From 27aeca72433a9cabeb5e19b8d1c89065f4636b9b Mon Sep 17 00:00:00 2001
From: YANG <yangxiaoyun@neo.org>
Date: Wed, 11 Dec 2019 15:31:28 +0800
Subject: [PATCH] filter relay block

---
 src/neo/Network/P2P/RemoteNode.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/neo/Network/P2P/RemoteNode.cs b/src/neo/Network/P2P/RemoteNode.cs
index 44bb2ef107c..3ad20cacddd 100644
--- a/src/neo/Network/P2P/RemoteNode.cs
+++ b/src/neo/Network/P2P/RemoteNode.cs
@@ -173,6 +173,7 @@ private void OnRelay(IInventory inventory)
                 if (bloom_filter != null && !bloom_filter.Test((Transaction)inventory))
                     return;
             }
+            if (inventory is Block block && block.Index <= LastBlockIndex) return;
             EnqueueMessage(MessageCommand.Inv, InvPayload.Create(inventory.InventoryType, inventory.Hash));
         }