[1015] Implement Distributed Locking for Indexer and Replay Jobs - #1054
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Persist ledger and event cursor checkpoints transactionally, verify checksum integrity on resume, and deduplicate processed events to support safe crash recovery without duplicate execution. Co-authored-by: Cursor <cursoragent@cursor.com>
Extend claims event listener polling with per-stream Redis/in-memory locks so horizontally scaled instances do not duplicate Soroban event processing. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
DistributedLockServicewith in-memory fallback, lease renewal, and ownership-aware release.Distributed locking strategy
indexer:stream:{streamId}andindexer:stream:claims:{contractId}.SET NX PXsemantics with automatic lease renewal.Merge note
Depends on #1013 being merged first. Rebase onto
mainafter #1013 lands to minimize diff noise.Closes #1015
Made with Cursor