sign.cpp File Reference

#include <script/sign.h>
#include <key.h>
#include <policy/policy.h>
#include <primitives/transaction.h>
#include <script/signingprovider.h>
#include <script/standard.h>
#include <uint256.h>

Classes
class	SignatureExtractorChecker
struct	anonymous_namespace{sign.cpp}::Stacks
class	anonymous_namespace{sign.cpp}::DummySignatureChecker
class	anonymous_namespace{sign.cpp}::DummySignatureCreator

Namespaces
	anonymous_namespace{sign.cpp}

Typedefs
typedef std::vector< unsigned char >	valtype

Functions
static bool	GetCScript (const SigningProvider &provider, const SignatureData &sigdata, const CScriptID &scriptid, CScript &script)
static bool	GetPubKey (const SigningProvider &provider, const SignatureData &sigdata, const CKeyID &address, CPubKey &pubkey)
static bool	CreateSig (const BaseSignatureCreator &creator, SignatureData &sigdata, const SigningProvider &provider, std::vector< unsigned char > &sig_out, const CPubKey &pubkey, const CScript &scriptcode, SigVersion sigversion)
static bool	SignStep (const SigningProvider &provider, const BaseSignatureCreator &creator, const CScript &scriptPubKey, std::vector< valtype > &ret, txnouttype &whichTypeRet, SigVersion sigversion, SignatureData &sigdata)
static CScript	PushAll (const std::vector< valtype > &values)
bool	ProduceSignature (const SigningProvider &provider, const BaseSignatureCreator &creator, const CScript &fromPubKey, SignatureData &sigdata)
SignatureData	DataFromTransaction (const CMutableTransaction &tx, unsigned int nIn, const CTxOut &txout)
void	UpdateInput (CTxIn &input, const SignatureData &data)
bool	SignSignature (const SigningProvider &provider, const CScript &fromPubKey, CMutableTransaction &txTo, unsigned int nIn, const CAmount &amount, int nHashType)
bool	SignSignature (const SigningProvider &provider, const CTransaction &txFrom, CMutableTransaction &txTo, unsigned int nIn, int nHashType)
bool	IsSolvable (const SigningProvider &provider, const CScript &script)
bool	IsSegWitOutput (const SigningProvider &provider, const CScript &script)

Variables
const DummySignatureChecker	anonymous_namespace{sign.cpp}::DUMMY_CHECKER
const BaseSignatureCreator &	DUMMY_SIGNATURE_CREATOR = DummySignatureCreator(32, 32)
const BaseSignatureCreator &	DUMMY_MAXIMUM_SIGNATURE_CREATOR = DummySignatureCreator(33, 32)

Typedef Documentation

valtype

typedef std::vector<unsigned char> valtype

Function Documentation

CreateSig()

static bool CreateSig ( const BaseSignatureCreator &  creator, SignatureData &  sigdata, const SigningProvider &  provider, std::vector< unsigned char > &  sig_out, const CPubKey &  pubkey, const CScript &  scriptcode, SigVersion  sigversion  )

static

DataFromTransaction()

SignatureData DataFromTransaction	(	const CMutableTransaction &	tx,
		unsigned int	nIn,
		const CTxOut &	txout
	)

Extract signature data from a transaction input, and insert it.

GetCScript()

static bool GetCScript ( const SigningProvider &  provider, const SignatureData &  sigdata, const CScriptID &  scriptid, CScript &  script  )

static

GetPubKey()

static bool GetPubKey ( const SigningProvider &  provider, const SignatureData &  sigdata, const CKeyID &  address, CPubKey &  pubkey  )

static

IsSegWitOutput()

bool IsSegWitOutput	(	const SigningProvider &	provider,
		const CScript &	script
	)

Check whether a scriptPubKey is known to be segwit.

IsSolvable()

bool IsSolvable	(	const SigningProvider &	provider,
		const CScript &	script
	)

ProduceSignature()

bool ProduceSignature	(	const SigningProvider &	provider,
		const BaseSignatureCreator &	creator,
		const CScript &	scriptPubKey,
		SignatureData &	sigdata
	)

Produce a script signature using a generic signature creator.

PushAll()

static CScript PushAll ( const std::vector< valtype > &  values )

static

SignSignature() [1/2]

bool SignSignature	(	const SigningProvider &	provider,
		const CScript &	fromPubKey,
		CMutableTransaction &	txTo,
		unsigned int	nIn,
		const CAmount &	amount,
		int	nHashType
	)

Produce a script signature for a transaction.

SignSignature() [2/2]

bool SignSignature	(	const SigningProvider &	provider,
		const CTransaction &	txFrom,
		CMutableTransaction &	txTo,
		unsigned int	nIn,
		int	nHashType
	)

SignStep()

static bool SignStep ( const SigningProvider &  provider, const BaseSignatureCreator &  creator, const CScript &  scriptPubKey, std::vector< valtype > &  ret, txnouttype &  whichTypeRet, SigVersion  sigversion, SignatureData &  sigdata  )

static

Sign scriptPubKey using signature made with creator. Signatures are returned in scriptSigRet (or returns false if scriptPubKey can't be signed), unless whichTypeRet is TX_SCRIPTHASH, in which case scriptSigRet is the redemption script. Returns false if scriptPubKey could not be completely satisfied.

UpdateInput()

void UpdateInput	(	CTxIn &	input,
		const SignatureData &	data
	)

Variable Documentation

DUMMY_MAXIMUM_SIGNATURE_CREATOR

const BaseSignatureCreator& DUMMY_MAXIMUM_SIGNATURE_CREATOR = DummySignatureCreator(33, 32)

A signature creator that just produces 72-byte empty signatures.

DUMMY_SIGNATURE_CREATOR

const BaseSignatureCreator& DUMMY_SIGNATURE_CREATOR = DummySignatureCreator(32, 32)

A signature creator that just produces 71-byte empty signatures.