diff options
Diffstat (limited to 'cmd')
-rw-r--r-- | cmd/ethereum/flags.go | 168 | ||||
-rw-r--r-- | cmd/ethereum/js.go (renamed from cmd/ethereum/cmd.go) | 13 | ||||
-rw-r--r-- | cmd/ethereum/main.go | 238 | ||||
-rw-r--r-- | cmd/utils/cmd.go | 25 | ||||
-rw-r--r-- | cmd/utils/flags.go | 178 |
5 files changed, 350 insertions, 272 deletions
diff --git a/cmd/ethereum/flags.go b/cmd/ethereum/flags.go deleted file mode 100644 index a3004f503..000000000 --- a/cmd/ethereum/flags.go +++ /dev/null @@ -1,168 +0,0 @@ -/* - This file is part of go-ethereum - - go-ethereum is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - go-ethereum is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with go-ethereum. If not, see <http://www.gnu.org/licenses/>. -*/ -/** - * @authors - * Jeffrey Wilcke <i@jev.io> - */ -package main - -import ( - "crypto/ecdsa" - "flag" - "fmt" - "log" - "os" - "path" - "runtime" - - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/ethutil" - "github.com/ethereum/go-ethereum/logger" - "github.com/ethereum/go-ethereum/p2p/nat" - "github.com/ethereum/go-ethereum/vm" -) - -var ( - Identifier string - KeyRing string - DiffTool bool - DiffType string - KeyStore string - StartRpc bool - StartWebSockets bool - RpcListenAddress string - RpcPort int - OutboundPort string - ShowGenesis bool - AddPeer string - MaxPeer int - GenAddr bool - BootNodes string - NodeKey *ecdsa.PrivateKey - NAT nat.Interface - SecretFile string - ExportDir string - NonInteractive bool - Datadir string - LogFile string - ConfigFile string - DebugFile string - LogLevel int - LogFormat string - Dump bool - DumpHash string - DumpNumber int - VmType int - ImportChain string - SHH bool - Dial bool - PrintVersion bool - MinerThreads int -) - -// flags specific to cli client -var ( - StartMining bool - StartJsConsole bool - InputFile string -) - -var defaultConfigFile = path.Join(ethutil.DefaultDataDir(), "conf.ini") - -func Init() { - // TODO: move common flag processing to cmd/util - flag.Usage = func() { - fmt.Fprintf(os.Stderr, "%s [options] [filename]:\noptions precedence: default < config file < environment variables < command line\n", os.Args[0]) - flag.PrintDefaults() - } - - flag.IntVar(&VmType, "vm", 0, "Virtual Machine type: 0-1: standard, debug") - flag.StringVar(&Identifier, "id", "", "Custom client identifier") - flag.StringVar(&KeyRing, "keyring", "", "identifier for keyring to use") - flag.StringVar(&KeyStore, "keystore", "db", "system to store keyrings: db|file") - - flag.StringVar(&RpcListenAddress, "rpcaddr", "127.0.0.1", "address for json-rpc server to listen on") - flag.IntVar(&RpcPort, "rpcport", 8545, "port to start json-rpc server on") - flag.BoolVar(&StartRpc, "rpc", false, "start rpc server") - flag.BoolVar(&NonInteractive, "y", false, "non-interactive mode (say yes to confirmations)") - flag.BoolVar(&GenAddr, "genaddr", false, "create a new priv/pub key") - flag.StringVar(&SecretFile, "import", "", "imports the file given (hex or mnemonic formats)") - flag.StringVar(&ExportDir, "export", "", "exports the session keyring to files in the directory given") - flag.StringVar(&LogFile, "logfile", "", "log file (defaults to standard output)") - flag.StringVar(&Datadir, "datadir", ethutil.DefaultDataDir(), "specifies the datadir to use") - flag.StringVar(&ConfigFile, "conf", defaultConfigFile, "config