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GOSTCoin CUDA miner project, compatible with most nvidia cards, containing only gostd algo
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ccminer-gostd-lite/serialize.hpp

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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_SERIALIZE_H
#define BITCOIN_SERIALIZE_H
//#include "compat/endian.h"
#include <algorithm>
#include <assert.h>
#include <ios>
#include <limits>
#include <map>
#include <set>
#include <stdint.h>
#include <string>
#include <string.h>
#include <utility>
#include <vector>
class CScript;
static const unsigned int MAX_SIZE = 0x02000000;
/**
* Used to bypass the rule against non-const reference to temporary
* where it makes sense with wrappers such as CFlatData or CTxDB
*/
template<typename T>
inline T& REF(const T& val)
{
return const_cast<T&>(val);
}
/**
* Used to acquire a non-const pointer "this" to generate bodies
* of const serialization operations from a template
*/
template<typename T>
inline T* NCONST_PTR(const T* val)
{
return const_cast<T*>(val);
}
/**
* Get begin pointer of vector (non-const version).
* @note These functions avoid the undefined case of indexing into an empty
* vector, as well as that of indexing after the end of the vector.
*/
template <class T, class TAl>
inline T* begin_ptr(std::vector<T,TAl>& v)
{
return v.empty() ? NULL : &v[0];
}
/** Get begin pointer of vector (const version) */
template <class T, class TAl>
inline const T* begin_ptr(const std::vector<T,TAl>& v)
{
return v.empty() ? NULL : &v[0];
}
/** Get end pointer of vector (non-const version) */
template <class T, class TAl>
inline T* end_ptr(std::vector<T,TAl>& v)
{
return v.empty() ? NULL : (&v[0] + v.size());
}
/** Get end pointer of vector (const version) */
template <class T, class TAl>
inline const T* end_ptr(const std::vector<T,TAl>& v)
{
return v.empty() ? NULL : (&v[0] + v.size());
}
/*
* Lowest-level serialization and conversion.
* @note Sizes of these types are verified in the tests
*/
template<typename Stream> inline void ser_writedata8(Stream &s, uint8_t obj)
{
s.write((char*)&obj, 1);
}
template<typename Stream> inline void ser_writedata16(Stream &s, uint16_t obj)
{
obj = htole16(obj);
s.write((char*)&obj, 2);
}
template<typename Stream> inline void ser_writedata32(Stream &s, uint32_t obj)
{
obj = htole32(obj);
s.write((char*)&obj, 4);
}
template<typename Stream> inline void ser_writedata64(Stream &s, uint64_t obj)
{
obj = htole64(obj);
s.write((char*)&obj, 8);
}
template<typename Stream> inline uint8_t ser_readdata8(Stream &s)
{
uint8_t obj;
s.read((char*)&obj, 1);
return obj;
}
template<typename Stream> inline uint16_t ser_readdata16(Stream &s)
{
uint16_t obj;
s.read((char*)&obj, 2);
return le16toh(obj);
}
template<typename Stream> inline uint32_t ser_readdata32(Stream &s)
{
uint32_t obj;
s.read((char*)&obj, 4);
return le32toh(obj);
}
template<typename Stream> inline uint64_t ser_readdata64(Stream &s)
{
uint64_t obj;
s.read((char*)&obj, 8);
return le64toh(obj);
}
inline uint64_t ser_double_to_uint64(double x)
{
union { double x; uint64_t y; } tmp;
tmp.x = x;
return tmp.y;
}
inline uint32_t ser_float_to_uint32(float x)
{
union { float x; uint32_t y; } tmp;
tmp.x = x;
return tmp.y;
}
inline double ser_uint64_to_double(uint64_t y)
{
union { double x; uint64_t y; } tmp;
tmp.y = y;
return tmp.x;
}
inline float ser_uint32_to_float(uint32_t y)
{
union { float x; uint32_t y; } tmp;
tmp.y = y;
return tmp.x;
}
/////////////////////////////////////////////////////////////////
//
// Templates for serializing to anything that looks like a stream,
// i.e. anything that supports .read(char*, size_t) and .write(char*, size_t)
//
enum
{
// primary actions
SER_NETWORK = (1 << 0),
SER_DISK = (1 << 1),
SER_GETHASH = (1 << 2),
};
#define READWRITE(obj) (::SerReadWrite(s, (obj), nType, nVersion, ser_action))
/**
* Implement three methods for serializable objects. These are actually wrappers over
* "SerializationOp" template, which implements the body of each class' serialization
* code. Adding "ADD_SERIALIZE_METHODS" in the body of the class causes these wrappers to be
* added as members.
