mirror of
https://github.com/urbit/shrub.git
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378 lines
10 KiB
Haskell
378 lines
10 KiB
Haskell
{-|
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Event Types and Noun Conversion
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-}
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module Urbit.Arvo.Event where
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import Urbit.Noun.Tree (HoonMap, HoonSet)
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import Urbit.Prelude hiding (Term)
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import Urbit.Arvo.Common (KingId(..), ServId(..))
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import Urbit.Arvo.Common (Desk, Mime)
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import Urbit.Arvo.Common (Header(..), HttpEvent)
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import Urbit.Arvo.Common (AmesDest, Ipv4, Ipv6, Port, Turf)
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import Urbit.Arvo.Common (ReOrg(..), reorgThroughNoun)
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import qualified Crypto.Sign.Ed25519 as Ed
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import qualified Data.ByteString as BS
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import qualified Data.ByteString.Char8 as C
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import qualified Network.HTTP.Types.Method as H
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-- Misc Types ------------------------------------------------------------------
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type Rift = Atom -- Continuity number
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type Life = Word -- Number of Azimoth key revs.
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type Bloq = Atom -- TODO
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type Oath = Atom -- Signature
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-- Parsed URLs -----------------------------------------------------------------
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type Host = Each Turf Ipv4
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type Hart = (Bool, Maybe Atom, Host)
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type Pork = (Maybe Knot, [Cord])
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type Quay = [(Cord, Cord)]
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data PUrl = PUrl Hart Pork Quay
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deriving (Eq, Ord, Show)
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deriveNoun ''PUrl
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-- Dawn Records ----------------------------------------------------------------
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padByteString :: BS.ByteString -> Int -> BS.ByteString
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padByteString bs length | remaining > 0 = bs <> (BS.replicate remaining 0)
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| otherwise = bs
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where remaining = (length - (BS.length bs))
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-- A Pass is the Atom concatenation of 'b', the public encryption key, and the
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-- public authentication key. (see +pass-from-eth.)
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data Pass = Pass { passSign :: Ed.PublicKey, passCrypt :: Ed.PublicKey }
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deriving (Eq, Ord, Show)
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passToBS :: Pass -> BS.ByteString
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passToBS Pass{..} = C.singleton 'b' <>
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(Ed.unPublicKey passSign) <>
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(Ed.unPublicKey passCrypt)
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instance ToNoun Pass where
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toNoun = Atom . bytesAtom . passToBS
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instance FromNoun Pass where
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parseNoun n = named "Pass" $ do
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MkBytes unpadded <- parseNoun n
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let bs = padByteString unpadded 65
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when ((C.head bs) /= 'b') $ do
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fail "Expecting 'b' prefix in public key structure"
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let removedPrefix = C.tail bs
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let passSign = Ed.PublicKey (take 32 removedPrefix)
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let passCrypt = Ed.PublicKey (drop 32 removedPrefix)
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unless ((length $ Ed.unPublicKey passSign) == 32) $
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error "Sign pubkey not 32 bytes"
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unless ((length $ Ed.unPublicKey passCrypt) == 32) $
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error "Crypt pubkey not 32 bytes"
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pure $ Pass{..}
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-- A Ring isn't the secret keys: it's the ByteString input which generates both
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-- the public key and the secret key. A Ring is the concatenation of 'B', the
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-- encryption key derivation seed, and the authentication key derivation
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-- seed. These aren't actually private keys, but public/private keypairs which
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-- can be derived from these seeds.
