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fix: update lean_head_slot metric on head slot update #163

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Merged
pablodeymo merged 2 commits into from
Feb 27, 2026
Merged

fix: update lean_head_slot metric on head slot update #163

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3911c58
fix: update head slot metric on head slot update
MegaRedHand Feb 27, 2026
620dadd
Merge branch 'main' into fix-head-slot-metric
pablodeymo Feb 27, 2026
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5 changes: 3 additions & 2 deletions crates/blockchain/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,8 @@ impl BlockChainServer {

// Update safe target slot metric (updated by store.on_tick at interval 2)
metrics::update_safe_target_slot(self.store.safe_target_slot());
// Update head slot metric (head may change when attestations are promoted at intervals 0/3)
metrics::update_head_slot(self.store.head_slot());
}

/// Returns the validator ID if any of our validators is the proposer for this slot.
Expand Down Expand Up @@ -275,9 +277,8 @@ impl BlockChainServer {
&mut self,
signed_block: SignedBlockWithAttestation,
) -> Result<(), StoreError> {
let slot = signed_block.message.block.slot;
store::on_block(&mut self.store, signed_block)?;
metrics::update_head_slot(slot);
metrics::update_head_slot(self.store.head_slot());
metrics::update_latest_justified_slot(self.store.latest_justified().slot);
metrics::update_latest_finalized_slot(self.store.latest_finalized().slot);
metrics::update_validators_count(self.key_manager.validator_ids().len() as u64);
Expand Down
7 changes: 7 additions & 0 deletions crates/storage/src/store.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -858,6 +858,13 @@ impl Store {

// ============ Derived Accessors ============

/// Returns the slot of the current head block.
pub fn head_slot(&self) -> u64 {
self.get_block_header(&self.head())
.expect("head block exists")
.slot
}

/// Returns the slot of the current safe target block.
pub fn safe_target_slot(&self) -> u64 {
self.get_block_header(&self.safe_target())
Expand Down