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https://github.com/FiloSpaTeam/plutus-pioneer-program.git
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Typed contract
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parent
509ad92703
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4 changed files with 127 additions and 26 deletions
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@ -13,6 +13,7 @@ library
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exposed-modules: Week02.Burn
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exposed-modules: Week02.Burn
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, Week02.FortyTwo
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, Week02.FortyTwo
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, Week02.Gift
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, Week02.Gift
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, Week02.Typed
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build-depends: aeson
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build-depends: aeson
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, base ^>=4.14.1.0
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, base ^>=4.14.1.0
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, containers
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, containers
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@ -39,18 +39,18 @@ import Playground.Types (KnownCurrency (..))
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import Prelude (Semigroup (..))
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import Prelude (Semigroup (..))
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import Text.Printf (printf)
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import Text.Printf (printf)
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{-# INLINABLE mkGiftValidator #-}
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{-# INLINABLE mkBurnValidator #-}
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mkGiftValidator :: Data -> Data -> Data -> ()
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mkBurnValidator :: Data -> Data -> Data -> ()
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mkGiftValidator _ _ _ = traceError "NO WAY!"
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mkBurnValidator _ _ _ = traceError "NO WAY!"
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giftValidator :: Validator
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burnValidator :: Validator
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giftValidator = mkValidatorScript $$(PlutusTx.compile [|| mkGiftValidator ||])
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burnValidator = mkValidatorScript $$(PlutusTx.compile [|| mkBurnValidator ||])
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giftHash :: Ledger.ValidatorHash
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burnHash :: Ledger.ValidatorHash
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giftHash = Scripts.validatorHash giftValidator
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burnHash = Scripts.validatorHash burnValidator
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giftAddress :: Ledger.Address
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burnAddress :: Ledger.Address
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giftAddress = ScriptAddress giftHash
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burnAddress = ScriptAddress burnHash
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type BurnSchema =
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type BurnSchema =
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BlockchainActions
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BlockchainActions
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@ -59,17 +59,17 @@ type BurnSchema =
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burn :: (HasBlockchainActions s, AsContractError e) => Integer -> Contract w s e ()
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burn :: (HasBlockchainActions s, AsContractError e) => Integer -> Contract w s e ()
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burn amount = do
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burn amount = do
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let tx = mustPayToOtherScript giftHash (Datum $ Constr 0 []) $ Ada.lovelaceValueOf amount
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let tx = mustPayToOtherScript burnHash (Datum $ Constr 0 []) $ Ada.lovelaceValueOf amount
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ledgerTx <- submitTx tx
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ledgerTx <- submitTx tx
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void $ awaitTxConfirmed $ txId ledgerTx
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void $ awaitTxConfirmed $ txId ledgerTx
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logInfo @String $ printf "burnt %d lovelace" amount
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logInfo @String $ printf "burnt %d lovelace" amount
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grab :: forall w s e. (HasBlockchainActions s, AsContractError e) => Contract w s e ()
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grab :: forall w s e. (HasBlockchainActions s, AsContractError e) => Contract w s e ()
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grab = do
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grab = do
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utxos <- utxoAt $ ScriptAddress giftHash
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utxos <- utxoAt $ ScriptAddress burnHash
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let orefs = fst <$> Map.toList utxos
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let orefs = fst <$> Map.toList utxos
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lookups = Constraints.unspentOutputs utxos <>
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lookups = Constraints.unspentOutputs utxos <>
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Constraints.otherScript giftValidator
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Constraints.otherScript burnValidator
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tx :: TxConstraints Void Void
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tx :: TxConstraints Void Void
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tx = mconcat [mustSpendScriptOutput oref $ Redeemer $ I 17 | oref <- orefs]
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tx = mconcat [mustSpendScriptOutput oref $ Redeemer $ I 17 | oref <- orefs]
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ledgerTx <- submitTxConstraintsWith @Void lookups tx
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ledgerTx <- submitTxConstraintsWith @Void lookups tx
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@ -39,20 +39,20 @@ import Playground.Types (KnownCurrency (..))
