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0 sats \ 2 replies \ @anon 19 Feb \ on: LSP Inbound channels fees lightning
What about routing fees of those providers when a payment comes towards your node through them? To actually use the inbound liquidity you bought and to receive sats you would have to pay any routing fees imposed by those providers.
So, it makes sense, since you already paid, to have the routing fees at 0. I think LNBig does that. Do all of the others as well? If not, then the routing fees for receiving all those 1M sats have to be added to the cost.
Yes that is a good point too, but wasn't the object of this short investigation. Also as a receiver, you are not paying the fees, on LN always the payer is paying the fees.
I use most of them but didn't test all the path fees. Most of them they say that apply 0 fees as LSPs, but you have to check that by sending to yourself from another LN node, where you can see the exact path taken by the payment and the fees applied for each hop, up until the last hop - your LSP..
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generally the idea is that LSP commits to the fee structure at the time of the purchase (lets say i'll keep the fees at 100ppm for the duration of 1y). None of it is really enforcable so its more of a promise and reputation of the lsp to keep it.
In reality you want the LSP to be making money from your channel as that incentivizes it to keep it open forever. Of course how much and how is up to the market to figure out - maybe you prefer to pay a larger sum upfront for the opening and have zero outbound fees for the duration of the contract, or maybe you prefer to pay a fee every time you use the channel but have cheaper upfront payment (mostly to onchain fees otherwise the lsp is exposed to an attack vector)
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