本文整理汇总了Golang中github.com/expanse-project/go-expanse/cmd/utils.Fatalf函数的典型用法代码示例。如果您正苦于以下问题:Golang Fatalf函数的具体用法?Golang Fatalf怎么用?Golang Fatalf使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了Fatalf函数的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: upgradeDB
func upgradeDB(ctx *cli.Context) {
glog.Infoln("Upgrading blockchain database")
chain, chainDb := utils.MakeChain(ctx)
v, _ := chainDb.Get([]byte("BlockchainVersion"))
bcVersion := int(common.NewValue(v).Uint())
if bcVersion == 0 {
bcVersion = core.BlockChainVersion
}
// Export the current chain.
filename := fmt.Sprintf("blockchain_%d_%s.chain", bcVersion, time.Now().Format("20060102_150405"))
exportFile := filepath.Join(ctx.GlobalString(utils.DataDirFlag.Name), filename)
if err := utils.ExportChain(chain, exportFile); err != nil {
utils.Fatalf("Unable to export chain for reimport %s", err)
}
chainDb.Close()
os.RemoveAll(filepath.Join(ctx.GlobalString(utils.DataDirFlag.Name), "chaindata"))
// Import the chain file.
chain, chainDb = utils.MakeChain(ctx)
chainDb.Put([]byte("BlockchainVersion"), common.NewValue(core.BlockChainVersion).Bytes())
err := utils.ImportChain(chain, exportFile)
chainDb.Close()
if err != nil {
utils.Fatalf("Import error %v (a backup is made in %s, use the import command to import it)", err, exportFile)
} else {
os.Remove(exportFile)
glog.Infoln("Import finished")
}
}
示例2: resolveMetric
// resolveMetrics takes a single of input metric pattern, and resolves it to one
// or more canonical metric names.
func resolveMetric(metrics map[string]interface{}, pattern string, path string) []string {
results := []string{}
// If a nested metric was requested, recurse optionally branching (via comma)
parts := strings.SplitN(pattern, "/", 2)
if len(parts) > 1 {
for _, variation := range strings.Split(parts[0], ",") {
if submetrics, ok := metrics[variation].(map[string]interface{}); !ok {
utils.Fatalf("Failed to retrieve system metrics: %s", path+variation)
return nil
} else {
results = append(results, resolveMetric(submetrics, parts[1], path+variation+"/")...)
}
}
return results
}
// Depending what the last link is, return or expand
for _, variation := range strings.Split(pattern, ",") {
switch metric := metrics[variation].(type) {
case float64:
// Final metric value found, return as singleton
results = append(results, path+variation)
case map[string]interface{}:
results = append(results, expandMetrics(metric, path+variation+"/")...)
default:
utils.Fatalf("Metric pattern resolved to unexpected type: %v", reflect.TypeOf(metric))
return nil
}
}
return results
}
示例3: exportChain
func exportChain(ctx *cli.Context) {
if len(ctx.Args()) < 1 {
utils.Fatalf("This command requires an argument.")
}
chain, _ := utils.MakeChain(ctx)
start := time.Now()
var err error
fp := ctx.Args().First()
if len(ctx.Args()) < 3 {
err = utils.ExportChain(chain, fp)
} else {
// This can be improved to allow for numbers larger than 9223372036854775807
first, ferr := strconv.ParseInt(ctx.Args().Get(1), 10, 64)
last, lerr := strconv.ParseInt(ctx.Args().Get(2), 10, 64)
if ferr != nil || lerr != nil {
utils.Fatalf("Export error in parsing parameters: block number not an integer\n")
}
if first < 0 || last < 0 {
utils.Fatalf("Export error: block number must be greater than 0\n")
}
err = utils.ExportAppendChain(chain, fp, uint64(first), uint64(last))
}
if err != nil {
utils.Fatalf("Export error: %v\n", err)
}
fmt.Printf("Export done in %v", time.Since(start))
}
示例4: startNode
// startNode boots up the system node and all registered protocols, after which
// it unlocks any requested accounts, and starts the RPC/IPC interfaces and the
// miner.
