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Add CMutableTransaction and make CTransaction immutable.

Browse Source 
In addition, introduce a cached hash inside CTransaction, to prevent
recalculating it over and over again.
This commit is contained in:
Pieter Wuille 2014-06-07 13:53:27 +02:00
parent 8f59251b83
commit 4949004d68
19 changed files with 181 additions and 106 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/chainparams.cpp
View File

@ -127,7 +127,7 @@ public:
// CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B)
// vMerkleTree: 4a5e1e
const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
CTransaction txNew;
CMutableTransaction txNew;
txNew.vin.resize(1);
txNew.vout.resize(1);
txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));

25
src/core.cpp
View File

@ -91,11 +91,34 @@ std::string CFeeRate::ToString() const
return result;
}
uint256 CTransaction::GetHash() const
CMutableTransaction::CMutableTransaction() : nVersion(CTransaction::CURRENT_VERSION), nLockTime(0) {}
CMutableTransaction::CMutableTransaction(const CTransaction& tx) : nVersion(tx.nVersion), vin(tx.vin), vout(tx.vout), nLockTime(tx.nLockTime) {}
uint256 CMutableTransaction::GetHash() const
{
return SerializeHash(*this);
}
void CTransaction::UpdateHash() const
{
*const_cast<uint256*>(&hash) = SerializeHash(*this);
}
CTransaction::CTransaction() : hash(0), nVersion(CTransaction::CURRENT_VERSION), vin(), vout(), nLockTime(0) { }
CTransaction::CTransaction(const CMutableTransaction &tx) : nVersion(tx.nVersion), vin(tx.vin), vout(tx.vout), nLockTime(tx.nLockTime) {
UpdateHash();
}
CTransaction& CTransaction::operator=(const CTransaction &tx) {
*const_cast<int*>(&nVersion) = tx.nVersion;
*const_cast<std::vector<CTxIn>*>(&vin) = tx.vin;
*const_cast<std::vector<CTxOut>*>(&vout) = tx.vout;
*const_cast<unsigned int*>(&nLockTime) = tx.nLockTime;
*const_cast<uint256*>(&hash) = tx.hash;
return *this;
}
int64_t CTransaction::GetValueOut() const
{
int64_t nValueOut = 0;

93
src/core.h
View File

@ -203,49 +203,59 @@ public:
};
struct CMutableTransaction;
/** The basic transaction that is broadcasted on the network and contained in
* blocks. A transaction can contain multiple inputs and outputs.
*/
class CTransaction
{
private:
/** Memory only. */
const uint256 hash;
void UpdateHash() const;
public:
static CFeeRate minTxFee;
static CFeeRate minRelayTxFee;
static const int CURRENT_VERSION=1;
int nVersion;
std::vector<CTxIn> vin;
std::vector<CTxOut> vout;
unsigned int nLockTime;
CTransaction()
{
SetNull();
}
// The local variables are made const to prevent unintended modification
// without updating the cached hash value. However, CTransaction is not
// actually immutable; deserialization and assignment are implemented,
// and bypass the constness. This is safe, as they update the entire
// structure, including the hash.
const int nVersion;
const std::vector<CTxIn> vin;
const std::vector<CTxOut> vout;
const unsigned int nLockTime;
IMPLEMENT_SERIALIZE
(
READWRITE(this->nVersion);
/** Construct a CTransaction that qualifies as IsNull() */
CTransaction();
/** Convert a CMutableTransaction into a CTransaction. */
CTransaction(const CMutableTransaction &tx);
CTransaction& operator=(const CTransaction& tx);
IMPLEMENT_SERIALIZE(
READWRITE(*const_cast<int*>(&this->nVersion));
nVersion = this->nVersion;
READWRITE(vin);
READWRITE(vout);
READWRITE(nLockTime);
READWRITE(*const_cast<std::vector<CTxIn>*>(&vin));
READWRITE(*const_cast<std::vector<CTxOut>*>(&vout));
READWRITE(*const_cast<unsigned int*>(&nLockTime));
if (fRead)
UpdateHash();
)
void SetNull()
{
nVersion = CTransaction::CURRENT_VERSION;
vin.clear();
vout.clear();
nLockTime = 0;
bool IsNull() const {
return vin.empty() && vout.empty();
}
bool IsNull() const
{
return (vin.empty() && vout.empty());
const uint256& GetHash() const {
return hash;
}
uint256 GetHash() const;
// Return sum of txouts.
int64_t GetValueOut() const;
// GetValueIn() is a method on CCoinsViewCache, because
@ -261,22 +271,43 @@ public:
friend bool operator==(const CTransaction& a, const CTransaction& b)
{
return (a.nVersion == b.nVersion &&
a.vin == b.vin &&
a.vout == b.vout &&
a.nLockTime == b.nLockTime);
return a.hash == b.hash;
}
friend bool operator!=(const CTransaction& a, const CTransaction& b)
{
return !(a == b);
return a.hash != b.hash;
}
std::string ToString() const;
void print() const;
};
/** A mutable version of CTransaction. */
struct CMutableTransaction
{
int nVersion;
std::vector<CTxIn> vin;
std::vector<CTxOut> vout;
unsigned int nLockTime;
CMutableTransaction();
CMutableTransaction(const CTransaction& tx);
IMPLEMENT_SERIALIZE(
READWRITE(this->nVersion);
nVersion = this->nVersion;
READWRITE(vin);
READWRITE(vout);
READWRITE(nLockTime);
)
/** Compute the hash of this CMutableTransaction. This is computed on the
* fly, as opposed to GetHash() in CTransaction, which uses a cached result.
*/
uint256 GetHash() const;
};
/** wrapper for CTxOut that provides a more compact serialization */
class CTxOutCompressor
{

