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walletmodel.cpp
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walletmodel.cpp
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// Copyright (c) 2011-2014 The Bitcoin developers
// Copyright (c) 2014-2015 The Dash developers
// Copyright (c) 2015-2020 The PIVX developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "walletmodel.h"
#include "init.h" // for ShutdownRequested()
#include "interfaces/handler.h"
#include "sapling/key_io_sapling.h"
#include "sapling/sapling_operation.h"
#include "sapling/transaction_builder.h"
#include "spork.h"
#include "qt/addresstablemodel.h"
#include "qt/clientmodel.h"
#include "qt/guiconstants.h"
#include "qt/optionsmodel.h"
#include "qt/recentrequeststablemodel.h"
#include "qt/transactiontablemodel.h"
#include "qt/walletmodeltransaction.h"
#include <stdint.h>
#include <iostream>
#include <QtConcurrent/QtConcurrent>
#include <QSet>
#include <QTimer>
WalletModel::WalletModel(CWallet* wallet, OptionsModel* optionsModel, QObject* parent) : QObject(parent), wallet(wallet), walletWrapper(*wallet),
optionsModel(optionsModel),
cachedEncryptionStatus(Unencrypted),
cachedNumBlocks(0)
{
fHaveWatchOnly = wallet->HaveWatchOnly();
fForceCheckBalanceChanged = false;
addressTableModel = new AddressTableModel(wallet, this);
transactionTableModel = new TransactionTableModel(wallet, this);
recentRequestsTableModel = new RecentRequestsTableModel(wallet, this);
// This timer will be fired repeatedly to update the balance
pollTimer = new QTimer(this);
connect(pollTimer, &QTimer::timeout, this, &WalletModel::pollBalanceChanged);
pollTimer->start(MODEL_UPDATE_DELAY * 5);
subscribeToCoreSignals();
}
WalletModel::~WalletModel()
{
unsubscribeFromCoreSignals();
}
void WalletModel::resetWalletOptions(QSettings& settings)
{
setWalletStakeSplitThreshold(CWallet::DEFAULT_STAKE_SPLIT_THRESHOLD);
setWalletCustomFee(false, DEFAULT_TRANSACTION_FEE);
optionsModel->setWalletDefaultOptions(settings, false);
}
bool WalletModel::isTestNetwork() const
{
return Params().IsTestnet();
}
bool WalletModel::isRegTestNetwork() const
{
return Params().IsRegTestNet();
}
bool WalletModel::isShutdownRequested()
{
return ShutdownRequested();
}
bool WalletModel::isColdStakingNetworkelyEnabled() const
{
return !sporkManager.IsSporkActive(SPORK_19_COLDSTAKING_MAINTENANCE);
}
bool WalletModel::isSaplingInMaintenance() const
{
return sporkManager.IsSporkActive(SPORK_20_SAPLING_MAINTENANCE);
}
bool WalletModel::isV6Enforced() const
{
return Params().GetConsensus().NetworkUpgradeActive(cachedNumBlocks, Consensus::UPGRADE_V6_0);
}
bool WalletModel::isStakingStatusActive() const
{
return wallet && wallet->pStakerStatus && wallet->pStakerStatus->IsActive();
}
bool WalletModel::isHDEnabled() const
{
return wallet->IsHDEnabled();
}
bool WalletModel::isSaplingWalletEnabled() const
{
return wallet->IsSaplingUpgradeEnabled();
}
bool WalletModel::upgradeWallet(std::string& upgradeError)
{
// This action must be performed in a separate thread and not the main one.
