Merge pull request #485 from ethersphere/frontier/nodeadmin.js

Frontier console node admin interface

cmd/ethereum/admin.go

+package main
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/ethereum/go-ethereum/cmd/utils"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/rlp"
+	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/ethereum/go-ethereum/state"
+	"github.com/ethereum/go-ethereum/xeth"
+	"github.com/obscuren/otto"
+)
+
+/*
+node admin bindings
+*/
+
+func (js *jsre) adminBindings() {
+	js.re.Set("admin", struct{}{})
+	t, _ := js.re.Get("admin")
+	admin := t.Object()
+	admin.Set("suggestPeer", js.suggestPeer)
+	admin.Set("startRPC", js.startRPC)
+	admin.Set("startMining", js.startMining)
+	admin.Set("stopMining", js.stopMining)
+	admin.Set("nodeInfo", js.nodeInfo)
+	admin.Set("peers", js.peers)
+	admin.Set("newAccount", js.newAccount)
+	admin.Set("unlock", js.unlock)
+	admin.Set("import", js.importChain)
+	admin.Set("export", js.exportChain)
+	admin.Set("dumpBlock", js.dumpBlock)
+}
+
+func (js *jsre) startMining(call otto.FunctionCall) otto.Value {
+	_, err := call.Argument(0).ToInteger()
+	if err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+	// threads now ignored
+	err = js.ethereum.StartMining()
+	if err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+	return otto.TrueValue()
+}
+
+func (js *jsre) stopMining(call otto.FunctionCall) otto.Value {
+	js.ethereum.StopMining()
+	return otto.TrueValue()
+}
+
+func (js *jsre) startRPC(call otto.FunctionCall) otto.Value {
+	addr, err := call.Argument(0).ToString()
+	if err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+	port, err := call.Argument(1).ToInteger()
+	if err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+	dataDir := js.ethereum.DataDir
+
+	l, err := net.Listen("tcp", fmt.Sprintf("%s:%d", addr, port))
+	if err != nil {
+		fmt.Printf("Can't listen on %s:%d: %v", addr, port, err)
+		return otto.FalseValue()
+	}
+	go http.Serve(l, rpc.JSONRPC(xeth.New(js.ethereum, nil), dataDir))
+	return otto.TrueValue()
+}
+
+func (js *jsre) suggestPeer(call otto.FunctionCall) otto.Value {
+	nodeURL, err := call.Argument(0).ToString()
+	if err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+	err = js.ethereum.SuggestPeer(nodeURL)
+	if err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+	return otto.TrueValue()
+}
+
+func (js *jsre) unlock(call otto.FunctionCall) otto.Value {
+	addr, err := call.Argument(0).ToString()
+	if err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+	seconds, err := call.Argument(2).ToInteger()
+	if err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+	arg := call.Argument(1)
+	var passphrase string
+	if arg.IsUndefined() {
+		fmt.Println("Please enter a passphrase now.")
+		passphrase, err = readPassword("Passphrase: ", true)
+		if err != nil {
+			utils.Fatalf("%v", err)
+		}
+	} else {
+		passphrase, err = arg.ToString()
+		if err != nil {
+			fmt.Println(err)
+			return otto.FalseValue()
+		}
+	}
+	am := js.ethereum.AccountManager()
+	// err := am.Unlock(common.FromHex(split[0]), split[1])
+	// if err != nil {
+	// 	utils.Fatalf("Unlock account failed '%v'", err)
+	// }
+	err = am.TimedUnlock(common.FromHex(addr), passphrase, time.Duration(seconds)*time.Second)
+	if err != nil {
+		fmt.Printf("Unlock account failed '%v'\n", err)
+		return otto.FalseValue()
+	}
+	return otto.TrueValue()
+}
+
+func (js *jsre) newAccount(call otto.FunctionCall) otto.Value {
+	arg := call.Argument(0)
+	var passphrase string
+	if arg.IsUndefined() {
+		fmt.Println("The new account will be encrypted with a passphrase.")
+		fmt.Println("Please enter a passphrase now.")
+		auth, err := readPassword("Passphrase: ", true)
+		if err != nil {
+			utils.Fatalf("%v", err)
+		}
+		confirm, err := readPassword("Repeat Passphrase: ", false)
+		if err != nil {
+			utils.Fatalf("%v", err)
+		}
+		if auth != confirm {
+			utils.Fatalf("Passphrases did not match.")
+		}
+		passphrase = auth
+	} else {
+		var err error
+		passphrase, err = arg.ToString()
+		if err != nil {
+			fmt.Println(err)
+			return otto.FalseValue()
+		}
+	}
+	acct, err := js.ethereum.AccountManager().NewAccount(passphrase)
+	if err != nil {
+		fmt.Printf("Could not create the account: %v", err)
+		return otto.UndefinedValue()
+	}
+	return js.re.ToVal(common.Bytes2Hex(acct.Address))
+}
+
+func (js *jsre) nodeInfo(call otto.FunctionCall) otto.Value {
+	return js.re.ToVal(js.ethereum.NodeInfo())
+}
+
+func (js *jsre) peers(call otto.FunctionCall) otto.Value {
+	return js.re.ToVal(js.ethereum.PeersInfo())
+}
+
+func (js *jsre) importChain(call otto.FunctionCall) otto.Value {
+	if len(call.ArgumentList) == 0 {
+		fmt.Println("err: require file name")
+		return otto.FalseValue()
+	}
+
+	fn, err := call.Argument(0).ToString()
+	if err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+
+	var fh *os.File
+	fh, err = os.OpenFile(fn, os.O_RDONLY, os.ModePerm)
+	if err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+	defer fh.Close()
+
+	var blocks types.Blocks
+	if err = rlp.Decode(fh, &blocks); err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+
+	js.ethereum.ChainManager().Reset()
+	if err = js.ethereum.ChainManager().InsertChain(blocks); err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+
+	return otto.TrueValue()
+}
+
+func (js *jsre) exportChain(call otto.FunctionCall) otto.Value {
+	if len(call.ArgumentList) == 0 {
+		fmt.Println("err: require file name")
+		return otto.FalseValue()
+	}
+
+	fn, err := call.Argument(0).ToString()
+	if err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+
+	data := js.ethereum.ChainManager().Export()
+	if err := common.WriteFile(fn, data); err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+
+	return otto.TrueValue()
+}
+
+func (js *jsre) dumpBlock(call otto.FunctionCall) otto.Value {
+	var block *types.Block
+	if len(call.ArgumentList) > 0 {
+		if call.Argument(0).IsNumber() {
+			num, _ := call.Argument(0).ToInteger()
+			block = js.ethereum.ChainManager().GetBlockByNumber(uint64(num))
+		} else if call.Argument(0).IsString() {
+			hash, _ := call.Argument(0).ToString()
+			block = js.ethereum.ChainManager().GetBlock(common.Hex2Bytes(hash))
+		} else {
+			fmt.Println("invalid argument for dump. Either hex string or number")
+		}
+
+	} else {
+		block = js.ethereum.ChainManager().CurrentBlock()
+	}
+	if block == nil {
+		fmt.Println("block not found")
+		return otto.UndefinedValue()
+	}
+
+	statedb := state.New(block.Root(), js.ethereum.StateDb())
+	dump := statedb.RawDump()
+	return js.re.ToVal(dump)
+
+}

