{-# LANGUAGE ApplicativeDo #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TupleSections #-}
module Main where
import Control.Arrow (second)
import Control.Monad (when)
import Control.Monad.Logger (LogLevel (..), filterLogger, logInfoS,
runStderrLoggingT)
import Data.List (intercalate)
import Data.Maybe (fromMaybe)
import Data.String.Conversions (cs)
import Data.Version (showVersion)
import Database.Redis (defaultConnectInfo, parseConnectInfo,
withCheckedConnect)
import Haskoin (Network (..), allNets, bch,
bchRegTest, bchTest, btc, btcRegTest,
btcTest)
import Haskoin.Node (Host, Port)
import Haskoin.Store (CacheReaderConfig (..),
MaxLimits (..), StoreConfig (..),
Timeouts (..), WebConfig (..),
connectRocksDB, runWeb, withStore)
import NQE (inboxToMailbox, newInbox,
withPublisher)
import Options.Applicative (Parser, auto, eitherReader,
execParser, fullDesc, header, help,
helper, info, long, many, metavar,
option, progDesc, short, showDefault,
strOption, switch, value)
import Paths_haskoin_store as P
import System.Exit (die, exitSuccess)
import System.FilePath ((</>))
import System.IO.Unsafe (unsafePerformIO)
import Text.Read (readMaybe)
import UnliftIO (MonadUnliftIO, liftIO, withRunInIO)
import UnliftIO.Directory (createDirectoryIfMissing,
getAppUserDataDirectory)
data Config = Config
{ configDir :: !FilePath
, configPort :: !Int
, configNetwork :: !Network
, configDiscover :: !Bool
, configPeers :: ![(Host, Maybe Port)]
, configVersion :: !Bool
, configDebug :: !Bool
, configReqLog :: !Bool
, configMaxLimits :: !MaxLimits
, configTimeouts :: !Timeouts
, configRedis :: !Bool
, configRedisURL :: !String
}
defPort :: Int
defPort = 3000
defNetwork :: Network
defNetwork = btc
netNames :: String
netNames = intercalate "|" (map getNetworkName allNets)
defMaxLimits :: MaxLimits
defMaxLimits =
MaxLimits
{ maxLimitCount = 20000
, maxLimitFull = 5000
, maxLimitOffset = 50000
, maxLimitDefault = 2000
, maxLimitGap = 32
}
defTimeouts :: Timeouts
defTimeouts = Timeouts {blockTimeout = 7200, txTimeout = 600}
config :: Parser Config
config = do
configDir <-
strOption $
metavar "WORKDIR" <> long "dir" <> short 'd' <> help "Data directory" <>
showDefault <>
value myDirectory
configPort <-
option auto $
metavar "PORT" <> long "listen" <> short 'l' <> help "Listening port" <>
showDefault <>
value defPort
configNetwork <-
option (eitherReader networkReader) $
metavar netNames <> long "net" <> short 'n' <>
help "Network to connect to" <>
showDefault <>
value defNetwork
configDiscover <- switch $ long "auto" <> short 'a' <> help "Peer discovery"
configPeers <-
many . option (eitherReader peerReader) $
metavar "HOST" <> long "peer" <> short 'p' <>
help "Network peer (as many as required)"
configVersion <- switch $ long "version" <> short 'v' <> help "Show version"
configDebug <- switch $ long "debug" <> help "Show debug messages"
configReqLog <- switch $ long "reqlog" <> help "HTTP request logging"
maxLimitCount <-
option auto $
metavar "MAXLIMIT" <> long "maxlimit" <>
help "Max limit for listings (0 for no limit)" <>
showDefault <>
value (maxLimitCount defMaxLimits)
maxLimitFull <-
option auto $
metavar "MAXLIMITFULL" <> long "maxfull" <>
help "Max limit for full listings (0 for no limit)" <>
showDefault <>
value (maxLimitFull defMaxLimits)
maxLimitOffset <-
option auto $
metavar "MAXOFFSET" <> long "maxoffset" <>
help "Max offset (0 for no limit)" <>
showDefault <>
value (maxLimitOffset defMaxLimits)
maxLimitDefault <-
option auto $
metavar "LIMITDEFAULT" <> long "deflimit" <>
help "Default limit (0 for max)" <>
showDefault <>
value (maxLimitDefault defMaxLimits)
maxLimitGap <-
option auto $
metavar "MAXGAP" <> long "maxgap" <> help "Max gap for xpub queries" <>
showDefault <>
value (maxLimitGap defMaxLimits)
blockTimeout <-
option auto $
metavar "BLOCKSECONDS" <> long "blocktimeout" <>
help "Last block mined timeout (0 for infinite)" <>
showDefault <>
value (blockTimeout defTimeouts)
txTimeout <-
option auto $
metavar "TXSECONDS" <> long "txtimeout" <>
help "Last transaction broadcast timeout (0 for infinite)" <>
showDefault <>
value (txTimeout defTimeouts)
configRedis <-
switch $ long "cache" <> help "Redis cache for extended public keys"
configRedisURL <-
strOption $
metavar "URL" <> long "redis" <> help "URL for Redis cache" <> value ""
pure
Config
{ configMaxLimits = MaxLimits {..}
, configTimeouts = Timeouts {..}
, ..