LOCK2(cs_main, wallet->cs_wallet);
// Get version
int prev_version = wallet->GetVersion();
// Upgrade wallet's version
wallet->SetMinVersion(FEATURE_LATEST);
wallet->SetMaxVersion(FEATURE_LATEST);
// Upgrade to HD
return wallet->Upgrade(upgradeError, prev_version);
}
QString WalletModel::getWalletPath()
{
return QString::fromStdString(GetDataDir().string() + QDir::separator().toLatin1() + wallet->GetName());
}
CAmount WalletModel::getBalance(const CCoinControl* coinControl, bool fIncludeDelegated, bool fUnlockedOnly, bool fIncludeShielded) const
{
if (coinControl) {
CAmount nBalance = 0;
CWallet::AvailableCoinsFilter coinsFilter;
coinsFilter.fIncludeDelegated = fIncludeDelegated;
std::vector<COutput> vCoins;
wallet->AvailableCoins(&vCoins, coinControl, coinsFilter);
for (const COutput& out : vCoins) {
bool fSkip = fUnlockedOnly && isLockedCoin(out.tx->GetHash(), out.i);
if (out.fSpendable && !fSkip)
nBalance += out.tx->tx->vout[out.i].nValue;
}
return nBalance;
}
return wallet->GetAvailableBalance(fIncludeDelegated, fIncludeShielded) - (fUnlockedOnly ? wallet->GetLockedCoins() : CAmount(0));
}
CAmount WalletModel::getUnlockedBalance(const CCoinControl* coinControl, bool fIncludeDelegated, bool fIncludeShielded) const
{
return getBalance(coinControl, fIncludeDelegated, true, fIncludeShielded);
}
CAmount WalletModel::getMinColdStakingAmount() const
{
return MIN_COLDSTAKING_AMOUNT;
}
CAmount WalletModel::getLockedBalance() const
{
return wallet->GetLockedCoins();
}
bool WalletModel::haveWatchOnly() const
{
return fHaveWatchOnly;
}
CAmount WalletModel::getDelegatedBalance() const
{
return wallet->GetDelegatedBalance();
}
bool WalletModel::isColdStaking() const
{
// TODO: Complete me..
return false;
}
void WalletModel::getAvailableP2CSCoins(std::vector<COutput>& vCoins) const
{
return wallet->GetAvailableP2CSCoins(vCoins);
}
void WalletModel::updateStatus()
{
if (!wallet) return;
EncryptionStatus newEncryptionStatus = getEncryptionStatus();
if (cachedEncryptionStatus != newEncryptionStatus)
Q_EMIT encryptionStatusChanged(newEncryptionStatus);
}
bool WalletModel::isWalletUnlocked() const
{
if (!wallet) return false;
EncryptionStatus status = getEncryptionStatus();
return (status == Unencrypted || status == Unlocked);
}
bool WalletModel::isWalletLocked(bool fFullUnlocked) const
{
if (!wallet) return false;
EncryptionStatus status = getEncryptionStatus();
return (status == Locked || (!fFullUnlocked && status == UnlockedForStaking));
}
static bool IsImportingOrReindexing()
{
return fImporting || fReindex;
}
std::atomic<bool> processingBalance{false};
bool WalletModel::processBalanceChangeInternal()
{
int chainHeight = getLastBlockProcessedNum();
const uint256& blockHash = getLastBlockProcessed();
// Avoid recomputing wallet balances unless a tx changed or BlockTip notification was received.
// Extra note: This needs to be done before and after the update task trigger and execution because, as it runs concurrently,
// there is no guarantee that the threadpool will execute the task right away.
if (!fForceCheckBalanceChanged && m_cached_best_block_hash == blockHash) return false;
// Try to get lock only if needed
TRY_LOCK(wallet->cs_wallet, lockWallet);
if (!lockWallet) return false;
setfForceCheckBalanceChanged(false);
// Balance and number of transactions might have changed
setCacheNumBlocks(chainHeight);
setCacheBlockHash(blockHash);
checkBalanceChanged(getBalances());
QMetaObject::invokeMethod(this, "updateTxModelData", Qt::QueuedConnection);
QMetaObject::invokeMethod(this, "pollFinished", Qt::QueuedConnection);
// Address in receive tab may have been used
Q_EMIT notifyReceiveAddressChanged();
return true;
}
static void processBalanceChange(WalletModel* walletModel)
{
if (!walletModel || !walletModel->processBalanceChangeInternal()) {
processingBalance = false;
}
}
void WalletModel::pollBalanceChanged()
{
if (processingBalance || !m_client_model) return;
// Wait a little bit more when the wallet is reindexing and/or importing, no need to lock cs_main so often.
if (IsImportingOrReindexing() || m_client_model->inInitialBlockDownload()) {
static uint8_t waitLonger = 0;
waitLonger++;
if (waitLonger < 6) // 30 seconds
return;
waitLonger = 0;
}
// Don't continue processing if the chain tip time is less than the first
// key creation time as there is no need to iterate over the transaction
// table model in this case.
