trampoline: forwarding, use correct secret for legacy case

4 years ago · a3ec3f3228
2 changed files with 8 additions and 3 deletions
--- a/electrum/lnpeer.py
+++ b/electrum/lnpeer.py
@ -1443,7 +1443,12 @@ class Peer(Logger):

        payload = trampoline_onion.hop_data.payload
        payment_hash = htlc.payment_hash
+        payment_data = payload.get('payment_data')
+        if payment_data:  # legacy case
+            payment_secret = payment_data['payment_secret']
+        else:
            payment_secret = os.urandom(32)
+
        try:
            outgoing_node_id = payload["outgoing_node_id"]["outgoing_node_id"]
            amt_to_forward = payload["amt_to_forward"]["amt_to_forward"]