{-# LANGUAGE FlexibleContexts #-}

module Haskoin.Store.Manager (
    StoreConfig (..),
    Store (..),
    withStore,
) where

import Control.Monad (forever, unless, when)
import Control.Monad.Logger (MonadLoggerIO)
import Control.Monad.Reader (ReaderT (ReaderT), runReaderT)
import Data.Serialize (decode)
import Data.Time.Clock (NominalDiffTime)
import Data.Word (Word32)
import Haskoin (
    BlockHash (..),
    Inv (..),
    InvType (..),
    InvVector (..),
    Message (..),
    MessageCommand (..),
    Network,
    NetworkAddress (..),
    NotFound (..),
    Pong (..),
    Reject (..),
    TxHash (..),
    VarString (..),
    sockToHostAddress,
 )
import Haskoin.Node (
    Chain,
    ChainEvent (..),
    HostPort,
    Node (..),
    NodeConfig (..),
    NodeEvent (..),
    PeerEvent (..),
    PeerManager,
    WithConnection,
    withNode,
 )
import Haskoin.Store.BlockStore (
    BlockStore,
    BlockStoreConfig (..),
    blockStoreBlockSTM,
    blockStoreHeadSTM,
    blockStoreNotFoundSTM,
    blockStorePeerConnectSTM,
    blockStorePeerDisconnectSTM,
    blockStoreTxHashSTM,
    blockStoreTxSTM,
    withBlockStore,
 )
import Haskoin.Store.Cache (
    CacheConfig (..),
    CacheWriter,
    cacheNewBlock,
    cacheNewTx,
    cacheWriter,
    connectRedis,
    newCacheMetrics,
 )
import Haskoin.Store.Common (
    StoreEvent (..),
    createDataMetrics,
 )
import Haskoin.Store.Database.Reader (
    DatabaseReader (..),
    DatabaseReaderT,
    withDatabaseReader,
 )
import NQE (
    Inbox,
    Process (..),
    Publisher,
    publishSTM,
    receive,
    withProcess,
    withPublisher,
    withSubscription,
 )
import Network.Socket (SockAddr (..))
import qualified System.Metrics as Metrics (Store)
import UnliftIO (
    MonadIO,
    MonadUnliftIO,
    STM,
    atomically,
    link,
    withAsync,
 )
import UnliftIO.Concurrent (threadDelay)

-- | Store mailboxes.
data Store = Store
    { Store -> PeerManager
storeManager :: !PeerManager
    , Store -> Chain
storeChain :: !Chain
    , Store -> BlockStore
storeBlock :: !BlockStore
    , Store -> DatabaseReader
storeDB :: !DatabaseReader
    , Store -> Maybe CacheConfig
storeCache :: !(Maybe CacheConfig)
    , Store -> Publisher StoreEvent
storePublisher :: !(Publisher StoreEvent)
    , Store -> Network
storeNetwork :: !Network
    }

-- | Configuration for a 'Store'.
