import curses, datetime from decimal import Decimal _ = lambda x:x #from i18n import _ from util import format_satoshis, set_verbosity class ElectrumGui: def __init__(self, wallet, config, app=None): self.wallet = wallet self.config = config self.stdscr = curses.initscr() #c = self.stdscr.getch() #print c curses.noecho() curses.cbreak() curses.start_color() curses.use_default_colors() curses.init_pair(1, curses.COLOR_WHITE, curses.COLOR_BLUE) self.stdscr.keypad(1) self.stdscr.border(0) self.maxy, self.maxx = self.stdscr.getmaxyx() set_verbosity(False) self.tab = 0 self.pos = 0 self.popup_pos = 0 self.w = None self.str_recipient = "" self.str_description = "" self.str_amount = "" self.str_fee = "" self.wallet.interface.register_callback('updated', self.refresh) self.wallet.interface.register_callback('connected', self.refresh) self.wallet.interface.register_callback('disconnected', self.refresh) self.wallet.interface.register_callback('disconnecting', self.refresh) self.tab_names = [_("History"), _("Send"), _("Receive"), _("Contacts"), _("Wall")] self.num_tabs = len(self.tab_names) curses.curs_set(0) if not self.w: self.w = curses.newwin(10, 30, 5, 5) def server_list_changed(self): pass def restore_or_create(self): pass def print_history(self): width = [20, 40, 14, 14] delta = (self.maxx - sum(width) - 4)/3 format_str = "%"+"%d"%width[0]+"s"+"%"+"%d"%(width[1]+delta)+"s"+"%"+"%d"%(width[2]+delta)+"s"+"%"+"%d"%(width[3]+delta)+"s" b = 0 messages = [] for tx in self.wallet.get_tx_history(): v = tx['value'] b += v try: time_str = str( datetime.datetime.fromtimestamp( tx['timestamp'])) except: print tx['timestamp'] time_str = 'pending' tx_hash = tx['tx_hash'] label = self.wallet.labels.get(tx_hash) is_default_label = (label == '') or (label is None) if is_default_label: label = tx['default_label'] #label += ' '*(40 - len(label) ) messages.append( format_str%( time_str, label, format_satoshis(v), format_satoshis(b) ) ) self.print_list(messages[::-1], format_str%( _("Date"), _("Description"), _("Amount"), _("Balance"))) def print_balance(self): if self.wallet.interface and self.wallet.interface.is_connected: if not self.wallet.up_to_date: msg = _( "Synchronizing..." ) else: c, u = self.wallet.get_balance() msg = _("Balance")+": %f "%(Decimal( c ) / 100000000) if u: msg += " [%f unconfirmed]"%(Decimal( u ) / 100000000) else: msg = _( "Not connected" ) self.stdscr.addstr( self.maxy -1, 3, msg) for i in range(self.num_tabs): self.stdscr.addstr( 0, 2 + 2*i + len(''.join(self.tab_names[0:i])), self.tab_names[i], curses.A_BOLD if self.tab == i else 0) self.stdscr.addstr( self.maxy -1, self.maxx-30, ' '.join([_("Settings"), _("Network"), _("Quit")])) def print_contacts(self): messages = map(lambda addr: "%30s %30s "%(addr, self.wallet.labels.get(addr,"")), self.wallet.addressbook) self.print_list(messages, "%19s %25s "%("Address", "Label")) def print_receive(self): messages = map(lambda addr: "%30s %30s "%(addr, self.wallet.labels.get(addr,"")), self.wallet.addresses) self.print_list(messages, "%19s %25s "%("Address", "Label")) def print_edit_line(self, y, label, text, index, size): text += " "*(size - len(text) ) self.stdscr.addstr( y, 2, label) self.stdscr.addstr( y, 15, text, curses.A_REVERSE if self.pos%5==index else curses.color_pair(1)) def print_send_tab(self): self.stdscr.clear() self.print_edit_line(3, _("Pay to"), self.str_recipient, 0, 40) self.print_edit_line(5, _("Description"), self.str_description, 1, 40) self.print_edit_line(7, _("Amount"), self.str_amount, 2, 15) self.print_edit_line(9, _("Fee"), self.str_fee, 