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Homework 4
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1 changed files with 34 additions and 4 deletions
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@ -9,13 +9,14 @@ module Week04.Homework where
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import Data.Aeson (FromJSON, ToJSON)
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import Data.Aeson (FromJSON, ToJSON)
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import Data.Functor (void)
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import Data.Functor (void)
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import Data.Text (Text)
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import Data.Text (Text, unpack)
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import GHC.Generics (Generic)
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import GHC.Generics (Generic)
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import Ledger
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import Ledger
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import Ledger.Ada as Ada
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import Ledger.Ada as Ada
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import Ledger.Constraints as Constraints
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import Ledger.Constraints as Constraints
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import Plutus.Contract as Contract
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import Plutus.Contract as Contract
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import Plutus.Trace.Emulator as Emulator
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import Plutus.Trace.Emulator as Emulator
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import Wallet.Emulator.Wallet
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data PayParams = PayParams
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data PayParams = PayParams
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{ ppRecipient :: PubKeyHash
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{ ppRecipient :: PubKeyHash
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@ -29,16 +30,45 @@ payContract = do
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pp <- endpoint @"pay"
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pp <- endpoint @"pay"
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let tx = mustPayToPubKey (ppRecipient pp) $ lovelaceValueOf $ ppLovelace pp
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let tx = mustPayToPubKey (ppRecipient pp) $ lovelaceValueOf $ ppLovelace pp
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void $ submitTx tx
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void $ submitTx tx
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payContract
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handlePayContract :: Contract () PaySchema Text ()
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handlePayContract = do
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Contract.handleError
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(\err -> Contract.logError $ "cannot execute contract! " ++ unpack err)
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payContract
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handlePayContract
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-- A trace that invokes the pay endpoint of payContract on Wallet 1 twice, each time with Wallet 2 as
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-- A trace that invokes the pay endpoint of payContract on Wallet 1 twice, each time with Wallet 2 as
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-- recipient, but with amounts given by the two arguments. There should be a delay of one slot
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-- recipient, but with amounts given by the two arguments. There should be a delay of one slot
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-- after each endpoint call.
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-- after each endpoint call.EmulatorTrace
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payTrace :: Integer -> Integer -> EmulatorTrace ()
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payTrace :: Integer -> Integer -> EmulatorTrace ()
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payTrace _ _ = undefined -- IMPLEMENT ME!
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payTrace a b = do
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h <- activateContractWallet (Wallet 1) handlePayContract
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let recipient = (pubKeyHash $ walletPubKey $ Wallet 2)
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let ppa = PayParams {
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ppRecipient = recipient,
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ppLovelace = a
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}
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callEndpoint @"pay" h ppa
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void $ Emulator.waitNSlots 1
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let ppb = PayParams {
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ppRecipient = recipient,
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ppLovelace = b
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}
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callEndpoint @"pay" h ppb
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void $ Emulator.waitNSlots 1
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payTest1 :: IO ()
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payTest1 :: IO ()
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payTest1 = runEmulatorTraceIO $ payTrace 1000000 2000000
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payTest1 = runEmulatorTraceIO $ payTrace 1000000 2000000
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payTest2 :: IO ()
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payTest2 :: IO ()
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payTest2 = runEmulatorTraceIO $ payTrace 1000000000 2000000
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payTest2 = runEmulatorTraceIO $ payTrace 1000000000 2000000
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payTest3 :: IO ()
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payTest3 = runEmulatorTraceIO $ payTrace 1000000000 1000000000
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payTest4 :: IO ()
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payTest4 = runEmulatorTraceIO $ payTrace 2000000 1000000000
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