mirror of
https://github.com/wealdtech/ethdo.git
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68 lines
3.0 KiB
Go
68 lines
3.0 KiB
Go
// Copyright © 2021 - 2023 Weald Technology Trading.
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package chaintime
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import (
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"time"
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"github.com/attestantio/go-eth2-client/spec/phase0"
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)
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// Service provides a number of functions for calculating chain-related times.
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//
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//nolint:interfacebloat
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type Service interface {
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// GenesisTime provides the time of the chain's genesis.
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GenesisTime() time.Time
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// SlotsPerEpoch provides the number of slots in the chain's epoch.
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SlotsPerEpoch() uint64
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// SlotDuration provides the duration of the chain's slot.
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SlotDuration() time.Duration
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// StartOfSlot provides the time at which a given slot starts.
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StartOfSlot(slot phase0.Slot) time.Time
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// StartOfEpoch provides the time at which a given epoch starts.
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StartOfEpoch(epoch phase0.Epoch) time.Time
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// CurrentSlot provides the current slot.
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CurrentSlot() phase0.Slot
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// CurrentEpoch provides the current epoch.
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CurrentEpoch() phase0.Epoch
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// CurrentSyncCommitteePeriod provides the current sync committee period.
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CurrentSyncCommitteePeriod() uint64
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// SlotToEpoch provides the epoch of the given slot.
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SlotToEpoch(slot phase0.Slot) phase0.Epoch
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// SlotToSyncCommitteePeriod provides the sync committee period of the given slot.
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SlotToSyncCommitteePeriod(slot phase0.Slot) uint64
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// FirstSlotOfEpoch provides the first slot of the given epoch.
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FirstSlotOfEpoch(epoch phase0.Epoch) phase0.Slot
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// LastSlotOfEpoch provides the last slot of the given epoch.
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LastSlotOfEpoch(epoch phase0.Epoch) phase0.Slot
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// TimestampToSlot provides the slot of the given timestamp.
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TimestampToSlot(timestamp time.Time) phase0.Slot
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// TimestampToEpoch provides the epoch of the given timestamp.
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TimestampToEpoch(timestamp time.Time) phase0.Epoch
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// FirstEpochOfSyncPeriod provides the first epoch of the given sync period.
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FirstEpochOfSyncPeriod(period uint64) phase0.Epoch
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// AltairInitialEpoch provides the epoch at which the Altair hard fork takes place.
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AltairInitialEpoch() phase0.Epoch
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// AltairInitialSyncCommitteePeriod provides the sync committee period in which the Altair hard fork takes place.
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AltairInitialSyncCommitteePeriod() uint64
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// CapellaInitialEpoch provides the epoch at which the Capella hard fork takes place.
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CapellaInitialEpoch() phase0.Epoch
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// DenebInitialEpoch provides the epoch at which the Deneb hard fork takes place.
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DenebInitialEpoch() phase0.Epoch
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// ElectraInitialEpoch provides the epoch at which the Electra hard fork takes place.
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ElectraInitialEpoch() phase0.Epoch
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}
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