bsc/cmd/utils/flags.go
Kurkó Mihály 4ea9b62b5c dashboard: send current block to the dashboard client (#19762)
This adds all dashboard changes from the last couple months.
We're about to remove the dashboard, but decided that we should
get all the recent work in first in case anyone wants to pick up this
project later on.

* cmd, dashboard, eth, p2p: send peer info to the dashboard
* dashboard: update npm packages, improve UI, rebase
* dashboard, p2p: remove println, change doc
* cmd, dashboard, eth, p2p: cleanup after review
* dashboard: send current block to the dashboard client
2019-11-13 12:13:13 +01:00

1783 lines
60 KiB
Go

// 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"
"io/ioutil"
"math/big"
"os"
"path/filepath"
"strconv"
"strings"
"text/tabwriter"
"text/template"
"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
cli.HelpPrinter = printHelp
}
// 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
}
func printHelp(out io.Writer, templ string, data interface{}) {
funcMap := template.FuncMap{"join": strings.Join}
t := template.Must(template.New("help").Funcs(funcMap).Parse(templ))
w := tabwriter.NewWriter(out, 38, 8, 2, ' ', 0)
err := t.Execute(w, data)
if err != nil {
panic(err)
}
w.Flush()
}
// 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>)",
}
OverrideIstanbulFlag = cli.Uint64Flag{
Name: "override.istanbul",
Usage: "Manually specify Istanbul fork-block, overriding the bundled setting",
}
// 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",
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 lightClient && !ctx.GlobalIsSet(LightLegacyPeersFlag.Name) && !ctx.GlobalIsSet(LightMaxPeersFlag.Name) {
// dynamic default - for clients we use 1/10th of the default for servers
lightPeers /= 10
}
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)
}
if ctx.GlobalIsSet(GCModeFlag.Name) {
cfg.NoPruning = ctx.GlobalString(GCModeFlag.Name) == "archive"
}
if ctx.GlobalIsSet(CacheNoPrefetchFlag.Name) {
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) {
err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
var (
ethServ *eth.Ethereum
lesServ *les.LightEthereum
)
_ = ctx.Service(&ethServ)
_ = ctx.Service(&lesServ)
return dashboard.New(cfg, ethServ, lesServ, commit, ctx.ResolvePath("logs")), nil
})
if err != nil {
Fatalf("Failed to register the dashboard service: %v", err)
}
}
// 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)
}
}