add an option to call geth entry; add vendor

3 files changed, 2301 insertions, 0 deletions

diff --git a/cmd/utils/cmd.go b/cmd/utils/cmd.go
new file mode 100644
index 0000000..97597bb
--- /dev/null
+++ b/cmd/utils/cmd.go
@@ -0,0 +1,314 @@
+// Copyright 2014 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
+// 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/>.
+
+// Package utils contains internal helper functions for go-ethereum commands.
+package utils
+
+import (
+	"compress/gzip"
+	"fmt"
+	"io"
+	"os"
+	"os/signal"
+	"runtime"
+	"strings"
+	"syscall"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core"
+	"github.com/ethereum/go-ethereum/core/rawdb"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/Determinant/coreth/internal/debug"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/node"
+	"github.com/ethereum/go-ethereum/rlp"
+)
+
+const (
+	importBatchSize = 2500
+)
+
+// Fatalf formats a message to standard error and exits the program.
+// The message is also printed to standard output if standard error
+// is redirected to a different file.
+func Fatalf(format string, args ...interface{}) {
+	w := io.MultiWriter(os.Stdout, os.Stderr)
+	if runtime.GOOS == "windows" {
+		// The SameFile check below doesn't work on Windows.
+		// stdout is unlikely to get redirected though, so just print there.
+		w = os.Stdout
+	} else {
+		outf, _ := os.Stdout.Stat()
+		errf, _ := os.Stderr.Stat()
+		if outf != nil && errf != nil && os.SameFile(outf, errf) {
+			w = os.Stderr
+		}
+	}
+	fmt.Fprintf(w, "Fatal: "+format+"\n", args...)
+	os.Exit(1)
+}
+
+func StartNode(stack *node.Node) {
+	if err := stack.Start(); err != nil {
+		Fatalf("Error starting protocol stack: %v", err)
+	}
+	go func() {
+		sigc := make(chan os.Signal, 1)
+		signal.Notify(sigc, syscall.SIGINT, syscall.SIGTERM)
+		defer signal.Stop(sigc)
+		<-sigc
+		log.Info("Got interrupt, shutting down...")
+		go stack.Stop()
+		for i := 10; i > 0; i-- {
+			<-sigc
+			if i > 1 {
+				log.Warn("Already shutting down, interrupt more to panic.", "times", i-1)
+			}
+		}
+		debug.Exit() // ensure trace and CPU profile data is flushed.
+		debug.LoudPanic("boom")
+	}()
+}
+
+func ImportChain(chain *core.BlockChain, fn string) error {
+	// Watch for Ctrl-C while the import is running.
+	// If a signal is received, the import will stop at the next batch.
+	interrupt := make(chan os.Signal, 1)
+	stop := make(chan struct{})
+	signal.Notify(interrupt, syscall.SIGINT, syscall.SIGTERM)
+	defer signal.Stop(interrupt)
+	defer close(interrupt)
+	go func() {
+		if _, ok := <-interrupt; ok {
+			log.Info("Interrupted during import, stopping at next batch")
+		}
+		close(stop)
+	}()
+	checkInterrupt := func() bool {
+		select {
+		case <-stop:
+			return true
+		default:
+			return false
+		}
+	}
+
+	log.Info("Importing blockchain", "file", fn)
+
+	// Open the file handle and potentially unwrap the gzip stream
+	fh, err := os.Open(fn)
+	if err != nil {
+		return err
+	}
+	defer fh.Close()
+
+	var reader io.Reader = fh
+	if strings.HasSuffix(fn, ".gz") {
+		if reader, err = gzip.NewReader(reader); err != nil {
+			return err
+		}
+	}
+	stream := rlp.NewStream(reader, 0)
+
+	// Run actual the import.
+	blocks := make(types.Blocks, importBatchSize)
+	n := 0
+	for batch := 0; ; batch++ {
+		// Load a batch of RLP blocks.
+		if checkInterrupt() {
+			return fmt.Errorf("interrupted")
+		}
+		i := 0
+		for ; i < importBatchSize; i++ {
+			var b types.Block
+			if err := stream.Decode(&b); err == io.EOF {
+				break
+			} else if err != nil {
+				return fmt.Errorf("at block %d: %v", n, err)
+			}
+			// don't import first block
+			if b.NumberU64() == 0 {
+				i--
+				continue
+			}
+			blocks[i] = &b
+			n++
+		}
+		if i == 0 {
+			break
+		}
+		// Import the batch.
+		if checkInterrupt() {
+			return fmt.Errorf("interrupted")
+		}
+		missing := missingBlocks(chain, blocks[:i])
+		if len(missing) == 0 {
+			log.Info("Skipping batch as all blocks present", "batch", batch, "first", blocks[0].Hash(), "last", blocks[i-1].Hash())
+			continue
+		}
+		if _, err := chain.InsertChain(missing); err != nil {
+			return fmt.Errorf("invalid block %d: %v", n, err)
+		}
+	}
+	return nil
+}
+
+func missingBlocks(chain *core.BlockChain, blocks []*types.Block) []*types.Block {
+	head := chain.CurrentBlock()
+	for i, block := range blocks {
+		// If we're behind the chain head, only check block, state is available at head
+		if head.NumberU64() > block.NumberU64() {
+			if !chain.HasBlock(block.Hash(), block.NumberU64()) {
+				return blocks[i:]
+			}
+			continue
+		}
+		// If we're above the chain head, state availability is a must
+		if !chain.HasBlockAndState(block.Hash(), block.NumberU64()) {
+			return blocks[i:]
+		}
+	}
+	return nil
+}
+
+// ExportChain exports a blockchain into the specified file, truncating any data
+// already present in the file.
+func ExportChain(blockchain *core.BlockChain, fn string) error {
+	log.Info("Exporting blockchain", "file", fn)
+
+	// Open the file handle and potentially wrap with a gzip stream
+	fh, err := os.OpenFile(fn, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
+	if err != nil {
+		return err
+	}
+	defer fh.Close()
+
+	var writer io.Writer = fh
+	if strings.HasSuffix(fn, ".gz") {
+		writer = gzip.NewWriter(writer)
+		defer writer.(*gzip.Writer).Close()
+	}
+	// Iterate over the blocks and export them
+	if err := blockchain.Export(writer); err != nil {
+		return err
+	}
+	log.Info("Exported blockchain", "file", fn)
+
+	return nil
+}
+
+// ExportAppendChain exports a blockchain into the specified file, appending to
+// the file if data already exists in it.
+func ExportAppendChain(blockchain *core.BlockChain, fn string, first uint64, last uint64) error {
+	log.Info("Exporting blockchain", "file", fn)
+
+	// Open the file handle and potentially wrap with a gzip stream
+	fh, err := os.OpenFile(fn, os.O_CREATE|os.O_APPEND|os.O_WRONLY, os.ModePerm)
+	if err != nil {
+		return err
+	}
+	defer fh.Close()
+
+	var writer io.Writer = fh
+	if strings.HasSuffix(fn, ".gz") {
+		writer = gzip.NewWriter(writer)
+		defer writer.(*gzip.Writer).Close()
+	}
+	// Iterate over the blocks and export them
+	if err := blockchain.ExportN(writer, first, last); err != nil {
+		return err
+	}
+	log.Info("Exported blockchain to", "file", fn)
+	return nil
+}
+
+// ImportPreimages imports a batch of exported hash preimages into the database.
+func ImportPreimages(db ethdb.Database, fn string) error {
+	log.Info("Importing preimages", "file", fn)
+
+	// Open the file handle and potentially unwrap the gzip stream
+	fh, err := os.Open(fn)
+	if err != nil {
+		return err
+	}
+	defer fh.Close()
+
+	var reader io.Reader = fh
+	if strings.HasSuffix(fn, ".gz") {
+		if reader, err = gzip.NewReader(reader); err != nil {
+			return err
+		}
+	}
+	stream := rlp.NewStream(reader, 0)
+
+	// Import the preimages in batches to prevent disk trashing
+	preimages := make(map[common.Hash][]byte)
+
+	for {
+		// Read the next entry and ensure it's not junk
+		var blob []byte
+
+		if err := stream.Decode(&blob); err != nil {
+			if err == io.EOF {
+				break
+			}
+			return err
+		}
+		// Accumulate the preimages and flush when enough ws gathered
+		preimages[crypto.Keccak256Hash(blob)] = common.CopyBytes(blob)
+		if len(preimages) > 1024 {
+			rawdb.WritePreimages(db, preimages)
+			preimages = make(map[common.Hash][]byte)
+		}
+	}
+	// Flush the last batch preimage data
+	if len(preimages) > 0 {
+		rawdb.WritePreimages(db, preimages)
+	}
+	return nil
+}
+
+// ExportPreimages exports all known hash preimages into the specified file,
+// truncating any data already present in the file.
+func ExportPreimages(db ethdb.Database, fn string) error {
+	log.Info("Exporting preimages", "file", fn)
+
+	// Open the file handle and potentially wrap with a gzip stream
+	fh, err := os.OpenFile(fn, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
+	if err != nil {
+		return err
+	}
+	defer fh.Close()
+
+	var writer io.Writer = fh
+	if strings.HasSuffix(fn, ".gz") {
+		writer = gzip.NewWriter(writer)
+		defer writer.(*gzip.Writer).Close()
+	}
+	// Iterate over the preimages and export them
+	it := db.NewIteratorWithPrefix([]byte("secure-key-"))
+	defer it.Release()
+
+	for it.Next() {
+		if err := rlp.Encode(writer, it.Value()); err != nil {
+			return err
+		}
+	}
+	log.Info("Exported preimages", "file", fn)
+	return nil
+}
diff --git a/cmd/utils/customflags.go b/cmd/utils/customflags.go
new file mode 100644
index 0000000..e5bf872
--- /dev/null
+++ b/cmd/utils/customflags.go
@@ -0,0 +1,240 @@
+// 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
+// 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/>.
+
+package utils
+
+import (
+	"encoding"
+	"errors"
+	"flag"
+	"fmt"
+	"math/big"
+	"os"
+	"os/user"
+	"path"
+	"strings"
+
+	"github.com/ethereum/go-ethereum/common/math"
+	"gopkg.in/urfave/cli.v1"
+)
+
+// Custom type which is registered in the flags library which cli uses for
+// argument parsing. This allows us to expand Value to an absolute path when
+// the argument is parsed
+type DirectoryString struct {
+	Value string
+}
+
+func (self *DirectoryString) String() string {
+	return self.Value
+}
+
+func (self *DirectoryString) Set(value string) error {
+	self.Value = expandPath(value)
+	return nil
+}
+
+// Custom cli.Flag type which expand the received string to an absolute path.
+// e.g. ~/.ethereum -> /home/username/.ethereum
+type DirectoryFlag struct {
+	Name  string
+	Value DirectoryString
+	Usage string
+}
+
+func (self DirectoryFlag) String() string {
+	fmtString := "%s %v\t%v"
+	if len(self.Value.Value) > 0 {
+		fmtString = "%s \"%v\"\t%v"
+	}
+	return fmt.Sprintf(fmtString, prefixedNames(self.Name), self.Value.Value, self.Usage)
+}
+
+func eachName(longName string, fn func(string)) {
+	parts := strings.Split(longName, ",")
+	for _, name := range parts {
+		name = strings.Trim(name, " ")
+		fn(name)
+	}
+}
+
+// called by cli library, grabs variable from environment (if in env)
+// and adds variable to flag set for parsing.
