plugeth/cmd/geth/main.go

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// Copyright 2014 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
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// 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/>.
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// geth is the official command-line client for Ethereum.
package main
import (
"encoding/hex"
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"fmt"
"os"
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"runtime"
"strings"
"time"
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"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/console"
"github.com/ethereum/go-ethereum/contracts/release"
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"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/internal/debug"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
"gopkg.in/urfave/cli.v1"
)
const (
clientIdentifier = "geth" // Client identifier to advertise over the network
)
var (
// Git SHA1 commit hash of the release (set via linker flags)
gitCommit = ""
// Ethereum address of the Geth release oracle.
relOracle = common.HexToAddress("0xfa7b9770ca4cb04296cac84f37736d4041251cdf")
// The app that holds all commands and flags.
app = utils.NewApp(gitCommit, "the go-ethereum command line interface")
)
func init() {
// Initialize the CLI app and start Geth
app.Action = geth
app.HideVersion = true // we have a command to print the version
app.Copyright = "Copyright 2013-2016 The go-ethereum Authors"
app.Commands = []cli.Command{
// See chaincmd.go:
initCommand,
importCommand,
exportCommand,
upgradedbCommand,
removedbCommand,
dumpCommand,
// See monitorcmd.go:
monitorCommand,
// See accountcmd.go:
accountCommand,
walletCommand,
// See consolecmd.go:
consoleCommand,
attachCommand,
javascriptCommand,
// See misccmd.go:
makedagCommand,
versionCommand,
licenseCommand,
}
app.Flags = []cli.Flag{
utils.IdentityFlag,
utils.UnlockedAccountFlag,
utils.PasswordFileFlag,
utils.BootnodesFlag,
utils.DataDirFlag,
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utils.KeyStoreDirFlag,
utils.FastSyncFlag,
utils.LightModeFlag,
utils.LightServFlag,
utils.LightPeersFlag,
utils.LightKDFFlag,
utils.CacheFlag,
utils.TrieCacheGenFlag,
utils.JSpathFlag,
utils.ListenPortFlag,
utils.MaxPeersFlag,
utils.MaxPendingPeersFlag,
utils.EtherbaseFlag,
utils.GasPriceFlag,
utils.MinerThreadsFlag,
utils.MiningEnabledFlag,
utils.AutoDAGFlag,
utils.TargetGasLimitFlag,
utils.NATFlag,
utils.NoDiscoverFlag,
utils.DiscoveryV5Flag,
utils.NetrestrictFlag,
utils.NodeKeyFileFlag,
utils.NodeKeyHexFlag,
utils.RPCEnabledFlag,
utils.RPCListenAddrFlag,
utils.RPCPortFlag,
utils.RPCApiFlag,
utils.WSEnabledFlag,
utils.WSListenAddrFlag,
utils.WSPortFlag,
utils.WSApiFlag,
utils.WSAllowedOriginsFlag,
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utils.IPCDisabledFlag,
utils.IPCApiFlag,
utils.IPCPathFlag,
utils.ExecFlag,
utils.PreloadJSFlag,
utils.WhisperEnabledFlag,
utils.DevModeFlag,
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utils.TestNetFlag,
utils.VMForceJitFlag,
utils.VMJitCacheFlag,
utils.VMEnableJitFlag,
utils.VMEnableDebugFlag,
utils.NetworkIdFlag,
utils.RPCCORSDomainFlag,
utils.EthStatsURLFlag,
utils.MetricsEnabledFlag,
utils.FakePoWFlag,
utils.SolcPathFlag,
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utils.GpoMinGasPriceFlag,
utils.GpoMaxGasPriceFlag,
utils.GpoFullBlockRatioFlag,
utils.GpobaseStepDownFlag,
utils.GpobaseStepUpFlag,
utils.GpobaseCorrectionFactorFlag,
utils.ExtraDataFlag,
}
app.Flags = append(app.Flags, debug.Flags...)
app.Before = func(ctx *cli.Context) error {
runtime.GOMAXPROCS(runtime.NumCPU())
if err := debug.Setup(ctx); err != nil {
return err
}
// Start system runtime metrics collection
go metrics.CollectProcessMetrics(3 * time.Second)
// This should be the only place where reporting is enabled
// because it is not intended to run while testing.
