mirror of
https://github.com/wealdtech/ethdo.git
synced 2026-01-09 14:07:56 -05:00
62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
// Copyright © 2021 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 slottime
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import (
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"context"
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"strconv"
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"time"
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eth2client "github.com/attestantio/go-eth2-client"
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"github.com/pkg/errors"
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)
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func process(ctx context.Context, data *dataIn) (*dataOut, error) {
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if data == nil {
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return nil, errors.New("no data")
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}
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results := &dataOut{
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debug: data.debug,
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quiet: data.quiet,
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verbose: data.verbose,
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}
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slot, err := strconv.ParseInt(data.slot, 10, 64)
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if err != nil {
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return nil, errors.Wrap(err, "invalid slot specified")
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}
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if slot < 0 {
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return nil, errors.New("slot must be a positive integer")
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}
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genesisResponse, err := data.eth2Client.(eth2client.GenesisProvider).Genesis(ctx)
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if err != nil {
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return nil, errors.Wrap(err, "failed to obtain genesis information")
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}
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genesis := genesisResponse.Data
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specResponse, err := data.eth2Client.(eth2client.SpecProvider).Spec(ctx)
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if err != nil {
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return nil, errors.Wrap(err, "failed to obtain chain specifications")
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}
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slotDuration := specResponse.Data["SECONDS_PER_SLOT"].(time.Duration)
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results.startTime = genesis.GenesisTime.Add((time.Duration(slot*int64(slotDuration.Seconds())) * time.Second))
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results.endTime = results.startTime.Add(slotDuration)
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return results, nil
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}
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