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Unified send doesn't support lnurl #870

Description

@benthecarman

We use ldk's LDKOnionMessageDNSSECHrnResolver to resolve HRNs which doesn't support lnurl.

Some options to fix this:

  • Replace LDKOnionMessageDNSSECHrnResolver with HttpResolver: simplest but loses privacy benefits
  • Update LDKOnionMessageDNSSECHrnResolver to optionally support lnurl through providing a http resolver
  • Update bitcoin-payment-instructions to support providing multiple resolvers.

Activity

  1. tnull commented on Apr 8, 2026

    @tnull
    Collaborator

    Note there will be quite a bit of resolution-related changes coming as part of #630.

    However, it seems to me that either one of these might be the way to go

    • Update LDKOnionMessageDNSSECHrnResolver to optionally support lnurl through providing a http resolver
    • Update bitcoin-payment-instructions to support providing multiple resolvers.

    We definitely shouldn't revert he BIP353 changes in favor of LNURL.

    Not sure if @TheBlueMatt has an opionion on the preferred approach?

  2. TheBlueMatt commented on May 1, 2026

    @TheBlueMatt
    Contributor

    Update LDKOnionMessageDNSSECHrnResolver to optionally support lnurl through providing a http resolver

    IMO we should do this, though I'm not sure that we want to just provide a full HTTP resolver vs just turn on an option that automatically falls back to it?

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