1083 lines
33 KiB
Haskell
1083 lines
33 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
|
|
{-# LANGUAGE DeriveGeneric #-}
|
|
{-# LANGUAGE DeriveAnyClass #-}
|
|
{-# LANGUAGE DuplicateRecordFields #-}
|
|
{-# LANGUAGE LambdaCase #-}
|
|
|
|
module ZGoBackend where
|
|
|
|
import Config
|
|
import Control.Concurrent (forkIO, threadDelay)
|
|
import Control.Monad
|
|
import Control.Monad.IO.Class
|
|
import Data.Aeson
|
|
import Data.Array
|
|
import qualified Data.Bson as B
|
|
import qualified Data.ByteString as BS
|
|
import Data.Char
|
|
import qualified Data.HashMap.Strict as HM
|
|
import Data.HexString
|
|
import Data.Maybe
|
|
import qualified Data.Scientific as Scientific
|
|
import Data.SecureMem
|
|
import qualified Data.Text as T
|
|
import qualified Data.Text.Encoding as E
|
|
import Data.Text.Encoding.Error (lenientDecode)
|
|
import qualified Data.Text.Lazy as L
|
|
import Data.Time.Clock
|
|
import Data.Time.Clock.POSIX
|
|
import Data.Typeable
|
|
import qualified Data.Vector as V
|
|
import Data.Vector.Internal.Check (doChecks)
|
|
import Data.Word
|
|
import Database.MongoDB
|
|
import Debug.Trace
|
|
import GHC.Generics
|
|
import Item
|
|
import Network.HTTP.Simple
|
|
import Network.HTTP.Types (created201)
|
|
import Network.HTTP.Types.Status
|
|
import Network.Wai.Middleware.Cors
|
|
import Network.Wai.Middleware.HttpAuth
|
|
import Numeric
|
|
import Order
|
|
import Owner
|
|
import Payment
|
|
import System.IO.Unsafe
|
|
import System.Random
|
|
import Test.QuickCheck
|
|
import Test.QuickCheck.Instances
|
|
import Test.QuickCheck.Property (Result(ok))
|
|
import Text.Regex
|
|
import Text.Regex.Base
|
|
import User
|
|
import Web.Scotty
|
|
import Xero
|
|
import ZGoTx
|
|
|
|
-- Models for API objects
|
|
-- | A type to model Zcash RPC calls
|
|
data RpcCall =
|
|
RpcCall
|
|
{ jsonrpc :: T.Text
|
|
, callId :: T.Text
|
|
, method :: T.Text
|
|
, parameters :: [Data.Aeson.Value]
|
|
}
|
|
deriving (Show, Generic)
|
|
|
|
instance ToJSON RpcCall where
|
|
toJSON (RpcCall j c m p) =
|
|
object ["jsonrpc" .= j, "id" .= c, "method" .= m, "params" .= p]
|
|
|
|
-- | A type to model the response of the Zcash RPC
|
|
data RpcResponse r =
|
|
MakeRpcResponse
|
|
{ err :: Maybe RpcError
|
|
, respId :: T.Text
|
|
, result :: Maybe r
|
|
}
|
|
deriving (Show, Generic, ToJSON)
|
|
|
|
instance (FromJSON r) => FromJSON (RpcResponse r) where
|
|
parseJSON (Object obj) =
|
|
MakeRpcResponse <$> obj .: "error" <*> obj .: "id" <*> obj .: "result"
|
|
parseJSON _ = mzero
|
|
|
|
data RpcError =
|
|
RpcError
|
|
{ ecode :: Double
|
|
, emessage :: T.Text
|
|
}
|
|
deriving (Show, Generic, ToJSON)
|
|
|
|
instance FromJSON RpcError where
|
|
parseJSON =
|
|
withObject "RpcError" $ \obj -> do
|
|
c <- obj .: "code"
|
|
m <- obj .: "message"
|
|
pure $ RpcError c m
|
|
|
|
data Payload r =
|
|
Payload
|
|
{ payload :: r
|
|
}
|
|
deriving (Show, Generic, ToJSON)
|
|
|
|
instance (FromJSON r) => FromJSON (Payload r) where
|
|
parseJSON (Object obj) = Payload <$> obj .: "payload"
|
|
parseJSON _ = mzero
|
|
|
|
-- | Type to model a (simplified) block of Zcash blockchain
|
|
data Block =
|
|
Block
|
|
{ height :: Integer
|
|
, size :: Integer
|
|
}
|
|
deriving (Show, Generic, ToJSON)
|
|
|
|
instance FromJSON Block where
|
|
parseJSON (Object obj) = Block <$> obj .: "height" <*> obj .: "size"
|
|
parseJSON _ = mzero
|
|
|
|
-- | Type to model a Zcash shielded transaction
|
|
data ZcashTx =
|
|
ZcashTx
|
|
{ ztxid :: T.Text
|
|
, zamount :: Double
|
|
, zamountZat :: Integer
|
|
, zblockheight :: Integer
|
|
, zblocktime :: Integer
|
|
, zchange :: Bool
|
|
, zconfirmations :: Integer
|
|
, zmemo :: T.Text
|
|
}
|
|
deriving (Show, Generic)
|
|
|
|
instance FromJSON ZcashTx where
