1 files changed, 280 insertions, 0 deletions
diff --git a/cmd/mist/ui_lib.go b/cmd/mist/ui_lib.go
new file mode 100644
index 000000000..34ce56e77
--- /dev/null
+++ b/cmd/mist/ui_lib.go
@@ -0,0 +1,280 @@
+/*
+	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"
+
+	"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.SuggestPeer(nodeURL); err != nil {
+		guilogger.Infoln("SuggestPeer error: " + err.Error())
+	}
+}
+
+func (ui *UiLib) AssetPath(p string) string {
+	return path.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()
+		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(path.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
+}