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Zebra 1.0.0-beta.0

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@oxarbitrage oxarbitrage released this 29 Oct 21:12
· 2440 commits to main since this release
v1.0.0-beta.0
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Learn about vigilant mode.

This is the first beta release of Zebra. Today the mempool work is fully finished and compatible with ZIP-401 and several security issues in the network stack are fixed. In addition to that we improved our documentation specially in the zebrad crate while we increased our test coverage. Finally, we get started with the task of upgrading Tokio to version 1.

Added

Mempool

  • ZIP-401: weighted random mempool eviction (#2889, #2932)
  • Reject a mempool transaction if it has internal spend conflicts (#2843)
  • Limit transaction size in the mempool (#2917)

Cleanup and performance

  • Remove unused mempool errors (#2941)
  • Simplify calling add_initial_peers (#2945)
  • Disable the new clippy::question_mark lint (#2946)
  • Downgrade startup logs to debug to speed up CI (#2938)
  • Speed up alternative state and zebrad tests in CI (#2929)

Tests

  • Restore and update mempool tests (#2966)
  • Test multiple chain resets (#2897)

Security

  • Track the number of active inbound and outbound peer connections so we can implement limits (#2912)
  • Limit the number of initial peers (#2913)
  • Rate-limit initial seed peer connections (#2943)
  • Limit the number of inbound peer connections (#2961)
  • Rate limit inbound connections (#2928)
  • Limit the number of outbound peer connections (#2944)
  • Reduce outgoing peers demand (#2969)

Documentation

  • Improve main README documentation and other book sections (#2967, #2894)
  • Expand documentation for the mempool::crawler module (#2968)
  • Improve mempool documentation (#2942, #2963, #2964, #2965)
  • Improve documentation and types in the PeerSet (#2925)
  • Update the documentation for value pools (#2919)
  • Document why CheckForVerifiedTransactions is required for correctness (#2955)

Metrics

  • Add user agent metrics (#2957)

Changed

Part of the Tokio version 1 upgrade:

  • Manually pin Sleep futures (#2914)
  • Refactor handshake rate limiting to not store a Sleep type (#2915)
  • Use single thread Tokio runtime for tests (#2916)
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