseText struct {
+	// Text field of ResponseText.
+	Text string
+}
+
+// ResponseTextTypeID is TL type id of ResponseText.
+const ResponseTextTypeID = 0xcb0244f2
+
+// construct implements constructor of ResponseClass.
+func (r ResponseText) construct() ResponseClass { return &r }
+
+// Ensuring interfaces in compile-time for ResponseText.
+var (
+	_ bin.Encoder     = &ResponseText{}
+	_ bin.Decoder     = &ResponseText{}
+	_ bin.BareEncoder = &ResponseText{}
+	_ bin.BareDecoder = &ResponseText{}
+
+	_ ResponseClass = &ResponseText{}
+)
+
+func (r *ResponseText) Zero() bool {
+	if r == nil {
+		return true
+	}
+	if !(r.Text == "") {
+		return false
+	}
+
+	return true
+}
+
+// String implements fmt.Stringer.
+func (r *ResponseText) String() string {
+	if r == nil {
+		return "ResponseText(nil)"
+	}
+	type Alias ResponseText
+	return fmt.Sprintf("ResponseText%+v", Alias(*r))
+}
+
+// TypeID returns type id in TL schema.
+//
+// See https://core.telegram.org/mtproto/TL-tl#remarks.
+func (*ResponseText) TypeID() uint32 {
+	return ResponseTextTypeID
+}
+
+// TypeName returns name of type in TL schema.
+func (*ResponseText) TypeName() string {
+	return "responseText"
+}
+
+// TypeInfo returns info about TL type.
+func (r *ResponseText) TypeInfo() tdp.Type {
+	typ := tdp.Type{
+		Name: "responseText",
+		ID:   ResponseTextTypeID,
+	}
+	if r == nil {
+		typ.Null = true
+		return typ
+	}
+	typ.Fields = []tdp.Field{
+		{
+			Name:       "Text",
+			SchemaName: "text",
+		},
+	}
+	return typ
+}
+
+// Encode implements bin.Encoder.
+func (r *ResponseText) Encode(b *bin.Buffer) error {
+	if r == nil {
+		return fmt.Errorf("can't encode responseText#cb0244f2 as nil")
+	}
+	b.PutID(ResponseTextTypeID)
+	return r.EncodeBare(b)
+}
+
+// EncodeBare implements bin.BareEncoder.
+func (r *ResponseText) EncodeBare(b *bin.Buffer) error {
+	if r == nil {
+		return fmt.Errorf("can't encode responseText#cb0244f2 as nil")
+	}
+	b.PutString(r.Text)
+	return nil
+}
+
+// Decode implements bin.Decoder.
+func (r *ResponseText) Decode(b *bin.Buffer) error {
+	if r == nil {
+		return fmt.Errorf("can't decode responseText#cb0244f2 to nil")
+	}
+	if err := b.ConsumeID(ResponseTextTypeID); err != nil {
+		return fmt.Errorf("unable to decode responseText#cb0244f2: %w", err)
+	}
+	return r.DecodeBare(b)
+}
+
+// DecodeBare implements bin.BareDecoder.
+func (r *ResponseText) DecodeBare(b *bin.Buffer) error {
+	if r == nil {
+		return fmt.Errorf("can't decode responseText#cb0244f2 to nil")
+	}
+	{
+		value, err := b.String()
+		if err != nil {
+			return fmt.Errorf("unable to decode responseText#cb0244f2: field text: %w", err)
+		}
+		r.Text = value
+	}
+	return nil
+}
+
+// GetText returns value of Text field.
+func (r *ResponseText) GetText() (value string) {
+	if r == nil {
+		return
+	}
+	return r.Text
+}
+
+// ResponseClassName is schema name of ResponseClass.
+const ResponseClassName = "Response"
+
+// ResponseClass represents Response generic type.
+//
+// See https://localhost:80/doc/type/Response for reference.
+//
+// Example:
+//
+//	g, err := td.DecodeResponse(buf)
+//	if err != nil {
+//	    panic(err)
+//	}
+//	switch v := g.(type) {
+//	case *td.ResponseID: // responseID#85d7fd8b
+//	case *td.ResponseText: // responseText#cb0244f2
+//	default: panic(v)
+//	}
+type ResponseClass interface {
+	bin.Encoder
+	bin.Decoder
+	bin.BareEncoder
+	bin.BareDecoder
+	construct() ResponseClass
+
+	// 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
+}
+
+// DecodeResponse implements binary de-serialization for ResponseClass.
+func DecodeResponse(buf *bin.Buffer) (ResponseClass, error) {
+	id, err := buf.PeekID()
+	if err != nil {
+		return nil, err
+	}
+	switch id {
+	case ResponseIDTypeID:
+		// Decoding responseID#85d7fd8b.
+		v := ResponseID{}
+		if err := v.Decode(buf); err != nil {
+			return nil, fmt.Errorf("unable to decode ResponseClass: %w", err)
+		}
+		return &v, nil
+	case ResponseTextTypeID:
+		// Decoding responseText#cb0244f2.
+		v := ResponseText{}
+		if err := v.Decode(buf); err != nil {
+			return nil, fmt.Errorf("unable to decode ResponseClass: %w", err)
+		}
+		return &v, nil
+	default:
+		return nil, fmt.Errorf("unable to decode ResponseClass: %w", bin.NewUnexpectedID(id))
+	}
+}
+
+// Response boxes the ResponseClass providing a helper.
+type ResponseBox struct {
+	Response ResponseClass
+}
+
+// Decode implements bin.Decoder for ResponseBox.
+func (b *ResponseBox) Decode(buf *bin.Buffer) error {
+	if b == nil {
+		return fmt.Errorf("unable to decode ResponseBox to nil")
+	}
+	v, err := DecodeResponse(buf)
+	if err != nil {
+		return fmt.Errorf("unable to decode boxed value: %w", err)
+	}
+	b.Response = v
+	return nil
+}
+
+// Encode implements bin.Encode for ResponseBox.
+func (b *ResponseBox) Encode(buf *bin.Buffer) error {
+	if b == nil || b.Response == nil {
+		return fmt.Errorf("unable to encode ResponseClass as nil")
+	}
+	return b.Response.Encode(buf)
+}