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overhaul serialization code

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The implementation of each class' serialization/deserialization is no longer
passed within a macro. The implementation now lies within a template of form:

template <typename T, typename Stream, typename Operation>
inline static size_t SerializationOp(T thisPtr, Stream& s, Operation ser_action, int nType, int nVersion) {
    size_t nSerSize = 0;
    /* CODE */
    return nSerSize;
}

In cases when codepath should depend on whether or not we are just deserializing
(old fGetSize, fWrite, fRead flags) an additional clause can be used:
bool fRead = boost::is_same<Operation, CSerActionUnserialize>();

The IMPLEMENT_SERIALIZE macro will now be a freestanding clause added within
class' body (similiar to Qt's Q_OBJECT) to implement GetSerializeSize,
Serialize and Unserialize. These are now wrappers around
the "SerializationOp" template.
This commit is contained in:
Kamil Domanski
2014-08-20 08:42:31 +02:00
parent 9f3d476779
commit 3d796f8996
13 changed files with 462 additions and 273 deletions
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168
src/core.h
View File

@@ -30,7 +30,16 @@ public:
COutPoint() { SetNull(); }
COutPoint(uint256 hashIn, uint32_t nIn) { hash = hashIn; n = nIn; }
IMPLEMENT_SERIALIZE( READWRITE(FLATDATA(*this)); )
IMPLEMENT_SERIALIZE
template <typename T, typename Stream, typename Operation>
inline static size_t SerializationOp(T thisPtr, Stream& s, Operation ser_action, int nType, int nVersion) {
size_t nSerSize = 0;
READWRITE(FLATDATA(*thisPtr));
return nSerSize;
}
void SetNull() { hash = 0; n = (uint32_t) -1; }
bool IsNull() const { return (hash == 0 && n == (uint32_t) -1); }
@@ -85,11 +94,15 @@ public:
CTxIn(uint256 hashPrevTx, uint32_t nOut, CScript scriptSigIn=CScript(), uint32_t nSequenceIn=std::numeric_limits<uint32_t>::max());
IMPLEMENT_SERIALIZE
(
READWRITE(prevout);
READWRITE(scriptSig);
READWRITE(nSequence);
)
template <typename T, typename Stream, typename Operation>
inline static size_t SerializationOp(T thisPtr, Stream& s, Operation ser_action, int nType, int nVersion) {
size_t nSerSize = 0;
READWRITE(thisPtr->prevout);
READWRITE(thisPtr->scriptSig);
READWRITE(thisPtr->nSequence);
return nSerSize;
}
bool IsFinal() const
{
@@ -136,7 +149,14 @@ public:
friend bool operator>=(const CFeeRate& a, const CFeeRate& b) { return a.nSatoshisPerK >= b.nSatoshisPerK; }
std::string ToString() const;
IMPLEMENT_SERIALIZE( READWRITE(nSatoshisPerK); )
IMPLEMENT_SERIALIZE
template <typename T, typename Stream, typename Operation>
inline static size_t SerializationOp(T thisPtr, Stream& s, Operation ser_action, int nType, int nVersion) {
size_t nSerSize = 0;
READWRITE(thisPtr->nSatoshisPerK);
return nSerSize;
}
};
@@ -157,10 +177,14 @@ public:
CTxOut(int64_t nValueIn, CScript scriptPubKeyIn);
IMPLEMENT_SERIALIZE
(
READWRITE(nValue);
READWRITE(scriptPubKey);
)
template <typename T, typename Stream, typename Operation>
inline static size_t SerializationOp(T thisPtr, Stream& s, Operation ser_action, int nType, int nVersion) {
size_t nSerSize = 0;
READWRITE(thisPtr->nValue);
READWRITE(thisPtr->scriptPubKey);
return nSerSize;
}
void SetNull()
{
@@ -237,15 +261,23 @@ public:
CTransaction& operator=(const CTransaction& tx);
IMPLEMENT_SERIALIZE(
READWRITE(*const_cast<int32_t*>(&this->nVersion));
nVersion = this->nVersion;
READWRITE(*const_cast<std::vector<CTxIn>*>(&vin));
READWRITE(*const_cast<std::vector<CTxOut>*>(&vout));
READWRITE(*const_cast<uint32_t*>(&nLockTime));
IMPLEMENT_SERIALIZE
template <typename T, typename Stream, typename Operation>
inline static size_t SerializationOp(T thisPtr, Stream& s, Operation ser_action, int nType, int nVersion) {
size_t nSerSize = 0;
bool fRead = boost::is_same<Operation, CSerActionUnserialize>();
