* add nft module

* Cargo.dev.toml add nft

* add destroy_class

* add destroy_class comment

* update substrate 2.0; fix clippy

* fix ci

* fix ci

* code optimizations

* fix db transaction

* rename nft

* fix issues per review

* update

* add weightInfo

* fix clippy

* Fix runtime_benchmarks_instance macro.

Co-authored-by: zjb0807 <zjb0807@qq.com>

* test

* pin integer-sqrt version

* add currencyAdapter

* adjust imblances

* add unit test

* Refactor oracle feed_values with to signed tx

* remove nonce, block and signature

* 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>

* change AtLeast32Bit to AtLeast32BitUnsigned for Balance in MultiCurrency

this change same to rc4->rc5 Balance in Currency in Substrate

* replace other modules

* format code

* Update dependencies to rc6.

* Update benchmarking.