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flags.go
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flags.go
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// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// 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"
"fmt"
"io"
"io/ioutil"
"math"
"math/big"
"os"
"path/filepath"
godebug "runtime/debug"
"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/rawdb"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/eth/ethconfig"
"github.com/ethereum/go-ethereum/eth/gasprice"
"github.com/ethereum/go-ethereum/eth/tracers"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethstats"
"github.com/ethereum/go-ethereum/graphql"
"github.com/ethereum/go-ethereum/internal/ethapi"
"github.com/ethereum/go-ethereum/internal/flags"
"github.com/ethereum/go-ethereum/les"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/metrics/exp"
"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/enode"
"github.com/ethereum/go-ethereum/p2p/nat"
"github.com/ethereum/go-ethereum/p2p/netutil"
"github.com/ethereum/go-ethereum/params"
pcsclite "github.com/gballet/go-libpcsclite"
gopsutil "github.com/shirou/gopsutil/mem"
"gopkg.in/urfave/cli.v1"
)
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 = flags.CommandHelpTemplate
cli.HelpPrinter = printHelp
}
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)",
}
MinFreeDiskSpaceFlag = DirectoryFlag{
Name: "datadir.minfreedisk",
Usage: "Minimum free disk space in MB, once reached triggers auto shut down (default = --cache.gc converted to MB, 0 = disabled)",
}
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 (deprecated)",
}
USBFlag = cli.BoolFlag{
Name: "usb",
Usage: "Enable monitoring and management of 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: "Explicitly set network id (integer)(For testnets: use --ropsten, --rinkeby, --goerli instead)",
Value: ethconfig.Defaults.NetworkId,
}
MainnetFlag = cli.BoolFlag{
Name: "mainnet",
Usage: "Ethereum mainnet",
}
GoerliFlag = cli.BoolFlag{
Name: "goerli",
Usage: "Görli network: pre-configured proof-of-authority test network",
}
CalaverasFlag = cli.BoolFlag{
Name: "calaveras",
Usage: "Calaveras network: pre-configured proof-of-authority shortlived test network.",
}
RinkebyFlag = cli.BoolFlag{
Name: "rinkeby",
Usage: "Rinkeby network: pre-configured proof-of-authority test network",
}
RopstenFlag = cli.BoolFlag{
Name: "ropsten",
Usage: "Ropsten network: pre-configured proof-of-work 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.BoolTFlag{
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)",
}
StartKeyFlag = cli.StringFlag{
Name: "start",
Usage: "Start position. Either a hash or address",
Value: "0x0000000000000000000000000000000000000000000000000000000000000000",
}
DumpLimitFlag = cli.Uint64Flag{
Name: "limit",
Usage: "Max number of elements (0 = no limit)",
Value: 0,
}
defaultSyncMode = ethconfig.Defaults.SyncMode
SyncModeFlag = TextMarshalerFlag{
Name: "syncmode",
Usage: `Blockchain sync mode ("fast", "full", "snap" or "light")`,
Value: &defaultSyncMode,
}
GCModeFlag = cli.StringFlag{
Name: "gcmode",
Usage: `Blockchain garbage collection mode ("full", "archive")`,
Value: "full",
}
SnapshotFlag = cli.BoolTFlag{
Name: "snapshot",
Usage: `Enables snapshot-database mode (default = enable)`,
}
TxLookupLimitFlag = cli.Uint64Flag{
Name: "txlookuplimit",
Usage: "Number of recent blocks to maintain transactions index for (default = about one year, 0 = entire chain)",
Value: ethconfig.Defaults.TxLookupLimit,
}
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>)",
}
BloomFilterSizeFlag = cli.Uint64Flag{
Name: "bloomfilter.size",
Usage: "Megabytes of memory allocated to bloom-filter for pruning",
Value: 2048,
}
OverrideLondonFlag = cli.Uint64Flag{
Name: "override.london",
Usage: "Manually specify London fork-block, overriding the bundled setting",
}
// Light server and client settings
