def run(self):
self.log('started AccessWalletTask')
ok = need_backup = False
error_message = None
try:
self.manager = BitcoinManager(self.log_name)
self.manager.update_menu(constants.DISABLE_ITEM)
if not os.path.exists(self.manager.data_dir):
os.makedirs(self.manager.data_dir)
ok, error_message = self.run_qt()
if ok:
need_backup = bitcoin_utils.need_to_backup(self.manager.data_dir, self.current_block)
if need_backup:
self.log('need to backup')
self.manager.update_location(constants.BACKUP_URL)
else:
self.log('continuing to update blockchain')
self.manager.update_location(constants.SYNC_URL)
else:
# don't allow any more backups until the user tells us it's ok
state.set_backups_enabled(False)
if error_message is None:
self.log('unexpected error')
if DEBUG:
notice = format_exc()
else:
notice = self.BITCOIN_QT_UNEXPECTED_ERROR
self.manager.update_progress('{} {}'.format(
notice, bitcoin_utils.get_ok_button()))
else:
self.log('bitcoin-qt error')
notice_and_button = '{}{}'.format(
constants.RESTORE_BITCOIN, bitcoin_utils.get_ok_button())
self.manager.update_header(self.BITCOIN_QT_ERROR)
self.manager.update_notice(notice_and_button)
self.manager.update_subnotice(error_message)
self.manager.update_menu(constants.ENABLE_ITEM)
except Exception:
need_backup = False
error = format_exc()
self.log(error)
if self.manager:
if DEBUG:
self.manager.update_progress(error)
else:
self.manager.update_progress(self.BITCOIN_QT_UNEXPECTED_ERROR)
self.manager.update_menu(constants.ENABLE_ITEM)
self.log('finished AccessWalletTask')
def test_backup_when_backups_disabled(self):
'''
Test trying to back up when backups disabled.
'''
state.set_backups_enabled(False)
request = self.factory.get('/bitcoin/backup/')
response = views.Backup.as_view()(request)
self.assertEqual(response.status_code, 302)
self.assertEqual(response.url, '/bitcoin/change_backup_status/')
self.assertFalse(is_backup_running())
state.set_backups_enabled(True)
def post_page(self, request):
backups_enabled = ('enable-backups-button' in request.POST
or 'leave-backups-enabled-button' in request.POST)
if state.get_backups_enabled() != backups_enabled:
state.set_backups_enabled(backups_enabled)
if backups_enabled:
messages.success(request, BACKUPS_ENABLED)
else:
messages.success(request, BACKUPS_DISABLED)
# send them back to the home page
response = HttpResponseRedirect('/')
return response
def test_change_backup_status(self):
'''
Test changing the backup status.
'''
state.set_backups_enabled(True)
request = self.factory.get('/bitcoin/change_backup_status/')
response = views.ChangeBackupStatus.as_view()(request)
self.assertEqual(response.status_code, 200)
self.assertTrue(b"<title>\nBackups Enabled | Blockchain Backup\n</title>" in response.content)
self.assertTrue(b'Disable backups' in response.content)
self.assertTrue(b'Leave backups enabled' in response.content)
state.set_backups_enabled(False)
request = self.factory.get('/bitcoin/change_backup_status/')
response = views.ChangeBackupStatus.as_view()(request)
self.assertEqual(response.status_code, 200)
self.assertTrue(b"<title>\nBackups Disabled | Blockchain Backup\n</title>" in response.content)
self.assertTrue(b'Leave backups disabled' in response.content)
self.assertTrue(b'Enable backups' in response.content)
def test_interrupt_update(self):
'''
Interrupt the update.
'''
set_backups_enabled(True)
update_task = UpdateTask()
self.assertFalse(update_task is None)
self.assertFalse(update_task.is_interrupted())
update_task.interrupt()
self.assertTrue(update_task.is_interrupted())
request = self.factory.get('/bitcoin/update/')
response = Update.as_view()(request)
self.assertEqual(response.status_code, 200)
sleep(60)
request = self.factory.get('/bitcoin/interrupt_update/')
InterruptUpdate.as_view()(request)
def restore(self):
'''
Restore blockchain from newest backup,
or the backup the user selected.
>>> from blockchain_backup.bitcoin.tests import utils as test_utils
>>> test_utils.init_database()
>>> restore_task = RestoreTask(os.path.join(gettempdir(), 'bitcoin/data/testnet3/backups/level1'))
>>> restore_task.manager = BitcoinManager(restore_task.log_name)
>>> restore_task.restore()
True
>>> restore_task.is_interrupted()
False
'''
ok = True
self.log(f'starting restoration from {self.restore_dir}')
self.manager.update_menu(constants.DISABLE_ITEM)
bitcoin_utils.check_for_updates(force=True, reason='restore')
ok = self.restore_files_and_dirs()
if ok and not self.is_interrupted():
# pass the args because delete_extra_files is recursive
ok = self.delete_extra_files(self.restore_dir,
self.manager.data_dir)
if ok and not self.is_interrupted():
ok = self.restore_metadata()
if ok and not self.is_interrupted():
self.restore_bcb_state()
if not self.is_interrupted():
if ok:
# we don't want to warn that a backup is needed
# just after we restore from a backup
set_last_backed_up_time(now())
else:
self.remove_last_updated_file()
if self.is_interrupted():
self.log('restore stopped by user')
self.manager.update_header(self.RESTORE_STOPPED)
self.manager.update_notice(self.RESTORE_WARNING)
self.manager.update_subnotice(' ')
else:
if ok:
self.log('finished bulk restore')
state.set_backups_enabled(False)
self.log(
'stopping backups after restore until user verifies everything ok'
)
self.manager.update_header(self.RESTORE_DONE)
self.manager.notify_done(notice=self.RESTORE_FINISHED)
self.manager.update_subnotice(self.RESTORE_BACKUPS_OK)
else:
self.manager.update_notice(self.RESTORE_WARNING)
self.manager.update_subnotice(' ')
self.manager.update_menu(constants.ENABLE_ITEM)
return ok
