Merge pull request #127 from Liqwid-Labs/connor/pletFieldsC

Replace all `tcont $ pletFields` with `pletFieldsC`

agora/Agora/AuthorityToken.hs

@@ -33,7 +33,7 @@ import "liqwid-plutarch-extra" Plutarch.Api.V1.Value (psymbolValueOf)
 import "plutarch" Plutarch.Api.V1.Value (PValue (PValue))
 import Plutarch.Builtin (pforgetData)
 import Plutarch.Extra.List (plookup)
-import Plutarch.Extra.TermCont (pguardC, pmatchC)
+import Plutarch.Extra.TermCont (pguardC, pletFieldsC, pmatchC)
 import PlutusLedgerApi.V1.Value (AssetClass (AssetClass))
 
 --------------------------------------------------------------------------------
@@ -73,7 +73,7 @@ authorityTokensValidIn :: Term s (PCurrencySymbol :--> PTxOut :--> PBool)
 authorityTokensValidIn = phoistAcyclic $
   plam $ \authorityTokenSym txOut'' -> unTermCont $ do
     PTxOut txOut' <- pmatchC txOut''
-    txOut <- tcont $ pletFields @'["address", "value"] $ txOut'
+    txOut <- pletFieldsC @'["address", "value"] $ txOut'
     PAddress address <- pmatchC txOut.address
     PValue value' <- pmatchC txOut.value
     PMap value <- pmatchC value'
@@ -112,7 +112,7 @@ singleAuthorityTokenBurned gatCs txInfo mint = unTermCont $ do
   let gatAmountMinted :: Term _ PInteger
       gatAmountMinted = psymbolValueOf # gatCs # mint
 
-  txInfoF <- tcont $ pletFields @'["inputs"] $ txInfo
+  txInfoF <- pletFieldsC @'["inputs"] $ txInfo
 
   pure $
     foldr1
@@ -137,9 +137,9 @@ authorityTokenPolicy :: AuthorityToken -> ClosedTerm PMintingPolicy
 authorityTokenPolicy params =
   plam $ \_redeemer ctx' ->
     pmatch ctx' $ \(PScriptContext ctx') -> unTermCont $ do
-      ctx <- tcont $ pletFields @'["txInfo", "purpose"] ctx'
+      ctx <- pletFieldsC @'["txInfo", "purpose"] ctx'
       PTxInfo txInfo' <- pmatchC $ pfromData ctx.txInfo
-      txInfo <- tcont $ pletFields @'["inputs", "mint", "outputs"] txInfo'
+      txInfo <- pletFieldsC @'["inputs", "mint", "outputs"] txInfo'
       let inputs = txInfo.inputs
           mintedValue = pfromData txInfo.mint
           AssetClass (govCs, govTn) = params.authority

agora/Agora/Effect.hs

@@ -9,7 +9,7 @@ module Agora.Effect (makeEffect) where
 
 import Agora.AuthorityToken (singleAuthorityTokenBurned)
 import Plutarch.Api.V1 (PCurrencySymbol, PScriptPurpose (PSpending), PTxInfo, PTxOutRef, PValidator, PValue)
-import Plutarch.Extra.TermCont (pguardC, pletC, pmatchC, ptryFromC)
+import Plutarch.Extra.TermCont (pguardC, pletC, pletFieldsC, pmatchC, ptryFromC)
 import Plutarch.TryFrom ()
 import PlutusLedgerApi.V1.Value (CurrencySymbol)
 
@@ -29,7 +29,7 @@ makeEffect ::
   ClosedTerm PValidator
 makeEffect gatCs' f =
   plam $ \datum _redeemer ctx' -> unTermCont $ do
-    ctx <- tcont $ pletFields @'["txInfo", "purpose"] ctx'
+    ctx <- pletFieldsC @'["txInfo", "purpose"] ctx'
     txInfo' <- pletC ctx.txInfo
 
     -- convert input datum, PData, into desierable type
@@ -42,7 +42,7 @@ makeEffect gatCs' f =
     txOutRef' <- pletC (pfield @"_0" # txOutRef)
 
     -- fetch minted values to ensure single GAT is burned
-    txInfo <- tcont $ pletFields @'["mint"] txInfo'
+    txInfo <- pletFieldsC @'["mint"] txInfo'
     let mint :: Term _ (PValue _ _)
         mint = txInfo.mint
 

