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Make proposer duties work pre-genesis (#4789)

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* Make proposer duties work pre-genesis
This commit is contained in:
Michael Sproul
2024-07-23 12:22:22 +10:00
committed by GitHub
parent bca732e19d
commit 9ac647c0b5
1 changed files with 15 additions and 6 deletions
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21
beacon_node/http_api/src/proposer_duties.rs
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@@ -22,7 +22,10 @@ pub fn proposer_duties<T: BeaconChainTypes>(
log: &Logger,
) -> Result<ApiDuties, warp::reject::Rejection> {
let current_epoch = chain
.epoch()
.slot_clock
.now_or_genesis()
.map(|slot| slot.epoch(T::EthSpec::slots_per_epoch()))
.ok_or(BeaconChainError::UnableToReadSlot)
.map_err(warp_utils::reject::beacon_chain_error)?;
// Determine what the current epoch would be if we fast-forward our system clock by
@@ -31,11 +34,17 @@ pub fn proposer_duties<T: BeaconChainTypes>(
// Most of the time, `tolerant_current_epoch` will be equal to `current_epoch`. However, during
// the first `MAXIMUM_GOSSIP_CLOCK_DISPARITY` duration of the epoch `tolerant_current_epoch`
// will equal `current_epoch + 1`
let tolerant_current_epoch = chain
.slot_clock
.now_with_future_tolerance(chain.spec.maximum_gossip_clock_disparity())
.ok_or_else(|| warp_utils::reject::custom_server_error("unable to read slot clock".into()))?
.epoch(T::EthSpec::slots_per_epoch());
let tolerant_current_epoch = if chain.slot_clock.is_prior_to_genesis().unwrap_or(true) {
current_epoch
} else {
chain
.slot_clock
.now_with_future_tolerance(chain.spec.maximum_gossip_clock_disparity())
.ok_or_else(|| {
warp_utils::reject::custom_server_error("unable to read slot clock".into())
})?
.epoch(T::EthSpec::slots_per_epoch())
};
if request_epoch == current_epoch || request_epoch == tolerant_current_epoch {
// If we could consider ourselves in the `request_epoch` when allowing for clock disparity