int64_t blockTime = clientModel().getLastBlockProcessedTime();
if (blockTime < getCreationTime())
return;
// Avoid recomputing wallet balances unless a tx changed or
// BlockTip notification was received.
if (!fForceCheckBalanceChanged && m_cached_best_block_hash == getLastBlockProcessed()) return;
processingBalance = true;
pollFuture = QtConcurrent::run(processBalanceChange, this);
}
void WalletModel::updateTxModelData()
{
if (transactionTableModel) {
transactionTableModel->updateConfirmations();
}
}
void WalletModel::emitBalanceChanged()
{
// Force update of UI elements even when no values have changed
Q_EMIT balanceChanged(getBalances());
}
void WalletModel::checkBalanceChanged(const interfaces::WalletBalances& newBalance)
{
if (newBalance.balanceChanged(m_cached_balances)) {
m_cached_balances = newBalance;
QMetaObject::invokeMethod(this, "balanceNotify", Qt::QueuedConnection);
}
}
void WalletModel::balanceNotify()
{
Q_EMIT balanceChanged(m_cached_balances);
}
void WalletModel::pollFinished()
{
processingBalance = false;
}
void WalletModel::stop()
{
if(pollFuture.isRunning()) {
pollFuture.cancel();
pollFuture.setPaused(true);
}
}
void WalletModel::setWalletDefaultFee(CAmount fee)
{
payTxFee = CFeeRate(fee);
}
bool WalletModel::hasWalletCustomFee()
{
LOCK(wallet->cs_wallet);
return wallet->fUseCustomFee;
}
bool WalletModel::getWalletCustomFee(CAmount& nFeeRet)
{
LOCK(wallet->cs_wallet);
nFeeRet = wallet->nCustomFee;
return wallet->fUseCustomFee;
}
void WalletModel::setWalletCustomFee(bool fUseCustomFee, const CAmount nFee)
{
LOCK(wallet->cs_wallet);
CWalletDB db(wallet->GetDBHandle());
if (wallet->fUseCustomFee != fUseCustomFee) {
wallet->fUseCustomFee = fUseCustomFee;
db.WriteUseCustomFee(fUseCustomFee);
}
if (wallet->nCustomFee != nFee) {
wallet->nCustomFee = nFee;
db.WriteCustomFeeValue(nFee);
}
}
void WalletModel::setWalletStakeSplitThreshold(const CAmount nStakeSplitThreshold)
{
wallet->SetStakeSplitThreshold(nStakeSplitThreshold);
}
CAmount WalletModel::getWalletStakeSplitThreshold() const
{
return wallet->GetStakeSplitThreshold();
}
/* returns default minimum value for stake split threshold as doulbe */
double WalletModel::getSSTMinimum() const
{
return static_cast<double>(CWallet::minStakeSplitThreshold) / COIN;
}
void WalletModel::updateTransaction()
{
// Balance and number of transactions might have changed
fForceCheckBalanceChanged = true;
}
void WalletModel::updateAddressBook(const QString& address, const QString& label, bool isMine, const QString& purpose, int status)
{
try {
if (addressTableModel)
addressTableModel->updateEntry(address, label, isMine, purpose, status);
} catch (...) {
std::cout << "Exception updateAddressBook" << std::endl;
}
}
void WalletModel::updateWatchOnlyFlag(bool fHaveWatchonly)
{
fHaveWatchOnly = fHaveWatchonly;
Q_EMIT notifyWatchonlyChanged(fHaveWatchonly);
}
bool WalletModel::validateAddress(const QString& address)
{
// Only regular base58 addresses and shielded addresses accepted here
bool isStaking = false;
CWDestination dest = Standard::DecodeDestination(address.toStdString(), isStaking);
const auto regDest = boost::get<CTxDestination>(&dest);
if (regDest && IsValidDestination(*regDest) && isStaking) return false;
return Standard::IsValidDestination(dest);
}
bool WalletModel::validateAddress(const QString& address, bool fStaking)
{
return IsValidDestinationString(address.toStdString(), fStaking);
}
bool WalletModel::validateAddress(const QString& address, bool fStaking, bool& isShielded)
{
bool isStaking = false;
CWDestination dest = Standard::DecodeDestination(address.toStdString(), isStaking);