cmd/ethereum/js.go

@@ -20,18 +20,16 @@ package main
 import (
 	"bufio"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path"
 	"strings"
 
+	"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/common"
-	"github.com/ethereum/go-ethereum/javascript"
-	"github.com/ethereum/go-ethereum/state"
+	re "github.com/ethereum/go-ethereum/jsre"
+	"github.com/ethereum/go-ethereum/rpc"
 	"github.com/ethereum/go-ethereum/xeth"
-	"github.com/obscuren/otto"
 	"github.com/peterh/liner"
 )
 
@@ -59,7 +57,7 @@ func (r dumbterm) PasswordPrompt(p string) (string, error) {
 func (r dumbterm) AppendHistory(string) {}
 
 type jsre struct {
-	re       *javascript.JSRE
+	re       *re.JSRE
 	ethereum *eth.Ethereum
 	xeth     *xeth.XEth
 	ps1      string
@@ -68,11 +66,12 @@ type jsre struct {
 	prompter
 }
 
-func newJSRE(ethereum *eth.Ethereum) *jsre {
+func newJSRE(ethereum *eth.Ethereum, libPath string) *jsre {
 	js := &jsre{ethereum: ethereum, ps1: "> "}
 	js.xeth = xeth.New(ethereum, js)
-	js.re = javascript.NewJSRE(js.xeth)
-	js.initStdFuncs()
+	js.re = re.New(libPath)
+	js.apiBindings()
+	js.adminBindings()
 
 	if !liner.TerminalSupported() {
 		js.prompter = dumbterm{bufio.NewReader(os.Stdin)}
@@ -89,6 +88,49 @@ func newJSRE(ethereum *eth.Ethereum) *jsre {
 	return js
 }
 
+func (js *jsre) apiBindings() {
+
+	ethApi := rpc.NewEthereumApi(js.xeth, js.ethereum.DataDir)
+	js.re.Bind("jeth", rpc.NewJeth(ethApi, js.re.ToVal))
+
+	_, err := js.re.Eval(re.BigNumber_JS)
+
+	if err != nil {
+		utils.Fatalf("Error loading bignumber.js: %v", err)
+	}
+
+	// we need to declare a dummy setTimeout. Otto does not support it
+	_, err = js.re.Eval("setTimeout = function(cb, delay) {};")
+	if err != nil {
+		utils.Fatalf("Error defining setTimeout: %v", err)
+	}
+
+	_, err = js.re.Eval(re.Ethereum_JS)
+	if err != nil {
+		utils.Fatalf("Error loading ethereum.js: %v", err)
+	}
+
+	_, err = js.re.Eval("var web3 = require('web3');")
+	if err != nil {
+		utils.Fatalf("Error requiring web3: %v", err)
+	}
+
+	_, err = js.re.Eval("web3.setProvider(jeth)")
+	if err != nil {
+		utils.Fatalf("Error setting web3 provider: %v", err)
+	}
+	_, err = js.re.Eval(`
+	var eth = web3.eth;
+  var shh = web3.shh;
+  var db  = web3.db;
+  var net = web3.net;
+  `)
+	if err != nil {
+		utils.Fatalf("Error setting namespaces: %v", err)
+	}
+
+}
+
 func (self *jsre) ConfirmTransaction(tx *types.Transaction) bool {
 	p := fmt.Sprintf("Confirm Transaction %v\n[y/n] ", tx)
 	answer, _ := self.Prompt(p)
@@ -111,15 +153,7 @@ func (self *jsre) UnlockAccount(addr []byte) bool {
 }
 
 func (self *jsre) exec(filename string) error {
-	file, err := os.Open(filename)
-	if err != nil {
-		return err
-	}
-	content, err := ioutil.ReadAll(file)
-	if err != nil {
-		return err
-	}
-	if _, err := self.re.Run(string(content)); err != nil {
+	if err := self.re.Exec(filename); err != nil {
 		return fmt.Errorf("Javascript Error: %v", err)
 	}
 	return nil
@@ -193,102 +227,8 @@ func (self *jsre) setIndent() {
 }
 
