mirror of
https://github.com/FiloSpaTeam/plutus-pioneer-program.git
synced 2024-11-14 02:42:35 +01:00
first working version
This commit is contained in:
Lars Brünjes
parent
0e622f33c6
commit
b4e6f8886a
3 changed files with 194 additions and 25 deletions
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@ -18,6 +18,7 @@ library
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, containers
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, data-default
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, freer-extras
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, lens
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, playground-common
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, plutus-contract
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, plutus-ledger
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@ -26,6 +27,7 @@ library
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, plutus-tx
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, plutus-use-cases
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, prettyprinter
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, QuickCheck
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, text
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default-language: Haskell2010
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ghc-options: -Wall -fobject-code -fno-ignore-interface-pragmas -fno-omit-interface-pragmas -fno-strictness -fno-spec-constr -fno-specialise
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@ -2,10 +2,13 @@
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{-# LANGUAGE DeriveAnyClass #-}
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{-# LANGUAGE DeriveGeneric #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE GADTs #-}
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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 StandaloneDeriving #-}
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{-# LANGUAGE TemplateHaskell #-}
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{-# LANGUAGE TypeApplications #-}
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{-# LANGUAGE TypeFamilies #-}
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@ -13,23 +16,175 @@
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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 Control.Lens hiding (elements)
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import Control.Monad (void, when)
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import Data.Map (Map)
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import qualified Data.Map as Map
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import Data.Maybe (isJust, isNothing)
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import Data.Monoid (Last (..))
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import Data.Text (Text)
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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 Plutus.Contract.Test.ContractModel
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import Plutus.Trace.Emulator
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import Ledger hiding (singleton)
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import Ledger.Ada as Ada
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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 Test.QuickCheck
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import Week08.TokenSale
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data TSState = TSState
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{ _tssPrice :: !Integer
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, _tssLovelace :: !Integer
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, _tssToken :: !Integer
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} deriving Show
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makeLenses ''TSState
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newtype TSModel = TSModel {_tsModel :: Map Wallet TSState}
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deriving Show
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makeLenses ''TSModel
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instance ContractModel TSModel where
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data Action TSModel = Start Wallet | TSAction Wallet Wallet TSRedeemer
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deriving (Show, Eq)
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data ContractInstanceKey TSModel w s e where
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StartKey :: Wallet -> ContractInstanceKey TSModel (Last TokenSale) TSStartSchema' Text
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UseKey :: Wallet -> Wallet -> ContractInstanceKey TSModel () TSUseSchema Text
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arbitraryAction _ = oneof $
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(Start <$> genSeller) :
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[ (\v w p -> TSAction v w $ SetPrice p) <$> genSeller <*> genUser <*> arbitrary ] ++
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[ (\v w n -> TSAction v w $ AddTokens n) <$> genSeller <*> genUser <*> arbitrary ] ++
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[ (\v w n -> TSAction v w $ BuyTokens n) <$> genSeller <*> genUser <*> arbitrary ] ++
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[ (\v w n l -> TSAction v w $ Withdraw n l) <$> genSeller <*> genUser <*> arbitrary <*> arbitrary ]
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initialState = TSModel Map.empty
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nextState (Start w) = do
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withdraw w $ nfts Map.! w
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(tsModel . at w) $= Just (TSState 0 0 0)
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wait 1
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nextState (TSAction v w (SetPrice p)) = when (v == w) $ do
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(tsModel . ix v . tssPrice) $= p
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wait 1
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nextState (TSAction v w (AddTokens n)) = do
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started <- hasStarted v -- has the token sale started?
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when (n > 0 && started) $ do
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bc <- askModelState $ view $ balanceChange w
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let token = tokens Map.! v
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when (assetClassValueOf bc token >= n) $ do -- does the wallet have the tokens to give?
