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Cometa.hs is a Haskell interface to cardano-c. It is in development and is not yet published on Hackage.

• Official website
• Installation and local builds
• Documentation
• Haddock API reference — CI downloads and local builds.
• Contributing

Hash a message

Build from source with GHC, Cabal, and the pinned cardano-c dependency; see installation. Compute a 32-byte digest:

import qualified Cometa.Crypto.Blake2b as Blake2b
import qualified Data.ByteString.Char8 as ByteString
import qualified Data.Text.IO as Text
import System.Exit (die)

main :: IO ()
main = do
  result <- Blake2b.compute 32 (ByteString.pack "Hello, Cardano!")
  case result of
    Left failure -> die (show failure)
    Right digest -> Text.putStrLn (Blake2b.toHex digest)

License

Cometa.hs is licensed under the Apache License 2.0. See LICENSE.