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https://github.com/FiloSpaTeam/plutus-pioneer-program.git
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changed endpoints
This commit is contained in:
Lars Brünjes
parent
b4e6f8886a
commit
d3af622a71
3 changed files with 110 additions and 75 deletions
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@ -31,7 +31,7 @@ import Ledger.Ada as Ada
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import Ledger.Value
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import Test.QuickCheck
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import Week08.TokenSale
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import Week08.TokenSale (TokenSale (..), TSOperateSchema', TSUseSchema, useTS, operateTS'', nftName)
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data TSState = TSState
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{ _tssPrice :: !Integer
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@ -48,19 +48,24 @@ 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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data Action TSModel =
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Start Wallet
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| SetPrice Wallet Integer
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| AddTokens Wallet Integer
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| Withdraw Wallet Integer Integer
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| BuyTokens Wallet Wallet Integer
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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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OperateKey :: Wallet -> ContractInstanceKey TSModel (Last TokenSale) TSOperateSchema' 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) <$> genSeller <*> genUser <*> arbitrary <*> arbitrary ]
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[ SetPrice <$> genSeller <*> genNonNeg ] ++
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[ AddTokens <$> genSeller <*> genNonNeg ] ++
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[ Withdraw <$> genSeller <*> genNonNeg <*> genNonNeg ] ++
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[ BuyTokens <$> genSeller <*> genUser <*> genNonNeg ]
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initialState = TSModel Map.empty
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@ -69,21 +74,21 @@ instance ContractModel TSModel where
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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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nextState (SetPrice w p) = do
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(tsModel . ix w . 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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nextState (AddTokens w n) = do
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started <- hasStarted w -- 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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let token = tokens Map.! w
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when (tokenAmt + 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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(tsModel . ix w . tssToken) $~ (+ n)
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wait 1
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nextState (TSAction v w (BuyTokens n)) = do
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nextState (BuyTokens v w 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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@ -98,18 +103,23 @@ instance ContractModel TSModel where
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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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nextState (Withdraw w n l) = do
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m <- getTSState w
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case m of
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Just t
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| t ^. tssToken >= n && t ^. tssLovelace >= l -> do
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deposit w $ lovelaceValueOf l <> assetClassValue (tokens Map.! w) n
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(tsModel . ix w . tssLovelace) $~ (+ (- l))
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(tsModel . ix w . tssToken) $~ (+ (- n))
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_ -> return ()
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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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(Start w) -> callEndpoint @"start" (h $ OperateKey w) (css Map.! w, tokenCurrency, tokenNames Map.! w) >> delay 1
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(SetPrice w p) -> callEndpoint @"set price" (h $ OperateKey w) p >> delay 1
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(AddTokens w n) -> callEndpoint @"add tokens" (h $ OperateKey w) n >> delay 1
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(Withdraw w n l) -> callEndpoint @"withdraw" (h $ OperateKey w) (n, l) >> delay 1
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(BuyTokens v w n) -> callEndpoint @"buy tokens" (h $ UseKey v w) n >> delay 1
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precondition s (Start w) = isNothing $ getTSState' s w
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precondition _ _ = True
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@ -163,15 +173,21 @@ 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 (OperateKey w) w $ operateTS'' | 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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genNonNeg :: Gen Integer
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genNonNeg = getNonNegative <$> arbitrary
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tokenAmt :: Integer
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tokenAmt = 1_000
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prop_TS :: Actions TSModel -> Property
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prop_TS = propRunActionsWithOptions
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prop_TS = withMaxSuccess 1000 . 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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@ -180,7 +196,7 @@ prop_TS = propRunActionsWithOptions
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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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mconcat [assetClassValue t tokenAmt | 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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@ -188,3 +204,14 @@ prop_TS = propRunActionsWithOptions
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test :: IO ()
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test = quickCheck prop_TS
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unitTest :: IO ()
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unitTest = quickCheck $ withMaxSuccess 1 $ prop_TS $ Actions
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[ Start (Wallet 1),
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SetPrice (Wallet 1) 2,
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AddTokens (Wallet 1) 4,
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BuyTokens (Wallet 1) (Wallet 3) 4,
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AddTokens (Wallet 1) 6,
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Withdraw (Wallet 1) 2 7
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]
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@ -15,11 +15,11 @@ 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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, TSOperateSchema
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, TSOperateSchema'
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, TSUseSchema
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, startTS'
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, startTS''
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, operateTS'
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, operateTS''
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, useTS
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) where