 func (self *jsre) printValue(v interface{}) {
-	method, _ := self.re.Vm.Get("prettyPrint")
-	v, err := self.re.Vm.ToValue(v)
+	val, err := self.re.PrettyPrint(v)
 	if err == nil {
-		val, err := method.Call(method, v)
-		if err == nil {
-			fmt.Printf("%v", val)
-		}
-	}
-}
-
-func (self *jsre) initStdFuncs() {
-	t, _ := self.re.Vm.Get("eth")
-	eth := t.Object()
-	eth.Set("connect", self.connect)
-	eth.Set("stopMining", self.stopMining)
-	eth.Set("startMining", self.startMining)
-	eth.Set("dump", self.dump)
-	eth.Set("export", self.export)
-}
-
-/*
- * The following methods are natively implemented javascript functions.
- */
-
-func (self *jsre) dump(call otto.FunctionCall) otto.Value {
-	var block *types.Block
-
-	if len(call.ArgumentList) > 0 {
-		if call.Argument(0).IsNumber() {
-			num, _ := call.Argument(0).ToInteger()
-			block = self.ethereum.ChainManager().GetBlockByNumber(uint64(num))
-		} else if call.Argument(0).IsString() {
-			hash, _ := call.Argument(0).ToString()
-			block = self.ethereum.ChainManager().GetBlock(common.Hex2Bytes(hash))
-		} else {
-			fmt.Println("invalid argument for dump. Either hex string or number")
-		}
-
-		if block == nil {
-			fmt.Println("block not found")
-
-			return otto.UndefinedValue()
-		}
-
-	} else {
-		block = self.ethereum.ChainManager().CurrentBlock()
-	}
-
-	statedb := state.New(block.Root(), self.ethereum.StateDb())
-
-	v, _ := self.re.Vm.ToValue(statedb.RawDump())
-
-	return v
-}
-
-func (self *jsre) stopMining(call otto.FunctionCall) otto.Value {
-	self.ethereum.StopMining()
-	return otto.TrueValue()
-}
-
-func (self *jsre) startMining(call otto.FunctionCall) otto.Value {
-	if err := self.ethereum.StartMining(); err != nil {
-		return otto.FalseValue()
-	}
-	return otto.TrueValue()
-}
-
-func (self *jsre) connect(call otto.FunctionCall) otto.Value {
-	nodeURL, err := call.Argument(0).ToString()
-	if err != nil {
-		return otto.FalseValue()
-	}
-	if err := self.ethereum.SuggestPeer(nodeURL); err != nil {
-		return otto.FalseValue()
-	}
-	return otto.TrueValue()
-}
-
-func (self *jsre) export(call otto.FunctionCall) otto.Value {
-	if len(call.ArgumentList) == 0 {
-		fmt.Println("err: require file name")
-		return otto.FalseValue()
-	}
-
-	fn, err := call.Argument(0).ToString()
-	if err != nil {
-		fmt.Println(err)
-		return otto.FalseValue()
-	}
-
-	data := self.ethereum.ChainManager().Export()
-
-	if err := common.WriteFile(fn, data); err != nil {
-		fmt.Println(err)
-		return otto.FalseValue()
+		fmt.Printf("%v", val)
 	}
-
-	return otto.TrueValue()
 }

cmd/ethereum/js_test.go

+package main
+
+import (
+	"fmt"
+	"github.com/obscuren/otto"
+	"os"
+	"path"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/accounts"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/eth"
+)
+
+var port = 30300
+
+func testJEthRE(t *testing.T) (repl *jsre, ethereum *eth.Ethereum, err error) {
+	os.RemoveAll("/tmp/eth/")
+	err = os.MkdirAll("/tmp/eth/keys/e273f01c99144c438695e10f24926dc1f9fbf62d/", os.ModePerm)
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+	err = os.MkdirAll("/tmp/eth/data", os.ModePerm)
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+	// FIXME: this does not work ATM
+	ks := crypto.NewKeyStorePlain("/tmp/eth/keys")
+	common.WriteFile("/tmp/eth/keys/e273f01c99144c438695e10f24926dc1f9fbf62d/e273f01c99144c438695e10f24926dc1f9fbf62d",
+		[]byte(`{"Id":"RhRXD+fNRKS4jx+7ZfEsNA==","Address":"4nPwHJkUTEOGleEPJJJtwfn79i0=","PrivateKey":"h4ACVpe74uIvi5Cg/2tX/Yrm2xdr3J7QoMbMtNX2CNc="}`))
+
+	port++
+	ethereum, err = eth.New(&eth.Config{
+		DataDir:        "/tmp/eth",
+		AccountManager: accounts.NewManager(ks),
+		Port:           fmt.Sprintf("%d", port),
+		MaxPeers:       10,
+		Name:           "test",
+	})
+
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+	assetPath := path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "cmd", "mist", "assets", "ext")
+	repl = newJSRE(ethereum, assetPath)
+	return
+}
+
+func TestNodeInfo(t *testing.T) {
+	repl, ethereum, err := testJEthRE(t)
+	if err != nil {
+		t.Errorf("error creating jsre, got %v", err)
+		return
+	}
+	err = ethereum.Start()
+	if err != nil {
+		t.Errorf("error starting ethereum: %v", err)
+		return
+	}
+	defer ethereum.Stop()
+
+	val, err := repl.re.Run("admin.nodeInfo()")
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	exp, err := val.Export()
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	nodeInfo, ok := exp.(*eth.NodeInfo)
+	if !ok {
+		t.Errorf("expected nodeInfo, got %v", err)
+	}
+	exp = "test"
+	got := nodeInfo.Name
+	if exp != got {
+		t.Errorf("expected %v, got %v", exp, got)
+	}
+	exp = 30301
+	port := nodeInfo.DiscPort
+	if exp != port {
+		t.Errorf("expected %v, got %v", exp, port)
+	}
+	exp = 30301
+	port = nodeInfo.TCPPort
+	if exp != port {
+		t.Errorf("expected %v, got %v", exp, port)
+	}
+}
+
+func TestAccounts(t *testing.T) {
+	repl, ethereum, err := testJEthRE(t)
+	if err != nil {
+		t.Errorf("error creating jsre, got %v", err)
+		return
+	}
+	err = ethereum.Start()
+	if err != nil {
+		t.Errorf("error starting ethereum: %v", err)
+		return
+	}
+	defer ethereum.Stop()
+
+	val, err := repl.re.Run("eth.coinbase")
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+
+	pp, err := repl.re.PrettyPrint(val)
+	if err != nil {
+		t.Errorf("%v", err)
+	}
+
+	if !val.IsString() {
+		t.Errorf("incorrect type, expected string, got %v: %v", val, pp)
+	}
+	strVal, _ := val.ToString()
+	expected := "0xe273f01c99144c438695e10f24926dc1f9fbf62d"
+	if strVal != expected {
+		t.Errorf("incorrect result, expected %s, got %v", expected, strVal)
+	}
+
+	val, err = repl.re.Run(`admin.newAccount("password")`)
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	addr, err := val.ToString()
+	if err != nil {
+		t.Errorf("expected string, got %v", err)
+	}
+
+	val, err = repl.re.Run("eth.accounts")
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	exp, err := val.Export()
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	addrs, ok := exp.([]string)
+	if !ok {
+		t.Errorf("expected []string, got %v", err)
+	}
+	if len(addrs) != 2 || (addr != addrs[0][2:] && addr != addrs[1][2:]) {
+		t.Errorf("expected addrs == [<default>, <new>], got %v (%v)", addrs, addr)
+	}
+
+}
+
+func TestBlockChain(t *testing.T) {
+	repl, ethereum, err := testJEthRE(t)
+	if err != nil {
+		t.Errorf("error creating jsre, got %v", err)
+		return
+	}
+	err = ethereum.Start()
+	if err != nil {
+		t.Errorf("error starting ethereum: %v", err)
+		return
+	}
+	defer ethereum.Stop()
+
+	// should get current block
+	val0, err := repl.re.Run("admin.dumpBlock()")
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+
+	fn := "/tmp/eth/data/blockchain.0"
+	_, err = repl.re.Run("admin.export(\"" + fn + "\")")
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	if _, err = os.Stat(fn); err != nil {
+		t.Errorf("expected no error on file, got %v", err)
+	}
+
+	_, err = repl.re.Run("admin.import(\"" + fn + "\")")
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+
+	var val1 otto.Value
+
+	// should get current block
+	val1, err = repl.re.Run("admin.dumpBlock()")
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+
+	// FIXME: neither != , nor reflect.DeepEqual works, doing string comparison
+	v0 := fmt.Sprintf("%v", val0)
+	v1 := fmt.Sprintf("%v", val1)
+	if v0 != v1 {
+		t.Errorf("expected same head after export-import, got %v (!=%v)", v1, v0)
+	}
+}
+
+func TestMining(t *testing.T) {
+	repl, ethereum, err := testJEthRE(t)
+	if err != nil {
+		t.Errorf("error creating jsre, got %v", err)
+		return
+	}
+	err = ethereum.Start()
+	if err != nil {
+		t.Errorf("error starting ethereum: %v", err)
+		return
+	}
+	defer ethereum.Stop()
+
+	val, err := repl.re.Run("eth.mining")
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	var mining bool
+	mining, err = val.ToBoolean()
+	if err != nil {
+		t.Errorf("expected boolean, got %v", err)
+	}
+	if mining {
+		t.Errorf("expected false (not mining), got true")
+	}
+
+}
+
+func TestRPC(t *testing.T) {
+	repl, ethereum, err := testJEthRE(t)
+	if err != nil {
+		t.Errorf("error creating jsre, got %v", err)
+		return
+	}
+	err = ethereum.Start()
+	if err != nil {
+		t.Errorf("error starting ethereum: %v", err)
+		return
+	}
+	defer ethereum.Stop()
+
+	val, err := repl.re.Run(`admin.startRPC("127.0.0.1", 5004)`)
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	success, _ := val.ToBoolean()
+	if !success {
+		t.Errorf("expected true (started), got false")
+	}
+}

