Fix TODOs: Move chain objects to provider and memoize them

[rnkrtt]

Hey! PR resolves the TODO comments for memoizing chain-related objects by:

1. Implementing a ChainContext provider to efficiently manage and memoize chain objects.
2. Introducing custom hooks for seamless access to memoized chain data.
3. Ensuring backward compatibility with deprecation warnings for direct imports.
4. Resolving type declaration and dependency issues to enhance code stability.

All changes have been thoroughly tested to ensure functionality and performance improvements.

[vercel]

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