}
networkReader :: String -> Either String Network
networkReader s
| s == getNetworkName btc = Right btc
| s == getNetworkName btcTest = Right btcTest
| s == getNetworkName btcRegTest = Right btcRegTest
| s == getNetworkName bch = Right bch
| s == getNetworkName bchTest = Right bchTest
| s == getNetworkName bchRegTest = Right bchRegTest
| otherwise = Left "Network name invalid"
peerReader :: String -> Either String (Host, Maybe Port)
peerReader s = do
let (host, p) = span (/= ':') s
when (null host) (Left "Peer name or address not defined")
port <-
case p of
[] -> return Nothing
':':p' ->
case readMaybe p' of
Nothing -> Left "Peer port number cannot be read"
Just n -> return (Just n)
_ -> Left "Peer information could not be parsed"
return (host, port)
myDirectory :: FilePath
myDirectory = unsafePerformIO $ getAppUserDataDirectory "haskoin-store"
{-# NOINLINE myDirectory #-}
main :: IO ()
main = do
conf <- liftIO (execParser opts)
when (configVersion conf) . liftIO $ do
putStrLn $ showVersion P.version
exitSuccess
when (null (configPeers conf) && not (configDiscover conf)) . liftIO $
die "ERROR: Specify peers to connect or enable peer discovery."
run conf
where
opts =
info (helper <*> config) $
fullDesc <> progDesc "Blockchain store and API" <>
Options.Applicative.header
("haskoin-store version " <> showVersion P.version)
run :: MonadUnliftIO m => Config -> m ()
run Config { configPort = port
, configNetwork = net
, configDiscover = disc
, configPeers = peers
, configDir = db_dir
, configDebug = deb
, configMaxLimits = limits
, configReqLog = reqlog
, configTimeouts = tos
, configRedis = redis
, configRedisURL = redisurl
} =
runStderrLoggingT . filterLogger l $ do
$(logInfoS) "Main" $
"Creating working directory if not found: " <> cs wd
createDirectoryIfMissing True wd
db <- connectRocksDB (maxLimitGap limits) (wd </> "db")
withcache $ \maybecache ->
withPublisher $ \pub ->
let scfg =
StoreConfig
{ storeConfMaxPeers = 20
, storeConfInitPeers =
map
(second (fromMaybe (getDefaultPort net)))
peers
, storeConfDiscover = disc
, storeConfDB = db
, storeConfNetwork = net
, storeConfPublisher = pub
, storeConfCache = maybecache
, storeConfGap = maxLimitGap limits
}
in withStore scfg $ \st ->
let crcfg =
case maybecache of
Nothing -> Nothing
Just (conn, mbox) ->
Just
CacheReaderConfig
{ cacheReaderConn = conn
, cacheReaderWriter =
inboxToMailbox mbox
, cacheReaderGap =
maxLimitGap limits
}
wcfg =
WebConfig
{ webPort = port
, webNetwork = net
, webDB = db
, webPublisher = pub
, webStore = st
, webMaxLimits = limits
, webReqLog = reqlog
, webTimeouts = tos
, webCache = crcfg
}
in runWeb wcfg
where
withcache f =
if redis
then do
conninfo <-
if null redisurl
then return defaultConnectInfo
else case parseConnectInfo redisurl of
Left e -> error e
Right r -> return r
cachembox <- newInbox
withRunInIO $ \r ->
withCheckedConnect conninfo $ \conn ->
r $ f (Just (conn, cachembox))
else f Nothing
l _ lvl
| deb = True
| otherwise = LevelInfo <= lvl
wd = db_dir </> getNetworkName net