#include "transactiontablemodel.h"
#include "headers.h"
+#include "db.h" // for BackupWallet
-#include <QTimer>
+#include <QSet>
-WalletModel::WalletModel(CWallet *wallet, QObject *parent) :
- QObject(parent), wallet(wallet), optionsModel(0), addressTableModel(0),
- transactionTableModel(0)
+WalletModel::WalletModel(CWallet *wallet, OptionsModel *optionsModel, QObject *parent) :
+ QObject(parent), wallet(wallet), optionsModel(optionsModel), addressTableModel(0),
+ transactionTableModel(0),
+ cachedBalance(0), cachedUnconfirmedBalance(0), cachedNumTransactions(0),
+ cachedEncryptionStatus(Unencrypted)
{
- // Until signal notifications is built into the bitcoin core,
- // simply update everything after polling using a timer.
- QTimer *timer = new QTimer(this);
- connect(timer, SIGNAL(timeout()), this, SLOT(update()));
- timer->start(MODEL_UPDATE_DELAY);
-
- optionsModel = new OptionsModel(wallet, this);
addressTableModel = new AddressTableModel(wallet, this);
transactionTableModel = new TransactionTableModel(wallet, this);
}
return wallet->GetBalance();
}
+qint64 WalletModel::getUnconfirmedBalance() const
+{
+ return wallet->GetUnconfirmedBalance();
+}
+
int WalletModel::getNumTransactions() const
{
int numTransactions = 0;
- CRITICAL_BLOCK(wallet->cs_mapWallet)
+ CRITICAL_BLOCK(wallet->cs_wallet)
{
numTransactions = wallet->mapWallet.size();
}
void WalletModel::update()
{
- // Plainly emit all signals for now. To be more efficient this should check
- // whether the values actually changed first, although it'd be even better if these
- // were events coming in from the bitcoin core.
- emit balanceChanged(getBalance());
- emit numTransactionsChanged(getNumTransactions());
+ qint64 newBalance = getBalance();
+ qint64 newUnconfirmedBalance = getUnconfirmedBalance();
+ int newNumTransactions = getNumTransactions();
+ EncryptionStatus newEncryptionStatus = getEncryptionStatus();
+
+ if(cachedBalance != newBalance || cachedUnconfirmedBalance != newUnconfirmedBalance)
+ emit balanceChanged(newBalance, newUnconfirmedBalance);
+
+ if(cachedNumTransactions != newNumTransactions)
+ emit numTransactionsChanged(newNumTransactions);
+
+ if(cachedEncryptionStatus != newEncryptionStatus)
+ emit encryptionStatusChanged(newEncryptionStatus);
+
+ cachedBalance = newBalance;
+ cachedUnconfirmedBalance = newUnconfirmedBalance;
+ cachedNumTransactions = newNumTransactions;
+
+ addressTableModel->update();
+}
+void WalletModel::updateAddressList()
+{
addressTableModel->update();
}
-WalletModel::StatusCode WalletModel::sendCoins(const QString &payTo, qint64 payAmount, const QString &addToAddressBookAs)
+bool WalletModel::validateAddress(const QString &address)
{
- uint160 hash160 = 0;
- bool valid = false;
+ CBitcoinAddress addressParsed(address.toStdString());
+ return addressParsed.IsValid();
+}
+
+WalletModel::SendCoinsReturn WalletModel::sendCoins(const QList<SendCoinsRecipient> &recipients)
+{
+ qint64 total = 0;
+ QSet<QString> setAddress;
+ QString hex;
+
+ if(recipients.empty())
+ {
+ return OK;
+ }
- if(!AddressToHash160(payTo.toUtf8().constData(), hash160))
+ // Pre-check input data for validity
+ foreach(const SendCoinsRecipient &rcp, recipients)
{
- return InvalidAddress;
+ if(!validateAddress(rcp.address))
+ {
+ return InvalidAddress;
+ }
+ setAddress.insert(rcp.address);
+
+ if(rcp.amount <= 0)
+ {
+ return InvalidAmount;
+ }
+ total += rcp.amount;
}
- if(payAmount <= 0)
+ if(recipients.size() > setAddress.size())
{
- return InvalidAmount;
+ return DuplicateAddress;
}
- if(payAmount > getBalance())
+ if(total > getBalance())
{
return AmountExceedsBalance;
}
