884 lines
28 KiB
Go
884 lines
28 KiB
Go
// Copyright 2015 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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package utils
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import (
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"crypto/ecdsa"
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"fmt"
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"io/ioutil"
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"math"
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"math/big"
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"math/rand"
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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/accounts"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/crypto"
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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/event"
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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/p2p/discover"
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"github.com/ethereum/go-ethereum/p2p/nat"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/pow"
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"github.com/ethereum/go-ethereum/release"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethereum/go-ethereum/whisper"
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"gopkg.in/urfave/cli.v1"
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)
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func init() {
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cli.AppHelpTemplate = `{{.Name}} {{if .Flags}}[global options] {{end}}command{{if .Flags}} [command options]{{end}} [arguments...]
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VERSION:
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{{.Version}}
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COMMANDS:
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{{range .Commands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}}
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{{end}}{{if .Flags}}
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GLOBAL OPTIONS:
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{{range .Flags}}{{.}}
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{{end}}{{end}}
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`
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cli.CommandHelpTemplate = `{{.Name}}{{if .Subcommands}} command{{end}}{{if .Flags}} [command options]{{end}} [arguments...]
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{{if .Description}}{{.Description}}
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{{end}}{{if .Subcommands}}
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SUBCOMMANDS:
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{{range .Subcommands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}}
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{{end}}{{end}}{{if .Flags}}
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OPTIONS:
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{{range .Flags}}{{.}}
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{{end}}{{end}}
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`
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}
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// NewApp creates an app with sane defaults.
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func NewApp(version, usage string) *cli.App {
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app := cli.NewApp()
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app.Name = filepath.Base(os.Args[0])
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app.Author = ""
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//app.Authors = nil
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app.Email = ""
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app.Version = version
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app.Usage = usage
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return app
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}
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// These are all the command line flags we support.
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// If you add to this list, please remember to include the
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// flag in the appropriate command definition.
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//
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// The flags are defined here so their names and help texts
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// are the same for all commands.
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var (
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// General settings
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DataDirFlag = DirectoryFlag{
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Name: "datadir",
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Usage: "Data directory for the databases and keystore",
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Value: DirectoryString{common.DefaultDataDir()},
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}
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KeyStoreDirFlag = DirectoryFlag{
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Name: "keystore",
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Usage: "Directory for the keystore (default = inside the datadir)",
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}
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NetworkIdFlag = cli.IntFlag{
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Name: "networkid",
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Usage: "Network identifier (integer, 0=Olympic, 1=Frontier, 2=Morden)",
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Value: eth.NetworkId,
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}
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OlympicFlag = cli.BoolFlag{
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Name: "olympic",
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Usage: "Olympic network: pre-configured pre-release test network",
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}
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TestNetFlag = cli.BoolFlag{
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Name: "testnet",
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Usage: "Morden network: pre-configured test network with modified starting nonces (replay protection)",
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}
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DevModeFlag = cli.BoolFlag{
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Name: "dev",
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Usage: "Developer mode: pre-configured private network with several debugging flags",
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}
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GenesisFileFlag = cli.StringFlag{
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Name: "genesis",
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Usage: "Insert/overwrite the genesis block (JSON format)",
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}
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IdentityFlag = cli.StringFlag{
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Name: "identity",
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Usage: "Custom node name",
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}
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NatspecEnabledFlag = cli.BoolFlag{
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Name: "natspec",
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Usage: "Enable NatSpec confirmation notice",
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}
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DocRootFlag = DirectoryFlag{
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Name: "docroot",
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Usage: "Document Root for HTTPClient file scheme",
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Value: DirectoryString{common.HomeDir()},
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}
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CacheFlag = cli.IntFlag{
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Name: "cache",
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Usage: "Megabytes of memory allocated to internal caching (min 16MB / database forced)",
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Value: 128,
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}
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BlockchainVersionFlag = cli.IntFlag{
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Name: "blockchainversion",
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Usage: "Blockchain version (integer)",
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Value: core.BlockChainVersion,
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}
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FastSyncFlag = cli.BoolFlag{
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Name: "fast",
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Usage: "Enable fast syncing through state downloads",
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}
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LightKDFFlag = cli.BoolFlag{
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Name: "lightkdf",
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Usage: "Reduce key-derivation RAM & CPU usage at some expense of KDF strength",
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}
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// Miner settings
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// TODO: refactor CPU vs GPU mining flags
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MiningEnabledFlag = cli.BoolFlag{
