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Merged
acatangiu merged 18 commits into from
May 6, 2025
Merged

XcmPaymentApi::query_weight_to_asset_fee simple common impl #8281

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8096676
workaround: weight to selected currency fee Runtime API common impl
mrshiposha Apr 18, 2025
3d30d31
fix: use with_transaction to compute weight cost
mrshiposha Apr 18, 2025
6ddc956
fix: create trader under transaction
mrshiposha Apr 18, 2025
a97ad8f
feat: use common query_weight_to_asset_fee impl in all chains
mrshiposha Apr 21, 2025
7d49bf2
chore: add prdoc
mrshiposha Apr 21, 2025
12801c5
Update polkadot/xcm/pallet-xcm/src/lib.rs
mrshiposha Apr 28, 2025
34a4765
Update prdoc/pr_8281.prdoc
mrshiposha Apr 28, 2025
d66524c
test(XcmPaymentApi): check computed weight fee (native + in-pool)
mrshiposha Apr 28, 2025
a901399
test(XcmPaymentApi): check computed weight foreign asset fee
mrshiposha Apr 28, 2025
2bb0a7a
test: query_weight_to_asset_fee storage noop
mrshiposha Apr 29, 2025
4cd5e5d
Update prdoc/pr_8281.prdoc
mrshiposha Apr 29, 2025
1a0521f
refactor: move common test stuff to asset_test_utils
mrshiposha Apr 29, 2025
4c574eb
fix: clippy
mrshiposha Apr 30, 2025
3bcd52e
fix: integration tests
mrshiposha May 5, 2025
1d628c2
fix: restore usage comment
mrshiposha May 5, 2025
c2d25a6
Merge branch 'master' into workaround/weight-to-fee-common-impl
mrshiposha May 5, 2025
04b6d30
fix: after master merge
mrshiposha May 5, 2025
920ba3a
Revert "fix: integration tests"
mrshiposha May 5, 2025
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34 changes: 6 additions & 28 deletions cumulus/parachains/runtimes/assets/asset-hub-rococo/src/lib.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@ use frame_support::{
AsEnsureOriginWithArg, ConstBool, ConstU128, ConstU32, ConstU64, ConstU8,
ConstantStoragePrice, EitherOfDiverse, Equals, InstanceFilter, TransformOrigin,
},
weights::{ConstantMultiplier, Weight, WeightToFee as _},
weights::{ConstantMultiplier, Weight},
BoundedVec, PalletId,
};
use frame_system::{
Expand Down Expand Up @@ -1555,33 +1555,11 @@ impl_runtime_apis! {
}

fn query_weight_to_asset_fee(weight: Weight, asset: VersionedAssetId) -> Result<u128, XcmPaymentApiError> {
let native_asset = xcm_config::TokenLocation::get();
let fee_in_native = WeightToFee::weight_to_fee(&weight);
let latest_asset_id: Result<AssetId, ()> = asset.clone().try_into();
match latest_asset_id {
Ok(asset_id) if asset_id.0 == native_asset => {
// for native token
Ok(fee_in_native)
},
Ok(asset_id) => {
// Try to get current price of `asset_id` in `native_asset`.
if let Ok(Some(swapped_in_native)) = assets_common::PoolAdapter::<Runtime>::quote_price_tokens_for_exact_tokens(
asset_id.0.clone(),
native_asset,
fee_in_native,
true, // We include the fee.
) {
Ok(swapped_in_native)
} else {
log::trace!(target: "xcm::xcm_runtime_apis", "query_weight_to_asset_fee - unhandled asset_id: {asset_id:?}!");
Err(XcmPaymentApiError::AssetNotFound)
}
},
Err(_) => {
log::trace!(target: "xcm::xcm_runtime_apis", "query_weight_to_asset_fee - failed to convert asset: {asset:?}!");
Err(XcmPaymentApiError::VersionedConversionFailed)
}
}
use crate::xcm_config::XcmConfig;

type Trader = <XcmConfig as xcm_executor::Config>::Trader;

PolkadotXcm::query_weight_to_asset_fee::<Trader>(weight, asset)
}

fn query_xcm_weight(message: VersionedXcm<()>) -> Result<Weight, XcmPaymentApiError> {
Expand Down
62 changes: 13 additions & 49 deletions cumulus/parachains/runtimes/assets/asset-hub-rococo/tests/tests.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,6 @@ use asset_test_utils::{
ExtBuilder, GovernanceOrigin, SlotDurations,
};
use codec::{Decode, Encode};
use core::ops::Mul;
use frame_support::{
assert_noop, assert_ok, parameter_types,
traits::{
Expand Down Expand Up @@ -91,52 +90,6 @@ fn slot_durations() -> SlotDurations {
}
}

fn setup_pool_for_paying_fees_with_foreign_assets(
(foreign_asset_owner, foreign_asset_id_location, foreign_asset_id_minimum_balance): (
AccountId,
Location,
Balance,
),
) {
let existential_deposit = ExistentialDeposit::get();