- if((payAmount + nTransactionFee) > getBalance())
+ if((total + nTransactionFee) > getBalance())
{
- return AmountWithFeeExceedsBalance;
+ return SendCoinsReturn(AmountWithFeeExceedsBalance, nTransactionFee);
}
CRITICAL_BLOCK(cs_main)
+ CRITICAL_BLOCK(wallet->cs_wallet)
{
- // Send to bitcoin address
+ // Sendmany
+ std::vector<std::pair<CScript, int64> > vecSend;
+ foreach(const SendCoinsRecipient &rcp, recipients)
+ {
+ CScript scriptPubKey;
+ scriptPubKey.SetBitcoinAddress(rcp.address.toStdString());
+ vecSend.push_back(make_pair(scriptPubKey, rcp.amount));
+ }
+
CWalletTx wtx;
- CScript scriptPubKey;
- scriptPubKey << OP_DUP << OP_HASH160 << hash160 << OP_EQUALVERIFY << OP_CHECKSIG;
+ CReserveKey keyChange(wallet);
+ int64 nFeeRequired = 0;
+ bool fCreated = wallet->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
- std::string strError = wallet->SendMoney(scriptPubKey, payAmount, wtx, true);
- if (strError == "")
+ if(!fCreated)
{
- // OK
+ if((total + nFeeRequired) > wallet->GetBalance())
+ {
+ return SendCoinsReturn(AmountWithFeeExceedsBalance, nFeeRequired);
+ }
+ return TransactionCreationFailed;
}
- else if (strError == "ABORTED")
+ if(!ThreadSafeAskFee(nFeeRequired, tr("Sending...").toStdString()))
{
return Aborted;
}
- else
+ if(!wallet->CommitTransaction(wtx, keyChange))
{
- emit error(tr("Sending..."), QString::fromStdString(strError));
- return MiscError;
+ return TransactionCommitFailed;
}
+ hex = QString::fromStdString(wtx.GetHash().GetHex());
}
// Add addresses that we've sent to to the address book
- std::string strAddress = payTo.toStdString();
- CRITICAL_BLOCK(wallet->cs_mapAddressBook)
+ foreach(const SendCoinsRecipient &rcp, recipients)
{
- if (!wallet->mapAddressBook.count(strAddress))
- wallet->SetAddressBookName(strAddress, addToAddressBookAs.toStdString());
+ std::string strAddress = rcp.address.toStdString();
+ CRITICAL_BLOCK(wallet->cs_wallet)
+ {
+ if (!wallet->mapAddressBook.count(strAddress))
+ wallet->SetAddressBookName(strAddress, rcp.label.toStdString());
+ }
}
- return OK;
+ return SendCoinsReturn(OK, 0, hex);
}
OptionsModel *WalletModel::getOptionsModel()
return transactionTableModel;
}
-/* Look up label for address in address book, if not found return empty string.
- */
-QString WalletModel::labelForAddress(const QString &address) const
+WalletModel::EncryptionStatus WalletModel::getEncryptionStatus() const
{
- CRITICAL_BLOCK(wallet->cs_mapAddressBook)
+ if(!wallet->IsCrypted())
{
- std::map<std::string, std::string>::iterator mi = wallet->mapAddressBook.find(address.toStdString());
- if (mi != wallet->mapAddressBook.end())
- {
- return QString::fromStdString(mi->second);
- }
+ return Unencrypted;
+ }
+ 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)
+{
+ if(locked)
+ {
+ // Lock
+ return wallet->Lock();
+ }
+ else
+ {
+ // Unlock
+ return wallet->Unlock(passPhrase);
+ }
+}
+
+bool WalletModel::changePassphrase(const SecureString &oldPass, const SecureString &newPass)
+{
+ bool retval;
+ CRITICAL_BLOCK(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)
+{
+ return BackupWallet(*wallet, filename.toLocal8Bit().data());
+}
+
+// WalletModel::UnlockContext implementation
+WalletModel::UnlockContext WalletModel::requestUnlock()
+{
+ bool was_locked = getEncryptionStatus() == Locked;
+ if(was_locked)
+ {
+ // Request UI to unlock wallet
+ 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);
}
- return QString();
}
+void WalletModel::UnlockContext::CopyFrom(const UnlockContext& rhs)
+{
+ // Transfer context; old object no longer relocks wallet
+ *this = rhs;
+ rhs.relock = false;
+}
git://git.novaco.in / novacoin.git / blobdiff