/
PSGenerator.hs
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/
PSGenerator.hs
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{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DerivingStrategies #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE StandaloneDeriving #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE TypeOperators #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
module PSGenerator
( generate
) where
import API (RunResult)
import qualified API
import qualified Auth
import Control.Applicative ((<|>))
import Control.Lens (set, (&))
import Control.Monad.Reader (MonadReader)
import qualified Data.ByteString as BS
import qualified Data.ByteString.Char8 as BS8
import Data.Monoid ()
import Data.Proxy (Proxy (Proxy))
import qualified Data.Set as Set ()
import qualified Data.Text.Encoding as T ()
import qualified Data.Text.IO as T ()
import Data.Time as DT
import qualified Escrow
import GHC.Generics (Generic)
import Language.Haskell.Interpreter (CompilationError, InterpreterError,
InterpreterResult, SourceCode, Warning)
import qualified Language.Marlowe.ACTUS.Definitions.ContractTerms as CT
import Language.Marlowe.Pretty (pretty)
import Language.PureScript.Bridge (BridgePart, Language (Haskell), Language (Haskell),
PSType, SumType, TypeInfo (TypeInfo), buildBridge,
genericShow, mkSumType, psTypeParameters, typeModule,
typeName, writePSTypesWith, writePSTypesWith, (^==))
import Language.PureScript.Bridge.Builder (BridgeData)
import Language.PureScript.Bridge.CodeGenSwitches (ForeignOptions (ForeignOptions), defaultSwitch,
genForeign)
import Language.PureScript.Bridge.PSTypes (psNumber)
import Language.PureScript.Bridge.TypeParameters (A)
import Marlowe.Contracts (couponBondGuaranteed, escrow, swap, zeroCouponBond)
import qualified Marlowe.Symbolic.Types.Request as MSReq
import qualified Marlowe.Symbolic.Types.Response as MSRes
import qualified Option
import qualified PSGenerator.Common
import Servant ((:<|>))
import Servant.PureScript (HasBridge, Settings, apiModuleName, defaultBridge,
defaultSettings, languageBridge,
writeAPIModuleWithSettings, _generateSubscriberAPI)
import qualified Swap
import System.Directory (createDirectoryIfMissing)
import System.FilePath ((</>))
import WebSocket (WebSocketRequestMessage, WebSocketResponseMessage)
import qualified ZeroCouponBond
psContract :: MonadReader BridgeData m => m PSType
psContract =
TypeInfo "marlowe-playground-client" "Marlowe.Semantics" "Contract" <$>
psTypeParameters
contractBridge :: BridgePart
contractBridge = do
typeName ^== "Contract"
typeModule ^== "Language.Marlowe.Semantics"
psContract
doubleBridge :: BridgePart
doubleBridge = typeName ^== "Double" >> return psNumber
myBridge :: BridgePart
myBridge =
PSGenerator.Common.aesonBridge <|> PSGenerator.Common.containersBridge <|>
PSGenerator.Common.languageBridge <|>
PSGenerator.Common.ledgerBridge <|>
PSGenerator.Common.servantBridge <|>
PSGenerator.Common.miscBridge <|>
doubleBridge <|>
contractBridge <|>
defaultBridge
data MyBridge
myBridgeProxy :: Proxy MyBridge
myBridgeProxy = Proxy
instance HasBridge MyBridge where
languageBridge _ = buildBridge myBridge
deriving instance Generic DT.Day
myTypes :: [SumType 'Haskell]
myTypes =
PSGenerator.Common.ledgerTypes <>
PSGenerator.Common.walletTypes <>
PSGenerator.Common.playgroundTypes <>
[ mkSumType (Proxy @RunResult)
, mkSumType (Proxy @SourceCode)
, mkSumType (Proxy @CompilationError)
, mkSumType (Proxy @InterpreterError)
, mkSumType (Proxy @Warning)
, mkSumType (Proxy @(InterpreterResult A))
, mkSumType (Proxy @MSRes.Response)
, (genericShow <*> mkSumType) (Proxy @MSRes.Result)
, mkSumType (Proxy @MSReq.Request)
, mkSumType (Proxy @DT.Day)
, mkSumType (Proxy @CT.ContractTerms)
, mkSumType (Proxy @CT.PYTP)
, mkSumType (Proxy @CT.PREF)
, mkSumType (Proxy @CT.SCEF)
, mkSumType (Proxy @CT.Cycle)
, mkSumType (Proxy @CT.Period)
, mkSumType (Proxy @CT.Stub)
, mkSumType (Proxy @CT.ScheduleConfig)
, mkSumType (Proxy @CT.DCC)
, mkSumType (Proxy @CT.BDC)
, mkSumType (Proxy @CT.EOMC)
, mkSumType (Proxy @CT.ContractStatus)
, mkSumType (Proxy @CT.FEB)
, mkSumType (Proxy @CT.ContractRole)
, mkSumType (Proxy @CT.ContractType)
, (genericShow <*> mkSumType) (Proxy @WebSocketRequestMessage)
, (genericShow <*> mkSumType) (Proxy @WebSocketResponseMessage)
]
mySettings :: Settings
mySettings =
(defaultSettings & set apiModuleName "Marlowe")
{_generateSubscriberAPI = False}
multilineString :: BS.ByteString -> BS.ByteString -> BS.ByteString
multilineString name value =
"\n\n" <> name <> " :: String\n" <> name <> " = \"\"\"" <> value <> "\"\"\""
psModule :: BS.ByteString -> BS.ByteString -> BS.ByteString
psModule name body = "module " <> name <> " where" <> body
writeUsecases :: FilePath -> IO ()
writeUsecases outputDir = do
let haskellUsecases =
multilineString "escrow" escrow
<> multilineString "zeroCouponBond" zeroCouponBond
<> multilineString "couponBondGuaranteed" couponBondGuaranteed
<> multilineString "swap" swap
haskellUsecasesModule = psModule "Examples.Haskell.Contracts" haskellUsecases
createDirectoryIfMissing True (outputDir </> "Examples" </> "Haskell")
BS.writeFile (outputDir </> "Examples" </> "Haskell" </> "Contracts.purs") haskellUsecasesModule
let contractToString = BS8.pack . show . pretty
marloweUsecases =
multilineString "escrow" (contractToString Escrow.contract)
<> multilineString "zeroCouponBond" (contractToString ZeroCouponBond.contract)
<> multilineString "option" (contractToString Option.contract)
<> multilineString "swap" (contractToString Swap.contract)
marloweUsecasesModule = psModule "Examples.Marlowe.Contracts" marloweUsecases
createDirectoryIfMissing True (outputDir </> "Examples" </> "Marlowe")
BS.writeFile (outputDir </> "Examples" </> "Marlowe" </> "Contracts.purs") marloweUsecasesModule
putStrLn outputDir
generate :: FilePath -> IO ()
generate outputDir = do
writeAPIModuleWithSettings
mySettings
outputDir
myBridgeProxy
(Proxy @(API.API :<|> Auth.FrontendAPI))
writePSTypesWith (defaultSwitch <> genForeign (ForeignOptions True)) outputDir (buildBridge myBridge) myTypes
writeUsecases outputDir