mirror of https://github.com/ethereum/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
143 lines
3.4 KiB
143 lines
3.4 KiB
// 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 (
|
|
"encoding/json"
|
|
|
|
"github.com/ethereum/go-ethereum/chain"
|
|
"github.com/ethereum/go-ethereum/chain/types"
|
|
"github.com/ethereum/go-ethereum/event"
|
|
"github.com/ethereum/go-ethereum/javascript"
|
|
"github.com/ethereum/go-ethereum/state"
|
|
"github.com/ethereum/go-ethereum/ui/qt"
|
|
"github.com/ethereum/go-ethereum/xeth"
|
|
"gopkg.in/qml.v1"
|
|
)
|
|
|
|
type AppContainer interface {
|
|
Create() error
|
|
Destroy()
|
|
|
|
Window() *qml.Window
|
|
Engine() *qml.Engine
|
|
|
|
NewBlock(*types.Block)
|
|
NewWatcher(chan bool)
|
|
Messages(state.Messages, string)
|
|
Post(string, int)
|
|
}
|
|
|
|
type ExtApplication struct {
|
|
*xeth.JSXEth
|
|
eth chain.EthManager
|
|
|
|
events event.Subscription
|
|
watcherQuitChan chan bool
|
|
|
|
filters map[string]*chain.Filter
|
|
|
|
container AppContainer
|
|
lib *UiLib
|
|
}
|
|
|
|
func NewExtApplication(container AppContainer, lib *UiLib) *ExtApplication {
|
|
return &ExtApplication{
|
|
JSXEth: xeth.NewJSXEth(lib.eth),
|
|
eth: lib.eth,
|
|
watcherQuitChan: make(chan bool),
|
|
filters: make(map[string]*chain.Filter),
|
|
container: container,
|
|
lib: lib,
|
|
}
|
|
}
|
|
|
|
func (app *ExtApplication) run() {
|
|
// Set the "eth" api on to the containers context
|
|
context := app.container.Engine().Context()
|
|
context.SetVar("eth", app)
|
|
context.SetVar("ui", app.lib)
|
|
|
|
err := app.container.Create()
|
|
if err != nil {
|
|
guilogger.Errorln(err)
|
|
return
|
|
}
|
|
|
|
// Subscribe to events
|
|
mux := app.lib.eth.EventMux()
|
|
app.events = mux.Subscribe(chain.NewBlockEvent{}, state.Messages(nil))
|
|
|
|
// Call the main loop
|
|
go app.mainLoop()
|
|
|
|
app.container.NewWatcher(app.watcherQuitChan)
|
|
|
|
win := app.container.Window()
|
|
win.Show()
|
|
win.Wait()
|
|
|
|
app.stop()
|
|
}
|
|
|
|
func (app *ExtApplication) stop() {
|
|
app.events.Unsubscribe()
|
|
|
|
// Kill the main loop
|
|
app.watcherQuitChan <- true
|
|
|
|
app.container.Destroy()
|
|
}
|
|
|
|
func (app *ExtApplication) mainLoop() {
|
|
for ev := range app.events.Chan() {
|
|
switch ev := ev.(type) {
|
|
case chain.NewBlockEvent:
|
|
app.container.NewBlock(ev.Block)
|
|
|
|
case state.Messages:
|
|
for id, filter := range app.filters {
|
|
msgs := filter.FilterMessages(ev)
|
|
if len(msgs) > 0 {
|
|
app.container.Messages(msgs, id)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (self *ExtApplication) Watch(filterOptions map[string]interface{}, identifier string) {
|
|
self.filters[identifier] = qt.NewFilterFromMap(filterOptions, self.eth)
|
|
}
|
|
|
|
func (self *ExtApplication) GetMessages(object map[string]interface{}) string {
|
|
filter := qt.NewFilterFromMap(object, self.eth)
|
|
|
|
messages := filter.Find()
|
|
var msgs []javascript.JSMessage
|
|
for _, m := range messages {
|
|
msgs = append(msgs, javascript.NewJSMessage(m))
|
|
}
|
|
|
|
b, err := json.Marshal(msgs)
|
|
if err != nil {
|
|
return "{\"error\":" + err.Error() + "}"
|
|
}
|
|
|
|
return string(b)
|
|
}
|
|
|