*/
#define ADD_SERIALIZE_METHODS \
size_t GetSerializeSize(int nType, int nVersion) const { \
CSizeComputer s(nType, nVersion); \
NCONST_PTR(this)->SerializationOp(s, CSerActionSerialize(), nType, nVersion);\
return s.size(); \
} \
template<typename Stream> \
void Serialize(Stream& s, int nType, int nVersion) const { \
NCONST_PTR(this)->SerializationOp(s, CSerActionSerialize(), nType, nVersion);\
} \
template<typename Stream> \
void Unserialize(Stream& s, int nType, int nVersion) { \
SerializationOp(s, CSerActionUnserialize(), nType, nVersion); \
}
/*
* Basic Types
*/
inline unsigned int GetSerializeSize(char a, int, int=0) { return 1; }
inline unsigned int GetSerializeSize(int8_t a, int, int=0) { return 1; }
inline unsigned int GetSerializeSize(uint8_t a, int, int=0) { return 1; }
inline unsigned int GetSerializeSize(int16_t a, int, int=0) { return 2; }
inline unsigned int GetSerializeSize(uint16_t a, int, int=0) { return 2; }
inline unsigned int GetSerializeSize(int32_t a, int, int=0) { return 4; }
inline unsigned int GetSerializeSize(uint32_t a, int, int=0) { return 4; }
inline unsigned int GetSerializeSize(int64_t a, int, int=0) { return 8; }
inline unsigned int GetSerializeSize(uint64_t a, int, int=0) { return 8; }
inline unsigned int GetSerializeSize(float a, int, int=0) { return 4; }
inline unsigned int GetSerializeSize(double a, int, int=0) { return 8; }
template<typename Stream> inline void Serialize(Stream& s, char a, int, int=0) { ser_writedata8(s, a); } // TODO Get rid of bare char
template<typename Stream> inline void Serialize(Stream& s, int8_t a, int, int=0) { ser_writedata8(s, a); }
template<typename Stream> inline void Serialize(Stream& s, uint8_t a, int, int=0) { ser_writedata8(s, a); }
template<typename Stream> inline void Serialize(Stream& s, int16_t a, int, int=0) { ser_writedata16(s, a); }
template<typename Stream> inline void Serialize(Stream& s, uint16_t a, int, int=0) { ser_writedata16(s, a); }
template<typename Stream> inline void Serialize(Stream& s, int32_t a, int, int=0) { ser_writedata32(s, a); }
template<typename Stream> inline void Serialize(Stream& s, uint32_t a, int, int=0) { ser_writedata32(s, a); }
template<typename Stream> inline void Serialize(Stream& s, int64_t a, int, int=0) { ser_writedata64(s, a); }
template<typename Stream> inline void Serialize(Stream& s, uint64_t a, int, int=0) { ser_writedata64(s, a); }
template<typename Stream> inline void Serialize(Stream& s, float a, int, int=0) { ser_writedata32(s, ser_float_to_uint32(a)); }
template<typename Stream> inline void Serialize(Stream& s, double a, int, int=0) { ser_writedata64(s, ser_double_to_uint64(a)); }
template<typename Stream> inline void Unserialize(Stream& s, char& a, int, int=0) { a = ser_readdata8(s); } // TODO Get rid of bare char
template<typename Stream> inline void Unserialize(Stream& s, int8_t& a, int, int=0) { a = ser_readdata8(s); }
template<typename Stream> inline void Unserialize(Stream& s, uint8_t& a, int, int=0) { a = ser_readdata8(s); }
template<typename Stream> inline void Unserialize(Stream& s, int16_t& a, int, int=0) { a = ser_readdata16(s); }
template<typename Stream> inline void Unserialize(Stream& s, uint16_t& a, int, int=0) { a = ser_readdata16(s); }
template<typename Stream> inline void Unserialize(Stream& s, int32_t& a, int, int=0) { a = ser_readdata32(s); }