READWRITE(*const_cast<int32_t*>(&thisPtr->nVersion));
nVersion = thisPtr->nVersion;
READWRITE(*const_cast<std::vector<CTxIn>*>(&thisPtr->vin));
READWRITE(*const_cast<std::vector<CTxOut>*>(&thisPtr->vout));
READWRITE(*const_cast<uint32_t*>(&thisPtr->nLockTime));
if (fRead)
UpdateHash();
)
thisPtr->UpdateHash();
return nSerSize;
}
bool IsNull() const {
return vin.empty() && vout.empty();
@@ -292,13 +324,20 @@ struct CMutableTransaction
CMutableTransaction();
CMutableTransaction(const CTransaction& tx);
IMPLEMENT_SERIALIZE(
READWRITE(this->nVersion);
nVersion = this->nVersion;
READWRITE(vin);
READWRITE(vout);
READWRITE(nLockTime);
)
IMPLEMENT_SERIALIZE
template <typename T, typename Stream, typename Operation>
inline static size_t SerializationOp(T thisPtr, Stream& s, Operation ser_action, int nType, int nVersion) {
size_t nSerSize = 0;
READWRITE(thisPtr->nVersion);
nVersion = thisPtr->nVersion;
READWRITE(thisPtr->vin);
READWRITE(thisPtr->vout);
READWRITE(thisPtr->nLockTime);
return nSerSize;
}
/** Compute the hash of this CMutableTransaction. This is computed on the
* fly, as opposed to GetHash() in CTransaction, which uses a cached result.
@@ -318,18 +357,24 @@ public:
CTxOutCompressor(CTxOut &txoutIn) : txout(txoutIn) { }
IMPLEMENT_SERIALIZE(({
IMPLEMENT_SERIALIZE
template <typename T, typename Stream, typename Operation>
inline static size_t SerializationOp(T thisPtr, Stream& s, Operation ser_action, int nType, int nVersion) {
bool fRead = boost::is_same<Operation, CSerActionUnserialize>();
size_t nSerSize = 0;
if (!fRead) {
uint64_t nVal = CompressAmount(txout.nValue);
uint64_t nVal = CompressAmount(thisPtr->txout.nValue);
READWRITE(VARINT(nVal));
} else {
uint64_t nVal = 0;
READWRITE(VARINT(nVal));
txout.nValue = DecompressAmount(nVal);
thisPtr->txout.nValue = DecompressAmount(nVal);
}
CScriptCompressor cscript(REF(txout.scriptPubKey));
CScriptCompressor cscript(REF(thisPtr->txout.scriptPubKey));
READWRITE(cscript);
});)
return nSerSize;
}
};
/** Undo information for a CTxIn
@@ -382,9 +427,14 @@ public:
// undo information for all txins
std::vector<CTxInUndo> vprevout;
IMPLEMENT_SERIALIZE(
READWRITE(vprevout);
)
IMPLEMENT_SERIALIZE
template <typename T, typename Stream, typename Operation>
inline static size_t SerializationOp(T thisPtr, Stream& s, Operation ser_action, int nType, int nVersion) {
size_t nSerSize = 0;
READWRITE(thisPtr->vprevout);
return nSerSize;
}
};
@@ -413,15 +463,21 @@ public:
}
IMPLEMENT_SERIALIZE
(
READWRITE(this->nVersion);
nVersion = this->nVersion;
READWRITE(hashPrevBlock);
READWRITE(hashMerkleRoot);
READWRITE(nTime);
READWRITE(nBits);
READWRITE(nNonce);
)
template <typename T, typename Stream, typename Operation>
inline static size_t SerializationOp(T thisPtr, Stream& s, Operation ser_action, int nType, int nVersion) {
size_t nSerSize = 0;
READWRITE(thisPtr->nVersion);
nVersion = thisPtr->nVersion;
READWRITE(thisPtr->hashPrevBlock);
READWRITE(thisPtr->hashMerkleRoot);
READWRITE(thisPtr->nTime);
READWRITE(thisPtr->nBits);
READWRITE(thisPtr->nNonce);
return nSerSize;
}
void SetNull()
{
@@ -468,10 +524,16 @@ public:
}
IMPLEMENT_SERIALIZE
(
READWRITE(*(CBlockHeader*)this);
READWRITE(vtx);
)
template <typename T, typename Stream, typename Operation>
inline static size_t SerializationOp(T thisPtr, Stream& s, Operation ser_action, int nType, int nVersion) {
size_t nSerSize = 0;
READWRITE(*(CBlockHeader*)thisPtr);
READWRITE(thisPtr->vtx);
return nSerSize;
}
void SetNull()
{
@@ -516,11 +578,17 @@ struct CBlockLocator
}
IMPLEMENT_SERIALIZE
(
template <typename T, typename Stream, typename Operation>
inline static size_t SerializationOp(T thisPtr, Stream& s, Operation ser_action, int nType, int nVersion) {
size_t nSerSize = 0;
if (!(nType & SER_GETHASH))
READWRITE(nVersion);
READWRITE(vHave);
)
READWRITE(thisPtr->vHave);
return nSerSize;
}
void SetNull()
{