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Add Control to Growth of the Staking Pallet (#8920)

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* start count

* track count

* add max limit

* min bonds for participating

* respect min bond when unbonding

* revert a bit of u32

* fix merge

* more merge fixes

* update to `Current*`

* add helper functions

* Update frame/staking/src/lib.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* fix

* minbond as storage

* checkpoint

* chill_other

* better bond tracking

* MinBond to MinNominatorBond

* better doc

* use helper function

* oops

* simple hard limits to validators / nominators.

* better doc

* update storage version

* fix tests

* enable migrations

* min bond tests

* chill other tests

* tests for max cap

* check `None` on cap too

* benchmarks

* Update frame/staking/src/lib.rs

* Update frame/staking/src/lib.rs

Co-authored-by: Zeke Mostov <32168567+emostov@users.noreply.github.com>

* Update frame/staking/src/lib.rs

Co-authored-by: Zeke Mostov <32168567+emostov@users.noreply.github.com>

* Update frame/staking/src/tests.rs

Co-authored-by: Zeke Mostov <32168567+emostov@users.noreply.github.com>

* fix benchmark

* 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

* nits

* fix reap_stash benchmark

* remove lower bound to min bond

Co-authored-by: kianenigma <kian@parity.io>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
Co-authored-by: Parity Bot <admin@parity.io>
Co-authored-by: Zeke Mostov <32168567+emostov@users.noreply.github.com>
This commit is contained in:
Shawn Tabrizi
2021-06-16 05:57:14 +01:00
committed by GitHub
parent 58e837fcd3
commit 36ac9111dd
6 changed files with 734 additions and 290 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/staking/src/mock.rs
+24 -1
View File
@@ -242,6 +242,7 @@ impl onchain::Config for Test {
type Accuracy = Perbill;
type DataProvider = Staking;
}
impl Config for Test {
const MAX_NOMINATIONS: u32 = 16;
type Currency = Balances;
@@ -286,6 +287,8 @@ pub struct ExtBuilder {
invulnerables: Vec<AccountId>,
has_stakers: bool,
initialize_first_session: bool,
min_nominator_bond: Balance,
min_validator_bond: Balance,
}
impl Default for ExtBuilder {
@@ -300,6 +303,8 @@ impl Default for ExtBuilder {
invulnerables: vec![],
has_stakers: true,
initialize_first_session: true,
min_nominator_bond: ExistentialDeposit::get(),
min_validator_bond: ExistentialDeposit::get(),
}
}
}
@@ -361,7 +366,15 @@ impl ExtBuilder {
OFFSET.with(|v| *v.borrow_mut() = offset);
self
}
pub fn build(self) -> sp_io::TestExternalities {
pub fn min_nominator_bond(mut self, amount: Balance) -> Self {
self.min_nominator_bond = amount;
self
}
pub fn min_validator_bond(mut self, amount: Balance) -> Self {
self.min_validator_bond = amount;
self
}
fn build(self) -> sp_io::TestExternalities {
sp_tracing::try_init_simple();
let mut storage = frame_system::GenesisConfig::default()
.build_storage::<Test>()
@@ -434,6 +447,8 @@ impl ExtBuilder {
minimum_validator_count: self.minimum_validator_count,
invulnerables: self.invulnerables,
slash_reward_fraction: Perbill::from_percent(10),
min_nominator_bond: self.min_nominator_bond,
min_validator_bond: self.min_validator_bond,
..Default::default()
}
.assimilate_storage(&mut storage);
@@ -477,6 +492,14 @@ fn post_conditions() {
check_nominators();
check_exposures();
check_ledgers();
check_count();
}
fn check_count() {
let nominator_count = Nominators::<Test>::iter().count() as u32;
let validator_count = Validators::<Test>::iter().count() as u32;
assert_eq!(nominator_count, CurrentNominatorsCount::<Test>::get());
assert_eq!(validator_count, CurrentValidatorsCount::<Test>::get());
}
fn check_ledgers() {