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Published: Aug 31, 2021 License: GPL-3.0 Imports: 15 Imported by: 65



Package cmd defines the command line flags for the shared utlities.

Package mock_cmd is a generated GoMock package.



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var (
	// MinimalConfigFlag declares to use the minimal config for running Ethereum consensus.
	MinimalConfigFlag = &cli.BoolFlag{
		Name:  "minimal-config",
		Usage: "Use minimal config with parameters as defined in the spec.",
	// E2EConfigFlag declares to use a testing specific config for running Ethereum consensus in end-to-end testing.
	E2EConfigFlag = &cli.BoolFlag{
		Name:  "e2e-config",
		Usage: "Use the E2E testing config, only for use within end-to-end testing.",
	// RPCMaxPageSizeFlag defines the maximum numbers per page returned in RPC responses from this
	// beacon node (default: 500).
	RPCMaxPageSizeFlag = &cli.IntFlag{
		Name:  "rpc-max-page-size",
		Usage: "Max number of items returned per page in RPC responses for paginated endpoints.",
	// VerbosityFlag defines the logrus configuration.
	VerbosityFlag = &cli.StringFlag{
		Name:  "verbosity",
		Usage: "Logging verbosity (trace, debug, info=default, warn, error, fatal, panic)",
		Value: "info",
	// DataDirFlag defines a path on disk.
	DataDirFlag = &cli.StringFlag{
		Name:  "datadir",
		Usage: "Data directory for the databases and keystore",
		Value: DefaultDataDir(),
	// EnableBackupWebhookFlag for users to trigger db backups via an HTTP webhook.
	EnableBackupWebhookFlag = &cli.BoolFlag{
		Name:  "enable-db-backup-webhook",
		Usage: "Serve HTTP handler to initiate database backups. The handler is served on the monitoring port at path /db/backup.",
	// BackupWebhookOutputDir to customize the output directory for db backups.
	BackupWebhookOutputDir = &cli.StringFlag{
		Name:  "db-backup-output-dir",
		Usage: "Output directory for db backups",
	// EnableTracingFlag defines a flag to enable p2p message tracing.
	EnableTracingFlag = &cli.BoolFlag{
		Name:  "enable-tracing",
		Usage: "Enable request tracing.",
	// TracingProcessNameFlag defines a flag to specify a process name.
	TracingProcessNameFlag = &cli.StringFlag{
		Name:  "tracing-process-name",
		Usage: "The name to apply to tracing tag \"process_name\"",
	// TracingEndpointFlag flag defines the http endpoint for serving traces to Jaeger.
	TracingEndpointFlag = &cli.StringFlag{
		Name:  "tracing-endpoint",
		Usage: "Tracing endpoint defines where beacon chain traces are exposed to Jaeger.",
		Value: "",
	// TraceSampleFractionFlag defines a flag to indicate what fraction of p2p
	// messages are sampled for tracing.
	TraceSampleFractionFlag = &cli.Float64Flag{
		Name:  "trace-sample-fraction",
		Usage: "Indicate what fraction of p2p messages are sampled for tracing.",
		Value: 0.20,
	// MonitoringHostFlag defines the host used to serve prometheus metrics.
	MonitoringHostFlag = &cli.StringFlag{
		Name:  "monitoring-host",
		Usage: "Host used for listening and responding metrics for prometheus.",
		Value: "",
	// DisableMonitoringFlag defines a flag to disable the metrics collection.
	DisableMonitoringFlag = &cli.BoolFlag{
		Name:  "disable-monitoring",
		Usage: "Disable monitoring service.",
