mirror of
https://github.com/FiloSpaTeam/plutus-pioneer-program.git
synced 2024-12-22 13:31:59 +01:00
complete version of the token sales contract
This commit is contained in:
Lars Brünjes
parent
b1eed7b358
commit
0e622f33c6
5 changed files with 292 additions and 205 deletions
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@ -10,7 +10,9 @@ License-files: LICENSE
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library
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hs-source-dirs: src
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exposed-modules: Week08.StateMachine
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exposed-modules: Week08.TokenSale
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, Week08.TestTokenSale
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, Week08.TraceTokenSale
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build-depends: aeson
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, base ^>=4.14.1.0
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, containers
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@ -1,204 +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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module Week08.StateMachine where
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import Control.Monad hiding (fmap)
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import Data.Aeson (FromJSON, ToJSON)
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import Data.Text (Text, pack)
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import GHC.Generics (Generic)
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import Plutus.Contract as Contract hiding (when)
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import Plutus.Contract.StateMachine
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import Plutus.Contract.Test
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import qualified PlutusTx
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import PlutusTx.Prelude hiding (Semigroup(..), check, unless)
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import Ledger hiding (singleton)
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import Ledger.Ada as Ada
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import Ledger.Constraints as Constraints
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import Ledger.Typed.Tx
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import qualified Ledger.Typed.Scripts as Scripts
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import Ledger.Value
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import Playground.Contract (ToSchema)
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import Prelude (Semigroup (..))
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import qualified Prelude
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data TokenSale = TokenSale
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{ tsSeller :: !PubKeyHash
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, tsToken :: !AssetClass
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, tsNFT :: !AssetClass
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} deriving (Show, Generic, FromJSON, ToJSON, Prelude.Eq, Prelude.Ord)
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PlutusTx.makeLift ''TokenSale
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data TSRedeemer =
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SetPrice Integer
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| AddTokens Integer
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| BuyTokens Integer
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| Withdraw Integer Integer
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deriving Show
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PlutusTx.unstableMakeIsData ''TSRedeemer
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{-# INLINABLE lovelaces #-}
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lovelaces :: Value -> Integer
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lovelaces = Ada.getLovelace . Ada.fromValue
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{-# INLINABLE transition #-}
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transition :: TokenSale -> State Integer -> TSRedeemer -> Maybe (TxConstraints Void Void, State Integer)
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transition ts s r = case (stateValue s, stateData s, r) of
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(v, _, SetPrice p) -> Just ( Constraints.mustBeSignedBy (tsSeller ts)
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, State p v
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)
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(v, p, AddTokens n) -> Just ( mempty
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, State p $ v <> assetClassValue (tsToken ts) n
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)
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(v, p, BuyTokens n) -> Just ( mempty
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, State p $ v <> assetClassValue (tsToken ts) (negate n) <> lovelaceValueOf (n * p)
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)
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(v, p, Withdraw n l) -> Just ( Constraints.mustBeSignedBy (tsSeller ts)
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, State p $ v <> assetClassValue (tsToken ts) (negate n) <> lovelaceValueOf (negate l)
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)
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{-# INLINABLE tsStateMachine #-}
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tsStateMachine :: TokenSale -> StateMachine Integer TSRedeemer
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tsStateMachine ts = mkStateMachine (Just $ tsNFT ts) (transition ts) (const False)
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{-# INLINABLE mkTSValidator #-}
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mkTSValidator :: TokenSale -> Integer -> TSRedeemer -> ScriptContext -> Bool
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mkTSValidator = mkValidator . tsStateMachine
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type TS = StateMachine Integer TSRedeemer
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tsInst :: TokenSale -> Scripts.ScriptInstance TS
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tsInst ts = Scripts.validator @TS
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($$(PlutusTx.compile [|| mkTSValidator ||]) `PlutusTx.applyCode` PlutusTx.liftCode ts)
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$$(PlutusTx.compile [|| wrap ||])
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where
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wrap = Scripts.wrapValidator @Integer @TSRedeemer
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tsValidator :: TokenSale -> Validator
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tsValidator = Scripts.validatorScript . tsInst
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tsAddress :: TokenSale -> Ledger.Address
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tsAddress = scriptAddress . tsValidator
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tsClient :: TokenSale -> StateMachineClient Integer TSRedeemer
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tsClient ts = mkStateMachineClient $ StateMachineInstance (tsStateMachine ts) (tsInst ts)
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{-
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data FirstParams = FirstParams
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{ fpSecond :: !PubKeyHash
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, fpStake :: !Integer
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, fpPlayDeadline :: !Slot
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, fpRevealDeadline :: !Slot
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, fpNonce :: !ByteString