agora/Agora/Effect/GovernorMutation.hs

@@ -49,7 +49,7 @@ import Plutarch.DataRepr (
   PDataFields,
   PIsDataReprInstances (PIsDataReprInstances),
  )
-import Plutarch.Extra.TermCont (pguardC)
+import Plutarch.Extra.TermCont (pguardC, pletFieldsC)
 import Plutarch.Lift (PConstantDecl, PLifted, PUnsafeLiftDecl)
 import PlutusLedgerApi.V1 (TxOutRef)
 import PlutusLedgerApi.V1.Value (AssetClass (..))
@@ -151,8 +151,8 @@ deriving via PAsData (PIsDataReprInstances PMutateGovernorDatum) instance PTryFr
 mutateGovernorValidator :: Governor -> ClosedTerm PValidator
 mutateGovernorValidator gov = makeEffect (authorityTokenSymbolFromGovernor gov) $
   \_gatCs (datum :: Term _ PMutateGovernorDatum) _ txInfo -> unTermCont $ do
-    datumF <- tcont $ pletFields @'["newDatum", "governorRef"] datum
-    txInfoF <- tcont $ pletFields @'["mint", "inputs", "outputs", "datums"] txInfo
+    datumF <- pletFieldsC @'["newDatum", "governorRef"] datum
+    txInfoF <- pletFieldsC @'["mint", "inputs", "outputs", "datums"] txInfo
 
     let mint :: Term _ (PBuiltinList _)
         mint = pto $ pto $ pto $ pfromData txInfoF.mint
@@ -185,7 +185,7 @@ mutateGovernorValidator gov = makeEffect (authorityTokenSymbolFromGovernor gov)
               )
             # pfromData txInfoF.inputs
 
-    govInInfo <- tcont $ pletFields @'["outRef", "resolved"] $ inputWithGST
+    govInInfo <- pletFieldsC @'["outRef", "resolved"] $ inputWithGST
 
     -- The effect can only modify the governor UTXO referenced in the datum.
     pguardC "Can only modify the pinned governor" $
@@ -198,7 +198,7 @@ mutateGovernorValidator gov = makeEffect (authorityTokenSymbolFromGovernor gov)
     let govAddress = pfield @"address" #$ govInInfo.resolved
         govOutput' = pfromData $ phead # pfromData txInfoF.outputs
 
-    govOutput <- tcont $ pletFields @'["address", "value", "datumHash"] govOutput'
+    govOutput <- pletFieldsC @'["address", "value", "datumHash"] govOutput'
 
     pguardC "No output to the governor" $
       govOutput.address #== govAddress

agora/Agora/Effect/TreasuryWithdrawal.hs

@@ -34,7 +34,7 @@ import Plutarch.DataRepr (
   PDataFields,
   PIsDataReprInstances (..),
  )
-import Plutarch.Extra.TermCont (pguardC, pletC, pmatchC)
+import Plutarch.Extra.TermCont (pguardC, pletC, pletFieldsC, pmatchC)
 import Plutarch.Lift (PConstantDecl, PUnsafeLiftDecl (..))
 import PlutusLedgerApi.V1.Credential (Credential)
 import PlutusLedgerApi.V1.Value (CurrencySymbol, Value)
@@ -143,16 +143,16 @@ deriving via
 treasuryWithdrawalValidator :: forall {s :: S}. CurrencySymbol -> Term s PValidator
 treasuryWithdrawalValidator currSymbol = makeEffect currSymbol $
   \_cs (datum' :: Term _ PTreasuryWithdrawalDatum) txOutRef' txInfo' -> unTermCont $ do
-    datum <- tcont $ pletFields @'["receivers", "treasuries"] datum'
-    txInfo <- tcont $ pletFields @'["outputs", "inputs"] txInfo'
+    datum <- pletFieldsC @'["receivers", "treasuries"] datum'
+    txInfo <- pletFieldsC @'["outputs", "inputs"] txInfo'
     PJust ((pfield @"resolved" #) -> txOut) <- pmatchC $ pfindTxInByTxOutRef # txOutRef' # pfromData txInfo.inputs
-    effInput <- tcont $ pletFields @'["address", "value"] $ txOut
+    effInput <- pletFieldsC @'["address", "value"] $ txOut
     outputValues <-
       pletC $
         pmap
           # plam
             ( \(pfromData -> txOut') -> unTermCont $ do
-                txOut <- tcont $ pletFields @'["address", "value"] $ txOut'
+                txOut <- pletFieldsC @'["address", "value"] $ txOut'
                 let cred = pfield @"credential" # pfromData txOut.address
                 pure . pdata $ ptuple # cred # txOut.value
             )
@@ -162,7 +162,7 @@ treasuryWithdrawalValidator currSymbol = makeEffect currSymbol $
         pmap
           # plam
             ( \((pfield @"resolved" #) . pfromData -> txOut') -> unTermCont $ do
-                txOut <- tcont $ pletFields @'["address", "value"] $ txOut'
+                txOut <- pletFieldsC @'["address", "value"] $ txOut'
                 let cred = pfield @"credential" # pfromData txOut.address
                 pure . pdata $ ptuple # cred # txOut.value
             )

agora/Agora/Governor.hs

@@ -45,7 +45,7 @@ import Plutarch.DataRepr (
   PIsDataReprInstances (PIsDataReprInstances),
  )
 import Plutarch.Extra.Comonad (pextract)
-import Plutarch.Extra.TermCont (pletC, pmatchC)
+import Plutarch.Extra.TermCont (pletC, pletFieldsC, pmatchC)
 import Plutarch.Lift (PConstantDecl, PUnsafeLiftDecl (..))
 import Plutarch.SafeMoney (PDiscrete (..))
 import PlutusLedgerApi.V1 (TxOutRef)
@@ -231,9 +231,8 @@ governorDatumValid :: Term s (PGovernorDatum :--> PBool)
 governorDatumValid = phoistAcyclic $
   plam $ \datum -> unTermCont $ do
     thresholds <-
-      tcont $
-        pletFields @'["execute", "create", "vote"] $
-          pfield @"proposalThresholds" # datum
+      pletFieldsC @'["execute", "create", "vote"] $
+        pfield @"proposalThresholds" # datum
 
