From 37393fe686141f53543a18ec78386424b1291b3a Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@electrum.org>
Date: Thu, 31 May 2018 14:05:09 +0200
Subject: [PATCH] lightning: connect send button

---
 electrum/commands.py           |  3 ++-
 electrum/gui/qt/main_window.py | 11 ++++++++++-
 electrum/gui/qt/paytoedit.py   |  2 ++
 lib/lnworker.py                |  2 +-
 4 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/electrum/commands.py b/electrum/commands.py
index b97dc427f..8ab3b4221 100644
--- a/electrum/commands.py
+++ b/electrum/commands.py
@@ -755,7 +755,8 @@ class Commands:
 
     @command('wn')
     def lnpay(self, invoice):
-        self.wallet.lnworker.pay(invoice)
+        f = self.wallet.lnworker.pay(invoice)
+        return f.result()
 
     @command('wn')
     def addinvoice(self, requested_amount, message):
diff --git a/electrum/gui/qt/main_window.py b/electrum/gui/qt/main_window.py
index 11c2fbc20..9fb335998 100644
--- a/electrum/gui/qt/main_window.py
+++ b/electrum/gui/qt/main_window.py
@@ -1547,7 +1547,15 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
     def do_preview(self):
         self.do_send(preview = True)
 
+    def pay_lightning_invoice(self, invoice):
+        f = self.wallet.lnworker.pay(invoice)
+        self.do_clear()
+
     def do_send(self, preview = False):
+        if self.payto_e.is_lightning:
+            self.pay_lightning_invoice(self.payto_e.lightning_invoice)
+            return
+        #
         if run_hook('abort_send', self):
             return
         r = self.read_send_tab()
@@ -1763,11 +1771,11 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
         else:
              description = ''
         self.payto_e.setFrozen(True)
-        self.payto_e.setGreen()
         self.payto_e.setText(pubkey)
         self.message_e.setText(description)
         self.amount_e.setAmount(lnaddr.amount)
         #self.amount_e.textEdited.emit("")
+        self.payto_e.is_lightning = True
 
     def pay_to_URI(self, URI):
         if not URI:
@@ -1805,6 +1813,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
         self.not_enough_funds = False
         self.payment_request = None
         self.payto_e.is_pr = False
+        self.payto_e.is_lightning = False
         for e in [self.payto_e, self.message_e, self.amount_e, self.fiat_send_e,
                   self.fee_e, self.feerate_e]:
             e.setText('')
diff --git a/electrum/gui/qt/paytoedit.py b/electrum/gui/qt/paytoedit.py
index 2b6bfce7b..0661dfa0a 100644
--- a/electrum/gui/qt/paytoedit.py
+++ b/electrum/gui/qt/paytoedit.py
@@ -58,6 +58,7 @@ class PayToEdit(CompletionTextEdit, ScanQRTextEdit, PrintError):
         self.errors = []
         self.is_pr = False
         self.is_alias = False
+        self.is_lightning = False
         self.update_size()
         self.payto_address = None
         self.previous_payto = ''
@@ -131,6 +132,7 @@ class PayToEdit(CompletionTextEdit, ScanQRTextEdit, PrintError):
                 return
             if data.startswith("ln"):
                 self.win.parse_lightning_invoice(data)
+                self.lightning_invoice = data
                 return
             try:
                 self.payto_address = self.parse_output(data)
diff --git a/lib/lnworker.py b/lib/lnworker.py
index c8fa43f09..54cefa28b 100644
--- a/lib/lnworker.py
+++ b/lib/lnworker.py
@@ -193,7 +193,7 @@ class LNWorker(PrintError):
 
     def pay(self, invoice):
         coro = self._pay_coroutine(invoice)
-        return asyncio.run_coroutine_threadsafe(coro, self.network.asyncio_loop).result()
+        return asyncio.run_coroutine_threadsafe(coro, self.network.asyncio_loop)
 
     # not aiosafe because we call .result() which will propagate an exception
     async def _pay_coroutine(self, invoice):