// setup a pool to pay fees with `foreign_asset_id_location` tokens
let pool_owner: AccountId = [14u8; 32].into();
let native_asset = Location::parent();
let pool_liquidity: Balance =
existential_deposit.max(foreign_asset_id_minimum_balance).mul(100_000);

let _ = Balances::force_set_balance(
RuntimeOrigin::root(),
pool_owner.clone().into(),
(existential_deposit + pool_liquidity).mul(2).into(),
);

assert_ok!(ForeignAssets::mint(
RuntimeOrigin::signed(foreign_asset_owner),
foreign_asset_id_location.clone().into(),
pool_owner.clone().into(),
(foreign_asset_id_minimum_balance + pool_liquidity).mul(2).into(),
));

assert_ok!(AssetConversion::create_pool(
RuntimeOrigin::signed(pool_owner.clone()),
Box::new(native_asset.clone().into()),
Box::new(foreign_asset_id_location.clone().into())
));

assert_ok!(AssetConversion::add_liquidity(
RuntimeOrigin::signed(pool_owner.clone()),
Box::new(native_asset.into()),
Box::new(foreign_asset_id_location.into()),
pool_liquidity,
pool_liquidity,
1,
1,
pool_owner,
));
}

#[test]
fn test_buy_and_refund_weight_in_native() {
ExtBuilder::<Runtime>::default()
Expand Down Expand Up @@ -845,7 +798,7 @@ mod asset_hub_rococo_tests {
1000000000000,
|| {
// setup pool for paying fees to touch `SwapFirstAssetTrader`
setup_pool_for_paying_fees_with_foreign_assets(foreign_asset_create_params);
asset_test_utils::test_cases::setup_pool_for_paying_fees_with_foreign_assets::<Runtime, RuntimeOrigin>(ExistentialDeposit::get(), foreign_asset_create_params);
// staking pot account for collecting local native fees from `BuyExecution`
let _ = Balances::force_set_balance(RuntimeOrigin::root(), StakingPot::get().into(), ExistentialDeposit::get());
// prepare bridge configuration
Expand Down Expand Up @@ -920,7 +873,7 @@ mod asset_hub_rococo_tests {
foreign_asset_create_params.clone(),
1000000000000,
|| {
setup_pool_for_paying_fees_with_foreign_assets(foreign_asset_create_params);
asset_test_utils::test_cases::setup_pool_for_paying_fees_with_foreign_assets::<Runtime, RuntimeOrigin>(ExistentialDeposit::get(), foreign_asset_create_params);
bridging_to_asset_hub_westend()
},
(
Expand Down Expand Up @@ -1365,11 +1318,22 @@ fn xcm_payment_api_works() {
RuntimeCall,
RuntimeOrigin,
Block,
WeightToFee,
>();
asset_test_utils::test_cases::xcm_payment_api_with_pools_works::<
Runtime,
RuntimeCall,
RuntimeOrigin,
Block,
WeightToFee,
>();

asset_test_utils::test_cases::xcm_payment_api_foreign_asset_pool_works::<
Runtime,
RuntimeCall,
RuntimeOrigin,
LocationToAccountId,
Block,
WeightToFee,
>(ExistentialDeposit::get(), WESTEND_GENESIS_HASH);
}
34 changes: 6 additions & 28 deletions cumulus/parachains/runtimes/assets/asset-hub-westend/src/lib.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,7 @@ use frame_support::{
AsEnsureOriginWithArg, ConstBool, ConstU128, ConstU32, ConstU64, ConstU8,
ConstantStoragePrice, Equals, InstanceFilter, Nothing, TransformOrigin,
},
weights::{ConstantMultiplier, Weight, WeightToFee as _},
weights::{ConstantMultiplier, Weight},
BoundedVec, PalletId,
};
use frame_system::{
Expand Down Expand Up @@ -1692,33 +1692,11 @@ impl_runtime_apis! {
}

fn query_weight_to_asset_fee(weight: Weight, asset: VersionedAssetId) -> Result<u128, XcmPaymentApiError> {
let native_asset = xcm_config::WestendLocation::get();
let fee_in_native = WeightToFee::weight_to_fee(&weight);
let latest_asset_id: Result<AssetId, ()> = asset.clone().try_into();
match latest_asset_id {
Ok(asset_id) if asset_id.0 == native_asset => {
// for native asset
Ok(fee_in_native)
},
Ok(asset_id) => {
// Try to get current price of `asset_id` in `native_asset`.
if let Ok(Some(swapped_in_native)) = assets_common::PoolAdapter::<Runtime>::quote_price_tokens_for_exact_tokens(
asset_id.0.clone(),
native_asset,
fee_in_native,
true, // We include the fee.
) {
Ok(swapped_in_native)
} else {
log::trace!(target: "xcm::xcm_runtime_apis", "query_weight_to_asset_fee - unhandled asset_id: {asset_id:?}!");
Err(XcmPaymentApiError::AssetNotFound)
}
},
Err(_) => {
log::trace!(target: "xcm::xcm_runtime_apis", "query_weight_to_asset_fee - failed to convert asset: {asset:?}!");
Err(XcmPaymentApiError::VersionedConversionFailed)
}
}
use crate::xcm_config::XcmConfig;

type Trader = <XcmConfig as xcm_executor::Config>::Trader;

