whitelist_error_message = "rpc method is not whitelisted custom message" [server] rpc_port = 8545 max_request_body_size_bytes = 150 [backend] response_timeout_seconds = 1 max_response_size_bytes = 1 [backends] [backends.good] rpc_url = "$GOOD_BACKEND_RPC_URL" ws_url = "$GOOD_BACKEND_RPC_URL" [backend_groups] [backend_groups.main] backends = ["good"] [rpc_method_mappings] eth_chainId = "main"