electrum

Electrum Bitcoin wallet
git clone https://git.parazyd.org/electrum
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lightning_tx_dialog.py (4669B)

      1 #!/usr/bin/env python
      2 #
      3 # Electrum - lightweight Bitcoin client
      4 # Copyright (C) 2020 The Electrum Developers
      5 #
      6 # Permission is hereby granted, free of charge, to any person
      7 # obtaining a copy of this software and associated documentation files
      8 # (the "Software"), to deal in the Software without restriction,
      9 # including without limitation the rights to use, copy, modify, merge,
     10 # publish, distribute, sublicense, and/or sell copies of the Software,
     11 # and to permit persons to whom the Software is furnished to do so,
     12 # subject to the following conditions:
     13 #
     14 # The above copyright notice and this permission notice shall be
     15 # included in all copies or substantial portions of the Software.
     16 #
     17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     18 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     19 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     20 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     21 # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     22 # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     23 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     24 # SOFTWARE.
     25 
     26 from typing import TYPE_CHECKING
     27 from decimal import Decimal
     28 import datetime
     29 
     30 from PyQt5.QtGui import QFont
     31 from PyQt5.QtWidgets import QVBoxLayout, QLabel, QGridLayout
     32 
     33 from electrum.i18n import _
     34 from electrum.invoices import LNInvoice
     35 
     36 from .util import WindowModalDialog, ButtonsLineEdit, ColorScheme, Buttons, CloseButton, MONOSPACE_FONT
     37 from .qrtextedit import ShowQRTextEdit
     38 
     39 if TYPE_CHECKING:
     40     from .main_window import ElectrumWindow
     41 
     42 
     43 
     44 class LightningTxDialog(WindowModalDialog):
     45 
     46     def __init__(self, parent: 'ElectrumWindow', tx_item: dict):
     47         WindowModalDialog.__init__(self, parent, _("Lightning Payment"))
     48         self.parent = parent
     49         self.is_sent = bool(tx_item['direction'] == 'sent')
     50         self.label = tx_item['label']
     51         self.timestamp = tx_item['timestamp']
     52         self.amount = Decimal(tx_item['amount_msat']) / 1000
     53         self.payment_hash = tx_item['payment_hash']
     54         self.preimage = tx_item['preimage']
     55         invoice = (self.parent.wallet.get_invoice(self.payment_hash)
     56                    or self.parent.wallet.get_request(self.payment_hash))
     57         if invoice:
     58             assert isinstance(invoice, LNInvoice), f"{self.invoice!r}"
     59             self.invoice = invoice.invoice
     60         else:
     61             self.invoice = ''
     62 
     63         self.setMinimumWidth(700)
     64         vbox = QVBoxLayout()
     65         self.setLayout(vbox)
     66 
     67         # FIXME fiat values here are using today's FX rate instead of historical
     68         vbox.addWidget(QLabel(_("Amount") + ": " + self.parent.format_amount_and_units(self.amount)))
     69         if self.is_sent:
     70             fee = Decimal(tx_item['fee_msat']) / 1000
     71             vbox.addWidget(QLabel(_("Fee") + ": " + self.parent.format_amount_and_units(fee)))
     72         time_str = datetime.datetime.fromtimestamp(self.timestamp).isoformat(' ')[:-3]
     73         vbox.addWidget(QLabel(_("Date") + ": " + time_str))
     74 
     75         qr_icon = "qrcode_white.png" if ColorScheme.dark_scheme else "qrcode.png"
     76 
     77         vbox.addWidget(QLabel(_("Payment hash") + ":"))
     78         self.hash_e = ButtonsLineEdit(self.payment_hash)
     79         self.hash_e.addCopyButton(self.parent.app)
     80         self.hash_e.addButton(qr_icon,
     81                               self.show_qr(self.hash_e, _("Payment hash")),
     82                               _("Show QR Code"))
     83         self.hash_e.setReadOnly(True)
     84         self.hash_e.setFont(QFont(MONOSPACE_FONT))
     85         vbox.addWidget(self.hash_e)
     86 
     87         vbox.addWidget(QLabel(_("Preimage") + ":"))
     88         self.preimage_e = ButtonsLineEdit(self.preimage)
     89         self.preimage_e.addCopyButton(self.parent.app)
     90         self.preimage_e.addButton(qr_icon,
     91                                   self.show_qr(self.preimage_e, _("Preimage")),
     92                                   _("Show QR Code"))
     93         self.preimage_e.setReadOnly(True)
     94         self.preimage_e.setFont(QFont(MONOSPACE_FONT))
     95         vbox.addWidget(self.preimage_e)
     96 
     97         vbox.addWidget(QLabel(_("Lightning Invoice") + ":"))
     98         self.invoice_e = ShowQRTextEdit(self.invoice, config=parent.config)
     99         self.invoice_e.setMaximumHeight(150)
    100         self.invoice_e.addCopyButton(self.parent.app)
    101         vbox.addWidget(self.invoice_e)
    102 
    103         vbox.addLayout(Buttons(CloseButton(self)))
    104 
    105     def show_qr(self, line_edit, title=''):
    106         def f():
    107             text = line_edit.text()
    108             try:
    109                 self.parent.show_qrcode(text, title, parent=self)
    110             except Exception as e:
    111                 self.show_message(repr(e))
    112         return f