Merge eth-go repository into go-ethereum

mist, etheruem have been moved to cmd/

cmd/ethereum/cmd.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"io/ioutil"
+	"os"
+
+	"github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/cmd/ethereum/repl"
+	"github.com/ethereum/go-ethereum/javascript"
+	"github.com/ethereum/go-ethereum/utils"
+)
+
+func InitJsConsole(ethereum *eth.Ethereum) {
+	repl := ethrepl.NewJSRepl(ethereum)
+	go repl.Start()
+	utils.RegisterInterrupt(func(os.Signal) {
+		repl.Stop()
+	})
+}
+
+func ExecJsFile(ethereum *eth.Ethereum, InputFile string) {
+	file, err := os.Open(InputFile)
+	if err != nil {
+		logger.Fatalln(err)
+	}
+	content, err := ioutil.ReadAll(file)
+	if err != nil {
+		logger.Fatalln(err)
+	}
+	re := javascript.NewJSRE(ethereum)
+	utils.RegisterInterrupt(func(os.Signal) {
+		re.Stop()
+	})
+	re.Run(string(content))
+}

cmd/ethereum/flags.go

@@ -0,0 +1,103 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"os/user"
+	"path"
+
+	"github.com/ethereum/go-ethereum/ethlog"
+	"github.com/ethereum/go-ethereum/vm"
+)
+
+var (
+	Identifier      string
+	KeyRing         string
+	DiffTool        bool
+	DiffType        string
+	KeyStore        string
+	StartRpc        bool
+	StartWebSockets bool
+	RpcPort         int
+	UseUPnP         bool
+	OutboundPort    string
+	ShowGenesis     bool
+	AddPeer         string
+	MaxPeer         int
+	GenAddr         bool
+	UseSeed         bool
+	SecretFile      string
+	ExportDir       string
+	NonInteractive  bool
+	Datadir         string
+	LogFile         string
+	ConfigFile      string
+	DebugFile       string
+	LogLevel        int
+	Dump            bool
+	DumpHash        string
+	DumpNumber      int
+	VmType          int
+)
+
+// flags specific to cli client
+var (
+	StartMining    bool
+	StartJsConsole bool
+	InputFile      string
+)
+
+func defaultDataDir() string {
+	usr, _ := user.Current()
+	return path.Join(usr.HomeDir, ".ethereum")
+}
+
+var defaultConfigFile = path.Join(defaultDataDir(), "conf.ini")
+
+func Init() {
+	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 (db)")
+	flag.StringVar(&OutboundPort, "port", "30303", "listening port")
+	flag.BoolVar(&UseUPnP, "upnp", false, "enable UPnP support")
+	flag.IntVar(&MaxPeer, "maxpeer", 10, "maximum desired peers")
+	flag.IntVar(&RpcPort, "rpcport", 8080, "port to start json-rpc server on")
+	flag.BoolVar(&StartRpc, "rpc", false, "start rpc server")
+	flag.BoolVar(&StartWebSockets, "ws", false, "start websocket server")
+	flag.BoolVar(&NonInteractive, "y", false, "non-interactive mode (say yes to confirmations)")
+	flag.BoolVar(&UseSeed, "seed", true, "seed peers")
+	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", 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(ethlog.InfoLevel), "loglevel: 0-5: silent,error,warn,info,debug,debug detail)")
+	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.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 dagger mining")
+	flag.BoolVar(&StartJsConsole, "js", false, "launches javascript console")
+
+	flag.Parse()
+
+	if VmType >= int(vm.MaxVmTy) {
+		log.Fatal("Invalid VM type ", VmType)
+	}
+
+	InputFile = flag.Arg(0)
+}

