* Use polkadot-0.9.1 branch.

* Comment out xcm related crate.

* no longer need to pin funty

* pin xcm-simulator version

* Update patches.

* Update dependencies.

* Bump dependencies.

* Dependencies: use rococo-v1 branch.

* xtokens and xcm-support module.

* Fix clippy.

* Xcm execution in xtokens.

* Remove unused imports.

* Remove parent from sibling parachains multi location.

* TTransfer to parachain should be transactional.

* TODO: revert state on xcm execution failure.

* Update sibling parachain location.

* Bump dependencies.

* Update multilocation representation in xtoken.

* fix clippy

* remove sp-io

* fix check

* Bump dependencies.

* Fix benchmarking logs.

* Dependencies.

* Bump xtokens and xcm-support version.

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

* update gh action

* update

* update

* workaround build issue

* update

* 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>

* Update dependencies to rc6.

* Update benchmarking.

* update for rc5

* update for rc5

* remove system

* fix format

* fix format

* Update lib.rs

fix format build failed

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

* remove LinkedMap and FixedU128 implemention

* bump version

* remove ExistentialDeposit

* switch subsrate dependencies to crates.io

* oracle get_all_values rpc method

* update import

* Upgrade substrate to alpha 5.

* Upgrade serde & codec.