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import Prelude (Semigroup (..))
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import Prelude (Semigroup (..))
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import Text.Printf (printf)
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import Text.Printf (printf)
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{-# INLINABLE mkGiftValidator #-}
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{-# INLINABLE mkFortyTwoValidator #-}
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mkGiftValidator :: Data -> Data -> Data -> ()
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mkFortyTwoValidator :: Data -> Data -> Data -> ()
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mkGiftValidator _ (I n) _
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mkFortyTwoValidator _ (I n) _
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| n == 42 = ()
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| n == 42 = ()
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mkGiftValidator _ _ _ = traceError "UNEXPECTED REDEEMER!"
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mkFortyTwoValidator _ _ _ = traceError "UNEXPECTED REDEEMER!"
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giftValidator :: Validator
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fortyTwoValidator :: Validator
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giftValidator = mkValidatorScript $$(PlutusTx.compile [|| mkGiftValidator ||])
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fortyTwoValidator = mkValidatorScript $$(PlutusTx.compile [|| mkFortyTwoValidator ||])
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giftHash :: Ledger.ValidatorHash
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fortyTwoHash :: Ledger.ValidatorHash
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giftHash = Scripts.validatorHash giftValidator
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fortyTwoHash = Scripts.validatorHash fortyTwoValidator
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giftAddress :: Ledger.Address
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fortyTwoAddress :: Ledger.Address
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giftAddress = ScriptAddress giftHash
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fortyTwoAddress = ScriptAddress fortyTwoHash
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type FortyTwoSchema =
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type FortyTwoSchema =
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BlockchainActions
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BlockchainActions
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@ -61,17 +61,17 @@ type FortyTwoSchema =
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give :: (HasBlockchainActions s, AsContractError e) => Integer -> Contract w s e ()
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give :: (HasBlockchainActions s, AsContractError e) => Integer -> Contract w s e ()
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give amount = do
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give amount = do
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let tx = mustPayToOtherScript giftHash (Datum $ Constr 0 []) $ Ada.lovelaceValueOf amount
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let tx = mustPayToOtherScript fortyTwoHash (Datum $ Constr 0 []) $ Ada.lovelaceValueOf amount
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ledgerTx <- submitTx tx
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ledgerTx <- submitTx tx
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void $ awaitTxConfirmed $ txId ledgerTx
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void $ awaitTxConfirmed $ txId ledgerTx
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logInfo @String $ printf "made a gift of %d lovelace" amount
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logInfo @String $ printf "made a gift of %d lovelace" amount
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grab :: forall w s e. (HasBlockchainActions s, AsContractError e) => Integer -> Contract w s e ()
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grab :: forall w s e. (HasBlockchainActions s, AsContractError e) => Integer -> Contract w s e ()
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grab r = do
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grab r = do
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utxos <- utxoAt $ ScriptAddress giftHash
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utxos <- utxoAt $ ScriptAddress fortyTwoHash
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let orefs = fst <$> Map.toList utxos
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let orefs = fst <$> Map.toList utxos
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lookups = Constraints.unspentOutputs utxos <>
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lookups = Constraints.unspentOutputs utxos <>
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Constraints.otherScript giftValidator
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Constraints.otherScript fortyTwoValidator
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tx :: TxConstraints Void Void
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tx :: TxConstraints Void Void
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tx = mconcat [mustSpendScriptOutput oref $ Redeemer $ I r | oref <- orefs]
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tx = mconcat [mustSpendScriptOutput oref $ Redeemer $ I r | oref <- orefs]
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ledgerTx <- submitTxConstraintsWith @Void lookups tx
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ledgerTx <- submitTxConstraintsWith @Void lookups tx
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100
code/week02/src/Week02/Typed.hs
Normal file
100
code/week02/src/Week02/Typed.hs
Normal file
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@ -0,0 +1,100 @@
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{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE NoImplicitPrelude #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE TemplateHaskell #-}
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{-# LANGUAGE TypeApplications #-}
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{-# LANGUAGE TypeFamilies #-}
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{-# LANGUAGE TypeOperators #-}
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module Week02.Typed
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( give
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, grab
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, TypedSchema
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, endpoints
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, schemas
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, registeredKnownCurrencies
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, printJson
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, printSchemas
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, ensureKnownCurrencies
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, stage
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) where
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import Control.Monad hiding (fmap)
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import Data.Map as Map
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import Data.Text (Text)
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import Data.Void (Void)
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import Plutus.Contract hiding (when)
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import PlutusTx (Data (..))