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Name: "mine",
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Usage: "Enable mining",
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}
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MinerThreadsFlag = cli.IntFlag{
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Name: "minerthreads",
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Usage: "Number of CPU threads to use for mining",
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Value: runtime.NumCPU(),
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}
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MiningGPUFlag = cli.StringFlag{
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Name: "minergpus",
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Usage: "List of GPUs to use for mining (e.g. '0,1' will use the first two GPUs found)",
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}
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TargetGasLimitFlag = cli.StringFlag{
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Name: "targetgaslimit",
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Usage: "Target gas limit sets the artificial target gas floor for the blocks to mine",
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Value: params.GenesisGasLimit.String(),
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}
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AutoDAGFlag = cli.BoolFlag{
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Name: "autodag",
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Usage: "Enable automatic DAG pregeneration",
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}
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EtherbaseFlag = cli.StringFlag{
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Name: "etherbase",
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Usage: "Public address for block mining rewards (default = first account created)",
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Value: "0",
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}
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GasPriceFlag = cli.StringFlag{
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Name: "gasprice",
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Usage: "Minimal gas price to accept for mining a transactions",
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Value: new(big.Int).Mul(big.NewInt(20), common.Shannon).String(),
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}
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ExtraDataFlag = cli.StringFlag{
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Name: "extradata",
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Usage: "Block extra data set by the miner (default = client version)",
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}
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// Account settings
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UnlockedAccountFlag = cli.StringFlag{
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Name: "unlock",
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Usage: "Comma separated list of accounts to unlock",
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Value: "",
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}
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PasswordFileFlag = cli.StringFlag{
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Name: "password",
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Usage: "Password file to use for non-inteactive password input",
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Value: "",
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}
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VMForceJitFlag = cli.BoolFlag{
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Name: "forcejit",
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Usage: "Force the JIT VM to take precedence",
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}
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VMJitCacheFlag = cli.IntFlag{
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Name: "jitcache",
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Usage: "Amount of cached JIT VM programs",
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Value: 64,
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}
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VMEnableJitFlag = cli.BoolFlag{
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Name: "jitvm",
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Usage: "Enable the JIT VM",
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}
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// logging and debug settings
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MetricsEnabledFlag = cli.BoolFlag{
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Name: metrics.MetricsEnabledFlag,
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Usage: "Enable metrics collection and reporting",
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}
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FakePoWFlag = cli.BoolFlag{
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Name: "fakepow",
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Usage: "Disables proof-of-work verification",
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}
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// RPC settings
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RPCEnabledFlag = cli.BoolFlag{
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Name: "rpc",
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Usage: "Enable the HTTP-RPC server",
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}
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RPCListenAddrFlag = cli.StringFlag{
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Name: "rpcaddr",
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Usage: "HTTP-RPC server listening interface",
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Value: common.DefaultHTTPHost,
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}
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RPCPortFlag = cli.IntFlag{
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Name: "rpcport",
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Usage: "HTTP-RPC server listening port",
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Value: common.DefaultHTTPPort,
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}
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RPCCORSDomainFlag = cli.StringFlag{
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Name: "rpccorsdomain",
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Usage: "Comma separated list of domains from which to accept cross origin requests (browser enforced)",
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Value: "",
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}
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RPCApiFlag = cli.StringFlag{
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Name: "rpcapi",
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Usage: "API's offered over the HTTP-RPC interface",
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Value: rpc.DefaultHTTPApis,
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}
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IPCDisabledFlag = cli.BoolFlag{
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Name: "ipcdisable",
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Usage: "Disable the IPC-RPC server",
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}
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IPCApiFlag = cli.StringFlag{
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Name: "ipcapi",
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Usage: "API's offered over the IPC-RPC interface",
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Value: rpc.DefaultIPCApis,
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}
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IPCPathFlag = DirectoryFlag{
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Name: "ipcpath",
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Usage: "Filename for IPC socket/pipe within the datadir (explicit paths escape it)",
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Value: DirectoryString{common.DefaultIPCSocket},
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}
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WSEnabledFlag = cli.BoolFlag{
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Name: "ws",
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Usage: "Enable the WS-RPC server",
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}
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WSListenAddrFlag = cli.StringFlag{
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Name: "wsaddr",
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Usage: "WS-RPC server listening interface",
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Value: common.DefaultWSHost,
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}
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WSPortFlag = cli.IntFlag{
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Name: "wsport",
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Usage: "WS-RPC server listening port",
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Value: common.DefaultWSPort,
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}
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WSApiFlag = cli.StringFlag{
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Name: "wsapi",
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Usage: "API's offered over the WS-RPC interface",
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Value: rpc.DefaultHTTPApis,
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}
