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 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)
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
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):
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"
if self.history is None:
self.update_history()
self.print_list(
self.history[::-1], format_str %
(_("Date"), _("Description"), _("Amount"), _("Balance")))
def update_history(self):
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"
b = 0
self.history = []
for tx_hash, tx_mined_status, value, balance in self.wallet.get_history(
):
if tx_mined_status.conf:
timestamp = tx_mined_status.timestamp
try:
time_str = datetime.datetime.fromtimestamp(
timestamp).isoformat(' ')[:-3]
except Exception:
time_str = "------"
else:
time_str = 'unconfirmed'
label = self.wallet.get_label(tx_hash)
if len(label) > 40:
label = label[0:37] + '...'
self.history.append(
format_str %
(time_str, label, format_satoshis(value, whitespaces=True),
format_satoshis(balance, whitespaces=True)))
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 EXOS 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_exos.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
# 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, segwit=True)
# 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(
"bd3a700b2822e10a034d110c11a596ee7481732533eb6aca7f9ca02911c70a4f"))
# 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(
"bd3a700b2822e10a034d110c11a596ee7481732533eb6aca7f9ca02911c70a4f")
))