cmd/ethereum/main.go

@@ -31,9 +31,9 @@ import (
 
 	"github.com/codegangsta/cli"
 	"github.com/ethereum/go-ethereum/cmd/utils"
+	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/eth"
-	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/state"
 	"github.com/peterh/liner"
@@ -89,16 +89,20 @@ Use "ethereum dump 0" to dump the genesis block.
 `,
 		},
 		{
-			Action: runjs,
+			Action: console,
+			Name:   "console",
+			Usage:  `Ethereum Console: interactive JavaScript environment`,
+			Description: `
+Console is an interactive shell for the Ethereum JavaScript runtime environment which exposes a node admin interface as well as the DAPP JavaScript API.
+See https://github.com/ethereum/go-ethereum/wiki/Frontier-Console
+`,
+		},
+		{
+			Action: execJSFiles,
 			Name:   "js",
-			Usage:  `interactive JavaScript console`,
+			Usage:  `executes the given JavaScript files in the Ethereum Frontier JavaScript VM`,
 			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.
+The Ethereum JavaScript VM exposes a node admin interface as well as the DAPP JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Frontier-Console
 `,
 		},
 		{
@@ -116,6 +120,7 @@ runtime will execute the file and exit.
 		utils.UnlockedAccountFlag,
 		utils.BootnodesFlag,
 		utils.DataDirFlag,
+		utils.JSpathFlag,
 		utils.ListenPortFlag,
 		utils.LogFileFlag,
 		utils.LogFormatFlag,
@@ -131,6 +136,7 @@ runtime will execute the file and exit.
 		utils.RPCPortFlag,
 		utils.UnencryptedKeysFlag,
 		utils.VMDebugFlag,
+
 		//utils.VMTypeFlag,
 	}
 
@@ -168,7 +174,7 @@ func run(ctx *cli.Context) {
 	ethereum.WaitForShutdown()
 }
 
-func runjs(ctx *cli.Context) {
+func console(ctx *cli.Context) {
 	cfg := utils.MakeEthConfig(ClientIdentifier, Version, ctx)
 	ethereum, err := eth.New(cfg)
 	if err != nil {
@@ -176,14 +182,26 @@ func runjs(ctx *cli.Context) {
 	}
 
 	startEth(ctx, ethereum)
-	repl := newJSRE(ethereum)
-	if len(ctx.Args()) == 0 {
-		repl.interactive()
-	} else {
-		for _, file := range ctx.Args() {
-			repl.exec(file)
-		}
+	repl := newJSRE(ethereum, ctx.String(utils.JSpathFlag.Name))
+	repl.interactive()
+
+	ethereum.Stop()
+	ethereum.WaitForShutdown()
+}
+
+func execJSFiles(ctx *cli.Context) {
+	cfg := utils.MakeEthConfig(ClientIdentifier, Version, ctx)
+	ethereum, err := eth.New(cfg)
+	if err != nil {
+		utils.Fatalf("%v", err)
 	}
+
+	startEth(ctx, ethereum)
+	repl := newJSRE(ethereum, ctx.String(utils.JSpathFlag.Name))
+	for _, file := range ctx.Args() {
+		repl.exec(file)
+	}
+
 	ethereum.Stop()
 	ethereum.WaitForShutdown()
 }

cmd/mist/gui.go

@@ -25,9 +25,7 @@ import "C"
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"math/big"
-	"os"
 	"path"
 	"runtime"
 	"sort"
@@ -99,7 +97,7 @@ func NewWindow(ethereum *eth.Ethereum) *Gui {
 	return gui
 }
 
-func (gui *Gui) Start(assetPath string) {
+func (gui *Gui) Start(assetPath, libPath string) {
 	defer gui.txDb.Close()
 
 	guilogger.Infoln("Starting GUI")
@@ -117,7 +115,7 @@ func (gui *Gui) Start(assetPath string) {
 	// Create a new QML engine
 	gui.engine = qml.NewEngine()
 	context := gui.engine.Context()
-	gui.uiLib = NewUiLib(gui.engine, gui.eth, assetPath)
+	gui.uiLib = NewUiLib(gui.engine, gui.eth, assetPath, libPath)
 	gui.whisper = qwhisper.New(gui.eth.Whisper())
 
 	// Expose the eth library and the ui library to QML
@@ -292,25 +290,6 @@ func (self *Gui) getObjectByName(objectName string) qml.Object {
 	return self.win.Root().ObjectByName(objectName)
 }
 
