fix: fix middleware service clone.

bin/rundler/chain_specs/opbnb_testnet.toml

@@ -0,0 +1,7 @@
+name = "Opbnb Testnet"
+id = 5611
+
+priority_fee_oracle_type = "USAGE_BASED"
+min_max_priority_fee_per_gas = 30000000000
+bloxroute_enabled = true
+max_transaction_size_bytes = 130000

bin/rundler/src/cli/chain_spec.rs

@@ -123,5 +123,6 @@ define_hardcoded_chain_specs!(
     polygon_amoy,
     avax,
     bera_bartio,
-    avax_fuji
+    avax_fuji,
+    opbnb_testnet
 );

crates/provider/src/alloy/metrics.rs

@@ -88,9 +88,9 @@ where
             method_name.clone(),
             "rpc".to_string(),
         );
-        let mut svc = self.service.clone();
+        let fut = self.service.call(request);
         async move {
-            let response = svc.call(request).await;
+            let response = fut.await;
             method_logger.done();
             match &response {
                 Ok(resp) => {