|
|
parseJSON =
|
|
withObject "ZcashTx" $ \obj -> do
|
|
t <- obj .: "txid"
|
|
a <- obj .: "amount"
|
|
aZ <- obj .: "amountZat"
|
|
bh <- obj .: "blockheight"
|
|
bt <- obj .: "blocktime"
|
|
c <- obj .:? "change"
|
|
conf <- obj .: "confirmations"
|
|
m <- obj .: "memo"
|
|
pure $
|
|
ZcashTx
|
|
t
|
|
a
|
|
aZ
|
|
bh
|
|
bt
|
|
(fromMaybe False c)
|
|
conf
|
|
(T.filter (/= '\NUL') $ decodeHexText m)
|
|
|
|
instance ToJSON ZcashTx where
|
|
toJSON (ZcashTx t a aZ bh bt c conf m) =
|
|
object
|
|
[ "amount" .= a
|
|
, "amountZat" .= aZ
|
|
, "txid" .= t
|
|
, "blockheight" .= bh
|
|
, "blocktime" .= bt
|
|
, "change" .= c
|
|
, "confirmations" .= conf
|
|
, "memo" .= m
|
|
]
|
|
|
|
instance Arbitrary ZcashTx where
|
|
arbitrary = do
|
|
a <- arbitrary
|
|
aZ <- arbitrary
|
|
t <- arbitrary
|
|
bh <- arbitrary
|
|
bt <- arbitrary
|
|
c <- arbitrary
|
|
cm <- arbitrary
|
|
ZcashTx a aZ t bh bt c cm <$> arbitrary
|
|
|
|
-- | A type to model an address group
|
|
data AddressGroup =
|
|
AddressGroup
|
|
{ agsource :: AddressSource
|
|
, agtransparent :: [ZcashAddress]
|
|
, agsapling :: [ZcashAddress]
|
|
, agunified :: [ZcashAddress]
|
|
}
|
|
deriving (Show, Generic)
|
|
|
|
instance FromJSON AddressGroup where
|
|
parseJSON =
|
|
withObject "AddressGroup" $ \obj -> do
|
|
s <- obj .: "source"
|
|
t <- obj .:? "transparent"
|
|
sap <- obj .:? "sapling"
|
|
uni <- obj .:? "unified"
|
|
sL <- processSapling sap s
|
|
tL <- processTransparent t s
|
|
uL <- processUnified uni
|
|
return $ AddressGroup s tL (concat sL) (concat uL)
|
|
where
|
|
processTransparent c s1 =
|
|
case c of
|
|
Nothing -> return []
|
|
Just x -> do
|
|
x' <- x .: "addresses"
|
|
return $ map (ZcashAddress s1 [Transparent] Nothing) x'
|
|
processSapling k s2 =
|
|
case k of
|
|
Nothing -> return []
|
|
Just y -> mapM (processOneSapling s2) y
|
|
where processOneSapling sx =
|
|
withObject "Sapling" $ \oS -> do
|
|
oS' <- oS .: "addresses"
|
|
return $ map (ZcashAddress sx [Sapling] Nothing) oS'
|
|
processUnified u =
|
|
case u of
|
|
Nothing -> return []
|
|
Just z -> mapM processOneAccount z
|
|
where processOneAccount =
|
|
withObject "UAs" $ \uS -> do
|
|
acct <- uS .: "account"
|
|
uS' <- uS .: "addresses"
|
|
mapM (processUAs acct) uS'
|
|
where
|
|
processUAs a =
|
|
withObject "UAs" $ \v -> do
|
|
addr <- v .: "address"
|
|
p <- v .: "receiver_types"
|
|
return $ ZcashAddress MnemonicSeed p a addr
|
|
|
|
-- | Type for modelling the different address sources for Zcash 5.0.0
|
|
data AddressSource
|
|
= LegacyRandom
|
|
| Imported
|
|
| ImportedWatchOnly
|
|
| KeyPool
|
|
| LegacySeed
|
|
| MnemonicSeed
|
|
deriving (Read, Show, Eq, Generic, ToJSON)
|
|
|
|
instance FromJSON AddressSource where
|
|
parseJSON =
|
|
withText "AddressSource" $ \case
|
|
"legacy_random" -> return LegacyRandom
|
|
"imported" -> return Imported
|
|
"imported_watchonly" -> return ImportedWatchOnly
|
|
"keypool" -> return KeyPool
|
|
"legacy_hdseed" -> return LegacySeed
|
|
"mnemonic_seed" -> return MnemonicSeed
|
|
_ -> fail "Not a known address source"
|
|
|
|
data ZcashPool
|
|
= Transparent
|
|
| Sprout
|
|
| Sapling
|
|
| Orchard
|
|
deriving (Show, Eq, Generic, ToJSON)
|
|
|
|
instance FromJSON ZcashPool where
|
|
parseJSON =
|
|
withText "ZcashPool" $ \case
|
|
"p2pkh" -> return Transparent
|
|
"sprout" -> return Sprout
|
|
"sapling" -> return Sapling
|
|
"orchard" -> return Orchard
|
|
_ -> fail "Not a known Zcash pool"
|
|
|
|
data ZcashAddress =
|
|
ZcashAddress
|
|
{ source :: AddressSource
|
|
, pool :: [ZcashPool]
|
|
, account :: Maybe Integer
|
|
, addy :: T.Text
|
|
}
|
|
deriving (Eq)
|
|
|
|
instance Show ZcashAddress where
|
|
show (ZcashAddress s p i a) =
|
|
T.unpack (T.take 8 a) ++
|
|