template<typename Stream> inline void Unserialize(Stream& s, uint32_t& a, int, int=0) { a = ser_readdata32(s); }
template<typename Stream> inline void Unserialize(Stream& s, int64_t& a, int, int=0) { a = ser_readdata64(s); }
template<typename Stream> inline void Unserialize(Stream& s, uint64_t& a, int, int=0) { a = ser_readdata64(s); }
template<typename Stream> inline void Unserialize(Stream& s, float& a, int, int=0) { a = ser_uint32_to_float(ser_readdata32(s)); }
template<typename Stream> inline void Unserialize(Stream& s, double& a, int, int=0) { a = ser_uint64_to_double(ser_readdata64(s)); }
inline unsigned int GetSerializeSize(bool a, int, int=0) { return sizeof(char); }
template<typename Stream> inline void Serialize(Stream& s, bool a, int, int=0) { char f=a; ser_writedata8(s, f); }
template<typename Stream> inline void Unserialize(Stream& s, bool& a, int, int=0) { char f=ser_readdata8(s); a=f; }
/**
* Compact Size
* size < 253 -- 1 byte
* size <= USHRT_MAX -- 3 bytes (253 + 2 bytes)
* size <= UINT_MAX -- 5 bytes (254 + 4 bytes)
* size > UINT_MAX -- 9 bytes (255 + 8 bytes)
*/
inline unsigned int GetSizeOfCompactSize(uint64_t nSize)
{
if (nSize < 253) return sizeof(unsigned char);
else if (nSize <= std::numeric_limits<unsigned short>::max()) return sizeof(unsigned char) + sizeof(unsigned short);
else if (nSize <= std::numeric_limits<unsigned int>::max()) return sizeof(unsigned char) + sizeof(unsigned int);
else return sizeof(unsigned char) + sizeof(uint64_t);
}
template<typename Stream>
void WriteCompactSize(Stream& os, uint64_t nSize)
{
if (nSize < 253)
{
ser_writedata8(os, nSize);
}
else if (nSize <= std::numeric_limits<unsigned short>::max())
{
ser_writedata8(os, 253);
ser_writedata16(os, nSize);
}
else if (nSize <= std::numeric_limits<unsigned int>::max())
{
ser_writedata8(os, 254);
ser_writedata32(os, nSize);
}
else
{
ser_writedata8(os, 255);
ser_writedata64(os, nSize);
}
return;
}
template<typename Stream>
uint64_t ReadCompactSize(Stream& is)
{
uint8_t chSize = ser_readdata8(is);
uint64_t nSizeRet = 0;
if (chSize < 253)
{
nSizeRet = chSize;
}
else if (chSize == 253)
{
nSizeRet = ser_readdata16(is);
if (nSizeRet < 253)
throw std::ios_base::failure("non-canonical ReadCompactSize()");
}
else if (chSize == 254)
{
nSizeRet = ser_readdata32(is);
if (nSizeRet < 0x10000u)
throw std::ios_base::failure("non-canonical ReadCompactSize()");
}
else
{
nSizeRet = ser_readdata64(is);
if (nSizeRet < 0x100000000ULL)
throw std::ios_base::failure("non-canonical ReadCompactSize()");
}
if (nSizeRet > (uint64_t)MAX_SIZE)
throw std::ios_base::failure("ReadCompactSize(): size too large");
return nSizeRet;
}
/**
* Variable-length integers: bytes are a MSB base-128 encoding of the number.
* The high bit in each byte signifies whether another digit follows. To make
* sure the encoding is one-to-one, one is subtracted from all but the last digit.
* Thus, the byte sequence a[] with length len, where all but the last byte
* has bit 128 set, encodes the number:
*
* (a[len-1] & 0x7F) + sum(i=1..len-1, 128^i*((a[len-i-1] & 0x7F)+1))
*
* Properties:
* * Very small (0-127: 1 byte, 128-16511: 2 bytes, 16512-2113663: 3 bytes)
* * Every integer has exactly one encoding
* * Encoding does not depend on size of original integer type
* * No redundancy: every (infinite) byte sequence corresponds to a list
* of encoded integers.
