#ifndef H_BITCOIN_SCRIPT
#define H_BITCOIN_SCRIPT
-#include "base58.h"
-
#include <string>
#include <vector>
#include <boost/foreach.hpp>
+#include "keystore.h"
+#include "bignum.h"
+#include "base58.h"
+
+typedef std::vector<uint8_t> valtype;
+
class CTransaction;
-class CKeyStore;
+class CBitcoinAddress;
+
+static const unsigned int MAX_SCRIPT_ELEMENT_SIZE = 520; // bytes
-/** Signature hash types/flags */
+// Setting nSequence to this value for every input in a transaction
+// disables nLockTime.
+static const uint32_t SEQUENCE_FINAL = 0xffffffff;
+
+// Threshold for inverted nSequence: below this value it is interpreted
+// as a relative lock-time, otherwise ignored.
+//static const uint32_t SEQUENCE_THRESHOLD = 0x80000000;
+
+// If this flag set, CTxIn::nSequence is NOT interpreted as a
+// relative lock-time.
+static const uint32_t SEQUENCE_LOCKTIME_DISABLE_FLAG = 0x80000000;
+
+// If CTxIn::nSequence encodes a relative lock-time and this flag
+// is set, the relative lock-time has units of 512 seconds,
+// otherwise it specifies blocks with a granularity of 1.
+static const uint32_t SEQUENCE_LOCKTIME_TYPE_FLAG = 0x00400000;
+
+// If CTxIn::nSequence encodes a relative lock-time, this mask is
+// applied to extract that lock-time from the sequence field.
+static const uint32_t SEQUENCE_LOCKTIME_MASK = 0x0000ffff;
+
+// IsMine() return codes
+enum isminetype
+{
+ MINE_NO = 0,
+ MINE_WATCH_ONLY = 1,
+ MINE_SPENDABLE = 2,
+ MINE_ALL = MINE_WATCH_ONLY | MINE_SPENDABLE
+};
+
+typedef uint8_t isminefilter;
+
+// Signature hash types/flags
enum
{
SIGHASH_ALL = 1,
SIGHASH_NONE = 2,
SIGHASH_SINGLE = 3,
- SIGHASH_ANYONECANPAY = 0x80,
+ SIGHASH_ANYONECANPAY = 0x80
};
+// Script verification flags
+enum
+{
+ SCRIPT_VERIFY_NONE = 0,
+ SCRIPT_VERIFY_P2SH = (1U << 0), // evaluate P2SH (BIP16) subscripts
+ SCRIPT_VERIFY_STRICTENC = (1U << 1), // enforce strict conformance to DER and SEC2 for signatures and pubkeys
+ SCRIPT_VERIFY_LOW_S = (1U << 2), // enforce low S values in signatures (depends on STRICTENC)
+ SCRIPT_VERIFY_NOCACHE = (1U << 3), // do not store results in signature cache (but do query it)
+ SCRIPT_VERIFY_NULLDUMMY = (1U << 4), // verify dummy stack item consumed by CHECKMULTISIG is of zero-length
+ SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY = (1U << 9),
+ SCRIPT_VERIFY_CHECKSEQUENCEVERIFY = (1U << 10)
+};
+
+// Strict verification:
+//
+// * force DER encoding;
+// * force low S;
+// * ensure that CHECKMULTISIG dummy argument is null.
+static const unsigned int STRICT_FORMAT_FLAGS = SCRIPT_VERIFY_STRICTENC | SCRIPT_VERIFY_LOW_S | SCRIPT_VERIFY_NULLDUMMY;
+
+// Mandatory script verification flags that all new blocks must comply with for
+// them to be valid. (but old blocks may not comply with) Currently just P2SH,
+// but in the future other flags may be added, such as a soft-fork to enforce
+// strict DER encoding.
+//
+// Failing one of these tests may trigger a DoS ban - see ConnectInputs() for
+// details.
+static const unsigned int MANDATORY_SCRIPT_VERIFY_FLAGS = SCRIPT_VERIFY_P2SH;
+
+// Standard script verification flags that standard transactions will comply
+// with. However scripts violating these flags may still be present in valid
+// blocks and we must accept those blocks.
