RPC Server #103
7 changed files with 430 additions and 188 deletions
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@ -20,6 +20,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
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- `getnewaccount` RPC method
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- `getnewaddress` RPC method
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- `getoperationstatus` RPC method
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- `sendmany` RPC method
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- Function `prepareTxV2` implementing `PrivacyPolicy`
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### Changed
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@ -27,6 +28,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
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- Detection of changes in database schema for automatic re-scan
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- Block tracking for chain re-org detection
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- Refactored `ZcashPool`
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- Preventing write operations to occur during wallet sync
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## [0.6.0.0-beta]
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@ -2,15 +2,22 @@
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module Server where
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import Control.Concurrent (forkIO, threadDelay)
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import Control.Exception (throwIO, try)
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import Control.Monad (when)
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import Control.Monad (forever, when)
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import Data.Configurator
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import Network.Wai.Handler.Warp (run)
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import Servant
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import ZcashHaskell.Types (ZebraGetBlockChainInfo(..), ZebraGetInfo(..))
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import Zenith.Core (checkBlockChain, checkZebra)
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import Zenith.DB (initDb)
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import Zenith.RPC (State(..), ZenithRPC(..), authenticate, zenithServer)
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import Zenith.RPC
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( State(..)
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, ZenithRPC(..)
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, authenticate
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, scanZebra
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, zenithServer
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)
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import Zenith.Scanner (rescanZebra)
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import Zenith.Types (Config(..))
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@ -39,6 +46,12 @@ main = do
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Left e2 -> throwIO $ userError e2
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Right x' -> do
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when x' $ rescanZebra zebraHost zebraPort dbFilePath
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_ <-
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forkIO $
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forever $ do
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_ <-
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scanZebra dbFilePath zebraHost zebraPort (zgb_net chainInfo)
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threadDelay 90000000
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let myState =
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State
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(zgb_net chainInfo)
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@ -102,6 +102,7 @@ import Zenith.Types
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, PrivacyPolicy(..)
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, UnifiedAddressDB(..)
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, ZcashNetDB(..)
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, ZenithStatus(..)
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)
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import Zenith.Utils
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( displayTaz
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@ -752,6 +753,10 @@ scanZebra dbP zHost zPort b eChan znet = do
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pool <- liftIO $ runNoLoggingT $ initPool dbP
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dbBlock <- liftIO $ getMaxBlock pool $ ZcashNetDB znet
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chkBlock <- liftIO $ checkIntegrity dbP zHost zPort dbBlock 1
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syncChk <- liftIO $ isSyncing pool
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if syncChk
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then liftIO $ BC.writeBChan eChan $ TickMsg "Sync alread in progress"
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else do
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logDebugN $
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"dbBlock: " <>
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T.pack (show dbBlock) <> " chkBlock: " <> T.pack (show chkBlock)
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@ -762,24 +767,31 @@ scanZebra dbP zHost zPort b eChan znet = do
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else max chkBlock b
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if sb > zgb_blocks bStatus || sb < 1
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then do
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liftIO $ BC.writeBChan eChan $ TickMsg "Invalid starting block for scan"
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liftIO $
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BC.writeBChan eChan $ TickMsg "Invalid starting block for scan"
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else do
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let bList = [(sb + 1) .. (zgb_blocks bStatus)]
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if not (null bList)
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then do
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let step =
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(1.0 :: Float) / fromIntegral (zgb_blocks bStatus - (sb + 1))
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(1.0 :: Float) /
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fromIntegral (zgb_blocks bStatus - (sb + 1))
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_ <- liftIO $ startSync pool
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mapM_ (liftIO . processBlock pool step) bList
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else liftIO $ BC.writeBChan eChan $ TickVal 1.0
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confUp <-
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liftIO $ try $ updateConfs zHost zPort pool :: LoggingT
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IO
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(Either IOError ())
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case confUp of
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Left _e0 ->
