fix: sync protocol and discussion stability fixes

internal/mtprotoedge/inbound_preflight_bench_test.go

@@ -0,0 +1,44 @@
+package mtprotoedge
+
+import (
+	"testing"
+	"time"
+
+	"github.com/gotd/td/bin"
+	"github.com/gotd/td/proto"
+	"github.com/gotd/td/tg"
+)
+
+func BenchmarkInboundPlan32RPCContainer(b *testing.B) {
+	ids := proto.NewMessageIDGen(time.Now)
+	messages := make([]proto.Message, 32)
+	var request bin.Buffer
+	if err := (&tg.HelpGetConfigRequest{}).Encode(&request); err != nil {
+		b.Fatal(err)
+	}
+	requestBody := request.Copy()
+	for i := range messages {
+		messages[i] = proto.Message{
+			ID: ids.New(proto.MessageFromClient), SeqNo: 1 + i*2, Bytes: len(requestBody), Body: requestBody,
+		}
+	}
+	outerMsgID := ids.New(proto.MessageFromClient)
+	var container bin.Buffer
+	if err := (&proto.MessageContainer{Messages: messages}).Encode(&container); err != nil {
+		b.Fatal(err)
+	}
+	body := container.Copy()
+	s := New(Options{})
+	cs := newConnState()
+
+	b.ReportAllocs()
+	b.SetBytes(int64(len(body)))
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		plan, err := s.preflightInbound(cs, outerMsgID, 64, body)
+		if err != nil {
+			b.Fatal(err)
+		}
+		plan.close()
+	}
+}