cryptsy-api (empty) → 0.1
raw patch · 23 files changed
+2204/−0 lines, 23 filesdep +HTTPdep +aesondep +basesetup-changed
Dependencies added: HTTP, aeson, base, bytestring, deepseq, either, errors, network, old-locale, text, time, transformers, unordered-containers, vector
Files
- LICENSE +661/−0
- LICENSE.GPL-3 +674/−0
- Setup.hs +2/−0
- cryptsy-api.cabal +56/−0
- src/Cryptsy/API/Public.hs +17/−0
- src/Cryptsy/API/Public/Internal.hs +93/−0
- src/Cryptsy/API/Public/Market.hs +36/−0
- src/Cryptsy/API/Public/MarketData/New.hs +25/−0
- src/Cryptsy/API/Public/MarketData/Old.hs +25/−0
- src/Cryptsy/API/Public/OrderBook.hs +37/−0
- src/Cryptsy/API/Public/OrderData.hs +62/−0
- src/Cryptsy/API/Public/Types.hs +24/−0
- src/Cryptsy/API/Public/Types/Error.hs +20/−0
- src/Cryptsy/API/Public/Types/Internal.hs +30/−0
- src/Cryptsy/API/Public/Types/Market.hs +84/−0
- src/Cryptsy/API/Public/Types/MarketData.hs +49/−0
- src/Cryptsy/API/Public/Types/Monad.hs +22/−0
- src/Cryptsy/API/Public/Types/Num.hs +29/−0
- src/Cryptsy/API/Public/Types/Order.hs +46/−0
- src/Cryptsy/API/Public/Types/OrderBook.hs +66/−0
- src/Cryptsy/API/Public/Types/Time.hs +28/−0
- src/Cryptsy/API/Public/Types/Trade.hs +53/−0
- src/Main.hs +65/−0
+ LICENSE view
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+ LICENSE.GPL-3 view
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+ Setup.hs view
@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain
+ cryptsy-api.cabal view
@@ -0,0 +1,56 @@+name: cryptsy-api+version: 0.1+synopsis: Bindings for Cryptsy cryptocurrency exchange API.+description: Bindings for Cryptsy cryptocurrency exchange API.+license: OtherLicense+license-file: LICENSE+author: Boyd Stephen Smith Jr.+maintainer: bss@iguanasuicide.net+copyright: 2013 Boyd Stephen Smith Jr.+category: Web+build-type: Simple+cabal-version: >=1.8+extra-source-files: LICENSE.GPL-3+ , src/Main.hs++source-repository head+ type: git+ location: https://git.gitorious.org/haskell-cryptsy-api/haskell-cryptsy-api.git++library+ exposed-modules: Cryptsy.API.Public+ , Cryptsy.API.Public.MarketData.Old+ , Cryptsy.API.Public.MarketData.New+ , Cryptsy.API.Public.Market+ , Cryptsy.API.Public.OrderData+ , Cryptsy.API.Public.OrderBook+ , Cryptsy.API.Public.Types+ , Cryptsy.API.Public.Types.MarketData+ , Cryptsy.API.Public.Types.Market+ , Cryptsy.API.Public.Types.Trade+ , Cryptsy.API.Public.Types.Time+ , Cryptsy.API.Public.Types.OrderBook+ , Cryptsy.API.Public.Types.Order+ , Cryptsy.API.Public.Types.Num+ , Cryptsy.API.Public.Types.Monad+ , Cryptsy.API.Public.Types.Error++ other-modules: Cryptsy.API.Public.Internal+ , Cryptsy.API.Public.Types.Internal++ build-depends: base ==4.6.*+ , HTTP ==4000.2.*+ , either ==4.0.*+ , text ==0.11.*+ , transformers ==0.3.*+ , unordered-containers ==0.2.*+ , vector ==0.10.*+ , aeson ==0.6.*+ , errors ==1.4.*+ , network ==2.4.*+ , bytestring ==0.10.*+ , deepseq ==1.3.*+ , old-locale ==1.0.*+ , time ==1.4.*++ hs-source-dirs: src
+ src/Cryptsy/API/Public.hs view
@@ -0,0 +1,17 @@+-- |Re-exports the entire Cryptsy.API.Public.* heirarchy.+module Cryptsy.API.Public+ ( module Cryptsy.API.Public.Types+ , module Cryptsy.API.Public.MarketData.Old+ , module Cryptsy.API.Public.MarketData.New+ , module Cryptsy.API.Public.Market+ , module Cryptsy.API.Public.OrderData+ , module Cryptsy.API.Public.OrderBook+ )+where++import Cryptsy.API.Public.Market+import Cryptsy.API.Public.MarketData.New+import Cryptsy.API.Public.MarketData.Old+import Cryptsy.API.Public.OrderBook+import Cryptsy.API.Public.OrderData+import Cryptsy.API.Public.Types
