light client: Address panic in response to empty signed header (backport #577) #699
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Closes #575. This at least addresses the panic in the light client, instead turning it into a temporary error (i.e. that the node does not yet have the signed header for the requisite height, which is true here). I've tested this patch on the `v0.34.x` branch and it prevents the panic, but instead causes the E2E tests to hang indefinitely. As such, I've logged #576. The code change is identical across `main`, `v0.37.x` and `v0.34.x`, so backports should be clean. I'll add changelog entries on the backport branches prior to merging them. --- #### PR checklist - [ ] Tests written/updated - [ ] Changelog entry added in `.changelog` (we use [unclog](https://github.com/informalsystems/unclog) to manage our changelog) - [ ] Updated relevant documentation (`docs/` or `spec/`) and code comments (cherry picked from commit ea2020f)
Signed-off-by: Thane Thomson <connect@thanethomson.com>
thanethomson
approved these changes
Apr 12, 2023
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