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Add toLedgerValidityInterval and fromLedgerValidityInterval #892

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Add toLedgerValidityInterval and fromLedgerValidityInterval #892

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32 changes: 31 additions & 1 deletion cardano-api/src/Cardano/Api/Tx/Internal/Body.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -207,6 +207,8 @@ module Cardano.Api.Tx.Internal.Body
, fromByronTxIn
, fromLedgerTxOuts
, renderTxIn
, toLedgerValidityInterval
, fromLedgerValidityInterval

-- ** Misc helpers
, calculateExecutionUnitsLovelace
Expand Down Expand Up @@ -276,7 +278,7 @@ import Cardano.Ledger.Alonzo.Tx qualified as Alonzo (hashScriptIntegrity)
import Cardano.Ledger.Alonzo.TxWits qualified as Alonzo
import Cardano.Ledger.Api qualified as L
import Cardano.Ledger.Babbage.UTxO qualified as L
import Cardano.Ledger.BaseTypes (StrictMaybe (..))
import Cardano.Ledger.BaseTypes (StrictMaybe (..), maybeToStrictMaybe)
import Cardano.Ledger.Binary (Annotated (..))
import Cardano.Ledger.Binary qualified as CBOR
import Cardano.Ledger.Coin qualified as L
Expand Down Expand Up @@ -3129,3 +3131,31 @@ getReferenceInputsSizeForTxIds beo utxo txIds = babbageEraOnwardsConstraints beo
calculateExecutionUnitsLovelace :: Ledger.Prices -> ExecutionUnits -> Maybe L.Coin
calculateExecutionUnitsLovelace prices eUnits =
return $ Alonzo.txscriptfee prices (toAlonzoExUnits eUnits)

toLedgerValidityInterval
:: (TxValidityLowerBound era, TxValidityUpperBound era)
-> L.ValidityInterval
toLedgerValidityInterval (lowerBound, upperBound) =
L.ValidityInterval
{ L.invalidBefore =
case lowerBound of
TxValidityNoLowerBound -> SNothing
TxValidityLowerBound _ s -> SJust s
, L.invalidHereafter =
case upperBound of
TxValidityUpperBound _ s -> maybeToStrictMaybe s
}

fromLedgerValidityInterval
:: AllegraEraOnwards era
-> L.ValidityInterval
-> (TxValidityLowerBound era, TxValidityUpperBound era)
fromLedgerValidityInterval aeo validityInterval =
let L.ValidityInterval{L.invalidBefore = invalidBefore, L.invalidHereafter = invalidHereAfter} = validityInterval
lowerBound = case invalidBefore of
SNothing -> TxValidityNoLowerBound
SJust s -> TxValidityLowerBound aeo s
upperBound = case invalidHereAfter of
SNothing -> TxValidityUpperBound (convert aeo) Nothing
SJust s -> TxValidityUpperBound (convert aeo) (Just s)
in (lowerBound, upperBound)
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