简单写一下，准备实现setupConn

p2p/server.go

@@ -198,11 +198,15 @@ func (server *Server) newRLPX(conn net.Conn, dialDest *ecdsa.PublicKey) transpor
 	return &rlpxTransport{conn: rlpx.NewConn(conn, dialDest)}
 }
 
-func (server *Server) SetupConn(fd net.Conn, flags connFlag, dialDesk *enode.Node) error {
+func (server *Server) SetupConn(fd net.Conn, flags connFlag, dialDest *enode.Node) error {
 	c := &conn{fd: fd, flags: flags, cont: make(chan error)}
-	c.transport = server.newRLPX(fd, nil)
+	if dialDest == nil {
+		c.transport = server.newRLPX(fd, nil)
+	} else {
+		c.transport = server.newRLPX(fd, dialDest.Pubkey())
+	}
 
-	err := server.setupConn(c, nil)
+	err := server.setupConn(c, dialDest)
 	if err != nil {
 		c.close(err)
 	}
@@ -210,6 +214,12 @@ func (server *Server) SetupConn(fd net.Conn, flags connFlag, dialDesk *enode.Nod
 }
 
 func (server *Server) setupConn(c *conn, dialDest *enode.Node) error {
+	//
+	//remotePubkey, err := c.doEncHandshake(server.PrivateKey)
+	//if err != nil {
+	//	return err
+	//}
+
 	return nil
 }