735 lines
25 KiB
C++
735 lines
25 KiB
C++
// Copyright (c) 2011-2016 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "walletmodel.h"
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#include "addresstablemodel.h"
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#include "consensus/validation.h"
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#include "guiconstants.h"
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#include "guiutil.h"
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#include "paymentserver.h"
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#include "recentrequeststablemodel.h"
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#include "transactiontablemodel.h"
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#include "base58.h"
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#include "keystore.h"
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#include "validation.h"
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#include "net.h" // for g_connman
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#include "sync.h"
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#include "ui_interface.h"
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#include "util.h" // for GetBoolArg
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#include "wallet/wallet.h"
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#include "wallet/walletdb.h" // for BackupWallet
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#include <stdint.h>
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#include <QDebug>
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#include <QSet>
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#include <QTimer>
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#include <boost/bind/bind.hpp>
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#include <boost/foreach.hpp>
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WalletModel::WalletModel(const PlatformStyle *platformStyle, CWallet *_wallet, OptionsModel *_optionsModel, QObject *parent) :
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QObject(parent), wallet(_wallet), optionsModel(_optionsModel), addressTableModel(0),
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transactionTableModel(0),
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recentRequestsTableModel(0),
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cachedBalance(0), cachedUnconfirmedBalance(0), cachedImmatureBalance(0),
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cachedEncryptionStatus(Unencrypted),
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cachedNumBlocks(0)
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{
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fHaveWatchOnly = wallet->HaveWatchOnly();
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fForceCheckBalanceChanged = false;
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addressTableModel = new AddressTableModel(wallet, this);
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transactionTableModel = new TransactionTableModel(platformStyle, wallet, this);
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recentRequestsTableModel = new RecentRequestsTableModel(wallet, this);
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// This timer will be fired repeatedly to update the balance
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pollTimer = new QTimer(this);
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connect(pollTimer, SIGNAL(timeout()), this, SLOT(pollBalanceChanged()));
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pollTimer->start(MODEL_UPDATE_DELAY);
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subscribeToCoreSignals();
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}
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WalletModel::~WalletModel()
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{
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unsubscribeFromCoreSignals();
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}
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CAmount WalletModel::getBalance(const CCoinControl *coinControl) const
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{
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if (coinControl)
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{
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CAmount nBalance = 0;
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std::vector<COutput> vCoins;
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wallet->AvailableCoins(vCoins, true, coinControl);
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BOOST_FOREACH(const COutput& out, vCoins)
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if(out.fSpendable)
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nBalance += out.tx->tx->vout[out.i].nValue;
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return nBalance;
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}
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return wallet->GetBalance();
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}
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CAmount WalletModel::getUnconfirmedBalance() const
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{
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return wallet->GetUnconfirmedBalance();
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}
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CAmount WalletModel::getImmatureBalance() const
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{
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return wallet->GetImmatureBalance();
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}
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bool WalletModel::haveWatchOnly() const
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{
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return fHaveWatchOnly;
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}
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CAmount WalletModel::getWatchBalance() const
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{
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return wallet->GetWatchOnlyBalance();
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}
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CAmount WalletModel::getWatchUnconfirmedBalance() const
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{
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return wallet->GetUnconfirmedWatchOnlyBalance();
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}
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CAmount WalletModel::getWatchImmatureBalance() const
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{
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return wallet->GetImmatureWatchOnlyBalance();
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}
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void WalletModel::updateStatus()
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{
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EncryptionStatus newEncryptionStatus = getEncryptionStatus();
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if(cachedEncryptionStatus != newEncryptionStatus)
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Q_EMIT encryptionStatusChanged(newEncryptionStatus);
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}
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void WalletModel::pollBalanceChanged()
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{
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// Get required locks upfront. This avoids the GUI from getting stuck on
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// periodical polls if the core is holding the locks for a longer time -
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// for example, during a wallet rescan.
