plugeth/cmd/utils/flags.go

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// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package utils
import (
"crypto/ecdsa"
"fmt"
"log"
"math"
"math/big"
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"net"
"net/http"
"os"
"path/filepath"
"runtime"
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"strconv"
"github.com/codegangsta/cli"
"github.com/ethereum/ethash"
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"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"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"
"github.com/ethereum/go-ethereum/p2p/nat"
"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rpc/api"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/comms"
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"github.com/ethereum/go-ethereum/rpc/shared"
"github.com/ethereum/go-ethereum/rpc/useragent"
"github.com/ethereum/go-ethereum/xeth"
)
func init() {
cli.AppHelpTemplate = `{{.Name}} {{if .Flags}}[global options] {{end}}command{{if .Flags}} [command options]{{end}} [arguments...]
VERSION:
{{.Version}}
COMMANDS:
{{range .Commands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}}
{{end}}{{if .Flags}}
GLOBAL OPTIONS:
{{range .Flags}}{{.}}
{{end}}{{end}}
`
cli.CommandHelpTemplate = `{{.Name}}{{if .Subcommands}} command{{end}}{{if .Flags}} [command options]{{end}} [arguments...]
{{if .Description}}{{.Description}}
{{end}}{{if .Subcommands}}
SUBCOMMANDS:
{{range .Subcommands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}}
{{end}}{{end}}{{if .Flags}}
OPTIONS:
{{range .Flags}}{{.}}
{{end}}{{end}}
`
}
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// NewApp creates an app with sane defaults.
func NewApp(version, usage string) *cli.App {
app := cli.NewApp()
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 = ""
app.Version = version
app.Usage = usage
return app
}
// These are all the command line flags we support.
// If you add to this list, please remember to include the
// flag in the appropriate command definition.
//
// The flags are defined here so their names and help texts
// are the same for all commands.
var (
// General settings
DataDirFlag = DirectoryFlag{
Name: "datadir",
Usage: "Data directory to be used",
Value: DirectoryString{common.DefaultDataDir()},
}
NetworkIdFlag = cli.IntFlag{
Name: "networkid",
Usage: "Network Id (integer)",
Value: eth.NetworkId,
}
BlockchainVersionFlag = cli.IntFlag{
Name: "blockchainversion",
Usage: "Blockchain version (integer)",
Value: core.BlockChainVersion,
}
GenesisNonceFlag = cli.IntFlag{
Name: "genesisnonce",
Usage: "Sets the genesis nonce",
Value: 42,
}
GenesisFileFlag = cli.StringFlag{
Name: "genesis",
Usage: "Inserts/Overwrites the genesis block (json format)",
}
DevModeFlag = cli.BoolFlag{
Name: "dev",
Usage: "Developer mode. This mode creates a private network and sets several debugging flags",
}
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TestNetFlag = cli.BoolFlag{
Name: "testnet",
Usage: "Testnet mode. This enables your node to operate on the testnet",
}
IdentityFlag = cli.StringFlag{
Name: "identity",
Usage: "Custom node name",
}
NatspecEnabledFlag = cli.BoolFlag{
Name: "natspec",
Usage: "Enable NatSpec confirmation notice",
}
CacheFlag = cli.IntFlag{
Name: "cache",
Usage: "Megabytes of memory allocated to internal caching",
Value: 0,
}
OlympicFlag = cli.BoolFlag{
Name: "olympic",
Usage: "Use olympic style protocol",
}
EthVersionFlag = cli.IntFlag{
Name: "eth",
Value: 62,
Usage: "Highest eth protocol to advertise (temporary, dev option)",
}
// miner settings
// TODO: refactor CPU vs GPU mining flags
MiningGPUFlag = cli.StringFlag{
Name: "minegpu",
Usage: "Mine with given GPUs. '--minegpu 0,1' will mine with the first two GPUs found.",
