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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"
"math/big"
"os"
"path"
"path/filepath"
"strconv"
"strings"
"text/tabwriter"
"text/template"
"github.com/ledgerwatch/erigon-lib/kv"
"github.com/ledgerwatch/erigon-lib/txpool"
"github.com/ledgerwatch/erigon/eth/protocols/eth"
"github.com/ledgerwatch/erigon/params/networkname"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
"github.com/urfave/cli"
"github.com/ledgerwatch/erigon/common"
"github.com/ledgerwatch/erigon/common/paths"
"github.com/ledgerwatch/erigon/consensus/ethash"
"github.com/ledgerwatch/erigon/core"
"github.com/ledgerwatch/erigon/crypto"
"github.com/ledgerwatch/erigon/eth/ethconfig"
"github.com/ledgerwatch/erigon/eth/gasprice"
"github.com/ledgerwatch/erigon/internal/flags"
"github.com/ledgerwatch/erigon/metrics"
"github.com/ledgerwatch/erigon/node"
"github.com/ledgerwatch/erigon/p2p"
"github.com/ledgerwatch/erigon/p2p/enode"
"github.com/ledgerwatch/erigon/p2p/nat"
"github.com/ledgerwatch/erigon/p2p/netutil"
"github.com/ledgerwatch/erigon/params"
"github.com/ledgerwatch/log/v3"
)
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",
Value: DirectoryString(paths.DefaultDataDir()),
}
MdbxAugmentLimitFlag = DirectoryFlag{
Name: "mdbx.augment.limit",
Usage: "Data directory for the databases",
Value: DirectoryString(paths.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)",
}
NetworkIdFlag = cli.Uint64Flag{
Name: "networkid",
Usage: "Explicitly set network id (integer)(For testnets: use --chain <testnet_name> instead)",
Value: ethconfig.Defaults.NetworkID,
}
DeveloperPeriodFlag = cli.IntFlag{
Name: "dev.period",
Usage: "Block period to use in developer mode (0 = mine only if transaction pending)",
}
ChainFlag = cli.StringFlag{
Name: "chain",
Usage: "Name of the testnet to join",
Value: networkname.MainnetChainName,
}
IdentityFlag = cli.StringFlag{
Name: "identity",
Usage: "Custom node name",
}
WhitelistFlag = cli.StringFlag{
Name: "whitelist",
Usage: "Comma separated block number-to-hash mappings to enforce (<number>=<hash>)",
}
// Ethash settings
EthashCachesInMemoryFlag = cli.IntFlag{
Name: "ethash.cachesinmem",
Usage: "Number of recent ethash caches to keep in memory (16MB each)",
Value: ethconfig.Defaults.Ethash.CachesInMem,
}
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),
}
EthashDatasetsLockMmapFlag = cli.BoolFlag{
Name: "ethash.dagslockmmap",
Usage: "Lock memory maps for recent ethash mining DAGs",
}
// Transaction pool settings
TxPoolDisableFlag = cli.BoolFlag{
Name: "txpool.disable",
Usage: "experimental external pool and block producer, see ./cmd/txpool/readme.md for more info. Disabling internal txpool and block producer.",
}
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 (fee cap) 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: txpool.DefaultConfig.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,
}
TxPoolGlobalBaseFeeSlotsFlag = cli.Uint64Flag{
Name: "txpool.globalbasefeeslots",
Usage: "Maximum number of non-executable transactions where only not enough baseFee",
Value: ethconfig.Defaults.TxPool.GlobalQueue,
}
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,
}
TxPoolTraceSendersFlag = cli.StringFlag{
Name: "txpool.trace.senders",
Usage: "Comma separared list of addresses, whoes transactions will traced in transaction pool with debug printing",
Value: "",
}
// Miner settings
MiningEnabledFlag = cli.BoolFlag{
Name: "mine",
Usage: "Enable mining",
}
ProposingEnabledFlag = cli.BoolFlag{
Name: "proposer",
Usage: "Enable PoS proposer",
}
MinerNotifyFlag = cli.StringFlag{
Name: "miner.notify",
Usage: "Comma separated HTTP URL list to notify of new work packages",
}
MinerGasLimitFlag = cli.Uint64Flag{
Name: "miner.gaslimit",
Usage: "Target gas limit for mined blocks",
Value: ethconfig.Defaults.Miner.GasLimit,
}
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",
Value: "0",
}
MinerSigningKeyFileFlag = cli.StringFlag{
Name: "miner.sigfile",
Usage: "Private key to sign blocks with",
Value: "",
}
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",
}
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",
