CWalletTx& AddTx(CRecipient recipient)
{
CTransactionRef tx;
CReserveKey reservekey(wallet.get());
CAmount fee;
int changePos = -1;
std::string error;
CCoinControl dummy;
BOOST_CHECK(wallet->CreateTransaction({recipient}, tx, reservekey, fee, changePos, error, dummy));
CValidationState state;
BOOST_CHECK(wallet->CommitTransaction(tx, {}, {}, reservekey, nullptr, state));
CMutableTransaction blocktx;
{
LOCK(wallet->cs_wallet);
blocktx = CMutableTransaction(*wallet->mapWallet.at(tx->GetHash()).tx);
}
CreateAndProcessBlock({CMutableTransaction(blocktx)}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
LOCK(wallet->cs_wallet);
auto it = wallet->mapWallet.find(tx->GetHash());
BOOST_CHECK(it != wallet->mapWallet.end());
it->second.SetMerkleBranch(chainActive.Tip(), 1);
return it->second;
}
void CMasternode::Check(bool forceCheck)
{
if(ShutdownRequested()) return;
if(!forceCheck && (GetTime() - lastTimeChecked < MASTERNODE_CHECK_SECONDS)) return;
lastTimeChecked = GetTime();
//once spent, stop doing the checks
if(activeState == MASTERNODE_VIN_SPENT) return;
if(lastPing.sigTime - sigTime < MASTERNODE_MIN_MNP_SECONDS){
activeState = MASTERNODE_PRE_ENABLED;
return;
}
if(!IsPingedWithin(MASTERNODE_REMOVAL_SECONDS)){
activeState = MASTERNODE_REMOVE;
return;
}
if(!IsPingedWithin(MASTERNODE_EXPIRATION_SECONDS)){
activeState = MASTERNODE_EXPIRED;
return;
}
if(!unitTest){
CValidationState state;
CMutableTransaction tx = CMutableTransaction();
CTxOut vout = CTxOut(999.99*COIN, darkSendPool.collateralPubKey);
tx.vin.push_back(vin);
tx.vout.push_back(vout);
{
TRY_LOCK(cs_main, lockMain);
if(!lockMain) return;
if(!AcceptableInputs(mempool, state, CTransaction(tx), false, NULL)){
activeState = MASTERNODE_VIN_SPENT;
return;
}
}
}
activeState = MASTERNODE_ENABLED; // OK
}
MultisigDialog::MultisigDialog(QWidget* parent) : QDialog(parent),
ui(new Ui::MultisigDialog),
model(0)
{
ui->setupUi(this);
multisigTx = CMutableTransaction();
//flag to show keyScrollArea on first priv key added
isFirstPrivKey = true;
isFirstRawTx = true;
ui->keyScrollArea->hide();
ui->txInputsScrollArea->hide();
connect(ui->commitButton, SIGNAL(clicked()), this, SLOT(commitMultisigTx()));
//populate lists with initial objects
on_addAddressButton_clicked();
on_addAddressButton_clicked();
on_addDestinationButton_clicked();
this->setStyleSheet(GUIUtil::loadStyleSheet());
}
bool CMasternodeBroadcast::CheckInputsAndAdd(int& nDoS)
{
// we are a masternode with the same vin (i.e. already activated) and this mnb is ours (matches our Masternode privkey)
// so nothing to do here for us
if(fMasterNode && vin.prevout == activeMasternode.vin.prevout && pubkey2 == activeMasternode.pubKeyMasternode)
return true;
// search existing Masternode list
CMasternode* pmn = mnodeman.Find(vin);
if(pmn != NULL) {
// nothing to do here if we already know about this masternode and it's enabled
if(pmn->IsEnabled()) return true;
// if it's not enabled, remove old MN first and continue
else mnodeman.Remove(pmn->vin);
}
CValidationState state;
CMutableTransaction tx = CMutableTransaction();
CTxOut vout = CTxOut(999.99*COIN, darkSendPool.collateralPubKey);
tx.vin.push_back(vin);
tx.vout.push_back(vout);
{
TRY_LOCK(cs_main, lockMain);
if(!lockMain) {
// not mnb fault, let it to be checked again later
mnodeman.mapSeenMasternodeBroadcast.erase(GetHash());
masternodeSync.mapSeenSyncMNB.erase(GetHash());
return false;
}
if(!AcceptableInputs(mempool, state, CTransaction(tx), false, NULL)) {
//set nDos
state.IsInvalid(nDoS);
return false;
}
}
LogPrint("masternode", "mnb - Accepted Masternode entry\n");
if(GetInputAge(vin) < MASTERNODE_MIN_CONFIRMATIONS){
LogPrintf("mnb - Input must have at least %d confirmations\n", MASTERNODE_MIN_CONFIRMATIONS);
