mirror of https://github.com/bitcoin/bitcoin
692 lines
19 KiB
C++
692 lines
19 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
|
// Distributed under the MIT/X11 software license, see the accompanying
|
|
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
class CTransaction;
|
|
|
|
enum
|
|
{
|
|
SIGHASH_ALL = 1,
|
|
SIGHASH_NONE = 2,
|
|
SIGHASH_SINGLE = 3,
|
|
SIGHASH_ANYONECANPAY = 0x80,
|
|
};
|
|
|
|
|
|
|
|
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_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,
|
|
|
|
// control
|
|
OP_NOP,
|
|
OP_VER,
|
|
OP_IF,
|
|
OP_NOTIF,
|
|
OP_VERIF,
|
|
OP_VERNOTIF,
|
|
OP_ELSE,
|
|
OP_ENDIF,
|
|
OP_VERIFY,
|
|
OP_RETURN,
|
|
|
|
// 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,
|
|
|
|
// splice ops
|
|
OP_CAT,
|
|
OP_SUBSTR,
|
|
OP_LEFT,
|
|
OP_RIGHT,
|
|
OP_SIZE,
|
|
|
|
// bit logic
|
|
OP_INVERT,
|
|
OP_AND,
|
|
OP_OR,
|
|
OP_XOR,
|
|
OP_EQUAL,
|
|
OP_EQUALVERIFY,
|
|
OP_RESERVED1,
|
|
OP_RESERVED2,
|
|
|
|
// 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,
|
|
|
|
// crypto
|
|
OP_RIPEMD160,
|
|
OP_SHA1,
|
|
OP_SHA256,
|
|
OP_HASH160,
|
|
OP_HASH256,
|
|
OP_CODESEPARATOR,
|
|
OP_CHECKSIG,
|
|
OP_CHECKSIGVERIFY,
|
|
OP_CHECKMULTISIG,
|
|
OP_CHECKMULTISIGVERIFY,
|
|
|
|
// expansion
|
|
OP_NOP1,
|
|
OP_NOP2,
|
|
OP_NOP3,
|
|
OP_NOP4,
|
|
OP_NOP5,
|
|
OP_NOP6,
|
|
OP_NOP7,
|
|
OP_NOP8,
|
|
OP_NOP9,
|
|
OP_NOP10,
|
|
|
|
|
|
|
|
// template matching params
|
|
OP_PUBKEYHASH = 0xfd,
|
|
OP_PUBKEY = 0xfe,
|
|
|
|
OP_INVALIDOPCODE = 0xff,
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
inline const char* GetOpName(opcodetype opcode)
|
|
{
|
|
switch (opcode)
|
|
{
|
|
// push value
|
|
case OP_0 : return "0";
|
|
case OP_PUSHDATA1 : return "OP_PUSHDATA1";
|
|
case OP_PUSHDATA2 : return "OP_PUSHDATA2";
|
|
case OP_PUSHDATA4 : return "OP_PUSHDATA4";
|
|
case OP_1NEGATE : return "-1";
|
|
case OP_RESERVED : return "OP_RESERVED";
|
|
case OP_1 : return "1";
|
|
case OP_2 : return "2";
|
|
case OP_3 : return "3";
|
|
case OP_4 : return "4";
|
|
case OP_5 : return "5";
|
|
case OP_6 : return "6";
|
|
case OP_7 : return "7";
|
|
case OP_8 : return "8";
|
|
case OP_9 : return "9";
|
|
case OP_10 : return "10";
|
|
case OP_11 : return "11";
|
|
case OP_12 : return "12";
|
|
case OP_13 : return "13";
|
|
case OP_14 : return "14";
|
|
case OP_15 : return "15";
|
|
case OP_16 : return "16";
|
|
|
|
// control
|
|
case OP_NOP : return "OP_NOP";
|
|
case OP_VER : return "OP_VER";
|
|
case OP_IF : return "OP_IF";
|
|
case OP_NOTIF : return "OP_NOTIF";
|
|
case OP_VERIF : return "OP_VERIF";
|
|
case OP_VERNOTIF : return "OP_VERNOTIF";
|
|
case OP_ELSE : return "OP_ELSE";
|
|
case OP_ENDIF : return "OP_ENDIF";
|
|
case OP_VERIFY : return "OP_VERIFY";
|
|
case OP_RETURN : return "OP_RETURN";
|
|
|
|
// stack ops
|
|
case OP_TOALTSTACK : return "OP_TOALTSTACK";
|
|
case OP_FROMALTSTACK : return "OP_FROMALTSTACK";
|
|
case OP_2DROP : return "OP_2DROP";