}
// 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: "",
}
TLSFlag = cli.BoolFlag{
Name: "tls",
Usage: "Enable TLS handshake",
}
TLSCertFlag = cli.StringFlag{
Name: "tls.cert",
Usage: "Specify certificate",
Value: "",
}
TLSKeyFlag = cli.StringFlag{
Name: "tls.key",
Usage: "Specify key file",
Value: "",
}
TLSCACertFlag = cli.StringFlag{
Name: "tls.cacert",
Usage: "Specify certificate authority",
Value: "",
}
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,
}
SentryAddrFlag = cli.StringFlag{
Name: "sentry.api.addr",
Usage: "comma separated sentry addresses '<host>:<port>,<host>:<port>'",
}
DownloaderAddrFlag = cli.StringFlag{
Name: "downloader.api.addr",
Value: "127.0.0.1:9093",
Usage: "downloader address '<host>:<port>'",
}
BootnodesFlag = cli.StringFlag{
Name: "bootnodes",
Usage: "Comma separated enode URLs for P2P discovery bootstrap",
Value: "",
}
StaticPeersFlag = cli.StringFlag{
Name: "staticpeers",
Usage: "Comma separated enode URLs to connect to",
Value: "",
}
TrustedPeersFlag = cli.StringFlag{
Name: "trustedpeers",
Usage: "Comma separated enode URLs which are always allowed to connect, even above the peer limit",
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>)
"" or "none" default - do not nat
"extip:77.12.33.4" will assume the local machine is reachable on the given IP
"any" uses the first auto-detected mechanism
"upnp" uses the Universal Plug and Play protocol
"pmp" uses NAT-PMP with an auto-detected gateway address
"pmp:192.168.0.1" uses NAT-PMP with the given gateway address
`,
Value: "",
}
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 = cli.StringFlag{
Name: "jspath",
Usage: "JavaScript root path for `loadScript`",
Value: ".",
}
// 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(),
}
// 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,
}
CliqueSnapshotCheckpointIntervalFlag = cli.UintFlag{
Name: "clique.checkpoint",
Usage: "number of blocks after which to save the vote snapshot to the database",
Value: 10,
}
CliqueSnapshotInmemorySnapshotsFlag = cli.IntFlag{
Name: "clique.snapshots",
Usage: "number of recent vote snapshots to keep in memory",
Value: 1024,
}
CliqueSnapshotInmemorySignaturesFlag = cli.IntFlag{
Name: "clique.signatures",
Usage: "number of recent block signatures to keep in memory",
Value: 16384,
}
CliqueDataDirFlag = DirectoryFlag{
Name: "clique.datadir",
Usage: "a path to clique db folder",
Value: "",
}
SnapshotSyncFlag = cli.BoolFlag{
Name: "experimental.snapshot",
Usage: "Enabling experimental snapshot sync",
}
HealthCheckFlag = cli.BoolFlag{
Name: "healthcheck",
Usage: "Enabling grpc health check",
}
)
var MetricFlags = []cli.Flag{MetricsEnabledFlag, MetricsEnabledExpensiveFlag, MetricsHTTPFlag, MetricsPortFlag}
// 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, nodeName, dataDir string) {
cfg.Name = nodeName
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 err := os.MkdirAll(path.Dir(file), 0755); err != nil {
panic(err)
}
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
default:
cfg.PrivateKey = nodeKey(path.Join(dataDir, "nodekey"))
}
}
// 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
}
}
func setNodeUserIdentCobra(f *pflag.FlagSet, cfg *node.Config) {
if identity := f.String(IdentityFlag.Name, IdentityFlag.Value, IdentityFlag.Usage); identity != nil && 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
if ctx.GlobalIsSet(BootnodesFlag.Name) {
urls = SplitAndTrim(ctx.GlobalString(BootnodesFlag.Name))
} else {
chain := ctx.GlobalString(ChainFlag.Name)
switch chain {
case networkname.RopstenChainName:
urls = params.RopstenBootnodes
case networkname.RinkebyChainName:
urls = params.RinkebyBootnodes
case networkname.GoerliChainName:
urls = params.GoerliBootnodes
case networkname.ErigonMineName:
urls = params.ErigonBootnodes
case networkname.SokolChainName:
urls = params.SokolBootnodes
case networkname.KovanChainName:
urls = params.KovanBootnodes
case networkname.FermionChainName:
urls = params.FermionBootnodes
case networkname.BSCMainnetChainName:
urls = params.BSCMainnetBootnodes
default:
if cfg.BootstrapNodes != nil {
return // already set, don't apply defaults.
