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[package] | ||
name = "pallet-api" | ||
authors.workspace = true | ||
description = "Api pallet, enabling smart(er) contracts with the power of Polkadot" | ||
edition.workspace = true | ||
license.workspace = true | ||
version = "0.1.0" | ||
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[package.metadata.docs.rs] | ||
targets = ["x86_64-unknown-linux-gnu"] | ||
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[dependencies] | ||
codec.workspace = true | ||
scale-info.workspace = true | ||
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# Substrate | ||
frame-benchmarking.workspace = true | ||
frame-support.workspace = true | ||
frame-system.workspace = true | ||
pallet-assets.workspace = true | ||
sp-runtime.workspace = true | ||
sp-std.workspace = true | ||
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[dev-dependencies] | ||
pallet-balances.workspace = true | ||
sp-core.workspace = true | ||
sp-io.workspace = true | ||
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[features] | ||
default = ["std"] | ||
runtime-benchmarks = [ | ||
"frame-benchmarking/runtime-benchmarks", | ||
"frame-support/runtime-benchmarks", | ||
"frame-system/runtime-benchmarks", | ||
"pallet-assets/runtime-benchmarks", | ||
"sp-runtime/runtime-benchmarks", | ||
] | ||
std = [ | ||
"codec/std", | ||
"frame-benchmarking/std", | ||
"frame-support/std", | ||
"frame-system/std", | ||
"pallet-assets/std", | ||
"pallet-balances/std", | ||
"scale-info/std", | ||
"sp-core/std", | ||
"sp-io/std", | ||
"sp-runtime/std", | ||
"sp-std/std", | ||
] | ||
try-runtime = [ | ||
"frame-support/try-runtime", | ||
"frame-system/try-runtime", | ||
"sp-runtime/try-runtime", | ||
] |
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//! Benchmarking setup for pallet-api::fungibles | ||
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use super::{AccountIdOf, AssetIdOf, AssetsInstanceOf, AssetsOf, BalanceOf, Call, Config, Pallet}; | ||
use frame_benchmarking::{account, v2::*}; | ||
use frame_support::{ | ||
assert_ok, | ||
traits::{ | ||
fungibles::{ | ||
approvals::{Inspect as ApprovalInspect, Mutate}, | ||
Create, Inspect, | ||
}, | ||
Currency, | ||
}, | ||
}; | ||
use frame_system::RawOrigin; | ||
use sp_runtime::traits::Zero; | ||
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const SEED: u32 = 1; | ||
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// See if `generic_event` has been emitted. | ||
fn assert_has_event<T: Config>( | ||
generic_event: <T as pallet_assets::Config<AssetsInstanceOf<T>>>::RuntimeEvent, | ||
) { | ||
frame_system::Pallet::<T>::assert_has_event(generic_event.into()); | ||
} | ||
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#[benchmarks( | ||
where | ||
<pallet_assets::Pallet<T, AssetsInstanceOf<T>> as Inspect<<T as frame_system::Config>::AccountId>>::AssetId: Zero, | ||
)] | ||
mod benchmarks { | ||
use super::*; | ||
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// Parameter: | ||
// - 'a': whether `approve_transfer` is required. | ||
// - 'c': whether `cancel_approval` is required. | ||
#[benchmark] | ||
fn approve(a: Linear<0, 1>, c: Linear<0, 1>) -> Result<(), BenchmarkError> { | ||
let asset_id = AssetIdOf::<T>::zero(); | ||
let min_balance = <BalanceOf<T>>::from(1u32); | ||
let owner: AccountIdOf<T> = account("Alice", 0, SEED); | ||
let spender: AccountIdOf<T> = account("Bob", 0, SEED); | ||
let current_allowance = <BalanceOf<T>>::from(u32::MAX / 2); | ||
T::Currency::make_free_balance_be(&owner, u32::MAX.into()); | ||
// Set the `current_allowance`. | ||
assert_ok!(<AssetsOf<T> as Create<AccountIdOf<T>>>::create( | ||
asset_id.clone(), | ||
owner.clone(), | ||
true, | ||
min_balance | ||
)); | ||
assert_ok!(<AssetsOf<T> as Mutate<AccountIdOf<T>>>::approve( | ||
asset_id.clone(), | ||
&owner, | ||
&spender, | ||
current_allowance, | ||
)); | ||
let approval_value = match (a, c) { | ||
// Equal to the current allowance. | ||
(0, 0) => current_allowance, | ||
// Greater than the current allowance. | ||
(1, 0) => <BalanceOf<T>>::from(u32::MAX), | ||
// Zero. | ||
(0, 1) => <BalanceOf<T>>::from(0u32), | ||
// Smaller than the current allowance. | ||
(1, 1) => <BalanceOf<T>>::from(u32::MAX / 4), | ||
_ => unreachable!("values can only be 0 or 1"), | ||
}; | ||
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#[extrinsic_call] | ||
_(RawOrigin::Signed(owner.clone()), asset_id.clone(), spender.clone(), approval_value); | ||
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assert_eq!(AssetsOf::<T>::allowance(asset_id.clone(), &owner, &spender), approval_value); | ||
if c == 1 { | ||
assert_has_event::<T>( | ||
pallet_assets::Event::ApprovalCancelled { | ||
asset_id: asset_id.clone(), | ||
owner: owner.clone(), | ||
delegate: spender.clone(), | ||
} | ||
.into(), | ||
); | ||
} | ||
if a == 1 { | ||
let amount = match c { | ||
// When the allowance was cancelled and then approved with the new value. | ||
1 => approval_value, | ||
// When the allowance was increased. | ||
0 => approval_value - current_allowance, | ||
_ => unreachable!("`c` can only be 0 or 1"), | ||
}; | ||
assert_has_event::<T>( | ||
pallet_assets::Event::ApprovedTransfer { | ||
asset_id, | ||
source: owner, | ||
delegate: spender, | ||
amount, | ||
} | ||
.into(), | ||
); | ||
} | ||
Ok(()) | ||
} | ||
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impl_benchmark_test_suite!(Pallet, crate::mock::new_test_ext(), crate::mock::Test); | ||
} |
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