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pallet-asset-conversion: Decoupling Native Currency Dependancy (#2031)

Browse Source 
closes https://github.com/paritytech/polkadot-sdk/issues/1842

Decoupling Pallet from the Concept of Native Currency

Currently, the pallet is intrinsically linked with the concept of native
currency, requiring users to provide implementations of the
`fungible::*` and `fungibles::*` traits to interact with native and non
native assets. This incapsulates some non-related to the pallet
complexity and makes it less adaptable in contexts where the native
currency concept is absent.

With this PR, the dependence on `fungible::*` for liquidity-supplying
assets has been removed. Instead, the native and non-native currencies'
handling is now overseen by a single type that implements the
`fungibles::*` traits. To simplify this integration, types have been
introduced to facilitate the creation of a union between `fungible::*`
and `fungibles::*` implementations, producing a unified `fungibles::*`
type.

One of the reasons driving these changes is the ambition to create a
more user-friendly API for the `SwapCredit` implementation. Given that
it interacts with two distinct credit types from `fungible` and
`fungibles`, a unified type was introduced. Clients now manage potential
conversion failures for those credit types. In certain contexts, it's
vital to guarantee that operations are fail-safe, like in this impl -
[PR](https://github.com/paritytech/polkadot-sdk/pull/1845), place in
[code](https://github.com/paritytech/polkadot-sdk/blob/20b85a5fada8f55c98ba831964f5866ffeadf4da/cumulus/primitives/utility/src/lib.rs#L429).

Additional Updates:
- abstracted the pool ID and its account derivation logic via trait
bounds, along with common implementation offerings;
- removed `inc_providers` on a pool creation for the pool account;
- benchmarks:
-- swap complexity is N, not const;
-- removed `From<u128> + Into<u128>` bound from `T::Balance`;
-- removed swap/liquidity/.. amount constants, resolve them dynamically
based on pallet configuration;
-- migrated to v2 API;
- `OnUnbalanced` handler for the pool creation fee, replacing direct
transfers to a specified account ID;
- renamed `MultiAssetId` to `AssetKind` aligning with naming across
frame crates;

related PRs:
- (depends) https://github.com/paritytech/polkadot-sdk/pull/1677
- (caused) https://github.com/paritytech/polkadot-sdk/pull/2033
- (caused) https://github.com/paritytech/polkadot-sdk/pull/1876