     PDiscrete execute' <- pmatchC thresholds.execute
     PDiscrete draft' <- pmatchC thresholds.create

agora/Agora/Governor/Scripts.hs

@@ -166,7 +166,7 @@ governorPolicy gov =
     let ownAssetClass = passetClass # ownSymbol # pconstant ""
         txInfo = pfromData $ pfield @"txInfo" # ctx'
 
-    txInfoF <- tcont $ pletFields @'["mint", "inputs", "outputs", "datums", "validRange"] txInfo
+    txInfoF <- pletFieldsC @'["mint", "inputs", "outputs", "datums", "validRange"] txInfo
 
     pguardC "Referenced utxo should be spent" $
       pisUTXOSpent # oref # txInfoF.inputs
@@ -280,11 +280,11 @@ governorPolicy gov =
 governorValidator :: Governor -> ClosedTerm PValidator
 governorValidator gov =
   plam $ \datum' redeemer' ctx' -> unTermCont $ do
-    (pfromData -> redeemer, _) <- tcont $ ptryFrom redeemer'
-    ctxF <- tcont $ pletFields @'["txInfo", "purpose"] ctx'
+    (pfromData -> redeemer, _) <- ptryFromC redeemer'
+    ctxF <- pletFieldsC @'["txInfo", "purpose"] ctx'
 
     txInfo' <- pletC $ pfromData $ ctxF.txInfo
-    txInfoF <- tcont $ pletFields @'["mint", "inputs", "outputs", "datums", "signatories", "validRange"] txInfo'
+    txInfoF <- pletFieldsC @'["mint", "inputs", "outputs", "datums", "signatories", "validRange"] txInfo'
 
     PSpending (pfromData . (pfield @"_0" #) -> ownInputRef) <- pmatchC $ pfromData ctxF.purpose
 
@@ -292,19 +292,18 @@ governorValidator gov =
       pletC $
         mustBePJust # "Own input not found"
           #$ pfindTxInByTxOutRef # ownInputRef # txInfoF.inputs
-    ownInputF <- tcont $ pletFields @'["address", "value"] ownInput
+    ownInputF <- pletFieldsC @'["address", "value"] ownInput
     let ownAddress = pfromData $ ownInputF.address
 
-    (pfromData -> (oldGovernorDatum :: Term _ PGovernorDatum), _) <- tcont $ ptryFrom datum'
+    (pfromData -> (oldGovernorDatum :: Term _ PGovernorDatum), _) <- ptryFromC datum'
     oldGovernorDatumF <-
-      tcont $
-        pletFields
-          @'[ "proposalThresholds"
-            , "nextProposalId"
-            , "proposalTimings"
-            , "createProposalTimeRangeMaxWidth"
-            ]
-          oldGovernorDatum
+      pletFieldsC
+        @'[ "proposalThresholds"
+          , "nextProposalId"
+          , "proposalTimings"
+          , "createProposalTimeRangeMaxWidth"
+          ]
+        oldGovernorDatum
 
     -- Check that GST will be returned to the governor.
     let ownInputGSTAmount = psymbolValueOf # pgstSymbol # ownInputF.value
@@ -315,7 +314,7 @@ governorValidator gov =
     pguardC "Exactly one utxo should be sent to the governor" $
       plength # ownOutputs #== 1
 
-    ownOutput <- tcont $ pletFields @'["value", "datumHash"] $ phead # ownOutputs
+    ownOutput <- pletFieldsC @'["value", "datumHash"] $ phead # ownOutputs
     let ownOuputGSTAmount = psymbolValueOf # pgstSymbol # ownOutput.value
     pguardC "State token should stay at governor's address" $
       ownOuputGSTAmount #== 1
@@ -362,7 +361,7 @@ governorValidator gov =
                 # phoistAcyclic
                   ( plam $
                       \((pfield @"resolved" #) -> txOut') -> unTermCont $ do
-                        txOut <- tcont $ pletFields @'["address", "value"] txOut'
+                        txOut <- pletFieldsC @'["address", "value"] txOut'
 
                         pure $
                           txOut.address #== pdata pstakeValidatorAddress
@@ -370,7 +369,7 @@ governorValidator gov =
                   )
                 # pfromData txInfoF.inputs
 
