AaronFiore/electrum
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ln: implement option payment_secret

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This commit is contained in:
SomberNight
2020-03-24 20:07:00 +01:00
parent d424487814
commit 1be0a710c3
7 changed files with 105 additions and 36 deletions
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5
electrum/lnonion.py
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@@ -260,7 +260,8 @@ def new_onion_packet(payment_path_pubkeys: Sequence[bytes], session_key: bytes,
hmac=next_hmac)
def calc_hops_data_for_payment(route: 'LNPaymentRoute', amount_msat: int, final_cltv: int) \
def calc_hops_data_for_payment(route: 'LNPaymentRoute', amount_msat: int,
final_cltv: int, *, payment_secret: bytes = None) \
-> Tuple[List[OnionHopsDataSingle], int, int]:
"""Returns the hops_data to be used for constructing an onion packet,
and the amount_msat and cltv to be used on our immediate channel.
@@ -275,6 +276,8 @@ def calc_hops_data_for_payment(route: 'LNPaymentRoute', amount_msat: int, final_
"amt_to_forward": {"amt_to_forward": amt},
"outgoing_cltv_value": {"outgoing_cltv_value": cltv},
}
if payment_secret is not None:
hop_payload["payment_data"] = {"payment_secret": payment_secret, "total_msat": amt}
hops_data = [OnionHopsDataSingle(is_tlv_payload=route[-1].has_feature_varonion(),
payload=hop_payload)]
# payloads, backwards from last hop (but excluding the first edge):