mirror of
https://github.com/FiloSpaTeam/plutus-pioneer-program.git
synced 2024-11-22 06:42:00 +01:00
solution for week 7
This commit is contained in:
Lars Brünjes
parent
652764d17b
commit
475c6eda3f
3 changed files with 400 additions and 0 deletions
|
|
@ -11,8 +11,10 @@ License-files: LICENSE
|
||||||
library
|
library
|
||||||
hs-source-dirs: src
|
hs-source-dirs: src
|
||||||
exposed-modules: Week07.EvenOdd
|
exposed-modules: Week07.EvenOdd
|
||||||
|
, Week07.RockPaperScissors
|
||||||
, Week07.StateMachine
|
, Week07.StateMachine
|
||||||
, Week07.Test
|
, Week07.Test
|
||||||
|
, Week07.TestRockPaperScissors
|
||||||
, Week07.TestStateMachine
|
, Week07.TestStateMachine
|
||||||
build-depends: aeson
|
build-depends: aeson
|
||||||
, base ^>=4.14.1.0
|
, base ^>=4.14.1.0
|
||||||
|
|
|
||||||
302
code/week07/src/Week07/RockPaperScissors.hs
Normal file
302
code/week07/src/Week07/RockPaperScissors.hs
Normal file
|
|
@ -0,0 +1,302 @@
|
||||||
|
{-# LANGUAGE DataKinds #-}
|
||||||
|
{-# LANGUAGE DeriveAnyClass #-}
|
||||||
|
{-# LANGUAGE DeriveGeneric #-}
|
||||||
|
{-# LANGUAGE FlexibleContexts #-}
|
||||||
|
{-# LANGUAGE MultiParamTypeClasses #-}
|
||||||
|
{-# LANGUAGE NoImplicitPrelude #-}
|
||||||
|
{-# LANGUAGE OverloadedStrings #-}
|
||||||
|
{-# LANGUAGE ScopedTypeVariables #-}
|
||||||
|
{-# LANGUAGE TemplateHaskell #-}
|
||||||
|
{-# LANGUAGE TypeApplications #-}
|
||||||
|
{-# LANGUAGE TypeFamilies #-}
|
||||||
|
{-# LANGUAGE TypeOperators #-}
|
||||||
|
|
||||||
|
module Week07.RockPaperScissors
|
||||||
|
( Game (..)
|
||||||
|
, GameChoice (..)
|
||||||
|
, FirstParams (..)
|
||||||
|
, SecondParams (..)
|
||||||
|
, GameSchema
|
||||||
|
, endpoints
|
||||||
|
) where
|
||||||
|
|
||||||
|
import Control.Monad hiding (fmap)
|
||||||
|
import Data.Aeson (FromJSON, ToJSON)
|
||||||
|
import Data.Text (Text, pack)
|
||||||
|
import GHC.Generics (Generic)
|
||||||
|
import Plutus.Contract as Contract hiding (when)
|
||||||
|
import Plutus.Contract.StateMachine
|
||||||
|
import qualified PlutusTx
|
||||||
|
import PlutusTx.Prelude hiding (Semigroup(..), check, unless)
|
||||||
|
import Ledger hiding (singleton)
|
||||||
|
import Ledger.Ada as Ada
|
||||||
|
import Ledger.Constraints as Constraints
|
||||||
|
import Ledger.Typed.Tx
|
||||||
|
import qualified Ledger.Typed.Scripts as Scripts
|
||||||
|
import Ledger.Value
|
||||||
|
import Playground.Contract (ToSchema)
|
||||||
|
import Prelude (Semigroup (..))
