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194 lines
7.0 KiB
194 lines
7.0 KiB
from datetime import datetime, timedelta |
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from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject |
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from PyQt5.QtCore import Qt, QAbstractListModel, QModelIndex |
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from electrum.logging import get_logger |
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from electrum.util import Satoshis, TxMinedInfo |
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from .qetypes import QEAmount |
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from .util import QtEventListener, qt_event_listener |
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class QETransactionListModel(QAbstractListModel, QtEventListener): |
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def __init__(self, wallet, parent=None, *, onchain_domain=None, include_lightning=True): |
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super().__init__(parent) |
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self.wallet = wallet |
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self.onchain_domain = onchain_domain |
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self.include_lightning = include_lightning |
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self.register_callbacks() |
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self.destroyed.connect(lambda: self.on_destroy()) |
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self.requestRefresh.connect(lambda: self.init_model()) |
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self.init_model() |
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_logger = get_logger(__name__) |
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# define listmodel rolemap |
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_ROLE_NAMES=('txid','fee_sat','height','confirmations','timestamp','monotonic_timestamp', |
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'incoming','value','balance','date','label','txpos_in_block','fee', |
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'inputs','outputs','section','type','lightning','payment_hash','key','complete') |
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_ROLE_KEYS = range(Qt.UserRole, Qt.UserRole + len(_ROLE_NAMES)) |
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_ROLE_MAP = dict(zip(_ROLE_KEYS, [bytearray(x.encode()) for x in _ROLE_NAMES])) |
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_ROLE_RMAP = dict(zip(_ROLE_NAMES, _ROLE_KEYS)) |
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requestRefresh = pyqtSignal() |
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def on_destroy(self): |
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self.unregister_callbacks() |
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@qt_event_listener |
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def on_event_verified(self, wallet, txid, info): |
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if wallet == self.wallet: |
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self._logger.debug('verified event for txid %s' % txid) |
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self.on_tx_verified(txid, info) |
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def rowCount(self, index): |
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return len(self.tx_history) |
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# also expose rowCount as a property |
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countChanged = pyqtSignal() |
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@pyqtProperty(int, notify=countChanged) |
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def count(self): |
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return len(self.tx_history) |
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def roleNames(self): |
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return self._ROLE_MAP |
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def data(self, index, role): |
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tx = self.tx_history[index.row()] |
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role_index = role - Qt.UserRole |
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try: |
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value = tx[self._ROLE_NAMES[role_index]] |
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except KeyError as e: |
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self._logger.error(f'non-existing key "{self._ROLE_NAMES[role_index]}" requested') |
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value = None |
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if isinstance(value, (bool, list, int, str, QEAmount)) or value is None: |
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return value |
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if isinstance(value, Satoshis): |
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return value.value |
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return str(value) |
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def clear(self): |
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self.beginResetModel() |
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self.tx_history = [] |
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self.endResetModel() |
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def tx_to_model(self, tx): |
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#self._logger.debug(str(tx)) |
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item = tx |
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item['key'] = item['txid'] if 'txid' in item else item['payment_hash'] |
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if 'lightning' not in item: |
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item['lightning'] = False |
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if item['lightning']: |
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item['value'] = QEAmount(amount_sat=item['value'].value, amount_msat=item['amount_msat']) |
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item['balance'] = QEAmount(amount_sat=item['balance'].value, amount_msat=item['amount_msat']) |
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if item['type'] == 'payment': |
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item['incoming'] = True if item['direction'] == 'received' else False |
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item['confirmations'] = 0 |
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else: |
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item['value'] = QEAmount(amount_sat=item['value'].value) |
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item['balance'] = QEAmount(amount_sat=item['balance'].value) |
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if 'txid' in item: |
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tx = self.wallet.get_input_tx(item['txid']) |
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item['complete'] = tx.is_complete() |
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# newly arriving txs, or (partially/fully signed) local txs have no (block) timestamp |
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if not item['timestamp']: |
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txinfo = self.wallet.get_tx_info(tx) |
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item['section'] = 'mempool' if item['complete'] and not txinfo.can_broadcast else 'local' |
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else: |
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item['section'] = self.get_section_by_timestamp(item['timestamp']) |
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item['date'] = self.format_date_by_section(item['section'], datetime.fromtimestamp(item['timestamp'])) |
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return item |
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def get_section_by_timestamp(self, timestamp): |
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txts = datetime.fromtimestamp(timestamp) |
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today = datetime.today().replace(hour=0, minute=0, second=0, microsecond=0) |
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if (txts > today): |
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return 'today' |
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elif (txts > today - timedelta(days=1)): |
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return 'yesterday' |
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elif (txts > today - timedelta(days=7)): |
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return 'lastweek' |
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elif (txts > today - timedelta(days=31)): |
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return 'lastmonth' |
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else: |
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return 'older' |
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def format_date_by_section(self, section, date): |
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#TODO: l10n |
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dfmt = { |
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'today': '%H:%M:%S', |
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'yesterday': '%H:%M:%S', |
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'lastweek': '%a, %H:%M:%S', |
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'lastmonth': '%a %d, %H:%M:%S', |
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'older': '%G-%m-%d %H:%M:%S' |
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} |
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if section not in dfmt: |
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section = 'older' |
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return date.strftime(dfmt[section]) |
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# initial model data |
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@pyqtSlot() |
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def init_model(self): |
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self._logger.debug('retrieving history') |
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history = self.wallet.get_full_history(onchain_domain=self.onchain_domain, |
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include_lightning=self.include_lightning) |
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txs = [] |
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for key, tx in history.items(): |
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txs.append(self.tx_to_model(tx)) |
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self.clear() |
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self.beginInsertRows(QModelIndex(), 0, len(txs) - 1) |
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self.tx_history = txs |
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self.tx_history.reverse() |
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self.endInsertRows() |
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self.countChanged.emit() |
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def on_tx_verified(self, txid, info): |
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i = 0 |
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for tx in self.tx_history: |
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if 'txid' in tx and tx['txid'] == txid: |
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tx['height'] = info.height |
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tx['confirmations'] = info.conf |
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tx['timestamp'] = info.timestamp |
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tx['section'] = self.get_section_by_timestamp(info.timestamp) |
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tx['date'] = self.format_date_by_section(tx['section'], datetime.fromtimestamp(info.timestamp)) |
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index = self.index(i,0) |
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roles = [self._ROLE_RMAP[x] for x in ['section','height','confirmations','timestamp','date']] |
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self.dataChanged.emit(index, index, roles) |
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return |
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i = i + 1 |
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@pyqtSlot(str, str) |
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def update_tx_label(self, key, label): |
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i = 0 |
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for tx in self.tx_history: |
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if tx['key'] == key: |
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tx['label'] = label |
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index = self.index(i,0) |
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self.dataChanged.emit(index, index, [self._ROLE_RMAP['label']]) |
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return |
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i = i + 1 |
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@pyqtSlot(int) |
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def updateBlockchainHeight(self, height): |
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self._logger.debug('updating height to %d' % height) |
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i = 0 |
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for tx in self.tx_history: |
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if 'height' in tx and tx['height'] > 0: |
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tx['confirmations'] = height - tx['height'] + 1 |
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index = self.index(i,0) |
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roles = [self._ROLE_RMAP['confirmations']] |
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self.dataChanged.emit(index, index, roles) |
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i = i + 1
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