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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.txid()] = self.str_description
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self.show_message(_("Please wait..."), getchar=False)
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status, msg = self.network.broadcast_transaction(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
|
|
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
|
|
|