Merge remote-tracking branch 'ethereum/conversion' into conversion

10 files changed, 675 insertions, 240 deletions

diff --git a/cmd/ethereum/admin.go b/cmd/ethereum/admin.go
new file mode 100644
index 000000000..967af2553
--- /dev/null
+++ b/cmd/ethereum/admin.go
@@ -0,0 +1,259 @@
+package main
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+	"os"
+	"time"
+
+	"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/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.HexToHash(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)
+
+}
diff --git a/cmd/ethereum/js.go b/cmd/ethereum/js.go
index a3c5f5d2d..b4b54b7e6 100644
--- a/cmd/ethereum/js.go
+++ b/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()
 }
diff --git a/cmd/ethereum/js_test.go b/cmd/ethereum/js_test.go
new file mode 100644
index 000000000..0d3c22553
--- /dev/null
+++ b/cmd/ethereum/js_test.go
@@ -0,0 +1,252 @@
+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")
+	}
+}
diff --git a/cmd/ethereum/main.go b/cmd/ethereum/main.go
index 1efea927f..459059e6c 100644
--- a/cmd/ethereum/main.go
+++ b/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"
@@ -41,7 +41,7 @@ import (
 
 const (
 	ClientIdentifier = "Ethereum(G)"
-	Version          = "0.9.0"
+	Version          = "0.9.1"
 )
 
 var (
@@ -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()
 }
@@ -284,7 +302,7 @@ func dump(ctx *cli.Context) {
 	for _, arg := range ctx.Args() {
 		var block *types.Block
 		if hashish(arg) {
-			block = chainmgr.GetBlock(common.Hex2Bytes(arg))
+			block = chainmgr.GetBlock(common.HexToHash(arg))
 		} else {
 			num, _ := strconv.Atoi(arg)
 			block = chainmgr.GetBlockByNumber(uint64(num))
diff --git a/cmd/mist/assets/ext/bignumber.min.js b/cmd/mist/assets/ext/bignumber.min.js
index c1627d780..7b63a8a02 100644
--- a/cmd/mist/assets/ext/bignumber.min.js
+++ b/cmd/mist/assets/ext/bignumber.min.js
@@ -1,2 +1,4 @@
-/*! bignumber.js v2.0.0 https://github.com/MikeMcl/bignumber.js/LICENCE */
-(function(n){"use strict";function t(n,i){var b,a,l,p,o,w,s=this;if(!(s instanceof t))return new t(n,i);if(n instanceof t){if(i==null){u=0;s.s=n.s;s.e=n.e;s.c=(n=n.c)?n.slice():n;return}n+=""}else if(p=(o=typeof n)=="number"){if(i==null&&n===~~n){for(s.s=1/n<0?(n=-n,-1):1,a=u=0,l=n;l>=10;l/=10,a++);s.e=a;s.c=[n];return}n=n===0&&1/n<0?"-0":n+""}else o!="string"&&(n+="");if(o=n,i==null&&ft.test(o))s.s=o.charCodeAt(0)===45?(o=o.slice(1),-1):1;else{if(i==10)return s=new t(o),y(s,c+s.e+1,h);if(o=lt.call(o).replace(/^\+(?!-)/,""),s.s=o.charCodeAt(0)===45?(o=o.replace(/^-(?!-)/,""),-1):1,i!=null?i!=~~i&&d||(e=!(i>=2&&i<65))?(f(i,2),w=ft.test(o)):(b="["+ut.slice(0,i=i|0)+"]+",o=o.replace(/\.$/,"").replace(/^\./,"0."),(w=new 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a(this),this.e+1,1)},T.valueOf=T.toJSON=function(){return this.toString()},null!=e&&a.config(e),a}function t(e){var n=0|e;return e>0||e===n?n:n-1}function r(e){for(var n,t,r=1,i=e.length,o=e[0]+"";i>r;){for(n=e[r++]+"",t=y-n.length;t--;n="0"+n);o+=n}for(i=o.length;48===o.charCodeAt(--i););return o.slice(0,i+1||1)}function i(e,n){var t,r,i=e.c,o=n.c,u=e.s,s=n.s,f=e.e,l=n.e;if(!u||!s)return null;if(t=i&&!i[0],r=o&&!o[0],t||r)return t?r?0:-s:u;if(u!=s)return u;if(t=0>u,r=f==l,!i||!o)return r?0:!i^t?1:-1;if(!r)return f>l^t?1:-1;for(s=(f=i.length)<(l=o.length)?f:l,u=0;s>u;u++)if(i[u]!=o[u])return i[u]>o[u]^t?1:-1;return f==l?0:f>l^t?1:-1}function o(e,n,t){return(e=c(e))>=n&&t>=e}function u(e){return"[object Array]"==Object.prototype.toString.call(e)}function s(e,n,t){for(var r,i,o=[0],u=0,s=e.length;s>u;){for(i=o.length;i--;o[i]*=n);for(o[r=0]+=O.indexOf(e.charAt(u++));r<o.length;r++)o[r]>t-1&&(null==o[r+1]&&(o[r+1]=0),o[r+1]+=o[r]/t|0,o[r]%=t)}return o.reverse()}function f(e,n){return(e.length>1?e.charAt(0)+"."+e.slice(1):e)+(0>n?"e":"e+")+n}function l(e,n){var t,r;if(0>n){for(r="0.";++n;r+="0");e=r+e}else if(t=e.length,++n>t){for(r="0",n-=t;--n;r+="0");e+=r}else t>n&&(e=e.slice(0,n)+"."+e.slice(n));return e}function c(e){return e=parseFloat(e),0>e?d(e):m(e)}var a,h,g,p=/^-?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i,d=Math.ceil,m=Math.floor,w=" not a boolean or binary digit",v="rounding mode",b="number type has more than 15 significant digits",O="0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_",N=1e14,y=14,S=9007199254740991,R=[1,10,100,1e3,1e4,1e5,1e6,1e7,1e8,1e9,1e10,1e11,1e12,1e13],A=1e7,E=1e9;if(a=n(),"function"==typeof define&&define.amd)define(function(){return a});else if("undefined"!=typeof module&&module.exports){if(module.exports=a,!h)try{h=require("crypto")}catch(D){}}else e.BigNumber=a}(this);
+//# sourceMappingURL=doc/bignumber.js.map
\ No newline at end of file
diff --git a/cmd/mist/assets/qml/main.qml b/cmd/mist/assets/qml/main.qml
index 8558ebd51..bf83dc3b2 100644
--- a/cmd/mist/assets/qml/main.qml
+++ b/cmd/mist/assets/qml/main.qml
@@ -12,7 +12,7 @@ import "../ext/http.js" as Http
 