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Left _e0 -> do
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_ <- liftIO $ completeSync pool Failed
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liftIO $
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BC.writeBChan eChan $ TickMsg "Failed to update unconfirmed transactions"
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Right _ -> return ()
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BC.writeBChan eChan $
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TickMsg "Failed to update unconfirmed transactions"
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Right _ -> do
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_ <- liftIO $ completeSync pool Successful
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return ()
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else liftIO $ BC.writeBChan eChan $ TickVal 1.0
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where
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processBlock :: ConnectionPool -> Float -> Int -> IO ()
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processBlock pool step bl = do
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@ -791,7 +803,9 @@ scanZebra dbP zHost zPort b eChan znet = do
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"getblock"
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[Data.Aeson.String $ T.pack $ show bl, jsonNumber 1]
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case r of
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Left e1 -> liftIO $ BC.writeBChan eChan $ TickMsg e1
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Left e1 -> do
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_ <- liftIO $ completeSync pool Failed
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liftIO $ BC.writeBChan eChan $ TickMsg e1
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Right blk -> do
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r2 <-
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liftIO $
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@ -801,7 +815,9 @@ scanZebra dbP zHost zPort b eChan znet = do
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"getblock"
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[Data.Aeson.String $ T.pack $ show bl, jsonNumber 0]
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case r2 of
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Left e2 -> liftIO $ BC.writeBChan eChan $ TickMsg e2
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Left e2 -> do
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_ <- liftIO $ completeSync pool Failed
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liftIO $ BC.writeBChan eChan $ TickMsg e2
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Right hb -> do
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let blockTime = getBlockTime hb
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bi <-
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@ -291,6 +291,13 @@ share
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result T.Text Maybe
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UniqueOp uuid
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deriving Show Eq
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ChainSync
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name T.Text
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start UTCTime
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end UTCTime Maybe
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status ZenithStatus
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UniqueSync name
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deriving Show Eq
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|]
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-- ** Type conversions
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@ -2329,6 +2336,46 @@ finalizeOperation pool op status result = do
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]
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where_ (ops ^. OperationId ==. val op)
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-- * Chain sync
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-- | Check if the wallet is currently running a sync
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isSyncing :: ConnectionPool -> IO Bool
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isSyncing pool = do
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s <-
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runNoLoggingT $
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PS.retryOnBusy $
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flip PS.runSqlPool pool $
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selectOne $ do
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r <- from $ table @ChainSync
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where_ $ r ^. ChainSyncStatus ==. val Processing
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pure r
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case s of
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Nothing -> return False
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Just _ -> return True
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-- | Record the start of a sync
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startSync :: ConnectionPool -> IO ()
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startSync pool = do
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start <- getCurrentTime
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_ <-
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runNoLoggingT $
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PS.retryOnBusy $
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flip PS.runSqlPool pool $
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upsert (ChainSync "Internal" start Nothing Processing) []
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return ()
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-- | Complete a sync
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completeSync :: ConnectionPool -> ZenithStatus -> IO ()
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completeSync pool st = do
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end <- getCurrentTime
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_ <-
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runNoLoggingT $
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PS.retryOnBusy $
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flip PS.runSqlPool pool $
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update $ \s -> do
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set s [ChainSyncEnd =. val (Just end), ChainSyncStatus =. val st]
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where_ (s ^. ChainSyncName ==. val "Internal")
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return ()
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-- | Rewind the data store to a given block height
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rewindWalletData :: ConnectionPool -> Int -> IO ()
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rewindWalletData pool b = do
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@ -1475,7 +1475,6 @@ handleEvent wenv node model evt =
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res <- liftIO $ updateAdrsInAdrBook pool d a a
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return $ ShowMessage "Address Book entry updated!!"
