本文整理汇总了Golang中github.com/gophergala2016/etherapis/etherapis/Godeps/_workspace/src/github.com/codegangsta/cli.Context类的典型用法代码示例。如果您正苦于以下问题:Golang Context类的具体用法?Golang Context怎么用?Golang Context使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Context类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: MakeChain
// MakeChain creates a chain manager from set command line flags.
func MakeChain(ctx *cli.Context) (chain *core.BlockChain, chainDb ethdb.Database) {
datadir := MustMakeDataDir(ctx)
cache := ctx.GlobalInt(CacheFlag.Name)
var err error
if chainDb, err = ethdb.NewLDBDatabase(filepath.Join(datadir, "chaindata"), cache); err != nil {
Fatalf("Could not open database: %v", err)
}
if ctx.GlobalBool(OlympicFlag.Name) {
_, err := core.WriteTestNetGenesisBlock(chainDb)
if err != nil {
glog.Fatalln(err)
}
}
eventMux := new(event.TypeMux)
pow := ethash.New()
//genesis := core.GenesisBlock(uint64(ctx.GlobalInt(GenesisNonceFlag.Name)), blockDB)
chain, err = core.NewBlockChain(chainDb, pow, eventMux)
if err != nil {
Fatalf("Could not start chainmanager: %v", err)
}
return chain, chainDb
}
示例2: MakeNAT
// MakeNAT creates a port mapper from set command line flags.
func MakeNAT(ctx *cli.Context) nat.Interface {
natif, err := nat.Parse(ctx.GlobalString(NATFlag.Name))
if err != nil {
Fatalf("Option %s: %v", NATFlag.Name, err)
}
return natif
}
示例3: MakeNodeName
// MakeNodeName creates a node name from a base set and the command line flags.
func MakeNodeName(client, version string, ctx *cli.Context) string {
name := common.MakeName(client, version)
if identity := ctx.GlobalString(IdentityFlag.Name); len(identity) > 0 {
name += "/" + identity
}
if ctx.GlobalBool(VMEnableJitFlag.Name) {
name += "/JIT"
}
return name
}
示例4: MakePasswordList
// MakePasswordList loads up a list of password from a file specified by the
// command line flags.
func MakePasswordList(ctx *cli.Context) []string {
if path := ctx.GlobalString(PasswordFileFlag.Name); path != "" {
blob, err := ioutil.ReadFile(path)
if err != nil {
Fatalf("Failed to read password file: %v", err)
}
return strings.Split(string(blob), "\n")
}
return nil
}
示例5: NewRemoteRPCClient
// NewRemoteRPCClient returns a RPC client which connects to a running geth instance.
// Depending on the given context this can either be a IPC or a HTTP client.
func NewRemoteRPCClient(ctx *cli.Context) (rpc.Client, error) {
if ctx.Args().Present() {
endpoint := ctx.Args().First()
return NewRemoteRPCClientFromString(endpoint)
}
// use IPC by default
endpoint := IPCSocketPath(ctx)
return rpc.NewIPCClient(endpoint)
}
示例6: MustMakeDataDir
// MustMakeDataDir 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 MustMakeDataDir(ctx *cli.Context) string {
if path := ctx.GlobalString(DataDirFlag.Name); path != "" {
if ctx.GlobalBool(TestNetFlag.Name) {
return filepath.Join(path, "/testnet")
}
return path
}
Fatalf("Cannot determine default data directory, please set manually (--datadir)")
return ""
}
示例7: MakeGenesisBlock
// MakeGenesisBlock loads up a genesis block from an input file specified in the
// command line, or returns the empty string if none set.
func MakeGenesisBlock(ctx *cli.Context) string {
genesis := ctx.GlobalString(GenesisFileFlag.Name)
if genesis == "" {
return ""
}
data, err := ioutil.ReadFile(genesis)
if err != nil {
Fatalf("Failed to load custom genesis file: %v", err)
}
return string(data)
}
示例8: SetupNetwork
// SetupNetwork configures the system for either the main net or some test network.
func SetupNetwork(ctx *cli.Context) {
switch {
case ctx.GlobalBool(OlympicFlag.Name):
params.DurationLimit = big.NewInt(8)
params.GenesisGasLimit = big.NewInt(3141592)
params.MinGasLimit = big.NewInt(125000)
params.MaximumExtraDataSize = big.NewInt(1024)
NetworkIdFlag.Value = 0
core.BlockReward = big.NewInt(1.5e+18)
core.ExpDiffPeriod = big.NewInt(math.MaxInt64)
}
}
示例9: MakeAccountManager
// MakeAccountManager creates an account manager from set command line flags.
