feat(chain-watcher): Add RPC health-check and connection management#55
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feat(chain-watcher): Add RPC health-check and connection management#55
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- Add RpcProvider class with periodic eth_blockNumber health checks - Add RpcHealthManager for automatic failover to secondary providers - Mark provider unhealthy after 3 consecutive failures or stale block - Expose health status via internal metrics - Add comprehensive unit tests (23 tests) Closes #16 Made-with: Cursor
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Summary
Implement health checking for RPC endpoints with periodic eth_blockNumber calls, stale detection, and automatic failover to secondary provider.
Changes
RpcProviderclass with health checking viaeth_blockNumbercalls every 10 secondsRpcHealthManagerfor managing multiple providers with automatic failovergetMetrics())RpcHealthStatus,RpcProviderConfig, andRpcHealthStateRPC_HEALTH_CHECKconstants for configurable intervals and thresholdsHow to Test
npm cinpm run typechecknpm test --workspace=@stripeonchain/chain-watcherTests
npm test)npm run lint)npm run typecheckfor chain-watcher)npm run format:check)Checklist
npm run migrate:up/npm run migrate:down)docker compose up)Related Issues
Closes #16
Made with Cursor