plugeth/cmd/mist/ui_lib.go

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/*
This file is part of go-ethereum
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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>
*/
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package main
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import (
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"io/ioutil"
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"path"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/event/filter"
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"github.com/ethereum/go-ethereum/xeth"
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"github.com/obscuren/qml"
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)
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type memAddr struct {
Num string
Value string
}
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// UI Library that has some basic functionality exposed
type UiLib struct {
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*xeth.XEth
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engine *qml.Engine
eth *eth.Ethereum
connected bool
assetPath string
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// The main application window
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win *qml.Window
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filterCallbacks map[int][]int
filterManager *filter.FilterManager
}
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func NewUiLib(engine *qml.Engine, eth *eth.Ethereum, assetPath, libPath string) *UiLib {
x := xeth.New(eth, nil)
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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
}
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func (self *UiLib) Notef(args []interface{}) {
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guilogger.Infoln(args...)
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}
func (self *UiLib) ImportTx(rlpTx string) {
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tx := types.NewTransactionFromBytes(common.Hex2Bytes(rlpTx))
err := self.eth.TxPool().Add(tx)
if err != nil {
guilogger.Infoln("import tx failed ", err)
}
}
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func (ui *UiLib) Muted(content string) {
component, err := ui.engine.LoadFile(ui.AssetPath("qml/muted.qml"))
if err != nil {
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guilogger.Debugln(err)
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return
}
win := component.CreateWindow(nil)
go func() {
path := "file://" + ui.AssetPath("muted/index.html")
win.Set("url", path)
win.Show()
win.Wait()
}()
}
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func (ui *UiLib) Connect(button qml.Object) {
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if !ui.connected {
ui.eth.Start()
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ui.connected = true
button.Set("enabled", false)
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}
}
func (ui *UiLib) ConnectToPeer(nodeURL string) {
if err := ui.eth.SuggestPeer(nodeURL); err != nil {
guilogger.Infoln("SuggestPeer error: " + err.Error())
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}
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}
func (ui *UiLib) AssetPath(p string) string {
return path.Join(ui.assetPath, p)
}
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func (self *UiLib) Transact(params map[string]interface{}) (string, error) {
object := mapToTxParams(params)
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return self.XEth.Transact(
object["from"],
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object["to"],
object["value"],
object["gas"],
object["gasPrice"],
object["data"],
)
}
func (self *UiLib) Call(params map[string]interface{}) (string, error) {
object := mapToTxParams(params)
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return self.XEth.Call(
object["from"],
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object["to"],
object["value"],
object["gas"],
object["gasPrice"],
object["data"],
)
}
func (self *UiLib) AddLocalTransaction(to, data, gas, gasPrice, value string) int {
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return 0
/*
return self.miner.AddLocalTx(&miner.LocalTx{
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To: common.Hex2Bytes(to),
Data: common.Hex2Bytes(data),
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Gas: gas,
GasPrice: gasPrice,
Value: value,
}) - 1
*/
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}
func (self *UiLib) RemoveLocalTransaction(id int) {
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//self.miner.RemoveLocalTx(id)
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}
func (self *UiLib) ToggleMining() bool {
if !self.eth.IsMining() {
err := self.eth.StartMining()
return err == nil
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} else {
self.eth.StopMining()
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return false
}
}
func (self *UiLib) ToHex(data string) string {
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return "0x" + common.Bytes2Hex([]byte(data))
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}
func (self *UiLib) ToAscii(data string) string {
start := 0
if len(data) > 1 && data[0:2] == "0x" {
start = 2
}
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return string(common.Hex2Bytes(data[start:]))
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}
/// Ethereum filter methods
func (self *UiLib) NewFilter(object map[string]interface{}, view *qml.Common) (id int) {
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/* TODO remove me
filter := qt.NewFilterFromMap(object, self.eth)
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filter.MessageCallback = func(messages state.Messages) {
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view.Call("messages", xeth.ToMessages(messages), id)
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}
id = self.filterManager.InstallFilter(filter)
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return id
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*/
return 0
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}
func (self *UiLib) NewFilterString(typ string, view *qml.Common) (id int) {
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/* TODO remove me
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filter := core.NewFilter(self.eth)
filter.BlockCallback = func(block *types.Block) {
view.Call("messages", "{}", id)
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}
id = self.filterManager.InstallFilter(filter)
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return id
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*/
return 0
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}
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func (self *UiLib) Messages(id int) *common.List {
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/* TODO remove me
filter := self.filterManager.GetFilter(id)
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if filter != nil {
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messages := xeth.ToMessages(filter.Find())
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return messages
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}
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*/
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return common.EmptyList()
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}
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func (self *UiLib) ReadFile(p string) string {
content, err := ioutil.ReadFile(self.AssetPath(path.Join("ext", p)))
if err != nil {
guilogger.Infoln("error reading file", p, ":", err)
}
return string(content)
}
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func (self *UiLib) UninstallFilter(id int) {
self.filterManager.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
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)
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} else if str, ok := object["data"].(string); ok {
data = []string{str}
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}
for _, str := range data {
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if common.IsHex(str) {
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str = str[2:]
if len(str) != 64 {
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str = common.LeftPadString(str, 64)
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}
} else {
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str = common.Bytes2Hex(common.LeftPadBytes(common.Big(str).Bytes(), 32))
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}
dataStr += str
}
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object["data"] = dataStr
conv := make(map[string]string)
for key, value := range object {
if v, ok := value.(string); ok {
conv[key] = v
}
}
return conv
}