}
MinerThreadsFlag = cli.IntFlag{
Name: "minerthreads",
Usage: "Number of miner threads",
Value: runtime.NumCPU(),
}
MiningEnabledFlag = cli.BoolFlag{
Name: "mine",
Usage: "Enable mining",
}
AutoDAGFlag = cli.BoolFlag{
Name: "autodag",
Usage: "Enable automatic DAG pregeneration",
}
EtherbaseFlag = cli.StringFlag{
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Name: "etherbase",
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Usage: "Public address for block mining rewards. By default the address first created is used",
Value: "0",
}
GasPriceFlag = cli.StringFlag{
Name: "gasprice",
Usage: "Sets the minimal gasprice when mining transactions",
Value: new(big.Int).Mul(big.NewInt(50), common.Shannon).String(),
}
UnlockedAccountFlag = cli.StringFlag{
Name: "unlock",
Usage: "Unlock the account given until this program exits (prompts for password). '--unlock n' unlocks the n-th account in order or creation.",
Value: "",
}
PasswordFileFlag = cli.StringFlag{
Name: "password",
Usage: "Path to password file to use with options and subcommands needing a password",
Value: "",
}
// vm flags
VMDebugFlag = cli.BoolFlag{
Name: "vmdebug",
Usage: "Virtual Machine debug output",
}
VMForceJitFlag = cli.BoolFlag{
Name: "forcejit",
Usage: "Force the JIT VM to take precedence",
}
VMJitCacheFlag = cli.IntFlag{
Name: "jitcache",
Usage: "Amount of cached JIT VM programs",
Value: 64,
}
VMEnableJitFlag = cli.BoolFlag{
Name: "jitvm",
Usage: "Enable the JIT VM",
}
// logging and debug settings
LogFileFlag = cli.StringFlag{
Name: "logfile",
Usage: "Send log output to a file",
}
VerbosityFlag = cli.IntFlag{
Name: "verbosity",
Usage: "Logging verbosity: 0-6 (0=silent, 1=error, 2=warn, 3=info, 4=core, 5=debug, 6=debug detail)",
Value: int(logger.InfoLevel),
}
LogJSONFlag = cli.StringFlag{
Name: "logjson",
Usage: "Send json structured log output to a file or '-' for standard output (default: no json output)",
Value: "",
}
LogToStdErrFlag = cli.BoolFlag{
Name: "logtostderr",
Usage: "Logs are written to standard error instead of to files.",
}
LogVModuleFlag = cli.GenericFlag{
Name: "vmodule",
Usage: "The syntax of the argument is a comma-separated list of pattern=N, where pattern is a literal file name (minus the \".go\" suffix) or \"glob\" pattern and N is a log verbosity level.",
Value: glog.GetVModule(),
}
BacktraceAtFlag = cli.GenericFlag{
Name: "backtrace_at",
Usage: "If set to a file and line number (e.g., \"block.go:271\") holding a logging statement, a stack trace will be logged",
Value: glog.GetTraceLocation(),
}
PProfEanbledFlag = cli.BoolFlag{
Name: "pprof",
Usage: "Enable the profiling server on localhost",
}
PProfPortFlag = cli.IntFlag{
Name: "pprofport",
Usage: "Port on which the profiler should listen",
Value: 6060,
}
MetricsEnabledFlag = cli.BoolFlag{
Name: metrics.MetricsEnabledFlag,
Usage: "Enables metrics collection and reporting",
}
// RPC settings
RPCEnabledFlag = cli.BoolFlag{
Name: "rpc",
Usage: "Enable the JSON-RPC server",
}
RPCListenAddrFlag = cli.StringFlag{
Name: "rpcaddr",
Usage: "Listening address for the JSON-RPC server",
Value: "127.0.0.1",
}
RPCPortFlag = cli.IntFlag{
Name: "rpcport",
Usage: "Port on which the JSON-RPC server should listen",
Value: 8545,
}
RPCCORSDomainFlag = cli.StringFlag{
Name: "rpccorsdomain",
Usage: "Domain on which to send Access-Control-Allow-Origin header",
Value: "",
}
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RpcApiFlag = cli.StringFlag{
Name: "rpcapi",
Usage: "Specify the API's which are offered over the HTTP RPC interface",
Value: comms.DefaultHttpRpcApis,
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}
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IPCDisabledFlag = cli.BoolFlag{
Name: "ipcdisable",
Usage: "Disable the IPC-RPC server",
