Function init_follower_with_storage 

async fn init_follower_with_storage<S>(
    genesis: Genesis,
    modules: Modules,
    params: FollowerParams,
    l1_params: L1Params,
    storage_opt: S,
    public_node_config: PublicNodeConfig,
) -> Result<FollowerContext<S::Persistence>>
where
    S: DataSourceOptions,

Module parsing has checked that the http, query and storage-sql modules are present.