18
src/miner.cpp
View File

@ -86,14 +86,14 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
CBlock *pblock = &pblocktemplate->block; // pointer for convenience
// Create coinbase tx
CTransaction txNew;
CMutableTransaction txNew;
txNew.vin.resize(1);
txNew.vin[0].prevout.SetNull();
txNew.vout.resize(1);
txNew.vout[0].scriptPubKey = scriptPubKeyIn;
// Add our coinbase tx as first transaction
pblock->vtx.push_back(txNew);
// Add dummy coinbase tx as first transaction
pblock->vtx.push_back(CTransaction());
pblocktemplate->vTxFees.push_back(-1); // updated at end
pblocktemplate->vTxSigOps.push_back(-1); // updated at end
@ -294,7 +294,10 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
nLastBlockSize = nBlockSize;
LogPrintf("CreateNewBlock(): total size %u\n", nBlockSize);
pblock->vtx[0].vout[0].nValue = GetBlockValue(pindexPrev->nHeight+1, nFees);
// Compute final coinbase transaction.
txNew.vout[0].nValue = GetBlockValue(pindexPrev->nHeight+1, nFees);
txNew.vin[0].scriptSig = CScript() << OP_0 << OP_0;
pblock->vtx[0] = txNew;
pblocktemplate->vTxFees[0] = -nFees;
// Fill in header
@ -302,7 +305,6 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
UpdateTime(*pblock, pindexPrev);
pblock->nBits = GetNextWorkRequired(pindexPrev, pblock);
pblock->nNonce = 0;
pblock->vtx[0].vin[0].scriptSig = CScript() << OP_0 << OP_0;
pblocktemplate->vTxSigOps[0] = GetLegacySigOpCount(pblock->vtx[0]);
CBlockIndex indexDummy(*pblock);
@ -328,9 +330,11 @@ void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int&
}
++nExtraNonce;
unsigned int nHeight = pindexPrev->nHeight+1; // Height first in coinbase required for block.version=2
pblock->vtx[0].vin[0].scriptSig = (CScript() << nHeight << CScriptNum(nExtraNonce)) + COINBASE_FLAGS;
assert(pblock->vtx[0].vin[0].scriptSig.size() <= 100);
CMutableTransaction txCoinbase(pblock->vtx[0]);
txCoinbase.vin[0].scriptSig = (CScript() << nHeight << CScriptNum(nExtraNonce)) + COINBASE_FLAGS;
assert(txCoinbase.vin[0].scriptSig.size() <= 100);
pblock->vtx[0] = txCoinbase;
pblock->hashMerkleRoot = pblock->BuildMerkleTree();
}

2
src/qt/coincontroldialog.cpp
View File

@ -440,7 +440,7 @@ void CoinControlDialog::updateLabels(WalletModel *model, QDialog* dialog)
// nPayAmount
qint64 nPayAmount = 0;
bool fDust = false;
CTransaction txDummy;
CMutableTransaction txDummy;
foreach(const qint64 &amount, CoinControlDialog::payAmounts)
{
nPayAmount += amount;

