def _start_wizard_to_select_or_create_wallet(self, path) -> Optional[Abstract_Wallet]:
wizard = InstallWizard(self.config, self.app, self.plugins, gui_object=self)
try:
path, storage = wizard.select_storage(path, self.daemon.get_wallet)
# storage is None if file does not exist
if storage is None:
wizard.path = path # needed by trustedcoin plugin
wizard.run('new')
storage, db = wizard.create_storage(path)
else:
db = WalletDB(storage.read(), manual_upgrades=False)
if db.upgrade_done:
storage.backup_old_version()
wizard.run_upgrades(storage, db)
if getattr(storage, 'backup_message', None):
custom_message_box(icon=QMessageBox.Warning,
parent=None,
title=_('Information'),
text=storage.backup_message)
storage.backup_message = ''
except (UserCancelled, GoBack):
return
except WalletAlreadyOpenInMemory as e:
return e.wallet
finally:
wizard.terminate()
# return if wallet creation is not complete
if storage is None or db.get_action():
return
wallet = Wallet(db, storage, config=self.config)
wallet.start_network(self.daemon.network)
self.daemon.add_wallet(wallet)
return wallet
def _start_wizard_to_select_or_create_wallet(
self, path) -> Optional[Abstract_Wallet]:
wizard = InstallWizard(self.config, self.app, self.plugins)
try:
path, storage = wizard.select_storage(path, self.daemon.get_wallet)
# storage is None if file does not exist
if storage is None:
wizard.path = path # needed by trustedcoin plugin
wizard.run('new')
storage = wizard.create_storage(path)
else:
wizard.run_upgrades(storage)
except (UserCancelled, GoBack):
return
except WalletAlreadyOpenInMemory as e:
return e.wallet
finally:
wizard.terminate()
# return if wallet creation is not complete
if storage is None or storage.get_action():
return
wallet = Wallet(storage)
wallet.start_network(self.daemon.network)
self.daemon.add_wallet(wallet)
return wallet
def on_wizard_complete(self, wizard, storage):
if storage:
wallet = Wallet(storage)
wallet.start_network(self.daemon.network)
self.daemon.add_wallet(wallet)
self.load_wallet(wallet)
elif not self.wallet:
# wizard did not return a wallet; and there is no wallet open atm
# try to open last saved wallet (potentially start wizard again)
self.load_wallet_by_name(self.electrum_config.get_wallet_path(),
ask_if_wizard=True)
if getattr(wallet.storage, 'backup_message', None):
self.show_info(wallet.storage.backup_message)
class ElectrumGui:
def __init__(self, config, daemon, plugins):
self.config = config
self.network = daemon.network
storage = WalletStorage(config.get_wallet_path())
if not storage.file_exists():
print("Wallet not found. try 'electrum-pac create'")
exit()
if storage.is_encrypted():
password = getpass.getpass('Password:'******'')
self.encoding = locale.getpreferredencoding()
self.stdscr = curses.initscr()
curses.noecho()
curses.cbreak()
curses.start_color()
curses.use_default_colors()
curses.init_pair(1, curses.COLOR_WHITE, curses.COLOR_BLUE)
curses.init_pair(2, curses.COLOR_WHITE, curses.COLOR_CYAN)
curses.init_pair(3, curses.COLOR_BLACK, curses.COLOR_WHITE)
self.stdscr.keypad(1)
if getattr(storage, 'backup_message', None):
msg_key = 'Press any key to continue...'