if (IsShieldedDestination(dest)) {
isShielded = true;
return true;
}
return Standard::IsValidDestination(dest) && (isStaking == fStaking);
}
bool WalletModel::updateAddressBookLabels(const CWDestination& dest, const std::string& strName, const std::string& strPurpose)
{
auto optAdd = wallet->GetAddressBookEntry(dest);
// Check if we have a new address or an updated label
if (!optAdd) {
return wallet->SetAddressBook(dest, strName, strPurpose);
} else if (optAdd->name != strName) {
return wallet->SetAddressBook(dest, strName, ""); // "" means don't change purpose
}
return false;
}
bool WalletModel::addKeys(const CKey& key, const CPubKey& pubkey, WalletRescanReserver& reserver)
{
{
LOCK(wallet->cs_wallet);
wallet->mapKeyMetadata[pubkey.GetID()].nCreateTime = 1;
if (!wallet->AddKeyPubKey(key, pubkey)) {
return false;
}
// whenever a key is imported, we need to scan the whole chain
wallet->nTimeFirstKey = 1; // 0 would be considered 'no value'
}
CBlockIndex* pindexGenesis = WITH_LOCK(cs_main, return chainActive.Genesis(); );
wallet->ScanForWalletTransactions(pindexGenesis, nullptr, reserver, true);
return true;
}
WalletModel::SendCoinsReturn WalletModel::prepareTransaction(WalletModelTransaction* transaction, const CCoinControl* coinControl, bool fIncludeDelegations)
{
CAmount total = 0;
QList<SendCoinsRecipient> recipients = transaction->getRecipients();
std::vector<CRecipient> vecSend;
if (recipients.empty()) {
return OK;
}
if (isStakingOnlyUnlocked()) {
return StakingOnlyUnlocked;
}
QSet<QString> setAddress; // Used to detect duplicates
int nAddresses = 0;
// Pre-check input data for validity
for (const SendCoinsRecipient& rcp : recipients) {
{ // User-entered pivx address / amount:
if (!validateAddress(rcp.address, rcp.isP2CS)) {
return InvalidAddress;
}
if (rcp.amount <= 0) {
return InvalidAmount;
}
setAddress.insert(rcp.address);
++nAddresses;
CScript scriptPubKey;
CTxDestination out = DecodeDestination(rcp.address.toStdString());
if (rcp.isP2CS) {
Destination ownerAdd;
if (rcp.ownerAddress.isEmpty()) {
// Create new internal owner address
if (!getNewAddress(ownerAdd).result)
return CannotCreateInternalAddress;
} else {
ownerAdd = Destination(DecodeDestination(rcp.ownerAddress.toStdString()), false);
}
const CKeyID* stakerId = boost::get<CKeyID>(&out);
const CKeyID* ownerId = boost::get<CKeyID>(&ownerAdd.dest);
if (!stakerId || !ownerId) {
return InvalidAddress;
}
scriptPubKey = isV6Enforced() ? GetScriptForStakeDelegation(*stakerId, *ownerId)
: GetScriptForStakeDelegationLOF(*stakerId, *ownerId);
} else {
// Regular P2PK or P2PKH
scriptPubKey = GetScriptForDestination(out);
}
vecSend.emplace_back(scriptPubKey, rcp.amount, rcp.fSubtractFee);
total += rcp.amount;
}
}
if (setAddress.size() != nAddresses) {
return DuplicateAddress;
}
CAmount nSpendableBalance = getUnlockedBalance(coinControl, fIncludeDelegations);
if (total > nSpendableBalance) {
return AmountExceedsBalance;
}
{
LOCK2(cs_main, wallet->cs_wallet);
CReserveKey* keyChange = transaction->newPossibleKeyChange(wallet);
CAmount nFeeRequired = 0;
int nChangePosInOut = -1;
std::string strFailReason;
bool fCreated = wallet->CreateTransaction(vecSend,
transaction->getTransaction(),
*keyChange,
nFeeRequired,
nChangePosInOut,
strFailReason,
coinControl,
true,
0,
fIncludeDelegations,
&transaction->fIsStakeDelegationVoided);
transaction->setTransactionFee(nFeeRequired);
if (!fCreated) {
if ((total + nFeeRequired) > nSpendableBalance) {
return SendCoinsReturn(AmountWithFeeExceedsBalance);
}
Q_EMIT message(tr("Send Coins"), tr("Transaction creation failed!\n%1").arg(
strFailReason == "Transaction too large" ?