*
* 0: [0x00] 256: [0x81 0x00]
* 1: [0x01] 16383: [0xFE 0x7F]
* 127: [0x7F] 16384: [0xFF 0x00]
* 128: [0x80 0x00] 16511: [0x80 0xFF 0x7F]
* 255: [0x80 0x7F] 65535: [0x82 0xFD 0x7F]
* 2^32: [0x8E 0xFE 0xFE 0xFF 0x00]
*/
template<typename I>
inline unsigned int GetSizeOfVarInt(I n)
{
int nRet = 0;
while(true) {
nRet++;
if (n <= 0x7F)
break;
n = (n >> 7) - 1;
}
return nRet;
}
template<typename Stream, typename I>
void WriteVarInt(Stream& os, I n)
{
unsigned char tmp[(sizeof(n)*8+6)/7];
int len=0;
while(true) {
tmp[len] = (n & 0x7F) | (len ? 0x80 : 0x00);
if (n <= 0x7F)
break;
n = (n >> 7) - 1;
len++;
}
do {
ser_writedata8(os, tmp[len]);
} while(len--);
}
template<typename Stream, typename I>
I ReadVarInt(Stream& is)
{
I n = 0;
while(true) {
unsigned char chData = ser_readdata8(is);
n = (n << 7) | (chData & 0x7F);
if (chData & 0x80)
n++;
else
return n;
}
}
#define FLATDATA(obj) REF(CFlatData((char*)&(obj), (char*)&(obj) + sizeof(obj)))
#define VARINT(obj) REF(WrapVarInt(REF(obj)))
#define LIMITED_STRING(obj,n) REF(LimitedString< n >(REF(obj)))
/**
* Wrapper for serializing arrays and POD.
*/
class CFlatData
{
protected:
char* pbegin;
char* pend;
public:
CFlatData(void* pbeginIn, void* pendIn) : pbegin((char*)pbeginIn), pend((char*)pendIn) { }
template <class T, class TAl>
explicit CFlatData(std::vector<T,TAl> &v)
{
pbegin = (char*)begin_ptr(v);
pend = (char*)end_ptr(v);
}
char* begin() { return pbegin; }
const char* begin() const { return pbegin; }
char* end() { return pend; }
const char* end() const { return pend; }
unsigned int GetSerializeSize(int, int=0) const
{
return (unsigned int) (pend - pbegin);
}
template<typename Stream>
void Serialize(Stream& s, int, int=0) const
{
s.write(pbegin, pend - pbegin);
}
template<typename Stream>
void Unserialize(Stream& s, int, int=0)
{
s.read(pbegin, pend - pbegin);
}
};
template<typename I>
class CVarInt
{
protected:
I &n;
public:
CVarInt(I& nIn) : n(nIn) { }
unsigned int GetSerializeSize(int, int) const {
return GetSizeOfVarInt<I>(n);
}
template<typename Stream>
void Serialize(Stream &s, int, int) const {
WriteVarInt<Stream,I>(s, n);
}
template<typename Stream>
void Unserialize(Stream& s, int, int) {
n = ReadVarInt<Stream,I>(s);
}
};
template<size_t Limit>
class LimitedString
{
protected:
std::string& string;
public:
LimitedString(std::string& string) : string(string) {}
template<typename Stream>
void Unserialize(Stream& s, int, int=0)
{
size_t size = ReadCompactSize(s);
if (size > Limit) {
throw std::ios_base::failure("String length limit exceeded");
}
string.resize(size);
if (size != 0)
s.read((char*)&string[0], size);
}
template<typename Stream>
void Serialize(Stream& s, int, int=0) const
{
WriteCompactSize(s, string.size());
if (!string.empty())
s.write((char*)&string[0], string.size());
}
unsigned int GetSerializeSize(int, int=0) const
{
return GetSizeOfCompactSize(string.size()) + string.size();
}
};
template<typename I>
CVarInt<I> WrapVarInt(I& n) { return CVarInt<I>(n); }
/**
* Forward declarations
*/
/**
* string
*/
template<typename C> unsigned int GetSerializeSize(const std::basic_string<C>& str, int, int=0);
template<typename Stream, typename C> void Serialize(Stream& os, const std::basic_string<C>& str, int, int=0);
template<typename Stream, typename C> void Unserialize(Stream& is, std::basic_string<C>& str, int, int=0);
/**
* vector
* vectors of unsigned char are a special case and are intended to be serialized as a single opaque blob.
