Trading Fees, LMP and much more

[Gauthamastro]

Issue ticket number and link

Closes https://github.com/Polkadex-Substrate/issue-tracker/issues/261

Checklist before requesting a review

• [ ] I have performed a self-review of my code.
• [ ] If it is a core feature, I have added thorough tests.
• [x] I removed all Clippy and Formatting Warnings.
• [x] I added required Copyrights.

[Gauthamastro]

@serhii-temchenko @pavankanteti

@zktony will be testing and implementing the unit tests, resolving comments on this PR.

[Gauthamastro]

resolves https://github.com/Polkadex-Substrate/issue-tracker/issues/268 and https://github.com/Polkadex-Substrate/issue-tracker/issues/267

[Gauthamastro]

@serhii-temchenko Liquidity mining is enabled in this release. It will be a seperate release. You can ignore that for now.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 44.90791% with 1017 lines in your changes are missing coverage. Please review.

Project coverage is 41.38%. Comparing base (ee7c18c) to head (039df27). Report is 1 commits behind head on Develop.

:exclamation: Current head 039df27 differs from pull request most recent head aabb855. Consider uploading reports for the commit aabb855 to get more accurate results

Files	Patch %	Lines
pallets/ocex/src/lib.rs	61.17%	238 Missing :warning:
pallets/ocex/src/validator.rs	25.87%	212 Missing :warning:
pallets/liquidity-mining/src/lib.rs	51.63%	148 Missing :warning:
pallets/ocex/src/lmp.rs	47.91%	100 Missing :warning:
pallets/ocex/rpc/src/lib.rs	0.00%	72 Missing :warning:
pallets/ocex/src/weights.rs	0.00%	61 Missing :warning:
pallets/liquidity-mining/src/callback.rs	50.56%	44 Missing :warning:
primitives/orderbook/src/types.rs	15.15%	28 Missing :warning:
pallets/ocex/src/benchmarking.rs	0.00%	18 Missing :warning:
pallets/thea-executor/src/weights.rs	0.00%	16 Missing :warning:
... and 14 more

Additional details and impacted files

@@             Coverage Diff             @@
##           Develop     #884      +/-   ##
===========================================
+ Coverage    39.39%   41.38%   +1.99%     
===========================================
  Files           63       67       +4     
  Lines         4094     5412    +1318     
===========================================
+ Hits          1613     2240     +627     
- Misses        2481     3172     +691     

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