"..." ++ T.unpack (T.takeEnd 8 a) ++ " Pools: " ++ show p
|
|
|
|
-- | Helper function to turn a hex-encoded memo strings to readable text
|
|
decodeHexText :: String -> T.Text
|
|
decodeHexText h = E.decodeUtf8With lenientDecode $ BS.pack $ hexRead h
|
|
where
|
|
hexRead hexText
|
|
| null chunk = []
|
|
| otherwise =
|
|
fromIntegral (read ("0x" <> chunk)) : hexRead (drop 2 hexText)
|
|
where
|
|
chunk = take 2 hexText
|
|
|
|
-- | Helper function to turn a string into a hex-encoded string
|
|
encodeHexText :: T.Text -> String
|
|
encodeHexText t = T.unpack . toText . fromBytes $ E.encodeUtf8 t
|
|
|
|
-- Types for the ZGo database documents
|
|
-- | Type to model a country for the database's country list
|
|
data Country =
|
|
Country
|
|
{ _id :: String
|
|
, name :: T.Text
|
|
, code :: T.Text
|
|
}
|
|
deriving (Eq, Show, Generic, ToJSON)
|
|
|
|
parseCountryBson :: B.Document -> Maybe Country
|
|
parseCountryBson d = do
|
|
i <- B.lookup "_id" d
|
|
n <- B.lookup "name" d
|
|
c <- B.lookup "code" d
|
|
pure $ Country (show (i :: B.ObjectId)) n c
|
|
|
|
zToZGoTx :: ZcashTx -> ZGoTx
|
|
zToZGoTx (ZcashTx t a aZ bh bt c conf m) = do
|
|
let r =
|
|
mkRegex
|
|
".*ZGO::([0-9a-fA-F]{8}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{12})\\sReply-To:\\s(zs[a-z0-9]{76}).*"
|
|
let p =
|
|
mkRegex
|
|
".*ZGOp::([0-9a-fA-F]{8}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{12}).*"
|
|
let y =
|
|
mkRegex
|
|
".*MSG\\s(zs[a-z0-9]{76})\\s+ZGO::([0-9a-fA-F]{8}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{12}).*"
|
|
let reg = matchAllText r (T.unpack m)
|
|
let reg2 = matchAllText p (T.unpack m)
|
|
let reg3 = matchAllText y (T.unpack m)
|
|
if not (null reg)
|
|
then do
|
|
let sess = T.pack (fst $ head reg ! 1)
|
|
let nAddy = T.pack (fst $ head reg ! 2)
|
|
ZGoTx Nothing nAddy sess conf bt a t m
|
|
else do
|
|
if not (null reg2)
|
|
then do
|
|
let sess = T.pack (fst $ head reg2 ! 1)
|
|
ZGoTx Nothing "" sess conf bt a t m
|
|
else do
|
|
if not (null reg3)
|
|
then do
|
|
let sess = T.pack (fst $ head reg3 ! 2)
|
|
let nAddy = T.pack (fst $ head reg3 ! 1)
|
|
ZGoTx Nothing nAddy sess conf bt a t m
|
|
else ZGoTx Nothing "" "" conf bt a t m
|
|
|
|
-- |Type to model a price in the ZGo database
|
|
data ZGoPrice =
|
|
ZGoPrice
|
|
{ _id :: String
|
|
, currency :: T.Text
|
|
, price :: Double
|
|
, timestamp :: UTCTime
|
|
}
|
|
deriving (Eq, Show, Generic, ToJSON)
|
|
|
|
parseZGoPrice :: B.Document -> Maybe ZGoPrice
|
|
parseZGoPrice d = do
|
|
i <- B.lookup "_id" d
|
|
c <- B.lookup "currency" d
|
|
p <- B.lookup "price" d
|
|
t <- B.lookup "timestamp" d
|
|
pure $ ZGoPrice (show (i :: B.ObjectId)) c p t
|
|
|
|
-- | Type for the CoinGecko response
|
|
newtype CoinGeckoPrices =
|
|
CoinGeckoPrices [(T.Text, Double)]
|
|
deriving (Eq, Show)
|
|
|
|
instance FromJSON CoinGeckoPrices where
|
|
parseJSON =
|
|
withObject "CoinGeckoPrices" $ \obj -> do
|
|
z <- obj .: "zcash"
|
|
pure $ CoinGeckoPrices (HM.toList z)
|
|
|
|
-- Functions for querying the ZGo database
|
|
-- | Function to query DB for countries list
|
|
listCountries :: Action IO [Document]
|
|
listCountries = rest =<< find (select [] "countries")
|
|
|
|
sendPin ::
|
|
BS.ByteString
|
|
-> BS.ByteString
|
|
-> T.Text
|
|
-> T.Text
|
|
-> T.Text
|
|
-> Action IO String
|
|
sendPin nodeUser nodePwd nodeAddress addr pin = do
|
|
let pd =
|
|
[ Data.Aeson.String nodeAddress
|
|
, Data.Aeson.Array
|
|
(V.fromList
|
|
[ object
|
|
[ "address" .= addr
|
|
, "amount" .= (0.00000001 :: Double)
|
|
, "memo" .= encodeHexText ("ZGo PIN: " <> pin)
|
|
]
|
|
])
|
|
]
|
|
r <- makeZcashCall nodeUser nodePwd "z_sendmany" pd
|
|
let sCode = getResponseStatus (r :: Response Object)
|
|
if sCode == ok200
|
|
then return "Pin sent!"