	// NoDiscovery specifies whether we are running a local network and have no need for connecting
	// to the bootstrap nodes in the cloud
	NoDiscovery = &cli.BoolFlag{
		Name:  "no-discovery",
		Usage: "Enable only local network p2p and do not connect to cloud bootstrap nodes.",
	// StaticPeers specifies a set of peers to connect to explicitly.
	StaticPeers = &cli.StringSliceFlag{
		Name:  "peer",
		Usage: "Connect with this peer. This flag may be used multiple times.",
	// BootstrapNode tells the beacon node which bootstrap node to connect to
	BootstrapNode = &cli.StringSliceFlag{
		Name:  "bootstrap-node",
		Usage: "The address of bootstrap node. Beacon node will connect for peer discovery via DHT.  Multiple nodes can be passed by using the flag multiple times but not comma-separated. You can also pass YAML files containing multiple nodes.",
		Value: cli.NewStringSlice(params.BeaconNetworkConfig().BootstrapNodes...),
	// RelayNode tells the beacon node which relay node to connect to.
	RelayNode = &cli.StringFlag{
		Name: "relay-node",
		Usage: "The address of relay node. The beacon node will connect to the " +
			"relay node and advertise their address via the relay node to other peers",
		Value: "",
	// P2PUDPPort defines the port to be used by discv5.
	P2PUDPPort = &cli.IntFlag{
		Name:  "p2p-udp-port",
		Usage: "The port used by discv5.",
		Value: 12000,
	// P2PTCPPort defines the port to be used by libp2p.
	P2PTCPPort = &cli.IntFlag{
		Name:  "p2p-tcp-port",
		Usage: "The port used by libp2p.",
		Value: 13000,
	// P2PIP defines the local IP to be used by libp2p.
	P2PIP = &cli.StringFlag{
		Name:  "p2p-local-ip",
		Usage: "The local ip address to listen for incoming data.",
		Value: "",
	// P2PHost defines the host IP to be used by libp2p.
	P2PHost = &cli.StringFlag{
		Name:  "p2p-host-ip",
		Usage: "The IP address advertised by libp2p. This may be used to advertise an external IP.",
		Value: "",
	// P2PHostDNS defines the host DNS to be used by libp2p.
	P2PHostDNS = &cli.StringFlag{
		Name:  "p2p-host-dns",
		Usage: "The DNS address advertised by libp2p. This may be used to advertise an external DNS.",
		Value: "",
	// P2PPrivKey defines a flag to specify the location of the private key file for libp2p.
	P2PPrivKey = &cli.StringFlag{
		Name:  "p2p-priv-key",
		Usage: "The file containing the private key to use in communications with other peers.",
		Value: "",
	// P2PMetadata defines a flag to specify the location of the peer metadata file.
	P2PMetadata = &cli.StringFlag{
		Name:  "p2p-metadata",
		Usage: "The file containing the metadata to communicate with other peers.",
		Value: "",
	// P2PMaxPeers defines a flag to specify the max number of peers in libp2p.
	P2PMaxPeers = &cli.IntFlag{
		Name:  "p2p-max-peers",
		Usage: "The max number of p2p peers to maintain.",
		Value: 45,
	// P2PAllowList defines a CIDR subnet to exclusively allow connections.
	P2PAllowList = &cli.StringFlag{
		Name: "p2p-allowlist",
		Usage: "The CIDR subnet for allowing only certain peer connections. " +
			"Using \"public\" would allow only public subnets. Example: " +
			" would permit connections to peers on your local network only. The " +
			"default is to accept all connections.",
	// P2PDenyList defines a list of CIDR subnets to disallow connections from them.