+ src/Cryptsy/API/Public/Internal.hs view
@@ -0,0 +1,93 @@+{-# LANGUAGE ViewPatterns #-}+-- |Implementations shared across two or more modules.+module Cryptsy.API.Public.Internal where++-- HTTP+import Network.Browser (request)+import Network.HTTP.Base (defaultGETRequest_, rspBody, rspCode)++-- aeson+import Data.Aeson (Value(Object), eitherDecode, withObject)+import Data.Aeson.Types (Parser, parseEither)++-- either+import Control.Monad.Trans.Either (hoistEither, left, right)+import Data.Either.Combinators (mapLeft)++-- errors+import Control.Error.Util ((??))++-- network+import Network.URI (parseAbsoluteURI)++-- text+import Data.Text (Text, pack)++-- transformers+import Control.Monad.Trans.Class (lift)++-- unordered-containers+import qualified Data.HashMap.Strict as HM (lookup)++-- this package+import Cryptsy.API.Public.Types.Error+import Cryptsy.API.Public.Types.Monad++-- |generates public API URL+pubURL :: String -- ^ method value+ -> String -- ^ complete URL+pubURL = ("http://pubapi.cryptsy.com/api.php?method=" ++)+{-# INLINABLE pubURL #-}++-- |unpacked dataKey+dataStr :: String+dataStr = "return"++-- |key in JSON object for return data+dataKey :: Text+dataKey = pack dataStr++-- |key in JSON object for error message+errMsgKey :: Text+errMsgKey = pack "error"++-- |common request implementation+pubCryptsy :: String -- ^ URL+ -> (Value -> Parser a)+ -> PubCryptsy a+pubCryptsy apiurl parser = do+ uri <- parseAbsoluteURI apiurl ?? BadURL apiurl+ let req = defaultGETRequest_ uri+ (_, resp) <- lift $ request req+ bodyBytes <- case rspCode resp of+ (2, 0, 0) -> right $ rspBody resp+ _ -> left $ BadResponse resp+ valueJSON <- hoistEither . mapLeft (FailParseResponse bodyBytes)+ $ eitherDecode bodyBytes+ returnData <- case valueJSON of+ Object (HM.lookup dataKey -> Just dat) -> right dat+ Object (HM.lookup errMsgKey -> Just errMsg) ->+ left $ ErrorResponse errMsg+ _ -> left $ UnsuccessfulResponse valueJSON+ hoistEither . mapLeft (FailParseReturn returnData)+ $ parseEither parser returnData+{-# INLINABLE pubCryptsy #-}++-- |unpacked 'marketsKey'+marketsStr :: String+marketsStr = "markets"++-- |failure message when 'marketsKey' is missing+missingMsg :: String+missingMsg = "Missing '" ++ marketsStr ++ "' key."++-- |key in JSON object for market data+marketsKey :: Text+marketsKey = pack marketsStr++-- |Apply a parser on the 'marketsKey' of an object. If not an object or the+-- key is missing, fail.+onMarkets :: (Value -> Parser a) -> Value -> Parser a+onMarkets parser = withObject marketsStr $+ maybe (fail missingMsg) parser . HM.lookup marketsKey+{-# INLINABLE onMarkets #-}
+ src/Cryptsy/API/Public/Market.hs view
@@ -0,0 +1,36 @@+{-# LANGUAGE FlexibleContexts, ViewPatterns #-}+-- |Request for a single market by market id.+module Cryptsy.API.Public.Market+ ( module Cryptsy.API.Public.Market+ , module Cryptsy.API.Public.Types.Market+ , module Cryptsy.API.Public.Types.Monad+ )+where++-- text+import Data.Text (Text, unpack)++-- aeson+import Data.Aeson (FromJSON(..), withObject)++-- unordered-containers+import Data.HashMap.Strict (toList)++-- this package+import Cryptsy.API.Public.Internal+import Cryptsy.API.Public.Types.Market+import Cryptsy.API.Public.Types.Monad++-- |single market API request+singleMarket :: FromJSON (GMarket p q dt t)+ => Text -- ^ marketid+ -> PubCryptsy (GMarket p q dt t)+singleMarket (unpack -> reqMarket) = pubCryptsy marketURL $ onMarkets parseSingleMarket+ where+ marketURL = pubURL $ "singlemarketdata&marketid=" ++ reqMarket+ parseSingleMarket = withObject dataStr $ \o ->+ case toList o of+ [] -> fail "No market returned."+ [(_, v)] -> parseJSON v+ _ -> fail "Multiple markets returned."+{-# INLINABLE singleMarket #-}
