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Combine RemoveParaIdsWithNoCredit and CollatorAssignmentHook #692

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Combine RemoveParaIdsWithNoCredit and CollatorAssignmentHook #692

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ParthDesai
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@ParthDesai ParthDesai commented Sep 25, 2024 •
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Description

Combine RemoveParaIdsWithNoCredit and CollatorAssignmentHook in one trait with two methods.

Both method executes same logic. Only difference being pre_assignment_* method always rollback while post_assignment_* only rollback in case it errors out.

Note

Naming and tests are still remaining. Just want to get some early feedback on overall design.

@ParthDesai ParthDesai force-pushed the combine-remove-paraids-and-collator-assignment-hook branch from 611e197 to ac88d40 Compare September 25, 2024 08:53
@ParthDesai ParthDesai changed the title [WIP] Combine RemoveParaIdsWithNoCredit and CollatorAssignmentHook Combine RemoveParaIdsWithNoCredit and CollatorAssignmentHook Sep 25, 2024
@ParthDesai ParthDesai force-pushed the combine-remove-paraids-and-collator-assignment-hook branch from ac88d40 to b01541a Compare September 25, 2024 09:07
@ParthDesai ParthDesai changed the title Combine RemoveParaIdsWithNoCredit and CollatorAssignmentHook [WIP] Combine RemoveParaIdsWithNoCredit and CollatorAssignmentHook Sep 25, 2024
@ParthDesai ParthDesai force-pushed the combine-remove-paraids-and-collator-assignment-hook branch from b01541a to b655d6b Compare September 25, 2024 09:56
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github-actions bot commented Sep 25, 2024 •
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Coverage Report

(master)

@@                                   Coverage Diff                                   @@
##           master   combine-remove-paraids-and-collator-assignment-hook      +/-   ##
=======================================================================================
+ Coverage   65.47%                                                65.50%   +0.03%     
  Files         312                                                   312              
+ Lines       54503                                                 54665     +162     
=======================================================================================
+ Hits        35685                                                 35808     +123     
+ Misses      18818                                                 18857      +39
Files Changed Coverage
/pallets/collator-assignment/src/lib.rs 97.65% (+1.27%) ✅
/pallets/services-payment/src/lib.rs 89.94% (-0.33%) ❗
/primitives/traits/src/lib.rs 64.00% (-1.57%) ❗
/runtime/dancebox/src/lib.rs 87.98% (+0.21%) ✅
/runtime/dancebox/src/weights/pallet_services_payment.rs 73.91% (-13.05%) ❗
/runtime/flashbox/src/lib.rs 46.80% (+2.79%) ✅
/runtime/flashbox/src/weights/pallet_services_payment.rs 13.04% (-13.05%) ❗
/solo-chains/runtime/dancelight/src/lib.rs 68.80% (+0.91%) ✅
/solo-chains/runtime/dancelight/src/weights/pallet_services_payment.rs 13.43% (-13.44%) ❗

Coverage generated Mon Nov 25 12:39:50 UTC 2024

@ParthDesai ParthDesai force-pushed the combine-remove-paraids-and-collator-assignment-hook branch 2 times, most recently from 916be99 to d0ad35f Compare September 30, 2024 14:46
girazoki
girazoki reviewed Oct 2, 2024
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runtime/dancebox/src/lib.rs
if collators.is_empty() {
return true;
}
with_storage_layer(|| {
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what is with_storage_layer¿?

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So, with_storage_layer is similar to with_transaction but it automatically commits the storage changes into parent overlay if the closure returns Ok and do the rollback otherwise.

Parity added this function since it is more convenient to use. (i.e you don't have to manually return Ok or Err for commit and rollback respectively.

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Are there any performance concerns when running that function inside a loop? I guess not?

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Fairly low cost. See here: paritytech/substrate#10809 (comment)

@ParthDesai ParthDesai force-pushed the combine-remove-paraids-and-collator-assignment-hook branch from d0ad35f to 7ccaa48 Compare October 3, 2024 07:45
tmpolaczyk
tmpolaczyk reviewed Oct 4, 2024
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runtime/dancebox/src/lib.rs Outdated
// This should take into account whether we tank goes below ED
// The true refers to keepAlive
Balances::can_withdraw(&pallet_services_payment::Pallet::<Runtime>::parachain_tank(*para_id), remaining_to_pay).into_result(true).is_ok()
fn post_assignment_remove_para_ids_with_no_credits(
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So can we remove this method? pre_assignment already uses with_transaction to remove para_ids that would have failed if Self::charge_para_ids_internal returns Err, so if I'm not wrong, calling post_assignment will never remove any additional para id?

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In perfect world yes. But, since we are changing state in between calling pre and post we need to run it again to eliminate even a tiniest possibility that some para_id escapes the restrictions.

@ParthDesai ParthDesai force-pushed the combine-remove-paraids-and-collator-assignment-hook branch from 7ccaa48 to b47f66e Compare November 21, 2024 10:56
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github-actions bot commented Nov 21, 2024 •
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WASM runtime size check:

Compared to target branch

dancebox runtime: 1416 KB (no changes) ✅

flashbox runtime: 828 KB (no changes) ✅

dancelight runtime: 2012 KB (no changes) ✅

container chain template simple runtime: 1088 KB (no changes) ✅

container chain template frontier runtime: 1388 KB (no changes) ✅

@ParthDesai ParthDesai added B7-runtimenoteworthy Changes should be noted in any runtime-upgrade release notes D5-nicetohaveaudit⚠️ PR contains trivial changes to logic that should be properly reviewed. not-breaking Does not need to be mentioned in breaking changes labels Nov 21, 2024
@ParthDesai ParthDesai marked this pull request as ready for review November 21, 2024 14:31
@ParthDesai ParthDesai changed the title [WIP] Combine RemoveParaIdsWithNoCredit and CollatorAssignmentHook Combine RemoveParaIdsWithNoCredit and CollatorAssignmentHook Nov 21, 2024
girazoki
girazoki approved these changes Nov 29, 2024
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I like better the way it looks now. I am still missing some doc on what each of the lines does. If we can fix that would be great

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@girazoki girazoki girazoki approved these changes

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