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503 lines
18 KiB
503 lines
18 KiB
import tty, sys |
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import curses, datetime, locale |
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from decimal import Decimal |
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import getpass |
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import electrum |
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from electrum.util import format_satoshis, set_verbosity |
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from electrum.bitcoin import is_address, COIN, TYPE_ADDRESS |
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from electrum import Wallet, WalletStorage |
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_ = lambda x:x |
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class ElectrumGui: |
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def __init__(self, config, daemon, plugins): |
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self.config = config |
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self.network = daemon.network |
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storage = WalletStorage(config.get_wallet_path()) |
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if not storage.file_exists(): |
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print("Wallet not found. try 'electrum create'") |
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exit() |
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if storage.is_encrypted(): |
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password = getpass.getpass('Password:', stream=None) |
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storage.decrypt(password) |
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self.wallet = Wallet(storage) |
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self.wallet.start_threads(self.network) |
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self.contacts = self.wallet.contacts |
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locale.setlocale(locale.LC_ALL, '') |
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self.encoding = locale.getpreferredencoding() |
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self.stdscr = curses.initscr() |
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curses.noecho() |
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curses.cbreak() |
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curses.start_color() |
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curses.use_default_colors() |
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curses.init_pair(1, curses.COLOR_WHITE, curses.COLOR_BLUE) |
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curses.init_pair(2, curses.COLOR_WHITE, curses.COLOR_CYAN) |
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curses.init_pair(3, curses.COLOR_BLACK, curses.COLOR_WHITE) |
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self.stdscr.keypad(1) |
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self.stdscr.border(0) |
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self.maxy, self.maxx = self.stdscr.getmaxyx() |
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self.set_cursor(0) |
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self.w = curses.newwin(10, 50, 5, 5) |
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set_verbosity(False) |
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self.tab = 0 |
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self.pos = 0 |
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self.popup_pos = 0 |
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self.str_recipient = "" |
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self.str_description = "" |
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self.str_amount = "" |
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self.str_fee = "" |
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self.history = None |
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if self.network: |
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self.network.register_callback(self.update, ['updated']) |
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self.tab_names = [_("History"), _("Send"), _("Receive"), _("Addresses"), _("Contacts"), _("Banner")] |
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self.num_tabs = len(self.tab_names) |
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def set_cursor(self, x): |
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try: |
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curses.curs_set(x) |
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except Exception: |
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pass |
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def restore_or_create(self): |
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pass |
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def verify_seed(self): |
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pass |
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def get_string(self, y, x): |
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self.set_cursor(1) |
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curses.echo() |
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self.stdscr.addstr( y, x, " "*20, curses.A_REVERSE) |
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s = self.stdscr.getstr(y,x) |
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curses.noecho() |
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self.set_cursor(0) |
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return s |
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def update(self, event): |
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self.update_history() |
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if self.tab == 0: |
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self.print_history() |
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self.refresh() |
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def print_history(self): |
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width = [20, 40, 14, 14] |
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delta = (self.maxx - sum(width) - 4)/3 |
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format_str = "%"+"%d"%width[0]+"s"+"%"+"%d"%(width[1]+delta)+"s"+"%"+"%d"%(width[2]+delta)+"s"+"%"+"%d"%(width[3]+delta)+"s" |
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if self.history is None: |
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self.update_history() |
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self.print_list(self.history[::-1], format_str%( _("Date"), _("Description"), _("Amount"), _("Balance"))) |
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def update_history(self): |
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width = [20, 40, 14, 14] |
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delta = (self.maxx - sum(width) - 4)/3 |
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format_str = "%"+"%d"%width[0]+"s"+"%"+"%d"%(width[1]+delta)+"s"+"%"+"%d"%(width[2]+delta)+"s"+"%"+"%d"%(width[3]+delta)+"s" |
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b = 0 |
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self.history = [] |
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for item in self.wallet.get_history(): |
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tx_hash, height, conf, timestamp, value, balance = item |
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if conf: |
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try: |
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time_str = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3] |
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except Exception: |
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time_str = "------" |
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else: |
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time_str = 'unconfirmed' |
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label = self.wallet.get_label(tx_hash) |
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if len(label) > 40: |
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label = label[0:37] + '...' |
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self.history.append( format_str%( time_str, label, format_satoshis(value, whitespaces=True), format_satoshis(balance, whitespaces=True) ) ) |
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def print_balance(self): |
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if not self.network: |
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msg = _("Offline") |
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elif self.network.is_connected(): |
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if not self.wallet.up_to_date: |
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msg = _("Synchronizing...") |