data StoreConfig = StoreConfig
    { -- | max peers to connect to
      StoreConfig -> Int
storeConfMaxPeers :: !Int
    , -- | static set of peers to connect to
      StoreConfig -> [HostPort]
storeConfInitPeers :: ![HostPort]
    , -- | discover new peers
      StoreConfig -> Bool
storeConfDiscover :: !Bool
    , -- | RocksDB database path
      StoreConfig -> FilePath
storeConfDB :: !FilePath
    , -- | network constants
      StoreConfig -> Network
storeConfNetwork :: !Network
    , -- | Redis cache configuration
      StoreConfig -> Maybe FilePath
storeConfCache :: !(Maybe String)
    , -- | gap on extended public key with no transactions
      StoreConfig -> Word32
storeConfInitialGap :: !Word32
    , -- | gap for extended public keys
      StoreConfig -> Word32
storeConfGap :: !Word32
    , -- | cache xpubs with more than this many used addresses
      StoreConfig -> Int
storeConfCacheMin :: !Int
    , -- | maximum number of keys in Redis cache
      StoreConfig -> Integer
storeConfMaxKeys :: !Integer
    , -- | do not index new mempool transactions
      StoreConfig -> Bool
storeConfNoMempool :: !Bool
    , -- | wipe mempool when starting
      StoreConfig -> Bool
storeConfWipeMempool :: !Bool
    , -- | sync mempool from peers
      StoreConfig -> Bool
storeConfSyncMempool :: !Bool
    , -- | disconnect peer if message not received for this many seconds
      StoreConfig -> NominalDiffTime
storeConfPeerTimeout :: !NominalDiffTime
    , -- | disconnect peer if it has been connected this long
      StoreConfig -> NominalDiffTime
storeConfPeerMaxLife :: !NominalDiffTime
    , -- | connect to peers using the function 'withConnection'
      StoreConfig -> SockAddr -> WithConnection
storeConfConnect :: !(SockAddr -> WithConnection)
    , -- | delay in microseconds to retry getting cache lock
      StoreConfig -> Int
storeConfCacheRetryDelay :: !Int
    , -- | stats store
      StoreConfig -> Maybe Store
storeConfStats :: !(Maybe Metrics.Store)
    }

withStore ::
    (MonadLoggerIO m, MonadUnliftIO m) =>
    StoreConfig ->
    (Store -> m a) ->
    m a
withStore :: StoreConfig -> (Store -> m a) -> m a
withStore StoreConfig
cfg Store -> m a
action =
    StoreConfig -> DatabaseReaderT m a -> m a
forall (m :: * -> *) a.
MonadUnliftIO m =>
StoreConfig -> DatabaseReaderT m a -> m a
connectDB StoreConfig
cfg (DatabaseReaderT m a -> m a) -> DatabaseReaderT m a -> m a
forall a b. (a -> b) -> a -> b
$
        (DatabaseReader -> m a) -> DatabaseReaderT m a
forall r (m :: * -> *) a. (r -> m a) -> ReaderT r m a
ReaderT ((DatabaseReader -> m a) -> DatabaseReaderT m a)
-> (DatabaseReader -> m a) -> DatabaseReaderT m a
forall a b. (a -> b) -> a -> b
$ \DatabaseReader
db ->
            (Publisher StoreEvent -> m a) -> m a
forall (m :: * -> *) msg a.
MonadUnliftIO m =>
(Publisher msg -> m a) -> m a
withPublisher ((Publisher StoreEvent -> m a) -> m a)
-> (Publisher StoreEvent -> m a) -> m a
forall a b. (a -> b) -> a -> b
$ \Publisher StoreEvent
pub ->
                (Publisher NodeEvent -> m a) -> m a
forall (m :: * -> *) msg a.
MonadUnliftIO m =>
(Publisher msg -> m a) -> m a
withPublisher ((Publisher NodeEvent -> m a) -> m a)
-> (Publisher NodeEvent -> m a) -> m a
forall a b. (a -> b) -> a -> b
$ \Publisher NodeEvent
node_pub ->
                    Publisher NodeEvent -> (Inbox NodeEvent -> m a) -> m a
forall (m :: * -> *) msg a.
MonadUnliftIO m =>
Publisher msg -> (Inbox msg -> m a) -> m a
withSubscription Publisher NodeEvent
node_pub ((Inbox NodeEvent -> m a) -> m a)
-> (Inbox NodeEvent -> m a) -> m a
forall a b. (a -> b) -> a -> b
$ \Inbox NodeEvent
node_sub ->
                        NodeConfig -> (Node -> m a) -> m a
forall (m :: * -> *) a.
(MonadLoggerIO m, MonadUnliftIO m) =>
NodeConfig -> (Node -> m a) -> m a
withNode (StoreConfig -> DatabaseReader -> Publisher NodeEvent -> NodeConfig
nodeCfg StoreConfig
cfg DatabaseReader
db Publisher NodeEvent
node_pub) ((Node -> m a) -> m a) -> (Node -> m a) -> m a
forall a b. (a -> b) -> a -> b
$ \Node
node ->
                            StoreConfig
-> Chain
-> DatabaseReader
-> Publisher StoreEvent
-> (Maybe CacheConfig -> m a)
-> m a
forall (m :: * -> *) a.