|
|
else return "Pin sending failed :("
|
|
|
|
-- | Function to create user from ZGoTx
|
|
addUser ::
|
|
BS.ByteString
|
|
-> BS.ByteString
|
|
-> Pipe
|
|
-> T.Text
|
|
-> T.Text
|
|
-> Maybe ZGoTx
|
|
-> Action IO ()
|
|
addUser _ _ _ _ _ Nothing = return () --`debug` "addUser got Nothing"
|
|
addUser nodeUser nodePwd p db node (Just tx) = do
|
|
isNew <- liftIO $ isUserNew p db tx
|
|
when isNew $ do
|
|
let newPin = unsafePerformIO (generatePin (fromIntegral $ blocktime tx))
|
|
_ <- sendPin nodeUser nodePwd node (address tx) newPin
|
|
insert_
|
|
"users"
|
|
[ "address" =: address tx
|
|
, "session" =: session tx
|
|
, "blocktime" =: blocktime tx
|
|
, "pin" =: newPin
|
|
, "validated" =: False
|
|
]
|
|
|
|
-- | Function to query DB for transactions with less than 10 confirmations
|
|
findPending :: String -> Action IO [Document]
|
|
findPending s =
|
|
rest =<<
|
|
find
|
|
(select ["session" =: s, "confirmations" =: ["$lt" =: (3 :: Integer)]] "txs")
|
|
|
|
-- | Function to query DB for price by currency
|
|
findPrice :: String -> Action IO (Maybe Document)
|
|
findPrice c = findOne (select ["currency" =: c] "prices")
|
|
|
|
-- | Function to update prices in ZGo db
|
|
updatePrices :: CoinGeckoPrices -> [Action IO ()]
|
|
updatePrices (CoinGeckoPrices []) = []
|
|
updatePrices (CoinGeckoPrices x) = do
|
|
updateOnePrice (head x) : updatePrices (CoinGeckoPrices (tail x))
|
|
|
|
-- | Function to update one price in ZGo db
|
|
updateOnePrice :: (T.Text, Double) -> Action IO ()
|
|
updateOnePrice (c, v) = do
|
|
t <- liftIO getCurrentTime
|
|
upsert
|
|
(select ["currency" =: c] "prices")
|
|
["currency" =: c, "price" =: v, "timestamp" =: t]
|
|
|
|
-- | Function to upsert ZGoTxs into the given collection
|
|
upsertZGoTx :: T.Text -> ZGoTx -> Action IO ()
|
|
upsertZGoTx coll t = do
|
|
upsert (select ["txid" =: txid t] coll) (encodeZGoTxBson t)
|
|
|
|
-- | Function to upsert payment
|
|
upsertPayment :: Pipe -> T.Text -> ZGoTx -> IO ()
|
|
upsertPayment pipe dbName p = do
|
|
zecData <- access pipe master dbName (findPrice "usd")
|
|
let zecPrice = parseZGoPrice =<< zecData
|
|
case zecPrice of
|
|
Nothing -> error "Failed to fetch ZEC price"
|
|
Just zp -> do
|
|
let delta = sessionCalc (price zp) (amount p)
|
|
let payTx =
|
|
Payment
|
|
Nothing
|
|
delta
|
|
False
|
|
(address p)
|
|
(session p)
|
|
(blocktime p)
|
|
(amount p)
|
|
(txid p)
|
|
(memo p)
|
|
let payment = val payTx
|
|
case payment of
|
|
Doc d ->
|
|
access pipe master dbName $
|
|
upsert (select ["txid" =: txid p] "payments") d
|
|
_ -> return ()
|
|
|
|
-- | Main API routes
|
|
routes :: Pipe -> Config -> ScottyM ()
|
|
routes pipe config = do
|
|
let run = access pipe master (c_dbName config)
|
|
let passkey = c_passkey config
|
|
let nodeUser = c_nodeUser config
|
|
let nodePwd = c_nodePwd config
|
|
let nodeAddress = c_nodeAddress config
|
|
middleware $
|
|
cors $
|
|
const $
|
|
Just
|
|
simpleCorsResourcePolicy
|
|
{ corsRequestHeaders = ["Authorization", "Content-Type"]
|
|
, corsMethods = "DELETE" : simpleMethods
|
|
--, corsOrigins = Nothing
|
|
}
|
|
middleware $
|
|
basicAuth
|
|
(\u p -> return $ u == "user" && secureMemFromByteString p == passkey)
|
|
"ZGo Backend"
|
|
--Get list of countries for UI
|
|
get "/api/countries" $ do
|
|
countries <- liftIO $ run listCountries
|
|
case countries of
|
|
[] -> do
|
|
status noContent204
|
|
_ -> do
|
|
Web.Scotty.json
|
|
(object
|
|
[ "message" .= ("Country data found" :: String)
|
|
, "countries" .= toJSON (map parseCountryBson countries)
|
|
])
|
|
--Get Xero credentials
|
|
get "/api/xero" $ do
|
|
xeroConfig <- liftIO $ run findXero
|
|
case xeroConfig of
|
|
Nothing -> status noContent204
|
|
Just x -> do
|
|
let xConfig = cast' (Doc x)
|
|
case xConfig of
|
|
Nothing -> status noContent204
|
|
Just c -> do
|
|
status ok200
|
|
Web.Scotty.json
|
|
(object
|
|
[ "message" .= ("Xero config found!" :: String)
|
|
, "xeroConfig" .= toJSON (c :: Xero)
|
|
])
|
|
get "/api/xerotoken" $ do
|
|
code <- param "code"
|
|
address <- param "address"