|
|
case OP_2DUP : return "OP_2DUP";
|
|
case OP_3DUP : return "OP_3DUP";
|
|
case OP_2OVER : return "OP_2OVER";
|
|
case OP_2ROT : return "OP_2ROT";
|
|
case OP_2SWAP : return "OP_2SWAP";
|
|
case OP_IFDUP : return "OP_IFDUP";
|
|
case OP_DEPTH : return "OP_DEPTH";
|
|
case OP_DROP : return "OP_DROP";
|
|
case OP_DUP : return "OP_DUP";
|
|
case OP_NIP : return "OP_NIP";
|
|
case OP_OVER : return "OP_OVER";
|
|
case OP_PICK : return "OP_PICK";
|
|
case OP_ROLL : return "OP_ROLL";
|
|
case OP_ROT : return "OP_ROT";
|
|
case OP_SWAP : return "OP_SWAP";
|
|
case OP_TUCK : return "OP_TUCK";
|
|
|
|
// splice ops
|
|
case OP_CAT : return "OP_CAT";
|
|
case OP_SUBSTR : return "OP_SUBSTR";
|
|
case OP_LEFT : return "OP_LEFT";
|
|
case OP_RIGHT : return "OP_RIGHT";
|
|
case OP_SIZE : return "OP_SIZE";
|
|
|
|
// bit logic
|
|
case OP_INVERT : return "OP_INVERT";
|
|
case OP_AND : return "OP_AND";
|
|
case OP_OR : return "OP_OR";
|
|
case OP_XOR : return "OP_XOR";
|
|
case OP_EQUAL : return "OP_EQUAL";
|
|
case OP_EQUALVERIFY : return "OP_EQUALVERIFY";
|
|
case OP_RESERVED1 : return "OP_RESERVED1";
|
|
case OP_RESERVED2 : return "OP_RESERVED2";
|
|
|
|
// numeric
|
|
case OP_1ADD : return "OP_1ADD";
|
|
case OP_1SUB : return "OP_1SUB";
|
|
case OP_2MUL : return "OP_2MUL";
|
|
case OP_2DIV : return "OP_2DIV";
|
|
case OP_NEGATE : return "OP_NEGATE";
|
|
case OP_ABS : return "OP_ABS";
|
|
case OP_NOT : return "OP_NOT";
|
|
case OP_0NOTEQUAL : return "OP_0NOTEQUAL";
|
|
case OP_ADD : return "OP_ADD";
|
|
case OP_SUB : return "OP_SUB";
|
|
case OP_MUL : return "OP_MUL";
|
|
case OP_DIV : return "OP_DIV";
|
|
case OP_MOD : return "OP_MOD";
|
|
case OP_LSHIFT : return "OP_LSHIFT";
|
|
case OP_RSHIFT : return "OP_RSHIFT";
|
|
case OP_BOOLAND : return "OP_BOOLAND";
|
|
case OP_BOOLOR : return "OP_BOOLOR";
|
|
case OP_NUMEQUAL : return "OP_NUMEQUAL";
|
|
case OP_NUMEQUALVERIFY : return "OP_NUMEQUALVERIFY";
|
|
case OP_NUMNOTEQUAL : return "OP_NUMNOTEQUAL";
|
|
case OP_LESSTHAN : return "OP_LESSTHAN";
|
|
case OP_GREATERTHAN : return "OP_GREATERTHAN";
|
|
case OP_LESSTHANOREQUAL : return "OP_LESSTHANOREQUAL";
|
|
case OP_GREATERTHANOREQUAL : return "OP_GREATERTHANOREQUAL";
|
|
case OP_MIN : return "OP_MIN";
|
|
case OP_MAX : return "OP_MAX";
|
|
case OP_WITHIN : return "OP_WITHIN";
|
|
|
|
// crypto
|
|
case OP_RIPEMD160 : return "OP_RIPEMD160";
|
|
case OP_SHA1 : return "OP_SHA1";
|
|
case OP_SHA256 : return "OP_SHA256";
|
|
case OP_HASH160 : return "OP_HASH160";
|
|
case OP_HASH256 : return "OP_HASH256";
|
|
case OP_CODESEPARATOR : return "OP_CODESEPARATOR";
|
|
case OP_CHECKSIG : return "OP_CHECKSIG";
|
|
case OP_CHECKSIGVERIFY : return "OP_CHECKSIGVERIFY";
|
|
case OP_CHECKMULTISIG : return "OP_CHECKMULTISIG";
|
|
case OP_CHECKMULTISIGVERIFY : return "OP_CHECKMULTISIGVERIFY";
|
|
|
|
// expanson
|
|
case OP_NOP1 : return "OP_NOP1";
|
|
case OP_NOP2 : return "OP_NOP2";
|
|
case OP_NOP3 : return "OP_NOP3";
|
|
