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93 lines
3.4 KiB
93 lines
3.4 KiB
import binascii
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from kivy.lang import Builder
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from kivy.factory import Factory
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from electrum_gui.kivy.i18n import _
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from kivy.clock import mainthread
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from electrum.lightning_payencode.lnaddr import lndecode
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Builder.load_string('''
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<LightningPayerDialog@Popup>
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id: s
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name: 'lightning_payer'
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invoice_data: ''
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BoxLayout:
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orientation: "vertical"
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BlueButton:
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text: s.invoice_data if s.invoice_data else _('Lightning invoice')
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shorten: True
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on_release: Clock.schedule_once(lambda dt: app.show_info(_('Copy and paste the lightning invoice using the Paste button, or use the camera to scan a QR code.')))
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GridLayout:
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cols: 4
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size_hint: 1, None
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height: '48dp'
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IconButton:
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id: qr
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on_release: Clock.schedule_once(lambda dt: app.scan_qr(on_complete=s.on_lightning_qr))
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icon: 'atlas://gui/kivy/theming/light/camera'
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Button:
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text: _('Paste')
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on_release: s.do_paste()
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Button:
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text: _('Paste using xclip')
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on_release: s.do_paste_xclip()
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Button:
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text: _('Clear')
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on_release: s.do_clear()
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Button:
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size_hint: 1, None
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height: '48dp'
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text: _('Open channel to pubkey in invoice')
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on_release: s.do_open_channel()
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Button:
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size_hint: 1, None
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height: '48dp'
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text: _('Pay pasted/scanned invoice')
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on_release: s.do_pay()
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''')
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class LightningPayerDialog(Factory.Popup):
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def __init__(self, app):
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super(LightningPayerDialog, self).__init__()
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self.app = app
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#def open(self, *args, **kwargs):
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# super(LightningPayerDialog, self).open(*args, **kwargs)
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#def dismiss(self, *args, **kwargs):
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# super(LightningPayerDialog, self).dismiss(*args, **kwargs)
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def do_paste_xclip(self):
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import subprocess
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proc = subprocess.run(["xclip","-sel","clipboard","-o"], stdout=subprocess.PIPE)
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self.invoice_data = proc.stdout.decode("ascii")
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def do_paste(self):
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contents = self.app._clipboard.paste()
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if not contents:
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self.app.show_info(_("Clipboard is empty"))
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return
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self.invoice_data = contents
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def do_clear(self):
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self.invoice_data = ""
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def do_open_channel(self):
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compressed_pubkey_bytes = lndecode(self.invoice_data).pubkey.serialize()
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hexpubkey = binascii.hexlify(compressed_pubkey_bytes).decode("ascii")
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local_amt = 200000
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push_amt = 100000
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def on_success(pw):
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# node_id, local_amt, push_amt, emit_function, get_password
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self.app.wallet.lnworker.open_channel_from_other_thread(hexpubkey, local_amt, push_amt, mainthread(lambda parent: self.app.show_info(_("Channel open, waiting for locking..."))), lambda: pw)
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if self.app.wallet.has_keystore_encryption():
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# wallet, msg, on_success (Tuple[str, str] -> ()), on_failure (() -> ())
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self.app.password_dialog(self.app.wallet, _("Password needed for opening channel"), on_success, lambda: self.app.show_error(_("Failed getting password from you")))
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else:
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on_success("")
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def do_pay(self):
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self.app.wallet.lnworker.pay_invoice_from_other_thread(self.invoice_data)
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def on_lightning_qr(self, data):
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self.invoice_data = str(data)
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