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tramp: account for retried payments #555

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merged 1 commit into from
Dec 19, 2024

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@JssDWt JssDWt commented Dec 19, 2024

Ensure trampoline payments follow the following behavior:

  • When a payment with the same payment hash had already completed, return a completed response.
  • When a payment with the same payment hash is pending, return an error (ideally it should wait for payment parts to return)
  • When a payment for the same payment hash is retried, bump the group id.

Fixes Error code 201: There already is a payment with payment_hash=xxxxx, groupid=1, partid=0. Either change the partid, or wait for the payment to complete and start a new group.

Also fixes potential accidental subsequent pays to the same payment hash.

@cdecker cdecker enabled auto-merge (rebase) December 19, 2024 17:04
auto-merge was automatically disabled December 19, 2024 17:27

Head branch was pushed to by a user without write access

@JssDWt JssDWt force-pushed the jssdwt-fix-group-id branch 3 times, most recently from 5fb5b22 to a0bdae7 Compare December 19, 2024 18:22
Ensure trampoline payments follow the following behavior:
- When a payment with the same payment hash had already completed,
  return a completed response.
- When a payment with the same payment hash is pending, return an error
  (ideally it should wait for payment parts to return)
- When a payment for the same payment hash is retried, bump the group
  id.
@cdecker cdecker force-pushed the jssdwt-fix-group-id branch from a0bdae7 to d97d12a Compare December 19, 2024 18:48
@cdecker cdecker enabled auto-merge (rebase) December 19, 2024 18:48
@cdecker cdecker merged commit f178d17 into Blockstream:main Dec 19, 2024
12 checks passed
@JssDWt JssDWt deleted the jssdwt-fix-group-id branch December 19, 2024 21:37
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2 participants