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+++ b/src/serialize.h
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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 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&)
+{
+ return (GetSizeOfCompactSize(v.size()) + v.size() * sizeof(T));
+}
+
+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
generated by cgit v1.2.3 (git 2.26.2) at 2024-08-23 05:50:02 +0000