mirror of https://github.com/certusone/vouch.git
39 lines
1.4 KiB
Go
39 lines
1.4 KiB
Go
// Copyright © 2020 Attestant Limited.
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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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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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// 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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// SlotToEpoch provides the epoch of the given slot.
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SlotToEpoch(slot phase0.Slot) phase0.Epoch
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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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}
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