Currently we don't include the prospective funding fees in the anchor reserve checks. We should, in particular after #1099 the user can now determine the funding fee override freely.
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bump_channel_funding_feecan't bump asplice_in_with_allsplice without spending the anchor reserve #1168 as a duplicate of this issuetnull commentedon Oct 15, 2026
This is ofc also an issue for splices which spend the anchor reserve, see #1168.