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Plutus cost model size: add tests of validation
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‎cardano-api/src/Cardano/Api.hs‎

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@@ -622,6 +622,7 @@ module Cardano.Api
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, ExecutionUnits (..)
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, ExecutionUnitPrices (..)
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, CostModel (..)
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, CostModels (..)
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, toAlonzoCostModel
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, fromAlonzoCostModel
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, toAlonzoCostModels

‎cardano-api/test/cardano-api-test/Test/Cardano/Api/Genesis.hs‎

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@@ -8,6 +8,7 @@ module Test.Cardano.Api.Genesis
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)
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where
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import qualified Cardano.Api as Api (CostModels (..))
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import Cardano.Api.Eon.ShelleyBasedEra
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import Cardano.Api.Eras
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import Cardano.Api.Genesis
@@ -23,6 +24,7 @@ import qualified PlutusLedgerApi.V2 as V2
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import qualified Codec.CBOR.Decoding as CBOR
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import qualified Codec.CBOR.Encoding as CBOR
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import qualified Codec.CBOR.Write as CBOR
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import qualified Data.Aeson as Aeson
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import qualified Data.ByteString.Lazy as LBS
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import Data.Either
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import Data.Int (Int64)
@@ -177,8 +179,61 @@ encodeCborInEraCostModels aeo = CBOR.toLazyByteString . toEraCbor'
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toEraCbor' :: L.CostModels -> CBOR.Encoding
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toEraCbor' = alonzoEraOnwardsConstraints aeo $ L.toEraCBOR @(ShelleyLedgerEra era)
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prop_plutus_costmodel_sizes :: Property
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prop_plutus_costmodel_sizes = H.propertyOnce $ do
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-- PV1 tests
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-- Exact expected number of parameters
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testWorks "./test/cardano-api-test/files/input/genesis/pv1-array-166.json" PlutusScriptV1 166
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testWorks "./test/cardano-api-test/files/input/genesis/pv1-map-166.json" PlutusScriptV1 166
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-- TODO This file loads fine, whereas it shouldn't
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-- _testFails "./test/cardano-api-test/files/input/genesis/pv1-array-165.json"
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_testFails "./test/cardano-api-test/files/input/genesis/pv1-map-165.json"
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-- PV2 tests
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-- Babbage has 175 PV2 parameters:
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testWorks "./test/cardano-api-test/files/input/genesis/pv2-array-175.json" PlutusScriptV2 175
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-- Conway has 185 PV2 parameters:
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testWorks "./test/cardano-api-test/files/input/genesis/pv2-array-185.json" PlutusScriptV2 185
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-- TODO This file loads fine, whereas it shouldn't
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-- _testFails "./test/cardano-api-test/files/input/genesis/pv2-array-174.json"
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_testFails "./test/cardano-api-test/files/input/genesis/pv2-map-174.json"
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-- PV3 tests
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testWorks "./test/cardano-api-test/files/input/genesis/pv3-array-297.json" PlutusScriptV3 297
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-- TODO This file loads fine, whereas it shouldn't
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-- _testFails "./test/cardano-api-test/files/input/genesis/pv3-array-296.json"
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testWorks "./test/cardano-api-test/files/input/genesis/pv3-map-297.json" PlutusScriptV3 297
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_testFails "./test/cardano-api-test/files/input/genesis/pv3-map-296.json"
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where
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testWorks filepath whichPlutusVersion expectedSize = do
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genesisBs <- H.lbsReadFile filepath
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let decoded :: Either String Api.CostModels = Aeson.eitherDecode genesisBs
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case decoded of
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Left err -> do
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H.annotateShow err
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H.assert False
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Right (Api.CostModels cms) -> do
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case M.lookup (AnyPlutusScriptVersion whichPlutusVersion) cms of
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Nothing -> do
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H.note_ $ show whichPlutusVersion <> " cost model not found in " <> filepath
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H.assert False
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Just (CostModel model) -> do
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length model H.=== expectedSize
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pure ()
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_testFails filepath = do
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genesisBs <- H.lbsReadFile filepath
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let decoded :: Either String Api.CostModels = Aeson.eitherDecode genesisBs
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case decoded of
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Left _err -> do
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pure ()
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Right _ -> do
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H.note_ $ "Decoding of " <> filepath <> " succeeded, whereas it was expected to fail!"
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H.assert False
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-- * List all test cases
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-- Execute me with:
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-- @cabal test cardano-api-test --test-options '-p "/Test.Cardano.Api.Genesis/"'@
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tests :: TestTree
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tests =
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testGroup
@@ -210,4 +265,7 @@ tests =
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, testProperty
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"Make sure that last 10 PlutusV2 cost model parameters are the ones we expect"
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prop_verify_plutus_v2_costmodel
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, testProperty
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"Make sure that Plutus cost model sizes are validated correctly"
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prop_plutus_costmodel_sizes
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]

‎cardano-api/test/cardano-api-test/files/input/genesis/pv1-array-165.json‎

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{
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"PlutusV1": [
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812,
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]
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}

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