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WSAllowedOriginsFlag = cli.StringFlag{
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Name: "wsorigins",
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Usage: "Origins from which to accept websockets requests",
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Value: "",
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}
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ExecFlag = cli.StringFlag{
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Name: "exec",
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Usage: "Execute JavaScript statement (only in combination with console/attach)",
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}
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PreloadJSFlag = cli.StringFlag{
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Name: "preload",
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Usage: "Comma separated list of JavaScript files to preload into the console",
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}
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// Network Settings
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MaxPeersFlag = cli.IntFlag{
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Name: "maxpeers",
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Usage: "Maximum number of network peers (network disabled if set to 0)",
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Value: 25,
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}
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MaxPendingPeersFlag = cli.IntFlag{
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Name: "maxpendpeers",
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Usage: "Maximum number of pending connection attempts (defaults used if set to 0)",
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Value: 0,
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}
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ListenPortFlag = cli.IntFlag{
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Name: "port",
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Usage: "Network listening port",
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Value: 30303,
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}
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BootnodesFlag = cli.StringFlag{
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Name: "bootnodes",
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Usage: "Comma separated enode URLs for P2P discovery bootstrap",
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Value: "",
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}
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NodeKeyFileFlag = cli.StringFlag{
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Name: "nodekey",
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Usage: "P2P node key file",
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}
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NodeKeyHexFlag = cli.StringFlag{
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Name: "nodekeyhex",
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Usage: "P2P node key as hex (for testing)",
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}
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NATFlag = cli.StringFlag{
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Name: "nat",
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Usage: "NAT port mapping mechanism (any|none|upnp|pmp|extip:<IP>)",
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Value: "any",
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}
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NoDiscoverFlag = cli.BoolFlag{
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Name: "nodiscover",
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Usage: "Disables the peer discovery mechanism (manual peer addition)",
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}
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WhisperEnabledFlag = cli.BoolFlag{
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Name: "shh",
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Usage: "Enable Whisper",
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}
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// ATM the url is left to the user and deployment to
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JSpathFlag = cli.StringFlag{
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Name: "jspath",
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Usage: "JavaScript root path for `loadScript` and document root for `admin.httpGet`",
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Value: ".",
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}
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SolcPathFlag = cli.StringFlag{
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Name: "solc",
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Usage: "Solidity compiler command to be used",
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Value: "solc",
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}
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// Gas price oracle settings
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GpoMinGasPriceFlag = cli.StringFlag{
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Name: "gpomin",
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Usage: "Minimum suggested gas price",
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Value: new(big.Int).Mul(big.NewInt(20), common.Shannon).String(),
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}
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GpoMaxGasPriceFlag = cli.StringFlag{
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Name: "gpomax",
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Usage: "Maximum suggested gas price",
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Value: new(big.Int).Mul(big.NewInt(500), common.Shannon).String(),
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}
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GpoFullBlockRatioFlag = cli.IntFlag{
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Name: "gpofull",
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Usage: "Full block threshold for gas price calculation (%)",
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Value: 80,
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}
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GpobaseStepDownFlag = cli.IntFlag{
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Name: "gpobasedown",
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Usage: "Suggested gas price base step down ratio (1/1000)",
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Value: 10,
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}
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GpobaseStepUpFlag = cli.IntFlag{
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Name: "gpobaseup",
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Usage: "Suggested gas price base step up ratio (1/1000)",
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Value: 100,
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}
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GpobaseCorrectionFactorFlag = cli.IntFlag{
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Name: "gpobasecf",
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Usage: "Suggested gas price base correction factor (%)",
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Value: 110,
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}
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)
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// MustMakeDataDir retrieves the currently requested data directory, terminating
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// if none (or the empty string) is specified. If the node is starting a testnet,
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// the a subdirectory of the specified datadir will be used.
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func MustMakeDataDir(ctx *cli.Context) string {
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if path := ctx.GlobalString(DataDirFlag.Name); path != "" {
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if ctx.GlobalBool(TestNetFlag.Name) {
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return filepath.Join(path, "/testnet")
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}
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return path
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}
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Fatalf("Cannot determine default data directory, please set manually (--datadir)")
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return ""
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}
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// MakeKeyStoreDir resolves the folder to use for storing the account keys from the
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// set command line flags, returning the explicitly requested path, or one inside
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// the data directory otherwise.
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func MakeKeyStoreDir(datadir string, ctx *cli.Context) string {
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if path := ctx.GlobalString(KeyStoreDirFlag.Name); path != "" {
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return path
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}
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return filepath.Join(datadir, "keystore")
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}
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// MakeIPCPath creates an IPC path configuration from the set command line flags,
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// returning an empty string if IPC was explicitly disabled, or the set path.
