From cfadfbd91a5c2c00213e922ed174a17c8fe8de6a Mon Sep 17 00:00:00 2001
From: wowario <wowario@noreply.gitgud.wownero.nl>
Date: Wed, 14 Apr 2021 11:49:18 +0000
Subject: [PATCH] hotfix

---
 src/cryptonote_basic/difficulty.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cryptonote_basic/difficulty.cpp b/src/cryptonote_basic/difficulty.cpp
index 76d182369..c08484ec8 100644
--- a/src/cryptonote_basic/difficulty.cpp
+++ b/src/cryptonote_basic/difficulty.cpp
@@ -389,7 +389,7 @@ namespace cryptonote {
     avg_D = static_cast<uint64_t>(( cumulative_difficulties[N] - cumulative_difficulties[0] )/ N);
 
     // Prevent round off error for small D and overflow for large D.
-    if (avg_D > 2000000*N*N*T) {
+    if (avg_D > uint64_t(-1)/(N*(N+1)*T*99)) {
       next_D = (avg_D/(200*L))*(N*(N+1)*T*99);
     }
     else {    next_D = (avg_D*N*(N+1)*T*99)/(200*L);    }