|
||||||
|
import qualified Prelude
|
||||||
|
|
||||||
|
data Game = Game
|
||||||
|
{ gFirst :: !PubKeyHash
|
||||||
|
, gSecond :: !PubKeyHash
|
||||||
|
, gStake :: !Integer
|
||||||
|
, gPlayDeadline :: !Slot
|
||||||
|
, gRevealDeadline :: !Slot
|
||||||
|
, gToken :: !AssetClass
|
||||||
|
} deriving (Show, Generic, FromJSON, ToJSON, Prelude.Eq, Prelude.Ord)
|
||||||
|
|
||||||
|
PlutusTx.makeLift ''Game
|
||||||
|
|
||||||
|
data GameChoice = Rock | Paper | Scissors
|
||||||
|
deriving (Show, Generic, FromJSON, ToJSON, ToSchema, Prelude.Eq, Prelude.Ord)
|
||||||
|
|
||||||
|
instance Eq GameChoice where
|
||||||
|
{-# INLINABLE (==) #-}
|
||||||
|
Rock == Rock = True
|
||||||
|
Paper == Paper = True
|
||||||
|
Scissors == Scissors = True
|
||||||
|
_ == _ = False
|
||||||
|
|
||||||
|
PlutusTx.unstableMakeIsData ''GameChoice
|
||||||
|
|
||||||
|
{-# INLINABLE beats #-}
|
||||||
|
beats :: GameChoice -> GameChoice -> Bool
|
||||||
|
beats Rock Scissors = True
|
||||||
|
beats Paper Rock = True
|
||||||
|
beats Scissors Paper = True
|
||||||
|
beats _ _ = False
|
||||||
|
|
||||||
|
data GameDatum = GameDatum ByteString (Maybe GameChoice) | Finished
|
||||||
|
deriving Show
|
||||||
|
|
||||||
|
instance Eq GameDatum where
|
||||||
|
{-# INLINABLE (==) #-}
|
||||||
|
GameDatum bs mc == GameDatum bs' mc' = (bs == bs') && (mc == mc')
|
||||||
|
Finished == Finished = True
|
||||||
|
_ == _ = False
|
||||||
|
|
||||||
|
PlutusTx.unstableMakeIsData ''GameDatum
|
||||||
|
|
||||||
|
data GameRedeemer = Play GameChoice | Reveal ByteString GameChoice | ClaimFirst | ClaimSecond
|
||||||
|
deriving Show
|
||||||
|
|
||||||
|
PlutusTx.unstableMakeIsData ''GameRedeemer
|
||||||
|
|
||||||
|
{-# INLINABLE lovelaces #-}
|
||||||
|
lovelaces :: Value -> Integer
|
||||||
|
lovelaces = Ada.getLovelace . Ada.fromValue
|
||||||
|
|
||||||
|
{-# INLINABLE gameDatum #-}
|
||||||
|
gameDatum :: TxOut -> (DatumHash -> Maybe Datum) -> Maybe GameDatum
|
||||||
|
gameDatum o f = do
|
||||||
|
dh <- txOutDatum o
|
||||||
|
Datum d <- f dh
|
||||||
|
PlutusTx.fromData d
|
||||||
|
|
||||||
|
{-# INLINABLE transition #-}
|
||||||
|
transition :: Game -> State GameDatum -> GameRedeemer -> Maybe (TxConstraints Void Void, State GameDatum)
|
||||||
|
transition game s r = case (stateValue s, stateData s, r) of
|
||||||
|
(v, GameDatum bs Nothing, Play c)
|
||||||
|
| lovelaces v == gStake game -> Just ( Constraints.mustBeSignedBy (gSecond game) <>
|
||||||
|
Constraints.mustValidateIn (to $ gPlayDeadline game)
|
||||||
|
, State (GameDatum bs $ Just c) (lovelaceValueOf $ 2 * gStake game)
|
||||||
|
)
|
||||||
|
(v, GameDatum _ (Just c), Reveal _ c')
|
||||||
|
| (lovelaces v == (2 * gStake game)) &&
|
||||||
|
(c' `beats` c) -> Just ( Constraints.mustBeSignedBy (gFirst game) <>
|
||||||
|
Constraints.mustValidateIn (to $ gRevealDeadline game) <>
|
||||||
|
Constraints.mustPayToPubKey (gFirst game) token
|
||||||
|
, State Finished mempty
|
||||||
|
)
|
||||||
|
|
||||||
|
| (lovelaces v == (2 * gStake game)) &&
|
||||||
|
