Hi Eugene,
> Since the remote party gives them a signature, after the timeout, the
offering party can
claim with the remote's signature + preimage, but can only spend with the
HTLC-timeout transaction because of SIGHASH_ALL.
I've not exercised the witness against our test framework though the
I'm not sure if this is known, but I'm pretty sure it's benign and so I
thought I'd share since I found it interesting and maybe someone else will
too. I'm not sure if this is already known either.
https://github.com/lightning/bolts/blob/master/03-transactions.md#offered-htlc-outputs
Offered
