[c-lightning] refunding the active channels in LN

Sarat G sarath.ginjupalli89 at gmail.com
Fri Dec 14 13:54:01 AEDT 2018

Hi  ZmnSCPxj,

Good Morning.

Completely agree with you on setting up multiple channels. But my scenario
is something similar to this.

I'm designing a game, where in which the playing nodes can join the table
at any moment and the table is maintained by a trusted node in the network.
During the game, there is series of rounds of betting during which the
playing nodes establishes the channels with the trusted node and make the
payments and when the game is done, the trusted node pays back the amount
to the playing node.

Here the relationship between the playing node and trusted node often one
time, unless the player chooses the same trusting node again. In these kind
of scenarios I have no choice in establishing the route of payment via
different lightning channels since the playing node doesn't aware of any
other neighbours to the trusted node.

In addition to this, say if node1 establishes the LN channel1 with node2
with a funding tx1, why doesn't node1 is prohibiting to establish the LN
channel2 with funding tx2 with node2. Is this limitation is something part
of the lightning spec or am I missing something here, please correct me.

Thank You.
Sarat G

On Thu, Dec 13, 2018 at 6:30 PM ZmnSCPxj <ZmnSCPxj at protonmail.com> wrote:

> Best is to just open a channel to a different node.
> By maintaining multiple channels, you can be forwarding node.
> Deleting lightning state is a bad idea.
> You should consider multiple channels, not focus on just one channel to
> the network.
> Regards,
> ZmnSCPxj
> Sent with ProtonMail <https://protonmail.com> Secure Email.
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Thursday, December 13, 2018 8:20 PM, Sarat G <
> sarath.ginjupalli89 at gmail.com> wrote:
> Hi  ZmnSCPxj,
> I encountered the issue mentioned here(
> https://github.com/ElementsProject/lightning/issues/1272). I understand
> the problem is relate to the channel capacity in my case.
> For that I'm trying to refund the channel with the higher amount and
> unfortunately it's not allowing me to refund the existing channel.
> I would like to know, what could be the work around in these kind
> scenarios, how can I increase the channel capacity in such cases?
> At this moment, I'm cleaning the peers and channels from the lightning
> sqlite3 database and restarting the lightningd, and then funding the
> channel with higher amounts inorder to make it work.
> Sorry for asking so many questions, your thoughts on this helpful to me.
> Regards,
> Sarat G
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