+ src/Cryptsy/API/Public/MarketData/New.hs view
@@ -0,0 +1,25 @@+{-# LANGUAGE FlexibleContexts #-}+-- |Request for new-style market data, without ambiguous keys+module Cryptsy.API.Public.MarketData.New+ ( marketData+ , module Cryptsy.API.Public.Types.MarketData+ , module Cryptsy.API.Public.Types.Monad+ )+where++-- aeson+import Data.Aeson (FromJSON(..))++-- this pacakge+import Cryptsy.API.Public.Internal+import Cryptsy.API.Public.Types.MarketData+import Cryptsy.API.Public.Types.Monad++marketdatav2URL :: String+marketdatav2URL = pubURL "marketdatav2"++-- |Request all markets.+marketData :: FromJSON (GMarketData p q dt t)+ => PubCryptsy (GMarketData p q dt t)+marketData = pubCryptsy marketdatav2URL $ onMarkets parseJSON+{-# INLINABLE marketData #-}
+ src/Cryptsy/API/Public/MarketData/Old.hs view
@@ -0,0 +1,25 @@+{-# LANGUAGE FlexibleContexts #-}+-- |Request for market data in old format, with ambiguous keys+module Cryptsy.API.Public.MarketData.Old+ ( oldMarketData+ , module Cryptsy.API.Public.Types.MarketData+ , module Cryptsy.API.Public.Types.Monad+ )+where++-- aeson+import Data.Aeson (FromJSON(..))++-- this pacakge+import Cryptsy.API.Public.Internal+import Cryptsy.API.Public.Types.MarketData+import Cryptsy.API.Public.Types.Monad++marketdataURL :: String+marketdataURL = pubURL "marketdata"++-- |Request all markets in old format.+oldMarketData :: FromJSON (GMarketData p q dt t)+ => PubCryptsy (GMarketData p q dt t)+oldMarketData = pubCryptsy marketdataURL $ onMarkets parseJSON+{-# INLINABLE oldMarketData #-}
+ src/Cryptsy/API/Public/OrderBook.hs view
@@ -0,0 +1,37 @@+{-# LANGUAGE FlexibleContexts, ViewPatterns #-}+-- |Request for a single order book by market id.+module Cryptsy.API.Public.OrderBook+ ( module Cryptsy.API.Public.OrderBook+ , module Cryptsy.API.Public.Types.Monad+ , module Cryptsy.API.Public.Types.OrderBook+ )+where++-- aeson+import Data.Aeson (FromJSON(..), withObject)++-- text+import Data.Text (Text, unpack)++-- unordered-containers+import Data.HashMap.Strict (toList)++-- this package+import Cryptsy.API.Public.Internal+import Cryptsy.API.Public.Types.Monad+import Cryptsy.API.Public.Types.OrderBook++-- |single orderbook API request+singleOrderBook :: FromJSON (GOrderBook p q t)+ => Text -- ^ marketid+ -> PubCryptsy (GOrderBook p q t)+singleOrderBook (unpack -> reqMarket) =+ pubCryptsy orderBookURL parseSingleOrderBook+ where+ orderBookURL = pubURL $ "singleorderdata&marketid=" ++ reqMarket+ parseSingleOrderBook = withObject dataStr $ \o ->+ case toList o of+ [] -> fail "No order book returned."+ [(_, v)] -> parseJSON v+ _ -> fail "Multiple order books returned."+{-# INLINABLE singleOrderBook #-}
+ src/Cryptsy/API/Public/OrderData.hs view