-func loadJavascriptAssets(gui *Gui) (jsfiles string) {
-	for _, fn := range []string{"ext/q.js", "ext/eth.js/main.js", "ext/eth.js/qt.js", "ext/setup.js"} {
-		f, err := os.Open(gui.uiLib.AssetPath(fn))
-		if err != nil {
-			fmt.Println(err)
-			continue
-		}
-
-		content, err := ioutil.ReadAll(f)
-		if err != nil {
-			fmt.Println(err)
-			continue
-		}
-		jsfiles += string(content)
-	}
-
-	return
-}
-
 func (gui *Gui) SendCommand(cmd ServEv) {
 	gui.serviceEvents <- cmd
 }

cmd/mist/main.go

@@ -65,6 +65,7 @@ func init() {
 		utils.NodeKeyFileFlag,
 		utils.RPCListenAddrFlag,
 		utils.RPCPortFlag,
+		utils.JSpathFlag,
 	}
 }
 
@@ -111,7 +112,7 @@ func run(ctx *cli.Context) {
 		gui := NewWindow(ethereum)
 		utils.RegisterInterrupt(func(os.Signal) { gui.Stop() })
 		// gui blocks the main thread
-		gui.Start(ctx.GlobalString(assetPathFlag.Name))
+		gui.Start(ctx.GlobalString(assetPathFlag.Name), ctx.GlobalString(utils.JSpathFlag.Name))
 		return nil
 	})
 }

cmd/mist/ui_lib.go

@@ -21,7 +21,6 @@
 package main
 
 import (
-	"fmt"
 	"io/ioutil"
 	"path"
 
@@ -29,7 +28,6 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/eth"
 	"github.com/ethereum/go-ethereum/event/filter"
-	"github.com/ethereum/go-ethereum/javascript"
 	"github.com/ethereum/go-ethereum/xeth"
 	"github.com/obscuren/qml"
 )
@@ -49,15 +47,19 @@ type UiLib struct {
 	// The main application window
 	win *qml.Window
 
-	jsEngine *javascript.JSRE
-
 	filterCallbacks map[int][]int
 	filterManager   *filter.FilterManager
 }
 
-func NewUiLib(engine *qml.Engine, eth *eth.Ethereum, assetPath string) *UiLib {
+func NewUiLib(engine *qml.Engine, eth *eth.Ethereum, assetPath, libPath string) *UiLib {
 	x := xeth.New(eth, nil)
-	lib := &UiLib{XEth: x, engine: engine, eth: eth, assetPath: assetPath, jsEngine: javascript.NewJSRE(x), filterCallbacks: make(map[int][]int)} //, filters: make(map[int]*xeth.JSFilter)}
+	lib := &UiLib{
+		XEth:            x,
+		engine:          engine,
+		eth:             eth,
+		assetPath:       assetPath,
+		filterCallbacks: make(map[int][]int),
+	}
 	lib.filterManager = filter.NewFilterManager(eth.EventMux())
 	go lib.filterManager.Start()
 
@@ -76,19 +78,6 @@ func (self *UiLib) ImportTx(rlpTx string) {
 	}
 }
 
-func (self *UiLib) EvalJavascriptFile(path string) {
-	self.jsEngine.LoadExtFile(path[7:])
-}
-
-func (self *UiLib) EvalJavascriptString(str string) string {
-	value, err := self.jsEngine.Run(str)
-	if err != nil {
-		return err.Error()
-	}
-
-	return fmt.Sprintf("%v", value)
-}
-
 func (ui *UiLib) Muted(content string) {
 	component, err := ui.engine.LoadFile(ui.AssetPath("qml/muted.qml"))
 	if err != nil {

cmd/utils/flags.go

@@ -163,6 +163,11 @@ var (
 		Usage: "Port mapping mechanism (any|none|upnp|pmp|extip:<IP>)",
 		Value: "any",
 	}
+	JSpathFlag = cli.StringFlag{
+		Name:  "jspath",
+		Usage: "JS library path to be used with console and js subcommands",
+		Value: ".",
+	}
 )
 
 func GetNAT(ctx *cli.Context) nat.Interface {

eth/backend.go

@@ -219,6 +219,64 @@ func New(config *Config) (*Ethereum, error) {
 	return eth, nil
 }
 
+type NodeInfo struct {
+	Name       string
+	NodeUrl    string
+	NodeID     string
+	IP         string
+	DiscPort   int // UDP listening port for discovery protocol
+	TCPPort    int // TCP listening port for RLPx
+	Td         string
+	ListenAddr string
+}
+
+func (s *Ethereum) NodeInfo() *NodeInfo {
+	node := s.net.Self()
+
+	return &NodeInfo{
+		Name:       s.Name(),
+		NodeUrl:    node.String(),
+		NodeID:     node.ID.String(),
+		IP:         node.IP.String(),
+		DiscPort:   node.DiscPort,
+		TCPPort:    node.TCPPort,
+		ListenAddr: s.net.ListenAddr,
+		Td:         s.ChainManager().Td().String(),
+	}
+}
+
+type PeerInfo struct {
+	ID            string
+	Name          string
+	Caps          string
+	RemoteAddress string
+	LocalAddress  string
+}
+
+func newPeerInfo(peer *p2p.Peer) *PeerInfo {
+	var caps []string
+	for _, cap := range peer.Caps() {
+		caps = append(caps, cap.String())
+	}
+	return &PeerInfo{
+		ID:            peer.ID().String(),
+		Name:          peer.Name(),
+		Caps:          strings.Join(caps, ", "),
+		RemoteAddress: peer.RemoteAddr().String(),
+		LocalAddress:  peer.LocalAddr().String(),
+	}
+}
+
+// PeersInfo returns an array of PeerInfo objects describing connected peers
+func (s *Ethereum) PeersInfo() (peersinfo []*PeerInfo) {
+	for _, peer := range s.net.Peers() {
+		if peer != nil {
+			peersinfo = append(peersinfo, newPeerInfo(peer))
+		}
+	}
+	return
+}
+
 func (s *Ethereum) ResetWithGenesisBlock(gb *types.Block) {
 	s.chainManager.ResetWithGenesisBlock(gb)
 	s.pow.UpdateCache(true)
@@ -251,6 +309,7 @@ func (s *Ethereum) StateDb() common.Database            { return s.stateDb }
 func (s *Ethereum) ExtraDb() common.Database            { return s.extraDb }
 func (s *Ethereum) IsListening() bool                    { return true } // Always listening
 func (s *Ethereum) PeerCount() int                       { return s.net.PeerCount() }
+func (s *Ethereum) PeerInfo() int                        { return s.net.PeerCount() }
 func (s *Ethereum) Peers() []*p2p.Peer                   { return s.net.Peers() }
 func (s *Ethereum) MaxPeers() int                        { return s.net.MaxPeers }
 func (s *Ethereum) Version() string                      { return s.version }
@@ -262,9 +321,11 @@ func (s *Ethereum) Start() error {
 		ProtocolVersion: ProtocolVersion,
 	})
 
