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// Copyright (c) 2011-2013 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "addresstablemodel.h"
#include "guiutil.h"
#include "walletmodel.h"
#include "base58.h"
#include "wallet.h"
#include <QFont>
#include <QDebug>
const QString AddressTableModel::Send = "S";
const QString AddressTableModel::Receive = "R";
struct AddressTableEntry
{
enum Type {
Sending,
Receiving,
Hidden /* QSortFilterProxyModel will filter these out */
};
Type type;
QString label;
QString address;
AddressTableEntry() {}
AddressTableEntry(Type type, const QString &label, const QString &address):
type(type), label(label), address(address) {}
};
struct AddressTableEntryLessThan
{
bool operator()(const AddressTableEntry &a, const AddressTableEntry &b) const
{
return a.address < b.address;
}
bool operator()(const AddressTableEntry &a, const QString &b) const
{
return a.address < b;
}
bool operator()(const QString &a, const AddressTableEntry &b) const
{
return a < b.address;
}
};
/* Determine address type from address purpose */
static AddressTableEntry::Type translateTransactionType(const QString &strPurpose, bool isMine)
{
AddressTableEntry::Type addressType = AddressTableEntry::Hidden;
// "refund" addresses aren't shown, and change addresses aren't in mapAddressBook at all.
if (strPurpose == "send")
addressType = AddressTableEntry::Sending;
else if (strPurpose == "receive")
addressType = AddressTableEntry::Receiving;
else if (strPurpose == "unknown" || strPurpose == "") // if purpose not set, guess
addressType = (isMine ? AddressTableEntry::Receiving : AddressTableEntry::Sending);
return addressType;
}
// Private implementation
class AddressTablePriv
{
public:
CWallet *wallet;
QList<AddressTableEntry> cachedAddressTable;
AddressTableModel *parent;
AddressTablePriv(CWallet *wallet, AddressTableModel *parent):
wallet(wallet), parent(parent) {}
void refreshAddressTable()
{
cachedAddressTable.clear();
{
LOCK(wallet->cs_wallet);
BOOST_FOREACH(const PAIRTYPE(CTxDestination, CAddressBookData)& item, wallet->mapAddressBook)
{
const CBitcoinAddress& address = item.first;
bool fMine = IsMine(*wallet, address.Get());
AddressTableEntry::Type addressType = translateTransactionType(
QString::fromStdString(item.second.purpose), fMine);
const std::string& strName = item.second.name;
cachedAddressTable.append(AddressTableEntry(addressType,
QString::fromStdString(strName),
QString::fromStdString(address.ToString())));
}
}
// qLowerBound() and qUpperBound() require our cachedAddressTable list to be sorted in asc order
// Even though the map is already sorted this re-sorting step is needed because the originating map
// is sorted by binary address, not by base58() address.
qSort(cachedAddressTable.begin(), cachedAddressTable.end(), AddressTableEntryLessThan());
}
void updateEntry(const QString &address, const QString &label, bool isMine, const QString &purpose, int status)
{
// Find address / label in model
QList<AddressTableEntry>::iterator lower = qLowerBound(
cachedAddressTable.begin(), cachedAddressTable.end(), address, AddressTableEntryLessThan());
QList<AddressTableEntry>::iterator upper = qUpperBound(
cachedAddressTable.begin(), cachedAddressTable.end(), address, AddressTableEntryLessThan());
int lowerIndex = (lower - cachedAddressTable.begin());
int upperIndex = (upper - cachedAddressTable.begin());
bool inModel = (lower != upper);
AddressTableEntry::Type newEntryType = translateTransactionType(purpose, isMine);
switch(status)
{
case CT_NEW:
if(inModel)
{
qDebug() << "AddressTablePriv::updateEntry : Warning: Got CT_NEW, but entry is already in model";
break;
}
parent->beginInsertRows(QModelIndex(), lowerIndex, lowerIndex);
cachedAddressTable.insert(lowerIndex, AddressTableEntry(newEntryType, label, address));
parent->endInsertRows();
break;
case CT_UPDATED:
if(!inModel)
{
qDebug() << "AddressTablePriv::updateEntry : Warning: Got CT_UPDATED, but entry is not in model";
break;
}
lower->type = newEntryType;
