check case of missing swapConfig

Uniswap · Feb 5, 2025 · e1c266a · e1c266a
1 parent c08238b
commit e1c266a
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/routers/alpha-router/alpha-router.ts b/src/routers/alpha-router/alpha-router.ts
@@ -1435,8 +1435,9 @@ export class AlphaRouter
     const availableProtocolsSet = new Set(Object.values(Protocol));
     const requestedProtocolsSet = new Set(protocols);
     if (
-      swapConfig?.type === SwapType.UNIVERSAL_ROUTER &&
-      swapConfig.version === UniversalRouterVersion.V1_2
+      !swapConfig ||
+      (swapConfig.type === SwapType.UNIVERSAL_ROUTER &&
+        swapConfig.version === UniversalRouterVersion.V1_2)
     ) {
       availableProtocolsSet.delete(Protocol.V4);
       if (requestedProtocolsSet.has(Protocol.V4)) {