10
src/rpcrawtransaction.cpp
View File

@ -349,7 +349,7 @@ Value createrawtransaction(const Array& params, bool fHelp)
Array inputs = params[0].get_array();
Object sendTo = params[1].get_obj();
CTransaction rawTx;
CMutableTransaction rawTx;
BOOST_FOREACH(const Value& input, inputs)
{
@ -554,11 +554,11 @@ Value signrawtransaction(const Array& params, bool fHelp)
vector<unsigned char> txData(ParseHexV(params[0], "argument 1"));
CDataStream ssData(txData, SER_NETWORK, PROTOCOL_VERSION);
vector<CTransaction> txVariants;
vector<CMutableTransaction> txVariants;
while (!ssData.empty())
{
try {
CTransaction tx;
CMutableTransaction tx;
ssData >> tx;
txVariants.push_back(tx);
}
@ -572,7 +572,7 @@ Value signrawtransaction(const Array& params, bool fHelp)
// mergedTx will end up with all the signatures; it
// starts as a clone of the rawtx:
CTransaction mergedTx(txVariants[0]);
CMutableTransaction mergedTx(txVariants[0]);
bool fComplete = true;
// Fetch previous transactions (inputs):
@ -713,7 +713,7 @@ Value signrawtransaction(const Array& params, bool fHelp)
SignSignature(keystore, prevPubKey, mergedTx, i, nHashType);
// ... and merge in other signatures:
BOOST_FOREACH(const CTransaction& txv, txVariants)
BOOST_FOREACH(const CMutableTransaction& txv, txVariants)
{
txin.scriptSig = CombineSignatures(prevPubKey, mergedTx, i, txin.scriptSig, txv.vin[i].scriptSig);
}

6
src/script.cpp
View File

@ -1636,7 +1636,7 @@ bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const C
}
bool SignSignature(const CKeyStore &keystore, const CScript& fromPubKey, CTransaction& txTo, unsigned int nIn, int nHashType)
bool SignSignature(const CKeyStore &keystore, const CScript& fromPubKey, CMutableTransaction& txTo, unsigned int nIn, int nHashType)
{
assert(nIn < txTo.vin.size());
CTxIn& txin = txTo.vin[nIn];
@ -1671,7 +1671,7 @@ bool SignSignature(const CKeyStore &keystore, const CScript& fromPubKey, CTransa
return VerifyScript(txin.scriptSig, fromPubKey, txTo, nIn, STANDARD_SCRIPT_VERIFY_FLAGS, 0);
}
bool SignSignature(const CKeyStore &keystore, const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType)
bool SignSignature(const CKeyStore &keystore, const CTransaction& txFrom, CMutableTransaction& txTo, unsigned int nIn, int nHashType)
{
assert(nIn < txTo.vin.size());
CTxIn& txin = txTo.vin[nIn];
@ -1689,7 +1689,7 @@ static CScript PushAll(const vector<valtype>& values)
return result;
}
static CScript CombineMultisig(CScript scriptPubKey, const CTransaction& txTo, unsigned int nIn,
static CScript CombineMultisig(CScript scriptPubKey, const CMutableTransaction& txTo, unsigned int nIn,
const vector<valtype>& vSolutions,
vector<valtype>& sigs1, vector<valtype>& sigs2)
{

5
src/script.h
View File

@ -20,6 +20,7 @@
class CCoins;
class CKeyStore;
class CTransaction;
class CMutableTransaction;
static const unsigned int MAX_SCRIPT_ELEMENT_SIZE = 520; // bytes
static const unsigned int MAX_OP_RETURN_RELAY = 40; // bytes
@ -805,8 +806,8 @@ bool IsMine(const CKeyStore& keystore, const CTxDestination &dest);
void ExtractAffectedKeys(const CKeyStore &keystore, const CScript& scriptPubKey, std::vector<CKeyID> &vKeys);
bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet);
bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<CTxDestination>& addressRet, int& nRequiredRet);
bool SignSignature(const CKeyStore& keystore, const CScript& fromPubKey, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
bool SignSignature(const CKeyStore& keystore, const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
bool SignSignature(const CKeyStore& keystore, const CScript& fromPubKey, CMutableTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
bool SignSignature(const CKeyStore& keystore, const CTransaction& txFrom, CMutableTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType);
// Given two sets of signatures for scriptPubKey, possibly with OP_0 placeholders,

