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Divide ref time XCM fees by four #2929

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merged 6 commits into from
Sep 4, 2024
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librelois
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@librelois librelois commented Sep 3, 2024

What does it do?

Since we have 4 times more cpu time per block, we need to divide as well the xcm fees constant that account for cpu time

What important points reviewers should 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?

@librelois librelois added B7-runtimenoteworthy Changes should be noted in any runtime-upgrade release notes D3-trivial PR contains trivial changes in a runtime directory that do not require an audit breaking Needs to be mentioned in breaking changes labels Sep 3, 2024
@librelois librelois changed the title Divide by 2 XCM fees Divide ref time XCM fees by two Sep 3, 2024
@librelois librelois changed the title Divide ref time XCM fees by two Divide ref time XCM fees by four Sep 3, 2024
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github-actions bot commented Sep 3, 2024

WASM runtime size check:

Compared to target branch

Moonbase runtime: 2180 KB (no changes) ✅

Moonbeam runtime: 2120 KB (no changes) ✅

Moonriver runtime: 2116 KB (no changes) ✅

Compared to latest release (runtime-3101)

Moonbase runtime: 2180 KB (+2180 KB compared to latest release) ⚠️

Moonbeam runtime: 2120 KB (+144 KB compared to latest release) ⚠️

Moonriver runtime: 2116 KB (+2116 KB compared to latest release) ⚠️

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github-actions bot commented Sep 3, 2024

Coverage Report

@@                      Coverage Diff                      @@
##           master   elois-divide-xcm-cost-by-2     +/-   ##
=============================================================
  Coverage   80.92%                       80.92%   0.00%     
  Files         286                          286             
+ Lines       81804                        81813      +9     
=============================================================
+ Hits        66196                        66205      +9     
  Misses      15608                        15608             
Files Changed Coverage

Coverage generated Tue Sep 3 20:35:22 UTC 2024

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pLabarta commented Sep 3, 2024

Changes to test/suites/dev/moonbase/test-fees/test-fee-multiplier-max.ts do not exactly match a /4 change in the constant but it may involve other fees. Seems an expected change to me, but needs review.

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@librelois librelois left a comment

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Tests changes LGTM

@noandrea noandrea merged commit c6a71e5 into master Sep 4, 2024
35 of 38 checks passed
@noandrea noandrea deleted the elois-divide-xcm-cost-by-2 branch September 4, 2024 13:47
noandrea pushed a commit that referenced this pull request Sep 5, 2024
* divide by 2 xcm fees

* divide by 4 xcm fees

* try to fix rust tests

* fix dev tests including the hardcoded constant

* fix remaining constant in xcm dev test

* update expected values to ~/4 the previous ones

---------

Co-authored-by: Pablo Labarta <pablitolabarta@gmail.com>
@noandrea noandrea mentioned this pull request Sep 5, 2024
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4 participants