---------

Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>
Co-authored-by: Liam Aharon <liam.aharon@hotmail.com>
This commit is contained in:
Muharem
2023-12-20 13:57:26 +01:00
committed by GitHub
parent d32f66fb8f
commit 4f832ea865
26 changed files with 1750 additions and 4571 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/asset-conversion/src/weights.rs
Generated
+115 -117
View File
@@ -15,29 +15,27 @@
// See the License for the specific language governing permissions and
// limitations under the License.
//! Autogenerated weights for pallet_asset_conversion
//! Autogenerated weights for `pallet_asset_conversion`
//!
//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 4.0.0-dev
//! DATE: 2023-07-18, STEPS: `50`, REPEAT: `20`, LOW RANGE: `[]`, HIGH RANGE: `[]`
//! DATE: 2023-10-30, STEPS: `5`, REPEAT: `2`, LOW RANGE: `[]`, HIGH RANGE: `[]`
//! WORST CASE MAP SIZE: `1000000`
//! HOSTNAME: `runner-gghbxkbs-project-145-concurrent-0`, CPU: `Intel(R) Xeon(R) CPU @ 2.60GHz`
//! EXECUTION: ``, WASM-EXECUTION: `Compiled`, CHAIN: `Some("dev")`, DB CACHE: `1024`
//! HOSTNAME: `cob`, CPU: `<UNKNOWN>`
//! WASM-EXECUTION: `Compiled`, CHAIN: `Some("dev")`, DB CACHE: `1024`
// Executed Command:
// target/production/substrate
// ./target/debug/substrate-node
// benchmark
// pallet
// --steps=50
// --repeat=20
// --chain=dev
// --steps=5
// --repeat=2
// --pallet=pallet-asset-conversion
// --extrinsic=*
// --wasm-execution=compiled
// --heap-pages=4096
// --json-file=/builds/parity/mirrors/substrate/.git/.artifacts/bench.json
// --pallet=pallet_asset_conversion
// --chain=dev
// --header=./HEADER-APACHE2
// --output=./frame/asset-conversion/src/weights.rs
// --template=./.maintain/frame-weight-template.hbs
// --output=./substrate/frame/asset-conversion/src/weights.rs
// --template=./substrate/.maintain/frame-weight-template.hbs
#![cfg_attr(rustfmt, rustfmt_skip)]
#![allow(unused_parens)]
@@ -47,25 +45,25 @@
use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
use core::marker::PhantomData;
/// Weight functions needed for pallet_asset_conversion.
/// Weight functions needed for `pallet_asset_conversion`.
pub trait WeightInfo {
fn create_pool() -> Weight;
fn add_liquidity() -> Weight;
fn remove_liquidity() -> Weight;
fn swap_exact_tokens_for_tokens() -> Weight;
fn swap_tokens_for_exact_tokens() -> Weight;
fn swap_exact_tokens_for_tokens(n: u32, ) -> Weight;
fn swap_tokens_for_exact_tokens(n: u32, ) -> Weight;
}
/// Weights for pallet_asset_conversion using the Substrate node and recommended hardware.
/// Weights for `pallet_asset_conversion` using the Substrate node and recommended hardware.
pub struct SubstrateWeight<T>(PhantomData<T>);
impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
/// Storage: `AssetConversion::Pools` (r:1 w:1)
/// Proof: `AssetConversion::Pools` (`max_values`: None, `max_size`: Some(30), added: 2505, mode: `MaxEncodedLen`)
/// Storage: `System::Account` (r:2 w:2)
/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
/// Storage: `Assets::Account` (r:1 w:1)
/// Storage: `Assets::Account` (r:2 w:2)
/// Proof: `Assets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
/// Storage: `Assets::Asset` (r:1 w:1)
/// Storage: `Assets::Asset` (r:2 w:2)
/// Proof: `Assets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
/// Storage: `AssetConversion::NextPoolAssetId` (r:1 w:1)
/// Proof: `AssetConversion::NextPoolAssetId` (`max_values`: Some(1), `max_size`: Some(4), added: 499, mode: `MaxEncodedLen`)
@@ -75,20 +73,18 @@ impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
/// Proof: `PoolAssets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
fn create_pool() -> Weight {
// Proof Size summary in bytes:
// Measured: `729`
// Estimated: `6196`
// Minimum execution time: 131_688_000 picoseconds.
Weight::from_parts(134_092_000, 6196)
.saturating_add(T::DbWeight::get().reads(8_u64))
.saturating_add(T::DbWeight::get().writes(8_u64))
// Measured: `1081`
// Estimated: `6360`
// Minimum execution time: 1_576_000_000 picoseconds.
Weight::from_parts(1_668_000_000, 6360)
