## 2023-01-16 v0.14.0 Release highlights: - An important fix for the Waku message archive returning inconsistent responses to history queries. - Support for [AutoNAT](https://docs.libp2p.io/concepts/nat/autonat/) and [libp2p Circuit Relay](https://docs.libp2p.io/concepts/nat/circuit-relay/) that allows, among other things, for [NAT hole punching](https://docs.libp2p.io/concepts/nat/hole-punching/). - Support for structured logging in JSON format. - A fix for an underlying file descriptor leak that affected websocket connections. ### Features - Support for [AutoNAT](https://docs.libp2p.io/concepts/nat/autonat/) - Support for [libp2p Circuit Relay](https://docs.libp2p.io/concepts/nat/circuit-relay/) (server only) - New Waku Archive implementation. This allows easy addition of drivers for different technologies to store historical messages. - Support for structured logging and specifying log format. - Node now keeps track of its external reachability. ### Changes - Zerokit RLN library now statically linked. - Use extended key generation in Zerokit API to comply with [32/RLN](https://rfc.vac.dev/spec/32/). - Re-enable root validation in [`17/WAKU-RLN-RELAY`](https://rfc.vac.dev/spec/17/) implementation. - [Network monitoring tool](https://github.com/status-im/nwaku/tree/2336522d7f478337237a5a4ec8c5702fb4babc7d/tools#networkmonitor) now supports DNS discovery. - Added [dashboard](https://github.com/waku-org/nwaku/blob/3e0e1cb2398297fca761aa74f52d32fa837d556c/metrics/waku-network-monitor-dashboard.json) for network monitoring. - Continued refactoring of several protocol implementations to improve maintainability and readability. - Removed swap integration from store protocol. - Peerstore now consolidated with libp2p peerstore. - Peerstore now also tracks peer direction. - SIGSEGV signals are now handled and logged properly. - Waku v2 no longer imports libraries from Waku v1. - Improved build and CI processes: - Added support for an `EXPERIMENTAL` compiler flag. - Simplified project Makefile. - Split Dockerfile into production and experimental stages. - Removed obsolete simulation libraries from build. - Improved parallellisation (and therefore processing time) when dialing several peers simultaneously. - Waku Archive now responds with error to historical queries containing more than 10 content topics. ### Fixes - Fixed support for optional fields in several protocol rpc codecs. [#1393](https://github.com/waku-org/nwaku/pull/1393) [#1395](https://github.com/waku-org/nwaku/pull/1395) [#1396](https://github.com/waku-org/nwaku/pull/1396) - Fixed clients with `--store=false` not installing Store Client JSON-RPC API handlers. [#1382](https://github.com/waku-org/nwaku/pull/1382) - Fixed SQLite driver returning inconsistent responses to store queries. [#1415](https://github.com/waku-org/nwaku/pull/1415) - Fixed peer exchange discv5 loop starting before discv5 has started. [#1407](https://github.com/waku-org/nwaku/pull/1407) - Fixed wakubridge test timing. [#1429](https://github.com/waku-org/nwaku/pull/1429) - Fixed bug in Noise module types equating `T_ss` incorrectly to `"se"` and not `"ss"`. [#1432](https://github.com/waku-org/nwaku/pull/1432) - Fixed Ctrl-C quitting resulting in unreleased resources and exit failures. [#1416](https://github.com/waku-org/nwaku/pull/1416) - Fixed CI workflows not cloning repo on startup. [#1454](https://github.com/waku-org/nwaku/pull/1454) [#1455](https://github.com/waku-org/nwaku/pull/1455) - Fixed Admin API peer connection not returning error response if peer can't be connected. [#1476](https://github.com/waku-org/nwaku/pull/1476) - Fixed underlying file descriptor leak. [#1483](https://github.com/waku-org/nwaku/pull/1483) ### Docs - Added [instructions](https://github.com/waku-org/nwaku/blob/3e0e1cb2398297fca761aa74f52d32fa837d556c/docs/operators/quickstart.md) for running nwaku with docker compose. This release supports the following [libp2p protocols](https://docs.libp2p.io/concepts/protocols/): | Protocol | Spec status | Protocol id | | ---: | :---: | :--- | | [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `stable` | `/vac/waku/relay/2.0.0` | | [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` | | [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta4` | | [`18/WAKU2-SWAP`](https://rfc.vac.dev/spec/18/) | `draft` | `/vac/waku/swap/2.0.0-beta1` | | [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `draft` | `/vac/waku/lightpush/2.0.0-beta1` | The Waku v1 implementation is stable but not under active development. ## 2022-11-15 v0.13.0 Release highlights: - A [Waku canary tool](https://github.com/status-im/nwaku/tree/2336522d7f478337237a5a4ec8c5702fb4babc7d/tools#waku-canary-tool) to check if nodes are reachable and what protocols they support. - Simplified configuration for store protocol. This [new guide](https://github.com/status-im/nwaku/blob/4e5318bfbb204bd1239c95472d7b84b6a326dd9d/docs/operators/how-to/configure-store.md) explains how to configure store from this release forward. - Support for environment variables to configure a nwaku node. See our [configuration guide](https://github.com/status-im/nwaku/blob/384abed614050bf3aa90c901d7f5e8bc383e8b22/docs/operators/how-to/configure.md) for more. - A Waku [network monitoring tool](https://github.com/status-im/nwaku/tree/2336522d7f478337237a5a4ec8c5702fb4babc7d/tools#networkmonitor) to report network metrics, including network size, discoverable peer capabilities and more. ### Features - Added Waku canary tool to check if i) a given node is reachable and ii) it supports a set of protocols. - Simplified [Waku store configuration](https://github.com/status-im/nwaku/blob/4e5318bfbb204bd1239c95472d7b84b6a326dd9d/docs/operators/how-to/configure-store.md). - Decoupled