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runtime: remove randomness collective flip pallet (#3347)

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* runtime: remove randomness collective flip pallet

* add storage migration to remove key

Co-Authored-By: parity-processbot <>

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
This commit is contained in:
André Silva
2021-06-23 00:36:04 +01:00
committed by GitHub
parent 777499dc69
commit 6b408d1e38
12 changed files with 21 additions and 124 deletions
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polkadot/runtime/kusama/src/lib.rs
+7 -20
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@@ -192,8 +192,6 @@ impl frame_system::Config for Runtime {
type OnSetCode = ();
}
impl pallet_randomness_collective_flip::Config for Runtime {}
parameter_types! {
pub MaximumSchedulerWeight: Weight = Perbill::from_percent(80) *
BlockWeights::get().max_block;
@@ -1388,7 +1386,6 @@ construct_runtime! {
{
// Basic stuff; balances is uncallable initially.
System: frame_system::{Pallet, Call, Storage, Config, Event<T>} = 0,
RandomnessCollectiveFlip: pallet_randomness_collective_flip::{Pallet, Storage} = 32,
// Must be before session.
Babe: pallet_babe::{Pallet, Call, Storage, Config, ValidateUnsigned} = 1,
@@ -1509,28 +1506,18 @@ pub type Executive = frame_executive::Executive<
frame_system::ChainContext<Runtime>,
Runtime,
AllPallets,
SetStakingLimits,
RemoveCollectiveFlip,
>;
/// The payload being signed in the transactions.
pub type SignedPayload = generic::SignedPayload<Call, SignedExtra>;
pub struct SetStakingLimits;
impl frame_support::traits::OnRuntimeUpgrade for SetStakingLimits {
pub struct RemoveCollectiveFlip;
impl frame_support::traits::OnRuntimeUpgrade for RemoveCollectiveFlip {
fn on_runtime_upgrade() -> Weight {
// This will be the threshold needed henceforth to become a nominator. All nominators will
// less than this amount bonded are at the risk of being chilled by another reporter.
let min_nominator_bond = UNITS / 10;
// The absolute maximum number of nominators. This number is set rather conservatively, and
// is expected to increase soon after this runtime upgrade via another governance proposal.
// The current Polkadot state has more than 30_000 nominators, therefore no other nominator
// can join.
let max_nominators = 20_000;
<pallet_staking::MinNominatorBond<Runtime>>::put(min_nominator_bond);
<pallet_staking::MaxNominatorsCount<Runtime>>::put(max_nominators);
// we set no limits on validators for now.
<Runtime as frame_system::Config>::DbWeight::get().writes(2)
use frame_support::storage::migration;
// Remove the storage value `RandomMaterial` from removed pallet `RandomnessCollectiveFlip`
migration::remove_storage_prefix(b"RandomnessCollectiveFlip", b"RandomMaterial", b"");
<Runtime as frame_system::Config>::DbWeight::get().writes(1)
}
}