From c9e4dcbcd6f18b01dec6517ad6c25a9bbc3cb850 Mon Sep 17 00:00:00 2001
From: Juan Batiz-Benet <juan@benet.ai>
Date: Sat, 20 Dec 2014 21:08:04 -0800
Subject: [PATCH] peerstore: convenience functions

---
 peer/peerstore.go | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/peer/peerstore.go b/peer/peerstore.go
index b1033c4c4..bc2182d18 100644
--- a/peer/peerstore.go
+++ b/peer/peerstore.go
@@ -212,3 +212,19 @@ func (ps *peerstore) PeerInfo(p ID) PeerInfo {
 		Addrs: ps.addressbook.Addresses(p),
 	}
 }
+
+func PeerInfos(ps Peerstore, peers []ID) []PeerInfo {
+	pi := make([]PeerInfo, len(peers))
+	for i, p := range peers {
+		pi[i] = ps.PeerInfo(p)
+	}
+	return pi
+}
+
+func PeerInfoIDs(pis []PeerInfo) []ID {
+	ps := make([]ID, len(pis))
+	for i, pi := range pis {
+		ps[i] = pi.ID
+	}
+	return ps
+}