.saturating_add(T::DbWeight::get().reads(10_u64))
.saturating_add(T::DbWeight::get().writes(10_u64))
}
/// Storage: `AssetConversion::Pools` (r:1 w:0)
/// Proof: `AssetConversion::Pools` (`max_values`: None, `max_size`: Some(30), added: 2505, mode: `MaxEncodedLen`)
/// Storage: `System::Account` (r:1 w:1)
/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
/// Storage: `Assets::Asset` (r:1 w:1)
/// Storage: `Assets::Asset` (r:2 w:2)
/// Proof: `Assets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
/// Storage: `Assets::Account` (r:2 w:2)
/// Storage: `Assets::Account` (r:4 w:4)
/// Proof: `Assets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
/// Storage: `PoolAssets::Asset` (r:1 w:1)
/// Proof: `PoolAssets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
@@ -96,20 +92,18 @@ impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
/// Proof: `PoolAssets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
fn add_liquidity() -> Weight {
// Proof Size summary in bytes:
// Measured: `1382`
// Estimated: `6208`
// Minimum execution time: 157_310_000 picoseconds.
Weight::from_parts(161_547_000, 6208)
.saturating_add(T::DbWeight::get().reads(8_u64))
.saturating_add(T::DbWeight::get().writes(7_u64))
// Measured: `1761`
// Estimated: `11426`
// Minimum execution time: 1_636_000_000 picoseconds.
Weight::from_parts(1_894_000_000, 11426)
.saturating_add(T::DbWeight::get().reads(10_u64))
.saturating_add(T::DbWeight::get().writes(9_u64))
}
/// Storage: `AssetConversion::Pools` (r:1 w:0)
/// Proof: `AssetConversion::Pools` (`max_values`: None, `max_size`: Some(30), added: 2505, mode: `MaxEncodedLen`)
/// Storage: `System::Account` (r:1 w:1)
/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
/// Storage: `Assets::Asset` (r:1 w:1)
/// Storage: `Assets::Asset` (r:2 w:2)
/// Proof: `Assets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
/// Storage: `Assets::Account` (r:2 w:2)
/// Storage: `Assets::Account` (r:4 w:4)
/// Proof: `Assets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
/// Storage: `PoolAssets::Asset` (r:1 w:1)
/// Proof: `PoolAssets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
@@ -117,42 +111,46 @@ impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
/// Proof: `PoolAssets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
fn remove_liquidity() -> Weight {
// Proof Size summary in bytes:
// Measured: `1371`
// Estimated: `6208`
// Minimum execution time: 142_769_000 picoseconds.
Weight::from_parts(145_139_000, 6208)
.saturating_add(T::DbWeight::get().reads(7_u64))
.saturating_add(T::DbWeight::get().writes(6_u64))
// Measured: `1750`
// Estimated: `11426`
// Minimum execution time: 1_507_000_000 picoseconds.
Weight::from_parts(1_524_000_000, 11426)
.saturating_add(T::DbWeight::get().reads(9_u64))
.saturating_add(T::DbWeight::get().writes(8_u64))
}
/// Storage: `System::Account` (r:1 w:1)
/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
/// Storage: `Assets::Asset` (r:3 w:3)
/// Storage: `Assets::Asset` (r:4 w:4)
/// Proof: `Assets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
/// Storage: `Assets::Account` (r:6 w:6)
/// Storage: `Assets::Account` (r:8 w:8)
/// Proof: `Assets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
fn swap_exact_tokens_for_tokens() -> Weight {
/// The range of component `n` is `[2, 4]`.
fn swap_exact_tokens_for_tokens(n: u32, ) -> Weight {
// Proof Size summary in bytes:
// Measured: `1738`
// Estimated: `16644`
// Minimum execution time: 213_186_000 picoseconds.
Weight::from_parts(217_471_000, 16644)
.saturating_add(T::DbWeight::get().reads(10_u64))
.saturating_add(T::DbWeight::get().writes(10_u64))
// Measured: `0 + n * (522 ±0)`
// Estimated: `990 + n * (5218 ±0)`
// Minimum execution time: 937_000_000 picoseconds.
Weight::from_parts(941_000_000, 990)
// Standard Error: 40_863_477
.saturating_add(Weight::from_parts(205_862_068, 0).saturating_mul(n.into()))
.saturating_add(T::DbWeight::get().reads((3_u64).saturating_mul(n.into())))
.saturating_add(T::DbWeight::get().writes((3_u64).saturating_mul(n.into())))