(c' == c) -> Just ( Constraints.mustBeSignedBy (gFirst game) <>
|
||||||
|
Constraints.mustValidateIn (to $ gRevealDeadline game) <>
|
||||||
|
Constraints.mustPayToPubKey (gFirst game) token <>
|
||||||
|
Constraints.mustPayToPubKey (gSecond game)
|
||||||
|
(lovelaceValueOf $ gStake game)
|
||||||
|
, State Finished mempty
|
||||||
|
)
|
||||||
|
(v, GameDatum _ Nothing, ClaimFirst)
|
||||||
|
| lovelaces v == gStake game -> Just ( Constraints.mustBeSignedBy (gFirst game) <>
|
||||||
|
Constraints.mustValidateIn (from $ 1 + gPlayDeadline game) <>
|
||||||
|
Constraints.mustPayToPubKey (gFirst game) token
|
||||||
|
, State Finished mempty
|
||||||
|
)
|
||||||
|
(v, GameDatum _ (Just _), ClaimSecond)
|
||||||
|
| lovelaces v == (2 * gStake game) -> Just ( Constraints.mustBeSignedBy (gSecond game) <>
|
||||||
|
Constraints.mustValidateIn (from $ 1 + gRevealDeadline game) <>
|
||||||
|
Constraints.mustPayToPubKey (gFirst game) token
|
||||||
|
, State Finished mempty
|
||||||
|
)
|
||||||
|
_ -> Nothing
|
||||||
|
where
|
||||||
|
token :: Value
|
||||||
|
token = assetClassValue (gToken game) 1
|
||||||
|
|
||||||
|
{-# INLINABLE final #-}
|
||||||
|
final :: GameDatum -> Bool
|
||||||
|
final Finished = True
|
||||||
|
final _ = False
|
||||||
|
|
||||||
|
{-# INLINABLE check #-}
|
||||||
|
check :: ByteString -> ByteString -> ByteString -> GameDatum -> GameRedeemer -> ScriptContext -> Bool
|
||||||
|
check bsRock' bsPaper' bsScissors' (GameDatum bs (Just _)) (Reveal nonce c) _ =
|
||||||
|
sha2_256 (nonce `concatenate` toBS c) == bs
|
||||||
|
where
|
||||||
|
toBS :: GameChoice -> ByteString
|
||||||
|
toBS Rock = bsRock'
|
||||||
|
toBS Paper = bsPaper'
|
||||||
|
toBS Scissors = bsScissors'
|
||||||
|
check _ _ _ _ _ _ = True
|
||||||
|
|
||||||
|
{-# INLINABLE gameStateMachine #-}
|
||||||
|
gameStateMachine :: Game -> ByteString -> ByteString -> ByteString -> StateMachine GameDatum GameRedeemer
|
||||||
|
gameStateMachine game bsRock' bsPaper' bsScissors' = StateMachine
|
||||||
|
{ smTransition = transition game
|
||||||
|
, smFinal = final
|
||||||
|
, smCheck = check bsRock' bsPaper' bsScissors'
|
||||||
|
, smThreadToken = Just $ gToken game
|
||||||
|
}
|
||||||
|
|
||||||
|
{-# INLINABLE mkGameValidator #-}
|
||||||
|
mkGameValidator :: Game -> ByteString -> ByteString -> ByteString -> GameDatum -> GameRedeemer -> ScriptContext -> Bool
|
||||||
|
mkGameValidator game bsRock' bsPaper' bsScissors' = mkValidator $ gameStateMachine game bsRock' bsPaper' bsScissors'
|
||||||
|
|
||||||
|
type Gaming = StateMachine GameDatum GameRedeemer
|
||||||
|
|
||||||
|
bsRock, bsPaper, bsScissors :: ByteString
|
||||||
|
bsRock = "R"
|
||||||
|
bsPaper = "P"
|
||||||
|
bsScissors = "S"
|
||||||
|
|
||||||
|
gameStateMachine' :: Game -> StateMachine GameDatum GameRedeemer
|
||||||
|
gameStateMachine' game = gameStateMachine game bsRock bsPaper bsScissors
|
||||||
|
|
||||||
|
gameInst :: Game -> Scripts.ScriptInstance Gaming
|
||||||
|
gameInst game = Scripts.validator @Gaming
|
||||||
|
($$(PlutusTx.compile [|| mkGameValidator ||])
|
||||||
|
