feat!: XCM Weight Trader

[apopiak]

Description

The weight trader uses pallet-transaction-multi-payment to determine whether the payment asset has a local price (and can be used for fee payment).
It then uses WeightToFee in combination with that price to calculate the fee to charge for the weight.
The trader tracks assets used for payment and uses them naively (i.e. one by one) to refund weight.

Related

closes #373

based on galacticcouncil/warehouse#48

Motivation and Context

Basilisk currently does not charge for XCM execution which makes it open for exploitation.

How Has This Been Tested?

• Unit tests in feat: Add custom XCM Weight Trader warehouse#48
• Adjusted integration tests to make sure that the treasury receives fees on XCM transfer.

Checklist:

• I have updated the documentation if necessary.
• I have added tests to cover my changes, regression test if fixing an issue.
• This is a breaking change.

[github-actions]

Crate versions that have been updated:

• runtime-integration-tests: v0.3.1 -> v0.3.2
• basilisk-runtime: v53.0.0 -> v54.0.0
• testing-basilisk-runtime: v53.0.0 -> v54.0.0

Runtime version has been increased.

[apopiak]

Todos / Open issues

• This should be in the warehouse so it can be used by the HydraDx runtime.
  • move PriceOracle trait
  • move MultiCurrencyTrader
• Should this be using the regular WeightToFee from the runtime or something that makes for cheaper execution (@lumir-mrkva 's suggestion)?
• bump spec_version

[apopiak]

Should this be using the regular WeightToFee from the runtime or something that makes for cheaper execution (@lumir-mrkva 's suggestion)?

It will use regular WeightToFee for now. We can optimize fees later if it's necessary.

[codecov]

Codecov Report

Merging #443 (7eac58a) into master (e4491ab) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #443   +/-   ##
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  Coverage   83.44%   83.44%           
=======================================
  Files          24       24           
  Lines        2935     2935           
=======================================
  Hits         2449     2449           
  Misses        486      486           

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[mrq1911]

Task linked: CU-2kpe1ch Implement Weight Trader

[apopiak]

requires #493 (and includes its changes)