Waku peer persistence configuration from message store configuration. - Added keyfile support for secure storage of RLN credentials. - Added configurable libp2p agent string to nwaku switch. - Support for [configuration with environment variables](https://github.com/status-im/nwaku/blob/384abed614050bf3aa90c901d7f5e8bc383e8b22/docs/operators/how-to/configure.md). - Added [example module](https://github.com/status-im/nwaku/tree/2336522d7f478337237a5a4ec8c5702fb4babc7d/examples/v2) to showcase basic nwaku relay usage. - Added a nwaku [network monitoring tool](https://github.com/status-im/nwaku/tree/2336522d7f478337237a5a4ec8c5702fb4babc7d/tools#networkmonitor) to provide metrics on peers, network size and more. ### Changes - Removed support for Kilic's RLN library (obsolete). - Improved logging for [`17/WAKU-RLN-RELAY`](https://rfc.vac.dev/spec/17/) implementation. - Connection to eth node for RLN now more stable, maintains state and logs failures. - Waku apps and tools now moved to their own subdirectory. - Continued refactoring of several protocol implementations to improve maintainability and readability. - Periodically log metrics when running RLN spam protection. - Added metrics dashboard for RLN spam protection. - Github CI test workflows are now run selectively, based on the content of a PR. - Improved reliability of CI runs and added email notifications. - Discv5 discovery loop now triggered to fill a [34/WAKU2-PEER-EXCHANGE](https://rfc.vac.dev/spec/34/) peer list cache asynchronously. - Upgraded to Nim v1.6.6. - Cleaned up compiler warnings on unused imports. - Improved exception handling and annotation. - [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) no longer enabled by default on nwaku nodes. - Merkle tree roots for RLN membership changes now on a per-block basis to allow poorly connected peers to operate within a window of acceptable roots. ### Fixes - Fixed encoding of ID commitments for RLN from Big-Endian to Little-Endian. [#1256](https://github.com/status-im/nwaku/pull/1256) - Fixed maxEpochGap to be the maximum allowed epoch gap (RLN). [#1257](https://github.com/status-im/nwaku/pull/1257) - Fixed store cursors being retrieved incorrectly (truncated) from DB. [#1263](https://github.com/status-im/nwaku/pull/1263) - Fixed message indexed by store cursor being excluded from history query results. [#1263](https://github.com/status-im/nwaku/pull/1263) - Fixed log-level configuration being ignored by the nwaku node. [#1272](https://github.com/status-im/nwaku/pull/1272) - Fixed incorrect error message when failing to set [34/WAKU2-PEER-EXCHANGE](https://rfc.vac.dev/spec/34/) peer. [#1298](https://github.com/status-im/nwaku/pull/1298) - Fixed and replaced deprecated `TaintedString` type. [#1326](https://github.com/status-im/nwaku/pull/1326) - Fixed and replaced unreliable regex library and usage. [#1327](https://github.com/status-im/nwaku/pull/1327) [#1328](https://github.com/status-im/nwaku/pull/1328) - Fixed and replaced deprecated `ganache-cli` node package with `ganache` for RLN onchain tests. Added graceful daemon termination. [#1347](https://github.com/status-im/nwaku/pull/1347) ### Docs - Added cross client RLN testnet [tutorial](https://github.com/status-im/nwaku/blob/44d8a2026dc31a37e181043ceb67e2822376dc03/docs/tutorial/rln-chat-cross-client.md). - Fixed broken link to Kibana in [cluster documentation](https://github.com/status-im/nwaku/blob/5e90085242e9e4d6f3cf307e189efbf7e59da9f9/docs/contributors/cluster-logs.md). - Added an improved [quickstart guide](https://github.com/status-im/nwaku/blob/8f5363ea8f5e95fc1104307aa0d2fc59fda13698/docs/operators/quickstart.md) for operators. - Added a [Docker usage guide](https://github.com/status-im/nwaku/blob/8f5363ea8f5e95fc1104307aa0d2fc59fda13698/docs/operators/docker-quickstart.md#prerequisites) for operators. - Added operator [guide on running RLN spam prevention](https://github.com/status-im/nwaku/blob/bd516788cb39132ccbf0a4dcf0880e9694beb233/docs/operators/how-to/run-with-rln.md) on nwaku nodes. - Extended guidelines on nwaku [configuration methods](https://github.com/status-im/nwaku/blob/384abed614050bf3aa90c901d7f5e8bc383e8b22/docs/operators/how-to/configure.md) for operators. - Added new [store configuration guide](https://github.com/status-im/nwaku/blob/4e5318bfbb204bd1239c95472d7b84b6a326dd9d/docs/operators/how-to/configure-store.md) to reflect simplified options. This release supports the following [libp2p protocols](https://docs.libp2p.io/concepts/protocols/): | Protocol | Spec status | Protocol id | | ---: | :---: | :--- | | [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `stable` | `/vac/waku/relay/2.0.0` | | [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` | | [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta4` | | [`18/WAKU2-SWAP`](https://rfc.vac.dev/spec/18/) | `draft` | `/vac/waku/swap/2.0.0-beta1` | | [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `draft` | `/vac/waku/lightpush/2.0.0-beta1` | The Waku v1 implementation is stable but not under active development. ## 2022-10-06 v0.12.0 Release highlights: - The performance and stability of the message `store` has improved dramatically. Query durations, even for long-term stores, have improved by more than a factor of 10. - Support for Waku Peer Exchange - a discovery method for resource-restricted nodes. - Messages can now be marked as "ephemeral" to prevent them from being stored. - [Zerokit](https://github.com/vacp2p/zerokit) is now the default implementation for spam-protected `relay` with RLN. The full list of changes is below. ### Features - Default support for [Zerokit](https://github.com/vacp2p/zerokit) version of [`17/WAKU-RLN-RELAY`](https://rfc.vac.dev/spec/17/) implementation. - Added Filter REST API OpenAPI specification. - Added POC implementation for [43/WAKU2-DEVICE-PAIRING](https://rfc.vac.dev/spec/43/). - [14/WAKU2-MESSAGE](https://rfc.vac.dev/spec/14/) can now be marked as `ephemeral` to prevent them from being stored. - Support for [34/WAKU2-PEER-EXCHANGE](https://rfc.vac.dev/spec/34/). ### Changes - [`17/WAKU-RLN-RELAY`](https://rfc.vac.dev/spec/17/) implementation now handles on-chain transaction errors. - [`17/WAKU-RLN-RELAY`](https://rfc.vac.dev/spec/17/) implementation now validates the Merkle tree root against a window of acceptable roots. - Added metrics for [`17/WAKU-RLN-RELAY`](https://rfc.vac.dev/spec/17/) implementation. - Continued refactoring of several protocol implementations to improve maintainability and readability. - Cleaned up nwaku imports and dependencies. - Refactored and organised nwaku unit tests. - Nwaku now periodically logs node metrics by default. - Further improvements to the `store` implementation: - Better logging and query traceability. - More useful metrics to measure query and insertion time. - Reworked indexing for faster inserts and queries. - Reworked data model to use a simple, single timestamp for indexing, ordering and querying. - Improved retention policy management with periodic execution. - Run sqlite database vacuum at node start. - Improved logging when migrating the database to a newer version. - `relay` no longer auto-mounted on all nwaku nodes. - The most complete node ENR now included in response to API requests for node `info()`. - Updated Grafana dashboards included with nwaku. - Github CI test execution now skipped for doc-only changes. ### Fixes - Fixed nwaku unnecessary sleep when no dynamic bootstrap nodes retrieved. - Fixed [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) not working from browser-based clients due to nwaku peer manager failing to reuse existing connection. - Waku Message payload now correctly encoded as base64 in the Relay REST API. - Fixed handling of bindParam(uint32) in sqlite. - `chat2` application now correctly selects a random store node on startup. - Fixed macos builds failing due to an unsupported dependency. - Fixed nwaku not reconnecting to previously discovered nodes after losing connection. - Fixed nwaku failing to start switch transports with external IP configuration. - Fixed SIGSEGV crash when attempting to start nwaku store without `db-path` configuration. ### Docs - Improved [RLN testnet tutorial](https://github.com/status-im/nwaku/blob/14abdef79677ddc828ff396ece321e05cedfca17/docs/tutorial/onchain-rln-relay-chat2.md) - Added [tutorial](https://github.com/status-im/nwaku/blob/14abdef79677ddc828ff396ece321e05cedfca17/docs/operators/droplet-quickstart.md) on running nwaku from a DigitalOcean droplet. - Added [guide](https://github.com/status-im/nwaku/blob/14abdef79677ddc828ff396ece321e05cedfca17/docs/operators/how-to/monitor.md) on how to monitor nwaku using Prometheus and Grafana. This release supports the following [libp2p protocols](https://docs.libp2p.io/concepts/protocols/): | Protocol | Spec status | Protocol id | | ---: | :---: | :--- | | [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `stable` | `/vac/waku/relay/2.0.0` | | [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` | | [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta4` | | [`18/WAKU2-SWAP`](https://rfc.vac.dev/spec/18/) | `draft` | `/vac/waku/swap/2.0.0-beta1` | | [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `draft` | `/vac/waku/lightpush/2.0.0-beta1` | The Waku v1 implementation is stable but not under active development. ## 2022-08-15 v0.11 Release highlights: - Major improvements in the performance of historical message queries to longer-term, sqlite-only message stores. - Introduction of an HTTP REST API with basic functionality - On-chain RLN group management. This was also integrated into an [example spam-protected chat application](https://github.com/status-im/nwaku/blob/4f93510fc9a938954dd85593f8dc4135a1c367de/docs/tutorial/onchain-rln-relay-chat2.md). The full list of changes is below. ### Features - Support for on-chain group membership management in the [`17/WAKU-RLN-RELAY`](https://rfc.vac.dev/spec/17/) implementation. - Integrated HTTP REST API for external access to some `wakunode2` functionality: - Debug REST API exposes debug information about a `wakunode2`. - Relay REST API allows basic pub/sub functionality according to [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/). - [`35/WAKU2-NOISE`](https://rfc.vac.dev/spec/35/) implementation now adds padding to ChaChaPoly encryptions to increase security and reduce metadata leakage. ### Changes - Significantly improved the SQLite-only historical message `store` query performance. - Refactored several protocol implementations to improve maintainability and readability. - Major code reorganization for the [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) implementation to improve maintainability. This will also make the `store` extensible to support multiple implementations. - Disabled compiler log colors when running in a CI environment. - Refactored [`35/WAKU2-NOISE`](https://rfc.vac.dev/spec/35/) implementation into smaller submodules. - [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) implementation can now optionally be compiled with [Zerokit RLN](https://github.com/vacp2p/zerokit/tree/64f508363946b15ac6c52f8b59d8a739a33313ec/rln). Previously only [Kilic's RLN](https://github.com/kilic/rln/tree/7ac74183f8b69b399e3bc96c1ae8ab61c026dc43) was supported. ### Fixes - Fixed wire encoding of protocol