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TRY_LOCK(cs_main, lockMain);
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if(!lockMain)
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return;
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TRY_LOCK(wallet->cs_wallet, lockWallet);
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if(!lockWallet)
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return;
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if(fForceCheckBalanceChanged || chainActive.Height() != cachedNumBlocks)
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{
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fForceCheckBalanceChanged = false;
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// Balance and number of transactions might have changed
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cachedNumBlocks = chainActive.Height();
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checkBalanceChanged();
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if(transactionTableModel)
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transactionTableModel->updateConfirmations();
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}
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}
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void WalletModel::checkBalanceChanged()
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{
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CAmount newBalance = getBalance();
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CAmount newUnconfirmedBalance = getUnconfirmedBalance();
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CAmount newImmatureBalance = getImmatureBalance();
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CAmount newWatchOnlyBalance = 0;
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CAmount newWatchUnconfBalance = 0;
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CAmount newWatchImmatureBalance = 0;
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if (haveWatchOnly())
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{
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newWatchOnlyBalance = getWatchBalance();
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newWatchUnconfBalance = getWatchUnconfirmedBalance();
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newWatchImmatureBalance = getWatchImmatureBalance();
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}
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if(cachedBalance != newBalance || cachedUnconfirmedBalance != newUnconfirmedBalance || cachedImmatureBalance != newImmatureBalance ||
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cachedWatchOnlyBalance != newWatchOnlyBalance || cachedWatchUnconfBalance != newWatchUnconfBalance || cachedWatchImmatureBalance != newWatchImmatureBalance)
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{
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cachedBalance = newBalance;
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cachedUnconfirmedBalance = newUnconfirmedBalance;
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cachedImmatureBalance = newImmatureBalance;
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cachedWatchOnlyBalance = newWatchOnlyBalance;
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cachedWatchUnconfBalance = newWatchUnconfBalance;
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cachedWatchImmatureBalance = newWatchImmatureBalance;
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Q_EMIT balanceChanged(newBalance, newUnconfirmedBalance, newImmatureBalance,
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newWatchOnlyBalance, newWatchUnconfBalance, newWatchImmatureBalance);
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}
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}
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void WalletModel::updateTransaction()
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{
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// Balance and number of transactions might have changed
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fForceCheckBalanceChanged = true;
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}
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void WalletModel::updateAddressBook(const QString &address, const QString &label,
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bool isMine, const QString &purpose, int status)
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{
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if(addressTableModel)
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addressTableModel->updateEntry(address, label, isMine, purpose, status);
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}
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void WalletModel::updateWatchOnlyFlag(bool fHaveWatchonly)
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{
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fHaveWatchOnly = fHaveWatchonly;
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Q_EMIT notifyWatchonlyChanged(fHaveWatchonly);
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}
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bool WalletModel::validateAddress(const QString &address)
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{
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CBitcoinAddress addressParsed(address.toStdString());
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return addressParsed.IsValid();
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}
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WalletModel::SendCoinsReturn WalletModel::prepareTransaction(WalletModelTransaction &transaction, const CCoinControl *coinControl)
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{
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CAmount total = 0;
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bool fSubtractFeeFromAmount = false;
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QList<SendCoinsRecipient> recipients = transaction.getRecipients();
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std::vector<CRecipient> vecSend;
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if(recipients.empty())
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{
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return OK;
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}
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QSet<QString> setAddress; // Used to detect duplicates
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int nAddresses = 0;
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// Pre-check input data for validity
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Q_FOREACH(const SendCoinsRecipient &rcp, recipients)
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{
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if (rcp.fSubtractFeeFromAmount)
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fSubtractFeeFromAmount = true;
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if (rcp.paymentRequest.IsInitialized())
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{ // PaymentRequest...