|
|
xeroConfig <- liftIO $ run findXero
|
|
case xeroConfig of
|
|
Nothing -> status noContent204
|
|
Just x -> do
|
|
let xConfig = cast' (Doc x)
|
|
case xConfig of
|
|
Nothing -> status noContent204
|
|
Just c -> do
|
|
res <-
|
|
liftIO $ requestXeroToken pipe (c_dbName config) c code address
|
|
if res
|
|
then status ok200
|
|
else status noContent204
|
|
get "/api/invdata" $ do
|
|
inv <- param "inv"
|
|
oAddress <- param "address"
|
|
xeroConfig <- liftIO $ run findXero
|
|
case xeroConfig of
|
|
Nothing -> do
|
|
status noContent204
|
|
text "Xero App credentials not found"
|
|
Just x -> do
|
|
let xConfig = cast' (Doc x)
|
|
case xConfig of
|
|
Nothing -> do
|
|
status noContent204
|
|
text "Xero App credentials corrupted"
|
|
Just c -> do
|
|
res <-
|
|
liftAndCatchIO $
|
|
requestXeroToken pipe (c_dbName config) c "none" oAddress
|
|
if res
|
|
then do
|
|
resInv <-
|
|
liftAndCatchIO $
|
|
getXeroInvoice pipe (c_dbName config) inv oAddress
|
|
case resInv of
|
|
Nothing -> do
|
|
status noContent204
|
|
text "Xero invoice not found"
|
|
Just xI -> do
|
|
status ok200
|
|
Web.Scotty.json (object ["invdata" .= toJSON xI])
|
|
else status noContent204
|
|
-- Get the xeroaccount code
|
|
get "/api/xeroaccount" $ do
|
|
oAdd <- param "address"
|
|
res <- liftIO $ run (findToken oAdd)
|
|
let c = cast' . Doc =<< res
|
|
case c of
|
|
Nothing -> status noContent204
|
|
Just c1 -> do
|
|
status ok200
|
|
Web.Scotty.json
|
|
(object
|
|
[ "message" .= ("Xero account code found" :: String)
|
|
, "code" .= t_code c1
|
|
])
|
|
-- Save the xeroaccount code
|
|
post "/api/xeroaccount" $ do
|
|
oAdd <- param "address"
|
|
c <- param "code"
|
|
liftAndCatchIO $ run (addAccCode oAdd c)
|
|
status accepted202
|
|
--Get user associated with session
|
|
get "/api/user" $ do
|
|
sess <- param "session"
|
|
user <- liftIO $ run (findUser sess)
|
|
case user of
|
|
Nothing -> status noContent204
|
|
Just u ->
|
|
Web.Scotty.json
|
|
(object
|
|
[ "message" .= ("User found" :: String)
|
|
, "user" .= toJSON (parseUserBson u)
|
|
])
|
|
--Validate user, updating record
|
|
post "/api/validateuser" $ do
|
|
providedPin <- param "pin"
|
|
sess <- param "session"
|
|
user <- liftIO $ run (findUser sess)
|
|
case user of
|
|
Nothing -> status noContent204 --`debug` "No user match"
|
|
Just u -> do
|
|
let parsedUser = parseUserBson u
|
|
case parsedUser of
|
|
Nothing -> status noContent204 --`debug` "Couldn't parse user"
|
|
Just pUser -> do
|
|
let ans = upin pUser == T.pack providedPin
|
|
if ans
|
|
then do
|
|
liftIO $ run (validateUser sess)
|
|
status accepted202
|
|
else status noContent204 --`debug` ("Pins didn't match: " ++ providedPin ++ " " ++ T.unpack (upin pUser))
|
|
--Delete user
|
|
Web.Scotty.delete "/api/user/:id" $ do
|
|
userId <- param "id"
|
|
let r = mkRegex "^[a-f0-9]{24}$"
|
|
if matchTest r userId
|
|
then do
|
|
liftIO $ run (deleteUser userId)
|
|
status ok200
|
|
else status noContent204
|
|
--Get current blockheight from Zcash node
|
|
get "/api/blockheight" $ do
|
|
blockInfo <- makeZcashCall nodeUser nodePwd "getblock" ["-1"]
|
|
let content = getResponseBody blockInfo :: RpcResponse Block
|
|
if isNothing (err content)
|
|
then do
|
|
status ok200
|
|
Web.Scotty.json $ fromMaybe (Block 0 0) (result content)
|
|
else do
|
|
status internalServerError500
|
|
--Get the ZGo node's shielded address
|
|
get "/api/getaddr" $ do Web.Scotty.json (object ["addr" .= nodeAddress])
|
|
--Get owner by address
|
|
get "/api/owner" $ do
|
|
addr <- param "address"
|
|
owner <- liftIO $ run (findOwner addr)
|
|
case owner of
|
|
Nothing -> status noContent204
|
|
Just o -> do
|
|
let pOwner = cast' (Doc o)
|
|
case pOwner of
|
|
Nothing -> status internalServerError500
|
|
Just q -> do
|
|
status ok200
|
|
Web.Scotty.json
|
|
(object
|
|
[ "message" .= ("Owner found!" :: String)
|
|
, "owner" .= toJSON (q :: Owner)
|
|
])
|
|
get "/api/ownerid" $ do
|
|
id <- param "id"
|
|
owner <- liftIO $ run (findOwnerById id)
|
|
case owner of
|
|
Nothing -> status noContent204
|
|