}
IPCApiFlag = cli.StringFlag{
Name: "ipcapi",
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Usage: "Specify the API's which are offered over the IPC interface",
Value: comms.DefaultIpcApis,
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}
IPCPathFlag = DirectoryFlag{
Name: "ipcpath",
Usage: "Filename for IPC socket/pipe",
Value: DirectoryString{common.DefaultIpcPath()},
}
ExecFlag = cli.StringFlag{
Name: "exec",
Usage: "Execute javascript statement (only in combination with console/attach)",
}
// Network Settings
MaxPeersFlag = cli.IntFlag{
Name: "maxpeers",
Usage: "Maximum number of network peers (network disabled if set to 0)",
Value: 25,
}
MaxPendingPeersFlag = cli.IntFlag{
Name: "maxpendpeers",
Usage: "Maximum number of pending connection attempts (defaults used if set to 0)",
Value: 0,
}
ListenPortFlag = cli.IntFlag{
Name: "port",
Usage: "Network listening port",
Value: 30303,
}
BootnodesFlag = cli.StringFlag{
Name: "bootnodes",
Usage: "Space-separated enode URLs for p2p discovery bootstrap",
Value: "",
}
NodeKeyFileFlag = cli.StringFlag{
Name: "nodekey",
Usage: "P2P node key file",
}
NodeKeyHexFlag = cli.StringFlag{
Name: "nodekeyhex",
Usage: "P2P node key as hex (for testing)",
}
NATFlag = cli.StringFlag{
Name: "nat",
Usage: "NAT port mapping mechanism (any|none|upnp|pmp|extip:<IP>)",
Value: "any",
}
NoDiscoverFlag = cli.BoolFlag{
Name: "nodiscover",
Usage: "Disables the peer discovery mechanism (manual peer addition)",
}
WhisperEnabledFlag = cli.BoolFlag{
Name: "shh",
Usage: "Enable whisper",
}
// ATM the url is left to the user and deployment to
JSpathFlag = cli.StringFlag{
Name: "jspath",
Usage: "JS library path to be used with console and js subcommands",
Value: ".",
}
SolcPathFlag = cli.StringFlag{
Name: "solc",
Usage: "solidity compiler to be used",
Value: "solc",
}
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GpoMinGasPriceFlag = cli.StringFlag{
Name: "gpomin",
Usage: "Minimum suggested gas price",
Value: new(big.Int).Mul(big.NewInt(50), common.Shannon).String(),
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}
GpoMaxGasPriceFlag = cli.StringFlag{
Name: "gpomax",
Usage: "Maximum suggested gas price",
Value: new(big.Int).Mul(big.NewInt(500), common.Shannon).String(),
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}
GpoFullBlockRatioFlag = cli.IntFlag{
Name: "gpofull",
Usage: "Full block threshold for gas price calculation (%)",
Value: 80,
}
GpobaseStepDownFlag = cli.IntFlag{
Name: "gpobasedown",
Usage: "Suggested gas price base step down ratio (1/1000)",
Value: 10,
}
GpobaseStepUpFlag = cli.IntFlag{
Name: "gpobaseup",
Usage: "Suggested gas price base step up ratio (1/1000)",
Value: 100,
}
GpobaseCorrectionFactorFlag = cli.IntFlag{
Name: "gpobasecf",
Usage: "Suggested gas price base correction factor (%)",
Value: 110,
}
)
// MakeNAT creates a port mapper from set command line flags.
func MakeNAT(ctx *cli.Context) nat.Interface {
natif, err := nat.Parse(ctx.GlobalString(NATFlag.Name))
if err != nil {
Fatalf("Option %s: %v", NATFlag.Name, err)
}
return natif
}
// MakeNodeKey creates a node key from set command line flags.
func MakeNodeKey(ctx *cli.Context) (key *ecdsa.PrivateKey) {
hex, file := ctx.GlobalString(NodeKeyHexFlag.Name), ctx.GlobalString(NodeKeyFileFlag.Name)
var err error
switch {
case file != "" && hex != "":
Fatalf("Options %q and %q are mutually exclusive", NodeKeyFileFlag.Name, NodeKeyHexFlag.Name)
case file != "":
if key, err = crypto.LoadECDSA(file); err != nil {
Fatalf("Option %q: %v", NodeKeyFileFlag.Name, err)
}
case hex != "":
if key, err = crypto.HexToECDSA(hex); err != nil {
Fatalf("Option %q: %v", NodeKeyHexFlag.Name, err)
}
}
return key
}
// MakeEthConfig creates ethereum options from set command line flags.
