pallet_xcm_benchmarks/generic/mod.rs
1// Copyright (C) Parity Technologies (UK) Ltd.
2// This file is part of Polkadot.
3
4// Polkadot is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8
9// Polkadot is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License
15// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
16
17pub use pallet::*;
18
19#[cfg(feature = "runtime-benchmarks")]
20pub mod benchmarking;
21#[cfg(test)]
22mod mock;
23
24#[frame_support::pallet]
25pub mod pallet {
26 use frame_benchmarking::BenchmarkError;
27 use frame_support::{dispatch::GetDispatchInfo, pallet_prelude::Encode};
28 use sp_runtime::traits::Dispatchable;
29 use xcm::latest::{
30 Asset, Assets, InteriorLocation, Junction, Location, NetworkId, Response, WeightLimit,
31 };
32
33 #[pallet::config]
34 pub trait Config<I: 'static = ()>: frame_system::Config + crate::Config {
35 type RuntimeCall: Dispatchable<RuntimeOrigin = Self::RuntimeOrigin>
36 + GetDispatchInfo
37 + From<frame_system::Call<Self>>
38 + Encode;
39
40 /// The type of `fungible` that is being used under the hood.
41 ///
42 /// This is useful for testing and checking.
43 type TransactAsset: frame_support::traits::fungible::Mutate<Self::AccountId>;
44
45 /// The response which causes the most runtime weight.
46 fn worst_case_response() -> (u64, Response);
47
48 /// The pair of asset collections which causes the most runtime weight if demanded to be
49 /// exchanged.
50 ///
51 /// The first element in the returned tuple represents the assets that are being exchanged
52 /// from, whereas the second element represents the assets that are being exchanged to.
53 ///
54 /// If set to `Err`, benchmarks which rely on an `exchange_asset` will be skipped.
55 fn worst_case_asset_exchange() -> Result<(Assets, Assets), BenchmarkError>;
56
57 /// A `(Location, Junction)` that is one of the `UniversalAliases` configured by the
58 /// XCM executor.
59 ///
60 /// If set to `Err`, benchmarks which rely on a universal alias will be skipped.
61 fn universal_alias() -> Result<(Location, Junction), BenchmarkError>;
62
63 /// The `Location` and `RuntimeCall` used for successful transaction XCMs.
64 ///
65 /// If set to `Err`, benchmarks which rely on a `transact_origin_and_runtime_call` will be
66 /// skipped.
67 fn transact_origin_and_runtime_call(
68 ) -> Result<(Location, <Self as crate::generic::Config<I>>::RuntimeCall), BenchmarkError>;
69
70 /// A valid `Location` we can successfully subscribe to.
71 ///
72 /// If set to `Err`, benchmarks which rely on a `subscribe_origin` will be skipped.
73 fn subscribe_origin() -> Result<Location, BenchmarkError>;
74
75 /// Return an origin, ticket, and assets that can be trapped and claimed.
76 fn claimable_asset() -> Result<(Location, Location, Assets), BenchmarkError>;
77
78 /// The worst case buy execution weight limit and
79 /// asset to trigger the Trader::buy_execution in the XCM executor
80 /// Used to buy weight in benchmarks, for example in
81 /// `refund_surplus`.
82 fn worst_case_for_trader() -> Result<(Asset, WeightLimit), BenchmarkError>;
83
84 /// Return an unlocker, owner and assets that can be locked and unlocked.
85 fn unlockable_asset() -> Result<(Location, Location, Asset), BenchmarkError>;
86
87 /// A `(Location, NetworkId, InteriorLocation)` we can successfully export message
88 /// to.
89 ///
90 /// If set to `Err`, benchmarks which rely on `export_message` will be skipped.
91 fn export_message_origin_and_destination(
92 ) -> Result<(Location, NetworkId, InteriorLocation), BenchmarkError>;
93
94 /// A `(Location, Location)` that is one of the `Aliasers` configured by the XCM
95 /// executor.
96 ///
97 /// If set to `Err`, benchmarks which rely on a universal alias will be skipped.
98 fn alias_origin() -> Result<(Location, Location), BenchmarkError>;
99
100 /// Returns a valid pallet info for `ExpectPallet` or `QueryPallet` benchmark.
101 ///
102 /// By default returns `frame_system::Pallet` info with expected pallet index `0`.
103 fn valid_pallet() -> frame_support::traits::PalletInfoData {
104 frame_support::traits::PalletInfoData {
105 index: <frame_system::Pallet<Self> as frame_support::traits::PalletInfoAccess>::index(),
106 name: <frame_system::Pallet<Self> as frame_support::traits::PalletInfoAccess>::name(),
107 module_name: <frame_system::Pallet<Self> as frame_support::traits::PalletInfoAccess>::module_name(),
108 crate_version: <frame_system::Pallet<Self> as frame_support::traits::PalletInfoAccess>::crate_version(),
109 }
110 }
111 }
112
113 #[pallet::pallet]
114 pub struct Pallet<T, I = ()>(_);
115}