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Plutus cost model: validate sizes in genesis files #724

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Plutus cost model: validate sizes in genesis files #724

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6632c4c
Plutus cost model size: add tests of validation
smelc Jan 14, 2025
1b71664
ProtocolParameters.hs: add function to validate cost model size
smelc Jan 15, 2025
cd62068
ProtocolParameters.hs: propagate new error behavior
smelc Jan 15, 2025
2a1154b
Adapt callers outside ProtocolParameters
smelc Jan 15, 2025
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18 changes: 13 additions & 5 deletions cardano-api/internal/Cardano/Api/Governance/Poll.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,6 @@
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE ViewPatterns #-}

-- | An API for driving on-chain poll for SPOs.
--
Expand Down Expand Up @@ -37,8 +36,10 @@ module Cardano.Api.Governance.Poll
)
where

import Cardano.Api.Pretty
import Cardano.Api.Error
import Cardano.Api.ProtocolParameters
import Cardano.Api.Eon.ShelleyBasedEra
import Cardano.Api.Eras
import Cardano.Api.Hash
import Cardano.Api.HasTypeProxy
import Cardano.Api.Keys.Shelley
Expand All @@ -58,6 +59,7 @@ import Cardano.Ledger.Crypto (HASH, StandardCrypto)

import Control.Arrow (left)
import Control.Monad (foldM, when)
import Data.Bifunctor (first)
import Data.Either.Combinators (maybeToRight)
import Data.Function ((&))
import qualified Data.Map.Strict as Map
Expand Down Expand Up @@ -279,6 +281,7 @@ data GovernancePollError
| ErrGovernancePollUnauthenticated
| ErrGovernancePollMalformedAnswer DecoderError
| ErrGovernancePollInvalidAnswer GovernancePollInvalidAnswerError
| ErrGovernancePollCostModelNotEnoughParameters CostModelNotEnoughParametersError
deriving Show

data GovernancePollInvalidAnswerError = GovernancePollInvalidAnswerError
Expand Down Expand Up @@ -331,6 +334,9 @@ renderGovernancePollError err =
| (ix, answer) <- invalidAnswerAcceptableAnswers invalidAnswer
]
]
ErrGovernancePollCostModelNotEnoughParameters err' ->
-- TODO can be simplified?
Text.pack $ docToString $ prettyError err'

-- | Verify a poll against a given transaction and returns the signatories
-- (verification key only) when valid.
Expand All @@ -341,12 +347,14 @@ verifyPollAnswer
:: GovernancePoll
-> InAnyShelleyBasedEra Tx
-> Either GovernancePollError [Hash PaymentKey]
verifyPollAnswer poll (InAnyShelleyBasedEra _era (getTxBody -> TxBody body)) = do
answer <- extractPollAnswer (txMetadata body)
verifyPollAnswer poll (InAnyShelleyBasedEra _era tx) = do
content <- first ErrGovernancePollCostModelNotEnoughParameters $ getTxBodyContent body
answer <- extractPollAnswer (txMetadata content)
answer `hasMatchingHash` hashGovernancePoll poll
answer `isAmongAcceptableChoices` govPollAnswers poll
extraKeyWitnesses (txExtraKeyWits body)
extraKeyWitnesses (txExtraKeyWits content)
where
body = getTxBody tx
extractPollAnswer = \case
TxMetadataNone ->
Left ErrGovernancePollNoAnswer
Expand Down
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