Haskoin.Transaction.Builder.Sign

Types and logic for signing transactions.

Documentation

data SigInput

Data type used to specify the signing parameters of a transaction input. To sign an input, the previous output script, outpoint and sighash are required. When signing a pay to script hash output, an additional redeem script is required.

Constructors

SigInput

Fields

• sigInputScript :: !ScriptOutput

  output script to spend ^ output script value

• sigInputValue :: !Word64

  output script value ^ outpoint to spend

• sigInputOP :: !OutPoint

  outpoint to spend ^ signature type

• sigInputSH :: !SigHash

  signature type ^ redeem script

• sigInputRedeem :: !(Maybe RedeemScript)

  redeem script

Instances

Eq SigInput

Defined in Haskoin.Transaction.Builder.Sign

Methods

(==) :: SigInput -> SigInput -> Bool

(/=) :: SigInput -> SigInput -> Bool

Read SigInput

Defined in Haskoin.Transaction.Builder.Sign

Methods

readsPrec :: Int -> ReadS SigInput

readList :: ReadS [SigInput]

readPrec :: ReadPrec SigInput

readListPrec :: ReadPrec [SigInput]

Show SigInput

Defined in Haskoin.Transaction.Builder.Sign

Methods

showsPrec :: Int -> SigInput -> ShowS

show :: SigInput -> String

showList :: [SigInput] -> ShowS

Generic SigInput

Defined in Haskoin.Transaction.Builder.Sign

Associated Types

type Rep SigInput :: Type -> Type

Methods

from :: SigInput -> Rep SigInput x

to :: Rep SigInput x -> SigInput

Hashable SigInput

Defined in Haskoin.Transaction.Builder.Sign

Methods

hashWithSalt :: Int -> SigInput -> Int

hash :: SigInput -> Int

ToJSON SigInput

Defined in Haskoin.Transaction.Builder.Sign

Methods

toJSON :: SigInput -> Value

toEncoding :: SigInput -> Encoding

toJSONList :: [SigInput] -> Value

toEncodingList :: [SigInput] -> Encoding

FromJSON SigInput

Defined in Haskoin.Transaction.Builder.Sign

Methods

parseJSON :: Value -> Parser SigInput

parseJSONList :: Value -> Parser [SigInput]

NFData SigInput

Defined in Haskoin.Transaction.Builder.Sign

Methods

rnf :: SigInput -> ()

type Rep SigInput

Defined in Haskoin.Transaction.Builder.Sign

type Rep SigInput = D1 ('MetaData "SigInput" "Haskoin.Transaction.Builder.Sign" "haskoin-core-0.20.0-inplace" 'False) (C1 ('MetaCons "SigInput" 'PrefixI 'True) ((S1 ('MetaSel ('Just "sigInputScript") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 ScriptOutput) :*: S1 ('MetaSel ('Just "sigInputValue") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Word64)) :*: (S1 ('MetaSel ('Just "sigInputOP") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 OutPoint) :*: (S1 ('MetaSel ('Just "sigInputSH") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 SigHash) :*: S1 ('MetaSel ('Just "sigInputRedeem") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (Maybe RedeemScript))))))

makeSignature :: Network -> Tx -> Int -> SigInput -> SecKeyI -> TxSignature

Produce a structured representation of a deterministic (RFC-6979) signature over an input.

makeSigHash :: Network -> Tx -> Int -> ScriptOutput -> Word64 -> SigHash -> Maybe RedeemScript -> Hash256

A function which selects the digest algorithm and parameters as appropriate

Since: 0.11.0.0

signTx

Arguments

:: Network

-> Tx

transaction to sign

-> [(SigInput, Bool)]

signing parameters, with nesting flag

-> [SecKey]

private keys to sign with

-> Either String Tx

signed transaction

Sign a transaction by providing the SigInput signing parameters and a list of private keys. The signature is computed deterministically as defined in RFC-6979.

findInputIndex

Arguments

:: (a -> OutPoint)

extract an outpoint

-> [a]

input list

-> [TxIn]

reference list of inputs

-> [(a, Int)]

Associate an input index to each value in a list

signInput

Arguments

:: Network

-> Tx

-> Int

-> (SigInput, Bool)

boolean flag: nest input

-> SecKeyI

-> Either String Tx

Sign a single input in a transaction deterministically (RFC-6979). The nesting flag only affects the behavior of segwit inputs.

buildInput

Arguments

:: Network

-> Tx

transaction where input will be added

-> Int

input index where signature will go

-> ScriptOutput

output script being spent

-> Word64

amount of previous output

-> Maybe RedeemScript

redeem script if pay-to-script-hash

-> TxSignature

-> PubKeyI

-> Either String ScriptInput

Construct an input for a transaction given a signature, public key and data about the previous output.

sigKeys :: ScriptOutput -> Maybe RedeemScript -> [SecKey] -> Either String [SecKeyI]

Find from the list of provided private keys which one is required to sign the ScriptOutput.