*/
template<typename T, typename A> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const unsigned char&);
template<typename T, typename A, typename V> unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const V&);
template<typename T, typename A> inline unsigned int GetSerializeSize(const std::vector<T, A>& v, int nType, int nVersion);
template<typename Stream, typename T, typename A> void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const unsigned char&);
template<typename Stream, typename T, typename A, typename V> void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const V&);
template<typename Stream, typename T, typename A> inline void Serialize(Stream& os, const std::vector<T, A>& v, int nType, int nVersion);
template<typename Stream, typename T, typename A> void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const unsigned char&);
template<typename Stream, typename T, typename A, typename V> void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const V&);
template<typename Stream, typename T, typename A> inline void Unserialize(Stream& is, std::vector<T, A>& v, int nType, int nVersion);
/**
* others derived from vector
*/
extern inline unsigned int GetSerializeSize(const CScript& v, int nType, int nVersion);
template<typename Stream> void Serialize(Stream& os, const CScript& v, int nType, int nVersion);
template<typename Stream> void Unserialize(Stream& is, CScript& v, int nType, int nVersion);
/**
* pair
*/
template<typename K, typename T> unsigned int GetSerializeSize(const std::pair<K, T>& item, int nType, int nVersion);
template<typename Stream, typename K, typename T> void Serialize(Stream& os, const std::pair<K, T>& item, int nType, int nVersion);
template<typename Stream, typename K, typename T> void Unserialize(Stream& is, std::pair<K, T>& item, int nType, int nVersion);
/**
* map
*/
template<typename K, typename T, typename Pred, typename A> unsigned int GetSerializeSize(const std::map<K, T, Pred, A>& m, int nType, int nVersion);
template<typename Stream, typename K, typename T, typename Pred, typename A> void Serialize(Stream& os, const std::map<K, T, Pred, A>& m, int nType, int nVersion);
template<typename Stream, typename K, typename T, typename Pred, typename A> void Unserialize(Stream& is, std::map<K, T, Pred, A>& m, int nType, int nVersion);
/**
* set
*/
template<typename K, typename Pred, typename A> unsigned int GetSerializeSize(const std::set<K, Pred, A>& m, int nType, int nVersion);
template<typename Stream, typename K, typename Pred, typename A> void Serialize(Stream& os, const std::set<K, Pred, A>& m, int nType, int nVersion);
template<typename Stream, typename K, typename Pred, typename A> void Unserialize(Stream& is, std::set<K, Pred, A>& m, int nType, int nVersion);
/**
* If none of the specialized versions above matched, default to calling member function.
* "int nType" is changed to "long nType" to keep from getting an ambiguous overload error.
* The compiler will only cast int to long if none of the other templates matched.
* Thanks to Boost serialization for this idea.
