mirror of
https://github.com/wealdtech/ethdo.git
synced 2026-01-08 21:48:05 -05:00
98 lines
2.6 KiB
Go
98 lines
2.6 KiB
Go
// Copyright © 2023 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 cmd
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import (
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"context"
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"encoding/json"
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"fmt"
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"sort"
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"time"
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eth2client "github.com/attestantio/go-eth2-client"
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"github.com/attestantio/go-eth2-client/spec/phase0"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/wealdtech/ethdo/util"
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)
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var chainSpecCmd = &cobra.Command{
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Use: "spec",
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Short: "Obtain specification for a chain",
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Long: `Obtain specification for a chain. For example:
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ethdo chain spec
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In quiet mode this will return 0 if the chain specification can be obtained, otherwise 1.`,
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Run: func(cmd *cobra.Command, args []string) {
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ctx := context.Background()
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eth2Client, err := util.ConnectToBeaconNode(ctx, &util.ConnectOpts{
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Address: viper.GetString("connection"),
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Timeout: viper.GetDuration("timeout"),
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AllowInsecure: viper.GetBool("allow-insecure-connections"),
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LogFallback: !viper.GetBool("quiet"),
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})
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errCheck(err, "Failed to connect to Ethereum consensus node")
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spec, err := eth2Client.(eth2client.SpecProvider).Spec(ctx)
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errCheck(err, "Failed to obtain chain specification")
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if viper.GetBool("quiet") {
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return
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}
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// Tweak the spec for output.
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for k, v := range spec {
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switch t := v.(type) {
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case phase0.Version:
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spec[k] = fmt.Sprintf("%#x", t)
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case phase0.DomainType:
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spec[k] = fmt.Sprintf("%#x", t)
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case time.Time:
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spec[k] = fmt.Sprintf("%d", t.Unix())
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case time.Duration:
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spec[k] = fmt.Sprintf("%d", uint64(t.Seconds()))
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case []byte:
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spec[k] = fmt.Sprintf("%#x", t)
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case uint64:
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spec[k] = fmt.Sprintf("%d", t)
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}
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}
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if viper.GetBool("json") {
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data, err := json.Marshal(spec)
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errCheck(err, "Failed to marshal JSON")
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fmt.Printf("%s\n", string(data))
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} else {
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keys := make([]string, 0, len(spec))
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for k := range spec {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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for _, key := range keys {
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fmt.Printf("%s: %v\n", key, spec[key])
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}
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}
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},
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}
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func init() {
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chainCmd.AddCommand(chainSpecCmd)
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chainFlags(chainSpecCmd)
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}
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func chainSpecBindings(_ *cobra.Command) {
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}
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