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Gloas spec v1.7.0-alpha.5 and beacon_chain tests (#8998)

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Fix database pruning post-Gloas


  - Fix DB pruning logic (and state summaries DAG)
- Get the `beacon_chain` tests running with `FORK_NAME=gloas` 🎉


Co-Authored-By: Michael Sproul <michael@sigmaprime.io>

Co-Authored-By: Jimmy Chen <jchen.tc@gmail.com>

Co-Authored-By: Eitan Seri- Levi <eserilev@gmail.com>

Co-Authored-By: dapplion <35266934+dapplion@users.noreply.github.com>

Co-Authored-By: Eitan Seri-Levi <eserilev@ucsc.edu>
This commit is contained in:
Michael Sproul
2026-04-21 16:29:15 +10:00
committed by GitHub
parent c028bac28d
commit cf3d5e285e
82 changed files with 1513 additions and 1391 deletions
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40
consensus/state_processing/src/genesis.rs
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@@ -167,9 +167,21 @@ pub fn initialize_beacon_state_from_eth1<E: EthSpec>(
// Remove intermediate Fulu fork from `state.fork`.
state.fork_mut().previous_version = spec.gloas_fork_version;
// Override latest execution payload header.
// Here's where we *would* clone the header but there is no header here so..
// TODO(EIP7732): check this
// The genesis block's bid must have block_hash = 0x00 per spec (empty payload).
// Retain the EL genesis hash in latest_block_hash and parent_block_hash so the
// first post-genesis proposer can build on the correct EL head.
let el_genesis_hash = state.latest_execution_payload_bid()?.block_hash;
let bid = state.latest_execution_payload_bid_mut()?;
bid.parent_block_hash = el_genesis_hash;
bid.block_hash = ExecutionBlockHash::default();
// Update latest_block_header to reflect the Gloas genesis block body which contains
// the EL genesis hash in the signed_execution_payload_bid. This is needed because
// BeaconState::new() created the header from BeaconBlock::empty() which has zero bid
// fields, but the spec requires the genesis block's bid to contain the EL block hash
// and the tree hash root of empty ExecutionRequests.
let block = genesis_block(&state, spec)?;
state.latest_block_header_mut().body_root = block.body_root();
}
// Now that we have our validators, initialize the caches (including the committees)
@@ -181,6 +193,28 @@ pub fn initialize_beacon_state_from_eth1<E: EthSpec>(
Ok(state)
}
/// Create an unsigned genesis `BeaconBlock` whose body matches the genesis state.
///
/// For Gloas, the block's `signed_execution_payload_bid` is populated from the state's
/// `latest_execution_payload_bid` so that the body root is consistent with
/// `state.latest_block_header.body_root`.
///
/// The returned block has `state_root == Hash256::ZERO`; callers that need the real
/// state root should set it themselves.
pub fn genesis_block<E: EthSpec>(
genesis_state: &BeaconState<E>,
spec: &ChainSpec,
) -> Result<BeaconBlock<E>, BeaconStateError> {
let mut block = BeaconBlock::empty(spec);
if let Ok(block) = block.as_gloas_mut() {
let state_bid = genesis_state.latest_execution_payload_bid()?;
let bid = &mut block.body.signed_execution_payload_bid.message;
bid.block_hash = state_bid.block_hash;
bid.execution_requests_root = state_bid.execution_requests_root;
}
Ok(block)
}
/// Determine whether a candidate genesis state is suitable for starting the chain.
pub fn is_valid_genesis_state<E: EthSpec>(state: &BeaconState<E>, spec: &ChainSpec) -> bool {
state