Just o -> do
|
|
let pOwner = cast' (Doc o)
|
|
case pOwner of
|
|
Nothing -> status internalServerError500
|
|
Just q -> do
|
|
status ok200
|
|
Web.Scotty.json
|
|
(object
|
|
[ "message" .= ("Owner found!" :: String)
|
|
, "owner" .= toJSON (q :: Owner)
|
|
])
|
|
--Upsert owner to DB
|
|
post "/api/owner" $ do
|
|
o <- jsonData
|
|
let q = payload (o :: Payload Owner)
|
|
known <- liftIO $ listAddresses nodeUser nodePwd
|
|
if not (opayconf q)
|
|
then do
|
|
_ <- liftIO $ run (upsertOwner q)
|
|
status created201
|
|
else do
|
|
if oaddress q `elem` map addy known
|
|
then do
|
|
_ <- liftIO $ run (upsertOwner q)
|
|
status created201
|
|
else do
|
|
vkInfo <-
|
|
makeZcashCall
|
|
nodeUser
|
|
nodePwd
|
|
"z_importviewingkey"
|
|
[Data.Aeson.String (oviewkey q), "no"]
|
|
let content = getResponseBody vkInfo :: RpcResponse Object
|
|
if isNothing (err content)
|
|
then do
|
|
_ <- liftIO $ run (upsertOwner q)
|
|
status created201
|
|
else do
|
|
status internalServerError500
|
|
--Get items associated with the given address
|
|
get "/api/items" $ do
|
|
addr <- param "address"
|
|
items <- liftIO $ run (findItems addr)
|
|
case items of
|
|
[] -> status noContent204
|
|
_ -> do
|
|
let pItems = map (cast' . Doc) items :: [Maybe Item]
|
|
status ok200
|
|
Web.Scotty.json
|
|
(object
|
|
["message" .= ("Items found!" :: String), "items" .= toJSON pItems])
|
|
--Upsert item
|
|
post "/api/item" $ do
|
|
i <- jsonData
|
|
let q = payload (i :: Payload Item)
|
|
_ <- liftIO $ run (upsertItem q)
|
|
status created201
|
|
--Delete item
|
|
Web.Scotty.delete "/api/item/:id" $ do
|
|
oId <- param "id"
|
|
let r = mkRegex "^[a-f0-9]{24}$"
|
|
if matchTest r oId
|
|
then do
|
|
liftIO $ run (deleteItem oId)
|
|
status ok200
|
|
else status noContent204
|
|
--Get price for Zcash
|
|
get "/api/price" $ do
|
|
curr <- param "currency"
|
|
pr <- liftIO $ run (findPrice curr)
|
|
case pr of
|
|
Nothing -> do
|
|
status noContent204
|
|
Just p -> do
|
|
Web.Scotty.json
|
|
(object
|
|
[ "message" .= ("Price found!" :: String)
|
|
, "price" .= toJSON (parseZGoPrice p)
|
|
])
|
|
--Get all closed orders for the address
|
|
get "/api/allorders" $ do
|
|
addr <- param "address"
|
|
myOrders <- liftIO $ run (findAllOrders addr)
|
|
case myOrders of
|
|
[] -> status noContent204
|
|
_ -> do
|
|
let pOrders = map (cast' . Doc) myOrders :: [Maybe ZGoOrder]
|
|
status ok200
|
|
Web.Scotty.json
|
|
(object
|
|
[ "message" .= ("Orders found!" :: String)
|
|
, "orders" .= toJSON pOrders
|
|
])
|
|
--Get order by id for receipts
|
|
get "/api/order/:id" $ do
|
|
oId <- param "id"
|
|
let r = mkRegex "^[a-f0-9]{24}$"
|
|
if matchTest r oId
|
|
then do
|
|
myOrder <- liftIO $ run (findOrderById oId)
|
|
case myOrder of
|
|
Nothing -> status noContent204
|
|
Just o -> do
|
|
let o' = cast' (Doc o)
|
|
case o' of
|
|
Nothing -> status internalServerError500
|
|
Just pOrder -> do
|
|
status ok200
|
|
Web.Scotty.json
|
|
(object
|
|
[ "message" .= ("Order found!" :: String)
|
|
, "order" .= toJSON (pOrder :: ZGoOrder)
|
|
])
|
|
else status noContent204
|
|
--Get order by session
|
|
get "/api/order" $ do
|
|
sess <- param "session"
|
|
myOrder <- liftIO $ run (findOrder sess)
|
|
case myOrder of
|
|
Nothing -> status noContent204
|
|
Just o -> do
|
|
let o' = cast' (Doc o)
|
|
case o' of
|
|
Nothing -> status internalServerError500
|
|
Just pOrder -> do
|
|
status ok200
|
|
Web.Scotty.json
|
|
(object
|
|
[ "message" .= ("Order found!" :: String)
|
|
, "order" .= toJSON (pOrder :: ZGoOrder)
|
|
])
|
|
--Upsert xero order
|
|
post "/api/orderx" $ do
|
|
newOrder <- jsonData
|
|
let q = payload (newOrder :: Payload ZGoOrder)
|
|
_ <- liftIO $ run (upsertXeroOrder q)
|
|
myOrder <-
|
|
liftIO $
|
|
run (findXeroOrder (qaddress q) (qexternalInvoice q) (qshortCode q))
|
|
case myOrder of
|
|
Nothing -> status noContent204
|
|
Just o -> do
|
|
let o' = cast' (Doc o)
|
|
case o' of
|
|
Nothing -> status internalServerError500
|
|
Just pOrder -> do
|
|
status created201
|
|
Web.Scotty.json
|
|
(object
|
|