 ApplicationWindow {
     id: root
-    
+
     //flags: Qt.FramelessWindowHint
     // Use this to make the window frameless. But then you'll need to do move and resize by hand
 
@@ -53,7 +53,7 @@ ApplicationWindow {
         whisperTab.view.url = "http://ethereum-dapp-whisper-client.meteor.com/";
         whisperTab.menuItem.title = "Whisper Chat";
 */
-        addPlugin("./views/wallet.qml", {noAdd: true, close: false, section: "legacy"});        
+        addPlugin("./views/wallet.qml", {noAdd: true, close: false, section: "legacy"});
         addPlugin("./views/transaction.qml", {noAdd: true, close: false, section: "legacy"});
         addPlugin("./views/whisper.qml", {noAdd: true, close: false, section: "legacy"});
         addPlugin("./views/chain.qml", {noAdd: true, close: false, section: "legacy"});
@@ -126,7 +126,7 @@ ApplicationWindow {
     }
 
     function newBrowserTab(url) {
-        
+
         var urlMatches = url.toString().match(/^[a-z]*\:\/\/([^\/?#]+)(?:[\/?#]|$)/i);
         var requestedDomain = urlMatches && urlMatches[1];
 
@@ -138,17 +138,17 @@ ApplicationWindow {
                 var existingDomain = matches && matches[1];
                 if (requestedDomain == existingDomain) {
                     domainAlreadyOpen = true;
-                    
+
                     if (mainSplit.views[i].view.url != url){
                         mainSplit.views[i].view.url = url;
                     }
-                    
+
                     activeView(mainSplit.views[i].view, mainSplit.views[i].menuItem);
                 }
             }
-        }  
+        }
 
