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import tty
import sys
import curses
import datetime
import locale
from decimal import Decimal
import getpass
import logging
import pyperclip
from typing import TYPE_CHECKING, Optional
import electrum
from electrum.gui import BaseElectrumGui
from electrum import util
from electrum.util import format_satoshis, format_time
from electrum.util import EventListener, event_listener
from electrum.bitcoin import is_address, address_to_script, COIN
from electrum.transaction import PartialTxOutput
from electrum.wallet import Wallet, Abstract_Wallet
from electrum.wallet_db import WalletDB
from electrum.storage import WalletStorage
from electrum.network import NetworkParameters, TxBroadcastError, BestEffortRequestFailed
from electrum.interface import ServerAddr
from electrum.invoices import Invoice
from electrum.invoices import PR_DEFAULT_EXPIRATION_WHEN_CREATING
if TYPE_CHECKING:
from electrum.daemon import Daemon
from electrum.simple_config import SimpleConfig
from electrum.plugin import Plugins
_ = lambda x:x # i18n
def parse_bip21(text):
try:
return util.parse_URI(text)
except Exception:
return
def parse_bolt11(text):
from electrum.lnaddr import lndecode
try:
return lndecode(text)
except Exception:
return
class ElectrumGui(BaseElectrumGui, EventListener):
def __init__(self, *, config: 'SimpleConfig', daemon: 'Daemon', plugins: 'Plugins'):
BaseElectrumGui.__init__(self, config=config, daemon=daemon, plugins=plugins)
self.network = daemon.network
storage = WalletStorage(config.get_wallet_path(use_gui_last_wallet=True))
if not storage.file_exists():
print("Wallet not found. try 'electrum create'")
exit()
if storage.is_encrypted():
password = getpass.getpass('Password:', stream=None)
storage.decrypt(password)
db = WalletDB(storage.read(), manual_upgrades=False)
self.wallet = Wallet(db, storage, config=config) # type: Optional[Abstract_Wallet]
self.wallet.start_network(self.network)
self.contacts = self.wallet.contacts
locale.setlocale(locale.LC_ALL, '')
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)
curses.halfdelay(1)
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)
self.lightning_invoice = None
self.tab = 0
self.pos = 0
self.popup_pos = 0
self.str_recipient = ""
self.str_description = ""
self.str_amount = ""
self.history = None
self.txid = []
self.str_recv_description = ""
self.str_recv_amount = ""
self.str_recv_expiry = ""
self.channel_ids = []
self.requests = []
self.register_callbacks()
self.tab_names = [_("History"), _("Send"), _("Receive"), _("Addresses"), _("Coins"), _("Channels"), _("Contacts"), _("Banner")]
self.num_tabs = len(self.tab_names)
self.need_update = False
def stop(self):
self.tab = -1
@event_listener
def on_event_wallet_updated(self, wallet):
self.need_update = True
@event_listener
def on_event_network_updated(self):
self.need_update = True
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):
self.update_history()
if self.tab == 0:
self.print_history()
self.refresh()
self.need_update = False
def print_button(self, x, y, text, pos):
self.stdscr.addstr(x, y, text, curses.A_REVERSE if self.pos%self.max_pos==pos else curses.color_pair(2))
def print_edit_line(self, y, x, label, text, index, size):
text += " "*(size - len(text))
self.stdscr.addstr(y, x, label)
self.stdscr.addstr(y, x + 13, text, curses.A_REVERSE if self.pos%self.max_pos==index else curses.color_pair(1))
def print_history(self):
x = 2
self.history_format_str = self.format_column_width(x, [-20, '*', 15, 15])
if self.history is None:
self.update_history()
self.print_list(2, x, self.history[::-1], headers=self.history_format_str%(_("Date"), _("Description"), _("Amount"), _("Balance")))
def update_history(self):
width = [20, 40, 14, 14]
delta = (self.maxx - sum(width) - 4)/3
domain = self.wallet.get_addresses()
self.history = []
self.txid = []
for item in self.wallet.get_full_history().values():
amount_sat = item['value'].value
balance_sat = item['balance'].value
if item.get('lightning'):
timestamp = item['timestamp']
label = self.wallet.get_label_for_rhash(item['payment_hash'])
self.txid.insert(0, item['payment_hash'])
else:
conf = item['confirmations']
timestamp = item['timestamp'] if conf > 0 else 0
label = self.wallet.get_label_for_txid(item['txid'])
self.txid.insert(0, item['txid'])
if timestamp:
time_str = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
else:
time_str = 'unconfirmed'
if len(label) > 40:
label = label[0:37] + '...'
