Merge pull request #83 from propeller-heads/router/dc/ENG-4260-improv…

…e-receive fix: Restrict receive callers to have code
propeller-heads · Feb 26, 2025 · 0b7e5a7 · 0b7e5a7
2 parents 614af9a + 6008d5e
commit 0b7e5a7
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/foundry/src/TychoRouter.sol b/foundry/src/TychoRouter.sol
@@ -472,7 +472,9 @@ contract TychoRouter is AccessControl, Dispatcher, Pausable, ReentrancyGuard {
     /**
      * @dev Allows this contract to receive native token
      */
-    receive() external payable {}
+    receive() external payable {
+        require(msg.sender.code.length != 0);
+    }
 
     /**
      * @dev Called by UniswapV3 pool when swapping on it.