12
src/test/DoS_tests.cpp
View File

@ -167,7 +167,7 @@ BOOST_AUTO_TEST_CASE(DoS_mapOrphans)
// 50 orphan transactions:
for (int i = 0; i < 50; i++)
{
CTransaction tx;
CMutableTransaction tx;
tx.vin.resize(1);
tx.vin[0].prevout.n = 0;
tx.vin[0].prevout.hash = GetRandHash();
@ -184,7 +184,7 @@ BOOST_AUTO_TEST_CASE(DoS_mapOrphans)
{
CTransaction txPrev = RandomOrphan();
CTransaction tx;
CMutableTransaction tx;
tx.vin.resize(1);
tx.vin[0].prevout.n = 0;
tx.vin[0].prevout.hash = txPrev.GetHash();
@ -201,7 +201,7 @@ BOOST_AUTO_TEST_CASE(DoS_mapOrphans)
{
CTransaction txPrev = RandomOrphan();
CTransaction tx;
CMutableTransaction tx;
tx.vout.resize(1);
tx.vout[0].nValue = 1*CENT;
tx.vout[0].scriptPubKey.SetDestination(key.GetPubKey().GetID());
@ -242,10 +242,10 @@ BOOST_AUTO_TEST_CASE(DoS_checkSig)
// 100 orphan transactions:
static const int NPREV=100;
CTransaction orphans[NPREV];
CMutableTransaction orphans[NPREV];
for (int i = 0; i < NPREV; i++)
{
CTransaction& tx = orphans[i];
CMutableTransaction& tx = orphans[i];
tx.vin.resize(1);
tx.vin[0].prevout.n = 0;
tx.vin[0].prevout.hash = GetRandHash();
@ -258,7 +258,7 @@ BOOST_AUTO_TEST_CASE(DoS_checkSig)
}
// Create a transaction that depends on orphans:
CTransaction tx;
CMutableTransaction tx;
tx.vout.resize(1);
tx.vout[0].nValue = 1*CENT;
tx.vout[0].scriptPubKey.SetDestination(key.GetPubKey().GetID());

12
src/test/accounting_tests.cpp
View File

@ -83,13 +83,21 @@ BOOST_AUTO_TEST_CASE(acc_orderupgrade)
wtx.mapValue["comment"] = "y";
--wtx.nLockTime; // Just to change the hash :)
{
CMutableTransaction tx(wtx);
--tx.nLockTime; // Just to change the hash :)
*static_cast<CTransaction*>(&wtx) = CTransaction(tx);
}
pwalletMain->AddToWallet(wtx);
vpwtx.push_back(&pwalletMain->mapWallet[wtx.GetHash()]);
vpwtx[1]->nTimeReceived = (unsigned int)1333333336;
wtx.mapValue["comment"] = "x";
--wtx.nLockTime; // Just to change the hash :)
{
CMutableTransaction tx(wtx);
--tx.nLockTime; // Just to change the hash :)
*static_cast<CTransaction*>(&wtx) = CTransaction(tx);
}
pwalletMain->AddToWallet(wtx);
vpwtx.push_back(&pwalletMain->mapWallet[wtx.GetHash()]);
vpwtx[2]->nTimeReceived = (unsigned int)1333333329;

12
src/test/miner_tests.cpp
View File

@ -51,7 +51,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
{
CScript scriptPubKey = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
CBlockTemplate *pblocktemplate;
CTransaction tx,tx2;
CMutableTransaction tx,tx2;
CScript script;
uint256 hash;
@ -68,10 +68,12 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
CBlock *pblock = &pblocktemplate->block; // pointer for convenience
pblock->nVersion = 1;
pblock->nTime = chainActive.Tip()->GetMedianTimePast()+1;
pblock->vtx[0].vin[0].scriptSig = CScript();
pblock->vtx[0].vin[0].scriptSig.push_back(blockinfo[i].extranonce);
pblock->vtx[0].vin[0].scriptSig.push_back(chainActive.Height());
pblock->vtx[0].vout[0].scriptPubKey = CScript();
CMutableTransaction txCoinbase(pblock->vtx[0]);
txCoinbase.vin[0].scriptSig = CScript();
txCoinbase.vin[0].scriptSig.push_back(blockinfo[i].extranonce);
txCoinbase.vin[0].scriptSig.push_back(chainActive.Height());
txCoinbase.vout[0].scriptPubKey = CScript();
pblock->vtx[0] = CTransaction(txCoinbase);
if (txFirst.size() < 2)
txFirst.push_back(new CTransaction(pblock->vtx[0]));
pblock->hashMerkleRoot = pblock->BuildMerkleTree();