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else: |
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c, u, x = self.wallet.get_balance() |
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msg = _("Balance")+": %f "%(Decimal(c) / COIN) |
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if u: |
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msg += " [%f unconfirmed]"%(Decimal(u) / COIN) |
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if x: |
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msg += " [%f unmatured]"%(Decimal(x) / COIN) |
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else: |
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msg = _("Not connected") |
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self.stdscr.addstr( self.maxy -1, 3, msg) |
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for i in range(self.num_tabs): |
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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) |
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self.stdscr.addstr(self.maxy -1, self.maxx-30, ' '.join([_("Settings"), _("Network"), _("Quit")])) |
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def print_receive(self): |
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addr = self.wallet.get_receiving_address() |
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self.stdscr.addstr(2, 1, "Address: "+addr) |
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self.print_qr(addr) |
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def print_contacts(self): |
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messages = map(lambda x: "%20s %45s "%(x[0], x[1][1]), self.contacts.items()) |
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self.print_list(messages, "%19s %15s "%("Key", "Value")) |
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def print_addresses(self): |
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fmt = "%-35s %-30s" |
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messages = map(lambda addr: fmt % (addr, self.wallet.labels.get(addr,"")), self.wallet.get_addresses()) |
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self.print_list(messages, fmt % ("Address", "Label")) |
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def print_edit_line(self, y, label, text, index, size): |
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text += " "*(size - len(text) ) |
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self.stdscr.addstr( y, 2, label) |
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self.stdscr.addstr( y, 15, text, curses.A_REVERSE if self.pos%6==index else curses.color_pair(1)) |
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def print_send_tab(self): |
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self.stdscr.clear() |
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self.print_edit_line(3, _("Pay to"), self.str_recipient, 0, 40) |
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self.print_edit_line(5, _("Description"), self.str_description, 1, 40) |
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self.print_edit_line(7, _("Amount"), self.str_amount, 2, 15) |
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self.print_edit_line(9, _("Fee"), self.str_fee, 3, 15) |
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self.stdscr.addstr( 12, 15, _("[Send]"), curses.A_REVERSE if self.pos%6==4 else curses.color_pair(2)) |
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self.stdscr.addstr( 12, 25, _("[Clear]"), curses.A_REVERSE if self.pos%6==5 else curses.color_pair(2)) |
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self.maxpos = 6 |
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def print_banner(self): |
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if self.network: |
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self.print_list( self.network.banner.split('\n')) |
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def print_qr(self, data): |
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import qrcode |
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try: |
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from StringIO import StringIO |
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except ImportError: |
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from io import StringIO |
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s = StringIO() |
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self.qr = qrcode.QRCode() |
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self.qr.add_data(data) |
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self.qr.print_ascii(out=s, invert=False) |
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msg = s.getvalue() |
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lines = msg.split('\n') |
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for i, l in enumerate(lines): |
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l = l.encode("utf-8") |
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self.stdscr.addstr(i+5, 5, l, curses.color_pair(3)) |
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def print_list(self, lst, firstline = None): |
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lst = list(lst) |
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self.maxpos = len(lst) |
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if not self.maxpos: return |
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if firstline: |
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firstline += " "*(self.maxx -2 - len(firstline)) |
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self.stdscr.addstr( 1, 1, firstline ) |
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for i in range(self.maxy-4): |
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msg = lst[i] if i < len(lst) else "" |
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msg += " "*(self.maxx - 2 - len(msg)) |
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m = msg[0:self.maxx - 2] |
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m = m.encode(self.encoding) |
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self.stdscr.addstr( i+2, 1, m, curses.A_REVERSE if i == (self.pos % self.maxpos) else 0) |
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def refresh(self): |
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if self.tab == -1: return |
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self.stdscr.border(0) |
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self.print_balance() |
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self.stdscr.refresh() |
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def main_command(self): |
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c = self.stdscr.getch() |
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print(c) |
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cc = curses.unctrl(c).decode() |
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if c == curses.KEY_RIGHT: self.tab = (self.tab + 1)%self.num_tabs |
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elif c == curses.KEY_LEFT: self.tab = (self.tab - 1)%self.num_tabs |
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elif c == curses.KEY_DOWN: self.pos +=1 |
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elif c == curses.KEY_UP: self.pos -= 1 |
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elif c == 9: self.pos +=1 # tab |
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elif cc in ['^W', '^C', '^X', '^Q']: self.tab = -1 |
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elif cc in ['^N']: self.network_dialog() |
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elif cc == '^S': self.settings_dialog() |
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else: return c |
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if self.pos<0: self.pos=0 |
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if self.pos>=self.maxpos: self.pos=self.maxpos - 1 |
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def run_tab(self, i, print_func, exec_func): |
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while self.tab == i: |
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self.stdscr.clear() |
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print_func() |
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self.refresh() |
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c = self.main_command() |
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if c: exec_func(c) |
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def run_history_tab(self, c): |
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if c == 10: |
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out = self.run_popup('',["blah","foo"]) |
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def edit_str(self, target, c, is_num=False): |
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# detect backspace |
