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kad/store: Set memory-store on an incoming record for PutRecordTo #88

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merged 3 commits into from
Apr 24, 2024

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lexnv
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@lexnv lexnv commented Apr 24, 2024

Small PR to always update the local store on PutRecordToPeers.

This is introduced to facilitate the use-case from:

Where the update_local_store flag is used to optimize kad MemoryStore updates. However, for us this represents a hashmap insert.

While at it, have also filtered out peers that are equal to our local peer ID.

cc @dmitry-markin

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
@lexnv lexnv self-assigned this Apr 24, 2024
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It looks like this is different to what libp2p does. May be keep the operations consistent between libraries until we keep only one of them and handle this in the client code?

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The idea behind put_record_to is to update the peers with outdated records, even in cases where per kademlia metric we should not store the record locally. To keep this possible, we can update the PR introducing a flag for optional local store update used instead of direct store accesses like in libp2p.

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
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LGTM!

@lexnv lexnv merged commit 67b2764 into master Apr 24, 2024
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@lexnv lexnv deleted the lexnv/store-update branch April 24, 2024 15:47
@lexnv lexnv mentioned this pull request May 24, 2024
lexnv added a commit that referenced this pull request May 24, 2024
## [0.5.0] - 2023-05-24

This is a small patch release that makes the `FindNode` command a bit
more robst:

- The `FindNode` command now retains the K (replication factor) best
results.
- The `FindNode` command has been updated to handle errors and
unexpected states without panicking.

### Changed

- kad: Refactor FindNode query, keep K best results and add tests
([#114](#114))

## [0.4.0] - 2023-05-23

This release introduces breaking changes to the litep2p crate, primarily
affecting the `kad` module. Key updates include:

- The `GetRecord` command now exposes all peer records, not just the
latest one.
- A new `RecordType` has been introduced to clearly distinguish between
locally stored records and those discovered from the network.

Significant refactoring has been done to enhance the efficiency and
accuracy of the `kad` module. The updates are as follows:

- The `GetRecord` command now exposes all peer records.
- The `GetRecord` command has been updated to handle errors and
unexpected states without panicking.

Additionally, we've improved code coverage in the `kad` module by adding
more tests.

### Added

- Add release checklist
([#115](#115))
- Re-export `multihash` & `multiaddr` types
([#79](#79))
- kad: Expose all peer records of `GET_VALUE` query
([#96](#96))

### Changed

- multistream_select: Remove unneeded changelog.md
([#116](#116))
- kad: Refactor `GetRecord` query and add tests
([#97](#97))
- kad/store: Set memory-store on an incoming record for PutRecordTo
([#88](#88))
- multistream: Dialer deny multiple /multistream/1.0.0 headers
([#61](#61))
- kad: Limit MemoryStore entries
([#78](#78))
- Refactor WebRTC code
([#51](#51))
- Revert "Bring `rustfmt.toml` in sync with polkadot-sdk (#71)"
([#74](#74))
- cargo: Update str0m from 0.4.1 to 0.5.1
([#95](#95))

### Fixed

- Fix clippy  ([#83](#83))
- crypto: Don't panic on unsupported key types
([#84](#84))

---------

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
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2 participants