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Randomized ProtocolTimeLimits #4980

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@coot coot commented Oct 3, 2024

Description

Provide access to a pseudo random number generator for consructing
ProtocolTimeLimits. This is used for ChainSync timeout in the StNext StMustReply state.

  • chain-sync: randomised ProtocolTimeLimits
  • ouroboros-network-protocols: improved haddocks
  • ouroboros-network-protocols: improved haddocks of node-to-node protocols
  • ouroboros-network-protocols: type signatures
  • Updated CHANGELOG.md files

Depends on:

Checklist

Quality

  • Commit sequence makes sense and have useful messages, see ref.
  • New tests are added and existing tests are updated.
  • Self-reviewed the PR.

Maintenance

  • Linked an issue or added the PR to the current sprint of ouroboros-network project.
  • Added labels.
  • Updated changelog files.
  • The documentation has been properly updated, see ref.

@coot coot requested a review from a team as a code owner October 3, 2024 10:05
@coot coot linked an issue Oct 3, 2024 that may be closed by this pull request
@coot coot self-assigned this Oct 3, 2024
@coot coot force-pushed the coot/random-chain-sync-time-limits branch 5 times, most recently from 42e3a65 to caa9259 Compare October 10, 2024 07:46
@coot coot force-pushed the coot/random-chain-sync-time-limits branch from caa9259 to e5df1e6 Compare October 11, 2024 16:04
This patch adds a way to randomise `ProtocolTimeLimits` per message,
rather than per connection.   This is used in `ChainSync` to pick
a random timeout in the `MustReply` state.
* Provide kinds for some of the type variables.  This improves haddocks.
* Added export list for `PeerSharing.Codec`
* Not exporting `encodeTxSubmission2` and `decodeTxSubmission2`, they
  are not used outside of this module, and they are not used in
  `ouroboros-consensus`.
@coot coot force-pushed the coot/random-chain-sync-time-limits branch from e5df1e6 to 2dd2a19 Compare October 14, 2024 09:10
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Selection preassure for peers with long chainsync timeout.
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