.saturating_add(Weight::from_parts(0, 5218).saturating_mul(n.into()))
}
/// Storage: `Assets::Asset` (r:3 w:3)
/// Storage: `Assets::Asset` (r:4 w:4)
/// Proof: `Assets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
/// Storage: `Assets::Account` (r:6 w:6)
/// Storage: `Assets::Account` (r:8 w:8)
/// Proof: `Assets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
/// Storage: `System::Account` (r:1 w:1)
/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
fn swap_tokens_for_exact_tokens() -> Weight {
/// The range of component `n` is `[2, 4]`.
fn swap_tokens_for_exact_tokens(n: u32, ) -> Weight {
// Proof Size summary in bytes:
// Measured: `1738`
// Estimated: `16644`
// Minimum execution time: 213_793_000 picoseconds.
Weight::from_parts(218_584_000, 16644)
.saturating_add(T::DbWeight::get().reads(10_u64))
.saturating_add(T::DbWeight::get().writes(10_u64))
// Measured: `0 + n * (522 ±0)`
// Estimated: `990 + n * (5218 ±0)`
// Minimum execution time: 935_000_000 picoseconds.
Weight::from_parts(947_000_000, 990)
// Standard Error: 46_904_620
.saturating_add(Weight::from_parts(218_275_862, 0).saturating_mul(n.into()))
.saturating_add(T::DbWeight::get().reads((3_u64).saturating_mul(n.into())))
.saturating_add(T::DbWeight::get().writes((3_u64).saturating_mul(n.into())))
.saturating_add(Weight::from_parts(0, 5218).saturating_mul(n.into()))
}
}
@@ -162,9 +160,9 @@ impl WeightInfo for () {
/// Proof: `AssetConversion::Pools` (`max_values`: None, `max_size`: Some(30), added: 2505, mode: `MaxEncodedLen`)
/// Storage: `System::Account` (r:2 w:2)
/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
/// Storage: `Assets::Account` (r:1 w:1)
/// Storage: `Assets::Account` (r:2 w:2)
/// Proof: `Assets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
/// Storage: `Assets::Asset` (r:1 w:1)
/// Storage: `Assets::Asset` (r:2 w:2)
/// Proof: `Assets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
/// Storage: `AssetConversion::NextPoolAssetId` (r:1 w:1)
/// Proof: `AssetConversion::NextPoolAssetId` (`max_values`: Some(1), `max_size`: Some(4), added: 499, mode: `MaxEncodedLen`)
@@ -174,20 +172,18 @@ impl WeightInfo for () {
/// Proof: `PoolAssets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
fn create_pool() -> Weight {
// Proof Size summary in bytes:
// Measured: `729`
// Estimated: `6196`
// Minimum execution time: 131_688_000 picoseconds.
Weight::from_parts(134_092_000, 6196)
.saturating_add(RocksDbWeight::get().reads(8_u64))
.saturating_add(RocksDbWeight::get().writes(8_u64))
// Measured: `1081`
// Estimated: `6360`
// Minimum execution time: 1_576_000_000 picoseconds.
Weight::from_parts(1_668_000_000, 6360)
.saturating_add(RocksDbWeight::get().reads(10_u64))
.saturating_add(RocksDbWeight::get().writes(10_u64))
}
/// Storage: `AssetConversion::Pools` (r:1 w:0)
/// Proof: `AssetConversion::Pools` (`max_values`: None, `max_size`: Some(30), added: 2505, mode: `MaxEncodedLen`)
/// Storage: `System::Account` (r:1 w:1)
/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
/// Storage: `Assets::Asset` (r:1 w:1)
/// Storage: `Assets::Asset` (r:2 w:2)
/// Proof: `Assets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
/// Storage: `Assets::Account` (r:2 w:2)
/// Storage: `Assets::Account` (r:4 w:4)
/// Proof: `Assets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
/// Storage: `PoolAssets::Asset` (r:1 w:1)
/// Proof: `PoolAssets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
@@ -195,20 +191,18 @@ impl WeightInfo for () {
/// Proof: `PoolAssets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
fn add_liquidity() -> Weight {
// Proof Size summary in bytes:
// Measured: `1382`
// Estimated: `6208`
// Minimum execution time: 157_310_000 picoseconds.
Weight::from_parts(161_547_000, 6208)
.saturating_add(RocksDbWeight::get().reads(8_u64))
.saturating_add(RocksDbWeight::get().writes(7_u64))
// Measured: `1761`
// Estimated: `11426`
// Minimum execution time: 1_636_000_000 picoseconds.
Weight::from_parts(1_894_000_000, 11426)
.saturating_add(RocksDbWeight::get().reads(10_u64))
.saturating_add(RocksDbWeight::get().writes(9_u64))
}