}
}
}
cfg.BootstrapNodes, _ = GetUrlListNodes(urls, BootnodesFlag.Name, log.Crit)
}
// 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.MainnetBootnodes
if ctx.GlobalIsSet(BootnodesFlag.Name) {
urls = SplitAndTrim(ctx.GlobalString(BootnodesFlag.Name))
} else {
chain := ctx.GlobalString(ChainFlag.Name)
switch chain {
case networkname.RopstenChainName:
urls = params.RopstenBootnodes
case networkname.RinkebyChainName:
urls = params.RinkebyBootnodes
case networkname.GoerliChainName:
urls = params.GoerliBootnodes
case networkname.ErigonMineName:
urls = params.ErigonBootnodes
case networkname.SokolChainName:
urls = params.SokolBootnodes
case networkname.KovanChainName:
urls = params.KovanBootnodes
case networkname.FermionChainName:
urls = params.FermionBootnodes
case networkname.BSCMainnetChainName:
urls = params.BSCMainnetBootnodes
default:
if cfg.BootstrapNodesV5 != nil {
return // already set, don't apply defaults.
}
}
}
cfg.BootstrapNodesV5, _ = GetUrlListNodes(urls, BootnodesFlag.Name, log.Error)
}
func setStaticPeers(ctx *cli.Context, cfg *p2p.Config) {
cfg.StaticNodes, _ = appendCfgUrlListNodes(cfg.StaticNodes, ctx, StaticPeersFlag.Name, log.Error)
}
func setTrustedPeers(ctx *cli.Context, cfg *p2p.Config) {
cfg.TrustedNodes, _ = appendCfgUrlListNodes(cfg.TrustedNodes, ctx, TrustedPeersFlag.Name, log.Error)
}
func appendCfgUrlListNodes(nodes []*enode.Node, ctx *cli.Context, flagName string, logFn func(msg string, ctx ...interface{})) ([]*enode.Node, error) {
if ctx.GlobalIsSet(flagName) {
urls := SplitAndTrim(ctx.GlobalString(flagName))
return appendUrlListNodes(nodes, urls, flagName, logFn)
}
return nodes, nil
}
func GetUrlListNodes(urls []string, nodeType string, logFn func(msg string, ctx ...interface{})) (_ []*enode.Node, retErr error) {
return appendUrlListNodes(nil, urls, nodeType, logFn)
}
func appendUrlListNodes(nodes []*enode.Node, urls []string, nodeType string, logFn func(msg string, ctx ...interface{})) (_ []*enode.Node, retErr error) {
if nodes == nil {
nodes = make([]*enode.Node, 0, len(urls))
}
for _, url := range urls {
if url != "" {
node, err := enode.Parse(enode.ValidSchemes, url)
if err != nil {
retErr = err
if logFn != nil {
logFn(fmt.Sprintf("%s URL invalid", nodeType), "url", url, "err", err)
}
} else {
nodes = append(nodes, node)
}
}
}
return nodes, retErr
}
// NewP2PConfig
// - doesn't setup bootnodes - they will set when genesisHash will know
func NewP2PConfig(nodiscover bool, datadir, netRestrict, natSetting, nodeName string, staticPeers []string, trustedPeers []string, port, protocol uint) (*p2p.Config, error) {
var enodeDBPath string
switch protocol {
case eth.ETH66:
enodeDBPath = path.Join(datadir, "nodes", "eth66")
default:
return nil, fmt.Errorf("unknown protocol: %v", protocol)
}
serverKey := nodeKey(path.Join(datadir, "nodekey"))
cfg := &p2p.Config{
ListenAddr: fmt.Sprintf(":%d", port),
MaxPeers: 100,
NAT: nat.Any(),
NoDiscovery: nodiscover,
PrivateKey: serverKey,
Name: nodeName,
Logger: log.New(),
NodeDatabase: enodeDBPath,
}
if netRestrict != "" {
cfg.NetRestrict = new(netutil.Netlist)
cfg.NetRestrict.Add(netRestrict)
}
if staticPeers != nil {
staticNodes, err := GetUrlListNodes(staticPeers, StaticPeersFlag.Name, log.Error)
if err != nil {
return nil, err
}
