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pallet-staking: Add extrinsic force_apply_min_commission (#10786)

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* pallet-staking: Add extrinsic `force_apply_min_commission`

* Add benchmarks

* cargo run --quiet --profile=production  --features=runtime-benchmarks --manifest-path=bin/node/cli/Cargo.toml -- benchmark --chain=dev --steps=50 --repeat=20 --pallet=pallet_staking --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --output=./frame/staking/src/weights.rs --template=./.maintain/frame-weight-template.hbs

* Bound iteration by  max_validator_count

* cargo run --quiet --profile=production  --features=runtime-benchmarks --manifest-path=bin/node/cli/Cargo.toml -- benchmark --chain=dev --steps=50 --repeat=20 --pallet=pallet_staking --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --output=./frame/staking/src/weights.rs --template=./.maintain/frame-weight-template.hbs

* Only apply to 1 validator

* Update doc comments

* Uncomment tests

* cargo run --quiet --profile=production  --features=runtime-benchmarks --manifest-path=bin/node/cli/Cargo.toml -- benchmark --chain=dev --steps=50 --repeat=20 --pallet=pallet_staking --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --output=./frame/staking/src/weights.rs --template=./.maintain/frame-weight-template.hbs

* Accept signed origins

* cargo run --quiet --profile=production  --features=runtime-benchmarks --manifest-path=bin/node/cli/Cargo.toml -- benchmark --chain=dev --steps=50 --repeat=20 --pallet=pallet_staking --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --output=./frame/staking/src/weights.rs --template=./.maintain/frame-weight-template.hbs

* Remove contains_key check

* Add test for try_mutate_exists

* Impove try_mutate_exists docs

* Delete redundant try_mutate_exists tests;

* Delete residual from removed test

* cargo run --quiet --profile=production  --features=runtime-benchmarks --manifest-path=bin/node/cli/Cargo.toml -- benchmark --chain=dev --steps=50 --repeat=20 --pallet=pallet_staking --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --output=./frame/staking/src/weights.rs --template=./.maintain/frame-weight-template.hbs

* Return an error when the stash does not exist

* Update try_mutate_exist doc wording

* Update frame/staking/src/pallet/mod.rs

* Apply suggestions from code review

Co-authored-by: Parity Bot <admin@parity.io>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
This commit is contained in:
Zeke Mostov
2022-02-10 13:22:26 -08:00
committed by GitHub
parent 20b2bba1cd
commit 83eed8018b
10 changed files with 225 additions and 110 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/staking/src/benchmarking.rs
+29
View File
@@ -900,6 +900,35 @@ benchmarks! {
assert!(!T::SortedListProvider::contains(&stash));
}
force_apply_min_commission {
// Clean up any existing state
clear_validators_and_nominators::<T>();
// Create a validator with a commission of 50%
let (stash, controller) =
create_stash_controller::<T>(1, 1, RewardDestination::Staked)?;
let validator_prefs =
ValidatorPrefs { commission: Perbill::from_percent(50), ..Default::default() };
Staking::<T>::validate(RawOrigin::Signed(controller).into(), validator_prefs)?;
// Sanity check
assert_eq!(
Validators::<T>::get(&stash),
ValidatorPrefs { commission: Perbill::from_percent(50), ..Default::default() }
);
// Set the min commission to 75%
MinCommission::<T>::set(Perbill::from_percent(75));
let caller = whitelisted_caller();
}: _(RawOrigin::Signed(caller), stash.clone())
verify {
// The validators commission has been bumped to 75%
assert_eq!(
Validators::<T>::get(&stash),
ValidatorPrefs { commission: Perbill::from_percent(75), ..Default::default() }
);
}
impl_benchmark_test_suite!(
Staking,
crate::mock::ExtBuilder::default().has_stakers(true),