MOVEONLY: separate CTxUndo out of core

This commit is contained in:
jtimon 2014-10-18 19:53:37 +02:00
parent 4a3587d8db
commit 999a2ab41e
5 changed files with 74 additions and 60 deletions

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@ -119,6 +119,7 @@ BITCOIN_CORE_H = \
txmempool.h \ txmempool.h \
ui_interface.h \ ui_interface.h \
uint256.h \ uint256.h \
undo.h \
util.h \ util.h \
utilstrencodings.h \ utilstrencodings.h \
utilmoneystr.h \ utilmoneystr.h \

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@ -10,6 +10,7 @@
#include "core/transaction.h" #include "core/transaction.h"
#include "serialize.h" #include "serialize.h"
#include "uint256.h" #include "uint256.h"
#include "undo.h"
#include <assert.h> #include <assert.h>
#include <stdint.h> #include <stdint.h>

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@ -40,65 +40,6 @@ public:
} }
}; };
/** Undo information for a CTxIn
*
* Contains the prevout's CTxOut being spent, and if this was the
* last output of the affected transaction, its metadata as well
* (coinbase or not, height, transaction version)
*/
class CTxInUndo
{
public:
CTxOut txout; // the txout data before being spent
bool fCoinBase; // if the outpoint was the last unspent: whether it belonged to a coinbase
unsigned int nHeight; // if the outpoint was the last unspent: its height
int nVersion; // if the outpoint was the last unspent: its version
CTxInUndo() : txout(), fCoinBase(false), nHeight(0), nVersion(0) {}
CTxInUndo(const CTxOut &txoutIn, bool fCoinBaseIn = false, unsigned int nHeightIn = 0, int nVersionIn = 0) : txout(txoutIn), fCoinBase(fCoinBaseIn), nHeight(nHeightIn), nVersion(nVersionIn) { }
unsigned int GetSerializeSize(int nType, int nVersion) const {
return ::GetSerializeSize(VARINT(nHeight*2+(fCoinBase ? 1 : 0)), nType, nVersion) +
(nHeight > 0 ? ::GetSerializeSize(VARINT(this->nVersion), nType, nVersion) : 0) +
::GetSerializeSize(CTxOutCompressor(REF(txout)), nType, nVersion);
}
template<typename Stream>
void Serialize(Stream &s, int nType, int nVersion) const {
::Serialize(s, VARINT(nHeight*2+(fCoinBase ? 1 : 0)), nType, nVersion);
if (nHeight > 0)
::Serialize(s, VARINT(this->nVersion), nType, nVersion);
::Serialize(s, CTxOutCompressor(REF(txout)), nType, nVersion);
}
template<typename Stream>
void Unserialize(Stream &s, int nType, int nVersion) {
unsigned int nCode = 0;
::Unserialize(s, VARINT(nCode), nType, nVersion);
nHeight = nCode / 2;
fCoinBase = nCode & 1;
if (nHeight > 0)
::Unserialize(s, VARINT(this->nVersion), nType, nVersion);
::Unserialize(s, REF(CTxOutCompressor(REF(txout))), nType, nVersion);
}
};
/** Undo information for a CTransaction */
class CTxUndo
{
public:
// undo information for all txins
std::vector<CTxInUndo> vprevout;
ADD_SERIALIZE_METHODS;
template <typename Stream, typename Operation>
inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
READWRITE(vprevout);
}
};
/** Nodes collect new transactions into a block, hash them into a hash tree, /** Nodes collect new transactions into a block, hash them into a hash tree,
* and scan through nonce values to make the block's hash satisfy proof-of-work * and scan through nonce values to make the block's hash satisfy proof-of-work
* requirements. When they solve the proof-of-work, they broadcast the block * requirements. When they solve the proof-of-work, they broadcast the block

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@ -25,6 +25,7 @@
#include "tinyformat.h" #include "tinyformat.h"
#include "txmempool.h" #include "txmempool.h"
#include "uint256.h" #include "uint256.h"
#include "undo.h"
#include <algorithm> #include <algorithm>
#include <exception> #include <exception>
@ -129,7 +130,6 @@ static const uint64_t nMinDiskSpace = 52428800;
class CBlockTreeDB; class CBlockTreeDB;
class CTxUndo;
class CScriptCheck; class CScriptCheck;
class CValidationState; class CValidationState;
class CValidationInterface; class CValidationInterface;

71
src/undo.h Normal file
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@ -0,0 +1,71 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2013 The Bitcoin developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef H_BITCOIN_TXUNDO
#define H_BITCOIN_TXUNDO
#include "core.h" // Only for CTxOutCompressor
#include "core/transaction.h"
#include "serialize.h"
/** Undo information for a CTxIn
*
* Contains the prevout's CTxOut being spent, and if this was the
* last output of the affected transaction, its metadata as well
* (coinbase or not, height, transaction version)
*/
class CTxInUndo
{
public:
CTxOut txout; // the txout data before being spent
bool fCoinBase; // if the outpoint was the last unspent: whether it belonged to a coinbase
unsigned int nHeight; // if the outpoint was the last unspent: its height
int nVersion; // if the outpoint was the last unspent: its version
CTxInUndo() : txout(), fCoinBase(false), nHeight(0), nVersion(0) {}
CTxInUndo(const CTxOut &txoutIn, bool fCoinBaseIn = false, unsigned int nHeightIn = 0, int nVersionIn = 0) : txout(txoutIn), fCoinBase(fCoinBaseIn), nHeight(nHeightIn), nVersion(nVersionIn) { }
unsigned int GetSerializeSize(int nType, int nVersion) const {
return ::GetSerializeSize(VARINT(nHeight*2+(fCoinBase ? 1 : 0)), nType, nVersion) +
(nHeight > 0 ? ::GetSerializeSize(VARINT(this->nVersion), nType, nVersion) : 0) +
::GetSerializeSize(CTxOutCompressor(REF(txout)), nType, nVersion);
}
template<typename Stream>
void Serialize(Stream &s, int nType, int nVersion) const {
::Serialize(s, VARINT(nHeight*2+(fCoinBase ? 1 : 0)), nType, nVersion);
if (nHeight > 0)
::Serialize(s, VARINT(this->nVersion), nType, nVersion);
::Serialize(s, CTxOutCompressor(REF(txout)), nType, nVersion);
}
template<typename Stream>
void Unserialize(Stream &s, int nType, int nVersion) {
unsigned int nCode = 0;
::Unserialize(s, VARINT(nCode), nType, nVersion);
nHeight = nCode / 2;
fCoinBase = nCode & 1;
if (nHeight > 0)
::Unserialize(s, VARINT(this->nVersion), nType, nVersion);
::Unserialize(s, REF(CTxOutCompressor(REF(txout))), nType, nVersion);
}
};
/** Undo information for a CTransaction */
class CTxUndo
{
public:
// undo information for all txins
std::vector<CTxInUndo> vprevout;
ADD_SERIALIZE_METHODS;
template <typename Stream, typename Operation>
inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
READWRITE(vprevout);
}
};
#endif // H_BITCOIN_TXUNDO