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0.46.0

  • Changed FIND_NODE response: now includes a list of closest peers when querying the recipient peer ID. Previously, this request yielded an empty response. See PR 5270
  • Update to DHT republish interval and expiration time defaults to 22h and 48h respectively, rationale in libp2p/specs#451 See PR 3230
  • Use default dial conditions more consistently. See PR 4957
  • QueryClose progress whenever closer in range, instead of having to be the closest. See PR 4934.
  • Add periodic and automatic bootstrap. See PR 4838.
  • Make it mandatory to provide protocol names when creating a kad::Config. Deprecate kad::Config::default(), replaced by kad::Config::new(StreamProtocol). See PR 5122.
  • Compute jobs_query_capacity accurately. See PR 5148.
  • Derive Copy for kbucket::key::Key<T>. See PR 5317.
  • Use web-time instead of instant. See PR 5347.

0.45.3

  • The progress of the close query iterator shall be decided by ANY of the new peers. See PR 4932.

0.45.2

  • Ensure Multiaddr handled and returned by Behaviour are /p2p terminated. See PR 4596.

0.45.1

  • Fix a bug where calling Behaviour::remove_address with an address not in the peer's bucket would remove the peer from the routing table if the bucket has only one address left. See PR 4816
  • Add std::fmt::Display implementation on QueryId. See PR 4814.

0.45.0

  • Remove deprecated kad::Config::set_connection_idle_timeout in favor of SwarmBuilder::idle_connection_timeout. See PR 4659.
  • Emit ModeChanged event whenever we automatically reconfigure the mode. See PR 4503.
  • Make previously "deprecated" record module private. See PR 4035.
  • Expose hashed bytes of KBucketKey. See PR 4698.
  • Remove previously deprecated type-aliases. Users should follow the convention of importing the libp2p::kad module and referring to symbols as kad::Behaviour etc. See PR 4733.

0.44.6

  • Rename Kademlia symbols to follow naming convention. See PR 4547.
  • Fix a bug where we didn't detect a remote peer moving into client-state. See PR 4639.
  • Re-export NodeStatus. See PR 4645.
  • Deprecate kad::Config::set_connection_idle_timeout in favor of SwarmBuilder::idle_connection_timeout. See PR 4675.

0.44.5

  • Migrate to quick-protobuf-codec crate for codec logic. See PR 4501.

0.44.4

  • Implement common traits on RoutingUpdate. See PR 4270.
  • Reduce noise of "remote supports our protocol" log. See PR 4278.

0.44.3

  • Prevent simultaneous dials to peers. See PR 4224.
  • Rename missed KademliaEvent::OutboundQueryCompleted to KademliaEvent::OutboundQueryProgressed in documentation. See PR 4257.

0.44.2

  • Allow to explicitly set Mode::{Client,Server}. See PR 4132

0.44.1

  • Expose KBucketDistance. See PR 4109.

0.44.0

  • Raise MSRV to 1.65. See PR 3715.

  • Remove deprecated public modules handler, protocol and kbucket. See PR 3896.

  • Automatically configure client/server mode based on external addresses. If we have or learn about an external address of our node, e.g. through Swarm::add_external_address or automated through libp2p-autonat, we operate in server-mode and thus allow inbound requests. By default, a node is in client-mode and only allows outbound requests. If you want to maintain the status quo, i.e. always operate in server mode, make sure to add at least one external address through Swarm::add_external_address. See also Kademlia specification for an introduction to Kademlia client/server mode. See PR 3877.

0.43.3

  • Preserve existing KeepAlive::Until timeout instead of continuously setting new KeepAlive::Until(Instant::now() + self.config.idle_timeout). See PR 3801.

0.43.2

  • Export pub enum RoutingUpdate. See PR 3739.
  • Deprecate handler, kbucket, protocol, record modules to make them private. See PR 3738.

0.43.1

  • Migrate from prost to quick-protobuf. This removes protoc dependency. See PR 3312.

0.43.0

  • Update to libp2p-core v0.39.0.

  • Update to libp2p-swarm v0.42.0.

