Companion for paritytech/cumulus#1860

Author: Guantong

node/src/service/mod.rs

@@ -343,6 +343,16 @@ where
 			})),
 			warp_sync: None,
 		})?;
+
+	if parachain_config.offchain_worker.enabled {
+		sc_service::build_offchain_workers(
+			&parachain_config,
+			task_manager.spawn_handle(),
+			client.clone(),
+			network.clone(),
+		);
+	}
+
 	let overrides = frontier_service::overrides_handle(client.clone());
 	let block_data_cache = Arc::new(fc_rpc::EthBlockDataCacheTask::new(
 		task_manager.spawn_handle(),