From 326da13924c38f5a7e0f9bbe422d8fe18fd61162 Mon Sep 17 00:00:00 2001
From: mil0xeth <96582887+mil0xeth@users.noreply.github.com>
Date: Fri, 5 Apr 2024 03:29:14 +0200
Subject: [PATCH] tradeFactory: safeApprove()-->forceApprove() (#43)

---
 src/swappers/TradeFactorySwapper.sol | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/swappers/TradeFactorySwapper.sol b/src/swappers/TradeFactorySwapper.sol
index cbd454f..b756310 100644
--- a/src/swappers/TradeFactorySwapper.sol
+++ b/src/swappers/TradeFactorySwapper.sol
@@ -57,8 +57,7 @@ abstract contract TradeFactorySwapper {
     function _addToken(address _tokenFrom, address _tokenTo) internal {
         address _tf = tradeFactory();
         if (_tf != address(0)) {
-            ERC20(_tokenFrom).safeApprove(_tf, type(uint256).max);
-
+            ERC20(_tokenFrom).forceApprove(_tf, type(uint256).max);
             ITradeFactory(_tf).enable(_tokenFrom, _tokenTo);
         }
 
@@ -82,7 +81,7 @@ abstract contract TradeFactorySwapper {
                 }
 
                 if (_tf != address(0)) {
-                    ERC20(_tokenFrom).safeApprove(_tf, 0);
+                    ERC20(_tokenFrom).forceApprove(_tf, 0);
                     ITradeFactory(_tf).disable(_tokenFrom, _tokenTo);
                 }
 
@@ -126,7 +125,7 @@ abstract contract TradeFactorySwapper {
         for (uint256 i; i < _rewardTokensLocal.length; ++i) {
             address token = _rewardTokensLocal[i];
 
-            ERC20(token).safeApprove(tradeFactory_, type(uint256).max);
+            ERC20(token).forceApprove(tradeFactory_, type(uint256).max);
             ITradeFactory(tradeFactory_).enable(token, _tokenTo);
         }
 
@@ -141,7 +140,7 @@ abstract contract TradeFactorySwapper {
         address _tf = tradeFactory();
         address[] memory rewardTokensLocal = rewardTokens();
         for (uint256 i; i < rewardTokensLocal.length; ++i) {
-            ERC20(rewardTokensLocal[i]).safeApprove(_tf, 0);
+            ERC20(rewardTokensLocal[i]).forceApprove(_tf, 0);
         }
 
         _tradeFactory = address(0);