Make the chain indexer#66
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- Initialized `packages/contracts` with Membership ABI.
- Initialized `apps/access-api` with Prisma schema for events and memberships.
- Implemented `MembershipIndexer` with:
- Lagged finality window (configurable confirmation depth).
- Reorg detection via block hash verification.
- Automatic state rollback and reconciliation.
- Idempotent log processing with re-processing of reverted events.
- Implemented `MembershipService` to handle transactional updates and reverts.
- Updated `.env.example` with indexer configurations.
- Added tests for indexer initialization and reorg logic.
Co-authored-by: clintjeff2 <119521983+clintjeff2@users.noreply.github.com>
…2410485 Make the chain indexer reorg-safe
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Description
This PR implements a production-ready, reorg-safe blockchain indexer for membership events. It ensures data consistency and resiliency against chain rollbacks while decoupling core indexing logic from application-specific business actions.
Linked Issue
Closes #52
Type of Change
Changes Made
INDEXER_CONFIRMATION_DEPTH). If a chain mismatch is detected, the indexer rolls back both its checkpoint and the application-state memberships to a known safe block.reverted.MembershipServiceto handle application-specific side effects, fully supporting bothapplyandrevertoperations.apps/access-apiworkspace andpackages/contractspackage to facilitate clean ABI sharing across the project.Checklist
npm run typecheckpasses with no errorsnpm run lintpasses (or issues are pre-existing and documented).env.example