* Tests for fixed array of struct type.
* Add tests for maps with struct type value and double nested maps.
Co-authored-by: nikugogoi <95nikass@gmail.com>
* Add tests for structs with fixed array and string type
members.
* Refactor functions in solidity-mapper storage.
* Add tests for getting array and string type member value in struct.
Co-authored-by: nikugogoi <95nikass@gmail.com>