- number ret = bindings.RouteHintHop_new(src_node_id_arg, short_channel_id_arg, fees_arg == null ? 0 : fees_arg.ptr & ~1, cltv_expiry_delta_arg, htlc_minimum_msat_arg.ptr, htlc_maximum_msat_arg.ptr);
+ number ret = bindings.RouteHintHop_new(InternalUtils.check_arr_len(src_node_id_arg, 33), short_channel_id_arg, fees_arg == null ? 0 : fees_arg.ptr & ~1, cltv_expiry_delta_arg, htlc_minimum_msat_arg.ptr, htlc_maximum_msat_arg.ptr);