Wladimir J. van der Laan
14 years ago
10 changed files with 259 additions and 160 deletions
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#include "walletmodel.h" |
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#include "guiconstants.h" |
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#include "optionsmodel.h" |
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#include "addresstablemodel.h" |
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#include "transactiontablemodel.h" |
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#include "headers.h" |
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#include <QTimer> |
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WalletModel::WalletModel(CWallet *wallet, QObject *parent) : |
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QObject(parent), wallet(wallet), optionsModel(0), addressTableModel(0), |
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transactionTableModel(0) |
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{ |
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// Until signal notifications is built into the bitcoin core,
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// simply update everything after polling using a timer.
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QTimer *timer = new QTimer(this); |
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connect(timer, SIGNAL(timeout()), this, SLOT(update())); |
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timer->start(MODEL_UPDATE_DELAY); |
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optionsModel = new OptionsModel(wallet, this); |
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addressTableModel = new AddressTableModel(wallet, this); |
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transactionTableModel = new TransactionTableModel(wallet, this); |
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} |
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qint64 WalletModel::getBalance() const |
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{ |
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return wallet->GetBalance(); |
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} |
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int WalletModel::getNumTransactions() const |
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{ |
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int numTransactions = 0; |
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CRITICAL_BLOCK(wallet->cs_mapWallet) |
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{ |
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numTransactions = wallet->mapWallet.size(); |
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} |
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return numTransactions; |
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} |
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void WalletModel::update() |
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{ |
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// Plainly emit all signals for now. To be more efficient this should check
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// whether the values actually changed first, although it'd be even better if these
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// were events coming in from the bitcoin core.
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emit balanceChanged(getBalance()); |
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emit numTransactionsChanged(getNumTransactions()); |
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addressTableModel->update(); |
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} |
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WalletModel::StatusCode WalletModel::sendCoins(const QString &payTo, qint64 payAmount, const QString &addToAddressBookAs) |
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{ |
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uint160 hash160 = 0; |
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bool valid = false; |
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if(!AddressToHash160(payTo.toUtf8().constData(), hash160)) |
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{ |
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return InvalidAddress; |
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} |
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if(payAmount <= 0) |
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{ |
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return InvalidAmount; |
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} |
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if(payAmount > getBalance()) |
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{ |
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return AmountExceedsBalance; |
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} |
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if((payAmount + nTransactionFee) > getBalance()) |
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{ |
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return AmountWithFeeExceedsBalance; |
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} |
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CRITICAL_BLOCK(cs_main) |
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{ |
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// Send to bitcoin address
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CWalletTx wtx; |
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CScript scriptPubKey; |
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scriptPubKey << OP_DUP << OP_HASH160 << hash160 << OP_EQUALVERIFY << OP_CHECKSIG; |
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std::string strError = wallet->SendMoney(scriptPubKey, payAmount, wtx, true); |
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if (strError == "") |
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{ |
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// OK
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} |
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else if (strError == "ABORTED") |
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{ |
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return Aborted; |
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} |
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else |
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{ |
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emit error(tr("Sending..."), QString::fromStdString(strError)); |
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return MiscError; |
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} |
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} |
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// Add addresses that we've sent to to the address book
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std::string strAddress = payTo.toStdString(); |
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CRITICAL_BLOCK(wallet->cs_mapAddressBook) |
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{ |
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if (!wallet->mapAddressBook.count(strAddress)) |
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wallet->SetAddressBookName(strAddress, addToAddressBookAs.toStdString()); |
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} |
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return 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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} |
@ -0,0 +1,62 @@ |
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#ifndef WALLETMODEL_H |
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#define WALLETMODEL_H |
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#include <QObject> |
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class OptionsModel; |
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class AddressTableModel; |
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class TransactionTableModel; |
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class CWallet; |
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// Interface to a Bitcoin wallet
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class WalletModel : public QObject |
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{ |
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Q_OBJECT |
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public: |
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explicit WalletModel(CWallet *wallet, QObject *parent = 0); |
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enum StatusCode |
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{ |
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OK, |
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InvalidAmount, |
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InvalidAddress, |
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AmountExceedsBalance, |
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AmountWithFeeExceedsBalance, |
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Aborted, |
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MiscError |
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}; |
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OptionsModel *getOptionsModel(); |
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AddressTableModel *getAddressTableModel(); |
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TransactionTableModel *getTransactionTableModel(); |
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qint64 getBalance() const; |
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int getNumTransactions() const; |
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/* Send coins */ |
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StatusCode sendCoins(const QString &payTo, qint64 payAmount, const QString &addToAddressBookAs=QString()); |
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private: |
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CWallet *wallet; |
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// Wallet has an options model for wallet-specific options
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// (transaction fee, for example)
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OptionsModel *optionsModel; |
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AddressTableModel *addressTableModel; |
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TransactionTableModel *transactionTableModel; |
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signals: |
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void balanceChanged(qint64 balance); |
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void numTransactionsChanged(int count); |
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// Asynchronous error notification
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void error(const QString &title, const QString &message); |
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public slots: |
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private slots: |
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void update(); |
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}; |
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#endif // WALLETMODEL_H
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