////////////////////////////////////////////////////////////////////////////////
// Need a serious debugging method, that will touch all pointers that are
// supposed to be not NULL. I'd like to try to force a segfault here, if it
// is going to happen, instead of letting it kill my program where I don't
// know what happened.
void Tx::pprintAlot(ostream & os)
{
cout << "Tx hash: " << thisHash_.toHexStr(true) << endl;
if(!txRefObj_.isNull())
{
cout << "HeaderNum: " << getBlockHeight() << endl;
//cout << "HeadHash: " << getBlockHash().toHexStr(true) << endl;
}
cout << endl << "NumTxIn: " << getNumTxIn() << endl;
for(uint32_t i=0; i<getNumTxIn(); i++)
{
TxIn txin = getTxInCopy(i);
cout << " TxIn: " << i << endl;
cout << " Siz: " << txin.getSize() << endl;
cout << " Scr: " << txin.getScriptSize() << " Type: "
<< (int)txin.getScriptType() << endl;
cout << " OPR: " << txin.getOutPoint().getTxHash().toHexStr(true)
<< txin.getOutPoint().getTxOutIndex() << endl;
cout << " Seq: " << txin.getSequence() << endl;
}
cout << endl << "NumTxOut: " << getNumTxOut() << endl;
for(uint32_t i=0; i<getNumTxOut(); i++)
{
TxOut txout = getTxOutCopy(i);
cout << " TxOut: " << i << endl;
cout << " Siz: " << txout.getSize() << endl;
cout << " Scr: " << txout.getScriptSize() << " Type: "
<< (int)txout.getScriptType() << endl;
cout << " Val: " << txout.getValue() << endl;
}
}
TxOut TxOutRef::getCopy(void) const
{
TxOut returnTxOut;
returnTxOut.unserialize(getPtr());
returnTxOut.recipientBinAddr20_ = recipientBinAddr20_;
return returnTxOut;
}
void UnspentTxOut::init(LMDBBlockDatabase *db, TxOut & txout, uint32_t blkNum, bool isMulti)
{
txHash_ = txout.getParentHash(db);
txOutIndex_ = txout.getIndex();
txHeight_ = txout.getParentHeight();
value_ = txout.getValue();
script_ = txout.getScript();
isMultisigRef_ = isMulti;
}
/////////////////////////////////////////////////////////////////////////////
// This is not a pointer to persistent object, this method actually CREATES
// the TxOut. But it's fast and doesn't hold a lot of post-construction
// information, so it can probably just be computed on the fly
TxOut Tx::getTxOutCopy(int i) const
{
assert(isInitialized());
uint32_t txoutSize = offsetsTxOut_[i+1] - offsetsTxOut_[i];
TxOut out;
out.unserialize_checked(dataCopy_.getPtr()+offsetsTxOut_[i], dataCopy_.getSize()-offsetsTxOut_[i], txoutSize, txRefObj_, i);
out.setParentHash(getThisHash());
if(txRefObj_.isInitialized())
out.setParentHeight(txRefObj_.getBlockHeight());
return out;
}
map<BinaryData, map<BinaryData, TxIOPair> >
ZeroConfContainer::ZCisMineBulkFilter(const Tx & tx,
const BinaryData & ZCkey, uint32_t txtime,
function<bool(const BinaryData&)> filter,
bool withSecondOrderMultisig)
{
// Since 99.999%+ of all transactions are not ours, let's do the
// fastest bulk filter possible, even though it will add
// redundant computation to the tx that are ours. In fact,
// we will skip the TxIn/TxOut convenience methods and follow the
// pointers directly to the data we want
/***filter is a pointer to a function that takes in a scrAddr (21 bytes,
including the prefix) and returns a bool. For supernode, it should return
true all the time.
***/
map<BinaryData, map<BinaryData, TxIOPair> > processedTxIO;
BinaryData txHash = tx.getThisHash();
TxRef txref = db_->getTxRef(txHash);
if (txref.isInitialized())
{
//Found this tx in the db. It is already part of a block thus
//is invalid as a ZC
return processedTxIO;
}
uint8_t const * txStartPtr = tx.getPtr();
for (uint32_t iin = 0; iin<tx.getNumTxIn(); iin++)
{
// We have the txin, now check if it contains one of our TxOuts
OutPoint op;
op.unserialize(txStartPtr + tx.getTxInOffset(iin), 36);
//check ZC txhash first, always cheaper than grabing a stxo from DB,
//and will always be checked if the tx doesn't hit in DB outpoints.
