🔷 [Epic] QueryAPI Local Development

[pkudinov]

Description

Implement a fully local unit-test driven indexer development with fast tests and easy debugging of production issues.

Success Criteria

Developers should be able to write indexers locally, create unit tests that run in seconds and be able to quickly reproduce failures in production by providing indexer name and block height.

Child Issues

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1. Create an InMemoryDmlHandler and IDmlHandler #791
   component: Runner +1
   
2. Fetch Database Connection Parameters in Stream Handler #896
   component: Runner +1
   
3. Execute indexer with in-memory DmlHandler programmatically #884
   component: Runner +1
   
4. Refactor Context.Db Building to Separate Class #909
   component: Runner +1
   
5. Refactor DDL Parsing to Separate Class #785
   component: Frontend component: Runner +2
   
6. Implement a unit test for bitmap core indexer #883
   component: Runner +1
   
7. Publish Testing Framework library to public NPM #882
   +0
8. Create a tutorial in docs for unit testing indexers locally #917
   documentation +1