// In addition to this check, bad block reports are sent only
// for chains with the main network genesis block and network id 1.
eth.EnableBadBlockReporting = true
utils.SetupNetwork(ctx)
return nil
}
app.After = func(ctx *cli.Context) error {
debug.Exit()
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console.Stdin.Close() // Resets terminal mode.
return nil
}
}
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func main() {
if err := app.Run(os.Args); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
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// geth is the main entry point into the system if no special subcommand is ran.
// It creates a default node based on the command line arguments and runs it in
// blocking mode, waiting for it to be shut down.
func geth(ctx *cli.Context) error {
node := makeFullNode(ctx)
startNode(ctx, node)
node.Wait()
return nil
}
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func makeFullNode(ctx *cli.Context) *node.Node {
// Create the default extradata and construct the base node
var clientInfo = struct {
Version uint
Name string
GoVersion string
Os string
}{uint(params.VersionMajor<<16 | params.VersionMinor<<8 | params.VersionPatch), clientIdentifier, runtime.Version(), runtime.GOOS}
extra, err := rlp.EncodeToBytes(clientInfo)
if err != nil {
glog.V(logger.Warn).Infoln("error setting canonical miner information:", err)
}
if uint64(len(extra)) > params.MaximumExtraDataSize.Uint64() {
glog.V(logger.Warn).Infoln("error setting canonical miner information: extra exceeds", params.MaximumExtraDataSize)
glog.V(logger.Debug).Infof("extra: %x\n", extra)
extra = nil
}
stack := utils.MakeNode(ctx, clientIdentifier, gitCommit)
utils.RegisterEthService(ctx, stack, extra)
// Whisper must be explicitly enabled, but is auto-enabled in --dev mode.
shhEnabled := ctx.GlobalBool(utils.WhisperEnabledFlag.Name)
shhAutoEnabled := !ctx.GlobalIsSet(utils.WhisperEnabledFlag.Name) && ctx.GlobalIsSet(utils.DevModeFlag.Name)
if shhEnabled || shhAutoEnabled {
utils.RegisterShhService(stack)
}
// Add the Ethereum Stats daemon if requested
if url := ctx.GlobalString(utils.EthStatsURLFlag.Name); url != "" {
utils.RegisterEthStatsService(stack, url)
}
// Add the release oracle service so it boots along with node.
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
config := release.Config{
Oracle: relOracle,
Major: uint32(params.VersionMajor),
Minor: uint32(params.VersionMinor),
Patch: uint32(params.VersionPatch),
}
commit, _ := hex.DecodeString(gitCommit)
copy(config.Commit[:], commit)
return release.NewReleaseService(ctx, config)
}); err != nil {
utils.Fatalf("Failed to register the Geth release oracle service: %v", err)
}
return stack
}
// startNode boots up the system node and all registered protocols, after which
// it unlocks any requested accounts, and starts the RPC/IPC interfaces and the
// miner.
func startNode(ctx *cli.Context, stack *node.Node) {
// Start up the node itself
utils.StartNode(stack)
// Unlock any account specifically requested
accman := stack.AccountManager()
passwords := utils.MakePasswordList(ctx)
accounts := strings.Split(ctx.GlobalString(utils.UnlockedAccountFlag.Name), ",")
for i, account := range accounts {
if trimmed := strings.TrimSpace(account); trimmed != "" {
unlockAccount(ctx, accman, trimmed, i, passwords)
}
}
// Start auxiliary services if enabled
if ctx.GlobalBool(utils.MiningEnabledFlag.Name) {
var ethereum *eth.Ethereum
if err := stack.Service(&ethereum); err != nil {
utils.Fatalf("ethereum service not running: %v", err)
}
if err := ethereum.StartMining(ctx.GlobalInt(utils.MinerThreadsFlag.Name)); err != nil {
utils.Fatalf("Failed to start mining: %v", err)
}
}
}