tr("The size of the transaction is too big.\nSelect fewer inputs with coin control.") :
QString::fromStdString(strFailReason)),
CClientUIInterface::MSG_ERROR);
return TransactionCreationFailed;
}
// reject insane fee
if (nFeeRequired > ::minRelayTxFee.GetFee(transaction->getTransactionSize()) * 10000)
return InsaneFee;
}
return SendCoinsReturn(OK);
}
WalletModel::SendCoinsReturn WalletModel::sendCoins(WalletModelTransaction& transaction)
{
bool fColdStakingActive = isColdStakingNetworkelyEnabled();
// Double check the tx before doing anything
CTransactionRef& newTx = transaction.getTransaction();
CValidationState state;
if (!CheckTransaction(*newTx, state, fColdStakingActive)) {
return TransactionCheckFailed;
}
QByteArray transaction_array; /* store serialized transaction */
{
LOCK2(cs_main, wallet->cs_wallet);
QList<SendCoinsRecipient> recipients = transaction.getRecipients();
CReserveKey* keyChange = transaction.getPossibleKeyChange();
const CWallet::CommitResult& res = wallet->CommitTransaction(newTx, keyChange, g_connman.get());
if (res.status != CWallet::CommitStatus::OK) {
return SendCoinsReturn(res);
}
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
ssTx << *newTx;
transaction_array.append(&(ssTx[0]), ssTx.size());
}
// Add addresses / update labels that we've sent to to the address book,
// and emit coinsSent signal for each recipient
for (const SendCoinsRecipient& rcp : transaction.getRecipients()) {
// Don't touch the address book when we have a payment request
{
bool isStaking = false;
bool isShielded = false;
auto address = Standard::DecodeDestination(rcp.address.toStdString(), isStaking, isShielded);
std::string purpose = isShielded ? AddressBook::AddressBookPurpose::SHIELDED_SEND :
isStaking ? AddressBook::AddressBookPurpose::COLD_STAKING_SEND : AddressBook::AddressBookPurpose::SEND;
std::string strLabel = rcp.label.toStdString();
updateAddressBookLabels(address, strLabel, purpose);
}
Q_EMIT coinsSent(wallet, rcp, transaction_array);
}
emitBalanceChanged(); // update balance immediately, otherwise there could be a short noticeable delay until pollBalanceChanged hits
return SendCoinsReturn(OK);
}
OperationResult WalletModel::PrepareShieldedTransaction(WalletModelTransaction* modelTransaction,
bool fromTransparent,
const CCoinControl* coinControl)
{
// Load shieldedAddrRecipients.
std::vector<SendManyRecipient> recipients;
for (const auto& recipient : modelTransaction->getRecipients()) {
bool fSubtractFeeFromAmount = recipient.fSubtractFee;
if (recipient.isShieldedAddr) {
auto pa = KeyIO::DecodeSaplingPaymentAddress(recipient.address.toStdString());
if (!pa) return errorOut("Error, invalid shielded address");
recipients.emplace_back(*pa, recipient.amount, recipient.message.toStdString(), fSubtractFeeFromAmount);
} else {
auto dest = DecodeDestination(recipient.address.toStdString());
if (!IsValidDestination(dest)) return errorOut("Error, invalid transparent address");
recipients.emplace_back(dest, recipient.amount, fSubtractFeeFromAmount);
}
}
// Now check the transaction size
auto opResult = CheckTransactionSize(recipients, true);
if (!opResult) return opResult;
// Create the operation
int nextBlockHeight = cachedNumBlocks + 1;
SaplingOperation operation(Params().GetConsensus(), nextBlockHeight, wallet);
auto operationResult = operation.setRecipients(recipients)
->setTransparentKeyChange(modelTransaction->getPossibleKeyChange())
->setSelectTransparentCoins(fromTransparent)
->setSelectShieldedCoins(!fromTransparent)
->setCoinControl(coinControl)
->setMinDepth(fromTransparent ? 1 : 5)
->build();
if (!operationResult) {
return operationResult;
}
// load the transaction and key change (if needed)
CTransactionRef& txRef = modelTransaction->getTransaction();
txRef = MakeTransactionRef(operation.getFinalTx());
modelTransaction->setTransactionFee(operation.getFee()); // in the future, fee will be dynamically calculated.
