From ae2037081cca4df9649529b87075663924789add Mon Sep 17 00:00:00 2001
From: John Jones <jmjatlanta@gmail.com>
Date: Wed, 5 Apr 2017 20:34:13 -0500
Subject: [PATCH] Small bugfix to peer copy

---
 peer/peer.c      | 3 ++-
 peer/peerstore.c | 4 ++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/peer/peer.c b/peer/peer.c
index a2e28d1..4f13f92 100644
--- a/peer/peer.c
+++ b/peer/peer.c
@@ -109,6 +109,7 @@ struct Libp2pPeer* libp2p_peer_copy(struct Libp2pPeer* in) {
 		}
 		memcpy(out->id, in->id, in->id_size);
 		out->connection_type = in->connection_type;
+		// loop through the addresses
 		struct Libp2pLinkedList* current_in = in->addr_head;
 		struct Libp2pLinkedList* current_out = NULL;
 		while (current_in != NULL) {
@@ -119,8 +120,8 @@ struct Libp2pPeer* libp2p_peer_copy(struct Libp2pPeer* in) {
 				out->addr_head = copy_item;
 			} else {
 				current_out->next = copy_item;
-				current_out = copy_item;
 			}
+			current_out = copy_item;
 			current_in = current_in->next;
 		}
 		out->connection = in->connection;
diff --git a/peer/peerstore.c b/peer/peerstore.c
index d136f85..e7e772c 100644
--- a/peer/peerstore.c
+++ b/peer/peerstore.c
@@ -96,6 +96,10 @@ int libp2p_peerstore_add_peer_entry(struct Peerstore* peerstore, struct PeerEntr
  * @returns true(1) on success, otherwise false
  */
 int libp2p_peerstore_add_peer(struct Peerstore* peerstore, struct Libp2pPeer* peer) {
+	// first check to see if it exists. If it does, return TRUE
+	if (libp2p_peerstore_get_peer_entry(peerstore, peer->id, peer->id_size) != NULL)
+		return 1;
+
 	char peer_id[peer->id_size + 1];
 	memcpy(peer_id, peer->id, peer->id_size);
 	peer_id[peer->id_size] = 0;