LightServeFlag = cli.IntFlag{
Name: "light.serve",
Usage: "Maximum percentage of time allowed for serving LES requests (multi-threaded processing allows values over 100)",
Value: ethconfig.Defaults.LightServ,
}
LightIngressFlag = cli.IntFlag{
Name: "light.ingress",
Usage: "Incoming bandwidth limit for serving light clients (kilobytes/sec, 0 = unlimited)",
Value: ethconfig.Defaults.LightIngress,
}
LightEgressFlag = cli.IntFlag{
Name: "light.egress",
Usage: "Outgoing bandwidth limit for serving light clients (kilobytes/sec, 0 = unlimited)",
Value: ethconfig.Defaults.LightEgress,
}
LightMaxPeersFlag = cli.IntFlag{
Name: "light.maxpeers",
Usage: "Maximum number of light clients to serve, or light servers to attach to",
Value: ethconfig.Defaults.LightPeers,
}
UltraLightServersFlag = cli.StringFlag{
Name: "ulc.servers",
Usage: "List of trusted ultra-light servers",
Value: strings.Join(ethconfig.Defaults.UltraLightServers, ","),
}
UltraLightFractionFlag = cli.IntFlag{
Name: "ulc.fraction",
Usage: "Minimum % of trusted ultra-light servers required to announce a new head",
Value: ethconfig.Defaults.UltraLightFraction,
}
UltraLightOnlyAnnounceFlag = cli.BoolFlag{
Name: "ulc.onlyannounce",
Usage: "Ultra light server sends announcements only",
}
LightNoPruneFlag = cli.BoolFlag{
Name: "light.nopruning",
Usage: "Disable ancient light chain data pruning",
}
LightNoSyncServeFlag = cli.BoolFlag{
Name: "light.nosyncserve",
Usage: "Enables serving light clients before syncing",
}
// 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: ethconfig.Defaults.Ethash.CachesInMem,
}
EthashCachesOnDiskFlag = cli.IntFlag{
Name: "ethash.cachesondisk",
Usage: "Number of recent ethash caches to keep on disk (16MB each)",
Value: ethconfig.Defaults.Ethash.CachesOnDisk,
}
EthashCachesLockMmapFlag = cli.BoolFlag{
Name: "ethash.cacheslockmmap",
Usage: "Lock memory maps of recent ethash caches",
}
EthashDatasetDirFlag = DirectoryFlag{
Name: "ethash.dagdir",
Usage: "Directory to store the ethash mining DAGs",
Value: DirectoryString(ethconfig.Defaults.Ethash.DatasetDir),
}
EthashDatasetsInMemoryFlag = cli.IntFlag{
Name: "ethash.dagsinmem",
Usage: "Number of recent ethash mining DAGs to keep in memory (1+GB each)",
Value: ethconfig.Defaults.Ethash.DatasetsInMem,
}
EthashDatasetsOnDiskFlag = cli.IntFlag{
Name: "ethash.dagsondisk",
Usage: "Number of recent ethash mining DAGs to keep on disk (1+GB each)",
Value: ethconfig.Defaults.Ethash.DatasetsOnDisk,
}
EthashDatasetsLockMmapFlag = cli.BoolFlag{
Name: "ethash.dagslockmmap",
Usage: "Lock memory maps for recent ethash mining DAGs",
}
// 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: ethconfig.Defaults.TxPool.PriceLimit,
}
TxPoolPriceBumpFlag = cli.Uint64Flag{
Name: "txpool.pricebump",
Usage: "Price bump percentage to replace an already existing transaction",
Value: ethconfig.Defaults.TxPool.PriceBump,
}
TxPoolAccountSlotsFlag = cli.Uint64Flag{
Name: "txpool.accountslots",
Usage: "Minimum number of executable transaction slots guaranteed per account",
Value: ethconfig.Defaults.TxPool.AccountSlots,
}
TxPoolGlobalSlotsFlag = cli.Uint64Flag{
Name: "txpool.globalslots",
Usage: "Maximum number of executable transaction slots for all accounts",
Value: ethconfig.Defaults.TxPool.GlobalSlots,
}
TxPoolAccountQueueFlag = cli.Uint64Flag{
Name: "txpool.accountqueue",
Usage: "Maximum number of non-executable transaction slots permitted per account",
Value: ethconfig.Defaults.TxPool.AccountQueue,
}
TxPoolGlobalQueueFlag = cli.Uint64Flag{
Name: "txpool.globalqueue",
Usage: "Maximum number of non-executable transaction slots for all accounts",
Value: ethconfig.Defaults.TxPool.GlobalQueue,
}
TxPoolLifetimeFlag = cli.DurationFlag{
Name: "txpool.lifetime",
Usage: "Maximum amount of time non-executable transaction are queued",
Value: ethconfig.Defaults.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 = 15% full mode, 30% archive mode)",
