Refactor rpc for easier reuse

[iuwqyir]

TL;DR

Refactored RPC to wrap the needed rpc calls and return already serialized data. This way we don't have to repeat the request creation and response handling whenever we need it. We have fixed queries so maintaining wrappers doesn't seem like a problem

What changed?

• Moved RPC-related functionality from common package to a new rpc package
• Created a new Client struct in the rpc package to handle RPC operations
• Refactored worker logic to use the new RPC client
• Updated orchestrator components to use the new RPC client
• Added utility functions for handling big.Int slices and RPC configurations

How to test?

1. Run the indexer with the updated code
2. Verify that block fetching, log retrieval, and trace processing work as expected
3. Check that batch processing is functioning correctly by monitoring RPC calls
4. Ensure that the orchestrator components (poller, committer, failure recoverer) are operating properly with the new RPC client

Why make this change?

This refactoring improves the overall structure and performance of the indexer:

1. Better separation of concerns by moving RPC-related code to its own package
2. Improved maintainability and readability of the codebase
3. Easier extension and modification of RPC-related functionality in the future

[iuwqyir]

• Test setup and reorg handling tests #95
• Refactor RPC client to use interface #94
• Add reorg handler functionality and configuration options #91
• Create storage functions for handling reorgs #90
• Refactor data insertion logic  #89
• Refactor rpc for easier reuse #88 👈
• main

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[iuwqyir]

Merge activity

• Oct 10, 10:01 AM EDT: A user started a stack merge that includes this pull request via Graphite.
• Oct 10, 10:01 AM EDT: A user merged this pull request with Graphite.