utils

package
v1.3.4 Latest Latest
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 Go to latest Published: Feb 29, 2016 License: GPL-3.0 Imports: 43 Imported by: 0

Documentation

Overview

Package utils contains internal helper functions for go-ethereum commands.

Index

Constants

This section is empty.

Variables

View Source 
var (
	// General settings
	DataDirFlag = DirectoryFlag{
		Name:  "datadir",
		Usage: "Data directory for the databases and keystore",
		Value: DirectoryString{common.DefaultDataDir()},
	}
	NetworkIdFlag = cli.IntFlag{
		Name:  "networkid",
		Usage: "Network identifier (integer, 0=Olympic, 1=Frontier, 2=Morden)",
		Value: eth.NetworkId,
	}
	OlympicFlag = cli.BoolFlag{
		Name:  "olympic",
		Usage: "Olympic network: pre-configured pre-release test network",
	}
	TestNetFlag = cli.BoolFlag{
		Name:  "testnet",
		Usage: "Morden network: pre-configured test network with modified starting nonces (replay protection)",
	}
	DevModeFlag = cli.BoolFlag{
		Name:  "dev",
		Usage: "Developer mode: pre-configured private network with several debugging flags",
	}
	GenesisFileFlag = cli.StringFlag{
		Name:  "genesis",
		Usage: "Insert/overwrite the genesis block (JSON format)",
	}
	IdentityFlag = cli.StringFlag{
		Name:  "identity",
		Usage: "Custom node name",
	}
	NatspecEnabledFlag = cli.BoolFlag{
		Name:  "natspec",
		Usage: "Enable NatSpec confirmation notice",
	}
	DocRootFlag = DirectoryFlag{
		Name:  "docroot",
		Usage: "Document Root for HTTPClient file scheme",
		Value: DirectoryString{common.HomeDir()},
	}
	CacheFlag = cli.IntFlag{
		Name:  "cache",
		Usage: "Megabytes of memory allocated to internal caching (min 16MB / database forced)",
		Value: 0,
	}
	BlockchainVersionFlag = cli.IntFlag{
		Name:  "blockchainversion",
		Usage: "Blockchain version (integer)",
		Value: core.BlockChainVersion,
	}
	FastSyncFlag = cli.BoolFlag{
		Name:  "fast",
		Usage: "Enable fast syncing through state downloads",
	}
	LightKDFFlag = cli.BoolFlag{
		Name:  "lightkdf",
		Usage: "Reduce key-derivation RAM & CPU usage at some expense of KDF strength",
	}
	// Miner settings
	// TODO: refactor CPU vs GPU mining flags
	MiningEnabledFlag = cli.BoolFlag{
		Name:  "mine",
		Usage: "Enable mining",
	}
	MinerThreadsFlag = cli.IntFlag{
		Name:  "minerthreads",
		Usage: "Number of CPU threads to use for mining",
		Value: runtime.NumCPU(),
	}
	MiningGPUFlag = cli.StringFlag{
		Name:  "minergpus",
		Usage: "List of GPUs to use for mining (e.g. '0,1' will use the first two GPUs found)",
	}
	AutoDAGFlag = cli.BoolFlag{
		Name:  "autodag",
		Usage: "Enable automatic DAG pregeneration",
	}
	EtherbaseFlag = cli.StringFlag{
		Name:  "etherbase",
		Usage: "Public address for block mining rewards (default = first account created)",
		Value: "0",
	}
	GasPriceFlag = cli.StringFlag{
		Name:  "gasprice",
		Usage: "Minimal gas price to accept for mining a transactions",
		Value: new(big.Int).Mul(big.NewInt(20), common.Shannon).String(),
	}
	ExtraDataFlag = cli.StringFlag{
		Name:  "extradata",
		Usage: "Block extra data set by the miner (default = client version)",
	}
	// Account settings
	UnlockedAccountFlag = cli.StringFlag{
		Name:  "unlock",
		Usage: "Unlock an account (may be creation index) until this program exits (prompts for password)",
		Value: "",
	}
	PasswordFileFlag = cli.StringFlag{
		Name:  "password",
		Usage: "Password file to use with options/subcommands needing a pass phrase",
		Value: "",
	}

	// vm flags
	VMDebugFlag = cli.BoolFlag{
		Name:  "vmdebug",
		Usage: "Virtual Machine debug output",
	}
	VMForceJitFlag = cli.BoolFlag{
		Name:  "forcejit",
		Usage: "Force the JIT VM to take precedence",
	}
	VMJitCacheFlag = cli.IntFlag{
		Name:  "jitcache",
		Usage: "Amount of cached JIT VM programs",
		Value: 64,
	}
	VMEnableJitFlag = cli.BoolFlag{
		Name:  "jitvm",
		Usage: "Enable the JIT VM",
	}

