From 937f89aaa680b4d0cc687e28dd16fe4e2f87b761 Mon Sep 17 00:00:00 2001
From: mingda <leimingda@pku.edu.cn>
Date: Tue, 24 Nov 2020 19:17:38 +0800
Subject: [PATCH] check i range

---
 contracts/DODOVendingMachine/impl/DVM.sol | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/contracts/DODOVendingMachine/impl/DVM.sol b/contracts/DODOVendingMachine/impl/DVM.sol
index 6601cd4..0f24422 100644
--- a/contracts/DODOVendingMachine/impl/DVM.sol
+++ b/contracts/DODOVendingMachine/impl/DVM.sol
@@ -37,6 +37,8 @@ contract DVM is DVMTrader, DVMFunding {
         _TRADE_PERMISSION_ = IPermissionManager(tradePermissionManager);
         _GAS_PRICE_LIMIT_ = IExternalValue(gasPriceSource);
         _MAINTAINER_ = maintainer;
+
+        require(i > 0 && i < 10**36);
         _I_ = i;
 
         require(k > 0 && k <= 10**18);