cfg.StaticNodes = staticNodes
}
if trustedPeers != nil {
trustedNodes, err := GetUrlListNodes(trustedPeers, TrustedPeersFlag.Name, log.Error)
if err != nil {
return nil, err
}
cfg.TrustedNodes = trustedNodes
}
natif, err := nat.Parse(natSetting)
if err != nil {
return nil, fmt.Errorf("invalid nat option %s: %w", natSetting, err)
}
cfg.NAT = natif
return cfg, nil
}
func nodeKey(keyfile string) *ecdsa.PrivateKey {
if err := os.MkdirAll(path.Dir(keyfile), 0755); err != nil {
panic(err)
}
if key, err := crypto.LoadECDSA(keyfile); err == nil {
return key
}
// No persistent key found, generate and store a new one.
key, err := crypto.GenerateKey()
if err != nil {
log.Crit(fmt.Sprintf("Failed to generate node key: %v", err))
}
if err := crypto.SaveECDSA(keyfile, key); err != nil {
log.Error(fmt.Sprintf("Failed to persist node key: %v", err))
}
return key
}
// 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))
}
if ctx.GlobalIsSet(SentryAddrFlag.Name) {
cfg.SentryAddr = SplitAndTrim(ctx.GlobalString(SentryAddrFlag.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
}
// setEtherbase retrieves the etherbase from the directly specified
// command line flags.
func setEtherbase(ctx *cli.Context, cfg *ethconfig.Config) {
var etherbase string
if ctx.GlobalIsSet(MinerEtherbaseFlag.Name) {
etherbase = ctx.GlobalString(MinerEtherbaseFlag.Name)
if etherbase != "" {
cfg.Miner.Etherbase = common.HexToAddress(etherbase)
}
}
setSigKey := func(ctx *cli.Context, cfg *ethconfig.Config) {
if ctx.GlobalIsSet(MinerSigningKeyFileFlag.Name) {
signingKeyFileName := ctx.GlobalString(MinerSigningKeyFileFlag.Name)
key, err := crypto.LoadECDSA(signingKeyFileName)
if err != nil {
panic(err)
}
cfg.Miner.SigKey = key
}
}
if ctx.GlobalString(ChainFlag.Name) == networkname.DevChainName {
if etherbase == "" {
cfg.Miner.SigKey = core.DevnetSignPrivateKey
cfg.Miner.Etherbase = core.DevnetEtherbase
}
setSigKey(ctx, cfg)
}
if ctx.GlobalString(ChainFlag.Name) == networkname.FermionChainName {
if ctx.GlobalIsSet(MiningEnabledFlag.Name) && !ctx.GlobalIsSet(MinerSigningKeyFileFlag.Name) {
panic(fmt.Sprintf("Flag --%s is required in %s chain with --%s flag", MinerSigningKeyFileFlag.Name, networkname.FermionChainName, MiningEnabledFlag.Name))
}
setSigKey(ctx, cfg)
if cfg.Miner.SigKey != nil {
cfg.Miner.Etherbase = crypto.PubkeyToAddress(cfg.Miner.SigKey.PublicKey)
}
}
}
func SetP2PConfig(ctx *cli.Context, cfg *p2p.Config, nodeName, dataDir string) {
setNodeKey(ctx, cfg, nodeName, dataDir)
setNAT(ctx, cfg)
setListenAddress(ctx, cfg)
setBootstrapNodes(ctx, cfg)
setBootstrapNodesV5(ctx, cfg)
setStaticPeers(ctx, cfg)
setTrustedPeers(ctx, cfg)
if ctx.GlobalIsSet(MaxPeersFlag.Name) {
cfg.MaxPeers = ctx.GlobalInt(MaxPeersFlag.Name)
}
if ctx.GlobalIsSet(MaxPendingPeersFlag.Name) {
cfg.MaxPendingPeers = ctx.GlobalInt(MaxPendingPeersFlag.Name)
}
if ctx.GlobalIsSet(NoDiscoverFlag.Name) {
cfg.NoDiscovery = true
}
if ctx.GlobalIsSet(DiscoveryV5Flag.Name) {
cfg.DiscoveryV5 = ctx.GlobalBool(DiscoveryV5Flag.Name)
}
ethPeers := cfg.MaxPeers
cfg.Name = nodeName
log.Info("Maximum peer count", "ETH", ethPeers, "total", cfg.MaxPeers)
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.GlobalString(ChainFlag.Name) == networkname.DevChainName {
// --dev mode can't use p2p networking.
