* authority add runtime-benchmarks

* make-orml-oracle-instantiable

make sure all Trait have I parameter

fix rpc

create macro for AggregatedDataProviderImpl

undo change

undo change

add todo

change name trait name from DataProviderExtended to DataFeeder

implement DataProviderExtended for macro create_median_value_data_provider

fix comments

Update oracle/src/default_combine_data.rs

Co-authored-by: Shaopeng Wang <spxwang@gmail.com>

Update oracle/src/lib.rs

Co-authored-by: Shaopeng Wang <spxwang@gmail.com>

Update traits/src/lib.rs

Co-authored-by: Shaopeng Wang <spxwang@gmail.com>

keep this blank line

filter out None value here to reduce a traverse in retain, define a generic find_median fn to DRY

* fix dep version

* add comments to prove won't panic by using indexing []

* test write

* Fix oracle mocks.

* Rework median value provider and some traits.

* fmt

* Use sp_std Vec.

* Update oracle rpc.

* Fix typo.

Co-authored-by: zjb0807 <zjb0807@qq.com>
Co-authored-by: Bryan Chen <xlchen1291@gmail.com>
Co-authored-by: Shaopeng Wang <spxwang@gmail.com>