mirror of
https://github.com/wealdtech/ethdo.git
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2c01d18195
Update parameter names to meet newer standards. Provide a fallback beacon node if none other supplied.
75 lines
2.2 KiB
Go
75 lines
2.2 KiB
Go
// Copyright © 2022 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 proposerduties
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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/pkg/errors"
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standardchaintime "github.com/wealdtech/ethdo/services/chaintime/standard"
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"github.com/wealdtech/ethdo/util"
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)
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func (c *command) process(ctx context.Context) error {
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// Obtain information we need to process.
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err := c.setup(ctx)
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if err != nil {
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return err
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}
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c.results.Epoch, err = util.ParseEpoch(ctx, c.chainTime, c.epoch)
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if err != nil {
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return errors.Wrap(err, "failed to parse epoch")
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}
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c.results.Duties, err = c.proposerDutiesProvider.ProposerDuties(ctx, c.results.Epoch, nil)
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if err != nil {
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return errors.Wrap(err, "failed to obtain proposer duties")
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}
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return nil
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}
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func (c *command) setup(ctx context.Context) error {
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var err error
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// Connect to the client.
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c.eth2Client, err = util.ConnectToBeaconNode(ctx, &util.ConnectOpts{
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Address: c.connection,
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Timeout: c.timeout,
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AllowInsecure: c.allowInsecureConnections,
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LogFallback: !c.quiet,
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})
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if err != nil {
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return errors.Wrap(err, "failed to connect to beacon node")
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}
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c.chainTime, err = standardchaintime.New(ctx,
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standardchaintime.WithSpecProvider(c.eth2Client.(eth2client.SpecProvider)),
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standardchaintime.WithGenesisTimeProvider(c.eth2Client.(eth2client.GenesisTimeProvider)),
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)
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if err != nil {
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return errors.Wrap(err, "failed to set up chaintime service")
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}
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var isProvider bool
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c.proposerDutiesProvider, isProvider = c.eth2Client.(eth2client.ProposerDutiesProvider)
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if !isProvider {
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return errors.New("connection does not provide proposer duties")
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}
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return nil
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}
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