lukechilds
/
electrum
mirror of https://github.com/lukechilds/electrum.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

trampoline MPP: handle direct payment to trampoline node

patch-4
ThomasV 2 years ago
parent
9251f482b5
commit
5e77886b98
1 changed files with 29 additions and 21 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 50
      electrum/lnworker.py

50
electrum/lnworker.py
View File

@ -1673,27 +1673,35 @@ class LNWallet(LNWorker):
routes = []
for trampoline_node_id, trampoline_parts in per_trampoline_channel_amounts.items():
per_trampoline_amount = sum([x[1] for x in trampoline_parts])
trampoline_route, trampoline_onion, per_trampoline_amount_with_fees, per_trampoline_cltv_delta = create_trampoline_route_and_onion(
amount_msat=per_trampoline_amount,
total_msat=final_total_msat,
min_cltv_expiry=min_cltv_expiry,
my_pubkey=self.node_keypair.pubkey,
invoice_pubkey=invoice_pubkey,
invoice_features=invoice_features,
node_id=trampoline_node_id,
r_tags=r_tags,
payment_hash=payment_hash,
payment_secret=payment_secret,
local_height=local_height,
trampoline_fee_level=trampoline_fee_level,
use_two_trampolines=use_two_trampolines,
failed_routes=self.failed_trampoline_routes)
# node_features is only used to determine is_tlv
per_trampoline_secret = os.urandom(32)
per_trampoline_fees = per_trampoline_amount_with_fees - per_trampoline_amount
self.logger.info(f'created route with trampoline fee level={trampoline_fee_level}')
self.logger.info(f'trampoline hops: {[hop.end_node.hex() for hop in trampoline_route]}')
self.logger.info(f'per trampoline fees: {per_trampoline_fees}')
if trampoline_node_id == invoice_pubkey:
trampoline_route = None
trampoline_onion = None
per_trampoline_secret = payment_secret
per_trampoline_amount_with_fees = amount_msat
per_trampoline_cltv_delta = min_cltv_expiry
per_trampoline_fees = 0
else:
trampoline_route, trampoline_onion, per_trampoline_amount_with_fees, per_trampoline_cltv_delta = create_trampoline_route_and_onion(
amount_msat=per_trampoline_amount,
total_msat=final_total_msat,
min_cltv_expiry=min_cltv_expiry,
my_pubkey=self.node_keypair.pubkey,
invoice_pubkey=invoice_pubkey,
invoice_features=invoice_features,
node_id=trampoline_node_id,
r_tags=r_tags,
payment_hash=payment_hash,
payment_secret=payment_secret,
local_height=local_height,
trampoline_fee_level=trampoline_fee_level,
use_two_trampolines=use_two_trampolines,
failed_routes=self.failed_trampoline_routes)
# node_features is only used to determine is_tlv
per_trampoline_secret = os.urandom(32)
per_trampoline_fees = per_trampoline_amount_with_fees - per_trampoline_amount
self.logger.info(f'created route with trampoline fee level={trampoline_fee_level}')
self.logger.info(f'trampoline hops: {[hop.end_node.hex() for hop in trampoline_route]}')
self.logger.info(f'per trampoline fees: {per_trampoline_fees}')
for chan_id, part_amount_msat in trampoline_parts:
chan = self.channels[chan_id]
margin = chan.available_to_spend(LOCAL, strict=True) - part_amount_msat

Write Preview
Loading…
Cancel
Save