file") - flag.StringVar(&DebugFile, "debug", "", "debug file (no debugging if not set)") - flag.IntVar(&LogLevel, "loglevel", int(logger.InfoLevel), "loglevel: 0-5 (= silent,error,warn,info,debug,debug detail)") - flag.StringVar(&LogFormat, "logformat", "std", "logformat: std,raw") - flag.BoolVar(&DiffTool, "difftool", false, "creates output for diff'ing. Sets LogLevel=0") - flag.StringVar(&DiffType, "diff", "all", "sets the level of diff output [vm, all]. Has no effect if difftool=false") - flag.BoolVar(&ShowGenesis, "genesis", false, "Dump the genesis block") - flag.StringVar(&ImportChain, "chain", "", "Imports given chain") - - flag.BoolVar(&Dump, "dump", false, "output the ethereum state in JSON format. Sub args [number, hash]") - flag.StringVar(&DumpHash, "hash", "", "specify arg in hex") - flag.IntVar(&DumpNumber, "number", -1, "specify arg in number") - - flag.BoolVar(&StartMining, "mine", false, "start mining") - flag.BoolVar(&StartJsConsole, "js", false, "launches javascript console") - flag.BoolVar(&PrintVersion, "version", false, "prints version number") - flag.IntVar(&MinerThreads, "minerthreads", runtime.NumCPU(), "number of miner threads") - - // Network stuff - var ( - nodeKeyFile = flag.String("nodekey", "", "network private key file") - nodeKeyHex = flag.String("nodekeyhex", "", "network private key (for testing)") - natstr = flag.String("nat", "any", "port mapping mechanism (any|none|upnp|pmp|extip:<IP>)") - ) - flag.BoolVar(&Dial, "dial", true, "dial out connections (default on)") - //flag.BoolVar(&SHH, "shh", true, "run whisper protocol (default on)") - flag.StringVar(&OutboundPort, "port", "30303", "listening port") - - flag.StringVar(&BootNodes, "bootnodes", "", "space-separated node URLs for discovery bootstrap") - flag.IntVar(&MaxPeer, "maxpeer", 30, "maximum desired peers") - - flag.Parse() - - // When the javascript console is started log to a file instead - // of stdout - if StartJsConsole { - LogFile = path.Join(Datadir, "ethereum.log") - } - - var err error - if NAT, err = nat.Parse(*natstr); err != nil { - log.Fatalf("-nat: %v", err) - } - switch { - case *nodeKeyFile != "" && *nodeKeyHex != "": - log.Fatal("Options -nodekey and -nodekeyhex are mutually exclusive") - case *nodeKeyFile != "": - if NodeKey, err = crypto.LoadECDSA(*nodeKeyFile); err != nil { - log.Fatalf("-nodekey: %v", err) - } - case *nodeKeyHex != "": - if NodeKey, err = crypto.HexToECDSA(*nodeKeyHex); err != nil { - log.Fatalf("-nodekeyhex: %v", err) - } - } - - if VmType >= int(vm.MaxVmTy) { - log.Fatal("Invalid VM type ", VmType) - } - - InputFile = flag.Arg(0) -} diff --git a/cmd/ethereum/cmd.go b/cmd/ethereum/js.go index 7bb7c3ef7..f0aeb45f5 100644 --- a/cmd/ethereum/cmd.go +++ b/cmd/ethereum/js.go @@ -21,20 +21,23 @@ import ( "io/ioutil" "os" + "github.com/ethereum/go-ethereum/cmd/utils" "github.com/ethereum/go-ethereum/eth" "github.com/ethereum/go-ethereum/javascript" "github.com/ethereum/go-ethereum/xeth" ) -func ExecJsFile(ethereum *eth.Ethereum, InputFile string) { - file, err := os.Open(InputFile) +func execJsFile(ethereum *eth.Ethereum, filename string) { + file, err := os.Open(filename) if err != nil { - clilogger.Fatalln(err) + utils.Fatalf("%v", err) } content, err := ioutil.ReadAll(file) if err != nil { - clilogger.Fatalln(err) + utils.Fatalf("%v", err) } re := javascript.NewJSRE(xeth.New(ethereum)) - re.Run(string(content)) + if _, err := re.Run(string(content)); err != nil { + utils.Fatalf("Javascript Error: %v", err) + } } diff --git a/cmd/ethereum/main.go b/cmd/ethereum/main.go index b9e69f700..a38e012c2 100644 --- a/cmd/ethereum/main.go +++ b/cmd/ethereum/main.go @@ -24,15 +24,16 @@ import ( "fmt" "os" "runtime" + "strconv" "time" + "github.com/codegangsta/cli" "github.com/ethereum/go-ethereum/cmd/ethereum/repl" "github.com/ethereum/go-ethereum/cmd/utils" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/eth" "github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/logger" - "github.com/ethereum/go-ethereum/p2p" "github.com/ethereum/go-ethereum/state" ) @@ -41,117 +42,174 @@ const ( Version = "0.8.6" ) -var clilogger = logger.NewLogger("CLI") +var ( + clilogger = logger.NewLogger("CLI") + app = cli.NewApp() +) -func main() { - runtime.GOMAXPROCS(runtime.NumCPU()) +func init() { + app.Version = Version + app.Usage = "the go-ethereum command-line client" + app.Action = run + app.HideVersion = true // we have a command to print the version + app.Commands = []cli.Command{ + { + Action: version, + Name: "version", + Usage: "print ethereum version numbers", + Description: ` +The output of this command is supposed to be machine-readable. +`, + }, + { + Action: dump, + Name: "dump", + Usage: `dump a specific block from storage`, + Description: ` +The arguments are interpreted as block numbers or hashes. +Use "ethereum dump 0" to dump the genesis block. +`, + }, + { + Action: runjs, + Name: "js", + Usage: `interactive JavaScript console`, + Description: ` +In the console, you can use the eth object to interact +with the running ethereum stack. The API does not match +ethereum.js. + +A JavaScript file can be provided as the argument. The +runtime will execute the file and exit. +`, + }, + { + Action: importchain, + Name: "import", + Usage: `import a blockchain file`, + }, + } + app.Author = "" + app.Email = "" + app.Flags = []cli.Flag{ + utils.BootnodesFlag, + utils.DataDirFlag, + utils.KeyRingFlag, + utils.KeyStoreFlag, + utils.ListenPortFlag, + utils.LogFileFlag, + utils.LogFormatFlag, + utils.LogLevelFlag, + utils.MaxPeersFlag, + utils.MinerThreadsFlag, + utils.MiningEnabledFlag, + utils.NATFlag, + utils.NodeKeyFileFlag, + utils.NodeKeyHexFlag, + utils.RPCEnabledFlag, + utils.RPCListenAddrFlag, + utils.RPCPortFlag, + utils.VMTypeFlag, + } + + // missing: + // flag.StringVar(&ConfigFile, "conf", defaultConfigFile, "config file") + // flag.BoolVar(&DiffTool, "difftool", false, "creates output for diff'ing. Sets LogLevel=0") + // flag.StringVar(&DiffType, "diff", "all", "sets the level of diff output [vm, all]. Has no effect if difftool=false") - defer func() { - logger.Flush() - }() + // potential subcommands: + // flag.StringVar(&SecretFile, "import", "", "imports the file given (hex or mnemonic formats)") + // flag.StringVar(&ExportDir, "export", "", "exports the session keyring to files in the directory given") + // flag.BoolVar(&GenAddr, "genaddr", false, "create a new priv/pub key") +} +func main() { + runtime.GOMAXPROCS(runtime.NumCPU()) + defer logger.Flush() utils.HandleInterrupt() + if err := app.Run(os.Args); err != nil { + fmt.Fprintln(os.Stderr, err) + os.Exit(1) + } +} - // precedence: code-internal flag default < config file < environment variables < command line - Init() // parsing command line +func run(ctx *cli.Context) { + fmt.Printf("Welcome to the FRONTIER\n") + eth := utils.GetEthereum(ClientIdentifier, Version, ctx) + startEth(ctx, eth) + // this blocks the thread + eth.WaitForShutdown() +} - if PrintVersion { - printVersion() - return +func runjs(ctx *cli.Context) { + eth := utils.GetEthereum(ClientIdentifier, Version, ctx) + startEth(ctx, eth) + if len(ctx.Args()) == 0 { + repl := ethrepl.NewJSRepl(eth) + repl.Start() + utils.RegisterInterrupt(func(os.Signal) { repl.Stop() }) + eth.WaitForShutdown() + } else if len(ctx.Args()) == 1 { + execJsFile(eth, ctx.Args()[0]) + } else { + utils.Fatalf("This command can handle at most one argument.") } +} - utils.InitConfig(VmType, ConfigFile, Datadir, "ETH") - - ethereum, err := eth.New(ð.Config{ - Name: p2p.MakeName(ClientIdentifier, Version), - KeyStore: KeyStore, - DataDir: Datadir, - LogFile: LogFile, - LogLevel: LogLevel, - LogFormat: LogFormat, - MaxPeers: MaxPeer, - Port: OutboundPort, - NAT: NAT, - KeyRing: KeyRing, - Shh: true, - Dial: Dial, - BootNodes: BootNodes, - NodeKey: NodeKey, - MinerThreads: MinerThreads, - }) +func startEth(ctx *cli.Context, eth *eth.Ethereum) { + utils.StartEthereum(eth) + if ctx.GlobalBool(utils.RPCEnabledFlag.Name) { + addr := ctx.GlobalString(utils.RPCListenAddrFlag.Name) + port := ctx.GlobalInt(utils.RPCPortFlag.Name) + utils.StartRpc(eth, addr, port) + } + if ctx.GlobalBool(utils.MiningEnabledFlag.Name) { + eth.Miner().Start() + } +} +func importchain(ctx *cli.Context) { + if len(ctx.Args()) != 1 { + utils.Fatalf("This command requires an argument.") + } + chain, _ := utils.GetChain(ctx) + start := time.Now() + err := utils.ImportChain(chain, ctx.Args().First()) if err != nil { - clilogger.Fatalln(err) + utils.Fatalf("Import error: %v\n", err) } + fmt.Printf("Import done in", time.Since(start)) + return +} - utils.KeyTasks(ethereum.KeyManager(), KeyRing, GenAddr, SecretFile, ExportDir, NonInteractive) - - if Dump { +func dump(ctx *cli.Context) { + chain, db := utils.GetChain(ctx) + for _, arg := range ctx.Args() { var block *types.Block - - if len(DumpHash) == 0 && DumpNumber == -1 { - block = ethereum.ChainManager().CurrentBlock() - } else if len(DumpHash) > 0 { - block = ethereum.ChainManager().GetBlock(ethutil.Hex2Bytes(DumpHash)) + if hashish(arg) { + block = chain.GetBlock(ethutil.Hex2Bytes(arg)) } else { - block = ethereum.ChainManager().GetBlockByNumber(uint64(DumpNumber)) + num, _ := strconv.Atoi(arg) + block = chain.GetBlockByNumber(uint64(num)) } - if block == nil { - fmt.Fprintln(os.Stderr, "block not found") - - // We want to output valid JSON fmt.Println("{}") - - os.Exit(1) - } - - // Leave the Println. This needs clean output for piping - statedb := state.New(block.Root(), ethereum.Db()) - fmt.Printf("%s\n", statedb.Dump()) - - fmt.Println(block) - - return - } - - if len(ImportChain) > 0 { - start := time.Now() - err := utils.ImportChain(ethereum, ImportChain) - if err != nil { - clilogger.Infoln(err) + utils.Fatalf("block not found") + } else { + statedb := state.New(block.Root(), db) + fmt.Printf("%s\n", statedb.Dump()) + // fmt.Println(block) } - clilogger.Infoln("import done in", time.Since(start)) - return - } - - if StartRpc { - utils.StartRpc(ethereum, RpcListenAddress, RpcPort) - } - - utils.StartEthereum(ethereum) - - fmt.Printf("Welcome