tlnworker: add fees from private path to the amount passed to find_route. (see #7050) - electrum - Electrum Bitcoin wallet
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---
DIR commit bf1d51695953297421dc7453835af10de9354ce3
DIR parent 391dba7117182237aad4195ce95a28cde999b6aa
HTML Author: ThomasV <thomasv@electrum.org>
Date: Wed, 24 Feb 2021 16:11:15 +0100
lnworker: add fees from private path to the amount passed to find_route.
(see #7050)
Diffstat:
M electrum/lnworker.py | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
---
DIR diff --git a/electrum/lnworker.py b/electrum/lnworker.py
t@@ -1473,6 +1473,7 @@ class LNWallet(LNWorker):
# first try with routing hints, then without
for private_path in r_tags + [[]]:
private_route = []
+ amount_for_node = amount_msat
path = full_path
if len(private_path) > NUM_MAX_EDGES_IN_PAYMENT_PATH:
continue
t@@ -1507,6 +1508,8 @@ class LNWallet(LNWorker):
cltv_expiry_delta=cltv_expiry_delta,
node_features=node_info.features if node_info else 0))
prev_node_id = node_pubkey
+ for edge in private_route[::-1]:
+ amount_for_node += edge.fee_for_edge(amount_for_node)
if full_path:
# user pre-selected path. check that end of given path coincides with private_route:
if [edge.short_channel_id for edge in full_path[-len(private_path):]] != [edge[1] for edge in private_path]:
t@@ -1514,7 +1517,7 @@ class LNWallet(LNWorker):
path = full_path[:-len(private_path)]
try:
route = self.network.path_finder.find_route(
- self.node_keypair.pubkey, border_node_pubkey, amount_msat,
+ self.node_keypair.pubkey, border_node_pubkey, amount_for_node,
path=path, my_channels=scid_to_my_channels, blacklist=blacklist)
except NoChannelPolicy:
continue