AaronFiore/electrum
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lnworker: allow overwriting amount of sent payment info

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Allows replacing a saved `PaymentInfo` of `SENT` direction if the old
one is not yet paid.
This allows the user to retry paying a 0 amount invoice with different
amount if the previous attempt failed.
This commit is contained in:
f321x
2025-11-28 17:06:07 +01:00
parent 923d48f9db
commit df612fa010
1 changed files with 9 additions and 3 deletions
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12
electrum/lnworker.py
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@@ -2553,9 +2553,15 @@ class LNWallet(LNWorker):
if old_info := self.get_payment_info(payment_hash=info.payment_hash, direction=info.direction):
if info == old_info:
return # already saved
if info.direction == SENT:
# allow saving of newer PaymentInfo if it is a sending attempt
old_info = dataclasses.replace(old_info, creation_ts=info.creation_ts)
if info.direction == SENT and old_info.status in (PR_UNPAID, PR_FAILED):
# allow saving of newer PaymentInfo if it is a sending attempt and the previous
# payment failed or was not yet attempted
old_info = dataclasses.replace(
old_info,
creation_ts=info.creation_ts,
status=info.status,
amount_msat=info.amount_msat, # might retrying to pay 0 amount invoice
)
if info != dataclasses.replace(old_info, status=info.status):
# differs more than in status. let's fail
raise Exception(f"payment_hash already in use: {info=} != {old_info=}")