-	err := s.net.Start()
-	if err != nil {
-		return err
+	if s.net.MaxPeers > 0 {
+		err := s.net.Start()
+		if err != nil {
+			return err
+		}
 	}
 
 	// Start services
@@ -311,6 +372,7 @@ func (s *Ethereum) Stop() {
 	// Close the database
 	defer s.blockDb.Close()
 	defer s.stateDb.Close()
+	defer s.extraDb.Close()
 
 	s.txSub.Unsubscribe()    // quits txBroadcastLoop
 	s.blockSub.Unsubscribe() // quits blockBroadcastLoop

javascript/javascript_runtime.go

-package javascript
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-	"path"
-	"path/filepath"
-
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/xeth"
-	"github.com/obscuren/otto"
-)
-
-var jsrelogger = logger.NewLogger("JSRE")
-
-type JSRE struct {
-	Vm   *otto.Otto
-	xeth *xeth.XEth
-
-	objectCb map[string][]otto.Value
-}
-
-func (jsre *JSRE) LoadExtFile(path string) {
-	result, err := ioutil.ReadFile(path)
-	if err == nil {
-		jsre.Vm.Run(result)
-	} else {
-		jsrelogger.Infoln("Could not load file:", path)
-	}
-}
-
-func (jsre *JSRE) LoadIntFile(file string) {
-	assetPath := path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "cmd", "mist", "assets", "ext")
-	jsre.LoadExtFile(path.Join(assetPath, file))
-}
-
-func NewJSRE(xeth *xeth.XEth) *JSRE {
-	re := &JSRE{
-		otto.New(),
-		xeth,
-		make(map[string][]otto.Value),
-	}
-
-	// Init the JS lib
-	re.Vm.Run(jsLib)
-
-	// Load extra javascript files
-	re.LoadIntFile("bignumber.min.js")
-
-	re.Bind("eth", &JSEthereum{re.xeth, re.Vm})
-
-	re.initStdFuncs()
-
-	jsrelogger.Infoln("started")
-
-	return re
-}
-
-func (self *JSRE) Bind(name string, v interface{}) {
-	self.Vm.Set(name, v)
-}
-
-func (self *JSRE) Run(code string) (otto.Value, error) {
-	return self.Vm.Run(code)
-}
-
-func (self *JSRE) initStdFuncs() {
-	t, _ := self.Vm.Get("eth")
-	eth := t.Object()
-	eth.Set("require", self.require)
-}
-
-func (self *JSRE) Require(file string) error {
-	if len(filepath.Ext(file)) == 0 {
-		file += ".js"
-	}
-
-	fh, err := os.Open(file)
-	if err != nil {
-		return err
-	}
-
-	content, _ := ioutil.ReadAll(fh)
-	self.Run("exports = {};(function() {" + string(content) + "})();")
-
-	return nil
-}
-
-func (self *JSRE) require(call otto.FunctionCall) otto.Value {
-	file, err := call.Argument(0).ToString()
-	if err != nil {
-		return otto.UndefinedValue()
-	}
-	if err := self.Require(file); err != nil {
-		fmt.Println("err:", err)
-		return otto.UndefinedValue()
-	}
-
-	t, _ := self.Vm.Get("exports")
-
-	return t
-}

javascript/types.go

-package javascript
-
-import (
-	"fmt"
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/state"
-	"github.com/ethereum/go-ethereum/xeth"
-	"github.com/obscuren/otto"
-)
-
-type JSStateObject struct {
-	*xeth.Object
-	eth *JSEthereum
-}
-
-func (self *JSStateObject) EachStorage(call otto.FunctionCall) otto.Value {
-	cb := call.Argument(0)
-
-	it := self.Object.Trie().Iterator()
-	for it.Next() {
-		cb.Call(self.eth.toVal(self), self.eth.toVal(common.Bytes2Hex(it.Key)), self.eth.toVal(common.Bytes2Hex(it.Value)))
-	}
-
-	return otto.UndefinedValue()
-}
-
-// The JSEthereum object attempts to wrap the PEthereum object and returns
-// meaningful javascript objects
-type JSBlock struct {
-	*xeth.Block
-	eth *JSEthereum
-}
-
-func (self *JSBlock) GetTransaction(hash string) otto.Value {
-	return self.eth.toVal(self.Block.GetTransaction(hash))
-}
-
-type JSLog struct {
-	Address string   `json:address`
-	Topics  []string `json:topics`
-	Number  int32    `json:number`
-	Data    string   `json:data`
-}
-
-func NewJSLog(log state.Log) JSLog {
-	return JSLog{
-		Address: common.Bytes2Hex(log.Address()),
-		Topics:  nil, //common.Bytes2Hex(log.Address()),
-		Number:  0,
-		Data:    common.Bytes2Hex(log.Data()),
-	}
-}
-
-type JSEthereum struct {
-	*xeth.XEth
-	vm *otto.Otto
-}
-
-func (self *JSEthereum) Block(v interface{}) otto.Value {
-	if number, ok := v.(int64); ok {
-		return self.toVal(&JSBlock{self.XEth.BlockByNumber(number), self})
-	} else if hash, ok := v.(string); ok {
-		return self.toVal(&JSBlock{self.XEth.BlockByHash(hash), self})
-	}
-
-	return otto.UndefinedValue()
-}
-
-func (self *JSEthereum) GetStateObject(addr string) otto.Value {
-	return self.toVal(&JSStateObject{self.XEth.State().SafeGet(addr), self})
-}
-
-func (self *JSEthereum) Transact(fromStr, recipient, valueStr, gasStr, gasPriceStr, dataStr string) otto.Value {
-	r, err := self.XEth.Transact(fromStr, recipient, valueStr, gasStr, gasPriceStr, dataStr)
-	if err != nil {
-		fmt.Println(err)
-
-		return otto.UndefinedValue()
-	}
-
-	return self.toVal(r)
-}
-
-func (self *JSEthereum) toVal(v interface{}) otto.Value {
-	result, err := self.vm.ToValue(v)
-
-	if err != nil {
-		fmt.Println("Value unknown:", err)
-
-		return otto.UndefinedValue()
-	}
-
-	return result
-}