@@ -0,0 +1,62 @@+{-# LANGUAGE FlexibleContexts, UndecidableInstances #-}+-- |Type and request for order book for all markets.+module Cryptsy.API.Public.OrderData+ ( GOrderData(..), OrderData+ , parseOrderData, orderData+ , module Cryptsy.API.Public.Types.OrderBook+ , module Cryptsy.API.Public.Types.Monad+ , module Cryptsy.API.Public.Types.Num+ )+where++-- aeson+import Data.Aeson (FromJSON(..), Value, withObject)+import Data.Aeson.Types (Parser)++-- base+import Data.Function (($))+import Data.Functor (fmap, (<$>))+import Data.String (String)+import Data.Traversable (mapM)+import Prelude ()+import Text.Show (Show)++-- text+import Data.Text (Text)++-- unordered-containers+import Data.HashMap.Strict (HashMap)++-- this package+import Cryptsy.API.Public.Internal+import Cryptsy.API.Public.Types.OrderBook+import Cryptsy.API.Public.Types.Monad+import Cryptsy.API.Public.Types.Num++-- |general order data parameterized by types for prices, quantities,+-- and totals (price * quantity)+newtype GOrderData p q t =+ OrderData { orderBooks :: HashMap Text (GOrderBook p q t) }+ deriving Show++-- |default order data+type OrderData = GOrderData CryptsyNum CryptsyNum CryptsyNum++instance FromJSON (GOrderBook p q t) => FromJSON (GOrderData p q t) where+ parseJSON = parseOrderData parseJSON++-- |Build parser for multiple orderbooks from parser for single orderbook.+parseOrderData :: (Value -> Parser (GOrderBook p q t)) -- ^ orderbook parser+ -> Value -> Parser (GOrderData p q t)+parseOrderData parseBook =+ withObject "OrderData" $ fmap OrderData <$> mapM parseBook+{-# INLINABLE parseOrderData #-}++-- |URL for API call+orderdataURL :: String+orderdataURL = pubURL "orderdata"++-- |Request full order book for all markets.+orderData :: FromJSON (GOrderData p q t) => PubCryptsy (GOrderData p q t)+orderData = pubCryptsy orderdataURL parseJSON+{-# INLINABLE orderData #-}
+ src/Cryptsy/API/Public/Types.hs view
@@ -0,0 +1,24 @@+-- |Re-exports the entire Cryptsy.API.Public.Types.* heirarchy.+module Cryptsy.API.Public.Types+ ( module Cryptsy.API.Public.Types.Error+ , module Cryptsy.API.Public.Types.Market+ , module Cryptsy.API.Public.Types.MarketData+ , module Cryptsy.API.Public.Types.Monad+ , module Cryptsy.API.Public.Types.Num+ , module Cryptsy.API.Public.Types.Order+ , module Cryptsy.API.Public.Types.OrderBook+ , module Cryptsy.API.Public.Types.Time+ , module Cryptsy.API.Public.Types.Trade+ )+where++-- this package+import Cryptsy.API.Public.Types.Error+import Cryptsy.API.Public.Types.Market+import Cryptsy.API.Public.Types.MarketData+import Cryptsy.API.Public.Types.Monad+import Cryptsy.API.Public.Types.Num+import Cryptsy.API.Public.Types.Order+import Cryptsy.API.Public.Types.OrderBook+import Cryptsy.API.Public.Types.Time+import Cryptsy.API.Public.Types.Trade
+ src/Cryptsy/API/Public/Types/Error.hs view
@@ -0,0 +1,20 @@+-- |Sum type for any error conditions in a API request.+module Cryptsy.API.Public.Types.Error where++-- HTTP+import Network.HTTP.Base (Response)++-- aeson+import Data.Aeson (Value)++-- bytestring+import Data.ByteString.Lazy (ByteString)++-- |error conditions w/ debugging information for an API request+data CryptsyError = BadURL { badURL :: String }+ | BadResponse { badResponse :: Response ByteString }+ | FailParseResponse { responseBody :: ByteString, errorMessage :: String }+ | ErrorResponse { errorValue :: Value }+ | UnsuccessfulResponse { jsonResponse :: Value }+ | FailParseReturn { dataValue :: Value, errorMessage :: String }+ deriving Show
+ src/Cryptsy/API/Public/Types/Internal.hs view