return operationResult;
}
const CWalletTx* WalletModel::getTx(uint256 id)
{
return wallet->GetWalletTx(id);
}
OptionsModel* WalletModel::getOptionsModel()
{
return optionsModel;
}
AddressTableModel* WalletModel::getAddressTableModel()
{
return addressTableModel;
}
TransactionTableModel* WalletModel::getTransactionTableModel()
{
return transactionTableModel;
}
RecentRequestsTableModel* WalletModel::getRecentRequestsTableModel()
{
return recentRequestsTableModel;
}
WalletModel::EncryptionStatus WalletModel::getEncryptionStatus() const
{
if (!wallet) throw std::runtime_error("Error, cannot get encryption status. Wallet doesn't exist");
if (!wallet->IsCrypted()) {
return Unencrypted;
} else if (wallet->fWalletUnlockStaking) {
return UnlockedForStaking;
} else if (wallet->IsLocked()) {
return Locked;
} else {
return Unlocked;
}
}
bool WalletModel::setWalletEncrypted(bool encrypted, const SecureString& passphrase)
{
if (encrypted) {
// Encrypt
return wallet->EncryptWallet(passphrase);
} else {
// Decrypt -- TODO; not supported yet
return false;
}
}
bool WalletModel::setWalletLocked(bool locked, const SecureString& passPhrase, bool stakingOnly)
{
if (locked) {
// Lock
wallet->fWalletUnlockStaking = false;
return wallet->Lock();
} else {
// Unlock
return wallet->Unlock(passPhrase, stakingOnly);
}
}
bool WalletModel::lockForStakingOnly(const SecureString& passPhrase)
{
if (!wallet->IsLocked()) {
wallet->fWalletUnlockStaking = true;
return true;
} else {
setWalletLocked(false, passPhrase, true);
}
return false;
}
bool WalletModel::isStakingOnlyUnlocked()
{
return wallet->fWalletUnlockStaking;
}
bool WalletModel::changePassphrase(const SecureString& oldPass, const SecureString& newPass)
{
bool retval;
{
LOCK(wallet->cs_wallet);
wallet->Lock(); // Make sure wallet is locked before attempting pass change
retval = wallet->ChangeWalletPassphrase(oldPass, newPass);
}
return retval;
}
bool WalletModel::backupWallet(const QString& filename)
{
// Attempt regular backup
if (!wallet->BackupWallet(filename.toLocal8Bit().data())) {
return error("ERROR: Failed to backup wallet!");
}
return true;
}
// Handlers for core signals
static void NotifyKeyStoreStatusChanged(WalletModel* walletmodel)
{
qDebug() << "NotifyKeyStoreStatusChanged";
QMetaObject::invokeMethod(walletmodel, "updateStatus", Qt::QueuedConnection);
}
static void NotifyAddressBookChanged(WalletModel* walletmodel, CWallet* wallet, const CWDestination& address, const std::string& label, bool isMine, const std::string& purpose, ChangeType status)
{
QString strAddress = QString::fromStdString(wallet->ParseIntoAddress(address, purpose));
QString strLabel = QString::fromStdString(label);
QString strPurpose = QString::fromStdString(purpose);
qDebug() << "NotifyAddressBookChanged : " + strAddress + " " + strLabel + " isMine=" + QString::number(isMine) + " purpose=" + strPurpose + " status=" + QString::number(status);
QMetaObject::invokeMethod(walletmodel, "updateAddressBook", Qt::QueuedConnection,
Q_ARG(QString, strAddress),
Q_ARG(QString, strLabel),
Q_ARG(bool, isMine),
Q_ARG(QString, strPurpose),
Q_ARG(int, status));
}
// queue notifications to show a non freezing progress dialog e.g. for rescan
static bool fQueueNotifications = false;
static std::vector<std::pair<uint256, ChangeType> > vQueueNotifications;
static void NotifyTransactionChanged(WalletModel* walletmodel, CWallet* wallet, const uint256& hash, ChangeType status)
{
if (fQueueNotifications) {
vQueueNotifications.emplace_back(hash, status);
return;
}
QString strHash = QString::fromStdString(hash.GetHex());
qDebug() << "NotifyTransactionChanged : " + strHash + " status= " + QString::number(status);
