def restore(self):
global restore_task, restore_dir
clear_action_updates()
if restoring():
log('already restoring blockchain')
else:
from blockchain_backup.bitcoin.restore import RestoreTask
restore_task = RestoreTask(restore_dir)
restore_task.start()
log('restore blockchain started')
# make sure the button doesn't appear any more
bitcoin_utils.send_socketio_message('button', ' ')
context = bitcoin_utils.get_blockchain_context()
context['header'] = 'Restoring Bitcoin Blockchain'
context[
'notice'] = 'WARNING: Do not shut down your computer until the restore finishes.'
context['progress'] = 'Starting to restore the blockchain'
context['update_interval'] = '1000'
response = render(self.request,
'bitcoin/restore.html',
context=context)
return response
def ask_user_to_confirm(self, request, backup_dates, preselected_date,
context):
''' Set up to ask the user to confirm they want to restore. '''
log('ask user to confirm they want to restore the blockchain')
clear_action_updates()
form = RestoreForm()
show_backup_dates = len(backup_dates) > 1
if show_backup_dates:
warning = self.WARNING1
else:
warning = self.WARNING2.format(preselected_date[1])
context[
'header'] = '<h4>Are you sure you want to restore the Bitcoin blockchain?</h4>'
context['notice'] = warning
context['subnotice'] = ''
context[
'backup_dates_with_dirs'], __ = state.get_backup_dates_and_dirs()
context['form'] = form
context['update_interval'] = '1000'
# make sure we replace any notice about an error with the warning
bitcoin_utils.send_socketio_message('notice',
warning.replace('\n', '<br/>'))
response = render(request,
'bitcoin/ready_to_restore.html',
context=context)
return response
def update_location(self, location):
'''
Send browser to a new location.
>>> manager = BitcoinManager('blockchain_backup.bitcoin.manager.log')
>>> manager.update_location(constants.BACKUP_URL)
'''
set_action_update(constants.LOCATION_NAME, location)
utils.send_socketio_message(constants.LOCATION_NAME, location)
def update_menu(self, menu_state):
'''
Update whether the menu is active or not.
>>> manager = BitcoinManager('blockchain_backup.bitcoin.manager.log')
>>> manager.update_menu(constants.DISABLE_ITEM)
'''
html = f'state={menu_state}'
set_action_update('nav-link', html)
utils.send_socketio_message('nav-link', html)
def update_alert_color(self, color):
'''
Change the color of the alert box.
>>> manager = BitcoinManager('blockchain_backup.bitcoin.manager.log')
>>> manager.update_alert_color('green')
'''
html = f'style=max-width: 40rem; background-color:{color}'
set_action_update('alert', html)
utils.send_socketio_message('alert', html)
def update_progress(self, text):
'''
Send progress update to user.
>>> manager = BitcoinManager('blockchain_backup.bitcoin.manager.log')
>>> manager.update_progress('Details')
'''
if self.last_progress_update != text:
self.last_progress_update = text
html = text.replace('\n', '<br/>')
set_action_update('progress', html)
utils.send_socketio_message('progress', html)
self.log(f'progress: {text}')
def update_subnotice(self, text):
'''
Send a sub-notice to the user.
>>> manager = BitcoinManager('blockchain_backup.bitcoin.manager.log')
>>> manager.update_subnotice('More info')
'''
if self.last_subnotice_update != text:
self.last_subnotice_update = text
html = text.replace('\n', '<br/>')
set_action_update('subnotice', html)
utils.send_socketio_message('subnotice', html)
self.log(f'subnotice: {text}')
def update_header(self, text):
'''
Send an updated header to the user.
>>> manager = BitcoinManager('blockchain_backup.bitcoin.manager.log')
>>> manager.update_header('Test Header')
'''
if self.last_header_update != text:
self.last_header_update = text
html = text.replace('\n', '<br/>')
set_action_update('header', html)
utils.send_socketio_message('header', html)
self.log(f'header: {text}')
def get_page(self, request):
global backup_task
log('backing up blockchain')
clear_action_updates()
# check that no other bitcoin-core app is running
if bitcoin_utils.is_bitcoin_core_running():
message = NO_BACKUP_IF_CORE_RUNNING
response = warn_core_running(request, message=message)
# tell user if another app is running
elif bitcoin_utils.is_restore_running():
response = warn_bcb_app_running(request,
app=constants.RESTORE_PROGRAM)
# tell user if another task is running
elif accessing_wallet() or updating() or restoring():
response = warn_bcb_task_running(request)
# tell user if backups have been disabled
elif not state.get_backups_enabled():
response = HttpResponseRedirect('/bitcoin/change_backup_status/')
log('tried to backup when backups disabled')
log(f'response: {response}')
else:
SUBNOTICE1 = 'If you need to stop the backup, then <a class="btn btn-secondary " href="/bitcoin/interrupt_backup/"'
SUBNOTICE2 = 'role="button" id="stop-button" title="Click to stop backing up the blockchain">click here</a>.'