buffers to use proto3. - Fixed Waku v1 <> Waku v2 bridge losing connection to statically configured v1 nodes. - Fixed underlying issue causing DNS discovery to fail for records containing multiple strings. ### Docs - Updated [release process](https://github.com/status-im/nwaku/blob/4f93510fc9a938954dd85593f8dc4135a1c367de/docs/contributors/release-process.md) documentation. - Added [tutorial](https://github.com/status-im/nwaku/blob/4f93510fc9a938954dd85593f8dc4135a1c367de/docs/tutorial/onchain-rln-relay-chat2.md) on how to run a spam-protected chat2 application with on-chain group management. This release supports the following [libp2p protocols](https://docs.libp2p.io/concepts/protocols/): | Protocol | Spec status | Protocol id | | ---: | :---: | :--- | | [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `stable` | `/vac/waku/relay/2.0.0` | | [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` | | [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta4` | | [`18/WAKU2-SWAP`](https://rfc.vac.dev/spec/18/) | `draft` | `/vac/waku/swap/2.0.0-beta1` | | [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `draft` | `/vac/waku/lightpush/2.0.0-beta1` | The Waku v1 implementation is stable but not under active development. ## 2022-06-15 v0.10 Release highlights: - Support for key exchange using Noise handshakes. - Support for a SQLite-only historical message `store`. This allows for cheaper, longer-term historical message storage on disk rather than in memory. - Several fixes for native WebSockets, including slow or hanging connections and connections dropping unexpectedly due to timeouts. - A fix for a memory leak in nodes running a local SQLite database. ### Features - Support for [`35/WAKU2-NOISE`](https://rfc.vac.dev/spec/35/) handshakes as key exchange protocols. - Support for TOML config files via `--config-file=`. - Support for `--version` command. This prints the current tagged version (or compiled commit hash, if not on a version). - Support for running `store` protocol from a `filter` client, storing only the filtered messages. - Start of an HTTP REST API implementation. - Support for a memory-efficient SQLite-only `store` configuration. ### Changes - Added index on `receiverTimestamp` in the SQLite `store` to improve query performance. - GossipSub [Peer Exchange](https://github.com/libp2p/specs/blob/master/pubsub/gossipsub/gossipsub-v1.1.md#prune-backoff-and-peer-exchange) is now disabled by default. This is a more secure option. - Progress towards dynamic group management for the [`17/WAKU-RLN-RELAY`](https://rfc.vac.dev/spec/17/) implementation. - Nodes with `--keep-alive` enabled now sends more regular pings to keep connections more reliably alive. - Disabled `swap` protocol by default. - Reduced unnecessary and confusing logging, especially during startup. - Added discv5 UDP port to the node's main discoverable ENR. ### Fixes - The in-memory `store` now checks the validity of message timestamps before storing. - Fixed underlying bug that caused connection leaks in the HTTP client. - Fixed Docker image compilation to use the correct external variable for compile-time flags (`NIMFLAGS` instead of `NIM_PARAMS`). - Fixed issue where `--dns4-domain-name` caused an unhandled exception if no external port was available. - Avoids unnecessarily calling DB migration if a `--db-path` is set but nothing is persisted in the DB. This led to a misleading warning log. - Fixed underlying issues that caused WebSocket connections to hang. - Fixed underlying issue that caused WebSocket connections to time out after 10 mins. - Fixed memory leak in nodes that implements a SQLite database. ### Docs - Added [tutorial](https://github.com/status-im/nwaku/blob/16dd267bd9d25ff24c64fc5c92a20eb0d322217c/docs/operators/how-to/configure-key.md) on how to generate and configure a node key. - Added first [guide](https://github.com/status-im/nwaku/tree/16dd267bd9d25ff24c64fc5c92a20eb0d322217c/docs/operators) for nwaku operators. This release supports the following [libp2p protocols](https://docs.libp2p.io/concepts/protocols/): | Protocol | Spec status | Protocol id | | ---: | :---: | :--- | | [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `stable` | `/vac/waku/relay/2.0.0` | | [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` | | [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta4` | | [`18/WAKU2-SWAP`](https://rfc.vac.dev/spec/18/) | `draft` | `/vac/waku/swap/2.0.0-beta1` | | [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `draft` | `/vac/waku/lightpush/2.0.0-beta1` | The Waku v1 implementation is stable but not under active development. ## 2022-03-31 v0.9 Release highlights: - Support for Peer Exchange (PX) when a peer prunes a [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) mesh due to oversubscription. This can significantly increase mesh stability. - Improved start-up times through managing the size of the underlying persistent message storage. - New websocket connections are no longer blocked due to parsing failures in other connections. The full list of changes is below. ### Features - Support for bootstrapping [`33/WAKU-DISCV5`](https://rfc.vac.dev/spec/33) via [DNS discovery](https://rfc.vac.dev/spec/10/#discovery-methods) - Support for GossipSub [Peer Exchange](https://github.com/libp2p/specs/blob/master/pubsub/gossipsub/gossipsub-v1.1.md#prune-backoff-and-peer-exchange) ### Changes - Waku v1 <> v2 bridge now supports DNS `multiaddrs` - Waku v1 <> v2 bridge now validates content topics before attempting to bridge a message from Waku v2 to Waku v1 - Persistent message storage now auto deletes messages once over specified `--store-capacity`. This can significantly improve node