lightning: qt invoice list

gui/qt/exception_window.py

@@ -57,6 +57,8 @@ class Exception_Window(QWidget):
 
     def __init__(self, main_window, exctype, value, tb):
         self.exc_args = (exctype, value, tb)
+        print(self.get_traceback_info()["exc_string"])
+        print(self.get_traceback_info()["stack"])
         self.main_window = main_window
         QWidget.__init__(self)
         self.setWindowTitle('Electrum - ' + _('An Error Occured'))

gui/qt/lightning_invoice_list.py

@@ -0,0 +1,119 @@
+# -*- coding: utf-8 -*-
+import binascii
+from PyQt5 import QtCore, QtWidgets
+from collections import OrderedDict
+import logging
+from electrum.lightning import lightningCall
+
+mapping = {0: "r_hash", 1: "pay_req", 2: "settled"}
+revMapp = {"r_hash": 0, "pay_req": 1, "settled": 2}
+datatable = OrderedDict([])
+idx = 0
+
+class MyTableRow(QtWidgets.QTreeWidgetItem):
+    def __init__(self, di):
+        strs = [str(di[mapping[key]]) for key in range(len(mapping))]
+        print(strs)
+        super(MyTableRow, self).__init__(strs)
+        assert isinstance(di, dict)
+        self.di = di
+    def __getitem__(self, idx):
+        return self.di[idx]
+    def __setitem__(self, idx, val):
+        self.di[idx] = val
+        try:
+            self.setData(revMapp[idx], QtCore.Qt.DisplayRole, '{0}'.format(val))
+        except IndexError:
+            logging.warning("Lightning Invoice field %s unknown", idx)
+    def __str__(self):
+        return str(self.di)
+
+def addInvoiceRow(new):
+    made = MyTableRow(new)
+    datatable[new["r_hash"]] = made
+    datatable.move_to_end(new["r_hash"], last=False)
+    return made
+
+class SatoshiCountSpinBox(QtWidgets.QSpinBox):
+    def keyPressEvent(self, e):
+        super(SatoshiCountSpinBox, self).keyPressEvent(e)
+        if QtCore.Qt.Key_Return == e.key():
+            clickHandler(self)
+
+def clickHandler(numInput, treeView, lightningRpc):
+    print(numInput.value())
+    global idx
+    obj = {
+        "r_hash": binascii.hexlify((int.from_bytes(bytearray.fromhex("9500edb0994b7bc23349193486b25c82097045db641f35fa988c0e849acdec29"), "big")+idx).to_bytes(byteorder="big", length=32)).decode("ascii"),
+        "pay_req": "lntb81920n1pdf258s" + str(idx),
+        "settled": False
+    }
+    treeView.insertTopLevelItem(0, addInvoiceRow(obj))
+    idx += 1
+    lightningCall(lightningRpc, "getinfo")()
+
+class LightningInvoiceList(QtWidgets.QWidget):
+    def create_menu(self, position):
+        menu = QtWidgets.QMenu()
+        pay_req = self._tv.currentItem()["pay_req"]
+        cb = QtWidgets.QApplication.instance().clipboard()
+        def copy():
+            print(pay_req)
+            cb.setText(pay_req)
+        menu.addAction("Copy payment request", copy)
+        menu.exec_(self._tv.viewport().mapToGlobal(position))
+    """
+    A simple test widget to contain and own the model and table.
+    """
+    def __init__(self, parent, lightningWorker, lightningRpc):
+        QtWidgets.QWidget.__init__(self, parent)
+
+        lightningWorker.subscribe(lambda *args: print(args))
+        lightningRpc.subscribe(lambda *args: print(args))
+
+        self._tv=QtWidgets.QTreeWidget(self)
+        self._tv.setHeaderLabels([mapping[i] for i in range(len(mapping))])
+        self._tv.setColumnCount(len(mapping))
+        self._tv.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
+        self._tv.customContextMenuRequested.connect(self.create_menu)
+
+        numInput = SatoshiCountSpinBox(self)
+
+        button = QtWidgets.QPushButton('Add invoice', self)
+        button.clicked.connect(lambda: clickHandler(numInput, self._tv, lightningRpc))
+
+        l=QtWidgets.QVBoxLayout(self)
+        h=QtWidgets.QGridLayout(self)
+        h.addWidget(numInput, 0, 0)
+        h.addWidget(button, 0, 1)
+        #h.addItem(QtWidgets.QSpacerItem(100, 200, QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Preferred), 0, 2)
+        #h.setSizePolicy(
+        h.setColumnStretch(0, 1)
+        h.setColumnStretch(1, 1)
+        h.setColumnStretch(2, 2)
+        l.addLayout(h)
+        l.addWidget(self._tv)
+
+        self.resize(2500,1000)
+
+def tick():
+  key = "9500edb0994b7bc23349193486b25c82097045db641f35fa988c0e849acdec29"
+  if not key in datatable:
+      return
+  row = datatable[key]
+  row["settled"] = not row["settled"]
+  print("data changed")
+
+if __name__=="__main__":
+    from sys import argv, exit
+
+    a=QtWidgets.QApplication(argv)
+
+    w=LightningInvoiceList()
+    w.show()
+    w.raise_()
+
+    timer = QtCore.QTimer()
+    timer.timeout.connect(tick)
+    timer.start(1000)
+    exit(a.exec_())