+static const unsigned int STRICT_FLAGS = MANDATORY_SCRIPT_VERIFY_FLAGS | STRICT_FORMAT_FLAGS;
enum txnouttype
{
TX_NONSTANDARD,
// 'standard' transaction types:
TX_PUBKEY,
+ TX_PUBKEY_DROP,
TX_PUBKEYHASH,
TX_SCRIPTHASH,
TX_MULTISIG,
+ TX_NULL_DATA
};
const char* GetTxnOutputType(txnouttype t);
-/** Script opcodes */
+// Script opcodes
enum opcodetype
{
// push value
- OP_0=0,
- OP_FALSE=OP_0,
- OP_PUSHDATA1=76,
- OP_PUSHDATA2,
- OP_PUSHDATA4,
- OP_1NEGATE,
- OP_RESERVED,
- OP_1,
+ 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,
- 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_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,
// control
- OP_NOP,
- OP_VER,
- OP_IF,
- OP_NOTIF,
- OP_VERIF,
- OP_VERNOTIF,
- OP_ELSE,
- OP_ENDIF,
- OP_VERIFY,
- OP_RETURN,
+ 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_CHECKLOCKTIMEVERIFY = 0xb1,
+ OP_CHECKSEQUENCEVERIFY = 0xb2,
// stack ops
- 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_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,
// splice ops
- OP_CAT,
- OP_SUBSTR,
- OP_LEFT,
- OP_RIGHT,
- OP_SIZE,
+ OP_CAT = 0x7e,
+ OP_SUBSTR = 0x7f,
+ OP_LEFT = 0x80,
+ OP_RIGHT = 0x81,
+ OP_SIZE = 0x82,
// bit logic
- OP_INVERT,
- OP_AND,
- OP_OR,
- OP_XOR,
- OP_EQUAL,
- OP_EQUALVERIFY,
- OP_RESERVED1,
- OP_RESERVED2,
+ OP_INVERT = 0x83,
+ OP_AND = 0x84,
+ OP_OR = 0x85,
+ OP_XOR = 0x86,
+ OP_EQUAL = 0x87,
+ OP_EQUALVERIFY = 0x88,
+ OP_RESERVED1 = 0x89,
+ OP_RESERVED2 = 0x8a,
// numeric
- 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_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,
// crypto
- OP_RIPEMD160,
- OP_SHA1,
- OP_SHA256,
- OP_HASH160,
- OP_HASH256,
- OP_CODESEPARATOR,
- OP_CHECKSIG,
- OP_CHECKSIGVERIFY,
- OP_CHECKMULTISIG,
- OP_CHECKMULTISIGVERIFY,
+ 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,
// expansion
- OP_NOP1,
- OP_NOP2,
- OP_NOP3,
- OP_NOP4,
- OP_NOP5,
- OP_NOP6,
- OP_NOP7,
- OP_NOP8,
- OP_NOP9,
- OP_NOP10,
-
-
+ OP_NOP1 = 0xb0,
+ OP_NOP4 = 0xb3,
+ OP_NOP5 = 0xb4,
+ OP_NOP6 = 0xb5,
+ OP_NOP7 = 0xb6,
+ OP_NOP8 = 0xb7,
+ OP_NOP9 = 0xb8,
+ OP_NOP10 = 0xb9,
// template matching params
+ OP_SMALLDATA = 0xf9,
OP_SMALLINTEGER = 0xfa,
OP_PUBKEYS = 0xfb,
+ OP_INTEGER = 0xfc,
OP_PUBKEYHASH = 0xfd,
OP_PUBKEY = 0xfe,
- OP_INVALIDOPCODE = 0xff,
+ OP_INVALIDOPCODE = 0xff
};
const char* GetOpName(opcodetype opcode);
-
-
inline std::string ValueString(const std::vector<unsigned char>& vch)
{
if (vch.size() <= 4)
- return strprintf("%d", CBigNum(vch).getint());
+ return strprintf("%d", CBigNum(vch).getint32());
else
return HexStr(vch);
}
return str;
}
-
-
-
-
-
-
-
-/** Serialized script, used inside transaction inputs and outputs */
-class CScript : public std::vector<unsigned char>
+// Serialized script, used inside transaction inputs and outputs
+class CScript : public std::vector<uint8_t>
{
protected:
- CScript& push_int64(int64 n)
+ CScript& push_int64(int64_t n)
{
if (n == -1 || (n >= 1 && n <= 16))
{
- push_back(n + (OP_1 - 1));
+ push_back((uint8_t)n + (OP_1 - 1));
}
else
{
return *this;
}
- CScript& push_uint64(uint64 n)
+ CScript& push_uint64(uint64_t n)
{
if (n >= 1 && n <= 16)
{
- push_back(n + (OP_1 - 1));
+ push_back((uint8_t)n + (OP_1 - 1));
}
else
{
public:
CScript() { }
- CScript(const CScript& b) : std::vector<unsigned char>(b.begin(), b.end()) { }
- CScript(const_iterator pbegin, const_iterator pend) : std::vector<unsigned char>(pbegin, pend) { }
+ CScript(const CScript& b) : std::vector<uint8_t>(b.begin(), b.end()) { }
