lightningnetwork / lnd / 12879602034

Pull #9430

github

lnwallet: add new NoopAdd payDesc entry type

In this commit, we add a new NoopAdd payDesc entry type. This type is
meant to be used primarily by taproot overlay channels. When we go to
settle this HTLC, rather than credit the settler for the funds, we just
give the funds back to the sender. This results in an add that when
settled, doesn't affect the balance in the channel.

This new HTLC type is intended to be used alongside a push amt, to
ensure the remote party has a non-dust balance from the start. With that
in place, then this new add type can be used for special overlay HTLCs.

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