go-ethereum/cmd/geth/config.go

385 lines
12 KiB
Go

// Copyright 2017 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 main
import (
"bufio"
"errors"
"fmt"
"os"
"reflect"
"runtime"
"slices"
"strings"
"unicode"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/accounts/external"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/accounts/scwallet"
"github.com/ethereum/go-ethereum/accounts/usbwallet"
"github.com/ethereum/go-ethereum/beacon/blsync"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/eth/catalyst"
"github.com/ethereum/go-ethereum/eth/ethconfig"
"github.com/ethereum/go-ethereum/internal/flags"
"github.com/ethereum/go-ethereum/internal/version"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/rpc"
"github.com/naoina/toml"
"github.com/urfave/cli/v2"
)
var (
dumpConfigCommand = &cli.Command{
Action: dumpConfig,
Name: "dumpconfig",
Usage: "Export configuration values in a TOML format",
ArgsUsage: "<dumpfile (optional)>",
Flags: slices.Concat(nodeFlags, rpcFlags),
Description: `Export configuration values in TOML format (to stdout by default).`,
}
configFileFlag = &cli.StringFlag{
Name: "config",
Usage: "TOML configuration file",
Category: flags.EthCategory,
}
)
// These settings ensure that TOML keys use the same names as Go struct fields.
var tomlSettings = toml.Config{
NormFieldName: func(rt reflect.Type, key string) string {
return key
},
FieldToKey: func(rt reflect.Type, field string) string {
return field
},
MissingField: func(rt reflect.Type, field string) error {
id := fmt.Sprintf("%s.%s", rt.String(), field)
if deprecatedConfigFields[id] {
log.Warn(fmt.Sprintf("Config field '%s' is deprecated and won't have any effect.", id))
return nil
}
var link string
if unicode.IsUpper(rune(rt.Name()[0])) && rt.PkgPath() != "main" {
link = fmt.Sprintf(", see https://godoc.org/%s#%s for available fields", rt.PkgPath(), rt.Name())
}
return fmt.Errorf("field '%s' is not defined in %s%s", field, rt.String(), link)
},
}
var deprecatedConfigFields = map[string]bool{
"ethconfig.Config.EVMInterpreter": true,
"ethconfig.Config.EWASMInterpreter": true,
"ethconfig.Config.TrieCleanCacheJournal": true,
"ethconfig.Config.TrieCleanCacheRejournal": true,
"ethconfig.Config.LightServ": true,
"ethconfig.Config.LightIngress": true,
"ethconfig.Config.LightEgress": true,
"ethconfig.Config.LightPeers": true,
"ethconfig.Config.LightNoPrune": true,
"ethconfig.Config.LightNoSyncServe": true,
}
type ethstatsConfig struct {
URL string `toml:",omitempty"`
}
type gethConfig struct {
Eth ethconfig.Config
Node node.Config
Ethstats ethstatsConfig
Metrics metrics.Config
}
func loadConfig(file string, cfg *gethConfig) error {
f, err := os.Open(file)
if err != nil {
return err
}
defer f.Close()
err = tomlSettings.NewDecoder(bufio.NewReader(f)).Decode(cfg)
// Add file name to errors that have a line number.
if _, ok := err.(*toml.LineError); ok {
err = errors.New(file + ", " + err.Error())
}
return err
}
func defaultNodeConfig() node.Config {
git, _ := version.VCS()
cfg := node.DefaultConfig
cfg.Name = clientIdentifier
cfg.Version = version.WithCommit(git.Commit, git.Date)
cfg.HTTPModules = append(cfg.HTTPModules, "eth")
cfg.WSModules = append(cfg.WSModules, "eth")
cfg.IPCPath = clientIdentifier + ".ipc"
return cfg
}
// loadBaseConfig loads the gethConfig based on the given command line
// parameters and config file.
func loadBaseConfig(ctx *cli.Context) gethConfig {
// Load defaults.
cfg := gethConfig{
Eth: ethconfig.Defaults,
Node: defaultNodeConfig(),
Metrics: metrics.DefaultConfig,
}
// Load config file.
if file := ctx.String(configFileFlag.Name); file != "" {
if err := loadConfig(file, &cfg); err != nil {
utils.Fatalf("%v", err)
}
}
// Apply flags.
utils.SetNodeConfig(ctx, &cfg.Node)
return cfg
}
// makeConfigNode loads geth configuration and creates a blank node instance.
