1530668960
The qt, qml, and kivy GUIs have a first-start network-setup screen that allows the user customising the network settings before creating a wallet. Previously the daemon used to create the network and start it, before this screen, before the GUI even starts. If the user changed network settings, those would be set on the already running network, potentially including restarting the network. Now it becomes the responsibility of the GUI to start the network, allowing this first-start customisation to take place before starting the network at all. The qt and the qml GUIs are adapted to make use of this. Kivy, and the other prototype GUIs are not adapted and just start the network right away, as before.
258 lines
8.5 KiB
Python
258 lines
8.5 KiB
Python
from decimal import Decimal
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import getpass
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import datetime
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import logging
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from typing import Optional
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from electrum.gui import BaseElectrumGui
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from electrum import util
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from electrum import WalletStorage, Wallet
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from electrum.wallet import Abstract_Wallet
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from electrum.wallet_db import WalletDB
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from electrum.util import format_satoshis, EventListener, event_listener
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from electrum.bitcoin import is_address, COIN
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from electrum.transaction import PartialTxOutput
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from electrum.network import TxBroadcastError, BestEffortRequestFailed
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_ = lambda x:x # i18n
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# minimal fdisk like gui for console usage
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# written by rofl0r, with some bits stolen from the text gui (ncurses)
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class ElectrumGui(BaseElectrumGui, EventListener):
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def __init__(self, *, config, daemon, plugins):
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BaseElectrumGui.__init__(self, config=config, daemon=daemon, plugins=plugins)
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self.network = daemon.network
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storage = WalletStorage(config.get_wallet_path(use_gui_last_wallet=True))
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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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db = WalletDB(storage.read(), manual_upgrades=False)
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self.done = 0
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self.last_balance = ""
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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.wallet = Wallet(db, storage, config=config) # type: Optional[Abstract_Wallet]
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self.wallet.start_network(self.network)
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self.contacts = self.wallet.contacts
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self.register_callbacks()
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self.commands = [_("[h] - displays this help text"), \
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_("[i] - display transaction history"), \
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_("[o] - enter payment order"), \
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_("[p] - print stored payment order"), \
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_("[s] - send stored payment order"), \
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_("[r] - show own receipt addresses"), \
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_("[c] - display contacts"), \
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_("[b] - print server banner"), \
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_("[q] - quit")]
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self.num_commands = len(self.commands)
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@event_listener
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def on_event_wallet_updated(self, wallet):
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self.updated()
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@event_listener
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def on_event_network_updated(self):
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self.updated()
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@event_listener
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def on_event_banner(self, *args):
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self.print_banner()
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def main_command(self):
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self.print_balance()
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c = input("enter command: ")
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if c == "h" : self.print_commands()
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elif c == "i" : self.print_history()
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elif c == "o" : self.enter_order()
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elif c == "p" : self.print_order()
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elif c == "s" : self.send_order()
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elif c == "r" : self.print_addresses()
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elif c == "c" : self.print_contacts()
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elif c == "b" : self.print_banner()
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elif c == "n" : self.network_dialog()
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elif c == "e" : self.settings_dialog()
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elif c == "q" : self.done = 1
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else: self.print_commands()
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def updated(self):
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s = self.get_balance()
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if s != self.last_balance:
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print(s)
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self.last_balance = s
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return True
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def print_commands(self):
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self.print_list(self.commands, "Available commands")
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def print_history(self):
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width = [20, 40, 14, 14]
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delta = (80 - sum(width) - 4)/3
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format_str = "%"+"%d"%width[0]+"s"+"%"+"%d"%(width[1]+delta)+"s"+"%" \
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+ "%d"%(width[2]+delta)+"s"+"%"+"%d"%(width[3]+delta)+"s"
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messages = []
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domain = self.wallet.get_addresses()
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for hist_item in reversed(self.wallet.adb.get_history(domain)):
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if hist_item.tx_mined_status.conf:
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timestamp = hist_item.tx_mined_status.timestamp
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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 = "unknown"
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else:
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time_str = 'unconfirmed'
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label = self.wallet.get_label_for_txid(hist_item.txid)
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messages.append(format_str % (time_str, label, format_satoshis(delta, whitespaces=True),
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format_satoshis(hist_item.balance, whitespaces=True)))
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self.print_list(messages[::-1], format_str%(_("Date"), _("Description"), _("Amount"), _("Balance")))
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def print_balance(self):
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print(self.get_balance())
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def get_balance(self):
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if self.wallet.network.is_connected():
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if not self.wallet.is_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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return msg
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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 %25s "%("Key", "Value"))
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def print_addresses(self):
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messages = map(lambda addr: "%30s %30s "%(addr, self.wallet.get_label_for_address(addr)), self.wallet.get_addresses())
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self.print_list(messages, "%19s %25s "%("Address", "Label"))
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def print_order(self):
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print("send order to " + self.str_recipient + ", amount: " + self.str_amount \
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+ "\nfee: " + self.str_fee + ", desc: " + self.str_description)
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def enter_order(self):
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self.str_recipient = input("Pay to: ")
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self.str_description = input("Description : ")
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self.str_amount = input("Amount: ")
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self.str_fee = input("Fee: ")
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def send_order(self):
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self.do_send()
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def print_banner(self):
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for i, x in enumerate(self.wallet.network.banner.split('\n')):
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print(x)
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def print_list(self, lst, firstline):
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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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print(firstline)
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for i in range(self.maxpos):
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msg = lst[i] if i < len(lst) else ""
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print(msg)
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def main(self):
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self.daemon.start_network()
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while self.done == 0:
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self.main_command()
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def do_send(self):
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if not is_address(self.str_recipient):
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print(_('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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print(_('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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print(_('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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c = ""
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while c != "y":
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c = input("ok to send (y/n)?")
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if c == "n": return
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try:
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tx = self.wallet.mktx(outputs=[PartialTxOutput.from_address_and_value(self.str_recipient, amount)],
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password=password,
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fee=fee)
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except Exception as e:
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print(repr(e))
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return
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if self.str_description:
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self.wallet.set_label(tx.txid(), self.str_description)
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print(_("Please wait..."))
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try:
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self.network.run_from_another_thread(self.network.broadcast_transaction(tx))
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except TxBroadcastError as e:
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msg = e.get_message_for_gui()
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print(msg)
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except BestEffortRequestFailed as e:
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msg = repr(e)
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print(msg)
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else:
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print(_('Payment sent.'))
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#self.do_clear()
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#self.update_contacts_tab()
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def network_dialog(self):
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print("use 'electrum setconfig server/proxy' to change your network settings")
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return True
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def settings_dialog(self):
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print("use 'electrum setconfig' to change your settings")
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return True
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def password_dialog(self):
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return getpass.getpass()
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# XXX unused
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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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return
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def run_contacts_tab(self, c):
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pass
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