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cocoyoon opened this issue Dec 21, 2023 · 0 comments · May be fixed by #55
Open

Penalty-on-offline #41

cocoyoon opened this issue Dec 21, 2023 · 0 comments · May be fixed by #55
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@energyGiver
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core infrablockchain-related feature new features

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@cocoyoon
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cocoyoon commented Dec 21, 2023 •
edited by energyGiver
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Description

  • 세션 기간동안 한번도 블록 생성을 하지 않는 밸리데이터(SeedTrust + PoT) 패널티 부과

Problem

  • 투표 threshold를 만족하지 못하는 만큼의 Validator가 Offline 될 경우, 블록이 finalize 안되는 현상 발생
  • 이로 인해, 세션 기간동안 offline 상태(블록을 한번도 생성하지 않거나 heartbeat 실패)인 노드는 강도 높은 패널티 부과
  • 관련 pallet: `session, validator-election, im-online' 참고

Solution

  • KickedOutValidators 리스트 추가
    • Session 종료 시 KickedOutValidators 리스트 제거 및 Validator set 추가
  • im-online 미충족 validator는 KickedOutValidators 리스트 추가하고 Active Validator set에서 제거
  • 소명하는 extrinsic 추가: fn substantiate_to_validators(...))
    • Session 종료 시 KickedOutValidators 리스트 제거 및 Validator set 추가
@cocoyoon cocoyoon added core infrablockchain-related feature new features and removed enhancement labels Jan 5, 2024
@cocoyoon cocoyoon moved this to In Progress in bclabs-core-team Jan 5, 2024
@energyGiver energyGiver linked a pull request Mar 11, 2024 that will close this issue
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core infrablockchain-related feature new features
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Feature/41 kickout offline validators InfraBlockchain/infrablockchain-substrate
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@cocoyoon @energyGiver