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22 lines
547 B
Haskell
22 lines
547 B
Haskell
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module Urbit.EventLog.Event
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( buildLogEvent
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, parseLogEvent
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)
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where
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import ClassyPrelude
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import Data.Serialize
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import Urbit.Noun
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buildLogEvent :: Mug -> Noun -> ByteString
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buildLogEvent mug noun = (runPut $ putWord32le mug) ++ (jamBS noun)
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parseLogEvent :: MonadIO m => ByteString -> m (Mug, Noun)
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parseLogEvent bs = do
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let (prefix, suffix) = splitAt 4 bs
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let mug = case runGet getWord32le prefix of
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Left _ -> error "Impossible misread of word32 in parseLogEvent"
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Right x -> x
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n <- cueBSExn suffix
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pure (mug, n)
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