(MonadUnliftIO m, MonadLoggerIO m) =>
StoreConfig
-> Chain
-> DatabaseReader
-> Publisher StoreEvent
-> (Maybe CacheConfig -> m a)
-> m a
withCache StoreConfig
cfg (Node -> Chain
nodeChain Node
node) DatabaseReader
db Publisher StoreEvent
pub ((Maybe CacheConfig -> m a) -> m a)
-> (Maybe CacheConfig -> m a) -> m a
forall a b. (a -> b) -> a -> b
$ \Maybe CacheConfig
mcache ->
                                BlockStoreConfig -> (BlockStore -> m a) -> m a
forall (m :: * -> *) a.
(MonadUnliftIO m, MonadLoggerIO m) =>
BlockStoreConfig -> (BlockStore -> m a) -> m a
withBlockStore (StoreConfig
-> Node
-> Publisher StoreEvent
-> DatabaseReader
-> BlockStoreConfig
blockStoreCfg StoreConfig
cfg Node
node Publisher StoreEvent
pub DatabaseReader
db) ((BlockStore -> m a) -> m a) -> (BlockStore -> m a) -> m a
forall a b. (a -> b) -> a -> b
$ \BlockStore
b ->
                                    m () -> (Async () -> m a) -> m a
forall (m :: * -> *) a b.
MonadUnliftIO m =>
m a -> (Async a -> m b) -> m b
withAsync (BlockStore -> Publisher StoreEvent -> Inbox NodeEvent -> m ()
forall (m :: * -> *).
MonadIO m =>
BlockStore -> Publisher StoreEvent -> Inbox NodeEvent -> m ()
nodeForwarder BlockStore
b Publisher StoreEvent
pub Inbox NodeEvent
node_sub) ((Async () -> m a) -> m a) -> (Async () -> m a) -> m a
forall a b. (a -> b) -> a -> b
$ \Async ()
a1 ->
                                        Async () -> m ()
forall (m :: * -> *) a. MonadIO m => Async a -> m ()
link Async ()
a1
                                            m () -> m a -> m a
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Store -> m a
action
                                                Store :: PeerManager
-> Chain
-> BlockStore
-> DatabaseReader
-> Maybe CacheConfig
-> Publisher StoreEvent
-> Network
-> Store
Store
                                                    { storeManager :: PeerManager
storeManager = Node -> PeerManager
nodeManager Node
node
                                                    , storeChain :: Chain
storeChain = Node -> Chain
nodeChain Node
node
                                                    , storeBlock :: BlockStore
storeBlock = BlockStore
b
                                                    , storeDB :: DatabaseReader
storeDB = DatabaseReader
db
                                                    , storeCache :: Maybe CacheConfig
storeCache = Maybe CacheConfig
mcache
                                                    , storePublisher :: Publisher StoreEvent
storePublisher = Publisher StoreEvent
pub
                                                    , storeNetwork :: Network
storeNetwork = StoreConfig -> Network
storeConfNetwork StoreConfig
cfg
                                                    }

connectDB :: MonadUnliftIO m => StoreConfig -> DatabaseReaderT m a -> m a
connectDB :: StoreConfig -> DatabaseReaderT m a -> m a
connectDB StoreConfig
cfg DatabaseReaderT m a
f = do
    Maybe DataMetrics
stats <- (Store -> m DataMetrics) -> Maybe Store -> m (Maybe DataMetrics)
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM Store -> m DataMetrics
forall (m :: * -> *). MonadIO m => Store -> m DataMetrics
createDataMetrics (StoreConfig -> Maybe Store
storeConfStats StoreConfig
cfg)
    Network
-> Word32
-> Word32
-> FilePath
-> Maybe DataMetrics
-> DatabaseReaderT m a
-> m a
forall (m :: * -> *) a.
