// Copyright (c) 2013-2014, Jeffrey Wilcke. All rights reserved.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
// MA 02110-1301 USA
package main
import (
"bytes"
"fmt"
"path"
"strconv"
"strings"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/ethchain"
"github.com/ethereum/go-ethereum/ethcrypto"
"github.com/ethereum/go-ethereum/ethpipe"
"github.com/ethereum/go-ethereum/ethstate"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/javascript"
"github.com/ethereum/go-ethereum/ui/qt"
"gopkg.in/qml.v1"
)
type memAddr struct {
Num string
Value string
}
// UI Library that has some basic functionality exposed
type UiLib struct {
*ethpipe.JSPipe
engine *qml.Engine
eth *eth.Ethereum
connected bool
assetPath string
// The main application window
win *qml.Window
Db *Debugger
DbWindow *DebuggerWindow
jsEngine *javascript.JSRE
filterCallbacks map[int][]int
}
func NewUiLib(engine *qml.Engine, eth *eth.Ethereum, assetPath string) *UiLib {
return &UiLib{JSPipe: ethpipe.NewJSPipe(eth), engine: engine, eth: eth, assetPath: assetPath, jsEngine: javascript.NewJSRE(eth), filterCallbacks: make(map[int][]int)} //, filters: make(map[int]*ethpipe.JSFilter)}
}
func (self *UiLib) Notef(args []interface{}) {
logger.Infoln(args...)
}
func (self *UiLib) LookupDomain(domain string) string {
world := self.World()
if len(domain) > 32 {
domain = string(ethcrypto.Sha3([]byte(domain)))
}
data := world.Config().Get("DnsReg").StorageString(domain).Bytes()
// Left padded = A record, Right padded = CNAME
if len(data) > 0 && data[0] == 0 {
data = bytes.TrimLeft(data, "\x00")
var ipSlice []string
for _, d := range data {
ipSlice = append(ipSlice, strconv.Itoa(int(d)))
}
return strings.Join(ipSlice, ".")
} else {
data = bytes.TrimRight(data, "\x00")
return string(data)
}
}
func (self *UiLib) LookupName(addr string) string {
var (
nameReg = self.World().Config().Get("NameReg")
lookup = nameReg.Storage(ethutil.Hex2Bytes(addr))
)
if lookup.Len() != 0 {
return strings.Trim(lookup.Str(), "\x00")
}
return addr
}
func (self *UiLib) LookupAddress(name string) string {
var (
nameReg = self.World().Config().Get("NameReg")
lookup = nameReg.Storage(ethutil.RightPadBytes([]byte(name), 32))
)
if lookup.Len() != 0 {
return ethutil.Bytes2Hex(lookup.Bytes())
}
return ""
}
func (self *UiLib) PastPeers() *ethutil.List {
return ethutil.NewList(eth.PastPeers())
}
func (self *UiLib) ImportTx(rlpTx string) {
tx := ethchain.NewTransactionFromBytes(ethutil.Hex2Bytes(rlpTx))
self.eth.TxPool().QueueTransaction(tx)
}
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) OpenQml(path string) {
container := NewQmlApplication(path[7:], ui)
app := NewExtApplication(container, ui)
go app.run()
}
func (ui *UiLib) OpenHtml(path string) {
container := NewHtmlApplication(path, ui)
app := NewExtApplication(container, ui)
go app.run()
}
func (ui *UiLib) OpenBrowser() {
ui.OpenHtml("file://" + ui.AssetPath("ext/home.html"))
}
func (ui *UiLib) Muted(content string) {
component, err := ui.engine.LoadFile(ui.AssetPath("qml/muted.qml"))
if err != nil {
logger.Debugln(err)
return
}
win := component.CreateWindow(nil)
go func() {
path := "file://" + ui.AssetPath("muted/index.html")
win.Set("url", path)
win.Show()
win.Wait()
}()
}
