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93 changes: 93 additions & 0 deletions
93
...ano-testnet/test/cardano-testnet-test/Cardano/Testnet/Test/LedgerEvents/TreasuryGrowth.hs
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| Original file line number | Diff line number | Diff line change |
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| {-# LANGUAGE LambdaCase #-} | ||
| {-# LANGUAGE NamedFieldPuns #-} | ||
| {-# LANGUAGE OverloadedStrings #-} | ||
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| module Cardano.Testnet.Test.LedgerEvents.TreasuryGrowth where | ||
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| import Cardano.Api hiding (cardanoEra) | ||
| import qualified Cardano.Api as Api | ||
| import Cardano.Api.Ledger (Coin (..)) | ||
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| import qualified Cardano.Ledger.Shelley.LedgerState as L | ||
| import Cardano.Testnet as TN | ||
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| import Prelude | ||
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| import Control.Monad.Trans.State.Strict | ||
| import Data.List (sortOn) | ||
| import Data.Map.Strict (Map) | ||
| import qualified Data.Map.Strict as M | ||
| import Lens.Micro ((^.)) | ||
| import qualified System.Directory as IO | ||
| import System.FilePath ((</>)) | ||
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| import qualified Testnet.Property.Utils as H | ||
| import Testnet.Runtime | ||
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| import qualified Hedgehog as H | ||
| import qualified Hedgehog.Extras.Stock.IO.Network.Sprocket as H | ||
| import qualified Hedgehog.Extras.Test as H | ||
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| prop_check_if_treasury_is_growing :: H.Property | ||
| prop_check_if_treasury_is_growing = H.integrationRetryWorkspace 0 "growing-treasury" $ \tempAbsBasePath' -> do | ||
| -- Start testnet | ||
| conf@Conf{tempAbsPath=TmpAbsolutePath tempAbsPath'} <- TN.mkConf tempAbsBasePath' | ||
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| let era = BabbageEra | ||
| options = cardanoDefaultTestnetOptions | ||
| { cardanoEpochLength = 100 | ||
| , cardanoNodeEra = AnyCardanoEra era -- TODO: We should only support the latest era and the upcoming era | ||
| , cardanoActiveSlotsCoeff = 0.3 | ||
| } | ||
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| runtime@TestnetRuntime{configurationFile} <- cardanoTestnetDefault options conf | ||
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| -- uncomment for epoch state live access | ||
| -- startLedgerNewEpochStateLogging runtime tempAbsBasePath' | ||
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| -- Get socketPath | ||
| socketPathAbs <- do | ||
| socketPath' <- H.noteShowM $ H.sprocketArgumentName <$> H.headM (poolSprockets runtime) | ||
| H.noteIO (IO.canonicalizePath $ tempAbsPath' </> socketPath') | ||
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| (_condition, treasuryValues) <- H.leftFailM . runExceptT $ | ||
| Api.foldEpochState (File configurationFile) (Api.File socketPathAbs) Api.QuickValidation 10 M.empty handler | ||
| H.note_ $ "treasury for last 5 epochs: " <> show treasuryValues | ||
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| let treasuriesSortedByEpoch = | ||
| map snd | ||
| . sortOn fst | ||
| . M.assocs | ||
| $ treasuryValues | ||
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| if checkNonDecreasing treasuriesSortedByEpoch && checkHasIncreased treasuriesSortedByEpoch | ||
| then H.success | ||
| else do | ||
| H.note_ "treasury is not growing" | ||
| H.failure | ||
| where | ||
| handler :: AnyNewEpochState -> StateT (Map EpochNo Integer) IO LedgerStateCondition | ||
| handler (AnyNewEpochState _ newEpochState) = do | ||
| let (Coin coin) = newEpochState ^. L.nesEsL . L.esAccountStateL . L.asTreasuryL | ||
| epochNo = newEpochState ^. L.nesELL | ||
| -- handler is executed multiple times per epoch, so we keep only the latest treasury value | ||
| modify $ M.insert epochNo coin | ||
| if epochNo >= EpochNo 5 | ||
| then pure ConditionMet | ||
| else pure ConditionNotMet | ||
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| -- | Check if the last element > first element | ||
| checkHasIncreased :: (Ord a) => [a] -> Bool | ||
| checkHasIncreased = \case | ||
| [] -> False | ||
| x1:xs -> case reverse xs of | ||
| [] -> False | ||
| xn:_ -> xn > x1 | ||
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| checkNonDecreasing :: (Ord a) => [a] -> Bool | ||
| checkNonDecreasing = \case | ||
| [] -> False | ||
| [_] -> True | ||
| (x:y:xs) -> x <= y && checkNonDecreasing (y:xs) | ||
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