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[Feature Request] mutually funded channels implementation #3673

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Description

@brain-zhang

Background

It seems now the Lightning implementations do not allow for mutually funded channels; its not bidirectional by default.

I created a channel and i don't have any inbound capacity on that very channel. Then I send some bitcoin to the other side, Can i receive the money back by the same channel without gererating an invoice?

After reading through this whole issues management, but i found nothing about this thread; Of sure, I'll check the docs too; If I missed something, thanks for pointing me that.

Activity

  1. changed the title [-][Feature Request][/-] [+][Feature Request] mutually funded channels implementation[/+] on Nov 4, 2019
  2. molxyz commented on Nov 4, 2019

    @molxyz

    @brain-zhang

    I created a channel and i don't have any inbound capacity on that very channel. Then I send some bitcoin to the other side, Can i receive the money back by the same channel without gererating an invoice?

    No. There's WIP for key send txs, look at PR #2455 but this is not in the current implementation.

  3. carlaKC commented on Nov 4, 2019

    @carlaKC
    Collaborator

    The title and body on this feature request seem unrealated to me? There are two issues here:

    1. Title - Mutually funded channels: assuming this means the ability for both parties to contribute funds to a channel on creation. This is generally referred to as dual funded channels, and there is a PR open to the BOLTS here.
    2. Body - invoiceless sends: The ability to send to a node without an invoice, which currently has a WIP PR out as @molxyz points out

    Which one of these are you after?

  4. brain-zhang commented on Nov 4, 2019

    @brain-zhang
    Author

    Dear @molxyz and @carlaKC , Thank you for your guidance; I think WIP is the extremeccly feature what i want;

    Sorry for I'd never noticed it before; and then i'll identified as Duplicate of #2455

  5. brain-zhang commented on Nov 4, 2019

    @brain-zhang
    Author

    Duplicate of #2455

  6. Roasbeef commented on Nov 6, 2019

    @Roasbeef
    Member

    I created a channel and i don't have any inbound capacity on that very channel.

    @brain-zhang, you can use Loop to resolve this.

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