@@ -0,0 +1,30 @@+-- |Implementations shared between multiple types.+module Cryptsy.API.Public.Types.Internal where++-- aeson+import Data.Aeson (Array, Value(Array, Null), withText)+import Data.Aeson.Types (Parser, typeMismatch)++-- base+import Data.Monoid (Monoid(mempty))++-- text+import Data.Text (unpack)++-- |Convert one "parser" type to another.+readsToParser :: String -> ReadS a -> Value -> Parser a+readsToParser name reader = withText name $ trans . reader . unpack+ where+ trans [] = fail "No parse."+ trans [(v, "")] = return v+ trans [(_, _ )] = fail "Incomplete parse."+ trans _ = fail "Ambiguous parse."+{-# INLINABLE readsToParser #-}++-- |Like 'Data.Aeson.withArray' but also accepting JSON nulls as mempty.+withNullableArray :: Monoid a+ => String -> (Array -> Parser a) -> Value -> Parser a+withNullableArray _ parseArray (Array v) = parseArray v+withNullableArray _ _ Null = return mempty+withNullableArray name _ v = typeMismatch name v+{-# INLINABLE withNullableArray #-}
+ src/Cryptsy/API/Public/Types/Market.hs view
@@ -0,0 +1,84 @@+-- |Type for individual market information returned from API.+module Cryptsy.API.Public.Types.Market+ ( module Cryptsy.API.Public.Types.Market+ , module Cryptsy.API.Public.Types.Num+ , module Cryptsy.API.Public.Types.Order+ , module Cryptsy.API.Public.Types.Time+ , module Cryptsy.API.Public.Types.Trade+ )+where++-- aeson+import Data.Aeson (FromJSON(..), Value, withObject, (.:))+import Data.Aeson.Types (Parser)++-- base+import Control.Applicative ((<$>), (<*>))+import Data.Traversable (mapM)+import Prelude hiding (mapM)++-- text+import Data.Text (Text, pack)++-- vector+import Data.Vector (Vector)++-- this package+import Cryptsy.API.Public.Types.Internal+import Cryptsy.API.Public.Types.Num+import Cryptsy.API.Public.Types.Order+import Cryptsy.API.Public.Types.Time+import Cryptsy.API.Public.Types.Trade++-- |generalized market+data GMarket p q dt t = Market+ { mktMarketid :: Text+ , mktLabel :: Text+ , mktLastTradePrice :: p+ , mktVolume :: q+ , mktLastTradeTime :: dt+ , mktPrimaryName :: Text+ , mktPrimaryCode :: Text+ , mktSecondaryName :: Text+ , mktSecondaryCode :: Text+ , mktRecentTrades :: Vector (GTrade dt p q t)+ , mktSellOrders :: Vector (GOrder p q t)+ , mktBuyOrders :: Vector (GOrder p q t)+ } deriving Show++-- |default market+type Market = GMarket CryptsyNum CryptsyNum CryptsyTime CryptsyNum++instance (FromJSON p, FromJSON q, FromJSON dt, FromJSON t) =>+ FromJSON (GMarket p q dt t)+ where+ parseJSON = parseMarket parseJSON parseJSON parseJSON parseJSON++-- |Combine component parsers into JSON Object parser.+parseMarket :: (Value -> Parser p) -- ^ price parser+ -> (Value -> Parser q) -- ^ quantity parser+ -> (Value -> Parser dt) -- ^ date/time parser+ -> (Value -> Parser t) -- ^ total parser+ -> Value -> Parser (GMarket p q dt t)+parseMarket parsePrice parseQuantity parseDatetime parseTotal =+ withObject "Market" $ \o -> Market <$>+ o .: pack "marketid" <*>+ o .: pack "label" <*>+ (o .: pack "lasttradeprice" >>= parsePrice ) <*>+ (o .: pack "volume" >>= parseQuantity ) <*>+ (o .: pack "lasttradetime" >>= parseDatetime ) <*>+ o .: pack "primaryname" <*>+ o .: pack "primarycode" <*>+ o .: pack "secondaryname" <*>+ o .: pack "secondarycode" <*>+ (o .: pack "recenttrades" >>= parseRecentTrades) <*>+ (o .: pack "sellorders" >>= parseSellOrders ) <*>+ (o .: pack "buyorders" >>= parseBuyOrders )+ where+ parseRecentTrades =+ withNullableArray "recenttrades" . mapM $+ parseTrade parseDatetime parsePrice parseQuantity parseTotal+ parseOrders = mapM $ parseOrder parsePrice parseQuantity parseTotal+ parseSellOrders = withNullableArray "sellorders" parseOrders+ parseBuyOrders = withNullableArray "buyorders" parseOrders+{-# INLINABLE parseMarket #-}
+ src/Cryptsy/API/Public/Types/MarketData.hs view
