286 lines
8.1 KiB
Go
286 lines
8.1 KiB
Go
// Copyright 2014 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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// geth is the official command-line client for Ethereum.
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package main
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import (
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"fmt"
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"os"
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"runtime"
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"strings"
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"time"
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"github.com/ethereum/go-ethereum/accounts"
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"github.com/ethereum/go-ethereum/accounts/keystore"
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"github.com/ethereum/go-ethereum/cmd/utils"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/console"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/ethclient"
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"github.com/ethereum/go-ethereum/internal/debug"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/metrics"
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"github.com/ethereum/go-ethereum/node"
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"gopkg.in/urfave/cli.v1"
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)
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const (
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clientIdentifier = "geth" // Client identifier to advertise over the network
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)
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var (
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// Git SHA1 commit hash of the release (set via linker flags)
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gitCommit = ""
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// Ethereum address of the Geth release oracle.
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relOracle = common.HexToAddress("0xfa7b9770ca4cb04296cac84f37736d4041251cdf")
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// The app that holds all commands and flags.
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app = utils.NewApp(gitCommit, "the go-ethereum command line interface")
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// flags that configure the node
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nodeFlags = []cli.Flag{
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utils.IdentityFlag,
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utils.UnlockedAccountFlag,
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utils.PasswordFileFlag,
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utils.BootnodesFlag,
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utils.BootnodesV4Flag,
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utils.BootnodesV5Flag,
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utils.DataDirFlag,
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utils.KeyStoreDirFlag,
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utils.NoUSBFlag,
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utils.EthashCacheDirFlag,
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utils.EthashCachesInMemoryFlag,
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utils.EthashCachesOnDiskFlag,
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utils.EthashDatasetDirFlag,
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utils.EthashDatasetsInMemoryFlag,
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utils.EthashDatasetsOnDiskFlag,
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utils.TxPoolNoLocalsFlag,
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utils.TxPoolJournalFlag,
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utils.TxPoolRejournalFlag,
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utils.TxPoolPriceLimitFlag,
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utils.TxPoolPriceBumpFlag,
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utils.TxPoolAccountSlotsFlag,
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utils.TxPoolGlobalSlotsFlag,
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utils.TxPoolAccountQueueFlag,
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utils.TxPoolGlobalQueueFlag,
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utils.TxPoolLifetimeFlag,
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utils.FastSyncFlag,
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utils.LightModeFlag,
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utils.SyncModeFlag,
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utils.LightServFlag,
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utils.LightPeersFlag,
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utils.LightKDFFlag,
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utils.CacheFlag,
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utils.TrieCacheGenFlag,
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utils.ListenPortFlag,
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utils.MaxPeersFlag,
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utils.MaxPendingPeersFlag,
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utils.EtherbaseFlag,
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utils.GasPriceFlag,
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utils.MinerThreadsFlag,
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utils.MiningEnabledFlag,
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utils.TargetGasLimitFlag,
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utils.NATFlag,
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utils.NoDiscoverFlag,
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utils.DiscoveryV5Flag,
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utils.NetrestrictFlag,
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utils.NodeKeyFileFlag,
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utils.NodeKeyHexFlag,
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utils.DevModeFlag,
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utils.TestnetFlag,
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utils.RinkebyFlag,
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utils.VMEnableDebugFlag,
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utils.NetworkIdFlag,
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utils.RPCCORSDomainFlag,
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utils.EthStatsURLFlag,
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utils.MetricsEnabledFlag,
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utils.FakePoWFlag,
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utils.NoCompactionFlag,
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utils.GpoBlocksFlag,
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utils.GpoPercentileFlag,
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utils.ExtraDataFlag,
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configFileFlag,
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}
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rpcFlags = []cli.Flag{
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utils.RPCEnabledFlag,
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utils.RPCListenAddrFlag,
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utils.RPCPortFlag,
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utils.RPCApiFlag,
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utils.WSEnabledFlag,
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utils.WSListenAddrFlag,
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utils.WSPortFlag,
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utils.WSApiFlag,
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utils.WSAllowedOriginsFlag,
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utils.IPCDisabledFlag,
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utils.IPCPathFlag,
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}
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whisperFlags = []cli.Flag{
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utils.WhisperEnabledFlag,
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utils.WhisperMaxMessageSizeFlag,
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utils.WhisperMinPOWFlag,
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}
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)
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func init() {
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// Initialize the CLI app and start Geth
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app.Action = geth
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app.HideVersion = true // we have a command to print the version
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app.Copyright = "Copyright 2013-2017 The go-ethereum Authors"
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app.Commands = []cli.Command{
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// See chaincmd.go:
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initCommand,
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importCommand,
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exportCommand,
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removedbCommand,
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dumpCommand,
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// See monitorcmd.go:
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monitorCommand,
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// See accountcmd.go:
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accountCommand,
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walletCommand,
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// See consolecmd.go:
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consoleCommand,
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attachCommand,
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javascriptCommand,
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// See misccmd.go:
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makecacheCommand,
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makedagCommand,
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versionCommand,
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bugCommand,
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licenseCommand,
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// See config.go
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dumpConfigCommand,
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}
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app.Flags = append(app.Flags, nodeFlags...)