+ CScript(const_iterator pbegin, const_iterator pend) : std::vector<uint8_t>(pbegin, pend) { }
#ifndef _MSC_VER
- CScript(const unsigned char* pbegin, const unsigned char* pend) : std::vector<unsigned char>(pbegin, pend) { }
+ CScript(const uint8_t* pbegin, const uint8_t* pend) : std::vector<uint8_t>(pbegin, pend) { }
#endif
CScript& operator+=(const CScript& b)
return ret;
}
+ explicit CScript(int8_t b) { operator<<(b); }
+ explicit CScript(int16_t b) { operator<<(b); }
+ explicit CScript(int32_t b) { operator<<(b); }
+ explicit CScript(int64_t b) { operator<<(b); }
- //explicit CScript(char b) is not portable. Use 'signed char' or 'unsigned char'.
- explicit CScript(signed char b) { operator<<(b); }
- explicit CScript(short b) { operator<<(b); }
- explicit CScript(int b) { operator<<(b); }
- explicit CScript(long b) { operator<<(b); }
- explicit CScript(int64 b) { operator<<(b); }
- explicit CScript(unsigned char b) { operator<<(b); }
- explicit CScript(unsigned int b) { operator<<(b); }
- explicit CScript(unsigned short b) { operator<<(b); }
- explicit CScript(unsigned long b) { operator<<(b); }
- explicit CScript(uint64 b) { operator<<(b); }
+ explicit CScript(uint8_t b) { operator<<(b); }
+ explicit CScript(uint16_t b) { operator<<(b); }
+ explicit CScript(uint32_t b) { operator<<(b); }
+ explicit CScript(uint64_t b) { operator<<(b); }
explicit CScript(opcodetype b) { operator<<(b); }
explicit CScript(const uint256& b) { operator<<(b); }
explicit CScript(const CBigNum& b) { operator<<(b); }
- explicit CScript(const std::vector<unsigned char>& b) { operator<<(b); }
+ explicit CScript(const std::vector<uint8_t>& b) { operator<<(b); }
+ CScript& operator<<(int8_t b) { return push_int64(b); }
+ CScript& operator<<(int16_t b) { return push_int64(b); }
+ CScript& operator<<(int32_t b) { return push_int64(b); }
+ CScript& operator<<(int64_t b) { return push_int64(b); }
- //CScript& operator<<(char b) is not portable. Use 'signed char' or 'unsigned char'.
- CScript& operator<<(signed char b) { return push_int64(b); }
- CScript& operator<<(short b) { return push_int64(b); }
- CScript& operator<<(int b) { return push_int64(b); }
- CScript& operator<<(long b) { return push_int64(b); }
- CScript& operator<<(int64 b) { return push_int64(b); }
- CScript& operator<<(unsigned char b) { return push_uint64(b); }
- CScript& operator<<(unsigned int b) { return push_uint64(b); }
- CScript& operator<<(unsigned short b) { return push_uint64(b); }
- CScript& operator<<(unsigned long b) { return push_uint64(b); }
- CScript& operator<<(uint64 b) { return push_uint64(b); }
+ CScript& operator<<(uint8_t b) { return push_uint64(b); }
+ CScript& operator<<(uint16_t b) { return push_uint64(b); }
+ CScript& operator<<(uint32_t b) { return push_uint64(b); }
+ CScript& operator<<(uint64_t b) { return push_uint64(b); }
CScript& operator<<(opcodetype opcode)
{
if (opcode < 0 || opcode > 0xff)
throw std::runtime_error("CScript::operator<<() : invalid opcode");
- insert(end(), (unsigned char)opcode);
+ insert(end(), (uint8_t)opcode);
return *this;
}
CScript& operator<<(const uint160& b)
{
insert(end(), sizeof(b));
- insert(end(), (unsigned char*)&b, (unsigned char*)&b + sizeof(b));
+ insert(end(), (uint8_t*)&b, (uint8_t*)&b + sizeof(b));
return *this;
}
CScript& operator<<(const uint256& b)
{
insert(end(), sizeof(b));
- insert(end(), (unsigned char*)&b, (unsigned char*)&b + sizeof(b));
