get public ip ignore the ipv6

diff --git a/p2p/public_ip.go b/p2p/public_ip.go
index b8b9603..466641b 100644 (file)
--- a/p2p/public_ip.go
+++ b/p2p/public_ip.go
@@ -57,7 +57,7 @@ func ipAddress(service string, done chan<- *IpResult) {
        }
 
        address := strings.TrimSpace(string(data))
-       if net.ParseIP(address) != nil {
+       if ip := net.ParseIP(address); ip != nil && ip.To4() != nil {
                select {
                case done <- &IpResult{true, address}:
                        return