149 lines
3.3 KiB
Go
149 lines
3.3 KiB
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
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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go-ethereum 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @authors
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* Jeffrey Wilcke <i@jev.io>
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*/
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package main
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import (
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/event"
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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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"github.com/obscuren/qml"
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)
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type AppContainer interface {
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Create() error
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Destroy()
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Window() *qml.Window
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Engine() *qml.Engine
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NewBlock(*types.Block)
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NewWatcher(chan bool)
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Messages(state.Messages, string)
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Post(string, int)
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}
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type ExtApplication struct {
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*xeth.JSXEth
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eth core.EthManager
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events event.Subscription
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watcherQuitChan chan bool
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filters map[string]*core.Filter
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container AppContainer
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lib *UiLib
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}
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func NewExtApplication(container AppContainer, lib *UiLib) *ExtApplication {
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return &ExtApplication{
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JSXEth: xeth.NewJSXEth(lib.eth),
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eth: lib.eth,
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watcherQuitChan: make(chan bool),
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filters: make(map[string]*core.Filter),
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container: container,
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lib: lib,
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}
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}
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func (app *ExtApplication) run() {
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// Set the "eth" api on to the containers context
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context := app.container.Engine().Context()
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context.SetVar("eth", app)
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context.SetVar("ui", app.lib)
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err := app.container.Create()
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if err != nil {
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guilogger.Errorln(err)
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return
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}
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// Subscribe to events
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mux := app.lib.eth.EventMux()
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app.events = mux.Subscribe(core.NewBlockEvent{}, state.Messages(nil))
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// Call the main loop
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go app.mainLoop()
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app.container.NewWatcher(app.watcherQuitChan)
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win := app.container.Window()
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win.Show()
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win.Wait()
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app.stop()
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}
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func (app *ExtApplication) stop() {
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app.events.Unsubscribe()
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// Kill the main loop
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app.watcherQuitChan <- true
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app.container.Destroy()
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}
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func (app *ExtApplication) mainLoop() {
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for ev := range app.events.Chan() {
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switch ev := ev.(type) {
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case core.NewBlockEvent:
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app.container.NewBlock(ev.Block)
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/* TODO remove
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case state.Messages:
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for id, filter := range app.filters {
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msgs := filter.FilterMessages(ev)
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if len(msgs) > 0 {
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app.container.Messages(msgs, id)
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}
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}
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*/
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}
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}
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}
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func (self *ExtApplication) Watch(filterOptions map[string]interface{}, identifier string) {
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self.filters[identifier] = qt.NewFilterFromMap(filterOptions, self.eth)
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}
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func (self *ExtApplication) GetMessages(object map[string]interface{}) string {
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/* TODO remove me
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filter := qt.NewFilterFromMap(object, self.eth)
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messages := filter.Find()
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var msgs []javascript.JSMessage
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for _, m := range messages {
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msgs = append(msgs, javascript.NewJSMessage(m))
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}
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b, err := json.Marshal(msgs)
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if err != nil {
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return "{\"error\":" + err.Error() + "}"
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}
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return string(b)
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*/
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return ""
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}
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