ipld-eth-state-snapshot/cmd/stateSnapshot.go
2020-07-01 14:10:41 -05:00

74 lines
2.8 KiB
Go

// Copyright © 2020 Vulcanize, Inc
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"github.com/ethereum/go-ethereum/common"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/vulcanize/eth-pg-ipfs-state-snapshot/pkg/snapshot"
)
// stateSnapshotCmd represents the stateSnapshot command
var stateSnapshotCmd = &cobra.Command{
Use: "stateSnapshot",
Short: "Extract the entire Ethereum state from leveldb and publish into PG-IPFS",
Long: `A longer description that spans multiple lines and likely contains examples
and usage of using your command. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.`,
Run: func(cmd *cobra.Command, args []string) {
subCommand = cmd.CalledAs()
logWithCommand = *logrus.WithField("SubCommand", subCommand)
stateSnapshot()
},
}
func stateSnapshot() {
snapConfig := snapshot.Config{}
snapConfig.Init()
snapshotService, err := snapshot.NewSnapshotService(snapConfig)
if err != nil {
logWithCommand.Fatal(err)
}
height := viper.Get("snapshot.blockHeight")
uHeight, ok := height.(uint64)
if !ok {
logWithCommand.Fatal("snapshot.blockHeight needs to be a uint")
}
hashStr := viper.GetString("snapshot.blockHash")
hash := common.HexToHash(hashStr)
if err := snapshotService.CreateSnapshot(uHeight, hash); err != nil {
logWithCommand.Fatal(err)
}
logWithCommand.Infof("state snapshot for height %d and hash %s is complete", uHeight, hashStr)
}
func init() {
rootCmd.AddCommand(stateSnapshotCmd)
stateSnapshotCmd.PersistentFlags().String("leveldb-path", "", "path to leveldb")
stateSnapshotCmd.PersistentFlags().String("block-height", "", "blockheight to extract state at")
stateSnapshotCmd.PersistentFlags().String("block-hash", "", "blockhash to extract state at")
viper.BindPFlag("leveldb.path", stateSnapshotCmd.PersistentFlags().Lookup("leveldb-path"))
viper.BindPFlag("snapshot.blockHeight", stateSnapshotCmd.PersistentFlags().Lookup("block-height"))
viper.BindPFlag("snapshot.blockHash", stateSnapshotCmd.PersistentFlags().Lookup("block-hash"))
}