0dae17339d
On Android, we disallow screenshots on screens where the seed is visible. (The seed is extremely sensitive data that should not be stored digitally without significant precautions but it's also cumbersome to write down or memorise, so some people instinctively just try to take a screenshot of it when creating a wallet.) We do this by using the built-in OS mechanism of setting FLAG_SECURE on the window. However, on some devices with custom ROMs (one report from LineageOS, one from /e/OS), unsetting FLAG_SECURE crashes the application for some reason. As a workaround, this commit adds a config setting into the Preferences, to disable this mechanism and just always allow screenshots. (note that you can get into the qml Preferences before creating/opening any wallet) ref https://github.com/spesmilo/electrum/issues/8522
312 lines
12 KiB
Python
312 lines
12 KiB
Python
import copy
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from decimal import Decimal
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from typing import TYPE_CHECKING
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from PyQt6.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, QRegularExpression
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from electrum.bitcoin import TOTAL_COIN_SUPPLY_LIMIT_IN_BTC
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from electrum.i18n import set_language, languages
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from electrum.logging import get_logger
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from electrum.util import base_unit_name_to_decimal_point
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from .qetypes import QEAmount
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from .auth import AuthMixin, auth_protect
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if TYPE_CHECKING:
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from electrum.simple_config import SimpleConfig
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class QEConfig(AuthMixin, QObject):
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_logger = get_logger(__name__)
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def __init__(self, config: 'SimpleConfig', parent=None):
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super().__init__(parent)
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self.config = config
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languageChanged = pyqtSignal()
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@pyqtProperty(str, notify=languageChanged)
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def language(self):
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return self.config.LOCALIZATION_LANGUAGE
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@language.setter
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def language(self, language):
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if language not in languages:
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return
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if self.config.LOCALIZATION_LANGUAGE != language:
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self.config.LOCALIZATION_LANGUAGE = language
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set_language(language)
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self.languageChanged.emit()
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languagesChanged = pyqtSignal()
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@pyqtProperty('QVariantList', notify=languagesChanged)
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def languagesAvailable(self):
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# sort on translated languages, then re-add Default on top
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langs = copy.deepcopy(languages)
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default = langs.pop('')
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langs_sorted = sorted(list(map(lambda x: {'value': x[0], 'text': x[1]}, langs.items())), key=lambda x: x['text'])
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langs_sorted.insert(0, {'value': '', 'text': default})
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return langs_sorted
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autoConnectChanged = pyqtSignal()
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@pyqtProperty(bool, notify=autoConnectChanged)
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def autoConnect(self):
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return self.config.NETWORK_AUTO_CONNECT
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@autoConnect.setter
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def autoConnect(self, auto_connect):
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self.config.NETWORK_AUTO_CONNECT = auto_connect
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self.autoConnectChanged.emit()
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# auto_connect is actually a tri-state, expose the undefined case
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@pyqtProperty(bool, notify=autoConnectChanged)
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def autoConnectDefined(self):
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return self.config.cv.NETWORK_AUTO_CONNECT.is_set()
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baseUnitChanged = pyqtSignal()
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@pyqtProperty(str, notify=baseUnitChanged)
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def baseUnit(self):
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return self.config.get_base_unit()
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@baseUnit.setter
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def baseUnit(self, unit):
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self.config.set_base_unit(unit)
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self.baseUnitChanged.emit()
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@pyqtProperty('QRegularExpression', notify=baseUnitChanged)
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def btcAmountRegex(self):
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decimal_point = base_unit_name_to_decimal_point(self.config.get_base_unit())
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max_digits_before_dp = (
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len(str(TOTAL_COIN_SUPPLY_LIMIT_IN_BTC))
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+ (base_unit_name_to_decimal_point("BTC") - decimal_point))
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exp = '[0-9]{0,%d}' % max_digits_before_dp
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if decimal_point > 0:
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exp += '\\.'