func (ui *UiLib) Connect(button qml.Object) {
if !ui.connected {
ui.eth.Start(true)
ui.connected = true
button.Set("enabled", false)
}
}
func (ui *UiLib) ConnectToPeer(addr string) {
ui.eth.ConnectToPeer(addr)
}
func (ui *UiLib) AssetPath(p string) string {
return path.Join(ui.assetPath, p)
}
func (self *UiLib) StartDbWithContractAndData(contractHash, data string) {
dbWindow := NewDebuggerWindow(self)
object := self.eth.StateManager().CurrentState().GetStateObject(ethutil.Hex2Bytes(contractHash))
if len(object.Code) > 0 {
dbWindow.SetCode("0x" + ethutil.Bytes2Hex(object.Code))
}
dbWindow.SetData("0x" + data)
dbWindow.Show()
}
func (self *UiLib) StartDbWithCode(code string) {
dbWindow := NewDebuggerWindow(self)
dbWindow.SetCode("0x" + code)
dbWindow.Show()
}
func (self *UiLib) StartDebugger() {
dbWindow := NewDebuggerWindow(self)
dbWindow.Show()
}
func (self *UiLib) NewFilter(object map[string]interface{}) (id int) {
filter := qt.NewFilterFromMap(object, self.eth)
filter.MessageCallback = func(messages ethstate.Messages) {
self.win.Root().Call("invokeFilterCallback", ethpipe.ToJSMessages(messages), id)
}
id = self.eth.InstallFilter(filter)
return id
}
func (self *UiLib) NewFilterString(typ string) (id int) {
filter := ethchain.NewFilter(self.eth)
filter.BlockCallback = func(block *ethchain.Block) {
self.win.Root().Call("invokeFilterCallback", "{}", id)
}
id = self.eth.InstallFilter(filter)
return id
}
func (self *UiLib) Messages(id int) *ethutil.List {
filter := self.eth.GetFilter(id)
if filter != nil {
messages := ethpipe.ToJSMessages(filter.Find())
return messages
}
return ethutil.EmptyList()
}
func (self *UiLib) UninstallFilter(id int) {
self.eth.UninstallFilter(id)
}
func mapToTxParams(object map[string]interface{}) map[string]string {
// Default values
if object["from"] == nil {
object["from"] = ""
}
if object["to"] == nil {
object["to"] = ""
}
if object["value"] == nil {
object["value"] = ""
}
if object["gas"] == nil {
object["gas"] = ""
}
if object["gasPrice"] == nil {
object["gasPrice"] = ""
}
var dataStr string
var data []string
if list, ok := object["data"].(*qml.List); ok {
list.Convert(&data)
} else if str, ok := object["data"].(string); ok {
data = []string{str}
}
for _, str := range data {
if ethutil.IsHex(str) {
str = str[2:]
if len(str) != 64 {
str = ethutil.LeftPadString(str, 64)
}
} else {
str = ethutil.Bytes2Hex(ethutil.LeftPadBytes(ethutil.Big(str).Bytes(), 32))
}
dataStr += str
}
object["data"] = dataStr
conv := make(map[string]string)
for key, value := range object {
if v, ok := value.(string); ok {
conv[key] = v
}
}
return conv
}
func (self *UiLib) Transact(params map[string]interface{}) (*ethpipe.JSReceipt, error) {
object := mapToTxParams(params)
return self.JSPipe.Transact(
object["from"],
object["to"],
object["value"],
object["gas"],
object["gasPrice"],
object["data"],
)
}
func (self *UiLib) Compile(code string) (string, error) {
bcode, err := ethutil.Compile(code, false)
if err != nil {
return err.Error(), err
}
return ethutil.Bytes2Hex(bcode), err
}
func (self *UiLib) Call(params map[string]interface{}) (string, error) {
object := mapToTxParams(params)
return self.JSPipe.Execute(
object["to"],
object["value"],
object["gas"],
object["gasPrice"],
object["data"],
)
}