-          stakeInputF <- tcont $ pletFields @'["datumHash", "value"] $ pfield @"resolved" # stakeInput
+          stakeInputF <- pletFieldsC @'["datumHash", "value"] $ pfield @"resolved" # stakeInput
 
           pguardC "Stake input doesn't have datum" $
             pisDJust # stakeInputF.datumHash
@@ -378,7 +377,7 @@ governorValidator gov =
           let stakeInputDatum = mustFindDatum' @PStakeDatum # stakeInputF.datumHash # txInfoF.datums
 
           stakeInputDatumF <-
-            tcont $ pletFields @["stakedAmount", "owner", "lockedBy"] stakeInputDatum
+            pletFieldsC @["stakedAmount", "owner", "lockedBy"] stakeInputDatum
 
           pguardC "Required amount of stake GTs should be presented" $
             stakeInputDatumF.stakedAmount #== (pgtValueOf # stakeInputF.value)
@@ -396,7 +395,7 @@ governorValidator gov =
                 # phoistAcyclic
                   ( plam $
                       \txOut' -> unTermCont $ do
-                        txOut <- tcont $ pletFields @'["address", "value"] txOut'
+                        txOut <- pletFieldsC @'["address", "value"] txOut'
 
                         pure $
                           txOut.address #== pdata pproposalValidatorAddress
@@ -419,10 +418,9 @@ governorValidator gov =
             proposalDatumValid' # proposalOutputDatum'
 
           proposalOutputDatum <-
-            tcont $
-              pletFields
-                @'["effects", "cosigners", "proposalId", "votes"]
-                proposalOutputDatum'
+            pletFieldsC
+              @'["effects", "cosigners", "proposalId", "votes"]
+              proposalOutputDatum'
 
           pguardC "Proposal should have only one cosigner" $
             plength # pfromData proposalOutputDatum.cosigners #== 1
@@ -464,7 +462,7 @@ governorValidator gov =
                 # phoistAcyclic
                   ( plam $
                       \txOut' -> unTermCont $ do
-                        txOut <- tcont $ pletFields @'["address", "value"] txOut'
+                        txOut <- pletFieldsC @'["address", "value"] txOut'
 
                         pure $
                           txOut.address #== pdata pstakeValidatorAddress
@@ -472,7 +470,7 @@ governorValidator gov =
                   )
                 # pfromData txInfoF.outputs
 
-          stakeOutputF <- tcont $ pletFields @'["datumHash", "value"] $ stakeOutput
+          stakeOutputF <- pletFieldsC @'["datumHash", "value"] $ stakeOutput
 
           pguardC "Staked GTs should be sent back to stake validator" $
             stakeInputDatumF.stakedAmount #== (pgtValueOf # stakeOutputF.value)
@@ -527,36 +525,34 @@ governorValidator gov =
             (psymbolValueOf # ppstSymbol #$ pvalueSpent # txInfoF.inputs) #== 1
 
           proposalInputF <-
-            tcont $
-              pletFields @'["datumHash"] $
-                pfield @"resolved"
-                  #$ pfromData
-                  $ mustBePJust
-                    # "Proposal input not found"
-                      #$ pfind
-                    # plam
-                      ( \((pfield @"resolved" #) -> txOut) -> unTermCont $ do
-                          txOutF <- tcont $ pletFields @'["address", "value"] txOut
+            pletFieldsC @'["datumHash"] $
+              pfield @"resolved"
+                #$ pfromData
+                $ mustBePJust
+                  # "Proposal input not found"
+                    #$ pfind
+                  # plam
+                    ( \((pfield @"resolved" #) -> txOut) -> unTermCont $ do
+                        txOutF <- pletFieldsC @'["address", "value"] txOut
 
-                          pure $
-                            psymbolValueOf # ppstSymbol # txOutF.value #== 1
-                              #&& txOutF.address #== pdata pproposalValidatorAddress
-                      )
-                    # pfromData txInfoF.inputs
+                        pure $
+                          psymbolValueOf # ppstSymbol # txOutF.value #== 1
+                            #&& txOutF.address #== pdata pproposalValidatorAddress
+                    )
+                  # pfromData txInfoF.inputs
 
           proposalOutputF <-
-            tcont $
-              pletFields @'["datumHash"] $
-                mustBePJust # "Proposal output not found"
-                  #$ pfind
-                    # plam
-                      ( \txOut -> unTermCont $ do
-                          txOutF <- tcont $ pletFields @'["address", "value"] txOut
-                          pure $
-                            psymbolValueOf # ppstSymbol # txOutF.value #== 1
-                              #&& txOutF.address #== pdata pproposalValidatorAddress
-                      )
-                    # pfromData txInfoF.outputs
+            pletFieldsC @'["datumHash"] $
+              mustBePJust # "Proposal output not found"
+                #$ pfind
+                  # plam
+                    ( \txOut -> unTermCont $ do
+                        txOutF <- pletFieldsC @'["address", "value"] txOut
+                        pure $
+                          psymbolValueOf # ppstSymbol # txOutF.value #== 1
+                            #&& txOutF.address #== pdata pproposalValidatorAddress
+                    )
+                  # pfromData txInfoF.outputs
 
           proposalInputDatum <-
             pletC $
@@ -574,9 +570,8 @@ governorValidator gov =
               #&& proposalDatumValid' # proposalOutputDatum
 
           proposalInputDatumF <-
-            tcont $
-              pletFields @'["proposalId", "effects", "status", "cosigners", "thresholds", "votes", "timingConfig", "startingTime"]
-                proposalInputDatum
+            pletFieldsC @'["proposalId", "effects", "status", "cosigners", "thresholds", "votes", "timingConfig", "startingTime"]
+              proposalInputDatum
 