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exp += '[0-9]{0,%d}' % decimal_point
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return QRegularExpression(exp)
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thousandsSeparatorChanged = pyqtSignal()
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@pyqtProperty(bool, notify=thousandsSeparatorChanged)
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def thousandsSeparator(self):
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return self.config.BTC_AMOUNTS_ADD_THOUSANDS_SEP
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@thousandsSeparator.setter
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def thousandsSeparator(self, checked):
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self.config.BTC_AMOUNTS_ADD_THOUSANDS_SEP = checked
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self.config.amt_add_thousands_sep = checked
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self.thousandsSeparatorChanged.emit()
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spendUnconfirmedChanged = pyqtSignal()
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@pyqtProperty(bool, notify=spendUnconfirmedChanged)
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def spendUnconfirmed(self):
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return not self.config.WALLET_SPEND_CONFIRMED_ONLY
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@spendUnconfirmed.setter
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def spendUnconfirmed(self, checked):
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self.config.WALLET_SPEND_CONFIRMED_ONLY = not checked
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self.spendUnconfirmedChanged.emit()
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requestExpiryChanged = pyqtSignal()
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@pyqtProperty(int, notify=requestExpiryChanged)
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def requestExpiry(self):
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return self.config.WALLET_PAYREQ_EXPIRY_SECONDS
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@requestExpiry.setter
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def requestExpiry(self, expiry):
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self.config.WALLET_PAYREQ_EXPIRY_SECONDS = expiry
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self.requestExpiryChanged.emit()
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pinCodeChanged = pyqtSignal()
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@pyqtProperty(str, notify=pinCodeChanged)
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def pinCode(self):
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return self.config.CONFIG_PIN_CODE or ""
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@pinCode.setter
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def pinCode(self, pin_code):
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if pin_code == '':
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self.pinCodeRemoveAuth()
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else:
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self.config.CONFIG_PIN_CODE = pin_code
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self.pinCodeChanged.emit()
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@auth_protect(method='wallet')
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def pinCodeRemoveAuth(self):
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self.config.CONFIG_PIN_CODE = ""
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self.pinCodeChanged.emit()
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useGossipChanged = pyqtSignal()
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@pyqtProperty(bool, notify=useGossipChanged)
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def useGossip(self):
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return self.config.LIGHTNING_USE_GOSSIP
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@useGossip.setter
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def useGossip(self, gossip):
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self.config.LIGHTNING_USE_GOSSIP = gossip
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self.useGossipChanged.emit()
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useFallbackAddressChanged = pyqtSignal()
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@pyqtProperty(bool, notify=useFallbackAddressChanged)
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def useFallbackAddress(self):
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return self.config.WALLET_BOLT11_FALLBACK
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@useFallbackAddress.setter
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def useFallbackAddress(self, use_fallback):
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self.config.WALLET_BOLT11_FALLBACK = use_fallback
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self.useFallbackAddressChanged.emit()
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enableDebugLogsChanged = pyqtSignal()
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@pyqtProperty(bool, notify=enableDebugLogsChanged)
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def enableDebugLogs(self):
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gui_setting = self.config.GUI_ENABLE_DEBUG_LOGS
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return gui_setting or bool(self.config.get('verbosity'))
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@pyqtProperty(bool, notify=enableDebugLogsChanged)
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def canToggleDebugLogs(self):
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gui_setting = self.config.GUI_ENABLE_DEBUG_LOGS
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return not self.config.get('verbosity') or gui_setting
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@enableDebugLogs.setter
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def enableDebugLogs(self, enable):
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self.config.GUI_ENABLE_DEBUG_LOGS = enable
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self.enableDebugLogsChanged.emit()
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alwaysAllowScreenshotsChanged = pyqtSignal()
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@pyqtProperty(bool, notify=alwaysAllowScreenshotsChanged)
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def alwaysAllowScreenshots(self):
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return self.config.GUI_QML_ALWAYS_ALLOW_SCREENSHOTS
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@alwaysAllowScreenshots.setter
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def alwaysAllowScreenshots(self, enable):
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self.config.GUI_QML_ALWAYS_ALLOW_SCREENSHOTS = enable
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self.alwaysAllowScreenshotsChanged.emit()
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useRecoverableChannelsChanged = pyqtSignal()
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@pyqtProperty(bool, notify=useRecoverableChannelsChanged)
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def useRecoverableChannels(self):
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return self.config.LIGHTNING_USE_RECOVERABLE_CHANNELS
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@useRecoverableChannels.setter
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def useRecoverableChannels(self, useRecoverableChannels):
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self.config.LIGHTNING_USE_RECOVERABLE_CHANNELS = useRecoverableChannels
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self.useRecoverableChannelsChanged.emit()
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trustedcoinPrepayChanged = pyqtSignal()
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@pyqtProperty(int, notify=trustedcoinPrepayChanged)
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def trustedcoinPrepay(self):
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return self.config.PLUGIN_TRUSTEDCOIN_NUM_PREPAY
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@trustedcoinPrepay.setter
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def trustedcoinPrepay(self, num_prepay):
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if num_prepay != self.config.PLUGIN_TRUSTEDCOIN_NUM_PREPAY:
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self.config.PLUGIN_TRUSTEDCOIN_NUM_PREPAY = num_prepay
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self.trustedcoinPrepayChanged.emit()
