Skip to content

backport psbFromByteStringM and psbToByteArray to PinnedSizedBytes to 2.3.3.0 #669

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
disassembler wants to merge 1 commit into
base: release/cardano-crypto-class-2.3.2.0
Choose a base branch
from
+10 −0
Open

backport psbFromByteStringM and psbToByteArray to PinnedSizedBytes to 2.3.3.0 #669

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 10 additions & 0 deletions cardano-crypto-class/src/Cardano/Crypto/PinnedSizedBytes.hs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,9 @@ module Cardano.Crypto.PinnedSizedBytes (
psbToBytes,
psbFromByteString,
psbFromByteStringCheck,
psbFromByteStringM,
psbToByteString,
psbToByteArray,

-- * C usage
psbUseAsCPtr,
Expand Down Expand Up @@ -238,6 +240,14 @@ psbFromByteStringCheck bs
size :: Int
size = fromInteger (natVal (Proxy :: Proxy n))

psbFromByteStringM :: (KnownNat n, MonadFail f) => BS.ByteString -> f (PinnedSizedBytes n)
psbFromByteStringM bs = case psbFromByteStringCheck bs of
Just psb -> pure psb
Nothing -> fail $ "psbFromByteStringM: size mismatch, expected " ++ show (BS.length bs) ++ " bytes"

psbToByteArray :: PinnedSizedBytes n -> ByteArray
psbToByteArray (PSB ba) = ba

{-# DEPRECATED psbZero "This is not referentially transparent" #-}
psbZero :: KnownNat n => PinnedSizedBytes n
psbZero = psbFromBytes []
Expand Down