add labels to lightning history

electrum/gui/qt/invoice_list.py

@@ -100,11 +100,7 @@ class InvoiceList(MyTreeView):
             lnaddr = lndecode(invoice, expected_hrp=constants.net.SEGWIT_HRP)
             amount_sat = lnaddr.amount*COIN if lnaddr.amount else None
             amount_str = self.parent.format_amount(amount_sat) if amount_sat else ''
-            description = ''
-            for k,v in lnaddr.tags:
-                if k == 'd':
-                    description = v
-                    break
+            description = lnaddr.get_description()
             date_str = format_time(lnaddr.date)
             labels = [date_str, description, amount_str, pr_tooltips.get(status,'')]
             items = [QStandardItem(e) for e in labels]

electrum/gui/qt/request_list.py

@@ -144,11 +144,7 @@ class RequestList(MyTreeView):
             lnaddr = lndecode(invoice, expected_hrp=constants.net.SEGWIT_HRP)
             amount_sat = lnaddr.amount*COIN if lnaddr.amount else None
             amount_str = self.parent.format_amount(amount_sat) if amount_sat else ''
-            description = ''
-            for k,v in lnaddr.tags:
-                if k == 'd':
-                    description = v
-                    break
+            description = lnaddr.get_description()
             date = format_time(lnaddr.date)
             labels = [date, description, amount_str, pr_tooltips.get(status,'')]
             items = [QStandardItem(e) for e in labels]

electrum/lnaddr.py

@@ -258,6 +258,14 @@ class LnAddr(object):
     def get_min_final_cltv_expiry(self) -> int:
         return self._min_final_cltv_expiry
 
+    def get_description(self):
+        description = ''
+        for k,v in self.tags:
+            if k == 'd':
+                description = v
+                break
+        return description
+
 
 def lndecode(a, verbose=False, expected_hrp=None):
     if expected_hrp is None:

electrum/lnworker.py

@@ -305,8 +305,8 @@ class LNWallet(LNWorker):
                 chan_id, htlc, _direction, status = plist[0]
                 direction = 'sent' if _direction == SENT else 'received'
                 amount_msat= int(_direction) * htlc.amount_msat
-                label = ''
                 timestamp = htlc.timestamp
+                label = self.get_invoice_label(bfh(payment_hash))
             else:
                 # assume forwarding
                 direction = 'forwarding'
@@ -742,6 +742,14 @@ class LNWallet(LNWorker):
         except KeyError as e:
             raise UnknownPaymentHash(payment_hash) from e
 
+    def get_invoice_label(self, payment_hash: bytes) -> str:
+        try:
+            lnaddr = self.get_invoice(payment_hash)
+            label = lnaddr.get_description()
+        except:
+            label = ''
+        return label
+
     def _calc_routing_hints_for_invoice(self, amount_sat):
         """calculate routing hints (BOLT-11 'r' field)"""
         self.channel_db.load_data()
@@ -800,7 +808,7 @@ class LNWallet(LNWorker):
             # we output the funding_outpoint instead of the channel_id because lnd uses channel_point (funding outpoint) to identify channels
             for channel_id, chan in self.channels.items():
                 yield {
-                    'local_htlcs':  json.loads(encoder.encode(chan.hm.log[LOCAL ])),
+                    'local_htlcs': json.loads(encoder.encode(chan.hm.log[LOCAL])),
                     'remote_htlcs': json.loads(encoder.encode(chan.hm.log[REMOTE])),
                     'channel_id': bh2u(chan.short_channel_id) if chan.short_channel_id else None,
                     'full_channel_id': bh2u(chan.channel_id),