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Optimisations and bug fixes for state advance

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This commit is reasonably performant on Prater!
This commit is contained in:
Michael Sproul
2022-02-17 14:00:57 +11:00
parent f5dae9106e
commit 1db0e32bfb
13 changed files with 171 additions and 56 deletions
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15
consensus/state_processing/src/common/mod.rs
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@@ -24,8 +24,7 @@ pub fn increase_balance<E: EthSpec>(
index: usize,
delta: u64,
) -> Result<(), BeaconStateError> {
state.get_balance_mut(index)?.safe_add_assign(delta)?;
Ok(())
increase_balance_directly(state.get_balance_mut(index)?, delta)
}
/// Decrease the balance of a validator, saturating upon overflow, as per the spec.
@@ -34,7 +33,17 @@ pub fn decrease_balance<E: EthSpec>(
index: usize,
delta: u64,
) -> Result<(), BeaconStateError> {
let balance = state.get_balance_mut(index)?;
decrease_balance_directly(state.get_balance_mut(index)?, delta)
}
/// Increase the balance of a validator, erroring upon overflow, as per the spec.
pub fn increase_balance_directly(balance: &mut u64, delta: u64) -> Result<(), BeaconStateError> {
balance.safe_add_assign(delta)?;
Ok(())
}
/// Decrease the balance of a validator, saturating upon overflow, as per the spec.
pub fn decrease_balance_directly(balance: &mut u64, delta: u64) -> Result<(), BeaconStateError> {
*balance = balance.saturating_sub(delta);
Ok(())
}