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@ -65,18 +65,19 @@ 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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(v, _, SetPrice p) | p >= 0 -> 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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(v, p, AddTokens n) | n > 0 -> 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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(v, p, BuyTokens n) | n > 0 -> 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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(v, p, Withdraw n l) | n >= 0 && l >= 0 -> 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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_ -> Nothing
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where
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nft :: Integer -> Value
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nft = assetClassValue (tsNFT ts)
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@ -117,7 +118,7 @@ mapErrorSM = mapError $ pack . show
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nftName :: TokenName
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nftName = "NFT"
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startTS :: HasBlockchainActions s => Maybe CurrencySymbol -> AssetClass -> Contract (Last TokenSale) s Text ()
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startTS :: HasBlockchainActions s => Maybe CurrencySymbol -> AssetClass -> Contract (Last TokenSale) s Text TokenSale
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startTS mcs token = do
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pkh <- pubKeyHash <$> Contract.ownPubKey
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cs <- case mcs of
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@ -132,12 +133,13 @@ startTS mcs token = do
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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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return 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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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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@ -145,28 +147,44 @@ 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 TSStartSchema' = BlockchainActions .\/ Endpoint "start" (CurrencySymbol, CurrencySymbol, TokenName)
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type TSUseSchema = BlockchainActions
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type TSOperateSchema = BlockchainActions
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.\/ Endpoint "start" (CurrencySymbol, TokenName)
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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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type TSOperateSchema' = BlockchainActions
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.\/ Endpoint "start" (CurrencySymbol, CurrencySymbol, TokenName)
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.\/ Endpoint "set price" Integer
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.\/ Endpoint "add tokens" Integer
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.\/ Endpoint "withdraw" (Integer, Integer)
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type TSUseSchema = BlockchainActions .\/ Endpoint "buy tokens" Integer
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startTS' :: Contract (Last TokenSale) TSStartSchema Text ()
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startTS' = start >> startTS'
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operateTS :: forall s.
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( HasBlockchainActions s
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, HasEndpoint "set price" Integer s
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, HasEndpoint "add tokens" Integer s
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, HasEndpoint "withdraw" (Integer, Integer) s
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)
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=> Maybe CurrencySymbol
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-> CurrencySymbol
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-> TokenName
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-> Contract (Last TokenSale) s Text ()
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operateTS mcs cs tn = startTS mcs (AssetClass (cs, tn)) >>= go
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where
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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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go :: TokenSale -> Contract (Last TokenSale) s Text ()
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go ts = (setPrice' `select` addTokens' `select` withdraw') >> go 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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operateTS' :: Contract (Last TokenSale) TSOperateSchema Text ()
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operateTS' = endpoint @"start" >>= uncurry (operateTS Nothing)
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operateTS'' :: Contract (Last TokenSale) TSOperateSchema' Text ()
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operateTS'' = endpoint @"start" >>= \(cs1, cs2, tn) -> operateTS (Just cs1) cs2 tn
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useTS :: TokenSale -> Contract () TSUseSchema Text ()
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useTS ts = buyTokens' >> useTS ts
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where
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buyTokens' = handleError logError $ endpoint @"buy tokens" >>= buyTokens ts
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@ -56,31 +56,24 @@ token2 = AssetClass (currency2, name2)
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myTrace :: EmulatorTrace ()
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myTrace = do
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h <- activateContractWallet (Wallet 1) startTS'
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callEndpoint @"start" h (currency1, name1)
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h1 <- activateContractWallet (Wallet 1) operateTS'
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callEndpoint @"start" h1 (currency1, name1)
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void $ Emulator.waitNSlots 5
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Last m <- observableState h
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Last m <- observableState h1
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case m of
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Nothing -> Extras.logError @String "error starting token sale"
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Just ts -> do
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Extras.logInfo $ "started token sale " ++ show ts
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h1 <- activateContractWallet (Wallet 1) $ useTS ts
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h2 <- activateContractWallet (Wallet 2) $ useTS ts
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h3 <- activateContractWallet (Wallet 3) $ useTS ts
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callEndpoint @"set price" h1 1_000_000
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void $ Emulator.waitNSlots 5
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callEndpoint @"set price" h2 2_000_000
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void $ Emulator.waitNSlots 5
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callEndpoint @"add tokens" h1 100
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void $ Emulator.waitNSlots 5
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callEndpoint @"add tokens" h2 10
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void $ Emulator.waitNSlots 5
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callEndpoint @"buy tokens" h2 20
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void $ Emulator.waitNSlots 5
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@ -89,6 +82,3 @@ myTrace = do
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callEndpoint @"withdraw" h1 (40, 10_000_000)
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void $ Emulator.waitNSlots 5
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callEndpoint @"withdraw" h2 (40, 10_000_000)
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void $ Emulator.waitNSlots 5
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