`PlutusTx.applyCode` PlutusTx.liftCode game
|
||||||
|
`PlutusTx.applyCode` PlutusTx.liftCode bsRock
|
||||||
|
`PlutusTx.applyCode` PlutusTx.liftCode bsPaper
|
||||||
|
`PlutusTx.applyCode` PlutusTx.liftCode bsScissors)
|
||||||
|
$$(PlutusTx.compile [|| wrap ||])
|
||||||
|
where
|
||||||
|
wrap = Scripts.wrapValidator @GameDatum @GameRedeemer
|
||||||
|
|
||||||
|
gameValidator :: Game -> Validator
|
||||||
|
gameValidator = Scripts.validatorScript . gameInst
|
||||||
|
|
||||||
|
gameAddress :: Game -> Ledger.Address
|
||||||
|
gameAddress = scriptAddress . gameValidator
|
||||||
|
|
||||||
|
gameClient :: Game -> StateMachineClient GameDatum GameRedeemer
|
||||||
|
gameClient game = mkStateMachineClient $ StateMachineInstance (gameStateMachine' game) (gameInst game)
|
||||||
|
|
||||||
|
data FirstParams = FirstParams
|
||||||
|
{ fpSecond :: !PubKeyHash
|
||||||
|
, fpStake :: !Integer
|
||||||
|
, fpPlayDeadline :: !Slot
|
||||||
|
, fpRevealDeadline :: !Slot
|
||||||
|
, fpNonce :: !ByteString
|
||||||
|
, fpCurrency :: !CurrencySymbol
|
||||||
|
, fpTokenName :: !TokenName
|
||||||
|
, fpChoice :: !GameChoice
|
||||||
|
} deriving (Show, Generic, FromJSON, ToJSON, ToSchema)
|
||||||
|
|
||||||
|
mapError' :: Contract w s SMContractError a -> Contract w s Text a
|
||||||
|
mapError' = mapError $ pack . show
|
||||||
|
|
||||||
|
firstGame :: forall w s. HasBlockchainActions s => FirstParams -> Contract w s Text ()
|
||||||
|
firstGame fp = do
|
||||||
|
pkh <- pubKeyHash <$> Contract.ownPubKey
|
||||||
|
let game = Game
|
||||||
|
{ gFirst = pkh
|
||||||
|
, gSecond = fpSecond fp
|
||||||
|
, gStake = fpStake fp
|
||||||
|
, gPlayDeadline = fpPlayDeadline fp
|
||||||
|
, gRevealDeadline = fpRevealDeadline fp
|
||||||
|
, gToken = AssetClass (fpCurrency fp, fpTokenName fp)
|
||||||
|
}
|
||||||
|
client = gameClient game
|
||||||
|
v = lovelaceValueOf (fpStake fp)
|
||||||
|
c = fpChoice fp
|
||||||
|
x = case c of
|
||||||
|
Rock -> bsRock
|
||||||
|
Paper -> bsPaper
|
||||||
|
Scissors -> bsScissors
|
||||||
|
bs = sha2_256 $ fpNonce fp `concatenate` x
|
||||||
|
void $ mapError' $ runInitialise client (GameDatum bs Nothing) v
|
||||||
|
logInfo @String $ "made first move: " ++ show (fpChoice fp)
|
||||||
|
|
||||||
|
void $ awaitSlot $ 1 + fpPlayDeadline fp
|
||||||
|
|
||||||
|
m <- mapError' $ getOnChainState client
|
||||||
|
case m of
|
||||||
|
Nothing -> throwError "game output not found"
|
||||||
|
Just ((o, _), _) -> case tyTxOutData o of
|
||||||
|
|
||||||
|
GameDatum _ Nothing -> do
|
||||||
|
logInfo @String "second player did not play"
|
||||||
|
void $ mapError' $ runStep client ClaimFirst
|
||||||
|
logInfo @String "first player reclaimed stake"
|
||||||
|
|
||||||
|
GameDatum _ (Just c') | c `beats` c' || c' == c -> do
|
||||||
|
logInfo @String "second player played and lost or drew"
|
||||||
|
void $ mapError' $ runStep client $ Reveal (fpNonce fp) c
|
||||||
|
logInfo @String "first player revealed and won or drew"
|
||||||
|
|
||||||
|
_ -> logInfo @String "second player played and won"
|
||||||
|
|
||||||
|