self.stdscr.addstr(f'{storage.backup_message}\n\n{msg_key}')
self.stdscr.getch()
self.stdscr.border(0)
self.maxy, self.maxx = self.stdscr.getmaxyx()
self.set_cursor(0)
self.w = curses.newwin(10, 50, 5, 5)
console_stderr_handler.setLevel(logging.CRITICAL)
self.tab = 0
self.pos = 0
self.popup_pos = 0
self.str_recipient = ""
self.str_description = ""
self.str_amount = ""
self.str_fee = ""
self.history = None
self.show_dip2 = self.config.get('show_dip2_tx_type', False)
if self.network:
self.network.register_callback(self.update, ['wallet_updated', 'network_updated'])
self.tab_names = [_("History"), _("Send"), _("Receive"), _("Addresses"), _("Contacts"), _("Banner")]
self.num_tabs = len(self.tab_names)
def set_cursor(self, x):
try:
curses.curs_set(x)
except Exception:
pass
def restore_or_create(self):
pass
def verify_seed(self):
pass
def get_string(self, y, x):
self.set_cursor(1)
curses.echo()
self.stdscr.addstr( y, x, " "*20, curses.A_REVERSE)
s = self.stdscr.getstr(y,x)
curses.noecho()
self.set_cursor(0)
return s
def update(self, event, *args):
self.update_history()
if self.tab == 0:
self.print_history()
self.refresh()
def print_history(self):
if self.history is None:
self.update_history()
if self.show_dip2:
width = [20, 18, 22, 14, 14]
delta = (self.maxx - sum(width) - 5) // 3
format_str = ("%" + "%d" % width[0] + "s" +
"%" + "%d" % width[1] + "s" +
"%" + "%d" % (width[2] + delta) + "s" +
"%" + "%d" % (width[3] + delta) + "s" +
"%" + "%d" % (width[4] + delta) + "s")
headers = (format_str % (_("Date"), 'DIP2', _("Description"),
_("Amount"), _("Balance")))
else:
width = [20, 40, 14, 14]
delta = (self.maxx - sum(width) - 4) // 3
format_str = ("%" + "%d" % width[0] + "s" +
"%" + "%d" % (width[1] + delta) + "s" +
"%" + "%d" % (width[2] + delta) + "s" +
"%" + "%d" % (width[3] + delta) + "s")
headers = (format_str % (_("Date"), _("Description"),
_("Amount"), _("Balance")))
self.print_list(self.history[::-1], headers)
def update_history(self):
b = 0
self.history = []
hist_list = self.wallet.get_history(config=self.config)
for (tx_hash, tx_type, tx_mined_status, value, balance,
islock) in hist_list:
if tx_mined_status.conf:
timestamp = tx_mined_status.timestamp
try:
dttm = datetime.fromtimestamp(timestamp)
time_str = dttm.isoformat(' ')[:-3]
except Exception:
time_str = "------"
elif islock:
dttm = datetime.fromtimestamp(islock)
time_str = dttm.isoformat(' ')[:-3]
else:
time_str = 'unconfirmed'
label = self.wallet.get_label(tx_hash)
if self.show_dip2:
if len(label) > 22:
label = label[0:19] + '...'
tx_type_name = SPEC_TX_NAMES.get(tx_type, str(tx_type))
width = [20, 18, 22, 14, 14]
delta = (self.maxx - sum(width) - 5) // 3
format_str = ("%" + "%d" % width[0] + "s" +
"%" + "%d" % width[1] + "s" +
"%" + "%d" % (width[2] + delta) + "s" +
"%" + "%d" % (width[3] + delta) + "s" +
"%" + "%d" % (width[4] + delta) + "s")
msg = format_str % (time_str, tx_type_name, label,
format_satoshis(value, whitespaces=True),
format_satoshis(balance, whitespaces=True))
self.history.append(msg)
else:
if len(label) > 40:
label = label[0:37] + '...'
width = [20, 40, 14, 14]
delta = (self.maxx - sum(width) - 4) // 3
format_str = ("%" + "%d" % width[0] + "s" +
"%" + "%d" % (width[1] + delta) + "s" +
"%" + "%d" % (width[2] + delta) + "s" +
"%" + "%d" % (width[3] + delta) + "s")
msg = format_str % (time_str, label,
format_satoshis(value, whitespaces=True),
format_satoshis(balance, whitespaces=True))
self.history.append(msg)
def print_balance(self):
if not self.network:
msg = _("Offline")
elif self.network.is_connected():
if not self.wallet.up_to_date:
msg = _("Synchronizing...")