func MakeEthConfig(clientID, version string, ctx *cli.Context) *eth.Config {
customName := ctx.GlobalString(IdentityFlag.Name)
if len(customName) > 0 {
clientID += "/" + customName
}
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am := MakeAccountManager(ctx)
etherbase, err := ParamToAddress(ctx.GlobalString(EtherbaseFlag.Name), am)
if err != nil {
glog.V(logger.Error).Infoln("WARNING: No etherbase set and no accounts found as default")
}
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cfg := &eth.Config{
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Name: common.MakeName(clientID, version),
DataDir: MustDataDir(ctx),
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GenesisNonce: ctx.GlobalInt(GenesisNonceFlag.Name),
GenesisFile: ctx.GlobalString(GenesisFileFlag.Name),
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BlockChainVersion: ctx.GlobalInt(BlockchainVersionFlag.Name),
DatabaseCache: ctx.GlobalInt(CacheFlag.Name),
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SkipBcVersionCheck: false,
NetworkId: ctx.GlobalInt(NetworkIdFlag.Name),
LogFile: ctx.GlobalString(LogFileFlag.Name),
Verbosity: ctx.GlobalInt(VerbosityFlag.Name),
LogJSON: ctx.GlobalString(LogJSONFlag.Name),
Etherbase: common.HexToAddress(etherbase),
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MinerThreads: ctx.GlobalInt(MinerThreadsFlag.Name),
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AccountManager: am,
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VmDebug: ctx.GlobalBool(VMDebugFlag.Name),
MaxPeers: ctx.GlobalInt(MaxPeersFlag.Name),
MaxPendingPeers: ctx.GlobalInt(MaxPendingPeersFlag.Name),
Port: ctx.GlobalString(ListenPortFlag.Name),
Olympic: ctx.GlobalBool(OlympicFlag.Name),
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NAT: MakeNAT(ctx),
NatSpec: ctx.GlobalBool(NatspecEnabledFlag.Name),
Discovery: !ctx.GlobalBool(NoDiscoverFlag.Name),
NodeKey: MakeNodeKey(ctx),
Shh: ctx.GlobalBool(WhisperEnabledFlag.Name),
Dial: true,
BootNodes: ctx.GlobalString(BootnodesFlag.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),
}
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if ctx.GlobalBool(DevModeFlag.Name) && ctx.GlobalBool(TestNetFlag.Name) {
glog.Fatalf("%s and %s are mutually exclusive\n", DevModeFlag.Name, TestNetFlag.Name)
}
if ctx.GlobalBool(TestNetFlag.Name) {
// testnet is always stored in the testnet folder
cfg.DataDir += "/testnet"
cfg.NetworkId = 2
cfg.TestNet = true
}
if ctx.GlobalBool(DevModeFlag.Name) {
if !ctx.GlobalIsSet(VMDebugFlag.Name) {
cfg.VmDebug = true
}
if !ctx.GlobalIsSet(MaxPeersFlag.Name) {
cfg.MaxPeers = 0
}
if !ctx.GlobalIsSet(GasPriceFlag.Name) {
cfg.GasPrice = new(big.Int)
}
if !ctx.GlobalIsSet(ListenPortFlag.Name) {
cfg.Port = "0" // auto port
}
if !ctx.GlobalIsSet(WhisperEnabledFlag.Name) {
cfg.Shh = true
}
if !ctx.GlobalIsSet(DataDirFlag.Name) {
cfg.DataDir = os.TempDir() + "/ethereum_dev_mode"
}
cfg.PowTest = true
cfg.DevMode = true
glog.V(logger.Info).Infoln("dev mode enabled")
}
return cfg
}
// SetupLogger configures glog from the logging-related command line flags.
func SetupLogger(ctx *cli.Context) {
glog.SetV(ctx.GlobalInt(VerbosityFlag.Name))
glog.CopyStandardLogTo("INFO")
glog.SetToStderr(true)
glog.SetLogDir(ctx.GlobalString(LogFileFlag.Name))
}
// 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)
}
}
// SetupVM configured the VM package's global settings
func SetupVM(ctx *cli.Context) {
vm.EnableJit = ctx.GlobalBool(VMEnableJitFlag.Name)
vm.ForceJit = ctx.GlobalBool(VMForceJitFlag.Name)
vm.SetJITCacheSize(ctx.GlobalInt(VMJitCacheFlag.Name))
}
// SetupEth configures the eth packages global settings
func SetupEth(ctx *cli.Context) {
version := ctx.GlobalInt(EthVersionFlag.Name)
for len(eth.ProtocolVersions) > 0 && eth.ProtocolVersions[0] > uint(version) {
eth.ProtocolVersions = eth.ProtocolVersions[1:]
eth.ProtocolLengths = eth.ProtocolLengths[1:]
}
if len(eth.ProtocolVersions) == 0 {
Fatalf("No valid eth protocols remaining")
}
}
// MakeChain creates a chain manager from set command line flags.