Value: 15,
}
CacheTrieJournalFlag = cli.StringFlag{
Name: "cache.trie.journal",
Usage: "Disk journal directory for trie cache to survive node restarts",
Value: ethconfig.Defaults.TrieCleanCacheJournal,
}
CacheTrieRejournalFlag = cli.DurationFlag{
Name: "cache.trie.rejournal",
Usage: "Time interval to regenerate the trie cache journal",
Value: ethconfig.Defaults.TrieCleanCacheRejournal,
}
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,
}
CacheSnapshotFlag = cli.IntFlag{
Name: "cache.snapshot",
Usage: "Percentage of cache memory allowance to use for snapshot caching (default = 10% full mode, 20% archive mode)",
Value: 10,
}
CacheNoPrefetchFlag = cli.BoolFlag{
Name: "cache.noprefetch",
Usage: "Disable heuristic state prefetch during block import (less CPU and disk IO, more time waiting for data)",
}
CachePreimagesFlag = cli.BoolFlag{
Name: "cache.preimages",
Usage: "Enable recording the SHA3/keccak preimages of trie keys",
}
// 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,
}
MinerNotifyFlag = cli.StringFlag{
Name: "miner.notify",
Usage: "Comma separated HTTP URL list to notify of new work packages",
}
MinerNotifyFullFlag = cli.BoolFlag{
Name: "miner.notify.full",
Usage: "Notify with pending block headers instead of work packages",
}
MinerGasTargetFlag = cli.Uint64Flag{
Name: "miner.gastarget",
Usage: "Target gas floor for mined blocks",
Value: ethconfig.Defaults.Miner.GasFloor,
}
MinerGasLimitFlag = cli.Uint64Flag{
Name: "miner.gaslimit",
Usage: "Target gas ceiling for mined blocks",
Value: ethconfig.Defaults.Miner.GasCeil,
}
MinerGasPriceFlag = BigFlag{
Name: "miner.gasprice",
Usage: "Minimum gas price for mining a transaction",
Value: ethconfig.Defaults.Miner.GasPrice,
}
MinerEtherbaseFlag = cli.StringFlag{
Name: "miner.etherbase",
Usage: "Public address for block mining rewards (default = first account)",
Value: "0",
}
MinerExtraDataFlag = cli.StringFlag{
Name: "miner.extradata",
Usage: "Block extra data set by the miner (default = client version)",
}
MinerRecommitIntervalFlag = cli.DurationFlag{
Name: "miner.recommit",
Usage: "Time interval to recreate the block being mined",
Value: ethconfig.Defaults.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",
}
RPCGlobalGasCapFlag = cli.Uint64Flag{
Name: "rpc.gascap",
Usage: "Sets a cap on gas that can be used in eth_call/estimateGas (0=infinite)",
Value: ethconfig.Defaults.RPCGasCap,
}
RPCGlobalTxFeeCapFlag = cli.Float64Flag{
Name: "rpc.txfeecap",
Usage: "Sets a cap on transaction fee (in ether) that can be sent via the RPC APIs (0 = no cap)",
Value: ethconfig.Defaults.RPCTxFeeCap,
}
// 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)",
}
HTTPEnabledFlag = cli.BoolFlag{
Name: "http",
Usage: "Enable the HTTP-RPC server",
}
HTTPListenAddrFlag = cli.StringFlag{
Name: "http.addr",
Usage: "HTTP-RPC server listening interface",
Value: node.DefaultHTTPHost,
}
HTTPPortFlag = cli.IntFlag{
Name: "http.port",
Usage: "HTTP-RPC server listening port",
Value: node.DefaultHTTPPort,
}
HTTPCORSDomainFlag = cli.StringFlag{
Name: "http.corsdomain",
Usage: "Comma separated list of domains from which to accept cross origin requests (browser enforced)",
Value: "",
}
HTTPVirtualHostsFlag = cli.StringFlag{
Name: "http.vhosts",
Usage: "Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard.",
Value: strings.Join(node.DefaultConfig.HTTPVirtualHosts, ","),
}
HTTPApiFlag = cli.StringFlag{
Name: "http.api",
Usage: "API's offered over the HTTP-RPC interface",
Value: "",
}
HTTPPathPrefixFlag = cli.StringFlag{
Name: "http.rpcprefix",
Usage: "HTTP path path prefix on which JSON-RPC is served. Use '/' to serve on all paths.",
Value: "",
}
GraphQLEnabledFlag = cli.BoolFlag{
Name: "graphql",
Usage: "Enable GraphQL on the HTTP-RPC server. Note that GraphQL can only be started if an HTTP server is started as well.",
}
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, ","),
}
WSEnabledFlag = cli.BoolFlag{