/// Storage: `AssetConversion::Pools` (r:1 w:0)
/// Proof: `AssetConversion::Pools` (`max_values`: None, `max_size`: Some(30), added: 2505, mode: `MaxEncodedLen`)
/// Storage: `System::Account` (r:1 w:1)
/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
/// Storage: `Assets::Asset` (r:1 w:1)
/// Storage: `Assets::Asset` (r:2 w:2)
/// Proof: `Assets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
/// Storage: `Assets::Account` (r:2 w:2)
/// Storage: `Assets::Account` (r:4 w:4)
/// Proof: `Assets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
/// Storage: `PoolAssets::Asset` (r:1 w:1)
/// Proof: `PoolAssets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
@@ -216,41 +210,45 @@ impl WeightInfo for () {
/// Proof: `PoolAssets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
fn remove_liquidity() -> Weight {
// Proof Size summary in bytes:
// Measured: `1371`
// Estimated: `6208`
// Minimum execution time: 142_769_000 picoseconds.
Weight::from_parts(145_139_000, 6208)
.saturating_add(RocksDbWeight::get().reads(7_u64))
.saturating_add(RocksDbWeight::get().writes(6_u64))
// Measured: `1750`
// Estimated: `11426`
// Minimum execution time: 1_507_000_000 picoseconds.
Weight::from_parts(1_524_000_000, 11426)
.saturating_add(RocksDbWeight::get().reads(9_u64))
.saturating_add(RocksDbWeight::get().writes(8_u64))
}
/// Storage: `System::Account` (r:1 w:1)
/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
/// Storage: `Assets::Asset` (r:3 w:3)
/// Storage: `Assets::Asset` (r:4 w:4)
/// Proof: `Assets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
/// Storage: `Assets::Account` (r:6 w:6)
/// Storage: `Assets::Account` (r:8 w:8)
/// Proof: `Assets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
fn swap_exact_tokens_for_tokens() -> Weight {
/// The range of component `n` is `[2, 4]`.
fn swap_exact_tokens_for_tokens(n: u32, ) -> Weight {
// Proof Size summary in bytes:
// Measured: `1738`
// Estimated: `16644`
// Minimum execution time: 213_186_000 picoseconds.
Weight::from_parts(217_471_000, 16644)
.saturating_add(RocksDbWeight::get().reads(10_u64))
.saturating_add(RocksDbWeight::get().writes(10_u64))
// Measured: `0 + n * (522 ±0)`
// Estimated: `990 + n * (5218 ±0)`
// Minimum execution time: 937_000_000 picoseconds.
Weight::from_parts(941_000_000, 990)
// Standard Error: 40_863_477
.saturating_add(Weight::from_parts(205_862_068, 0).saturating_mul(n.into()))
.saturating_add(RocksDbWeight::get().reads((3_u64).saturating_mul(n.into())))
.saturating_add(RocksDbWeight::get().writes((3_u64).saturating_mul(n.into())))
.saturating_add(Weight::from_parts(0, 5218).saturating_mul(n.into()))
}
/// Storage: `Assets::Asset` (r:3 w:3)
/// Storage: `Assets::Asset` (r:4 w:4)
/// Proof: `Assets::Asset` (`max_values`: None, `max_size`: Some(210), added: 2685, mode: `MaxEncodedLen`)
/// Storage: `Assets::Account` (r:6 w:6)
/// Storage: `Assets::Account` (r:8 w:8)
/// Proof: `Assets::Account` (`max_values`: None, `max_size`: Some(134), added: 2609, mode: `MaxEncodedLen`)
/// Storage: `System::Account` (r:1 w:1)
/// Proof: `System::Account` (`max_values`: None, `max_size`: Some(128), added: 2603, mode: `MaxEncodedLen`)
fn swap_tokens_for_exact_tokens() -> Weight {
/// The range of component `n` is `[2, 4]`.
fn swap_tokens_for_exact_tokens(n: u32, ) -> Weight {
// Proof Size summary in bytes:
// Measured: `1738`
// Estimated: `16644`
// Minimum execution time: 213_793_000 picoseconds.
Weight::from_parts(218_584_000, 16644)
.saturating_add(RocksDbWeight::get().reads(10_u64))
.saturating_add(RocksDbWeight::get().writes(10_u64))
// Measured: `0 + n * (522 ±0)`
// Estimated: `990 + n * (5218 ±0)`
// Minimum execution time: 935_000_000 picoseconds.
Weight::from_parts(947_000_000, 990)
// Standard Error: 46_904_620
.saturating_add(Weight::from_parts(218_275_862, 0).saturating_mul(n.into()))
.saturating_add(RocksDbWeight::get().reads((3_u64).saturating_mul(n.into())))
.saturating_add(RocksDbWeight::get().writes((3_u64).saturating_mul(n.into())))
.saturating_add(Weight::from_parts(0, 5218).saturating_mul(n.into()))
}
}