mirror of https://github.com/status-im/op-geth.git
59 lines
1.7 KiB
Go
59 lines
1.7 KiB
Go
// Copyright 2016 The go-ethereum Authors
|
|
// This file is part of go-ethereum.
|
|
//
|
|
// go-ethereum is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// go-ethereum 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 General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
// Command bzzhash computes a swarm tree hash.
|
|
package main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/ethereum/go-ethereum/cmd/utils"
|
|
"github.com/ethereum/go-ethereum/swarm/storage"
|
|
"gopkg.in/urfave/cli.v1"
|
|
)
|
|
|
|
var hashCommand = cli.Command{
|
|
Action: hash,
|
|
CustomHelpTemplate: helpTemplate,
|
|
Name: "hash",
|
|
Usage: "print the swarm hash of a file or directory",
|
|
ArgsUsage: "<file>",
|
|
Description: "Prints the swarm hash of file or directory",
|
|
}
|
|
|
|
func hash(ctx *cli.Context) {
|
|
args := ctx.Args()
|
|
if len(args) < 1 {
|
|
utils.Fatalf("Usage: swarm hash <file name>")
|
|
}
|
|
f, err := os.Open(args[0])
|
|
if err != nil {
|
|
utils.Fatalf("Error opening file " + args[1])
|
|
}
|
|
defer f.Close()
|
|
|
|
stat, _ := f.Stat()
|
|
fileStore := storage.NewFileStore(&storage.FakeChunkStore{}, storage.NewFileStoreParams())
|
|
addr, _, err := fileStore.Store(context.TODO(), f, stat.Size(), false)
|
|
if err != nil {
|
|
utils.Fatalf("%v\n", err)
|
|
} else {
|
|
fmt.Printf("%v\n", addr)
|
|
}
|
|
}
|