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cc = curses.unctrl(c).decode() |
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if c in [8, 127, 263] and target: |
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target = target[:-1] |
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elif not is_num or cc in '0123456789.': |
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target += cc |
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return target |
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def run_send_tab(self, c): |
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if self.pos%6 == 0: |
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self.str_recipient = self.edit_str(self.str_recipient, c) |
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if self.pos%6 == 1: |
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self.str_description = self.edit_str(self.str_description, c) |
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if self.pos%6 == 2: |
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self.str_amount = self.edit_str(self.str_amount, c, True) |
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elif self.pos%6 == 3: |
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self.str_fee = self.edit_str(self.str_fee, c, True) |
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elif self.pos%6==4: |
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if c == 10: self.do_send() |
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elif self.pos%6==5: |
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if c == 10: self.do_clear() |
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def run_receive_tab(self, c): |
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if c == 10: |
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out = self.run_popup('Address', ["Edit label", "Freeze", "Prioritize"]) |
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def run_contacts_tab(self, c): |
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if c == 10 and self.contacts: |
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out = self.run_popup('Address', ["Copy", "Pay to", "Edit label", "Delete"]).get('button') |
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key = list(self.contacts.keys())[self.pos%len(self.contacts.keys())] |
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if out == "Pay to": |
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self.tab = 1 |
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self.str_recipient = key |
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self.pos = 2 |
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elif out == "Edit label": |
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s = self.get_string(6 + self.pos, 18) |
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if s: |
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self.wallet.labels[key] = s |
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def run_banner_tab(self, c): |
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self.show_message(repr(c)) |
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pass |
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def main(self): |
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tty.setraw(sys.stdin) |
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while self.tab != -1: |
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self.run_tab(0, self.print_history, self.run_history_tab) |
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self.run_tab(1, self.print_send_tab, self.run_send_tab) |
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self.run_tab(2, self.print_receive, self.run_receive_tab) |
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self.run_tab(3, self.print_addresses, self.run_banner_tab) |
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self.run_tab(4, self.print_contacts, self.run_contacts_tab) |
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self.run_tab(5, self.print_banner, self.run_banner_tab) |
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tty.setcbreak(sys.stdin) |
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curses.nocbreak() |
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self.stdscr.keypad(0) |
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curses.echo() |
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curses.endwin() |
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def do_clear(self): |
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self.str_amount = '' |
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self.str_recipient = '' |
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self.str_fee = '' |
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self.str_description = '' |
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def do_send(self): |
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if not is_address(self.str_recipient): |
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self.show_message(_('Invalid Bitcoin address')) |
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return |
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try: |
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amount = int(Decimal(self.str_amount) * COIN) |
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except Exception: |
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self.show_message(_('Invalid Amount')) |
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return |
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try: |
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fee = int(Decimal(self.str_fee) * COIN) |
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except Exception: |
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self.show_message(_('Invalid Fee')) |
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return |
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if self.wallet.has_password(): |
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password = self.password_dialog() |
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if not password: |
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return |
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else: |
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password = None |
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try: |
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tx = self.wallet.mktx([(TYPE_ADDRESS, self.str_recipient, amount)], password, self.config, fee) |
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except Exception as e: |
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self.show_message(str(e)) |
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return |
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if self.str_description: |
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self.wallet.labels[tx.hash()] = self.str_description |
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self.show_message(_("Please wait..."), getchar=False) |
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status, msg = self.network.broadcast(tx) |
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if status: |
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self.show_message(_('Payment sent.')) |
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self.do_clear() |
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#self.update_contacts_tab() |
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else: |
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self.show_message(_('Error')) |
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def show_message(self, message, getchar = True): |
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w = self.w |
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w.clear() |
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w.border(0) |
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for i, line in enumerate(message.split('\n')): |
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w.addstr(2+i,2,line) |
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w.refresh() |
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if getchar: c = self.stdscr.getch() |
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def run_popup(self, title, items): |
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return self.run_dialog(title, list(map(lambda x: {'type':'button','label':x}, items)), interval=1, y_pos = self.pos+3) |
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def network_dialog(self): |
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if not self.network: |
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return |
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params = self.network.get_parameters() |
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host, port, protocol, proxy_config, auto_connect = params |
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srv = 'auto-connect' if auto_connect else self.network.default_server |