           -- Check that the proposal state is advanced so that a proposal cannot be executed twice.
 
@@ -634,7 +629,7 @@ governorValidator gov =
                 phoistAcyclic $
                   plam
                     ( \effects (pfromData -> output') -> unTermCont $ do
-                        output <- tcont $ pletFields @'["address", "datumHash"] $ output'
+                        output <- pletFieldsC @'["address", "datumHash"] $ output'
 
                         let scriptHash =
                               mustBePJust # "GAT receiver is not a script"

agora/Agora/MultiSig.hs

@@ -25,6 +25,7 @@ import Plutarch.DataRepr (
   PDataFields,
   PIsDataReprInstances (PIsDataReprInstances),
  )
+import Plutarch.Extra.TermCont (pletFieldsC)
 import Plutarch.Lift (
   PConstantDecl,
   PLifted,
@@ -123,7 +124,7 @@ pvalidatedByMultisig :: Term s (PMultiSig :--> PTxInfo :--> PBool)
 pvalidatedByMultisig =
   phoistAcyclic $
     plam $ \multi' txInfo -> unTermCont $ do
-      multi <- tcont $ pletFields @'["keys", "minSigs"] multi'
+      multi <- pletFieldsC @'["keys", "minSigs"] multi'
       let signatories = pfield @"signatories" # txInfo
       pure $
         pfromData multi.minSigs

agora/Agora/Plutarch/Orphans.hs

@@ -14,6 +14,7 @@ import Control.Arrow (first)
 import Plutarch.Api.V1 (PAddress, PCredential, PCurrencySymbol, PDatumHash, PMap, PMaybeData, PPOSIXTime, PPubKeyHash, PStakingCredential, PTokenName, PTxId, PTxOutRef, PValidatorHash, PValue)
 import Plutarch.Builtin (PBuiltinMap)
 import Plutarch.DataRepr (PIsDataReprInstances (..))
+import Plutarch.Extra.TermCont (ptryFromC)
 import Plutarch.Numeric.Additive (AdditiveSemigroup ((+)))
 import Plutarch.Reducible (Reduce, Reducible)
 import Plutarch.TryFrom (PTryFrom (PTryFromExcess, ptryFrom'))
@@ -38,7 +39,7 @@ instance PTryFrom PData (PAsData PPubKeyHash) where
   type PTryFromExcess PData (PAsData PPubKeyHash) = Flip Term PPubKeyHash
   ptryFrom' opq = runTermCont $ do
     (wrapped :: Term _ (PAsData PByteString), unwrapped :: Term _ PByteString) <-
-      tcont $ ptryFrom @(PAsData PByteString) opq
+      ptryFromC @(PAsData PByteString) opq
     tcont $ \f -> pif (plengthBS # unwrapped #== 28) (f ()) (ptraceError "a PubKeyHash should be 28 bytes long")
     pure (punsafeCoerce wrapped, punsafeCoerce unwrapped)
 
@@ -78,7 +79,7 @@ instance PTryFrom PData (PAsData PValidatorHash) where
   type PTryFromExcess PData (PAsData PValidatorHash) = Flip Term PValidatorHash
   ptryFrom' opq = runTermCont $ do
     (wrapped :: Term _ (PAsData PByteString), unwrapped :: Term _ PByteString) <-
-      tcont $ ptryFrom @(PAsData PByteString) opq
+      ptryFromC @(PAsData PByteString) opq
     tcont $ \f -> pif (plengthBS # unwrapped #== 28) (f ()) (ptraceError "a ValidatorHash should be 28 bytes long")
     pure (punsafeCoerce wrapped, punsafeCoerce unwrapped)
 
