mirror of
https://github.com/FiloSpaTeam/plutus-pioneer-program.git
synced 2024-11-14 19:02:53 +01:00
222 lines
8.3 KiB
Haskell
222 lines
8.3 KiB
Haskell
{-# LANGUAGE DataKinds #-}
|
|
{-# LANGUAGE DeriveAnyClass #-}
|
|
{-# LANGUAGE DeriveGeneric #-}
|
|
{-# LANGUAGE FlexibleContexts #-}
|
|
{-# LANGUAGE FlexibleInstances #-}
|
|
{-# LANGUAGE GADTs #-}
|
|
{-# LANGUAGE MultiParamTypeClasses #-}
|
|
{-# LANGUAGE NumericUnderscores #-}
|
|
{-# LANGUAGE OverloadedStrings #-}
|
|
{-# LANGUAGE ScopedTypeVariables #-}
|
|
{-# LANGUAGE StandaloneDeriving #-}
|
|
{-# LANGUAGE TemplateHaskell #-}
|
|
{-# LANGUAGE TypeApplications #-}
|
|
{-# LANGUAGE TypeFamilies #-}
|
|
{-# LANGUAGE TypeOperators #-}
|
|
|
|
module Spec.Model
|
|
( tests
|
|
, test
|
|
, TSModel (..)
|
|
) where
|
|
|
|
import Control.Lens hiding (elements)
|
|
import Control.Monad (void, when)
|
|
import Data.Map (Map)
|
|
import qualified Data.Map as Map
|
|
import Data.Maybe (isJust, isNothing)
|
|
import Data.Monoid (Last (..))
|
|
import Data.String (IsString (..))
|
|
import Data.Text (Text)
|
|
import Plutus.Contract.Test
|
|
import Plutus.Contract.Test.ContractModel
|
|
import Plutus.Trace.Emulator
|
|
import Ledger hiding (singleton)
|
|
import Ledger.Ada as Ada
|
|
import Ledger.Value
|
|
import Test.QuickCheck
|
|
import Test.Tasty
|
|
import Test.Tasty.QuickCheck
|
|
|
|
import Week08.TokenSale (TokenSale (..), TSStartSchema', TSUseSchema, startEndpoint', useEndpoints, nftName)
|
|
|
|
data TSState = TSState
|
|
{ _tssPrice :: !Integer
|
|
, _tssLovelace :: !Integer
|
|
, _tssToken :: !Integer
|
|
} deriving Show
|
|
|
|
makeLenses ''TSState
|
|
|
|
newtype TSModel = TSModel {_tsModel :: Map Wallet TSState}
|
|
deriving Show
|
|
|
|
makeLenses ''TSModel
|
|
|
|
tests :: TestTree
|
|
tests = testProperty "token sale model" prop_TS
|
|
|
|
instance ContractModel TSModel where
|
|
|
|
data Action TSModel =
|
|
Start Wallet
|
|
| SetPrice Wallet Wallet Integer
|
|
| AddTokens Wallet Wallet Integer
|
|
| Withdraw Wallet Wallet Integer Integer
|
|
| BuyTokens Wallet Wallet Integer
|
|
deriving (Show, Eq)
|
|
|
|
data ContractInstanceKey TSModel w s e where
|
|
StartKey :: Wallet -> ContractInstanceKey TSModel (Last TokenSale) TSStartSchema' Text
|
|
UseKey :: Wallet -> Wallet -> ContractInstanceKey TSModel () TSUseSchema Text
|
|
|
|
instanceTag key _ = fromString $ "instance tag for: " ++ show key
|
|
|
|
arbitraryAction _ = oneof $
|
|
(Start <$> genWallet) :
|
|
[ SetPrice <$> genWallet <*> genWallet <*> genNonNeg ] ++
|
|
[ AddTokens <$> genWallet <*> genWallet <*> genNonNeg ] ++
|
|
[ BuyTokens <$> genWallet <*> genWallet <*> genNonNeg ] ++
|
|
[ Withdraw <$> genWallet <*> genWallet <*> genNonNeg <*> genNonNeg ]
|
|
|
|
initialState = TSModel Map.empty
|
|
|
|
nextState (Start w) = do
|
|
withdraw w $ nfts Map.! w
|
|
(tsModel . at w) $= Just (TSState 0 0 0)
|
|
wait 1
|
|
|
|
nextState (SetPrice v w p) = do
|
|
when (v == w) $
|
|
(tsModel . ix v . tssPrice) $= p
|
|
wait 1
|
|
|
|
nextState (AddTokens v w n) = do
|
|
started <- hasStarted v -- has the token sale started?
|
|
when (n > 0 && started) $ do
|
|
bc <- askModelState $ view $ balanceChange w
|
|
let token = tokens Map.! v
|
|
when (tokenAmt + assetClassValueOf bc token >= n) $ do -- does the wallet have the tokens to give?
