Modulecardano-addresses-4.0.2Haskell2010

System.IO.Extra

Contents

I/O application-specific helpers
Read
Write
I/O Helpers

Synopsis

value hGetBytes
value hGetBech32
value hGetXPrv
value hGetXPub
value hGetXP__
value hGetScriptHash
value hGetSomeMnemonic
value hGetSomeMnemonicInteractively
value hGetPassphraseMnemonic
value hGetPassphraseBytes
value hPutBytes
value hPutString
value hPutStringNoNewLn
value prettyIOException
value progName
value markCharsRedAtIndices
value noNewline

Packagecardano-addresses-4.0.2
Exports17
LanguageHaskell2010
LicenceApache-2.0
SourceExtra.hs

I/O application-specific helpers

Read

valuehGetBytes :: Handle -> IO ByteString

Source#

Read some bytes from the console, and decode them if the encoding is recognized.

valuehGetBech32

Source#

Read some bytes encoded in Bech32, only allowing the given prefixes.

valuehGetXPrv :: Handle -> [HumanReadablePart] -> IO (HumanReadablePart, XPrv)

Source#

Read an encoded private key from the console, or fail.

valuehGetXPub :: Handle -> [HumanReadablePart] -> IO (HumanReadablePart, XPub)

Source#

Read an encoded public key from the console, or fail.

valuehGetXP__

:: Handle
-> [HumanReadablePart]
-> IO (Either (HumanReadablePart, XPub) (HumanReadablePart, XPrv))

Source#

Read either an encoded public or private key from the console, or fail.

valuehGetScriptHash :: Handle -> IO ScriptHash

Source#

Read a script hash from the console, or fail.

valuehGetSomeMnemonic :: Handle -> IO SomeMnemonic

Source#

Read some English mnemonic words from the console, or fail.

valuehGetSomeMnemonicInteractively

:: (Handle, Handle)
-> PassphraseInputMode
-> String
-> IO SomeMnemonic

Source#

Prompt user and read some English mnemonic words from stdin.

valuehGetPassphraseMnemonic

:: (Handle, Handle)
-> PassphraseInputMode
-> PassphraseInput
-> String
-> IO SomeMnemonic

Source#

Read mnemonic passphrase from either file or interactively.

valuehGetPassphraseBytes

:: (Handle, Handle)
-> PassphraseInputMode
-> PassphraseInput
-> String
-> PassphraseInfo
-> IO ByteString

Source#

Read passphrase from either file or interactively, and decode them accoring to passphrase info.

Write

valuehPutBytes :: Handle -> ByteString -> Encoding -> IO ()

Source#

Print bytes to the console with the given encoding.

valuehPutString :: Handle -> String -> IO ()

Source#

Print string to the console with newline appended.

valuehPutStringNoNewLn :: Handle -> String -> IO ()

Source#

Print string to the console without newline appended.

I/O Helpers

valueprettyIOException :: IOException -> IO a

Source#

Fail with a colored red error message.

valueprogName :: String

Source#

Get program name to avoid hard-coding it in documentation excerpt.

valuemarkCharsRedAtIndices :: Integral i => [i] -> String -> String

Source#

Mark all characters from a given string as red (in a console).

valuenoNewline :: Char -> Bool