cmd/ethereum/main.go

@@ -0,0 +1,115 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"runtime"
+
+	"github.com/ethereum/go-ethereum/ethchain"
+	"github.com/ethereum/go-ethereum/ethlog"
+	"github.com/ethereum/go-ethereum/ethutil"
+	"github.com/ethereum/go-ethereum/utils"
+)
+
+const (
+	ClientIdentifier = "Ethereum(G)"
+	Version          = "0.7.0"
+)
+
+var logger = ethlog.NewLogger("CLI")
+
+func main() {
+	runtime.GOMAXPROCS(runtime.NumCPU())
+
+	utils.HandleInterrupt()
+
+	// precedence: code-internal flag default < config file < environment variables < command line
+	Init() // parsing command line
+
+	// If the difftool option is selected ignore all other log output
+	if DiffTool || Dump {
+		LogLevel = 0
+	}
+
+	utils.InitConfig(VmType, ConfigFile, Datadir, "ETH")
+	ethutil.Config.Diff = DiffTool
+	ethutil.Config.DiffType = DiffType
+
+	utils.InitDataDir(Datadir)
+
+	utils.InitLogging(Datadir, LogFile, LogLevel, DebugFile)
+
+	db := utils.NewDatabase()
+	err := utils.DBSanityCheck(db)
+	if err != nil {
+		fmt.Println(err)
+
+		os.Exit(1)
+	}
+
+	keyManager := utils.NewKeyManager(KeyStore, Datadir, db)
+
+	// create, import, export keys
+	utils.KeyTasks(keyManager, KeyRing, GenAddr, SecretFile, ExportDir, NonInteractive)
+
+	clientIdentity := utils.NewClientIdentity(ClientIdentifier, Version, Identifier)
+
+	ethereum := utils.NewEthereum(db, clientIdentity, keyManager, UseUPnP, OutboundPort, MaxPeer)
+
+	if Dump {
+		var block *ethchain.Block
+
+		if len(DumpHash) == 0 && DumpNumber == -1 {
+			block = ethereum.ChainManager().CurrentBlock
+		} else if len(DumpHash) > 0 {
+			block = ethereum.ChainManager().GetBlock(ethutil.Hex2Bytes(DumpHash))
+		} else {
+			block = ethereum.ChainManager().GetBlockByNumber(uint64(DumpNumber))
+		}
+
+		if block == nil {
+			fmt.Fprintln(os.Stderr, "block not found")
+
+			// We want to output valid JSON
+			fmt.Println("{}")
+
+			os.Exit(1)
+		}
+
+		fmt.Printf("RLP: %x\nstate: %x\nhash: %x\n", ethutil.Rlp(block), block.GetRoot(), block.Hash())
+
+		// Leave the Println. This needs clean output for piping
+		fmt.Printf("%s\n", block.State().Dump())
+
+		os.Exit(0)
+	}
+
+	if ShowGenesis {
+		utils.ShowGenesis(ethereum)
+	}
+
+	if StartMining {
+		utils.StartMining(ethereum)
+	}
+
+	// better reworked as cases
+	if StartJsConsole {
+		InitJsConsole(ethereum)
+	} else if len(InputFile) > 0 {
+		ExecJsFile(ethereum, InputFile)
+	}
+
+	if StartRpc {
+		utils.StartRpc(ethereum, RpcPort)
+	}
+
+	if StartWebSockets {
+		utils.StartWebSockets(ethereum)
+	}
+
+	utils.StartEthereum(ethereum, UseSeed)
+
+	// this blocks the thread
+	ethereum.WaitForShutdown()
+	ethlog.Flush()
+}

cmd/ethereum/repl/console_colors_windows.go

@@ -0,0 +1,80 @@
+/* Inspired by https://github.com/xuyu/logging/blob/master/colorful_win.go */
+
+package ethrepl
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+type color uint16
+
+const (
+	green  = color(0x0002)
+	red    = color(0x0004)
+	yellow = color(0x000E)
+)
+
+const (
+	mask = uint16(yellow | green | red)
+)
+
+var (
+	kernel32                       = syscall.NewLazyDLL("kernel32.dll")
+	procGetStdHandle               = kernel32.NewProc("GetStdHandle")
+	procSetConsoleTextAttribute    = kernel32.NewProc("SetConsoleTextAttribute")
+	procGetConsoleScreenBufferInfo = kernel32.NewProc("GetConsoleScreenBufferInfo")
+	hStdout                        uintptr
+	initScreenInfo                 *consoleScreenBufferInfo
+)
+
+func setConsoleTextAttribute(hConsoleOutput uintptr, wAttributes uint16) bool {
+	ret, _, _ := procSetConsoleTextAttribute.Call(hConsoleOutput, uintptr(wAttributes))
+	return ret != 0
+}
+
+type coord struct {
+	X, Y int16
+}
+
+type smallRect struct {
+	Left, Top, Right, Bottom int16
+}
+
+type consoleScreenBufferInfo struct {
+	DwSize              coord
+	DwCursorPosition    coord
+	WAttributes         uint16
+	SrWindow            smallRect
+	DwMaximumWindowSize coord
+}
+
+func getConsoleScreenBufferInfo(hConsoleOutput uintptr) *consoleScreenBufferInfo {
+	var csbi consoleScreenBufferInfo
+	ret, _, _ := procGetConsoleScreenBufferInfo.Call(hConsoleOutput, uintptr(unsafe.Pointer(&csbi)))
+	if ret == 0 {
+		return nil
+	}
+	return &csbi
+}
+
+const (
+	stdOutputHandle = uint32(-11 & 0xFFFFFFFF)
+)
+
+func init() {
+	hStdout, _, _ = procGetStdHandle.Call(uintptr(stdOutputHandle))
+	initScreenInfo = getConsoleScreenBufferInfo(hStdout)
+}
+
+func resetColorful() {
+	if initScreenInfo == nil {
+		return
+	}
+	setConsoleTextAttribute(hStdout, initScreenInfo.WAttributes)
+}
+
+func changeColor(c color) {
+	attr := uint16(0) & ^mask | uint16(c)
+	setConsoleTextAttribute(hStdout, attr)
+}