MonadUnliftIO m =>
Network
-> Word32
-> Word32
-> FilePath
-> Maybe DataMetrics
-> DatabaseReaderT m a
-> m a
withDatabaseReader
        (StoreConfig -> Network
storeConfNetwork StoreConfig
cfg)
        (StoreConfig -> Word32
storeConfInitialGap StoreConfig
cfg)
        (StoreConfig -> Word32
storeConfGap StoreConfig
cfg)
        (StoreConfig -> FilePath
storeConfDB StoreConfig
cfg)
        Maybe DataMetrics
stats
        DatabaseReaderT m a
f

blockStoreCfg ::
    StoreConfig ->
    Node ->
    Publisher StoreEvent ->
    DatabaseReader ->
    BlockStoreConfig
blockStoreCfg :: StoreConfig
-> Node
-> Publisher StoreEvent
-> DatabaseReader
-> BlockStoreConfig
blockStoreCfg StoreConfig
cfg Node
node Publisher StoreEvent
pub DatabaseReader
db =
    BlockStoreConfig :: PeerManager
-> Chain
-> Publisher StoreEvent
-> DatabaseReader
-> Network
-> Bool
-> Bool
-> Bool
-> NominalDiffTime
-> Maybe Store
-> BlockStoreConfig
BlockStoreConfig
        { blockConfChain :: Chain
blockConfChain = Node -> Chain
nodeChain Node
node
        , blockConfManager :: PeerManager
blockConfManager = Node -> PeerManager
nodeManager Node
node
        , blockConfListener :: Publisher StoreEvent
blockConfListener = Publisher StoreEvent
pub
        , blockConfDB :: DatabaseReader
blockConfDB = DatabaseReader
db
        , blockConfNet :: Network
blockConfNet = StoreConfig -> Network
storeConfNetwork StoreConfig
cfg
        , blockConfNoMempool :: Bool
blockConfNoMempool = StoreConfig -> Bool
storeConfNoMempool StoreConfig
cfg
        , blockConfWipeMempool :: Bool
blockConfWipeMempool = StoreConfig -> Bool
storeConfWipeMempool StoreConfig
cfg
        , blockConfSyncMempool :: Bool
blockConfSyncMempool = StoreConfig -> Bool
storeConfSyncMempool StoreConfig
cfg
        , blockConfPeerTimeout :: NominalDiffTime
blockConfPeerTimeout = StoreConfig -> NominalDiffTime
storeConfPeerTimeout StoreConfig
cfg
        , blockConfStats :: Maybe Store
blockConfStats = StoreConfig -> Maybe Store
storeConfStats StoreConfig
cfg
        }

nodeCfg ::
    StoreConfig ->
    DatabaseReader ->
    Publisher NodeEvent ->
    NodeConfig
nodeCfg :: StoreConfig -> DatabaseReader -> Publisher NodeEvent -> NodeConfig
nodeCfg StoreConfig
cfg DatabaseReader
db Publisher NodeEvent
pub =
    NodeConfig :: Int
-> DB
-> Maybe ColumnFamily
-> [HostPort]
-> Bool
-> NetworkAddress
-> Network
-> Publisher NodeEvent
-> NominalDiffTime
-> NominalDiffTime
-> (SockAddr -> WithConnection)
-> NodeConfig
NodeConfig
        { nodeConfMaxPeers :: Int
nodeConfMaxPeers = StoreConfig -> Int
storeConfMaxPeers StoreConfig
cfg
        , nodeConfDB :: DB
nodeConfDB = DatabaseReader -> DB
databaseHandle DatabaseReader
db
        , nodeConfColumnFamily :: Maybe ColumnFamily
nodeConfColumnFamily = Maybe ColumnFamily
forall a. Maybe a
Nothing
        , nodeConfPeers :: [HostPort]
nodeConfPeers = StoreConfig -> [HostPort]
storeConfInitPeers StoreConfig
cfg
        , nodeConfDiscover :: Bool
nodeConfDiscover = StoreConfig -> Bool
storeConfDiscover StoreConfig
cfg
        , nodeConfEvents :: Publisher NodeEvent
nodeConfEvents = Publisher NodeEvent
pub
        , nodeConfNetAddr :: NetworkAddress
nodeConfNetAddr =
            Word64 -> HostAddress -> NetworkAddress
NetworkAddress
                Word64
0
                (SockAddr -> HostAddress
sockToHostAddress (PortNumber -> Word32 -> SockAddr
SockAddrInet PortNumber
0 Word32
0))
        , nodeConfNet :: Network
nodeConfNet = StoreConfig -> Network
storeConfNetwork StoreConfig
cfg
        , nodeConfTimeout :: NominalDiffTime
nodeConfTimeout = StoreConfig -> NominalDiffTime