+func (self DirectoryFlag) Apply(set *flag.FlagSet) {
+	eachName(self.Name, func(name string) {
+		set.Var(&self.Value, self.Name, self.Usage)
+	})
+}
+
+type TextMarshaler interface {
+	encoding.TextMarshaler
+	encoding.TextUnmarshaler
+}
+
+// textMarshalerVal turns a TextMarshaler into a flag.Value
+type textMarshalerVal struct {
+	v TextMarshaler
+}
+
+func (v textMarshalerVal) String() string {
+	if v.v == nil {
+		return ""
+	}
+	text, _ := v.v.MarshalText()
+	return string(text)
+}
+
+func (v textMarshalerVal) Set(s string) error {
+	return v.v.UnmarshalText([]byte(s))
+}
+
+// TextMarshalerFlag wraps a TextMarshaler value.
+type TextMarshalerFlag struct {
+	Name  string
+	Value TextMarshaler
+	Usage string
+}
+
+func (f TextMarshalerFlag) GetName() string {
+	return f.Name
+}
+
+func (f TextMarshalerFlag) String() string {
+	return fmt.Sprintf("%s \"%v\"\t%v", prefixedNames(f.Name), f.Value, f.Usage)
+}
+
+func (f TextMarshalerFlag) Apply(set *flag.FlagSet) {
+	eachName(f.Name, func(name string) {
+		set.Var(textMarshalerVal{f.Value}, f.Name, f.Usage)
+	})
+}
+
+// GlobalTextMarshaler returns the value of a TextMarshalerFlag from the global flag set.
+func GlobalTextMarshaler(ctx *cli.Context, name string) TextMarshaler {
+	val := ctx.GlobalGeneric(name)
+	if val == nil {
+		return nil
+	}
+	return val.(textMarshalerVal).v
+}
+
+// BigFlag is a command line flag that accepts 256 bit big integers in decimal or
+// hexadecimal syntax.
+type BigFlag struct {
+	Name  string
+	Value *big.Int
+	Usage string
+}
+
+// bigValue turns *big.Int into a flag.Value
+type bigValue big.Int
+
+func (b *bigValue) String() string {
+	if b == nil {
+		return ""
+	}
+	return (*big.Int)(b).String()
+}
+
+func (b *bigValue) Set(s string) error {
+	int, ok := math.ParseBig256(s)
+	if !ok {
+		return errors.New("invalid integer syntax")
+	}
+	*b = (bigValue)(*int)
+	return nil
+}
+
+func (f BigFlag) GetName() string {
+	return f.Name
+}
+
+func (f BigFlag) String() string {
+	fmtString := "%s %v\t%v"
+	if f.Value != nil {
+		fmtString = "%s \"%v\"\t%v"
+	}
+	return fmt.Sprintf(fmtString, prefixedNames(f.Name), f.Value, f.Usage)
+}
+
+func (f BigFlag) Apply(set *flag.FlagSet) {
+	eachName(f.Name, func(name string) {
+		set.Var((*bigValue)(f.Value), f.Name, f.Usage)
+	})
+}
+
+// GlobalBig returns the value of a BigFlag from the global flag set.
+func GlobalBig(ctx *cli.Context, name string) *big.Int {
+	val := ctx.GlobalGeneric(name)
+	if val == nil {
+		return nil
+	}
+	return (*big.Int)(val.(*bigValue))
+}
+
+func prefixFor(name string) (prefix string) {
+	if len(name) == 1 {
+		prefix = "-"
+	} else {
+		prefix = "--"
+	}
+
+	return
+}
+
+func prefixedNames(fullName string) (prefixed string) {
+	parts := strings.Split(fullName, ",")
+	for i, name := range parts {
+		name = strings.Trim(name, " ")
+		prefixed += prefixFor(name) + name
+		if i < len(parts)-1 {
+			prefixed += ", "
+		}
+	}
+	return
+}
+
+func (self DirectoryFlag) GetName() string {
+	return self.Name
+}
+
+func (self *DirectoryFlag) Set(value string) {
+	self.Value.Value = value
+}
+
+// Expands a file path
+// 1. replace tilde with users home dir
+// 2. expands embedded environment variables
+// 3. cleans the path, e.g. /a/b/../c -> /a/c
+// Note, it has limitations, e.g. ~someuser/tmp will not be expanded
+func expandPath(p string) string {
+	if strings.HasPrefix(p, "~/") || strings.HasPrefix(p, "~\\") {
+		if home := homeDir(); home != "" {
+			p = home + p[1:]
+		}
+	}
+	return path.Clean(os.ExpandEnv(p))
+}
+
+func homeDir() string {
+	if home := os.Getenv("HOME"); home != "" {
+		return home
+	}
+	if usr, err := user.Current(); err == nil {
+		return usr.HomeDir
+	}
+	return ""
+}
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
new file mode 100644
index 0000000..7e28dff
--- /dev/null
+++ b/cmd/utils/flags.go
@@ -0,0 +1,1747 @@
+// 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
+// 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/>.
+
+// Package utils contains internal helper functions for go-ethereum commands.
+package utils
+
+import (
+	"crypto/ecdsa"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"math/big"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/ethereum/go-ethereum/accounts"
+	"github.com/ethereum/go-ethereum/accounts/keystore"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/fdlimit"
+	"github.com/ethereum/go-ethereum/consensus"
+	"github.com/ethereum/go-ethereum/consensus/clique"
+	"github.com/ethereum/go-ethereum/consensus/ethash"
+	"github.com/ethereum/go-ethereum/core"
+	"github.com/ethereum/go-ethereum/core/vm"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/dashboard"
+	"github.com/ethereum/go-ethereum/eth"
+	"github.com/ethereum/go-ethereum/eth/downloader"
+	"github.com/ethereum/go-ethereum/eth/gasprice"
+	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/ethstats"
+	"github.com/ethereum/go-ethereum/graphql"
+	"github.com/ethereum/go-ethereum/les"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/metrics"
+	"github.com/ethereum/go-ethereum/metrics/influxdb"
+	"github.com/ethereum/go-ethereum/miner"
+	"github.com/ethereum/go-ethereum/node"
+	"github.com/ethereum/go-ethereum/p2p"
+	"github.com/ethereum/go-ethereum/p2p/discv5"
+	"github.com/ethereum/go-ethereum/p2p/enode"
+	"github.com/ethereum/go-ethereum/p2p/nat"
+	"github.com/ethereum/go-ethereum/p2p/netutil"
+	"github.com/ethereum/go-ethereum/params"
+	"github.com/ethereum/go-ethereum/rpc"
+	whisper "github.com/ethereum/go-ethereum/whisper/whisperv6"
+	pcsclite "github.com/gballet/go-libpcsclite"
+	cli "gopkg.in/urfave/cli.v1"
+)
+
+var (
+	CommandHelpTemplate = `{{.cmd.Name}}{{if .cmd.Subcommands}} command{{end}}{{if .cmd.Flags}} [command options]{{end}} [arguments...]
+{{if .cmd.Description}}{{.cmd.Description}}
+{{end}}{{if .cmd.Subcommands}}
+SUBCOMMANDS:
+	{{range .cmd.Subcommands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}}
+	{{end}}{{end}}{{if .categorizedFlags}}
+{{range $idx, $categorized := .categorizedFlags}}{{$categorized.Name}} OPTIONS:
+{{range $categorized.Flags}}{{"\t"}}{{.}}
+{{end}}
+{{end}}{{end}}`
+)
+
+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 = CommandHelpTemplate
+}
+
+// NewApp creates an app with sane defaults.
+func NewApp(gitCommit, gitDate, usage string) *cli.App {
+	app := cli.NewApp()
+	app.Name = filepath.Base(os.Args[0])
+	app.Author = ""
+	app.Email = ""
+	app.Version = params.VersionWithCommit(gitCommit, gitDate)
+	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 for the databases and keystore",
+		Value: DirectoryString{node.DefaultDataDir()},
+	}
+	AncientFlag = DirectoryFlag{
+		Name:  "datadir.ancient",
+		Usage: "Data directory for ancient chain segments (default = inside chaindata)",
+	}
+	KeyStoreDirFlag = DirectoryFlag{
+		Name:  "keystore",
+		Usage: "Directory for the keystore (default = inside the datadir)",
+	}
+	NoUSBFlag = cli.BoolFlag{
+		Name:  "nousb",
+		Usage: "Disables monitoring for and managing USB hardware wallets",
+	}
+	SmartCardDaemonPathFlag = cli.StringFlag{
+		Name:  "pcscdpath",
+		Usage: "Path to the smartcard daemon (pcscd) socket file",
+		Value: pcsclite.PCSCDSockName,
+	}
+	NetworkIdFlag = cli.Uint64Flag{
+		Name:  "networkid",
+		Usage: "Network identifier (integer, 1=Frontier, 2=Morden (disused), 3=Ropsten, 4=Rinkeby)",
+		Value: eth.DefaultConfig.NetworkId,
+	}
+	TestnetFlag = cli.BoolFlag{
+		Name:  "testnet",
+		Usage: "Ropsten network: pre-configured proof-of-work test network",
+	}
+	RinkebyFlag = cli.BoolFlag{
+		Name:  "rinkeby",
+		Usage: "Rinkeby network: pre-configured proof-of-authority test network",
+	}
+	GoerliFlag = cli.BoolFlag{
+		Name:  "goerli",
+		Usage: "Görli network: pre-configured proof-of-authority test network",
+	}
+	DeveloperFlag = cli.BoolFlag{
+		Name:  "dev",
+		Usage: "Ephemeral proof-of-authority network with a pre-funded developer account, mining enabled",
+	}
+	DeveloperPeriodFlag = cli.IntFlag{
+		Name:  "dev.period",
+		Usage: "Block period to use in developer mode (0 = mine only if transaction pending)",
+	}
+	IdentityFlag = cli.StringFlag{
+		Name:  "identity",
+		Usage: "Custom node name",
+	}
+	DocRootFlag = DirectoryFlag{
+		Name:  "docroot",
+		Usage: "Document Root for HTTPClient file scheme",
+		Value: DirectoryString{homeDir()},
+	}
+	ExitWhenSyncedFlag = cli.BoolFlag{
+		Name:  "exitwhensynced",
+		Usage: "Exits after block synchronisation completes",
+	}
+	IterativeOutputFlag = cli.BoolFlag{
+		Name:  "iterative",
+		Usage: "Print streaming JSON iteratively, delimited by newlines",
+	}
+	ExcludeStorageFlag = cli.BoolFlag{
+		Name:  "nostorage",
+		Usage: "Exclude storage entries (save db lookups)",
+	}
+	IncludeIncompletesFlag = cli.BoolFlag{
+		Name:  "incompletes",
+		Usage: "Include accounts for which we don't have the address (missing preimage)",
+	}
+	ExcludeCodeFlag = cli.BoolFlag{
+		Name:  "nocode",
+		Usage: "Exclude contract code (save db lookups)",
+	}
+	defaultSyncMode = eth.DefaultConfig.SyncMode
+	SyncModeFlag    = TextMarshalerFlag{
+		Name:  "syncmode",
+		Usage: `Blockchain sync mode ("fast", "full", or "light")`,
+		Value: &defaultSyncMode,
+	}
+	GCModeFlag = cli.StringFlag{
+		Name:  "gcmode",