start-up times. - Renamed Waku v1 <> v2 bridge `make` target and binary to `wakubridge` - Increased `store` logging to assist with debugging - Increased `rln-relay` logging to assist with debugging - Message metrics no longer include the content topic as a dimension to keep Prometheus metric cardinality under control - Waku v2 `toy-chat` application now sets the sender timestamp when creating messages - The type of the `proof` field of the `WakuMessage` is changed to `RateLimitProof` - Added method to the JSON-RPC API that returns the git tag and commit hash of the binary - The node's ENR is now included in the JSON-RPC API response when requesting node info ### Fixes - Fixed incorrect conversion of seconds to nanosecond timestamps - Fixed store queries blocking due to failure in resource clean up - Fixed underlying issue where new websocket connections are blocked due to parsing failures in other connections - Fixed failure to log the ENR necessary for a discv5 connection to the node ### Docs - Added [RAM requirements](https://github.com/status-im/nim-waku/tree/ee96705c7fbe4063b780ac43b7edee2f6c4e351b/waku/v2#wakunode) to `wakunode2` build instructions - Added [tutorial](https://github.com/status-im/nim-waku/blob/ee96705c7fbe4063b780ac43b7edee2f6c4e351b/docs/tutorial/rln-chat2-live-testnet.md) on communicating with waku2 test fleets via the chat2 `toy-chat` application in spam-protected mode using [`17/WAKU-RLN-RELAY`](https://rfc.vac.dev/spec/17/). - Added a [section on bug reporting](https://github.com/status-im/nim-waku/blob/ee96705c7fbe4063b780ac43b7edee2f6c4e351b/README.md#bugs-questions--features) to `wakunode2` README - Fixed broken links in the [JSON-RPC API Tutorial](https://github.com/status-im/nim-waku/blob/5ceef37e15a15c52cbc589f0b366018e81a958ef/docs/tutorial/jsonrpc-api.md) This release supports the following [libp2p protocols](https://docs.libp2p.io/concepts/protocols/): | Protocol | Spec status | Protocol id | | ---: | :---: | :--- | | [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `stable` | `/vac/waku/relay/2.0.0` | | [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` | | [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta4` | | [`18/WAKU2-SWAP`](https://rfc.vac.dev/spec/18/) | `draft` | `/vac/waku/swap/2.0.0-beta1` | | [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `draft` | `/vac/waku/lightpush/2.0.0-beta1` | The Waku v1 implementation is stable but not under active development. ## 2022-03-03 v0.8 Release highlights: - Working demonstration and integration of [`17/WAKU-RLN-RELAY`](https://rfc.vac.dev/spec/17/) in the Waku v2 `toy-chat` application - Beta support for ambient peer discovery using [a version of Discovery v5](https://github.com/vacp2p/rfc/pull/487) - 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`](https://rfc.vac.dev/spec/17/) implementation now supports spam-protection for a specific combination of `pubsubTopic` and `contentTopic` (available under the `rln` compiler flag). - [`17/WAKU-RLN-RELAY`](https://rfc.vac.dev/spec/17/) 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`](https://github.com/vacp2p/rfc/pull/487) ### 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`](https://rfc.vac.dev/spec/13/) 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](https://github.com/status-im/nim-waku/tree/2972a5003568848164033da3fe0d7f52a3d54824/waku/v2#enabling-websocket) for secure websockets - Documented [how to configure a `dns4` domain name](https://github.com/status-im/nim-waku/tree/2972a5003568848164033da3fe0d7f52a3d54824/waku/v2#using-dns-discovery-to-connect-to-existing-nodes) for a node - Clarified [use of DNS discovery](https://github.com/status-im/nim-waku/tree/2972a5003568848164033da3fe0d7f52a3d54824/waku/v2#using-dns-discovery-to-connect-to-existing-nodes) and provided current URLs for discoverable fleet nodes - Added [tutorial](https://github.com/status-im/nim-waku/blob/2972a5003568848164033da3fe0d7f52a3d54824/docs/tutorial/rln-chat2-local-test.md) on using [`17/WAKU-RLN-RELAY`](https://rfc.vac.dev/spec/17/) with the chat2 `toy-chat` application - Added [tutorial](https://github.com/status-im/nim-waku/blob/2972a5003568848164033da3fe0d7f52a3d54824/docs/tutorial/bridge.md) on how to configure and a use a [`15/WAKU-BRIDGE`](https://rfc.vac.dev/spec/15/) This release supports the following [libp2p protocols](https://docs.libp2p.io/concepts/protocols/): | Protocol | Spec status | Protocol id | | ---: | :---: | :--- | | [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `stable` | `/vac/waku/relay/2.0.0` | | [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` | | [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta4` | | [`18/WAKU2-SWAP`](https://rfc.vac.dev/spec/18/) | `draft` | `/vac/waku/swap/2.0.0-beta1` | | [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `draft` | `/vac/waku/lightpush/2.0.0-beta1` | The Waku v1 implementation is stable but not under active development. ## 2022-01-19 v0.7 Release highlights: - Support for secure websockets. - Ability to remove unreachable clients in a `filter` node. - Several fixes to improve `store` performance and decrease query times. Query time for large stores decreased from longer than 8 min to under 100 ms. - Fix for a long-standing bug that prevented proper database migration in some deployed Docker containers. The full list of changes is below. ### Features - Support for secure websocket transport ### Changes - Filter nodes can now remove unreachable clients - The WakuInfo `listenStr` is deprecated and replaced with a sequence of `listenAddresses` to accommodate multiple transports - Removed cached `peerInfo` on local node. Rely on underlying libp2p switch instead - Metrics: added counters for protocol messages - Waku v2 node discovery now supports [`31/WAKU2-ENR`](https://rfc.vac.dev/spec/31/) - resuming the history via `resume` now takes the answers of all peers in `peerList` into consideration and consolidates them into one deduplicated list ### Fixes - Fixed database migration failure in the Docker image - All `HistoryResponse` messages are now auto-paginated to a maximum of 100 messages per response - Increased maximum length for reading from a libp2p input stream to allow largest possible protocol messages, including `HistoryResponse` messages at max size - Significantly improved `store` node query performance - Implemented a GossipSub `MessageIdProvider` for `11/WAKU2-RELAY` messages instead of relying on the unstable default - Receiver timestamps for message indexing in the `store` now have consistent millisecond resolution This release supports the following [libp2p protocols](https://docs.libp2p.io/concepts/protocols/): | Protocol | Spec status | Protocol id | | ---: | :---: | :--- | | [`17/WAKU-RLN-RELAY`](https://rfc.vac.dev/spec/17/) | `raw` | `/vac/waku/waku-rln-relay/2.0.0-alpha1` | | [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `stable` | `/vac/waku/relay/2.0.0` | | [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` | | [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta3` | | [`18/WAKU2-SWAP`](https://rfc.vac.dev/spec/18/) | `draft` | `/vac/waku/swap/2.0.0-beta1` | | [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `draft` | `/vac/waku/lightpush/2.0.0-beta1` | The Waku v1 implementation is stable but not under active development. ## 2021-11-05 v0.6 Some useful features and fixes in this release, include: - two methods for Waku v2 node discovery - support for unsecure websockets, which paves the way for native browser usage - a fix for `nim-waku` store nodes running out of memory due to store size: the number of stored messages can now easily be configured - a fix for densely connected nodes refusing new connections: the maximum number of allowed connections can now easily be configured - support for larger message sizes (up from 64kb to 1Mb per message) The full list of changes is below. ### Features - Waku v2 node discovery via DNS following [EIP-1459](https://eips.ethereum.org/EIPS/eip-1459) - Waku v2 node discovery via [Node Discovery v5](https://github.com/ethereum/devp2p/blob/master/discv5/discv5-theory.md) ### Changes - Pagination of historical queries are now simplified - GossipSub [prune backoff period](https://github.com/libp2p/specs/blob/master/pubsub/gossipsub/gossipsub-v1.1.md#prune-backoff-and-peer-exchange) is now the recommended 1 minute - Bridge now uses content topic format according to [23/WAKU2-TOPICS](https://rfc.vac.dev/spec/23/) - Better internal differentiation between local and remote peer info - Maximum number of libp2p connections is now configurable - `udp-port` CLI option has been removed for binaries where it's not used - Waku v2 now supports unsecure WebSockets - Waku v2 now supports larger message sizes of up to 1 Mb by default - Further experimental development of [RLN for spam protection](https://rfc.vac.dev/spec/17/). These changes are disabled by default under a compiler flag. Changes include: - Per-message rate limit proof defined - RLN proof generation and verification integrated into Waku v2 - RLN tree depth changed from 32 to 20 - Support added for static membership group formation #### Docs - Added [contributor guidelines](https://github.com/status-im/nim-waku/blob/master/docs/contributors/waku-fleets.md) on Waku v2 fleet monitoring and management - Added [basic tutorial](https://github.com/status-im/nim-waku/blob/master/docs/tutorial/dns-disc.md) on using Waku v2 DNS-based discovery ### Fixes - Bridge between `toy-chat` and matterbridge now shows correct announced addresses - Bridge no longer re-encodes already encoded payloads when publishing to V1 - Bridge now populates WakuMessage timestamps when publishing to V2 - Store now has a configurable maximum number of stored messages - Network simulations for Waku v1 and Waku v2 are runnable again This release supports the following [libp2p protocols](https://docs.libp2p.io/concepts/protocols/): | Protocol | Spec status | Protocol id | | ---: | :---: | :--- | | [`17/WAKU-RLN`](https://rfc.vac.dev/spec/17/) | `raw` | `/vac/waku/waku-rln-relay/2.0.0-alpha1` | | [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `stable` | `/vac/waku/relay/2.0.0` | | [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` | | [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta3` | | [`18/WAKU2-SWAP`](https://rfc.vac.dev/spec/18/) | `draft` | `/vac/waku/swap/2.0.0-beta1` | | [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `draft` | `/vac/waku/lightpush/2.0.0-beta1` | The Waku v1 implementation is stable but not under active development. ## 2021-07-26 v0.5.1 This patch release contains the following fix: - Support for multiple protocol IDs when reconnecting to previously connected peers: A bug in `v0.5` caused clients using persistent peer storage to only support the mounted protocol ID. This is a patch release that is fully backwards-compatible with release `v0.5`. It supports the same [libp2p protocols](https://docs.libp2p.io/concepts/protocols/): | Protocol | Spec status | Protocol id | | ---: | :---: | :--- | | [`17/WAKU-RLN`](https://rfc.vac.dev/spec/17/) | `raw` | `/vac/waku/waku-rln-relay/2.0.0-alpha1` | | [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `stable` | `/vac/waku/relay/2.0.0` | | [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` | | [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta3` | | [`18/WAKU2-SWAP`](https://rfc.vac.dev/spec/18/) | `draft` | `/vac/waku/swap/2.0.0-beta1` | | [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `draft` | `/vac/waku/lightpush/2.0.0-beta1` | The