reset allowance after swap in dex swap

concero · Feb 8, 2025 · d19922c · d19922c
1 parent f61efda
commit d19922c
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Showing 2 changed files with 11 additions and 774 deletions.
diff --git a/contracts/DexSwap.sol b/contracts/DexSwap.sol
@@ -117,6 +117,7 @@ contract DexSwap is IDexSwap, InfraCommon, InfraStorage {
         if (!isFromNative) {
             IERC20(swapData.fromToken).safeIncreaseAllowance(routerAddress, fromAmount);
             (success, ) = routerAddress.call(swapData.dexCallData);
+            IERC20(swapData.fromToken).forceApprove(routerAddress, 0);
         } else {
             (success, ) = routerAddress.call{value: fromAmount}(swapData.dexCallData);
         }