// maybe we miss few blocks, let this mnb to be checked again later
mnodeman.mapSeenMasternodeBroadcast.erase(GetHash());
masternodeSync.mapSeenSyncMNB.erase(GetHash());
return false;
}
// verify that sig time is legit in past
// should be at least not earlier than block when 1000 DASH tx got MASTERNODE_MIN_CONFIRMATIONS
uint256 hashBlock = 0;
CTransaction tx2;
GetTransaction(vin.prevout.hash, tx2, hashBlock, true);
BlockMap::iterator mi = mapBlockIndex.find(hashBlock);
if (mi != mapBlockIndex.end() && (*mi).second)
{
CBlockIndex* pMNIndex = (*mi).second; // block for 1000 DASH tx -> 1 confirmation
CBlockIndex* pConfIndex = chainActive[pMNIndex->nHeight + MASTERNODE_MIN_CONFIRMATIONS - 1]; // block where tx got MASTERNODE_MIN_CONFIRMATIONS
if(pConfIndex->GetBlockTime() > sigTime)
{
LogPrintf("mnb - Bad sigTime %d for Masternode %20s %105s (%i conf block is at %d)\n",
sigTime, addr.ToString(), vin.ToString(), MASTERNODE_MIN_CONFIRMATIONS, pConfIndex->GetBlockTime());
return false;
}
}
LogPrintf("mnb - Got NEW Masternode entry - %s - %s - %s - %lli \n", GetHash().ToString(), addr.ToString(), vin.ToString(), sigTime);
CMasternode mn(*this);
mnodeman.Add(mn);
// if it matches our Masternode privkey, then we've been remotely activated
if(pubkey2 == activeMasternode.pubKeyMasternode && protocolVersion == PROTOCOL_VERSION){
activeMasternode.EnableHotColdMasterNode(vin, addr);
}
bool isLocal = addr.IsRFC1918() || addr.IsLocal();
if(Params().NetworkID() == CBaseChainParams::REGTEST) isLocal = false;
if(!isLocal) Relay();
return true;
}
// Right now this is only testing eviction performance in an extremely small
// mempool. Code needs to be written to generate a much wider variety of
// unique transactions for a more meaningful performance measurement.
static void MempoolEviction(benchmark::State& state)
{
CMutableTransaction tx1 = CMutableTransaction();
tx1.vin.resize(1);
tx1.vin[0].scriptSig = CScript() << OP_1;
tx1.vout.resize(1);
tx1.vout[0].scriptPubKey = CScript() << OP_1 << OP_EQUAL;
tx1.vout[0].nValue = 10 * COIN;
CMutableTransaction tx2 = CMutableTransaction();
tx2.vin.resize(1);
tx2.vin[0].scriptSig = CScript() << OP_2;
tx2.vout.resize(1);
tx2.vout[0].scriptPubKey = CScript() << OP_2 << OP_EQUAL;
tx2.vout[0].nValue = 10 * COIN;
CMutableTransaction tx3 = CMutableTransaction();
tx3.vin.resize(1);
tx3.vin[0].prevout = COutPoint(tx2.GetHash(), 0);
tx3.vin[0].scriptSig = CScript() << OP_2;
tx3.vout.resize(1);
tx3.vout[0].scriptPubKey = CScript() << OP_3 << OP_EQUAL;
tx3.vout[0].nValue = 10 * COIN;
CMutableTransaction tx4 = CMutableTransaction();
tx4.vin.resize(2);
tx4.vin[0].prevout.SetNull();
tx4.vin[0].scriptSig = CScript() << OP_4;
tx4.vin[1].prevout.SetNull();
tx4.vin[1].scriptSig = CScript() << OP_4;
tx4.vout.resize(2);
tx4.vout[0].scriptPubKey = CScript() << OP_4 << OP_EQUAL;
tx4.vout[0].nValue = 10 * COIN;
tx4.vout[1].scriptPubKey = CScript() << OP_4 << OP_EQUAL;
tx4.vout[1].nValue = 10 * COIN;
CMutableTransaction tx5 = CMutableTransaction();
tx5.vin.resize(2);
tx5.vin[0].prevout = COutPoint(tx4.GetHash(), 0);
tx5.vin[0].scriptSig = CScript() << OP_4;
tx5.vin[1].prevout.SetNull();
tx5.vin[1].scriptSig = CScript() << OP_5;
tx5.vout.resize(2);
tx5.vout[0].scriptPubKey = CScript() << OP_5 << OP_EQUAL;
tx5.vout[0].nValue = 10 * COIN;
tx5.vout[1].scriptPubKey = CScript() << OP_5 << OP_EQUAL;
tx5.vout[1].nValue = 10 * COIN;
CMutableTransaction tx6 = CMutableTransaction();
tx6.vin.resize(2);
tx6.vin[0].prevout = COutPoint(tx4.GetHash(), 1);
tx6.vin[0].scriptSig = CScript() << OP_4;
tx6.vin[1].prevout.SetNull();
tx6.vin[1].scriptSig = CScript() << OP_6;
tx6.vout.resize(2);
tx6.vout[0].scriptPubKey = CScript() << OP_6 << OP_EQUAL;
tx6.vout[0].nValue = 10 * COIN;