-        if (!domainAlreadyOpen) {            
+        if (!domainAlreadyOpen) {
             var window = addPlugin("./views/browser.qml", {noAdd: true, close: true, section: "apps", active: true});
             window.view.url = url;
             window.menuItem.title = "Mist";
@@ -157,7 +157,6 @@ ApplicationWindow {
     }
 
 
-
     menuBar: MenuBar {
         Menu {
             title: "File"
@@ -165,7 +164,7 @@ ApplicationWindow {
                 text: "New tab"
                 shortcut: "Ctrl+t"
                 onTriggered: {
-	            activeView(catalog.view, catalog.menuItem);
+                activeView(catalog.view, catalog.menuItem);
                 }
             }
 
@@ -207,15 +206,6 @@ ApplicationWindow {
             }
 
             MenuItem {
-                text: "Run JS file"
-                onTriggered: {
-                    generalFileDialog.show(true, function(path) {
-                        eth.evalJavascriptFile(path)
-                    })
-                }
-            }
-
-            MenuItem {
                 text: "Dump state"
                 onTriggered: {
                     generalFileDialog.show(false, function(path) {
@@ -313,28 +303,28 @@ ApplicationWindow {
              Layout.minimumWidth: 192
              Layout.maximumWidth: 192
 
-            FontLoader { 
+            FontLoader {
                id: sourceSansPro
-               source: "fonts/SourceSansPro-Regular.ttf" 
+               source: "fonts/SourceSansPro-Regular.ttf"
+            }
+            FontLoader {
+               source: "fonts/SourceSansPro-Semibold.ttf"
+            }
+            FontLoader {
+               source: "fonts/SourceSansPro-Bold.ttf"
+            }
+            FontLoader {
+               source: "fonts/SourceSansPro-Black.ttf"
             }
-            FontLoader { 
-               source: "fonts/SourceSansPro-Semibold.ttf" 
-            }            
-            FontLoader { 
-               source: "fonts/SourceSansPro-Bold.ttf" 
-            } 
-            FontLoader { 
-               source: "fonts/SourceSansPro-Black.ttf" 
-            }            
-            FontLoader { 
-               source: "fonts/SourceSansPro-Light.ttf" 
-            }              
-            FontLoader { 
-               source: "fonts/SourceSansPro-ExtraLight.ttf" 
-            }  
-            FontLoader { 
+            FontLoader {
+               source: "fonts/SourceSansPro-Light.ttf"
+            }
+            FontLoader {
+               source: "fonts/SourceSansPro-ExtraLight.ttf"
+            }
+            FontLoader {
                id: simpleLineIcons
-               source: "fonts/Simple-Line-Icons.ttf" 
+               source: "fonts/Simple-Line-Icons.ttf"
             }
 
             Rectangle {
@@ -393,7 +383,7 @@ ApplicationWindow {
 
                      function setSelection(on) {
                          sel.visible = on
-                         
+
                          if (this.closable == true) {
                                 closeIcon.visible = on
                          }
@@ -404,7 +394,7 @@ ApplicationWindow {
                         label.visible = !on
                         buttonLabel.visible = on
                      }
- 
+
                      width: 192
                      height: 55
                      color: "#00000000"
@@ -417,7 +407,7 @@ ApplicationWindow {
                      Rectangle {
                          // New App Button
                          id: newAppButton
-                         visible: false 
+                         visible: false
                          anchors.fill: parent
                          anchors.rightMargin: 8
                          border.width: 0
@@ -504,16 +494,16 @@ ApplicationWindow {
                         id: buttonLabel
                         visible: false
                         text: "GO TO NEW APP"
-                        font.family: sourceSansPro.name 
+                        font.family: sourceSansPro.name
                         font.weight: Font.DemiBold
                         anchors.horizontalCenter: parent.horizontalCenter
                         anchors.verticalCenter: parent.verticalCenter
                         color: "#AAA0A0"
-                     }   
+                     }
 
                     Text {
                          id: label
-                         font.family: sourceSansPro.name 
+                         font.family: sourceSansPro.name
                          font.weight: Font.DemiBold
                          elide: Text.ElideRight
                          x:250
@@ -529,15 +519,15 @@ ApplicationWindow {
                          }
 
 
-                         
-                         
+
+
                      }
 