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CAmount subtotal = 0;
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const payments::PaymentDetails& details = rcp.paymentRequest.getDetails();
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for (int i = 0; i < details.outputs_size(); i++)
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{
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const payments::Output& out = details.outputs(i);
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if (out.amount() <= 0) continue;
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subtotal += out.amount();
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const unsigned char* scriptStr = (const unsigned char*)out.script().data();
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CScript scriptPubKey(scriptStr, scriptStr+out.script().size());
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CAmount nAmount = out.amount();
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CRecipient recipient = {scriptPubKey, nAmount, rcp.fSubtractFeeFromAmount};
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vecSend.push_back(recipient);
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}
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if (subtotal <= 0)
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{
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return InvalidAmount;
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}
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total += subtotal;
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}
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else
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{ // User-entered bitcoin address / amount:
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if(!validateAddress(rcp.address))
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{
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return InvalidAddress;
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}
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if(rcp.amount <= 0)
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{
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return InvalidAmount;
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}
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setAddress.insert(rcp.address);
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++nAddresses;
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CScript scriptPubKey = GetScriptForDestination(CBitcoinAddress(rcp.address.toStdString()).Get());
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CRecipient recipient = {scriptPubKey, rcp.amount, rcp.fSubtractFeeFromAmount};
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vecSend.push_back(recipient);
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total += rcp.amount;
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}
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}
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if(setAddress.size() != nAddresses)
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{
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return DuplicateAddress;
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}
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CAmount nBalance = getBalance(coinControl);
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if(total > nBalance)
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{
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return AmountExceedsBalance;
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}
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{
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LOCK2(cs_main, wallet->cs_wallet);
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transaction.newPossibleKeyChange(wallet);
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CAmount nFeeRequired = 0;
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int nChangePosRet = -1;
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std::string strFailReason;
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CWalletTx *newTx = transaction.getTransaction();
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CReserveKey *keyChange = transaction.getPossibleKeyChange();
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bool fCreated = wallet->CreateTransaction(vecSend, *newTx, *keyChange, nFeeRequired, nChangePosRet, strFailReason, coinControl);
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transaction.setTransactionFee(nFeeRequired);
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if (fSubtractFeeFromAmount && fCreated)
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transaction.reassignAmounts(nChangePosRet);
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if(!fCreated)
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{
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if(!fSubtractFeeFromAmount && (total + nFeeRequired) > nBalance)
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{
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return SendCoinsReturn(AmountWithFeeExceedsBalance);
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}
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Q_EMIT message(tr("Send Coins"), QString::fromStdString(strFailReason),
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CClientUIInterface::MSG_ERROR);
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return TransactionCreationFailed;
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}
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// reject absurdly high fee. (This can never happen because the
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// wallet caps the fee at maxTxFee. This merely serves as a
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// belt-and-suspenders check)
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if (nFeeRequired > maxTxFee)
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return AbsurdFee;
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}
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return SendCoinsReturn(OK);
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}
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WalletModel::SendCoinsReturn WalletModel::sendCoins(WalletModelTransaction &transaction)
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{
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QByteArray transaction_array; /* store serialized transaction */
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{
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LOCK2(cs_main, wallet->cs_wallet);
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CWalletTx *newTx = transaction.getTransaction();
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Q_FOREACH(const SendCoinsRecipient &rcp, transaction.getRecipients())
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{
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if (rcp.paymentRequest.IsInitialized())
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{
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// Make sure any payment requests involved are still valid.
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if (PaymentServer::verifyExpired(rcp.paymentRequest.getDetails())) {
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return PaymentRequestExpired;
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}
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// Store PaymentRequests in wtx.vOrderForm in wallet.