self.history.append(self.history_format_str % (
time_str, label,
self.config.format_amount(amount_sat, whitespaces=True),
self.config.format_amount(balance_sat, whitespaces=True)))
def print_clipboard(self):
return
c = pyperclip.paste()
if c:
if len(c) > 20:
c = c[0:20] + '...'
self.stdscr.addstr(self.maxy -1, self.maxx // 3, ' ' + _('Clipboard') + ': ' + c + ' ')
def print_balance(self):
if not self.network:
msg = _("Offline")
elif self.network.is_connected():
if not self.wallet.is_up_to_date():
msg = _("Synchronizing...")
else:
balance = sum(self.wallet.get_balances_for_piechart())
msg = _("Balance") + ': ' + self.config.format_amount_and_units(balance)
else:
msg = _("Not connected")
msg = ' ' + msg + ' '
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_REVERSE if self.tab == i else 0)
self.stdscr.addstr(self.maxy -1, self.maxx-30, ' ' + ' '.join([_("Settings"), _("Network"), _("Quit")]) + ' ')
def print_receive_tab(self):
self.stdscr.clear()
self.buttons = {}
self.max_pos = 5 + len(list(self.wallet.get_unpaid_requests()))
self.index = 0
self.add_edit_line(3, 2, _("Description"), self.str_recv_description, 40)
self.add_edit_line(5, 2, _("Amount"), self.str_recv_amount, 15)
self.stdscr.addstr(5, 31, self.config.get_base_unit())
self.add_edit_line(7, 2, _("Expiry"), self.str_recv_expiry, 15)
self.add_button(9, 15, _("[Create]"), self.do_create_request)
self.add_button(9, 25, _("[Clear]"), self.do_clear_request)
self.print_requests_list(13, 2, offset_pos=5)
return
def run_receive_tab(self, c):
if self.pos == 0:
self.str_recv_description = self.edit_str(self.str_recv_description, c)
elif self.pos == 1:
self.str_recv_amount = self.edit_str(self.str_recv_amount, c)
elif self.pos in self.buttons and c == 10:
self.buttons[self.pos]()
elif self.pos >= 5 and c == 10:
key = self.requests[self.pos - 5]
self.show_request(key)
def question(self, msg):
out = self.run_popup(msg, ["No", "Yes"]).get('button')
return out == "Yes"
def show_invoice_menu(self):
key = self.invoices[self.pos - 7]
invoice = self.wallet.get_invoice(key)
out = self.run_popup('Invoice', ["Pay", "Delete"]).get('button')
if out == "Pay":
self.do_pay_invoice(invoice)
elif out == "Delete":
self.wallet.delete_invoice(key)
self.max_pos -= 1
def format_column_width(self, offset, width):
delta = self.maxx -2 -offset - sum([abs(x) for x in width if x != '*'])
fmt = ''
for w in width:
if w == '*':
fmt += "%-" + "%d"%delta + "s"
else:
fmt += "%" + "%d"%w + "s"
return fmt
def print_invoices_list(self, y, x, offset_pos):
messages = []
invoices = []
fmt = self.format_column_width(x, [-20, '*', 15, 25])
headers = fmt % ("Date", "Description", "Amount", "Status")
for req in self.wallet.get_unpaid_invoices():
key = req.get_id()
status = self.wallet.get_invoice_status(req)
status_str = req.get_status_str(status)
timestamp = req.get_time()
date = format_time(timestamp)
amount = req.get_amount_sat()
message = req.get_message()
amount_str = self.config.format_amount(amount) if amount else ""
labels = []
messages.append(fmt % (date, message, amount_str, status_str))
invoices.append(key)
self.invoices = invoices
self.print_list(y, x, messages, headers=headers, offset_pos=offset_pos)
def print_requests_list(self, y, x, offset_pos):
messages = []
requests = []
fmt = self.format_column_width(x, [-20, '*', 15, 25])
