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228 lines
7.5 KiB
228 lines
7.5 KiB
#!/usr/bin/env python
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#
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# Electrum - lightweight Bitcoin client
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# Copyright (C) 2012 thomasv@gitorious
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import sys, time, datetime, re, threading
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from electrum.i18n import _, set_language
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from electrum.util import print_error, print_msg
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import os.path, json, ast, traceback
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import shutil
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import StringIO
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try:
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import PyQt4
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except Exception:
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sys.exit("Error: Could not import PyQt4 on Linux systems, you may try 'sudo apt-get install python-qt4'")
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from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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import PyQt4.QtCore as QtCore
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from electrum import transaction
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from electrum.plugins import run_hook
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from util import MyTreeWidget
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from util import MONOSPACE_FONT
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class TxDialog(QDialog):
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def __init__(self, tx, parent):
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self.tx = tx
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tx_dict = tx.as_dict()
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self.parent = parent
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self.wallet = parent.wallet
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QDialog.__init__(self)
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self.setMinimumWidth(600)
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self.setWindowTitle(_("Transaction"))
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self.setModal(1)
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vbox = QVBoxLayout()
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self.setLayout(vbox)
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vbox.addWidget(QLabel(_("Transaction ID:")))
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self.tx_hash_e = QLineEdit()
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self.tx_hash_e.setReadOnly(True)
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vbox.addWidget(self.tx_hash_e)
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self.status_label = QLabel()
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vbox.addWidget(self.status_label)
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self.date_label = QLabel()
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vbox.addWidget(self.date_label)
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self.amount_label = QLabel()
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vbox.addWidget(self.amount_label)
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self.fee_label = QLabel()
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vbox.addWidget(self.fee_label)
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self.add_io(vbox)
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vbox.addStretch(1)
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self.buttons = buttons = QHBoxLayout()
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vbox.addLayout( buttons )
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buttons.addStretch(1)
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self.sign_button = b = QPushButton(_("Sign"))
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b.clicked.connect(self.sign)
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buttons.addWidget(b)
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self.broadcast_button = b = QPushButton(_("Broadcast"))
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b.clicked.connect(lambda: self.parent.broadcast_transaction(self.tx))
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b.hide()
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buttons.addWidget(b)
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self.save_button = b = QPushButton(_("Save"))
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b.clicked.connect(self.save)
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buttons.addWidget(b)
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cancelButton = QPushButton(_("Close"))
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cancelButton.clicked.connect(lambda: self.done(0))
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buttons.addWidget(cancelButton)
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cancelButton.setDefault(True)
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b = QPushButton()
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b.setIcon(QIcon(":icons/qrcode.png"))
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b.clicked.connect(self.show_qr)
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buttons.insertWidget(1,b)
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run_hook('transaction_dialog', self)
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self.update()
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def show_qr(self):
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text = self.tx.raw.decode('hex')
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try:
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self.parent.show_qrcode(text, 'Transaction')
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except Exception as e:
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self.show_message(str(e))
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def sign(self):
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self.parent.sign_raw_transaction(self.tx)
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self.update()
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def save(self):
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name = 'signed_%s.txn' % (self.tx.hash()[0:8]) if self.tx.is_complete() else 'unsigned.txn'
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fileName = self.parent.getSaveFileName(_("Select where to save your signed transaction"), name, "*.txn")
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if fileName:
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with open(fileName, "w+") as f:
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f.write(json.dumps(self.tx.as_dict(),indent=4) + '\n')
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self.show_message(_("Transaction saved successfully"))
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def update(self):
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is_relevant, is_mine, v, fee = self.wallet.get_tx_value(self.tx)
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if self.wallet.can_sign(self.tx):
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self.sign_button.show()
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else:
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self.sign_button.hide()
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if self.tx.is_complete():
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status = _("Signed")
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tx_hash = self.tx.hash()
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if tx_hash in self.wallet.transactions.keys():
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conf, timestamp = self.wallet.verifier.get_confirmations(tx_hash)
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if timestamp:
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time_str = datetime.datetime.fromtimestamp(timestamp).isoformat(' ')[:-3]
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else:
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time_str = 'pending'
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status = _("%d confirmations")%conf
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self.broadcast_button.hide()
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else:
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time_str = None
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conf = 0
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self.broadcast_button.show()
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else:
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s, r = self.tx.signature_count()
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status = _("Unsigned") if s == 0 else _('Partially signed (%d/%d)'%(s,r))
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time_str = None
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self.broadcast_button.hide()
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tx_hash = 'unknown'
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self.tx_hash_e.setText(tx_hash)
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self.status_label.setText(_('Status:') + ' ' + status)
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if time_str is not None:
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self.date_label.setText(_("Date: %s")%time_str)
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self.date_label.show()
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else:
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self.date_label.hide()
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# if we are not synchronized, we cannot tell
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if self.parent.network is None or not self.parent.network.is_running() or not self.parent.network.is_connected():
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return
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if not self.wallet.up_to_date:
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return
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if is_relevant:
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if is_mine:
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if fee is not None:
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self.amount_label.setText(_("Amount sent:")+' %s'% self.parent.format_amount(v-fee) + ' ' + self.parent.base_unit())
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self.fee_label.setText(_("Transaction fee")+': %s'% self.parent.format_amount(fee) + ' ' + self.parent.base_unit())
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else:
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self.amount_label.setText(_("Amount sent:")+' %s'% self.parent.format_amount(v) + ' ' + self.parent.base_unit())
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self.fee_label.setText(_("Transaction fee")+': '+ _("unknown"))
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else:
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self.amount_label.setText(_("Amount received:")+' %s'% self.parent.format_amount(v) + ' ' + self.parent.base_unit())
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else:
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self.amount_label.setText(_("Transaction unrelated to your wallet"))
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run_hook('transaction_dialog_update', self)
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def add_io(self, vbox):
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if self.tx.locktime > 0:
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vbox.addWidget(QLabel("LockTime: %d\n" % self.tx.locktime))
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vbox.addWidget(QLabel(_("Inputs")))
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def format_input(x):
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if x.get('is_coinbase'):
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return 'coinbase'
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else:
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_hash = x.get('prevout_hash')
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return _hash[0:8] + '...' + _hash[-8:] + ":%d"%x.get('prevout_n') + u'\t' + "%s"%x.get('address')
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lines = map(format_input, self.tx.inputs )
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i_text = QTextEdit()
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i_text.setFont(QFont(MONOSPACE_FONT))
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i_text.setText('\n'.join(lines))
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i_text.setReadOnly(True)
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i_text.setMaximumHeight(100)
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vbox.addWidget(i_text)
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vbox.addWidget(QLabel(_("Outputs")))
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lines = map(lambda x: x[0] + u'\t\t' + self.parent.format_amount(x[1]) if x[1] else x[0], self.tx.get_outputs())
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o_text = QTextEdit()
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o_text.setFont(QFont(MONOSPACE_FONT))
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o_text.setText('\n'.join(lines))
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o_text.setReadOnly(True)
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o_text.setMaximumHeight(100)
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vbox.addWidget(o_text)
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def show_message(self, msg):
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QMessageBox.information(self, _('Message'), msg, _('OK'))
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