8
src/test/multisig_tests.cpp
View File

@ -55,13 +55,13 @@ BOOST_AUTO_TEST_CASE(multisig_verify)
CScript escrow;
escrow << OP_2 << key[0].GetPubKey() << key[1].GetPubKey() << key[2].GetPubKey() << OP_3 << OP_CHECKMULTISIG;
CTransaction txFrom; // Funding transaction
CMutableTransaction txFrom; // Funding transaction
txFrom.vout.resize(3);
txFrom.vout[0].scriptPubKey = a_and_b;
txFrom.vout[1].scriptPubKey = a_or_b;
txFrom.vout[2].scriptPubKey = escrow;
CTransaction txTo[3]; // Spending transaction
CMutableTransaction txTo[3]; // Spending transaction
for (int i = 0; i < 3; i++)
{
txTo[i].vin.resize(1);
@ -270,13 +270,13 @@ BOOST_AUTO_TEST_CASE(multisig_Sign)
CScript escrow;
escrow << OP_2 << key[0].GetPubKey() << key[1].GetPubKey() << key[2].GetPubKey() << OP_3 << OP_CHECKMULTISIG;
CTransaction txFrom; // Funding transaction
CMutableTransaction txFrom; // Funding transaction
txFrom.vout.resize(3);
txFrom.vout[0].scriptPubKey = a_and_b;
txFrom.vout[1].scriptPubKey = a_or_b;
txFrom.vout[2].scriptPubKey = escrow;
CTransaction txTo[3]; // Spending transaction
CMutableTransaction txTo[3]; // Spending transaction
for (int i = 0; i < 3; i++)
{
txTo[i].vin.resize(1);

4
src/test/pmt_tests.cpp
View File

@ -36,9 +36,9 @@ BOOST_AUTO_TEST_CASE(pmt_test1)
// build a block with some dummy transactions
CBlock block;
for (unsigned int j=0; j<nTx; j++) {
CTransaction tx;
CMutableTransaction tx;
tx.nLockTime = rand(); // actual transaction data doesn't matter; just make the nLockTime's unique
block.vtx.push_back(tx);
block.vtx.push_back(CTransaction(tx));
}
// calculate actual merkle root and height

18
src/test/script_P2SH_tests.cpp
View File

@ -30,11 +30,11 @@ static bool
Verify(const CScript& scriptSig, const CScript& scriptPubKey, bool fStrict)
{
// Create dummy to/from transactions:
CTransaction txFrom;
CMutableTransaction txFrom;
txFrom.vout.resize(1);
txFrom.vout[0].scriptPubKey = scriptPubKey;
CTransaction txTo;
CMutableTransaction txTo;
txTo.vin.resize(1);
txTo.vout.resize(1);
txTo.vin[0].prevout.n = 0;
@ -78,7 +78,7 @@ BOOST_AUTO_TEST_CASE(sign)
evalScripts[i].SetDestination(standardScripts[i].GetID());
}
CTransaction txFrom; // Funding transaction:
CMutableTransaction txFrom; // Funding transaction:
string reason;
txFrom.vout.resize(8);
for (int i = 0; i < 4; i++)
@ -90,7 +90,7 @@ BOOST_AUTO_TEST_CASE(sign)
}
BOOST_CHECK(IsStandardTx(txFrom, reason));
CTransaction txTo[8]; // Spending transactions
CMutableTransaction txTo[8]; // Spending transactions
for (int i = 0; i < 8; i++)
{
txTo[i].vin.resize(1);
@ -173,7 +173,7 @@ BOOST_AUTO_TEST_CASE(set)
keystore.AddCScript(inner[i]);
}
CTransaction txFrom; // Funding transaction:
CMutableTransaction txFrom; // Funding transaction:
string reason;
txFrom.vout.resize(4);
for (int i = 0; i < 4; i++)
@ -183,7 +183,7 @@ BOOST_AUTO_TEST_CASE(set)
}
BOOST_CHECK(IsStandardTx(txFrom, reason));
CTransaction txTo[4]; // Spending transactions
CMutableTransaction txTo[4]; // Spending transactions
for (int i = 0; i < 4; i++)
{
txTo[i].vin.resize(1);
@ -265,7 +265,7 @@ BOOST_AUTO_TEST_CASE(AreInputsStandard)
keys.push_back(key[i].GetPubKey());
}
CTransaction txFrom;
CMutableTransaction txFrom;
txFrom.vout.resize(6);
// First three are standard:
@ -299,7 +299,7 @@ BOOST_AUTO_TEST_CASE(AreInputsStandard)
coins.SetCoins(txFrom.GetHash(), CCoins(txFrom, 0));
CTransaction txTo;
CMutableTransaction txTo;
txTo.vout.resize(1);
txTo.vout[0].scriptPubKey.SetDestination(key[1].GetPubKey().GetID());
@ -326,7 +326,7 @@ BOOST_AUTO_TEST_CASE(AreInputsStandard)
txTo.vin[i].scriptSig = t;
}
CTransaction txToNonStd;
CMutableTransaction txToNonStd;
txToNonStd.vout.resize(1);
txToNonStd.vout[0].scriptPubKey.SetDestination(key[1].GetPubKey().GetID());
txToNonStd.vout[0].nValue = 1000;