+		Usage: `Blockchain garbage collection mode ("full", "archive")`,
+		Value: "full",
+	}
+	LightKDFFlag = cli.BoolFlag{
+		Name:  "lightkdf",
+		Usage: "Reduce key-derivation RAM & CPU usage at some expense of KDF strength",
+	}
+	WhitelistFlag = cli.StringFlag{
+		Name:  "whitelist",
+		Usage: "Comma separated block number-to-hash mappings to enforce (<number>=<hash>)",
+	}
+	// Light server and client settings
+	LightLegacyServFlag = cli.IntFlag{ // Deprecated in favor of light.serve, remove in 2021
+		Name:  "lightserv",
+		Usage: "Maximum percentage of time allowed for serving LES requests (deprecated, use --light.serve)",
+		Value: eth.DefaultConfig.LightServ,
+	}
+	LightServeFlag = cli.IntFlag{
+		Name:  "light.serve",
+		Usage: "Maximum percentage of time allowed for serving LES requests (multi-threaded processing allows values over 100)",
+		Value: eth.DefaultConfig.LightServ,
+	}
+	LightIngressFlag = cli.IntFlag{
+		Name:  "light.ingress",
+		Usage: "Incoming bandwidth limit for serving light clients (kilobytes/sec, 0 = unlimited)",
+		Value: eth.DefaultConfig.LightIngress,
+	}
+	LightEgressFlag = cli.IntFlag{
+		Name:  "light.egress",
+		Usage: "Outgoing bandwidth limit for serving light clients (kilobytes/sec, 0 = unlimited)",
+		Value: eth.DefaultConfig.LightEgress,
+	}
+	LightLegacyPeersFlag = cli.IntFlag{ // Deprecated in favor of light.maxpeers, remove in 2021
+		Name:  "lightpeers",
+		Usage: "Maximum number of light clients to serve, or light servers to attach to  (deprecated, use --light.maxpeers)",
+		Value: eth.DefaultConfig.LightPeers,
+	}
+	LightMaxPeersFlag = cli.IntFlag{
+		Name:  "light.maxpeers",
+		Usage: "Maximum number of light clients to serve, or light servers to attach to",
+		Value: eth.DefaultConfig.LightPeers,
+	}
+	UltraLightServersFlag = cli.StringFlag{
+		Name:  "ulc.servers",
+		Usage: "List of trusted ultra-light servers",
+		Value: strings.Join(eth.DefaultConfig.UltraLightServers, ","),
+	}
+	UltraLightFractionFlag = cli.IntFlag{
+		Name:  "ulc.fraction",
+		Usage: "Minimum % of trusted ultra-light servers required to announce a new head",
+		Value: eth.DefaultConfig.UltraLightFraction,
+	}
+	UltraLightOnlyAnnounceFlag = cli.BoolFlag{
+		Name:  "ulc.onlyannounce",
+		Usage: "Ultra light server sends announcements only",
+	}
+	// Dashboard settings
+	DashboardEnabledFlag = cli.BoolFlag{
+		Name:  "dashboard",
+		Usage: "Enable the dashboard",
+	}
+	DashboardAddrFlag = cli.StringFlag{
+		Name:  "dashboard.addr",
+		Usage: "Dashboard listening interface",
+		Value: dashboard.DefaultConfig.Host,
+	}
+	DashboardPortFlag = cli.IntFlag{
+		Name:  "dashboard.host",
+		Usage: "Dashboard listening port",
+		Value: dashboard.DefaultConfig.Port,
+	}
+	DashboardRefreshFlag = cli.DurationFlag{
+		Name:  "dashboard.refresh",
+		Usage: "Dashboard metrics collection refresh rate",
+		Value: dashboard.DefaultConfig.Refresh,
+	}
+	// Ethash settings
+	EthashCacheDirFlag = DirectoryFlag{
+		Name:  "ethash.cachedir",
+		Usage: "Directory to store the ethash verification caches (default = inside the datadir)",
+	}
+	EthashCachesInMemoryFlag = cli.IntFlag{
+		Name:  "ethash.cachesinmem",
+		Usage: "Number of recent ethash caches to keep in memory (16MB each)",
+		Value: eth.DefaultConfig.Ethash.CachesInMem,
+	}
+	EthashCachesOnDiskFlag = cli.IntFlag{
+		Name:  "ethash.cachesondisk",
+		Usage: "Number of recent ethash caches to keep on disk (16MB each)",
+		Value: eth.DefaultConfig.Ethash.CachesOnDisk,
+	}
+	EthashDatasetDirFlag = DirectoryFlag{
+		Name:  "ethash.dagdir",
+		Usage: "Directory to store the ethash mining DAGs (default = inside home folder)",
+		Value: DirectoryString{eth.DefaultConfig.Ethash.DatasetDir},
+	}
+	EthashDatasetsInMemoryFlag = cli.IntFlag{
+		Name:  "ethash.dagsinmem",
+		Usage: "Number of recent ethash mining DAGs to keep in memory (1+GB each)",
+		Value: eth.DefaultConfig.Ethash.DatasetsInMem,
+	}
+	EthashDatasetsOnDiskFlag = cli.IntFlag{
+		Name:  "ethash.dagsondisk",
+		Usage: "Number of recent ethash mining DAGs to keep on disk (1+GB each)",
+		Value: eth.DefaultConfig.Ethash.DatasetsOnDisk,
+	}
+	// Transaction pool settings
+	TxPoolLocalsFlag = cli.StringFlag{
+		Name:  "txpool.locals",
+		Usage: "Comma separated accounts to treat as locals (no flush, priority inclusion)",
+	}
+	TxPoolNoLocalsFlag = cli.BoolFlag{
+		Name:  "txpool.nolocals",
+		Usage: "Disables price exemptions for locally submitted transactions",
+	}
+	TxPoolJournalFlag = cli.StringFlag{
+		Name:  "txpool.journal",
+		Usage: "Disk journal for local transaction to survive node restarts",
+		Value: core.DefaultTxPoolConfig.Journal,
+	}
+	TxPoolRejournalFlag = cli.DurationFlag{
+		Name:  "txpool.rejournal",
+		Usage: "Time interval to regenerate the local transaction journal",
+		Value: core.DefaultTxPoolConfig.Rejournal,
+	}
+	TxPoolPriceLimitFlag = cli.Uint64Flag{
+		Name:  "txpool.pricelimit",
+		Usage: "Minimum gas price limit to enforce for acceptance into the pool",
+		Value: eth.DefaultConfig.TxPool.PriceLimit,
+	}
+	TxPoolPriceBumpFlag = cli.Uint64Flag{
+		Name:  "txpool.pricebump",
+		Usage: "Price bump percentage to replace an already existing transaction",
+		Value: eth.DefaultConfig.TxPool.PriceBump,
+	}
+	TxPoolAccountSlotsFlag = cli.Uint64Flag{
+		Name:  "txpool.accountslots",
+		Usage: "Minimum number of executable transaction slots guaranteed per account",
+		Value: eth.DefaultConfig.TxPool.AccountSlots,
+	}
+	TxPoolGlobalSlotsFlag = cli.Uint64Flag{
+		Name:  "txpool.globalslots",
+		Usage: "Maximum number of executable transaction slots for all accounts",
+		Value: eth.DefaultConfig.TxPool.GlobalSlots,
+	}
+	TxPoolAccountQueueFlag = cli.Uint64Flag{
+		Name:  "txpool.accountqueue",
+		Usage: "Maximum number of non-executable transaction slots permitted per account",
+		Value: eth.DefaultConfig.TxPool.AccountQueue,
+	}
+	TxPoolGlobalQueueFlag = cli.Uint64Flag{
+		Name:  "txpool.globalqueue",
+		Usage: "Maximum number of non-executable transaction slots for all accounts",
+		Value: eth.DefaultConfig.TxPool.GlobalQueue,
+	}
+	TxPoolLifetimeFlag = cli.DurationFlag{
+		Name:  "txpool.lifetime",
+		Usage: "Maximum amount of time non-executable transaction are queued",
+		Value: eth.DefaultConfig.TxPool.Lifetime,
+	}
+	// Performance tuning settings
+	CacheFlag = cli.IntFlag{
+		Name:  "cache",
+		Usage: "Megabytes of memory allocated to internal caching (default = 4096 mainnet full node, 128 light mode)",
+		Value: 1024,
+	}
+	CacheDatabaseFlag = cli.IntFlag{
+		Name:  "cache.database",
+		Usage: "Percentage of cache memory allowance to use for database io",
+		Value: 50,
+	}
+	CacheTrieFlag = cli.IntFlag{
+		Name:  "cache.trie",
+		Usage: "Percentage of cache memory allowance to use for trie caching (default = 25% full mode, 50% archive mode)",
+		Value: 25,
+	}
+	CacheGCFlag = cli.IntFlag{
+		Name:  "cache.gc",
+		Usage: "Percentage of cache memory allowance to use for trie pruning (default = 25% full mode, 0% archive mode)",
+		Value: 25,
+	}
+	CacheNoPrefetchFlag = cli.BoolFlag{
+		Name:  "cache.noprefetch",
+		Usage: "Disable heuristic state prefetch during block import (less CPU and disk IO, more time waiting for data)",
+	}
+	// Miner settings
+	MiningEnabledFlag = cli.BoolFlag{
+		Name:  "mine",
+		Usage: "Enable mining",
+	}
+	MinerThreadsFlag = cli.IntFlag{
+		Name:  "miner.threads",
+		Usage: "Number of CPU threads to use for mining",
+		Value: 0,
+	}
+	MinerLegacyThreadsFlag = cli.IntFlag{
+		Name:  "minerthreads",
+		Usage: "Number of CPU threads to use for mining (deprecated, use --miner.threads)",
+		Value: 0,
+	}
+	MinerNotifyFlag = cli.StringFlag{
+		Name:  "miner.notify",
+		Usage: "Comma separated HTTP URL list to notify of new work packages",
+	}
+	MinerGasTargetFlag = cli.Uint64Flag{
+		Name:  "miner.gastarget",
+		Usage: "Target gas floor for mined blocks",
+		Value: eth.DefaultConfig.Miner.GasFloor,
+	}
+	MinerLegacyGasTargetFlag = cli.Uint64Flag{
+		Name:  "targetgaslimit",
+		Usage: "Target gas floor for mined blocks (deprecated, use --miner.gastarget)",
+		Value: eth.DefaultConfig.Miner.GasFloor,
+	}
+	MinerGasLimitFlag = cli.Uint64Flag{
+		Name:  "miner.gaslimit",
+		Usage: "Target gas ceiling for mined blocks",
+		Value: eth.DefaultConfig.Miner.GasCeil,
+	}
+	MinerGasPriceFlag = BigFlag{
+		Name:  "miner.gasprice",
+		Usage: "Minimum gas price for mining a transaction",
+		Value: eth.DefaultConfig.Miner.GasPrice,
+	}
+	MinerLegacyGasPriceFlag = BigFlag{
+		Name:  "gasprice",
+		Usage: "Minimum gas price for mining a transaction (deprecated, use --miner.gasprice)",
+		Value: eth.DefaultConfig.Miner.GasPrice,
+	}
+	MinerEtherbaseFlag = cli.StringFlag{
+		Name:  "miner.etherbase",
+		Usage: "Public address for block mining rewards (default = first account)",
+		Value: "0",
+	}
+	MinerLegacyEtherbaseFlag = cli.StringFlag{
+		Name:  "etherbase",
+		Usage: "Public address for block mining rewards (default = first account, deprecated, use --miner.etherbase)",
+		Value: "0",
+	}
+	MinerExtraDataFlag = cli.StringFlag{
+		Name:  "miner.extradata",
+		Usage: "Block extra data set by the miner (default = client version)",
+	}
+	MinerLegacyExtraDataFlag = cli.StringFlag{
+		Name:  "extradata",