data SecondParams = SecondParams
|
||||||
|
{ spFirst :: !PubKeyHash
|
||||||
|
, spStake :: !Integer
|
||||||
|
, spPlayDeadline :: !Slot
|
||||||
|
, spRevealDeadline :: !Slot
|
||||||
|
, spCurrency :: !CurrencySymbol
|
||||||
|
, spTokenName :: !TokenName
|
||||||
|
, spChoice :: !GameChoice
|
||||||
|
} deriving (Show, Generic, FromJSON, ToJSON, ToSchema)
|
||||||
|
|
||||||
|
secondGame :: forall w s. HasBlockchainActions s => SecondParams -> Contract w s Text ()
|
||||||
|
secondGame sp = do
|
||||||
|
pkh <- pubKeyHash <$> Contract.ownPubKey
|
||||||
|
let game = Game
|
||||||
|
{ gFirst = spFirst sp
|
||||||
|
, gSecond = pkh
|
||||||
|
, gStake = spStake sp
|
||||||
|
, gPlayDeadline = spPlayDeadline sp
|
||||||
|
, gRevealDeadline = spRevealDeadline sp
|
||||||
|
, gToken = AssetClass (spCurrency sp, spTokenName sp)
|
||||||
|
}
|
||||||
|
client = gameClient game
|
||||||
|
m <- mapError' $ getOnChainState client
|
||||||
|
case m of
|
||||||
|
Nothing -> logInfo @String "no running game found"
|
||||||
|
Just ((o, _), _) -> case tyTxOutData o of
|
||||||
|
GameDatum _ Nothing -> do
|
||||||
|
logInfo @String "running game found"
|
||||||
|
void $ mapError' $ runStep client $ Play $ spChoice sp
|
||||||
|
logInfo @String $ "made second move: " ++ show (spChoice sp)
|
||||||
|
|
||||||
|
void $ awaitSlot $ 1 + spRevealDeadline sp
|
||||||
|
|
||||||
|
m' <- mapError' $ getOnChainState client
|
||||||
|
case m' of
|
||||||
|
Nothing -> logInfo @String "first player won or drew"
|
||||||
|
Just _ -> do
|
||||||
|
logInfo @String "first player didn't reveal"
|
||||||
|
void $ mapError' $ runStep client ClaimSecond
|
||||||
|
logInfo @String "second player won"
|
||||||
|
|
||||||
|
_ -> throwError "unexpected datum"
|
||||||
|
|
||||||
|
type GameSchema = BlockchainActions .\/ Endpoint "first" FirstParams .\/ Endpoint "second" SecondParams
|
||||||
|
|
||||||
|
endpoints :: Contract () GameSchema Text ()
|
||||||
|
endpoints = (first `select` second) >> endpoints
|
||||||
|
where
|
||||||
|
first = endpoint @"first" >>= firstGame
|
||||||
|
second = endpoint @"second" >>= secondGame
|
||||||
96
code/week07/src/Week07/TestRockPaperScissors.hs
Normal file
96
code/week07/src/Week07/TestRockPaperScissors.hs
Normal file
|
|
@ -0,0 +1,96 @@
|
||||||
|
{-# LANGUAGE DataKinds #-}
|
||||||
|
{-# LANGUAGE DeriveAnyClass #-}
|
||||||
|
{-# LANGUAGE DeriveGeneric #-}
|
||||||
|
{-# LANGUAGE FlexibleContexts #-}
|
||||||
|
{-# LANGUAGE MultiParamTypeClasses #-}
|
||||||
|
{-# LANGUAGE NoImplicitPrelude #-}
|
||||||
|
{-# LANGUAGE NumericUnderscores #-}
|
||||||
|
{-# LANGUAGE OverloadedStrings #-}
|
||||||
|
{-# LANGUAGE ScopedTypeVariables #-}
|
||||||
|
{-# LANGUAGE TemplateHaskell #-}
|
||||||
|
{-# LANGUAGE TypeApplications #-}
|
||||||
|
{-# LANGUAGE TypeFamilies #-}
|
||||||
|
{-# LANGUAGE TypeOperators #-}
|
||||||
|
|
||||||
|
module Week07.TestRockPaperScissors where
|
||||||
|
|
||||||
|
import Control.Monad hiding (fmap)
|
||||||
|
import Control.Monad.Freer.Extras as Extras
|
||||||
|
import Data.Default (Default (..))
