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

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paritytech-processbot merged 8 commits into from
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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39 changes: 28 additions & 11 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 @@ -21,32 +21,49 @@ use crate::Runtime;
use frame_support::weights::Weight;
use pallet_xcm_benchmarks_fungible::WeightInfo as XcmFungibleWeight;
use pallet_xcm_benchmarks_generic::WeightInfo as XcmGeneric;
use sp_std::prelude::*;
use xcm::{
latest::{prelude::*, Weight as XCMWeight},
DoubleEncoded,
};

fn weigh_multi_assets_generic(
filter: &MultiAssetFilter,
weight: Weight,
max_assets: u32,
) -> XCMWeight {
let weight = match filter {
MultiAssetFilter::Definite(assets) => weight.saturating_mul(assets.len() as u64),
MultiAssetFilter::Wild(_) => weight.saturating_mul(max_assets as u64),
};
weight.ref_time()
}

trait WeighMultiAssets {
fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight;
}

const MAX_ASSETS: u32 = 100;
trait WeighMultiAssetsReserve {
fn weigh_multi_assets_reserve(&self, weight: Weight) -> XCMWeight;
}

const RESERVE_MAX_ASSETS: u32 = 100;
const MAX_ASSETS: u32 = 1;
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@gilescope gilescope Sep 19, 2022

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Could we say that this is now TELEPORT_MAX_ASSETS ?

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@ruseinov ruseinov Sep 19, 2022

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

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@KiChjang KiChjang Sep 19, 2022

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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::Wild(_) => weight.saturating_mul(MAX_ASSETS as u64),
};
weight.ref_time()
weigh_multi_assets_generic(self, weight, MAX_ASSETS)
}
}

impl WeighMultiAssetsReserve for MultiAssetFilter {
fn weigh_multi_assets_reserve(&self, weight: Weight) -> XCMWeight {
weigh_multi_assets_generic(self, weight, RESERVE_MAX_ASSETS)
}
}

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 Expand Up @@ -125,7 +142,7 @@ impl<Call> XcmWeightInfo<Call> for StatemineXcmWeight<Call> {
_dest: &MultiLocation,
_xcm: &Xcm<()>,
) -> XCMWeight {
assets.weigh_multi_assets(XcmFungibleWeight::<Runtime>::deposit_reserve_asset())
assets.weigh_multi_assets_reserve(XcmFungibleWeight::<Runtime>::deposit_reserve_asset())
}
fn exchange_asset(_give: &MultiAssetFilter, _receive: &MultiAssets) -> XCMWeight {
Weight::MAX.ref_time()
Expand All @@ -135,7 +152,7 @@ impl<Call> XcmWeightInfo<Call> for StatemineXcmWeight<Call> {
_reserve: &MultiLocation,
_xcm: &Xcm<()>,
) -> XCMWeight {
assets.weigh_multi_assets(XcmGeneric::<Runtime>::initiate_reserve_withdraw())
assets.weigh_multi_assets_reserve(XcmGeneric::<Runtime>::initiate_reserve_withdraw())
}
fn initiate_teleport(
assets: &MultiAssetFilter,
Expand Down
39 changes: 28 additions & 11 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 @@ -21,32 +21,49 @@ use crate::Runtime;
use frame_support::weights::Weight;
use pallet_xcm_benchmarks_fungible::WeightInfo as XcmFungibleWeight;
use pallet_xcm_benchmarks_generic::WeightInfo as XcmGeneric;
use sp_std::prelude::*;
use xcm::{
latest::{prelude::*, Weight as XCMWeight},
DoubleEncoded,
};

fn weigh_multi_assets_generic(
filter: &MultiAssetFilter,
weight: Weight,
max_assets: u32,
) -> XCMWeight {
let weight = match filter {
MultiAssetFilter::Definite(assets) => weight.saturating_mul(assets.len() as u64),
MultiAssetFilter::Wild(_) => weight.saturating_mul(max_assets as u64),
};
weight.ref_time()
}

trait WeighMultiAssets {
fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight;
}

const MAX_ASSETS: u32 = 100;
trait WeighMultiAssetsReserve {
fn weigh_multi_assets_reserve(&self, weight: Weight) -> XCMWeight;
}

const RESERVE_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::Wild(_) => weight.saturating_mul(MAX_ASSETS as u64),
};
weight.ref_time()
weigh_multi_assets_generic(self, weight, MAX_ASSETS)
}
}

impl WeighMultiAssetsReserve for MultiAssetFilter {
fn weigh_multi_assets_reserve(&self, weight: Weight) -> XCMWeight {
weigh_multi_assets_generic(self, weight, RESERVE_MAX_ASSETS)
}
}