12
src/test/script_tests.cpp
View File

@ -240,11 +240,11 @@ BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG12)
CScript scriptPubKey12;
scriptPubKey12 << OP_1 << key1.GetPubKey() << key2.GetPubKey() << OP_2 << OP_CHECKMULTISIG;
CTransaction txFrom12;
CMutableTransaction txFrom12;
txFrom12.vout.resize(1);
txFrom12.vout[0].scriptPubKey = scriptPubKey12;
CTransaction txTo12;
CMutableTransaction txTo12;
txTo12.vin.resize(1);
txTo12.vout.resize(1);
txTo12.vin[0].prevout.n = 0;
@ -274,11 +274,11 @@ BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG23)
CScript scriptPubKey23;
scriptPubKey23 << OP_2 << key1.GetPubKey() << key2.GetPubKey() << key3.GetPubKey() << OP_3 << OP_CHECKMULTISIG;
CTransaction txFrom23;
CMutableTransaction txFrom23;
txFrom23.vout.resize(1);
txFrom23.vout[0].scriptPubKey = scriptPubKey23;
CTransaction txTo23;
CMutableTransaction txTo23;
txTo23.vin.resize(1);
txTo23.vout.resize(1);
txTo23.vin[0].prevout.n = 0;
@ -345,11 +345,11 @@ BOOST_AUTO_TEST_CASE(script_combineSigs)
keystore.AddKey(key);
}
CTransaction txFrom;
CMutableTransaction txFrom;
txFrom.vout.resize(1);
txFrom.vout[0].scriptPubKey.SetDestination(keys[0].GetPubKey().GetID());
CScript& scriptPubKey = txFrom.vout[0].scriptPubKey;
CTransaction txTo;
CMutableTransaction txTo;
txTo.vin.resize(1);
txTo.vout.resize(1);
txTo.vin[0].prevout.n = 0;

6
src/test/sighash_tests.cpp
View File

@ -28,7 +28,7 @@ uint256 static SignatureHashOld(CScript scriptCode, const CTransaction& txTo, un
printf("ERROR: SignatureHash() : nIn=%d out of range\n", nIn);
return 1;
}
CTransaction txTmp(txTo);
CMutableTransaction txTmp(txTo);
// In case concatenating two scripts ends up with two codeseparators,
// or an extra one at the end, this prevents all those possible incompatibilities.
@ -90,7 +90,7 @@ void static RandomScript(CScript &script) {
script << oplist[insecure_rand() % (sizeof(oplist)/sizeof(oplist[0]))];
}
void static RandomTransaction(CTransaction &tx, bool fSingle) {
void static RandomTransaction(CMutableTransaction &tx, bool fSingle) {
tx.nVersion = insecure_rand();
tx.vin.clear();
tx.vout.clear();
@ -130,7 +130,7 @@ BOOST_AUTO_TEST_CASE(sighash_test)
#endif
for (int i=0; i<nRandomTests; i++) {
int nHashType = insecure_rand();
CTransaction txTo;
CMutableTransaction txTo;
RandomTransaction(txTo, (nHashType & 0x1f) == SIGHASH_SINGLE);
CScript scriptCode;
RandomScript(scriptCode);

