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https://github.com/sigp/lighthouse.git
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5687c56d51
Added Execution Payload from Rayonism Fork Updated new Containers to match Merge Spec Updated BeaconBlockBody for Merge Spec Completed updating BeaconState and BeaconBlockBody Modified ExecutionPayload<T> to use Transaction<T> Mostly Finished Changes for beacon-chain.md Added some things for fork-choice.md Update to match new fork-choice.md/fork.md changes ran cargo fmt Added Missing Pieces in eth2_libp2p for Merge fix ef test Various Changes to Conform Closer to Merge Spec
70 lines
2.4 KiB
Rust
70 lines
2.4 KiB
Rust
use crate::common::{decrease_balance, increase_balance, initiate_validator_exit};
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use safe_arith::SafeArith;
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use std::cmp;
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use types::{
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consts::altair::{PROPOSER_WEIGHT, WEIGHT_DENOMINATOR},
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BeaconStateError as Error, *,
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};
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/// Slash the validator with index `slashed_index`.
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pub fn slash_validator<T: EthSpec>(
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state: &mut BeaconState<T>,
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slashed_index: usize,
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opt_whistleblower_index: Option<usize>,
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spec: &ChainSpec,
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) -> Result<(), Error> {
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let epoch = state.current_epoch();
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initiate_validator_exit(state, slashed_index, spec)?;
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let validator = state.get_validator_mut(slashed_index)?;
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validator.slashed = true;
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validator.withdrawable_epoch = cmp::max(
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validator.withdrawable_epoch,
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epoch.safe_add(T::EpochsPerSlashingsVector::to_u64())?,
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);
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let validator_effective_balance = validator.effective_balance;
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state.set_slashings(
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epoch,
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state
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.get_slashings(epoch)?
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.safe_add(validator_effective_balance)?,
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)?;
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let min_slashing_penalty_quotient = match state {
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BeaconState::Base(_) => spec.min_slashing_penalty_quotient,
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BeaconState::Altair(_) | BeaconState::Merge(_) => spec.min_slashing_penalty_quotient_altair,
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};
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decrease_balance(
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state,
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slashed_index,
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validator_effective_balance.safe_div(min_slashing_penalty_quotient)?,
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)?;
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// Apply proposer and whistleblower rewards
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let proposer_index = state.get_beacon_proposer_index(state.slot(), spec)?;
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let whistleblower_index = opt_whistleblower_index.unwrap_or(proposer_index);
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let whistleblower_reward =
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validator_effective_balance.safe_div(spec.whistleblower_reward_quotient)?;
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let proposer_reward = match state {
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BeaconState::Base(_) => whistleblower_reward.safe_div(spec.proposer_reward_quotient)?,
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BeaconState::Altair(_) | BeaconState::Merge(_) => whistleblower_reward
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.safe_mul(PROPOSER_WEIGHT)?
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.safe_div(WEIGHT_DENOMINATOR)?,
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};
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// Ensure the whistleblower index is in the validator registry.
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if state.validators().get(whistleblower_index).is_none() {
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return Err(BeaconStateError::UnknownValidator(whistleblower_index));
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}
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increase_balance(state, proposer_index, proposer_reward)?;
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increase_balance(
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state,
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whistleblower_index,
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whistleblower_reward.safe_sub(proposer_reward)?,
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)?;
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Ok(())
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}
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