Move genTxIn and fix imports in Hydra.Ledger.Cardano

Author: ch1bo

hydra-node/src/Hydra/Ledger/Cardano.hs

@@ -14,17 +14,17 @@ import Hydra.Cardano.Api hiding (initialLedgerState)
 import Hydra.Ledger.Cardano.Builder
 
 import qualified Cardano.Api.UTxO as UTxO
-import Cardano.Binary (decodeAnnotator, serialize', unsafeDeserialize')
+import Cardano.Binary (decodeAnnotator, serialize')
 import qualified Cardano.Crypto.DSIGN as CC
 import qualified Cardano.Ledger.Babbage.Tx as Ledger
+import Cardano.Ledger.BaseTypes (StrictMaybe (..))
 import qualified Cardano.Ledger.BaseTypes as Ledger
 import qualified Cardano.Ledger.Credential as Ledger
 import qualified Cardano.Ledger.Shelley.API.Mempool as Ledger
 import qualified Cardano.Ledger.Shelley.Genesis as Ledger
 import qualified Cardano.Ledger.Shelley.LedgerState as Ledger
 import qualified Cardano.Ledger.Shelley.Rules.Ledger as Ledger
 import qualified Cardano.Ledger.Shelley.UTxO as Ledger
-import qualified Cardano.Ledger.TxIn as Ledger
 import qualified Codec.CBOR.Decoding as CBOR
 import qualified Codec.CBOR.Encoding as CBOR
 import Control.Arrow (left)
@@ -33,13 +33,12 @@ import qualified Data.ByteString as BS
 import Data.Default (def)
 import qualified Data.Map.Strict as Map
 import Data.Maybe (fromJust)
-import Data.Maybe.Strict (StrictMaybe (..))
 import Data.Text.Lazy.Builder (toLazyText)
 import Formatting.Buildable (build)
 import qualified Hydra.Contract.Head as Head
 import Hydra.Ledger (IsTx (..), Ledger (..), ValidationError (..))
 import Hydra.Ledger.Cardano.Json ()
-import Plutus.V2.Ledger.Api (fromBuiltin)
+import PlutusLedgerApi.V2 (fromBuiltin)
 import Test.Cardano.Ledger.Babbage.Serialisation.Generators ()
 import Test.QuickCheck (
   choose,
@@ -127,7 +126,7 @@ instance Arbitrary Tx where
   -- TODO: shrinker!
   arbitrary = fromLedgerTx . withoutProtocolUpdates <$> arbitrary
    where
-    withoutProtocolUpdates tx@(Ledger.ValidatedTx body _ _ _) =
+    withoutProtocolUpdates tx@(Ledger.AlonzoTx body _ _ _) =
       let body' = body{Ledger.txUpdates = SNothing}
        in tx{Ledger.body = body'}
 
@@ -152,14 +151,14 @@ mkSimpleTx (txin, TxOut owner valueIn datum refScript) (recipient, valueOut) sk
       }
 
   outs =
-    TxOut @CtxTx recipient valueOut TxOutDatumNone ReferenceScriptNone :
-      [ TxOut @CtxTx
-        owner
-        (valueIn <> negateValue valueOut)
-        (toTxContext datum)
-        refScript
-      | valueOut /= valueIn
-      ]
+    TxOut @CtxTx recipient valueOut TxOutDatumNone ReferenceScriptNone
+      : [ TxOut @CtxTx
+          owner
+          (valueIn <> negateValue valueOut)
+          (toTxContext datum)
+          refScript
+        | valueOut /= valueIn
+        ]
 
   fee = Lovelace 0
 
@@ -218,14 +217,6 @@ generateOneTransfer networkId (utxo, (_, sender), txs) _ = do
     _ ->
       error "Couldn't generate transaction sequence: need exactly one UTXO."
 
--- | A more random generator than the 'Arbitrary TxIn' from cardano-ledger.
-genTxIn :: Gen TxIn
-genTxIn =
-  fmap fromLedgerTxIn . Ledger.TxIn
-    -- NOTE: [88, 32] is a CBOR prefix for a bytestring of 32 bytes.
-    <$> fmap (unsafeDeserialize' . BS.pack . ([88, 32] <>)) (vectorOf 32 arbitrary)
-    <*> fmap Ledger.TxIx (choose (0, 99))
-
 -- TODO: Enable arbitrary datum in generators
 -- TODO: This should better be called 'genOutputFor'
 genOutput ::
@@ -387,9 +378,6 @@ shrinkValue =
 instance Arbitrary AssetName where
   arbitrary = AssetName . BS.take 32 <$> arbitrary
 
-instance Arbitrary TxIn where
-  arbitrary = genTxIn
-
 instance Arbitrary TxId where
   arbitrary = onlyTxId <$> arbitrary
    where