	P2PDenyList = &cli.StringSliceFlag{
		Name: "p2p-denylist",
		Usage: "The CIDR subnets for denying certainy peer connections. " +
			"Using \"private\" would deny all private subnets. Example: " +
			" would deny connections from peers on your local network only. The " +
			"default is to accept all connections.",
	// ForceClearDB removes any previously stored data at the data directory.
	ForceClearDB = &cli.BoolFlag{
		Name:  "force-clear-db",
		Usage: "Clear any previously stored data at the data directory",
	// ClearDB prompts user to see if they want to remove any previously stored data at the data directory.
	ClearDB = &cli.BoolFlag{
		Name:  "clear-db",
		Usage: "Prompt for clearing any previously stored data at the data directory",
	// LogFormat specifies the log output format.
	LogFormat = &cli.StringFlag{
		Name:  "log-format",
		Usage: "Specify log formatting. Supports: text, json, fluentd, journald.",
		Value: "text",
	// MaxGoroutines specifies the maximum amount of goroutines tolerated, before a status check fails.
	MaxGoroutines = &cli.IntFlag{
		Name:  "max-goroutines",
		Usage: "Specifies the upper limit of goroutines running before a status check fails",
		Value: 5000,
	// LogFileName specifies the log output file name.
	LogFileName = &cli.StringFlag{
		Name:  "log-file",
		Usage: "Specify log file name, relative or absolute",
	// EnableUPnPFlag specifies if UPnP should be enabled or not. The default value is false.
	EnableUPnPFlag = &cli.BoolFlag{
		Name:  "enable-upnp",
		Usage: "Enable the service (Beacon chain or Validator) to use UPnP when possible.",
	// ConfigFileFlag specifies the filepath to load flag values.
	ConfigFileFlag = &cli.StringFlag{
		Name:  "config-file",
		Usage: "The filepath to a yaml file with flag values",
	// ChainConfigFileFlag specifies the filepath to load flag values.
	ChainConfigFileFlag = &cli.StringFlag{
		Name:  "chain-config-file",
		Usage: "The path to a YAML file with chain config values",
	// GrpcMaxCallRecvMsgSizeFlag defines the max call message size for GRPC
	GrpcMaxCallRecvMsgSizeFlag = &cli.IntFlag{
		Name:  "grpc-max-msg-size",
		Usage: "Integer to define max recieve message call size (default: 4194304 (for 4MB))",
		Value: 1 << 22,
	// AcceptTosFlag specifies user acceptance of ToS for non-interactive environments.
	AcceptTosFlag = &cli.BoolFlag{
		Name:  "accept-terms-of-use",
		Usage: "Accept Terms and Conditions (for non-interactive environments)",
	// RestoreSourceFileFlag specifies the filepath to the backed-up database file
	// which will be used to restore the database.
	RestoreSourceFileFlag = &cli.StringFlag{
		Name:  "restore-source-file",
		Usage: "Filepath to the backed-up database file which will be used to restore the database",
	// RestoreTargetDirFlag specifies the target directory of the restored database.
	RestoreTargetDirFlag = &cli.StringFlag{
		Name:  "restore-target-dir",
		Usage: "Target directory of the restored database",
		Value: DefaultDataDir(),
	// BoltMMapInitialSizeFlag specifies the initial size in bytes of boltdb's mmap syscall.
	BoltMMapInitialSizeFlag = &cli.IntFlag{
		Name:  "bolt-mmap-initial-size",
		Usage: "Specifies the size in bytes of bolt db's mmap syscall allocation",
		Value: 536870912,


