You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
293 lines
10 KiB
293 lines
10 KiB
#!/usr/bin/env python
|
|
#
|
|
# Electrum - lightweight Bitcoin client
|
|
# Copyright (C) 2012 thomasv@gitorious
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import datetime
|
|
import json
|
|
|
|
import PyQt4
|
|
from PyQt4.QtGui import *
|
|
from PyQt4.QtCore import *
|
|
import PyQt4.QtCore as QtCore
|
|
|
|
from electrum import transaction
|
|
from electrum.bitcoin import base_encode
|
|
from electrum.i18n import _
|
|
from electrum.plugins import run_hook
|
|
|
|
from util import *
|
|
|
|
dialogs = [] # Otherwise python randomly garbage collects the dialogs...
|
|
|
|
def show_transaction(tx, parent, desc=None, prompt_if_unsaved=False):
|
|
d = TxDialog(tx, parent, desc, prompt_if_unsaved)
|
|
dialogs.append(d)
|
|
d.show()
|
|
|
|
class TxDialog(QDialog):
|
|
|
|
def __init__(self, tx, parent, desc, prompt_if_unsaved):
|
|
'''Transactions in the wallet will show their description.
|
|
Pass desc to give a description for txs not yet in the wallet.
|
|
'''
|
|
self.tx = tx
|
|
self.tx.deserialize()
|
|
self.parent = parent
|
|
self.wallet = parent.wallet
|
|
self.prompt_if_unsaved = prompt_if_unsaved
|
|
self.saved = False
|
|
self.broadcast = False
|
|
self.desc = desc
|
|
|
|
QDialog.__init__(self)
|
|
self.setMinimumWidth(600)
|
|
self.setWindowTitle(_("Transaction"))
|
|
|
|
vbox = QVBoxLayout()
|
|
self.setLayout(vbox)
|
|
|
|
vbox.addWidget(QLabel(_("Transaction ID:")))
|
|
self.tx_hash_e = ButtonsLineEdit()
|
|
qr_show = lambda: self.parent.show_qrcode(str(self.tx_hash_e.text()), 'Transaction ID')
|
|
self.tx_hash_e.addButton(":icons/qrcode.png", qr_show, _("Show as QR code"))
|
|
self.tx_hash_e.setReadOnly(True)
|
|
vbox.addWidget(self.tx_hash_e)
|
|
self.status_label = QLabel()
|
|
vbox.addWidget(self.status_label)
|
|
|
|
self.tx_desc = QLabel()
|
|
vbox.addWidget(self.tx_desc)
|
|
self.date_label = QLabel()
|
|
vbox.addWidget(self.date_label)
|
|
self.amount_label = QLabel()
|
|
vbox.addWidget(self.amount_label)
|
|
self.fee_label = QLabel()
|
|
vbox.addWidget(self.fee_label)
|
|
|
|
self.add_io(vbox)
|
|
|
|
vbox.addStretch(1)
|
|
|
|
self.sign_button = b = QPushButton(_("Sign"))
|
|
b.clicked.connect(self.sign)
|
|
|
|
self.broadcast_button = b = QPushButton(_("Broadcast"))
|
|
b.clicked.connect(self.do_broadcast)
|
|
|
|
self.save_button = b = QPushButton(_("Save"))
|
|
b.clicked.connect(self.save)
|
|
|
|
self.cancel_button = b = QPushButton(_("Close"))
|
|
b.clicked.connect(self.close)
|
|
b.setDefault(True)
|
|
|
|
self.qr_button = b = QPushButton()
|
|
b.setIcon(QIcon(":icons/qrcode.png"))
|
|
b.clicked.connect(self.show_qr)
|
|
|
|
self.copy_button = CopyButton(lambda: str(self.tx), self.parent.app)
|
|
|
|
# Action buttons
|
|
self.buttons = [self.sign_button, self.broadcast_button, self.cancel_button]
|
|
# Transaction sharing buttons
|
|
self.sharing_buttons = [self.copy_button, self.qr_button, self.save_button]
|
|
|
|
