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/proto/codec/benchmark_test.go

@@ -0,0 +1,86 @@
+package codec
+
+import (
+	"bytes"
+	"crypto/rand"
+	"io"
+	"testing"
+
+	"go.mau.fi/mautrix-telegram/pkg/gotd/bin"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/testutil"
+)
+
+func benchWrite(codec Codec) func(payloadSize int) func(b *testing.B) {
+	return func(payloadSize int) func(b *testing.B) {
+		return func(b *testing.B) {
+			buf := bin.Buffer{Buf: make([]byte, payloadSize)}
+			if _, err := io.ReadFull(rand.Reader, buf.Buf); err != nil {
+				b.Fatal(err)
+			}
+
+			b.ReportAllocs()
+			b.SetBytes(int64(buf.Len() + 4))
+			b.ResetTimer()
+
+			for i := 0; i < b.N; i++ {
+				if err := codec.Write(io.Discard, &buf); err != nil {
+					b.Fatal(err)
+				}
+			}
+		}
+	}
+}
+
+func BenchmarkWrite(b *testing.B) {
+	b.Run("Abridged", func(b *testing.B) {
+		testutil.RunPayloads(b, benchWrite(Abridged{}))
+	})
+	b.Run("Intermediate", func(b *testing.B) {
+		testutil.RunPayloads(b, benchWrite(Intermediate{}))
+	})
+	b.Run("PaddedIntermediate", func(b *testing.B) {
+		testutil.RunPayloads(b, benchWrite(PaddedIntermediate{}))
+	})
+}
+
+func benchRead(codec Codec) func(payloadSize int) func(b *testing.B) {
+	return func(payloadSize int) func(b *testing.B) {
+		return func(b *testing.B) {
+			buf := bin.Buffer{Buf: make([]byte, payloadSize)}
+			if _, err := io.ReadFull(rand.Reader, buf.Buf); err != nil {
+				b.Fatal(err)
+			}
+
+			out := new(bytes.Buffer)
+			if err := codec.Write(out, &buf); err != nil {
+				b.Fatal(err)
+			}
+			raw := out.Bytes()
+			reader := bytes.NewReader(nil)
+
+			b.ReportAllocs()
+			b.SetBytes(int64(buf.Len() + 4))
+			b.ResetTimer()
+
+			for i := 0; i < b.N; i++ {
+				reader.Reset(raw)
+				if err := codec.Read(reader, &buf); err != nil {
+					b.Fatal(err)
+				}
+				buf.Reset()
+			}
+		}
+	}
+}
+
+func BenchmarkRead(b *testing.B) {
+	b.Run("Abridged", func(b *testing.B) {
+		testutil.RunPayloads(b, benchRead(Abridged{}))
+	})
+	b.Run("Intermediate", func(b *testing.B) {
+		testutil.RunPayloads(b, benchRead(Intermediate{}))
+	})
+	b.Run("PaddedIntermediate", func(b *testing.B) {
+		testutil.RunPayloads(b, benchRead(PaddedIntermediate{}))
+	})
+}