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fix: handle getDependentRoot() error when importing block #7552

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merged 1 commit into from
Mar 12, 2025
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fix: handle getDependentRoot() error when importing block #7552

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23 changes: 14 additions & 9 deletions packages/beacon-node/src/chain/blocks/importBlock.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -216,15 +216,20 @@ export async function importBlock(
// Set head state as strong reference
this.regen.updateHeadState(newHead, postState);

this.emitter.emit(routes.events.EventType.head, {
block: newHead.blockRoot,
epochTransition: computeStartSlotAtEpoch(computeEpochAtSlot(newHead.slot)) === newHead.slot,
slot: newHead.slot,
state: newHead.stateRoot,
previousDutyDependentRoot: this.forkChoice.getDependentRoot(newHead, EpochDifference.previous),
currentDutyDependentRoot: this.forkChoice.getDependentRoot(newHead, EpochDifference.current),
executionOptimistic: isOptimisticBlock(newHead),
});
try {
this.emitter.emit(routes.events.EventType.head, {
block: newHead.blockRoot,
epochTransition: computeStartSlotAtEpoch(computeEpochAtSlot(newHead.slot)) === newHead.slot,
slot: newHead.slot,
state: newHead.stateRoot,
previousDutyDependentRoot: this.forkChoice.getDependentRoot(newHead, EpochDifference.previous),
currentDutyDependentRoot: this.forkChoice.getDependentRoot(newHead, EpochDifference.current),
executionOptimistic: isOptimisticBlock(newHead),
});
} catch (e) {
// getDependentRoot() may fail with error: "No block for root" as we can see in holesky non-finality issue
this.logger.debug("Error emitting head event", {slot: newHead.slot, root: newHead.blockRoot}, e as Error);
}

const delaySec = this.clock.secFromSlot(newHead.slot);
this.logger.verbose("New chain head", {
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