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/*
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/>.
*/
/**
* @authors
* Jeffrey Wilcke <i@jev.io>
*/
package main
import (
"fmt"
"os"
"runtime"
"strconv"
"time"
"github.com/codegangsta/cli"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/state"
)
const (
ClientIdentifier = "Ethereum(G)"
Version = "0.8.6"
)
var (
clilogger = logger.NewLogger("CLI")
app = cli.NewApp()
)
func init() {
app.Version = Version
app.Usage = "the go-ethereum command-line client"
app.Action = run
app.HideVersion = true // we have a command to print the version
app.Commands = []cli.Command{
{
Action: version,
Name: "version",
Usage: "print ethereum version numbers",
Description: `
The output of this command is supposed to be machine-readable.
`,
},
{
Action: dump,
Name: "dump",
Usage: `dump a specific block from storage`,
Description: `
The arguments are interpreted as block numbers or hashes.
Use "ethereum dump 0" to dump the genesis block.
`,
},
{
Action: runjs,
Name: "js",
Usage: `interactive JavaScript console`,
Description: `
In the console, you can use the eth object to interact
with the running ethereum stack. The API does not match
ethereum.js.
A JavaScript file can be provided as the argument. The
runtime will execute the file and exit.
`,
},
{
Action: importchain,
Name: "import",
Usage: `import a blockchain file`,
},
}
app.Author = ""
app.Email = ""
app.Flags = []cli.Flag{
utils.BootnodesFlag,
utils.DataDirFlag,
utils.KeyRingFlag,
utils.KeyStoreFlag,
utils.ListenPortFlag,
utils.LogFileFlag,
utils.LogFormatFlag,
utils.LogLevelFlag,
utils.MaxPeersFlag,
utils.MinerThreadsFlag,
utils.MiningEnabledFlag,
utils.NATFlag,
utils.NodeKeyFileFlag,
utils.NodeKeyHexFlag,
utils.RPCEnabledFlag,
utils.RPCListenAddrFlag,
utils.RPCPortFlag,
utils.VMTypeFlag,
}
// missing:
// flag.StringVar(&ConfigFile, "conf", defaultConfigFile, "config file")
// flag.BoolVar(&DiffTool, "difftool", false, "creates output for diff'ing. Sets LogLevel=0")
// flag.StringVar(&DiffType, "diff", "all", "sets the level of diff output [vm, all]. Has no effect if difftool=false")
// potential subcommands:
// flag.StringVar(&SecretFile, "import", "", "imports the file given (hex or mnemonic formats)")
// flag.StringVar(&ExportDir, "export", "", "exports the session keyring to files in the directory given")
// flag.BoolVar(&GenAddr, "genaddr", false, "create a new priv/pub key")
}
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
defer logger.Flush()
utils.HandleInterrupt()
if err := app.Run(os.Args); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
func run(ctx *cli.Context) {
fmt.Printf("Welcome to the FRONTIER\n")
eth := utils.GetEthereum(ClientIdentifier, Version, ctx)
startEth(ctx, eth)
// this blocks the thread
eth.WaitForShutdown()
}
func runjs(ctx *cli.Context) {
eth := utils.GetEthereum(ClientIdentifier, Version, ctx)
startEth(ctx, eth)
if len(ctx.Args()) == 0 {
repl := newREPL(eth)
utils.RegisterInterrupt(func(os.Signal) { repl.Stop() })
repl.Start()
eth.WaitForShutdown()
} else if len(ctx.Args()) == 1 {
execJsFile(eth, ctx.Args()[0])
} else {
utils.Fatalf("This command can handle at most one argument.")
}
}
func startEth(ctx *cli.Context, eth *eth.Ethereum) {
utils.StartEthereum(eth)
if ctx.GlobalBool(utils.RPCEnabledFlag.Name) {
addr := ctx.GlobalString(utils.RPCListenAddrFlag.Name)
port := ctx.GlobalInt(utils.RPCPortFlag.Name)
utils.StartRpc(eth, addr, port)
}
if ctx.GlobalBool(utils.MiningEnabledFlag.Name) {
eth.Miner().Start()
}
}
func importchain(ctx *cli.Context) {
if len(ctx.Args()) != 1 {
utils.Fatalf("This command requires an argument.")
}
chain, _ := utils.GetChain(ctx)
start := time.Now()
err := utils.ImportChain(chain, ctx.Args().First())
if err != nil {
utils.Fatalf("Import error: %v\n", err)
}
fmt.Printf("Import done in", time.Since(start))
return
}
func dump(ctx *cli.Context) {
chain, db := utils.GetChain(ctx)
for _, arg := range ctx.Args() {
var block *types.Block
if hashish(arg) {
block = chain.GetBlock(ethutil.Hex2Bytes(arg))
} else {
num, _ := strconv.Atoi(arg)
block = chain.GetBlockByNumber(uint64(num))
}
if block == nil {
fmt.Println("{}")
utils.Fatalf("block not found")
} else {
statedb := state.New(block.Root(), db)
fmt.Printf("%s\n", statedb.Dump())
// fmt.Println(block)
}
}
}
// hashish returns true for strings that look like hashes.
func hashish(x string) bool {
_, err := strconv.Atoi(x)
return err != nil
}
func version(c *cli.Context) {
fmt.Printf(`%v %v
PV=%d
GOOS=%s
GO=%s
GOPATH=%s
GOROOT=%s
`, ClientIdentifier, Version, eth.ProtocolVersion, runtime.GOOS, runtime.Version(), os.Getenv("GOPATH"), runtime.GOROOT())
}
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