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pezkuwi-subxt/polkadot/runtime/westend/src/weights/pallet_xcm.rs
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Adrian Catangiu e7651cf41b pallet-xcm: add new flexible transfer_assets() call/extrinsic (#2388) 
# Motivation (+testing)

### Enable easy `ForeignAssets` transfers using `pallet-xcm` 

We had just previously added capabilities to teleport fees during
reserve-based transfers, but what about reserve-transferring fees when
needing to teleport some non-fee asset?

This PR aligns everything under either explicit reserve-transfer,
explicit teleport, or this new flexible `transfer_assets()` which can
mix and match as needed with fewer artificial constraints imposed to the
user.

This will enable, for example, a (non-system) parachain to teleport
their `ForeignAssets` assets to AssetHub while using DOT to pay fees.
(the assets are teleported - as foreign assets should from their owner
chain - while DOT used for fees can only be reserve-based transferred
between said parachain and AssetHub).

Added `xcm-emulator` tests for this scenario ^.

# Description

Reverts `(limited_)reserve_transfer_assets` to only allow reserve-based
transfers for all `assets` including fees.

Similarly `(limited_)teleport_assets` only allows teleports for all
`assets` including fees.
    
For complex combinations of asset transfers where assets and fees may
have different reserves or different reserve/teleport trust
configurations, users can use the newly added `transfer_assets()`
extrinsic which is more flexible in allowing more complex scenarios.

`assets` (excluding `fees`) must have same reserve location or otherwise
be teleportable to `dest`.
No limitations imposed on `fees`.

- for local reserve: transfer assets to sovereign account of destination
chain and forward a notification XCM to `dest` to mint and deposit
reserve-based assets to `beneficiary`.
- for destination reserve: burn local assets and forward a notification
to `dest` chain to withdraw the reserve assets from this chain's
sovereign account and deposit them to `beneficiary`.
- for remote reserve: burn local assets, forward XCM to reserve chain to
move reserves from this chain's SA to `dest` chain's SA, and forward
another XCM to `dest` to mint and deposit reserve-based assets to
`beneficiary`.
- for teleports: burn local assets and forward XCM to `dest` chain to
mint/teleport assets and deposit them to `beneficiary`.

## Review notes

Only around 500 lines are prod code (see `pallet_xcm/src/lib.rs`), the
rest of the PR is new tests and improving existing tests.