QMetaObject::invokeMethod(walletmodel, "updateTransaction", Qt::QueuedConnection /*,
Q_ARG(QString, strHash),
Q_ARG(int, status)*/);
}
static void ShowProgress(WalletModel* walletmodel, const std::string& title, int nProgress)
{
// emits signal "showProgress"
QMetaObject::invokeMethod(walletmodel, "showProgress", Qt::QueuedConnection,
Q_ARG(QString, QString::fromStdString(title)),
Q_ARG(int, nProgress));
}
static void NotifyWatchonlyChanged(WalletModel* walletmodel, bool fHaveWatchonly)
{
QMetaObject::invokeMethod(walletmodel, "updateWatchOnlyFlag", Qt::QueuedConnection,
Q_ARG(bool, fHaveWatchonly));
}
static void NotifySSTChanged(WalletModel* walletmodel, const CAmount stakeSplitThreshold)
{
const double val = static_cast<double>(stakeSplitThreshold) / COIN;
Q_EMIT walletmodel->notifySSTChanged(val);
}
static void NotifyWalletBacked(WalletModel* model, const bool& fSuccess, const std::string& filename)
{
std::string message;
std::string title = "Backup ";
CClientUIInterface::MessageBoxFlags method;
if (fSuccess) {
message = "The wallet data was successfully saved to ";
title += "Successful: ";
method = CClientUIInterface::MessageBoxFlags::MSG_INFORMATION;
} else {
message = "There was an error trying to save the wallet data to ";
title += "Failed: ";
method = CClientUIInterface::MessageBoxFlags::MSG_ERROR;
}
message += _(filename.data());
QMetaObject::invokeMethod(model, "message", Qt::QueuedConnection,
Q_ARG(QString, QString::fromStdString(title)),
Q_ARG(QString, QString::fromStdString(message)),
Q_ARG(unsigned int, (unsigned int)method));
}
void WalletModel::subscribeToCoreSignals()
{
// Connect signals to wallet
m_handler_notify_status_changed = interfaces::MakeHandler(wallet->NotifyStatusChanged.connect(std::bind(&NotifyKeyStoreStatusChanged, this)));
m_handler_notify_addressbook_changed = interfaces::MakeHandler(wallet->NotifyAddressBookChanged.connect(std::bind(NotifyAddressBookChanged, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4, std::placeholders::_5, std::placeholders::_6)));
m_handler_notify_sst_changed = interfaces::MakeHandler(wallet->NotifySSTChanged.connect(std::bind(NotifySSTChanged, this, std::placeholders::_1)));
m_handler_notify_transaction_changed = interfaces::MakeHandler(wallet->NotifyTransactionChanged.connect(std::bind(NotifyTransactionChanged, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3)));
m_handler_show_progress = interfaces::MakeHandler(wallet->ShowProgress.connect(std::bind(ShowProgress, this, std::placeholders::_1, std::placeholders::_2)));
m_handler_notify_watch_only_changed = interfaces::MakeHandler(wallet->NotifyWatchonlyChanged.connect(std::bind(NotifyWatchonlyChanged, this, std::placeholders::_1)));
m_handler_notify_walletbacked = interfaces::MakeHandler(wallet->NotifyWalletBacked.connect(std::bind(NotifyWalletBacked, this, std::placeholders::_1, std::placeholders::_2)));
}
void WalletModel::unsubscribeFromCoreSignals()
{
// Disconnect signals from wallet
m_handler_notify_status_changed->disconnect();
m_handler_notify_addressbook_changed->disconnect();
m_handler_notify_sst_changed->disconnect();
m_handler_notify_transaction_changed->disconnect();
m_handler_show_progress->disconnect();
m_handler_notify_watch_only_changed->disconnect();
m_handler_notify_walletbacked->disconnect();
}
// WalletModel::UnlockContext implementation
WalletModel::UnlockContext WalletModel::requestUnlock()
{
const WalletModel::EncryptionStatus status_before = getEncryptionStatus();
if (status_before == Locked || status_before == UnlockedForStaking)
{
// Request UI to unlock wallet
Q_EMIT requireUnlock();
}
// If wallet is still locked, unlock was failed or cancelled, mark context as invalid
bool valid = isWalletUnlocked();
