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Add is_parent_strong proposer re-org check (#5417)

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* initial fork choice additions

* add helper fns

* add is_parent_strong

* Merge branch 'unstable' of https://github.com/sigp/lighthouse into add_is_parent_strong_check

* disabling proposer reorg should set parent_threshold to u64 max

* add new flag, is_parent_strong check in override fcu params

* cherry-pick changes

* Merge branch 'unstable' of https://github.com/sigp/lighthouse into add_is_parent_strong_check

* cleanup

* fmt

* Minor review tweaks
This commit is contained in:
Eitan Seri-Levi
2024-04-04 22:38:06 +03:00
committed by GitHub
parent 053525e281
commit ee69e14db9
16 changed files with 181 additions and 53 deletions
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12
beacon_node/beacon_chain/src/chain_config.rs
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@@ -3,7 +3,8 @@ use serde::{Deserialize, Serialize};
use std::time::Duration;
use types::{Checkpoint, Epoch};
pub const DEFAULT_RE_ORG_THRESHOLD: ReOrgThreshold = ReOrgThreshold(20);
pub const DEFAULT_RE_ORG_HEAD_THRESHOLD: ReOrgThreshold = ReOrgThreshold(20);
pub const DEFAULT_RE_ORG_PARENT_THRESHOLD: ReOrgThreshold = ReOrgThreshold(160);
pub const DEFAULT_RE_ORG_MAX_EPOCHS_SINCE_FINALIZATION: Epoch = Epoch::new(2);
/// Default to 1/12th of the slot, which is 1 second on mainnet.
pub const DEFAULT_RE_ORG_CUTOFF_DENOMINATOR: u32 = 12;
@@ -31,8 +32,10 @@ pub struct ChainConfig {
pub enable_lock_timeouts: bool,
/// The max size of a message that can be sent over the network.
pub max_network_size: usize,
/// Maximum percentage of committee weight at which to attempt re-orging the canonical head.
pub re_org_threshold: Option<ReOrgThreshold>,
/// Maximum percentage of the head committee weight at which to attempt re-orging the canonical head.
pub re_org_head_threshold: Option<ReOrgThreshold>,
/// Minimum percentage of the parent committee weight at which to attempt re-orging the canonical head.
pub re_org_parent_threshold: Option<ReOrgThreshold>,
/// Maximum number of epochs since finalization for attempting a proposer re-org.
pub re_org_max_epochs_since_finalization: Epoch,
/// Maximum delay after the start of the slot at which to propose a reorging block.
@@ -95,7 +98,8 @@ impl Default for ChainConfig {
reconstruct_historic_states: false,
enable_lock_timeouts: true,
max_network_size: 10 * 1_048_576, // 10M
re_org_threshold: Some(DEFAULT_RE_ORG_THRESHOLD),
re_org_head_threshold: Some(DEFAULT_RE_ORG_HEAD_THRESHOLD),
re_org_parent_threshold: Some(DEFAULT_RE_ORG_PARENT_THRESHOLD),
re_org_max_epochs_since_finalization: DEFAULT_RE_ORG_MAX_EPOCHS_SINCE_FINALIZATION,
re_org_cutoff_millis: None,
re_org_disallowed_offsets: DisallowedReOrgOffsets::default(),