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, fpCurrency :: !CurrencySymbol
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, fpTokenName :: !TokenName
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, fpChoice :: !GameChoice
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} deriving (Show, Generic, FromJSON, ToJSON, ToSchema)
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mapError' :: Contract w s SMContractError a -> Contract w s Text a
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mapError' = mapError $ pack . show
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firstGame :: forall w s. HasBlockchainActions s => FirstParams -> Contract w s Text ()
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firstGame fp = do
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pkh <- pubKeyHash <$> Contract.ownPubKey
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let game = Game
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{ gFirst = pkh
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, gSecond = fpSecond fp
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, gStake = fpStake fp
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, gPlayDeadline = fpPlayDeadline fp
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, gRevealDeadline = fpRevealDeadline fp
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, gToken = AssetClass (fpCurrency fp, fpTokenName fp)
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}
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client = gameClient game
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v = lovelaceValueOf (fpStake fp)
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c = fpChoice fp
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bs = sha2_256 $ fpNonce fp `concatenate` if c == Zero then bsZero else bsOne
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void $ mapError' $ runInitialise client (GameDatum bs Nothing) v
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logInfo @String $ "made first move: " ++ show (fpChoice fp)
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void $ awaitSlot $ 1 + fpPlayDeadline fp
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m <- mapError' $ getOnChainState client
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case m of
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Nothing -> throwError "game output not found"
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Just ((o, _), _) -> case tyTxOutData o of
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GameDatum _ Nothing -> do
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logInfo @String "second player did not play"
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void $ mapError' $ runStep client ClaimFirst
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logInfo @String "first player reclaimed stake"
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GameDatum _ (Just c') | c' == c -> do
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logInfo @String "second player played and lost"
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void $ mapError' $ runStep client $ Reveal $ fpNonce fp
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logInfo @String "first player revealed and won"
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_ -> logInfo @String "second player played and won"
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data SecondParams = SecondParams
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{ spFirst :: !PubKeyHash
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, spStake :: !Integer
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, spPlayDeadline :: !Slot
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, spRevealDeadline :: !Slot
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, spCurrency :: !CurrencySymbol
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, spTokenName :: !TokenName
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, spChoice :: !GameChoice
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} deriving (Show, Generic, FromJSON, ToJSON, ToSchema)
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secondGame :: forall w s. HasBlockchainActions s => SecondParams -> Contract w s Text ()
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secondGame sp = do
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pkh <- pubKeyHash <$> Contract.ownPubKey
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let game = Game
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{ gFirst = spFirst sp
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, gSecond = pkh
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, gStake = spStake sp
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, gPlayDeadline = spPlayDeadline sp
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, gRevealDeadline = spRevealDeadline sp
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, gToken = AssetClass (spCurrency sp, spTokenName sp)
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}
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client = gameClient game
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m <- mapError' $ getOnChainState client
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case m of
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Nothing -> logInfo @String "no running game found"
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Just ((o, _), _) -> case tyTxOutData o of
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GameDatum _ Nothing -> do
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logInfo @String "running game found"
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void $ mapError' $ runStep client $ Play $ spChoice sp
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logInfo @String $ "made second move: " ++ show (spChoice sp)
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void $ awaitSlot $ 1 + spRevealDeadline sp
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m' <- mapError' $ getOnChainState client
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case m' of
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Nothing -> logInfo @String "first player won"
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Just _ -> do
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logInfo @String "first player didn't reveal"
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void $ mapError' $ runStep client ClaimSecond
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logInfo @String "second player won"
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_ -> throwError "unexpected datum"
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type GameSchema = BlockchainActions .\/ Endpoint "first" FirstParams .\/ Endpoint "second" SecondParams
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endpoints :: Contract () GameSchema Text ()
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endpoints = (first `select` second) >> endpoints
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where
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first = endpoint @"first" >>= firstGame
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second = endpoint @"second" >>= secondGame
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-}
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35
code/week08/src/Week08/TestTokenSale.hs
Normal file
35
code/week08/src/Week08/TestTokenSale.hs
Normal file
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@ -0,0 +1,35 @@
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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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module Week08.TestTokenSale where
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import Control.Monad hiding (fmap)
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import Data.Aeson (FromJSON, ToJSON)
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import Data.Monoid (Last (..))
