60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
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// Copyright 2019 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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// Command bzzhash computes a swarm tree hash.
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package main
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import (
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"context"
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"fmt"
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"os"
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"github.com/ethereum/go-ethereum/cmd/utils"
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"github.com/ethereum/go-ethereum/swarm/storage"
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"gopkg.in/urfave/cli.v1"
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)
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var hashesCommand = cli.Command{
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Action: hashes,
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CustomHelpTemplate: helpTemplate,
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Name: "hashes",
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Usage: "print all hashes of a file to STDOUT",
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ArgsUsage: "<file>",
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Description: "Prints all hashes of a file to STDOUT",
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}
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func hashes(ctx *cli.Context) {
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args := ctx.Args()
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if len(args) < 1 {
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utils.Fatalf("Usage: swarm hashes <file name>")
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}
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f, err := os.Open(args[0])
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if err != nil {
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utils.Fatalf("Error opening file " + args[1])
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}
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defer f.Close()
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fileStore := storage.NewFileStore(&storage.FakeChunkStore{}, storage.NewFileStoreParams())
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refs, err := fileStore.GetAllReferences(context.TODO(), f, false)
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if err != nil {
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utils.Fatalf("%v\n", err)
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} else {
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for _, r := range refs {
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fmt.Println(r.String())
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}
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}
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}
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