AaronFiore/electrum
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small clean-up re max CLTV delta for LN

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SomberNight
2020-03-30 01:42:14 +02:00
parent d0a80226ea
commit 90f3b667aa
4 changed files with 8 additions and 5 deletions
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4
electrum/lnrouter.py
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@@ -31,6 +31,7 @@ from .util import bh2u, profiler
from .logging import Logger
from .lnutil import NUM_MAX_EDGES_IN_PAYMENT_PATH, ShortChannelID
from .channel_db import ChannelDB, Policy
from .lnutil import NBLOCK_CLTV_EXPIRY_TOO_FAR_INTO_FUTURE
if TYPE_CHECKING:
from .lnchannel import Channel
@@ -99,8 +100,7 @@ def is_route_sane_to_use(route: LNPaymentRoute, invoice_amount_msat: int, min_fi
cltv += route_edge.cltv_expiry_delta
total_fee = amt - invoice_amount_msat
# TODO revise ad-hoc heuristics
# cltv cannot be more than 2 months
if cltv > 60 * 144:
if cltv > NBLOCK_CLTV_EXPIRY_TOO_FAR_INTO_FUTURE:
return False
if not is_fee_sane(total_fee, payment_amount_msat=invoice_amount_msat):
return False