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/telegram/peers/supergroup_test.go

@@ -0,0 +1,77 @@
+package peers
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tg"
+)
+
+func getTestSuperGroup() *tg.Channel {
+	testChannel := getTestChannel()
+	testChannel.ID *= 2
+	testChannel.Broadcast = false
+	testChannel.Megagroup = true
+	return testChannel
+}
+
+func TestSupergroup_ToggleSlowMode(t *testing.T) {
+	a := require.New(t)
+	ctx := context.Background()
+	mock, m := testManager(t)
+
+	ch := m.Channel(getTestSuperGroup())
+
+	s, ok := ch.ToSupergroup()
+	a.True(ok)
+
+	mock.ExpectCall(&tg.ChannelsToggleSlowModeRequest{
+		Channel: s.InputChannel(),
+		Seconds: 1,
+	}).ThenRPCErr(getTestError())
+	a.Error(s.ToggleSlowMode(ctx, 1))
+
+	mock.ExpectCall(&tg.ChannelsToggleSlowModeRequest{
+		Channel: s.InputChannel(),
+		Seconds: 1,
+	}).ThenResult(&tg.Updates{})
+	a.NoError(s.ToggleSlowMode(ctx, 1))
+
+	mock.ExpectCall(&tg.ChannelsToggleSlowModeRequest{
+		Channel: s.InputChannel(),
+		Seconds: 0,
+	}).ThenResult(&tg.Updates{})
+	a.NoError(s.DisableSlowMode(ctx))
+}
+
+func TestSupergroup_SetStickerSet(t *testing.T) {
+	a := require.New(t)
+	ctx := context.Background()
+	mock, m := testManager(t)
+
+	set := &tg.InputStickerSetShortName{ShortName: "gotd_stickers"}
+	ch := m.Channel(getTestSuperGroup())
+
+	s, ok := ch.ToSupergroup()
+	a.True(ok)
+
+	mock.ExpectCall(&tg.ChannelsSetStickersRequest{
+		Channel:    s.InputChannel(),
+		Stickerset: set,
+	}).ThenRPCErr(getTestError())
+	a.Error(s.SetStickerSet(ctx, set))
+
+	mock.ExpectCall(&tg.ChannelsSetStickersRequest{
+		Channel:    s.InputChannel(),
+		Stickerset: set,
+	}).ThenTrue()
+	a.NoError(s.SetStickerSet(ctx, set))
+
+	mock.ExpectCall(&tg.ChannelsSetStickersRequest{
+		Channel:    s.InputChannel(),
+		Stickerset: &tg.InputStickerSetEmpty{},
+	}).ThenTrue()
+	a.NoError(s.ResetStickerSet(ctx))
+}