* Implement getSlice API for state nodes
* Implement getSlice API for storage nodes
* Fix the helper function to create a slice of required paths
* Fix query to get state leaf key for given storage root
* Add a test to get state slice for root path
* Add checks in queries to get canonical data
* Add tests to get state slice
* Add a todo for using an iterator
* Avoid filtering out removed nodes
* Add tests to get storage slice
* Remove logs
* Populate extra contract leaves field in the response
* Update tests
* Avoid EOAs in additional data in response
* Use iterator based approach for getSlice
* Skip undesired nodes from stem and head iterators
* Update storage slice tests
* Fix meta data updates
* Use state trie to get stem nodes directly using paths
* Bugfix - Continue processing other trie nodes on encountering a leaf
* Remove unnecessary TODO
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