312263c7d9
The account manager was previously created by packge cmd/utils as part of flag processing and then passed down into eth.Ethereum through its config struct. Since we are starting to create nodes which do not have eth.Ethereum as a registered service, the code was rearranged to register the account manager as its own service. Making it a service is ugly though and it doesn't really fix the root cause: creating nodes without eth.Ethereum requires duplicating lots of code. This commit splits utils.MakeSystemNode into three functions, making creation of other node/service configurations easier. It also moves the account manager into Node so it can be used by those configurations without requiring package eth.
411 lines
12 KiB
Go
411 lines
12 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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"encoding/hex"
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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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"time"
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"github.com/ethereum/ethash"
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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/core"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/ethdb"
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"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"
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"github.com/ethereum/go-ethereum/metrics"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/release"
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"github.com/ethereum/go-ethereum/rlp"
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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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versionMajor = 1 // Major version component of the current release
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versionMinor = 5 // Minor version component of the current release
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versionPatch = 0 // Patch version component of the current release
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versionMeta = "unstable" // Version metadata to append to the version string
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versionOracle = "0xfa7b9770ca4cb04296cac84f37736d4041251cdf" // Ethereum address of the Geth release oracle
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)
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var (
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gitCommit string // Git SHA1 commit hash of the release (set via linker flags)
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verString string // Combined textual representation of all the version components
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relConfig release.Config // Structured version information and release oracle config
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app *cli.App
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)
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func init() {
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// Construct the textual version string from the individual components
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verString = fmt.Sprintf("%d.%d.%d", versionMajor, versionMinor, versionPatch)
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if versionMeta != "" {
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verString += "-" + versionMeta
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}
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if gitCommit != "" {
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verString += "-" + gitCommit[:8]
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}
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// Construct the version release oracle configuration
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relConfig.Oracle = common.HexToAddress(versionOracle)
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relConfig.Major = uint32(versionMajor)
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relConfig.Minor = uint32(versionMinor)
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relConfig.Patch = uint32(versionPatch)
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commit, _ := hex.DecodeString(gitCommit)
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copy(relConfig.Commit[:], commit)
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// Initialize the CLI app and start Geth
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app = utils.NewApp(verString, "the go-ethereum command line interface")
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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.Commands = []cli.Command{
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importCommand,
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exportCommand,
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upgradedbCommand,
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removedbCommand,
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dumpCommand,
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monitorCommand,
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accountCommand,
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walletCommand,
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consoleCommand,
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attachCommand,
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javascriptCommand,
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{
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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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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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{
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Action: gpuinfo,
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Name: "gpuinfo",
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Usage: "gpuinfo",
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Description: `
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Prints OpenCL device info for all found GPUs.
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`,
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},
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{
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Action: gpubench,
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Name: "gpubench",
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Usage: "benchmark GPU",
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Description: `
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Runs quick benchmark on first GPU found.
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`,
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},
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{
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Action: version,
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Name: "version",
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Usage: "print ethereum version numbers",
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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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{
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Action: initGenesis,
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Name: "init",
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Usage: "bootstraps and initialises a new genesis block (JSON)",
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Description: `
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The init command initialises a new genesis block and definition for the network.
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This is a destructive action and changes the network in which you will be
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participating.
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`,
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},
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}
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app.Flags = []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.DataDirFlag,
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utils.KeyStoreDirFlag,
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utils.BlockchainVersionFlag,
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utils.OlympicFlag,
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utils.FastSyncFlag,
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utils.CacheFlag,
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utils.LightKDFFlag,
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utils.JSpathFlag,
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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.SupportDAOFork,
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utils.OpposeDAOFork,
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utils.MinerThreadsFlag,
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utils.MiningEnabledFlag,
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utils.MiningGPUFlag,
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utils.AutoDAGFlag,
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utils.TargetGasLimitFlag,
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utils.NATFlag,
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utils.NatspecEnabledFlag,
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utils.NoDiscoverFlag,
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utils.NodeKeyFileFlag,
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utils.NodeKeyHexFlag,
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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.IPCApiFlag,
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utils.IPCPathFlag,
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utils.ExecFlag,
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utils.PreloadJSFlag,
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utils.WhisperEnabledFlag,
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utils.DevModeFlag,
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utils.TestNetFlag,
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utils.VMForceJitFlag,
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utils.VMJitCacheFlag,
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utils.VMEnableJitFlag,
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utils.NetworkIdFlag,
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utils.RPCCORSDomainFlag,
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utils.MetricsEnabledFlag,
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utils.FakePoWFlag,
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utils.SolcPathFlag,
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utils.GpoMinGasPriceFlag,
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utils.GpoMaxGasPriceFlag,
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utils.GpoFullBlockRatioFlag,
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utils.GpobaseStepDownFlag,
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utils.GpobaseStepUpFlag,
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utils.GpobaseCorrectionFactorFlag,
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utils.ExtraDataFlag,
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}
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app.Flags = append(app.Flags, debug.Flags...)