return UnlockContext(this, valid, status_before);
}
WalletModel::UnlockContext::UnlockContext(WalletModel *_wallet, bool _valid, const WalletModel::EncryptionStatus& status_before):
wallet(_wallet),
valid(_valid),
was_status(status_before),
relock(status_before == Locked || status_before == UnlockedForStaking)
{
}
WalletModel::UnlockContext::~UnlockContext()
{
if (valid && relock && wallet) {
if (was_status == Locked) wallet->setWalletLocked(true);
else if (was_status == UnlockedForStaking) wallet->lockForStakingOnly();
wallet->updateStatus();
}
}
void WalletModel::UnlockContext::CopyFrom(UnlockContext&& rhs)
{
// Transfer context; old object no longer relocks wallet
*this = rhs;
rhs.relock = false;
}
bool WalletModel::getPubKey(const CKeyID& address, CPubKey& vchPubKeyOut) const
{
return wallet->GetPubKey(address, vchPubKeyOut);
}
int64_t WalletModel::getCreationTime() const {
return wallet->nTimeFirstKey;
}
int64_t WalletModel::getKeyCreationTime(const CPubKey& key)
{
return wallet->GetKeyCreationTime(key);
}
int64_t WalletModel::getKeyCreationTime(const CTxDestination& address)
{
if (this->isMine(address)) {
return wallet->GetKeyCreationTime(address);
}
return 0;
}
int64_t WalletModel::getKeyCreationTime(const std::string& address)
{
return wallet->GetKeyCreationTime(Standard::DecodeDestination(address));
}
int64_t WalletModel::getKeyCreationTime(const libzcash::SaplingPaymentAddress& address)
{
if (this->isMine(address)) {
return wallet->GetKeyCreationTime(address);
}
return 0;
}
PairResult WalletModel::getNewAddress(Destination& ret, std::string label) const
{
CTxDestination dest;
PairResult res = wallet->getNewAddress(dest, label);
if (res.result) ret = Destination(dest, false);
return res;
}
PairResult WalletModel::getNewStakingAddress(Destination& ret,std::string label) const
{
CTxDestination dest;
PairResult res = wallet->getNewStakingAddress(dest, label);
if (res.result) ret = Destination(dest, true);
return res;
}
PairResult WalletModel::getNewShieldedAddress(QString& shieldedAddrRet, std::string strLabel)
{
shieldedAddrRet = QString::fromStdString(
KeyIO::EncodePaymentAddress(wallet->GenerateNewSaplingZKey(strLabel)));
return PairResult(true);
}
bool WalletModel::whitelistAddressFromColdStaking(const QString &addressStr)
{
return updateAddressBookPurpose(addressStr, AddressBook::AddressBookPurpose::DELEGATOR);
}
bool WalletModel::blacklistAddressFromColdStaking(const QString &addressStr)
{
return updateAddressBookPurpose(addressStr, AddressBook::AddressBookPurpose::DELEGABLE);
}
bool WalletModel::updateAddressBookPurpose(const QString &addressStr, const std::string& purpose)
{
bool isStaking = false;
CTxDestination address = DecodeDestination(addressStr.toStdString(), isStaking);
if (isStaking)
return error("Invalid PIVX address, cold staking address");
CKeyID keyID;
if (!getKeyId(address, keyID))
return false;
return wallet->SetAddressBook(keyID, getLabelForAddress(address), purpose);
}
bool WalletModel::getKeyId(const CTxDestination& address, CKeyID& keyID)
{
if (!IsValidDestination(address))
return error("Invalid PIVX address");
const CKeyID* inKeyID = boost::get<CKeyID>(&address);
if (!inKeyID)
return error("Unable to get KeyID from PIVX address");
keyID = *inKeyID;
return true;
}
std::string WalletModel::getLabelForAddress(const CTxDestination& address)
{
std::string label = "";
label = wallet->GetNameForAddressBookEntry(address);
return label;
}
QString WalletModel::getSaplingAddressString(const CWalletTx* wtx, const SaplingOutPoint& op) const
{
Optional<libzcash::SaplingPaymentAddress> opAddr =
wallet->GetSaplingScriptPubKeyMan()->GetOutPointAddress(*wtx, op);
if (!opAddr) {
return QString();
}