Parametrize fullnode credentials

app/Main.hs

@@ -15,10 +15,13 @@ main :: IO ()
 main = do
   putStrLn "Reading config..."
   config <- load ["zgo.cfg"]
+  dbHost <- require config "dbHost"
   dbName <- require config "dbName"
   dbUser <- require config "dbUser"
   dbPassword <- require config "dbPassword"
   nodeAddress <- require config "nodeAddress"
+  nodeUser <- require config "nodeUser"
+  nodePwd <- require config "nodePassword"
   passkey <- secureMemFromByteString <$> require config "passkey"
   port <- require config "port"
   useTls <- require config "tls"
@@ -29,16 +32,17 @@ main = do
           then Just $ tlsSettings cert key
           else Nothing
   putStrLn "Starting Server..."
-  pipe <- connect $ host "127.0.0.1"
+  pipe <- connect $ host dbHost
   j <- access pipe master dbName (auth dbUser dbPassword)
   if j
     then putStrLn "Connected to MongoDB!"
     else fail "MongoDB connection failed!"
   _ <- forkIO (setInterval 60 (checkZcashPrices pipe dbName))
-  _ <- forkIO (setInterval 75 (scanZcash nodeAddress pipe dbName))
+  _ <-
+    forkIO (setInterval 75 (scanZcash nodeAddress pipe dbName nodeUser nodePwd))
   _ <- forkIO (setInterval 60 (checkPayments pipe dbName))
   _ <- forkIO (setInterval 60 (expireOwners pipe dbName))
-  let appRoutes = routes pipe dbName passkey nodeAddress
+  let appRoutes = routes pipe dbName passkey nodeAddress nodeUser nodePwd
   case myTlsSettings of
     Nothing -> scotty port appRoutes
     Just tls -> do

src/ZGoBackend.hs

@@ -247,8 +247,14 @@ instance FromJSON CoinGeckoPrices where
 listCountries :: Action IO [Document]
 listCountries = rest =<< find (select [] "countries")
 
-sendPin :: T.Text -> T.Text -> T.Text -> Action IO String
-sendPin nodeAddress addr pin = do
+sendPin ::
+     BS.ByteString
+  -> BS.ByteString
+  -> T.Text
+  -> T.Text
+  -> T.Text
+  -> Action IO String
+sendPin nodeUser nodePwd nodeAddress addr pin = do
   let payload =
         [ Data.Aeson.String nodeAddress
         , Data.Aeson.Array
@@ -260,20 +266,27 @@ sendPin nodeAddress addr pin = do
                    ]
                ])
         ]
-  r <- makeZcashCall "z_sendmany" payload
+  r <- makeZcashCall nodeUser nodePwd "z_sendmany" payload
   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 :: Pipe -> T.Text -> T.Text -> Maybe ZGoTx -> Action IO ()
-addUser _ _ _ Nothing = return () --`debug` "addUser got Nothing"
-addUser p db node (Just tx) = do
+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
-    _ <- sendPin node (address tx) newPin
+    _ <- sendPin nodeUser nodePwd node (address tx) newPin
     insert_
       "users"
       [ "address" =: address tx
@@ -314,8 +327,15 @@ upsertZGoTx coll t = do
   upsert (select ["txid" =: txid t] coll) (encodeZGoTxBson t)
 
 -- | Main API routes
-routes :: Pipe -> T.Text -> SecureMem -> T.Text -> ScottyM ()
-routes pipe db passkey nodeAddress = do
+routes ::
+     Pipe
+  -> T.Text
+  -> SecureMem
+  -> T.Text
+  -> BS.ByteString
+  -> BS.ByteString
+  -> ScottyM ()
+routes pipe db passkey nodeAddress nodeUser nodePwd = do
   let run = access pipe master db
   middleware $
     cors $
@@ -392,7 +412,7 @@ routes pipe db passkey nodeAddress = do
                {-])-}
     --Get current blockheight from Zcash node
   get "/api/blockheight" $ do
-    blockInfo <- makeZcashCall "getblock" ["-1"]
+    blockInfo <- makeZcashCall nodeUser nodePwd "getblock" ["-1"]
     Web.Scotty.json (result (getResponseBody blockInfo :: RpcResponse Block))
     --Get transactions associated with ZGo node
     --get "/api/txs" $ do
@@ -522,10 +542,13 @@ routes pipe db passkey nodeAddress = do
 
 -- |Make a Zcash RPC call
 makeZcashCall ::
-     (MonadIO m, FromJSON a) => T.Text -> [Data.Aeson.Value] -> m (Response a)
-makeZcashCall m p = do
-  let username = "zecwallet"
-  let password = "rdsxlun6v4a"
+     (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 =
@@ -559,9 +582,14 @@ checkZcashPrices p db = do
   mapM_ (access p master db) (updatePrices (getResponseBody q))
 
 -- | Function to check the ZGo full node for new txs
-scanZcash :: T.Text -> Pipe -> T.Text -> IO ()
-scanZcash addr pipe db = do
-  res <- makeZcashCall "z_listreceivedbyaddress" [Data.Aeson.String addr]
+scanZcash :: T.Text -> Pipe -> T.Text -> BS.ByteString -> BS.ByteString -> IO ()
+scanZcash addr pipe db nodeUser nodePwd = do
+  res <-
+    makeZcashCall
+      nodeUser
+      nodePwd
+      "z_listreceivedbyaddress"
+      [Data.Aeson.String addr]
   let txs =
         filter (not . zchange) $
         result (getResponseBody res :: RpcResponse [ZcashTx])
@@ -577,8 +605,9 @@ scanZcash addr pipe db = do
   mapM_ (access pipe master db . upsertPayment) j
 
 -- | Function to generate users from login txs
-updateLogins :: T.Text -> Pipe -> T.Text -> IO ()
-updateLogins addr pipe db = do
+updateLogins ::
+     BS.ByteString -> BS.ByteString -> T.Text -> Pipe -> T.Text -> IO ()
+updateLogins nodeUser nodePwd addr pipe db = do
   results <-
     access
       pipe
@@ -587,7 +616,9 @@ updateLogins addr pipe db = do
       (rest =<<
        find (select ["confirmations" =: ["$lt" =: (100 :: Integer)]] "txs"))
   let parsed = map (cast' . Doc) results
-  mapM_ (access pipe master db . ZGoBackend.addUser pipe db addr) parsed
+  mapM_
+    (access pipe master db . ZGoBackend.addUser nodeUser nodePwd pipe db addr)
+    parsed
   putStrLn "Updated logins!"
 
 -- | Function to mark owners as paid

zgo.cfg

@@ -1,8 +1,11 @@
 passkey = "superSecret"
 nodeAddress = "zs1xnpqd2tae9d95f8fhe4l0q7j44a5vf993m0pcnnvr56uqr4lgqlamesk5v4c5rhtvywc6lvlduy"
+dbHost = "127.0.0.1"
 dbName = "zgo"
 dbUser = "zgo"
 dbPassword = "zcashrules"
+nodeUser = "zecwallet"
+nodePassword = "rdsxlun6v4a"
 port = 3000
 tls = false
 certificate = "/path/to/cert.pem"