                      Text {
                          id: secondary
                          //only shows secondary title if there's no badge
                          visible: (badgeContent == "icon" || badgeContent == "number" )? false : true
-                         font.family: sourceSansPro.name 
+                         font.family: sourceSansPro.name
                          font.weight: Font.Light
                          anchors {
                              left: icon.right
@@ -566,8 +556,8 @@ ApplicationWindow {
                          }
 
                         Text {
-                             
-                             font.family: simpleLineIcons.name 
+
+                             font.family: simpleLineIcons.name
                              anchors {
                                  centerIn: parent
                              }
@@ -575,11 +565,11 @@ ApplicationWindow {
                              font.pixelSize: 20
                              text: "\ue082"
                          }
-                     }                     
+                     }
 
                      Rectangle {
                         id: badge
-                        visible: (badgeContent == "icon" || badgeContent == "number" )? true : false 
+                        visible: (badgeContent == "icon" || badgeContent == "number" )? true : false
                         width: 32
                         color: "#05000000"
                         anchors {
@@ -588,11 +578,11 @@ ApplicationWindow {
                             bottom: parent.bottom;
                             rightMargin: 4;
                         }
-                                      
+
                         Text {
                              id: badgeIconLabel
                              visible: (badgeContent == "icon") ? true : false;
-                             font.family: simpleLineIcons.name 
+                             font.family: simpleLineIcons.name
                              anchors {
                                  centerIn: parent
                              }
@@ -600,7 +590,7 @@ ApplicationWindow {
                              color: "#AAA0A0"
                              font.pixelSize: 20
                              text: badgeIcon
-                         }                       
+                         }
 
                         Text {
                              id: badgeNumberLabel
@@ -609,14 +599,14 @@ ApplicationWindow {
                                  centerIn: parent
                              }
                              horizontalAlignment: Text.AlignCenter
-                             font.family: sourceSansPro.name 
+                             font.family: sourceSansPro.name
                              font.weight: Font.Light
                              color: "#AAA0A0"
                              font.pixelSize: 18
                              text: badgeNumber
                          }
                      }
-                     
+
 
 
                      function closeApp() {
@@ -685,7 +675,7 @@ ApplicationWindow {
                  anchors.left: parent.left
                  anchors.right: parent.right
                  spacing: 3
-                
+
 
 
                 ColumnLayout {
@@ -702,7 +692,7 @@ ApplicationWindow {
                      color: "transparent"
                      Text {
                          text: "ETHEREUM"
-                         font.family: sourceSansPro.name 
+                         font.family: sourceSansPro.name
                          font.weight: Font.Regular
                          // anchors.top:  20
                          // anchors.left:  16
@@ -711,10 +701,10 @@ ApplicationWindow {
                             topMargin: 4
                             fill: parent
                         }
-                         // anchors.leftMargin: 16 
-                         // anchors.topMargin: 16 
+                         // anchors.leftMargin: 16
+                         // anchors.topMargin: 16
                         // anchors.verticalCenterOffset: 50
-                         color: "#AAA0A0" 
+                         color: "#AAA0A0"
                      }
                  }
 
@@ -735,7 +725,7 @@ ApplicationWindow {
 
                      Text {
                          text: "APPS"
-                         font.family: sourceSansPro.name 
+                         font.family: sourceSansPro.name
                          font.weight: Font.Regular
                          anchors.fill: parent
                          anchors.leftMargin: 16
@@ -775,7 +765,7 @@ ApplicationWindow {
               anchors.left: menu.right
               anchors.bottom: parent.bottom
               anchors.top: parent.top
-              color: "#00000000"             
+              color: "#00000000"
 
               /*Rectangle {
                   id: urlPane
diff --git a/cmd/mist/gui.go b/cmd/mist/gui.go
index 476b441c8..19ad09454 100644
--- a/cmd/mist/gui.go
+++ b/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
 }
diff --git a/cmd/mist/main.go b/cmd/mist/main.go
index 256c08691..1c51233e3 100644
--- a/cmd/mist/main.go
+++ b/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
 	})
 }
diff --git a/cmd/mist/ui_lib.go b/cmd/mist/ui_lib.go
index 90237d4cb..34ce56e77 100644
--- a/cmd/mist/ui_lib.go
+++ b/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 {
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 95666e3c9..42256903e 100644
--- a/cmd/utils/flags.go
+++ b/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 {