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refactoring
This commit is contained in:
Lars Brünjes
parent
395ebef4a8
commit
b5ce65494d
2 changed files with 81 additions and 31 deletions
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@ -15,50 +15,75 @@ module Main
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( main
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) where
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import Control.Monad (void)
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import Control.Monad (forM_, void, when)
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import Control.Monad.Freer (Eff, Member, interpret, type (~>))
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import Control.Monad.Freer.Error (Error)
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import Control.Monad.Freer.Extras.Log (LogMsg)
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import Control.Monad.IO.Class (MonadIO (..))
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import Data.Aeson (FromJSON, ToJSON)
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import Data.Aeson (FromJSON, ToJSON, Result (..), fromJSON)
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import Data.Monoid (Last (..))
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import Data.Text (Text, pack)
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import Data.Text.Prettyprint.Doc (Pretty (..), viaShow)
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import GHC.Generics (Generic)
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import Plutus.Contract (BlockchainActions, ContractError)
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import Ledger
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import Ledger.Constraints
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import qualified Ledger.Value as Value
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import Plutus.Contract hiding (when)
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import Plutus.PAB.Effects.Contract (ContractEffect (..))
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import Plutus.PAB.Effects.Contract.Builtin (Builtin, SomeBuiltin (..), type (.\\), endpointsToSchemas, handleBuiltin)
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import Plutus.PAB.Effects.ContractTest.Uniswap as US
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import Plutus.PAB.Monitoring.PABLogMsg (PABMultiAgentMsg)
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import Plutus.PAB.Simulator (SimulatorEffectHandlers)
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import qualified Plutus.PAB.Simulator as Simulator
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import Plutus.PAB.Types (PABError (..))
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import qualified Plutus.PAB.Webserver.Server as PAB.Server
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import qualified Plutus.Contracts.Currency as Currency
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import Wallet.Emulator.Types (Wallet (..))
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import Wallet.Emulator.Types (Wallet (..), walletPubKey)
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import qualified Week06.Oracle.Core as Oracle
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import qualified Week06.Oracle.Funds as Oracle
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import qualified Week06.Oracle.Swap as Oracle
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main :: IO ()
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main = void $ Simulator.runSimulationWith handlers $ do
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Simulator.logString @(Builtin OracleContracts) "Starting Oracle PAB webserver on port 8080. Press enter to exit."
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Simulator.logString @(Builtin OracleContracts) "Starting Oracle PAB webserver. Press enter to exit."
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shutdown <- PAB.Server.startServerDebug
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cidOracle <- Simulator.activateContract (Wallet 1) Oracle
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forM_ wallets $ \w ->
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void $ Simulator.activateContract w Funds
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cidInit <- Simulator.activateContract (Wallet 1) Init
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cs <- waitForLast cidInit
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_ <- Simulator.waitUntilFinished cidInit
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cidOracle <- Simulator.activateContract (Wallet 1) $ Oracle cs
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void $ liftIO getLine
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shutdown
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data OracleContracts = Oracle | Swap Oracle.Oracle
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waitForLast :: FromJSON a => ContractInstanceId -> Simulator.Simulation t a
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waitForLast cid =
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flip Simulator.waitForState cid $ \json -> case fromJSON json of
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Success (Last (Just x)) -> Just x
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_ -> Nothing
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data OracleContracts = Init | Oracle CurrencySymbol | Funds | Swap Oracle.Oracle
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deriving (Eq, Ord, Show, Generic, FromJSON, ToJSON)
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instance Pretty OracleContracts where
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pretty = viaShow
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oracleParams :: Oracle.OracleParams
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oracleParams = Oracle.OracleParams
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wallets :: [Wallet]
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wallets = [Wallet i | i <- [1 .. 5]]
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usdt :: TokenName
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usdt = "USDT"
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oracleParams :: CurrencySymbol -> Oracle.OracleParams
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oracleParams cs = Oracle.OracleParams
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{ Oracle.opFees = 1_000_000
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, Oracle.opSymbol = "ff"
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, Oracle.opToken = "USDT"
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, Oracle.opSymbol = cs
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, Oracle.opToken = usdt
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}
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handleOracleContracts ::
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@ -69,13 +94,36 @@ handleOracleContracts ::
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~> Eff effs
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handleOracleContracts = handleBuiltin getSchema getContract where
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getSchema = \case
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Oracle -> endpointsToSchemas @(Oracle.OracleSchema .\\ BlockchainActions)
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Init -> endpointsToSchemas @Empty
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Oracle _ -> endpointsToSchemas @(Oracle.OracleSchema .\\ BlockchainActions)
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Funds -> endpointsToSchemas @Empty
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Swap _ -> endpointsToSchemas @(Oracle.SwapSchema .\\ BlockchainActions)
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getContract = \case
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Oracle -> SomeBuiltin $ Oracle.runOracle oracleParams
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Init -> SomeBuiltin initContract
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Oracle cs -> SomeBuiltin $ Oracle.runOracle $ oracleParams cs
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Funds -> SomeBuiltin $ Oracle.ownFunds'
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Swap oracle -> SomeBuiltin $ Oracle.swap oracle
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handlers :: SimulatorEffectHandlers (Builtin OracleContracts)
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handlers =
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Simulator.mkSimulatorHandlers @(Builtin OracleContracts) []
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$ interpret handleOracleContracts
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initContract :: Contract (Last CurrencySymbol) BlockchainActions Text ()
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initContract = do
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ownPK <- pubKeyHash <$> ownPubKey
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cur <-
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mapError (pack . show)
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(Currency.forgeContract ownPK [(usdt, fromIntegral (length wallets) * amount)]
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:: Contract (Last CurrencySymbol) BlockchainActions Currency.CurrencyError Currency.OneShotCurrency)
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let cs = Currency.currencySymbol cur
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v = Value.singleton cs usdt amount
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forM_ wallets $ \w -> do
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let pkh = pubKeyHash $ walletPubKey w
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when (pkh /= ownPK) $ do
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tx <- submitTx $ mustPayToPubKey pkh v
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awaitTxConfirmed $ txId tx
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tell $ Last $ Just cs
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where
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amount :: Integer
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amount = 100_000_000
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@ -34,7 +34,7 @@ library
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executable oracle
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main-is: oracle.hs
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hs-source-dirs: app
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ghc-options: -threaded
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ghc-options: -Wall -threaded
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build-depends: aeson
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, base ^>= 4.14.1.0
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, freer-extras
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@ -43,4 +43,6 @@ executable oracle
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, plutus-ledger
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, plutus-pab
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, plutus-pioneer-program-week06
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, plutus-use-cases
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, prettyprinter
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, text
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