From e0c5c22dbcd188861631d6a7cf35f5dd4ab394ea Mon Sep 17 00:00:00 2001
From: Lars Gierth <larsg@systemli.org>
Date: Sun, 6 Aug 2017 19:19:00 +0200
Subject: [PATCH] Avoid unneccessary multiaddr resolutions

---
 p2p/host/basic/basic_host.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/p2p/host/basic/basic_host.go b/p2p/host/basic/basic_host.go
index e340088..3f0f113 100644
--- a/p2p/host/basic/basic_host.go
+++ b/p2p/host/basic/basic_host.go
@@ -452,6 +452,9 @@ func (h *BasicHost) resolveAddrs(ctx context.Context, pi pstore.PeerInfo) ([]ma.
 	var addrs []ma.Multiaddr
 	for _, addr := range pi.Addrs {
 		addrs = append(addrs, addr)
+		if !madns.Matches(addr) {
+			continue
+		}
 
 		reqaddr := addr.Encapsulate(p2paddr)
 		resaddrs, err := h.maResolver.Resolve(ctx, reqaddr)
-- 
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