plugeth/cmd/utils/flags.go

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package utils
import (
"crypto/ecdsa"
"fmt"
"log"
"math/big"
"net/http"
"os"
"path/filepath"
"runtime"
"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"
"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"
"github.com/ethereum/go-ethereum/p2p/nat"
"github.com/ethereum/go-ethereum/rpc"
"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()},
}
ProtocolVersionFlag = cli.IntFlag{
Name: "protocolversion",
Usage: "ETH protocol version (integer)",
Value: eth.ProtocolVersion,
}
NetworkIdFlag = cli.IntFlag{
Name: "networkid",
Usage: "Network Id (integer)",
Value: eth.NetworkId,
}
BlockchainVersionFlag = cli.IntFlag{
Name: "blockchainversion",
Usage: "Blockchain version (integer)",
Value: core.BlockChainVersion,
}
IdentityFlag = cli.StringFlag{
Name: "identity",
Usage: "Custom node name",
}
NatspecEnabledFlag = cli.BoolFlag{
Name: "natspec",
Usage: "Enable NatSpec confirmation notice",
}
// miner settings
MinerThreadsFlag = cli.IntFlag{
Name: "minerthreads",
Usage: "Number of miner threads",
Value: runtime.NumCPU(),
}
MiningEnabledFlag = cli.BoolFlag{
Name: "mine",
Usage: "Enable mining",
}
EtherbaseFlag = cli.StringFlag{
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Name: "etherbase",
Usage: "Public address for block mining rewards. By default the address of your primary account is used",
Value: "primary",
}
GasPriceFlag = cli.StringFlag{
Name: "gasprice",
Usage: "Sets the minimal gasprice when mining transactions",
Value: new(big.Int).Mul(big.NewInt(10), common.Szabo).String(),
}
UnlockedAccountFlag = cli.StringFlag{
Name: "unlock",
Usage: "Unlock the account given until this program exits (prompts for password). '--unlock primary' unlocks the primary account",
Value: "",
}
PasswordFileFlag = cli.StringFlag{
Name: "password",
Usage: "Path to password file to use with options and subcommands needing a password",
Value: "",
}
// 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(),
}
VMDebugFlag = cli.BoolFlag{
Name: "vmdebug",
Usage: "Virtual Machine debug output",
}
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,
}
// 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: "",
}
// 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",
}
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",
}
)
func GetNAT(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
}
func GetNodeKey(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
}
func MakeEthConfig(clientID, version string, ctx *cli.Context) *eth.Config {
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// Set verbosity on glog
glog.SetV(ctx.GlobalInt(VerbosityFlag.Name))
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// Set the log type
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//glog.SetToStderr(ctx.GlobalBool(LogToStdErrFlag.Name))
glog.SetToStderr(true)
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// Set the log dir
glog.SetLogDir(ctx.GlobalString(LogFileFlag.Name))
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customName := ctx.GlobalString(IdentityFlag.Name)
if len(customName) > 0 {
clientID += "/" + customName
}
return &eth.Config{
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Name: common.MakeName(clientID, version),
DataDir: ctx.GlobalString(DataDirFlag.Name),
ProtocolVersion: ctx.GlobalInt(ProtocolVersionFlag.Name),
BlockChainVersion: ctx.GlobalInt(BlockchainVersionFlag.Name),
SkipBcVersionCheck: false,
NetworkId: ctx.GlobalInt(NetworkIdFlag.Name),
LogFile: ctx.GlobalString(LogFileFlag.Name),
Verbosity: ctx.GlobalInt(VerbosityFlag.Name),
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LogJSON: ctx.GlobalString(LogJSONFlag.Name),
Etherbase: ctx.GlobalString(EtherbaseFlag.Name),
MinerThreads: ctx.GlobalInt(MinerThreadsFlag.Name),
AccountManager: GetAccountManager(ctx),
VmDebug: ctx.GlobalBool(VMDebugFlag.Name),
MaxPeers: ctx.GlobalInt(MaxPeersFlag.Name),
MaxPendingPeers: ctx.GlobalInt(MaxPendingPeersFlag.Name),
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Port: ctx.GlobalString(ListenPortFlag.Name),
NAT: GetNAT(ctx),
NatSpec: ctx.GlobalBool(NatspecEnabledFlag.Name),
NodeKey: GetNodeKey(ctx),
Shh: ctx.GlobalBool(WhisperEnabledFlag.Name),
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Dial: true,
BootNodes: ctx.GlobalString(BootnodesFlag.Name),
GasPrice: common.String2Big(ctx.GlobalString(GasPriceFlag.Name)),
}
}
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func GetChain(ctx *cli.Context) (*core.ChainManager, common.Database, common.Database) {
dataDir := ctx.GlobalString(DataDirFlag.Name)
blockDb, err := ethdb.NewLDBDatabase(filepath.Join(dataDir, "blockchain"))
if err != nil {
Fatalf("Could not open database: %v", err)
}
stateDb, err := ethdb.NewLDBDatabase(filepath.Join(dataDir, "state"))
if err != nil {
Fatalf("Could not open database: %v", err)
}
extraDb, err := ethdb.NewLDBDatabase(filepath.Join(dataDir, "extra"))
if err != nil {
Fatalf("Could not open database: %v", err)
}
eventMux := new(event.TypeMux)
chainManager := core.NewChainManager(blockDb, stateDb, eventMux)
pow := ethash.New()
txPool := core.NewTxPool(eventMux, chainManager.State, chainManager.GasLimit)
blockProcessor := core.NewBlockProcessor(stateDb, extraDb, pow, txPool, chainManager, eventMux)
chainManager.SetProcessor(blockProcessor)
return chainManager, blockDb, stateDb
}
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func GetAccountManager(ctx *cli.Context) *accounts.Manager {
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dataDir := ctx.GlobalString(DataDirFlag.Name)
ks := crypto.NewKeyStorePassphrase(filepath.Join(dataDir, "keys"))
return accounts.NewManager(ks)
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}
func StartRPC(eth *eth.Ethereum, ctx *cli.Context) error {
config := rpc.RpcConfig{
ListenAddress: ctx.GlobalString(RPCListenAddrFlag.Name),
ListenPort: uint(ctx.GlobalInt(RPCPortFlag.Name)),
CorsDomain: ctx.GlobalString(RPCCORSDomainFlag.Name),
}
xeth := xeth.New(eth, nil)
return rpc.Start(xeth, config)
}
func StartPProf(ctx *cli.Context) {
address := fmt.Sprintf("localhost:%d", ctx.GlobalInt(PProfPortFlag.Name))
go func() {
log.Println(http.ListenAndServe(address, nil))
}()
}