mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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8c04ced1a6
* fixed epoch_processing * penalize->slash * exit -> voluntary_exit * SEED_LOOKAHEAD -> MIN_SEED_LOOKAHED * ENTRY_EXIT_DELAY -> ACTIVATION_EXIT_DELAY * `INCLUDER_REWARD_QUOTIENT` -> `ATTESTATION_INCLUSION_REWARD_QUOTIEN` * LatestIndexRoots -> LatestActiveIndexRoots * `MIN_VALIDATOR_WITHDRAWAL_EPOCHS` -> `MIN_VALIDATOR_WITHDRAWAL_DELAY` * MAX_WITHDRAWALS_PER_EPOCH -> MAX_EXIT_DEQUEUES_PER_EPOCH * ETH1_DATA_VOTING_PERIOD -> EPOCHS_PER_ETH1_VOTING_PERIOD * SLOT_DURATION -> SECONDS_PER_SLOT * EPOCH_LENGTH -> SLOTS_PER_EPOCH * SLOT_DURATION -> SECONDS_PER_SLOT take 2 * rest of the misc fixes for config name changes * remove tools/bootnode/.!74296!bootnode.go * `current_epoch_start_shard` -> `current_shuffling_start_shard`, `current_shuffling_epoch`, `current_shuffling_see` * go fmt * fixed comment * updated pseudocode comments * merged master
57 lines
1.7 KiB
Go
57 lines
1.7 KiB
Go
package helpers
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import (
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pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
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"github.com/prysmaticlabs/prysm/shared/params"
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)
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// SlotToEpoch returns the epoch number of the input slot.
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//
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// Spec pseudocode definition:
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// def slot_to_epoch(slot: SlotNumber) -> EpochNumber:
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// return slot // SLOTS_PER_EPOCH
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func SlotToEpoch(slot uint64) uint64 {
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return slot / params.BeaconConfig().SlotsPerEpoch
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}
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// CurrentEpoch returns the current epoch number calculated from
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// the slot number stored in beacon state.
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//
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// Spec pseudocode definition:
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// def get_current_epoch(state: BeaconState) -> EpochNumber:
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// return slot_to_epoch(state.slot)
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func CurrentEpoch(state *pb.BeaconState) uint64 {
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return SlotToEpoch(state.Slot)
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}
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// PrevEpoch returns the previous epoch number calculated from
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// the slot number stored in beacon state. It also checks for
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// underflow condition.
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func PrevEpoch(state *pb.BeaconState) uint64 {
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if SlotToEpoch(state.Slot) == 0 {
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return 0
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}
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return SlotToEpoch(state.Slot) - 1
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}
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// NextEpoch returns the next epoch number calculated form
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// the slot number stored in beacon state.
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func NextEpoch(state *pb.BeaconState) uint64 {
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return SlotToEpoch(state.Slot) + 1
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}
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// StartSlot returns the first slot number of the
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// current epoch.
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//
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// Spec pseudocode definition:
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// def get_epoch_start_slot(epoch: EpochNumber) -> SlotNumber:
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// return epoch * SLOTS_PER_EPOCH
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func StartSlot(epoch uint64) uint64 {
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return epoch * params.BeaconConfig().SlotsPerEpoch
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}
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// AttestationCurrentEpoch returns the current epoch referenced by the attestation.
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func AttestationCurrentEpoch(att *pb.AttestationData) uint64 {
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return SlotToEpoch(att.Slot)
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}
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