Name: "ws",
Usage: "Enable the WS-RPC server",
}
WSListenAddrFlag = cli.StringFlag{
Name: "ws.addr",
Usage: "WS-RPC server listening interface",
Value: node.DefaultWSHost,
}
WSPortFlag = cli.IntFlag{
Name: "ws.port",
Usage: "WS-RPC server listening port",
Value: node.DefaultWSPort,
}
WSApiFlag = cli.StringFlag{
Name: "ws.api",
Usage: "API's offered over the WS-RPC interface",
Value: "",
}
WSAllowedOriginsFlag = cli.StringFlag{
Name: "ws.origins",
Usage: "Origins from which to accept websockets requests",
Value: "",
}
WSPathPrefixFlag = cli.StringFlag{
Name: "ws.rpcprefix",
Usage: "HTTP path prefix on which JSON-RPC is served. Use '/' to serve on all paths.",
Value: "",
}
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",
}
AllowUnprotectedTxs = cli.BoolFlag{
Name: "rpc.allow-unprotected-txs",
Usage: "Allow for unprotected (non EIP155 signed) transactions to be submitted via RPC",
}
// 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",
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)",
}
DNSDiscoveryFlag = cli.StringFlag{
Name: "discovery.dns",
Usage: "Sets DNS discovery entry points (use \"\" to disable DNS)",
}
// ATM the url is left to the user and deployment to
JSpathFlag = DirectoryFlag{
Name: "jspath",
Usage: "JavaScript root path for `loadScript`",
Value: DirectoryString("."),
}
// Gas price oracle settings
GpoBlocksFlag = cli.IntFlag{
Name: "gpo.blocks",
Usage: "Number of recent blocks to check for gas prices",
Value: ethconfig.Defaults.GPO.Blocks,
}
GpoPercentileFlag = cli.IntFlag{
Name: "gpo.percentile",
Usage: "Suggested gas price is the given percentile of a set of recent transaction gas prices",
Value: ethconfig.Defaults.GPO.Percentile,
}
GpoMaxGasPriceFlag = cli.Int64Flag{
Name: "gpo.maxprice",
Usage: "Maximum gas price will be recommended by gpo",
Value: ethconfig.Defaults.GPO.MaxPrice.Int64(),
}
GpoIgnoreGasPriceFlag = cli.Int64Flag{
Name: "gpo.ignoreprice",
Usage: "Gas price below which gpo will ignore transactions",
Value: ethconfig.Defaults.GPO.IgnorePrice.Int64(),
}
// 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",
}
// MetricsHTTPFlag defines the endpoint for a stand-alone metrics HTTP endpoint.
// Since the pprof service enables sensitive/vulnerable behavior, this allows a user
// to enable a public-OK metrics endpoint without having to worry about ALSO exposing
// other profiling behavior or information.
MetricsHTTPFlag = cli.StringFlag{
Name: "metrics.addr",
Usage: "Enable stand-alone metrics HTTP server listening interface",
Value: metrics.DefaultConfig.HTTP,
}
MetricsPortFlag = cli.IntFlag{
Name: "metrics.port",
Usage: "Metrics HTTP server listening port",
Value: metrics.DefaultConfig.Port,
}
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: metrics.DefaultConfig.InfluxDBEndpoint,
}
MetricsInfluxDBDatabaseFlag = cli.StringFlag{
Name: "metrics.influxdb.database",
Usage: "InfluxDB database name to push reported metrics to",
Value: metrics.DefaultConfig.InfluxDBDatabase,
}
MetricsInfluxDBUsernameFlag = cli.StringFlag{
Name: "metrics.influxdb.username",
Usage: "Username to authorize access to the database",
Value: metrics.DefaultConfig.InfluxDBUsername,
}
MetricsInfluxDBPasswordFlag = cli.StringFlag{
Name: "metrics.influxdb.password",
Usage: "Password to authorize access to the database",
Value: metrics.DefaultConfig.InfluxDBPassword,
}
// 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: metrics.DefaultConfig.InfluxDBTags,
}
CatalystFlag = cli.BoolFlag{
Name: "catalyst",
Usage: "Catalyst mode (eth2 integration testing)",
}
)
// MakeDataDir retrieves the currently requested data directory, terminating
// if none (or the empty string) is specified. If the node is starting a testnet,
// then 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(RopstenFlag.Name) {
// Maintain compatibility with older Geth configurations storing the
// Ropsten database in `testnet` instead of `ropsten`.