14
src/test/transaction_tests.cpp
View File

@ -208,7 +208,7 @@ BOOST_AUTO_TEST_CASE(basic_transaction_tests)
unsigned char ch[] = {0x01, 0x00, 0x00, 0x00, 0x01, 0x6b, 0xff, 0x7f, 0xcd, 0x4f, 0x85, 0x65, 0xef, 0x40, 0x6d, 0xd5, 0xd6, 0x3d, 0x4f, 0xf9, 0x4f, 0x31, 0x8f, 0xe8, 0x20, 0x27, 0xfd, 0x4d, 0xc4, 0x51, 0xb0, 0x44, 0x74, 0x01, 0x9f, 0x74, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x8c, 0x49, 0x30, 0x46, 0x02, 0x21, 0x00, 0xda, 0x0d, 0xc6, 0xae, 0xce, 0xfe, 0x1e, 0x06, 0xef, 0xdf, 0x05, 0x77, 0x37, 0x57, 0xde, 0xb1, 0x68, 0x82, 0x09, 0x30, 0xe3, 0xb0, 0xd0, 0x3f, 0x46, 0xf5, 0xfc, 0xf1, 0x50, 0xbf, 0x99, 0x0c, 0x02, 0x21, 0x00, 0xd2, 0x5b, 0x5c, 0x87, 0x04, 0x00, 0x76, 0xe4, 0xf2, 0x53, 0xf8, 0x26, 0x2e, 0x76, 0x3e, 0x2d, 0xd5, 0x1e, 0x7f, 0xf0, 0xbe, 0x15, 0x77, 0x27, 0xc4, 0xbc, 0x42, 0x80, 0x7f, 0x17, 0xbd, 0x39, 0x01, 0x41, 0x04, 0xe6, 0xc2, 0x6e, 0xf6, 0x7d, 0xc6, 0x10, 0xd2, 0xcd, 0x19, 0x24, 0x84, 0x78, 0x9a, 0x6c, 0xf9, 0xae, 0xa9, 0x93, 0x0b, 0x94, 0x4b, 0x7e, 0x2d, 0xb5, 0x34, 0x2b, 0x9d, 0x9e, 0x5b, 0x9f, 0xf7, 0x9a, 0xff, 0x9a, 0x2e, 0xe1, 0x97, 0x8d, 0xd7, 0xfd, 0x01, 0xdf, 0xc5, 0x22, 0xee, 0x02, 0x28, 0x3d, 0x3b, 0x06, 0xa9, 0xd0, 0x3a, 0xcf, 0x80, 0x96, 0x96, 0x8d, 0x7d, 0xbb, 0x0f, 0x91, 0x78, 0xff, 0xff, 0xff, 0xff, 0x02, 0x8b, 0xa7, 0x94, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x19, 0x76, 0xa9, 0x14, 0xba, 0xde, 0xec, 0xfd, 0xef, 0x05, 0x07, 0x24, 0x7f, 0xc8, 0xf7, 0x42, 0x41, 0xd7, 0x3b, 0xc0, 0x39, 0x97, 0x2d, 0x7b, 0x88, 0xac, 0x40, 0x94, 0xa8, 0x02, 0x00, 0x00, 0x00, 0x00, 0x19, 0x76, 0xa9, 0x14, 0xc1, 0x09, 0x32, 0x48, 0x3f, 0xec, 0x93, 0xed, 0x51, 0xf5, 0xfe, 0x95, 0xe7, 0x25, 0x59, 0xf2, 0xcc, 0x70, 0x43, 0xf9, 0x88, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00};
vector<unsigned char> vch(ch, ch + sizeof(ch) -1);
CDataStream stream(vch, SER_DISK, CLIENT_VERSION);
CTransaction tx;
CMutableTransaction tx;
stream >> tx;
CValidationState state;
BOOST_CHECK_MESSAGE(CheckTransaction(tx, state) && state.IsValid(), "Simple deserialized transaction should be valid.");
@ -224,10 +224,10 @@ BOOST_AUTO_TEST_CASE(basic_transaction_tests)
// paid to a TX_PUBKEY, the second 21 and 22 CENT outputs
// paid to a TX_PUBKEYHASH.
//
static std::vector<CTransaction>
static std::vector<CMutableTransaction>
SetupDummyInputs(CBasicKeyStore& keystoreRet, CCoinsView & coinsRet)
{
std::vector<CTransaction> dummyTransactions;
std::vector<CMutableTransaction> dummyTransactions;
dummyTransactions.resize(2);
// Add some keys to the keystore:
@ -261,9 +261,9 @@ BOOST_AUTO_TEST_CASE(test_Get)
CBasicKeyStore keystore;
CCoinsView coinsDummy;
CCoinsViewCache coins(coinsDummy);
std::vector<CTransaction> dummyTransactions = SetupDummyInputs(keystore, coins);
std::vector<CMutableTransaction> dummyTransactions = SetupDummyInputs(keystore, coins);
CTransaction t1;
CMutableTransaction t1;
t1.vin.resize(3);
t1.vin[0].prevout.hash = dummyTransactions[0].GetHash();
t1.vin[0].prevout.n = 1;
@ -296,9 +296,9 @@ BOOST_AUTO_TEST_CASE(test_IsStandard)
CBasicKeyStore keystore;
CCoinsView coinsDummy;
CCoinsViewCache coins(coinsDummy);
std::vector<CTransaction> dummyTransactions = SetupDummyInputs(keystore, coins);
std::vector<CMutableTransaction> dummyTransactions = SetupDummyInputs(keystore, coins);
CTransaction t;
CMutableTransaction t;
t.vin.resize(1);
t.vin[0].prevout.hash = dummyTransactions[0].GetHash();
t.vin[0].prevout.n = 1;

