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Merge remote-tracking branch 'origin/unstable' into tree-states

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This commit is contained in:
Michael Sproul
2022-02-02 16:02:33 +11:00
parent bda90573fa 0177b9286e
commit 8a15ad1c32
108 changed files with 4838 additions and 928 deletions
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37
consensus/state_processing/src/per_block_processing/altair/sync_committee.rs
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@@ -42,19 +42,7 @@ pub fn process_sync_aggregate<T: EthSpec>(
}
// Compute participant and proposer rewards
let total_active_balance = state.get_total_active_balance()?;
let total_active_increments =
total_active_balance.safe_div(spec.effective_balance_increment)?;
let total_base_rewards = get_base_reward_per_increment(total_active_balance, spec)?
.safe_mul(total_active_increments)?;
let max_participant_rewards = total_base_rewards
.safe_mul(SYNC_REWARD_WEIGHT)?
.safe_div(WEIGHT_DENOMINATOR)?
.safe_div(T::slots_per_epoch())?;
let participant_reward = max_participant_rewards.safe_div(T::SyncCommitteeSize::to_u64())?;
let proposer_reward = participant_reward
.safe_mul(PROPOSER_WEIGHT)?
.safe_div(WEIGHT_DENOMINATOR.safe_sub(PROPOSER_WEIGHT)?)?;
let (participant_reward, proposer_reward) = compute_sync_aggregate_rewards(state, spec)?;
// Apply participant and proposer rewards
let committee_indices = state.get_sync_committee_indices(&current_sync_committee)?;
@@ -73,3 +61,26 @@ pub fn process_sync_aggregate<T: EthSpec>(
Ok(())
}
/// Compute the `(participant_reward, proposer_reward)` for a sync aggregate.
///
/// The `state` should be the pre-state from the same slot as the block containing the aggregate.
pub fn compute_sync_aggregate_rewards<T: EthSpec>(
state: &BeaconState<T>,
spec: &ChainSpec,
) -> Result<(u64, u64), BlockProcessingError> {
let total_active_balance = state.get_total_active_balance()?;
let total_active_increments =
total_active_balance.safe_div(spec.effective_balance_increment)?;
let total_base_rewards = get_base_reward_per_increment(total_active_balance, spec)?
.safe_mul(total_active_increments)?;
let max_participant_rewards = total_base_rewards
.safe_mul(SYNC_REWARD_WEIGHT)?
.safe_div(WEIGHT_DENOMINATOR)?
.safe_div(T::slots_per_epoch())?;
let participant_reward = max_participant_rewards.safe_div(T::SyncCommitteeSize::to_u64())?;
let proposer_reward = participant_reward
.safe_mul(PROPOSER_WEIGHT)?
.safe_div(WEIGHT_DENOMINATOR.safe_sub(PROPOSER_WEIGHT)?)?;
Ok((participant_reward, proposer_reward))
}