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std::string key("PaymentRequest");
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std::string value;
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rcp.paymentRequest.SerializeToString(&value);
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newTx->vOrderForm.push_back(make_pair(key, value));
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}
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else if (!rcp.message.isEmpty()) // Message from normal bitcoin:URI (bitcoin:123...?message=example)
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newTx->vOrderForm.push_back(make_pair("Message", rcp.message.toStdString()));
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}
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CReserveKey *keyChange = transaction.getPossibleKeyChange();
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CValidationState state;
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if(!wallet->CommitTransaction(*newTx, *keyChange, g_connman.get(), state))
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return SendCoinsReturn(TransactionCommitFailed, QString::fromStdString(state.GetRejectReason()));
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CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
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ssTx << *newTx->tx;
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transaction_array.append(&(ssTx[0]), ssTx.size());
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}
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// Add addresses / update labels that we've sent to to the address book,
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// and emit coinsSent signal for each recipient
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Q_FOREACH(const SendCoinsRecipient &rcp, transaction.getRecipients())
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{
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// Don't touch the address book when we have a payment request
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if (!rcp.paymentRequest.IsInitialized())
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{
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std::string strAddress = rcp.address.toStdString();
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CTxDestination dest = CBitcoinAddress(strAddress).Get();
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std::string strLabel = rcp.label.toStdString();
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{
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LOCK(wallet->cs_wallet);
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std::map<CTxDestination, CAddressBookData>::iterator mi = wallet->mapAddressBook.find(dest);
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// Check if we have a new address or an updated label
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if (mi == wallet->mapAddressBook.end())
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{
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wallet->SetAddressBook(dest, strLabel, "send");
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}
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else if (mi->second.name != strLabel)
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{
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wallet->SetAddressBook(dest, strLabel, ""); // "" means don't change purpose
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}
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}
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}
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Q_EMIT coinsSent(wallet, rcp, transaction_array);
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}
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checkBalanceChanged(); // update balance immediately, otherwise there could be a short noticeable delay until pollBalanceChanged hits
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return SendCoinsReturn(OK);
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}
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OptionsModel *WalletModel::getOptionsModel()
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{
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return optionsModel;
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}
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AddressTableModel *WalletModel::getAddressTableModel()
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{
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return addressTableModel;
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}
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TransactionTableModel *WalletModel::getTransactionTableModel()
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{
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return transactionTableModel;
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}
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RecentRequestsTableModel *WalletModel::getRecentRequestsTableModel()
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{
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return recentRequestsTableModel;
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}
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WalletModel::EncryptionStatus WalletModel::getEncryptionStatus() const
