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caches staked nodes computed from vote-accounts (#13929)

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This commit is contained in:
behzad nouri
2020-12-17 21:22:50 +00:00
committed by GitHub
parent fd7d2f82ae
commit d6d76219b6
11 changed files with 367 additions and 78 deletions
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5
ledger/src/leader_schedule_utils.rs
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@@ -1,5 +1,4 @@
use crate::leader_schedule::LeaderSchedule;
use crate::staking_utils;
use solana_runtime::bank::Bank;
use solana_sdk::{
clock::{Epoch, Slot, NUM_CONSECUTIVE_LEADER_SLOTS},
@@ -8,7 +7,7 @@ use solana_sdk::{
/// Return the leader schedule for the given epoch.
pub fn leader_schedule(epoch: Epoch, bank: &Bank) -> Option<LeaderSchedule> {
staking_utils::staked_nodes_at_epoch(bank, epoch).map(|stakes| {
bank.epoch_staked_nodes(epoch).map(|stakes| {
let mut seed = [0u8; 32];
seed[0..8].copy_from_slice(&epoch.to_le_bytes());
let mut stakes: Vec<_> = stakes.into_iter().collect();
@@ -66,7 +65,7 @@ mod tests {
.genesis_config;
let bank = Bank::new(&genesis_config);
let pubkeys_and_stakes: Vec<_> = staking_utils::staked_nodes(&bank).into_iter().collect();
let pubkeys_and_stakes: Vec<_> = bank.staked_nodes().into_iter().collect();
let seed = [0u8; 32];
let leader_schedule = LeaderSchedule::new(
&pubkeys_and_stakes,