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script.h File Reference
#include <string>
#include <vector>
#include <boost/foreach.hpp>
#include <boost/variant.hpp>
#include "keystore.h"
#include "bignum.h"
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Go to the source code of this file.

Classes

class  CNoDestination
 
class  CScript
 Serialized script, used inside transaction inputs and outputs. More...
 
class  CScriptCompressor
 Compact serializer for scripts. More...
 

Typedefs

typedef boost::variant
< CNoDestination, CKeyID,
CScriptID > 		CTxDestination
 A txout script template with a specific destination. More...
 

Enumerations

enum  { SIGHASH_ALL = 1, SIGHASH_NONE = 2, SIGHASH_SINGLE = 3, SIGHASH_ANYONECANPAY = 0x80 }
 Signature hash types/flags. More...
 
enum  { SCRIPT_VERIFY_NONE = 0, SCRIPT_VERIFY_P2SH = (1U << 0), SCRIPT_VERIFY_STRICTENC = (1U << 1), SCRIPT_VERIFY_NOCACHE = (1U << 2) }
 Script verification flags. More...
 
enum  txnouttype {
  TX_NONSTANDARD, TX_PUBKEY, TX_PUBKEYHASH, TX_SCRIPTHASH,
  TX_MULTISIG
}
 
enum  opcodetype {
  OP_0 = 0x00, OP_FALSE = OP_0, OP_PUSHDATA1 = 0x4c, OP_PUSHDATA2 = 0x4d,
  OP_PUSHDATA4 = 0x4e, OP_1NEGATE = 0x4f, OP_RESERVED = 0x50, OP_1 = 0x51,
  OP_TRUE =OP_1, OP_2 = 0x52, OP_3 = 0x53, OP_4 = 0x54,
  OP_5 = 0x55, OP_6 = 0x56, OP_7 = 0x57, OP_8 = 0x58,
  OP_9 = 0x59, OP_10 = 0x5a, OP_11 = 0x5b, OP_12 = 0x5c,
  OP_13 = 0x5d, OP_14 = 0x5e, OP_15 = 0x5f, OP_16 = 0x60,
  OP_NOP = 0x61, OP_VER = 0x62, OP_IF = 0x63, OP_NOTIF = 0x64,
  OP_VERIF = 0x65, OP_VERNOTIF = 0x66, OP_ELSE = 0x67, OP_ENDIF = 0x68,
  OP_VERIFY = 0x69, OP_RETURN = 0x6a, OP_TOALTSTACK = 0x6b, OP_FROMALTSTACK = 0x6c,
  OP_2DROP = 0x6d, OP_2DUP = 0x6e, OP_3DUP = 0x6f, OP_2OVER = 0x70,
  OP_2ROT = 0x71, OP_2SWAP = 0x72, OP_IFDUP = 0x73, OP_DEPTH = 0x74,
  OP_DROP = 0x75, OP_DUP = 0x76, OP_NIP = 0x77, OP_OVER = 0x78,
  OP_PICK = 0x79, OP_ROLL = 0x7a, OP_ROT = 0x7b, OP_SWAP = 0x7c,
  OP_TUCK = 0x7d, OP_CAT = 0x7e, OP_SUBSTR = 0x7f, OP_LEFT = 0x80,
  OP_RIGHT = 0x81, OP_SIZE = 0x82, OP_INVERT = 0x83, OP_AND = 0x84,
  OP_OR = 0x85, OP_XOR = 0x86, OP_EQUAL = 0x87, OP_EQUALVERIFY = 0x88,
  OP_RESERVED1 = 0x89, OP_RESERVED2 = 0x8a, OP_1ADD = 0x8b, OP_1SUB = 0x8c,
  OP_2MUL = 0x8d, OP_2DIV = 0x8e, OP_NEGATE = 0x8f, OP_ABS = 0x90,
  OP_NOT = 0x91, OP_0NOTEQUAL = 0x92, OP_ADD = 0x93, OP_SUB = 0x94,
  OP_MUL = 0x95, OP_DIV = 0x96, OP_MOD = 0x97, OP_LSHIFT = 0x98,
  OP_RSHIFT = 0x99, OP_BOOLAND = 0x9a, OP_BOOLOR = 0x9b, OP_NUMEQUAL = 0x9c,
  OP_NUMEQUALVERIFY = 0x9d, OP_NUMNOTEQUAL = 0x9e, OP_LESSTHAN = 0x9f, OP_GREATERTHAN = 0xa0,
  OP_LESSTHANOREQUAL = 0xa1, OP_GREATERTHANOREQUAL = 0xa2, OP_MIN = 0xa3, OP_MAX = 0xa4,
  OP_WITHIN = 0xa5, OP_RIPEMD160 = 0xa6, OP_SHA1 = 0xa7, OP_SHA256 = 0xa8,
  OP_HASH160 = 0xa9, OP_HASH256 = 0xaa, OP_CODESEPARATOR = 0xab, OP_CHECKSIG = 0xac,
  OP_CHECKSIGVERIFY = 0xad, OP_CHECKMULTISIG = 0xae, OP_CHECKMULTISIGVERIFY = 0xaf, OP_NOP1 = 0xb0,
  OP_NOP2 = 0xb1, OP_NOP3 = 0xb2, OP_NOP4 = 0xb3, OP_NOP5 = 0xb4,
  OP_NOP6 = 0xb5, OP_NOP7 = 0xb6, OP_NOP8 = 0xb7, OP_NOP9 = 0xb8,
  OP_NOP10 = 0xb9, OP_SMALLINTEGER = 0xfa, OP_PUBKEYS = 0xfb, OP_PUBKEYHASH = 0xfd,
  OP_PUBKEY = 0xfe, OP_INVALIDOPCODE = 0xff
}
 Script opcodes. More...
 

