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Gloas bid and preference verification (#9036)

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Gossip verify and cache bids and proposer preferences. This PR also ensures we subscribe to new fork topics one epoch early instead of two slots early. This is required for proposer preferences.


  


Co-Authored-By: Eitan Seri- Levi <eserilev@gmail.com>
This commit is contained in:
Eitan Seri-Levi
2026-04-15 01:39:59 +09:00
committed by GitHub
parent 8c8facd0cd
commit b40a178111
19 changed files with 2267 additions and 79 deletions
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24
consensus/state_processing/src/per_block_processing.rs
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@@ -531,26 +531,6 @@ pub fn compute_timestamp_at_slot<E: EthSpec>(
.and_then(|since_genesis| state.genesis_time().safe_add(since_genesis))
}
pub fn can_builder_cover_bid<E: EthSpec>(
state: &BeaconState<E>,
builder_index: BuilderIndex,
builder: &Builder,
bid_amount: u64,
spec: &ChainSpec,
) -> Result<bool, BlockProcessingError> {
let builder_balance = builder.balance;
let pending_withdrawals_amount =
state.get_pending_balance_to_withdraw_for_builder(builder_index)?;
let min_balance = spec
.min_deposit_amount
.safe_add(pending_withdrawals_amount)?;
if builder_balance < min_balance {
Ok(false)
} else {
Ok(builder_balance.safe_sub(min_balance)? >= bid_amount)
}
}
pub fn process_execution_payload_bid<E: EthSpec, Payload: AbstractExecPayload<E>>(
state: &mut BeaconState<E>,
block: BeaconBlockRef<'_, E, Payload>,
@@ -579,13 +559,13 @@ pub fn process_execution_payload_bid<E: EthSpec, Payload: AbstractExecPayload<E>
// Verify that the builder is active
block_verify!(
builder.is_active_at_finalized_epoch(state.finalized_checkpoint().epoch, spec),
state.is_active_builder(builder_index, spec)?,
ExecutionPayloadBidInvalid::BuilderNotActive(builder_index).into()
);
// Verify that the builder has funds to cover the bid
block_verify!(
can_builder_cover_bid(state, builder_index, builder, amount, spec)?,
state.can_builder_cover_bid(builder_index, amount, spec)?,
ExecutionPayloadBidInvalid::InsufficientBalance {
builder_index,
builder_balance: builder.balance,