package tlv

import "github.com/Mrs4s/MiraiGo/binary"

func T18(appId uint32, uin uint32) []byte {
	return binary.NewWriterF(func(w *binary.Writer) {
		w.WriteUInt16(0x18)
		pos := w.FillUInt16()
		w.WriteUInt16(1)
		w.WriteUInt32(1536)
		w.WriteUInt32(appId)
		w.WriteUInt32(0)
		w.WriteUInt32(uin)
		w.WriteUInt16(0)
		w.WriteUInt16(0)
		w.WriteUInt16At(pos, uint16(w.Len()-4))
	})
}