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data Ring = Ring { ringSign :: BS.ByteString, ringCrypt :: BS.ByteString }
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deriving (Eq)
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instance ToNoun Ring where
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toNoun Ring{..} =
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Atom $ bytesAtom (C.singleton 'B' <> ringSign <> ringCrypt)
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instance FromNoun Ring where
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parseNoun n = named "Ring" $ do
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MkBytes unpadded <- parseNoun n
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let bs = padByteString unpadded 65
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when ((C.head bs) /= 'B') $ do
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fail "Expecting 'B' prefix in public key structure"
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let removedPrefix = C.tail bs
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let ringSign = (take 32 removedPrefix)
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let ringCrypt = (drop 32 removedPrefix)
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unless ((length ringSign) == 32) $
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error "Sign seed not 32 bytes"
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unless ((length ringCrypt) == 32) $
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error "Crypt seed not 32 bytes"
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pure $ Ring ringSign ringCrypt
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instance Show Ring where
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show r = "(Ring <<seed>> <<seed>>)"
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data Seed = Seed
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{ sShip :: Ship
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, sLife :: Life
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, sRing :: Ring
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, sOath :: (Maybe Oath)
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}
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deriving (Eq, Show)
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type Public = (Life, HoonMap Life Pass)
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data Dnses = Dnses { dPri::Cord, dSec::Cord, dTer::Cord }
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deriving (Eq, Ord, Show)
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type EthAddr = Atom --Bytes -- 20 bytes
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type ContNum = Word
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data EthPoint = EthPoint
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{ epOwn :: (EthAddr, EthAddr, EthAddr, EthAddr)
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, epNet :: Maybe (Life, Pass, ContNum, (Bool, Ship), Maybe Ship)
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, epKid :: Maybe (EthAddr, HoonSet Ship)
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}
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deriving (Eq, Show)
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data Dawn = MkDawn
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{ dSeed :: Seed
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, dSponsor :: [(Ship, EthPoint)]
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, dCzar :: HoonMap Ship (Rift, Life, Pass)
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, dTurf :: [Turf]
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, dBloq :: Bloq
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, dNode :: (Maybe PUrl)
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}
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deriving (Eq, Show)
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deriveNoun ''Dnses
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deriveNoun ''EthPoint
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deriveNoun ''Seed
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deriveNoun ''Dawn
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-- HTTP ------------------------------------------------------------------------
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type ServerId = Atom
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data Address
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= AIpv4 Ipv4
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| AIpv6 Ipv6
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| AAmes Ship
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deriving (Eq, Ord, Show)
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data HttpRequest = HttpRequest
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{ reqMeth :: H.StdMethod
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, reqUrl :: Cord
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, reqHead :: [Header]
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, reqBody :: Maybe File
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}
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deriving (Eq, Ord, Show)
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data HttpServerReq = HttpServerReq
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{ hsrSecure :: Bool
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, hsrAddress :: Address
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, hsrRequest :: HttpRequest
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}
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deriving (Eq, Ord, Show)
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data HttpClientEv
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= HttpClientEvReceive (KingId, ()) ServerId HttpEvent
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| HttpClientEvBorn (KingId, ()) ()
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| HttpClientEvCrud Path Noun
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deriving (Eq, Ord, Show)
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data HttpServerEv
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= HttpServerEvRequest (ServId, UD, UD, ()) HttpServerReq
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| HttpServerEvCancelRequest (ServId, UD, UD, ()) ()
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| HttpServerEvRequestLocal (ServId, UD, UD, ()) HttpServerReq
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| HttpServerEvLive (ServId, ()) Port (Maybe Port)
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| HttpServerEvBorn (KingId, ()) ()
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| HttpServerEvCrud Path Noun
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deriving (Eq, Ord, Show)
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deriveNoun ''Address
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deriveNoun ''HttpClientEv
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deriveNoun ''HttpRequest
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deriveNoun ''HttpServerEv
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deriveNoun ''HttpServerReq
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-- Ames ------------------------------------------------------------------------
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data AmesEv
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= AmesEvHear () AmesDest Bytes
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| AmesEvHole () AmesDest Bytes
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| AmesEvCrud Path Noun
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deriving (Eq, Ord, Show)
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deriveNoun ''AmesEv
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-- Arvo Events -----------------------------------------------------------------
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data ArvoEv
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= ArvoEvWhom () Ship
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| ArvoEvWack () Word512
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| ArvoEvWarn Path Noun
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| ArvoEvCrud Path Noun
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| ArvoEvVeer Atom Noun
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deriving (Eq, Ord, Show)
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deriveNoun ''ArvoEv
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-- Boat Events -----------------------------------------------------------------
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data BoatEv
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= BoatEvBoat () ()
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| BoatEvCrud Path Noun
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deriving (Eq, Ord, Show)
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deriveNoun ''BoatEv
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-- Timer Events ----------------------------------------------------------------
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data BehnEv
