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Ledger Team Update

· 2 min read
Alexey Kuleshevich

High level summary​

Broadly speaking the Ledger team focused on a few main areas of Conway era:

  • Creation of voting state snapshots in order to correctly delay ratification for one epoch
  • Validation of the Governance Actions sequencing and ordering
  • Proper expiry of DReps and Proposal Procedures
  • Expanding Conway Genesis functionality
  • Utilization of some of the new Protocol Parameters in ledger validation rules

Low level summary​

Conway era​

  • pull-3659 - Validate Network for ProposalProcedure and TreasuryWithdrawal
  • pull-3637 - Avoid using sequence of tuples, by adding GovActionId to GovActionState
  • pull-3651 - Inactive DReps
  • pull-3664 - Track proposal expiry
  • pull-3668 - Add min committee size predicate to NewCommittee
  • pull-3669 - Add Proposal deposit check against PParam
  • pull-3676 - Fix inactive PoolStake not counting as Drep Stake
  • pull-3635 - Make snapshots of GovActionsState
  • pull-3670 - Validate previously enacted govAction
  • pull-3694 - Improve error reporting on the positive coin decoder
  • pull-3674 - Added RATIFY thresholds
  • pull-3684 - Add proposal delaying, remove predicate failure from ENACT
  • pull-3688 - DRep Refunds and update evalTransactionBalance

Improvements and releasing​

  • pull-3677 - Minor patch that fixes the DRep distribution computation
  • pull-3686 - Post patch release fixup
  • pull-3695 - Changelog for cardano-node-8.3 release
  • pull-3683 - Add two new bench mark programs

Testing​