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import Data.Text (Text, pack)
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import GHC.Generics (Generic)
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import Plutus.Contract as Contract hiding (when)
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import Plutus.Contract.StateMachine
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import Plutus.Contract.Test
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import qualified Plutus.Contracts.Currency as C
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import qualified PlutusTx
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import PlutusTx.Prelude hiding (Semigroup(..), check, unless)
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import Ledger hiding (singleton)
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import Ledger.Ada as Ada
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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.Value
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import Prelude (Semigroup (..))
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import qualified Prelude
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import Week08.TokenSale
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160
code/week08/src/Week08/TokenSale.hs
Normal file
160
code/week08/src/Week08/TokenSale.hs
Normal file
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@ -0,0 +1,160 @@
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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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module Week08.TokenSale
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( TokenSale (..)
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, TSStartSchema
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, TSUseSchema
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, startTS'
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, useTS
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) where
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import Control.Monad hiding (fmap)
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import Data.Aeson (FromJSON, ToJSON)
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import Data.Monoid (Last (..))
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import Data.Text (Text, pack)
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import GHC.Generics (Generic)
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import Plutus.Contract as Contract hiding (when)
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import Plutus.Contract.StateMachine
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import qualified Plutus.Contracts.Currency as C
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import qualified PlutusTx
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import PlutusTx.Prelude hiding (Semigroup(..), check, unless)
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import Ledger hiding (singleton)
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import Ledger.Ada as Ada
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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.Value
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import Prelude (Semigroup (..))
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import qualified Prelude
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data TokenSale = TokenSale
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{ tsSeller :: !PubKeyHash
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, tsToken :: !AssetClass
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, tsNFT :: !AssetClass
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} deriving (Show, Generic, FromJSON, ToJSON, Prelude.Eq, Prelude.Ord)
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PlutusTx.makeLift ''TokenSale
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data TSRedeemer =
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SetPrice Integer
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| AddTokens Integer
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| BuyTokens Integer
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| Withdraw Integer Integer
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deriving Show
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PlutusTx.unstableMakeIsData ''TSRedeemer
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{-# INLINABLE lovelaces #-}
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lovelaces :: Value -> Integer
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lovelaces = Ada.getLovelace . Ada.fromValue
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{-# INLINABLE transition #-}
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transition :: TokenSale -> State Integer -> TSRedeemer -> Maybe (TxConstraints Void Void, State Integer)
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transition ts s r = case (stateValue s, stateData s, r) of
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(v, _, SetPrice p) -> Just ( Constraints.mustBeSignedBy (tsSeller ts)
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, State p (v <> nft (negate 1))
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)
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(v, p, AddTokens n) -> Just ( mempty
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, State p $ v <> nft (negate 1) <> assetClassValue (tsToken ts) n
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)
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(v, p, BuyTokens n) -> Just ( mempty
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, State p $ v <> nft (negate 1) <> assetClassValue (tsToken ts) (negate n) <> lovelaceValueOf (n * p)
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)
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(v, p, Withdraw n l) -> Just ( Constraints.mustBeSignedBy (tsSeller ts)
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, State p $ v <> nft (negate 1) <> assetClassValue (tsToken ts) (negate n) <> lovelaceValueOf (negate l)
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)
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where
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nft :: Integer -> Value
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nft = assetClassValue (tsNFT ts)
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{-# INLINABLE tsStateMachine #-}
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tsStateMachine :: TokenSale -> StateMachine Integer TSRedeemer
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tsStateMachine ts = mkStateMachine (Just $ tsNFT ts) (transition ts) (const False)