storeConfPeerTimeout StoreConfig
cfg
        , nodeConfPeerMaxLife :: NominalDiffTime
nodeConfPeerMaxLife = StoreConfig -> NominalDiffTime
storeConfPeerMaxLife StoreConfig
cfg
        , nodeConfConnect :: SockAddr -> WithConnection
nodeConfConnect = StoreConfig -> SockAddr -> WithConnection
storeConfConnect StoreConfig
cfg
        }

withCache ::
    (MonadUnliftIO m, MonadLoggerIO m) =>
    StoreConfig ->
    Chain ->
    DatabaseReader ->
    Publisher StoreEvent ->
    (Maybe CacheConfig -> m a) ->
    m a
withCache :: StoreConfig
-> Chain
-> DatabaseReader
-> Publisher StoreEvent
-> (Maybe CacheConfig -> m a)
-> m a
withCache StoreConfig
cfg Chain
chain DatabaseReader
db Publisher StoreEvent
pub Maybe CacheConfig -> m a
action =
    case StoreConfig -> Maybe FilePath
storeConfCache StoreConfig
cfg of
        Maybe FilePath
Nothing ->
            Maybe CacheConfig -> m a
action Maybe CacheConfig
forall a. Maybe a
Nothing
        Just FilePath
redisurl ->
            (Store -> m CacheMetrics) -> Maybe Store -> m (Maybe CacheMetrics)
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM Store -> m CacheMetrics
forall (m :: * -> *). MonadIO m => Store -> m CacheMetrics
newCacheMetrics (StoreConfig -> Maybe Store
storeConfStats StoreConfig
cfg) m (Maybe CacheMetrics) -> (Maybe CacheMetrics -> m a) -> m a
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \Maybe CacheMetrics
metrics ->
                FilePath -> m Connection
forall (m :: * -> *). MonadIO m => FilePath -> m Connection
connectRedis FilePath
redisurl m Connection -> (Connection -> m a) -> m a
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \Connection
conn ->
                    Publisher StoreEvent -> (Inbox StoreEvent -> m a) -> m a
forall (m :: * -> *) msg a.
MonadUnliftIO m =>
Publisher msg -> (Inbox msg -> m a) -> m a
withSubscription Publisher StoreEvent
pub ((Inbox StoreEvent -> m a) -> m a)
-> (Inbox StoreEvent -> m a) -> m a
forall a b. (a -> b) -> a -> b
$ \Inbox StoreEvent
evts ->
                        let conf :: CacheConfig
conf = Connection -> Maybe CacheMetrics -> CacheConfig
c Connection
conn Maybe CacheMetrics
metrics
                         in (Inbox CacheWriterMessage -> m ())
-> (Process CacheWriterMessage -> m a) -> m a
forall (m :: * -> *) msg a.
MonadUnliftIO m =>
(Inbox msg -> m ()) -> (Process msg -> m a) -> m a
withProcess (CacheConfig -> Inbox CacheWriterMessage -> m ()
forall (m :: * -> *).
(MonadUnliftIO m, MonadLoggerIO m) =>
CacheConfig -> Inbox CacheWriterMessage -> m ()
f CacheConfig
conf) ((Process CacheWriterMessage -> m a) -> m a)
-> (Process CacheWriterMessage -> m a) -> m a
forall a b. (a -> b) -> a -> b
$ \Process CacheWriterMessage
p ->
                                Inbox StoreEvent -> CacheWriter -> m a -> m a
forall (m :: * -> *) a.
MonadUnliftIO m =>
Inbox StoreEvent -> CacheWriter -> m a -> m a
cacheWriterProcesses Inbox StoreEvent
evts (Process CacheWriterMessage -> CacheWriter
forall msg. Process msg -> Mailbox msg
getProcessMailbox Process CacheWriterMessage
p) (m a -> m a) -> m a -> m a
forall a b. (a -> b) -> a -> b
$ do
                                    Maybe CacheConfig -> m a
action (CacheConfig -> Maybe CacheConfig
forall a. a -> Maybe a
Just CacheConfig
conf)
  where
    f :: CacheConfig -> Inbox CacheWriterMessage -> m ()
f CacheConfig
conf Inbox CacheWriterMessage
cwinbox = ReaderT DatabaseReader m () -> DatabaseReader -> m ()
forall r (m :: * -> *) a. ReaderT r m a -> r -> m a
runReaderT (CacheConfig
-> Inbox CacheWriterMessage -> ReaderT DatabaseReader m ()
forall (m :: * -> *).
