utils

package
v0.0.0-...-7207b0b Latest Latest
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 Go to latest Published: Apr 22, 2018 License: GPL-3.0 Imports: 38 Imported by: 0

Documentation

Index

Constants

View Source 
const DefaultPrompt = "> "

DefaultPrompt is the default prompt line prefix to use for user input querying.

View Source 
const HistoryFile = "history"

HistoryFile is the file within the data directory to store input scrollback.

Variables

View Source 
var (
	// General settings
	DataDirFlag = DirectoryFlag{
		Name:  "datadir",
		Usage: "Data directory for the databases and keystore",
		Value: DirectoryString{node.DefaultDataDir()},
	}
	KeyStoreDirFlag = DirectoryFlag{
		Name:  "keystore",
		Usage: "Directory for the keystore (default = inside the datadir)",
	}
	NetworkIdFlag = cli.Uint64Flag{
		Name:  "networkid",
		Usage: "Network identifier (integer, 1=Main net)",
		Value: dac.DefaultConfig.NetworkId,
	}
	IdentityFlag = cli.StringFlag{
		Name:  "identity",
		Usage: "Custom node name",
	}
	// Transaction pool settings
	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: dac.DefaultConfig.TxPool.PriceLimit,
	}
	TxPoolPriceBumpFlag = cli.Uint64Flag{
		Name:  "txpool.pricebump",
		Usage: "Price bump percentage to replace an already existing transaction",
		Value: dac.DefaultConfig.TxPool.PriceBump,
	}
	TxPoolAccountSlotsFlag = cli.Uint64Flag{
		Name:  "txpool.accountslots",
		Usage: "Minimum number of executable transaction slots guaranteed per account",
		Value: dac.DefaultConfig.TxPool.AccountSlots,
	}
	TxPoolGlobalSlotsFlag = cli.Uint64Flag{
		Name:  "txpool.globalslots",
		Usage: "Maximum number of executable transaction slots for all accounts",
		Value: dac.DefaultConfig.TxPool.GlobalSlots,
	}
	TxPoolAccountQueueFlag = cli.Uint64Flag{
		Name:  "txpool.accountqueue",
		Usage: "Maximum number of non-executable transaction slots permitted per account",
		Value: dac.DefaultConfig.TxPool.AccountQueue,
	}
	TxPoolGlobalQueueFlag = cli.Uint64Flag{
		Name:  "txpool.globalqueue",
		Usage: "Maximum number of non-executable transaction slots for all accounts",
		Value: dac.DefaultConfig.TxPool.GlobalQueue,
	}
	TxPoolLifetimeFlag = cli.DurationFlag{
		Name:  "txpool.lifetime",
		Usage: "Maximum amount of time non-executable transaction are queued",
		Value: dac.DefaultConfig.TxPool.Lifetime,
	}
	// Performance tuning settings
	CacheFlag = cli.IntFlag{
		Name:  "cache",
		Usage: "Megabytes of memory allocated to internal caching (min 16MB / database forced)",
		Value: 128,
	}
	TrieCacheGenFlag = cli.IntFlag{
		Name:  "trie-cache-gens",
		Usage: "Number of trie node generations to keep in memory",
		Value: int(state.MaxTrieCacheGen),
	}
	// Miner settings
	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(),
	}
	TargetGasLimitFlag = cli.Uint64Flag{
		Name:  "targetgaslimit",
		Usage: "Target gas limit sets the artificial target gas floor for the blocks to mine",
		Value: params.GenesisGasLimit,
	}

	GasPriceFlag = BigFlag{
		Name:  "gasprice",
		Usage: "Minimal gas price to accept for mining a transactions",
		Value: dac.DefaultConfig.GasPrice,
	}
	ExtraDataFlag = cli.StringFlag{
		Name:  "extradata",
		Usage: "Block extra data set by the miner (default = client version)",
	}
	// 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: "",
	}

