AaronFiore/electrum
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Refactor payment forwarding:

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- all forwarding types use the same flow
 - forwarding callback returns a htlc_key or None
 - forwarding info is persisted in lnworker:
   - ongoing_forwardings
   - downstream to upstream htlc_key
   - htlc_key -> error_bytes
This commit is contained in:
ThomasV
2023-10-22 12:49:26 +02:00
parent f1c63e2d51
commit 9b1c40e396
6 changed files with 179 additions and 174 deletions
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4
electrum/submarine_swaps.py
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@@ -30,6 +30,7 @@ from .bitcoin import construct_script
from .crypto import ripemd
from .invoices import Invoice
from .network import TxBroadcastServerReturnedError
from .lnonion import OnionRoutingFailure, OnionFailureCode
if TYPE_CHECKING:
@@ -234,7 +235,8 @@ class SwapManager(Logger):
self.lnworker.unregister_hold_invoice(swap.payment_hash)
payment_secret = self.lnworker.get_payment_secret(swap.payment_hash)
payment_key = swap.payment_hash + payment_secret
self.lnworker.fail_final_onion_forwarding(payment_key)
e = OnionRoutingFailure(code=OnionFailureCode.UNKNOWN_NEXT_PEER, data=b'')
self.lnworker.save_forwarding_failure(payment_key.hex(), failure_message=e)
self.lnwatcher.remove_callback(swap.lockup_address)
if swap.funding_txid is None:
self.swaps.pop(swap.payment_hash.hex())