3, 15) self.stdscr.addstr( 12, 15, _("Send"), curses.A_REVERSE if self.pos%5==4 else 0) def getstr_send(self): curses.curs_set(1) curses.echo() if self.pos%5==0: s = self.stdscr.getstr(3, 15) if s: self.str_recipient = s elif self.pos%5==1: s = self.stdscr.getstr(5, 15) if s: self.str_description = s elif self.pos%5==2: s = self.stdscr.getstr(7, 15) if s: self.str_amount = s elif self.pos%5==3: s = self.stdscr.getstr(9, 15) if s: self.str_fee = s else: pass curses.noecho() curses.curs_set(0) self.print_send_tab() def print_banner(self): self.stdscr.clear() self.stdscr.addstr( 1, 1, self.wallet.banner ) def print_list(self, list, firstline): firstline += " "*(self.maxx -2 - len(firstline)) self.stdscr.addstr( 1, 1, firstline ) for i in range(self.maxy-4): msg = list[i] if i < len(list) else "" msg += " "*(self.maxx - 2 - len(msg)) self.stdscr.addstr( i+2, 1, msg[0:self.maxx - 2], curses.A_REVERSE if i == (self.pos % len(list)) else 0) def refresh(self): self.stdscr.border(0) self.print_balance() self.stdscr.refresh() def main(self,url): self.print_history() self.refresh() while True: c = self.stdscr.getch() 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 == ord('h'): self.tab = 0 elif c == ord('s'): self.tab = 1 elif c == ord('r'): self.tab = 2 elif c == ord('c'): self.tab = 3 elif c == curses.KEY_DOWN: self.pos +=1 elif c == curses.KEY_UP: self.pos -= 1 elif c == 9: self.pos +=1 # tab elif c in [27, ord('q')]: break elif c == 10: self.exec_popup() elif c == ord('n'): self.network_dialog() elif c == ord('s'): self.settings_dialog() if self.tab == 0: self.print_history() elif self.tab == 1: self.print_send_tab() elif self.tab == 2: self.print_receive() elif self.tab == 3: self.print_contacts() else: self.print_banner() self.refresh() curses.nocbreak(); self.stdscr.keypad(0); curses.echo() curses.endwin() def exec_popup(self): if self.tab == 0: out = self.run_popup('',["blah","foo"]) elif self.tab == 1: if self.pos%5==4: self.do_send() else: self.getstr_send() self.print_send_tab() elif self.tab == 2: out = self.run_popup('', ["blah"]) elif self.tab == 3: out = self.run_popup('', ["Pay to","Edit label"]) if out == "Pay to": self.tab = 1 self.str_recipient = self.wallet.addressbook[self.pos%len(self.wallet.addressbook)] self.pos = 2 def do_send(self): if not self.wallet.is_valid(self.str_recipient): self.show_message(_('Invalid Bitcoin address')) return try: amount = int( Decimal( self.str_amount) * 100000000 ) except: self.show_message(_('Invalid Amount')) return try: fee = int( Decimal( self.str_fee) * 100000000 ) except: self.show_message(_('Invalid Fee')) return if self.wallet.use_encryption: password = self.password_dialog() if not password: return else: password = None def password_dialog(self): w = self.w w.clear() w.border(0) self.print_edit_line(9, _("Password"), self.str_fee, 3, 15) if answer: return items[self.popup_pos%(len(items))] def show_message(self, message): w = self.w w.clear() w.border(0) w.addstr(2,2,message) w.refresh() c = self.stdscr.getch() def run_popup(self, text, items): w = self.w while True: w.clear() w.border(0) w.addstr(2,2,text) for i in range(len(items)): item = items[i] w.addstr( 4 + i, 2, item, curses.A_REVERSE if self.popup_pos%(len(items))==i else 0) w.refresh() answer = False c = self.stdscr.getch() if c == 10: answer = True break elif c == 27: break elif c == curses.KEY_UP: self.popup_pos -= 1 elif c == curses.KEY_DOWN: self.popup_pos +=1 if answer: return items[self.popup_pos%(len(items))] def network_dialog(self): pass def settings_dialog(self): pass