	// logging and debug settings
	VerbosityFlag = cli.IntFlag{
		Name:  "verbosity",
		Usage: "Logging verbosity: 0-6 (0=silent, 1=error, 2=warn, 3=info, 4=core, 5=debug, 6=debug detail)",
		Value: int(logger.InfoLevel),
	}
	LogFileFlag = cli.StringFlag{
		Name:  "logfile",
		Usage: "Log output file within the data dir (default = no log file generated)",
		Value: "",
	}
	LogVModuleFlag = cli.GenericFlag{
		Name:  "vmodule",
		Usage: "Per-module verbosity: comma-separated list of <module>=<level>, where <module> is file literal or a glog pattern",
		Value: glog.GetVModule(),
	}
	BacktraceAtFlag = cli.GenericFlag{
		Name:  "backtrace",
		Usage: "Request a stack trace at a specific logging statement (e.g. \"block.go:271\")",
		Value: glog.GetTraceLocation(),
	}
	PProfEanbledFlag = cli.BoolFlag{
		Name:  "pprof",
		Usage: "Enable the profiling server on localhost",
	}
	PProfPortFlag = cli.IntFlag{
		Name:  "pprofport",
		Usage: "Profile server listening port",
		Value: 6060,
	}
	MetricsEnabledFlag = cli.BoolFlag{
		Name:  metrics.MetricsEnabledFlag,
		Usage: "Enable metrics collection and reporting",
	}

	// RPC settings
	RPCEnabledFlag = cli.BoolFlag{
		Name:  "rpc",
		Usage: "Enable the HTTP-RPC server",
	}
	RPCListenAddrFlag = cli.StringFlag{
		Name:  "rpcaddr",
		Usage: "HTTP-RPC server listening interface",
		Value: "127.0.0.1",
	}
	RPCPortFlag = cli.IntFlag{
		Name:  "rpcport",
		Usage: "HTTP-RPC server listening port",
		Value: 8545,
	}
	RPCCORSDomainFlag = cli.StringFlag{
		Name:  "rpccorsdomain",
		Usage: "Domains from which to accept cross origin requests (browser enforced)",
		Value: "",
	}
	RpcApiFlag = cli.StringFlag{
		Name:  "rpcapi",
		Usage: "API's offered over the HTTP-RPC interface",
		Value: comms.DefaultHttpRpcApis,
	}
	IPCDisabledFlag = cli.BoolFlag{
		Name:  "ipcdisable",
		Usage: "Disable the IPC-RPC server",
	}
	IPCApiFlag = cli.StringFlag{
		Name:  "ipcapi",
		Usage: "API's offered over the IPC-RPC interface",
		Value: comms.DefaultIpcApis,
	}
	IPCPathFlag = DirectoryFlag{
		Name:  "ipcpath",
		Usage: "Filename for IPC socket/pipe",
		Value: DirectoryString{common.DefaultIpcPath()},
	}
	ExecFlag = cli.StringFlag{
		Name:  "exec",
		Usage: "Execute JavaScript statement (only in combination with console/attach)",
	}
	// Network Settings
	MaxPeersFlag = cli.IntFlag{
		Name:  "maxpeers",
		Usage: "Maximum number of network peers (network disabled if set to 0)",
		Value: 25,
	}
	MaxPendingPeersFlag = cli.IntFlag{
		Name:  "maxpendpeers",
		Usage: "Maximum number of pending connection attempts (defaults used if set to 0)",
		Value: 0,
	}
	ListenPortFlag = cli.IntFlag{
		Name:  "port",
		Usage: "Network listening port",
		Value: 30303,
	}
	BootnodesFlag = cli.StringFlag{
		Name:  "bootnodes",
		Usage: "Space-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)",
	}
	WhisperEnabledFlag = cli.BoolFlag{
		Name:  "shh",
		Usage: "Enable Whisper",
	}
	// ATM the url is left to the user and deployment to
	JSpathFlag = cli.StringFlag{
		Name:  "jspath",
		Usage: "JavaSript root path for `loadScript` and document root for `admin.httpGet`",
		Value: ".",
	}
	SolcPathFlag = cli.StringFlag{
		Name:  "solc",
		Usage: "Solidity compiler command to be used",
		Value: "solc",
	}

