From 13bd041af77ef5efa00d24d0f8bdcff82b525356 Mon Sep 17 00:00:00 2001
From: owen05 <liuhongnan53@163.com>
Date: Thu, 21 Jan 2021 17:56:49 +0800
Subject: [PATCH] fix incentive

---
 contracts/SmartRoute/DODOIncentive.sol | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/contracts/SmartRoute/DODOIncentive.sol b/contracts/SmartRoute/DODOIncentive.sol
index 6fecbf8..4a0b59d 100644
--- a/contracts/SmartRoute/DODOIncentive.sol
+++ b/contracts/SmartRoute/DODOIncentive.sol
@@ -113,15 +113,15 @@ contract DODOIncentive is InitializableOwnable {
         uint256 _totalReward = _getTotalReward();
         require(_totalReward < uint112(-1), "OVERFLOW");
         totalReward = uint112(_totalReward);
-        lastRewardBlock = uint32(block.timestamp % 2**32);
+        lastRewardBlock = uint32(block.number);
     }
 
     function _update(uint256 _totalReward, uint256 _totalDistribution) internal {
         require(
-            _totalReward < uint112(-1) && _totalDistribution < uint112(-1),
+            _totalReward < uint112(-1) && _totalDistribution < uint112(-1) && block.number < uint32(-1),
             "OVERFLOW"
         );
-        lastRewardBlock = uint32(block.timestamp % 2**32);
+        lastRewardBlock = uint32(block.number);
         totalReward = uint112(_totalReward);
         totalDistribution = uint112(_totalDistribution);
     }