  • Remove lifetime from RecordStore and use GATs instead. See PR 3239.

  • Limit number of active outbound streams to 32. See PR 3287.

  • Bump MSRV to 1.65.0.

0.42.1

  • Skip unparsable multiaddr in Peer::addrs. See PR 3280.

0.42.0

  • Update to libp2p-core v0.38.0.

  • Update to libp2p-swarm v0.41.0.

  • Replace Kademlia's NetworkBehaviour implementation inject_* methods with the new on_* methods. See PR 3011.

  • Replace KademliaHandler's ConnectionHandler implementation inject_* methods with the new on_* methods. See PR 3085.

  • Update rust-version to reflect the actual MSRV: 1.62.0. See PR 3090.

  • Fix bad state transition on incoming AddProvider messages. This would eventually lead to warning that says: "New inbound substream to PeerId exceeds inbound substream limit. No older substream waiting to be reused." See PR 3152.

  • Refactor APIs to be streaming.

    • Renamed KademliaEvent::OutboundQueryCompleted to KademliaEvent::OutboundQueryProgressed
    • Instead of a single event OutboundQueryCompleted, there are now multiple events emitted, allowing the user to process them as they come in (via the new OutboundQueryProgressed). See ProgressStep to identify the final OutboundQueryProgressed of a single query.
    • To finish a query early, i.e. before the final OutboundQueryProgressed of the query, a caller needs to call query.finish().
    • There is no more automatic caching of records. The user has to manually call put_record_to on the QueryInfo::GetRecord.cache_candidates to cache a record to a close peer that did not return the record on the foregone query. See PR 2712.

0.41.0

  • Remove deprecated set_protocol_name() from KademliaConfig & KademliaProtocolConfig. Use set_protocol_names() instead. See PR 2866.

  • Bump rand to 0.8 and quickcheck to 1. See PR 2857.

  • Update to libp2p-core v0.37.0.

  • Update to libp2p-swarm v0.40.0.

0.40.0

  • Add support for multiple protocol names. Update Kademlia, KademliaConfig, and KademliaProtocolConfig accordingly. See Issue 2837. See PR 2846.

  • Update to libp2p-swarm v0.39.0.

  • Update to libp2p-core v0.36.0.

0.39.0

  • Update prost requirement from 0.10 to 0.11 which no longer installs the protoc Protobuf compiler. Thus you will need protoc installed locally. See PR 2788.

  • Update to libp2p-swarm v0.38.0.

  • Update to libp2p-core v0.35.0.

0.38.0

  • Update to libp2p-core v0.34.0.

  • Update to libp2p-swarm v0.37.0.

0.37.1

  • Limit # of inbound streams to 32. [See PR 2699].

0.37.0

  • Update to libp2p-core v0.33.0.

  • Update to libp2p-swarm v0.36.0.

  • Derive Error for GetRecordError (see PR 2614).

0.36.0

  • Update to libp2p-swarm v0.35.0.

0.35.0 [2022-02-22]

  • Update to libp2p-core v0.32.0.

  • Update to libp2p-swarm v0.34.0.

  • Require owned key in get_record() method (see PR 2477).

  • Merge NetworkBehaviour's inject_* paired methods (see PR 2445).

0.34.0 [2022-01-27]

  • Update dependencies.

  • Migrate to Rust edition 2021 (see PR 2339).

  • Derive Clone for KademliaEvent (see PR 2411)

  • Derive Serialize, Deserialize for store::record::Key (see PR 2408)

  • Add get_closest_local_peers to Kademlia (see PR 2436)

0.33.0 [2021-11-16]

  • Use instant and futures-timer instead of wasm-timer (see PR 2245).

  • Rename KademliaEvent::InboundRequestServed to KademliaEvent::InboundRequest and move InboundPutRecordRequest into InboundRequest::PutRecord and InboundAddProviderRequest into InboundRequest::AddProvider (see PR 2297).

  • Populate the key field when converting KadRequestMsg::PutValue to proto::Message (see PR 2309).

  • Update dependencies.

0.32.0 [2021-11-01]

  • Make default features of libp2p-core optional. PR 2181

  • Update dependencies.

