Merge pull request #171 from lidofinance/fix/wrap-steth-allowance

Fix: check allowance during stETH wrapping
lidofinance · Sep 20, 2024 · 26876a9 · 26876a9
2 parents 4548fde + 6420578
commit 26876a9
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/apps/demo-react/features/wrap-unwrap/wrap-unwrap.tsx b/apps/demo-react/features/wrap-unwrap/wrap-unwrap.tsx
@@ -26,8 +26,10 @@ export const WrapUnwrap: FC = () => {
 
   const handleWrapSteth = useCallback(
     async (callData: WrapProps) => {
-      await wrap.getStethForWrapAllowance(account); // get existing allowance
-      await wrap.approveStethForWrap(callData); // if value is more than allowance perform approve
+      const allowance = await wrap.getStethForWrapAllowance(account);
+      if (BigInt(callData.value) > allowance) {
+        await wrap.approveStethForWrap(callData);
+      }
       return wrap.wrapSteth(callData);
     },
     [account, wrap],