feat(indexer): generalized event indexer, historical backfill, lag alerting - #585
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Akatenvictor merged 1 commit intoSep 1, 2026
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…, lag alerting - SorobanEventReader: getEvents poller (cursor + range modes) with injected server - eventDecoders: per-contract decoders (nft, artist, catalog, royalty, marketplace) - IndexerWorker: concurrently polls all 5 contracts, persists cursors, reorg guard (closes AudioBitsStellar#233, AudioBitsStellar#234) - BackfillService + CLI: idempotent, resumable historical backfill (closes AudioBitsStellar#235) - lag monitor loop + Prometheus HighIndexerLag/CriticalIndexerLag alerts w/ runbook (closes AudioBitsStellar#240) - new npm scripts worker:indexer and cli; env vars + docs
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Closes #233, Closes #234, Closes #235, Closes #240
Summary
getEventspoller for the NFT contract (SorobanEventReader)IndexerWorker), persisting cursors + reorg guardnpm run cli -- backfill:run/status), idempotent + resumableHighIndexerLag/CriticalIndexerLag) with runbook linkWhat changed
src/services/Soroban/SorobanEventReader.ts—getEventswrapper (cursor + range modes),getLatestLedger, injected RPC server for testabilitysrc/services/Soroban/eventDecoders.ts— per-contract decoders producingInsertIndexedEventDTOsrc/services/Soroban/IndexerContractRegistry.ts— builds the 5 indexer contracts from config + decoderssrc/workers/indexer/IndexerWorker.ts+index.ts— concurrent poller,npm run worker:indexersrc/services/Soroban/BackfillService.ts+src/scripts/backfill.ts— historical backfillmonitoring/prometheus-alerts.yml— lag alert rules (wired viarule_files)IndexerService.getBackfillStatus()Verification
npm run lintandnpm run format:checkpass