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{-# INLINABLE mkTSValidator #-}
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mkTSValidator :: TokenSale -> Integer -> TSRedeemer -> ScriptContext -> Bool
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mkTSValidator = mkValidator . tsStateMachine
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type TS = StateMachine Integer TSRedeemer
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tsInst :: TokenSale -> Scripts.ScriptInstance TS
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tsInst ts = Scripts.validator @TS
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($$(PlutusTx.compile [|| mkTSValidator ||]) `PlutusTx.applyCode` PlutusTx.liftCode ts)
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$$(PlutusTx.compile [|| wrap ||])
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where
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wrap = Scripts.wrapValidator @Integer @TSRedeemer
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tsValidator :: TokenSale -> Validator
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tsValidator = Scripts.validatorScript . tsInst
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tsAddress :: TokenSale -> Ledger.Address
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tsAddress = scriptAddress . tsValidator
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tsClient :: TokenSale -> StateMachineClient Integer TSRedeemer
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tsClient ts = mkStateMachineClient $ StateMachineInstance (tsStateMachine ts) (tsInst ts)
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mapErrorC :: Contract w s C.CurrencyError a -> Contract w s Text a
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mapErrorC = mapError $ pack . show
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mapErrorSM :: Contract w s SMContractError a -> Contract w s Text a
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mapErrorSM = mapError $ pack . show
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nftName :: TokenName
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nftName = "NFT"
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startTS :: HasBlockchainActions s => AssetClass -> Contract (Last TokenSale) s Text ()
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startTS token = do
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pkh <- pubKeyHash <$> Contract.ownPubKey
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osc <- mapErrorC $ C.forgeContract pkh [(nftName, 1)]
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let ts = TokenSale
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{ tsSeller = pkh
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, tsToken = token
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, tsNFT = AssetClass (C.currencySymbol osc, nftName)
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}
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client = tsClient ts
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void $ mapErrorSM $ runInitialise client 0 mempty
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tell $ Last $ Just ts
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logInfo $ "started token sale " ++ show ts
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setPrice :: HasBlockchainActions s => TokenSale -> Integer -> Contract w s Text ()
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setPrice ts p = void $ mapErrorSM $ runStep (tsClient ts) $ SetPrice p
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addTokens :: HasBlockchainActions s => TokenSale -> Integer -> Contract w s Text ()
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addTokens ts n = void $ mapErrorSM $ runStep (tsClient ts) $ AddTokens n
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buyTokens :: HasBlockchainActions s => TokenSale -> Integer -> Contract w s Text ()
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buyTokens ts n = void $ mapErrorSM $ runStep (tsClient ts) $ BuyTokens n
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withdraw :: HasBlockchainActions s => TokenSale -> Integer -> Integer -> Contract w s Text ()
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withdraw ts n l = void $ mapErrorSM $ runStep (tsClient ts) $ Withdraw n l
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type TSStartSchema = BlockchainActions .\/ Endpoint "start" (CurrencySymbol, TokenName)
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type TSUseSchema = BlockchainActions
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.\/ Endpoint "set price" Integer
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.\/ Endpoint "add tokens" Integer
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.\/ Endpoint "buy tokens" Integer
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.\/ Endpoint "withdraw" (Integer, Integer)
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startTS' :: Contract (Last TokenSale) TSStartSchema Text ()
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startTS' = start >> startTS'
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where
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start = endpoint @"start" >>= startTS . AssetClass
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useTS :: TokenSale -> Contract () TSUseSchema Text ()
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useTS ts = (setPrice' `select` addTokens' `select` buyTokens' `select` withdraw') >> useTS ts
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where
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setPrice' = handleError logError $ endpoint @"set price" >>= setPrice ts
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addTokens' = handleError logError $ endpoint @"add tokens" >>= addTokens ts
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buyTokens' = handleError logError $ endpoint @"buy tokens" >>= buyTokens ts
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withdraw' = handleError logError $ endpoint @"withdraw" >>= uncurry (withdraw ts)
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94
code/week08/src/Week08/TraceTokenSale.hs
Normal file
94
code/week08/src/Week08/TraceTokenSale.hs
Normal file
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@ -0,0 +1,94 @@
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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 NumericUnderscores #-}
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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 Week08.TraceTokenSale where
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import Control.Monad hiding (fmap)
|
||||
import Control.Monad.Freer.Extras as Extras
|
||||
import Data.Default (Default (..))