*/
template<typename T>
inline unsigned int GetSerializeSize(const T& a, long nType, int nVersion)
{
return a.GetSerializeSize((int)nType, nVersion);
}
template<typename Stream, typename T>
inline void Serialize(Stream& os, const T& a, long nType, int nVersion)
{
a.Serialize(os, (int)nType, nVersion);
}
template<typename Stream, typename T>
inline void Unserialize(Stream& is, T& a, long nType, int nVersion)
{
a.Unserialize(is, (int)nType, nVersion);
}
/**
* string
*/
template<typename C>
unsigned int GetSerializeSize(const std::basic_string<C>& str, int, int)
{
return GetSizeOfCompactSize(str.size()) + str.size() * sizeof(str[0]);
}
template<typename Stream, typename C>
void Serialize(Stream& os, const std::basic_string<C>& str, int, int)
{
WriteCompactSize(os, str.size());
if (!str.empty())
os.write((char*)&str[0], str.size() * sizeof(str[0]));
}
template<typename Stream, typename C>
void Unserialize(Stream& is, std::basic_string<C>& str, int, int)
{
unsigned int nSize = ReadCompactSize(is);
str.resize(nSize);
if (nSize != 0)
is.read((char*)&str[0], nSize * sizeof(str[0]));
}
/**
* vector
*/
template<typename T, typename A>
unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const unsigned char&)
{
size_t sz = v.size() + v.size() * sizeof(T);
return (GetSizeOfCompactSize((uint64_t)sz));
}
template<typename T, typename A, typename V>
unsigned int GetSerializeSize_impl(const std::vector<T, A>& v, int nType, int nVersion, const V&)
{
unsigned int nSize = GetSizeOfCompactSize(v.size());
for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
nSize += GetSerializeSize((*vi), nType, nVersion);
return nSize;
}
template<typename T, typename A>
inline unsigned int GetSerializeSize(const std::vector<T, A>& v, int nType, int nVersion)
{
return GetSerializeSize_impl(v, nType, nVersion, T());
}
template<typename Stream, typename T, typename A>
void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const unsigned char&)
{
WriteCompactSize(os, v.size());
if (!v.empty())
os.write((char*)&v[0], v.size() * sizeof(T));
}
template<typename Stream, typename T, typename A, typename V>
void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVersion, const V&)
{
WriteCompactSize(os, v.size());
for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
::Serialize(os, (*vi), nType, nVersion);
}
template<typename Stream, typename T, typename A>
inline void Serialize(Stream& os, const std::vector<T, A>& v, int nType, int nVersion)
{
Serialize_impl(os, v, nType, nVersion, T());
}
template<typename Stream, typename T, typename A>
void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const unsigned char&)
{
// Limit size per read so bogus size value won't cause out of memory
v.clear();
unsigned int nSize = ReadCompactSize(is);
unsigned int i = 0;
while (i < nSize)
{
unsigned int blk = std::min(nSize - i, (unsigned int)(1 + 4999999 / sizeof(T)));
v.resize(i + blk);
is.read((char*)&v[i], blk * sizeof(T));
i += blk;
}
}
template<typename Stream, typename T, typename A, typename V>
void Unserialize_impl(Stream& is, std::vector<T, A>& v, int nType, int nVersion, const V&)
{
v.clear();
unsigned int nSize = ReadCompactSize(is);
unsigned int i = 0;
unsigned int nMid = 0;
while (nMid < nSize)
{
nMid += 5000000 / sizeof(T);
if (nMid > nSize)
nMid = nSize;
v.resize(nMid);
for (; i < nMid; i++)
Unserialize(is, v[i], nType, nVersion);
}
}
template<typename Stream, typename T, typename A>
inline void Unserialize(Stream& is, std::vector<T, A>& v, int nType, int nVersion)
{
Unserialize_impl(is, v, nType, nVersion, T());
}
/**
* others derived from vector
*/
inline unsigned int GetSerializeSize(const CScript& v, int nType, int nVersion)
{
return GetSerializeSize((const std::vector<unsigned char>&)v, nType, nVersion);
}
template<typename Stream>
void Serialize(Stream& os, const CScript& v, int nType, int nVersion)
{
Serialize(os, (const std::vector<unsigned char>&)v, nType, nVersion);
}
template<typename Stream>
