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path: root/cmd/gdex/misccmd.go
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// 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/>.

package main

import (
    "fmt"
    "os"
    "runtime"
    "strconv"
    "strings"

    "github.com/dexon-foundation/dexon/cmd/utils"
    "github.com/dexon-foundation/dexon/consensus/ethash"
    "github.com/dexon-foundation/dexon/eth"
    "github.com/dexon-foundation/dexon/params"
    "gopkg.in/urfave/cli.v1"
)

var (
    makecacheCommand = cli.Command{
        Action:    utils.MigrateFlags(makecache),
        Name:      "makecache",
        Usage:     "Generate ethash verification cache (for testing)",
        ArgsUsage: "<blockNum> <outputDir>",
        Category:  "MISCELLANEOUS COMMANDS",
        Description: `
The makecache command generates an ethash cache in <outputDir>.

This command exists to support the system testing project.
Regular users do not need to execute it.
`,
    }
    makedagCommand = cli.Command{
        Action:    utils.MigrateFlags(makedag),
        Name:      "makedag",
        Usage:     "Generate ethash mining DAG (for testing)",
        ArgsUsage: "<blockNum> <outputDir>",
        Category:  "MISCELLANEOUS COMMANDS",
        Description: `
The makedag command generates an ethash DAG in <outputDir>.

This command exists to support the system testing project.
Regular users do not need to execute it.
`,
    }
    versionCommand = cli.Command{
        Action:    utils.MigrateFlags(version),
        Name:      "version",
        Usage:     "Print version numbers",
        ArgsUsage: " ",
        Category:  "MISCELLANEOUS COMMANDS",
        Description: `
The output of this command is supposed to be machine-readable.
`,
    }
    licenseCommand = cli.Command{
        Action:    utils.MigrateFlags(license),
        Name:      "license",
        Usage:     "Display license information",
        ArgsUsage: " ",
        Category:  "MISCELLANEOUS COMMANDS",
    }
)

// makecache generates an ethash verification cache into the provided folder.
func makecache(ctx *cli.Context) error {
    args := ctx.Args()
    if len(args) != 2 {
        utils.Fatalf(`Usage: gdex makecache <block number> <outputdir>`)
    }
    block, err := strconv.ParseUint(args[0], 0, 64)
    if err != nil {
        utils.Fatalf("Invalid block number: %v", err)
    }
    ethash.MakeCache(block, args[1])

    return nil
}

// makedag generates an ethash mining DAG into the provided folder.
func makedag(ctx *cli.Context) error {
    args := ctx.Args()
    if len(args) != 2 {
        utils.Fatalf(`Usage: gdex makedag <block number> <outputdir>`)
    }
    block, err := strconv.ParseUint(args[0], 0, 64)
    if err != nil {
        utils.Fatalf("Invalid block number: %v", err)
    }
    ethash.MakeDataset(block, args[1])

    return nil
}

func version(ctx *cli.Context) error {
    fmt.Println(strings.Title(clientIdentifier))
    fmt.Println("Version:", params.VersionWithMeta)
    if gitCommit != "" {
        fmt.Println("Git Commit:", gitCommit)
    }
    fmt.Println("Architecture:", runtime.GOARCH)
    fmt.Println("Protocol Versions:", eth.ProtocolVersions)
    fmt.Println("Network Id:", eth.DefaultConfig.NetworkId)
    fmt.Println("Go Version:", runtime.Version())
    fmt.Println("Operating System:", runtime.GOOS)
    fmt.Printf("GOPATH=%s\n", os.Getenv("GOPATH"))
    fmt.Printf("GOROOT=%s\n", runtime.GOROOT())
    return nil
}

func license(_ *cli.Context) error {
    fmt.Println(`Geth 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.

Geth 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 gdex. If not, see <http://www.gnu.org/licenses/>.`)
    return nil
}