tx6.vout[1].scriptPubKey = CScript() << OP_6 << OP_EQUAL;
tx6.vout[1].nValue = 10 * COIN;
CMutableTransaction tx7 = CMutableTransaction();
tx7.vin.resize(2);
tx7.vin[0].prevout = COutPoint(tx5.GetHash(), 0);
tx7.vin[0].scriptSig = CScript() << OP_5;
tx7.vin[1].prevout = COutPoint(tx6.GetHash(), 0);
tx7.vin[1].scriptSig = CScript() << OP_6;
tx7.vout.resize(2);
tx7.vout[0].scriptPubKey = CScript() << OP_7 << OP_EQUAL;
tx7.vout[0].nValue = 10 * COIN;
tx7.vout[1].scriptPubKey = CScript() << OP_7 << OP_EQUAL;
tx7.vout[1].nValue = 10 * COIN;
CTxMemPool pool(CFeeRate(1000));
while (state.KeepRunning()) {
AddTx(tx1, 10000LL, pool);
AddTx(tx2, 5000LL, pool);
AddTx(tx3, 20000LL, pool);
AddTx(tx4, 7000LL, pool);
AddTx(tx5, 1000LL, pool);
AddTx(tx6, 1100LL, pool);
AddTx(tx7, 9000LL, pool);
pool.TrimToSize(pool.DynamicMemoryUsage() * 3 / 4);
pool.TrimToSize(GetVirtualTransactionSize(tx1));
}
}
//spend
void MultisigDialog::on_createButton_clicked()
{
if(!model)
return;
vector<CTxIn> vUserIn;
vector<CTxOut> vUserOut;
try{
//Add inputs from Coin Control if any are selected
if (CoinControlDialog::coinControl->HasSelected()) {
vector<COutPoint> vSelected;
CoinControlDialog::coinControl->ListSelected(vSelected);
for (auto outpoint : vSelected)
vUserIn.emplace_back(CTxIn(outpoint));
}else{//check for raw inputs
for(int i = 0; i < ui->inputsList->count(); i++){
QWidget* input = qobject_cast<QWidget*>(ui->inputsList->itemAt(i)->widget());
QLineEdit* txIdLine = input->findChild<QLineEdit*>("txInputId");
if(txIdLine->text().isEmpty()){
ui->createButtonStatus->setStyleSheet("QLabel { color: red; }");
ui->createButtonStatus->setText(tr("Invalid Tx Hash."));
return;
}
QSpinBox* txVoutLine = input->findChild<QSpinBox*>("txInputVout");
int nOutput = txVoutLine->value();
if(nOutput < 0){
ui->createButtonStatus->setStyleSheet("QLabel { color: red; }");
ui->createButtonStatus->setText(tr("Vout position must be positive."));
return;
}
uint256 txid = uint256S(txIdLine->text().toStdString());
CTxIn in(COutPoint(txid, nOutput));
vUserIn.emplace_back(in);
}
}
//validate destinations
bool validInput = true;
for(int i = 0; i < ui->destinationsList->count(); i++){
QWidget* dest = qobject_cast<QWidget*>(ui->destinationsList->itemAt(i)->widget());
QValidatedLineEdit* addr = dest->findChild<QValidatedLineEdit*>("destinationAddress");
BitcoinAmountField* amt = dest->findChild<BitcoinAmountField*>("destinationAmount");
CBitcoinAddress address;
bool validDest = true;
if(!model->validateAddress(addr->text())){
addr->setValid(false);
validDest = false;
}else{
address = CBitcoinAddress(addr->text().toStdString());
}
if(!amt->validate()){
amt->setValid(false);
validDest = false;
}
if(!validDest){
validInput = false;
continue;
}
CScript scriptPubKey = GetScriptForDestination(address.Get());
CTxOut out(amt->value(), scriptPubKey);
vUserOut.push_back(out);
}
//if all user data valid create a multisig tx
if(validInput){
//clear member variable
multisigTx = CMutableTransaction();
string error;
string fee;
if(!createMultisigTransaction(vUserIn, vUserOut, fee, error)){
throw runtime_error(error);
}
//display status string
ui->createButtonStatus->setStyleSheet("QTextEdit{ color: black }");
QString status(strprintf("Transaction has successfully created with a fee of %s.\n"
"The transaction has been automatically imported to the sign tab.\n"
"Please continue on to sign the tx from this wallet, to access the hex to send to other owners.", fee).c_str());
ui->createButtonStatus->setText(status);
ui->transactionHex->setText(QString::fromStdString(EncodeHexTx(multisigTx)));
}
}catch(const runtime_error& e){
ui->createButtonStatus->setStyleSheet("QTextEdit{ color: red }");
ui->createButtonStatus->setText(tr(e.what()));
}
}