+		Usage: "Block extra data set by the miner (default = client version, deprecated, use --miner.extradata)",
+	}
+	MinerRecommitIntervalFlag = cli.DurationFlag{
+		Name:  "miner.recommit",
+		Usage: "Time interval to recreate the block being mined",
+		Value: eth.DefaultConfig.Miner.Recommit,
+	}
+	MinerNoVerfiyFlag = cli.BoolFlag{
+		Name:  "miner.noverify",
+		Usage: "Disable remote sealing verification",
+	}
+	// Account settings
+	UnlockedAccountFlag = cli.StringFlag{
+		Name:  "unlock",
+		Usage: "Comma separated list of accounts to unlock",
+		Value: "",
+	}
+	PasswordFileFlag = cli.StringFlag{
+		Name:  "password",
+		Usage: "Password file to use for non-interactive password input",
+		Value: "",
+	}
+	ExternalSignerFlag = cli.StringFlag{
+		Name:  "signer",
+		Usage: "External signer (url or path to ipc file)",
+		Value: "",
+	}
+	VMEnableDebugFlag = cli.BoolFlag{
+		Name:  "vmdebug",
+		Usage: "Record information useful for VM and contract debugging",
+	}
+	InsecureUnlockAllowedFlag = cli.BoolFlag{
+		Name:  "allow-insecure-unlock",
+		Usage: "Allow insecure account unlocking when account-related RPCs are exposed by http",
+	}
+	RPCGlobalGasCap = cli.Uint64Flag{
+		Name:  "rpc.gascap",
+		Usage: "Sets a cap on gas that can be used in eth_call/estimateGas",
+	}
+	// Logging and debug settings
+	EthStatsURLFlag = cli.StringFlag{
+		Name:  "ethstats",
+		Usage: "Reporting URL of a ethstats service (nodename:secret@host:port)",
+	}
+	FakePoWFlag = cli.BoolFlag{
+		Name:  "fakepow",
+		Usage: "Disables proof-of-work verification",
+	}
+	NoCompactionFlag = cli.BoolFlag{
+		Name:  "nocompaction",
+		Usage: "Disables db compaction after import",
+	}
+	// RPC settings
+	IPCDisabledFlag = cli.BoolFlag{
+		Name:  "ipcdisable",
+		Usage: "Disable the IPC-RPC server",
+	}
+	IPCPathFlag = DirectoryFlag{
+		Name:  "ipcpath",
+		Usage: "Filename for IPC socket/pipe within the datadir (explicit paths escape it)",
+	}
+	RPCEnabledFlag = cli.BoolFlag{
+		Name:  "rpc",
+		Usage: "Enable the HTTP-RPC server",
+	}
+	RPCListenAddrFlag = cli.StringFlag{
+		Name:  "rpcaddr",
+		Usage: "HTTP-RPC server listening interface",
+		Value: node.DefaultHTTPHost,
+	}
+	RPCPortFlag = cli.IntFlag{
+		Name:  "rpcport",
+		Usage: "HTTP-RPC server listening port",
+		Value: node.DefaultHTTPPort,
+	}
+	RPCCORSDomainFlag = cli.StringFlag{
+		Name:  "rpccorsdomain",
+		Usage: "Comma separated list of domains from which to accept cross origin requests (browser enforced)",
+		Value: "",
+	}
+	RPCVirtualHostsFlag = cli.StringFlag{
+		Name:  "rpcvhosts",
+		Usage: "Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard.",
+		Value: strings.Join(node.DefaultConfig.HTTPVirtualHosts, ","),
+	}
+	RPCApiFlag = cli.StringFlag{
+		Name:  "rpcapi",
+		Usage: "API's offered over the HTTP-RPC interface",
+		Value: "",
+	}
+	WSEnabledFlag = cli.BoolFlag{
+		Name:  "ws",
+		Usage: "Enable the WS-RPC server",
+	}
+	WSListenAddrFlag = cli.StringFlag{
+		Name:  "wsaddr",
+		Usage: "WS-RPC server listening interface",
+		Value: node.DefaultWSHost,
+	}
+	WSPortFlag = cli.IntFlag{
+		Name:  "wsport",
+		Usage: "WS-RPC server listening port",
+		Value: node.DefaultWSPort,
+	}
+	WSApiFlag = cli.StringFlag{
+		Name:  "wsapi",
+		Usage: "API's offered over the WS-RPC interface",
+		Value: "",
+	}
+	WSAllowedOriginsFlag = cli.StringFlag{
+		Name:  "wsorigins",
+		Usage: "Origins from which to accept websockets requests",
+		Value: "",
+	}
+	GraphQLEnabledFlag = cli.BoolFlag{
+		Name:  "graphql",
+		Usage: "Enable the GraphQL server",
+	}
+	GraphQLListenAddrFlag = cli.StringFlag{
+		Name:  "graphql.addr",
+		Usage: "GraphQL server listening interface",
+		Value: node.DefaultGraphQLHost,
+	}
+	GraphQLPortFlag = cli.IntFlag{
+		Name:  "graphql.port",
+		Usage: "GraphQL server listening port",
+		Value: node.DefaultGraphQLPort,
+	}
+	GraphQLCORSDomainFlag = cli.StringFlag{
+		Name:  "graphql.corsdomain",
+		Usage: "Comma separated list of domains from which to accept cross origin requests (browser enforced)",
+		Value: "",
+	}
+	GraphQLVirtualHostsFlag = cli.StringFlag{
+		Name:  "graphql.vhosts",
+		Usage: "Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard.",
+		Value: strings.Join(node.DefaultConfig.GraphQLVirtualHosts, ","),
+	}
+	ExecFlag = cli.StringFlag{
+		Name:  "exec",
+		Usage: "Execute JavaScript statement",
+	}
+	PreloadJSFlag = cli.StringFlag{
+		Name:  "preload",
+		Usage: "Comma separated list of JavaScript files to preload into the console",
+	}
+
+	// Network Settings
+	MaxPeersFlag = cli.IntFlag{
+		Name:  "maxpeers",
+		Usage: "Maximum number of network peers (network disabled if set to 0)",
+		Value: node.DefaultConfig.P2P.MaxPeers,
+	}
+	MaxPendingPeersFlag = cli.IntFlag{
+		Name:  "maxpendpeers",
+		Usage: "Maximum number of pending connection attempts (defaults used if set to 0)",
+		Value: node.DefaultConfig.P2P.MaxPendingPeers,
+	}
+	ListenPortFlag = cli.IntFlag{
+		Name:  "port",
+		Usage: "Network listening port",
+		Value: 30303,
+	}
+	BootnodesFlag = cli.StringFlag{
+		Name:  "bootnodes",
+		Usage: "Comma separated enode URLs for P2P discovery bootstrap (set v4+v5 instead for light servers)",
+		Value: "",
+	}
+	BootnodesV4Flag = cli.StringFlag{
+		Name:  "bootnodesv4",
+		Usage: "Comma separated enode URLs for P2P v4 discovery bootstrap (light server, full nodes)",
+		Value: "",
+	}
+	BootnodesV5Flag = cli.StringFlag{
+		Name:  "bootnodesv5",
+		Usage: "Comma separated enode URLs for P2P v5 discovery bootstrap (light server, light nodes)",
+		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)",
+	}
+	DiscoveryV5Flag = cli.BoolFlag{
+		Name:  "v5disc",
+		Usage: "Enables the experimental RLPx V5 (Topic Discovery) mechanism",
+	}
+	NetrestrictFlag = cli.StringFlag{
+		Name:  "netrestrict",
+		Usage: "Restricts network communication to the given IP networks (CIDR masks)",
+	}
+
+	// ATM the url is left to the user and deployment to
+	JSpathFlag = cli.StringFlag{
+		Name:  "jspath",
+		Usage: "JavaScript root path for `loadScript`",
+		Value: ".",
+	}
+
+	// Gas price oracle settings
+	GpoBlocksFlag = cli.IntFlag{
+		Name:  "gpoblocks",
+		Usage: "Number of recent blocks to check for gas prices",
+		Value: eth.DefaultConfig.GPO.Blocks,
+	}
+	GpoPercentileFlag = cli.IntFlag{
+		Name:  "gpopercentile",
+		Usage: "Suggested gas price is the given percentile of a set of recent transaction gas prices",
+		Value: eth.DefaultConfig.GPO.Percentile,
+	}
+	WhisperEnabledFlag = cli.BoolFlag{
+		Name:  "shh",
+		Usage: "Enable Whisper",
+	}
+	WhisperMaxMessageSizeFlag = cli.IntFlag{
+		Name:  "shh.maxmessagesize",
+		Usage: "Max message size accepted",
+		Value: int(whisper.DefaultMaxMessageSize),
+	}
+	WhisperMinPOWFlag = cli.Float64Flag{
+		Name:  "shh.pow",
+		Usage: "Minimum POW accepted",
+		Value: whisper.DefaultMinimumPoW,
+	}
+	WhisperRestrictConnectionBetweenLightClientsFlag = cli.BoolFlag{
+		Name:  "shh.restrict-light",
+		Usage: "Restrict connection between two whisper light clients",
+	}
+
+	// Metrics flags
+	MetricsEnabledFlag = cli.BoolFlag{
+		Name:  "metrics",
+		Usage: "Enable metrics collection and reporting",
+	}
+	MetricsEnabledExpensiveFlag = cli.BoolFlag{
+		Name:  "metrics.expensive",
+		Usage: "Enable expensive metrics collection and reporting",
+	}
+	MetricsEnableInfluxDBFlag = cli.BoolFlag{
+		Name:  "metrics.influxdb",
+		Usage: "Enable metrics export/push to an external InfluxDB database",
+	}
+	MetricsInfluxDBEndpointFlag = cli.StringFlag{
+		Name:  "metrics.influxdb.endpoint",
+		Usage: "InfluxDB API endpoint to report metrics to",
+		Value: "http://localhost:8086",
+	}
+	MetricsInfluxDBDatabaseFlag = cli.StringFlag{
+		Name:  "metrics.influxdb.database",
+		Usage: "InfluxDB database name to push reported metrics to",
+		Value: "geth",
+	}
+	MetricsInfluxDBUsernameFlag = cli.StringFlag{
+		Name:  "metrics.influxdb.username",
+		Usage: "Username to authorize access to the database",
+		Value: "test",
+	}
+	MetricsInfluxDBPasswordFlag = cli.StringFlag{
+		Name:  "metrics.influxdb.password",
+		Usage: "Password to authorize access to the database",
+		Value: "test",
+	}
+	// Tags are part of every measurement sent to InfluxDB. Queries on tags are faster in InfluxDB.
+	// For example `host` tag could be used so that we can group all nodes and average a measurement
+	// across all of them, but also so that we can select a specific node and inspect its measurements.
+	// https://docs.influxdata.com/influxdb/v1.4/concepts/key_concepts/#tag-key
+	MetricsInfluxDBTagsFlag = cli.StringFlag{
+		Name:  "metrics.influxdb.tags",
+		Usage: "Comma-separated InfluxDB tags (key/values) attached to all measurements",
+		Value: "host=localhost",
+	}
+
+	EWASMInterpreterFlag = cli.StringFlag{
+		Name:  "vm.ewasm",
+		Usage: "External ewasm configuration (default = built-in interpreter)",
+		Value: "",
+	}
+	EVMInterpreterFlag = cli.StringFlag{
+		Name:  "vm.evm",
+		Usage: "External EVM configuration (default = built-in interpreter)",
+		Value: "",
+	}
+)
+
+// MakeDataDir retrieves the currently requested data directory, terminating
+// if none (or the empty string) is specified. If the node is starting a testnet,
+// the a subdirectory of the specified datadir will be used.