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func MakeIPCPath(ctx *cli.Context) string {
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if ctx.GlobalBool(IPCDisabledFlag.Name) {
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return ""
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}
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return ctx.GlobalString(IPCPathFlag.Name)
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}
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// MakeNodeKey creates a node key from set command line flags, either loading it
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// from a file or as a specified hex value. If neither flags were provided, this
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// method returns nil and an emphemeral key is to be generated.
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func MakeNodeKey(ctx *cli.Context) *ecdsa.PrivateKey {
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var (
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hex = ctx.GlobalString(NodeKeyHexFlag.Name)
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file = ctx.GlobalString(NodeKeyFileFlag.Name)
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key *ecdsa.PrivateKey
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err error
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)
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switch {
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case file != "" && hex != "":
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Fatalf("Options %q and %q are mutually exclusive", NodeKeyFileFlag.Name, NodeKeyHexFlag.Name)
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case file != "":
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if key, err = crypto.LoadECDSA(file); err != nil {
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Fatalf("Option %q: %v", NodeKeyFileFlag.Name, err)
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}
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case hex != "":
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if key, err = crypto.HexToECDSA(hex); err != nil {
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Fatalf("Option %q: %v", NodeKeyHexFlag.Name, err)
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}
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}
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return key
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}
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// MakeNodeName creates a node name from a base set and the command line flags.
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func MakeNodeName(client, version string, ctx *cli.Context) string {
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name := common.MakeName(client, version)
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if identity := ctx.GlobalString(IdentityFlag.Name); len(identity) > 0 {
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name += "/" + identity
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}
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if ctx.GlobalBool(VMEnableJitFlag.Name) {
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name += "/JIT"
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}
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return name
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}
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// MakeBootstrapNodes creates a list of bootstrap nodes from the command line
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// flags, reverting to pre-configured ones if none have been specified.
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func MakeBootstrapNodes(ctx *cli.Context) []*discover.Node {
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// Return pre-configured nodes if none were manually requested
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if !ctx.GlobalIsSet(BootnodesFlag.Name) {
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if ctx.GlobalBool(TestNetFlag.Name) {
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return TestNetBootNodes
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}
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return FrontierBootNodes
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}
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// Otherwise parse and use the CLI bootstrap nodes
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bootnodes := []*discover.Node{}
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for _, url := range strings.Split(ctx.GlobalString(BootnodesFlag.Name), ",") {
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node, err := discover.ParseNode(url)
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if err != nil {
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glog.V(logger.Error).Infof("Bootstrap URL %s: %v\n", url, err)
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continue
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}
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bootnodes = append(bootnodes, node)
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}
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return bootnodes
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}
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// MakeListenAddress creates a TCP listening address string from set command
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// line flags.
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func MakeListenAddress(ctx *cli.Context) string {
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return fmt.Sprintf(":%d", ctx.GlobalInt(ListenPortFlag.Name))
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}
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// MakeNAT creates a port mapper from set command line flags.
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func MakeNAT(ctx *cli.Context) nat.Interface {
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natif, err := nat.Parse(ctx.GlobalString(NATFlag.Name))
|
|
if err != nil {
|
|
Fatalf("Option %s: %v", NATFlag.Name, err)
|
|
}
|
|
return natif
|
|
}
|
|
|
|
// MakeRPCModules splits input separated by a comma and trims excessive white
|
|
// space from the substrings.
|
|
func MakeRPCModules(input string) []string {
|
|
result := strings.Split(input, ",")
|
|
for i, r := range result {
|
|
result[i] = strings.TrimSpace(r)
|
|
}
|
|
return result
|
|
}
|
|
|
|
// MakeHTTPRpcHost creates the HTTP RPC listener interface string from the set
|
|
// command line flags, returning empty if the HTTP endpoint is disabled.
|
|
func MakeHTTPRpcHost(ctx *cli.Context) string {
|
|
if !ctx.GlobalBool(RPCEnabledFlag.Name) {
|
|
return ""
|
|
}
|
|
return ctx.GlobalString(RPCListenAddrFlag.Name)
|
|
}
|
|
|
|
// MakeWSRpcHost creates the WebSocket RPC listener interface string from the set
|
|
// command line flags, returning empty if the HTTP endpoint is disabled.
