plutus-pioneer-program/code/week08/test/Spec/Trace.hs
Lars Brünjes 64d795fbb2
test suite
2021-05-26 00:34:34 +02:00

93 lines
3.1 KiB
Haskell

{-# 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 Spec.Trace
( tests
, runMyTrace
) where
import Control.Lens
import Control.Monad hiding (fmap)
import Control.Monad.Freer.Extras as Extras
import Data.Default (Default (..))
import qualified Data.Map as Map
import Data.Monoid (Last (..))
import Ledger
import Ledger.Value
import Ledger.Ada as Ada
import Plutus.Contract.Test
import Plutus.Trace.Emulator as Emulator
import PlutusTx.Prelude
import Prelude (IO, String, Show (..))
import Test.Tasty
import Week08.TokenSale
tests :: TestTree
tests = checkPredicateOptions
(defaultCheckOptions & emulatorConfig .~ emCfg)
"token sale trace"
( walletFundsChange (Wallet 1) (Ada.lovelaceValueOf 10_000_000 <> assetClassValue token (-60))
.&&. walletFundsChange (Wallet 2) (Ada.lovelaceValueOf (-20_000_000) <> assetClassValue token 20)
.&&. walletFundsChange (Wallet 3) (Ada.lovelaceValueOf (- 5_000_000) <> assetClassValue token 5)
)
myTrace
runMyTrace :: IO ()
runMyTrace = runEmulatorTraceIO' def emCfg myTrace
emCfg :: EmulatorConfig
emCfg = EmulatorConfig $ Left $ Map.fromList [(Wallet w, v) | w <- [1 .. 3]]
where
v :: Value
v = Ada.lovelaceValueOf 1000_000_000 <> assetClassValue token 1000
currency :: CurrencySymbol
currency = "aa"
name :: TokenName
name = "A"
token :: AssetClass
token = AssetClass (currency, name)
myTrace :: EmulatorTrace ()
myTrace = do
h <- activateContractWallet (Wallet 1) startEndpoint
callEndpoint @"start" h (currency, name)
void $ Emulator.waitNSlots 5
Last m <- observableState h
case m of
Nothing -> Extras.logError @String "error starting token sale"
Just ts -> do
Extras.logInfo $ "started token sale " ++ show ts
h1 <- activateContractWallet (Wallet 1) $ useEndpoints ts
h2 <- activateContractWallet (Wallet 2) $ useEndpoints ts
h3 <- activateContractWallet (Wallet 3) $ useEndpoints ts
callEndpoint @"set price" h1 1_000_000
void $ Emulator.waitNSlots 5
callEndpoint @"add tokens" h1 100
void $ Emulator.waitNSlots 5
callEndpoint @"buy tokens" h2 20
void $ Emulator.waitNSlots 5
callEndpoint @"buy tokens" h3 5
void $ Emulator.waitNSlots 5
callEndpoint @"withdraw" h1 (40, 10_000_000)
void $ Emulator.waitNSlots 5