---------

Co-authored-by: command-bot <>
2023-12-06 13:18:12 +02:00

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// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Polkadot is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
//! Autogenerated weights for `pallet_xcm`
//!
//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 4.0.0-dev
//! DATE: 2023-11-07, STEPS: `50`, REPEAT: `20`, LOW RANGE: `[]`, HIGH RANGE: `[]`
//! WORST CASE MAP SIZE: `1000000`
//! HOSTNAME: `runner-yprdrvc7-project-674-concurrent-0`, CPU: `Intel(R) Xeon(R) CPU @ 2.60GHz`
//! WASM-EXECUTION: `Compiled`, CHAIN: `Some("westend-dev")`, DB CACHE: 1024
// Executed Command:
// ./target/production/polkadot
// benchmark
// pallet
// --chain=westend-dev
// --steps=50
// --repeat=20
// --no-storage-info
// --no-median-slopes
// --no-min-squares
// --pallet=pallet_xcm
// --extrinsic=*
// --execution=wasm
// --wasm-execution=compiled
// --header=./polkadot/file_header.txt
// --output=./polkadot/runtime/westend/src/weights/
#![cfg_attr(rustfmt, rustfmt_skip)]
#![allow(unused_parens)]
#![allow(unused_imports)]
#![allow(missing_docs)]
use frame_support::{traits::Get, weights::Weight};
use core::marker::PhantomData;
/// Weight functions for `pallet_xcm`.
pub struct WeightInfo<T>(PhantomData<T>);
impl<T: frame_system::Config> pallet_xcm::WeightInfo for WeightInfo<T> {
fn transfer_assets() -> Weight {
// TODO: run benchmarks
Weight::zero()
}
/// Storage: `Dmp::DeliveryFeeFactor` (r:1 w:0)
/// Proof: `Dmp::DeliveryFeeFactor` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `XcmPallet::SupportedVersion` (r:1 w:0)
/// Proof: `XcmPallet::SupportedVersion` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DownwardMessageQueues` (r:1 w:1)
/// Proof: `Dmp::DownwardMessageQueues` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DownwardMessageQueueHeads` (r:1 w:1)
/// Proof: `Dmp::DownwardMessageQueueHeads` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn send() -> Weight {
// Proof Size summary in bytes:
// Measured: `109`
// Estimated: `3574`
// Minimum execution time: 28_098_000 picoseconds.
Weight::from_parts(28_887_000, 0)
.saturating_add(Weight::from_parts(0, 3574))
.saturating_add(T::DbWeight::get().reads(4))
.saturating_add(T::DbWeight::get().writes(2))
}
fn teleport_assets() -> Weight {
// Proof Size summary in bytes:
// Measured: `0`
// Estimated: `0`
// Minimum execution time: 17_609_000 picoseconds.
Weight::from_parts(18_000_000, 0)
.saturating_add(Weight::from_parts(0, 0))
}
fn reserve_transfer_assets() -> Weight {
// Proof Size summary in bytes:
// Measured: `0`
// Estimated: `0`
// Minimum execution time: 17_007_000 picoseconds.
Weight::from_parts(17_471_000, 0)
.saturating_add(Weight::from_parts(0, 0))
}
/// Storage: `Benchmark::Override` (r:0 w:0)
/// Proof: `Benchmark::Override` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn execute() -> Weight {
// Proof Size summary in bytes:
// Measured: `0`
// Estimated: `0`
// Minimum execution time: 18_446_744_073_709_551_000 picoseconds.
Weight::from_parts(18_446_744_073_709_551_000, 0)
.saturating_add(Weight::from_parts(0, 0))
}
/// Storage: `XcmPallet::SupportedVersion` (r:0 w:1)
/// Proof: `XcmPallet::SupportedVersion` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn force_xcm_version() -> Weight {
// Proof Size summary in bytes:
// Measured: `0`
// Estimated: `0`
// Minimum execution time: 7_444_000 picoseconds.
Weight::from_parts(7_671_000, 0)
.saturating_add(Weight::from_parts(0, 0))
.saturating_add(T::DbWeight::get().writes(1))
}
fn force_default_xcm_version() -> Weight {
// Proof Size summary in bytes:
// Measured: `0`
// Estimated: `0`
// Minimum execution time: 2_126_000 picoseconds.
Weight::from_parts(2_253_000, 0)
.saturating_add(Weight::from_parts(0, 0))
}
/// Storage: `XcmPallet::VersionNotifiers` (r:1 w:1)
/// Proof: `XcmPallet::VersionNotifiers` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `XcmPallet::QueryCounter` (r:1 w:1)
