375 lines
8.4 KiB
Go
375 lines
8.4 KiB
Go
// Copyright (c) 2013-2014, Jeffrey Wilcke. All rights reserved.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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// MA 02110-1301 USA
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package main
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import (
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"bytes"
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"fmt"
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"path"
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"strconv"
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"strings"
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"github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/chain"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethutil"
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"github.com/ethereum/go-ethereum/javascript"
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"github.com/ethereum/go-ethereum/miner"
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"github.com/ethereum/go-ethereum/state"
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"github.com/ethereum/go-ethereum/ui/qt"
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"github.com/ethereum/go-ethereum/xeth"
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"gopkg.in/qml.v1"
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)
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type memAddr struct {
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Num string
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Value string
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}
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// UI Library that has some basic functionality exposed
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type UiLib struct {
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*xeth.JSXEth
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engine *qml.Engine
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eth *eth.Ethereum
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connected bool
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assetPath string
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// The main application window
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win *qml.Window
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Db *Debugger
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DbWindow *DebuggerWindow
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jsEngine *javascript.JSRE
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filterCallbacks map[int][]int
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miner *miner.Miner
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}
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func NewUiLib(engine *qml.Engine, eth *eth.Ethereum, assetPath string) *UiLib {
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lib := &UiLib{JSXEth: xeth.NewJSXEth(eth), engine: engine, eth: eth, assetPath: assetPath, jsEngine: javascript.NewJSRE(eth), filterCallbacks: make(map[int][]int)} //, filters: make(map[int]*xeth.JSFilter)}
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lib.miner = miner.New(eth.KeyManager().Address(), eth)
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return lib
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}
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func (self *UiLib) Notef(args []interface{}) {
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guilogger.Infoln(args...)
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}
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func (self *UiLib) LookupDomain(domain string) string {
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world := self.World()
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if len(domain) > 32 {
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domain = string(crypto.Sha3([]byte(domain)))
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}
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data := world.Config().Get("DnsReg").StorageString(domain).Bytes()
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// Left padded = A record, Right padded = CNAME
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if len(data) > 0 && data[0] == 0 {
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data = bytes.TrimLeft(data, "\x00")
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var ipSlice []string
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for _, d := range data {
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ipSlice = append(ipSlice, strconv.Itoa(int(d)))
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}
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return strings.Join(ipSlice, ".")
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} else {
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data = bytes.TrimRight(data, "\x00")
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return string(data)
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}
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}
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func (self *UiLib) LookupName(addr string) string {
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var (
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nameReg = self.World().Config().Get("NameReg")
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lookup = nameReg.Storage(ethutil.Hex2Bytes(addr))
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)
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if lookup.Len() != 0 {
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return strings.Trim(lookup.Str(), "\x00")
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}
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return addr
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}
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func (self *UiLib) LookupAddress(name string) string {
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var (
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nameReg = self.World().Config().Get("NameReg")
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lookup = nameReg.Storage(ethutil.RightPadBytes([]byte(name), 32))
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)
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if lookup.Len() != 0 {
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return ethutil.Bytes2Hex(lookup.Bytes())
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}
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return ""
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}
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func (self *UiLib) PastPeers() *ethutil.List {
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return ethutil.NewList(eth.PastPeers())
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}
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func (self *UiLib) ImportTx(rlpTx string) {
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tx := chain.NewTransactionFromBytes(ethutil.Hex2Bytes(rlpTx))
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//self.eth.TxPool().QueueTransaction(tx)
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err := self.eth.TxPool().Add(tx)
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if err != nil {
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guilogger.Infoln("import tx failed ", err)
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}
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}
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func (self *UiLib) EvalJavascriptFile(path string) {
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self.jsEngine.LoadExtFile(path[7:])
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}
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func (self *UiLib) EvalJavascriptString(str string) string {
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value, err := self.jsEngine.Run(str)
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if err != nil {
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return err.Error()
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}
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return fmt.Sprintf("%v", value)
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}
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func (ui *UiLib) OpenQml(path string) {
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container := NewQmlApplication(path[7:], ui)
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app := NewExtApplication(container, ui)
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go app.run()
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}
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func (ui *UiLib) OpenHtml(path string) {
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container := NewHtmlApplication(path, ui)
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app := NewExtApplication(container, ui)
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go app.run()
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}
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func (ui *UiLib) OpenBrowser() {
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ui.OpenHtml("file://" + ui.AssetPath("ext/home.html"))
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}
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func (ui *UiLib) Muted(content string) {
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component, err := ui.engine.LoadFile(ui.AssetPath("qml/muted.qml"))
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if err != nil {
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guilogger.Debugln(err)
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return
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}
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win := component.CreateWindow(nil)
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go func() {
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path := "file://" + ui.AssetPath("muted/index.html")
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win.Set("url", path)
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win.Show()
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win.Wait()
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}()
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}
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func (ui *UiLib) Connect(button qml.Object) {
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if !ui.connected {
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ui.eth.Start(true)
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ui.connected = true
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button.Set("enabled", false)
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}
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}
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func (ui *UiLib) ConnectToPeer(addr string) {
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ui.eth.ConnectToPeer(addr)
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}
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func (ui *UiLib) AssetPath(p string) string {