|
|
func MakeWSRpcHost(ctx *cli.Context) string {
|
|
if !ctx.GlobalBool(WSEnabledFlag.Name) {
|
|
return ""
|
|
}
|
|
return ctx.GlobalString(WSListenAddrFlag.Name)
|
|
}
|
|
|
|
// MakeGenesisBlock loads up a genesis block from an input file specified in the
|
|
// command line, or returns the empty string if none set.
|
|
func MakeGenesisBlock(ctx *cli.Context) string {
|
|
genesis := ctx.GlobalString(GenesisFileFlag.Name)
|
|
if genesis == "" {
|
|
return ""
|
|
}
|
|
data, err := ioutil.ReadFile(genesis)
|
|
if err != nil {
|
|
Fatalf("Failed to load custom genesis file: %v", err)
|
|
}
|
|
return string(data)
|
|
}
|
|
|
|
// MakeDatabaseHandles raises out the number of allowed file handles per process
|
|
// for Geth and returns half of the allowance to assign to the database.
|
|
func MakeDatabaseHandles() int {
|
|
if err := raiseFdLimit(2048); err != nil {
|
|
Fatalf("Failed to raise file descriptor allowance: %v", err)
|
|
}
|
|
limit, err := getFdLimit()
|
|
if err != nil {
|
|
Fatalf("Failed to retrieve file descriptor allowance: %v", err)
|
|
}
|
|
if limit > 2048 { // cap database file descriptors even if more is available
|
|
limit = 2048
|
|
}
|
|
return limit / 2 // Leave half for networking and other stuff
|
|
}
|
|
|
|
// MakeAccountManager creates an account manager from set command line flags.
|
|
func MakeAccountManager(ctx *cli.Context) *accounts.Manager {
|
|
// Create the keystore crypto primitive, light if requested
|
|
scryptN := accounts.StandardScryptN
|
|
scryptP := accounts.StandardScryptP
|
|
if ctx.GlobalBool(LightKDFFlag.Name) {
|
|
scryptN = accounts.LightScryptN
|
|
scryptP = accounts.LightScryptP
|
|
}
|
|
datadir := MustMakeDataDir(ctx)
|
|
keydir := MakeKeyStoreDir(datadir, ctx)
|
|
return accounts.NewManager(keydir, scryptN, scryptP)
|
|
}
|
|
|
|
// MakeAddress converts an account specified directly as a hex encoded string or
|
|
// a key index in the key store to an internal account representation.
|
|
func MakeAddress(accman *accounts.Manager, account string) (accounts.Account, error) {
|
|
// If the specified account is a valid address, return it
|
|
if common.IsHexAddress(account) {
|
|
return accounts.Account{Address: common.HexToAddress(account)}, nil
|
|
}
|
|
// Otherwise try to interpret the account as a keystore index
|
|
index, err := strconv.Atoi(account)
|
|
if err != nil {
|
|
return accounts.Account{}, fmt.Errorf("invalid account address or index %q", account)
|
|
}
|
|
return accman.AccountByIndex(index)
|
|
}
|
|
|
|
// MakeEtherbase retrieves the etherbase either from the directly specified
|
|
// command line flags or from the keystore if CLI indexed.
|
|
func MakeEtherbase(accman *accounts.Manager, ctx *cli.Context) common.Address {
|
|
accounts := accman.Accounts()
|
|
if !ctx.GlobalIsSet(EtherbaseFlag.Name) && len(accounts) == 0 {
|
|
glog.V(logger.Error).Infoln("WARNING: No etherbase set and no accounts found as default")
|
|
return common.Address{}
|
|
}
|
|
etherbase := ctx.GlobalString(EtherbaseFlag.Name)
|
|
if etherbase == "" {
|
|
return common.Address{}
|
|
}
|
|
// If the specified etherbase is a valid address, return it
|
|
account, err := MakeAddress(accman, etherbase)
|
|
if err != nil {
|
|
Fatalf("Option %q: %v", EtherbaseFlag.Name, err)
|
|
}
|
|
return account.Address
|
|
}
|
|
|
|
// MakeMinerExtra resolves extradata for the miner from the set command line flags
|
|
// or returns a default one composed on the client, runtime and OS metadata.
|
|
func MakeMinerExtra(extra []byte, ctx *cli.Context) []byte {
|
|
if ctx.GlobalIsSet(ExtraDataFlag.Name) {
|
|
return []byte(ctx.GlobalString(ExtraDataFlag.Name))
|
|
}
|
|
return extra
|
|
}
|
|
|
|
// MakePasswordList reads password lines from the file specified by --password.
