From ba9b3220f71d317b9fd403b5774ca157f9f8743d Mon Sep 17 00:00:00 2001
From: wowario <wowario@protonmail.com>
Date: Mon, 23 Apr 2018 19:43:04 +0300
Subject: [PATCH] fix signed unsigned conversion

---
 src/cryptonote_basic/difficulty.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/cryptonote_basic/difficulty.cpp b/src/cryptonote_basic/difficulty.cpp
index 09798d787..b1862fc89 100644
--- a/src/cryptonote_basic/difficulty.cpp
+++ b/src/cryptonote_basic/difficulty.cpp
@@ -219,11 +219,11 @@ namespace cryptonote {
     uint64_t difficulty(0), next_difficulty(0);
 
     // Loop through N most recent blocks. N is most recently solved block.
-    for (int64_t i = 1; i <= N; i++) {
+    for (size_t i = 1; i <= N; i++) {
       solveTime = static_cast<int64_t>(timestamps[i]) - static_cast<int64_t>(timestamps[i - 1]);
       solveTime = std::min<int64_t>((T * 7), std::max<int64_t>(solveTime, (-7 * T)));
       difficulty = cumulative_difficulties[i] - cumulative_difficulties[i - 1];
-      LWMA += solveTime * i / k;
+      LWMA += (int64_t)(solveTime * i) / k;
       sum_inverse_D += 1 / static_cast<double>(difficulty);
     }