case OP_NOP4 : return "OP_NOP4";
|
|
case OP_NOP5 : return "OP_NOP5";
|
|
case OP_NOP6 : return "OP_NOP6";
|
|
case OP_NOP7 : return "OP_NOP7";
|
|
case OP_NOP8 : return "OP_NOP8";
|
|
case OP_NOP9 : return "OP_NOP9";
|
|
case OP_NOP10 : return "OP_NOP10";
|
|
|
|
|
|
|
|
// template matching params
|
|
case OP_PUBKEYHASH : return "OP_PUBKEYHASH";
|
|
case OP_PUBKEY : return "OP_PUBKEY";
|
|
|
|
case OP_INVALIDOPCODE : return "OP_INVALIDOPCODE";
|
|
default:
|
|
return "OP_UNKNOWN";
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
inline string ValueString(const vector<unsigned char>& vch)
|
|
{
|
|
if (vch.size() <= 4)
|
|
return strprintf("%d", CBigNum(vch).getint());
|
|
else
|
|
return HexStr(vch);
|
|
}
|
|
|
|
inline string StackString(const vector<vector<unsigned char> >& vStack)
|
|
{
|
|
string str;
|
|
foreach(const vector<unsigned char>& vch, vStack)
|
|
{
|
|
if (!str.empty())
|
|
str += " ";
|
|
str += ValueString(vch);
|
|
}
|
|
return str;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class CScript : public vector<unsigned char>
|
|
{
|
|
protected:
|
|
CScript& push_int64(int64 n)
|
|
{
|
|
if (n == -1 || (n >= 1 && n <= 16))
|
|
{
|
|
push_back(n + (OP_1 - 1));
|
|
}
|
|
else
|
|
{
|
|
CBigNum bn(n);
|
|
*this << bn.getvch();
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
CScript& push_uint64(uint64 n)
|
|
{
|
|
if (n >= 1 && n <= 16)
|
|
{
|
|
push_back(n + (OP_1 - 1));
|
|
}
|
|
else
|
|
{
|
|
CBigNum bn(n);
|
|
*this << bn.getvch();
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
public:
|
|
CScript() { }
|
|
CScript(const CScript& b) : vector<unsigned char>(b.begin(), b.end()) { }
|
|
CScript(const_iterator pbegin, const_iterator pend) : vector<unsigned char>(pbegin, pend) { }
|
|
#ifndef _MSC_VER
|
|
CScript(const unsigned char* pbegin, const unsigned char* pend) : vector<unsigned char>(pbegin, pend) { }
|
|
#endif
|
|
|
|
CScript& operator+=(const CScript& b)
|
|
{
|
|
insert(end(), b.begin(), b.end());
|
|
return *this;
|
|
}
|
|
|
|
friend CScript operator+(const CScript& a, const CScript& b)
|
|
{
|
|
CScript ret = a;
|
|
ret += b;
|
|
return ret;
|
|
}
|
|
|
|
|
|
explicit CScript(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(opcodetype b) { operator<<(b); }
|
|
explicit CScript(const uint256& b) { operator<<(b); }
|
|
explicit CScript(const CBigNum& b) { operator<<(b); }
|
|
explicit CScript(const vector<unsigned char>& b) { operator<<(b); }
|
|
|
|
|
|
CScript& operator<<(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<<(opcodetype opcode)
|
|
{
|
|
if (opcode < 0 || opcode > 0xff)
|
|
throw runtime_error("CScript::operator<<() : invalid opcode");
|
|
insert(end(), (unsigned char)opcode);
|
|
return *this;
|
|
}
|
|
|
|
CScript& operator<<(const uint160& b)
|
|
{
|
|
insert(end(), sizeof(b));
|
|
insert(end(), (unsigned char*)&b, (unsigned char*)&b + sizeof(b));
|
|
return *this;
|
|
}
|
|
|
|
CScript& operator<<(const uint256& b)
|
|
{
|
|
