mirror of
https://github.com/wealdtech/ethdo.git
synced 2026-04-22 03:00:10 -04:00
70 lines
2.1 KiB
Go
70 lines
2.1 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 attesterduties
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import (
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"context"
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eth2client "github.com/attestantio/go-eth2-client"
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"github.com/attestantio/go-eth2-client/api"
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apiv1 "github.com/attestantio/go-eth2-client/api/v1"
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spec "github.com/attestantio/go-eth2-client/spec/phase0"
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"github.com/pkg/errors"
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"github.com/wealdtech/ethdo/util"
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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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validator, err := util.ParseValidator(ctx, data.eth2Client.(eth2client.ValidatorsProvider), data.validator, "head")
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if err != nil {
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return nil, err
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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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duty, err := duty(ctx, data.eth2Client, validator, data.epoch)
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if err != nil {
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return nil, errors.Wrap(err, "failed to obtain duty for validator")
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}
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results.duty = duty
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return results, nil
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}
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func duty(ctx context.Context, eth2Client eth2client.Service, validator *apiv1.Validator, epoch spec.Epoch) (*apiv1.AttesterDuty, error) {
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// Find the attesting slot for the given epoch.
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dutiesResponse, err := eth2Client.(eth2client.AttesterDutiesProvider).AttesterDuties(ctx, &api.AttesterDutiesOpts{
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Epoch: epoch,
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Indices: []spec.ValidatorIndex{validator.Index},
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})
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if err != nil {
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return nil, errors.Wrap(err, "failed to obtain attester duties")
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}
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duties := dutiesResponse.Data
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if len(duties) == 0 {
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return nil, errors.New("validator does not have duty for that epoch")
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}
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return duties[0], nil
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}
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