From 08dada84565ea5f49127123e356c82a150626f3c Mon Sep 17 00:00:00 2001
From: MarcoFalke <falke.marco@gmail.com>
Date: Mon, 1 Feb 2021 14:57:34 +0000
Subject: util: Disallow negative mocktime

Signed-off-by: practicalswift <practicalswift@users.noreply.github.com>

Github-Pull: #21043
Rebased-From: 3ddbf22ed179a2db733af4b521bec5d2b13ebf4b
---
 src/util/time.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/util')

diff --git a/src/util/time.cpp b/src/util/time.cpp
index e96972fe12..d130e4e4d4 100644
--- a/src/util/time.cpp
+++ b/src/util/time.cpp
@@ -9,6 +9,8 @@
 
 #include <util/time.h>
 
+#include <util/check.h>
+
 #include <atomic>
 #include <boost/date_time/posix_time/posix_time.hpp>
 #include <ctime>
@@ -18,7 +20,7 @@
 
 void UninterruptibleSleep(const std::chrono::microseconds& n) { std::this_thread::sleep_for(n); }
 
-static std::atomic<int64_t> nMockTime(0); //!< For unit testing
+static std::atomic<int64_t> nMockTime(0); //!< For testing
 
 int64_t GetTime()
 {
@@ -46,6 +48,7 @@ template std::chrono::microseconds GetTime();
 
 void SetMockTime(int64_t nMockTimeIn)
 {
+    Assert(nMockTimeIn >= 0);
     nMockTime.store(nMockTimeIn, std::memory_order_relaxed);
 }
 
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