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= BehnEvWake () ()
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| BehnEvBorn (KingId, ()) ()
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| BehnEvCrud Path Noun
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deriving (Eq, Ord, Show)
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deriveNoun ''BehnEv
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-- Newt Events -----------------------------------------------------------------
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data NewtEv
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= NewtEvBorn (KingId, ()) ()
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| NewtEvCrud Path Noun
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deriving (Eq, Ord, Show)
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deriveNoun ''NewtEv
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-- FileSystem Events -----------------------------------------------------------
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data SyncEv
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= SyncEvInto (Nullable (KingId, ())) Desk Bool [(Path, Maybe Mime)]
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| SyncEvCrud Path Noun
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deriving (Eq, Ord, Show)
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deriveNoun ''SyncEv
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-- Terminal Events -------------------------------------------------------------
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data LegacyBootEvent
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= Fake Ship
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| Dawn Dawn
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deriving (Eq, Show)
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data ArrowKey = D | L | R | U
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deriving (Eq, Ord, Show)
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data Belt
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= Aro ArrowKey
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| Bac ()
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| Ctl Cord
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| Del ()
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| Met Cord
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| Ret ()
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| Txt Tour
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deriving (Eq, Ord, Show)
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data TermEv
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= TermEvBelt (UD, ()) Belt
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| TermEvBlew (UD, ()) Word Word
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| TermEvBoot (UD, ()) Bool LegacyBootEvent
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| TermEvHail (UD, ()) ()
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| TermEvCrud Path Noun
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deriving (Eq, Show)
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deriveNoun ''LegacyBootEvent
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deriveNoun ''ArrowKey
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deriveNoun ''Belt
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deriveNoun ''TermEv
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-- Events for Device Drivers ---------------------------------------------------
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data BlipEv
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= BlipEvAmes AmesEv
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| BlipEvArvo ArvoEv
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| BlipEvBehn BehnEv
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| BlipEvBoat BoatEv
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| BlipEvHttpClient HttpClientEv
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| BlipEvHttpServer HttpServerEv
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| BlipEvNewt NewtEv
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| BlipEvSync SyncEv
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| BlipEvTerm TermEv
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deriving (Eq, Show)
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deriveNoun ''BlipEv
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-- Boot Events -----------------------------------------------------------------
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data Vane
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= VaneVane VaneEv
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| VaneZuse ZuseEv
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deriving (Eq, Ord, Show)
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data VaneName
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= Ames | Behn | Clay | Dill | Eyre | Ford | Gall | Iris | Jael
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deriving (Eq, Ord, Show, Enum, Bounded)
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data ZuseEv
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= ZEVeer () Cord Path BigCord
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| ZEVoid Void
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deriving (Eq, Ord, Show)
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data VaneEv
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= VEVeer (VaneName, ()) Cord Path BigCord
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| VEVoid Void
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deriving (Eq, Ord, Show)
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deriveNoun ''Vane
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deriveNoun ''VaneName
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deriveNoun ''VaneEv
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deriveNoun ''ZuseEv
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-- The Main Event Type ---------------------------------------------------------
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data Ev
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= EvBlip BlipEv
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| EvVane Vane
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deriving (Eq, Show)
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instance ToNoun Ev where
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toNoun = \case
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EvBlip v -> toNoun $ reorgThroughNoun (Cord "", v)
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EvVane v -> toNoun $ reorgThroughNoun (Cord "vane", v)
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instance FromNoun Ev where
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parseNoun = parseNoun >=> \case
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ReOrg "" s t p v -> fmap EvBlip $ parseNoun $ toNoun (s,t,p,v)
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ReOrg "vane" s t p v -> fmap EvVane $ parseNoun $ toNoun (s,t,p,v)
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ReOrg _ _ _ _ _ -> fail "First path-elem must be ?($ %vane)"
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-- Short Event Names -----------------------------------------------------------
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{-
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In the case of the user hitting enter, the cause is technically a
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terminal event, but we don't display any name because the cause is
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really the user.
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-}
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getSpinnerNameForEvent :: Ev -> Maybe Text
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getSpinnerNameForEvent = \case
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EvVane _ -> Nothing
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EvBlip b -> case b of
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BlipEvAmes _ -> Just "ames"
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BlipEvArvo _ -> Just "arvo"
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BlipEvBehn _ -> Just "behn"
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BlipEvBoat _ -> Just "boat"
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BlipEvHttpClient _ -> Just "iris"
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BlipEvHttpServer _ -> Just "eyre"
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BlipEvNewt _ -> Just "newt"
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BlipEvSync _ -> Just "clay"
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BlipEvTerm t | isRet t -> Nothing
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BlipEvTerm t -> Just "term"
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where
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isRet (TermEvBelt _ (Ret ())) = True
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isRet _ = False
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