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This commit is contained in:
Michael Sproul
2022-02-08 09:48:48 +11:00
parent f6230a5143
commit 0c742aedff
17 changed files with 152 additions and 244 deletions
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10
consensus/state_processing/src/common/mod.rs
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@@ -16,7 +16,7 @@ pub use initiate_validator_exit::initiate_validator_exit;
pub use slash_validator::slash_validator;
use safe_arith::SafeArith;
use types::{BeaconState, BeaconStateError, EthSpec, GetBalanceMut};
use types::{BeaconState, BeaconStateError, EthSpec};
/// Increase the balance of a validator, erroring upon overflow, as per the spec.
pub fn increase_balance<E: EthSpec>(
@@ -24,10 +24,7 @@ pub fn increase_balance<E: EthSpec>(
index: usize,
delta: u64,
) -> Result<(), BeaconStateError> {
state
.balances_mut()
.get_balance_mut(index)?
.safe_add_assign(delta)?;
state.get_balance_mut(index)?.safe_add_assign(delta)?;
Ok(())
}
@@ -37,8 +34,7 @@ pub fn decrease_balance<E: EthSpec>(
index: usize,
delta: u64,
) -> Result<(), BeaconStateError> {
let mut balances = state.balances_mut();
let balance = balances.get_balance_mut(index)?;
let balance = state.get_balance_mut(index)?;
*balance = balance.saturating_sub(delta);
Ok(())
}