add provider record addresses to peerstore

fixes issue #868

handlers.go

@@ -16,7 +16,6 @@ import (
 	"github.com/libp2p/go-libp2p-kad-dht/internal"
 	pb "github.com/libp2p/go-libp2p-kad-dht/pb"
 	recpb "github.com/libp2p/go-libp2p-record/pb"
-	"github.com/multiformats/go-base32"
 )
 
 // dhthandler specifies the signature of functions that handle DHT messages.
@@ -347,6 +346,7 @@ func (dht *IpfsDHT) handleAddProvider(ctx context.Context, p peer.ID, pmes *pb.M
 	// add provider should use the address given in the message
 	pinfos := pb.PBPeersToPeerInfos(pmes.GetProviderPeers())
 	for _, pi := range pinfos {
+		pi := pi
 		if pi.ID != p {
 			// we should ignore this provider record! not from originator.
 			// (we should sign them and check signature later...)
@@ -359,7 +359,7 @@ func (dht *IpfsDHT) handleAddProvider(ctx context.Context, p peer.ID, pmes *pb.M
 			continue
 		}
 
-		dht.providerStore.AddProvider(ctx, key, peer.AddrInfo{ID: p})
+		dht.providerStore.AddProvider(ctx, key, *pi)
 	}
 
 	return nil, nil