standard.cpp File Reference

#include <base58.h>
#include <assets/assets.h>
#include <validation.h>
#include "script/standard.h"
#include "pubkey.h"
#include "script/script.h"
#include "util.h"
#include "utilstrencodings.h"

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Typedefs
typedef std::vector< unsigned char >	valtype

Functions
const char *	GetTxnOutputType (txnouttype t)
	Get the name of a txnouttype as a C string, or nullptr if unknown. More...
bool	Solver (const CScript &scriptPubKey, txnouttype &typeRet, std::vector< std::vector< unsigned char > > &vSolutionsRet)
	Parse a scriptPubKey and identify script type for standard scripts. More...
bool	ExtractDestination (const CScript &scriptPubKey, CTxDestination &addressRet)
	Parse a standard scriptPubKey for the destination address. More...
bool	ExtractDestinations (const CScript &scriptPubKey, txnouttype &typeRet, std::vector< CTxDestination > &addressRet, int &nRequiredRet)
	Parse a standard scriptPubKey with one or more destination addresses. More...
CScript	GetScriptForDestination (const CTxDestination &dest)
	Generate a Raven scriptPubKey for the given CTxDestination. More...
CScript	GetScriptForNullAssetDataDestination (const CTxDestination &dest)
	Generate a script that contains an address used for qualifier, and restricted assets data transactions. More...
CScript	GetScriptForRawPubKey (const CPubKey &pubKey)
	Generate a P2PK script for the given pubkey. More...
CScript	GetScriptForMultisig (int nRequired, const std::vector< CPubKey > &keys)
	Generate a multisig script. More...
CScript	GetScriptForWitness (const CScript &redeemscript)
	Generate a pay-to-witness script for the given redeem script. More...
bool	IsValidDestination (const CTxDestination &dest)
	Check whether a CTxDestination is a CNoDestination. More...

Variables
bool	fAcceptDatacarrier = DEFAULT_ACCEPT_DATACARRIER
	A data carrying output is an unspendable output containing data. More...
unsigned	nMaxDatacarrierBytes = MAX_OP_RETURN_RELAY
	Maximum size of TX_NULL_DATA scripts that this node considers standard. More...

Typedef Documentation

valtype

typedef std::vector<unsigned char> valtype

Definition at line 17 of file standard.cpp.

Function Documentation

ExtractDestination()

bool ExtractDestination	(	const CScript &	scriptPubKey,
		CTxDestination &	addressRet
	)

Parse a standard scriptPubKey for the destination address.

Assigns result to the addressRet parameter and returns true if successful. For multisig scripts, instead use ExtractDestinations. Currently only works for P2PK, P2PKH, and P2SH scripts.

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Definition at line 210 of file standard.cpp.

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ExtractDestinations()

bool ExtractDestinations	(	const CScript &	scriptPubKey,
		txnouttype &	typeRet,
		std::vector< CTxDestination > &	addressRet,
		int &	nRequiredRet
	)

Parse a standard scriptPubKey with one or more destination addresses.

For multisig scripts, this populates the addressRet vector with the pubkey IDs and nRequiredRet with the n required to spend. For other destinations, addressRet is populated with a single value and nRequiredRet is set to 1. Returns true if successful. Currently does not extract address from pay-to-witness scripts.

Definition at line 251 of file standard.cpp.

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GetScriptForDestination()

CScript GetScriptForDestination

(

const CTxDestination &

dest

)

Generate a Raven scriptPubKey for the given CTxDestination.

Returns a P2PKH script for a CKeyID destination, a P2SH script for a CScriptID, and an empty script for CNoDestination.

Definition at line 347 of file standard.cpp.

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GetScriptForMultisig()

CScript GetScriptForMultisig	(	int	nRequired,
		const std::vector< CPubKey > &	keys
	)

Generate a multisig script.

Definition at line 368 of file standard.cpp.

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GetScriptForNullAssetDataDestination()

CScript GetScriptForNullAssetDataDestination

(

const CTxDestination &

dest

)

Generate a script that contains an address used for qualifier, and restricted assets data transactions.

Definition at line 355 of file standard.cpp.

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GetScriptForRawPubKey()

CScript GetScriptForRawPubKey

(

const CPubKey &

pubkey

)

Generate a P2PK script for the given pubkey.

Definition at line 363 of file standard.cpp.

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GetScriptForWitness()

CScript GetScriptForWitness

(

const CScript &

redeemscript

)

Generate a pay-to-witness script for the given redeem script.

If the redeem script is P2PK or P2PKH, this returns a P2WPKH script, otherwise it returns a P2WSH script.

Definition at line 379 of file standard.cpp.

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GetTxnOutputType()

const char* GetTxnOutputType

(

txnouttype

t

)

Get the name of a txnouttype as a C string, or nullptr if unknown.

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Definition at line 24 of file standard.cpp.

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IsValidDestination()

bool IsValidDestination

(

const CTxDestination &

dest

)

Check whether a CTxDestination is a CNoDestination.

Definition at line 402 of file standard.cpp.

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Solver()

bool Solver	(	const CScript &	scriptPubKey,
		txnouttype &	typeRet,
		std::vector< std::vector< unsigned char > > &	vSolutionsRet
	)

Parse a scriptPubKey and identify script type for standard scripts.

If successful, returns script type and parsed pubkeys or hashes, depending on the type. For example, for a P2SH script, vSolutionsRet will contain the script hash, for P2PKH it will contain the key hash, etc.

Parameters

[in]	scriptPubKey	Script to parse
[out]	typeRet	The script type
[out]	vSolutionsRet	Vector of parsed pubkeys and hashes

Returns

True if script matches standard template

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Definition at line 47 of file standard.cpp.

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Variable Documentation

fAcceptDatacarrier

bool fAcceptDatacarrier = DEFAULT_ACCEPT_DATACARRIER

A data carrying output is an unspendable output containing data.

The script type is designated as TX_NULL_DATA.

Definition at line 19 of file standard.cpp.

nMaxDatacarrierBytes

unsigned nMaxDatacarrierBytes = MAX_OP_RETURN_RELAY

Maximum size of TX_NULL_DATA scripts that this node considers standard.

Definition at line 20 of file standard.cpp.