+func MakeDataDir(ctx *cli.Context) string {
+	if path := ctx.GlobalString(DataDirFlag.Name); path != "" {
+		if ctx.GlobalBool(TestnetFlag.Name) {
+			return filepath.Join(path, "testnet")
+		}
+		if ctx.GlobalBool(RinkebyFlag.Name) {
+			return filepath.Join(path, "rinkeby")
+		}
+		if ctx.GlobalBool(GoerliFlag.Name) {
+			return filepath.Join(path, "goerli")
+		}
+		return path
+	}
+	Fatalf("Cannot determine default data directory, please set manually (--datadir)")
+	return ""
+}
+
+// setNodeKey creates a node key from set command line flags, either loading it
+// from a file or as a specified hex value. If neither flags were provided, this
+// method returns nil and an emphemeral key is to be generated.
+func setNodeKey(ctx *cli.Context, cfg *p2p.Config) {
+	var (
+		hex  = ctx.GlobalString(NodeKeyHexFlag.Name)
+		file = ctx.GlobalString(NodeKeyFileFlag.Name)
+		key  *ecdsa.PrivateKey
+		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)
+		}
+		cfg.PrivateKey = key
+	case hex != "":
+		if key, err = crypto.HexToECDSA(hex); err != nil {
+			Fatalf("Option %q: %v", NodeKeyHexFlag.Name, err)
+		}
+		cfg.PrivateKey = key
+	}
+}
+
+// setNodeUserIdent creates the user identifier from CLI flags.
+func setNodeUserIdent(ctx *cli.Context, cfg *node.Config) {
+	if identity := ctx.GlobalString(IdentityFlag.Name); len(identity) > 0 {
+		cfg.UserIdent = identity
+	}
+}
+
+// setBootstrapNodes creates a list of bootstrap nodes from the command line
+// flags, reverting to pre-configured ones if none have been specified.
+func setBootstrapNodes(ctx *cli.Context, cfg *p2p.Config) {
+	urls := params.MainnetBootnodes
+	switch {
+	case ctx.GlobalIsSet(BootnodesFlag.Name) || ctx.GlobalIsSet(BootnodesV4Flag.Name):
+		if ctx.GlobalIsSet(BootnodesV4Flag.Name) {
+			urls = strings.Split(ctx.GlobalString(BootnodesV4Flag.Name), ",")
+		} else {
+			urls = strings.Split(ctx.GlobalString(BootnodesFlag.Name), ",")
+		}
+	case ctx.GlobalBool(TestnetFlag.Name):
+		urls = params.TestnetBootnodes
+	case ctx.GlobalBool(RinkebyFlag.Name):
+		urls = params.RinkebyBootnodes
+	case ctx.GlobalBool(GoerliFlag.Name):
+		urls = params.GoerliBootnodes
+	case cfg.BootstrapNodes != nil:
+		return // already set, don't apply defaults.
+	}
+
+	cfg.BootstrapNodes = make([]*enode.Node, 0, len(urls))
+	for _, url := range urls {
+		if url != "" {
+			node, err := enode.Parse(enode.ValidSchemes, url)
+			if err != nil {
+				log.Crit("Bootstrap URL invalid", "enode", url, "err", err)
+				continue
+			}
+			cfg.BootstrapNodes = append(cfg.BootstrapNodes, node)
+		}
+	}
+}
+
+// setBootstrapNodesV5 creates a list of bootstrap nodes from the command line
+// flags, reverting to pre-configured ones if none have been specified.
+func setBootstrapNodesV5(ctx *cli.Context, cfg *p2p.Config) {
+	urls := params.DiscoveryV5Bootnodes
+	switch {
+	case ctx.GlobalIsSet(BootnodesFlag.Name) || ctx.GlobalIsSet(BootnodesV5Flag.Name):
+		if ctx.GlobalIsSet(BootnodesV5Flag.Name) {
+			urls = strings.Split(ctx.GlobalString(BootnodesV5Flag.Name), ",")
+		} else {
+			urls = strings.Split(ctx.GlobalString(BootnodesFlag.Name), ",")
+		}
+	case ctx.GlobalBool(RinkebyFlag.Name):
+		urls = params.RinkebyBootnodes
+	case ctx.GlobalBool(GoerliFlag.Name):
+		urls = params.GoerliBootnodes
+	case cfg.BootstrapNodesV5 != nil:
+		return // already set, don't apply defaults.
+	}
+
+	cfg.BootstrapNodesV5 = make([]*discv5.Node, 0, len(urls))
+	for _, url := range urls {
+		if url != "" {
+			node, err := discv5.ParseNode(url)
+			if err != nil {
+				log.Error("Bootstrap URL invalid", "enode", url, "err", err)
+				continue
+			}
+			cfg.BootstrapNodesV5 = append(cfg.BootstrapNodesV5, node)
+		}
+	}
+}
+
+// setListenAddress creates a TCP listening address string from set command
+// line flags.
+func setListenAddress(ctx *cli.Context, cfg *p2p.Config) {
+	if ctx.GlobalIsSet(ListenPortFlag.Name) {
+		cfg.ListenAddr = fmt.Sprintf(":%d", ctx.GlobalInt(ListenPortFlag.Name))
+	}
+}
+
+// setNAT creates a port mapper from command line flags.
+func setNAT(ctx *cli.Context, cfg *p2p.Config) {
+	if ctx.GlobalIsSet(NATFlag.Name) {
+		natif, err := nat.Parse(ctx.GlobalString(NATFlag.Name))
+		if err != nil {
+			Fatalf("Option %s: %v", NATFlag.Name, err)
+		}
+		cfg.NAT = natif
+	}
+}
+
+// splitAndTrim splits input separated by a comma
+// and trims excessive white space from the substrings.
+func splitAndTrim(input string) []string {
+	result := strings.Split(input, ",")
+	for i, r := range result {
+		result[i] = strings.TrimSpace(r)
+	}
+	return result
+}
+
+// setHTTP creates the HTTP RPC listener interface string from the set
+// command line flags, returning empty if the HTTP endpoint is disabled.
+func setHTTP(ctx *cli.Context, cfg *node.Config) {
+	if ctx.GlobalBool(RPCEnabledFlag.Name) && cfg.HTTPHost == "" {
+		cfg.HTTPHost = "127.0.0.1"
+		if ctx.GlobalIsSet(RPCListenAddrFlag.Name) {
+			cfg.HTTPHost = ctx.GlobalString(RPCListenAddrFlag.Name)
+		}
+	}
+	if ctx.GlobalIsSet(RPCPortFlag.Name) {
+		cfg.HTTPPort = ctx.GlobalInt(RPCPortFlag.Name)
+	}
+	if ctx.GlobalIsSet(RPCCORSDomainFlag.Name) {
+		cfg.HTTPCors = splitAndTrim(ctx.GlobalString(RPCCORSDomainFlag.Name))
+	}
+	if ctx.GlobalIsSet(RPCApiFlag.Name) {
+		cfg.HTTPModules = splitAndTrim(ctx.GlobalString(RPCApiFlag.Name))
+	}
+	if ctx.GlobalIsSet(RPCVirtualHostsFlag.Name) {
+		cfg.HTTPVirtualHosts = splitAndTrim(ctx.GlobalString(RPCVirtualHostsFlag.Name))
+	}
+}
+
+// setGraphQL creates the GraphQL listener interface string from the set
+// command line flags, returning empty if the GraphQL endpoint is disabled.
+func setGraphQL(ctx *cli.Context, cfg *node.Config) {
+	if ctx.GlobalBool(GraphQLEnabledFlag.Name) && cfg.GraphQLHost == "" {
+		cfg.GraphQLHost = "127.0.0.1"
+		if ctx.GlobalIsSet(GraphQLListenAddrFlag.Name) {
+			cfg.GraphQLHost = ctx.GlobalString(GraphQLListenAddrFlag.Name)
+		}
+	}
+	cfg.GraphQLPort = ctx.GlobalInt(GraphQLPortFlag.Name)
+	if ctx.GlobalIsSet(GraphQLCORSDomainFlag.Name) {
+		cfg.GraphQLCors = splitAndTrim(ctx.GlobalString(GraphQLCORSDomainFlag.Name))
+	}
+	if ctx.GlobalIsSet(GraphQLVirtualHostsFlag.Name) {
+		cfg.GraphQLVirtualHosts = splitAndTrim(ctx.GlobalString(GraphQLVirtualHostsFlag.Name))
+	}
+}
+
+// setWS creates the WebSocket RPC listener interface string from the set
+// command line flags, returning empty if the HTTP endpoint is disabled.
+func setWS(ctx *cli.Context, cfg *node.Config) {
+	if ctx.GlobalBool(WSEnabledFlag.Name) && cfg.WSHost == "" {
+		cfg.WSHost = "127.0.0.1"
+		if ctx.GlobalIsSet(WSListenAddrFlag.Name) {
+			cfg.WSHost = ctx.GlobalString(WSListenAddrFlag.Name)
+		}
+	}
+	if ctx.GlobalIsSet(WSPortFlag.Name) {
+		cfg.WSPort = ctx.GlobalInt(WSPortFlag.Name)
+	}
+	if ctx.GlobalIsSet(WSAllowedOriginsFlag.Name) {
+		cfg.WSOrigins = splitAndTrim(ctx.GlobalString(WSAllowedOriginsFlag.Name))
+	}
+	if ctx.GlobalIsSet(WSApiFlag.Name) {
+		cfg.WSModules = splitAndTrim(ctx.GlobalString(WSApiFlag.Name))
+	}
+}
+
+// setIPC creates an IPC path configuration from the set command line flags,
+// returning an empty string if IPC was explicitly disabled, or the set path.
+func setIPC(ctx *cli.Context, cfg *node.Config) {
+	CheckExclusive(ctx, IPCDisabledFlag, IPCPathFlag)
+	switch {
+	case ctx.GlobalBool(IPCDisabledFlag.Name):
+		cfg.IPCPath = ""
+	case ctx.GlobalIsSet(IPCPathFlag.Name):
+		cfg.IPCPath = ctx.GlobalString(IPCPathFlag.Name)
+	}
+}
+
+// setLes configures the les server and ultra light client settings from the command line flags.
+func setLes(ctx *cli.Context, cfg *eth.Config) {
+	if ctx.GlobalIsSet(LightLegacyServFlag.Name) {
+		cfg.LightServ = ctx.GlobalInt(LightLegacyServFlag.Name)
+	}
+	if ctx.GlobalIsSet(LightServeFlag.Name) {
+		cfg.LightServ = ctx.GlobalInt(LightServeFlag.Name)
+	}
+	if ctx.GlobalIsSet(LightIngressFlag.Name) {
+		cfg.LightIngress = ctx.GlobalInt(LightIngressFlag.Name)
+	}
+	if ctx.GlobalIsSet(LightEgressFlag.Name) {
+		cfg.LightEgress = ctx.GlobalInt(LightEgressFlag.Name)
+	}
+	if ctx.GlobalIsSet(LightLegacyPeersFlag.Name) {
+		cfg.LightPeers = ctx.GlobalInt(LightLegacyPeersFlag.Name)
+	}
+	if ctx.GlobalIsSet(LightMaxPeersFlag.Name) {
+		cfg.LightPeers = ctx.GlobalInt(LightMaxPeersFlag.Name)
+	}
+	if ctx.GlobalIsSet(UltraLightServersFlag.Name) {
+		cfg.UltraLightServers = strings.Split(ctx.GlobalString(UltraLightServersFlag.Name), ",")
+	}
+	if ctx.GlobalIsSet(UltraLightFractionFlag.Name) {
+		cfg.UltraLightFraction = ctx.GlobalInt(UltraLightFractionFlag.Name)
+	}
+	if cfg.UltraLightFraction <= 0 && cfg.UltraLightFraction > 100 {
+		log.Error("Ultra light fraction is invalid", "had", cfg.UltraLightFraction, "updated", eth.DefaultConfig.UltraLightFraction)
+		cfg.UltraLightFraction = eth.DefaultConfig.UltraLightFraction
+	}
+	if ctx.GlobalIsSet(UltraLightOnlyAnnounceFlag.Name) {
+		cfg.UltraLightOnlyAnnounce = ctx.GlobalBool(UltraLightOnlyAnnounceFlag.Name)
+	}
+}
+
+// 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 {
+	limit, err := fdlimit.Maximum()
+	if err != nil {
+		Fatalf("Failed to retrieve file descriptor allowance: %v", err)
+	}
+	raised, err := fdlimit.Raise(uint64(limit))
+	if err != nil {
+		Fatalf("Failed to raise file descriptor allowance: %v", err)
+	}
+	return int(raised / 2) // Leave half for networking and other stuff
+}
+
+// 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(ks *keystore.KeyStore, 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 || index < 0 {
+		return accounts.Account{}, fmt.Errorf("invalid account address or index %q", account)
+	}
+	log.Warn("-------------------------------------------------------------------")
+	log.Warn("Referring to accounts by order in the keystore folder is dangerous!")