else:
c, u, x = self.wallet.get_balance()
msg = _("Balance")+": %f "%(Decimal(c) / COIN)
if u:
msg += " [%f unconfirmed]"%(Decimal(u) / COIN)
if x:
msg += " [%f unmatured]"%(Decimal(x) / COIN)
else:
msg = _("Not connected")
self.stdscr.addstr( self.maxy -1, 3, msg)
for i in range(self.num_tabs):
self.stdscr.addstr( 0, 2 + 2*i + len(''.join(self.tab_names[0:i])), ' '+self.tab_names[i]+' ', curses.A_BOLD if self.tab == i else 0)
self.stdscr.addstr(self.maxy -1, self.maxx-30, ' '.join([_("Settings"), _("Network"), _("Quit")]))
def print_receive(self):
addr = self.wallet.get_receiving_address()
self.stdscr.addstr(2, 1, "Address: "+addr)
self.print_qr(addr)
def print_contacts(self):
messages = map(lambda x: "%20s %45s "%(x[0], x[1][1]), self.contacts.items())
self.print_list(messages, "%19s %15s "%("Key", "Value"))
def print_addresses(self):
fmt = "%-35s %-30s"
messages = map(lambda addr: fmt % (addr, self.wallet.labels.get(addr,"")), self.wallet.get_addresses())
self.print_list(messages, fmt % ("Address", "Label"))
def print_edit_line(self, y, label, text, index, size):
text += " "*(size - len(text) )
self.stdscr.addstr( y, 2, label)
self.stdscr.addstr( y, 15, text, curses.A_REVERSE if self.pos%6==index else curses.color_pair(1))
def print_send_tab(self):
self.stdscr.clear()
self.print_edit_line(3, _("Pay to"), self.str_recipient, 0, 40)
self.print_edit_line(5, _("Description"), self.str_description, 1, 40)
self.print_edit_line(7, _("Amount"), self.str_amount, 2, 15)
self.print_edit_line(9, _("Fee"), self.str_fee, 3, 15)
self.stdscr.addstr( 12, 15, _("[Send]"), curses.A_REVERSE if self.pos%6==4 else curses.color_pair(2))
self.stdscr.addstr( 12, 25, _("[Clear]"), curses.A_REVERSE if self.pos%6==5 else curses.color_pair(2))
self.maxpos = 6
def print_banner(self):
if self.network and self.network.banner:
banner = self.network.banner
banner = banner.replace('\r', '')
self.print_list(banner.split('\n'))
def print_qr(self, data):
import qrcode
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
s = StringIO()
self.qr = qrcode.QRCode()
self.qr.add_data(data)
self.qr.print_ascii(out=s, invert=False)
msg = s.getvalue()
lines = msg.split('\n')
try:
for i, l in enumerate(lines):
l = l.encode("utf-8")
self.stdscr.addstr(i+5, 5, l, curses.color_pair(3))
except curses.error:
m = 'error. screen too small?'
m = m.encode(self.encoding)
self.stdscr.addstr(5, 1, m, 0)
def print_list(self, lst, firstline = None):
lst = list(lst)
self.maxpos = len(lst)
if not self.maxpos: return
if firstline:
firstline += " "*(self.maxx -2 - len(firstline))
self.stdscr.addstr( 1, 1, firstline )
for i in range(self.maxy-4):
msg = lst[i] if i < len(lst) else ""
msg += " "*(self.maxx - 2 - len(msg))
m = msg[0:self.maxx - 2]
m = m.encode(self.encoding)
self.stdscr.addstr( i+2, 1, m, curses.A_REVERSE if i == (self.pos % self.maxpos) else 0)
def refresh(self):
if self.tab == -1: return
self.stdscr.border(0)
self.print_balance()
self.stdscr.refresh()
def main_command(self):
c = self.stdscr.getch()
print(c)
cc = curses.unctrl(c).decode()
if c == curses.KEY_RIGHT: self.tab = (self.tab + 1)%self.num_tabs
elif c == curses.KEY_LEFT: self.tab = (self.tab - 1)%self.num_tabs
elif c == curses.KEY_DOWN: self.pos +=1
elif c == curses.KEY_UP: self.pos -= 1
elif c == 9: self.pos +=1 # tab
elif cc in ['^W', '^C', '^X', '^Q']: self.tab = -1
elif cc in ['^N']: self.network_dialog()
elif cc == '^S': self.settings_dialog()
else: return c
if self.pos<0: self.pos=0
if self.pos>=self.maxpos: self.pos=self.maxpos - 1
def run_tab(self, i, print_func, exec_func):
while self.tab == i:
self.stdscr.clear()
print_func()
self.refresh()
c = self.main_command()
if c: exec_func(c)
def run_history_tab(self, c):
if c == 10:
out = self.run_popup('',["blah","foo"])
def edit_str(self, target, c, is_num=False):
# detect backspace
cc = curses.unctrl(c).decode()
if c in [8, 127, 263] and target:
target = target[:-1]
elif not is_num or cc in '0123456789.':
target += cc
return target
def run_send_tab(self, c):
if self.pos%6 == 0:
