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https://github.com/LBRYFoundation/LBRY-Vault.git
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73 lines
2.9 KiB
Python
73 lines
2.9 KiB
Python
# Copyright (C) 2020 The Electrum developers
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# Distributed under the MIT software license, see the accompanying
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# file LICENCE or http://www.opensource.org/licenses/mit-license.php
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from PyQt5.QtCore import Qt
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from PyQt5.QtWidgets import QWidget, QVBoxLayout, QGridLayout, QLabel, QListWidget, QListWidgetItem
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from electrum.i18n import _
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from electrum.network import Network
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from electrum.bip39_recovery import account_discovery
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from electrum.logging import get_logger
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from .util import WindowModalDialog, MessageBoxMixin, TaskThread, Buttons, CancelButton, OkButton
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_logger = get_logger(__name__)
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class Bip39RecoveryDialog(WindowModalDialog):
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def __init__(self, parent: QWidget, get_account_xpub, on_account_select):
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self.get_account_xpub = get_account_xpub
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self.on_account_select = on_account_select
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WindowModalDialog.__init__(self, parent, _('BIP39 Recovery'))
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self.setMinimumWidth(400)
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vbox = QVBoxLayout(self)
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self.content = QVBoxLayout()
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self.content.addWidget(QLabel(_('Scanning common paths for existing accounts...')))
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vbox.addLayout(self.content)
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self.ok_button = OkButton(self)
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self.ok_button.clicked.connect(self.on_ok_button_click)
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self.ok_button.setEnabled(False)
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vbox.addLayout(Buttons(CancelButton(self), self.ok_button))
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self.finished.connect(self.on_finished)
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self.show()
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self.thread = TaskThread(self)
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self.thread.finished.connect(self.deleteLater) # see #3956
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self.thread.add(self.recovery, self.on_recovery_success, None, self.on_recovery_error)
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def on_finished(self):
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self.thread.stop()
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def on_ok_button_click(self):
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item = self.list.currentItem()
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account = item.data(Qt.UserRole)
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self.on_account_select(account)
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def recovery(self):
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network = Network.get_instance()
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coroutine = account_discovery(network, self.get_account_xpub)
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return network.run_from_another_thread(coroutine)
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def on_recovery_success(self, accounts):
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self.clear_content()
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if len(accounts) == 0:
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self.content.addWidget(QLabel(_('No existing accounts found.')))
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return
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self.content.addWidget(QLabel(_('Choose an account to restore.')))
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self.list = QListWidget()
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for account in accounts:
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item = QListWidgetItem(account['description'])
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item.setData(Qt.UserRole, account)
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self.list.addItem(item)
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self.list.clicked.connect(lambda: self.ok_button.setEnabled(True))
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self.content.addWidget(self.list)
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def on_recovery_error(self, exc_info):
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self.clear_content()
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self.content.addWidget(QLabel(_('Error: Account discovery failed.')))
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_logger.error(f"recovery error", exc_info=exc_info)
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def clear_content(self):
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for i in reversed(range(self.content.count())):
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self.content.itemAt(i).widget().setParent(None)
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