+ insert(end(), (uint8_t*)&b, (uint8_t*)&b + sizeof(b));
return *this;
}
+ CScript& operator<<(const CPubKey& key)
+ {
+ std::vector<uint8_t> vchKey(key.begin(), key.end());
+ return (*this) << vchKey;
+ }
+
CScript& operator<<(const CBigNum& b)
{
*this << b.getvch();
return *this;
}
- CScript& operator<<(const std::vector<unsigned char>& b)
+ CScript& operator<<(const std::vector<uint8_t>& b)
{
if (b.size() < OP_PUSHDATA1)
{
- insert(end(), (unsigned char)b.size());
+ insert(end(), (uint8_t)b.size());
}
else if (b.size() <= 0xff)
{
insert(end(), OP_PUSHDATA1);
- insert(end(), (unsigned char)b.size());
+ insert(end(), (uint8_t)b.size());
}
else if (b.size() <= 0xffff)
{
insert(end(), OP_PUSHDATA2);
- unsigned short nSize = b.size();
- insert(end(), (unsigned char*)&nSize, (unsigned char*)&nSize + sizeof(nSize));
+ uint16_t nSize = (uint16_t) b.size();
+ insert(end(), (uint8_t*)&nSize, (uint8_t*)&nSize + sizeof(nSize));
}
else
{
insert(end(), OP_PUSHDATA4);
- unsigned int nSize = b.size();
- insert(end(), (unsigned char*)&nSize, (unsigned char*)&nSize + sizeof(nSize));
+ uint32_t nSize = (uint32_t) b.size();
+ insert(end(), (uint8_t*)&nSize, (uint8_t*)&nSize + sizeof(nSize));
}
insert(end(), b.begin(), b.end());
return *this;
{
// I'm not sure if this should push the script or concatenate scripts.
// If there's ever a use for pushing a script onto a script, delete this member fn
- assert(!"warning: pushing a CScript onto a CScript with << is probably not intended, use + to concatenate");
+ assert(!"Warning: Pushing a CScript onto a CScript with << is probably not intended, use + to concatenate!");
return *this;
}
- bool GetOp(iterator& pc, opcodetype& opcodeRet, std::vector<unsigned char>& vchRet)
+ bool GetOp(iterator& pc, opcodetype& opcodeRet, std::vector<uint8_t>& vchRet)
{
// Wrapper so it can be called with either iterator or const_iterator
const_iterator pc2 = pc;
return fRet;
}
- bool GetOp(const_iterator& pc, opcodetype& opcodeRet, std::vector<unsigned char>& vchRet) const
+ bool GetOp(const_iterator& pc, opcodetype& opcodeRet, std::vector<uint8_t>& vchRet) const
{
return GetOp2(pc, opcodeRet, &vchRet);
}
return GetOp2(pc, opcodeRet, NULL);
}
- bool GetOp2(const_iterator& pc, opcodetype& opcodeRet, std::vector<unsigned char>* pvchRet) const
+ bool GetOp2(const_iterator& pc, opcodetype& opcodeRet, std::vector<uint8_t>* pvchRet) const
{
opcodeRet = OP_INVALIDOPCODE;
if (pvchRet)
// Read instruction
if (end() - pc < 1)
return false;
- unsigned int opcode = *pc++;
+ uint32_t opcode = *pc++;
// Immediate operand
if (opcode <= OP_PUSHDATA4)
{
- unsigned int nSize;
+ uint32_t nSize = OP_0;
if (opcode < OP_PUSHDATA1)
{
nSize = opcode;
{
if (end() - pc < 2)
return false;
- nSize = 0;
memcpy(&nSize, &pc[0], 2);
pc += 2;
}
memcpy(&nSize, &pc[0], 4);
pc += 4;
}
- if (end() - pc < nSize)
+ if (end() - pc < 0 || (uint32_t)(end() - pc) < nSize)
return false;
if (pvchRet)
pvchRet->assign(pc, pc + nSize);
if (opcode == OP_0)
return 0;
assert(opcode >= OP_1 && opcode <= OP_16);
- return (int)opcode - (int)(OP_1 - 1);
+ return (opcode - (OP_1 - 1));
}
static opcodetype EncodeOP_N(int n)
{
opcodetype opcode;
do
{
- while (end() - pc >= b.size() && memcmp(&pc[0], &b[0], b.size()) == 0)
+ while (end() - pc >= (long)b.size() && memcmp(&pc[0], &b[0], b.size()) == 0)
{
erase(pc, pc + b.size());
++nFound;
// CHECKMULTISIGs serialized in scriptSigs are
// counted more accurately, assuming they are of the form
// ... OP_N CHECKMULTISIG ...
