From a97dfd2bb39c42754d98efe5ab1869cc86f0c654 Mon Sep 17 00:00:00 2001
From: Leo Cornelius <56726537+leocornelius@users.noreply.github.com>
Date: Sat, 1 May 2021 18:59:41 +0100
Subject: [PATCH] Fix overflow

---
 src/cryptonotecore/Currency.cpp | 45 +++++++++++++++++----------------
 1 file changed, 23 insertions(+), 22 deletions(-)

diff --git a/src/cryptonotecore/Currency.cpp b/src/cryptonotecore/Currency.cpp
index 40e13d87..d65366ef 100644
--- a/src/cryptonotecore/Currency.cpp
+++ b/src/cryptonotecore/Currency.cpp
@@ -189,38 +189,39 @@ namespace CryptoNote
         uint64_t &reward,
         int64_t &emissionChange) const
     {
-        if (alreadyGeneratedCoins >= 10000 * 215000) { // block 215000
+        if (alreadyGeneratedCoins >= 2150000000) { // block 215000
             reward = 0;
             logger(TRACE) << "(END OF LIFE) Block reward " << reward;
             return true;
-        }
-        uint64_t baseReward = 10000; // (1 AIO) 
+        } else {
+            uint64_t baseReward = 10000; // (1 AIO) 
 
-        logger(TRACE) << "Base reward " << baseReward;
+            logger(TRACE) << "Base reward " << baseReward;
 
-        if (alreadyGeneratedCoins == 0 && m_genesisBlockReward != 0) {
-            baseReward = m_genesisBlockReward;
-        }
+            if (alreadyGeneratedCoins == 0 && m_genesisBlockReward != 0) {
+                baseReward = m_genesisBlockReward;
+            }
 
-        size_t blockGrantedFullRewardZone = blockGrantedFullRewardZoneByBlockVersion(blockMajorVersion);
-        medianSize = std::max(medianSize, blockGrantedFullRewardZone);
-        if (currentBlockSize > UINT64_C(2) * medianSize)
-        {
-            logger(TRACE) << "Block cumulative size is too big: " << currentBlockSize << ", expected less than "
-                          << 2 * medianSize;
-            return false;
-        }
+            size_t blockGrantedFullRewardZone = blockGrantedFullRewardZoneByBlockVersion(blockMajorVersion);
+            medianSize = std::max(medianSize, blockGrantedFullRewardZone);
+            if (currentBlockSize > UINT64_C(2) * medianSize)
+            {
+                logger(TRACE) << "Block cumulative size is too big: " << currentBlockSize << ", expected less than "
+                              << 2 * medianSize;
+                return false;
+            }
 
-        uint64_t penalizedBaseReward = getPenalizedAmount(baseReward, medianSize, currentBlockSize);
-        uint64_t penalizedFee =
-            blockMajorVersion >= BLOCK_MAJOR_VERSION_2 ? getPenalizedAmount(fee, medianSize, currentBlockSize) : fee;
+            uint64_t penalizedBaseReward = getPenalizedAmount(baseReward, medianSize, currentBlockSize);
+            uint64_t penalizedFee =
+                blockMajorVersion >= BLOCK_MAJOR_VERSION_2 ? getPenalizedAmount(fee, medianSize, currentBlockSize) : fee;
 
-        emissionChange = penalizedBaseReward - (fee - penalizedFee);
-        reward = penalizedBaseReward + penalizedFee;
+            emissionChange = penalizedBaseReward - (fee - penalizedFee);
+            reward = penalizedBaseReward + penalizedFee;
 
-        logger(TRACE) << "Block reward " << reward;
+            logger(TRACE) << "Block reward " << reward;
 
-        return true;
+            return true;
+        }
     }
 
     size_t Currency::maxBlockCumulativeSize(uint64_t height) const