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/memory_storage_test.go

@@ -0,0 +1,149 @@
+package peers
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tg"
+)
+
+func TestMemoryStorage(t *testing.T) {
+	ctx := context.Background()
+	a := require.New(t)
+	k := Key{
+		Prefix: usersPrefix,
+		ID:     1,
+	}
+	v := Value{
+		AccessHash: 10,
+	}
+	phone := "phone"
+
+	var m InmemoryStorage
+	_, found, err := m.Find(ctx, k)
+	a.NoError(err)
+	a.False(found)
+
+	a.NoError(m.Save(ctx, k, v))
+
+	v2, found, err := m.Find(ctx, k)
+	a.NoError(err)
+	a.True(found)
+	a.Equal(v, v2)
+
+	_, _, found, err = m.FindPhone(ctx, phone)
+	a.NoError(err)
+	a.False(found)
+
+	a.NoError(m.SavePhone(ctx, phone, k))
+
+	k2, v2, found, err := m.FindPhone(ctx, phone)
+	a.NoError(err)
+	a.True(found)
+	a.Equal(k, k2)
+	a.Equal(v, v2)
+
+	hash, err := m.GetContactsHash(ctx)
+	a.NoError(err)
+	a.Zero(hash)
+
+	a.NoError(m.SaveContactsHash(ctx, 1))
+
+	hash, err = m.GetContactsHash(ctx)
+	a.NoError(err)
+	a.Equal(int64(1), hash)
+}
+
+func TestInmemoryCache(t *testing.T) {
+	ctx := context.Background()
+	a := require.New(t)
+
+	var m InmemoryCache
+
+	{
+		value := &tg.User{ID: 10}
+
+		_, found, err := m.FindUser(ctx, value.GetID())
+		a.NoError(err)
+		a.False(found)
+
+		a.NoError(m.SaveUsers(ctx, value))
+
+		r, found, err := m.FindUser(ctx, value.GetID())
+		a.NoError(err)
+		a.True(found)
+		a.Equal(value, r)
+	}
+	{
+		value := &tg.UserFull{ID: 10}
+
+		_, found, err := m.FindUserFull(ctx, value.GetID())
+		a.NoError(err)
+		a.False(found)
+
+		a.NoError(m.SaveUserFulls(ctx, value))
+
+		r, found, err := m.FindUserFull(ctx, value.GetID())
+		a.NoError(err)
+		a.True(found)
+		a.Equal(value, r)
+	}
+	{
+		value := &tg.Chat{ID: 10}
+
+		_, found, err := m.FindChat(ctx, value.GetID())
+		a.NoError(err)
+		a.False(found)
+
+		a.NoError(m.SaveChats(ctx, value))
+
+		r, found, err := m.FindChat(ctx, value.GetID())
+		a.NoError(err)
+		a.True(found)
+		a.Equal(value, r)
+	}
+	{
+		value := &tg.ChatFull{ID: 10}
+
+		_, found, err := m.FindChatFull(ctx, value.GetID())
+		a.NoError(err)
+		a.False(found)
+
+		a.NoError(m.SaveChatFulls(ctx, value))
+
+		r, found, err := m.FindChatFull(ctx, value.GetID())
+		a.NoError(err)
+		a.True(found)
+		a.Equal(value, r)
+	}
+	{
+		value := &tg.Channel{ID: 10}
+
+		_, found, err := m.FindChannel(ctx, value.GetID())
+		a.NoError(err)
+		a.False(found)
+
+		a.NoError(m.SaveChannels(ctx, value))
+
+		r, found, err := m.FindChannel(ctx, value.GetID())
+		a.NoError(err)
+		a.True(found)
+		a.Equal(value, r)
+	}
+	{
+		value := &tg.ChannelFull{ID: 10}
+
+		_, found, err := m.FindChannelFull(ctx, value.GetID())
+		a.NoError(err)
+		a.False(found)
+
+		a.NoError(m.SaveChannelFulls(ctx, value))
+
+		r, found, err := m.FindChannelFull(ctx, value.GetID())
+		a.NoError(err)
+		a.True(found)
+		a.Equal(value, r)
+	}
+}