v0.6.0

New features

• DoS protected topics are available by using relay.AddSignedTopicValidator and relay.SignMessage functions
• Added webtransport to the list of available transports
• Update go-libp2p and go-libp2p-pubsub to fix memory leak
• Added seenMessagesTTLSeconds to gossipsub parameters in c-bindings
• Added waku_relay_topics to c-bindings to get the list of subscribed pubsub topics
• Go-waku can now act as a libp2p rendezvous client
• Circuit relay and hole punching is available in service node
• Nix can be used to build go-waku
• Added store protocol to REST server
• --ext-ip can be used to setup a custom IP address
• Added the WithConnectionNotification option to register a channel in which peer connections / disconnections are pushed
• New utils for handling shards and building ENRs
• Added new metrics to protocols
• Update RLN logic to match nwaku

Fixes:

• Node private key can be set via GOWAKU_NODEKEY environment variable
• The number of content topics in filter protocol was limited to 10, and a timeout was added to message push
• Filter protocol will ignore messages received if they were sent by a node we are not subscribed to
• Handle chain forks in RLN
• Handle max number of smart contract logs exceeded when retrieving the full membership history from the RLN contract
• Fixed an issue that occurred when shutting down the node while attempting to connect to a discovered peer
• In c-bindings, removing a duplicated filter will not crash
• Only the last discovered nodes was being set while using DNS discovery.

Code changes

• Broadcaster was completely revamped and it is now initialized when the node is started
• Host is injected in the Waku Node when it is started (previously it was done as soon as a node was created)
• Peer Exchange's peer cache uses an LRU for storing peers
• Discv5 is now lock free

Breaking changes:

• Swap protocol was removed
• Renamed Filter protocol to LegacyFilter, and FilterV2 to Filter