jsre/jsre.go

+package jsre
+
+import (
+	"fmt"
+	"github.com/obscuren/otto"
+	"io/ioutil"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+/*
+JSRE is a generic JS runtime environment embedding the otto JS interpreter.
+It provides some helper functions to
+- load code from files
+- run code snippets
+- require libraries
+- bind native go objects
+*/
+type JSRE struct {
+	assetPath string
+	vm        *otto.Otto
+}
+
+func New(assetPath string) *JSRE {
+	re := &JSRE{
+		assetPath,
+		otto.New(),
+	}
+
+	// load prettyprint func definition
+	re.vm.Run(pp_js)
+	re.vm.Set("loadScript", re.loadScript)
+
+	return re
+}
+
+// Exec(file) loads and runs the contents of a file
+// if a relative path is given, the jsre's assetPath is used
+func (self *JSRE) Exec(file string) error {
+	return self.exec(common.AbsolutePath(self.assetPath, file))
+}
+
+func (self *JSRE) exec(path string) error {
+	code, err := ioutil.ReadFile(path)
+	if err != nil {
+		return err
+	}
+	_, err = self.vm.Run(code)
+	return err
+}
+
+func (self *JSRE) Bind(name string, v interface{}) (err error) {
+	self.vm.Set(name, v)
+	return
+}
+
+func (self *JSRE) Run(code string) (otto.Value, error) {
+	return self.vm.Run(code)
+}
+
+func (self *JSRE) Get(ns string) (otto.Value, error) {
+	return self.vm.Get(ns)
+}
+
+func (self *JSRE) Set(ns string, v interface{}) error {
+	return self.vm.Set(ns, v)
+}
+
+func (self *JSRE) loadScript(call otto.FunctionCall) otto.Value {
+	file, err := call.Argument(0).ToString()
+	if err != nil {
+		return otto.FalseValue()
+	}
+	if err := self.Exec(file); err != nil {
+		fmt.Println("err:", err)
+		return otto.FalseValue()
+	}
+
+	return otto.TrueValue()
+}
+
+func (self *JSRE) PrettyPrint(v interface{}) (val otto.Value, err error) {
+	var method otto.Value
+	v, err = self.vm.ToValue(v)
+	if err != nil {
+		return
+	}
+	method, err = self.vm.Get("prettyPrint")
+	if err != nil {
+		return
+	}
+	return method.Call(method, v)
+}
+
+func (self *JSRE) ToVal(v interface{}) otto.Value {
+	result, err := self.vm.ToValue(v)
+	if err != nil {
+		fmt.Println("Value unknown:", err)
+		return otto.UndefinedValue()
+	}
+	return result
+}
+
+func (self *JSRE) Eval(code string) (s string, err error) {
+	var val otto.Value
+	val, err = self.Run(code)
+	if err != nil {
+		return
+	}
+	val, err = self.PrettyPrint(val)
+	if err != nil {
+		return
+	}
+	return fmt.Sprintf("%v", val), nil
+}

jsre/jsre_test.go

+package jsre
+
+import (
+	"github.com/obscuren/otto"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+type testNativeObjectBinding struct {
+	toVal func(interface{}) otto.Value
+}
+
+type msg struct {
+	Msg string
+}
+
+func (no *testNativeObjectBinding) TestMethod(call otto.FunctionCall) otto.Value {
+	m, err := call.Argument(0).ToString()
+	if err != nil {
+		return otto.UndefinedValue()
+	}
+	return no.toVal(&msg{m})
+}
+
+func TestExec(t *testing.T) {
+	jsre := New("/tmp")
+
+	common.WriteFile("/tmp/test.js", []byte(`msg = "testMsg"`))
+	err := jsre.Exec("test.js")
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	val, err := jsre.Run("msg")
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	if !val.IsString() {
+		t.Errorf("expected string value, got %v", val)
+	}
+	exp := "testMsg"
+	got, _ := val.ToString()
+	if exp != got {
+		t.Errorf("expected '%v', got '%v'", exp, got)
+	}
+}
+
+func TestBind(t *testing.T) {
+	jsre := New("/tmp")
+
+	jsre.Bind("no", &testNativeObjectBinding{jsre.ToVal})
+
+	val, err := jsre.Run(`no.testMethod("testMsg")`)
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	pp, err := jsre.PrettyPrint(val)
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	t.Logf("no: %v", pp)
+}
+
+func TestLoadScript(t *testing.T) {
+	jsre := New("/tmp")
+
+	common.WriteFile("/tmp/test.js", []byte(`msg = "testMsg"`))
+	_, err := jsre.Run(`loadScript("test.js")`)
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	val, err := jsre.Run("msg")
+	if err != nil {
+		t.Errorf("expected no error, got %v", err)
+	}
+	if !val.IsString() {
+		t.Errorf("expected string value, got %v", val)
+	}
+	exp := "testMsg"
+	got, _ := val.ToString()
+	if exp != got {
+		t.Errorf("expected '%v', got '%v'", exp, got)
+	}
+}

javascript/js_lib.go → jsre/pp_js.go

-package javascript
+package jsre
 
-const jsLib = `
+const pp_js = `
 function pp(object) {
     var str = "";
 
@@ -34,7 +34,7 @@ function pp(object) {
     } else if(typeof(object) === "function") {
 	str += "\033[35m[Function]";
     } else {
-        str += object;                    
+        str += object;
     }
 
     str += "\033[0m";

p2p/discover/table.go

@@ -51,9 +51,9 @@ func newTable(t transport, ourID NodeID, ourAddr *net.UDPAddr) *Table {
 	return tab
 }
 
-// Self returns the local node ID.
-func (tab *Table) Self() NodeID {
-	return tab.self.ID
+// Self returns the local node.
+func (tab *Table) Self() *Node {
+	return tab.self
 }
 
 // Close terminates the network listener.