+	log.Warn("This functionality is deprecated and will be removed in the future!")
+	log.Warn("Please use explicit addresses! (can search via `geth account list`)")
+	log.Warn("-------------------------------------------------------------------")
+
+	accs := ks.Accounts()
+	if len(accs) <= index {
+		return accounts.Account{}, fmt.Errorf("index %d higher than number of accounts %d", index, len(accs))
+	}
+	return accs[index], nil
+}
+
+// setEtherbase retrieves the etherbase either from the directly specified
+// command line flags or from the keystore if CLI indexed.
+func setEtherbase(ctx *cli.Context, ks *keystore.KeyStore, cfg *eth.Config) {
+	// Extract the current etherbase, new flag overriding legacy one
+	var etherbase string
+	if ctx.GlobalIsSet(MinerLegacyEtherbaseFlag.Name) {
+		etherbase = ctx.GlobalString(MinerLegacyEtherbaseFlag.Name)
+	}
+	if ctx.GlobalIsSet(MinerEtherbaseFlag.Name) {
+		etherbase = ctx.GlobalString(MinerEtherbaseFlag.Name)
+	}
+	// Convert the etherbase into an address and configure it
+	if etherbase != "" {
+		if ks != nil {
+			account, err := MakeAddress(ks, etherbase)
+			if err != nil {
+				Fatalf("Invalid miner etherbase: %v", err)
+			}
+			cfg.Miner.Etherbase = account.Address
+		} else {
+			Fatalf("No etherbase configured")
+		}
+	}
+}
+
+// MakePasswordList reads password lines from the file specified by the global --password flag.
+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
+}
+
+func SetP2PConfig(ctx *cli.Context, cfg *p2p.Config) {
+	setNodeKey(ctx, cfg)
+	setNAT(ctx, cfg)
+	setListenAddress(ctx, cfg)
+	setBootstrapNodes(ctx, cfg)
+	setBootstrapNodesV5(ctx, cfg)
+
+	lightClient := ctx.GlobalString(SyncModeFlag.Name) == "light"
+	lightServer := (ctx.GlobalInt(LightLegacyServFlag.Name) != 0 || ctx.GlobalInt(LightServeFlag.Name) != 0)
+
+	lightPeers := ctx.GlobalInt(LightLegacyPeersFlag.Name)
+	if ctx.GlobalIsSet(LightMaxPeersFlag.Name) {
+		lightPeers = ctx.GlobalInt(LightMaxPeersFlag.Name)
+	}
+	if ctx.GlobalIsSet(MaxPeersFlag.Name) {
+		cfg.MaxPeers = ctx.GlobalInt(MaxPeersFlag.Name)
+		if lightServer && !ctx.GlobalIsSet(LightLegacyPeersFlag.Name) && !ctx.GlobalIsSet(LightMaxPeersFlag.Name) {
+			cfg.MaxPeers += lightPeers
+		}
+	} else {
+		if lightServer {
+			cfg.MaxPeers += lightPeers
+		}
+		if lightClient && (ctx.GlobalIsSet(LightLegacyPeersFlag.Name) || ctx.GlobalIsSet(LightMaxPeersFlag.Name)) && cfg.MaxPeers < lightPeers {
+			cfg.MaxPeers = lightPeers
+		}
+	}
+	if !(lightClient || lightServer) {
+		lightPeers = 0
+	}
+	ethPeers := cfg.MaxPeers - lightPeers
+	if lightClient {
+		ethPeers = 0
+	}
+	log.Info("Maximum peer count", "ETH", ethPeers, "LES", lightPeers, "total", cfg.MaxPeers)
+
+	if ctx.GlobalIsSet(MaxPendingPeersFlag.Name) {
+		cfg.MaxPendingPeers = ctx.GlobalInt(MaxPendingPeersFlag.Name)
+	}
+	if ctx.GlobalIsSet(NoDiscoverFlag.Name) || lightClient {
+		cfg.NoDiscovery = true
+	}
+
+	// if we're running a light client or server, force enable the v5 peer discovery
+	// unless it is explicitly disabled with --nodiscover note that explicitly specifying
+	// --v5disc overrides --nodiscover, in which case the later only disables v4 discovery
+	forceV5Discovery := (lightClient || lightServer) && !ctx.GlobalBool(NoDiscoverFlag.Name)
+	if ctx.GlobalIsSet(DiscoveryV5Flag.Name) {
+		cfg.DiscoveryV5 = ctx.GlobalBool(DiscoveryV5Flag.Name)
+	} else if forceV5Discovery {
+		cfg.DiscoveryV5 = true
+	}
+
+	if netrestrict := ctx.GlobalString(NetrestrictFlag.Name); netrestrict != "" {
+		list, err := netutil.ParseNetlist(netrestrict)
+		if err != nil {
+			Fatalf("Option %q: %v", NetrestrictFlag.Name, err)
+		}
+		cfg.NetRestrict = list
+	}
+
+	if ctx.GlobalBool(DeveloperFlag.Name) {
+		// --dev mode can't use p2p networking.
+		cfg.MaxPeers = 0
+		cfg.ListenAddr = ":0"
+		cfg.NoDiscovery = true
+		cfg.DiscoveryV5 = false
+	}
+}
+
+// SetNodeConfig applies node-related command line flags to the config.
+func SetNodeConfig(ctx *cli.Context, cfg *node.Config) {
+	SetP2PConfig(ctx, &cfg.P2P)
+	setIPC(ctx, cfg)
+	setHTTP(ctx, cfg)
+	setGraphQL(ctx, cfg)
+	setWS(ctx, cfg)
+	setNodeUserIdent(ctx, cfg)
+	setDataDir(ctx, cfg)
+	setSmartCard(ctx, cfg)
+
+	if ctx.GlobalIsSet(ExternalSignerFlag.Name) {
+		cfg.ExternalSigner = ctx.GlobalString(ExternalSignerFlag.Name)
+	}
+
+	if ctx.GlobalIsSet(KeyStoreDirFlag.Name) {
+		cfg.KeyStoreDir = ctx.GlobalString(KeyStoreDirFlag.Name)
+	}
+	if ctx.GlobalIsSet(LightKDFFlag.Name) {
+		cfg.UseLightweightKDF = ctx.GlobalBool(LightKDFFlag.Name)
+	}
+	if ctx.GlobalIsSet(NoUSBFlag.Name) {
+		cfg.NoUSB = ctx.GlobalBool(NoUSBFlag.Name)
+	}
+	if ctx.GlobalIsSet(InsecureUnlockAllowedFlag.Name) {
+		cfg.InsecureUnlockAllowed = ctx.GlobalBool(InsecureUnlockAllowedFlag.Name)
+	}
+}
+
+func setSmartCard(ctx *cli.Context, cfg *node.Config) {
+	// Skip enabling smartcards if no path is set
+	path := ctx.GlobalString(SmartCardDaemonPathFlag.Name)
+	if path == "" {
+		return
+	}
+	// Sanity check that the smartcard path is valid
+	fi, err := os.Stat(path)
+	if err != nil {
+		log.Info("Smartcard socket not found, disabling", "err", err)
+		return
+	}
+	if fi.Mode()&os.ModeType != os.ModeSocket {
+		log.Error("Invalid smartcard daemon path", "path", path, "type", fi.Mode().String())
+		return
+	}
+	// Smartcard daemon path exists and is a socket, enable it
+	cfg.SmartCardDaemonPath = path
+}
+
+func setDataDir(ctx *cli.Context, cfg *node.Config) {
+	switch {
+	case ctx.GlobalIsSet(DataDirFlag.Name):
+		cfg.DataDir = ctx.GlobalString(DataDirFlag.Name)
+	case ctx.GlobalBool(DeveloperFlag.Name):
+		cfg.DataDir = "" // unless explicitly requested, use memory databases
+	case ctx.GlobalBool(TestnetFlag.Name) && cfg.DataDir == node.DefaultDataDir():
+		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "testnet")
+	case ctx.GlobalBool(RinkebyFlag.Name) && cfg.DataDir == node.DefaultDataDir():
+		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "rinkeby")
+	case ctx.GlobalBool(GoerliFlag.Name) && cfg.DataDir == node.DefaultDataDir():
+		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "goerli")
+	}
+}
+
+func setGPO(ctx *cli.Context, cfg *gasprice.Config) {
+	if ctx.GlobalIsSet(GpoBlocksFlag.Name) {
+		cfg.Blocks = ctx.GlobalInt(GpoBlocksFlag.Name)
+	}
+	if ctx.GlobalIsSet(GpoPercentileFlag.Name) {
+		cfg.Percentile = ctx.GlobalInt(GpoPercentileFlag.Name)
+	}
+}
+
+func setTxPool(ctx *cli.Context, cfg *core.TxPoolConfig) {
+	if ctx.GlobalIsSet(TxPoolLocalsFlag.Name) {
+		locals := strings.Split(ctx.GlobalString(TxPoolLocalsFlag.Name), ",")
+		for _, account := range locals {
+			if trimmed := strings.TrimSpace(account); !common.IsHexAddress(trimmed) {
+				Fatalf("Invalid account in --txpool.locals: %s", trimmed)
+			} else {
+				cfg.Locals = append(cfg.Locals, common.HexToAddress(account))
+			}
+		}
+	}
+	if ctx.GlobalIsSet(TxPoolNoLocalsFlag.Name) {
+		cfg.NoLocals = ctx.GlobalBool(TxPoolNoLocalsFlag.Name)
+	}
+	if ctx.GlobalIsSet(TxPoolJournalFlag.Name) {
+		cfg.Journal = ctx.GlobalString(TxPoolJournalFlag.Name)
+	}
+	if ctx.GlobalIsSet(TxPoolRejournalFlag.Name) {
+		cfg.Rejournal = ctx.GlobalDuration(TxPoolRejournalFlag.Name)
+	}
+	if ctx.GlobalIsSet(TxPoolPriceLimitFlag.Name) {
+		cfg.PriceLimit = ctx.GlobalUint64(TxPoolPriceLimitFlag.Name)
+	}
+	if ctx.GlobalIsSet(TxPoolPriceBumpFlag.Name) {
+		cfg.PriceBump = ctx.GlobalUint64(TxPoolPriceBumpFlag.Name)
+	}
+	if ctx.GlobalIsSet(TxPoolAccountSlotsFlag.Name) {
+		cfg.AccountSlots = ctx.GlobalUint64(TxPoolAccountSlotsFlag.Name)
+	}
+	if ctx.GlobalIsSet(TxPoolGlobalSlotsFlag.Name) {
+		cfg.GlobalSlots = ctx.GlobalUint64(TxPoolGlobalSlotsFlag.Name)
+	}
+	if ctx.GlobalIsSet(TxPoolAccountQueueFlag.Name) {