[ "message" .= ("Order found!" :: String)
|
|
, "order" .= toJSON (pOrder :: ZGoOrder)
|
|
])
|
|
-- Upsert order
|
|
post "/api/order" $ do
|
|
newOrder <- jsonData
|
|
let q = payload (newOrder :: Payload ZGoOrder)
|
|
_ <- liftIO $ run (upsertOrder q)
|
|
status created201
|
|
--Delete order
|
|
Web.Scotty.delete "/api/order/:id" $ do
|
|
oId <- param "id"
|
|
liftIO $ run (deleteOrder oId)
|
|
status ok200
|
|
|
|
-- | Make a Zcash RPC call
|
|
makeZcashCall ::
|
|
(MonadIO m, FromJSON a)
|
|
=> BS.ByteString
|
|
-> BS.ByteString
|
|
-> T.Text
|
|
-> [Data.Aeson.Value]
|
|
-> m (Response a)
|
|
makeZcashCall username password m p = do
|
|
let payload =
|
|
RpcCall {jsonrpc = "1.0", callId = "test", method = m, parameters = p}
|
|
let myRequest =
|
|
setRequestBodyJSON payload $
|
|
setRequestPort 8232 $
|
|
setRequestBasicAuth username password $
|
|
setRequestMethod "POST" defaultRequest
|
|
httpJSON myRequest
|
|
|
|
-- |Timer for repeating actions
|
|
setInterval :: Int -> IO () -> IO ()
|
|
setInterval secs func = do
|
|
forever $ threadDelay (secs * 1000000) >> func
|
|
|
|
-- |Function to query the CoinGecko API for the price of Zcash
|
|
getZcashPrices :: IO (Response CoinGeckoPrices)
|
|
getZcashPrices = do
|
|
let priceRequest =
|
|
setRequestQueryString
|
|
[ ("ids", Just "zcash")
|
|
, ("vs_currencies", Just "usd,gbp,eur,cad,aud,nzd")
|
|
] $
|
|
setRequestPort 443 $
|
|
setRequestSecure True $
|
|
setRequestHost "api.coingecko.com" $
|
|
setRequestPath "/api/v3/simple/price" defaultRequest
|
|
httpJSON priceRequest
|
|
|
|
-- | Function to update the Zcash prices in the ZGo db
|
|
checkZcashPrices :: Pipe -> T.Text -> IO ()
|
|
checkZcashPrices p db = do
|
|
q <- getZcashPrices
|
|
mapM_ (access p master db) (updatePrices (getResponseBody q))
|
|
|
|
-- | Function to search for transactions for an address
|
|
listTxs ::
|
|
BS.ByteString
|
|
-> BS.ByteString
|
|
-> T.Text
|
|
-> Integer
|
|
-> IO (Either T.Text [ZcashTx])
|
|
listTxs user pwd a confs = do
|
|
res <-
|
|
liftIO $
|
|
makeZcashCall
|
|
user
|
|
pwd
|
|
"z_listreceivedbyaddress"
|
|
[Data.Aeson.String a, Data.Aeson.Number $ Scientific.scientific confs 0]
|
|
let content = getResponseBody res :: RpcResponse [ZcashTx]
|
|
case err content of
|
|
Nothing ->
|
|
return $ Right $ filter (not . zchange) $ fromMaybe [] $ result content
|
|
Just e -> return $ Left $ "Error reading transactions: " <> emessage e
|
|
|
|
-- | Function to check the ZGo full node for new txs
|
|
scanZcash :: Config -> Pipe -> IO ()
|
|
scanZcash config pipe = do
|
|
myTxs <-
|
|
listTxs (c_nodeUser config) (c_nodePwd config) (c_nodeAddress config) 1
|
|
case myTxs of
|
|
Right txs -> do
|
|
let r =
|
|
mkRegex
|
|
".*ZGO::([0-9a-fA-F]{8}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{12})\\sReply-To:\\s(zs[a-z0-9]{76}).*"
|
|
let p =
|
|
mkRegex
|
|
".*ZGOp::([0-9a-fA-F]{8}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{12}).*"
|
|
let y =
|
|
mkRegex
|
|
".*MSG\\s(zs[a-z0-9]{76})\\s+ZGO::([0-9a-fA-F]{8}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{4}\\b-[0-9a-fA-F]{12}).*"
|
|
let k = map zToZGoTx (filter (isRelevant r) txs)
|
|
mapM_ (access pipe master (c_dbName config) . upsertZGoTx "txs") k
|
|
let j = map zToZGoTx (filter (isRelevant p) txs)
|
|
mapM_ (upsertPayment pipe (c_dbName config)) j
|
|
let l = map zToZGoTx (filter (isRelevant y) txs)
|
|
mapM_ (access pipe master (c_dbName config) . upsertZGoTx "txs") l
|
|
Left e -> do
|
|
putStrLn $ "Error scanning node transactions: " ++ T.unpack e
|
|
return ()
|
|
|
|
-- | Function to filter transactions
|
|
isRelevant :: Text.Regex.Regex -> ZcashTx -> Bool
|
|
isRelevant re t
|
|
| zconfirmations t < 10 && (matchTest re . T.unpack . zmemo) t = True
|
|
| otherwise = False
|
|
|
|
-- | Function to scan loaded viewing keys for payments
|
|
scanPayments :: Config -> Pipe -> IO ()
|
|
scanPayments config pipe = do
|
|
shops <- listAddresses (c_nodeUser config) (c_nodePwd config)
|
|
mapM_ (findPaidOrders config pipe) shops
|
|
where
|
|
findPaidOrders :: Config -> Pipe -> ZcashAddress -> IO ()
