utils

package
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 Go to latest Published: Jul 4, 2017 License: GPL-3.0 Imports: 46 Imported by: 0

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Overview

Package utils contains internal helper functions for daxxcorecommands.

Package utils contains internal helper functions for daxxcorecommands.

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{node.DefaultDataDir()},
	}
	KeyStoreDirFlag = DirectoryFlag{
		Name:  "keystore",
		Usage: "Directory for the keystore (default = inside the datadir)",
	}
	NetworkIdFlag = cli.IntFlag{
		Name:  "networkid",
		Usage: "Network identifier (integer, 1=Frontier, 2=Morden (disused), 3=Ropsten)",
		Value: eth.NetworkId,
	}
	TestNetFlag = cli.BoolFlag{
		Name:  "testnet",
		Usage: "Ropsten network: pre-configured test network",
	}
	DevModeFlag = cli.BoolFlag{
		Name:  "dev",
		Usage: "Developer mode: pre-configured private network with several debugging flags",
	}
	IdentityFlag = cli.StringFlag{
		Name:  "identity",
		Usage: "Custom node name",
	}
	DocRootFlag = DirectoryFlag{
		Name:  "docroot",
		Usage: "Document Root for HTTPClient file scheme",
		Value: DirectoryString{homeDir()},
	}
	FastSyncFlag = cli.BoolFlag{
		Name:  "fast",
		Usage: "Enable fast syncing through state downloads",
	}
	LightModeFlag = cli.BoolFlag{
		Name:  "light",
		Usage: "Enable light client mode",
	}
	LightServFlag = cli.IntFlag{
		Name:  "lightserv",
		Usage: "Maximum percentage of time allowed for serving LES requests (0-90)",
		Value: 0,
	}
	LightPeersFlag = cli.IntFlag{
		Name:  "lightpeers",
		Usage: "Maximum number of LES client peers",
		Value: 20,
	}
	LightKDFFlag = cli.BoolFlag{
		Name:  "lightkdf",
		Usage: "Reduce key-derivation RAM & CPU usage at some expense of KDF strength",
	}
	// 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.StringFlag{
		Name:  "targetgaslimit",
		Usage: "Target gas limit sets the artificial target gas floor for the blocks to mine",
		Value: params.GenesisGasLimit.String(),
	}
	AutoDAGFlag = cli.BoolFlag{
		Name:  "autodag",
		Usage: "Enable automatic DAG pregeneration",
	}
	DaxxcoinbaseFlag = cli.StringFlag{
		Name:  "daxxcoinbase",
		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: "Comma separated list of accounts to unlock",
		Value: "",
	}
	PasswordFileFlag = cli.StringFlag{
		Name:  "password",
		Usage: "Password file to use for non-inteactive password input",
		Value: "",
	}

	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",
	}
	VMEnableDebugFlag = cli.BoolFlag{
		Name:  "vmdebug",
		Usage: "Record information useful for VM and contract debugging",
	}
	// Logging and debug settings
	EthStatsURLFlag = cli.StringFlag{
		Name:  "ethstats",
		Usage: "Reporting URL of a ethstats service (nodename:secret@host:port)",
	}
	MetricsEnabledFlag = cli.BoolFlag{
		Name:  metrics.MetricsEnabledFlag,
		Usage: "Enable metrics collection and reporting",
	}
	FakePoWFlag = cli.BoolFlag{
		Name:  "fakepow",
		Usage: "Disables proof-of-work verification",
	}

	// 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: rpc.DefaultHTTPApis,
	}
	IPCDisabledFlag = cli.BoolFlag{
		Name:  "ipcdisable",
		Usage: "Disable the IPC-RPC server",
	}
	IPCApiFlag = cli.StringFlag{
		Name:  "ipcapi",
		Usage: "APIs offered over the IPC-RPC interface",
		Value: rpc.DefaultIPCApis,
	}
	IPCPathFlag = DirectoryFlag{
		Name:  "ipcpath",
		Usage: "Filename for IPC socket/pipe within the datadir (explicit paths escape it)",
		Value: DirectoryString{"geth.ipc"},
	}
	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: rpc.DefaultHTTPApis,
	}
	WSAllowedOriginsFlag = cli.StringFlag{
		Name:  "wsorigins",
		Usage: "Origins from which to accept websockets requests",
		Value: "",
	}
	ExecFlag = cli.StringFlag{
		Name:  "exec",
		Usage: "Execute JavaScript statement (only in combination with console/attach)",
	}
	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)",
	}
	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)",
	}