+		cfg.AccountQueue = ctx.GlobalUint64(TxPoolAccountQueueFlag.Name)
+	}
+	if ctx.GlobalIsSet(TxPoolGlobalQueueFlag.Name) {
+		cfg.GlobalQueue = ctx.GlobalUint64(TxPoolGlobalQueueFlag.Name)
+	}
+	if ctx.GlobalIsSet(TxPoolLifetimeFlag.Name) {
+		cfg.Lifetime = ctx.GlobalDuration(TxPoolLifetimeFlag.Name)
+	}
+}
+
+func setEthash(ctx *cli.Context, cfg *eth.Config) {
+	if ctx.GlobalIsSet(EthashCacheDirFlag.Name) {
+		cfg.Ethash.CacheDir = ctx.GlobalString(EthashCacheDirFlag.Name)
+	}
+	if ctx.GlobalIsSet(EthashDatasetDirFlag.Name) {
+		cfg.Ethash.DatasetDir = ctx.GlobalString(EthashDatasetDirFlag.Name)
+	}
+	if ctx.GlobalIsSet(EthashCachesInMemoryFlag.Name) {
+		cfg.Ethash.CachesInMem = ctx.GlobalInt(EthashCachesInMemoryFlag.Name)
+	}
+	if ctx.GlobalIsSet(EthashCachesOnDiskFlag.Name) {
+		cfg.Ethash.CachesOnDisk = ctx.GlobalInt(EthashCachesOnDiskFlag.Name)
+	}
+	if ctx.GlobalIsSet(EthashDatasetsInMemoryFlag.Name) {
+		cfg.Ethash.DatasetsInMem = ctx.GlobalInt(EthashDatasetsInMemoryFlag.Name)
+	}
+	if ctx.GlobalIsSet(EthashDatasetsOnDiskFlag.Name) {
+		cfg.Ethash.DatasetsOnDisk = ctx.GlobalInt(EthashDatasetsOnDiskFlag.Name)
+	}
+}
+
+func setMiner(ctx *cli.Context, cfg *miner.Config) {
+	if ctx.GlobalIsSet(MinerNotifyFlag.Name) {
+		cfg.Notify = strings.Split(ctx.GlobalString(MinerNotifyFlag.Name), ",")
+	}
+	if ctx.GlobalIsSet(MinerLegacyExtraDataFlag.Name) {
+		cfg.ExtraData = []byte(ctx.GlobalString(MinerLegacyExtraDataFlag.Name))
+	}
+	if ctx.GlobalIsSet(MinerExtraDataFlag.Name) {
+		cfg.ExtraData = []byte(ctx.GlobalString(MinerExtraDataFlag.Name))
+	}
+	if ctx.GlobalIsSet(MinerLegacyGasTargetFlag.Name) {
+		cfg.GasFloor = ctx.GlobalUint64(MinerLegacyGasTargetFlag.Name)
+	}
+	if ctx.GlobalIsSet(MinerGasTargetFlag.Name) {
+		cfg.GasFloor = ctx.GlobalUint64(MinerGasTargetFlag.Name)
+	}
+	if ctx.GlobalIsSet(MinerGasLimitFlag.Name) {
+		cfg.GasCeil = ctx.GlobalUint64(MinerGasLimitFlag.Name)
+	}
+	if ctx.GlobalIsSet(MinerLegacyGasPriceFlag.Name) {
+		cfg.GasPrice = GlobalBig(ctx, MinerLegacyGasPriceFlag.Name)
+	}
+	if ctx.GlobalIsSet(MinerGasPriceFlag.Name) {
+		cfg.GasPrice = GlobalBig(ctx, MinerGasPriceFlag.Name)
+	}
+	if ctx.GlobalIsSet(MinerRecommitIntervalFlag.Name) {
+		cfg.Recommit = ctx.Duration(MinerRecommitIntervalFlag.Name)
+	}
+	if ctx.GlobalIsSet(MinerNoVerfiyFlag.Name) {
+		cfg.Noverify = ctx.Bool(MinerNoVerfiyFlag.Name)
+	}
+}
+
+func setWhitelist(ctx *cli.Context, cfg *eth.Config) {
+	whitelist := ctx.GlobalString(WhitelistFlag.Name)
+	if whitelist == "" {
+		return
+	}
+	cfg.Whitelist = make(map[uint64]common.Hash)
+	for _, entry := range strings.Split(whitelist, ",") {
+		parts := strings.Split(entry, "=")
+		if len(parts) != 2 {
+			Fatalf("Invalid whitelist entry: %s", entry)
+		}
+		number, err := strconv.ParseUint(parts[0], 0, 64)
+		if err != nil {
+			Fatalf("Invalid whitelist block number %s: %v", parts[0], err)
+		}
+		var hash common.Hash
+		if err = hash.UnmarshalText([]byte(parts[1])); err != nil {
+			Fatalf("Invalid whitelist hash %s: %v", parts[1], err)
+		}
+		cfg.Whitelist[number] = hash
+	}
+}
+
+// CheckExclusive verifies that only a single instance of the provided flags was
+// set by the user. Each flag might optionally be followed by a string type to
+// specialize it further.
+func CheckExclusive(ctx *cli.Context, args ...interface{}) {
+	set := make([]string, 0, 1)
+	for i := 0; i < len(args); i++ {
+		// Make sure the next argument is a flag and skip if not set
+		flag, ok := args[i].(cli.Flag)
+		if !ok {
+			panic(fmt.Sprintf("invalid argument, not cli.Flag type: %T", args[i]))
+		}
+		// Check if next arg extends current and expand its name if so
+		name := flag.GetName()
+
+		if i+1 < len(args) {
+			switch option := args[i+1].(type) {
+			case string:
+				// Extended flag check, make sure value set doesn't conflict with passed in option
+				if ctx.GlobalString(flag.GetName()) == option {
+					name += "=" + option
+					set = append(set, "--"+name)
+				}
+				// shift arguments and continue
+				i++
+				continue
+
+			case cli.Flag:
+			default:
+				panic(fmt.Sprintf("invalid argument, not cli.Flag or string extension: %T", args[i+1]))
+			}
+		}
+		// Mark the flag if it's set
+		if ctx.GlobalIsSet(flag.GetName()) {
+			set = append(set, "--"+name)
+		}
+	}
+	if len(set) > 1 {
+		Fatalf("Flags %v can't be used at the same time", strings.Join(set, ", "))
+	}
+}
+
+// SetShhConfig applies shh-related command line flags to the config.
+func SetShhConfig(ctx *cli.Context, stack *node.Node, cfg *whisper.Config) {
+	if ctx.GlobalIsSet(WhisperMaxMessageSizeFlag.Name) {
+		cfg.MaxMessageSize = uint32(ctx.GlobalUint(WhisperMaxMessageSizeFlag.Name))
+	}
+	if ctx.GlobalIsSet(WhisperMinPOWFlag.Name) {
+		cfg.MinimumAcceptedPOW = ctx.GlobalFloat64(WhisperMinPOWFlag.Name)
+	}
+	if ctx.GlobalIsSet(WhisperRestrictConnectionBetweenLightClientsFlag.Name) {
+		cfg.RestrictConnectionBetweenLightClients = true
+	}
+}
+
+// SetEthConfig applies eth-related command line flags to the config.
+func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
+	// Avoid conflicting network flags
+	CheckExclusive(ctx, DeveloperFlag, TestnetFlag, RinkebyFlag, GoerliFlag)
+	CheckExclusive(ctx, LightLegacyServFlag, LightServeFlag, SyncModeFlag, "light")
+	CheckExclusive(ctx, DeveloperFlag, ExternalSignerFlag) // Can't use both ephemeral unlocked and external signer
+
+	var ks *keystore.KeyStore
+	if keystores := stack.AccountManager().Backends(keystore.KeyStoreType); len(keystores) > 0 {
+		ks = keystores[0].(*keystore.KeyStore)
+	}
+	setEtherbase(ctx, ks, cfg)
+	setGPO(ctx, &cfg.GPO)
+	setTxPool(ctx, &cfg.TxPool)
+	setEthash(ctx, cfg)
+	setMiner(ctx, &cfg.Miner)
+	setWhitelist(ctx, cfg)
+	setLes(ctx, cfg)
+
+	if ctx.GlobalIsSet(SyncModeFlag.Name) {
+		cfg.SyncMode = *GlobalTextMarshaler(ctx, SyncModeFlag.Name).(*downloader.SyncMode)
+	}
+	if ctx.GlobalIsSet(NetworkIdFlag.Name) {
+		cfg.NetworkId = ctx.GlobalUint64(NetworkIdFlag.Name)
+	}
+	if ctx.GlobalIsSet(CacheFlag.Name) || ctx.GlobalIsSet(CacheDatabaseFlag.Name) {
+		cfg.DatabaseCache = ctx.GlobalInt(CacheFlag.Name) * ctx.GlobalInt(CacheDatabaseFlag.Name) / 100
+	}
+	cfg.DatabaseHandles = makeDatabaseHandles()
+	if ctx.GlobalIsSet(AncientFlag.Name) {
+		cfg.DatabaseFreezer = ctx.GlobalString(AncientFlag.Name)
+	}
+
+	if gcmode := ctx.GlobalString(GCModeFlag.Name); gcmode != "full" && gcmode != "archive" {
+		Fatalf("--%s must be either 'full' or 'archive'", GCModeFlag.Name)
+	}
+	cfg.NoPruning = ctx.GlobalString(GCModeFlag.Name) == "archive"
+	cfg.NoPrefetch = ctx.GlobalBool(CacheNoPrefetchFlag.Name)
+
+	if ctx.GlobalIsSet(CacheFlag.Name) || ctx.GlobalIsSet(CacheTrieFlag.Name) {
+		cfg.TrieCleanCache = ctx.GlobalInt(CacheFlag.Name) * ctx.GlobalInt(CacheTrieFlag.Name) / 100
+	}
+	if ctx.GlobalIsSet(CacheFlag.Name) || ctx.GlobalIsSet(CacheGCFlag.Name) {
+		cfg.TrieDirtyCache = ctx.GlobalInt(CacheFlag.Name) * ctx.GlobalInt(CacheGCFlag.Name) / 100
+	}
+	if ctx.GlobalIsSet(DocRootFlag.Name) {
+		cfg.DocRoot = ctx.GlobalString(DocRootFlag.Name)
+	}
+	if ctx.GlobalIsSet(VMEnableDebugFlag.Name) {
+		// TODO(fjl): force-enable this in --dev mode
+		cfg.EnablePreimageRecording = ctx.GlobalBool(VMEnableDebugFlag.Name)
+	}
+
+	if ctx.GlobalIsSet(EWASMInterpreterFlag.Name) {
+		cfg.EWASMInterpreter = ctx.GlobalString(EWASMInterpreterFlag.Name)
+	}
+
+	if ctx.GlobalIsSet(EVMInterpreterFlag.Name) {
+		cfg.EVMInterpreter = ctx.GlobalString(EVMInterpreterFlag.Name)
+	}
+	if ctx.GlobalIsSet(RPCGlobalGasCap.Name) {
+		cfg.RPCGasCap = new(big.Int).SetUint64(ctx.GlobalUint64(RPCGlobalGasCap.Name))
+	}
+
+	// Override any default configs for hard coded networks.