cmd/ethereum/repl/repl.go

@@ -0,0 +1,85 @@
+package ethrepl
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os"
+	"path"
+
+	"github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/ethlog"
+	"github.com/ethereum/go-ethereum/ethutil"
+	"github.com/ethereum/go-ethereum/javascript"
+)
+
+var logger = ethlog.NewLogger("REPL")
+
+type Repl interface {
+	Start()
+	Stop()
+}
+
+type JSRepl struct {
+	re *javascript.JSRE
+
+	prompt string
+
+	history *os.File
+
+	running bool
+}
+
+func NewJSRepl(ethereum *eth.Ethereum) *JSRepl {
+	hist, err := os.OpenFile(path.Join(ethutil.Config.ExecPath, "history"), os.O_RDWR|os.O_CREATE, os.ModePerm)
+	if err != nil {
+		panic(err)
+	}
+
+	return &JSRepl{re: javascript.NewJSRE(ethereum), prompt: "> ", history: hist}
+}
+
+func (self *JSRepl) Start() {
+	if !self.running {
+		self.running = true
+		logger.Infoln("init JS Console")
+		reader := bufio.NewReader(self.history)
+		for {
+			line, err := reader.ReadString('\n')
+			if err != nil && err == io.EOF {
+				break
+			} else if err != nil {
+				fmt.Println("error reading history", err)
+				break
+			}
+
+			addHistory(line[:len(line)-1])
+		}
+		self.read()
+	}
+}
+
+func (self *JSRepl) Stop() {
+	if self.running {
+		self.running = false
+		self.re.Stop()
+		logger.Infoln("exit JS Console")
+		self.history.Close()
+	}
+}
+
+func (self *JSRepl) parseInput(code string) {
+	defer func() {
+		if r := recover(); r != nil {
+			fmt.Println("[native] error", r)
+		}
+	}()
+
+	value, err := self.re.Run(code)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	self.PrintValue(value)
+}

