From 0e876d7d6b62abb586872215c746566698ce5347 Mon Sep 17 00:00:00 2001
From: Thrilok kumar <thrilok2000@gmail.com>
Date: Thu, 29 Apr 2021 23:43:05 +0530
Subject: [PATCH] Revert "Flashloan changes"

---
 contracts/receivers/aave-v2-receiver/main.sol | 11 +-----
 .../receivers/aave-v2-receiver/variables.sol  | 34 -------------------
 2 files changed, 1 insertion(+), 44 deletions(-)

diff --git a/contracts/receivers/aave-v2-receiver/main.sol b/contracts/receivers/aave-v2-receiver/main.sol
index 54c8531..30c0c4f 100644
--- a/contracts/receivers/aave-v2-receiver/main.sol
+++ b/contracts/receivers/aave-v2-receiver/main.sol
@@ -145,18 +145,9 @@ contract InstaFlash is AaveV2Migrator {
         uint256[] calldata _amounts,	
         uint /*_route */, // no use of route but just to follow current flashloan pattern
         bytes calldata data
-    ) external nonReentrant isDSA {	
+    ) external isDSA {	
         uint _length = _tokens.length;
         require(_length == _amounts.length, "not-equal-length");
-
-        for (uint i = 0; i < _length; i++) {
-            for (uint j = 0; j < _length; j++) {
-                if (j != i) {
-                    require(_tokens[j] != _tokens[i], "token-repeated");
-                }
-            }
-        }
-
         uint[] memory iniBal = new uint[](_length);
         IERC20[] memory _tokenContracts = new IERC20[](_length);
         for (uint i = 0; i < _length; i++) {
diff --git a/contracts/receivers/aave-v2-receiver/variables.sol b/contracts/receivers/aave-v2-receiver/variables.sol
index 6440610..bcd8c15 100644
--- a/contracts/receivers/aave-v2-receiver/variables.sol
+++ b/contracts/receivers/aave-v2-receiver/variables.sol
@@ -41,12 +41,6 @@ contract Variables {
      */
     address public constant maticReceiver = 0x0000000000000000000000000000000000001001;
 
-    /**
-    * @dev ReentrancyGuard
-    */
-    uint256 private constant _NOT_ENTERED = 1;
-    uint256 private constant _ENTERED = 2;
-
 
     // Storage variables //
 
@@ -72,32 +66,4 @@ contract Variables {
     * @dev last stateId from the onStateReceive
     */
     uint256 internal lastStateId;
-
-    /**
-    * @dev ReentrancyGuard status variable
-    */
-    uint256 private _reentrancyStatus;
-
-    // Modifer //
-
-    /**
-     * @dev Prevents a contract from calling itself, directly or indirectly.
-     * Calling a `nonReentrant` function from another `nonReentrant`
-     * function is not supported. It is possible to prevent this from happening
-     * by making the `nonReentrant` function external, and make it call a
-     * `private` function that does the actual work.
-     */
-    modifier nonReentrant() {
-        // On the first call to nonReentrant, _notEntered will be true
-        require(_reentrancyStatus != _ENTERED, "ReentrancyGuard: reentrant call");
-
-        // Any calls to nonReentrant after this point will fail
-        _reentrancyStatus = _ENTERED;
-
-        _;
-
-        // By storing the original value once again, a refund is triggered (see
-        // https://eips.ethereum.org/EIPS/eip-2200)
-        _reentrancyStatus = _NOT_ENTERED;
-    }
 }