message: simplify imports
diff: use blockchain;
  use config::net;
  use network::{api, Peer, api::Api};
  -use {storage, storage::{tag, Storage, types::PackHash}};
  +use storage;
  +use storage::types::PackHash;
  -pub fn net_sync_faster(network: String, mut storage: Storage) {
  +pub fn net_sync_faster(network: String, mut storage: storage::Storage) {
  let netcfg_file = storage.config.get_config_file();
  let net_cfg = net::Config::from_file(&netcfg_file).expect("no network config present");
  let mut net = get_http_peer(network, &net_cfg);
  @@ -80,7 +81,7 @@ fn find_earliest_epoch(
  ) -> Option<(blockchain::EpochId, PackHash)> {
  let mut epoch_id = start_epochid;
  loop {
  - match tag::read_hash(storage, &tag::get_epoch_tag(epoch_id)) {
  + match storage::tag::read_hash(storage, &storage::tag::get_epoch_tag(epoch_id)) {
  None => match storage::epoch::epoch_read_pack(&storage.config, epoch_id).ok() {
  None => {}
  Some(h) => {
  