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29 changes: 29 additions & 0 deletions
29
cardano-cli/src/Cardano/CLI/EraBased/Commands/Governance/Hash.hs
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| {-# LANGUAGE DataKinds #-} | ||
| {-# LANGUAGE LambdaCase #-} | ||
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| module Cardano.CLI.EraBased.Commands.Governance.Hash | ||
| ( | ||
| GovernanceHashCmds (..), | ||
| GovernanceHashCmdArgs (..), | ||
| renderGovernanceHashCmds | ||
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| ) where | ||
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| import Cardano.Api | ||
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| import Cardano.CLI.Types.Common | ||
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| import Data.Text (Text) | ||
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| newtype GovernanceHashCmds era = GovernanceHashCmd (GovernanceHashCmdArgs era) | ||
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| data GovernanceHashCmdArgs era | ||
| = GovernanceHashCmdArgs { | ||
| eon :: !(ConwayEraOnwards era), | ||
| toHash :: !(Either (File ProposalText In) Text) -- ^ Either a file to hash (binary), or some string (text) | ||
| } | ||
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| renderGovernanceHashCmds :: GovernanceHashCmds era -> Text | ||
| renderGovernanceHashCmds = | ||
| \case GovernanceHashCmd {} -> "governance hash" |
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51 changes: 51 additions & 0 deletions
51
cardano-cli/src/Cardano/CLI/EraBased/Options/Governance/Hash.hs
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| {-# LANGUAGE DataKinds #-} | ||
| {-# LANGUAGE GADTs #-} | ||
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| module Cardano.CLI.EraBased.Options.Governance.Hash | ||
| ( | ||
| pGovernanceHashCmds | ||
| ) where | ||
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| import Cardano.Api | ||
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| import Cardano.CLI.EraBased.Commands.Governance.Hash | ||
| (GovernanceHashCmdArgs (GovernanceHashCmdArgs)) | ||
| import qualified Cardano.CLI.EraBased.Commands.Governance.Hash as Cmd | ||
| import Cardano.CLI.EraBased.Options.Common | ||
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| import Data.Foldable | ||
| import Options.Applicative | ||
| import qualified Options.Applicative as Opt | ||
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| pGovernanceHashCmds :: () | ||
| => CardanoEra era | ||
| -> Maybe (Parser (Cmd.GovernanceHashCmds era)) | ||
| pGovernanceHashCmds era = | ||
| subInfoParser "hash" | ||
| ( Opt.progDesc "Governance hash commands.") | ||
| [ pGovernanceHashCmd era ] | ||
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| pGovernanceHashCmd | ||
| :: CardanoEra era | ||
| -> Maybe (Parser (Cmd.GovernanceHashCmds era)) | ||
| pGovernanceHashCmd era = do | ||
| eon <- forEraMaybeEon era | ||
| return | ||
| $ subParser "hash" | ||
| $ Opt.info | ||
| ( asum $ map (fmap Cmd.GovernanceHashCmd) | ||
| [ | ||
| GovernanceHashCmdArgs eon . Left | ||
| <$> pFileInDirection "file" "File to hash (treated as binary: text-encoding agnostic)", | ||
| GovernanceHashCmdArgs eon . Right | ||
| <$> Opt.strOption | ||
| ( mconcat | ||
| [ Opt.long "text" | ||
| , Opt.metavar "TEXT" | ||
| , Opt.help "Text to hash as UTF-8" | ||
| ] | ||
| ) | ||
| ] | ||
| ) | ||
| $ Opt.progDesc "Hash governance data" |
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57 changes: 57 additions & 0 deletions
57
cardano-cli/src/Cardano/CLI/EraBased/Run/Governance/Hash.hs
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| {-# LANGUAGE DataKinds #-} | ||
| {-# LANGUAGE DuplicateRecordFields #-} | ||
| {-# LANGUAGE GADTs #-} | ||
| {-# LANGUAGE NamedFieldPuns #-} | ||
| {-# LANGUAGE RankNTypes #-} | ||
| {-# LANGUAGE ScopedTypeVariables #-} | ||
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| {- HLINT ignore "Use let" -} | ||
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| module Cardano.CLI.EraBased.Run.Governance.Hash | ||
| ( runGovernanceHashCmds | ||
| ) where | ||
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| import Cardano.Api | ||
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| import qualified Cardano.CLI.EraBased.Commands.Governance.Hash as Cmd | ||
| import Cardano.CLI.Types.Errors.CmdError | ||
| import Cardano.CLI.Types.Errors.GovernanceCmdError | ||
| import Cardano.CLI.Types.Errors.GovernanceHashError | ||
| import qualified Cardano.Ledger.BaseTypes as Ledger | ||
| import Cardano.Ledger.Crypto | ||
| import Cardano.Ledger.SafeHash (extractHash) | ||
| import qualified Cardano.Ledger.SafeHash as Ledger | ||
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| import Control.Monad.IO.Class | ||
| import Control.Monad.Trans.Except | ||
| import Control.Monad.Trans.Except.Extra | ||
| import qualified Data.ByteString as BS | ||
| import Data.Function | ||
| import qualified Data.Text.Encoding as Text | ||
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| runGovernanceHashCmds :: () | ||
| => Cmd.GovernanceHashCmds era | ||
| -> ExceptT CmdError IO () | ||
| runGovernanceHashCmds (Cmd.GovernanceHashCmd args)= | ||
| runGovernanceHashCmd args | ||
| & firstExceptT (CmdGovernanceCmdError . GovernanceCmdHashError) | ||
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| runGovernanceHashCmd :: () | ||
| => Cmd.GovernanceHashCmdArgs era | ||
| -> ExceptT GovernanceHashError IO () | ||
| runGovernanceHashCmd Cmd.GovernanceHashCmdArgs { toHash } = | ||
| -- TODO @smelc we probably want an option to write the computed hash to a file | ||
| -- This can be done in a separate PR | ||
| case toHash of | ||
| Left fp -> do | ||
| bytes <- liftIO $ BS.readFile $ unFile fp | ||
| _utf8EncodedText <- firstExceptT GovernanceHashUnicodeError . hoistEither $ Text.decodeUtf8' bytes | ||
| let hash = Ledger.hashAnchorData $ Ledger.AnchorData bytes | ||
| printHash hash | ||
| Right text -> do | ||
| let hash = Ledger.hashAnchorData $ Ledger.AnchorData $ Text.encodeUtf8 text | ||
| printHash hash | ||
| where | ||
| printHash :: Ledger.SafeHash StandardCrypto i -> ExceptT GovernanceHashError IO () | ||
| printHash = liftIO . print . extractHash |
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15 changes: 15 additions & 0 deletions
15
cardano-cli/src/Cardano/CLI/Types/Errors/GovernanceHashError.hs
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| module Cardano.CLI.Types.Errors.GovernanceHashError | ||
| ( GovernanceHashError(..) | ||
| ) where | ||
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| import Cardano.Api | ||
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| import Cardano.Prelude (UnicodeException) | ||
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| data GovernanceHashError | ||
| = GovernanceHashReadFileError (FileError InputDecodeError) | ||
| | GovernanceHashUnicodeError UnicodeException | ||
| deriving Show | ||
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| instance Error GovernanceHashError where | ||
| displayError = undefined |