self.str_recipient = self.edit_str(self.str_recipient, c)
if self.pos%6 == 1:
self.str_description = self.edit_str(self.str_description, c)
if self.pos%6 == 2:
self.str_amount = self.edit_str(self.str_amount, c, True)
elif self.pos%6 == 3:
self.str_fee = self.edit_str(self.str_fee, c, True)
elif self.pos%6==4:
if c == 10: self.do_send()
elif self.pos%6==5:
if c == 10: self.do_clear()
def run_receive_tab(self, c):
if c == 10:
out = self.run_popup('Address', ["Edit label", "Freeze", "Prioritize"])
def run_contacts_tab(self, c):
if c == 10 and self.contacts:
out = self.run_popup('Address', ["Copy", "Pay to", "Edit label", "Delete"]).get('button')
key = list(self.contacts.keys())[self.pos%len(self.contacts.keys())]
if out == "Pay to":
self.tab = 1
self.str_recipient = key
self.pos = 2
elif out == "Edit label":
s = self.get_string(6 + self.pos, 18)
if s:
self.wallet.labels[key] = s
def run_banner_tab(self, c):
self.show_message(repr(c))
pass
def main(self):
tty.setraw(sys.stdin)
try:
while self.tab != -1:
self.run_tab(0, self.print_history, self.run_history_tab)
self.run_tab(1, self.print_send_tab, self.run_send_tab)
self.run_tab(2, self.print_receive, self.run_receive_tab)
self.run_tab(3, self.print_addresses, self.run_banner_tab)
self.run_tab(4, self.print_contacts, self.run_contacts_tab)
self.run_tab(5, self.print_banner, self.run_banner_tab)
except curses.error as e:
raise Exception("Error with curses. Is your screen too small?") from e
finally:
tty.setcbreak(sys.stdin)
curses.nocbreak()
self.stdscr.keypad(0)
curses.echo()
curses.endwin()
def do_clear(self):
self.str_amount = ''
self.str_recipient = ''
self.str_fee = ''
self.str_description = ''
def do_send(self):
if not is_address(self.str_recipient):
self.show_message(_('Invalid PACGlobal address'))
return
try:
amount = int(Decimal(self.str_amount) * COIN)
except Exception:
self.show_message(_('Invalid Amount'))
return
try:
fee = int(Decimal(self.str_fee) * COIN)
except Exception:
self.show_message(_('Invalid Fee'))
return
if self.wallet.has_password():
password = self.password_dialog()
if not password:
return
else:
password = None
try:
tx = self.wallet.mktx([TxOutput(TYPE_ADDRESS, self.str_recipient, amount)],
password, self.config, fee)
except Exception as e:
self.show_message(str(e))
return
if self.str_description:
self.wallet.labels[tx.txid()] = self.str_description
self.show_message(_("Please wait..."), getchar=False)
try:
self.network.run_from_another_thread(self.network.broadcast_transaction(tx))
except TxBroadcastError as e:
msg = e.get_message_for_gui()
self.show_message(msg)
except BestEffortRequestFailed as e:
msg = repr(e)
self.show_message(msg)
else:
self.show_message(_('Payment sent.'))
self.do_clear()
#self.update_contacts_tab()
def show_message(self, message, getchar = True):
w = self.w
w.clear()
w.border(0)
for i, line in enumerate(message.split('\n')):
w.addstr(2+i,2,line)
w.refresh()
if getchar: c = self.stdscr.getch()
def run_popup(self, title, items):
return self.run_dialog(title, list(map(lambda x: {'type':'button','label':x}, items)), interval=1, y_pos = self.pos+3)
def network_dialog(self):
if not self.network:
return
net_params = self.network.get_parameters()
host, port, protocol = net_params.host, net_params.port, net_params.protocol
proxy_config, auto_connect = net_params.proxy, net_params.auto_connect
srv = 'auto-connect' if auto_connect else self.network.default_server
out = self.run_dialog('Network', [
{'label':'server', 'type':'str', 'value':srv},
{'label':'proxy', 'type':'str', 'value':self.config.get('proxy', '')},
], buttons = 1)
if out:
if out.get('server'):
server = out.get('server')
auto_connect = server == 'auto-connect'
if not auto_connect:
try:
host, port, protocol = deserialize_server(server)
except Exception:
self.show_message("Error:" + server + "\nIn doubt, type \"auto-connect\"")
return False
if out.get('server') or out.get('proxy'):
proxy = electrum_dash.network.deserialize_proxy(out.get('proxy')) if out.get('proxy') else proxy_config
net_params = NetworkParameters(host, port, protocol, proxy, auto_connect)
