AaronFiore/electrum
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trampoline: use trampoline policy for intermediate forwarders

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bitromortac
2021-07-20 16:55:03 +02:00
parent 2d2b889312
commit 58dd8996fb
1 changed files with 15 additions and 9 deletions
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24
electrum/trampoline.py
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@@ -186,16 +186,22 @@ def create_trampoline_route(
route[-1].outgoing_node_id = invoice_pubkey
else: # end-to-end trampoline
if r_tag_chosen_for_e2e_trampoline:
pubkey, scid, feebase, feerate, cltv = r_tag_chosen_for_e2e_trampoline
pubkey = r_tag_chosen_for_e2e_trampoline[0]
if route[-1].end_node != pubkey:
route.append(
TrampolineEdge(
start_node=route[-1].end_node,
end_node=pubkey,
fee_base_msat=feebase,
fee_proportional_millionths=feerate,
cltv_expiry_delta=cltv,
node_features=trampoline_features))
# We don't use the forwarding policy from the route hint, which
# is only valid for legacy forwarding. Trampoline forwarders require
# higher fees and cltv deltas.
trampoline_fee_level = trampoline_fee_levels[pubkey]
if trampoline_fee_level < len(TRAMPOLINE_FEES):
fee_policy = TRAMPOLINE_FEES[trampoline_fee_level]
route.append(
TrampolineEdge(
start_node=route[-1].end_node,
end_node=pubkey,
fee_base_msat=fee_policy['fee_base_msat'],
fee_proportional_millionths=fee_policy['fee_proportional_millionths'],
cltv_expiry_delta=fee_policy['cltv_expiry_delta'],
node_features=trampoline_features))
# Final edge (not part of the route if payment is legacy, but eclair requires an encrypted blob)
route.append(