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withdraw w $ assetClassValue token n
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(tsModel . ix v . tssToken) $~ (+ n)
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wait 1
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nextState (TSAction v w (BuyTokens n)) = do
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when (n > 0) $ do
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m <- getTSState v
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case m of
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Just t
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| t ^. tssToken >= n -> do
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let p = t ^. tssPrice
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l = p * n
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withdraw w $ lovelaceValueOf l
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deposit w $ assetClassValue (tokens Map.! v) n
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(tsModel . ix v . tssLovelace) $~ (+ l)
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(tsModel . ix v . tssToken) $~ (+ (- n))
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_ -> return ()
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wait 1
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nextState (TSAction v w (Withdraw n l)) = when (v == w) $ do
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withdraw w $ lovelaceValueOf l <> assetClassValue (tokens Map.! v) n
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(tsModel . ix v . tssLovelace) $~ (+ (- l))
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(tsModel . ix v . tssToken) $~ (+ (- n))
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wait 1
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perform h _ cmd = case cmd of
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(Start w) -> callEndpoint @"start" (h $ StartKey w) (css Map.! w, tokenCurrency, tokenNames Map.! w) >> delay 1
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(TSAction v w (SetPrice p)) -> callEndpoint @"set price" (h $ UseKey v w) p >> delay 1
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(TSAction v w (AddTokens n)) -> callEndpoint @"add tokens" (h $ UseKey v w) n >> delay 1
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(TSAction v w (BuyTokens n)) -> callEndpoint @"buy tokens" (h $ UseKey v w) n >> delay 1
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(TSAction v w (Withdraw n l)) -> callEndpoint @"withdraw" (h $ UseKey v w) (n, l) >> delay 1
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precondition s (Start w) = isNothing $ getTSState' s w
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precondition _ _ = True
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deriving instance Eq (ContractInstanceKey TSModel w s e)
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deriving instance Show (ContractInstanceKey TSModel w s e)
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getTSState' :: ModelState TSModel -> Wallet -> Maybe TSState
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getTSState' s v = s ^. contractState . tsModel . at v
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getTSState :: Wallet -> Spec TSModel (Maybe TSState)
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getTSState v = do
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s <- getModelState
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return $ getTSState' s v
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hasStarted :: Wallet -> Spec TSModel Bool
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hasStarted v = isJust <$> getTSState v
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w1, w2, w3, w4 :: Wallet
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w1 = Wallet 1
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w2 = Wallet 2
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w3 = Wallet 3
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w4 = Wallet 4
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tokenCurrency :: CurrencySymbol
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tokenCurrency = "ff"
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tokenNames :: Map Wallet TokenName
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tokenNames = Map.fromList [(w1, "A"), (w2, "B")]
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tokens :: Map Wallet AssetClass
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tokens = (\tn -> AssetClass (tokenCurrency, tn)) <$> tokenNames
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wallets :: [Wallet]
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wallets = [w1, w2, w3, w4]
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css :: Map Wallet CurrencySymbol
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css = Map.fromList [(w1, "01"), (w2, "02")]
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nfts :: Map Wallet Value
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nfts = (\cs -> assetClassValue (AssetClass (cs, nftName)) 1) <$> css
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tss :: Map Wallet TokenSale
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tss = Map.fromList
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[ (w, TokenSale (pubKeyHash $ walletPubKey w) (tokens Map.! w) $ AssetClass (css Map.! w, nftName))
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| w <- [w1, w2]
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]
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delay :: Int -> EmulatorTrace ()
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delay = void . waitNSlots . fromIntegral
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instanceSpec :: [ContractInstanceSpec TSModel]
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instanceSpec =
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[ContractInstanceSpec (StartKey w) w $ startTS'' | w <- [w1, w2]] ++
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[ContractInstanceSpec (UseKey v w) w $ useTS $ tss Map.! v | v <- [w1, w2], w <- [w3, w4]]
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genSeller, genUser :: Gen Wallet
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genSeller = elements [w1, w2]
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genUser = elements [w3, w4]
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prop_TS :: Actions TSModel -> Property
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prop_TS = propRunActionsWithOptions
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(defaultCheckOptions & emulatorConfig .~ EmulatorConfig (Left d))
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instanceSpec
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(const $ pure True)
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where
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d :: InitialDistribution
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d = Map.fromList $ [ ( w
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, lovelaceValueOf 1000_000_000 <>
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(nfts Map.! w) <>
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mconcat [assetClassValue t 1000 | t <- Map.elems tokens])
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| w <- [w1, w2]
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] ++
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[(w, lovelaceValueOf 1000_000_000) | w <- [w3, w4]]
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test :: IO ()
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test = quickCheck prop_TS
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@ -13,9 +13,13 @@
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module Week08.TokenSale
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( TokenSale (..)
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, TSRedeemer (..)
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, nftName
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, TSStartSchema
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, TSStartSchema'
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, TSUseSchema
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, startTS'
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, startTS''
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, useTS
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) where
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@ -50,7 +54,7 @@ data TSRedeemer =
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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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deriving (Show, Prelude.Eq)
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PlutusTx.unstableMakeIsData ''TSRedeemer
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@ -113,14 +117,16 @@ 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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startTS :: HasBlockchainActions s => Maybe CurrencySymbol -> AssetClass -> Contract (Last TokenSale) s Text ()
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startTS mcs 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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cs <- case mcs of
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Nothing -> C.currencySymbol <$> mapErrorC (C.forgeContract pkh [(nftName, 1)])
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Just cs' -> return cs'
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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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, tsNFT = AssetClass (cs, 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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@ -139,8 +145,9 @@ 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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type TSStartSchema = BlockchainActions .\/ Endpoint "start" (CurrencySymbol, TokenName)
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type TSStartSchema' = BlockchainActions .\/ Endpoint "start" (CurrencySymbol, 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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@ -149,7 +156,12 @@ type TSUseSchema = BlockchainActions
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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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start = endpoint @"start" >>= startTS Nothing . AssetClass
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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" >>= \(cs1, cs2, tn) -> startTS (Just cs1) $ AssetClass (cs2, tn)
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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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