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preferredRequestTypeChanged = pyqtSignal()
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@pyqtProperty(str, notify=preferredRequestTypeChanged)
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def preferredRequestType(self):
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return self.config.GUI_QML_PREFERRED_REQUEST_TYPE
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@preferredRequestType.setter
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def preferredRequestType(self, preferred_request_type):
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if preferred_request_type != self.config.GUI_QML_PREFERRED_REQUEST_TYPE:
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self.config.GUI_QML_PREFERRED_REQUEST_TYPE = preferred_request_type
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self.preferredRequestTypeChanged.emit()
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userKnowsPressAndHoldChanged = pyqtSignal()
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@pyqtProperty(bool, notify=userKnowsPressAndHoldChanged)
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def userKnowsPressAndHold(self):
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return self.config.GUI_QML_USER_KNOWS_PRESS_AND_HOLD
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@userKnowsPressAndHold.setter
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def userKnowsPressAndHold(self, userKnowsPressAndHold):
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if userKnowsPressAndHold != self.config.GUI_QML_USER_KNOWS_PRESS_AND_HOLD:
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self.config.GUI_QML_USER_KNOWS_PRESS_AND_HOLD = userKnowsPressAndHold
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self.userKnowsPressAndHoldChanged.emit()
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addresslistShowTypeChanged = pyqtSignal()
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@pyqtProperty(int, notify=addresslistShowTypeChanged)
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def addresslistShowType(self):
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return self.config.GUI_QML_ADDRESS_LIST_SHOW_TYPE
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@addresslistShowType.setter
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def addresslistShowType(self, addresslistShowType):
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if addresslistShowType != self.config.GUI_QML_ADDRESS_LIST_SHOW_TYPE:
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self.config.GUI_QML_ADDRESS_LIST_SHOW_TYPE = addresslistShowType
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self.addresslistShowTypeChanged.emit()
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addresslistShowUsedChanged = pyqtSignal()
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@pyqtProperty(bool, notify=addresslistShowUsedChanged)
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def addresslistShowUsed(self):
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return self.config.GUI_QML_ADDRESS_LIST_SHOW_USED
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@addresslistShowUsed.setter
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def addresslistShowUsed(self, addresslistShowUsed):
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if addresslistShowUsed != self.config.GUI_QML_ADDRESS_LIST_SHOW_USED:
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self.config.GUI_QML_ADDRESS_LIST_SHOW_USED = addresslistShowUsed
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self.addresslistShowUsedChanged.emit()
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@pyqtSlot('qint64', result=str)
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@pyqtSlot(QEAmount, result=str)
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def formatSatsForEditing(self, satoshis):
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if isinstance(satoshis, QEAmount):
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satoshis = satoshis.satsInt
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return self.config.format_amount(
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satoshis,
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add_thousands_sep=False,
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)
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@pyqtSlot('qint64', result=str)
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@pyqtSlot('qint64', bool, result=str)
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@pyqtSlot(QEAmount, result=str)
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@pyqtSlot(QEAmount, bool, result=str)
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def formatSats(self, satoshis, with_unit=False):
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if isinstance(satoshis, QEAmount):
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satoshis = satoshis.satsInt
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if with_unit:
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return self.config.format_amount_and_units(satoshis)
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else:
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return self.config.format_amount(satoshis)
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@pyqtSlot(QEAmount, result=str)
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@pyqtSlot(QEAmount, bool, result=str)
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def formatMilliSats(self, amount, with_unit=False):
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if isinstance(amount, QEAmount):
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msats = amount.msatsInt
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else:
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return '---'
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precision = 3 # config.amt_precision_post_satoshi is not exposed in preferences
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if with_unit:
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return self.config.format_amount_and_units(msats/1000, precision=precision)
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else:
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return self.config.format_amount(msats/1000, precision=precision)
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# TODO delegate all this to config.py/util.py
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def decimal_point(self):
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return self.config.BTC_AMOUNTS_DECIMAL_POINT
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def max_precision(self):
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return self.decimal_point() + 0 # self.extra_precision
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@pyqtSlot(str, result=QEAmount)
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def unitsToSats(self, unitAmount):
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self._amount = QEAmount()
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try:
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x = Decimal(unitAmount)
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except Exception:
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return self._amount
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# scale it to max allowed precision, make it an int
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max_prec_amount = int(pow(10, self.max_precision()) * x)
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# if the max precision is simply what unit conversion allows, just return
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if self.max_precision() == self.decimal_point():
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self._amount = QEAmount(amount_sat=max_prec_amount)
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return self._amount
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self._logger.debug('fallthrough')
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# otherwise, scale it back to the expected unit
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#amount = Decimal(max_prec_amount) / Decimal(pow(10, self.max_precision()-self.decimal_point()))
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#return int(amount) #Decimal(amount) if not self.is_int else int(amount)
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return self._amount
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@pyqtSlot('quint64', result=float)
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def satsToUnits(self, satoshis):
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return satoshis / pow(10, self.config.decimal_point)
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