onion routing is bolt 4..
but nice try trying to thing only channel stuff exist
and again when eric sends his payment_hash to alice. who passes it to bob, carol, diana.
if those people actually put it into a blockchain transaction template. and signed it.
thats 4 people wanting to pay to erics key. (which he knows the secret of
the HTLC in a commitment are the pubkeys of the channel partners. not the key of someone multiple hops away