+	switch {
+	case ctx.GlobalBool(TestnetFlag.Name):
+		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
+			cfg.NetworkId = 3
+		}
+		cfg.Genesis = core.DefaultTestnetGenesisBlock()
+	case ctx.GlobalBool(RinkebyFlag.Name):
+		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
+			cfg.NetworkId = 4
+		}
+		cfg.Genesis = core.DefaultRinkebyGenesisBlock()
+	case ctx.GlobalBool(GoerliFlag.Name):
+		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
+			cfg.NetworkId = 5
+		}
+		cfg.Genesis = core.DefaultGoerliGenesisBlock()
+	case ctx.GlobalBool(DeveloperFlag.Name):
+		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
+			cfg.NetworkId = 1337
+		}
+		// Create new developer account or reuse existing one
+		var (
+			developer accounts.Account
+			err       error
+		)
+		if accs := ks.Accounts(); len(accs) > 0 {
+			developer = ks.Accounts()[0]
+		} else {
+			developer, err = ks.NewAccount("")
+			if err != nil {
+				Fatalf("Failed to create developer account: %v", err)
+			}
+		}
+		if err := ks.Unlock(developer, ""); err != nil {
+			Fatalf("Failed to unlock developer account: %v", err)
+		}
+		log.Info("Using developer account", "address", developer.Address)
+
+		cfg.Genesis = core.DeveloperGenesisBlock(uint64(ctx.GlobalInt(DeveloperPeriodFlag.Name)), developer.Address)
+		if !ctx.GlobalIsSet(MinerGasPriceFlag.Name) && !ctx.GlobalIsSet(MinerLegacyGasPriceFlag.Name) {
+			cfg.Miner.GasPrice = big.NewInt(1)
+		}
+	}
+}
+
+// SetDashboardConfig applies dashboard related command line flags to the config.
+func SetDashboardConfig(ctx *cli.Context, cfg *dashboard.Config) {
+	cfg.Host = ctx.GlobalString(DashboardAddrFlag.Name)
+	cfg.Port = ctx.GlobalInt(DashboardPortFlag.Name)
+	cfg.Refresh = ctx.GlobalDuration(DashboardRefreshFlag.Name)
+}
+
+// RegisterEthService adds an Ethereum client to the stack.
+func RegisterEthService(stack *node.Node, cfg *eth.Config) {
+	var err error
+	if cfg.SyncMode == downloader.LightSync {
+		err = stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
+			return les.New(ctx, cfg)
+		})
+	} else {
+		err = stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
+			fullNode, err := eth.New(ctx, cfg)
+			if fullNode != nil && cfg.LightServ > 0 {
+				ls, _ := les.NewLesServer(fullNode, cfg)
+				fullNode.AddLesServer(ls)
+			}
+			return fullNode, err
+		})
+	}
+	if err != nil {
+		Fatalf("Failed to register the Ethereum service: %v", err)
+	}
+}
+
+// RegisterDashboardService adds a dashboard to the stack.
+func RegisterDashboardService(stack *node.Node, cfg *dashboard.Config, commit string) {
+	stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
+		return dashboard.New(cfg, commit, ctx.ResolvePath("logs")), nil
+	})
+}
+
+// RegisterShhService configures Whisper and adds it to the given node.
+func RegisterShhService(stack *node.Node, cfg *whisper.Config) {
+	if err := stack.Register(func(n *node.ServiceContext) (node.Service, error) {
+		return whisper.New(cfg), nil
+	}); err != nil {
+		Fatalf("Failed to register the Whisper service: %v", err)
+	}
+}
+
+// RegisterEthStatsService configures the Ethereum Stats daemon and adds it to
+// the given node.
+func RegisterEthStatsService(stack *node.Node, url string) {
+	if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
+		// Retrieve both eth and les services
+		var ethServ *eth.Ethereum
+		ctx.Service(&ethServ)
+
+		var lesServ *les.LightEthereum
+		ctx.Service(&lesServ)
+
+		// Let ethstats use whichever is not nil
+		return ethstats.New(url, ethServ, lesServ)
+	}); err != nil {
+		Fatalf("Failed to register the Ethereum Stats service: %v", err)
+	}
+}
+
+// RegisterGraphQLService is a utility function to construct a new service and register it against a node.
+func RegisterGraphQLService(stack *node.Node, endpoint string, cors, vhosts []string, timeouts rpc.HTTPTimeouts) {
+	if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
+		// Try to construct the GraphQL service backed by a full node
+		var ethServ *eth.Ethereum
+		if err := ctx.Service(&ethServ); err == nil {
+			return graphql.New(ethServ.APIBackend, endpoint, cors, vhosts, timeouts)
+		}
+		// Try to construct the GraphQL service backed by a light node
+		var lesServ *les.LightEthereum
+		if err := ctx.Service(&lesServ); err == nil {
+			return graphql.New(lesServ.ApiBackend, endpoint, cors, vhosts, timeouts)
+		}
+		// Well, this should not have happened, bail out
+		return nil, errors.New("no Ethereum service")
+	}); err != nil {
+		Fatalf("Failed to register the GraphQL service: %v", err)
+	}
+}
+
+func SetupMetrics(ctx *cli.Context) {
+	if metrics.Enabled {
+		log.Info("Enabling metrics collection")
+		var (
+			enableExport = ctx.GlobalBool(MetricsEnableInfluxDBFlag.Name)
+			endpoint     = ctx.GlobalString(MetricsInfluxDBEndpointFlag.Name)
+			database     = ctx.GlobalString(MetricsInfluxDBDatabaseFlag.Name)
+			username     = ctx.GlobalString(MetricsInfluxDBUsernameFlag.Name)
+			password     = ctx.GlobalString(MetricsInfluxDBPasswordFlag.Name)
+		)
+
+		if enableExport {
+			tagsMap := SplitTagsFlag(ctx.GlobalString(MetricsInfluxDBTagsFlag.Name))
+
+			log.Info("Enabling metrics export to InfluxDB")
+
+			go influxdb.InfluxDBWithTags(metrics.DefaultRegistry, 10*time.Second, endpoint, database, username, password, "geth.", tagsMap)
+		}
+	}
+}
+
+func SplitTagsFlag(tagsFlag string) map[string]string {
+	tags := strings.Split(tagsFlag, ",")
+	tagsMap := map[string]string{}
+
+	for _, t := range tags {
+		if t != "" {
+			kv := strings.Split(t, "=")
+
+			if len(kv) == 2 {
+				tagsMap[kv[0]] = kv[1]
+			}
+		}
+	}
+
+	return tagsMap
+}
+
+// MakeChainDatabase open an LevelDB using the flags passed to the client and will hard crash if it fails.
+func MakeChainDatabase(ctx *cli.Context, stack *node.Node) ethdb.Database {
+	var (
+		cache   = ctx.GlobalInt(CacheFlag.Name) * ctx.GlobalInt(CacheDatabaseFlag.Name) / 100
+		handles = makeDatabaseHandles()
+	)
+	name := "chaindata"
+	if ctx.GlobalString(SyncModeFlag.Name) == "light" {
+		name = "lightchaindata"
+	}
+	chainDb, err := stack.OpenDatabaseWithFreezer(name, cache, handles, ctx.GlobalString(AncientFlag.Name), "")
+	if err != nil {
+		Fatalf("Could not open database: %v", err)
+	}
+	return chainDb
+}
+
+func MakeGenesis(ctx *cli.Context) *core.Genesis {
+	var genesis *core.Genesis
+	switch {
+	case ctx.GlobalBool(TestnetFlag.Name):
+		genesis = core.DefaultTestnetGenesisBlock()
+	case ctx.GlobalBool(RinkebyFlag.Name):
+		genesis = core.DefaultRinkebyGenesisBlock()
+	case ctx.GlobalBool(GoerliFlag.Name):
+		genesis = core.DefaultGoerliGenesisBlock()
+	case ctx.GlobalBool(DeveloperFlag.Name):
+		Fatalf("Developer chains are ephemeral")
+	}
+	return genesis
+}
+
+// MakeChain creates a chain manager from set command line flags.
+func MakeChain(ctx *cli.Context, stack *node.Node) (chain *core.BlockChain, chainDb ethdb.Database) {
+	var err error
+	chainDb = MakeChainDatabase(ctx, stack)
+	config, _, err := core.SetupGenesisBlock(chainDb, MakeGenesis(ctx))
+	if err != nil {
+		Fatalf("%v", err)
+	}
+	var engine consensus.Engine
+	if config.Clique != nil {
+		engine = clique.New(config.Clique, chainDb)
+	} else {
+		engine = ethash.NewFaker()
+		if !ctx.GlobalBool(FakePoWFlag.Name) {
+			engine = ethash.New(ethash.Config{
+				CacheDir:       stack.ResolvePath(eth.DefaultConfig.Ethash.CacheDir),
+				CachesInMem:    eth.DefaultConfig.Ethash.CachesInMem,
+				CachesOnDisk:   eth.DefaultConfig.Ethash.CachesOnDisk,
+				DatasetDir:     stack.ResolvePath(eth.DefaultConfig.Ethash.DatasetDir),
+				DatasetsInMem:  eth.DefaultConfig.Ethash.DatasetsInMem,
+				DatasetsOnDisk: eth.DefaultConfig.Ethash.DatasetsOnDisk,
+			}, nil, false)
+		}
+	}
+	if gcmode := ctx.GlobalString(GCModeFlag.Name); gcmode != "full" && gcmode != "archive" {
+		Fatalf("--%s must be either 'full' or 'archive'", GCModeFlag.Name)
+	}
+	cache := &core.CacheConfig{
+		TrieCleanLimit:      eth.DefaultConfig.TrieCleanCache,
+		TrieCleanNoPrefetch: ctx.GlobalBool(CacheNoPrefetchFlag.Name),
+		TrieDirtyLimit:      eth.DefaultConfig.TrieDirtyCache,
+		TrieDirtyDisabled:   ctx.GlobalString(GCModeFlag.Name) == "archive",
+		TrieTimeLimit:       eth.DefaultConfig.TrieTimeout,
+	}
+	if ctx.GlobalIsSet(CacheFlag.Name) || ctx.GlobalIsSet(CacheTrieFlag.Name) {
+		cache.TrieCleanLimit = ctx.GlobalInt(CacheFlag.Name) * ctx.GlobalInt(CacheTrieFlag.Name) / 100
+	}
+	if ctx.GlobalIsSet(CacheFlag.Name) || ctx.GlobalIsSet(CacheGCFlag.Name) {
+		cache.TrieDirtyLimit = ctx.GlobalInt(CacheFlag.Name) * ctx.GlobalInt(CacheGCFlag.Name) / 100
+	}
+	vmcfg := vm.Config{EnablePreimageRecording: ctx.GlobalBool(VMEnableDebugFlag.Name)}
+	chain, err = core.NewBlockChain(chainDb, cache, config, engine, vmcfg, nil)
+	if err != nil {
+		Fatalf("Can't create BlockChain: %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
+	var 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
+}
+
+// MigrateFlags sets the global flag from a local flag when it's set.
+// This is a temporary function used for migrating old command/flags to the
+// new format.
+//
+// e.g. geth account new --keystore /tmp/mykeystore --lightkdf
+//
+// is equivalent after calling this method with:
+//
+// geth --keystore /tmp/mykeystore --lightkdf account new
+//
+// This allows the use of the existing configuration functionality.
+// When all flags are migrated this function can be removed and the existing
+// configuration functionality must be changed that is uses local flags
+func MigrateFlags(action func(ctx *cli.Context) error) func(*cli.Context) error {
+	return func(ctx *cli.Context) error {
+		for _, name := range ctx.FlagNames() {
+			if ctx.IsSet(name) {
+				ctx.GlobalSet(name, ctx.String(name))
+			}
+		}
+		return action(ctx)
+	}
+}