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app.Flags = append(app.Flags, rpcFlags...)
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app.Flags = append(app.Flags, consoleFlags...)
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app.Flags = append(app.Flags, debug.Flags...)
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app.Flags = append(app.Flags, whisperFlags...)
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app.Before = func(ctx *cli.Context) error {
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runtime.GOMAXPROCS(runtime.NumCPU())
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if err := debug.Setup(ctx); err != nil {
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return err
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}
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// Start system runtime metrics collection
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go metrics.CollectProcessMetrics(3 * time.Second)
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utils.SetupNetwork(ctx)
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return nil
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}
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app.After = func(ctx *cli.Context) error {
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debug.Exit()
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console.Stdin.Close() // Resets terminal mode.
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return nil
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}
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}
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func main() {
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if err := app.Run(os.Args); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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// geth is the main entry point into the system if no special subcommand is ran.
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// It creates a default node based on the command line arguments and runs it in
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// blocking mode, waiting for it to be shut down.
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func geth(ctx *cli.Context) error {
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node := makeFullNode(ctx)
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startNode(ctx, node)
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node.Wait()
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return nil
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}
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// startNode boots up the system node and all registered protocols, after which
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// it unlocks any requested accounts, and starts the RPC/IPC interfaces and the
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// miner.
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func startNode(ctx *cli.Context, stack *node.Node) {
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// Start up the node itself
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utils.StartNode(stack)
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// Unlock any account specifically requested
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ks := stack.AccountManager().Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore)
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passwords := utils.MakePasswordList(ctx)
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unlocks := strings.Split(ctx.GlobalString(utils.UnlockedAccountFlag.Name), ",")
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for i, account := range unlocks {
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if trimmed := strings.TrimSpace(account); trimmed != "" {
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unlockAccount(ctx, ks, trimmed, i, passwords)
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}
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}
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// Register wallet event handlers to open and auto-derive wallets
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events := make(chan accounts.WalletEvent, 16)
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stack.AccountManager().Subscribe(events)
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go func() {
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// Create an chain state reader for self-derivation
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rpcClient, err := stack.Attach()
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if err != nil {
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utils.Fatalf("Failed to attach to self: %v", err)
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}
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stateReader := ethclient.NewClient(rpcClient)
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// Open and self derive any wallets already attached
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for _, wallet := range stack.AccountManager().Wallets() {
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if err := wallet.Open(""); err != nil {
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log.Warn("Failed to open wallet", "url", wallet.URL(), "err", err)
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} else {
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wallet.SelfDerive(accounts.DefaultBaseDerivationPath, stateReader)
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}
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}
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// Listen for wallet event till termination
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for event := range events {
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if event.Arrive {
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if err := event.Wallet.Open(""); err != nil {
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log.Warn("New wallet appeared, failed to open", "url", event.Wallet.URL(), "err", err)
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} else {
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log.Info("New wallet appeared", "url", event.Wallet.URL(), "status", event.Wallet.Status())
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event.Wallet.SelfDerive(accounts.DefaultBaseDerivationPath, stateReader)
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}
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} else {
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log.Info("Old wallet dropped", "url", event.Wallet.URL())
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event.Wallet.Close()
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}
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}
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}()
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// Start auxiliary services if enabled
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if ctx.GlobalBool(utils.MiningEnabledFlag.Name) {
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// Mining only makes sense if a full Ethereum node is running
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var ethereum *eth.Ethereum
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if err := stack.Service(ðereum); err != nil {
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utils.Fatalf("ethereum service not running: %v", err)
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}
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// Use a reduced number of threads if requested
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if threads := ctx.GlobalInt(utils.MinerThreadsFlag.Name); threads > 0 {
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type threaded interface {
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SetThreads(threads int)
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}
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if th, ok := ethereum.Engine().(threaded); ok {
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th.SetThreads(threads)
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}
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}
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// Set the gas price to the limits from the CLI and start mining
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ethereum.TxPool().SetGasPrice(utils.GlobalBig(ctx, utils.GasPriceFlag.Name))
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if err := ethereum.StartMining(true); err != nil {
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utils.Fatalf("Failed to start mining: %v", err)
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}
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}
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}
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