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https://github.com/FiloSpaTeam/plutus-pioneer-program.git
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removed solutions
This commit is contained in:
Lars Brünjes
parent
5430da3941
commit
314f884eda
3 changed files with 0 additions and 274 deletions
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@ -13,8 +13,6 @@ library
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exposed-modules: Week03.Homework1
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, Week03.Homework2
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, Week03.Parameterized
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, Week03.Solution1
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, Week03.Solution2
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, Week03.Vesting
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build-depends: aeson
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, base ^>=4.14.1.0
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@ -1,145 +0,0 @@
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{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE DeriveAnyClass #-}
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{-# LANGUAGE DeriveGeneric #-}
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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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{-# OPTIONS_GHC -fno-warn-unused-imports #-}
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module Week03.Solution1 where
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import Control.Monad hiding (fmap)
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import Data.Aeson (ToJSON, FromJSON)
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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 GHC.Generics (Generic)
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import Plutus.Contract
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import qualified PlutusTx
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import PlutusTx.Prelude hiding (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.Typed.Scripts as Scripts
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import Ledger.Ada as Ada
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import Playground.Contract (printJson, printSchemas, ensureKnownCurrencies, stage, ToSchema)
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import Playground.TH (mkKnownCurrencies, mkSchemaDefinitions)
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import Playground.Types (KnownCurrency (..))
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import Prelude (IO, Show (..), String)
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import qualified Prelude as P
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import Text.Printf (printf)
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data VestingDatum = VestingDatum
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{ beneficiary1 :: PubKeyHash
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, beneficiary2 :: PubKeyHash
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, deadline :: POSIXTime
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} deriving Show
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PlutusTx.unstableMakeIsData ''VestingDatum
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{-# INLINABLE mkValidator #-}
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mkValidator :: VestingDatum -> () -> ScriptContext -> Bool
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mkValidator dat () ctx
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| (beneficiary1 dat `elem` sigs) && (to (deadline dat) `contains` range) = True
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| (beneficiary2 dat `elem` sigs) && (from (1 + deadline dat) `contains` range) = True
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| otherwise = False
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where
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info :: TxInfo
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info = scriptContextTxInfo ctx
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sigs :: [PubKeyHash]
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sigs = txInfoSignatories info
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range :: POSIXTimeRange
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range = txInfoValidRange info
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data Vesting
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instance Scripts.ValidatorTypes Vesting where
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type instance DatumType Vesting = VestingDatum
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type instance RedeemerType Vesting = ()
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typedValidator :: Scripts.TypedValidator Vesting
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typedValidator = Scripts.mkTypedValidator @Vesting
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$$(PlutusTx.compile [|| mkValidator ||])
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$$(PlutusTx.compile [|| wrap ||])
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where
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wrap = Scripts.wrapValidator @VestingDatum @()
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validator :: Validator
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validator = Scripts.validatorScript typedValidator
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scrAddress :: Ledger.Address
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scrAddress = scriptAddress validator
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data GiveParams = GiveParams
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{ gpBeneficiary :: !PubKeyHash
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, gpDeadline :: !POSIXTime
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, gpAmount :: !Integer
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} deriving (Generic, ToJSON, FromJSON, ToSchema)
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type VestingSchema =
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Endpoint "give" GiveParams
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.\/ Endpoint "grab" ()
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give :: AsContractError e => GiveParams -> Contract w s e ()
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give gp = do
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pkh <- pubKeyHash <$> ownPubKey
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let dat = VestingDatum
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{ beneficiary1 = gpBeneficiary gp
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, beneficiary2 = pkh
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, deadline = gpDeadline gp
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}
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tx = mustPayToTheScript dat $ Ada.lovelaceValueOf $ gpAmount gp
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ledgerTx <- submitTxConstraints typedValidator tx
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void $ awaitTxConfirmed $ txId ledgerTx
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logInfo @String $ printf "made a gift of %d lovelace to %s with deadline %s"
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(gpAmount gp)
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(show $ gpBeneficiary gp)
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(show $ gpDeadline gp)
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grab :: forall w s e. AsContractError e => Contract w s e ()
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grab = do
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now <- currentTime
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pkh <- pubKeyHash <$> ownPubKey
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utxos <- utxoAt scrAddress
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let utxos1 = Map.filter (isSuitable $ \dat -> beneficiary1 dat == pkh && now <= deadline dat) utxos
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utxos2 = Map.filter (isSuitable $ \dat -> beneficiary2 dat == pkh && now > deadline dat) utxos
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logInfo @String $ printf "found %d gift(s) to grab" (Map.size utxos1 P.+ Map.size utxos2)
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unless (Map.null utxos1) $ do
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let orefs = fst <$> Map.toList utxos1
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lookups = Constraints.unspentOutputs utxos1 P.<>
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Constraints.otherScript validator
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tx :: TxConstraints Void Void
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tx = mconcat [mustSpendScriptOutput oref $ Redeemer $ PlutusTx.toData () | oref <- orefs] P.<>
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mustValidateIn (to now)
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void $ submitTxConstraintsWith @Void lookups tx
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unless (Map.null utxos2) $ do
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let orefs = fst <$> Map.toList utxos2
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lookups = Constraints.unspentOutputs utxos2 P.<>