	VMEnableDebugFlag = cli.BoolFlag{
		Name:  "vmdebug",
		Usage: "Record information useful for VM and contract debugging",
	}
	NoCompactionFlag = cli.BoolFlag{
		Name:  "nocompaction",
		Usage: "Disables db compaction after import",
	}
	// 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: node.DefaultHTTPHost,
	}
	RPCPortFlag = cli.IntFlag{
		Name:  "rpcport",
		Usage: "HTTP-RPC server listening port",
		Value: node.DefaultHTTPPort,
	}
	RPCCORSDomainFlag = cli.StringFlag{
		Name:  "rpccorsdomain",
		Usage: "Comma separated list of 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: "",
	}
	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)",
	}
	WSEnabledFlag = cli.BoolFlag{
		Name:  "ws",
		Usage: "Enable the WS-RPC server",
	}
	WSListenAddrFlag = cli.StringFlag{
		Name:  "wsaddr",
		Usage: "WS-RPC server listening interface",
		Value: node.DefaultWSHost,
	}
	WSPortFlag = cli.IntFlag{
		Name:  "wsport",
		Usage: "WS-RPC server listening port",
		Value: node.DefaultWSPort,
	}
	WSApiFlag = cli.StringFlag{
		Name:  "wsapi",
		Usage: "API's offered over the WS-RPC interface",
		Value: "",
	}
	WSAllowedOriginsFlag = cli.StringFlag{
		Name:  "wsorigins",
		Usage: "Origins from which to accept websockets requests",
		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",
	}

	// 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: "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)",
	}
	NetrestrictFlag = cli.StringFlag{
		Name:  "netrestrict",
		Usage: "Restricts network communication to the given IP networks (CIDR masks)",
	}

	// dac 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:  "gpoblocks",
		Usage: "Number of recent blocks to check for gas prices",
		Value: dac.DefaultConfig.GPO.Blocks,
	}
	GpoPercentileFlag = cli.IntFlag{
		Name:  "gpopercentile",
		Usage: "Suggested gas price is the given percentile of a set of recent transaction gas prices",
		Value: dac.DefaultConfig.GPO.Percentile,
	}
)
View Source 
var Flags = []cli.Flag{
	verbosityFlag,
}

Flags holds all command-line flags required for debugging.

View Source 
var Stdin = newTerminalPrompter()

Stdin holds the stdin line reader (also using stdout for printing prompts). Only this reader may be used for input because it keeps an internal buffer.

Functions

func AbsolutePath 

func AbsolutePath(Datadir string, filename string) string

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 GlobalBig 

func GlobalBig(ctx *cli.Context, name string) *big.Int

GlobalBig returns the value of a BigFlag from the global flag set.

func IsTty 

func IsTty(fd uintptr) bool

IsTty returns true if the given file descriptor is a terminal.

func MakeAddress 

func MakeAddress(ks *keystore.KeyStore, account string) (accounts.Account, error)

MakeAddress converts an account specified directly as a hex encoded string or a key index in the key store to an internal account representation.

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 MakePasswordList 

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

MakePasswordList reads password lines from the file specified by the global --password flag.

func NewApp 

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

NewApp creates an app with sane defaults.

func RegisterdacService 

func RegisterdacService(stack *node.Node, cfg *dac.Config)

RegisterdacService adds an dacChain client to the stack.

func SetNodeConfig 

func SetNodeConfig(ctx *cli.Context, cfg *node.Config)

SetNodeConfig applies node-related command line flags to the config.

func SetP2PConfig 

func SetP2PConfig(ctx *cli.Context, cfg *p2p.Config)

func SetdacConfig 

func SetdacConfig(ctx *cli.Context, stack *node.Node, cfg *dac.Config)

func Setup 

func Setup(ctx *cli.Context) error

Setup initializes profiling and logging based on the CLI flags. It should be called as early as possible in the program.

