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Fixing the Mint field translation. #3398

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Apr 29, 2023
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Fixing the Mint field translation. #3398

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1 change: 1 addition & 0 deletions eras/alonzo/impl/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
* `VState`
* Added support for Plutus V3 in the types and functions that use `Language`.
(Note that the Alonzo ledger era rules do not allow V3 scripts, however.).
* Fix a bug of converting a mint field to the plutus context: [#3398](https://github.com/input-output-hk/cardano-ledger/pull/3398)

## 1.1.0.0

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7 changes: 5 additions & 2 deletions eras/alonzo/impl/src/Cardano/Ledger/Alonzo/TxInfo.hs
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Expand Up @@ -363,7 +363,10 @@ transAssetName :: AssetName -> PV1.TokenName
transAssetName (AssetName bs) = PV1.TokenName (PV1.toBuiltin (SBS.fromShort bs))

transMultiAsset :: MultiAsset c -> PV1.Value
transMultiAsset (MultiAsset m) = Map.foldlWithKey' accum1 mempty m
transMultiAsset ma = transMultiAssetInternal ma mempty

transMultiAssetInternal :: MultiAsset c -> PV1.Value -> PV1.Value
transMultiAssetInternal (MultiAsset m) initAcc = Map.foldlWithKey' accum1 initAcc m
where
accum1 ans sym mp2 = Map.foldlWithKey' accum2 ans mp2
where
Expand All @@ -380,7 +383,7 @@ transMultiAsset (MultiAsset m) = Map.foldlWithKey' accum1 mempty m
-- makes no sense). However, if we don't preserve previous translation, scripts that
-- previously succeeded will fail.
transMintValue :: MultiAsset c -> PV1.Value
transMintValue m = transMultiAsset m <> justZeroAda
transMintValue m = transMultiAssetInternal m justZeroAda
where
justZeroAda = PV1.singleton PV1.adaSymbol PV1.adaToken 0

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