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-- model & recipientValid .~ ((model ^. privacyChoice) == Low) ]
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scanZebra :: T.Text -> T.Text -> Int -> ZcashNet -> (AppEvent -> IO ()) -> IO ()
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scanZebra dbPath zHost zPort net sendMsg = do
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bStatus <- liftIO $ checkBlockChain zHost zPort
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@ -1483,6 +1482,10 @@ scanZebra dbPath zHost zPort net sendMsg = do
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b <- liftIO $ getMinBirthdayHeight pool
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dbBlock <- getMaxBlock pool $ ZcashNetDB net
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chkBlock <- checkIntegrity dbPath zHost zPort dbBlock 1
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syncChk <- isSyncing pool
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if syncChk
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then sendMsg (ShowError "Sync already in progress")
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else do
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unless (chkBlock == dbBlock) $ rewindWalletData pool chkBlock
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let sb =
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if chkBlock == dbBlock
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@ -1495,12 +1498,19 @@ scanZebra dbPath zHost zPort net sendMsg = do
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if not (null bList)
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then do
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let step = (1.0 :: Float) / fromIntegral (length bList)
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_ <- startSync pool
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mapM_ (processBlock pool step) bList
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else sendMsg (SyncVal 1.0)
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confUp <- try $ updateConfs zHost zPort pool :: IO (Either IOError ())
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confUp <-
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try $ updateConfs zHost zPort pool :: IO (Either IOError ())
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case confUp of
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Left _e0 -> sendMsg (ShowError "Failed to update unconfirmed transactions")
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Right _ -> return ()
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Left _e0 -> do
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_ <- completeSync pool Failed
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sendMsg
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(ShowError "Failed to update unconfirmed transactions")
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Right _ -> do
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_ <- completeSync pool Successful
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return ()
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else sendMsg (SyncVal 1.0)
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where
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processBlock :: ConnectionPool -> Float -> Int -> IO ()
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processBlock pool step bl = do
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@ -1512,7 +1522,9 @@ scanZebra dbPath zHost zPort net sendMsg = do
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"getblock"
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[Data.Aeson.String $ showt bl, jsonNumber 1]
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case r of
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Left e1 -> sendMsg (ShowError $ showt e1)
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Left e1 -> do
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_ <- completeSync pool Failed
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sendMsg (ShowError $ showt e1)
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Right blk -> do
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r2 <-
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liftIO $
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@ -1522,7 +1534,9 @@ scanZebra dbPath zHost zPort net sendMsg = do
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"getblock"
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[Data.Aeson.String $ showt bl, jsonNumber 0]
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case r2 of
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Left e2 -> sendMsg (ShowError $ showt e2)
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Left e2 -> do
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_ <- completeSync pool Failed
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sendMsg (ShowError $ showt e2)
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Right hb -> do
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let blockTime = getBlockTime hb
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bi <-
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@ -14,8 +14,9 @@ module Zenith.RPC where
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import Control.Concurrent (forkIO)
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import Control.Exception (try)
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import Control.Monad (unless, when)
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import Control.Monad.IO.Class (liftIO)
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import Control.Monad.Logger (runFileLoggingT, runNoLoggingT)
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import Control.Monad.Logger (runFileLoggingT, runNoLoggingT, runStderrLoggingT)
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import Data.Aeson
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import qualified Data.HexString as H
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import Data.Int
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@ -27,7 +28,8 @@ import qualified Data.UUID as U
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import Data.UUID.V4 (nextRandom)
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import qualified Data.Vector as V
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import Database.Esqueleto.Experimental
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( entityKey
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( ConnectionPool
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, entityKey
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, entityVal
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, fromSqlKey
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, toSqlKey
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@ -36,13 +38,27 @@ import Servant
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import Text.Read (readMaybe)
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import ZcashHaskell.Keys (generateWalletSeedPhrase)
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import ZcashHaskell.Orchard (parseAddress)
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import ZcashHaskell.Types (RpcError(..), Scope(..), ZcashNet(..))
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import ZcashHaskell.Utils (makeZebraCall)
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import Zenith.Core (createCustomWalletAddress, createZcashAccount, prepareTxV2)
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import ZcashHaskell.Types
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( BlockResponse(..)
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, RpcError(..)
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, Scope(..)
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, ZcashNet(..)
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, ZebraGetBlockChainInfo(..)
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)
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import ZcashHaskell.Utils (getBlockTime, makeZebraCall)
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import Zenith.Core
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( checkBlockChain
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, createCustomWalletAddress
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, createZcashAccount
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, prepareTxV2
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, syncWallet
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)
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import Zenith.DB
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( Operation(..)
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, ZcashAccount(..)
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, ZcashBlock(..)
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, ZcashWallet(..)
