electrum-bitcoinprivate/gui/kivy/uix/dialogs/tx_dialog.py

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2016-02-12 23:15:06 -08:00
from kivy.app import App
from kivy.factory import Factory
from kivy.properties import ObjectProperty
from kivy.lang import Builder
from electrum_gui.kivy.i18n import _
from datetime import datetime
Builder.load_string('''
<TxDialog@Popup>
id: popup
title: _('Transaction')
can_sign: False
can_broadcast: False
fee_str: ''
amount_str: ''
txid_str: ''
status_str: ''
time_str: ''
AnchorLayout:
anchor_x: 'center'
BoxLayout:
orientation: 'vertical'
Label:
id: txid_label
text: root.txid_str
text_size: self.width, None
size: self.texture_size
Label:
id: status_label
text: root.status_str
text_size: self.width, None
size_hint: 1, 0.3
Label:
id: date_label
text: root.time_str
text_size: self.width, None
size_hint: 1, 0.3
Label:
id: amount_label
text: root.amount_str
text_size: self.width, None
size_hint: 1, 0.3
Label:
id: fee_label
text: root.fee_str
text_size: self.width, None
size_hint: 1, 0.3
Widget:
size_hint: 1, 1
BoxLayout:
size_hint: 1, None
height: '48dp'
Button:
size_hint: 0.5, None
height: '48dp'
text: _('Sign') if root.can_sign else _('Broadcast') if root.can_broadcast else ''
#opacity: 1 if root.can_sign or root.can_broadcast else 0
disabled: not( root.can_sign or root.can_broadcast )
on_release:
if root.can_sign: root.do_sign()
if root.can_broadcast: root.do_broadcast()
Button:
size_hint: 0.5, None
height: '48dp'
text: _('QR')
on_release: root.show_qr()
Button:
size_hint: 0.5, None
height: '48dp'
text: _('OK')
on_release: popup.dismiss()
''')
class TxDialog(Factory.Popup):
def __init__(self, app, tx):
Factory.Popup.__init__(self)
self.app = app
self.wallet = self.app.wallet
self.tx = tx
self.update()
def update(self):
self.can_broadcast = False
if self.tx.is_complete():
tx_hash = self.tx.hash()
self.txid_str = _('Transaction ID') + ' :\n' + ' '.join(map(''.join, zip(*[iter(tx_hash)]*4)))
if tx_hash in self.wallet.transactions.keys():
conf, timestamp = self.wallet.get_confirmations(tx_hash)
self.status_str = _("%d confirmations")%conf
if timestamp:
self.time_str = datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
else:
self.time_str = _('Pending')
else:
self.can_broadcast = self.app.network is not None
else:
s, r = self.tx.signature_count()
self.txid_str = _("Unsigned") if s == 0 else _('Partially signed') + ' (%d/%d)'%(s,r)
is_relevant, is_mine, v, fee = self.wallet.get_wallet_delta(self.tx)
if is_relevant:
if is_mine:
if fee is not None:
self.amount_str = _("Amount sent:")+' %s'% self.app.format_amount_and_units(-v+fee)
self.fee_str = _("Transaction fee")+': %s'% self.app.format_amount_and_units(-fee)
else:
self.amount_str = _("Amount sent:")+' %s'% self.app.format_amount_and_units(-v)
self.fee_str = _("Transaction fee")+': '+ _("unknown")
else:
self.amount_str = _("Amount received:")+' %s'% self.app.format_amount_and_units(v)
self.fee_str = ''
else:
self.amount_str = _("Transaction unrelated to your wallet")
self.fee_str = ''
self.can_sign = self.wallet.can_sign(self.tx)
def do_sign(self):
self.app.protected(self._do_sign, ())
def _do_sign(self, password):
self.app.show_info(_('Signing'))
self.app.wallet.sign_transaction(self.tx, password)
self.app.show_info('')
self.update()
def do_broadcast(self):
self.app.show_info(_('Broadcasting'))
ok, txid = self.app.wallet.sendtx(self.tx)
self.app.show_info(txid)
def show_qr(self):
from electrum.bitcoin import base_encode
text = str(self.tx).decode('hex')
text = base_encode(text, base=43)
self.app.qr_dialog(_("Raw Transaction"), text)