Offers: send payment #90
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orbitalturtle
commented
Jan 23, 2024
tests/integration_tests.rs
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| lnd.connect_to_peer(pubkey, addr).await; | ||
| lnd.connect_to_peer(pubkey_2, addr_2).await; | ||
| let lnd_info = lnd.get_info().await; | ||
| let lnd_pubkey = PublicKey::from_str(&lnd_info.identity_pubkey).unwrap(); |
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So... before LDK 20 this integration test worked ok without channels set up. But now, it doesn't. IIUC LDK 20 requires a node to be in the network graph so it can find a way to forward a message, meaning channels need to be set up rather than just connections to peers. Planning to look into this further and ask the LDK team about it.
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Fixed this with a small PR to rust-lightning to export a lower level version of "send_onion_message" in ldk-sample so we can set the path directly (like we did before) and get around the channels-required issue. lightningdevkit/rust-lightning#2868
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carlaKC
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carlaKC
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carlaKC
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| ldk1.stop().await; | ||
| ldk2.stop().await; | ||
| } | ||
| } |
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Can we also look up the payment in LND and assert that it was successfully paid?
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At the end of pay_offer we wait for trackpayment to return success so not sure we need to? But you know the lnd api better than me, would it be worth to use listpayments and double confirm that the payment succeeded?
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We use a custom version of tonic_lnd that has the blinded route support in the QueryRoute and SendToRoute commands, which won't officially be released in lnd until v18.
We update to ldk v20 for the latest blinded route updates, namely being able to create a blinded route that's more than one hop. On top of that we use a custom versoin with a small change, which we need in order to send an onion message along a specified path for LNDK's integration tests: lightningdevkit/rust-lightning#2868
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carlaKC
approved these changes
Mar 8, 2024
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Finishes the BOLT 12 offer flow by sending the payment. Depends on #89