to the FRONTIER\n") - - if StartMining { - ethereum.Miner().Start() } +} - if StartJsConsole { - repl := ethrepl.NewJSRepl(ethereum) - repl.Start() - utils.RegisterInterrupt(func(os.Signal) { - repl.Stop() - }) - - } else if len(InputFile) > 0 { - ExecJsFile(ethereum, InputFile) - } - // this blocks the thread - ethereum.WaitForShutdown() +// hashish returns true for strings that look like hashes. +func hashish(x string) bool { + _, err := strconv.Atoi(x) + return err != nil } -func printVersion() { +func version(c *cli.Context) { fmt.Printf(`%v %v PV=%d GOOS=%s diff --git a/cmd/utils/cmd.go b/cmd/utils/cmd.go index 2bd34d792..3c3d3955d 100644 --- a/cmd/utils/cmd.go +++ b/cmd/utils/cmd.go @@ -27,6 +27,7 @@ import ( "os/signal" "regexp" + "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/eth" @@ -108,13 +109,20 @@ func InitConfig(vmType int, ConfigFile string, Datadir string, EnvPrefix string) func exit(err error) { status := 0 if err != nil { - clilogger.Errorln("Fatal: ", err) + fmt.Fprintln(os.Stderr, "Fatal: ", err) status = 1 } logger.Flush() os.Exit(status) } +// Fatalf formats a message to standard output and exits the program. +func Fatalf(format string, args ...interface{}) { + fmt.Fprintf(os.Stderr, "Fatal: "+format+"\n", args...) + logger.Flush() + os.Exit(1) +} + func StartEthereum(ethereum *eth.Ethereum) { clilogger.Infoln("Starting ", ethereum.Name()) if err := ethereum.Start(); err != nil { @@ -127,7 +135,6 @@ func StartEthereum(ethereum *eth.Ethereum) { } func KeyTasks(keyManager *crypto.KeyManager, KeyRing string, GenAddr bool, SecretFile string, ExportDir string, NonInteractive bool) { - var err error switch { case GenAddr: @@ -200,24 +207,24 @@ func BlockDo(ethereum *eth.Ethereum, hash []byte) error { } -func ImportChain(ethereum *eth.Ethereum, fn string) error { - clilogger.Infof("importing chain '%s'\n", fn) +func ImportChain(chain *core.ChainManager, fn string) error { + fmt.Printf("importing chain '%s'\n", fn) fh, err := os.OpenFile(fn, os.O_RDONLY, os.ModePerm) if err != nil { return err } defer fh.Close() - var chain types.Blocks - if err := rlp.Decode(fh, &chain); err != nil { + var blocks types.Blocks + if err := rlp.Decode(fh, &blocks); err != nil { return err } - ethereum.ChainManager().Reset() - if err := ethereum.ChainManager().InsertChain(chain); err != nil { + chain.Reset() + if err := chain.InsertChain(blocks); err != nil { return err } - clilogger.Infof("imported %d blocks\n", len(chain)) + fmt.Printf("imported %d blocks\n", len(blocks)) return nil } diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go new file mode 100644 index 000000000..fb80ac708 --- /dev/null +++ b/cmd/utils/flags.go @@ -0,0 +1,178 @@ +package utils + +import ( + "crypto/ecdsa" + "path" + "runtime" + + "github.com/codegangsta/cli" + "github.com/ethereum/go-ethereum/core" + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/eth" + "github.com/ethereum/go-ethereum/ethdb" + "github.com/ethereum/go-ethereum/ethutil" + "github.com/ethereum/go-ethereum/event" + "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/p2p" + "github.com/ethereum/go-ethereum/p2p/nat" +) + +// These are all the command line flags we support. +// If you add to this list, please remember to include the +// flag in the appropriate command definition. +// +// The flags are defined here so their