#!/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 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.io = self.io_widget(tx) vbox.addWidget( self.io ) 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.fee_label.setText("Transaction fee: %s"% self.parent.format_amount(fee)) else: self.amount_label.setText("Amount sent: %s"% self.parent.format_amount(v)) self.fee_label.setText("Transaction fee: unknown") else: self.amount_label.setText("Amount received: %s"% self.parent.format_amount(v)) else: self.amount_label.setText("Transaction unrelated to your wallet") def io_widget(self, tx): tabs = QTabWidget(self) tab1 = QWidget() grid_ui = QGridLayout(tab1) grid_ui.setColumnStretch(0,1) tabs.addTab(tab1, _('Outputs') ) tree_widget = QTreeWidget(self) tree_widget.setColumnCount(2) tree_widget.setHeaderLabels( [_('Address'), _('Amount')] ) tree_widget.setColumnWidth(0, 300) tree_widget.setColumnWidth(1, 50) for address, value in tx.outputs: item = QTreeWidgetItem( [address, "%s" % ( self.parent.format_amount(value))] ) tree_widget.addTopLevelItem(item) tree_widget.setMaximumHeight(100) grid_ui.addWidget(tree_widget) tab2 = QWidget() grid_ui = QGridLayout(tab2) grid_ui.setColumnStretch(0,1) tabs.addTab(tab2, _('Inputs') ) tree_widget = QTreeWidget(self) tree_widget.setColumnCount(2) tree_widget.setHeaderLabels( [ _('Address'), _('Previous output')] ) for input_line in tx.inputs: item = QTreeWidgetItem( [ str(input_line["address"]), str(input_line.get("prevout_hash"))] ) tree_widget.addTopLevelItem(item) tree_widget.setMaximumHeight(100) grid_ui.addWidget(tree_widget) return tabs 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'))