feat: new leader schedule by vote delegation #4597
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This PR contains changes to the solana sdk, which will be moved to a new repo within the next week, when v2.2 is branched from master. Please merge or close this PR as soon as possible, or re-create the sdk changes when the new repository is ready at https://github.com/anza-xyz/solana-sdk |
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Problem
SIMD-0180 proposes a new change to the leader schedule algorithm to use vote account delegations rather than total node delegations.
Summary of Changes
Switch over to the new leader schedule algorithm using a feature gate. The new leader schedule algorithm will be applied for the epoch immediately following the epoch in which the feature gate was activated in.
A new constructor (
fn new_keyed_by_vote_account) was added to the existingLeaderSchedulestruct which has a vote delegation map as a parameter rather than a list of node ids and their accumulated stakes.Fixes #
Feature Gate Issue: #4573