func startNode(ctx *cli.Context, stack *node.Node) {
// Start up the node itself
utils.StartNode(stack)
// Unlock any account specifically requested
var expanse *exp.Expanse
if err := stack.Service(&expanse); err != nil {
utils.Fatalf("ethereum service not running: %v", err)
}
accman := expanse.AccountManager()
passwords := utils.MakePasswordList(ctx)
accounts := strings.Split(ctx.GlobalString(utils.UnlockedAccountFlag.Name), ",")
for i, account := range accounts {
if trimmed := strings.TrimSpace(account); trimmed != "" {
unlockAccount(ctx, accman, trimmed, i, passwords)
}
}
// Start auxiliary services if enabled
if ctx.GlobalBool(utils.MiningEnabledFlag.Name) {
if err := expanse.StartMining(ctx.GlobalInt(utils.MinerThreadsFlag.Name), ctx.GlobalString(utils.MiningGPUFlag.Name)); err != nil {
utils.Fatalf("Failed to start mining: %v", err)
}
}
}
示例5: makedag
func makedag(ctx *cli.Context) {
args := ctx.Args()
wrongArgs := func() {
utils.Fatalf(`Usage: gexp makedag <block number> <outputdir>`)
}
switch {
case len(args) == 2:
blockNum, err := strconv.ParseUint(args[0], 0, 64)
dir := args[1]
if err != nil {
wrongArgs()
} else {
dir = filepath.Clean(dir)
// seems to require a trailing slash
if !strings.HasSuffix(dir, "/") {
dir = dir + "/"
}
_, err = ioutil.ReadDir(dir)
if err != nil {
utils.Fatalf("Can't find dir")
}
fmt.Println("making DAG, this could take awhile...")
ethash.MakeDAG(blockNum, dir)
}
default:
wrongArgs()
}
}
示例6: startEth
func startEth(ctx *cli.Context, exp *exp.Expanse) {
// Start Expanse itself
utils.StartExpanse(exp)
am := exp.AccountManager()
account := ctx.GlobalString(utils.UnlockedAccountFlag.Name)
accounts := strings.Split(account, " ")
for i, account := range accounts {
if len(account) > 0 {
if account == "primary" {
utils.Fatalf("the 'primary' keyword is deprecated. You can use integer indexes, but the indexes are not permanent, they can change if you add external keys, export your keys or copy your keystore to another node.")
}
unlockAccount(ctx, am, account, i)
}
}
// Start auxiliary services if enabled.
if !ctx.GlobalBool(utils.IPCDisabledFlag.Name) {
if err := utils.StartIPC(exp, ctx); err != nil {
utils.Fatalf("Error string IPC: %v", err)
}
}
if ctx.GlobalBool(utils.RPCEnabledFlag.Name) {
if err := utils.StartRPC(exp, ctx); err != nil {
utils.Fatalf("Error starting RPC: %v", err)
}
}
if ctx.GlobalBool(utils.MiningEnabledFlag.Name) {
if err := exp.StartMining(ctx.GlobalInt(utils.MinerThreadsFlag.Name)); err != nil {
utils.Fatalf("%v", err)
}
}
}
示例7: runBlockTest
func runBlockTest(ctx *cli.Context) {
var (
file, testname string
rpc bool
)
args := ctx.Args()
switch {
case len(args) == 1:
file = args[0]
case len(args) == 2:
file, testname = args[0], args[1]
case len(args) == 3:
file, testname = args[0], args[1]
rpc = true
default:
utils.Fatalf(`Usage: expanse blocktest <path-to-test-file> [ <test-name> [ "rpc" ] ]`)
}
bt, err := tests.LoadBlockTests(file)
if err != nil {
utils.Fatalf("%v", err)
}
// run all tests if no test name is specified
if testname == "" {
ecode := 0
for name, test := range bt {
fmt.Printf("----------------- Running Block Test %q\n", name)
expanse, err := runOneBlockTest(ctx, test)
if err != nil {
fmt.Println(err)
fmt.Println("FAIL")
ecode = 1
}
if expanse != nil {
expanse.Stop()
expanse.WaitForShutdown()
}
}
os.Exit(ecode)
return
}
// otherwise, run the given test
test, ok := bt[testname]
if !ok {
utils.Fatalf("Test file does not contain test named %q", testname)
}
expanse, err := runOneBlockTest(ctx, test)
if err != nil {
utils.Fatalf("%v", err)
}
if rpc {
fmt.Println("Block Test post state validated, starting RPC interface.")
startEth(ctx, expanse)
utils.StartRPC(expanse, ctx)
expanse.WaitForShutdown()
}
}
示例8: importChain
func importChain(ctx *cli.Context) {
if len(ctx.Args()) != 1 {
utils.Fatalf("This command requires an argument.")