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Constraints.otherScript validator
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tx :: TxConstraints Void Void
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tx = mconcat [mustSpendScriptOutput oref $ Redeemer $ PlutusTx.toData () | oref <- orefs] P.<>
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mustValidateIn (from now)
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void $ submitTxConstraintsWith @Void lookups tx
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where
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isSuitable :: (VestingDatum -> Bool) -> TxOutTx -> Bool
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isSuitable p o = case txOutDatumHash $ txOutTxOut o of
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Nothing -> False
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Just h -> case Map.lookup h $ txData $ txOutTxTx o of
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Nothing -> False
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Just (Datum e) -> maybe False p $ PlutusTx.fromData e
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endpoints :: Contract () VestingSchema 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 ''VestingSchema
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mkKnownCurrencies []
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@ -1,127 +0,0 @@
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{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE DeriveAnyClass #-}
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{-# LANGUAGE DeriveGeneric #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE MultiParamTypeClasses #-}
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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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{-# OPTIONS_GHC -fno-warn-unused-imports #-}
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module Week03.Solution2 where
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import Control.Monad hiding (fmap)
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import Data.Aeson (ToJSON, FromJSON)
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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 GHC.Generics (Generic)
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import Plutus.Contract
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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.Typed.Scripts as Scripts
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import Ledger.Ada as Ada
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import Playground.Contract (printJson, printSchemas, ensureKnownCurrencies, stage, ToSchema)
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import Playground.TH (mkKnownCurrencies, mkSchemaDefinitions)
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import Playground.Types (KnownCurrency (..))
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import Prelude (IO, Semigroup (..), Show (..), String)
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import Text.Printf (printf)
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{-# INLINABLE mkValidator #-}
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mkValidator :: PubKeyHash -> POSIXTime -> () -> ScriptContext -> Bool
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mkValidator pkh s () ctx =
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traceIfFalse "beneficiary's signature missing" checkSig &&
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traceIfFalse "deadline not reached" checkDeadline
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where
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info :: TxInfo
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info = scriptContextTxInfo ctx
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checkSig :: Bool
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checkSig = pkh `elem` txInfoSignatories info
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checkDeadline :: Bool
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checkDeadline = from s `contains` txInfoValidRange info
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data Vesting
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instance Scripts.ValidatorTypes Vesting where
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type instance DatumType Vesting = POSIXTime
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type instance RedeemerType Vesting = ()
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typedValidator :: PubKeyHash -> Scripts.TypedValidator Vesting
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typedValidator p = Scripts.mkTypedValidator @Vesting
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($$(PlutusTx.compile [|| mkValidator ||]) `PlutusTx.applyCode` PlutusTx.liftCode p)
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$$(PlutusTx.compile [|| wrap ||])
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where
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wrap = Scripts.wrapValidator @POSIXTime @()
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validator :: PubKeyHash -> Validator
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validator = Scripts.validatorScript . typedValidator
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scrAddress :: PubKeyHash -> Ledger.Address
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scrAddress = scriptAddress . validator
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data GiveParams = GiveParams
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{ gpBeneficiary :: !PubKeyHash
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, gpDeadline :: !POSIXTime
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, gpAmount :: !Integer
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} deriving (Generic, ToJSON, FromJSON, ToSchema)
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type VestingSchema =
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Endpoint "give" GiveParams
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.\/ Endpoint "grab" ()
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give :: AsContractError e => GiveParams -> Contract w s e ()
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give gp = do
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let p = gpBeneficiary gp
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d = gpDeadline gp
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tx = mustPayToTheScript d $ Ada.lovelaceValueOf $ gpAmount gp
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ledgerTx <- submitTxConstraints (typedValidator p) tx
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void $ awaitTxConfirmed $ txId ledgerTx
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logInfo @String $ printf "made a gift of %d lovelace to %s with deadline %s"
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(gpAmount gp)
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(show $ gpBeneficiary gp)
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(show $ gpDeadline gp)
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grab :: forall w s e. AsContractError e => Contract w s e ()
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grab = do
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now <- currentTime
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pkh <- pubKeyHash <$> ownPubKey
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utxos <- Map.filter (isSuitable now) <$> utxoAt (scrAddress pkh)
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if Map.null utxos
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then logInfo @String $ "no gifts available"
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else do
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let orefs = fst <$> Map.toList utxos
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lookups = Constraints.unspentOutputs utxos <>
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Constraints.otherScript (validator pkh)
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tx :: TxConstraints Void Void
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tx = mconcat [mustSpendScriptOutput oref $ Redeemer $ PlutusTx.toData () | oref <- orefs] <>
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mustValidateIn (from now)
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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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where
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isSuitable :: POSIXTime -> TxOutTx -> Bool
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isSuitable now o = case txOutDatumHash $ txOutTxOut o of
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Nothing -> False
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Just h -> case Map.lookup h $ txData $ txOutTxTx o of
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Nothing -> False
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Just (Datum e) -> case PlutusTx.fromData e of
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Nothing -> False
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Just d -> d <= now
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endpoints :: Contract () VestingSchema 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 ''VestingSchema
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mkKnownCurrencies []
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