func ConfigureBeaconChain added in v1.0.0

func ConfigureBeaconChain(ctx *cli.Context)

ConfigureBeaconChain sets the global config based on what flags are enabled for the beacon-chain client.

func ConfigureSlasher added in v1.0.0

func ConfigureSlasher(ctx *cli.Context)

ConfigureSlasher sets the global config based on what flags are enabled for the slasher client.

func ConfigureValidator added in v1.0.0

func ConfigureValidator(ctx *cli.Context)

ConfigureValidator sets the global config based on what flags are enabled for the validator client.

func ConfirmAction added in v0.3.0

func ConfirmAction(actionText, deniedText string) (bool, error)

ConfirmAction uses the passed in actionText as the confirmation text displayed in the terminal. The user must enter Y or N to indicate whether they confirm the action detailed in the warning text. Returns a boolean representing the user's answer.

func DefaultDataDir

func DefaultDataDir() string

DefaultDataDir is the default data directory to use for the databases and other persistence requirements.

func EnterPassword added in v1.0.0

func EnterPassword(confirmPassword bool, pr PasswordReader) (string, error)

EnterPassword queries the user for their password through the terminal, in order to make sure it is not passed in a visible way to the terminal.

func ExpandSingleEndpointIfFile added in v1.0.5

func ExpandSingleEndpointIfFile(ctx *cli.Context, flag *cli.StringFlag) error

ExpandSingleEndpointIfFile expands the path for --http-web3provider if specified as a file.

func ExpandWeb3EndpointsIfFile added in v1.0.5

func ExpandWeb3EndpointsIfFile(ctx *cli.Context, flags *cli.StringSliceFlag) error

ExpandWeb3EndpointsIfFile expands the path for --fallback-web3provider if specified as a file.

func FixDefaultDataDir added in v1.1.0

func FixDefaultDataDir(prevDataDir, curDataDir string) error

FixDefaultDataDir checks if previous data directory is found and can be migrated to a new path. This is used to resolve issue with weak default path (for Windows users) in existing installations. For full details see:

func Init added in v1.0.0

func Init(c *Flags)

Init sets the global config equal to the config that is passed in.

func InitWithReset added in v1.0.0

func InitWithReset(c *Flags) func()

InitWithReset sets the global config and returns function that is used to reset configuration.

func LoadFlagsFromConfig added in v1.0.0

func LoadFlagsFromConfig(cliCtx *cli.Context, flags []cli.Flag) error

LoadFlagsFromConfig sets flags values from config file if ConfigFileFlag is set.

func ValidateNoArgs added in v1.4.1

func ValidateNoArgs(ctx *cli.Context) error

ValidateNoArgs insures that the application is not run with erroneous arguments or flags. This function should be used in the app.Before, whenever the application supports a default command.

func WrapFlags added in v0.3.7

func WrapFlags(flags []cli.Flag) []cli.Flag

WrapFlags so that they can be loaded from alternative sources.


type Flags added in v1.0.0

type Flags struct {
	// Configuration related flags.
	MinimalConfig  bool // MinimalConfig as defined in the spec.
	E2EConfig      bool // E2EConfig made specifically for testing, do not use except in E2E.
	MaxRPCPageSize int  // MaxRPCPageSize is used for a cap of page sizes in RPC requests.

Flags is a struct to represent which features the client will perform on runtime.

func Get added in v1.0.0

func Get() *Flags

Get retrieves feature config.

type MockPasswordReader added in v1.0.0

type MockPasswordReader struct {
	// contains filtered or unexported fields

MockPasswordReader is a mock of PasswordReader interface

func NewMockPasswordReader added in v1.0.0

func NewMockPasswordReader(ctrl *gomock.Controller) *MockPasswordReader

NewMockPasswordReader creates a new mock instance

func (*MockPasswordReader) EXPECT added in v1.0.0

EXPECT returns an object that allows the caller to indicate expected use

func (*MockPasswordReader) ReadPassword added in v1.0.0

func (m *MockPasswordReader) ReadPassword() (string, error)

ReadPassword mocks base method

type MockPasswordReaderMockRecorder added in v1.0.0

type MockPasswordReaderMockRecorder struct {
	// contains filtered or unexported fields

MockPasswordReaderMockRecorder is the mock recorder for MockPasswordReader

func (*MockPasswordReaderMockRecorder) ReadPassword added in v1.0.0

func (mr *MockPasswordReaderMockRecorder) ReadPassword() *gomock.Call

ReadPassword indicates an expected call of ReadPassword

type PasswordReader added in v1.0.0

type PasswordReader interface {
	ReadPassword() (string, error)

PasswordReader reads a password from a mock or stdin.

type StdInPasswordReader added in v1.0.0

type StdInPasswordReader struct {

StdInPasswordReader reads a password from stdin.

func (StdInPasswordReader) ReadPassword added in v1.0.0

func (pr StdInPasswordReader) ReadPassword() (string, error)

ReadPassword reads a password from stdin.

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