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{
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if(!wallet->IsCrypted())
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{
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return Unencrypted;
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}
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else if(wallet->IsLocked())
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{
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return Locked;
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}
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else
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{
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return Unlocked;
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}
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}
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bool WalletModel::setWalletEncrypted(bool encrypted, const SecureString &passphrase)
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{
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if(encrypted)
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{
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// Encrypt
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return wallet->EncryptWallet(passphrase);
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}
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else
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{
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// Decrypt -- TODO; not supported yet
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return false;
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}
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}
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bool WalletModel::setWalletLocked(bool locked, const SecureString &passPhrase)
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{
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if(locked)
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{
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// Lock
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return wallet->Lock();
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}
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else
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{
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// Unlock
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return wallet->Unlock(passPhrase);
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}
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}
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bool WalletModel::changePassphrase(const SecureString &oldPass, const SecureString &newPass)
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{
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bool retval;
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{
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LOCK(wallet->cs_wallet);
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wallet->Lock(); // Make sure wallet is locked before attempting pass change
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retval = wallet->ChangeWalletPassphrase(oldPass, newPass);
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}
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return retval;
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}
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bool WalletModel::backupWallet(const QString &filename)
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{
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return wallet->BackupWallet(filename.toLocal8Bit().data());
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}
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// Handlers for core signals
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static void NotifyKeyStoreStatusChanged(WalletModel *walletmodel, CCryptoKeyStore *wallet)
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{
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qDebug() << "NotifyKeyStoreStatusChanged";
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QMetaObject::invokeMethod(walletmodel, "updateStatus", Qt::QueuedConnection);
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}
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static void NotifyAddressBookChanged(WalletModel *walletmodel, CWallet *wallet,
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const CTxDestination &address, const std::string &label, bool isMine,
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const std::string &purpose, ChangeType status)
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{
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QString strAddress = QString::fromStdString(CBitcoinAddress(address).ToString());
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QString strLabel = QString::fromStdString(label);
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QString strPurpose = QString::fromStdString(purpose);
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qDebug() << "NotifyAddressBookChanged: " + strAddress + " " + strLabel + " isMine=" + QString::number(isMine) + " purpose=" + strPurpose + " status=" + QString::number(status);
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QMetaObject::invokeMethod(walletmodel, "updateAddressBook", Qt::QueuedConnection,
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Q_ARG(QString, strAddress),