(MonadUnliftIO m, MonadLoggerIO m, StoreReadExtra m) =>
CacheConfig -> Inbox CacheWriterMessage -> m ()
cacheWriter CacheConfig
conf Inbox CacheWriterMessage
cwinbox) DatabaseReader
db
    c :: Connection -> Maybe CacheMetrics -> CacheConfig
c Connection
conn Maybe CacheMetrics
metrics =
        CacheConfig :: Connection
-> Int
-> Integer
-> Chain
-> Int
-> Maybe CacheMetrics
-> CacheConfig
CacheConfig
            { cacheConn :: Connection
cacheConn = Connection
conn
            , cacheMin :: Int
cacheMin = StoreConfig -> Int
storeConfCacheMin StoreConfig
cfg
            , cacheChain :: Chain
cacheChain = Chain
chain
            , cacheMax :: Integer
cacheMax = StoreConfig -> Integer
storeConfMaxKeys StoreConfig
cfg
            , cacheRetryDelay :: Int
cacheRetryDelay = StoreConfig -> Int
storeConfCacheRetryDelay StoreConfig
cfg
            , cacheMetrics :: Maybe CacheMetrics
cacheMetrics = Maybe CacheMetrics
metrics
            }

cacheWriterProcesses ::
    MonadUnliftIO m =>
    Inbox StoreEvent ->
    CacheWriter ->
    m a ->
    m a
cacheWriterProcesses :: Inbox StoreEvent -> CacheWriter -> m a -> m a
cacheWriterProcesses Inbox StoreEvent
evts CacheWriter
cwm m a
action =
    m () -> (Async () -> m a) -> m a
forall (m :: * -> *) a b.
MonadUnliftIO m =>
m a -> (Async a -> m b) -> m b
withAsync m ()
events ((Async () -> m a) -> m a) -> (Async () -> m a) -> m a
forall a b. (a -> b) -> a -> b
$ \Async ()
a1 -> Async () -> m ()
forall (m :: * -> *) a. MonadIO m => Async a -> m ()
link Async ()
a1 m () -> m a -> m a
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> m a
action
  where
    events :: m ()
events = Inbox StoreEvent -> CacheWriter -> m ()
forall (m :: * -> *).
MonadIO m =>
Inbox StoreEvent -> CacheWriter -> m ()
cacheWriterEvents Inbox StoreEvent
evts CacheWriter
cwm

cacheWriterEvents :: MonadIO m => Inbox StoreEvent -> CacheWriter -> m ()
cacheWriterEvents :: Inbox StoreEvent -> CacheWriter -> m ()
cacheWriterEvents Inbox StoreEvent
evts CacheWriter
cwm =
    m () -> m ()
forall (f :: * -> *) a b. Applicative f => f a -> f b
forever (m () -> m ()) -> m () -> m ()
forall a b. (a -> b) -> a -> b
$
        Inbox StoreEvent -> m StoreEvent
forall (mbox :: * -> *) (m :: * -> *) msg.
(InChan mbox, MonadIO m) =>
mbox msg -> m msg
receive Inbox StoreEvent
evts m StoreEvent -> (StoreEvent -> m ()) -> m ()
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \StoreEvent
e ->
            StoreEvent
e StoreEvent -> CacheWriter -> m ()
forall (m :: * -> *).