self.network.run_from_another_thread(self.network.set_parameters(net_params))
def settings_dialog(self):
fee = str(Decimal(self.config.fee_per_kb()) / COIN)
out = self.run_dialog('Settings', [
{'label':'Default fee', 'type':'satoshis', 'value': fee }
], buttons = 1)
if out:
if out.get('Default fee'):
fee = int(Decimal(out['Default fee']) * COIN)
self.config.set_key('fee_per_kb', fee, True)
def password_dialog(self):
out = self.run_dialog('Password', [
{'label':'Password', 'type':'password', 'value':''}
], buttons = 1)
return out.get('Password')
def run_dialog(self, title, items, interval=2, buttons=None, y_pos=3):
self.popup_pos = 0
self.w = curses.newwin( 5 + len(list(items))*interval + (2 if buttons else 0), 50, y_pos, 5)
w = self.w
out = {}
while True:
w.clear()
w.border(0)
w.addstr( 0, 2, title)
num = len(list(items))
numpos = num
if buttons: numpos += 2
for i in range(num):
item = items[i]
label = item.get('label')
if item.get('type') == 'list':
value = item.get('value','')
elif item.get('type') == 'satoshis':
value = item.get('value','')
elif item.get('type') == 'str':
value = item.get('value','')
elif item.get('type') == 'password':
value = '*'*len(item.get('value',''))
else:
value = ''
if value is None:
value = ''
if len(value)<20:
value += ' '*(20-len(value))
if 'value' in item:
w.addstr( 2+interval*i, 2, label)
w.addstr( 2+interval*i, 15, value, curses.A_REVERSE if self.popup_pos%numpos==i else curses.color_pair(1) )
else:
w.addstr( 2+interval*i, 2, label, curses.A_REVERSE if self.popup_pos%numpos==i else 0)
if buttons:
w.addstr( 5+interval*i, 10, "[ ok ]", curses.A_REVERSE if self.popup_pos%numpos==(numpos-2) else curses.color_pair(2))
w.addstr( 5+interval*i, 25, "[cancel]", curses.A_REVERSE if self.popup_pos%numpos==(numpos-1) else curses.color_pair(2))
w.refresh()
c = self.stdscr.getch()
if c in [ord('q'), 27]: break
elif c in [curses.KEY_LEFT, curses.KEY_UP]: self.popup_pos -= 1
elif c in [curses.KEY_RIGHT, curses.KEY_DOWN]: self.popup_pos +=1
else:
i = self.popup_pos%numpos
if buttons and c==10:
if i == numpos-2:
return out
elif i == numpos -1:
return {}
item = items[i]
_type = item.get('type')
if _type == 'str':
item['value'] = self.edit_str(item['value'], c)
out[item.get('label')] = item.get('value')
elif _type == 'password':
item['value'] = self.edit_str(item['value'], c)
out[item.get('label')] = item ['value']
elif _type == 'satoshis':
item['value'] = self.edit_str(item['value'], c, True)
out[item.get('label')] = item.get('value')
elif _type == 'list':
choices = item.get('choices')
try:
j = choices.index(item.get('value'))
except Exception:
j = 0
new_choice = choices[(j + 1)% len(choices)]
item['value'] = new_choice
out[item.get('label')] = item.get('value')
elif _type == 'button':
out['button'] = item.get('label')
break
return out
config = SimpleConfig({"testnet": True}) # to use ~/.electrum-dash/testnet as datadir
constants.set_testnet() # to set testnet magic bytes
daemon = Daemon(config, listen_jsonrpc=False)
network = daemon.network
assert network.asyncio_loop.is_running()
# get wallet on disk
wallet_dir = os.path.dirname(config.get_wallet_path())
wallet_path = os.path.join(wallet_dir, "test_wallet")
if not os.path.exists(wallet_path):
create_new_wallet(path=wallet_path)
# open wallet
storage = WalletStorage(wallet_path)
wallet = Wallet(storage)
wallet.start_network(network)
# you can use ~CLI commands by accessing command_runner
command_runner = Commands(config, wallet=None, network=network)
command_runner.wallet = wallet
print("balance", command_runner.getbalance())
print("addr", command_runner.getunusedaddress())
print("gettx", command_runner.gettransaction("d8ee577f6b864071c6ccbac1e30d0d19edd6fa9a171be02b85a73fd533f2734d"))
# but you might as well interact with the underlying methods directly
print("balance", wallet.get_balance())
print("addr", wallet.get_unused_address())
print("gettx", network.run_from_another_thread(network.get_transaction("d8ee577f6b864071c6ccbac1e30d0d19edd6fa9a171be02b85a73fd533f2734d")))