func makeConfigNode(ctx *cli.Context) (*node.Node, gethConfig) {
cfg := loadBaseConfig(ctx)
stack, err := node.New(&cfg.Node)
if err != nil {
utils.Fatalf("Failed to create the protocol stack: %v", err)
}
// Node doesn't by default populate account manager backends
if err := setAccountManagerBackends(stack.Config(), stack.AccountManager(), stack.KeyStoreDir()); err != nil {
utils.Fatalf("Failed to set account manager backends: %v", err)
}
utils.SetEthConfig(ctx, stack, &cfg.Eth)
if ctx.IsSet(utils.EthStatsURLFlag.Name) {
cfg.Ethstats.URL = ctx.String(utils.EthStatsURLFlag.Name)
}
applyMetricConfig(ctx, &cfg)
return stack, cfg
}
// makeFullNode loads geth configuration and creates the Ethereum backend.
func makeFullNode(ctx *cli.Context) *node.Node {
stack, cfg := makeConfigNode(ctx)
if ctx.IsSet(utils.OverrideCancun.Name) {
v := ctx.Uint64(utils.OverrideCancun.Name)
cfg.Eth.OverrideCancun = &v
}
if ctx.IsSet(utils.OverrideVerkle.Name) {
v := ctx.Uint64(utils.OverrideVerkle.Name)
cfg.Eth.OverrideVerkle = &v
}
backend, eth := utils.RegisterEthService(stack, &cfg.Eth)
// Create gauge with geth system and build information
if eth != nil { // The 'eth' backend may be nil in light mode
var protos []string
for _, p := range eth.Protocols() {
protos = append(protos, fmt.Sprintf("%v/%d", p.Name, p.Version))
}
metrics.NewRegisteredGaugeInfo("geth/info", nil).Update(metrics.GaugeInfoValue{
"arch": runtime.GOARCH,
"os": runtime.GOOS,
"version": cfg.Node.Version,
"protocols": strings.Join(protos, ","),
})
}
// Configure log filter RPC API.
filterSystem := utils.RegisterFilterAPI(stack, backend, &cfg.Eth)
// Configure GraphQL if requested.
if ctx.IsSet(utils.GraphQLEnabledFlag.Name) {
utils.RegisterGraphQLService(stack, backend, filterSystem, &cfg.Node)
}
// Add the Ethereum Stats daemon if requested.
if cfg.Ethstats.URL != "" {
utils.RegisterEthStatsService(stack, backend, cfg.Ethstats.URL)
}
// Configure full-sync tester service if requested
if ctx.IsSet(utils.SyncTargetFlag.Name) {
hex := hexutil.MustDecode(ctx.String(utils.SyncTargetFlag.Name))
if len(hex) != common.HashLength {
utils.Fatalf("invalid sync target length: have %d, want %d", len(hex), common.HashLength)
}
utils.RegisterFullSyncTester(stack, eth, common.BytesToHash(hex))
}
if ctx.IsSet(utils.DeveloperFlag.Name) {
// Start dev mode.
simBeacon, err := catalyst.NewSimulatedBeacon(ctx.Uint64(utils.DeveloperPeriodFlag.Name), eth)
if err != nil {
utils.Fatalf("failed to register dev mode catalyst service: %v", err)
}
catalyst.RegisterSimulatedBeaconAPIs(stack, simBeacon)
stack.RegisterLifecycle(simBeacon)
} else if ctx.IsSet(utils.BeaconApiFlag.Name) {
// Start blsync mode.
srv := rpc.NewServer()
srv.RegisterName("engine", catalyst.NewConsensusAPI(eth))
blsyncer := blsync.NewClient(utils.MakeBeaconLightConfig(ctx))
blsyncer.SetEngineRPC(rpc.DialInProc(srv))
stack.RegisterLifecycle(blsyncer)
} else {
// Launch the engine API for interacting with external consensus client.
err := catalyst.Register(stack, eth)
if err != nil {
utils.Fatalf("failed to register catalyst service: %v", err)
}
}
return stack
}
// dumpConfig is the dumpconfig command.