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, completeSync
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, finalizeOperation
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, findNotesByAddress
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, getAccountById
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@ -53,24 +69,32 @@ import Zenith.DB
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, getLastSyncBlock
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, getMaxAccount
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, getMaxAddress
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, getMaxBlock
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, getMinBirthdayHeight
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, getOperation
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, getPoolBalance
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, getUnconfPoolBalance
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, getWalletNotes
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, getWallets
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, initPool
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, isSyncing
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, rewindWalletData
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, saveAccount
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, saveAddress
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, saveBlock
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, saveOperation
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, saveWallet
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, startSync
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, toZcashAccountAPI
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, toZcashAddressAPI
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, toZcashWalletAPI
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, walletExists
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)
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import Zenith.Scanner (checkIntegrity, processTx, updateConfs)
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import Zenith.Types
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( AccountBalance(..)
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, Config(..)
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, HexStringDB(..)
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, PhraseDB(..)
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, PrivacyPolicy(..)
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, ProposedNote(..)
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@ -622,8 +646,16 @@ zenithServer state = getinfo :<|> handleRPC
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case parameters req of
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NameParams t -> do
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let dbPath = w_dbPath state
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sP <- liftIO generateWalletSeedPhrase
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pool <- liftIO $ runNoLoggingT $ initPool dbPath
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syncChk <- liftIO $ isSyncing pool
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if syncChk
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then return $
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ErrorResponse
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(callId req)
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(-32012)
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"The Zenith server is syncing, please try again later."
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else do
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sP <- liftIO generateWalletSeedPhrase
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r <-
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liftIO $
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saveWallet pool $
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@ -650,6 +682,14 @@ zenithServer state = getinfo :<|> handleRPC
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NameIdParams t i -> do
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let dbPath = w_dbPath state
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pool <- liftIO $ runNoLoggingT $ initPool dbPath
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syncChk <- liftIO $ isSyncing pool
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if syncChk
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then return $
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ErrorResponse
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(callId req)
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(-32012)
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"The Zenith server is syncing, please try again later."
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else do
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w <- liftIO $ walletExists pool i
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case w of
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Just w' -> do
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@ -677,7 +717,10 @@ zenithServer state = getinfo :<|> handleRPC
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fromSqlKey $ entityKey x
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Nothing ->
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return $
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ErrorResponse (callId req) (-32008) "Wallet does not exist."
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ErrorResponse
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(callId req)
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(-32008)
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"Wallet does not exist."
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_anyOtherParams ->
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return $ ErrorResponse (callId req) (-32602) "Invalid params"
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GetNewAddress ->
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@ -686,7 +729,16 @@ zenithServer state = getinfo :<|> handleRPC
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let dbPath = w_dbPath state
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let net = w_network state
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pool <- liftIO $ runNoLoggingT $ initPool dbPath
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acc <- liftIO $ getAccountById pool $ toSqlKey $ fromIntegral i
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syncChk <- liftIO $ isSyncing pool
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if syncChk
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then return $
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ErrorResponse
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(callId req)
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(-32012)
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"The Zenith server is syncing, please try again later."
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else do
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acc <-
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liftIO $ getAccountById pool $ toSqlKey $ fromIntegral i
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case acc of
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Just acc' -> do
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maxAddr <-
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@ -705,7 +757,9 @@ zenithServer state = getinfo :<|> handleRPC
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case dbAddr of
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Just nAddr -> do
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return $
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NewAddrResponse (callId req) (toZcashAddressAPI nAddr)
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NewAddrResponse
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(callId req)
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(toZcashAddressAPI nAddr)
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Nothing ->
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return $
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ErrorResponse
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@ -714,7 +768,10 @@ zenithServer state = getinfo :<|> handleRPC
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"Entity with that name already exists."
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Nothing ->
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return $
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ErrorResponse (callId req) (-32006) "Account does not exist."
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ErrorResponse
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(callId req)
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(-32006)
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"Account does not exist."