MonadIO m =>
StoreEvent -> CacheWriter -> m ()
`cacheWriterDispatch` CacheWriter
cwm

cacheWriterDispatch :: MonadIO m => StoreEvent -> CacheWriter -> m ()
cacheWriterDispatch :: StoreEvent -> CacheWriter -> m ()
cacheWriterDispatch (StoreBestBlock BlockHash
_) = CacheWriter -> m ()
forall (m :: * -> *). MonadIO m => CacheWriter -> m ()
cacheNewBlock
cacheWriterDispatch (StoreMempoolNew TxHash
t) = TxHash -> CacheWriter -> m ()
forall (m :: * -> *). MonadIO m => TxHash -> CacheWriter -> m ()
cacheNewTx TxHash
t
cacheWriterDispatch (StoreMempoolDelete TxHash
t) = TxHash -> CacheWriter -> m ()
forall (m :: * -> *). MonadIO m => TxHash -> CacheWriter -> m ()
cacheNewTx TxHash
t
cacheWriterDispatch StoreEvent
_ = m () -> CacheWriter -> m ()
forall a b. a -> b -> a
const (() -> m ()
forall (m :: * -> *) a. Monad m => a -> m a
return ())

nodeForwarder ::
    MonadIO m =>
    BlockStore ->
    Publisher StoreEvent ->
    Inbox NodeEvent ->
    m ()
nodeForwarder :: BlockStore -> Publisher StoreEvent -> Inbox NodeEvent -> m ()
nodeForwarder BlockStore
b Publisher StoreEvent
pub Inbox NodeEvent
sub =
    m () -> m ()
forall (f :: * -> *) a b. Applicative f => f a -> f b
forever (m () -> m ()) -> m () -> m ()
forall a b. (a -> b) -> a -> b
$ Inbox NodeEvent -> m NodeEvent
forall (mbox :: * -> *) (m :: * -> *) msg.
(InChan mbox, MonadIO m) =>
mbox msg -> m msg
receive Inbox NodeEvent
sub m NodeEvent -> (NodeEvent -> m ()) -> m ()
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= STM () -> m ()
forall (m :: * -> *) a. MonadIO m => STM a -> m a
atomically (STM () -> m ()) -> (NodeEvent -> STM ()) -> NodeEvent -> m ()
forall b c a. (b -> c) -> (a -> b) -> a -> c
. BlockStore -> Publisher StoreEvent -> NodeEvent -> STM ()
storeDispatch BlockStore
b Publisher StoreEvent
pub

-- | Dispatcher of node events.
storeDispatch ::
    BlockStore ->
    Publisher StoreEvent ->
    NodeEvent ->
    STM ()
storeDispatch :: BlockStore -> Publisher StoreEvent -> NodeEvent -> STM ()
storeDispatch BlockStore
b Publisher StoreEvent
pub (PeerEvent (PeerConnected Peer
p)) = do
    StoreEvent -> Publisher StoreEvent -> STM ()
forall msg. msg -> Publisher msg -> STM ()
publishSTM (Peer -> StoreEvent
StorePeerConnected Peer
p) Publisher StoreEvent
pub
    Peer -> BlockStore -> STM ()
blockStorePeerConnectSTM Peer
p BlockStore
b
storeDispatch BlockStore
b Publisher StoreEvent
pub (PeerEvent (PeerDisconnected Peer
p)) = do
    StoreEvent -> Publisher StoreEvent -> STM ()
forall msg. msg -> Publisher msg -> STM ()
publishSTM (Peer -> StoreEvent
StorePeerDisconnected Peer
p) Publisher StoreEvent
pub
    Peer -> BlockStore -> STM ()
blockStorePeerDisconnectSTM Peer
p BlockStore
b
storeDispatch BlockStore
b Publisher StoreEvent
_ (ChainEvent (ChainBestBlock BlockNode
bn)) =
    BlockNode -> BlockStore -> STM ()
blockStoreHeadSTM BlockNode
bn BlockStore
b
storeDispatch BlockStore
_ Publisher StoreEvent
_ (ChainEvent ChainEvent
_) =
    () -> STM ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
storeDispatch BlockStore
_ Publisher StoreEvent
pub (PeerMessage Peer
p (MPong (Pong Word64
n))) =
    StoreEvent -> Publisher StoreEvent -> STM ()
forall msg. msg -> Publisher msg -> STM ()
publishSTM (Peer -> Word64 -> StoreEvent
StorePeerPong Peer
p Word64
n) Publisher StoreEvent
pub
storeDispatch BlockStore
b Publisher StoreEvent
_ (PeerMessage Peer
p (MBlock Block
block)) =
    Peer -> Block -> BlockStore -> STM ()
