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from typing import TYPE_CHECKING
from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
from PyQt5.QtCore import Qt, QAbstractListModel, QModelIndex
from electrum.logging import get_logger
from electrum.util import Satoshis
from .qetypes import QEAmount
if TYPE_CHECKING:
from electrum.wallet import Abstract_Wallet
class QEAddressListModel(QAbstractListModel):
def __init__(self, wallet: 'Abstract_Wallet', parent=None):
super().__init__(parent)
self.wallet = wallet
self.init_model()
_logger = get_logger(__name__)
# define listmodel rolemap
_ROLE_NAMES=('type','iaddr','address','label','balance','numtx', 'held')
_ROLE_KEYS = range(Qt.UserRole, Qt.UserRole + len(_ROLE_NAMES))
_ROLE_MAP = dict(zip(_ROLE_KEYS, [bytearray(x.encode()) for x in _ROLE_NAMES]))
def rowCount(self, index):
return len(self.receive_addresses) + len(self.change_addresses)
def roleNames(self):
return self._ROLE_MAP
def data(self, index, role):
if index.row() > len(self.receive_addresses) - 1:
address = self.change_addresses[index.row() - len(self.receive_addresses)]
else:
address = self.receive_addresses[index.row()]
role_index = role - Qt.UserRole
value = address[self._ROLE_NAMES[role_index]]
if isinstance(value, (bool, list, int, str, QEAmount)) or value is None:
return value
if isinstance(value, Satoshis):
return value.value
return str(value)
def clear(self):
self.beginResetModel()
self.receive_addresses = []
self.change_addresses = []
self.endResetModel()
def addr_to_model(self, address):
item = {}
item['address'] = address
item['numtx'] = self.wallet.adb.get_address_history_len(address)
item['label'] = self.wallet.get_label_for_address(address)
c, u, x = self.wallet.get_addr_balance(address)
item['balance'] = QEAmount(amount_sat=c + u + x)
item['held'] = self.wallet.is_frozen_address(address)
return item
# initial model data
@pyqtSlot()
def init_model(self):
r_addresses = self.wallet.get_receiving_addresses()
c_addresses = self.wallet.get_change_addresses()
n_addresses = len(r_addresses) + len(c_addresses) if self.wallet.use_change else 0
def insert_row(atype, alist, address, iaddr):
item = self.addr_to_model(address)
item['type'] = atype
item['iaddr'] = iaddr
alist.append(item)
self.clear()
self.beginInsertRows(QModelIndex(), 0, n_addresses - 1)
i = 0
for address in r_addresses:
insert_row('receive', self.receive_addresses, address, i)
i = i + 1
i = 0
for address in c_addresses if self.wallet.use_change else []:
insert_row('change', self.change_addresses, address, i)
i = i + 1
self.endInsertRows()
@pyqtSlot(str)
def update_address(self, address):
i = 0
for a in self.receive_addresses:
if a['address'] == address:
self.do_update(i,a)
return
i = i + 1
for a in self.change_addresses:
if a['address'] == address:
self.do_update(i,a)
return
i = i + 1
def do_update(self, modelindex, modelitem):
mi = self.createIndex(modelindex, 0)
self._logger.debug(repr(modelitem))
modelitem.update(self.addr_to_model(modelitem['address']))
self._logger.debug(repr(modelitem))
self.dataChanged.emit(mi, mi, self._ROLE_KEYS)