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_anyOtherParams ->
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return $ ErrorResponse (callId req) (-32602) "Invalid params"
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GetOperationStatus ->
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|
@ -739,15 +796,29 @@ zenithServer state = getinfo :<|> handleRPC
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let zPort = w_port state
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let znet = w_network state
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pool <- liftIO $ runNoLoggingT $ initPool dbPath
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syncChk <- liftIO $ isSyncing pool
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if syncChk
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||||
then return $
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ErrorResponse
|
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(callId req)
|
||||
(-32012)
|
||||
"The Zenith server is syncing, please try again later."
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else do
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opid <- liftIO nextRandom
|
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startTime <- liftIO getCurrentTime
|
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opkey <-
|
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liftIO $
|
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saveOperation pool $
|
||||
Operation (ZenithUuid opid) startTime Nothing Processing Nothing
|
||||
Operation
|
||||
(ZenithUuid opid)
|
||||
startTime
|
||||
Nothing
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||||
Processing
|
||||
Nothing
|
||||
case opkey of
|
||||
Nothing ->
|
||||
return $ ErrorResponse (callId req) (-32010) "Internal Error"
|
||||
return $
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||||
ErrorResponse (callId req) (-32010) "Internal Error"
|
||||
Just opkey' -> do
|
||||
acc <-
|
||||
liftIO $ getAccountById pool $ toSqlKey $ fromIntegral a
|
||||
|
|
@ -812,3 +883,67 @@ authenticate config = BasicAuthCheck check
|
|||
packRpcResponse :: ToJSON a => T.Text -> a -> Value
|
||||
packRpcResponse i x =
|
||||
object ["jsonrpc" .= ("2.0" :: String), "id" .= i, "result" .= x]
|
||||
|
||||
scanZebra :: T.Text -> T.Text -> Int -> ZcashNet -> IO ()
|
||||
scanZebra dbPath zHost zPort net = do
|
||||
bStatus <- checkBlockChain zHost zPort
|
||||
pool <- runNoLoggingT $ initPool dbPath
|
||||
b <- getMinBirthdayHeight pool
|
||||
dbBlock <- getMaxBlock pool $ ZcashNetDB net
|
||||
chkBlock <- checkIntegrity dbPath zHost zPort dbBlock 1
|
||||
syncChk <- isSyncing pool
|
||||
unless syncChk $ do
|
||||
unless (chkBlock == dbBlock) $ rewindWalletData pool chkBlock
|
||||
let sb =
|
||||
if chkBlock == dbBlock
|
||||
then max dbBlock b
|
||||
else max chkBlock b
|
||||
unless (sb > zgb_blocks bStatus || sb < 1) $ do
|
||||
let bList = [(sb + 1) .. (zgb_blocks bStatus)]
|
||||
unless (null bList) $ do
|
||||
_ <- startSync pool
|
||||
mapM_ (processBlock pool) bList
|
||||
confUp <- try $ updateConfs zHost zPort pool :: IO (Either IOError ())
|
||||
case confUp of
|
||||
Left _e0 -> do
|
||||
_ <- completeSync pool Failed
|
||||
return ()
|
||||
Right _ -> do
|
||||
wals <- getWallets pool net
|
||||
runStderrLoggingT $
|
||||
mapM_
|
||||
(syncWallet (Config dbPath zHost zPort "user" "pwd" 8080))
|
||||
wals
|
||||
_ <- completeSync pool Successful
|
||||
return ()
|
||||
where
|
||||
processBlock :: ConnectionPool -> Int -> IO ()
|
||||
processBlock pool bl = do
|
||||
r <-
|
||||
makeZebraCall
|
||||
zHost
|
||||
zPort
|
||||
"getblock"
|
||||
[Data.Aeson.String $ T.pack (show bl), jsonNumber 1]
|
||||
case r of
|
||||
Left _ -> completeSync pool Failed
|
||||
Right blk -> do
|
||||
r2 <-
|
||||
makeZebraCall
|
||||
zHost
|
||||
zPort
|
||||
"getblock"
|
||||
[Data.Aeson.String $ T.pack (show bl), jsonNumber 0]
|
||||
case r2 of
|
||||
Left _ -> completeSync pool Failed
|
||||
Right hb -> do
|
||||
let blockTime = getBlockTime hb
|
||||
bi <-
|
||||
saveBlock pool $
|
||||
ZcashBlock
|
||||
(fromIntegral $ bl_height blk)
|
||||
(HexStringDB $ bl_hash blk)
|
||||
(fromIntegral $ bl_confirmations blk)
|
||||
blockTime
|
||||
(ZcashNetDB net)
|
||||
mapM_ (processTx zHost zPort bi pool) $ bl_txs blk
|
||||
|
|
|
|||
|
|
@ -37,6 +37,7 @@ import Zenith.DB
|
|||
, ZcashBlockId
|
||||
, clearWalletData
|
||||
, clearWalletTransactions
|
||||
, completeSync
|
||||
, getBlock
|
||||
, getMaxBlock
|
||||
, getMinBirthdayHeight
|
||||
|
|
@ -47,10 +48,16 @@ import Zenith.DB
|
|||
, saveBlock
|
||||
, saveConfs
|
||||
, saveTransaction
|
||||
, startSync
|
||||
, updateWalletSync
|
||||
, upgradeQrTable
|
||||
)
|
||||
import Zenith.Types (Config(..), HexStringDB(..), ZcashNetDB(..))
