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adding liquidity

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Lars Brünjes 2021-06-09 15:51:57 +02:00
parent c77890da1f
commit 67f69605b7
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GPG key ID: B488B9045DC1A087
1 changed files with 20 additions and 3 deletions
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23
code/week10/app/uniswap-client.hs
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@ -11,14 +11,13 @@ import Control.Exception
import Control.Monad (forM_, when)
import Control.Monad.IO.Class (MonadIO (..))
import Data.Aeson (Result (..), ToJSON, decode, fromJSON)
import qualified Data.ByteString.Char8 as B8
import qualified Data.ByteString.Lazy as LB
import Data.Monoid (Last (..))
import Data.Proxy (Proxy (..))
import Data.String (IsString (..))
import Data.Text (Text, pack)
import Data.UUID hiding (fromString)
import Ledger.Value (AssetClass (..), CurrencySymbol, Value, flattenValue, TokenName (unTokenName))
import Ledger.Value (AssetClass (..), CurrencySymbol, Value, flattenValue, TokenName)
import Network.HTTP.Req
import qualified Plutus.Contracts.Uniswap as US
import Plutus.PAB.Events.ContractInstanceState (PartiallyDecodedResponse (..))
@ -50,6 +49,7 @@ main = do
Funds -> getFunds cid
Pools -> getPools cid
Create amtA tnA amtB tnB -> createPool cid $ toCreateParams cs amtA tnA amtB tnB
Add amtA tnA amtB tnB -> addLiquidity cid $ toAddParams cs amtA tnA amtB tnB
Swap amtA tnA tnB -> swap cid $ toSwapParams cs amtA tnA tnB
go cid cs
@ -57,12 +57,13 @@ data Command =
Funds
| Pools
| Create Integer Char Integer Char
| Add Integer Char Integer Char
| Swap Integer Char Char
deriving (Show, Read, Eq, Ord)
readCommandIO :: IO Command
readCommandIO = do
putStrLn "Enter a command: Funds, Pools, Create amtA tnA amtB tnB, Swap amtA tnA tnB"
putStrLn "Enter a command: Funds, Pools, Create amtA tnA amtB tnB, Add amtA tnA amtB tnB, Swap amtA tnA tnB"
s <- getLine
maybe readCommandIO return $ readMaybe s
@ -72,6 +73,9 @@ toCoin cs tn = US.Coin $ AssetClass (cs, fromString [tn])
toCreateParams :: CurrencySymbol -> Integer -> Char -> Integer -> Char -> US.CreateParams
toCreateParams cs amtA tnA amtB tnB = US.CreateParams (toCoin cs tnA) (toCoin cs tnB) (US.Amount amtA) (US.Amount amtB)
toAddParams :: CurrencySymbol -> Integer -> Char -> Integer -> Char -> US.AddParams
toAddParams cs amtA tnA amtB tnB = US.AddParams (toCoin cs tnA) (toCoin cs tnB) (US.Amount amtA) (US.Amount amtB)
toSwapParams :: CurrencySymbol -> Integer -> Char -> Char -> US.SwapParams
toSwapParams cs amtA tnA tnB = US.SwapParams (toCoin cs tnA) (toCoin cs tnB) (US.Amount amtA) (US.Amount 0)
@ -131,6 +135,19 @@ createPool cid cp = do
Left err' -> putStrLn $ "error: " ++ show err'
_ -> go
addLiquidity :: UUID -> US.AddParams -> IO ()
addLiquidity cid ap = do
callEndpoint cid "add" ap
threadDelay 2_000_000
go
where
go = do
e <- getStatus cid
case e of
Right US.Added -> putStrLn "added"
Left err' -> putStrLn $ "error: " ++ show err'
_ -> go
swap :: UUID -> US.SwapParams -> IO ()
swap cid sp = do
callEndpoint cid "swap" sp