run_hook('transaction_dialog', self)
|
|
|
|
hbox = QHBoxLayout()
|
|
hbox.addLayout(Buttons(*self.sharing_buttons))
|
|
hbox.addStretch(1)
|
|
hbox.addLayout(Buttons(*self.buttons))
|
|
vbox.addLayout(hbox)
|
|
self.update()
|
|
|
|
def do_broadcast(self):
|
|
self.parent.broadcast_transaction(self.tx, self.desc, parent=self)
|
|
self.broadcast = True
|
|
self.update()
|
|
|
|
def closeEvent(self, event):
|
|
if (self.prompt_if_unsaved and not self.saved and not self.broadcast
|
|
and QMessageBox.question(
|
|
self, _('Warning'),
|
|
_('This transaction is not saved. Close anyway?'),
|
|
QMessageBox.Yes | QMessageBox.No) == QMessageBox.No):
|
|
event.ignore()
|
|
else:
|
|
event.accept()
|
|
dialogs.remove(self)
|
|
|
|
def show_qr(self):
|
|
text = self.tx.raw.decode('hex')
|
|
text = base_encode(text, base=43)
|
|
try:
|
|
self.parent.show_qrcode(text, 'Transaction')
|
|
except Exception as e:
|
|
self.show_message(str(e))
|
|
|
|
|
|
def sign(self):
|
|
def sign_done(success):
|
|
self.sign_button.setDisabled(False)
|
|
self.prompt_if_unsaved = False
|
|
self.saved = False
|
|
self.update()
|
|
self.sign_button.setDisabled(True)
|
|
cancelled, ret = self.parent.sign_tx(self.tx, sign_done, parent=self)
|
|
if cancelled:
|
|
self.sign_button.setDisabled(False)
|
|
|
|
|
|
def save(self):
|
|
name = 'signed_%s.txn' % (self.tx.hash()[0:8]) if self.tx.is_complete() else 'unsigned.txn'
|
|
fileName = self.parent.getSaveFileName(_("Select where to save your signed transaction"), name, "*.txn")
|
|
if fileName:
|
|
with open(fileName, "w+") as f:
|
|
f.write(json.dumps(self.tx.as_dict(), indent=4) + '\n')
|
|
self.show_message(_("Transaction saved successfully"))
|
|
self.saved = True
|
|
|
|
|
|
def update(self):
|
|
is_relevant, is_mine, v, fee = self.wallet.get_wallet_delta(self.tx)
|
|
tx_hash = self.tx.hash()
|
|
desc = self.desc
|
|
time_str = None
|
|
self.broadcast_button.hide()
|
|
|
|
if self.tx.is_complete():
|
|
status = _("Signed")
|
|
|
|
if tx_hash in self.wallet.transactions.keys():
|
|
desc, is_default = self.wallet.get_label(tx_hash)
|
|
conf, timestamp = self.wallet.get_confirmations(tx_hash)
|
|
if timestamp:
|
|
time_str = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
|
|
else:
|
|
time_str = _('Pending')
|
|
status = _("%d confirmations")%conf
|
|
else:
|
|
self.broadcast_button.show()
|
|
# cannot broadcast when offline
|
|
if self.parent.network is None:
|
|
self.broadcast_button.setEnabled(False)
|
|
else:
|
|
s, r = self.tx.signature_count()
|
|
status = _("Unsigned") if s == 0 else _('Partially signed') + ' (%d/%d)'%(s,r)
|
|
tx_hash = _('Unknown');
|
|
|
|
if self.wallet.can_sign(self.tx):
|
|
self.sign_button.show()
|
|
else:
|
|
self.sign_button.hide()
|
|
|
|
self.tx_hash_e.setText(tx_hash)
|
|
if desc is None:
|
|
self.tx_desc.hide()
|
|
else:
|
|
self.tx_desc.setText(_("Description") + ': ' + desc)
|
|
self.tx_desc.show()
|
|
self.status_label.setText(_('Status:') + ' ' + status)
|
|
|
|
if time_str is not None:
|
