* Implement ResultQuery

* Fix test expectations

* Add more tests

* Fix test expectations

* Clean up some names

* Silence warnings

* Specify error type when supplying error type to ResultQuery

* cargo fmt

* Add support for type parameters in parameter_types macro

* Reduce deeply indented code

* Fixes

* Update test expectation

* Rewrite and document formula for calculating max storage size

* More docs

* cargo fmt

* formatting

Co-authored-by: parity-processbot <>