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out = self.run_dialog('Network', [ |
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{'label':'server', 'type':'str', 'value':srv}, |
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{'label':'proxy', 'type':'str', 'value':self.config.get('proxy', '')}, |
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], buttons = 1) |
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if out: |
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if out.get('server'): |
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server = out.get('server') |
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auto_connect = server == 'auto-connect' |
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if not auto_connect: |
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try: |
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host, port, protocol = server.split(':') |
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except Exception: |
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self.show_message("Error:" + server + "\nIn doubt, type \"auto-connect\"") |
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return False |
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if out.get('server') or out.get('proxy'): |
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proxy = electrum.network.deserialize_proxy(out.get('proxy')) if out.get('proxy') else proxy_config |
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self.network.set_parameters(host, port, protocol, proxy, auto_connect) |
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def settings_dialog(self): |
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fee = str(Decimal(self.config.fee_per_kb()) / COIN) |
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out = self.run_dialog('Settings', [ |
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{'label':'Default fee', 'type':'satoshis', 'value': fee } |
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], buttons = 1) |
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if out: |
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if out.get('Default fee'): |
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fee = int(Decimal(out['Default fee']) * COIN) |
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self.config.set_key('fee_per_kb', fee, True) |
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def password_dialog(self): |
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out = self.run_dialog('Password', [ |
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{'label':'Password', 'type':'password', 'value':''} |
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], buttons = 1) |
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return out.get('Password') |
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def run_dialog(self, title, items, interval=2, buttons=None, y_pos=3): |
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self.popup_pos = 0 |
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self.w = curses.newwin( 5 + len(list(items))*interval + (2 if buttons else 0), 50, y_pos, 5) |
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w = self.w |
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out = {} |
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while True: |
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w.clear() |
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w.border(0) |
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w.addstr( 0, 2, title) |
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num = len(list(items)) |
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numpos = num |
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if buttons: numpos += 2 |
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for i in range(num): |
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item = items[i] |
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label = item.get('label') |
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if item.get('type') == 'list': |
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value = item.get('value','') |
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elif item.get('type') == 'satoshis': |
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value = item.get('value','') |
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elif item.get('type') == 'str': |
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value = item.get('value','') |
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elif item.get('type') == 'password': |
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value = '*'*len(item.get('value','')) |
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else: |
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value = '' |
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if value is None: |
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value = '' |
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if len(value)<20: |
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value += ' '*(20-len(value)) |
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if 'value' in item: |
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w.addstr( 2+interval*i, 2, label) |
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w.addstr( 2+interval*i, 15, value, curses.A_REVERSE if self.popup_pos%numpos==i else curses.color_pair(1) ) |
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else: |
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w.addstr( 2+interval*i, 2, label, curses.A_REVERSE if self.popup_pos%numpos==i else 0) |
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if buttons: |
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w.addstr( 5+interval*i, 10, "[ ok ]", curses.A_REVERSE if self.popup_pos%numpos==(numpos-2) else curses.color_pair(2)) |
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w.addstr( 5+interval*i, 25, "[cancel]", curses.A_REVERSE if self.popup_pos%numpos==(numpos-1) else curses.color_pair(2)) |
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w.refresh() |
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c = self.stdscr.getch() |
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if c in [ord('q'), 27]: break |
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elif c in [curses.KEY_LEFT, curses.KEY_UP]: self.popup_pos -= 1 |
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elif c in [curses.KEY_RIGHT, curses.KEY_DOWN]: self.popup_pos +=1 |
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else: |
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i = self.popup_pos%numpos |
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if buttons and c==10: |
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if i == numpos-2: |
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return out |
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elif i == numpos -1: |
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return {} |
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item = items[i] |
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_type = item.get('type') |
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if _type == 'str': |
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item['value'] = self.edit_str(item['value'], c) |
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out[item.get('label')] = item.get('value') |
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elif _type == 'password': |
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item['value'] = self.edit_str(item['value'], c) |
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out[item.get('label')] = item ['value'] |
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elif _type == 'satoshis': |
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item['value'] = self.edit_str(item['value'], c, True) |
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out[item.get('label')] = item.get('value') |
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elif _type == 'list': |
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choices = item.get('choices') |
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try: |
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j = choices.index(item.get('value')) |
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except Exception: |
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j = 0 |
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new_choice = choices[(j + 1)% len(choices)] |
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item['value'] = new_choice |
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out[item.get('label')] = item.get('value') |
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elif _type == 'button': |
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out['button'] = item.get('label') |
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break |
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return out
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