From 804c2062a4b6cbb8c5452df3fc5f0367ddd5d6c1 Mon Sep 17 00:00:00 2001
From: Runchao Han <elvisage941102@gmail.com>
Date: Fri, 31 May 2019 14:01:09 +1000
Subject: [PATCH] change to NewMsgVersion

---
 crawler.go | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/crawler.go b/crawler.go
index aec949e..51c0061 100644
--- a/crawler.go
+++ b/crawler.go
@@ -57,12 +57,10 @@ func crawlIP(s *dnsseeder, r *result) ([]*wire.NetAddress, *crawlError) {
 	// set a deadline for all comms to be done by. After this all i/o will error
 	conn.SetDeadline(time.Now().Add(time.Second * maxTo))
 
-	// First command to remote end needs to be a version command
-	// last parameter is lastblock
-	msgver, err := wire.NewMsgVersionFromConn(conn, nounce, 0)
-	if err != nil {
-		return nil, &crawlError{"Create NewMsgVersionFromConn", err}
-	}
+	meAddr, youAddr := conn.LocalAddr(), conn.RemoteAddr()
+	me := wire.NewNetAddress(meAddr.(*net.TCPAddr), wire.SFNodeNetwork)
+	you := wire.NewNetAddress(youAddr.(*net.TCPAddr), wire.SFNodeNetwork)
+	msgver := wire.NewMsgVersion(me, you, nounce, 0)
 
 	err = wire.WriteMessage(conn, msgver, s.pver, s.id)
 	if err != nil {