func MakeAccountManager(ctx *cli.Context) *accounts.Manager {
// Create the keystore crypto primitive, light if requested
scryptN := crypto.StandardScryptN
scryptP := crypto.StandardScryptP
if ctx.GlobalBool(LightKDFFlag.Name) {
scryptN = crypto.LightScryptN
scryptP = crypto.LightScryptP
}
// Assemble an account manager using the configured datadir
var (
datadir = MustMakeDataDir(ctx)
keystore = crypto.NewKeyStorePassphrase(filepath.Join(datadir, "keystore"), scryptN, scryptP)
)
return accounts.NewManager(keystore)
}
示例10: MakeEtherbase
// MakeEtherbase retrieves the etherbase either from the directly specified
// command line flags or from the keystore if CLI indexed.
func MakeEtherbase(accman *accounts.Manager, ctx *cli.Context) common.Address {
accounts, _ := accman.Accounts()
if !ctx.GlobalIsSet(EtherbaseFlag.Name) && len(accounts) == 0 {
glog.V(logger.Error).Infoln("WARNING: No etherbase set and no accounts found as default")
return common.Address{}
}
etherbase := ctx.GlobalString(EtherbaseFlag.Name)
if etherbase == "" {
return common.Address{}
}
// If the specified etherbase is a valid address, return it
addr, err := MakeAddress(accman, etherbase)
if err != nil {
Fatalf("Option %q: %v", EtherbaseFlag.Name, err)
}
return addr
}
示例11: StartWS
// StartWS starts a websocket JSON-RPC API server.
func StartWS(stack *node.Node, ctx *cli.Context) error {
for _, api := range stack.APIs() {
if adminApi, ok := api.Service.(*node.PrivateAdminAPI); ok {
address := ctx.GlobalString(WSListenAddrFlag.Name)
port := ctx.GlobalInt(WSAllowedDomainsFlag.Name)
allowedDomains := ctx.GlobalString(WSAllowedDomainsFlag.Name)
apiStr := ""
if ctx.GlobalIsSet(WSApiFlag.Name) {
apiStr = ctx.GlobalString(WSApiFlag.Name)
}
_, err := adminApi.StartWS(address, port, allowedDomains, apiStr)
return err
}
}
glog.V(logger.Error).Infof("Unable to start RPC-WS interface, could not find admin API")
return errors.New("Unable to start RPC-WS interface")
}
示例12: MakeNodeKey
// 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 MakeNodeKey(ctx *cli.Context) *ecdsa.PrivateKey {
var (
hex = ctx.GlobalString(NodeKeyHexFlag.Name)
file = ctx.GlobalString(NodeKeyFileFlag.Name)
key *ecdsa.PrivateKey
err error
)
switch {
case file != "" && hex != "":
Fatalf("Options %q and %q are mutually exclusive", NodeKeyFileFlag.Name, NodeKeyHexFlag.Name)
case file != "":
if key, err = crypto.LoadECDSA(file); err != nil {
Fatalf("Option %q: %v", NodeKeyFileFlag.Name, err)
}
case hex != "":
if key, err = crypto.HexToECDSA(hex); err != nil {
Fatalf("Option %q: %v", NodeKeyHexFlag.Name, err)
}
}
return key
}
示例13: MakeBootstrapNodes
// MakeBootstrapNodes creates a list of bootstrap nodes from the command line
// flags, reverting to pre-configured ones if none have been specified.
func MakeBootstrapNodes(ctx *cli.Context) []*discover.Node {
// Return pre-configured nodes if none were manually requested
if !ctx.GlobalIsSet(BootnodesFlag.Name) {
if ctx.GlobalBool(TestNetFlag.Name) {
return TestNetBootNodes
}
return FrontierBootNodes
}
// Otherwise parse and use the CLI bootstrap nodes
bootnodes := []*discover.Node{}
for _, url := range strings.Split(ctx.GlobalString(BootnodesFlag.Name), ",") {
node, err := discover.ParseNode(url)
if err != nil {
glog.V(logger.Error).Infof("Bootstrap URL %s: %v\n", url, err)
continue
}
bootnodes = append(bootnodes, node)
}
return bootnodes
}
示例14: StartPProf
func StartPProf(ctx *cli.Context) {
address := fmt.Sprintf("localhost:%d", ctx.GlobalInt(PProfPortFlag.Name))
go func() {
log.Println(http.ListenAndServe(address, nil))
}()
}
示例15: IPCSocketPath
func IPCSocketPath(ctx *cli.Context) (ipcpath string) {
if runtime.GOOS == "windows" {
ipcpath = common.DefaultIpcPath()
if ctx.GlobalIsSet(IPCPathFlag.Name) {
ipcpath = ctx.GlobalString(IPCPathFlag.Name)
}
} else {
ipcpath = common.DefaultIpcPath()
if ctx.GlobalIsSet(DataDirFlag.Name) {
ipcpath = filepath.Join(ctx.GlobalString(DataDirFlag.Name), "geth.ipc")
}
if ctx.GlobalIsSet(IPCPathFlag.Name) {
ipcpath = ctx.GlobalString(IPCPathFlag.Name)
}
}
return
}