mirror of
https://github.com/wealdtech/ethdo.git
synced 2026-01-07 21:24:01 -05:00
103 lines
3.6 KiB
Go
103 lines
3.6 KiB
Go
// Copyright © 2020 - 2024 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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"fmt"
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"os"
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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/api"
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"github.com/attestantio/go-eth2-client/spec/bellatrix"
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spec "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 chainInfoCmd = &cobra.Command{
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Use: "info",
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Short: "Obtain information about a chain",
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Long: `Obtain information about a chain. For example:
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ethdo chain info
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In quiet mode this will return 0 if the chain information can be obtained, otherwise 1.`,
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Run: func(_ *cobra.Command, _ []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 2 beacon node")
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specResponse, err := eth2Client.(eth2client.SpecProvider).Spec(ctx, &api.SpecOpts{})
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errCheck(err, "Failed to obtain beacon chain specification")
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genesisResponse, err := eth2Client.(eth2client.GenesisProvider).Genesis(ctx, &api.GenesisOpts{})
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errCheck(err, "Failed to obtain beacon chain genesis")
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forkResponse, err := eth2Client.(eth2client.ForkProvider).Fork(ctx, &api.ForkOpts{State: "head"})
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errCheck(err, "Failed to obtain current fork")
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if viper.GetBool("quiet") {
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os.Exit(_exitSuccess)
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}
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if genesisResponse.Data.GenesisTime.Unix() == 0 {
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fmt.Println("Genesis time: undefined")
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} else {
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fmt.Printf("Genesis time: %s\n", genesisResponse.Data.GenesisTime.Format(time.UnixDate))
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outputIf(viper.GetBool("verbose"), fmt.Sprintf("Genesis timestamp: %v", genesisResponse.Data.GenesisTime.Unix()))
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}
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fmt.Printf("Genesis validators root: %#x\n", genesisResponse.Data.GenesisValidatorsRoot)
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fmt.Printf("Genesis fork version: %#x\n", specResponse.Data["GENESIS_FORK_VERSION"].(spec.Version))
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fmt.Printf("Current fork version: %#x\n", forkResponse.Data.CurrentVersion)
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if viper.GetBool("verbose") {
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forkData := &spec.ForkData{
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CurrentVersion: forkResponse.Data.CurrentVersion,
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GenesisValidatorsRoot: genesisResponse.Data.GenesisValidatorsRoot,
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}
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forkDataRoot, err := forkData.HashTreeRoot()
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if err == nil {
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var forkDigest spec.ForkDigest
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copy(forkDigest[:], forkDataRoot[:])
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fmt.Printf("Fork digest: %#x\n", forkDigest)
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}
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}
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fmt.Printf("Seconds per slot: %d\n", int(specResponse.Data["SECONDS_PER_SLOT"].(time.Duration).Seconds()))
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fmt.Printf("Slots per epoch: %d\n", specResponse.Data["SLOTS_PER_EPOCH"].(uint64))
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depositContractAddress := bellatrix.ExecutionAddress{}
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copy(depositContractAddress[:], specResponse.Data["DEPOSIT_CONTRACT_ADDRESS"].([]byte))
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fmt.Printf("Deposit contract address: %s\n", depositContractAddress.String())
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os.Exit(_exitSuccess)
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},
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}
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func init() {
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chainCmd.AddCommand(chainInfoCmd)
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chainFlags(chainInfoCmd)
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}
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func chainInfoBindings(_ *cobra.Command) {
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}
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