fix

crates/driver/src/domain/competition/bad_tokens.rs

@@ -151,9 +151,7 @@ impl Detector {
     }
 
     async fn determine_sell_token_quality(&self, order: &Order, now: Instant) -> Option<Quality> {
-        let Some(detector) = self.simulation_detector.as_ref() else {
-            return None;
-        };
+        let detector = self.simulation_detector.as_ref()?;
 
         if let Some(quality) = self.cache.get_quality(order.sell.token, now) {
             return Some(quality);

crates/driver/src/infra/api/mod.rs

@@ -82,7 +82,7 @@ impl Api {
             let router = routes::reveal(router);
             let router = routes::settle(router);
 
-            let bad_tokens = solver.bad_token_detector().and_then(|bad_token_detector| {
+            let bad_tokens = solver.bad_token_detector().map(|bad_token_detector| {
                 // maybe make this as part of the bad token builder?
                 let config = bad_token_detector
                     .unsupported_tokens
@@ -96,13 +96,13 @@ impl Api {
                     )
                     .collect::<HashMap<_, _>>();
 
-                Some(Arc::new(
+                Arc::new(
                     // maybe do proper builder pattern here?
                     bad_tokens::Detector::default()
                         .with_simulation_detector(&self.eth.clone())
                         .with_config(config)
                         .with_cache(trace_detector.clone()),
-                ))
+                )
             });
 
             let router = router.with_state(State(Arc::new(Inner {

crates/driver/src/infra/config/file/mod.rs

@@ -70,6 +70,7 @@ struct Config {
     archive_node_url: Option<Url>,
 
     /// Cache configuration for the bad tokend detection
+    #[serde(default)]
     bad_token_detection_cache: BadTokenDetectionCache,
 }