@@ -87,7 +88,7 @@ instance PTryFrom PData (PAsData PDatumHash) where
   type PTryFromExcess PData (PAsData PDatumHash) = Flip Term PDatumHash
   ptryFrom' opq = runTermCont $ do
     (wrapped :: Term _ (PAsData PByteString), unwrapped :: Term _ PByteString) <-
-      tcont $ ptryFrom @(PAsData PByteString) opq
+      ptryFromC @(PAsData PByteString) opq
     tcont $ \f -> pif (plengthBS # unwrapped #== 64) (f ()) (ptraceError "a DatumHash should be 64 bytes long")
     pure (punsafeCoerce wrapped, punsafeCoerce unwrapped)
 

agora/Agora/Proposal.hs

@@ -53,7 +53,7 @@ import Plutarch.DataRepr (DerivePConstantViaData (..), PDataFields, PIsDataReprI
 import Plutarch.Extra.List (pnotNull)
 import Plutarch.Extra.Map qualified as PM
 import Plutarch.Extra.Map.Unsorted qualified as PUM
-import Plutarch.Extra.TermCont (pguardC, pletC)
+import Plutarch.Extra.TermCont (pguardC, pletC, pletFieldsC)
 import Plutarch.Lift (
   DerivePConstantViaNewtype (..),
   PConstantDecl,
@@ -691,7 +691,7 @@ proposalDatumValid :: Proposal -> Term s (Agora.Proposal.PProposalDatum :--> PBo
 proposalDatumValid proposal =
   phoistAcyclic $
     plam $ \datum' -> unTermCont $ do
-      datum <- tcont $ pletFields @'["effects", "cosigners", "votes"] $ datum'
+      datum <- pletFieldsC @'["effects", "cosigners", "votes"] $ datum'
 
       let atLeastOneNegativeResult =
             pany

agora/Agora/Proposal/Scripts.hs

@@ -95,9 +95,9 @@ proposalPolicy ::
 proposalPolicy (AssetClass (govCs, govTn)) =
   plam $ \_redeemer ctx' -> unTermCont $ do
     PScriptContext ctx' <- pmatchC ctx'
-    ctx <- tcont $ pletFields @'["txInfo", "purpose"] ctx'
+    ctx <- pletFieldsC @'["txInfo", "purpose"] ctx'
     PTxInfo txInfo' <- pmatchC $ pfromData ctx.txInfo
-    txInfo <- tcont $ pletFields @'["inputs", "mint"] txInfo'
+    txInfo <- pletFieldsC @'["inputs", "mint"] txInfo'
     PMinting _ownSymbol <- pmatchC $ pfromData ctx.purpose
 
     let inputs = txInfo.inputs
@@ -151,24 +151,23 @@ proposalValidator :: Proposal -> ClosedTerm PValidator
 proposalValidator proposal =
   plam $ \datum redeemer ctx' -> unTermCont $ do
     PScriptContext ctx' <- pmatchC ctx'
-    ctx <- tcont $ pletFields @'["txInfo", "purpose"] ctx'
+    ctx <- pletFieldsC @'["txInfo", "purpose"] ctx'
     txInfo <- pletC $ pfromData ctx.txInfo
     PTxInfo txInfo' <- pmatchC txInfo
     txInfoF <-
-      tcont $
-        pletFields
-          @'[ "inputs"
-            , "outputs"
-            , "mint"
-            , "datums"
-            , "signatories"
-            , "validRange"
-            ]
-          txInfo'
+      pletFieldsC
+        @'[ "inputs"
+          , "outputs"
+          , "mint"
+          , "datums"
+          , "signatories"
+          , "validRange"
+          ]
+        txInfo'
     PSpending ((pfield @"_0" #) -> txOutRef) <- pmatchC $ pfromData ctx.purpose
 
     PJust ((pfield @"resolved" #) -> txOut) <- pmatchC $ pfindTxInByTxOutRef # txOutRef # txInfoF.inputs
-    txOutF <- tcont $ pletFields @'["address", "value"] $ txOut
+    txOutF <- pletFieldsC @'["address", "value"] $ txOut
 
     (pfromData -> proposalDatum, _) <-
       ptryFromC @(PAsData PProposalDatum) datum
@@ -176,18 +175,17 @@ proposalValidator proposal =
       ptryFromC @(PAsData PProposalRedeemer) redeemer
 
     proposalF <-
-      tcont $
-        pletFields
-          @'[ "proposalId"
-            , "effects"
-            , "status"
-            , "cosigners"
-            , "thresholds"
-            , "votes"
-            , "timingConfig"
-            , "startingTime"
-            ]
-          proposalDatum
+      pletFieldsC
+        @'[ "proposalId"
+          , "effects"
+          , "status"
+          , "cosigners"
+          , "thresholds"
+          , "votes"
+          , "timingConfig"
+          , "startingTime"
+          ]
+        proposalDatum
 
     ownAddress <- pletC $ txOutF.address
 
@@ -211,7 +209,7 @@ proposalValidator proposal =
         mustBePJust # "Own output should be present" #$ pfind
           # plam
             ( \input -> unTermCont $ do
-                inputF <- tcont $ pletFields @'["address", "value", "datumHash"] input
+                inputF <- pletFieldsC @'["address", "value", "datumHash"] input
 
                 -- TODO: this is highly inefficient: O(n) for every output,
                 --       Maybe we can cache the sorted datum map?

