pezkuwichain/pezkuwi-subxt
1
0
Fork 0
mirror of https://github.com/pezkuwichain/pezkuwi-subxt.git synced 2026-05-30 17:31:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

Remove balancing iterations from OCW miners (#4995)

Browse Source 
* remove random balancing from unsigned solution

* tweak miner a bit

* add comments

* lower kusama staking limits

* Revert "lower kusama staking limits"

This reverts commit 8ccccbb65a97b78505ef71a796698bb067cc6ba0.

* Update utils/staking-miner/src/dry_run.rs

Co-authored-by: Niklas Adolfsson <niklasadolfsson1@gmail.com>

* last review

Co-authored-by: Niklas Adolfsson <niklasadolfsson1@gmail.com>
This commit is contained in:
Kian Paimani
2022-03-02 21:52:42 +00:00
committed by GitHub
parent 55e2ddd91c
commit 511344e86c
7 changed files with 30 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files
polkadot/runtime/common/src/elections.rs
-27
View File
@@ -66,33 +66,6 @@ pub type OnOnChainAccuracy = sp_runtime::Perbill;
pub type GenesisElectionOf<T> =
frame_election_provider_support::onchain::OnChainSequentialPhragmen<T>;
/// Maximum number of iterations for balancing that will be executed in the embedded miner of
/// pallet-election-provider-multi-phase.
pub const MINER_MAX_ITERATIONS: u32 = 10;
/// A source of random balance for the NPoS Solver, which is meant to be run by the off-chain worker
/// election miner.
pub struct OffchainRandomBalancing;
impl frame_support::pallet_prelude::Get<Option<(usize, sp_npos_elections::ExtendedBalance)>>
for OffchainRandomBalancing
{
fn get() -> Option<(usize, sp_npos_elections::ExtendedBalance)> {
use sp_runtime::{codec::Decode, traits::TrailingZeroInput};
let iters = match MINER_MAX_ITERATIONS {
0 => 0,
max @ _ => {
let seed = sp_io::offchain::random_seed();
let random = <u32>::decode(&mut TrailingZeroInput::new(&seed))
.expect("input is padded with zeroes; qed") %
max.saturating_add(1);
random as usize
},
};
Some((iters, 0))
}
}
/// Implementation of `frame_election_provider_support::SortedListProvider` that updates the
/// bags-list but uses [`pallet_staking::Nominators`] for `iter`. This is meant to be a transitionary
/// implementation for runtimes to "test" out the bags-list by keeping it up to date, but not yet