PolkadotXcm::query_weight_to_asset_fee::<Trader>(weight, asset)
}

fn query_xcm_weight(message: VersionedXcm<()>) -> Result<Weight, XcmPaymentApiError> {
Expand Down
63 changes: 14 additions & 49 deletions cumulus/parachains/runtimes/assets/asset-hub-westend/tests/tests.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@ use parachains_common::{AccountId, AssetIdForTrustBackedAssets, AuraId, Balance}
use sp_consensus_aura::SlotDuration;
use sp_core::crypto::Ss58Codec;
use sp_runtime::{traits::MaybeEquivalence, Either};
use std::{convert::Into, ops::Mul};
use std::convert::Into;
use testnet_parachains_constants::westend::{consensus::*, currency::UNITS, fee::WeightToFee};
use xcm::latest::{
prelude::{Assets as XcmAssets, *},
Expand Down Expand Up @@ -91,52 +91,6 @@ fn slot_durations() -> SlotDurations {
}
}

fn setup_pool_for_paying_fees_with_foreign_assets(
(foreign_asset_owner, foreign_asset_id_location, foreign_asset_id_minimum_balance): (
AccountId,
xcm::v5::Location,
Balance,
),
) {
let existential_deposit = ExistentialDeposit::get();

// setup a pool to pay fees with `foreign_asset_id_location` tokens
let pool_owner: AccountId = [14u8; 32].into();
let native_asset = xcm::v5::Location::parent();
let pool_liquidity: Balance =
existential_deposit.max(foreign_asset_id_minimum_balance).mul(100_000);

let _ = Balances::force_set_balance(
RuntimeOrigin::root(),
pool_owner.clone().into(),
(existential_deposit + pool_liquidity).mul(2).into(),
);

assert_ok!(ForeignAssets::mint(
RuntimeOrigin::signed(foreign_asset_owner),
foreign_asset_id_location.clone().into(),
pool_owner.clone().into(),
(foreign_asset_id_minimum_balance + pool_liquidity).mul(2).into(),
));

assert_ok!(AssetConversion::create_pool(
RuntimeOrigin::signed(pool_owner.clone()),
Box::new(native_asset.clone().into()),
Box::new(foreign_asset_id_location.clone().into())
));

assert_ok!(AssetConversion::add_liquidity(
RuntimeOrigin::signed(pool_owner.clone()),
Box::new(native_asset.into()),
Box::new(foreign_asset_id_location.into()),
pool_liquidity,
pool_liquidity,
1,
1,
pool_owner,
));
}

#[test]
fn test_buy_and_refund_weight_in_native() {
ExtBuilder::<Runtime>::default()
Expand Down Expand Up @@ -944,7 +898,7 @@ fn receive_reserve_asset_deposited_roc_from_asset_hub_rococo_fees_paid_by_pool_s
1000000000000,
|| {
// setup pool for paying fees to touch `SwapFirstAssetTrader`
setup_pool_for_paying_fees_with_foreign_assets(foreign_asset_create_params);
asset_test_utils::test_cases::setup_pool_for_paying_fees_with_foreign_assets::<Runtime, RuntimeOrigin>(ExistentialDeposit::get(), foreign_asset_create_params);
// staking pot account for collecting local native fees from `BuyExecution`
let _ = Balances::force_set_balance(RuntimeOrigin::root(), StakingPot::get().into(), ExistentialDeposit::get());
// prepare bridge configuration
Expand Down Expand Up @@ -1014,7 +968,7 @@ fn receive_reserve_asset_deposited_roc_from_asset_hub_rococo_fees_paid_by_suffic
foreign_asset_create_params.clone(),
1000000000000,
|| {
setup_pool_for_paying_fees_with_foreign_assets(foreign_asset_create_params);
asset_test_utils::test_cases::setup_pool_for_paying_fees_with_foreign_assets::<Runtime, RuntimeOrigin>(ExistentialDeposit::get(), foreign_asset_create_params);
bridging_to_asset_hub_rococo()
},
(
Expand Down Expand Up @@ -1423,13 +1377,24 @@ fn xcm_payment_api_works() {
RuntimeCall,
RuntimeOrigin,
Block,
WeightToFee,
>();
asset_test_utils::test_cases::xcm_payment_api_with_pools_works::<
Runtime,
RuntimeCall,
RuntimeOrigin,
Block,
WeightToFee,
>();

asset_test_utils::test_cases::xcm_payment_api_foreign_asset_pool_works::<
Runtime,
RuntimeCall,
RuntimeOrigin,
LocationToAccountId,
Block,
WeightToFee,
>(ExistentialDeposit::get(), ROCOCO_GENESIS_HASH);
}

#[test]
Expand Down
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