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Add support for LightClientFinalityUpdate #378

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srdtrk opened this issue Mar 9, 2025 · 0 comments · Fixed by #394
Closed
4 tasks

Add support for LightClientFinalityUpdate #378

srdtrk opened this issue Mar 9, 2025 · 0 comments · Fixed by #394
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ethereum-light-client Issues related to the 08-wasm ethereum light client type: feature Feature request

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@srdtrk
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srdtrk commented Mar 9, 2025

Summary

Currently, our light client only supports LightClientUpdate. This type of update can currently only be used to update the next sync committee when moving in-between sync committee periods. We should also add support for LightClientFinalityUpdate for finality updates within the same sync committee period.

Problem Definition

Although LightClientUpdate could also be used update the finalized header within the same sync committee period, the ethereum full node's beacon api only returns the earliest such update. This essentially makes these updates unusable when updating the finalized header within the same sync committee period. For this, we can use LightClientFinalityUpdate, since there is an api's to receive the latest such update.

Use cases

We need this to have the light client be usable in testnet and mainnet.


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@srdtrk srdtrk added ethereum-light-client Issues related to the 08-wasm ethereum light client type: feature Feature request labels Mar 9, 2025
@github-project-automation github-project-automation bot moved this to Backlog in IBC Mar 10, 2025
@srdtrk srdtrk linked a pull request Mar 13, 2025 that will close this issue
6 tasks
@srdtrk srdtrk moved this from Backlog to In progress in IBC Mar 13, 2025
@srdtrk srdtrk moved this from In progress to In review in IBC Mar 13, 2025
@github-project-automation github-project-automation bot moved this from In review to Done in IBC Mar 13, 2025
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Labels
ethereum-light-client Issues related to the 08-wasm ethereum light client type: feature Feature request
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