void Unserialize(Stream& is, CScript& v, int nType, int nVersion)
{
Unserialize(is, (std::vector<unsigned char>&)v, nType, nVersion);
}
/**
* pair
*/
template<typename K, typename T>
unsigned int GetSerializeSize(const std::pair<K, T>& item, int nType, int nVersion)
{
return GetSerializeSize(item.first, nType, nVersion) + GetSerializeSize(item.second, nType, nVersion);
}
template<typename Stream, typename K, typename T>
void Serialize(Stream& os, const std::pair<K, T>& item, int nType, int nVersion)
{
Serialize(os, item.first, nType, nVersion);
Serialize(os, item.second, nType, nVersion);
}
template<typename Stream, typename K, typename T>
void Unserialize(Stream& is, std::pair<K, T>& item, int nType, int nVersion)
{
Unserialize(is, item.first, nType, nVersion);
Unserialize(is, item.second, nType, nVersion);
}
/**
* map
*/
template<typename K, typename T, typename Pred, typename A>
unsigned int GetSerializeSize(const std::map<K, T, Pred, A>& m, int nType, int nVersion)
{
unsigned int nSize = GetSizeOfCompactSize(m.size());
for (typename std::map<K, T, Pred, A>::const_iterator mi = m.begin(); mi != m.end(); ++mi)
nSize += GetSerializeSize((*mi), nType, nVersion);
return nSize;
}
template<typename Stream, typename K, typename T, typename Pred, typename A>
void Serialize(Stream& os, const std::map<K, T, Pred, A>& m, int nType, int nVersion)
{
WriteCompactSize(os, m.size());
for (typename std::map<K, T, Pred, A>::const_iterator mi = m.begin(); mi != m.end(); ++mi)
Serialize(os, (*mi), nType, nVersion);
}
template<typename Stream, typename K, typename T, typename Pred, typename A>
void Unserialize(Stream& is, std::map<K, T, Pred, A>& m, int nType, int nVersion)
{
m.clear();
unsigned int nSize = ReadCompactSize(is);
typename std::map<K, T, Pred, A>::iterator mi = m.begin();
for (unsigned int i = 0; i < nSize; i++)
{
std::pair<K, T> item;
Unserialize(is, item, nType, nVersion);
mi = m.insert(mi, item);
}
}
/**
* set
*/
template<typename K, typename Pred, typename A>
unsigned int GetSerializeSize(const std::set<K, Pred, A>& m, int nType, int nVersion)
{
unsigned int nSize = GetSizeOfCompactSize(m.size());
for (typename std::set<K, Pred, A>::const_iterator it = m.begin(); it != m.end(); ++it)
nSize += GetSerializeSize((*it), nType, nVersion);
return nSize;
}
template<typename Stream, typename K, typename Pred, typename A>
void Serialize(Stream& os, const std::set<K, Pred, A>& m, int nType, int nVersion)
{
WriteCompactSize(os, m.size());
for (typename std::set<K, Pred, A>::const_iterator it = m.begin(); it != m.end(); ++it)
Serialize(os, (*it), nType, nVersion);
}
template<typename Stream, typename K, typename Pred, typename A>
void Unserialize(Stream& is, std::set<K, Pred, A>& m, int nType, int nVersion)
{
m.clear();
unsigned int nSize = ReadCompactSize(is);
typename std::set<K, Pred, A>::iterator it = m.begin();
for (unsigned int i = 0; i < nSize; i++)
{
K key;
Unserialize(is, key, nType, nVersion);
it = m.insert(it, key);
}
}
/**
* Support for ADD_SERIALIZE_METHODS and READWRITE macro
*/
struct CSerActionSerialize
{
bool ForRead() const { return false; }
};
struct CSerActionUnserialize
{
bool ForRead() const { return true; }
};
template<typename Stream, typename T>
inline void SerReadWrite(Stream& s, const T& obj, int nType, int nVersion, CSerActionSerialize ser_action)
{
::Serialize(s, obj, nType, nVersion);
}
template<typename Stream, typename T>
inline void SerReadWrite(Stream& s, T& obj, int nType, int nVersion, CSerActionUnserialize ser_action)
{
::Unserialize(s, obj, nType, nVersion);
}
class CSizeComputer
{
protected:
size_t nSize;
public:
int nType;
int nVersion;
CSizeComputer(int nTypeIn, int nVersionIn) : nSize(0), nType(nTypeIn), nVersion(nVersionIn) {}
CSizeComputer& write(const char *psz, size_t nSize)
{
this->nSize += nSize;
return *this;
}
template<typename T>
CSizeComputer& operator<<(const T& obj)
{
::Serialize(*this, obj, nType, nVersion);
return (*this);
}
size_t size() const {
return nSize;
}
};
#endif // BITCOIN_SERIALIZE_H