names and help texts +// are the same for all commands. + +var ( + // General settings + VMTypeFlag = cli.IntFlag{ + Name: "vm", + Usage: "Virtual Machine type: 0 is standard VM, 1 is debug VM", + } + KeyRingFlag = cli.StringFlag{ + Name: "keyring", + Usage: "Name of keyring to be used", + Value: "", + } + KeyStoreFlag = cli.StringFlag{ + Name: "keystore", + Usage: `Where to store keyrings: "db" or "file"`, + Value: "db", + } + DataDirFlag = cli.StringFlag{ + Name: "datadir", + Usage: "Data directory to be used", + Value: ethutil.DefaultDataDir(), + } + MinerThreadsFlag = cli.IntFlag{ + Name: "minerthreads", + Usage: "Number of miner threads", + Value: runtime.NumCPU(), + } + MiningEnabledFlag = cli.BoolFlag{ + Name: "mine", + Usage: "Enable mining", + } + + LogFileFlag = cli.StringFlag{ + Name: "logfile", + Usage: "Send log output to a file", + } + LogLevelFlag = cli.IntFlag{ + Name: "loglevel", + Usage: "0-5 (silent, error, warn, info, debug, debug detail)", + Value: int(logger.InfoLevel), + } + LogFormatFlag = cli.StringFlag{ + Name: "logformat", + Usage: `"std" or "raw"`, + Value: "std", + } + + // RPC settings + RPCEnabledFlag = cli.BoolFlag{ + Name: "rpc", + Usage: "Whether RPC server is enabled", + } + RPCListenAddrFlag = cli.StringFlag{ + Name: "rpcaddr", + Usage: "Listening address for the JSON-RPC server", + Value: "127.0.0.1", + } + RPCPortFlag = cli.IntFlag{ + Name: "rpcport", + Usage: "Port on which the JSON-RPC server should listen", + Value: 8545, + } + + // Network Settings + MaxPeersFlag = cli.IntFlag{ + Name: "maxpeers", + Usage: "Maximum number of network peers", + Value: 16, + } + ListenPortFlag = cli.IntFlag{ + Name: "port", + Usage: "Network listening port", + Value: 30303, + } + BootnodesFlag = cli.StringFlag{ + Name: "bootnodes", + Usage: "Space-separated enode URLs for 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: "Port mapping mechanism (any|none|upnp|pmp|extip:<IP>)", + Value: "any", + } +) + +func GetNAT(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 +} + +func GetNodeKey(ctx *cli.Context) (key *ecdsa.PrivateKey) { + hex, file := ctx.GlobalString(NodeKeyHexFlag.Name), ctx.GlobalString(NodeKeyFileFlag.Name) + var 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 +} + +func GetEthereum(clientID, version string, ctx *cli.Context) *eth.Ethereum { + ethereum, err := eth.New(ð.Config{ + Name: p2p.MakeName(clientID, version), + KeyStore: ctx.GlobalString(KeyStoreFlag.Name), + DataDir: ctx.GlobalString(DataDirFlag.Name), + LogFile: ctx.GlobalString(LogFileFlag.Name), + LogLevel: ctx.GlobalInt(LogLevelFlag.Name), + LogFormat: ctx.GlobalString(LogFormatFlag.Name), + MinerThreads: ctx.GlobalInt(MinerThreadsFlag.Name), + + MaxPeers: ctx.GlobalInt(MaxPeersFlag.Name), + Port: ctx.GlobalString(ListenPortFlag.Name), + NAT: GetNAT(ctx), + NodeKey: GetNodeKey(ctx), + KeyRing: ctx.GlobalString(KeyRingFlag.Name), + Shh: true, + Dial: true, + BootNodes: ctx.GlobalString(BootnodesFlag.Name), + }) + if err != nil { + exit(err) + } + return ethereum +} + +func GetChain(ctx *cli.Context) (*core.ChainManager, ethutil.Database) { + dataDir := ctx.GlobalString(DataDirFlag.Name) + db, err := ethdb.NewLDBDatabase(path.Join(dataDir, "blockchain")) + if err != nil { + Fatalf("Could not open database: %v", err) + } + return core.NewChainManager(db, new(event.TypeMux)), db +} |