From 1fc54c1530fcb2410ce4ed1f89f70bcbaa033cf9 Mon Sep 17 00:00:00 2001
From: Aodhgan <aodhgan@pooltogether.com>
Date: Fri, 14 May 2021 14:28:50 -0700
Subject: [PATCH] added check

---
 contracts/PrizeStrategyUpkeep.sol | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/contracts/PrizeStrategyUpkeep.sol b/contracts/PrizeStrategyUpkeep.sol
index b30845c..f57c908 100644
--- a/contracts/PrizeStrategyUpkeep.sol
+++ b/contracts/PrizeStrategyUpkeep.sol
@@ -61,6 +61,10 @@ contract PrizeStrategyUpkeep is KeeperCompatibleInterface, Ownable {
     /// @return upkeepNeeded as true if performUpkeep() needs to be called, false otherwise. performData returned empty. 
     function checkUpkeep(bytes calldata checkData) external view override returns (bool upkeepNeeded, bytes memory performData) {
 
+        if(block.number < upkeepLastUpkeepBlockNumber + upkeepMinimumBlockInterval){
+            return (false, performData);
+        }
+        
         address[] memory prizePools = prizePoolRegistry.getAddresses();
 
         // check if canStartAward()