mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
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396 lines
11 KiB
Go
396 lines
11 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/codegangsta/cli"
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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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)
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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.GenesisFileFlag,
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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.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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// Deprecation warning.
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if ctx.GlobalIsSet(utils.GenesisFileFlag.Name) {
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common.PrintDepricationWarning("--genesis is deprecated. Switch to use 'geth init /path/to/file'")
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}
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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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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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// 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) {
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node := utils.MakeSystemNode(clientIdentifier, verString, relConfig, makeDefaultExtra(), ctx)
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startNode(ctx, node)
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node.Wait()
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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) {
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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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}
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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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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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accman := ethereum.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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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) {
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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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}
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func gpuinfo(ctx *cli.Context) {
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eth.PrintOpenCLDevices()
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}
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func gpubench(ctx *cli.Context) {
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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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}
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func version(c *cli.Context) {
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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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}
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