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/*
This file is part of go-ethereum
go-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
go-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @authors
* Jeffrey Wilcke <i@jev.io>
*/
package main
import (
"io/ioutil"
"path/filepath"
"github.com/ethereum/go-ethereum/common"
"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/xeth"
"github.com/obscuren/qml"
)
type memAddr struct {
Num string
Value string
}
// UI Library that has some basic functionality exposed
type UiLib struct {
*xeth.XEth
engine *qml.Engine
eth *eth.Ethereum
connected bool
assetPath string
// The main application window
win *qml.Window
filterCallbacks map[int][]int
filterManager *filter.FilterManager
}
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,
filterCallbacks: make(map[int][]int),
}
lib.filterManager = filter.NewFilterManager(eth.EventMux())
go lib.filterManager.Start()
return lib
}
func (self *UiLib) Notef(args []interface{}) {
guilogger.Infoln(args...)
}
func (self *UiLib) ImportTx(rlpTx string) {
tx := types.NewTransactionFromBytes(common.Hex2Bytes(rlpTx))
err := self.eth.TxPool().Add(tx)
if err != nil {
guilogger.Infoln("import tx failed ", err)
}
}
func (ui *UiLib) Muted(content string) {
component, err := ui.engine.LoadFile(ui.AssetPath("qml/muted.qml"))
if err != nil {
guilogger.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()
ui.connected = true
button.Set("enabled", false)
}
}
func (ui *UiLib) ConnectToPeer(nodeURL string) {
if err := ui.eth.AddPeer(nodeURL); err != nil {
guilogger.Infoln("AddPeer error: " + err.Error())
}
}
func (ui *UiLib) AssetPath(p string) string {
return filepath.Join(ui.assetPath, p)
}
func (self *UiLib) Transact(params map[string]interface{}) (string, error) {
object := mapToTxParams(params)
return self.XEth.Transact(
object["from"],
object["to"],
"",
object["value"],
object["gas"],
object["gasPrice"],
object["data"],
)
}
func (self *UiLib) Call(params map[string]interface{}) (string, error) {
object := mapToTxParams(params)
return self.XEth.Call(
object["from"],
object["to"],
object["value"],
object["gas"],
object["gasPrice"],
object["data"],
)
}
func (self *UiLib) AddLocalTransaction(to, data, gas, gasPrice, value string) int {
return 0
/*
return self.miner.AddLocalTx(&miner.LocalTx{
To: common.Hex2Bytes(to),
Data: common.Hex2Bytes(data),
Gas: gas,
GasPrice: gasPrice,
Value: value,
}) - 1
*/
}
func (self *UiLib) RemoveLocalTransaction(id int) {
//self.miner.RemoveLocalTx(id)
}
func (self *UiLib) ToggleMining() bool {
if !self.eth.IsMining() {
err := self.eth.StartMining(4)
return err == nil
} else {
self.eth.StopMining()
return false
}
}
func (self *UiLib) ToHex(data string) string {
return "0x" + common.Bytes2Hex([]byte(data))
}
func (self *UiLib) ToAscii(data string) string {
start := 0
if len(data) > 1 && data[0:2] == "0x" {
start = 2
}
return string(common.Hex2Bytes(data[start:]))
}
/// Ethereum filter methods
func (self *UiLib) NewFilter(object map[string]interface{}, view *qml.Common) (id int) {
/* TODO remove me
filter := qt.NewFilterFromMap(object, self.eth)
filter.MessageCallback = func(messages state.Messages) {
view.Call("messages", xeth.ToMessages(messages), id)
}
id = self.filterManager.InstallFilter(filter)
return id
*/
return 0
}
func (self *UiLib) NewFilterString(typ string, view *qml.Common) (id int) {
/* TODO remove me
filter := core.NewFilter(self.eth)
filter.BlockCallback = func(block *types.Block) {
view.Call("messages", "{}", id)
}
id = self.filterManager.InstallFilter(filter)
return id
*/
return 0
}
func (self *UiLib) Messages(id int) *common.List {
/* TODO remove me
filter := self.filterManager.GetFilter(id)
if filter != nil {
messages := xeth.ToMessages(filter.Find())
return messages
}
*/
return common.EmptyList()
}
func (self *UiLib) ReadFile(p string) string {
content, err := ioutil.ReadFile(self.AssetPath(filepath.Join("ext", p)))
if err != nil {
guilogger.Infoln("error reading file", p, ":", err)
}
return string(content)
}
func (self *UiLib) UninstallFilter(id int) {
self.filterManager.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 common.IsHex(str) {
str = str[2:]
if len(str) != 64 {
str = common.LeftPadString(str, 64)
}
} else {
str = common.Bytes2Hex(common.LeftPadBytes(common.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
}
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