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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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// This should be the only place where reporting is enabled
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// because it is not intended to run while testing.
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// In addition to this check, bad block reports are sent only
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// for chains with the main network genesis block and network id 1.
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eth.EnableBadBlockReporting = true
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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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logger.Flush()
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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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// initGenesis will initialise the given JSON format genesis file and writes it as
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// the zero'd block (i.e. genesis) or will fail hard if it can't succeed.
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func initGenesis(ctx *cli.Context) error {
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genesisPath := ctx.Args().First()
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if len(genesisPath) == 0 {
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utils.Fatalf("must supply path to genesis JSON file")
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}
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chainDb, err := ethdb.NewLDBDatabase(filepath.Join(utils.MustMakeDataDir(ctx), "chaindata"), 0, 0)
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if err != nil {
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utils.Fatalf("could not open database: %v", err)
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}
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genesisFile, err := os.Open(genesisPath)
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if err != nil {
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utils.Fatalf("failed to read genesis file: %v", err)
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}
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block, err := core.WriteGenesisBlock(chainDb, genesisFile)
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if err != nil {
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utils.Fatalf("failed to write genesis block: %v", err)
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}
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glog.V(logger.Info).Infof("successfully wrote genesis block and/or chain rule set: %x", block.Hash())
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return nil
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}
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func makeFullNode(ctx *cli.Context) *node.Node {
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node := utils.MakeNode(ctx, clientIdentifier, verString)
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utils.RegisterEthService(ctx, node, relConfig, makeDefaultExtra())
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// Whisper must be explicitly enabled, but is auto-enabled in --dev mode.
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shhEnabled := ctx.GlobalBool(utils.WhisperEnabledFlag.Name)
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shhAutoEnabled := !ctx.GlobalIsSet(utils.WhisperEnabledFlag.Name) && ctx.GlobalIsSet(utils.DevModeFlag.Name)
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if shhEnabled || shhAutoEnabled {
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utils.RegisterShhService(node)
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}
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return node
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}
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func makeDefaultExtra() []byte {
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var clientInfo = struct {
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Version uint
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Name string
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GoVersion string
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Os string
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}{uint(versionMajor<<16 | versionMinor<<8 | versionPatch), clientIdentifier, runtime.Version(), runtime.GOOS}
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extra, err := rlp.EncodeToBytes(clientInfo)
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if err != nil {
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glog.V(logger.Warn).Infoln("error setting canonical miner information:", err)
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}
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if uint64(len(extra)) > params.MaximumExtraDataSize.Uint64() {
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glog.V(logger.Warn).Infoln("error setting canonical miner information: extra exceeds", params.MaximumExtraDataSize)
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glog.V(logger.Debug).Infof("extra: %x\n", extra)
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return nil
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}
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return extra
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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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// Report geth version
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glog.V(logger.Info).Infof("instance: Geth/%s/%s/%s\n", verString, runtime.Version(), runtime.GOOS)
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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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accman := stack.AccountManager()
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passwords := utils.MakePasswordList(ctx)
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accounts := strings.Split(ctx.GlobalString(utils.UnlockedAccountFlag.Name), ",")
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for i, account := range accounts {
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if trimmed := strings.TrimSpace(account); trimmed != "" {
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unlockAccount(ctx, accman, trimmed, i, passwords)
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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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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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if err := ethereum.StartMining(ctx.GlobalInt(utils.MinerThreadsFlag.Name), ctx.GlobalString(utils.MiningGPUFlag.Name)); 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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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.MakeDAG(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 gpuinfo(ctx *cli.Context) error {
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eth.PrintOpenCLDevices()
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return nil
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}
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func gpubench(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 gpubench <gpu number>`)
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}
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switch {
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case len(args) == 1:
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n, err := strconv.ParseUint(args[0], 0, 64)
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if err != nil {
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wrongArgs()
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}
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eth.GPUBench(n)
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case len(args) == 0:
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eth.GPUBench(0)
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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(c *cli.Context) error {
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fmt.Println(clientIdentifier)
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fmt.Println("Version:", verString)
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fmt.Println("Protocol Versions:", eth.ProtocolVersions)
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fmt.Println("Network Id:", c.GlobalInt(utils.NetworkIdFlag.Name))
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fmt.Println("Go Version:", runtime.Version())
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fmt.Println("OS:", 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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