lower->label = label;
parent->emitDataChanged(lowerIndex);
break;
case CT_DELETED:
if(!inModel)
{
qDebug() << "AddressTablePriv::updateEntry : Warning: Got CT_DELETED, but entry is not in model";
break;
}
parent->beginRemoveRows(QModelIndex(), lowerIndex, upperIndex-1);
cachedAddressTable.erase(lower, upper);
parent->endRemoveRows();
break;
}
}
int size()
{
return cachedAddressTable.size();
}
AddressTableEntry *index(int idx)
{
if(idx >= 0 && idx < cachedAddressTable.size())
{
return &cachedAddressTable[idx];
}
else
{
return 0;
}
}
};
AddressTableModel::AddressTableModel(CWallet *wallet, WalletModel *parent) :
QAbstractTableModel(parent),walletModel(parent),wallet(wallet),priv(0)
{
columns << tr("Label") << tr("Address");
priv = new AddressTablePriv(wallet, this);
priv->refreshAddressTable();
}
AddressTableModel::~AddressTableModel()
{
delete priv;
}
int AddressTableModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return priv->size();
}
int AddressTableModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return columns.length();
}
QVariant AddressTableModel::data(const QModelIndex &index, int role) const
{
if(!index.isValid())
return QVariant();
AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());
if(role == Qt::DisplayRole || role == Qt::EditRole)
{
switch(index.column())
{
case Label:
if(rec->label.isEmpty() && role == Qt::DisplayRole)
{
return tr("(no label)");
}
else
{
return rec->label;
}
case Address:
return rec->address;
}
}
else if (role == Qt::FontRole)
{
QFont font;
if(index.column() == Address)
{
font = GUIUtil::bitcoinAddressFont();
}
return font;
}
else if (role == TypeRole)
{
switch(rec->type)
{
case AddressTableEntry::Sending:
return Send;
case AddressTableEntry::Receiving:
return Receive;
default: break;
}
}
return QVariant();
}
bool AddressTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
if(!index.isValid())
return false;
AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());
std::string strPurpose = (rec->type == AddressTableEntry::Sending ? "send" : "receive");
editStatus = OK;
if(role == Qt::EditRole)
{
LOCK(wallet->cs_wallet); /* For SetAddressBook / DelAddressBook */
CTxDestination curAddress = CBitcoinAddress(rec->address.toStdString()).Get();
if(index.column() == Label)
{
// Do nothing, if old label == new label
if(rec->label == value.toString())
{
editStatus = NO_CHANGES;
return false;
}
wallet->SetAddressBook(curAddress, value.toString().toStdString(), strPurpose);
} else if(index.column() == Address) {
CTxDestination newAddress = CBitcoinAddress(value.toString().toStdString()).Get();
// Refuse to set invalid address, set error status and return false
if(boost::get<CNoDestination>(&newAddress))
{
editStatus = INVALID_ADDRESS;
return false;
}
// Do nothing, if old address == new address
else if(newAddress == curAddress)
{
editStatus = NO_CHANGES;
return false;
}
// Check for duplicate addresses to prevent accidental deletion of addresses, if you try
// to paste an existing address over another address (with a different label)
else if(wallet->mapAddressBook.count(newAddress))
{
editStatus = DUPLICATE_ADDRESS;
return false;
}
// Double-check that we're not overwriting a receiving address
else if(rec->type == AddressTableEntry::Sending)
{
// Remove old entry
wallet->DelAddressBook(curAddress);
// Add new entry with new address
wallet->SetAddressBook(newAddress, rec->label.toStdString(), strPurpose);
}
}
return true;
}
return false;
}
QVariant AddressTableModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if(orientation == Qt::Horizontal)
{
if(role == Qt::DisplayRole && section < columns.size())
{
return columns[section];
}
}
return QVariant();
}
Qt::ItemFlags AddressTableModel::flags(const QModelIndex &index) const
{
if(!index.isValid())
return 0;
AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());
Qt::ItemFlags retval = Qt::ItemIsSelectable | Qt::ItemIsEnabled;
// Can edit address and label for sending addresses,
// and only label for receiving addresses.
