Bugfix proxy request handler

mtproto/rpc/proxy_request.go

 
 	buf.Write(TagProxyRequest)
 	buf.Write(flags.Bytes())
-	buf.Write(r.ConnectionID[:])
-	buf.Write(r.ClientIPPort[:])
-	buf.Write(r.OurIPPort[:])
+	buf.Write(r.ConnectionID)
+	buf.Write(r.ClientIPPort)
+	buf.Write(r.OurIPPort)
 	buf.Write(ProxyRequestExtraSize)
 	buf.Write(ProxyRequestProxyTag)
 	buf.WriteByte(byte(len(r.ADTag)))
 	buf.Write(r.ADTag)
-	buf.Write(bytes.Repeat([]byte{0x00}, buf.Len()%4))
+	buf.Write(make([]byte, (4-buf.Len()%4)%4))
 	buf.Write(message)
 
 	return buf.Bytes()

mtproto/wrappers/frame.go

 	"bytes"
 	"crypto/aes"
 	"encoding/binary"
+	"fmt"
 	"hash/crc32"
 	"io"
 	"io/ioutil"
 	frameRWCMaxMessageLength = 16777216
 )
 
-var frameRWCPadding = [4]byte{0x04, 0x00, 0x00, 0x00}
+var frameRWCPadding = []byte{0x04, 0x00, 0x00, 0x00}
 
 type FrameRWC struct {
 	wrappers.BufferedReader
 
 	checksum := crc32.ChecksumIEEE(writeBuf.Bytes())
 	binary.Write(writeBuf, binary.LittleEndian, checksum)
-	writeBuf.Write(bytes.Repeat(frameRWCPadding[:], paddingLength/4))
+	writeBuf.Write(bytes.Repeat(frameRWCPadding, paddingLength/4))
 
 	_, err := f.conn.Write(writeBuf.Bytes())
 	return len(buf), err

telegram/middle.go

 package telegram
 
 import (
-	"fmt"
 	"io"
 	"net"
 	"net/http"
 	if err = rpcHandshakeResp.Valid(req); err != nil {
 		return nil, errors.Annotate(err, "Invalid RPC handshake response")
 	}
-	fmt.Println("VICTORY")
 
 	return rpcHandshakeResp, nil
 }