electrum

Electrum Bitcoin wallet
git clone https://git.parazyd.org/electrum
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commit 52377dbfa04072e2296426a6db2e921157bd6da0
parent ff0aa90ddf5c461105d0c798fa8f98f4db57d0be
Author: SomberNight <somber.night@protonmail.com>
Date:   Tue, 16 Oct 2018 17:08:44 +0200

lnrouter: use htlc_maximum_msat

Diffstat:
Melectrum/lnrouter.py | 9++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/electrum/lnrouter.py b/electrum/lnrouter.py @@ -150,7 +150,7 @@ class ChannelInfoDirectedPolicy: fee_proportional_millionths = channel_update_payload['fee_proportional_millionths'] channel_flags = channel_update_payload['channel_flags'] timestamp = channel_update_payload['timestamp'] - htlc_maximum_msat = channel_update_payload.get('htlc_maximum_msat') # optional + htlc_maximum_msat = channel_update_payload.get('htlc_maximum_msat') # optional self.cltv_expiry_delta = int.from_bytes(cltv_expiry_delta, "big") self.htlc_minimum_msat = int.from_bytes(htlc_minimum_msat, "big") @@ -497,7 +497,7 @@ class LNPathFinder(PrintError): """Heuristic cost of going through a channel. direction: 0 or 1. --- 0 means node_id_1 -> node_id_2 """ - channel_info = self.channel_db.get_channel_info(short_channel_id) + channel_info = self.channel_db.get_channel_info(short_channel_id) # type: ChannelInfo if channel_info is None: return float('inf') @@ -514,8 +514,11 @@ class LNPathFinder(PrintError): if channel_info.capacity_sat is not None and \ payment_amt_msat // 1000 > channel_info.capacity_sat: return float('inf') # payment amount too large + if channel_policy.htlc_maximum_msat is not None and \ + payment_amt_msat > channel_policy.htlc_maximum_msat: + return float('inf') # payment amount too large amt = payment_amt_msat or 50000 * 1000 # guess for typical payment amount - fee_msat = fee_base_msat + amt * fee_proportional_millionths / 1000000 + fee_msat = fee_base_msat + amt * fee_proportional_millionths / 1_000_000 # TODO revise # paying 10 more satoshis ~ waiting one more block fee_cost = fee_msat / 1000 / 10