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Q_ARG(QString, strLabel),
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Q_ARG(bool, isMine),
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Q_ARG(QString, strPurpose),
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Q_ARG(int, status));
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}
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static void NotifyTransactionChanged(WalletModel *walletmodel, CWallet *wallet, const uint256 &hash, ChangeType status)
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{
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Q_UNUSED(wallet);
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Q_UNUSED(hash);
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Q_UNUSED(status);
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QMetaObject::invokeMethod(walletmodel, "updateTransaction", Qt::QueuedConnection);
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}
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static void ShowProgress(WalletModel *walletmodel, const std::string &title, int nProgress)
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{
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// emits signal "showProgress"
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QMetaObject::invokeMethod(walletmodel, "showProgress", Qt::QueuedConnection,
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Q_ARG(QString, QString::fromStdString(title)),
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Q_ARG(int, nProgress));
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}
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static void NotifyWatchonlyChanged(WalletModel *walletmodel, bool fHaveWatchonly)
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{
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QMetaObject::invokeMethod(walletmodel, "updateWatchOnlyFlag", Qt::QueuedConnection,
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Q_ARG(bool, fHaveWatchonly));
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}
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void WalletModel::subscribeToCoreSignals()
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{
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// Connect signals to wallet
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wallet->NotifyStatusChanged.connect(boost::bind(&NotifyKeyStoreStatusChanged, this,
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boost::placeholders::_1));
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wallet->NotifyAddressBookChanged.connect(boost::bind(NotifyAddressBookChanged, this,
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boost::placeholders::_1,
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boost::placeholders::_2,
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boost::placeholders::_3,
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boost::placeholders::_4,
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boost::placeholders::_5,
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boost::placeholders::_6));
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wallet->NotifyTransactionChanged.connect(boost::bind(NotifyTransactionChanged, this,
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boost::placeholders::_1,
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boost::placeholders::_2,
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boost::placeholders::_3));
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wallet->ShowProgress.connect(boost::bind(ShowProgress, this, boost::placeholders::_1,
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boost::placeholders::_2));
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wallet->NotifyWatchonlyChanged.connect(boost::bind(NotifyWatchonlyChanged, this,
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boost::placeholders::_1));
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}
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void WalletModel::unsubscribeFromCoreSignals()
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{
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// Disconnect signals from wallet
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wallet->NotifyStatusChanged.disconnect(boost::bind(&NotifyKeyStoreStatusChanged, this,
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|
boost::placeholders::_1));
|
|
wallet->NotifyAddressBookChanged.disconnect(boost::bind(NotifyAddressBookChanged, this,
|
|
boost::placeholders::_1,
|
|
boost::placeholders::_2,
|
|
boost::placeholders::_3,
|
|
boost::placeholders::_4,
|
|
boost::placeholders::_5,
|
|
boost::placeholders::_6));
|
|
wallet->NotifyTransactionChanged.disconnect(boost::bind(NotifyTransactionChanged, this,
|
|
boost::placeholders::_1,
|
|
boost::placeholders::_2,
|
|
boost::placeholders::_3));
|
|
wallet->ShowProgress.disconnect(boost::bind(ShowProgress, this,
|
|
boost::placeholders::_1,
|
|
boost::placeholders::_2));
|
|
wallet->NotifyWatchonlyChanged.disconnect(boost::bind(NotifyWatchonlyChanged, this,
|
|
boost::placeholders::_1));
|
|
}
|
|
|
|
// WalletModel::UnlockContext implementation
|
|
WalletModel::UnlockContext WalletModel::requestUnlock()
|
|
{
|
|
bool was_locked = getEncryptionStatus() == Locked;
|
|
if(was_locked)
|
|
{
|
|
// Request UI to unlock wallet
|
|
Q_EMIT requireUnlock();
|
|
}
|
|
