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[Fix] Weight calculations for Wild -> affects teleports #1639

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Sep 19, 2022
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[Fix] Weight calculations for Wild -> affects teleports #1639

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5ebdb90
[Fix] Weight calculations for Wild -> affects teleports
ruseinov Sep 19, 2022
77d33b1
introduce a separate asset limit for teleports
ruseinov Sep 19, 2022
4901fe3
fix deposit
ruseinov Sep 19, 2022
81ea3be
reshuffle abstractions
ruseinov Sep 19, 2022
9efa822
fix imports
ruseinov Sep 19, 2022
9258f4e
little refactoring
ruseinov Sep 19, 2022
2d60b9f
Update parachains/common/src/xcm_config.rs
ruseinov Sep 19, 2022
4b1583a
add comments
ruseinov Sep 19, 2022
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7 changes: 3 additions & 4 deletions parachains/runtimes/assets/statemine/src/weights/xcm/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -31,13 +31,12 @@ trait WeighMultiAssets {
fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight;
}

const MAX_ASSETS: u32 = 100;
const MAX_ASSETS: u32 = 1;
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Could we say that this is now TELEPORT_MAX_ASSETS ?

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Nope, because it also does deposits! I will add a comment instead

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This looks incorrect: both DepositAsset and InitiateTeleport uses this value, and if they ever use Wild(All) as their MultiAssetFilter, the weights given here will be incorrect, as it assumes that the code only interacts with a maximum of 1 asset.


impl WeighMultiAssets for MultiAssetFilter {
fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight {
let weight = match self {
Self::Definite(assets) =>
weight.saturating_mul(assets.inner().into_iter().count() as u64),
Self::Definite(assets) => weight.saturating_mul(assets.len() as u64),
Self::Wild(_) => weight.saturating_mul(MAX_ASSETS as u64),
};
weight.ref_time()
Expand All @@ -46,7 +45,7 @@ impl WeighMultiAssets for MultiAssetFilter {

impl WeighMultiAssets for MultiAssets {
fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight {
weight.saturating_mul(self.inner().into_iter().count() as u64).ref_time()
weight.saturating_mul(self.len() as u64).ref_time()
}
}

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7 changes: 3 additions & 4 deletions parachains/runtimes/assets/statemint/src/weights/xcm/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -31,13 +31,12 @@ trait WeighMultiAssets {
fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight;
}

const MAX_ASSETS: u32 = 100;
const MAX_ASSETS: u32 = 1;

impl WeighMultiAssets for MultiAssetFilter {
fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight {
let weight = match self {
Self::Definite(assets) =>
weight.saturating_mul(assets.inner().into_iter().count() as u64),
Self::Definite(assets) => weight.saturating_mul(assets.len() as u64),
Self::Wild(_) => weight.saturating_mul(MAX_ASSETS as u64),
};
weight.ref_time()
Expand All @@ -46,7 +45,7 @@ impl WeighMultiAssets for MultiAssetFilter {

impl WeighMultiAssets for MultiAssets {
fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight {
weight.saturating_mul(self.inner().into_iter().count() as u64).ref_time()
weight.saturating_mul(self.len() as u64).ref_time()
}
}

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7 changes: 3 additions & 4 deletions parachains/runtimes/assets/westmint/src/weights/xcm/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -31,13 +31,12 @@ trait WeighMultiAssets {
fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight;
}

const MAX_ASSETS: u32 = 100;
const MAX_ASSETS: u32 = 1;

impl WeighMultiAssets for MultiAssetFilter {
fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight {
let weight = match self {
Self::Definite(assets) =>
weight.saturating_mul(assets.inner().into_iter().count() as u64),
Self::Definite(assets) => weight.saturating_mul(assets.len() as u64),
Self::Wild(_) => weight.saturating_mul(MAX_ASSETS as u64),
};
weight.ref_time()
Expand All @@ -46,7 +45,7 @@ impl WeighMultiAssets for MultiAssetFilter {

impl WeighMultiAssets for MultiAssets {
fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight {
weight.saturating_mul(self.inner().into_iter().count() as u64).ref_time()
weight.saturating_mul(self.len() as u64).ref_time()
}
}

Expand Down