Functions

const char * GetTxnOutputType (txnouttype t)
 
const char * GetOpName (opcodetype opcode)
 
std::string ValueString (const std::vector< unsigned char > &vch)
 
std::string StackString (const std::vector< std::vector< unsigned char > > &vStack)
 
bool IsCanonicalPubKey (const std::vector< unsigned char > &vchPubKey)
 
bool IsCanonicalSignature (const std::vector< unsigned char > &vchSig)
 
bool EvalScript (std::vector< std::vector< unsigned char > > &stack, const CScript &script, const CTransaction &txTo, unsigned int nIn, unsigned int flags, int nHashType)
 
bool Solver (const CScript &scriptPubKey, txnouttype &typeRet, std::vector< std::vector< unsigned char > > &vSolutionsRet)
 
int ScriptSigArgsExpected (txnouttype t, const std::vector< std::vector< unsigned char > > &vSolutions)
 
bool IsStandard (const CScript &scriptPubKey)
 
bool IsMine (const CKeyStore &keystore, const CScript &scriptPubKey)
 
bool IsMine (const CKeyStore &keystore, const CTxDestination &dest)
 
bool ExtractDestination (const CScript &scriptPubKey, CTxDestination &addressRet)
 
bool ExtractDestinations (const CScript &scriptPubKey, txnouttype &typeRet, std::vector< CTxDestination > &addressRet, int &nRequiredRet)
 
bool SignSignature (const CKeyStore &keystore, const CScript &fromPubKey, CTransaction &txTo, unsigned int nIn, int nHashType=SIGHASH_ALL)
 
bool SignSignature (const CKeyStore &keystore, const CTransaction &txFrom, CTransaction &txTo, unsigned int nIn, int nHashType=SIGHASH_ALL)
 
bool VerifyScript (const CScript &scriptSig, const CScript &scriptPubKey, const CTransaction &txTo, unsigned int nIn, unsigned int flags, int nHashType)
 
CScript CombineSignatures (CScript scriptPubKey, const CTransaction &txTo, unsigned int nIn, const CScript &scriptSig1, const CScript &scriptSig2)
 

Typedef Documentation

typedef boost::variant<CNoDestination, CKeyID, CScriptID> CTxDestination

A txout script template with a specific destination.

It is either:

Definition at line 62 of file script.h.

Enumeration Type Documentation

anonymous enum

Signature hash types/flags.

Enumerator
SIGHASH_ALL 
SIGHASH_NONE 
SIGHASH_SINGLE 
SIGHASH_ANYONECANPAY 

Definition at line 23 of file script.h.

anonymous enum

Script verification flags.

Enumerator
SCRIPT_VERIFY_NONE 
SCRIPT_VERIFY_P2SH 
SCRIPT_VERIFY_STRICTENC 
SCRIPT_VERIFY_NOCACHE 

Definition at line 32 of file script.h.

enum opcodetype

Script opcodes.