// If wallet is still locked, unlock was failed or cancelled, mark context as invalid
|
|
bool valid = getEncryptionStatus() != Locked;
|
|
|
|
return UnlockContext(this, valid, was_locked);
|
|
}
|
|
|
|
WalletModel::UnlockContext::UnlockContext(WalletModel *_wallet, bool _valid, bool _relock):
|
|
wallet(_wallet),
|
|
valid(_valid),
|
|
relock(_relock)
|
|
{
|
|
}
|
|
|
|
WalletModel::UnlockContext::~UnlockContext()
|
|
{
|
|
if(valid && relock)
|
|
{
|
|
wallet->setWalletLocked(true);
|
|
}
|
|
}
|
|
|
|
void WalletModel::UnlockContext::CopyFrom(const 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);
|
|
}
|
|
|
|
bool WalletModel::havePrivKey(const CKeyID &address) const
|
|
{
|
|
return wallet->HaveKey(address);
|
|
}
|
|
|
|
bool WalletModel::getPrivKey(const CKeyID &address, CKey& vchPrivKeyOut) const
|
|
{
|
|
return wallet->GetKey(address, vchPrivKeyOut);
|
|
}
|
|
|
|
// returns a list of COutputs from COutPoints
|
|
void WalletModel::getOutputs(const std::vector<COutPoint>& vOutpoints, std::vector<COutput>& vOutputs)
|
|
{
|
|
LOCK2(cs_main, wallet->cs_wallet);
|
|
BOOST_FOREACH(const COutPoint& outpoint, vOutpoints)
|
|
{
|
|
if (!wallet->mapWallet.count(outpoint.hash)) continue;
|
|
int nDepth = wallet->mapWallet[outpoint.hash].GetDepthInMainChain();
|
|
if (nDepth < 0) continue;
|
|
COutput out(&wallet->mapWallet[outpoint.hash], outpoint.n, nDepth, true, true);
|
|
vOutputs.push_back(out);
|
|
}
|
|
}
|
|
|
|
bool WalletModel::isSpent(const COutPoint& outpoint) const
|
|
{
|
|
LOCK2(cs_main, wallet->cs_wallet);
|
|
return wallet->IsSpent(outpoint.hash, outpoint.n);
|
|
}
|
|
|
|
// AvailableCoins + LockedCoins grouped by wallet address (put change in one group with wallet address)
|
|
void WalletModel::listCoins(std::map<QString, std::vector<COutput> >& mapCoins) const
|
|
{
|
|
std::vector<COutput> vCoins;
|
|
wallet->AvailableCoins(vCoins);
|
|
|
|
LOCK2(cs_main, wallet->cs_wallet); // ListLockedCoins, mapWallet
|
|
std::vector<COutPoint> vLockedCoins;
|
|
wallet->ListLockedCoins(vLockedCoins);
|
|
|
|
// add locked coins
|
|
BOOST_FOREACH(const COutPoint& outpoint, vLockedCoins)
|
|
{
|
|
if (!wallet->mapWallet.count(outpoint.hash)) continue;
|
|
int nDepth = wallet->mapWallet[outpoint.hash].GetDepthInMainChain();
|
|
if (nDepth < 0) continue;
|
|
COutput out(&wallet->mapWallet[outpoint.hash], outpoint.n, nDepth, true, true);
|
|
if (outpoint.n < out.tx->tx->vout.size() && wallet->IsMine(out.tx->tx->vout[outpoint.n]) == ISMINE_SPENDABLE)
|
|
vCoins.push_back(out);
|
|
}
|
|
|
|
BOOST_FOREACH(const COutput& out, vCoins)
|
|
{
|
|
COutput cout = out;
|
|
|
|
while (wallet->IsChange(cout.tx->tx->vout[cout.i]) && cout.tx->tx->vin.size() > 0 && wallet->IsMine(cout.tx->tx->vin[0]))
|
|
{
|
|
if (!wallet->mapWallet.count(cout.tx->tx->vin[0].prevout.hash)) break;
|
|
cout = COutput(&wallet->mapWallet[cout.tx->tx->vin[0].prevout.hash], cout.tx->tx->vin[0].prevout.n, 0, true, true);
|
|
}
|
|
|
|
CTxDestination address;
|
|
if(!out.fSpendable || !ExtractDestination(cout.tx->tx->vout[cout.i].scriptPubKey, address))
|
|
continue;
|
|
mapCoins[QString::fromStdString(CBitcoinAddress(address).ToString())].push_back(out);
|
|
}
|
|
}
|
|
|
|
bool WalletModel::isLockedCoin(uint256 hash, unsigned int n) const
|
|
{
|
|
LOCK2(cs_main, wallet->cs_wallet);
|
|
return wallet->IsLockedCoin(hash, n);
|
|
}
|
|
|
|
void WalletModel::lockCoin(COutPoint& output)
|
|
{
|
|
LOCK2(cs_main, wallet->cs_wallet);
|
|
wallet->LockCoin(output);
|
|
}
|
|
|
|
void WalletModel::unlockCoin(COutPoint& output)
|
|
{
|
|
LOCK2(cs_main, wallet->cs_wallet);
|
|
wallet->UnlockCoin(output);
|
|
}
|
|
|
|
void WalletModel::listLockedCoins(std::vector<COutPoint>& vOutpts)
|
|
{
|
|
LOCK2(cs_main, wallet->cs_wallet);
|
|
wallet->ListLockedCoins(vOutpts);
|
|
}
|
|
|
|
void WalletModel::loadReceiveRequests(std::vector<std::string>& vReceiveRequests)
|
|
{
|
|
LOCK(wallet->cs_wallet);
|
|
BOOST_FOREACH(const PAIRTYPE(CTxDestination, CAddressBookData)& item, wallet->mapAddressBook)
|
|
BOOST_FOREACH(const PAIRTYPE(std::string, std::string)& item2, item.second.destdata)
|
|
if (item2.first.size() > 2 && item2.first.substr(0,2) == "rr") // receive request
|
|
vReceiveRequests.push_back(item2.second);
|
|
}
|
|
|
|
bool WalletModel::saveReceiveRequest(const std::string &sAddress, const int64_t nId, const std::string &sRequest)
|
|
{
|
|
CTxDestination dest = CBitcoinAddress(sAddress).Get();
|
|
|
|
std::stringstream ss;
|
|
ss << nId;
|
|
std::string key = "rr" + ss.str(); // "rr" prefix = "receive request" in destdata
|
|
|
|
LOCK(wallet->cs_wallet);
|
|
if (sRequest.empty())
|
|
return wallet->EraseDestData(dest, key);
|
|
else
|
|
return wallet->AddDestData(dest, key, sRequest);
|
|
}
|
|
|
|
bool WalletModel::transactionCanBeAbandoned(uint256 hash) const
|
|
{
|
|
LOCK2(cs_main, wallet->cs_wallet);
|
|
const CWalletTx *wtx = wallet->GetWalletTx(hash);
|
|
if (!wtx || wtx->isAbandoned() || wtx->GetDepthInMainChain() > 0 || wtx->InMempool())
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
bool WalletModel::abandonTransaction(uint256 hash) const
|
|
{
|
|
LOCK2(cs_main, wallet->cs_wallet);
|
|
return wallet->AbandonTransaction(hash);
|
|
}
|
|
|
|
bool WalletModel::isWalletEnabled()
|
|
{
|
|
return !GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET);
|
|
}
|
|
|
|
bool WalletModel::hdEnabled() const
|
|
{
|
|
return wallet->IsHDEnabled();
|
|
}
|
|
|
|
int WalletModel::getDefaultConfirmTarget() const
|
|
{
|
|
return nTxConfirmTarget;
|
|
}
|