utils

package
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Published: Jul 30, 2019 License: Apache-2.0 Imports: 12 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	// General settings
	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",
	}

	// ATM the url is left to the user and deployment to
	JSpathFlag = cli.StringFlag{
		Name:  "jspath",
		Usage: "JavaScript root path for `loadScript`",
		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",
	}
)

Functions

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 MakeConsolePreloads

func MakeConsolePreloads(ctx *cli.Context) []string

MakeConsolePreloads retrieves the absolute paths for the console JavaScript scripts to preload before starting.

func MakeDataDir

func MakeDataDir(ctx *cli.Context) string

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 MigrateFlags

func MigrateFlags(action func(ctx *cli.Context) error) func(*cli.Context) error

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 NewApp

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

NewApp creates an app with sane defaults.

Types

type DirectoryFlag

type DirectoryFlag struct {
	Name  string
	Value DirectoryString
	Usage string
}

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

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) GetName

func (self DirectoryFlag) GetName() 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

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