|
|
withdraw w $ assetClassValue token n
|
|
(tsModel . ix v . tssToken) $~ (+ n)
|
|
wait 1
|
|
|
|
nextState (BuyTokens v w n) = do
|
|
when (n > 0) $ do
|
|
m <- getTSState v
|
|
case m of
|
|
Just t
|
|
| t ^. tssToken >= n -> do
|
|
let p = t ^. tssPrice
|
|
l = p * n
|
|
withdraw w $ lovelaceValueOf l
|
|
deposit w $ assetClassValue (tokens Map.! v) n
|
|
(tsModel . ix v . tssLovelace) $~ (+ l)
|
|
(tsModel . ix v . tssToken) $~ (+ (- n))
|
|
_ -> return ()
|
|
wait 1
|
|
|
|
nextState (Withdraw v w n l) = do
|
|
when (v == w) $ do
|
|
m <- getTSState v
|
|
case m of
|
|
Just t
|
|
| t ^. tssToken >= n && t ^. tssLovelace >= l -> do
|
|
deposit w $ lovelaceValueOf l <> assetClassValue (tokens Map.! w) n
|
|
(tsModel . ix v . tssLovelace) $~ (+ (- l))
|
|
(tsModel . ix v . tssToken) $~ (+ (- n))
|
|
_ -> return ()
|
|
wait 1
|
|
|
|
perform h _ cmd = case cmd of
|
|
(Start w) -> callEndpoint @"start" (h $ StartKey w) (nftCurrencies Map.! w, tokenCurrencies Map.! w, tokenNames Map.! w) >> delay 1
|
|
(SetPrice v w p) -> callEndpoint @"set price" (h $ UseKey v w) p >> delay 1
|
|
(AddTokens v w n) -> callEndpoint @"add tokens" (h $ UseKey v w) n >> delay 1
|
|
(BuyTokens v w n) -> callEndpoint @"buy tokens" (h $ UseKey v w) n >> delay 1
|
|
(Withdraw v w n l) -> callEndpoint @"withdraw" (h $ UseKey v w) (n, l) >> delay 1
|
|
|
|
precondition s (Start w) = isNothing $ getTSState' s w
|
|
precondition s (SetPrice v _ _) = isJust $ getTSState' s v
|
|
precondition s (AddTokens v _ _) = isJust $ getTSState' s v
|
|
precondition s (BuyTokens v _ _) = isJust $ getTSState' s v
|
|
precondition s (Withdraw v _ _ _) = isJust $ getTSState' s v
|
|
|
|
deriving instance Eq (ContractInstanceKey TSModel w s e)
|
|
deriving instance Show (ContractInstanceKey TSModel w s e)
|
|
|
|
getTSState' :: ModelState TSModel -> Wallet -> Maybe TSState
|
|
getTSState' s v = s ^. contractState . tsModel . at v
|
|
|
|
getTSState :: Wallet -> Spec TSModel (Maybe TSState)
|
|
getTSState v = do
|
|
s <- getModelState
|
|
return $ getTSState' s v
|
|
|
|
hasStarted :: Wallet -> Spec TSModel Bool
|
|
hasStarted v = isJust <$> getTSState v
|
|
|
|
w1, w2 :: Wallet
|
|
w1 = Wallet 1
|
|
w2 = Wallet 2
|
|
|
|
wallets :: [Wallet]
|
|
wallets = [w1, w2]
|
|
|
|
tokenCurrencies, nftCurrencies :: Map Wallet CurrencySymbol
|
|
tokenCurrencies = Map.fromList $ zip wallets ["aa", "bb"]
|
|
nftCurrencies = Map.fromList $ zip wallets ["01", "02"]
|
|
|
|
tokenNames :: Map Wallet TokenName
|
|
tokenNames = Map.fromList $ zip wallets ["A", "B"]
|
|
|
|
tokens :: Map Wallet AssetClass
|
|
tokens = Map.fromList [(w, AssetClass (tokenCurrencies Map.! w, tokenNames Map.! w)) | w <- wallets]
|
|
|
|
nftAssets :: Map Wallet AssetClass
|
|
nftAssets = Map.fromList [(w, AssetClass (nftCurrencies Map.! w, nftName)) | w <- wallets]
|
|
|
|
nfts :: Map Wallet Value
|
|
nfts = Map.fromList [(w, assetClassValue (nftAssets Map.! w) 1) | w <- wallets]
|
|
|
|
tss :: Map Wallet TokenSale
|
|
tss = Map.fromList
|
|
[ (w, TokenSale { tsSeller = pubKeyHash $ walletPubKey w
|
|
, tsToken = tokens Map.! w
|
|
, tsNFT = nftAssets Map.! w
|
|
})
|
|
| w <- wallets
|
|
]
|
|
|
|
delay :: Int -> EmulatorTrace ()
|
|
delay = void . waitNSlots . fromIntegral
|
|
|
|
instanceSpec :: [ContractInstanceSpec TSModel]
|
|
instanceSpec =
|
|
[ContractInstanceSpec (StartKey w) w startEndpoint' | w <- wallets] ++
|
|
[ContractInstanceSpec (UseKey v w) w $ useEndpoints $ tss Map.! v | v <- wallets, w <- wallets]
|
|
|
|
genWallet :: Gen Wallet
|
|
genWallet = elements wallets
|
|
|
|
genNonNeg :: Gen Integer
|
|
genNonNeg = getNonNegative <$> arbitrary
|
|
|
|
tokenAmt :: Integer
|
|
tokenAmt = 1_000
|
|
|
|
prop_TS :: Actions TSModel -> Property
|
|
prop_TS = withMaxSuccess 100 . propRunActionsWithOptions
|
|
(defaultCheckOptions & emulatorConfig .~ EmulatorConfig (Left d))
|
|
instanceSpec
|
|
(const $ pure True)
|
|
where
|
|
d :: InitialDistribution
|
|
d = Map.fromList $ [ ( w
|
|
, lovelaceValueOf 1000_000_000 <>
|
|
(nfts Map.! w) <>
|
|
mconcat [assetClassValue t tokenAmt | t <- Map.elems tokens])
|
|
| w <- wallets
|
|
]
|
|
|
|
test :: IO ()
|
|
test = quickCheck prop_TS
|