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Adjust semantics of ConwayWdrlNotDelegatedToDRep #4715

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Oct 23, 2024
Merged

Adjust semantics of ConwayWdrlNotDelegatedToDRep #4715

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2b1163d
Adjust semantics of `ConwayWdrlNotDelegatedToDRep`
lehins Oct 23, 2024
946ec12
Add a test case for recent changeof ConwayWdrlNotDelegatedToDRep sema…
lehins Oct 23, 2024
2fd3a76
Fix using a wrong deposit for stake pools in the ImpSpec
lehins Oct 23, 2024
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4 changes: 4 additions & 0 deletions eras/conway/impl/CHANGELOG.md
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Expand Up @@ -8,6 +8,10 @@

* Add `whenBootstrap`

## 1.17.2.0

* Change the state used for `ConwayWdrlNotDelegatedToDRep` predicate failure checking

## 1.17.1.0

* Add `processDelegation`
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24 changes: 15 additions & 9 deletions eras/conway/impl/src/Cardano/Ledger/Conway/Rules/Ledger.hs
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Expand Up @@ -417,17 +417,15 @@ ledgerTransition = do
committee = govState ^. committeeGovStateL
proposals = govState ^. proposalsGovStateL
committeeProposals = proposalsWithPurpose grCommitteeL proposals
certStateAfterCERTS <-
trans @(EraRule "CERTS" era) $
TRC
( CertsEnv tx pp slot currentEpoch committee committeeProposals
, certState
, StrictSeq.fromStrict $ txBody ^. certsTxBodyL
)

-- Starting with version 10, we don't allow withdrawals into RewardAcounts that are KeyHashes and not delegated to Dreps
-- Starting with version 10, we don't allow withdrawals into RewardAcounts that are
-- KeyHashes and not delegated to Dreps.
--
-- We also need to make sure we are using the certState before certificates are applied,
-- because otherwise it would not be possible to unregister a reward account and withdraw
-- all funds from it in the same transaction.
unless (HF.bootstrapPhase (pp ^. ppProtocolVersionL)) $ do
let dUnified = dsUnified $ certDState certStateAfterCERTS
let dUnified = dsUnified $ certDState certState
wdrls = unWithdrawals $ tx ^. bodyTxL . withdrawalsTxBodyL
delegatedAddrs = DRepUView dUnified
wdrlsKeyHashes =
Expand All @@ -437,6 +435,14 @@ ledgerTransition = do
Set.filter (not . (`UMap.member` delegatedAddrs) . KeyHashObj) wdrlsKeyHashes
failOnNonEmpty nonExistentDelegations ConwayWdrlNotDelegatedToDRep

certStateAfterCERTS <-
trans @(EraRule "CERTS" era) $
TRC
( CertsEnv tx pp slot currentEpoch committee committeeProposals
, certState
, StrictSeq.fromStrict $ txBody ^. certsTxBodyL
)

-- Votes and proposals from signal tx
let govSignal =
GovSignal
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