Enumerator
OP_0 
OP_FALSE 
OP_PUSHDATA1 
OP_PUSHDATA2 
OP_PUSHDATA4 
OP_1NEGATE 
OP_RESERVED 
OP_1 
OP_TRUE 
OP_2 
OP_3 
OP_4 
OP_5 
OP_6 
OP_7 
OP_8 
OP_9 
OP_10 
OP_11 
OP_12 
OP_13 
OP_14 
OP_15 
OP_16 
OP_NOP 
OP_VER 
OP_IF 
OP_NOTIF 
OP_VERIF 
OP_VERNOTIF 
OP_ELSE 
OP_ENDIF 
OP_VERIFY 
OP_RETURN 
OP_TOALTSTACK 
OP_FROMALTSTACK 
OP_2DROP 
OP_2DUP 
OP_3DUP 
OP_2OVER 
OP_2ROT 
OP_2SWAP 
OP_IFDUP 
OP_DEPTH 
OP_DROP 
OP_DUP 
OP_NIP 
OP_OVER 
OP_PICK 
OP_ROLL 
OP_ROT 
OP_SWAP 
OP_TUCK 
OP_CAT 
OP_SUBSTR 
OP_LEFT 
OP_RIGHT 
OP_SIZE 
OP_INVERT 
OP_AND 
OP_OR 
OP_XOR 
OP_EQUAL 
OP_EQUALVERIFY 
OP_RESERVED1 
OP_RESERVED2 
OP_1ADD 
OP_1SUB 
OP_2MUL 
OP_2DIV 
OP_NEGATE 
OP_ABS 
OP_NOT 
OP_0NOTEQUAL 
OP_ADD 
OP_SUB 
OP_MUL 
OP_DIV 
OP_MOD 
OP_LSHIFT 
OP_RSHIFT 
OP_BOOLAND 
OP_BOOLOR 
OP_NUMEQUAL 
OP_NUMEQUALVERIFY 
OP_NUMNOTEQUAL 
OP_LESSTHAN 
OP_GREATERTHAN 
OP_LESSTHANOREQUAL 
OP_GREATERTHANOREQUAL 
OP_MIN 
OP_MAX 
OP_WITHIN 
OP_RIPEMD160 
OP_SHA1 
OP_SHA256 
OP_HASH160 
OP_HASH256 
OP_CODESEPARATOR 
OP_CHECKSIG 
OP_CHECKSIGVERIFY 
OP_CHECKMULTISIG 
OP_CHECKMULTISIGVERIFY 
OP_NOP1 
OP_NOP2 
OP_NOP3 
OP_NOP4 
OP_NOP5 
OP_NOP6 
OP_NOP7 
OP_NOP8 
OP_NOP9 
OP_NOP10 
OP_SMALLINTEGER 
OP_PUBKEYS 
OP_PUBKEYHASH 
OP_PUBKEY 
OP_INVALIDOPCODE 

Definition at line 67 of file script.h.

enum txnouttype
Enumerator
TX_NONSTANDARD 
TX_PUBKEY 
TX_PUBKEYHASH 
TX_SCRIPTHASH 
TX_MULTISIG 

Definition at line 40 of file script.h.

Function Documentation

CScript CombineSignatures ( CScript  scriptPubKey,
const CTransaction &  txTo,
unsigned int  nIn,
const CScript &  scriptSig1,
const CScript &  scriptSig2 
)

Definition at line 1671 of file script.cpp.

bool EvalScript ( std::vector< std::vector< unsigned char > > &  stack,
const CScript &  script,
const CTransaction &  txTo,
unsigned int  nIn,
unsigned int  flags,
int  nHashType 
)

Definition at line 292 of file script.cpp.

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

Definition at line 1422 of file script.cpp.

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

Definition at line 1448 of file script.cpp.

const char* GetOpName ( opcodetype  opcode)

Definition at line 87 of file script.cpp.

const char* GetTxnOutputType ( txnouttype  t)

Definition at line 73 of file script.cpp.

bool IsCanonicalPubKey ( const std::vector< unsigned char > &  vchPubKey)

Definition at line 230 of file script.cpp.

bool IsCanonicalSignature ( const std::vector< unsigned char > &  vchSig)

Definition at line 245 of file script.cpp.

bool IsMine ( const CKeyStore &  keystore,
const CScript &  scriptPubKey 
)

Definition at line 1383 of file script.cpp.

bool IsMine ( const CKeyStore &  keystore,
const CTxDestination &  dest 
)

Definition at line 1378 of file script.cpp.

bool IsStandard ( const CScript &  scriptPubKey)

Definition at line 1332 of file script.cpp.

int ScriptSigArgsExpected ( txnouttype  t,
const std::vector< std::vector< unsigned char > > &  vSolutions 
)

Definition at line 1312 of file script.cpp.

bool SignSignature ( const CKeyStore &  keystore,
const CScript &  fromPubKey,
CTransaction &  txTo,
unsigned int  nIn,
int  nHashType = SIGHASH_ALL 
)

Definition at line 1519 of file script.cpp.

bool SignSignature ( const CKeyStore &  keystore,
const CTransaction &  txFrom,
CTransaction &  txTo,
unsigned int  nIn,
int  nHashType = SIGHASH_ALL 
)

Definition at line 1554 of file script.cpp.

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

Definition at line 1127 of file script.cpp.

std::string StackString ( const std::vector< std::vector< unsigned char > > &  vStack)
inline

Definition at line 224 of file script.h.

std::string ValueString ( const std::vector< unsigned char > &  vch)
inline

Definition at line 216 of file script.h.

bool VerifyScript ( const CScript &  scriptSig,
const CScript &  scriptPubKey,
const CTransaction &  txTo,
unsigned int  nIn,
unsigned int  flags,
int  nHashType 
)

Definition at line 1477 of file script.cpp.

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