agora/Agora/Proposal/Time.hs

@@ -44,7 +44,7 @@ import Plutarch.DataRepr (
   PDataFields,
   PIsDataReprInstances (..),
  )
-import Plutarch.Extra.TermCont (pguardC, pmatchC)
+import Plutarch.Extra.TermCont (pguardC, pletFieldsC, pmatchC)
 import Plutarch.Lift (
   DerivePConstantViaNewtype (..),
   PConstantDecl,
@@ -308,11 +308,11 @@ currentProposalTime :: forall (s :: S). Term s (PPOSIXTimeRange :--> PProposalTi
 currentProposalTime = phoistAcyclic $
   plam $ \iv -> unTermCont $ do
     PInterval iv' <- pmatchC iv
-    ivf <- tcont $ pletFields @'["from", "to"] iv'
+    ivf <- pletFieldsC @'["from", "to"] iv'
     PLowerBound lb <- pmatchC ivf.from
     PUpperBound ub <- pmatchC ivf.to
-    lbf <- tcont $ pletFields @'["_0", "_1"] lb
-    ubf <- tcont $ pletFields @'["_0", "_1"] ub
+    lbf <- pletFieldsC @'["_0", "_1"] lb
+    ubf <- pletFieldsC @'["_0", "_1"] ub
     pure $
       pcon $
         PProposalTime

agora/Agora/Stake.hs

@@ -327,7 +327,7 @@ findStakeOwnedBy = phoistAcyclic $
       PNothing -> pcon PNothing
       PJust (pfromData -> v) -> unTermCont $ do
         let txOut = pfield @"resolved" # pto v
-        txOutF <- tcont $ pletFields @'["datumHash"] $ txOut
+        txOutF <- pletFieldsC @'["datumHash"] $ txOut
         pure $
           pmatch txOutF.datumHash $ \case
             PDNothing _ -> pcon PNothing

agora/Agora/Stake/Scripts.hs

@@ -31,7 +31,7 @@ import Plutarch.Api.V1.AssetClass (passetClass, passetClassValueOf, pvalueOf)
 import Plutarch.Api.V1.ScriptContext (pfindTxInByTxOutRef, pisTokenSpent, ptxSignedBy, pvalueSpent)
 import "liqwid-plutarch-extra" Plutarch.Api.V1.Value (pgeqByClass', pgeqBySymbol, psymbolValueOf)
 import Plutarch.Extra.Record (mkRecordConstr, (.&), (.=))
-import Plutarch.Extra.TermCont (pguardC, pletC, pmatchC, ptryFromC)
+import Plutarch.Extra.TermCont (pguardC, pletC, pletFieldsC, pmatchC, ptryFromC)
 import Plutarch.Internal (punsafeCoerce)
 import Plutarch.Numeric.Additive (AdditiveMonoid (zero), AdditiveSemigroup ((+)))
 import Plutarch.SafeMoney (
@@ -66,11 +66,11 @@ stakePolicy ::
   ClosedTerm PMintingPolicy
 stakePolicy gtClassRef =
   plam $ \_redeemer ctx' -> unTermCont $ do
-    ctx <- tcont $ pletFields @'["txInfo", "purpose"] ctx'
+    ctx <- pletFieldsC @'["txInfo", "purpose"] ctx'
     txInfo <- pletC $ ctx.txInfo
     let _a :: Term _ PTxInfo
         _a = txInfo
-    txInfoF <- tcont $ pletFields @'["mint", "inputs", "outputs", "signatories", "datums"] txInfo
+    txInfoF <- pletFieldsC @'["mint", "inputs", "outputs", "signatories", "datums"] txInfo
 
     PMinting ownSymbol' <- pmatchC $ pfromData ctx.purpose
     ownSymbol <- pletC $ pfield @"_0" # ownSymbol'
@@ -88,7 +88,7 @@ stakePolicy gtClassRef =
             pany
               # plam
                 ( \((pfield @"resolved" #) -> txOut) -> unTermCont $ do
-                    txOutF <- tcont $ pletFields @'["value", "datumHash"] txOut
+                    txOutF <- pletFieldsC @'["value", "datumHash"] txOut
                     pure $
                       pif
                         (psymbolValueOf # ownSymbol # txOutF.value #== 1)
@@ -116,7 +116,7 @@ stakePolicy gtClassRef =
                         #$ pfind
                       # plam
                         ( \output -> unTermCont $ do
-                            outputF <- tcont $ pletFields @'["value", "address"] output
+                            outputF <- pletFieldsC @'["value", "address"] output
                             pure $
                               pmatch (pfromData $ pfield @"credential" # outputF.address) $ \case
                                 -- Should pay to a script address
@@ -129,12 +129,10 @@ stakePolicy gtClassRef =
                       # pfromData txInfoF.outputs
 
               outputF <-
-                tcont $
-                  pletFields @'["value", "address", "datumHash"] scriptOutputWithStakeST
+                pletFieldsC @'["value", "address", "datumHash"] scriptOutputWithStakeST
               datumF <-
-                tcont $
-                  pletFields @'["owner", "stakedAmount"] $
-                    mustFindDatum' @PStakeDatum # outputF.datumHash # txInfoF.datums
+                pletFieldsC @'["owner", "stakedAmount"] $
+                  mustFindDatum' @PStakeDatum # outputF.datumHash # txInfoF.datums
 