	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: "JavaScript root path for `loadScript`",
		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 ChainDbName 

func ChainDbName(ctx *cli.Context) string

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 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 MakeBootstrapNodes 

func MakeBootstrapNodes(ctx *cli.Context) []*discover.Node

MakeBootstrapNodes creates a list of bootstrap nodes from the command line flags, reverting to pre-configured ones if none have been specified.

func MakeBootstrapNodesV5 

func MakeBootstrapNodesV5(ctx *cli.Context) []*discv5.Node

MakeBootstrapNodesV5 creates a list of bootstrap nodes from the command line flags, reverting to pre-configured ones if none have been specified.

func MakeChain 

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

MakeChain creates a chain manager from set command line flags.

func MakeChainConfig 

func MakeChainConfig(ctx *cli.Context, stack *node.Node) *params.ChainConfig

MakeChainConfig reads the chain configuration from the database in ctx.Datadir.

func MakeChainConfigFromDb 

func MakeChainConfigFromDb(ctx *cli.Context, db ethdb.Database) *params.ChainConfig

MakeChainConfigFromDb reads the chain configuration from the given database.

func MakeChainDatabase 

func MakeChainDatabase(ctx *cli.Context, stack *node.Node) ethdb.Database

MakeChainDatabase open an LevelDB using the flags passed to the client and will hard crash if it fails.

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 MakeDatabaseHandles 

func MakeDatabaseHandles() int

MakeDatabaseHandles raises out the number of allowed file handles per process for Geth and returns half of the allowance to assign to the database.

func MakeDaxxcoinbase 

func MakeDaxxcoinbase(ks *keystore.KeyStore, ctx *cli.Context) common.Address

MakeDaxxcoinbase retrieves the daxxcoinbase either from the directly specified command line flags or from the keystore if CLI indexed.

func MakeDiscoveryV5Address 

func MakeDiscoveryV5Address(ctx *cli.Context) string

MakeDiscoveryV5Address creates a UDP listening address string from set command line flags for the V5 discovery protocol.

func MakeHTTPRpcHost 

func MakeHTTPRpcHost(ctx *cli.Context) string

MakeHTTPRpcHost creates the HTTP RPC listener interface string from the set command line flags, returning empty if the HTTP endpoint is disabled.

func MakeIPCPath 

func MakeIPCPath(ctx *cli.Context) string

MakeIPCPath creates an IPC path configuration from the set command line flags, returning an empty string if IPC was explicitly disabled, or the set path.

func MakeListenAddress 

func MakeListenAddress(ctx *cli.Context) string

MakeListenAddress creates a TCP listening address string from set command line flags.

func MakeMinerExtra 

func MakeMinerExtra(extra []byte, ctx *cli.Context) []byte

MakeMinerExtra resolves extradata for the miner from the set command line flags or returns a default one composed on the client, runtime and OS metadata.

func MakeNAT 

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

MakeNAT creates a port mapper from set command line flags.

func MakeNode 

func MakeNode(ctx *cli.Context, name, gitCommit string) *node.Node

MakeNode configures a node with no services from command line flags.

func MakeNodeKey 

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

MakeNodeKey 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 MakePasswordList 

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

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

func MakeRPCModules 

func MakeRPCModules(input string) []string

MakeRPCModules splits input separated by a comma and trims excessive white space from the substrings.

func MakeWSRpcHost 

func MakeWSRpcHost(ctx *cli.Context) string

MakeWSRpcHost creates the WebSocket RPC listener interface string from the set command line flags, returning empty if the HTTP endpoint is disabled.

func NewApp 

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

NewApp creates an app with sane defaults.

func RegisterEthService 

func RegisterEthService(ctx *cli.Context, stack *node.Node, extra []byte)

RegisterEthService configures eth.Daxxcoin from command line flags and adds it to the given node.

func RegisterEthStatsService 

func RegisterEthStatsService(stack *node.Node, url string)

RegisterEthStatsService configures the Daxxcoin Stats daemon and adds it to th egiven node.

func RegisterShhService 

func RegisterShhService(stack *node.Node)

RegisterShhService configures Whisper and adds it to the given node.

func SetupNetwork 

func SetupNetwork(ctx *cli.Context)

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

func StartNode 

func StartNode(stack *node.Node)

Types

type DirectoryFlag 

type DirectoryFlag struct {
	Name   string
	Value  DirectoryString
	Usage  string
	EnvVar string
}

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

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

Source Files

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