// cfg.MaxPeers = 0 // It can have peers otherwise local sync is not possible
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) {
setDataDir(ctx, cfg)
setNodeUserIdent(ctx, cfg)
SetP2PConfig(ctx, &cfg.P2P, cfg.NodeName(), cfg.DataDir)
cfg.DownloaderAddr = strings.TrimSpace(ctx.GlobalString(DownloaderAddrFlag.Name))
}
func SetNodeConfigCobra(cmd *cobra.Command, cfg *node.Config) {
flags := cmd.Flags()
//SetP2PConfig(ctx, &cfg.P2P)
setNodeUserIdentCobra(flags, cfg)
setDataDirCobra(flags, cfg)
}
func DataDirForNetwork(datadir string, network string) string {
if datadir != paths.DefaultDataDir() {
return datadir
}
switch network {
case networkname.DevChainName:
return "" // unless explicitly requested, use memory databases
case networkname.RinkebyChainName:
return filepath.Join(datadir, "rinkeby")
case networkname.GoerliChainName:
filepath.Join(datadir, "goerli")
case networkname.SokolChainName:
return filepath.Join(datadir, "sokol")
case networkname.KovanChainName:
return filepath.Join(datadir, "kovan")
case networkname.FermionChainName:
return filepath.Join(datadir, "fermion")
default:
return datadir
}
return datadir
}
func setDataDir(ctx *cli.Context, cfg *node.Config) {
if ctx.GlobalIsSet(DataDirFlag.Name) {
cfg.DataDir = ctx.GlobalString(DataDirFlag.Name)
} else {
cfg.DataDir = DataDirForNetwork(cfg.DataDir, ctx.GlobalString(ChainFlag.Name))
}
if ctx.GlobalIsSet(MdbxAugmentLimitFlag.Name) {
cfg.MdbxAugumentLimit = ctx.GlobalUint64(MdbxAugmentLimitFlag.Name)
}
}
func setDataDirCobra(f *pflag.FlagSet, cfg *node.Config) {
dirname, err := f.GetString(DataDirFlag.Name)
if err != nil {
panic(err)
}
chain, err := f.GetString(ChainFlag.Name)
if err != nil {
panic(err)
}
if dirname != "" {
cfg.DataDir = dirname
} else {
cfg.DataDir = DataDirForNetwork(cfg.DataDir, chain)
}
cfg.DataDir = DataDirForNetwork(cfg.DataDir, chain)
}
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)
}
if ctx.GlobalIsSet(GpoMaxGasPriceFlag.Name) {
cfg.MaxPrice = big.NewInt(ctx.GlobalInt64(GpoMaxGasPriceFlag.Name))
}
}
//nolint
func setGPOCobra(f *pflag.FlagSet, cfg *gasprice.Config) {
if v := f.Int(GpoBlocksFlag.Name, GpoBlocksFlag.Value, GpoBlocksFlag.Usage); v != nil {
cfg.Blocks = *v
}
if v := f.Int(GpoPercentileFlag.Name, GpoPercentileFlag.Value, GpoPercentileFlag.Usage); v != nil {
cfg.Percentile = *v
}
if v := f.Int64(GpoMaxGasPriceFlag.Name, GpoMaxGasPriceFlag.Value, GpoMaxGasPriceFlag.Usage); v != nil {
cfg.MaxPrice = big.NewInt(*v)
}
}
func setTxPool(ctx *cli.Context, cfg *core.TxPoolConfig) {
if ctx.GlobalIsSet(TxPoolDisableFlag.Name) {