|
||||||
|
import qualified Data.Map as Map
|
||||||
|
import Ledger
|
||||||
|
import Ledger.Value
|
||||||
|
import Ledger.Ada as Ada
|
||||||
|
import Plutus.Trace.Emulator as Emulator
|
||||||
|
import PlutusTx.Prelude
|
||||||
|
import Wallet.Emulator.Wallet
|
||||||
|
|
||||||
|
import Week07.RockPaperScissors
|
||||||
|
|
||||||
|
test :: IO ()
|
||||||
|
test = do
|
||||||
|
test' Rock Rock
|
||||||
|
test' Rock Paper
|
||||||
|
test' Rock Scissors
|
||||||
|
test' Paper Rock
|
||||||
|
test' Paper Paper
|
||||||
|
test' Paper Scissors
|
||||||
|
test' Scissors Rock
|
||||||
|
test' Scissors Paper
|
||||||
|
test' Scissors Scissors
|
||||||
|
|
||||||
|
test' :: GameChoice -> GameChoice -> IO ()
|
||||||
|
test' c1 c2 = runEmulatorTraceIO' def emCfg $ myTrace c1 c2
|
||||||
|
where
|
||||||
|
emCfg :: EmulatorConfig
|
||||||
|
emCfg = EmulatorConfig $ Left $ Map.fromList
|
||||||
|
[ (Wallet 1, v <> assetClassValue (AssetClass (gameTokenCurrency, gameTokenName)) 1)
|
||||||
|
, (Wallet 2, v)
|
||||||
|
]
|
||||||
|
|
||||||
|
v :: Value
|
||||||
|
v = Ada.lovelaceValueOf 1000_000_000
|
||||||
|
|
||||||
|
gameTokenCurrency :: CurrencySymbol
|
||||||
|
gameTokenCurrency = "ff"
|
||||||
|
|
||||||
|
gameTokenName :: TokenName
|
||||||
|
gameTokenName = "STATE TOKEN"
|
||||||
|
|
||||||
|
myTrace :: GameChoice -> GameChoice -> EmulatorTrace ()
|
||||||
|
myTrace c1 c2 = do
|
||||||
|
Extras.logInfo $ "first move: " ++ show c1 ++ ", second move: " ++ show c2
|
||||||
|
|
||||||
|
h1 <- activateContractWallet (Wallet 1) endpoints
|
||||||
|
h2 <- activateContractWallet (Wallet 2) endpoints
|
||||||
|
|
||||||
|
let pkh1 = pubKeyHash $ walletPubKey $ Wallet 1
|
||||||
|
pkh2 = pubKeyHash $ walletPubKey $ Wallet 2
|
||||||
|
|
||||||
|
fp = FirstParams
|
||||||
|
{ fpSecond = pkh2
|
||||||
|
, fpStake = 5000000
|
||||||
|
, fpPlayDeadline = 5
|
||||||
|
, fpRevealDeadline = 10
|
||||||
|
, fpNonce = "SECRETNONCE"
|
||||||
|
, fpCurrency = gameTokenCurrency
|
||||||
|
, fpTokenName = gameTokenName
|
||||||
|
, fpChoice = c1
|
||||||
|
}
|
||||||
|
sp = SecondParams
|
||||||
|
{ spFirst = pkh1
|
||||||
|
, spStake = 5000000
|
||||||
|
, spPlayDeadline = 5
|
||||||
|
, spRevealDeadline = 10
|
||||||
|
, spCurrency = gameTokenCurrency
|
||||||
|
, spTokenName = gameTokenName
|
||||||
|
, spChoice = c2
|
||||||
|
}
|
||||||
|
|
||||||
|
callEndpoint @"first" h1 fp
|
||||||
|
|
||||||
|
void $ Emulator.waitNSlots 3
|
||||||
|
|
||||||
|
callEndpoint @"second" h2 sp
|
||||||
|
|
||||||
|
void $ Emulator.waitNSlots 10
|
||||||
Loading…
Reference in a new issue