leader election algorithm (port of #3270)#3305
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The new algorithm is choosing leader of (height,round), based on hash(height,round) and weights of validators (public lottery). The new algorithm is enabled via config flag: Consensus.StatelessLeaderElection (false by default). It will be the only option in 6.5. Additional changes: * updated crypto package to include zeroize fix (otherwise it panics under a new compiler) * made consensus tests run against both stateful and stateless leader election. The caveat is that many of the consensus tests are very poor quality and they hardcode the expected leader schedule. To minimize the amount of work, these tests have been adjusted in one of the following ways: a) the test harness looks for a starting round which produces the leader schedule that the test expects; b) the test harness adjusts the weights so that the leader schedule matches what the test expects. * I have manually run the tests outside of the consensus module with StatelessLeaderElection = true, however these are not included in CI.
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Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #3305 +/- ##
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- Coverage 59.16% 58.44% -0.73%
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Files 2093 2085 -8
Lines 171972 209324 +37352
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+ Hits 101755 122332 +20577
- Misses 61401 78194 +16793
+ Partials 8816 8798 -18
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pompon0
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wen-coding
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Apr 23, 2026
sei-will
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Apr 27, 2026
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