#!/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 . import sys, time, datetime, re, threading from electrum_nvc.i18n import _, set_language from electrum_nvc.util import print_error, print_msg import os.path, json, ast, traceback import shutil import StringIO try: import PyQt4 except Exception: sys.exit("Error: Could not import PyQt4 on Linux systems, you may try 'sudo apt-get install python-qt4'") from PyQt4.QtGui import * from PyQt4.QtCore import * import PyQt4.QtCore as QtCore from electrum_nvc import transaction from electrum_nvc.plugins import run_hook from util import MyTreeWidget class TxDialog(QDialog): def __init__(self, tx, parent): self.tx = tx tx_dict = tx.as_dict() self.parent = parent self.wallet = parent.wallet QDialog.__init__(self) self.setMinimumWidth(600) self.setWindowTitle(_("Transaction")) self.setModal(1) vbox = QVBoxLayout() self.setLayout(vbox) vbox.addWidget(QLabel(_("Transaction ID:"))) self.tx_hash_e = QLineEdit() self.tx_hash_e.setReadOnly(True) vbox.addWidget(self.tx_hash_e) self.status_label = QLabel() vbox.addWidget(self.status_label) 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.buttons = buttons = QHBoxLayout() vbox.addLayout( buttons ) buttons.addStretch(1) self.sign_button = b = QPushButton(_("Sign")) b.clicked.connect(self.sign) buttons.addWidget(b) self.broadcast_button = b = QPushButton(_("Broadcast")) b.clicked.connect(lambda: self.parent.broadcast_transaction(self.tx)) b.hide() buttons.addWidget(b) self.save_button = b = QPushButton(_("Save")) b.clicked.connect(self.save) buttons.addWidget(b) cancelButton = QPushButton(_("Close")) cancelButton.clicked.connect(lambda: self.done(0)) buttons.addWidget(cancelButton) cancelButton.setDefault(True) b = QPushButton() b.setIcon(QIcon(":icons/qrcode.png")) b.clicked.connect(self.show_qr) buttons.insertWidget(1,b) run_hook('transaction_dialog', self) self.update() def show_qr(self): text = self.tx.raw.decode('hex') try: self.parent.show_qrcode(text, 'Transaction') except Exception as e: self.show_message(str(e)) def sign(self): self.parent.sign_raw_transaction(self.tx) self.update() 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")) def update(self): is_relevant, is_mine, v, fee = self.wallet.get_tx_value(self.tx) if self.wallet.can_sign(self.tx): self.sign_button.show() else: self.sign_button.hide() if self.tx.is_complete(): status = _("Signed") tx_hash = self.tx.hash() if tx_hash in self.wallet.transactions.keys(): conf, timestamp = self.wallet.verifier.get_confirmations(tx_hash) if timestamp: time_str = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3] else: time_str = 'pending' status = _("%d confirmations")%conf self.broadcast_button.hide() else: time_str = None conf = 0 self.broadcast_button.show() else: s, r = self.tx.signature_count() status = _("Unsigned") if s == 0 else _('Partially signed (%d/%d)'%(s,r)) time_str = None self.broadcast_button.hide() tx_hash = 'unknown' self.tx_hash_e.setText(tx_hash) 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 self.parent.network is None or not self.parent.network.is_running() or not self.parent.network.is_connected(): return 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"))) def format_input(x): if x.get('is_coinbase'): return 'coinbase' else: _hash = x.get('prevout_hash') return _hash[0:16] + '...' + _hash[-8:] + ":%d"%x.get('prevout_n') + u'\t' + "%s"%x.get('address') lines = map(format_input, self.tx.inputs ) i_text = QTextEdit() i_text.setText('\n'.join(lines)) i_text.setReadOnly(True) i_text.setMaximumHeight(100) vbox.addWidget(i_text) vbox.addWidget(QLabel(_("Outputs"))) lines = map(lambda x: x[1] + u'\t\t' + self.parent.format_amount(x[2]), self.tx.get_outputs()) o_text = QTextEdit() o_text.setText('\n'.join(lines)) o_text.setReadOnly(True) o_text.setMaximumHeight(100) vbox.addWidget(o_text) def show_message(self, msg): QMessageBox.information(self, _('Message'), msg, _('OK'))