133 lines
3.9 KiB
C++
133 lines
3.9 KiB
C++
// Copyright (c) 2009-2014 The Bitcoin developers
|
|
// Distributed under the MIT/X11 software license, see the accompanying
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#include "core_io.h"
|
|
|
|
#include "core/transaction.h"
|
|
#include "script/script.h"
|
|
#include "serialize.h"
|
|
#include "streams.h"
|
|
#include "univalue/univalue.h"
|
|
#include "util.h"
|
|
#include "utilstrencodings.h"
|
|
#include "version.h"
|
|
|
|
#include <boost/algorithm/string/classification.hpp>
|
|
#include <boost/algorithm/string/predicate.hpp>
|
|
#include <boost/algorithm/string/replace.hpp>
|
|
#include <boost/algorithm/string/split.hpp>
|
|
#include <boost/assign/list_of.hpp>
|
|
|
|
using namespace boost;
|
|
using namespace boost::algorithm;
|
|
using namespace std;
|
|
|
|
CScript ParseScript(std::string s)
|
|
{
|
|
CScript result;
|
|
|
|
static map<string, opcodetype> mapOpNames;
|
|
|
|
if (mapOpNames.empty())
|
|
{
|
|
for (int op = 0; op <= OP_NOP10; op++)
|
|
{
|
|
// Allow OP_RESERVED to get into mapOpNames
|
|
if (op < OP_NOP && op != OP_RESERVED)
|
|
continue;
|
|
|
|
const char* name = GetOpName((opcodetype)op);
|
|
if (strcmp(name, "OP_UNKNOWN") == 0)
|
|
continue;
|
|
string strName(name);
|
|
mapOpNames[strName] = (opcodetype)op;
|
|
// Convenience: OP_ADD and just ADD are both recognized:
|
|
replace_first(strName, "OP_", "");
|
|
mapOpNames[strName] = (opcodetype)op;
|
|
}
|
|
}
|
|
|
|
vector<string> words;
|
|
split(words, s, is_any_of(" \t\n"), token_compress_on);
|
|
|
|
for (std::vector<std::string>::const_iterator w = words.begin(); w != words.end(); ++w)
|
|
{
|
|
if (w->empty())
|
|
{
|
|
// Empty string, ignore. (boost::split given '' will return one word)
|
|
}
|
|
else if (all(*w, is_digit()) ||
|
|
(starts_with(*w, "-") && all(string(w->begin()+1, w->end()), is_digit())))
|
|
{
|
|
// Number
|
|
int64_t n = atoi64(*w);
|
|
result << n;
|
|
}
|
|
else if (starts_with(*w, "0x") && (w->begin()+2 != w->end()) && IsHex(string(w->begin()+2, w->end())))
|
|
{
|
|
// Raw hex data, inserted NOT pushed onto stack:
|
|
std::vector<unsigned char> raw = ParseHex(string(w->begin()+2, w->end()));
|
|
result.insert(result.end(), raw.begin(), raw.end());
|
|
}
|
|
else if (w->size() >= 2 && starts_with(*w, "'") && ends_with(*w, "'"))
|
|
{
|
|
// Single-quoted string, pushed as data. NOTE: this is poor-man's
|
|
// parsing, spaces/tabs/newlines in single-quoted strings won't work.
|
|
std::vector<unsigned char> value(w->begin()+1, w->end()-1);
|
|
result << value;
|
|
}
|
|
else if (mapOpNames.count(*w))
|
|
{
|
|
// opcode, e.g. OP_ADD or ADD:
|
|
result << mapOpNames[*w];
|
|
}
|
|
else
|
|
{
|
|
throw runtime_error("script parse error");
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
bool DecodeHexTx(CTransaction& tx, const std::string& strHexTx)
|
|
{
|
|
if (!IsHex(strHexTx))
|
|
return false;
|
|
|
|
vector<unsigned char> txData(ParseHex(strHexTx));
|
|
CDataStream ssData(txData, SER_NETWORK, PROTOCOL_VERSION);
|
|
try {
|
|
ssData >> tx;
|
|
}
|
|
catch (const std::exception &) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
uint256 ParseHashUV(const UniValue& v, const string& strName)
|
|
{
|
|
string strHex;
|
|
if (v.isStr())
|
|
strHex = v.getValStr();
|
|
if (!IsHex(strHex)) // Note: IsHex("") is false
|
|
throw runtime_error(strName+" must be hexadecimal string (not '"+strHex+"')");
|
|
|
|
uint256 result;
|
|
result.SetHex(strHex);
|
|
return result;
|
|
}
|
|
|
|
vector<unsigned char> ParseHexUV(const UniValue& v, const string& strName)
|
|
{
|
|
string strHex;
|
|
if (v.isStr())
|
|
strHex = v.getValStr();
|
|
if (!IsHex(strHex))
|
|
throw runtime_error(strName+" must be hexadecimal string (not '"+strHex+"')");
|
|
return ParseHex(strHex);
|
|
}
|