github.com/devfans/go-ethereum@v1.5.10-0.20170326212234-7419d0c38291/cmd/swarm/cleandb.go (about)

     1  // Copyright 2016 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package main
    18  
    19  import (
    20  	"github.com/ethereum/go-ethereum/cmd/utils"
    21  	"github.com/ethereum/go-ethereum/swarm/storage"
    22  	"gopkg.in/urfave/cli.v1"
    23  )
    24  
    25  func cleandb(ctx *cli.Context) {
    26  	args := ctx.Args()
    27  	if len(args) != 1 {
    28  		utils.Fatalf("Need path to chunks database as the first and only argument")
    29  	}
    30  
    31  	chunkDbPath := args[0]
    32  	hash := storage.MakeHashFunc("SHA3")
    33  	dbStore, err := storage.NewDbStore(chunkDbPath, hash, 10000000, 0)
    34  	if err != nil {
    35  		utils.Fatalf("Cannot initialise dbstore: %v", err)
    36  	}
    37  	dbStore.Cleanup()
    38  }