tlnrouter: use 'disable' flags from channel updates in path finding - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
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---
DIR commit cd893de837def1aee792e0b71af24078aa812810
DIR parent 15a6a83107607d99079863bffc65805472376784
HTML Author: SomberNight <somber.night@protonmail.com>
Date: Wed, 1 Aug 2018 18:22:23 +0200
lnrouter: use 'disable' flags from channel updates in path finding
Diffstat:
M electrum/lnrouter.py | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
---
DIR diff --git a/electrum/lnrouter.py b/electrum/lnrouter.py
t@@ -107,7 +107,7 @@ class ChannelInfo(PrintError):
def on_channel_update(self, msg_payload, trusted=False):
assert self.channel_id == msg_payload['short_channel_id']
flags = int.from_bytes(msg_payload['flags'], 'big')
- direction = flags & 1
+ direction = flags & ChannelInfoDirectedPolicy.FLAG_DIRECTION
new_policy = ChannelInfoDirectedPolicy(msg_payload)
if direction == 0:
old_policy = self.policy_node1
t@@ -136,6 +136,9 @@ class ChannelInfo(PrintError):
class ChannelInfoDirectedPolicy:
+ FLAG_DIRECTION = 1 << 0
+ FLAG_DISABLE = 1 << 1
+
def __init__(self, channel_update_payload):
cltv_expiry_delta = channel_update_payload['cltv_expiry_delta']
htlc_minimum_msat = channel_update_payload['htlc_minimum_msat']
t@@ -151,6 +154,8 @@ class ChannelInfoDirectedPolicy:
self.flags = int.from_bytes(flags, "big")
self.timestamp = int.from_bytes(timestamp, "big")
+ self.disabled = self.flags & self.FLAG_DISABLE
+
def to_json(self) -> dict:
d = {}
d['cltv_expiry_delta'] = self.cltv_expiry_delta
t@@ -495,6 +500,7 @@ class LNPathFinder(PrintError):
channel_policy = channel_info.get_policy_for_node(start_node)
if channel_policy is None: return float('inf')
+ if channel_policy.disabled: return float('inf')
cltv_expiry_delta = channel_policy.cltv_expiry_delta
htlc_minimum_msat = channel_policy.htlc_minimum_msat
fee_base_msat = channel_policy.fee_base_msat