|
|
func MakePasswordList(ctx *cli.Context) []string {
|
|
path := ctx.GlobalString(PasswordFileFlag.Name)
|
|
if path == "" {
|
|
return nil
|
|
}
|
|
text, err := ioutil.ReadFile(path)
|
|
if err != nil {
|
|
Fatalf("Failed to read password file: %v", err)
|
|
}
|
|
lines := strings.Split(string(text), "\n")
|
|
// Sanitise DOS line endings.
|
|
for i := range lines {
|
|
lines[i] = strings.TrimRight(lines[i], "\r")
|
|
}
|
|
return lines
|
|
}
|
|
|
|
// MakeSystemNode sets up a local node, configures the services to launch and
|
|
// assembles the P2P protocol stack.
|
|
func MakeSystemNode(name, version string, relconf release.Config, extra []byte, ctx *cli.Context) *node.Node {
|
|
// Avoid conflicting network flags
|
|
networks, netFlags := 0, []cli.BoolFlag{DevModeFlag, TestNetFlag, OlympicFlag}
|
|
for _, flag := range netFlags {
|
|
if ctx.GlobalBool(flag.Name) {
|
|
networks++
|
|
}
|
|
}
|
|
if networks > 1 {
|
|
Fatalf("The %v flags are mutually exclusive", netFlags)
|
|
}
|
|
// Configure the node's service container
|
|
stackConf := &node.Config{
|
|
DataDir: MustMakeDataDir(ctx),
|
|
PrivateKey: MakeNodeKey(ctx),
|
|
Name: MakeNodeName(name, version, ctx),
|
|
NoDiscovery: ctx.GlobalBool(NoDiscoverFlag.Name),
|
|
BootstrapNodes: MakeBootstrapNodes(ctx),
|
|
ListenAddr: MakeListenAddress(ctx),
|
|
NAT: MakeNAT(ctx),
|
|
MaxPeers: ctx.GlobalInt(MaxPeersFlag.Name),
|
|
MaxPendingPeers: ctx.GlobalInt(MaxPendingPeersFlag.Name),
|
|
IPCPath: MakeIPCPath(ctx),
|
|
HTTPHost: MakeHTTPRpcHost(ctx),
|
|
HTTPPort: ctx.GlobalInt(RPCPortFlag.Name),
|
|
HTTPCors: ctx.GlobalString(RPCCORSDomainFlag.Name),
|
|
HTTPModules: MakeRPCModules(ctx.GlobalString(RPCApiFlag.Name)),
|
|
WSHost: MakeWSRpcHost(ctx),
|
|
WSPort: ctx.GlobalInt(WSPortFlag.Name),
|
|
WSOrigins: ctx.GlobalString(WSAllowedOriginsFlag.Name),
|
|
WSModules: MakeRPCModules(ctx.GlobalString(WSApiFlag.Name)),
|
|
}
|
|
// Configure the Ethereum service
|
|
accman := MakeAccountManager(ctx)
|
|
|
|
// initialise new random number generator
|
|
rand := rand.New(rand.NewSource(time.Now().UnixNano()))
|
|
// get enabled jit flag
|
|
jitEnabled := ctx.GlobalBool(VMEnableJitFlag.Name)
|
|
// if the jit is not enabled enable it for 10 pct of the people
|
|
if !jitEnabled && rand.Float64() < 0.1 {
|
|
jitEnabled = true
|
|
glog.V(logger.Info).Infoln("You're one of the lucky few that will try out the JIT VM (random). If you get a consensus failure please be so kind to report this incident with the block hash that failed. You can switch to the regular VM by setting --jitvm=false")
|
|
}
|
|
|
|
ethConf := ð.Config{
|
|
ChainConfig: MustMakeChainConfig(ctx),
|
|
Genesis: MakeGenesisBlock(ctx),
|
|
FastSync: ctx.GlobalBool(FastSyncFlag.Name),
|
|
BlockChainVersion: ctx.GlobalInt(BlockchainVersionFlag.Name),
|
|
DatabaseCache: ctx.GlobalInt(CacheFlag.Name),
|
|
DatabaseHandles: MakeDatabaseHandles(),
|
|
NetworkId: ctx.GlobalInt(NetworkIdFlag.Name),
|
|
AccountManager: accman,
|
|
Etherbase: MakeEtherbase(accman, ctx),
|
|
MinerThreads: ctx.GlobalInt(MinerThreadsFlag.Name),
|
|
ExtraData: MakeMinerExtra(extra, ctx),
|
|
