A long delay in ibc acknowledgements can result in redelegation record GC race condition #1140
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Feb 13, 2024
…record was garbage collected (#1141) * fix #1140; recreate redelegation record if long delays mean original record was garbage collected * add test for redelegation record creation --------- Co-authored-by: Jacob Gadikian <[email protected]>
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Problem:
Redelegation records are garbage collected if they are not acknowledged and the time that elapsed since the record was created is greater than the unbonding period. However, if acknowledgements have stalled (e.g. behind another bug) this can lead to the redelegation record being deleted and then successfully acknowledged.
Solution:
In this event, we have enough info to recreate the redelegation record from the contents of the acknowledged message, so it does not make sense in this case to error, but rather we should recreate the record and persist it.
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