#include <script/sign.h>
#include <consensus/amount.h>
#include <key.h>
#include <musig.h>
#include <policy/policy.h>
#include <primitives/transaction.h>
#include <random.h>
#include <script/keyorigin.h>
#include <script/miniscript.h>
#include <script/script.h>
#include <script/signingprovider.h>
#include <script/solver.h>
#include <uint256.h>
#include <util/translation.h>
#include <util/vector.h>

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Classes
struct	Satisfier< Pk >
	Context for solving a Miniscript. More...

struct	WshSatisfier
	Miniscript satisfier specific to P2WSH context. More...

struct	TapSatisfier
	Miniscript satisfier specific to Tapscript context. More...

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	SignMuSig2 (const BaseSignatureCreator &creator, SignatureData &sigdata, const SigningProvider &provider, std::vector< unsigned char > &sig_out, const XOnlyPubKey &script_pubkey, const uint256 merkle_root, const uint256 leaf_hash, SigVersion sigversion)

static bool	CreateTaprootScriptSig (const BaseSignatureCreator &creator, SignatureData &sigdata, const SigningProvider &provider, std::vector< unsigned char > &sig_out, const XOnlyPubKey &pubkey, const uint256 &leaf_hash, SigVersion sigversion)

template<typename M , typename K , typename V >
miniscript::Availability	MsLookupHelper (const M &map, const K &key, V &value)

static bool	SignTaprootScript (const SigningProvider &provider, const BaseSignatureCreator &creator, SignatureData &sigdata, int leaf_version, std::span< const unsigned char > script_bytes, std::vector< valtype > &result)

static bool	SignTaproot (const SigningProvider &provider, const BaseSignatureCreator &creator, const WitnessV1Taproot &output, SignatureData &sigdata, std::vector< valtype > &result)

static bool	SignStep (const SigningProvider &provider, const BaseSignatureCreator &creator, const CScript &scriptPubKey, std::vector< valtype > &ret, TxoutType &whichTypeRet, SigVersion sigversion, SignatureData &sigdata)
	Sign scriptPubKey using signature made with creator. More...

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

bool	ProduceSignature (const SigningProvider &provider, const BaseSignatureCreator &creator, const CScript &fromPubKey, SignatureData &sigdata)
	Produce a script signature using a generic signature creator. More...

SignatureData	DataFromTransaction (const CMutableTransaction &tx, unsigned int nIn, const CTxOut &txout)
	Extract signature data from a transaction input, and insert it. More...

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

bool	IsSegWitOutput (const SigningProvider &provider, const CScript &script)
	Check whether a scriptPubKey is known to be segwit. More...

bool	SignTransaction (CMutableTransaction &mtx, const SigningProvider *keystore, const std::map< COutPoint, Coin > &coins, int nHashType, std::map< int, bilingual_str > &input_errors)
	Sign the CMutableTransaction. More...

Variables
const BaseSignatureChecker &	DUMMY_CHECKER = DummySignatureChecker()
	A signature checker that accepts all signatures. More...

const BaseSignatureCreator &	DUMMY_SIGNATURE_CREATOR = DummySignatureCreator(32, 32)
	A signature creator that just produces 71-byte empty signatures. More...

const BaseSignatureCreator &	DUMMY_MAXIMUM_SIGNATURE_CREATOR = DummySignatureCreator(33, 32)
	A signature creator that just produces 72-byte empty signatures. More...

Typedef Documentation

◆ valtype

typedef std::vector<unsigned char> valtype

Definition at line 23 of file sign.cpp.

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

Definition at line 246 of file sign.cpp.

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◆ CreateTaprootScriptSig()

static bool CreateTaprootScriptSig	(	const BaseSignatureCreator &	creator,
		SignatureData &	sigdata,
		const SigningProvider &	provider,
		std::vector< unsigned char > &	sig_out,
		const XOnlyPubKey &	pubkey,
		const uint256 &	leaf_hash,
		SigVersion	sigversion
	)

static

Definition at line 362 of file sign.cpp.

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◆ DataFromTransaction()

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

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

Definition at line 839 of file sign.cpp.