NatSpec: ctx.GlobalBool(NatspecEnabledFlag.Name),
|
|
DocRoot: ctx.GlobalString(DocRootFlag.Name),
|
|
EnableJit: jitEnabled,
|
|
ForceJit: ctx.GlobalBool(VMForceJitFlag.Name),
|
|
GasPrice: common.String2Big(ctx.GlobalString(GasPriceFlag.Name)),
|
|
GpoMinGasPrice: common.String2Big(ctx.GlobalString(GpoMinGasPriceFlag.Name)),
|
|
GpoMaxGasPrice: common.String2Big(ctx.GlobalString(GpoMaxGasPriceFlag.Name)),
|
|
GpoFullBlockRatio: ctx.GlobalInt(GpoFullBlockRatioFlag.Name),
|
|
GpobaseStepDown: ctx.GlobalInt(GpobaseStepDownFlag.Name),
|
|
GpobaseStepUp: ctx.GlobalInt(GpobaseStepUpFlag.Name),
|
|
GpobaseCorrectionFactor: ctx.GlobalInt(GpobaseCorrectionFactorFlag.Name),
|
|
SolcPath: ctx.GlobalString(SolcPathFlag.Name),
|
|
AutoDAG: ctx.GlobalBool(AutoDAGFlag.Name) || ctx.GlobalBool(MiningEnabledFlag.Name),
|
|
}
|
|
// Configure the Whisper service
|
|
shhEnable := ctx.GlobalBool(WhisperEnabledFlag.Name)
|
|
|
|
// Override any default configs in dev mode or the test net
|
|
switch {
|
|
case ctx.GlobalBool(OlympicFlag.Name):
|
|
if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
|
|
ethConf.NetworkId = 1
|
|
}
|
|
if !ctx.GlobalIsSet(GenesisFileFlag.Name) {
|
|
ethConf.Genesis = core.OlympicGenesisBlock()
|
|
}
|
|
|
|
case ctx.GlobalBool(TestNetFlag.Name):
|
|
if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
|
|
ethConf.NetworkId = 2
|
|
}
|
|
if !ctx.GlobalIsSet(GenesisFileFlag.Name) {
|
|
ethConf.Genesis = core.TestNetGenesisBlock()
|
|
}
|
|
state.StartingNonce = 1048576 // (2**20)
|
|
|
|
case ctx.GlobalBool(DevModeFlag.Name):
|
|
// Override the base network stack configs
|
|
if !ctx.GlobalIsSet(DataDirFlag.Name) {
|
|
stackConf.DataDir = filepath.Join(os.TempDir(), "/ethereum_dev_mode")
|
|
}
|
|
if !ctx.GlobalIsSet(MaxPeersFlag.Name) {
|
|
stackConf.MaxPeers = 0
|
|
}
|
|
if !ctx.GlobalIsSet(ListenPortFlag.Name) {
|
|
stackConf.ListenAddr = ":0"
|
|
}
|
|
// Override the Ethereum protocol configs
|
|
if !ctx.GlobalIsSet(GenesisFileFlag.Name) {
|
|
ethConf.Genesis = core.OlympicGenesisBlock()
|
|
}
|
|
if !ctx.GlobalIsSet(GasPriceFlag.Name) {
|
|
ethConf.GasPrice = new(big.Int)
|
|
}
|
|
if !ctx.GlobalIsSet(WhisperEnabledFlag.Name) {
|
|
shhEnable = true
|
|
}
|
|
ethConf.PowTest = true
|
|
}
|
|
// Assemble and return the protocol stack
|
|
stack, err := node.New(stackConf)
|
|
if err != nil {
|
|
Fatalf("Failed to create the protocol stack: %v", err)
|
|
}
|
|
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
|
|
return eth.New(ctx, ethConf)
|
|
}); err != nil {
|
|
Fatalf("Failed to register the Ethereum service: %v", err)
|
|
}
|
|
if shhEnable {
|
|
if err := stack.Register(func(*node.ServiceContext) (node.Service, error) { return whisper.New(), nil }); err != nil {
|
|
Fatalf("Failed to register the Whisper service: %v", err)
|
|
}
|
|
}
|
|
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
|
|
return release.NewReleaseService(ctx, relconf)
|
|
}); err != nil {
|
|
Fatalf("Failed to register the Geth release oracle service: %v", err)
|
|
}
|
|
return stack
|
|
}
|
|
|
|
// SetupNetwork configures the system for either the main net or some test network.
