from decimal import Decimal _ = lambda x:x #from i18n import _ from electrum import WalletStorage, Wallet from electrum.util import format_satoshis, set_verbosity from electrum.bitcoin import is_address, COIN, TYPE_ADDRESS import getpass, datetime # minimal fdisk like gui for console usage # written by rofl0r, with some bits stolen from the text gui (ncurses) class ElectrumGui: def __init__(self, config, daemon, plugins): self.config = config self.network = daemon.network storage = WalletStorage(config.get_wallet_path()) if not storage.file_exists: print("Wallet not found. try 'electrum create'") exit() if storage.is_encrypted(): password = getpass.getpass('Password:', stream=None) storage.decrypt(password) self.done = 0 self.last_balance = "" set_verbosity(False) self.str_recipient = "" self.str_description = "" self.str_amount = "" self.str_fee = "" self.wallet = Wallet(storage) self.wallet.start_threads(self.network) self.contacts = self.wallet.contacts self.network.register_callback(self.on_network, ['updated', 'banner']) self.commands = [_("[h] - displays this help text"), \ _("[i] - display transaction history"), \ _("[o] - enter payment order"), \ _("[p] - print stored payment order"), \ _("[s] - send stored payment order"), \ _("[r] - show own receipt addresses"), \ _("[c] - display contacts"), \ _("[b] - print server banner"), \ _("[q] - quit") ] self.num_commands = len(self.commands) def on_network(self, event, *args): if event == 'updated': self.updated() elif event == 'banner': self.print_banner() def main_command(self): self.print_balance() c = input("enter command: ") if c == "h" : self.print_commands() elif c == "i" : self.print_history() elif c == "o" : self.enter_order() elif c == "p" : self.print_order() elif c == "s" : self.send_order() elif c == "r" : self.print_addresses() elif c == "c" : self.print_contacts() elif c == "b" : self.print_banner() elif c == "n" : self.network_dialog() elif c == "e" : self.settings_dialog() elif c == "q" : self.done = 1 else: self.print_commands() def updated(self): s = self.get_balance() if s != self.last_balance: print(s) self.last_balance = s return True def print_commands(self): self.print_list(self.commands, "Available commands") def print_history(self): width = [20, 40, 14, 14] delta = (80 - 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" messages = [] for item in self.wallet.get_history(): tx_hash, height, conf, timestamp, delta, balance = item if conf: try: time_str = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3] except Exception: time_str = "unknown" else: time_str = 'unconfirmed' label = self.wallet.get_label(tx_hash) messages.append( format_str%( time_str, label, format_satoshis(delta, whitespaces=True), format_satoshis(balance, whitespaces=True) ) ) self.print_list(messages[::-1], format_str%( _("Date"), _("Description"), _("Amount"), _("Balance"))) def print_balance(self): print(self.get_balance()) def get_balance(self): if self.wallet.network.is_connected(): if not self.wallet.up_to_date: msg = _( "Synchronizing..." ) else: c, u, x = self.wallet.get_balance() msg = _("Balance")+": %f "%(Decimal(c) / COIN) if u: msg += " [%f unconfirmed]"%(Decimal(u) / COIN) if x: msg += " [%f unmatured]"%(Decimal(x) / COIN) else: msg = _( "Not connected" ) return(msg) def print_contacts(self): messages = map(lambda x: "%20s %45s "%(x[0], x[1][1]), self.contacts.items()) self.print_list(messages, "%19s %25s "%("Key", "Value")) def print_addresses(self): messages = map(lambda addr: "%30s %30s "%(addr, self.wallet.labels.get(addr,"")), self.wallet.get_addresses()) self.print_list(messages, "%19s %25s "%("Address", "Label")) def print_order(self): print("send order to " + self.str_recipient + ", amount: " + self.str_amount \ + "\nfee: " + self.str_fee + ", desc: " + self.str_description) def enter_order(self): self.str_recipient = input("Pay to: ") self.str_description = input("Description : ") self.str_amount = input("Amount: ") self.str_fee = input("Fee: ") def send_order(self): self.do_send() def print_banner(self): for i, x in enumerate( self.wallet.network.banner.split('\n') ): print( x ) def print_list(self, lst, firstline): lst = list(lst) self.maxpos = len(lst) if not self.maxpos: return print(firstline) for i in range(self.maxpos): msg = lst[i] if i < len(lst) else "" print(msg) def main(self): while self.done == 0: self.main_command() def do_send(self): if not is_address(self.str_recipient): print(_('Invalid Bitcoin address')) return try: amount = int(Decimal(self.str_amount) * COIN) except Exception: print(_('Invalid Amount')) return try: fee = int(Decimal(self.str_fee) * COIN) except Exception: print(_('Invalid Fee')) return if self.wallet.has_password(): password = self.password_dialog() if not password: return else: password = None c = "" while c != "y": c = input("ok to send (y/n)?") if c == "n": return try: tx = self.wallet.mktx([(TYPE_ADDRESS, self.str_recipient, amount)], password, self.config, fee) except Exception as e: print(str(e)) return if self.str_description: self.wallet.labels[tx.txid()] = self.str_description print(_("Please wait...")) status, msg = self.network.broadcast_transaction(tx) if status: print(_('Payment sent.')) #self.do_clear() #self.update_contacts_tab() else: print(_('Error')) def network_dialog(self): print("use 'electrum setconfig server/proxy' to change your network settings") return True def settings_dialog(self): print("use 'electrum setconfig' to change your settings") return True def password_dialog(self): return getpass.getpass() # XXX unused def run_receive_tab(self, c): #if c == 10: # out = self.run_popup('Address', ["Edit label", "Freeze", "Prioritize"]) return def run_contacts_tab(self, c): pass