Why Your Indexer Tests Are Failing (And How to Fix Them)Blockchain indexers are the unsung heroes of Web3 infrastructure. They silently process millions of events, transform on-chain data into queryable formats, and power everything from analytics dashboards to NFT marketplaces. But here's the dirty secret: most indexers are flying blind with minimal—or worse, outdated—test coverage. If you're building an indexer, you're not just writing code. You're building a mission-cri...