insert(end(), sizeof(b));
|
|
insert(end(), (unsigned char*)&b, (unsigned char*)&b + sizeof(b));
|
|
return *this;
|
|
}
|
|
|
|
CScript& operator<<(const CBigNum& b)
|
|
{
|
|
*this << b.getvch();
|
|
return *this;
|
|
}
|
|
|
|
CScript& operator<<(const vector<unsigned char>& b)
|
|
{
|
|
if (b.size() < OP_PUSHDATA1)
|
|
{
|
|
insert(end(), (unsigned char)b.size());
|
|
}
|
|
else if (b.size() <= 0xff)
|
|
{
|
|
insert(end(), OP_PUSHDATA1);
|
|
insert(end(), (unsigned char)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));
|
|
}
|
|
else
|
|
{
|
|
insert(end(), OP_PUSHDATA4);
|
|
unsigned int nSize = b.size();
|
|
insert(end(), (unsigned char*)&nSize, (unsigned char*)&nSize + sizeof(nSize));
|
|
}
|
|
insert(end(), b.begin(), b.end());
|
|
return *this;
|
|
}
|
|
|
|
CScript& operator<<(const CScript& b)
|
|
{
|
|
// 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", false));
|
|
return *this;
|
|
}
|
|
|
|
|
|
bool GetOp(iterator& pc, opcodetype& opcodeRet, vector<unsigned char>& vchRet)
|
|
{
|
|
// Wrapper so it can be called with either iterator or const_iterator
|
|
const_iterator pc2 = pc;
|
|
bool fRet = GetOp2(pc2, opcodeRet, &vchRet);
|
|
pc = begin() + (pc2 - begin());
|
|
return fRet;
|
|
}
|
|
|
|
bool GetOp(iterator& pc, opcodetype& opcodeRet)
|
|
{
|
|
const_iterator pc2 = pc;
|
|
bool fRet = GetOp2(pc2, opcodeRet, NULL);
|
|
pc = begin() + (pc2 - begin());
|
|
return fRet;
|
|
}
|
|
|
|
bool GetOp(const_iterator& pc, opcodetype& opcodeRet, vector<unsigned char>& vchRet) const
|
|
{
|
|
return GetOp2(pc, opcodeRet, &vchRet);
|
|
}
|
|
|
|
bool GetOp(const_iterator& pc, opcodetype& opcodeRet) const
|
|
{
|
|
return GetOp2(pc, opcodeRet, NULL);
|
|
}
|
|
|
|
bool GetOp2(const_iterator& pc, opcodetype& opcodeRet, vector<unsigned char>* pvchRet) const
|
|
{
|
|
opcodeRet = OP_INVALIDOPCODE;
|
|
if (pvchRet)
|
|
pvchRet->clear();
|
|
if (pc >= end())
|
|
return false;
|
|
|
|
// Read instruction
|
|
if (end() - pc < 1)
|
|
return false;
|
|
unsigned int opcode = *pc++;
|
|
|
|
// Immediate operand
|
|
if (opcode <= OP_PUSHDATA4)
|
|
{
|
|
unsigned int nSize;
|
|
if (opcode < OP_PUSHDATA1)
|
|
{
|
|
nSize = opcode;
|
|
}
|
|
else if (opcode == OP_PUSHDATA1)
|
|
{
|
|
if (end() - pc < 1)
|
|
return false;
|
|
nSize = *pc++;
|
|
}
|
|
else if (opcode == OP_PUSHDATA2)
|
|
{
|
|
if (end() - pc < 2)
|
|
return false;
|
|
nSize = 0;
|
|
memcpy(&nSize, &pc[0], 2);
|
|
pc += 2;
|
|
}
|
|
else if (opcode == OP_PUSHDATA4)
|
|
{
|
|
if (end() - pc < 4)
|
|
return false;
|
|
memcpy(&nSize, &pc[0], 4);
|
|
pc += 4;
|
|
}
|
|
if (end() - pc < nSize)
|
|
return false;
|
|
if (pvchRet)
|
|
pvchRet->assign(pc, pc + nSize);
|
|
pc += nSize;
|
|
}
|
|
|
|
opcodeRet = (opcodetype)opcode;
|
|
return true;
|
|
}
|
|
|
|
|
|
void FindAndDelete(const CScript& b)
|
|
{
|
|
if (b.empty())
|
|
return;
|
|
iterator pc = begin();
|
|
opcodetype opcode;
|
|
do
|
|
{
|
|
while (end() - pc >= b.size() && memcmp(&pc[0], &b[0], b.size()) == 0)