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import qualified PlutusTx
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import PlutusTx.Prelude hiding (Semigroup(..), unless)
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import Ledger hiding (singleton)
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import Ledger.Constraints as Constraints
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import qualified Ledger.Scripts as Scripts
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import qualified Ledger.Typed.Scripts as Scripts
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import Ledger.Ada as Ada
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import Playground.Contract (printJson, printSchemas, ensureKnownCurrencies, stage)
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import Playground.TH (mkKnownCurrencies, mkSchemaDefinitions)
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import Playground.Types (KnownCurrency (..))
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import Prelude (Semigroup (..))
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import Text.Printf (printf)
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{-# INLINABLE mkTypedValidator #-}
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mkTypedValidator :: () -> Integer -> ValidatorCtx -> Bool
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mkTypedValidator () n _ = traceIfFalse "UNEXPECTED REDEEMER" (n == 42)
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data Typing
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instance Scripts.ScriptType Typing where
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type instance RedeemerType Typing = Integer
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type instance DatumType Typing = ()
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typedInstance :: Scripts.ScriptInstance Typing
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typedInstance = Scripts.validator @Typing
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$$(PlutusTx.compile [|| mkTypedValidator ||])
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$$(PlutusTx.compile [|| wrap ||])
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where
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wrap = Scripts.wrapValidator @() @Integer
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typedValidator :: Validator
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typedValidator = Scripts.validatorScript typedInstance
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typedHash :: Ledger.ValidatorHash
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typedHash = Scripts.validatorHash typedValidator
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typedAddress :: Ledger.Address
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typedAddress = ScriptAddress typedHash
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type TypedSchema =
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BlockchainActions
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.\/ Endpoint "give" Integer
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.\/ Endpoint "grab" Integer
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give :: (HasBlockchainActions s, AsContractError e) => Integer -> Contract w s e ()
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give amount = do
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let tx = mustPayToTheScript () $ Ada.lovelaceValueOf amount
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ledgerTx <- submitTxConstraints typedInstance tx
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void $ awaitTxConfirmed $ txId ledgerTx
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logInfo @String $ printf "made a gift of %d lovelace" amount
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grab :: forall w s e. (HasBlockchainActions s, AsContractError e) => Integer -> Contract w s e ()
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grab r = do
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utxos <- utxoAt $ ScriptAddress typedHash
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let orefs = fst <$> Map.toList utxos
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lookups = Constraints.unspentOutputs utxos <>
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Constraints.otherScript typedValidator
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tx :: TxConstraints Void Void
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tx = mconcat [mustSpendScriptOutput oref $ Redeemer $ I r | oref <- orefs]
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ledgerTx <- submitTxConstraintsWith @Void lookups tx
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void $ awaitTxConfirmed $ txId ledgerTx
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logInfo @String $ "collected gifts"
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endpoints :: Contract () TypedSchema Text ()
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endpoints = (give' `select` grab') >> endpoints
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where
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give' = endpoint @"give" >>= give
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grab' = endpoint @"grab" >>= grab
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mkSchemaDefinitions ''TypedSchema
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mkKnownCurrencies []
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