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Allow validators to block and kick their nominator set. (#7930)

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* Allow validators to block and kick their nominator set.

* migration

* Test

* Better migration

* Fixes

* cargo run --release --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

* Update frame/staking/src/lib.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

Co-authored-by: Parity Benchmarking Bot <admin@parity.io>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
This commit is contained in:
Gavin Wood
2021-01-20 12:29:10 +01:00
committed by GitHub
parent 970cc25cef
commit fb5f945a01
7 changed files with 331 additions and 138 deletions
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substrate/frame/staking/src/tests.rs
+26 -1
View File
@@ -364,6 +364,30 @@ fn staking_should_work() {
});
}
#[test]
fn blocking_and_kicking_works() {
ExtBuilder::default()
.minimum_validator_count(1)
.validator_count(4)
.nominate(true)
.num_validators(3)
.build()
.execute_with(|| {
// block validator 10/11
assert_ok!(Staking::validate(Origin::signed(10), ValidatorPrefs { blocked: true, .. Default::default() }));
// attempt to nominate from 100/101...
assert_ok!(Staking::nominate(Origin::signed(100), vec![11]));
// should have worked since we're already nominated them
assert_eq!(Nominators::<Test>::get(&101).unwrap().targets, vec![11]);
// kick the nominator
assert_ok!(Staking::kick(Origin::signed(10), vec![101]));
// should have been kicked now
assert!(Nominators::<Test>::get(&101).unwrap().targets.is_empty());
// attempt to nominate from 100/101...
assert_noop!(Staking::nominate(Origin::signed(100), vec![11]), Error::<Test>::BadTarget);
});
}
#[test]
fn less_than_needed_candidates_works() {
ExtBuilder::default()
@@ -403,7 +427,7 @@ fn no_candidate_emergency_condition() {
.execute_with(|| {
// initial validators
assert_eq_uvec!(validator_controllers(), vec![10, 20, 30, 40]);
let prefs = ValidatorPrefs { commission: Perbill::one() };
let prefs = ValidatorPrefs { commission: Perbill::one(), .. Default::default() };
<Staking as crate::Store>::Validators::insert(11, prefs.clone());
// set the minimum validator count.
@@ -971,6 +995,7 @@ fn validator_payment_prefs_work() {
let commission = Perbill::from_percent(40);
<Validators<Test>>::insert(&11, ValidatorPrefs {
commission: commission.clone(),
.. Default::default()
});
// Reward controller so staked ratio doesn't change.