mirror of
https://github.com/wealdtech/ethdo.git
synced 2026-01-07 21:24:01 -05:00
66 lines
2.0 KiB
Go
66 lines
2.0 KiB
Go
// Copyright © 2025 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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"fmt"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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blocktrail "github.com/wealdtech/ethdo/cmd/block/trail"
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)
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var blockTrailCmd = &cobra.Command{
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Use: "trail",
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Short: "Trail back in the chain from a given block.",
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Long: `Trail back in the chain for a given block. For example:
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ethdo block trail --blockid=12345 --target=finalized
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In quiet mode this will return 0 if the block trail ends up at the finalized state, otherwise 1.`,
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RunE: func(cmd *cobra.Command, _ []string) error {
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res, err := blocktrail.Run(cmd)
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if err != nil {
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return err
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}
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if viper.GetBool("quiet") {
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return nil
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}
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if res != "" {
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fmt.Println(res)
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}
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return nil
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},
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}
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func init() {
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blockCmd.AddCommand(blockTrailCmd)
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blockFlags(blockTrailCmd)
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blockTrailCmd.Flags().String("blockid", "head", "the ID of the block to fetch")
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blockTrailCmd.Flags().String("target", "justified", "the target block (block number, hash, justified or finalized)")
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blockTrailCmd.Flags().Int("max-blocks", 16384, "the maximum number of blocks to look at before halting")
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}
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func blockTrailBindings(cmd *cobra.Command) {
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if err := viper.BindPFlag("blockid", cmd.Flags().Lookup("blockid")); err != nil {
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panic(err)
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}
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if err := viper.BindPFlag("target", cmd.Flags().Lookup("target")); err != nil {
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panic(err)
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}
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if err := viper.BindPFlag("max-blocks", cmd.Flags().Lookup("max-blocks")); err != nil {
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panic(err)
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}
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}
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