func MakeChain(ctx *cli.Context) (chain *core.BlockChain, chainDb ethdb.Database) {
datadir := MustDataDir(ctx)
cache := ctx.GlobalInt(CacheFlag.Name)
var err error
if chainDb, err = ethdb.NewLDBDatabase(filepath.Join(datadir, "chaindata"), cache); err != nil {
Fatalf("Could not open database: %v", err)
}
if ctx.GlobalBool(OlympicFlag.Name) {
_, err := core.WriteTestNetGenesisBlock(chainDb, 42)
if err != nil {
glog.Fatalln(err)
}
}
eventMux := new(event.TypeMux)
pow := ethash.New()
//genesis := core.GenesisBlock(uint64(ctx.GlobalInt(GenesisNonceFlag.Name)), blockDB)
chain, err = core.NewBlockChain(chainDb, pow, eventMux)
if err != nil {
Fatalf("Could not start chainmanager: %v", err)
}
proc := core.NewBlockProcessor(chainDb, pow, chain, eventMux)
chain.SetProcessor(proc)
return chain, chainDb
}
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// MakeChain creates an account manager from set command line flags.
func MakeAccountManager(ctx *cli.Context) *accounts.Manager {
dataDir := MustDataDir(ctx)
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if ctx.GlobalBool(TestNetFlag.Name) {
dataDir += "/testnet"
}
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ks := crypto.NewKeyStorePassphrase(filepath.Join(dataDir, "keystore"))
return accounts.NewManager(ks)
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}
// MustDataDir retrieves the currently requested data directory, terminating if
// none (or the empty string) is specified.
func MustDataDir(ctx *cli.Context) string {
if path := ctx.GlobalString(DataDirFlag.Name); path != "" {
return path
}
Fatalf("Cannot determine default data directory, please set manually (--datadir)")
return ""
}
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func IpcSocketPath(ctx *cli.Context) (ipcpath string) {
if runtime.GOOS == "windows" {
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ipcpath = common.DefaultIpcPath()
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if ctx.GlobalIsSet(IPCPathFlag.Name) {
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ipcpath = ctx.GlobalString(IPCPathFlag.Name)
}
} else {
ipcpath = common.DefaultIpcPath()
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if ctx.GlobalIsSet(DataDirFlag.Name) {
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ipcpath = filepath.Join(ctx.GlobalString(DataDirFlag.Name), "geth.ipc")
}
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if ctx.GlobalIsSet(IPCPathFlag.Name) {
ipcpath = ctx.GlobalString(IPCPathFlag.Name)
}
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}
return
}
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func StartIPC(eth *eth.Ethereum, ctx *cli.Context) error {
config := comms.IpcConfig{
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Endpoint: IpcSocketPath(ctx),
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}
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initializer := func(conn net.Conn) (shared.EthereumApi, error) {
fe := useragent.NewRemoteFrontend(conn, eth.AccountManager())
xeth := xeth.New(eth, fe)
codec := codec.JSON
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apis, err := api.ParseApiString(ctx.GlobalString(IPCApiFlag.Name), codec, xeth, eth)
if err != nil {
return nil, err
}
return api.Merge(apis...), nil
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}
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return comms.StartIpc(config, codec.JSON, initializer)
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}
func StartRPC(eth *eth.Ethereum, ctx *cli.Context) error {
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config := comms.HttpConfig{
ListenAddress: ctx.GlobalString(RPCListenAddrFlag.Name),
ListenPort: uint(ctx.GlobalInt(RPCPortFlag.Name)),
CorsDomain: ctx.GlobalString(RPCCORSDomainFlag.Name),
}
xeth := xeth.New(eth, nil)
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codec := codec.JSON
apis, err := api.ParseApiString(ctx.GlobalString(RpcApiFlag.Name), codec, xeth, eth)
if err != nil {
return err
}
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return comms.StartHttp(config, codec, api.Merge(apis...))
}
func StartPProf(ctx *cli.Context) {
address := fmt.Sprintf("localhost:%d", ctx.GlobalInt(PProfPortFlag.Name))
go func() {
log.Println(http.ListenAndServe(address, nil))
}()
}
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func ParamToAddress(addr string, am *accounts.Manager) (addrHex string, err error) {
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if !((len(addr) == 40) || (len(addr) == 42)) { // with or without 0x
index, err := strconv.Atoi(addr)
if err != nil {
Fatalf("Invalid account address '%s'", addr)
}
addrHex, err = am.AddressByIndex(index)
if err != nil {
return "", err
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}
} else {
addrHex = addr
}
return
}