|
|
findPaidOrders c p z = do
|
|
paidTxs <- listTxs (c_nodeUser c) (c_nodePwd c) (addy z) 5
|
|
case paidTxs of
|
|
Right txs -> do
|
|
let r = mkRegex ".*ZGo Order::([0-9a-fA-F]{24}).*"
|
|
let k = filter (isRelevant r) txs
|
|
let j = map (getOrderId r) k
|
|
mapM_ (access p master (c_dbName config) . markOrderPaid) j
|
|
Left e -> putStrLn $ T.unpack e
|
|
getOrderId :: Text.Regex.Regex -> ZcashTx -> (String, Double)
|
|
getOrderId re t = do
|
|
let reg = matchAllText re (T.unpack $ zmemo t)
|
|
if not (null reg)
|
|
then (fst $ head reg ! 1, zamount t)
|
|
else ("", 0)
|
|
|
|
-- | RPC methods
|
|
-- | List addresses with viewing keys loaded
|
|
listAddresses :: BS.ByteString -> BS.ByteString -> IO [ZcashAddress]
|
|
listAddresses user pwd = do
|
|
response <- makeZcashCall user pwd "listaddresses" []
|
|
let rpcResp = getResponseBody response
|
|
case rpcResp of
|
|
Nothing -> fail "Couldn't parse node response"
|
|
Just res -> do
|
|
let addys = fromMaybe [] $ result res :: [AddressGroup]
|
|
let addList = concatMap getAddresses addys
|
|
return $ filter (\a -> source a == ImportedWatchOnly) addList
|
|
|
|
-- | Helper function to extract addresses from AddressGroups
|
|
getAddresses :: AddressGroup -> [ZcashAddress]
|
|
getAddresses ag = agtransparent ag <> agsapling ag <> agunified ag
|
|
|
|
-- | Function to generate users from login txs
|
|
updateLogins :: Pipe -> Config -> IO ()
|
|
updateLogins pipe config = do
|
|
let db = c_dbName config
|
|
let nodeUser = c_nodeUser config
|
|
let nodePwd = c_nodePwd config
|
|
let addr = c_nodeAddress config
|
|
results <-
|
|
access
|
|
pipe
|
|
master
|
|
db
|
|
(rest =<<
|
|
find (select ["confirmations" =: ["$lt" =: (100 :: Integer)]] "txs"))
|
|
let parsed = map (cast' . Doc) results
|
|
mapM_
|
|
(access pipe master db . ZGoBackend.addUser nodeUser nodePwd pipe db addr)
|
|
parsed
|
|
|
|
-- | Function to mark owners as paid
|
|
checkPayments :: Pipe -> T.Text -> IO ()
|
|
checkPayments pipe db = do
|
|
qPayments <-
|
|
access pipe master db (rest =<< find (select ["done" =: False] "payments"))
|
|
let parsedPayments = map (cast' . Doc) qPayments
|
|
mapM_ (payOwner pipe db) parsedPayments
|
|
|
|
payOwner :: Pipe -> T.Text -> Maybe Payment -> IO ()
|
|
payOwner p d x =
|
|
case x of
|
|
Nothing -> return ()
|
|
Just k -> do
|
|
now <- getCurrentTime
|
|
if posixSecondsToUTCTime (fromInteger (pblocktime k + pdelta k)) <= now
|
|
then markPaymentDone p d k
|
|
else markOwnerPaid p d k
|
|
where markPaymentDone :: Pipe -> T.Text -> Payment -> IO ()
|
|
markPaymentDone pipe db pmt = do
|
|
_ <-
|
|
access
|
|
pipe
|
|
master
|
|
db
|
|
(modify
|
|
(select ["_id" =: p_id pmt] "payments")
|
|
["$set" =: ["done" =: True]])
|
|
return ()
|
|
markOwnerPaid :: Pipe -> T.Text -> Payment -> IO ()
|
|
markOwnerPaid pipe db pmt = do
|
|
user <- access pipe master db (findUser $ psession pmt)
|
|
let parsedUser = parseUserBson =<< user
|
|
let zaddy = maybe "" uaddress parsedUser
|
|
owner <- access pipe master db $ findOwner zaddy
|
|
let ownerId = o_id =<< (cast' . Doc) =<< owner
|
|
if pdelta pmt > 90000000
|
|
then do
|
|
_ <-
|
|
access
|
|
pipe
|
|
master
|
|
db
|
|
(modify
|
|
(select ["_id" =: ownerId] "owners")
|
|
[ "$set" =:
|
|
[ "paid" =: True
|
|
, "invoices" =: True
|
|
, "expiration" =:
|
|
posixSecondsToUTCTime
|
|
(fromInteger
|
|
(pblocktime pmt + pdelta pmt - 90000000))
|
|
]
|
|
])
|
|
markPaymentDone pipe db pmt
|
|
else do
|
|
_ <-
|
|
access
|
|
pipe
|
|
master
|
|
db
|
|
(modify
|
|
(select ["_id" =: ownerId] "owners")
|
|
[ "$set" =:
|
|
[ "paid" =: True
|
|
, "expiration" =:
|
|
posixSecondsToUTCTime
|
|
(fromInteger (pblocktime pmt + pdelta pmt))
|
|
]
|
|
])
|
|
markPaymentDone pipe db pmt
|
|
|
|
expireOwners :: Pipe -> T.Text -> IO ()
|
|
expireOwners pipe db = do
|
|
now <- getCurrentTime
|
|
_ <-
|
|
access
|
|
pipe
|
|
master
|
|
db
|
|
(modify
|
|
(select ["expiration" =: ["$lt" =: now]] "owners")
|
|
["$set" =: ["paid" =: False]])
|
|
return ()
|
|
|
|
debug = flip trace
|