return filepath.Join(path, "ropsten")
}
if ctx.GlobalBool(RinkebyFlag.Name) {
return filepath.Join(path, "rinkeby")
}
if ctx.GlobalBool(GoerliFlag.Name) {
return filepath.Join(path, "goerli")
}
if ctx.GlobalBool(CalaverasFlag.Name) {
return filepath.Join(path, "calaveras")
}
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):
urls = SplitAndTrim(ctx.GlobalString(BootnodesFlag.Name))
case ctx.GlobalBool(RopstenFlag.Name):
urls = params.RopstenBootnodes
case ctx.GlobalBool(RinkebyFlag.Name):
urls = params.RinkebyBootnodes
case ctx.GlobalBool(GoerliFlag.Name):
urls = params.GoerliBootnodes
case ctx.GlobalBool(CalaverasFlag.Name):
urls = params.CalaverasBootnodes
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.V5Bootnodes
switch {
case ctx.GlobalIsSet(BootnodesFlag.Name):
urls = SplitAndTrim(ctx.GlobalString(BootnodesFlag.Name))
case cfg.BootstrapNodesV5 != nil:
return // already set, don't apply defaults.
}
cfg.BootstrapNodesV5 = make([]*enode.Node, 0, len(urls))
for _, url := range urls {
if url != "" {
node, err := enode.Parse(enode.ValidSchemes, 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) (ret []string) {
l := strings.Split(input, ",")
for _, r := range l {
if r = strings.TrimSpace(r); r != "" {
ret = append(ret, r)
}
}
return ret
}
// 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(LegacyRPCEnabledFlag.Name) && cfg.HTTPHost == "" {
log.Warn("The flag --rpc is deprecated and will be removed June 2021, please use --http")
cfg.HTTPHost = "127.0.0.1"
if ctx.GlobalIsSet(LegacyRPCListenAddrFlag.Name) {
cfg.HTTPHost = ctx.GlobalString(LegacyRPCListenAddrFlag.Name)
log.Warn("The flag --rpcaddr is deprecated and will be removed June 2021, please use --http.addr")
}
}
if ctx.GlobalBool(HTTPEnabledFlag.Name) && cfg.HTTPHost == "" {
cfg.HTTPHost = "127.0.0.1"
if ctx.GlobalIsSet(HTTPListenAddrFlag.Name) {
cfg.HTTPHost = ctx.GlobalString(HTTPListenAddrFlag.Name)
}
}
if ctx.GlobalIsSet(LegacyRPCPortFlag.Name) {
cfg.HTTPPort = ctx.GlobalInt(LegacyRPCPortFlag.Name)
log.Warn("The flag --rpcport is deprecated and will be removed June 2021, please use --http.port")
}
if ctx.GlobalIsSet(HTTPPortFlag.Name) {
cfg.HTTPPort = ctx.GlobalInt(HTTPPortFlag.Name)
}
if ctx.GlobalIsSet(LegacyRPCCORSDomainFlag.Name) {
cfg.HTTPCors = SplitAndTrim(ctx.GlobalString(LegacyRPCCORSDomainFlag.Name))
log.Warn("The flag --rpccorsdomain is deprecated and will be removed June 2021, please use --http.corsdomain")
}
if ctx.GlobalIsSet(HTTPCORSDomainFlag.Name) {
cfg.HTTPCors = SplitAndTrim(ctx.GlobalString(HTTPCORSDomainFlag.Name))
}
if ctx.GlobalIsSet(LegacyRPCApiFlag.Name) {
cfg.HTTPModules = SplitAndTrim(ctx.GlobalString(LegacyRPCApiFlag.Name))
log.Warn("The flag --rpcapi is deprecated and will be removed June 2021, please use --http.api")
}
if ctx.GlobalIsSet(HTTPApiFlag.Name) {
cfg.HTTPModules = SplitAndTrim(ctx.GlobalString(HTTPApiFlag.Name))
}
if ctx.GlobalIsSet(LegacyRPCVirtualHostsFlag.Name) {
cfg.HTTPVirtualHosts = SplitAndTrim(ctx.GlobalString(LegacyRPCVirtualHostsFlag.Name))
log.Warn("The flag --rpcvhosts is deprecated and will be removed June 2021, please use --http.vhosts")
}
if ctx.GlobalIsSet(HTTPVirtualHostsFlag.Name) {
cfg.HTTPVirtualHosts = SplitAndTrim(ctx.GlobalString(HTTPVirtualHostsFlag.Name))
}
if ctx.GlobalIsSet(HTTPPathPrefixFlag.Name) {
cfg.HTTPPathPrefix = ctx.GlobalString(HTTPPathPrefixFlag.Name)
}
if ctx.GlobalIsSet(AllowUnprotectedTxs.Name) {
cfg.AllowUnprotectedTxs = ctx.GlobalBool(AllowUnprotectedTxs.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.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))
}