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The beacon.validator.entry_queue_latest model provides the estimated epoch and timestamp where a pending deposit from Beacon Chain is expected to be processed. It provides the estimated entry timestamp and hours to entry for a given validator. The estimated entry timestamp and epoch is based on the current churn rate, beacon chain deposit index of the validator and the amount of ETH in front of the validator. The outputs of the model is expected to vary around +/- 1-2 epochs. This model is derived from beacon.validator.balances_latest and beacon.raw.pending_deposits, and is updated approximately every 30 minutes.

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Schema

Column NameTypeDescription
epoch_numberbigintEpoch number of the state where the pending deposits to beacon chain is fetched.
slot_numberbigintSlot number of the state where the pending deposits to beacon chain is fetched.
slot_timestamptimestampSlot timestamp of the state where the pending deposits to beacon chain is fetched.
deposit_indexbigintDeposit index of the entry. This is based on the order of the deposits from Execution Layer to Beacon Chain.
deposit_slotbigintThe slot number where the deposit is made into beacon chain. For slot=0 (genesis slot), this corresponds to partial deposits with the validator exiting beacon chain.
pubkeystringThe validator’s BLS public key.
validator_indexbigint(Nullable) Unique index of the validator. Once a validator has been processed and added to the beacon state’s validators, the validator’s validator_index is defined by the index into the registry at which the ValidatorRecord contains the pubkey specified in the validator’s deposit.
statusstring(Nullable) Current status of the validator. Once a validator has been processed and added to the beacon state’s validators, the validator’s status is defined by the status of the ValidatorRecord in the beacon state.
exit_epochbigintEpoch when validator exited. This is 18446744073709551615 if the validator is still active in the network and has not exited yet.
eth_pendingnumericAmount of ETH that is pending for deposits for the validator at the current epoch.
eth_in_queuenumericThe total amount of ETH in front of the validator waiting to be processed for deposits.
epoch_to_entrybigintEstimated number of epochs to entry for deposits base on the current churn rate.
est_entry_epochbigintEstimated entry epoch number where the deposit is expected to be processed.
est_entry_timestamptimestampEstimated entry timestamp where the deposit is expected to be processed.
_pending_deposit_updated_attimestampTimestamp of the entry update for pending deposits.
_balances_latest_updated_attimestampTimestamp of the entry update for beacon state balances.

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Example Query

The following query fetches the estimated entry timestamp and hours to entry for a given validator. Note that not all validators will have an index if they are not met the activation eligibility epoch. 
SELECT
  pubkey,
  eth_pending,
  eth_in_queue,
  epoch_to_entry,
  est_entry_timestamp,
  datediff('hours', current_timestamp, est_entry_timestamp) as hours_to_entry
FROM beacon.validator.entry_queue_latest
WHERE pubkey in ('') -- Insert validator pubkey here
This query shows the top 5 validators with pending deposits, ordered by the amount of ETH in queue in front of them.
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