TON Storage utilities (#564)

* Rename chunk to piece in MerkleTree for consistency

* Refactor PeerManager

* Make PeerState thread-safe

* Download torrent by hash

* First version of storage daemon

* Download torrents partially

* Improve storing and loading torrent state in DB

* Rewrite MerkleTree

* "Remove torrent" in storage daemon

* Process errors, fix bugs in storage

* Move TonlibClientWrapper from rldp-http-proxy to tonlib

* Initial version of storage provider

* Move interaction with contracts to smc-util

* Improve TonlibClientWrapper interface

* Various improvements in storage provider

* Fix TorrentCreator.cpp

* Improve interface for partial download

* Client mode in storage-daemon

* Improve interface of storage-daemon-cli

* Fix calculating speed, show peers in storage-daemon

* Use permanent adnl id in storage daemon

* Fix sending large "storage.addUpdate" messages

* Improve printing torrents in cli

* Update tlo

* Fix RldpSender::on_ack

* Update storage provider

* Add "address" parameter to get-provider-params

* Allow client to close storage contract

* Limit torrent description

* Add more logs to storage provider

* smc.forget tonlib method

* Use smc.forget in storage daemon

* Optimize sending messages in smc-util.cpp

* Fix verbosity, remove excessive logs

* Json output in storage-daemon-cli

* Update storage provider contracts

* Fix rldp2 acks

* Change verbosity of logs in rldp2

* Update help and output of commands and in storage-daemon-cli

Co-authored-by: SpyCheese <mikle98@yandex.ru>

rldp2/RldpReceiver.cpp

@@ -33,9 +33,8 @@ void RldpReceiver::on_ack_sent(td::Timestamp now) {
     //LOG(ERROR) << "RESEND ACK " << cnt_;
   }
   cnt_++;
-  if (cnt_ > 7) {
-    send_ack_at_ = {};
-  } else {
+  send_ack_at_ = {};
+  if (cnt_ <= 7) {
     send_ack_at_.relax(td::Timestamp::at(now.at() + config_.ack_delay * (1 << cnt_)));
   }
 }