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return path.Join(ui.assetPath, p)
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}
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func (self *UiLib) StartDbWithContractAndData(contractHash, data string) {
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dbWindow := NewDebuggerWindow(self)
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object := self.eth.BlockManager().CurrentState().GetStateObject(ethutil.Hex2Bytes(contractHash))
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if len(object.Code) > 0 {
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dbWindow.SetCode("0x" + ethutil.Bytes2Hex(object.Code))
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}
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dbWindow.SetData("0x" + data)
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dbWindow.Show()
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}
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func (self *UiLib) StartDbWithCode(code string) {
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dbWindow := NewDebuggerWindow(self)
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dbWindow.SetCode("0x" + code)
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dbWindow.Show()
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}
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func (self *UiLib) StartDebugger() {
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dbWindow := NewDebuggerWindow(self)
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dbWindow.Show()
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}
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func (self *UiLib) NewFilter(object map[string]interface{}) (id int) {
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filter := qt.NewFilterFromMap(object, self.eth)
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filter.MessageCallback = func(messages state.Messages) {
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self.win.Root().Call("invokeFilterCallback", xeth.ToJSMessages(messages), id)
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}
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id = self.eth.InstallFilter(filter)
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return id
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}
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func (self *UiLib) NewFilterString(typ string) (id int) {
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filter := chain.NewFilter(self.eth)
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filter.BlockCallback = func(block *chain.Block) {
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if self.win != nil && self.win.Root() != nil {
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self.win.Root().Call("invokeFilterCallback", "{}", id)
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} else {
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fmt.Println("QML is lagging")
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}
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}
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id = self.eth.InstallFilter(filter)
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return id
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}
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func (self *UiLib) Messages(id int) *ethutil.List {
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filter := self.eth.GetFilter(id)
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if filter != nil {
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messages := xeth.ToJSMessages(filter.Find())
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return messages
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}
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return ethutil.EmptyList()
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}
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func (self *UiLib) UninstallFilter(id int) {
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self.eth.UninstallFilter(id)
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}
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func mapToTxParams(object map[string]interface{}) map[string]string {
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// Default values
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if object["from"] == nil {
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object["from"] = ""
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}
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if object["to"] == nil {
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object["to"] = ""
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}
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if object["value"] == nil {
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object["value"] = ""
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}
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if object["gas"] == nil {
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object["gas"] = ""
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}
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if object["gasPrice"] == nil {
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object["gasPrice"] = ""
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}
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var dataStr string
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var data []string
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if list, ok := object["data"].(*qml.List); ok {
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list.Convert(&data)
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} else if str, ok := object["data"].(string); ok {
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data = []string{str}
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}
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for _, str := range data {
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if ethutil.IsHex(str) {
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str = str[2:]
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if len(str) != 64 {
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str = ethutil.LeftPadString(str, 64)
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}
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} else {
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str = ethutil.Bytes2Hex(ethutil.LeftPadBytes(ethutil.Big(str).Bytes(), 32))
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}
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dataStr += str
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}
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object["data"] = dataStr
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conv := make(map[string]string)
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for key, value := range object {
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if v, ok := value.(string); ok {
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conv[key] = v
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}
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}
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return conv
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}
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func (self *UiLib) Transact(params map[string]interface{}) (string, error) {
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object := mapToTxParams(params)
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return self.JSXEth.Transact(
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object["from"],
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object["to"],
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object["value"],
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object["gas"],
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object["gasPrice"],
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object["data"],
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)
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}
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func (self *UiLib) Compile(code string) (string, error) {
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bcode, err := ethutil.Compile(code, false)
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if err != nil {
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return err.Error(), err
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}
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return ethutil.Bytes2Hex(bcode), err
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}
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func (self *UiLib) Call(params map[string]interface{}) (string, error) {
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object := mapToTxParams(params)
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return self.JSXEth.Execute(
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object["to"],
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object["value"],
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object["gas"],
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object["gasPrice"],
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object["data"],
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)
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}
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func (self *UiLib) AddLocalTransaction(to, data, gas, gasPrice, value string) int {
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return self.miner.AddLocalTx(&miner.LocalTx{
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To: ethutil.Hex2Bytes(to),
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Data: ethutil.Hex2Bytes(data),
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Gas: gas,
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GasPrice: gasPrice,
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Value: value,
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}) - 1
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}
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func (self *UiLib) RemoveLocalTransaction(id int) {
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self.miner.RemoveLocalTx(id)
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}
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func (self *UiLib) SetGasPrice(price string) {
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self.miner.MinAcceptedGasPrice = ethutil.Big(price)
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}
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func (self *UiLib) ToggleMining() bool {
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if !self.miner.Mining() {
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self.miner.Start()
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return true
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} else {
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self.miner.Stop()
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return false
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}
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}
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