@@ -0,0 +1,49 @@+{-# LANGUAGE UndecidableInstances #-}+-- |Type for all data returned by a market data request.+module Cryptsy.API.Public.Types.MarketData+ ( module Cryptsy.API.Public.Types.MarketData+ , module Cryptsy.API.Public.Types.Market+ , module Cryptsy.API.Public.Types.Num+ , module Cryptsy.API.Public.Types.Time+ )+where++-- aeson+import Data.Aeson (FromJSON(..), Value, withObject )+import Data.Aeson.Types (Parser)++-- base+import Data.Function (($))+import Data.Functor (fmap, (<$>))+import Data.Traversable (mapM)+import Prelude (Show(show))++-- text+import Data.Text (Text)++-- unordered-containers+import Data.HashMap.Strict (HashMap)++-- this package+import Cryptsy.API.Public.Types.Market+import Cryptsy.API.Public.Types.Num+import Cryptsy.API.Public.Types.Time++-- |general market data parameterized by types for prices, quantities,+-- date/time values, and totals (price * quantity)+newtype GMarketData p q dt t =+ MarketData { markets :: HashMap Text (GMarket p q dt t) }+ deriving Show++-- |default market data+type MarketData = GMarketData CryptsyNum CryptsyNum CryptsyTime CryptsyNum++instance FromJSON (GMarket p q dt t) => FromJSON (GMarketData p q dt t) where+ parseJSON = parseMarketData parseJSON++-- |Build parser for multiple markets from parser for single market.+parseMarketData :: (Value -> Parser (GMarket p q dt t)) -- ^ market parser+ -> Value -> Parser (GMarketData p q dt t)+parseMarketData parseSingle =+ withObject "MarketData" $ fmap MarketData <$> mapM parseSingle+{-# INLINABLE parseMarketData #-}
+ src/Cryptsy/API/Public/Types/Monad.hs view
@@ -0,0 +1,22 @@+-- |Monad in which public API requests occur.+module Cryptsy.API.Public.Types.Monad+ ( module Cryptsy.API.Public.Types.Monad+ , module Cryptsy.API.Public.Types.Error+ )+where++-- HTTP+import Network.Browser (BrowserAction)+import Network.TCP (HandleStream)++-- bytestring+import Data.ByteString.Lazy (ByteString)++-- either+import Control.Monad.Trans.Either (EitherT)++-- this package+import Cryptsy.API.Public.Types.Error++-- |request monad+type PubCryptsy = EitherT CryptsyError (BrowserAction (HandleStream ByteString))
+ src/Cryptsy/API/Public/Types/Num.hs view
@@ -0,0 +1,29 @@+{-# LANGUAGE EmptyDataDecls, GeneralizedNewtypeDeriving #-}+-- |Default numeric type for prices, quanities, and total returned from the+-- API.+module Cryptsy.API.Public.Types.Num where++-- aeson+import Data.Aeson (FromJSON(..))++-- base+import Data.Fixed (HasResolution(..), Fixed)+import Numeric (readFloat)++-- this package+import Cryptsy.API.Public.Types.Internal++-- |Custom resolution for 'Fixed'; 1e8.+data E8++instance HasResolution E8 where+ resolution = const 100000000++-- |Native number type for the API, newtype for custom FromJSON instance, which+-- only accepts JSON strings.+newtype CryptsyNum = CryptsyNum { toFixed :: Fixed E8 } deriving+ (Eq, Ord, Show, Read, Num, Real, Fractional, Enum, RealFrac)++instance FromJSON CryptsyNum where+ parseJSON = readsToParser "CrypstyNum" readFloat+
+ src/Cryptsy/API/Public/Types/Order.hs view