blockStoreBlockSTM Peer
p Block
block BlockStore
b
storeDispatch BlockStore
b Publisher StoreEvent
_ (PeerMessage Peer
p (MTx Tx
tx)) =
    Peer -> Tx -> BlockStore -> STM ()
blockStoreTxSTM Peer
p Tx
tx BlockStore
b
storeDispatch BlockStore
b Publisher StoreEvent
_ (PeerMessage Peer
p (MNotFound (NotFound [InvVector]
is))) = do
    let blocks :: [BlockHash]
blocks =
            [ Hash256 -> BlockHash
BlockHash Hash256
h
            | InvVector InvType
t Hash256
h <- [InvVector]
is
            , InvType
t InvType -> InvType -> Bool
forall a. Eq a => a -> a -> Bool
== InvType
InvBlock Bool -> Bool -> Bool
|| InvType
t InvType -> InvType -> Bool
forall a. Eq a => a -> a -> Bool
== InvType
InvWitnessBlock
            ]
    Bool -> STM () -> STM ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
unless ([BlockHash] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [BlockHash]
blocks) (STM () -> STM ()) -> STM () -> STM ()
forall a b. (a -> b) -> a -> b
$ Peer -> [BlockHash] -> BlockStore -> STM ()
blockStoreNotFoundSTM Peer
p [BlockHash]
blocks BlockStore
b
storeDispatch BlockStore
b Publisher StoreEvent
pub (PeerMessage Peer
p (MInv (Inv [InvVector]
is))) = do
    let txs :: [TxHash]
txs = [Hash256 -> TxHash
TxHash Hash256
h | InvVector InvType
t Hash256
h <- [InvVector]
is, InvType
t InvType -> InvType -> Bool
forall a. Eq a => a -> a -> Bool
== InvType
InvTx Bool -> Bool -> Bool
|| InvType
t InvType -> InvType -> Bool
forall a. Eq a => a -> a -> Bool
== InvType
InvWitnessTx]
    StoreEvent -> Publisher StoreEvent -> STM ()
forall msg. msg -> Publisher msg -> STM ()
publishSTM (Peer -> [TxHash] -> StoreEvent
StoreTxAnnounce Peer
p [TxHash]
txs) Publisher StoreEvent
pub
    Bool -> STM () -> STM ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
unless ([TxHash] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TxHash]
txs) (STM () -> STM ()) -> STM () -> STM ()
forall a b. (a -> b) -> a -> b
$ Peer -> [TxHash] -> BlockStore -> STM ()
blockStoreTxHashSTM Peer
p [TxHash]
txs BlockStore
b
storeDispatch BlockStore
_ Publisher StoreEvent
pub (PeerMessage Peer
p (MReject Reject
r)) =
    Bool -> STM () -> STM ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Reject -> MessageCommand
rejectMessage Reject
r MessageCommand -> MessageCommand -> Bool
forall a. Eq a => a -> a -> Bool
== MessageCommand
MCTx) (STM () -> STM ()) -> STM () -> STM ()
forall a b. (a -> b) -> a -> b
$
        case ByteString -> Either FilePath TxHash
forall a. Serialize a => ByteString -> Either FilePath a
decode (Reject -> ByteString
rejectData Reject
r) of
            Left FilePath
_ -> () -> STM ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
            Right TxHash
th ->
                let reject :: StoreEvent
reject =
                        Peer -> TxHash -> RejectCode -> ByteString -> StoreEvent
StoreTxReject
                            Peer
p
                            TxHash
th
                            (Reject -> RejectCode
rejectCode Reject
r)
                            (VarString -> ByteString
getVarString (Reject -> VarString
rejectReason Reject
r))
                 in StoreEvent -> Publisher StoreEvent -> STM ()
forall msg. msg -> Publisher msg -> STM ()
publishSTM StoreEvent
reject Publisher StoreEvent
pub
storeDispatch BlockStore
_ Publisher StoreEvent
_ NodeEvent
_ =
    () -> STM ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()