p2p/server.go

@@ -180,7 +180,7 @@ func (srv *Server) Start() (err error) {
 	srv.ntab = ntab
 
 	// handshake
-	srv.ourHandshake = &protoHandshake{Version: baseProtocolVersion, Name: srv.Name, ID: ntab.Self()}
+	srv.ourHandshake = &protoHandshake{Version: baseProtocolVersion, Name: srv.Name, ID: ntab.Self().ID}
 	for _, p := range srv.Protocols {
 		srv.ourHandshake.Caps = append(srv.ourHandshake.Caps, p.cap())
 	}
@@ -298,7 +298,7 @@ func (srv *Server) dialLoop() {
 			srv.lock.Lock()
 			_, isconnected := srv.peers[dest.ID]
 			srv.lock.Unlock()
-			if isconnected || dialing[dest.ID] || dest.ID == srv.ntab.Self() {
+			if isconnected || dialing[dest.ID] || dest.ID == srv.Self().ID {
 				continue
 			}
 
@@ -332,12 +332,16 @@ func (srv *Server) dialNode(dest *discover.Node) {
 	srv.startPeer(conn, dest)
 }
 
+func (srv *Server) Self() *discover.Node {
+	return srv.ntab.Self()
+}
+
 func (srv *Server) findPeers() {
-	far := srv.ntab.Self()
+	far := srv.Self().ID
 	for i := range far {
 		far[i] = ^far[i]
 	}
-	closeToSelf := srv.ntab.Lookup(srv.ntab.Self())
+	closeToSelf := srv.ntab.Lookup(srv.Self().ID)
 	farFromSelf := srv.ntab.Lookup(far)
 
 	for i := 0; i < len(closeToSelf) || i < len(farFromSelf); i++ {
@@ -402,7 +406,7 @@ func (srv *Server) addPeer(id discover.NodeID, p *Peer) (bool, DiscReason) {
 		return false, DiscTooManyPeers
 	case srv.peers[id] != nil:
 		return false, DiscAlreadyConnected
-	case id == srv.ntab.Self():
+	case id == srv.Self().ID:
 		return false, DiscSelf
 	}
 	srv.peers[id] = p

rpc/http.go

@@ -26,7 +26,7 @@ func JSONRPC(pipe *xeth.XEth, dataDir string) http.Handler {
 
 		if req.ContentLength > maxSizeReqLength {
 			jsonerr := &RpcErrorObject{-32700, "Request too large"}
-			json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: nil, Error: jsonerr})
+			json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: nil, Error: jsonerr})
 			return
 		}
 
@@ -36,11 +36,11 @@ func JSONRPC(pipe *xeth.XEth, dataDir string) http.Handler {
 			break
 		case *DecodeParamError, *InsufficientParamsError, *ValidationError:
 			jsonerr := &RpcErrorObject{-32602, reqerr.Error()}
-			json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: nil, Error: jsonerr})
+			json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: nil, Error: jsonerr})
 			return
 		default:
 			jsonerr := &RpcErrorObject{-32700, "Could not parse request"}
-			json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: nil, Error: jsonerr})
+			json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: nil, Error: jsonerr})
 			return
 		}
 
@@ -51,19 +51,19 @@ func JSONRPC(pipe *xeth.XEth, dataDir string) http.Handler {
 			break
 		case *NotImplementedError:
 			jsonerr := &RpcErrorObject{-32601, reserr.Error()}
-			json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Error: jsonerr})
+			json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: reqParsed.Id, Error: jsonerr})
 			return
 		case *DecodeParamError, *InsufficientParamsError, *ValidationError:
 			jsonerr := &RpcErrorObject{-32602, reserr.Error()}
-			json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Error: jsonerr})
+			json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: reqParsed.Id, Error: jsonerr})
 			return
 		default:
 			jsonerr := &RpcErrorObject{-32603, reserr.Error()}
-			json.Send(w, &RpcErrorResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Error: jsonerr})
+			json.Send(w, &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: reqParsed.Id, Error: jsonerr})
 			return
 		}
 
 		rpchttplogger.DebugDetailf("Generated response: %T %s", response, response)
-		json.Send(w, &RpcSuccessResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Result: response})
+		json.Send(w, &RpcSuccessResponse{Jsonrpc: jsonrpcver, Id: reqParsed.Id, Result: response})
 	})
 }

rpc/jeth.go

+package rpc
+
+import (
+	"encoding/json"
+	// "fmt"
+	"github.com/obscuren/otto"
+)
+
+type Jeth struct {
+	ethApi *EthereumApi
+	toVal  func(interface{}) otto.Value
+}
+
+func NewJeth(ethApi *EthereumApi, toVal func(interface{}) otto.Value) *Jeth {
+	return &Jeth{ethApi, toVal}
+}
+
+func (self *Jeth) err(code int, msg string, id interface{}) otto.Value {
+	rpcerr := &RpcErrorObject{code, msg}
+	rpcresponse := &RpcErrorResponse{Jsonrpc: jsonrpcver, Id: id, Error: rpcerr}
+	return self.toVal(rpcresponse)
+}
+
+func (self *Jeth) Send(call otto.FunctionCall) (response otto.Value) {
+	reqif, err := call.Argument(0).Export()
+	if err != nil {
+		return self.err(-32700, err.Error(), nil)
+	}
+
+	jsonreq, err := json.Marshal(reqif)
+
+	var req RpcRequest
+	err = json.Unmarshal(jsonreq, &req)
+
+	var respif interface{}
+	err = self.ethApi.GetRequestReply(&req, &respif)
+	if err != nil {
+		return self.err(-32603, err.Error(), req.Id)
+	}
+	rpcresponse := &RpcSuccessResponse{Jsonrpc: jsonrpcver, Id: req.Id, Result: respif}
+	response = self.toVal(rpcresponse)
+	return
+}

rpc/messages.go

@@ -83,21 +83,21 @@ func NewValidationError(param string, msg string) error {
 }
 
 type RpcRequest struct {
-	ID      interface{}     `json:"id"`
-	JsonRpc string          `json:"jsonrpc"`
+	Id      interface{}     `json:"id"`
+	Jsonrpc string          `json:"jsonrpc"`
 	Method  string          `json:"method"`
 	Params  json.RawMessage `json:"params"`
 }
 
 type RpcSuccessResponse struct {
-	ID      interface{} `json:"id"`
-	JsonRpc string      `json:"jsonrpc"`
+	Id      interface{} `json:"id"`
+	Jsonrpc string      `json:"jsonrpc"`
 	Result  interface{} `json:"result"`
 }
 
 type RpcErrorResponse struct {
-	ID      interface{}     `json:"id"`
-	JsonRpc string          `json:"jsonrpc"`
+	Id      interface{}     `json:"id"`
+	Jsonrpc string          `json:"jsonrpc"`
 	Error   *RpcErrorObject `json:"error"`
 }