lnutil.PaymentAttemptLog: fix error formatting

fixes #6249
2020-06-22 03:40:04 +02:00
parent b6db201570
commit 89ddc1345d
2 changed files with 11 additions and 2 deletions
--- a/electrum/lnutil.py
+++ b/electrum/lnutil.py
@@ -269,8 +269,12 @@ class PaymentAttemptLog(NamedTuple):
                sender_idx = self.failure_details.sender_idx
                failure_msg = self.failure_details.failure_msg
                if sender_idx is not None:
-                    short_channel_id = route[sender_idx+1].short_channel_id
-                message = str(failure_msg.code.name)
+                    try:
+                        short_channel_id = route[sender_idx + 1].short_channel_id
+                    except IndexError:
+                        # payment destination reported error
+                        short_channel_id = _("Destination node")
+                message = failure_msg.code_name()
            else:
                short_channel_id = route[-1].short_channel_id
                message = _('Success')