#!/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.i18n import _, set_language from electrum.util import print_error, print_msg import os.path, json, ast, traceback import shutil import StringIO try: import PyQt4 except: 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 import transaction from qt_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) 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(self.broadcast) 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) self.update() def sign(self): tx_dict = self.tx.as_dict() input_info = json.loads(tx_dict["input_info"]) self.parent.sign_raw_transaction(self.tx, input_info) self.update() def save(self): fileName = self.parent.getSaveFileName(_("Select where to save your signed transaction"), 'signed_%s.txn' % (self.tx.hash()[0:8]), "*.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): tx_hash = self.tx.hash() is_relevant, is_mine, v, fee = self.wallet.get_tx_value(self.tx) if self.tx.is_complete: status = _("Status: Signed") self.sign_button.hide() 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 = _("Status: %d confirmations")%conf self.broadcast_button.hide() else: time_str = None conf = 0 self.broadcast_button.show() else: status = _("Status: Unsigned") time_str = None self.sign_button.show() self.broadcast_button.hide() self.tx_hash_e.setText(tx_hash) self.status_label.setText(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 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")) def exec_menu(self, position,l): item = l.itemAt(position) if not item: return addr = unicode(item.text(0)) menu = QMenu() menu.addAction(_("Copy to clipboard"), lambda: self.parent.app.clipboard().setText(addr)) menu.exec_(l.viewport().mapToGlobal(position)) def add_io(self, vbox): vbox.addWidget(QLabel(_("Inputs"))) lines = map(lambda x: x.get('address') , self.tx.inputs ) i_text = QTextEdit('\n'.join(lines)) i_text.setReadOnly(True) i_text.setMaximumHeight(100) vbox.addWidget(i_text) vbox.addWidget(QLabel(_("Outputs"))) lines = map(lambda x: x[0] + u'\t\t' + self.parent.format_amount(x[1]), self.tx.outputs) o_text = QTextEdit() o_text.setText('\n'.join(lines)) o_text.setReadOnly(True) o_text.setMaximumHeight(100) vbox.addWidget(o_text) def broadcast(self): result, result_message = self.wallet.sendtx( self.tx ) if result: self.show_message(_("Transaction successfully sent:")+' %s' % (result_message)) if dialog: dialog.done(0) else: self.show_message(_("There was a problem sending your transaction:") + '\n %s' % (result_message)) def show_message(self, msg): QMessageBox.information(self, _('Message'), msg, _('OK'))