}
chain, chainDb := utils.MakeChain(ctx)
start := time.Now()
err := utils.ImportChain(chain, ctx.Args().First())
chainDb.Close()
if err != nil {
utils.Fatalf("Import error: %v", err)
}
fmt.Printf("Import done in %v", time.Since(start))
}
示例9: accountImport
func accountImport(ctx *cli.Context) {
keyfile := ctx.Args().First()
if len(keyfile) == 0 {
utils.Fatalf("keyfile must be given as argument")
}
am := utils.MakeAccountManager(ctx)
passphrase, _ := getPassPhrase(ctx, "Your new account is locked with a password. Please give a password. Do not forget this password.", true, 0, nil)
acct, err := am.Import(keyfile, passphrase)
if err != nil {
utils.Fatalf("Could not create the account: %v", err)
}
fmt.Printf("Address: %x\n", acct)
}
示例10: accountUpdate
func accountUpdate(ctx *cli.Context) {
am := utils.MakeAccountManager(ctx)
arg := ctx.Args().First()
if len(arg) == 0 {
utils.Fatalf("account address or index must be given as argument")
}
addr, authFrom, passphrases := unlockAccount(ctx, am, arg, 0, nil)
authTo, _ := getPassPhrase(ctx, "Please give a new password. Do not forget this password.", true, 0, passphrases)
err := am.Update(common.HexToAddress(addr), authFrom, authTo)
if err != nil {
utils.Fatalf("Could not update the account: %v", err)
}
}
示例11: execJSFiles
func execJSFiles(ctx *cli.Context) {
utils.CheckLegalese(ctx.GlobalString(utils.DataDirFlag.Name))
cfg := utils.MakeEthConfig(ClientIdentifier, nodeNameVersion, ctx)
expanse, err := exp.New(cfg)
if err != nil {
utils.Fatalf("%v", err)
}
client := comms.NewInProcClient(codec.JSON)
startEth(ctx, expanse)
repl := newJSRE(
expanse,
ctx.GlobalString(utils.JSpathFlag.Name),
ctx.GlobalString(utils.RPCCORSDomainFlag.Name),
client,
false,
nil,
)
for _, file := range ctx.Args() {
repl.exec(file)
}
expanse.Stop()
expanse.WaitForShutdown()
}
示例12: accountUpdate
func accountUpdate(ctx *cli.Context) {
utils.CheckLegalese(ctx.GlobalString(utils.DataDirFlag.Name))
am := utils.MakeAccountManager(ctx)
arg := ctx.Args().First()
if len(arg) == 0 {
utils.Fatalf("account address or index must be given as argument")
}
addr, authFrom := unlockAccount(ctx, am, arg, 0)
authTo := getPassPhrase(ctx, "Please give a new password. Do not forget this password.", true, 0)
err := am.Update(common.HexToAddress(addr), authFrom, authTo)
if err != nil {
utils.Fatalf("Could not update the account: %v", err)
}
}
示例13: newLightweightJSRE
func newLightweightJSRE(docRoot string, client comms.ExpanseClient, datadir string, interactive bool) *jsre {
js := &jsre{ps1: "> "}
js.wait = make(chan *big.Int)
js.client = client
// update state in separare forever blocks
js.re = re.New(docRoot)
if err := js.apiBindings(js); err != nil {
utils.Fatalf("Unable to initialize console - %v", err)
}
if !liner.TerminalSupported() || !interactive {
js.prompter = dumbterm{bufio.NewReader(os.Stdin)}
} else {
lr := liner.NewLiner()
js.withHistory(datadir, func(hist *os.File) { lr.ReadHistory(hist) })
lr.SetCtrlCAborts(true)
js.loadAutoCompletion()
lr.SetWordCompleter(apiWordCompleter)
lr.SetTabCompletionStyle(liner.TabPrints)
js.prompter = lr
js.atexit = func() {
js.withHistory(datadir, func(hist *os.File) { hist.Truncate(0); lr.WriteHistory(hist) })
lr.Close()
close(js.wait)
}
}
return js
}
示例14: attach
func attach(ctx *cli.Context) {
var client comms.ExpanseClient
var err error
if ctx.Args().Present() {
client, err = comms.ClientFromEndpoint(ctx.Args().First(), codec.JSON)
} else {
cfg := comms.IpcConfig{
Endpoint: utils.IpcSocketPath(ctx),
}
client, err = comms.NewIpcClient(cfg, codec.JSON)
}
if err != nil {
utils.Fatalf("Unable to attach to gexp node - %v", err)
}
repl := newLightweightJSRE(
ctx.GlobalString(utils.JSpathFlag.Name),
client,
ctx.GlobalString(utils.DataDirFlag.Name),
true,
)
if ctx.GlobalString(utils.ExecFlag.Name) != "" {
repl.batch(ctx.GlobalString(utils.ExecFlag.Name))
} else {
repl.welcome()
repl.interactive()
}
}
示例15: console
func console(ctx *cli.Context) {
cfg := utils.MakeEthConfig(ClientIdentifier, nodeNameVersion, ctx)
cfg.ExtraData = makeExtra(ctx)
expanse, err := exp.New(cfg)
if err != nil {
utils.Fatalf("%v", err)
}
client := comms.NewInProcClient(codec.JSON)
startEth(ctx, expanse)
repl := newJSRE(
expanse,
ctx.GlobalString(utils.JSpathFlag.Name),
ctx.GlobalString(utils.RPCCORSDomainFlag.Name),
client,
true,
nil,
)
if ctx.GlobalString(utils.ExecFlag.Name) != "" {
repl.batch(ctx.GlobalString(utils.ExecFlag.Name))
} else {
repl.welcome()
repl.interactive()
}
expanse.Stop()
expanse.WaitForShutdown()
}