|
self.date_label.setText(_("Date: %s")%time_str)
|
|
self.date_label.show()
|
|
else:
|
|
self.date_label.hide()
|
|
|
|
# if we are not synchronized, we cannot tell
|
|
if not self.wallet.up_to_date:
|
|
return
|
|
|
|
if is_relevant:
|
|
if is_mine:
|
|
if fee is not None:
|
|
self.amount_label.setText(_("Amount sent:")+' %s'% self.parent.format_amount(-v+fee) + ' ' + self.parent.base_unit())
|
|
self.fee_label.setText(_("Transaction fee")+': %s'% self.parent.format_amount(-fee) + ' ' + self.parent.base_unit())
|
|
else:
|
|
self.amount_label.setText(_("Amount sent:")+' %s'% self.parent.format_amount(-v) + ' ' + self.parent.base_unit())
|
|
self.fee_label.setText(_("Transaction fee")+': '+ _("unknown"))
|
|
else:
|
|
self.amount_label.setText(_("Amount received:")+' %s'% self.parent.format_amount(v) + ' ' + self.parent.base_unit())
|
|
else:
|
|
self.amount_label.setText(_("Transaction unrelated to your wallet"))
|
|
|
|
run_hook('transaction_dialog_update', self)
|
|
|
|
|
|
def add_io(self, vbox):
|
|
|
|
if self.tx.locktime > 0:
|
|
vbox.addWidget(QLabel("LockTime: %d\n" % self.tx.locktime))
|
|
|
|
vbox.addWidget(QLabel(_("Inputs") + ' (%d)'%len(self.tx.inputs)))
|
|
|
|
ext = QTextCharFormat()
|
|
rec = QTextCharFormat()
|
|
rec.setBackground(QBrush(QColor("lightgreen")))
|
|
rec.setToolTip(_("Wallet receive address"))
|
|
chg = QTextCharFormat()
|
|
chg.setBackground(QBrush(QColor("yellow")))
|
|
chg.setToolTip(_("Wallet change address"))
|
|
|
|
def text_format(addr):
|
|
if self.wallet.is_mine(addr):
|
|
return chg if self.wallet.is_change(addr) else rec
|
|
return ext
|
|
|
|
i_text = QTextEdit()
|
|
i_text.setFont(QFont(MONOSPACE_FONT))
|
|
i_text.setReadOnly(True)
|
|
i_text.setMaximumHeight(100)
|
|
cursor = i_text.textCursor()
|
|
for x in self.tx.inputs:
|
|
if x.get('is_coinbase'):
|
|
cursor.insertText('coinbase')
|
|
else:
|
|
prevout_hash = x.get('prevout_hash')
|
|
prevout_n = x.get('prevout_n')
|
|
cursor.insertText(prevout_hash[0:8] + '...', ext)
|
|
cursor.insertText(prevout_hash[-8:] + ":%-4d " % prevout_n, ext)
|
|
addr = x.get('address')
|
|
if addr == "(pubkey)":
|
|
_addr = self.wallet.find_pay_to_pubkey_address(prevout_hash, prevout_n)
|
|
if _addr:
|
|
addr = _addr
|
|
if addr is None:
|
|
addr = _('unknown')
|
|
cursor.insertText(addr, text_format(addr))
|
|
cursor.insertBlock()
|
|
|
|
vbox.addWidget(i_text)
|
|
vbox.addWidget(QLabel(_("Outputs") + ' (%d)'%len(self.tx.outputs)))
|
|
o_text = QTextEdit()
|
|
o_text.setFont(QFont(MONOSPACE_FONT))
|
|
o_text.setReadOnly(True)
|
|
o_text.setMaximumHeight(100)
|
|
cursor = o_text.textCursor()
|
|
for addr, v in self.tx.get_outputs():
|
|
cursor.insertText(addr, text_format(addr))
|
|
if v is not None:
|
|
cursor.insertText('\t', ext)
|
|
cursor.insertText(self.parent.format_amount(v, whitespaces = True), ext)
|
|
cursor.insertBlock()
|
|
vbox.addWidget(o_text)
|
|
|
|
|
|
|
|
def show_message(self, msg):
|
|
QMessageBox.information(self, _('Message'), msg, _('OK'))
|
|
|