mirror of
https://github.com/wealdtech/ethdo.git
synced 2026-01-08 21:48:05 -05:00
112 lines
3.7 KiB
Go
112 lines
3.7 KiB
Go
// Copyright © 2019, 2020 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 validatorduties
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import (
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"context"
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"fmt"
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"strings"
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"time"
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api "github.com/attestantio/go-eth2-client/api/v1"
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"github.com/pkg/errors"
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)
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type dataOut struct {
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debug bool
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quiet bool
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verbose bool
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genesisTime time.Time
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slotDuration time.Duration
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slotsPerEpoch uint64
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thisEpochAttesterDuty *api.AttesterDuty
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thisEpochProposerDuties []*api.ProposerDuty
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nextEpochAttesterDuty *api.AttesterDuty
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}
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func output(_ context.Context, data *dataOut) (string, error) {
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if data == nil {
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return "", errors.New("no data")
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}
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if data.quiet {
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return "", nil
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}
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builder := strings.Builder{}
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now := time.Now()
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builder.WriteString("Current time: ")
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builder.WriteString(now.Format("15:04:05\n"))
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if data.thisEpochAttesterDuty != nil {
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thisEpochAttesterSlot := data.thisEpochAttesterDuty.Slot
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thisSlotStart := data.genesisTime.Add(time.Duration(thisEpochAttesterSlot) * data.slotDuration)
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thisSlotEnd := thisSlotStart.Add(data.slotDuration)
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if thisSlotEnd.After(now) {
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builder.WriteString("Upcoming attestation slot this epoch: ")
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builder.WriteString(thisSlotStart.Format("15:04:05"))
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builder.WriteString(" - ")
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builder.WriteString(thisSlotEnd.Format("15:04:05 ("))
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until := thisSlotStart.Sub(now)
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if until > 0 {
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builder.WriteString(fmt.Sprintf("%ds until start of slot)\n", int(until.Seconds())))
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} else {
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builder.WriteString("\n")
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}
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}
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}
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for _, proposerDuty := range data.thisEpochProposerDuties {
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proposerSlot := proposerDuty.Slot
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proposerSlotStart := data.genesisTime.Add(time.Duration(proposerSlot) * data.slotDuration)
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proposerSlotEnd := proposerSlotStart.Add(data.slotDuration)
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builder.WriteString("Upcoming proposer slot this epoch: ")
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builder.WriteString(proposerSlotStart.Format("15:04:05"))
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builder.WriteString(" - ")
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builder.WriteString(proposerSlotEnd.Format("15:04:05 ("))
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until := proposerSlotStart.Sub(now)
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if until > 0 {
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builder.WriteString(fmt.Sprintf("%ds until start of slot)\n", int(until.Seconds())))
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} else {
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builder.WriteString("\n")
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}
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}
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if data.nextEpochAttesterDuty != nil {
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nextEpochAttesterSlot := data.nextEpochAttesterDuty.Slot
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nextSlotStart := data.genesisTime.Add(time.Duration(nextEpochAttesterSlot) * data.slotDuration)
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nextSlotEnd := nextSlotStart.Add(data.slotDuration)
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builder.WriteString("Upcoming attestation slot next epoch: ")
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builder.WriteString(nextSlotStart.Format("15:04:05"))
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builder.WriteString(" - ")
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builder.WriteString(nextSlotEnd.Format("15:04:05 ("))
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until := nextSlotStart.Sub(now)
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builder.WriteString(fmt.Sprintf("%ds until start of slot)\n", int(until.Seconds())))
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nextEpoch := uint64(data.nextEpochAttesterDuty.Slot) / data.slotsPerEpoch
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nextEpochStart := data.genesisTime.Add(time.Duration(nextEpoch*data.slotsPerEpoch) * data.slotDuration)
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builder.WriteString("Next epoch starts ")
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builder.WriteString(nextEpochStart.Format("15:04:05 ("))
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until = nextEpochStart.Sub(now)
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if until > 0 {
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builder.WriteString(fmt.Sprintf("%ds until start of epoch)\n", int(until.Seconds())))
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} else {
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builder.WriteString("\n")
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}
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}
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return builder.String(), nil
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}
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