- int GetSigOpCount(bool fAccurate) const;
+ unsigned int GetSigOpCount(bool fAccurate) const;
// Accurately count sigOps, including sigOps in
// pay-to-script-hash transactions:
- int GetSigOpCount(const CScript& scriptSig) const;
+ unsigned int GetSigOpCount(const CScript& scriptSig) const;
bool IsPayToScriptHash() const;
- // Called by CTransaction::IsStandard
- bool IsPushOnly() const
+ bool IsPushOnly(const_iterator pc) const
{
- const_iterator pc = begin();
while (pc < end())
{
opcodetype opcode;
return true;
}
-
- void SetBitcoinAddress(const CBitcoinAddress& address);
- void SetBitcoinAddress(const std::vector<unsigned char>& vchPubKey)
+ // Called by CTransaction::IsStandard and P2SH VerifyScript (which makes it consensus-critical).
+ bool IsPushOnly() const
{
- SetBitcoinAddress(CBitcoinAddress(vchPubKey));
+ return this->IsPushOnly(begin());
}
- void SetMultisig(int nRequired, const std::vector<CKey>& keys);
- void SetPayToScriptHash(const CScript& subscript);
+
+ // Called by CTransaction::IsStandard.
+ bool HasCanonicalPushes() const;
+
+ void SetDestination(const CTxDestination& address);
+ void SetAddress(const CBitcoinAddress& dest);
+ void SetMultisig(int nRequired, const std::vector<CPubKey>& keys);
void PrintHex() const
printf("CScript(%s)\n", HexStr(begin(), end(), true).c_str());
}
- std::string ToString() const
+ std::string ToString(bool fShort=false) const
{
std::string str;
opcodetype opcode;
- std::vector<unsigned char> vch;
+ std::vector<uint8_t> vch;
const_iterator pc = begin();
while (pc < end())
{
return str;
}
if (0 <= opcode && opcode <= OP_PUSHDATA4)
- str += ValueString(vch);
+ str += fShort? ValueString(vch).substr(0, 10) : ValueString(vch);
else
str += GetOpName(opcode);
}
{
printf("%s\n", ToString().c_str());
}
-};
-
-
+ CScriptID GetID() const
+ {
+ return CScriptID(Hash160(*this));
+ }
+};
+bool IsCanonicalPubKey(const std::vector<unsigned char> &vchPubKey, unsigned int flags);
+bool IsDERSignature(const valtype &vchSig, bool fWithHashType=false, bool fCheckLow=false);
+bool IsCanonicalSignature(const std::vector<unsigned char> &vchSig, unsigned int flags);
-bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, int nHashType);
+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 ExtractAddress(const CScript& scriptPubKey, CBitcoinAddress& addressRet);
-bool ExtractAddresses(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<CBitcoinAddress>& addressRet, int& nRequiredRet);
+bool IsStandard(const CScript& scriptPubKey, txnouttype& whichType);
+isminetype IsMine(const CKeyStore& keystore, const CScript& scriptPubKey);
+//isminetype IsMine(const CKeyStore& keystore, const CTxDestination& dest);
+isminetype IsMine(const CKeyStore& keystore, const CBitcoinAddress& dest);
+void ExtractAffectedKeys(const CKeyStore &keystore, const CScript& scriptPubKey, std::vector<CKeyID> &vKeys);
+bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet);
+bool ExtractAddress(const CKeyStore &keystore, const CScript& scriptPubKey, CBitcoinAddress& 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 VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsigned int nIn, bool fValidatePayToScriptHash, int nHashType);
+bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType);
+
+// Given two sets of signatures for scriptPubKey, possibly with OP_0 placeholders,
+// combine them intelligently and return the result.
+CScript CombineSignatures(const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, const CScript& scriptSig1, const CScript& scriptSig2);
#endif
git://git.novaco.in / novacoin.git / blobdiff