Hello,
I found a way for one client to initiate a payment from the other by using
spontaneous keysend payments:
1. Payee sends keysend payment of negligible amount (1 sat?)
2. Payer accepts keysend and verifies that it comes from a trusted node
3. Payer makes a keysend payment of required amount back to Payee
4. Payee accepts payment
Step two should probably be implemented by a custom plugin that checks incoming
keysend messages and pays valid ones back.
The flow above is basically uses keysend to send an invoice to Payer to be
paid. I wonder if there's an other way to send an invoice through LN by Payer's
node public key?
Cheers,
Eugene
‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Friday, 15 May 2020 01:13, Eugene via Lightning-dev
<[email protected]> wrote:
> Hello, list,
>
> I haven't closely following the Lightning Network's state of affairs since
> late 2018 and I wondering, is it possible to support the following use-case
> with LN:
>
> 1. A user subscribes to the service by opening a channel with it
> 2. User sets his LN node to "trust" invoices that come from said service
> 3. On subscription renewal, service sends an invoice to the client's LN node
> 4. Since the client's node is "trusting" service's node, it pays invoice
> straight away
>
> User, of course, may cancel the subscription at any time by removing
> service's LN node public key from the list of "trusted". Or the user can set
> a limit on the amount and the frequency of payments that would be accepted
> from the trusted node.
>
> For that matter, the questions are:
>
> 1. Is it possible to send invoices just by LN means? (Should we use TLVs?)
> 2. Is it possible to enable automatic machine-to-machine payments? As in the
> example above, by accepting invoices from "trusted" nodes.
>
> Best regards,
> Eugene
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