               let hasExpectedStake =
                     ptraceIfFalse "Stake ouput has expected amount of stake token" $
@@ -208,16 +206,16 @@ stakePolicy gtClassRef =
 stakeValidator :: Stake -> ClosedTerm PValidator
 stakeValidator stake =
   plam $ \datum redeemer ctx' -> unTermCont $ do
-    ctx <- tcont $ pletFields @'["txInfo", "purpose"] ctx'
+    ctx <- pletFieldsC @'["txInfo", "purpose"] ctx'
     txInfo <- pletC $ pfromData ctx.txInfo
-    txInfoF <- tcont $ pletFields @'["mint", "inputs", "outputs", "signatories", "datums"] txInfo
+    txInfoF <- pletFieldsC @'["mint", "inputs", "outputs", "signatories", "datums"] txInfo
 
     (pfromData -> stakeRedeemer, _) <- ptryFromC redeemer
 
     -- TODO: Use PTryFrom
     let stakeDatum' :: Term _ PStakeDatum
         stakeDatum' = pfromData $ punsafeCoerce datum
-    stakeDatum <- tcont $ pletFields @'["owner", "stakedAmount", "lockedBy"] stakeDatum'
+    stakeDatum <- pletFieldsC @'["owner", "stakedAmount", "lockedBy"] stakeDatum'
 
     PSpending txOutRef <- pmatchC $ pfromData ctx.purpose
 
@@ -264,7 +262,7 @@ stakeValidator stake =
               mustBePJust # "Own output should be present" #$ pfind
                 # plam
                   ( \input -> unTermCont $ do
-                      inputF <- tcont $ pletFields @'["address", "value"] input
+                      inputF <- pletFieldsC @'["address", "value"] input
                       pure $
                         inputF.address #== ownAddress
                           #&& psymbolValueOf # stCurrencySymbol # inputF.value #== 1

agora/Agora/Treasury.hs

@@ -20,7 +20,7 @@ import Plutarch.DataRepr (
   DerivePConstantViaData (..),
   PIsDataReprInstances (PIsDataReprInstances),
  )
-import Plutarch.Extra.TermCont (pguardC, pletC, pmatchC, ptryFromC)
+import Plutarch.Extra.TermCont (pguardC, pletC, pletFieldsC, pmatchC, ptryFromC)
 import Plutarch.Lift (PConstantDecl (..), PLifted (..), PUnsafeLiftDecl)
 import Plutarch.TryFrom ()
 import PlutusLedgerApi.V1.Value (CurrencySymbol)
@@ -108,7 +108,7 @@ treasuryValidator gatCs' = plam $ \_datum redeemer ctx' -> unTermCont $ do
   (treasuryRedeemer, _) <- ptryFromC redeemer
 
   -- plet required fields from script context.
-  ctx <- tcont $ pletFields @["txInfo", "purpose"] ctx'
+  ctx <- pletFieldsC @["txInfo", "purpose"] ctx'
 
   -- Ensure that script is for burning i.e. minting a negative amount.
   PMinting _ <- pmatchC ctx.purpose
@@ -118,7 +118,7 @@ treasuryValidator gatCs' = plam $ \_datum redeemer ctx' -> unTermCont $ do
 
   -- Get the minted value from txInfo.
   txInfo' <- pletC ctx.txInfo
-  txInfo <- tcont $ pletFields @'["mint"] txInfo'
+  txInfo <- pletFieldsC @'["mint"] txInfo'
   let mint :: Term _ (PValue _ _)
       mint = txInfo.mint
 

agora/Agora/Utils.hs

@@ -43,7 +43,7 @@ import Plutarch.Api.V1.ScriptContext (pfindDatum)
 import "liqwid-plutarch-extra" Plutarch.Api.V1.Value (psymbolValueOf)
 import Plutarch.Builtin (pforgetData)
 import Plutarch.Extra.List (plookupTuple)
-import Plutarch.Extra.TermCont (pletC, pmatchC)
+import Plutarch.Extra.TermCont (pletC, pmatchC, ptryFromC)
 import PlutusLedgerApi.V1 (
   Address (..),
   Credential (..),
@@ -162,7 +162,7 @@ mustFindDatum' = phoistAcyclic $
   plam $ \mdh datums -> unTermCont $ do
     let dh = mustBePDJust # "Given TxOut dones't have a datum" # mdh
         dt = mustBePJust # "Datum not found in the transaction" #$ plookupTuple # dh # datums
-    (d, _) <- tcont $ ptryFrom $ pforgetData $ pdata dt
+    (d, _) <- ptryFromC $ pforgetData $ pdata dt
     pure $ pfromData d
 
 {- | Extract the value stored in a PMaybe container.