Fix edge case where state sync is not triggered #5635
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Pure refactoring, zero logical changes.
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There is an edge case where the finalized block notification is received, but the conditions required to initiate the state sync are not fully met. In such cases, state sync would fail to start as expected and remain stalled. This fixes it by storing the pending attempt and trying to start it later.
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dmitry-markin
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Co-authored-by: Dmitry Markin <[email protected]>
bkchr
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@bkchr Please click the button again, fmt wasn't good in the applied suggestion :( |
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This PR addresses an issue where state sync may fail to start if the conditions required for its initiation are not met when a finalized block notification is received. `pending_state_sync_attempt` is introduced to trigger the state sync later when the conditions are satisfied. This issue was spotted when I worked on paritytech#5406, specifically, `queue_blocks` was not empty when the finalized block notification was received, and then the state sync was stalled. cc @dmitry-markin --------- Co-authored-by: Dmitry Markin <[email protected]> Co-authored-by: Bastian Köcher <[email protected]> (cherry picked from commit 8236718)
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This PR addresses an issue where state sync may fail to start if the conditions required for its initiation are not met when a finalized block notification is received.
pending_state_sync_attemptis introduced to trigger the state sync later when the conditions are satisfied.This issue was spotted when I worked on #5406, specifically,
queue_blockswas not empty when the finalized block notification was received, and then the state sync was stalled. cc @dmitry-markin