|
||||
import qualified Data.Map as Map
|
||||
import Data.Monoid (Last (..))
|
||||
import Ledger
|
||||
import Ledger.Value
|
||||
import Ledger.Ada as Ada
|
||||
import Plutus.Trace.Emulator as Emulator
|
||||
import PlutusTx.Prelude
|
||||
import Wallet.Emulator.Wallet
|
||||
|
||||
import Week08.TokenSale
|
||||
|
||||
test :: IO ()
|
||||
test = runEmulatorTraceIO' def emCfg myTrace
|
||||
where
|
||||
emCfg :: EmulatorConfig
|
||||
emCfg = EmulatorConfig $ Left $ Map.fromList
|
||||
[ (Wallet w, v)
|
||||
| w <- [1 .. 3]
|
||||
]
|
||||
|
||||
v :: Value
|
||||
v = Ada.lovelaceValueOf 1000_000_000
|
||||
<> assetClassValue token1 1000
|
||||
<> assetClassValue token2 1000
|
||||
|
||||
currency1, currency2 :: CurrencySymbol
|
||||
currency1 = "aa"
|
||||
currency2 = "bb"
|
||||
|
||||
name1, name2 :: TokenName
|
||||
name1 = "A"
|
||||
name2 = "B"
|
||||
|
||||
token1, token2 :: AssetClass
|
||||
token1 = AssetClass (currency1, name1)
|
||||
token2 = AssetClass (currency2, name2)
|
||||
|
||||
myTrace :: EmulatorTrace ()
|
||||
myTrace = do
|
||||
h <- activateContractWallet (Wallet 1) startTS'
|
||||
callEndpoint @"start" h (currency1, name1)
|
||||
void $ Emulator.waitNSlots 5
|
||||
Last m <- observableState h
|
||||
case m of
|
||||
Nothing -> Extras.logError @String "error starting token sale"
|
||||
Just ts -> do
|
||||
Extras.logInfo $ "started token sale " ++ show ts
|
||||
|
||||
h1 <- activateContractWallet (Wallet 1) $ useTS ts
|
||||
h2 <- activateContractWallet (Wallet 2) $ useTS ts
|
||||
h3 <- activateContractWallet (Wallet 3) $ useTS ts
|
||||
|
||||
callEndpoint @"set price" h1 1_000_000
|
||||
void $ Emulator.waitNSlots 5
|
||||
|
||||
callEndpoint @"set price" h2 2_000_000
|
||||
void $ Emulator.waitNSlots 5
|
||||
|
||||
callEndpoint @"add tokens" h1 100
|
||||
void $ Emulator.waitNSlots 5
|
||||
|
||||
callEndpoint @"add tokens" h2 10
|
||||
void $ Emulator.waitNSlots 5
|
||||
|
||||
callEndpoint @"buy tokens" h2 20
|
||||
void $ Emulator.waitNSlots 5
|
||||
|
||||
callEndpoint @"buy tokens" h3 5
|
||||
void $ Emulator.waitNSlots 5
|
||||
|
||||
callEndpoint @"withdraw" h1 (40, 10_000_000)
|
||||
void $ Emulator.waitNSlots 5
|
||||
|
||||
callEndpoint @"withdraw" h2 (40, 10_000_000)
|
||||
void $ Emulator.waitNSlots 5
|
||||
Loading…
Reference in a new issue