gui/qt/main_window.py

@@ -147,6 +147,9 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
         tabs.addTab(self.send_tab, QIcon(":icons/tab_send.png"), _('Send'))
         tabs.addTab(self.receive_tab, QIcon(":icons/tab_receive.png"), _('Receive'))
 
+        self.lightning_invoices_tab = self.create_lightning_invoices_tab(wallet)
+        tabs.addTab(self.lightning_invoices_tab, _("Lightning Invoices"))
+
         def add_optional_tab(tabs, tab, icon, description, name):
             tab.tab_icon = icon
             tab.tab_description = description
@@ -750,6 +753,11 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
         self.invoice_list.update()
         self.update_completions()
 
+    def create_lightning_invoices_tab(self, wallet):
+        from .lightning_invoice_list import LightningInvoiceList
+        self.lightning_invoice_list = LightningInvoiceList(self, wallet.lightningworker, wallet.lightning)
+        return self.lightning_invoice_list
+
     def create_history_tab(self):
         from .history_list import HistoryList
         self.history_list = l = HistoryList(self)

testserver.py

@@ -0,0 +1,13 @@
+import asyncio
+
+async def handler(reader, writer):
+    magic = await reader.read(6)
+    await asyncio.sleep(5)
+    print("in five sec!")
+    await asyncio.sleep(5)
+    writer.write(b'{\n  "r_preimage": "6UNoNhDZ/0awtaDTM7KuCtlYcNkNljscxMLleoJv9+o=",\n  "r_hash": "t7IwR6zq8ZAfHaxvTnPmHdyt9j2tVd9g6TDg59C4juM=",\n  "value": "8192",\n  "settled": true,\n  "creation_date": "1519994196",\n  "settle_date": "1519994199",\n  "payment_request": "lntb81920n1pdfj325pp5k7erq3avatceq8ca43h5uulxrhw2ma3a442a7c8fxrsw059c3m3sdqqcqzysdpwv4dn2xd74lfmea3taxj6pjfxrdl42t8w7ceptgv5ds0td0ypk47llryl6t4a48x54d7mnwremgcmljced4dhwty9g3pfywr307aqpwtkzf4",\n  "expiry": "3600",\n  "cltv_expiry": "144"\n}\n')
+    await writer.drain()
+    print(magic)
+
+asyncio.ensure_future(asyncio.start_server(handler, "127.0.0.1", 1080))
+asyncio.get_event_loop().run_forever()