10
src/test/wallet_tests.cpp
View File

@ -31,16 +31,18 @@ static vector<COutput> vCoins;
static void add_coin(int64_t nValue, int nAge = 6*24, bool fIsFromMe = false, int nInput=0)
{
static int nextLockTime = 0;
CTransaction tx;
CMutableTransaction tx;
tx.nLockTime = nextLockTime++; // so all transactions get different hashes
tx.vout.resize(nInput+1);
tx.vout[nInput].nValue = nValue;
if (fIsFromMe) {
// IsFromMe() returns (GetDebit() > 0), and GetDebit() is 0 if vin.empty(),
// so stop vin being empty, and cache a non-zero Debit to fake out IsFromMe()
tx.vin.resize(1);
}
CWalletTx* wtx = new CWalletTx(&wallet, tx);
if (fIsFromMe)
{
// IsFromMe() returns (GetDebit() > 0), and GetDebit() is 0 if vin.empty(),
// so stop vin being empty, and cache a non-zero Debit to fake out IsFromMe()
wtx->vin.resize(1);
wtx->fDebitCached = true;
wtx->nDebitCached = 1;
}

18
src/wallet.cpp
View File

@ -1245,6 +1245,7 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64_t> >& vecSend,
}
wtxNew.BindWallet(this);
CMutableTransaction txNew;
{
LOCK2(cs_main, cs_wallet);
@ -1252,8 +1253,8 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64_t> >& vecSend,
nFeeRet = payTxFee.GetFeePerK();
while (true)
{
wtxNew.vin.clear();
wtxNew.vout.clear();
txNew.vin.clear();
txNew.vout.clear();
wtxNew.fFromMe = true;
int64_t nTotalValue = nValue + nFeeRet;
@ -1267,7 +1268,7 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64_t> >& vecSend,
strFailReason = _("Transaction amount too small");
return false;
}
wtxNew.vout.push_back(txout);
txNew.vout.push_back(txout);
}
// Choose coins to use
@ -1331,8 +1332,8 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64_t> >& vecSend,
else
{
// Insert change txn at random position:
vector<CTxOut>::iterator position = wtxNew.vout.begin()+GetRandInt(wtxNew.vout.size()+1);
wtxNew.vout.insert(position, newTxOut);
vector<CTxOut>::iterator position = txNew.vout.begin()+GetRandInt(txNew.vout.size()+1);
txNew.vout.insert(position, newTxOut);
}
}
else
@ -1340,17 +1341,20 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64_t> >& vecSend,
// Fill vin
BOOST_FOREACH(const PAIRTYPE(const CWalletTx*,unsigned int)& coin, setCoins)
wtxNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second));
txNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second));
// Sign
int nIn = 0;
BOOST_FOREACH(const PAIRTYPE(const CWalletTx*,unsigned int)& coin, setCoins)
if (!SignSignature(*this, *coin.first, wtxNew, nIn++))
if (!SignSignature(*this, *coin.first, txNew, nIn++))
{
strFailReason = _("Signing transaction failed");
return false;
}
// Embed the constructed transaction data in wtxNew.
*static_cast<CTransaction*>(&wtxNew) = CTransaction(txNew);
// Limit size
unsigned int nBytes = ::GetSerializeSize(*(CTransaction*)&wtxNew, SER_NETWORK, PROTOCOL_VERSION);
if (nBytes >= MAX_STANDARD_TX_SIZE)