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cleanup,

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catch some recoverable exceptions and continue
-- version 0.3.12 release

git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@148 1a98c847-1fd6-4fd8-948a-caf3550aa51b
This commit is contained in:
s_nakamoto
2010-09-07 01:12:53 +00:00
parent d743f03552
commit 8c9479c6bb
18 changed files with 350 additions and 278 deletions
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178
script.h
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@@ -150,18 +150,11 @@ enum opcodetype
// multi-byte opcodes
OP_SINGLEBYTE_END = 0xF0,
OP_DOUBLEBYTE_BEGIN = 0xF000,
// template matching params
OP_PUBKEY,
OP_PUBKEYHASH,
OP_PUBKEYHASH = 0xfd,
OP_PUBKEY = 0xfe,
OP_INVALIDOPCODE = 0xFFFF,
OP_INVALIDOPCODE = 0xff,
};
@@ -304,16 +297,13 @@ inline const char* GetOpName(opcodetype opcode)
// multi-byte opcodes
case OP_SINGLEBYTE_END : return "OP_SINGLEBYTE_END";
case OP_DOUBLEBYTE_BEGIN : return "OP_DOUBLEBYTE_BEGIN";
case OP_PUBKEY : return "OP_PUBKEY";
// template matching params
case OP_PUBKEYHASH : return "OP_PUBKEYHASH";
case OP_PUBKEY : return "OP_PUBKEY";
case OP_INVALIDOPCODE : return "OP_INVALIDOPCODE";
default:
return "UNKNOWN_OPCODE";
return "OP_UNKNOWN";
}
};
@@ -325,8 +315,7 @@ inline string ValueString(const vector<unsigned char>& vch)
if (vch.size() <= 4)
return strprintf("%d", CBigNum(vch).getint());
else
return HexNumStr(vch.begin(), vch.end());
//return string("(") + HexStr(vch.begin(), vch.end()) + string(")");
return HexStr(vch);
}
inline string StackString(const vector<vector<unsigned char> >& vStack)
@@ -363,12 +352,12 @@ protected:
CBigNum bn(n);
*this << bn.getvch();
}
return (*this);
return *this;
}
CScript& push_uint64(uint64 n)
{
if (n == -1 || (n >= 1 && n <= 16))
if (n >= 1 && n <= 16)
{
push_back(n + (OP_1 - 1));
}
@@ -377,7 +366,7 @@ protected:
CBigNum bn(n);
*this << bn.getvch();
}
return (*this);
return *this;
}
public:
@@ -398,7 +387,7 @@ public:
{
CScript ret = a;
ret += b;
return (ret);
return ret;
}
@@ -419,50 +408,43 @@ public:
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<<(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 <= OP_SINGLEBYTE_END)
{
insert(end(), (unsigned char)opcode);
}
else
{
assert(opcode >= OP_DOUBLEBYTE_BEGIN);
insert(end(), (unsigned char)(opcode >> 8));
insert(end(), (unsigned char)(opcode & 0xFF));
}
return (*this);
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);
return *this;
}
CScript& operator<<(const uint256& b)
{
insert(end(), sizeof(b));
insert(end(), (unsigned char*)&b, (unsigned char*)&b + sizeof(b));
return (*this);
return *this;
}
CScript& operator<<(const CBigNum& b)
{
*this << b.getvch();
return (*this);
return *this;
}
CScript& operator<<(const vector<unsigned char>& b)
@@ -476,14 +458,20 @@ public:
insert(end(), OP_PUSHDATA1);
insert(end(), (unsigned char)b.size());
}
else
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);
return *this;
}
CScript& operator<<(const CScript& b)
@@ -491,7 +479,7 @@ public:
// 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);
return *this;
}
@@ -499,41 +487,59 @@ public:
{
// Wrapper so it can be called with either iterator or const_iterator
const_iterator pc2 = pc;
bool fRet = GetOp(pc2, opcodeRet, vchRet);
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;
vchRet.clear();
if (pvchRet)
pvchRet->clear();
if (pc >= end())
return false;
// Read instruction
if (end() - pc < 1)
return false;
unsigned int opcode = *pc++;
if (opcode >= OP_SINGLEBYTE_END)
{
if (pc + 1 > end())
return false;
opcode <<= 8;
opcode |= *pc++;
}
// Immediate operand
if (opcode <= OP_PUSHDATA4)
{
unsigned int nSize = opcode;
if (opcode == OP_PUSHDATA1)
unsigned int nSize;
if (opcode < OP_PUSHDATA1)
{
if (pc + 1 > end())
nSize = opcode;
}
else if (opcode == OP_PUSHDATA1)
{
if (end() - pc < 1)
return false;
nSize = *pc++;
}
else if (opcode == OP_PUSHDATA2)
{
if (pc + 2 > end())
if (end() - pc < 2)
return false;
nSize = 0;
memcpy(&nSize, &pc[0], 2);
@@ -541,14 +547,15 @@ public:
}
else if (opcode == OP_PUSHDATA4)
{
if (pc + 4 > end())
if (end() - pc < 4)
return false;
memcpy(&nSize, &pc[0], 4);
pc += 4;
}
if (pc + nSize > end())
if (end() - pc < nSize)
return false;
vchRet.assign(pc, pc + nSize);
if (pvchRet)
pvchRet->assign(pc, pc + nSize);
pc += nSize;
}
@@ -559,20 +566,34 @@ public:
void FindAndDelete(const CScript& b)
{
if (b.empty())
return;
iterator pc = begin();
opcodetype opcode;
vector<unsigned char> vchPushValue;
int count = 0;
do
{
while (end() - pc >= b.size() && memcmp(&pc[0], &b[0], b.size()) == 0)
{
erase(pc, pc + b.size());
count++;
}
}
while (GetOp(pc, opcode, vchPushValue));
//printf("FindAndDeleted deleted %d items\n", count); /// debug
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;
}
@@ -623,7 +644,7 @@ public:
void PrintHex() const
{
printf("CScript(%s)\n", HexStr(begin(), end()).c_str());
printf("CScript(%s)\n", HexStr(begin(), end(), true).c_str());
}
string ToString() const
@@ -631,12 +652,17 @@ public:
string str;
opcodetype opcode;
vector<unsigned char> vch;
const_iterator it = begin();
while (GetOp(it, opcode, vch))
const_iterator pc = begin();
while (pc < end())
{
if (!str.empty())
str += " ";
if (opcode <= OP_PUSHDATA4)
if (!GetOp(pc, opcode, vch))
{
str += "[error]";
return str;
}
if (0 <= opcode && opcode <= OP_PUSHDATA4)
str += ValueString(vch);
else
str += GetOpName(opcode);