2022-03-03 v0.8

Release highlights:

• Working demonstration and integration of 17/WAKU-RLN-RELAY in the Waku v2 toy-chat application
• Beta support for ambient peer discovery using a version of Discovery v5
• A fix for the issue that caused a store node to run out of memory after serving a number of historical queries
• Ability to configure a dns4 domain name for a node and resolve other dns-based multiaddrs

The full list of changes is below.

Features

• 17/WAKU-RLN-RELAY implementation now supports spam-protection for a specific combination of pubsubTopic and contentTopic (available under the rln compiler flag).
• 17/WAKU-RLN-RELAY integrated into chat2 toy-chat (available under the rln compiler flag)
• Added support for resolving dns-based multiaddrs
• A Waku v2 node can now be configured with a domain name and dns4 multiaddr
• Support for ambient peer discovery using 33/WAKU-DISCV5

Changes

• Metrics: now monitoring content topics and the sources of new connections
• Metrics: improved default fleet monitoring dashboard
• Introduced a Timestamp type (currently an alias for int64).
• All timestamps changed to nanosecond resolution.
• timestamp field number in WakuMessage object changed from 4 to 10
• 13/WAKU2-STORE identifier updated to /vac/waku/store/2.0.0-beta4
• toy-chat application now uses DNS discovery to connect to existing fleets

Fixes

• Fixed underlying bug that caused occasional failures when reading the certificate for secure websockets
• Fixed store memory usage issues when responding to history queries

Docs

• Documented use of domain certificates for secure websockets
• Documented how to configure a dns4 domain name for a node
• Clarified use of DNS discovery and provided current URLs for discoverable fleet nodes
• Added tutorial on using 17/WAKU-RLN-RELAY with the chat2 toy-chat application
• Added tutorial on how to configure and a use a 15/WAKU-BRIDGE

This release supports the following libp2p protocols:

Protocol	Spec status	Protocol id
11/WAKU2-RELAY	stable	/vac/waku/relay/2.0.0
12/WAKU2-FILTER	draft	/vac/waku/filter/2.0.0-beta1
13/WAKU2-STORE	draft	/vac/waku/store/2.0.0-beta4
18/WAKU2-SWAP	draft	/vac/waku/swap/2.0.0-beta1
19/WAKU2-LIGHTPUSH	draft	/vac/waku/lightpush/2.0.0-beta1

The Waku v1 implementation is stable but not under active development.