cmd/ethereum/repl/repl_darwin.go

@@ -0,0 +1,127 @@
+package ethrepl
+
+// #cgo darwin CFLAGS: -I/usr/local/opt/readline/include
+// #cgo darwin LDFLAGS: -L/usr/local/opt/readline/lib
+// #cgo LDFLAGS: -lreadline
+// #include <stdio.h>
+// #include <stdlib.h>
+// #include <readline/readline.h>
+// #include <readline/history.h>
+import "C"
+import (
+	"fmt"
+	"os"
+	"os/signal"
+	"strings"
+	"syscall"
+	"unsafe"
+)
+
+func initReadLine() {
+	C.rl_catch_sigwinch = 0
+	C.rl_catch_signals = 0
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, syscall.SIGWINCH)
+	signal.Notify(c, os.Interrupt)
+	go func() {
+		for sig := range c {
+			switch sig {
+			case syscall.SIGWINCH:
+				C.rl_resize_terminal()
+
+			case os.Interrupt:
+				C.rl_cleanup_after_signal()
+			default:
+
+			}
+		}
+	}()
+}
+
+func readLine(prompt *string) *string {
+	var p *C.char
+
+	//readline allows an empty prompt(NULL)
+	if prompt != nil {
+		p = C.CString(*prompt)
+	}
+
+	ret := C.readline(p)
+
+	if p != nil {
+		C.free(unsafe.Pointer(p))
+	}
+
+	if ret == nil {
+		return nil
+	} //EOF
+
+	s := C.GoString(ret)
+	C.free(unsafe.Pointer(ret))
+	return &s
+}
+
+func addHistory(s string) {
+	p := C.CString(s)
+	C.add_history(p)
+	C.free(unsafe.Pointer(p))
+}
+
+var indentCount = 0
+var str = ""
+
+func (self *JSRepl) setIndent() {
+	open := strings.Count(str, "{")
+	open += strings.Count(str, "(")
+	closed := strings.Count(str, "}")
+	closed += strings.Count(str, ")")
+	indentCount = open - closed
+	if indentCount <= 0 {
+		self.prompt = "> "
+	} else {
+		self.prompt = strings.Join(make([]string, indentCount*2), "..")
+		self.prompt += " "
+	}
+}
+
+func (self *JSRepl) read() {
+	initReadLine()
+L:
+	for {
+		switch result := readLine(&self.prompt); true {
+		case result == nil:
+			break L
+
+		case *result != "":
+			str += *result + "\n"
+
+			self.setIndent()
+
+			if indentCount <= 0 {
+				if *result == "exit" {
+					self.Stop()
+					break L
+				}
+
+				hist := str[:len(str)-1]
+				addHistory(hist) //allow user to recall this line
+				self.history.WriteString(str)
+
+				self.parseInput(str)
+
+				str = ""
+			}
+		}
+	}
+}
+
+func (self *JSRepl) PrintValue(v interface{}) {
+	method, _ := self.re.Vm.Get("prettyPrint")
+	v, err := self.re.Vm.ToValue(v)
+	if err == nil {
+		val, err := method.Call(method, v)
+		if err == nil {
+			fmt.Printf("%v", val)
+		}
+	}
+}

cmd/ethereum/repl/repl_linux.go

@@ -0,0 +1 @@
+repl_darwin.go

cmd/ethereum/repl/repl_windows.go

@@ -0,0 +1,75 @@
+package ethrepl
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+)
+
+func (self *JSRepl) read() {
+	reader := bufio.NewReader(os.Stdin)
+	for {
+		fmt.Printf(self.prompt)
+		str, _, err := reader.ReadLine()
+		if err != nil {
+			fmt.Println("Error reading input", err)
+		} else {
+			if (string(str) == "exit") {
+				self.Stop()
+				break
+			} else {
+				self.parseInput(string(str))
+			}
+		}
+	}
+}
+
+func addHistory(s string) {
+}
+
+func printColored(outputVal string) {
+	for ; outputVal != "" ; {
+		codePart := ""
+		if (strings.HasPrefix(outputVal, "\033[32m")) {
+			codePart = "\033[32m"
+			changeColor(2)
+		}
+		if (strings.HasPrefix(outputVal, "\033[1m\033[30m")) {
+			codePart = "\033[1m\033[30m"
+			changeColor(8)
+		}
+		if (strings.HasPrefix(outputVal, "\033[31m")) {
+			codePart = "\033[31m"
+			changeColor(red)
+		}
+		if (strings.HasPrefix(outputVal, "\033[35m")) {
+			codePart = "\033[35m"
+			changeColor(5)
+		}
+		if (strings.HasPrefix(outputVal, "\033[0m")) {
+			codePart = "\033[0m"
+			resetColorful()
+		}
+		textPart := outputVal[len(codePart):len(outputVal)]
+		index := strings.Index(textPart, "\033")
+		if index == -1 {
+			outputVal = ""
+		} else {
+			outputVal = textPart[index:len(textPart)]
+			textPart = textPart[0:index]
+		}
+		fmt.Printf("%v", textPart)
+	}
+}
+
+func (self *JSRepl) PrintValue(v interface{}) {
+	method, _ := self.re.Vm.Get("prettyPrint")
+	v, err := self.re.Vm.ToValue(v)
+	if err == nil {
+		val, err := method.Call(method, v)
+		if err == nil {
+			printColored(fmt.Sprintf("%v", val))
+		}
+	}
+}