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closing a pool

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Lars Brünjes 2021-06-09 16:03:37 +02:00
parent 026a300bf4
commit 67daacefb5
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1 changed files with 20 additions and 2 deletions
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22
code/week10/app/uniswap-client.hs
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@ -51,6 +51,7 @@ main = do
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
Close tnA tnB -> closePool cid $ toCloseParams cs tnA tnB
Swap amtA tnA tnB -> swap cid $ toSwapParams cs amtA tnA tnB
go cid cs
@ -60,12 +61,13 @@ data Command =
| Create Integer Char Integer Char
| Add Integer Char Integer Char
| Remove Integer Char Char
| Close 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, Remove amt tnA 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, Close tnA tnB, Swap amtA tnA tnB"
s <- getLine
maybe readCommandIO return $ readMaybe s
@ -81,6 +83,9 @@ toAddParams cs amtA tnA amtB tnB = US.AddParams (toCoin cs tnA) (toCoin cs tnB)
toRemoveParams :: CurrencySymbol -> Integer -> Char -> Char -> US.RemoveParams
toRemoveParams cs amt tnA tnB = US.RemoveParams (toCoin cs tnA) (toCoin cs tnB) (US.Amount amt)
toCloseParams :: CurrencySymbol -> Char -> Char -> US.CloseParams
toCloseParams cs tnA tnB = US.CloseParams (toCoin cs tnA) (toCoin cs tnB)
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)
@ -88,7 +93,7 @@ showCoinHeader :: IO ()
showCoinHeader = printf "\n currency symbol token name amount\n\n"
showCoin :: CurrencySymbol -> TokenName -> Integer -> IO ()
showCoin cs tn amt = printf "%64s %66s %15d\n" (show cs) (show tn) amt
showCoin cs tn = printf "%64s %66s %15d\n" (show cs) (show tn)
getFunds :: UUID -> IO ()
getFunds cid = do
@ -166,6 +171,19 @@ removeLiquidity cid rp = do
Left err' -> putStrLn $ "error: " ++ show err'
_ -> go
closePool :: UUID -> US.CloseParams -> IO ()
closePool cid cp = do
callEndpoint cid "close" cp
threadDelay 2_000_000
go
where
go = do
e <- getStatus cid
case e of
Right US.Closed -> putStrLn "closed"
Left err' -> putStrLn $ "error: " ++ show err'
_ -> go
swap :: UUID -> US.SwapParams -> IO ()
swap cid sp = do
callEndpoint cid "swap" sp