{
BinaryData opZcKey;
if (getKeyForTxHash(op.getTxHash(), opZcKey))
{
TxRef outPointRef(opZcKey);
uint16_t outPointId = op.getTxOutIndex();
TxIOPair txio(outPointRef, outPointId,
TxRef(ZCkey), iin);
Tx chainedZC = getTxByHash(op.getTxHash());
const TxOut& chainedTxOut = chainedZC.getTxOutCopy(outPointId);
txio.setTxHashOfOutput(op.getTxHash());
txio.setTxHashOfInput(txHash);
txio.setValue(chainedTxOut.getValue());
txio.setTxTime(txtime);
BinaryData spentSA = chainedTxOut.getScrAddressStr();
auto& key_txioPair = processedTxIO[spentSA];
key_txioPair[txio.getDBKeyOfOutput()] = txio;
auto& wltIdVec = keyToSpentScrAddr_[ZCkey];
wltIdVec.push_back(spentSA);
txOutsSpentByZC_.insert(txio.getDBKeyOfOutput());
continue;
}
}
//fetch the TxOut from DB
BinaryData opKey = op.getDBkey(db_);
if (opKey.getSize() == 8)
{
//found outPoint DBKey, grab the StoredTxOut
StoredTxOut stxOut;
if (db_->getStoredTxOut(stxOut, opKey))
{
BinaryData sa = stxOut.getScrAddress();
if (filter(sa))
{
TxIOPair txio(TxRef(opKey.getSliceRef(0, 6)), op.getTxOutIndex(),
TxRef(ZCkey), iin);
txio.setTxHashOfOutput(op.getTxHash());
txio.setTxHashOfInput(txHash);
txio.setValue(stxOut.getValue());
txio.setTxTime(txtime);
auto& key_txioPair = processedTxIO[sa];
key_txioPair[opKey] = txio;
auto& wltIdVec = keyToSpentScrAddr_[ZCkey];
wltIdVec.push_back(sa);
txOutsSpentByZC_.insert(opKey);
}
}
}
}
// Simply convert the TxOut scripts to scrAddrs and check if registered
for (uint32_t iout = 0; iout<tx.getNumTxOut(); iout++)
{
TxOut txout = tx.getTxOutCopy(iout);
BinaryData scrAddr = txout.getScrAddressStr();
if (filter(scrAddr))
{
TxIOPair txio(TxRef(ZCkey), iout);
txio.setValue(txout.getValue());
txio.setTxHashOfOutput(txHash);
txio.setTxTime(txtime);
txio.setUTXO(true);
auto& key_txioPair = processedTxIO[scrAddr];
key_txioPair[txio.getDBKeyOfOutput()] = txio;
continue;
}
// It's still possible this is a multisig addr involving one of our
// existing scrAddrs, even if we aren't explicitly looking for this multisig
if (withSecondOrderMultisig && txout.getScriptType() ==
TXOUT_SCRIPT_MULTISIG)
{
BinaryRefReader brrmsig(scrAddr);
uint8_t PREFIX = brrmsig.get_uint8_t();
(void)PREFIX;
uint8_t M = brrmsig.get_uint8_t();
(void)M;
uint8_t N = brrmsig.get_uint8_t();
for (uint8_t a = 0; a<N; a++)
if (filter(HASH160PREFIX + brrmsig.get_BinaryDataRef(20)))
{
TxIOPair txio(TxRef(ZCkey), iout);
txio.setTxHashOfOutput(txHash);
txio.setValue(txout.getValue());
txio.setTxTime(txtime);
txio.setUTXO(true);
txio.setMultisig(true);
auto& key_txioPair = processedTxIO[scrAddr];
key_txioPair[txio.getDBKeyOfOutput()] = txio;
}
}
}
// If we got here, it's either non std or not ours
return processedTxIO;
}
BinaryData Tx::getScrAddrForTxOut(uint32_t txOutIndex)
{
TxOut txout = getTxOutCopy(txOutIndex);
return BtcUtils::getTxOutScrAddr(txout.getScript());
}