From 273d02580aa736b7ccea8fce51d90541665fdbd1 Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Wed, 31 Oct 2018 15:05:42 -0700
Subject: [PATCH] Use a FastRandomContext in LimitOrphanTxSize

---
 src/net_processing.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index 40c51125781..0e222bdfa47 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -779,10 +779,11 @@ unsigned int LimitOrphanTxSize(unsigned int nMaxOrphans)
         nNextSweep = nMinExpTime + ORPHAN_TX_EXPIRE_INTERVAL;
         if (nErased > 0) LogPrint(BCLog::MEMPOOL, "Erased %d orphan tx due to expiration\n", nErased);
     }
+    FastRandomContext rng;
     while (mapOrphanTransactions.size() > nMaxOrphans)
     {
         // Evict a random orphan:
-        uint256 randomhash = GetRandHash();
+        uint256 randomhash = rng.rand256();
         std::map<uint256, COrphanTx>::iterator it = mapOrphanTransactions.lower_bound(randomhash);
         if (it == mapOrphanTransactions.end())
             it = mapOrphanTransactions.begin();