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removing liquidity

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Lars Brünjes 2021-06-09 15:57:14 +02:00
parent 67f69605b7
commit 026a300bf4
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GPG key ID: B488B9045DC1A087
1 changed files with 19 additions and 1 deletions
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20
code/week10/app/uniswap-client.hs
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@ -50,6 +50,7 @@ main = do
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
Remove amt tnA tnB -> removeLiquidity cid $ toRemoveParams cs amt tnA tnB
Swap amtA tnA tnB -> swap cid $ toSwapParams cs amtA tnA tnB
go cid cs
@ -58,12 +59,13 @@ data Command =
| Pools
| Create Integer Char Integer Char
| Add Integer Char Integer Char
| Remove Integer Char 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, Add amtA tnA amtB tnB, Swap amtA tnA tnB"
putStrLn "Enter a command: Funds, Pools, Create amtA tnA amtB tnB, Add amtA tnA amtB tnB, Remove amt tnA tnB, Swap amtA tnA tnB"
s <- getLine
maybe readCommandIO return $ readMaybe s
@ -76,6 +78,9 @@ toCreateParams cs amtA tnA amtB tnB = US.CreateParams (toCoin cs tnA) (toCoin cs
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)
toRemoveParams :: CurrencySymbol -> Integer -> Char -> Char -> US.RemoveParams
toRemoveParams cs amt tnA tnB = US.RemoveParams (toCoin cs tnA) (toCoin cs tnB) (US.Amount amt)
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)
@ -148,6 +153,19 @@ addLiquidity cid ap = do
Left err' -> putStrLn $ "error: " ++ show err'
_ -> go
removeLiquidity :: UUID -> US.RemoveParams -> IO ()
removeLiquidity cid rp = do
callEndpoint cid "remove" rp
threadDelay 2_000_000
go
where
go = do
e <- getStatus cid
case e of
Right US.Removed -> putStrLn "removed"
Left err' -> putStrLn $ "error: " ++ show err'
_ -> go
swap :: UUID -> US.SwapParams -> IO ()
swap cid sp = do
callEndpoint cid "swap" sp