headers = fmt % ("Date", "Description", "Amount", "Status")
for req in self.wallet.get_unpaid_requests():
key = req.get_id()
status = self.wallet.get_invoice_status(req)
status_str = req.get_status_str(status)
timestamp = req.get_time()
date = format_time(timestamp)
amount = req.get_amount_sat()
message = req.get_message()
amount_str = self.config.format_amount(amount) if amount else ""
labels = []
messages.append(fmt % (date, message, amount_str, status_str))
requests.append(key)
self.requests = requests
self.print_list(y, x, messages, headers=headers, offset_pos=offset_pos)
def print_contacts(self):
messages = list(map(lambda x: "%20s %45s "%(x[0], x[1][1]), self.contacts.items()))
self.print_list(2, 1, messages, "%19s %15s "%("Key", "Value"))
def print_addresses(self):
x = 2
fmt = self.format_column_width(x, [-50, '*', 15])
messages = [ fmt % (
addr,
self.wallet.get_label_for_address(addr),
self.config.format_amount(sum(self.wallet.get_addr_balance(addr)), whitespaces=True)
) for addr in self.wallet.get_addresses() ]
self.print_list(2, x, messages, fmt % ("Address", "Description", "Balance"))
def print_utxos(self):
x = 2
fmt = self.format_column_width(x, [-70, '*', 15])
utxos = self.wallet.get_utxos()
messages = [ fmt % (
utxo.prevout.to_str(),
self.wallet.get_label_for_txid(utxo.prevout.txid.hex()),
self.config.format_amount(utxo.value_sats(), whitespaces=True)
) for utxo in utxos]
self.print_list(2, x, sorted(messages), fmt % ("Outpoint", "Description", "Balance"))
def print_channels(self):
if not self.wallet.lnworker:
return
fmt = "%-35s %-10s %-30s"
channels = self.wallet.lnworker.get_channel_objects()
messages = []
channel_ids = []
for chan in channels.values():
channel_ids.append(chan.short_id_for_GUI())
messages.append(fmt % (chan.short_id_for_GUI(), self.config.format_amount(chan.get_capacity()), chan.get_state().name))
self.channel_ids = channel_ids
self.print_list(2, 1, messages, fmt % ("Scid", "Capacity", "State"))
def print_send_tab(self):
self.stdscr.clear()
self.buttons = {}
self.max_pos = 7 + len(list(self.wallet.get_unpaid_invoices()))
self.index = 0
self.add_edit_line(3, 2, _("Pay to"), self.str_recipient, 40)
self.add_edit_line(5, 2, _("Description"), self.str_description, 40)
self.add_edit_line(7, 2, _("Amount"), self.str_amount, 15)
self.stdscr.addstr(7, 31, self.config.get_base_unit())
self.add_button(9, 15, _("[Paste]"), self.do_paste)
self.add_button(9, 25, _("[Clear]"), self.do_clear)
self.add_button(9, 35, _("[Save]"), self.do_save_invoice)
self.add_button(9, 44, _("[Pay]"), self.do_pay)
#
self.print_invoices_list(13, 2, offset_pos=7)
def add_edit_line(self, y, x, title, data, length):
self.print_edit_line(y, x, title, data, self.index, length)
self.index += 1
def add_button(self, y, x, title, action):
self.print_button(y, x, title, self.index)
self.buttons[self.index] = action
self.index += 1
def print_banner(self):
if self.network and self.network.banner:
banner = self.network.banner
banner = banner.replace('\r', '')
self.print_list(2, 1, banner.split('\n'))
def get_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')
return lines
def print_qr(self, w, y, x, lines):
try:
for i, l in enumerate(lines):
l = l.encode("utf-8")
w.addstr(y + i, x, l, curses.color_pair(3))
except curses.error:
m = 'error. screen too small?'