/// Proof: `XcmPallet::QueryCounter` (`max_values`: Some(1), `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DeliveryFeeFactor` (r:1 w:0)
/// Proof: `Dmp::DeliveryFeeFactor` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `XcmPallet::SupportedVersion` (r:1 w:0)
/// Proof: `XcmPallet::SupportedVersion` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DownwardMessageQueues` (r:1 w:1)
/// Proof: `Dmp::DownwardMessageQueues` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DownwardMessageQueueHeads` (r:1 w:1)
/// Proof: `Dmp::DownwardMessageQueueHeads` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `XcmPallet::Queries` (r:0 w:1)
/// Proof: `XcmPallet::Queries` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn force_subscribe_version_notify() -> Weight {
// Proof Size summary in bytes:
// Measured: `109`
// Estimated: `3574`
// Minimum execution time: 31_318_000 picoseconds.
Weight::from_parts(32_413_000, 0)
.saturating_add(Weight::from_parts(0, 3574))
.saturating_add(T::DbWeight::get().reads(6))
.saturating_add(T::DbWeight::get().writes(5))
}
/// Storage: `XcmPallet::VersionNotifiers` (r:1 w:1)
/// Proof: `XcmPallet::VersionNotifiers` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DeliveryFeeFactor` (r:1 w:0)
/// Proof: `Dmp::DeliveryFeeFactor` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `XcmPallet::SupportedVersion` (r:1 w:0)
/// Proof: `XcmPallet::SupportedVersion` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DownwardMessageQueues` (r:1 w:1)
/// Proof: `Dmp::DownwardMessageQueues` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DownwardMessageQueueHeads` (r:1 w:1)
/// Proof: `Dmp::DownwardMessageQueueHeads` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `XcmPallet::Queries` (r:0 w:1)
/// Proof: `XcmPallet::Queries` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn force_unsubscribe_version_notify() -> Weight {
// Proof Size summary in bytes:
// Measured: `289`
// Estimated: `3754`
// Minimum execution time: 35_282_000 picoseconds.
Weight::from_parts(35_969_000, 0)
.saturating_add(Weight::from_parts(0, 3754))
.saturating_add(T::DbWeight::get().reads(5))
.saturating_add(T::DbWeight::get().writes(4))
}
/// Storage: `XcmPallet::XcmExecutionSuspended` (r:0 w:1)
/// Proof: `XcmPallet::XcmExecutionSuspended` (`max_values`: Some(1), `max_size`: None, mode: `Measured`)
fn force_suspension() -> Weight {
// Proof Size summary in bytes:
// Measured: `0`
// Estimated: `0`
// Minimum execution time: 2_247_000 picoseconds.
Weight::from_parts(2_381_000, 0)
.saturating_add(Weight::from_parts(0, 0))
.saturating_add(T::DbWeight::get().writes(1))
}
/// Storage: `XcmPallet::SupportedVersion` (r:4 w:2)
/// Proof: `XcmPallet::SupportedVersion` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn migrate_supported_version() -> Weight {
// Proof Size summary in bytes:
// Measured: `26`
// Estimated: `10916`
// Minimum execution time: 14_512_000 picoseconds.
Weight::from_parts(15_042_000, 0)
.saturating_add(Weight::from_parts(0, 10916))
.saturating_add(T::DbWeight::get().reads(4))
.saturating_add(T::DbWeight::get().writes(2))
}
/// Storage: `XcmPallet::VersionNotifiers` (r:4 w:2)
/// Proof: `XcmPallet::VersionNotifiers` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn migrate_version_notifiers() -> Weight {
// Proof Size summary in bytes:
// Measured: `30`
// Estimated: `10920`
// Minimum execution time: 14_659_000 picoseconds.
Weight::from_parts(15_164_000, 0)
.saturating_add(Weight::from_parts(0, 10920))
.saturating_add(T::DbWeight::get().reads(4))
.saturating_add(T::DbWeight::get().writes(2))
}
/// Storage: `XcmPallet::VersionNotifyTargets` (r:5 w:0)
/// Proof: `XcmPallet::VersionNotifyTargets` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn already_notified_target() -> Weight {
// Proof Size summary in bytes:
// Measured: `40`
// Estimated: `13405`
// Minimum execution time: 16_261_000 picoseconds.
Weight::from_parts(16_986_000, 0)
.saturating_add(Weight::from_parts(0, 13405))
.saturating_add(T::DbWeight::get().reads(5))
}
/// Storage: `XcmPallet::VersionNotifyTargets` (r:2 w:1)
