From 3932609a2ed19b23d0b8d67877915157494918aa Mon Sep 17 00:00:00 2001
From: 0xdapper <0xdapp@protonmail.com>
Date: Mon, 13 Mar 2023 18:32:05 +0000
Subject: [PATCH] add comment re swapper calls

---
 lib/solady     | 2 +-
 src/Unwind.sol | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/solady b/lib/solady
index 2b69b66..3d57528 160000
--- a/lib/solady
+++ b/lib/solady
@@ -1 +1 @@
-Subproject commit 2b69b665decfbd23ac1fb0f028588e8e76ef4059
+Subproject commit 3d57528984275d1746ee6597acd36277f51c091d
diff --git a/src/Unwind.sol b/src/Unwind.sol
index 12cf117..1ded60e 100644
--- a/src/Unwind.sol
+++ b/src/Unwind.sol
@@ -124,6 +124,10 @@ contract Unwind is IFlashLoanRecipient, IFlashLoanSimpleReceiver {
         // swap the collateral for debt token
         uint totalRepay = _flashBorrowedAmount + _flashBorrowFee;
         ERC20(_collToken).safeApprove(_swapper, _collToWithdraw);
+        // VERY open. Make sure you don't leave any pending token approvals
+        // credit delegations or tokens on this contract.
+        // Revoke after use or approve only required amounts that will
+        // exhaust all of the approved amount.
         (bool success, ) = _swapper.call(_swapData);
         if (ERC20(_debtToken).balanceOf(address(this)) < totalRepay)
             revert InsufficientOutput(