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◆ GetCScript()

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

static

Definition at line 207 of file sign.cpp.

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◆ GetPubKey()

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

static

Definition at line 223 of file sign.cpp.

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◆ IsSegWitOutput()

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

Check whether a scriptPubKey is known to be segwit.

Definition at line 992 of file sign.cpp.

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◆ MsLookupHelper()

template<typename M , typename K , typename V >

miniscript::Availability MsLookupHelper	(	const M &	map,
		const K &	key,
		V &	value
	)

Definition at line 391 of file sign.cpp.

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◆ ProduceSignature()

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

Produce a script signature using a generic signature creator.

Definition at line 731 of file sign.cpp.

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◆ PushAll()

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

static

Definition at line 714 of file sign.cpp.

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◆ SignMuSig2()

static bool SignMuSig2	(	const BaseSignatureCreator &	creator,
		SignatureData &	sigdata,
		const SigningProvider &	provider,
		std::vector< unsigned char > &	sig_out,
		const XOnlyPubKey &	script_pubkey,
		const uint256 *	merkle_root,
		const uint256 *	leaf_hash,
		SigVersion	sigversion
	)

static

Definition at line 268 of file sign.cpp.

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◆ SignStep()

static bool SignStep	(	const SigningProvider &	provider,
		const BaseSignatureCreator &	creator,
		const CScript &	scriptPubKey,
		std::vector< valtype > &	ret,
		TxoutType &	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 TxoutType::SCRIPTHASH, in which case scriptSigRet is the redemption script. Returns false if scriptPubKey could not be completely satisfied.

Definition at line 630 of file sign.cpp.

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◆ SignTaproot()

static bool SignTaproot	(	const SigningProvider &	provider,
		const BaseSignatureCreator &	creator,
		const WitnessV1Taproot &	output,
		SignatureData &	sigdata,
		std::vector< valtype > &	result
	)

static

Definition at line 544 of file sign.cpp.

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◆ SignTaprootScript()

static bool SignTaprootScript	(	const SigningProvider &	provider,
		const BaseSignatureCreator &	creator,
		SignatureData &	sigdata,
		int	leaf_version,
		std::span< const unsigned char >	script_bytes,
		std::vector< valtype > &	result
	)

static

Definition at line 531 of file sign.cpp.

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◆ SignTransaction()

bool SignTransaction	(	CMutableTransaction &	mtx,
		const SigningProvider *	keystore,
		const std::map< COutPoint, Coin > &	coins,
		int	nHashType,
		std::map< int, bilingual_str > &	input_errors
	)

Sign the CMutableTransaction.

Definition at line 1011 of file sign.cpp.

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◆ UpdateInput()

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

Definition at line 904 of file sign.cpp.

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Variable Documentation

◆ DUMMY_CHECKER

const BaseSignatureChecker& DUMMY_CHECKER = DummySignatureChecker()

A signature checker that accepts all signatures.

Definition at line 939 of file sign.cpp.

◆ DUMMY_MAXIMUM_SIGNATURE_CREATOR

const BaseSignatureCreator& DUMMY_MAXIMUM_SIGNATURE_CREATOR = DummySignatureCreator(33, 32)

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

Definition at line 990 of file sign.cpp.

◆ DUMMY_SIGNATURE_CREATOR

const BaseSignatureCreator& DUMMY_SIGNATURE_CREATOR = DummySignatureCreator(32, 32)

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

Definition at line 989 of file sign.cpp.

Classes

Typedefs

Functions

Variables

Typedef Documentation

◆ valtype

Function Documentation

◆ CreateSig()

◆ CreateTaprootScriptSig()

◆ DataFromTransaction()

◆ GetCScript()

◆ GetPubKey()

◆ IsSegWitOutput()

◆ MsLookupHelper()

◆ ProduceSignature()

◆ PushAll()

◆ SignMuSig2()

◆ SignStep()

◆ SignTaproot()

◆ SignTaprootScript()

◆ SignTransaction()

◆ UpdateInput()

Variable Documentation

◆ DUMMY_CHECKER

◆ DUMMY_MAXIMUM_SIGNATURE_CREATOR

◆ DUMMY_SIGNATURE_CREATOR