WIP 🚧: Allow treasury to spend foreign assets (conversion via XcmWeightTrader)

[pLabarta]

What does it do?

What important points should reviewers know?

Is there something left for follow-up PRs?

What alternative implementations were considered?

Are there relevant PRs or issues in other repositories (Substrate, Polkadot, Frontier, Cumulus)?

What value does it bring to the blockchain users?

[github-actions]

WASM runtime size check:

Compared to target branch

Moonbase runtime: 2432 KB (+12 KB) 🚨

Moonbeam runtime: 2408 KB (no changes) 🚨

Moonriver runtime: 2420 KB (+8 KB) 🚨

Compared to latest release (runtime-3501)

Moonbase runtime: 2432 KB (+480 KB compared to latest release) 🚨

Moonbeam runtime: 2408 KB (+468 KB compared to latest release) 🚨

Moonriver runtime: 2420 KB (+480 KB compared to latest release) 🚨

[github-actions]

Coverage Report

@@                               Coverage Diff                                @@
##           master   pablo/multi-asset-treasury/via-weight-trader      +/-   ##
================================================================================
- Coverage   74.51%                                         74.47%   -0.04%     
  Files         381                                            381              
+ Lines       96551                                          96646      +95     
================================================================================
+ Hits        71937                                          71972      +35     
+ Misses      24614                                          24674      +60     

Files Changed	Coverage
/node/service/src/lib.rs	62.28% (+0.24%)	🔼
/pallets/xcm-weight-trader/src/lib.rs	85.32% (-3.57%)	🔽
/pallets/xcm-weight-trader/src/mock.rs	68.66% (-14.98%)	🔽
/runtime/moonbase/src/lib.rs	50.17% (-0.17%)	🔽
/runtime/moonbase/tests/xcm_mock/parachain.rs	58.56% (-2.51%)	🔽
/runtime/moonbeam/src/lib.rs	44.35% (-0.08%)	🔽
/runtime/moonbeam/tests/xcm_mock/parachain.rs	58.56% (-2.51%)	🔽
/runtime/moonriver/src/lib.rs	44.57% (-0.08%)	🔽
/runtime/moonriver/tests/xcm_mock/parachain.rs	59.25% (-2.54%)	🔽

Coverage generated Tue Mar 4 17:34:18 UTC 2025