  • Introduce KademliaStoreInserts option, which allows to filter records (see PR 2163).

  • Check local store when calling Kademlia::get_providers (see PR 2221).

0.31.0 [2021-07-12]

  • Update dependencies.

  • Expose inbound request information (see PR 2087). Note: KademliaEvent::QueryResult is renamed to KademliaEvent::OutboundQueryCompleted.

  • Expose whether KademliaEvent::RoutingUpdated is triggered with new peer (see PR 2087).

  • Expose kbucket range on KademliaEvent::RoutingUpdated (see PR 2087).

  • Remove false debug_assert on connected_peers (see PR 2120).

  • Return correct number of remaining bootstrap requests (see PR 2125).

0.30.0 [2021-04-13]

  • Update libp2p-swarm.

0.29.0 [2021-03-17]

  • Add KademliaCaching and KademliaConfig::set_caching to configure whether Kademlia should track, in lookups, the closest nodes to a key that did not return a record, via GetRecordOk::cache_candidates. As before, if a lookup used a quorum of 1, these candidates will automatically be sent the found record. Otherwise, with a lookup quorum of > 1, the candidates can be used with Kademlia::put_record_to after selecting one of the return records to cache. As is the current behaviour, caching is enabled by default with a max_peers of 1, i.e. it only tracks the closest node to the key that did not return a record.

  • Add Kademlia::put_record_to for storing a record at specific nodes, e.g. for write-back caching after a successful read with quorum > 1.

  • Update libp2p-swarm.

  • Update dependencies.

0.28.1 [2021-02-15]

  • Update dependencies.

0.28.0 [2021-01-12]

  • Update dependencies.

0.27.1 [2021-01-11]

  • Add From impls for kbucket::Key. PR 1909.

0.27.0 [2020-12-17]

  • Update libp2p-core and libp2p-swarm.

0.26.0 [2020-11-25]

  • Update libp2p-core and libp2p-swarm.

  • Have two ProviderRecords be equal iff their key and provider fields are equal. PR 1850.

0.25.0 [2020-11-09]

  • Upon newly established connections, delay routing table updates until after the configured protocol name has been confirmed by the connection handler, i.e. until after at least one substream has been successfully negotiated. In configurations with different protocol names, this avoids undesirable nodes being included in the local routing table at least temporarily. PR 1821.

  • Update dependencies.

0.24.0 [2020-10-16]

  • Update libp2p-core and libp2p-swarm.

  • Update sha2 dependency.

0.23.0 [2020-09-09]

  • Increase default max packet size from 4KiB to 16KiB. See issue 1622.

  • Add Distance::log2 (PR 1719).

  • Update libp2p-swarm and libp2p-core.

0.22.1 [2020-08-19]

  • Explicitly convert from u8 to usize in BucketIndex::range to prevent type inference issues (PR 1716).

0.22.0 [2020-08-18]

  • Store addresses in provider records. See PR 1708.

  • Update libp2p-core and libp2p-swarm dependencies.

  • Add KBucketRef::range exposing the minimum inclusive and maximum inclusive Distance for the bucket (PR 1680).

  • Add NetworkBehaviour::inject_address_change implementation (PR 1649).

0.21.0 [2020-07-01]

  • Remove KademliaEvent::Discovered (PR 1632)

  • More control and insight for k-buckets (PR 1628). In particular, Kademlia::kbuckets_entries has been removed and replaced by Kademlia::kbuckets/Kademlia::kbucket which provide more information than just the peer IDs. Furthermore Kademlia::add_address now returns a result and two new events, KademliaEvent::RoutablePeer and KademliaEvent::PendingRoutablePeer are introduced (but are not required to be acted upon in order to retain existing behaviour). For more details, see the PR description.

0.20.1 [2020-06-23]

0.20.0 [2020-06-22]

  • Optionally require iterative queries to use disjoint paths based on S/Kademlia for increased resiliency in the presence of potentially adversarial nodes (PR 1473).

  • Re-export several types (PR 1595).

  • Updated dependencies.