update

node/rpc/src/lib.rs

@@ -225,6 +225,7 @@ pub fn create_full<C, P, SC, B>(
 		io.extend_with(
 			EthFilterApiServer::to_delegate(EthFilterApi::new(
 				client.clone(),
+				frontier_backend,
 				filter_pool.clone(),
 				500 as usize, // max stored filters
 				overrides.clone(),

node/service/src/lib.rs

@@ -80,7 +80,7 @@ use open_fb::open_frontier_backend;
 use fc_consensus::FrontierBlockImport;
 use fc_rpc::EthTask;
 use fc_rpc_core::types::{FilterPool, PendingTransactions};
-use fc_mapping_sync::MappingSyncWorker;
+use fc_mapping_sync::{MappingSyncWorker, SyncStrategy};
 
 pub use selendra_client::{
 	SelendraExecutor, FullBackend, FullClient, AbstractClient, Client, ClientHandle, ExecuteWithClient,
@@ -668,10 +668,16 @@ pub fn new_full<RuntimeApi, Executor, OverseerGenerator>(
 			client.clone(),
 			backend.clone(),
 			frontier_backend.clone(),
+			SyncStrategy::Normal,
 		)
 		.for_each(|()| futures::future::ready(())),
 	);
 
+	task_manager.spawn_essential_handle().spawn(
+		"frontier-schema-cache-task",
+		EthTask::ethereum_schema_cache_task(Arc::clone(&client), Arc::clone(&frontier_backend)),
+	);
+
 	let network_clone = network.clone();
 	let rpc_extensions_builder = move |deny_unsafe, subscription_executor| {
 		_rpc_extensions_builder(deny_unsafe, subscription_executor, network_clone.clone())