if(rec->type == AddressTableEntry::Sending ||
(rec->type == AddressTableEntry::Receiving && index.column()==Label))
{
retval |= Qt::ItemIsEditable;
}
return retval;
}
QModelIndex AddressTableModel::index(int row, int column, const QModelIndex &parent) const
{
Q_UNUSED(parent);
AddressTableEntry *data = priv->index(row);
if(data)
{
return createIndex(row, column, priv->index(row));
}
else
{
return QModelIndex();
}
}
void AddressTableModel::updateEntry(const QString &address,
const QString &label, bool isMine, const QString &purpose, int status)
{
// Update address book model from Bitcoin core
priv->updateEntry(address, label, isMine, purpose, status);
}
QString AddressTableModel::addRow(const QString &type, const QString &label, const QString &address)
{
std::string strLabel = label.toStdString();
std::string strAddress = address.toStdString();
editStatus = OK;
if(type == Send)
{
if(!walletModel->validateAddress(address))
{
editStatus = INVALID_ADDRESS;
return QString();
}
// Check for duplicate addresses
{
LOCK(wallet->cs_wallet);
if(wallet->mapAddressBook.count(CBitcoinAddress(strAddress).Get()))
{
editStatus = DUPLICATE_ADDRESS;
return QString();
}
}
}
else if(type == Receive)
{
// Generate a new address to associate with given label
CPubKey newKey;
if(!wallet->GetKeyFromPool(newKey))
{
WalletModel::UnlockContext ctx(walletModel->requestUnlock());
if(!ctx.isValid())
{
// Unlock wallet failed or was cancelled
editStatus = WALLET_UNLOCK_FAILURE;
return QString();
}
if(!wallet->GetKeyFromPool(newKey))
{
editStatus = KEY_GENERATION_FAILURE;
return QString();
}
}
strAddress = CBitcoinAddress(newKey.GetID()).ToString();
}
else
{
return QString();
}
// Add entry
{
LOCK(wallet->cs_wallet);
wallet->SetAddressBook(CBitcoinAddress(strAddress).Get(), strLabel,
(type == Send ? "send" : "receive"));
}
return QString::fromStdString(strAddress);
}
bool AddressTableModel::removeRows(int row, int count, const QModelIndex &parent)
{
Q_UNUSED(parent);
AddressTableEntry *rec = priv->index(row);
if(count != 1 || !rec || rec->type == AddressTableEntry::Receiving)
{
// Can only remove one row at a time, and cannot remove rows not in model.
// Also refuse to remove receiving addresses.
return false;
}
{
LOCK(wallet->cs_wallet);
wallet->DelAddressBook(CBitcoinAddress(rec->address.toStdString()).Get());
}
return true;
}
/* Look up label for address in address book, if not found return empty string.
*/
QString AddressTableModel::labelForAddress(const QString &address) const
{
{
LOCK(wallet->cs_wallet);
CBitcoinAddress address_parsed(address.toStdString());
std::map<CTxDestination, CAddressBookData>::iterator mi = wallet->mapAddressBook.find(address_parsed.Get());
if (mi != wallet->mapAddressBook.end())
{
return QString::fromStdString(mi->second.name);
}
}
return QString();
}
int AddressTableModel::lookupAddress(const QString &address) const
{
QModelIndexList lst = match(index(0, Address, QModelIndex()),
Qt::EditRole, address, 1, Qt::MatchExactly);
if(lst.isEmpty())
{
return -1;
}
else
{
return lst.at(0).row();
}
}
void AddressTableModel::emitDataChanged(int idx)
{
emit dataChanged(index(idx, 0, QModelIndex()), index(idx, columns.length()-1, QModelIndex()));
}