Waku v1 implementation is stable but not under active development. ## 2021-07-23 v0.5 This release contains the following: ### Features - Support for keep-alives using [libp2p ping protocol](https://docs.libp2p.io/concepts/protocols/#ping). - DB migration for the message and peer stores. - Support for multiple protocol IDs. Mounted protocols now match versions of the same protocol that adds a postfix to the stable protocol ID. ### Changes - Bridge topics are now configurable. - The `resume` Nim API now eliminates duplicates messages before storing them. - The `resume` Nim API now fetches historical messages in page sequence. - Added support for stable version of `relay` protocol, with protocol ID `/vac/waku/relay/2.0.0`. - Added optional `timestamp` to `WakuRelayMessage`. - Removed `PCRE` as a prerequisite for building Waku v1 and Waku v2. - Improved [`swap`](https://rfc.vac.dev/spec/18/) metrics. #### General refactoring - Refactored modules according to [Nim best practices](https://hackmd.io/1imOGULZRsed2HpgmzGleA). - Simplified the [way protocols get notified](https://github.com/status-im/nim-waku/issues/574) of new messages. - Refactored `wakunode2` setup into 6 distinct phases with improved logging and error handling. - Moved `Whisper` types and protocol from the `nim-eth` module to `nim-waku`. #### Docs - Added [database migration tutorial](https://github.com/status-im/nim-waku/blob/master/docs/tutorial/db-migration.md). - Added [tutorial to setup `websockify`](https://github.com/status-im/nim-waku/blob/master/docs/tutorial/websocket.md). #### Schema - Updated the `Message` table of the persistent message store: - Added `senderTimestamp` column. - Renamed the `timestamp` column to `receiverTimestamp` and changes its type to `REAL`. #### API - Added optional `timestamp` to [`WakuRelayMessage`](https://rfc.vac.dev/spec/16/#wakurelaymessage) on JSON-RPC API. ### Fixes - Conversion between topics for the Waku v1 <-> v2 bridge now follows the [RFC recommendation](https://rfc.vac.dev/spec/23/). - Fixed field order of `HistoryResponse` protobuf message: the field numbers of the `HistoryResponse` are shifted up by one to match up the [13/WAKU2-STORE](https://rfc.vac.dev/spec/13/) specs. This release supports the following [libp2p protocols](https://docs.libp2p.io/concepts/protocols/): | Protocol | Spec status | Protocol id | | ---: | :---: | :--- | | [`17/WAKU-RLN`](https://rfc.vac.dev/spec/17/) | `raw` | `/vac/waku/waku-rln-relay/2.0.0-alpha1` | | [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `stable` | `/vac/waku/relay/2.0.0` | | [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` | | [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta3` | | [`18/WAKU2-SWAP`](https://rfc.vac.dev/spec/18/) | `draft` | `/vac/waku/swap/2.0.0-beta1` | | [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `draft` | `/vac/waku/lightpush/2.0.0-beta1` | The Waku v1 implementation is stable but not under active development. ## 2021-06-03 v0.4 This release contains the following: ### Features - Initial [`toy-chat` implementation](https://rfc.vac.dev/spec/22/) ### Changes - The [toy-chat application](https://github.com/status-im/nim-waku/blob/master/docs/tutorial/chat2.md) can now perform `lightpush` and request content-filtered messages from remote peers. - The [toy-chat application](https://github.com/status-im/nim-waku/blob/master/docs/tutorial/chat2.md) now uses default content topic `/toy-chat/2/huilong/proto` - Improve `toy-chat` [briding to matterbridge]((https://github.com/status-im/nim-waku/blob/master/docs/tutorial/chat2.md#bridge-messages-between-chat2-and-matterbridge)) - Improve [`swap`](https://rfc.vac.dev/spec/18/) logging and enable soft mode by default - Content topics are no longer in a redundant nested structure - Improve error handling #### API - [JSON-RPC Store API](https://rfc.vac.dev/spec/16): Added an optional time-based query to filter historical messages. - [Nim API](https://github.com/status-im/nim-waku/blob/master/docs/api/v2/node.md): Added `resume` method. ### Fixes - Connections between nodes no longer become unstable due to keep-alive errors if mesh grows large - Re-enable `lightpush` tests and fix Windows CI failure The [Waku v2 suite of protocols](https://rfc.vac.dev/) are still in a raw/draft state. This release supports the following [libp2p protocols](https://docs.libp2p.io/concepts/protocols/): | Protocol | Spec status | Protocol id | | ---: | :---: | :--- | | [`17/WAKU-RLN`](https://rfc.vac.dev/spec/17/) | `raw` | `/vac/waku/waku-rln-relay/2.0.0-alpha1` | | [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `draft` | `/vac/waku/relay/2.0.0-beta2` | | [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` | | [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta3` | | [`18/WAKU2-SWAP`](https://rfc.vac.dev/spec/18/) | `draft` | `/vac/waku/swap/2.0.0-beta1` | | [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `draft` | `/vac/waku/lightpush/2.0.0-beta1` | The Waku v1 implementation is stable but not under active development. ## 2021-05-11 v0.3 This release contains the following: ### Features - Start of [`RLN relay` implementation](https://rfc.vac.dev/spec/17/) - Start of [`swap` implementation](https://rfc.vac.dev/spec/18/) - Start of [fault-tolerant `store` implementation](https://rfc.vac.dev/spec/21/) - Initial [`bridge` implementation](https://rfc.vac.dev/spec/15/) between Waku v1 and v2 protocols - Initial [`lightpush` implementation](https://rfc.vac.dev/spec/19/) - A peer manager for `relay`, `filter`, `store` and `swap` peers - Persistent storage for peers: A node with this feature enabled will now attempt to reconnect to `relay` peers after a restart. It will respect the gossipsub [PRUNE backoff](https://github.com/libp2p/specs/blob/master/pubsub/gossipsub/gossipsub-v1.1.md#prune-backoff-and-peer-exchange) period before attempting to do so. - `--persist-peers` CLI option to persist peers in local storage - `--persist-messages` CLI option to store historical messages locally - `--keep-alive` CLI option to maintain a stable connection to `relay` peers on idle topics - A CLI chat application ([`chat2`](https://github.com/status-im/nim-waku/blob/master/docs/tutorial/chat2.md)) over Waku v2 with [bridging to matterbridge](https://github.com/status-im/nim-waku/blob/master/docs/tutorial/chat2.md#bridge-messages-between-chat2-and-matterbridge) ### Changes - Enable `swap` protocol by default and improve logging #### General refactoring - Split out `waku_types` types into the right place; create `utils` folder. - Change type of `contentTopic` in [`ContentFilter`](https://rfc.vac.dev/spec/12/#protobuf) to `string`. - Replace sequence of `contentTopics` in [`ContentFilter`](https://rfc.vac.dev/spec/12/#protobuf) with a single `contentTopic`. - Add `timestamp` field to [`WakuMessage`](https://rfc.vac.dev/spec/14/#payloads). - Ensure CLI config parameters use a consistent naming scheme. Summary of changes [here](https://github.com/status-im/nim-waku/pull/543). #### Docs Several clarifications and additions aimed at contributors, including - information on [how to query Status test fleet](https://github.com/status-im/nim-waku/blob/master/docs/faq.md) for node addresses, - [how to view logs](https://github.com/status-im/nim-waku/blob/master/docs/contributors/cluster-logs.md), and - [how to update submodules](https://github.com/status-im/nim-waku/blob/master/docs/contributors/git-submodules.md). #### Schema - Add `Message` table to the persistent message store. This table replaces the old `messages` table. It has two additional columns, namely - `pubsubTopic`, and - `version`. - Add `Peer` table for persistent peer storage. #### API - [JSON-RPC Admin API](https://rfc.vac.dev/spec/16): Added a [`post` method](https://rfc.vac.dev/spec/16/#post_waku_v2_admin_v1_peers) to connect to peers on an ad-hoc basis. - [Nim API](https://github.com/status-im/nim-waku/blob/master/docs/api/v2/node.md): PubSub topic `subscribe` and `unsubscribe` no longer returns a future (removed `async` designation). - [`HistoryQuery`](https://rfc.vac.dev/spec/13/#historyquery): Added `pubsubTopic` field. Message history can now be filtered and queried based on the `pubsubTopic`. - [`HistoryQuery`](https://rfc.vac.dev/spec/13/#historyquery): Added support for querying a time window by specifying start and end times. ### Fixes - Running nodes can now be shut down gracefully - Content filtering now works on any PubSub topic and not just the `waku` default. - Nodes can now mount protocols without supporting `relay` as a capability The [Waku v2 suite of protocols](https://rfc.vac.dev/) are still in a raw/draft state. This release supports the following [libp2p protocols](https://docs.libp2p.io/concepts/protocols/): | Protocol | Spec status | Protocol id | | ---: | :---: | :--- | | [`17/WAKU-RLN`](https://rfc.vac.dev/spec/17/) | `raw` | `/vac/waku/waku-rln-relay/2.0.0-alpha1` | | [`18/WAKU2-SWAP`](https://rfc.vac.dev/spec/18/) | `raw` | `/vac/waku/swap/2.0.0-alpha1` | | [`19/WAKU2-LIGHTPUSH`](https://rfc.vac.dev/spec/19/) | `raw` | `/vac/waku/lightpush/2.0.0-alpha1` | | [`11/WAKU2-RELAY`](https://rfc.vac.dev/spec/11/) | `draft` | `/vac/waku/relay/2.0.0-beta2` | | [`12/WAKU2-FILTER`](https://rfc.vac.dev/spec/12/) | `draft` | `/vac/waku/filter/2.0.0-beta1` | | [`13/WAKU2-STORE`](https://rfc.vac.dev/spec/13/) | `draft` | `/vac/waku/store/2.0.0-beta3` | The Waku v1 implementation is stable but not under active development. ## 2021-01-05 v0.2 This release contains the following changes: - Calls to `publish` a message on `wakunode2` now `await` instead of `discard` dispatched [`WakuRelay`](https://github.com/vacp2p/specs/blob/master/specs/waku/v2/waku-relay.md) procedures. - [`StrictNoSign`](https://github.com/libp2p/specs/tree/master/pubsub#message-signing) enabled. - Add JSON-RPC API for external access to `wakunode2` functionality: - Admin API retrieves information about peers registered on the `wakunode2`. - Debug API exposes debug information about a `wakunode2`. - Filter API saves bandwidth by allowing light nodes to filter for specific content. - Private API enables symmetric or asymmetric cryptography to encrypt/decrypt message payloads. - Relay API allows basic pub/sub functionality. - Store API retrieves historical messages. - Add tutorial on how to use JSON-RPC API. - Refactor: Move `waku_filter` protocol into its own module. The Waku v2 implementation, and [most protocols it consist of](https://specs.vac.dev/specs/waku/), are still in a draft/beta state. The Waku v1 implementation is stable but not under active development. ## 2020-11-30 v0.1 Initial beta release. This release contains: - A Nim implementation of the [Waku v1 protocol](https://specs.vac.dev/waku/waku.html). - A Nim implementation of the [Waku v2 protocol](https://specs.vac.dev/specs/waku/v2/waku-v2.html). - CLI applications `wakunode` and `wakunode2` that allows you to run a Waku v1 or v2 node. - Examples of Waku v1 and v2 usage. - Various tests of above. Currenty the Waku v2 implementation, and [most protocols it consist of](https://specs.vac.dev/specs/waku/), are in a draft/beta state. The Waku v1 implementation is stable but not under active development. Feedback welcome!