m = m.encode(self.encoding)
w.addstr(y, x, m, 0)
def print_list(self, y, x, lst, headers=None, offset_pos=0):
self.list_length = len(lst)
if not self.list_length:
return
if headers:
headers += " "*(self.maxx -2 - len(headers))
self.stdscr.addstr(y, x, headers, curses.A_BOLD)
for i in range(self.maxy - 2 - y):
msg = lst[i] if i < self.list_length else ""
msg += " "*(self.maxx - 2 - len(msg))
m = msg[0:self.maxx - 2]
m = m.encode(self.encoding)
selected = self.pos >= offset_pos and (i == ((self.pos - offset_pos) % self.list_length))
self.stdscr.addstr(i+y+1, x, m, curses.A_REVERSE if selected else 0)
self.max_pos = self.list_length + offset_pos
def refresh(self):
if self.tab == -1:
return
self.stdscr.border(0)
self.print_balance()
self.print_clipboard()
self.stdscr.refresh()
def increase_cursor(self, delta):
self.pos += delta
self.pos = max(0, self.pos)
self.pos = min(self.pos, self.max_pos - 1)
def getch(self, redraw=False):
while True:
c = self.stdscr.getch()
if c != -1:
return c
if self.need_update and redraw:
self.update()
if self.tab == -1:
return 27
def main_command(self):
c = self.getch(redraw=True)
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 in [curses.KEY_DOWN, 9]:
self.increase_cursor(1)
elif c == curses.KEY_UP:
self.increase_cursor(-1)
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
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):
# Get txid from cursor position
if c == 10:
out = self.run_popup('', ['Transaction ID:', self.txid[self.pos]])
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):
self.pos = self.pos % self.max_pos
if self.pos == 0:
self.str_recipient = self.edit_str(self.str_recipient, c)
elif self.pos == 1:
self.str_description = self.edit_str(self.str_description, c)
elif self.pos == 2:
self.str_amount = self.edit_str(self.str_amount, c, True)
elif self.pos in self.buttons and c == 10:
self.buttons[self.pos]()
elif self.pos >= 7 and c == 10:
self.show_invoice_menu()
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.set_label(key, s)
def run_addresses_tab(self, c):
pass
def run_utxos_tab(self, c):
pass
def run_channels_tab(self, c):
if c == 10:
out = self.run_popup('Channel Details', ['Short channel ID:', self.channel_ids[self.pos]])
def run_banner_tab(self, c):
self.show_message(repr(c))
pass
def main(self):
self.daemon.start_network()
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_tab, self.run_receive_tab)
self.run_tab(3, self.print_addresses, self.run_addresses_tab)
self.run_tab(4, self.print_utxos, self.run_utxos_tab)
self.run_tab(5, self.print_channels, self.run_channels_tab)
self.run_tab(6, self.print_contacts, self.run_contacts_tab)
self.run_tab(7, 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_create_request(self):
amount_sat = self.parse_amount(self.str_recv_amount)
if not amount_sat:
self.show_message(_('Invalid Amount'))
return
if amount_sat < self.wallet.dust_threshold():
address = None
if not self.wallet.has_lightning():
return
else:
address = self.wallet.get_unused_address()
if not address:
return
message = self.str_recv_description
expiry = self.config.get('request_expiry', PR_DEFAULT_EXPIRATION_WHEN_CREATING)
key = self.wallet.create_request(amount_sat, message, expiry, address)
self.do_clear_request()
self.pos = self.max_pos
self.show_request(key)
def do_clear_request(self):
self.str_recv_amount = ""
self.str_recv_description = ""
def do_paste(self):
text = pyperclip.paste()
text = text.strip()
if not text:
return
if is_address(text):
self.str_recipient = text
self.lightning_invoice = None
elif out := parse_bip21(text):
amount_sat = out.get('amount')
self.str_amount = self.config.format_amount(amount_sat) if amount_sat is not None else ''
self.str_recipient = out.get('address') or ''
self.str_description = out.get('message') or ''
self.lightning_invoice = None
elif lnaddr := parse_bolt11(text):
amount_sat = lnaddr.get_amount_sat()
self.str_recipient = lnaddr.pubkey.serialize().hex()
self.str_description = lnaddr.get_description()
self.str_amount = self.config.format_amount(amount_sat) if amount_sat is not None else ''
self.lightning_invoice = text
else:
self.show_message(_('Could not parse clipboard text') + '\n\n' + text[0:20] + '...')
def parse_amount(self, text):
try:
x = Decimal(text)
except Exception:
return None
power = pow(10, self.config.get_decimal_point())
return int(power * x)
def read_invoice(self):
if self.lightning_invoice:
invoice = Invoice.from_bech32(self.lightning_invoice)
if invoice.amount_msat is None:
amount_sat = self.parse_amount(self.str_amount)
if amount_sat:
invoice.amount_msat = int(amount_sat * 1000)
else:
self.show_error(_('No amount'))
return
elif is_address(self.str_recipient):
amount_sat = self.parse_amount(self.str_amount)
scriptpubkey = bytes.fromhex(address_to_script(self.str_recipient))
outputs = [PartialTxOutput(scriptpubkey=scriptpubkey, value=amount_sat)]
invoice = self.wallet.create_invoice(
outputs=outputs,
message=self.str_description,
pr=None,
URI=None)
else:
self.show_message(_('Invalid Bitcoin address'))
return
return invoice
def do_save_invoice(self):
invoice = self.read_invoice()
if not invoice:
return
self.save_pending_invoice(invoice)
def save_pending_invoice(self, invoice):
self.do_clear()
self.wallet.save_invoice(invoice)
self.pending_invoice = None
def do_pay(self):
invoice = self.read_invoice()
if not invoice:
return
self.do_pay_invoice(invoice)
def do_pay_invoice(self, invoice):
if invoice.is_lightning():
self.pay_lightning_invoice(invoice)
else:
self.pay_onchain_dialog(invoice)
def pay_lightning_invoice(self, invoice):
amount_msat = invoice.get_amount_msat()
msg = _("Pay lightning invoice?")
