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254 lines
8.9 KiB
254 lines
8.9 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.bitcoin import base_encode |
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from electrum.plugins import run_hook |
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from util import * |
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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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self.saved = True |
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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 = ButtonsLineEdit() |
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qr_show = lambda: self.parent.show_qrcode(str(self.tx_hash_e.text()), 'Transaction ID') |
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self.tx_hash_e.addButton(":icons/qrcode.png", qr_show, _("Show as QR code")) |
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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.sign_button = b = QPushButton(_("Sign")) |
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b.clicked.connect(self.sign) |
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self.broadcast_button = b = QPushButton(_("Broadcast")) |
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b.clicked.connect(self.do_broadcast) |
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b.hide() |
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self.save_button = b = QPushButton(_("Save")) |
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b.clicked.connect(self.save) |
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self.cancel_button = b = QPushButton(_("Close")) |
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b.clicked.connect(self.close) |
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b.setDefault(True) |
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self.qr_button = 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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self.copy_button = CopyButton(lambda: str(self.tx), self.parent.app) |
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self.buttons = [self.copy_button, self.qr_button, self.sign_button, self.broadcast_button, self.save_button, self.cancel_button] |
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run_hook('transaction_dialog', self) |
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vbox.addLayout(Buttons(*self.buttons)) |
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self.update() |
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def do_broadcast(self): |
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self.parent.broadcast_transaction(self.tx) |
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self.saved = True |
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def close(self): |
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if not self.saved: |
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if QMessageBox.question(self, _('Message'), _('This transaction is not saved. Close anyway?'), QMessageBox.Yes | QMessageBox.No, QMessageBox.No) == QMessageBox.No: |
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return |
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self.done(0) |
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def show_qr(self): |
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text = self.tx.raw.decode('hex') |
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text = base_encode(text, base=43) |
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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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self.saved = True |
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def update(self): |
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is_relevant, is_mine, v, fee = self.wallet.get_wallet_delta(self.tx) |
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tx_hash = self.tx.hash() |
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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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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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self.broadcast_button.hide() # cannot broadcast when offline |
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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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ext = QTextCharFormat() |
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own = QTextCharFormat() |
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own.setBackground(QBrush(QColor("lightgreen"))) |
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own.setToolTip(_("Own address")) |
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i_text = QTextEdit() |
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i_text.setFont(QFont(MONOSPACE_FONT)) |
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i_text.setReadOnly(True) |
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i_text.setMaximumHeight(100) |
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cursor = i_text.textCursor() |
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for x in self.tx.inputs: |
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if x.get('is_coinbase'): |
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cursor.insertText('coinbase') |
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else: |
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prevout_hash = x.get('prevout_hash') |
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prevout_n = x.get('prevout_n') |
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cursor.insertText(prevout_hash[0:8] + '...' + prevout_hash[-8:] + ":%d"%prevout_n, ext) |
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cursor.insertText('\t') |
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addr = x.get('address') |
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if addr == "(pubkey)": |
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_addr = self.wallet.find_pay_to_pubkey_address(prevout_hash, prevout_n) |
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if _addr: |
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addr = _addr |
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cursor.insertText(addr, own if self.wallet.is_mine(addr) else ext) |
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cursor.insertBlock() |
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vbox.addWidget(i_text) |
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vbox.addWidget(QLabel(_("Outputs"))) |
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o_text = QTextEdit() |
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o_text.setFont(QFont(MONOSPACE_FONT)) |
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o_text.setReadOnly(True) |
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o_text.setMaximumHeight(100) |
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cursor = o_text.textCursor() |
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for addr, v in self.tx.get_outputs(): |
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cursor.insertText(addr, own if self.wallet.is_mine(addr) else ext) |
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if v is not None: |
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cursor.insertText('\t', ext) |
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cursor.insertText(self.parent.format_amount(v), ext) |
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cursor.insertBlock() |
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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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