/// Proof: `XcmPallet::VersionNotifyTargets` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DeliveryFeeFactor` (r:1 w:0)
/// Proof: `Dmp::DeliveryFeeFactor` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `XcmPallet::SupportedVersion` (r:1 w:0)
/// Proof: `XcmPallet::SupportedVersion` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DownwardMessageQueues` (r:1 w:1)
/// Proof: `Dmp::DownwardMessageQueues` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DownwardMessageQueueHeads` (r:1 w:1)
/// Proof: `Dmp::DownwardMessageQueueHeads` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn notify_current_targets() -> Weight {
// Proof Size summary in bytes:
// Measured: `145`
// Estimated: `6085`
// Minimum execution time: 30_539_000 picoseconds.
Weight::from_parts(31_117_000, 0)
.saturating_add(Weight::from_parts(0, 6085))
.saturating_add(T::DbWeight::get().reads(6))
.saturating_add(T::DbWeight::get().writes(3))
}
/// Storage: `XcmPallet::VersionNotifyTargets` (r:3 w:0)
/// Proof: `XcmPallet::VersionNotifyTargets` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn notify_target_migration_fail() -> Weight {
// Proof Size summary in bytes:
// Measured: `69`
// Estimated: `8484`
// Minimum execution time: 9_463_000 picoseconds.
Weight::from_parts(9_728_000, 0)
.saturating_add(Weight::from_parts(0, 8484))
.saturating_add(T::DbWeight::get().reads(3))
}
/// Storage: `XcmPallet::VersionNotifyTargets` (r:4 w:2)
/// Proof: `XcmPallet::VersionNotifyTargets` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn migrate_version_notify_targets() -> Weight {
// Proof Size summary in bytes:
// Measured: `37`
// Estimated: `10927`
// Minimum execution time: 15_169_000 picoseconds.
Weight::from_parts(15_694_000, 0)
.saturating_add(Weight::from_parts(0, 10927))
.saturating_add(T::DbWeight::get().reads(4))
.saturating_add(T::DbWeight::get().writes(2))
}
/// Storage: `XcmPallet::VersionNotifyTargets` (r:4 w:2)
/// Proof: `XcmPallet::VersionNotifyTargets` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DeliveryFeeFactor` (r:1 w:0)
/// Proof: `Dmp::DeliveryFeeFactor` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `XcmPallet::SupportedVersion` (r:1 w:0)
/// Proof: `XcmPallet::SupportedVersion` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DownwardMessageQueues` (r:1 w:1)
/// Proof: `Dmp::DownwardMessageQueues` (`max_values`: None, `max_size`: None, mode: `Measured`)
/// Storage: `Dmp::DownwardMessageQueueHeads` (r:1 w:1)
/// Proof: `Dmp::DownwardMessageQueueHeads` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn migrate_and_notify_old_targets() -> Weight {
// Proof Size summary in bytes:
// Measured: `149`
// Estimated: `11039`
// Minimum execution time: 37_549_000 picoseconds.
Weight::from_parts(38_203_000, 0)
.saturating_add(Weight::from_parts(0, 11039))
.saturating_add(T::DbWeight::get().reads(8))
.saturating_add(T::DbWeight::get().writes(4))
}
/// Storage: `XcmPallet::QueryCounter` (r:1 w:1)
/// Proof: `XcmPallet::QueryCounter` (`max_values`: Some(1), `max_size`: None, mode: `Measured`)
/// Storage: `XcmPallet::Queries` (r:0 w:1)
/// Proof: `XcmPallet::Queries` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn new_query() -> Weight {
// Proof Size summary in bytes:
// Measured: `0`
// Estimated: `1485`
// Minimum execution time: 2_947_000 picoseconds.
Weight::from_parts(3_117_000, 0)
.saturating_add(Weight::from_parts(0, 1485))
.saturating_add(T::DbWeight::get().reads(1))
.saturating_add(T::DbWeight::get().writes(2))
}
/// Storage: `XcmPallet::Queries` (r:1 w:1)
/// Proof: `XcmPallet::Queries` (`max_values`: None, `max_size`: None, mode: `Measured`)
fn take_response() -> Weight {
// Proof Size summary in bytes:
// Measured: `7576`
// Estimated: `11041`
// Minimum execution time: 24_595_000 picoseconds.
Weight::from_parts(24_907_000, 0)
.saturating_add(Weight::from_parts(0, 11041))
.saturating_add(T::DbWeight::get().reads(1))
.saturating_add(T::DbWeight::get().writes(1))
}
}
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