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130 lines
3.7 KiB
Go
130 lines
3.7 KiB
Go
// Copyright 2016 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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package main
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"runtime"
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"strconv"
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"strings"
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"github.com/ethereum/go-ethereum/cmd/utils"
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"github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/params"
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"gopkg.in/urfave/cli.v1"
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)
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var (
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makedagCommand = cli.Command{
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Action: makedag,
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Name: "makedag",
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Usage: "Generate ethash DAG (for testing)",
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ArgsUsage: "<blockNum> <outputDir>",
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Category: "MISCELLANEOUS COMMANDS",
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Description: `
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The makedag command generates an ethash DAG in /tmp/dag.
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This command exists to support the system testing project.
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Regular users do not need to execute it.
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`,
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}
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versionCommand = cli.Command{
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Action: version,
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Name: "version",
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Usage: "Print version numbers",
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ArgsUsage: " ",
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Category: "MISCELLANEOUS COMMANDS",
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Description: `
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The output of this command is supposed to be machine-readable.
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`,
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}
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licenseCommand = cli.Command{
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Action: license,
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Name: "license",
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Usage: "Display license information",
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ArgsUsage: " ",
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Category: "MISCELLANEOUS COMMANDS",
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}
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)
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func makedag(ctx *cli.Context) error {
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args := ctx.Args()
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wrongArgs := func() {
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utils.Fatalf(`Usage: geth makedag <block number> <outputdir>`)
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}
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switch {
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case len(args) == 2:
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blockNum, err := strconv.ParseUint(args[0], 0, 64)
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dir := args[1]
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if err != nil {
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wrongArgs()
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} else {
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dir = filepath.Clean(dir)
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// seems to require a trailing slash
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if !strings.HasSuffix(dir, "/") {
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dir = dir + "/"
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}
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_, err = ioutil.ReadDir(dir)
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if err != nil {
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utils.Fatalf("Can't find dir")
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}
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fmt.Println("making DAG, this could take awhile...")
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ethash.MakeDataset(blockNum, dir)
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}
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default:
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wrongArgs()
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}
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return nil
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}
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func version(ctx *cli.Context) error {
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fmt.Println(strings.Title(clientIdentifier))
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fmt.Println("Version:", params.Version)
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if gitCommit != "" {
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fmt.Println("Git Commit:", gitCommit)
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}
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fmt.Println("Architecture:", runtime.GOARCH)
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fmt.Println("Protocol Versions:", eth.ProtocolVersions)
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fmt.Println("Network Id:", ctx.GlobalInt(utils.NetworkIdFlag.Name))
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fmt.Println("Go Version:", runtime.Version())
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fmt.Println("Operating System:", runtime.GOOS)
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fmt.Printf("GOPATH=%s\n", os.Getenv("GOPATH"))
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fmt.Printf("GOROOT=%s\n", runtime.GOROOT())
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return nil
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}
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func license(_ *cli.Context) error {
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fmt.Println(`Geth 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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Geth 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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You should have received a copy of the GNU General Public License
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along with geth. If not, see <http://www.gnu.org/licenses/>.
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`)
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return nil
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}
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