from decimal import Decimal _ = lambda x:x #from i18n import _ from electrum_nvc import mnemonic_encode, WalletStorage, Wallet from electrum_nvc.util import format_satoshis, set_verbosity from electrum_nvc.bitcoin import is_valid from electrum_nvc.network import filter_protocol import sys, 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, network): self.network = network self.config = config storage = WalletStorage(config) if not storage.file_exists: print "Wallet not found. try 'electrum-nvc create'" exit() 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(network) self.wallet.network.register_callback('updated', self.updated) self.wallet.network.register_callback('connected', self.connected) self.wallet.network.register_callback('disconnected', self.disconnected) self.wallet.network.register_callback('disconnecting', self.disconnecting) self.wallet.network.register_callback('peers', self.peers) self.wallet.network.register_callback('banner', self.print_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 main_command(self): self.print_balance() c = raw_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 peers(self): print("got peers list:") l = filter_protocol(self.wallet.network.get_servers(), 's') for s in l: print (s) def connected(self): print ("connected") def disconnected(self): print ("disconnected") def disconnecting(self): print ("disconnecting") 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" b = 0 messages = [] for item in self.wallet.get_tx_history(): tx_hash, confirmations, is_mine, value, fee, balance, timestamp = item if confirmations: try: time_str = datetime.datetime.fromtimestamp( timestamp).isoformat(' ')[:-3] except Exception: time_str = "unknown" else: time_str = 'pending' label, is_default_label = self.wallet.get_label(tx_hash) messages.append( format_str%( time_str, label, format_satoshis(value, 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.interface and self.wallet.network.interface.is_connected: if not self.wallet.up_to_date: msg = _( "Synchronizing..." ) else: c, u = self.wallet.get_balance() msg = _("Balance")+": %f "%(Decimal( c ) / 1000000) if u: msg += " [%f unconfirmed]"%(Decimal( u ) / 1000000) else: msg = _( "Not connected" ) return(msg) 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_addresses(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_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 = raw_input("Pay to: ") self.str_description = raw_input("Description : ") self.str_amount = raw_input("Amount: ") self.str_fee = raw_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, list, firstline): self.maxpos = len(list) if not self.maxpos: return print(firstline) for i in range(self.maxpos): msg = list[i] if i < len(list) else "" print(msg) def main(self,url): while self.done == 0: self.main_command() def do_send(self): if not is_valid(self.str_recipient): print(_('Invalid Novacoin address')) return try: amount = int( Decimal( self.str_amount) * 1000000 ) except Exception: print(_('Invalid Amount')) return try: fee = int( Decimal( self.str_fee) * 1000000 ) except Exception: print(_('Invalid Fee')) return if self.wallet.use_encryption: password = self.password_dialog() if not password: return else: password = None c = "" while c != "y": c = raw_input("ok to send (y/n)?") if c == "n": return try: tx = self.wallet.mktx( [(self.str_recipient, amount)], password, fee) except Exception as e: print(str(e)) return if self.str_description: self.wallet.labels[tx.hash()] = self.str_description h = self.wallet.send_tx(tx) print(_("Please wait...")) self.wallet.tx_event.wait() status, msg = self.wallet.receive_tx( h, tx ) if status: print(_('Payment sent.')) #self.do_clear() #self.update_contacts_tab() else: print(_('Error')) def network_dialog(self): print("use 'electrum-nvc setconfig server/proxy' to change your network settings") return True def settings_dialog(self): print("use 'electrum-nvc 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 # if c == 10 and self.wallet.addressbook: # out = self.run_popup('Adress', ["Copy", "Pay to", "Edit label", "Delete"]).get('button') # address = self.wallet.addressbook[self.pos%len(self.wallet.addressbook)] # if out == "Pay to": # self.tab = 1 # self.str_recipient = address # self.pos = 2 # elif out == "Edit label": # s = self.get_string(6 + self.pos, 18) # if s: # self.wallet.labels[address] = s