From 25ef5733a7ecc59f60d2015ab356e44d413b3498 Mon Sep 17 00:00:00 2001
From: SChernykh <sergey.v.chernykh@gmail.com>
Date: Mon, 23 Aug 2021 23:12:52 +0200
Subject: [PATCH] Skip duplicates in the saved peers list

---
 src/p2p_server.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/p2p_server.cpp b/src/p2p_server.cpp
index 50bcdaf..0879bee 100644
--- a/src/p2p_server.cpp
+++ b/src/p2p_server.cpp
@@ -310,7 +310,18 @@ void P2PServer::load_saved_peer_list()
 				p.m_port = port;
 				p.m_numFailedConnections = 0;
 			}
-			m_peerList.push_back(p);
+
+			bool already_added = false;
+			for (const Peer& peer : m_peerList) {
+				if ((peer.m_isV6 == p.m_isV6) && (peer.m_addr == p.m_addr)) {
+					already_added = true;
+					break;
+				}
+			}
+
+			if (!already_added) {
+				m_peerList.push_back(p);
+			}
 		});
 	LOGINFO(5, "peer list loaded (" << m_peerList.size() << " peers)");
 }