func dumpConfig(ctx *cli.Context) error {
_, cfg := makeConfigNode(ctx)
comment := ""
if cfg.Eth.Genesis != nil {
cfg.Eth.Genesis = nil
comment += "# Note: this config doesn't contain the genesis block.\n\n"
}
out, err := tomlSettings.Marshal(&cfg)
if err != nil {
return err
}
dump := os.Stdout
if ctx.NArg() > 0 {
dump, err = os.OpenFile(ctx.Args().Get(0), os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {
return err
}
defer dump.Close()
}
dump.WriteString(comment)
dump.Write(out)
return nil
}
func applyMetricConfig(ctx *cli.Context, cfg *gethConfig) {
if ctx.IsSet(utils.MetricsEnabledFlag.Name) {
cfg.Metrics.Enabled = ctx.Bool(utils.MetricsEnabledFlag.Name)
}
if ctx.IsSet(utils.MetricsEnabledExpensiveFlag.Name) {
log.Warn("Expensive metrics are collected by default, please remove this flag", "flag", utils.MetricsEnabledExpensiveFlag.Name)
}
if ctx.IsSet(utils.MetricsHTTPFlag.Name) {
cfg.Metrics.HTTP = ctx.String(utils.MetricsHTTPFlag.Name)
}
if ctx.IsSet(utils.MetricsPortFlag.Name) {
cfg.Metrics.Port = ctx.Int(utils.MetricsPortFlag.Name)
}
if ctx.IsSet(utils.MetricsEnableInfluxDBFlag.Name) {
cfg.Metrics.EnableInfluxDB = ctx.Bool(utils.MetricsEnableInfluxDBFlag.Name)
}
if ctx.IsSet(utils.MetricsInfluxDBEndpointFlag.Name) {
cfg.Metrics.InfluxDBEndpoint = ctx.String(utils.MetricsInfluxDBEndpointFlag.Name)
}
if ctx.IsSet(utils.MetricsInfluxDBDatabaseFlag.Name) {
cfg.Metrics.InfluxDBDatabase = ctx.String(utils.MetricsInfluxDBDatabaseFlag.Name)
}
if ctx.IsSet(utils.MetricsInfluxDBUsernameFlag.Name) {
cfg.Metrics.InfluxDBUsername = ctx.String(utils.MetricsInfluxDBUsernameFlag.Name)
}
if ctx.IsSet(utils.MetricsInfluxDBPasswordFlag.Name) {
cfg.Metrics.InfluxDBPassword = ctx.String(utils.MetricsInfluxDBPasswordFlag.Name)
}
if ctx.IsSet(utils.MetricsInfluxDBTagsFlag.Name) {
cfg.Metrics.InfluxDBTags = ctx.String(utils.MetricsInfluxDBTagsFlag.Name)
}
if ctx.IsSet(utils.MetricsEnableInfluxDBV2Flag.Name) {
cfg.Metrics.EnableInfluxDBV2 = ctx.Bool(utils.MetricsEnableInfluxDBV2Flag.Name)
}
if ctx.IsSet(utils.MetricsInfluxDBTokenFlag.Name) {
cfg.Metrics.InfluxDBToken = ctx.String(utils.MetricsInfluxDBTokenFlag.Name)
}
if ctx.IsSet(utils.MetricsInfluxDBBucketFlag.Name) {
cfg.Metrics.InfluxDBBucket = ctx.String(utils.MetricsInfluxDBBucketFlag.Name)
}
if ctx.IsSet(utils.MetricsInfluxDBOrganizationFlag.Name) {
cfg.Metrics.InfluxDBOrganization = ctx.String(utils.MetricsInfluxDBOrganizationFlag.Name)
}
}
func setAccountManagerBackends(conf *node.Config, am *accounts.Manager, keydir string) error {
scryptN := keystore.StandardScryptN
scryptP := keystore.StandardScryptP
if conf.UseLightweightKDF {
scryptN = keystore.LightScryptN
scryptP = keystore.LightScryptP
}
// Assemble the supported backends
if len(conf.ExternalSigner) > 0 {
log.Info("Using external signer", "url", conf.ExternalSigner)
if extBackend, err := external.NewExternalBackend(conf.ExternalSigner); err == nil {
am.AddBackend(extBackend)
return nil
} else {
return fmt.Errorf("error connecting to external signer: %v", err)
}
}
// For now, we're using EITHER external signer OR local signers.
// If/when we implement some form of lockfile for USB and keystore wallets,
// we can have both, but it's very confusing for the user to see the same
// accounts in both externally and locally, plus very racey.
am.AddBackend(keystore.NewKeyStore(keydir, scryptN, scryptP))
if conf.USB {
// Start a USB hub for Ledger hardware wallets
if ledgerhub, err := usbwallet.NewLedgerHub(); err != nil {
log.Warn(fmt.Sprintf("Failed to start Ledger hub, disabling: %v", err))
} else {
am.AddBackend(ledgerhub)
}
// Start a USB hub for Trezor hardware wallets (HID version)
if trezorhub, err := usbwallet.NewTrezorHubWithHID(); err != nil {
log.Warn(fmt.Sprintf("Failed to start HID Trezor hub, disabling: %v", err))
} else {
am.AddBackend(trezorhub)
}
// Start a USB hub for Trezor hardware wallets (WebUSB version)
if trezorhub, err := usbwallet.NewTrezorHubWithWebUSB(); err != nil {
log.Warn(fmt.Sprintf("Failed to start WebUSB Trezor hub, disabling: %v", err))
} else {
am.AddBackend(trezorhub)
}
}
if len(conf.SmartCardDaemonPath) > 0 {
// Start a smart card hub
if schub, err := scwallet.NewHub(conf.SmartCardDaemonPath, scwallet.Scheme, keydir); err != nil {
log.Warn(fmt.Sprintf("Failed to start smart card hub, disabling: %v", err))
} else {
am.AddBackend(schub)
}
}
return nil
}