SUBNOTICE = f'{SUBNOTICE1} {SUBNOTICE2}'
context = bitcoin_utils.get_blockchain_context()
data_dir_ok, error = preferences.data_dir_ok()
if not preferences.bin_dir_ok():
context['notice'] = BAD_BIN_DIR
context['subnotice'] = ''
elif not data_dir_ok:
context['notice'] = BAD_DATA_DIR
context['subnotice'] = error
else:
context['header'] = "Backing up bitcoin's blockchain"
context[
'notice'] = 'WARNING: Stopping the backup could damage the ability to restore the blockchain.'
context['subnotice'] = SUBNOTICE
context['progress'] = 'Starting to back up the blockchain'
context['update_interval'] = '1000'
if backing_up():
log('already backing_up blockchain')
else:
from blockchain_backup.bitcoin.backup import BackupTask
backup_task = BackupTask()
backup_task.start()
log('backup started')
# make sure the button doesn't appear any more
bitcoin_utils.send_socketio_message('button', ' ')
response = render(request, 'bitcoin/backup.html', context=context)
return response
def get_page(self, request):
global update_task
log('trying to update blockchain')
clear_action_updates()
# check that no other bitcoin-core app is running
if (bitcoin_utils.is_bitcoin_qt_running()
or bitcoin_utils.is_bitcoin_tx_running()
or (bitcoin_utils.is_bitcoind_running() and not updating())):
response = warn_core_running(request)
# tell user if another blockchain_backup app is running
elif bitcoin_utils.is_backup_running(
) or bitcoin_utils.is_restore_running():
response = warn_bcb_app_running(request)
# tell user if another task is running
elif accessing_wallet() or backing_up() or restoring():
response = warn_bcb_task_running(request)
else:
NOTICE1 = 'WARNING: Don\'t shut down your computer before you <a class="btn btn-secondary " role="button"'
NOTICE2 = 'id="stop_button" href="/bitcoin/interrupt_update/" title="Click to stop updating the blockchain">Stop update</a>'
NOTICE = f'{NOTICE1} {NOTICE2}'
context = bitcoin_utils.get_blockchain_context()
data_dir_ok, error = preferences.data_dir_ok()
if not preferences.bin_dir_ok():
context['notice'] = BAD_BIN_DIR
log(BAD_BIN_DIR)
elif not data_dir_ok:
context['notice'] = BAD_DATA_DIR
log(error)
else:
context['header'] = "Updating Bitcoin's blockchain"
context[
'notice'] = 'WARNING: Don\'t shut down your computer before you <a class="btn btn-secondary " role="button" id="stop_button" href="/bitcoin/interrupt_update/" title="Click to stop updating the blockchain">Stop update</a>'
context[
'subnotice'] = 'Shutting down before this window says it is safe <em>could damage the blockchain</em>.'
context['progress'] = 'Starting to update the blockchain'
context['update_interval'] = '5000'
if updating():
log('already updating blockchain')
else:
from blockchain_backup.bitcoin.update import UpdateTask
update_task = UpdateTask()
update_task.start()
log('UpdateTask started')
# make sure the button doesn't appear any more
bitcoin_utils.send_socketio_message('button', ' ')
log(f'context: {context}')
response = render(request, 'bitcoin/update.html', context=context)
return response
def get_page(self, request):
global accessing_wallet_task
log('accessing bitcoin interactively')
clear_action_updates()
# it's ok if bitcoin-qt is running in our task
if (bitcoin_utils.is_bitcoind_running()
or bitcoin_utils.is_bitcoin_tx_running()
or (bitcoin_utils.is_bitcoin_qt_running()
and not accessing_wallet())):
response = warn_core_running(request)
# tell user if another app is running
elif bitcoin_utils.is_backup_running(
) or bitcoin_utils.is_restore_running():
response = warn_bcb_app_running(request)
# tell user if another task is running
elif updating() or backing_up() or restoring():
response = warn_bcb_task_running(request)
else:
SUBNOTICE1 = "Waiting until you exit Bitcoin-QT.<p>Bitcoin-QT will start in another window."
SUBNOTICE2 = "You can send and receive transactions from that window."
SUBNOTICE3 = "After you exit Bitcoin-QT, Blockchain Backup will continue updating the blockchain until it's time to back it up."
SUBNOTICE4 = "Don't forget to back up your wallet routinely."
SUBNOTICE = f'{SUBNOTICE1} {SUBNOTICE2} {SUBNOTICE3} {SUBNOTICE4}'
context = bitcoin_utils.get_blockchain_context()
data_dir_ok, error = preferences.data_dir_ok()
if not preferences.bin_dir_ok():
context['notice'] = BAD_BIN_DIR
elif not data_dir_ok:
context['notice'] = BAD_DATA_DIR
context['subnotice'] = error
else:
context[
'header'] = "Accessing Bitcoin Core Wallet Interactively"
context[
'notice'] = 'WARNING: Do not shut down your computer until Bitcoin-QT stops completely.'
context['subnotice'] = SUBNOTICE
if accessing_wallet():
log('already accessing wallet')
else:
from blockchain_backup.bitcoin.access_wallet import AccessWalletTask
accessing_wallet_task = AccessWalletTask()
accessing_wallet_task.start()
log('access wallet started')
# make sure the button doesn't appear any more
bitcoin_utils.send_socketio_message('button', ' ')
response = render(request,
'bitcoin/access_wallet.html',
context=context)
return response