|
|
func SetupNetwork(ctx *cli.Context) {
|
|
switch {
|
|
case ctx.GlobalBool(OlympicFlag.Name):
|
|
params.DurationLimit = big.NewInt(8)
|
|
params.GenesisGasLimit = big.NewInt(3141592)
|
|
params.MinGasLimit = big.NewInt(125000)
|
|
params.MaximumExtraDataSize = big.NewInt(1024)
|
|
NetworkIdFlag.Value = 0
|
|
core.BlockReward = big.NewInt(1.5e+18)
|
|
core.ExpDiffPeriod = big.NewInt(math.MaxInt64)
|
|
}
|
|
params.TargetGasLimit = common.String2Big(ctx.GlobalString(TargetGasLimitFlag.Name))
|
|
}
|
|
|
|
// MustMakeChainConfig reads the chain configuration from the database in ctx.Datadir.
|
|
func MustMakeChainConfig(ctx *cli.Context) *core.ChainConfig {
|
|
db := MakeChainDatabase(ctx)
|
|
defer db.Close()
|
|
|
|
return MustMakeChainConfigFromDb(ctx, db)
|
|
}
|
|
|
|
// MustMakeChainConfigFromDb reads the chain configuration from the given database.
|
|
func MustMakeChainConfigFromDb(ctx *cli.Context, db ethdb.Database) *core.ChainConfig {
|
|
genesis := core.GetBlock(db, core.GetCanonicalHash(db, 0))
|
|
|
|
if genesis != nil {
|
|
// Existing genesis block, use stored config if available.
|
|
storedConfig, err := core.GetChainConfig(db, genesis.Hash())
|
|
if err == nil {
|
|
return storedConfig
|
|
} else if err != core.ChainConfigNotFoundErr {
|
|
Fatalf("Could not make chain configuration: %v", err)
|
|
}
|
|
}
|
|
var homesteadBlockNo *big.Int
|
|
if ctx.GlobalBool(TestNetFlag.Name) {
|
|
homesteadBlockNo = params.TestNetHomesteadBlock
|
|
} else {
|
|
homesteadBlockNo = params.MainNetHomesteadBlock
|
|
}
|
|
return &core.ChainConfig{HomesteadBlock: homesteadBlockNo}
|
|
}
|
|
|
|
// MakeChainDatabase open an LevelDB using the flags passed to the client and will hard crash if it fails.
|
|
func MakeChainDatabase(ctx *cli.Context) ethdb.Database {
|
|
var (
|
|
datadir = MustMakeDataDir(ctx)
|
|
cache = ctx.GlobalInt(CacheFlag.Name)
|
|
handles = MakeDatabaseHandles()
|
|
)
|
|
|
|
chainDb, err := ethdb.NewLDBDatabase(filepath.Join(datadir, "chaindata"), cache, handles)
|
|
if err != nil {
|
|
Fatalf("Could not open database: %v", err)
|
|
}
|
|
return chainDb
|
|
}
|
|
|
|
// MakeChain creates a chain manager from set command line flags.
|
|
func MakeChain(ctx *cli.Context) (chain *core.BlockChain, chainDb ethdb.Database) {
|
|
var err error
|
|
chainDb = MakeChainDatabase(ctx)
|
|
|
|
if ctx.GlobalBool(OlympicFlag.Name) {
|
|
_, err := core.WriteTestNetGenesisBlock(chainDb)
|
|
if err != nil {
|
|
glog.Fatalln(err)
|
|
}
|
|
}
|
|
chainConfig := MustMakeChainConfigFromDb(ctx, chainDb)
|
|
|
|
pow := pow.PoW(core.FakePow{})
|
|
if !ctx.GlobalBool(FakePoWFlag.Name) {
|
|
pow = ethash.New()
|
|
}
|
|
chain, err = core.NewBlockChain(chainDb, chainConfig, pow, new(event.TypeMux))
|
|
if err != nil {
|
|
Fatalf("Could not start chainmanager: %v", err)
|
|
}
|
|
return chain, chainDb
|
|
}
|
|
|
|
// MakeConsolePreloads retrieves the absolute paths for the console JavaScript
|
|
// scripts to preload before starting.
|
|
func MakeConsolePreloads(ctx *cli.Context) []string {
|
|
// Skip preloading if there's nothing to preload
|
|
if ctx.GlobalString(PreloadJSFlag.Name) == "" {
|
|
return nil
|
|
}
|
|
// Otherwise resolve absolute paths and return them
|
|
preloads := []string{}
|
|
|
|
assets := ctx.GlobalString(JSpathFlag.Name)
|
|
for _, file := range strings.Split(ctx.GlobalString(PreloadJSFlag.Name), ",") {
|
|
preloads = append(preloads, common.AbsolutePath(assets, strings.TrimSpace(file)))
|
|
}
|
|
return preloads
|
|
}
|