@@ -0,0 +1,46 @@+-- |Type for individual orders (order book entries) from the API.+module Cryptsy.API.Public.Types.Order+ ( module Cryptsy.API.Public.Types.Order+ , module Cryptsy.API.Public.Types.Num+ )+where++-- base+import Control.Applicative ((<$>), (<*>))++-- text+import Data.Text (pack)++-- aeson+import Data.Aeson (FromJSON(..), Value, withObject, (.:))+import Data.Aeson.Types (Parser)++-- this package+import Cryptsy.API.Public.Types.Num++-- |generalized order+data GOrder p q t = Order+ { orderPrice :: p+ , orderQuantity :: q+ , orderTotal :: t+ } deriving Show++-- |default order+type Order = GOrder CryptsyNum CryptsyNum CryptsyNum++instance (FromJSON p, FromJSON q, FromJSON t) =>+ FromJSON (GOrder p q t)+ where+ parseJSON = parseOrder parseJSON parseJSON parseJSON++-- |Combine component parsers into JSON Object parser.+parseOrder :: (Value -> Parser p) -- ^ price parser+ -> (Value -> Parser q) -- ^ quantity parser+ -> (Value -> Parser t) -- ^ total parser+ -> Value -> Parser (GOrder p q t)+parseOrder parsePrice parseQuantity parseTotal =+ withObject "Order" $ \o -> Order <$>+ (o .: pack "price" >>= parsePrice ) <*>+ (o .: pack "quantity" >>= parseQuantity) <*>+ (o .: pack "total" >>= parseTotal )+{-# INLINABLE parseOrder #-}
+ src/Cryptsy/API/Public/Types/OrderBook.hs view
@@ -0,0 +1,66 @@+{-# LANGUAGE UndecidableInstances #-}+-- |Type for order books returned from the API.+module Cryptsy.API.Public.Types.OrderBook+ ( module Cryptsy.API.Public.Types.OrderBook+ , module Cryptsy.API.Public.Types.Num+ , module Cryptsy.API.Public.Types.Order+ )+where++-- aeson+import Data.Aeson (FromJSON(..), Value, withObject, (.:))+import Data.Aeson.Types (Parser)++-- base+import Control.Applicative ((<*>))+import Data.Functor ((<$>))+import Data.Traversable (mapM)+import Prelude hiding (mapM)++-- text+import Data.Text (Text, pack)++-- vector+import Data.Vector (Vector)++-- this package+import Cryptsy.API.Public.Types.Internal+import Cryptsy.API.Public.Types.Num+import Cryptsy.API.Public.Types.Order++-- |general order book+data GOrderBook p q t = OrderBook+ { obMarketId :: Text+ , obLabel :: Text+ , obPrimaryName :: Text+ , obPrimaryCode :: Text+ , obSecondaryName :: Text+ , obSecondaryCode :: Text+ , obSellOrders :: Vector (GOrder p q t)+ , obBuyOrders :: Vector (GOrder p q t)+ } deriving Show++-- |default order book+type OrderBook = GOrderBook CryptsyNum CryptsyNum CryptsyNum++instance FromJSON (GOrder p q t) => FromJSON (GOrderBook p q t) where+ parseJSON = parseOrderBook parseJSON++-- |Build parser for orderbook from parser for a single order.+parseOrderBook :: (Value -> Parser (GOrder p q t)) -- ^ order parser+ -> Value -> Parser (GOrderBook p q t)+parseOrderBook parser =+ withObject "OrderBook" $ \o -> OrderBook <$>+ o .: pack "marketid" <*>+ o .: pack "label" <*>+ o .: pack "primaryname" <*>+ o .: pack "primarycode" <*>+ o .: pack "secondaryname" <*>+ o .: pack "secondarycode" <*>+ (o .: pack "sellorders" >>= parseSellOrders) <*>+ (o .: pack "buyorders" >>= parseBuyOrders )+ where+ parseOrders = mapM parser+ parseSellOrders = withNullableArray "sellorders" parseOrders+ parseBuyOrders = withNullableArray "buyorders" parseOrders+{-# INLINABLE parseOrderBook #-}
+ src/Cryptsy/API/Public/Types/Time.hs view
@@ -0,0 +1,28 @@+{-# LANGUAGE GeneralizedNewtypeDeriving #-}+-- |Default type for times returned by the API.+module Cryptsy.API.Public.Types.Time where++-- aeson+import Data.Aeson (FromJSON(..))++-- deepseq+import Control.DeepSeq (NFData)++-- old-locale+import System.Locale (defaultTimeLocale)++-- time+import Data.Time.Format (FormatTime, ParseTime, readsTime)+import Data.Time.LocalTime (LocalTime)++-- this package+import Cryptsy.API.Public.Types.Internal++-- |Native date/time type for the API, newtype for custom FromJSON instance,+-- which only accepts JSON strings+newtype CryptsyTime = CryptsyTime { toLocalTime :: LocalTime } deriving+ (Eq, Ord, Show, Read, NFData, ParseTime, FormatTime)++instance FromJSON CryptsyTime where+ parseJSON = readsToParser "CryptsyTime"+ $ readsTime defaultTimeLocale "%F %T"