Types

type BigFlag 

type BigFlag struct {
	Name  string
	Value *big.Int
	Usage string
}

BigFlag is a command line flag that accepts 256 bit big integers in decimal or hexadecimal syntax.

func (BigFlag) Apply 

func (f BigFlag) Apply(set *flag.FlagSet)

func (BigFlag) GetName 

func (f BigFlag) GetName() string

func (BigFlag) String 

func (f BigFlag) String() string

type Config 

type Config struct {
	DataDir  string       // Data directory to store the console history at
	DocRoot  string       // Filesystem path from where to load JavaScript files from
	Client   *rpc.Client  // RPC client to execute dacChain requests through
	Prompt   string       // Input prompt prefix string (defaults to DefaultPrompt)
	Prompter UserPrompter // Input prompter to allow interactive user feedback (defaults to TerminalPrompter)
	Printer  io.Writer    // Output writer to serialize any display strings to (defaults to os.Stdout)
	Preload  []string     // Absolute paths to JavaScript files to preload
}

Config is the collection of configurations to fine tune the behavior of the JavaScript console.

type Console 

type Console struct {
	// contains filtered or unexported fields
}

Console is a JavaScript interpreted runtime environment. It is a fully fleged JavaScript console attached to a running node via an external or in-process RPC client.

func New 

func New(config Config) (*Console, error)

func (*Console) AutoCompleteInput 

func (c *Console) AutoCompleteInput(line string, pos int) (string, []string, string)

AutoCompleteInput is a pre-assembled word completer to be used by the user input prompter to provide hints to the user about the methods available.

func (*Console) Evaluate 

func (c *Console) Evaluate(statement string) error

Evaluate executes code and pretty prints the result to the specified output stream.

func (*Console) Execute 

func (c *Console) Execute(path string) error

Execute runs the JavaScript file specified as the argument.

func (*Console) Interactive 

func (c *Console) Interactive()

Interactive starts an interactive user session, where input is propted from the configured user prompter.

func (*Console) Stop 

func (c *Console) Stop(graceful bool) error

Stop cleans up the console and terminates the runtime environment.

func (*Console) Welcome 

func (c *Console) Welcome()

Welcome show summary of current Geth instance and some metadata about the console's available modules.

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. ~/.dacchain -> /home/username/.dacchain

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) 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

type Termios 

type Termios syscall.Termios

type UserPrompter 

type UserPrompter interface {
	// PromptInput displays the given prompt to the user and requests some textual
	// data to be entered, returning the input of the user.
	PromptInput(prompt string) (string, error)

	// PromptPassword displays the given prompt to the user and requests some textual
	// data to be entered, but one which must not be echoed out into the terminal.
	// The method returns the input provided by the user.
	PromptPassword(prompt string) (string, error)

	// PromptConfirm displays the given prompt to the user and requests a boolean
	// choice to be made, returning that choice.
	PromptConfirm(prompt string) (bool, error)

	// SetHistory sets the the input scrollback history that the prompter will allow
	// the user to scroll back to.
	SetHistory(history []string)

	// AppendHistory appends an entry to the scrollback history. It should be called
	// if and only if the prompt to append was a valid command.
	AppendHistory(command string)

	// ClearHistory clears the entire history
	ClearHistory()

	// SetWordCompleter sets the completion function that the prompter will call to
	// fetch completion candidates when the user presses tab.
	SetWordCompleter(completer WordCompleter)
}

UserPrompter defines the methods needed by the console to promt the user for various types of inputs.

type WordCompleter 

type WordCompleter func(line string, pos int) (string, []string, string)

WordCompleter takes the currently edited line with the cursor position and returns the completion candidates for the partial word to be completed. If the line is "Hello, wo!!!" and the cursor is before the first '!', ("Hello, wo!!!", 9) is passed to the completer which may returns ("Hello, ", {"world", "Word"}, "!!!") to have "Hello, world!!!".

Source Files

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Directories

Path Synopsis
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