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 Expand Up @@ -125,7 +142,7 @@ impl<Call> XcmWeightInfo<Call> for StatemintXcmWeight<Call> {
_dest: &MultiLocation,
_xcm: &Xcm<()>,
) -> XCMWeight {
assets.weigh_multi_assets(XcmFungibleWeight::<Runtime>::deposit_reserve_asset())
assets.weigh_multi_assets_reserve(XcmFungibleWeight::<Runtime>::deposit_reserve_asset())
}
fn exchange_asset(_give: &MultiAssetFilter, _receive: &MultiAssets) -> XCMWeight {
Weight::MAX.ref_time()
Expand All @@ -135,7 +152,7 @@ impl<Call> XcmWeightInfo<Call> for StatemintXcmWeight<Call> {
_reserve: &MultiLocation,
_xcm: &Xcm<()>,
) -> XCMWeight {
assets.weigh_multi_assets(XcmGeneric::<Runtime>::initiate_reserve_withdraw())
assets.weigh_multi_assets_reserve(XcmGeneric::<Runtime>::initiate_reserve_withdraw())
}
fn initiate_teleport(
assets: &MultiAssetFilter,
Expand Down
39 changes: 28 additions & 11 deletions parachains/runtimes/assets/westmint/src/weights/xcm/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -21,32 +21,49 @@ use crate::Runtime;
use frame_support::weights::Weight;
use pallet_xcm_benchmarks_fungible::WeightInfo as XcmFungibleWeight;
use pallet_xcm_benchmarks_generic::WeightInfo as XcmGeneric;
use sp_std::prelude::*;
use xcm::{
latest::{prelude::*, Weight as XCMWeight},
DoubleEncoded,
};

fn weigh_multi_assets_generic(
filter: &MultiAssetFilter,
weight: Weight,
max_assets: u32,
) -> XCMWeight {
let weight = match filter {
MultiAssetFilter::Definite(assets) => weight.saturating_mul(assets.len() as u64),
MultiAssetFilter::Wild(_) => weight.saturating_mul(max_assets as u64),
};
weight.ref_time()
}

trait WeighMultiAssets {
fn weigh_multi_assets(&self, weight: Weight) -> XCMWeight;
}

const MAX_ASSETS: u32 = 100;
trait WeighMultiAssetsReserve {
fn weigh_multi_assets_reserve(&self, weight: Weight) -> XCMWeight;
}

const RESERVE_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::Wild(_) => weight.saturating_mul(MAX_ASSETS as u64),
};
weight.ref_time()
weigh_multi_assets_generic(self, weight, MAX_ASSETS)
}
}

impl WeighMultiAssetsReserve for MultiAssetFilter {
fn weigh_multi_assets_reserve(&self, weight: Weight) -> XCMWeight {
weigh_multi_assets_generic(self, weight, RESERVE_MAX_ASSETS)
}
}

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 Expand Up @@ -125,7 +142,7 @@ impl<Call> XcmWeightInfo<Call> for WestmintXcmWeight<Call> {
_dest: &MultiLocation,
_xcm: &Xcm<()>,
) -> XCMWeight {
assets.weigh_multi_assets(XcmFungibleWeight::<Runtime>::deposit_reserve_asset())
assets.weigh_multi_assets_reserve(XcmFungibleWeight::<Runtime>::deposit_reserve_asset())
}
fn exchange_asset(_give: &MultiAssetFilter, _receive: &MultiAssets) -> XCMWeight {
Weight::MAX.ref_time()
Expand All @@ -135,7 +152,7 @@ impl<Call> XcmWeightInfo<Call> for WestmintXcmWeight<Call> {
_reserve: &MultiLocation,
_xcm: &Xcm<()>,
) -> XCMWeight {
assets.weigh_multi_assets(XcmGeneric::<Runtime>::initiate_reserve_withdraw())
assets.weigh_multi_assets_reserve(XcmGeneric::<Runtime>::initiate_reserve_withdraw())
}
fn initiate_teleport(
assets: &MultiAssetFilter,
Expand Down