+ src/Cryptsy/API/Public/Types/Trade.hs view
@@ -0,0 +1,53 @@+-- |Type for individual executed trades from the API.+module Cryptsy.API.Public.Types.Trade+ ( module Cryptsy.API.Public.Types.Trade+ , module Cryptsy.API.Public.Types.Num+ , module Cryptsy.API.Public.Types.Time+ )+where++-- base+import Control.Applicative ((<$>), (<*>))++-- text+import Data.Text (Text, pack)++-- aeson+import Data.Aeson (FromJSON(..), Value, withObject, (.:))+import Data.Aeson.Types (Parser)++-- this package+import Cryptsy.API.Public.Types.Num+import Cryptsy.API.Public.Types.Time++-- |generalized trade+data GTrade dt p q t = Trade+ { tradeId :: Text+ , tradeTime :: dt+ , tradePrice :: p+ , tradeQuantity :: q+ , tradeTotal :: t+ } deriving Show++-- |standard trade+type Trade = GTrade CryptsyTime CryptsyNum CryptsyNum CryptsyNum++instance (FromJSON dt, FromJSON p, FromJSON q, FromJSON t) =>+ FromJSON (GTrade dt p q t)+ where+ parseJSON = parseTrade parseJSON parseJSON parseJSON parseJSON++-- |Combine component parsers into JSON Object parser.+parseTrade :: (Value -> Parser dt) -- ^ date/time parser+ -> (Value -> Parser p) -- ^ price parser+ -> (Value -> Parser q) -- ^ quantity parser+ -> (Value -> Parser t) -- ^ total parser+ -> Value -> Parser (GTrade dt p q t)+parseTrade parseDatetime parsePrice parseQuantity parseTotal =+ withObject "Trade" $ \o -> Trade <$>+ o .: pack "id" <*>+ (o .: pack "time" >>= parseDatetime) <*>+ (o .: pack "price" >>= parsePrice ) <*>+ (o .: pack "quantity" >>= parseQuantity) <*>+ (o .: pack "total" >>= parseTotal )+{-# INLINABLE parseTrade #-}
+ src/Main.hs view
@@ -0,0 +1,65 @@+module Main where++-- base+import Control.Monad ((<=<))++-- HTTP+import Network.HTTP.Base (httpPackageVersion)++import Network.Browser+ ( Proxy(NoProxy), BrowserAction+ , browse, setAllowRedirects, setMaxRedirects, setAuthorities+ , setAllowBasicAuth, setMaxErrorRetries, setMaxPoolSize+ , setMaxAuthAttempts, setProxy, setOutHandler, setUserAgent+ )++-- either+import Control.Monad.Trans.Either (runEitherT)++-- text+import Data.Text (pack)++-- transformers+import Control.Monad.IO.Class (liftIO)+import Control.Monad.Trans.Class (lift)++-- unordered-containers+import qualified Data.HashMap.Strict as HM++-- vector+import qualified Data.Vector as V++-- this package+import Cryptsy.API.Public++initBrowser :: BrowserAction t ()+initBrowser = do+ setAllowRedirects True+ setMaxRedirects $ Just 10+ setAuthorities []+ setAllowBasicAuth False+ setMaxErrorRetries $ Just 0+ setMaxPoolSize $ Just 2+ setMaxAuthAttempts $ Just 0+ setProxy NoProxy+ setOutHandler . const $ return ()+ setUserAgent $ "Network.Browser/" ++ httpPackageVersion++main :: IO ()+main = either print return <=< browse . runEitherT $ do+ lift initBrowser+ books <- orderData+ liftIO . print . HM.size $ orderBooks (books :: OrderData)+ omkts <- oldMarketData+ liftIO . print . HM.size $ markets (omkts :: MarketData)+ mkts <- marketData+ liftIO . print . HM.size $ markets (mkts :: MarketData)+ book <- singleOrderBook $ pack "113"+ liftIO . print $ ( V.length $ obBuyOrders (book :: OrderBook)+ , V.length $ obSellOrders book+ )+ market <- singleMarket $ pack "113"+ liftIO . print $ ( V.length $ mktRecentTrades (market :: Market)+ , V.length $ mktBuyOrders market+ , V.length $ mktSellOrders market+ )