|
|
erase(pc, pc + b.size());
|
|
}
|
|
while (GetOp(pc, opcode));
|
|
}
|
|
|
|
|
|
int GetSigOpCount() const
|
|
{
|
|
int n = 0;
|
|
const_iterator pc = begin();
|
|
while (pc < end())
|
|
{
|
|
opcodetype opcode;
|
|
if (!GetOp(pc, opcode))
|
|
break;
|
|
if (opcode == OP_CHECKSIG || opcode == OP_CHECKSIGVERIFY)
|
|
n++;
|
|
else if (opcode == OP_CHECKMULTISIG || opcode == OP_CHECKMULTISIGVERIFY)
|
|
n += 20;
|
|
}
|
|
return n;
|
|
}
|
|
|
|
|
|
uint160 GetBitcoinAddressHash160() const
|
|
{
|
|
opcodetype opcode;
|
|
vector<unsigned char> vch;
|
|
CScript::const_iterator pc = begin();
|
|
if (!GetOp(pc, opcode, vch) || opcode != OP_DUP) return 0;
|
|
if (!GetOp(pc, opcode, vch) || opcode != OP_HASH160) return 0;
|
|
if (!GetOp(pc, opcode, vch) || vch.size() != sizeof(uint160)) return 0;
|
|
uint160 hash160 = uint160(vch);
|
|
if (!GetOp(pc, opcode, vch) || opcode != OP_EQUALVERIFY) return 0;
|
|
if (!GetOp(pc, opcode, vch) || opcode != OP_CHECKSIG) return 0;
|
|
if (pc != end()) return 0;
|
|
return hash160;
|
|
}
|
|
|
|
string GetBitcoinAddress() const
|
|
{
|
|
uint160 hash160 = GetBitcoinAddressHash160();
|
|
if (hash160 == 0)
|
|
return "";
|
|
return Hash160ToAddress(hash160);
|
|
}
|
|
|
|
void SetBitcoinAddress(const uint160& hash160)
|
|
{
|
|
this->clear();
|
|
*this << OP_DUP << OP_HASH160 << hash160 << OP_EQUALVERIFY << OP_CHECKSIG;
|
|
}
|
|
|
|
void SetBitcoinAddress(const vector<unsigned char>& vchPubKey)
|
|
{
|
|
SetBitcoinAddress(Hash160(vchPubKey));
|
|
}
|
|
|
|
bool SetBitcoinAddress(const string& strAddress)
|
|
{
|
|
this->clear();
|
|
uint160 hash160;
|
|
if (!AddressToHash160(strAddress, hash160))
|
|
return false;
|
|
SetBitcoinAddress(hash160);
|
|
return true;
|
|
}
|
|
|
|
|
|
void PrintHex() const
|
|
{
|
|
printf("CScript(%s)\n", HexStr(begin(), end(), true).c_str());
|
|
}
|
|
|
|
string ToString() const
|
|
{
|
|
string str;
|
|
opcodetype opcode;
|
|
vector<unsigned char> vch;
|
|
const_iterator pc = begin();
|
|
while (pc < end())
|
|
{
|
|
if (!str.empty())
|
|
str += " ";
|
|
if (!GetOp(pc, opcode, vch))
|
|
{
|
|
str += "[error]";
|
|
return str;
|
|
}
|
|
if (0 <= opcode && opcode <= OP_PUSHDATA4)
|
|
str += ValueString(vch);
|
|
else
|
|
str += GetOpName(opcode);
|
|
}
|
|
return str;
|
|
}
|
|
|
|
void print() const
|
|
{
|
|
printf("%s\n", ToString().c_str());
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
uint256 SignatureHash(CScript scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType);
|
|
bool IsMine(const CScript& scriptPubKey);
|
|
bool ExtractPubKey(const CScript& scriptPubKey, bool fMineOnly, vector<unsigned char>& vchPubKeyRet);
|
|
bool ExtractHash160(const CScript& scriptPubKey, uint160& hash160Ret);
|
|
bool SignSignature(const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL, CScript scriptPrereq=CScript());
|
|
bool VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsigned int nIn, int nHashType=0);
|