If I'd known how large this patch would be (though trivial), I'd have done it in parts. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
It's not currently encrypted, but at least you get some idea now why an HTLC failed. We (ab)use HTTP error codes for the moment. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>