From 184d8a0180f6bbb930c75be6041d13e9f87521f5 Mon Sep 17 00:00:00 2001
From: Roman Khimov <roman@nspcc.ru>
Date: Thu, 24 Oct 2019 12:12:29 +0300
Subject: [PATCH] core: fix missing unlock in MemPool TryAdd()

Fixes deadlock on subsequent MemPool operations.
---
 pkg/core/mem_pool.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkg/core/mem_pool.go b/pkg/core/mem_pool.go
index 1c8396719..1a6f148c2 100644
--- a/pkg/core/mem_pool.go
+++ b/pkg/core/mem_pool.go
@@ -106,6 +106,7 @@ func (mp MemPool) TryAdd(hash util.Uint256, pItem *PoolItem) bool {
 
 	mp.lock.RLock()
 	if _, ok := mp.unsortedTxn[hash]; ok {
+		mp.lock.RUnlock()
 		return false
 	}
 	mp.unsortedTxn[hash] = pItem