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CHANGELOG.md

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0.4.0 release (2022.2.23)

New Optimizations and changes

  • New:
    • Gossip: A pub/sub protocol that supports focusing on one or more topics.
  • Optimization:
    • Metric:
      • use snapshot to calculate rate.
    • Kad:
      • set TaskLimiter parallelism to control iterator query.
      • add environment variables.
    • Cli: Add command
      • swarm ping: ping a specific peer_id.
      • dht pm: provide many keys to dht network.
      • dht noaddr: search those peers that address is not in peerstore from KBucket.
    • Substream
      • add timeout to avoid long hang.
  • Dependencies updated:
    • Secio:
      • because of version yanked, replace aes-ctr to aes.
    • Noise:
      • updated rand and snow.
  • Bug fixed:
    • MetricMap:
      • Fixed swapping problem when insert new item.

0.3.0 release (2021.4.23)

Changes

Eventually we don't depend on ReadEx/WriteEx/SplitEx any longer. Actually we figure out it is better to keep the classic AsyncRead/AsyncWrite, for the sake of backward compatibility. On the other hand, we still have ReadEx/WriteEx, which serve as extensions to AsyncRead/AsyncWrite, providing IO Codec support.

Besides, there are some changes in Kad-DHT protocol implementation. To be more specific, re-provide/publish functionality is removed from Kad. We tend to believe the logics of re-provide/republish belong to the App using Kad, instead of Kad itself. As a result, the data structures of Provider/Record are simplified accordingly, and there are two gc_xxx methods are required in RecordStore trait, to perform GC for Provider and Records respectively, which is done by tracking the timestamp of Provider/Record received from network. Note that GC will be performed only for the provider/record received from network.

0.2.2 release (2021.3.1)

Changes

  • Swarm:
    • Must implement ProtocolImpl trait for all protocols
      • ProtocolImpl includes two methods: handler() & start()
    • Protocols main loop(if any) are started by Swarm
  • Floodsub
    • move .await to independent tasks
    • API: Arc to avoid cloning messages for multiple subscribers
  • Kad API changed
    • bootstrap() allow an initial boot node list
    • unprovide() to remove provider from local store
  • Other minor changes

0.2.1 release (2021.1.26)

  • libp2prs_runtime added to support both async-std and tokio 1.0
  • feature sets refactored

0.2.0 release (2021.1.12)

New features and changes

  • Protocols
    • Kad-DHT:
      • beta-value introduced to better handle iterative query termination
      • configurable timeout for iterative query
      • auto-refresh mechanism to refresh the routing table in a configurable interval
      • health check for any nodes/peers in the routing table whose aliveness is deemed to be outdated
      • event handling for peer identified and local address changed
      • outgoing sub-streams reuse
      • statistics for iterative query - success, failure or timeout
      • debugging shell commands
    • floodsub: experimental
    • mDns: experimental
  • Swarm
    • async post-processing upgrade when accepting new incoming connections**
    • dialer support, dialing multiple addresses in parallel
    • improved identify protocol
    • metric support and many bug fixes
    • notification mechanism for protocol handlers
  • Tcp transport: interface address change event
  • PeerStore improvement
  • Prometheus exporter and Info web server
  • An interactive debugging shell, integrated with Swarm and Kad
  • Copyright notice updated to conform with MIT license

0.1.0 Initial release (2020.10.26)

Features

  • Transport: Tcp, Dns, Websocket
  • Security IO: secio, plaintext, noise
  • Stream Muxing: yamux, mplex
  • Transport Upgrade: Multistream select, timeout, protector
  • Swarm, with Ping & Identify