	// Gas price oracle settings
	GpoMinGasPriceFlag = cli.StringFlag{
		Name:  "gpomin",
		Usage: "Minimum suggested gas price",
		Value: new(big.Int).Mul(big.NewInt(20), common.Shannon).String(),
	}
	GpoMaxGasPriceFlag = cli.StringFlag{
		Name:  "gpomax",
		Usage: "Maximum suggested gas price",
		Value: new(big.Int).Mul(big.NewInt(500), common.Shannon).String(),
	}
	GpoFullBlockRatioFlag = cli.IntFlag{
		Name:  "gpofull",
		Usage: "Full block threshold for gas price calculation (%)",
		Value: 80,
	}
	GpobaseStepDownFlag = cli.IntFlag{
		Name:  "gpobasedown",
		Usage: "Suggested gas price base step down ratio (1/1000)",
		Value: 10,
	}
	GpobaseStepUpFlag = cli.IntFlag{
		Name:  "gpobaseup",
		Usage: "Suggested gas price base step up ratio (1/1000)",
		Value: 100,
	}
	GpobaseCorrectionFactorFlag = cli.IntFlag{
		Name:  "gpobasecf",
		Usage: "Suggested gas price base correction factor (%)",
		Value: 110,
	}
)

Functions

func ExportAppendChain 

func ExportAppendChain(blockchain *core.BlockChain, fn string, first uint64, last uint64) error

func ExportChain 

func ExportChain(blockchain *core.BlockChain, fn string) error

func Fatalf 

func Fatalf(format string, args ...interface{})

Fatalf formats a message to standard error and exits the program. The message is also printed to standard output if standard error is redirected to a different file.

func FormatTransactionData 

func FormatTransactionData(data string) []byte

func ImportChain 

func ImportChain(chain *core.BlockChain, fn string) error

func IpcSocketPath 

func IpcSocketPath(ctx *cli.Context) (ipcpath string)

func MakeAccountManager 

func MakeAccountManager(ctx *cli.Context) *accounts.Manager

MakeChain creates an account manager from set command line flags.

func MakeChain 

func MakeChain(ctx *cli.Context) (chain *core.BlockChain, chainDb ethdb.Database)

MakeChain creates a chain manager from set command line flags.

func MakeEthConfig 

func MakeEthConfig(clientID, version string, ctx *cli.Context) *eth.Config

MakeEthConfig creates ethereum options from set command line flags.

func MakeNAT 

func MakeNAT(ctx *cli.Context) nat.Interface

MakeNAT creates a port mapper from set command line flags.

func MakeNodeKey 

func MakeNodeKey(ctx *cli.Context) (key *ecdsa.PrivateKey)

MakeNodeKey creates a node key from set command line flags.

func MustDataDir added in v1.3.1 

func MustDataDir(ctx *cli.Context) string

MustDataDir retrieves the currently requested data directory, terminating if none (or the empty string) is specified.

func NewApp 

func NewApp(version, usage string) *cli.App

NewApp creates an app with sane defaults.

func ParamToAddress 

func ParamToAddress(addr string, am *accounts.Manager) (addrHex string, err error)

func PromptConfirm 

func PromptConfirm(prompt string) (bool, error)

func PromptPassword 

func PromptPassword(prompt string, warnTerm bool) (string, error)

func SetupLogger 

func SetupLogger(ctx *cli.Context)

SetupLogger configures glog from the logging-related command line flags.

func SetupNetwork added in v1.3.1 

func SetupNetwork(ctx *cli.Context)

SetupNetwork configures the system for either the main net or some test network.

func SetupVM added in v1.1.0 

func SetupVM(ctx *cli.Context)

SetupVM configured the VM package's global settings

func StartEthereum 

func StartEthereum(ethereum *eth.Ethereum)

func StartIPC 

func StartIPC(eth *eth.Ethereum, ctx *cli.Context) error

func StartPProf 

func StartPProf(ctx *cli.Context)

func StartRPC 

func StartRPC(eth *eth.Ethereum, ctx *cli.Context) error

Types

type DirectoryFlag 

type DirectoryFlag struct {
	cli.GenericFlag
	Name   string
	Value  DirectoryString
	Usage  string
	EnvVar string
}

Custom cli.Flag type which expand the received string to an absolute path. e.g. ~/.ethereum -> /home/username/.ethereum

func (DirectoryFlag) Apply 

func (self DirectoryFlag) Apply(set *flag.FlagSet)

called by cli library, grabs variable from environment (if in env) and adds variable to flag set for parsing.

func (*DirectoryFlag) Set 

func (self *DirectoryFlag) Set(value string)

func (DirectoryFlag) String 

func (self DirectoryFlag) String() string

type DirectoryString 

type DirectoryString struct {
	Value string
}

Custom type which is registered in the flags library which cli uses for argument parsing. This allows us to expand Value to an absolute path when the argument is parsed

func (*DirectoryString) Set 

func (self *DirectoryString) Set(value string) error

func (*DirectoryString) String 

func (self *DirectoryString) String() string

Source Files

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