|
||||
import Zenith.Types
|
||||
( Config(..)
|
||||
, HexStringDB(..)
|
||||
, ZcashNetDB(..)
|
||||
, ZenithStatus(..)
|
||||
)
|
||||
import Zenith.Utils (jsonNumber)
|
||||
|
||||
-- | Function to scan the Zcash blockchain through the Zebra node and populate the Zenith database
|
||||
|
|
@ -74,6 +81,7 @@ rescanZebra host port dbFilePath = do
|
|||
upgradeQrTable pool1
|
||||
clearWalletTransactions pool1
|
||||
clearWalletData pool1
|
||||
_ <- startSync pool1
|
||||
dbBlock <- getMaxBlock pool1 znet
|
||||
b <- liftIO $ getMinBirthdayHeight pool1
|
||||
let sb = max dbBlock b
|
||||
|
|
@ -99,6 +107,7 @@ rescanZebra host port dbFilePath = do
|
|||
{-mapM_ (processBlock host port pool2 pg2 znet) bl2 `concurrently_`-}
|
||||
{-mapM_ (processBlock host port pool3 pg3 znet) bl3-}
|
||||
print "Please wait..."
|
||||
_ <- completeSync pool1 Successful
|
||||
print "Rescan complete"
|
||||
|
||||
-- | Function to process a raw block and extract the transaction information
|
||||
|
|
@ -119,7 +128,9 @@ processBlock host port pool pg net b = do
|
|||
"getblock"
|
||||
[Data.Aeson.String $ T.pack $ show b, jsonNumber 1]
|
||||
case r of
|
||||
Left e -> liftIO $ throwIO $ userError e
|
||||
Left e -> do
|
||||
_ <- completeSync pool Failed
|
||||
liftIO $ throwIO $ userError e
|
||||
Right blk -> do
|
||||
r2 <-
|
||||
liftIO $
|
||||
|
|
@ -129,7 +140,9 @@ processBlock host port pool pg net b = do
|
|||
"getblock"
|
||||
[Data.Aeson.String $ T.pack $ show b, jsonNumber 0]
|
||||
case r2 of
|
||||
Left e2 -> liftIO $ throwIO $ userError e2
|
||||
Left e2 -> do
|
||||
_ <- completeSync pool Failed
|
||||
liftIO $ throwIO $ userError e2
|
||||
Right hb -> do
|
||||
let blockTime = getBlockTime hb
|
||||
bi <-
|
||||
|
|
@ -160,7 +173,9 @@ processTx host port bt pool t = do
|
|||
"getrawtransaction"
|
||||
[Data.Aeson.String $ toText t, jsonNumber 1]
|
||||
case r of
|
||||
Left e -> liftIO $ throwIO $ userError e
|
||||
Left e -> do
|
||||
_ <- completeSync pool Failed
|
||||
liftIO $ throwIO $ userError e
|
||||
Right rawTx -> do
|
||||
case readZebraTransaction (ztr_hex rawTx) of
|
||||
Nothing -> return ()
|
||||
|
|
|
|||
Loading…
Reference in a new issue