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/tg/tl_channels_get_channels_gen.go

@@ -0,0 +1,215 @@
+// Code generated by gotdgen, DO NOT EDIT.
+
+package tg
+
+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{}
+)
+
+// ChannelsGetChannelsRequest represents TL type `channels.getChannels#a7f6bbb`.
+// Get info about channels/supergroups¹
+//
+// Links:
+//  1. https://core.telegram.org/api/channel
+//
+// See https://core.telegram.org/method/channels.getChannels for reference.
+type ChannelsGetChannelsRequest struct {
+	// IDs of channels/supergroups to get info about
+	ID []InputChannelClass
+}
+
+// ChannelsGetChannelsRequestTypeID is TL type id of ChannelsGetChannelsRequest.
+const ChannelsGetChannelsRequestTypeID = 0xa7f6bbb
+
+// Ensuring interfaces in compile-time for ChannelsGetChannelsRequest.
+var (
+	_ bin.Encoder     = &ChannelsGetChannelsRequest{}
+	_ bin.Decoder     = &ChannelsGetChannelsRequest{}
+	_ bin.BareEncoder = &ChannelsGetChannelsRequest{}
+	_ bin.BareDecoder = &ChannelsGetChannelsRequest{}
+)
+
+func (g *ChannelsGetChannelsRequest) Zero() bool {
+	if g == nil {
+		return true
+	}
+	if !(g.ID == nil) {
+		return false
+	}
+
+	return true
+}
+
+// String implements fmt.Stringer.
+func (g *ChannelsGetChannelsRequest) String() string {
+	if g == nil {
+		return "ChannelsGetChannelsRequest(nil)"
+	}
+	type Alias ChannelsGetChannelsRequest
+	return fmt.Sprintf("ChannelsGetChannelsRequest%+v", Alias(*g))
+}
+
+// FillFrom fills ChannelsGetChannelsRequest from given interface.
+func (g *ChannelsGetChannelsRequest) FillFrom(from interface {
+	GetID() (value []InputChannelClass)
+}) {
+	g.ID = from.GetID()
+}
+
+// TypeID returns type id in TL schema.
+//
+// See https://core.telegram.org/mtproto/TL-tl#remarks.
+func (*ChannelsGetChannelsRequest) TypeID() uint32 {
+	return ChannelsGetChannelsRequestTypeID
+}
+
+// TypeName returns name of type in TL schema.
+func (*ChannelsGetChannelsRequest) TypeName() string {
+	return "channels.getChannels"
+}
+
+// TypeInfo returns info about TL type.
+func (g *ChannelsGetChannelsRequest) TypeInfo() tdp.Type {
+	typ := tdp.Type{
+		Name: "channels.getChannels",
+		ID:   ChannelsGetChannelsRequestTypeID,
+	}
+	if g == nil {
+		typ.Null = true
+		return typ
+	}
+	typ.Fields = []tdp.Field{
+		{
+			Name:       "ID",
+			SchemaName: "id",
+		},
+	}
+	return typ
+}
+
+// Encode implements bin.Encoder.
+func (g *ChannelsGetChannelsRequest) Encode(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't encode channels.getChannels#a7f6bbb as nil")
+	}
+	b.PutID(ChannelsGetChannelsRequestTypeID)
+	return g.EncodeBare(b)
+}
+
+// EncodeBare implements bin.BareEncoder.
+func (g *ChannelsGetChannelsRequest) EncodeBare(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't encode channels.getChannels#a7f6bbb as nil")
+	}
+	b.PutVectorHeader(len(g.ID))
+	for idx, v := range g.ID {
+		if v == nil {
+			return fmt.Errorf("unable to encode channels.getChannels#a7f6bbb: field id element with index %d is nil", idx)
+		}
+		if err := v.Encode(b); err != nil {
+			return fmt.Errorf("unable to encode channels.getChannels#a7f6bbb: field id element with index %d: %w", idx, err)
+		}
+	}
+	return nil
+}
+
+// Decode implements bin.Decoder.
+func (g *ChannelsGetChannelsRequest) Decode(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't decode channels.getChannels#a7f6bbb to nil")
+	}
+	if err := b.ConsumeID(ChannelsGetChannelsRequestTypeID); err != nil {
+		return fmt.Errorf("unable to decode channels.getChannels#a7f6bbb: %w", err)
+	}
+	return g.DecodeBare(b)
+}
+
+// DecodeBare implements bin.BareDecoder.
+func (g *ChannelsGetChannelsRequest) DecodeBare(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't decode channels.getChannels#a7f6bbb to nil")
+	}
+	{
+		headerLen, err := b.VectorHeader()
+		if err != nil {
+			return fmt.Errorf("unable to decode channels.getChannels#a7f6bbb: field id: %w", err)
+		}
+
+		if headerLen > 0 {
+			g.ID = make([]InputChannelClass, 0, headerLen%bin.PreallocateLimit)
+		}
+		for idx := 0; idx < headerLen; idx++ {
+			value, err := DecodeInputChannel(b)
+			if err != nil {
+				return fmt.Errorf("unable to decode channels.getChannels#a7f6bbb: field id: %w", err)
+			}
+			g.ID = append(g.ID, value)
+		}
+	}
+	return nil
+}
+
+// GetID returns value of ID field.
+func (g *ChannelsGetChannelsRequest) GetID() (value []InputChannelClass) {
+	if g == nil {
+		return
+	}
+	return g.ID
+}
+
+// MapID returns field ID wrapped in InputChannelClassArray helper.
+func (g *ChannelsGetChannelsRequest) MapID() (value InputChannelClassArray) {
+	return InputChannelClassArray(g.ID)
+}
+
+// ChannelsGetChannels invokes method channels.getChannels#a7f6bbb returning error if any.
+// Get info about channels/supergroups¹
+//
+// Links:
+//  1. https://core.telegram.org/api/channel
+//
+// Possible errors:
+//
+//	400 CHANNEL_INVALID: The provided channel is invalid.
+//	406 CHANNEL_PRIVATE: You haven't joined this channel/supergroup.
+//	400 MSG_ID_INVALID: Invalid message ID provided.
+//	400 USER_BANNED_IN_CHANNEL: You're banned from sending messages in supergroups/channels.
+//
+// See https://core.telegram.org/method/channels.getChannels for reference.
+// Can be used by bots.
+func (c *Client) ChannelsGetChannels(ctx context.Context, id []InputChannelClass) (MessagesChatsClass, error) {
+	var result MessagesChatsBox
+
+	request := &ChannelsGetChannelsRequest{
+		ID: id,
+	}
+	if err := c.rpc.Invoke(ctx, request, &result); err != nil {
+		return nil, err
+	}
+	return result.Chats, nil
+}