create a trampoline onion when directly paying a trampoline node

electrum/lnworker.py

@@ -1968,14 +1968,6 @@ class LNWallet(LNWorker):
                     # for each trampoline forwarder, construct mpp trampoline
                     for trampoline_node_id, trampoline_parts in per_trampoline_channel_amounts.items():
                         per_trampoline_amount = sum([x[1] for x in trampoline_parts])
-                        if trampoline_node_id == paysession.invoice_pubkey:
-                            trampoline_route = None
-                            trampoline_onion = None
-                            per_trampoline_secret = paysession.payment_secret
-                            per_trampoline_amount_with_fees = amount_msat
-                            per_trampoline_cltv_delta = paysession.min_final_cltv_delta
-                            per_trampoline_fees = 0
-                        else:
                         trampoline_route, trampoline_onion, per_trampoline_amount_with_fees, per_trampoline_cltv_delta = create_trampoline_route_and_onion(
                             amount_msat=per_trampoline_amount,
                             total_msat=paysession.amount_to_pay,

electrum/trampoline.py

@@ -267,7 +267,9 @@ def create_trampoline_route(
 
     # Add final edge. note: eclair requires an encrypted t-onion blob even in legacy case.
     # Also needed for fees for last TF!
+    if route[-1].end_node != invoice_pubkey:
         _extend_trampoline_route(route, end_node=invoice_pubkey, trampoline_fee_level=trampoline_fee_level)
+
     # check that we can pay amount and fees
     if not is_route_within_budget(
         route=route,