#+ '\n\n' + _("This will send {}?").format(self.format_amount_and_units(Decimal(amount_msat)/1000))
if not self.question(msg):
return
self.save_pending_invoice(invoice)
coro = self.wallet.lnworker.pay_invoice(invoice.lightning_invoice, amount_msat=amount_msat)
#self.window.run_coroutine_from_thread(coro, _('Sending payment'))
self.show_message(_("Please wait..."), getchar=False)
try:
self.network.run_from_another_thread(coro)
except Exception as e:
self.show_message(str(e))
else:
self.show_message(_('Payment sent.'))
def pay_onchain_dialog(self, invoice):
if self.wallet.has_password():
password = self.password_dialog()
if not password:
return
else:
password = None
try:
tx = self.wallet.mktx(
outputs=invoice.outputs,
password=password,
fee=None)
except Exception as e:
self.show_message(repr(e))
return
if self.str_description:
self.wallet.set_label(tx.txid(), self.str_description)
self.save_pending_invoice(invoice)
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.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()
server_addr = net_params.server
proxy_config, auto_connect = net_params.proxy, net_params.auto_connect
srv = 'auto-connect' if auto_connect else str(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_str = out.get('server')
auto_connect = server_str == 'auto-connect'
if not auto_connect:
try:
server_addr = ServerAddr.from_str(server_str)
except Exception:
self.show_message("Error:" + server_str + "\nIn doubt, type \"auto-connect\"")
return False
if out.get('server') or out.get('proxy'):
proxy = electrum.network.deserialize_proxy(out.get('proxy')) if out.get('proxy') else proxy_config
net_params = NetworkParameters(
server=server_addr,
proxy=proxy,
auto_connect=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), 68, 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.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
def print_textbox(self, w, y, x, _text, highlighted):
width = 60
for i in range(len(_text)//width + 1):
s = _text[i*width:(i+1)*width]
w.addstr(y+i, x, s, curses.A_REVERSE if highlighted else curses.A_NORMAL)
return i
def show_request(self, key):
req = self.wallet.get_request(key)
addr = req.get_address() or ''
URI = self.wallet.get_request_URI(req) or ''
lnaddr = req.lightning_invoice or ''
w = curses.newwin(self.maxy - 2, self.maxx - 2, 1, 1)
pos = 4
while True:
if pos == 1:
text = URI
data = URI
elif pos == 2:
text = lnaddr
data = lnaddr.upper()
else:
text = addr
data = addr
w.clear()
w.border(0)
w.addstr(0, 2, ' ' + _('Payment Request') + ' ')
y = 2
w.addstr(y, 2, "Address")
h1 = self.print_textbox(w, y, 13, addr, pos==0)
y += h1 + 2
w.addstr(y, 2, "URI")
h2 = self.print_textbox(w, y, 13, URI, pos==1)
y += h2 + 2
w.addstr(y, 2, "Lightning")
h3 = self.print_textbox(w, y, 13, lnaddr, pos==2)
y += h3 + 2
lines = self.get_qr(data)
qr_width = len(lines) * 2
x = self.maxx - qr_width
if x > 60:
self.print_qr(w, 1, x, lines)
else:
w.addstr(y, 35, "(Window too small for QR code)")
w.addstr(y, 13, "[Delete]", curses.A_REVERSE if pos==3 else curses.color_pair(2))
w.addstr(y, 25, "[Close]", curses.A_REVERSE if pos==4 else curses.color_pair(2))
w.refresh()
c = self.getch()
if c in [curses.KEY_UP]:
pos -= 1
elif c in [curses.KEY_DOWN, 9]:
pos +=1
elif c == 10:
if pos in [0,1,2]:
pyperclip.copy(text)
self.show_message('Text copied to clipboard')
elif pos == 3:
if self.question("Delete Request?"):
self.wallet.delete_request(key)
self.max_pos -= 1
break
elif pos ==4:
break
else:
break
pos = pos % 5
self.stdscr.refresh()
return