cerc-io/plugeth
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Implemented new watch

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* Old watch methods have been removed
* Implemented new callback handlers for onWatchCb
* added new Filter JS object
This commit is contained in:
obscuren 2014-08-15 00:24:14 +02:00
parent 1fd69e9569
commit aadc5be3ff
6 changed files with 114 additions and 50 deletions
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32
ethereal/assets/ext/ethereum.js
View File

@ -137,6 +137,7 @@ window.eth = {
postData({call: "getSecretToAddress", args: [sec]}, cb);
},
/*
watch: function(address, storageAddrOrCb, cb) {
var ev;
if(cb === undefined) {
@ -166,6 +167,16 @@ window.eth = {
postData({call: "disconnect", args: [address, storageAddrOrCb]});
},
*/
watch: function(options) {
var filter = new Filter(options);
filter.number = newWatchNum().toString()
postData({call: "watch", args: [options, filter.number]})
return filter;
},
set: function(props) {
postData({call: "set", args: props});
@ -208,11 +219,28 @@ window.eth = {
}
}
},
}
window.eth._callbacks = {}
window.eth._onCallbacks = {}
var Filter = function(options) {
this.options = options;
};
Filter.prototype.changed = function(callback) {
eth.on("watched:"+this.number, callback)
}
Filter.prototype.getMessages = function(cb) {
return eth.getMessages(this.options, cb)
}
var watchNum = 0;
function newWatchNum() {
return watchNum++;
}
function postData(data, cb) {
data._seed = Math.floor(Math.random() * 1000000)
if(cb) {

30
ethereal/assets/ext/test.html Normal file
View File

@ -0,0 +1,30 @@
<!doctype>
<html>
<head>
<title>Tests</title>
</head>
<body>
<button onclick="test();">Test me</button>
<script type="text/javascript">
function test() {
var filter = eth.watch({
latest: -1,
from: "e6716f9544a56c530d868e4bfbacb172315bdead",
});
filter.changed(function(messages) {
console.log("messages", messages)
})
filter.getMessages(function(messages) {
console.log("getMessages", messages)
});
}
</script>
</body>
</html>

18
ethereal/assets/qml/webapp.qml
View File

@ -220,11 +220,16 @@ ApplicationWindow {
postData(data._seed, key)
break
/*
case "watch":
require(1)
eth.watch(data.args[0], data.args[1]);
require(1)
eth.watch(data.args[0], data.args[1]);
break
break
*/
case "watch":
require(2)
eth.watch(data.args[0], data.args[1])
case "disconnect":
require(1)
@ -247,7 +252,7 @@ ApplicationWindow {
break
case "debug":
console.log(data.args[0]);
console.log(data.args[0]);
break;
}
} catch(e) {
@ -269,6 +274,11 @@ ApplicationWindow {
webview.experimental.postMessage(JSON.stringify({data: data, _event: event}))
}
function onWatchedCb(data, id) {
var messages = JSON.parse(data)
postEvent("watched:"+id, messages)
}
function onNewBlockCb(block) {
postEvent("block:new", block)
}

63
ethereal/ext_app.go
View File

@ -7,7 +7,6 @@ import (
"github.com/ethereum/eth-go/ethpub"
"github.com/ethereum/eth-go/ethreact"
"github.com/ethereum/eth-go/ethstate"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/go-ethereum/javascript"
"github.com/go-qml/qml"
)
@ -23,6 +22,7 @@ type AppContainer interface {
ObjectChanged(*ethstate.StateObject)
StorageChanged(*ethstate.StorageState)
NewWatcher(chan bool)
Messages(ethstate.Messages, string)
}
type ExtApplication struct {
@ -31,9 +31,12 @@ type ExtApplication struct {
blockChan chan ethreact.Event
changeChan chan ethreact.Event
messageChan chan ethreact.Event
quitChan chan bool
watcherQuitChan chan bool
filters map[string]*ethchain.Filter
container AppContainer
lib *UiLib
registeredEvents []string
@ -45,8 +48,10 @@ func NewExtApplication(container AppContainer, lib *UiLib) *ExtApplication {
lib.eth,
make(chan ethreact.Event, 100),
make(chan ethreact.Event, 100),
make(chan ethreact.Event, 100),
make(chan bool),
make(chan bool),
make(map[string]*ethchain.Filter),
container,
lib,
nil,
@ -73,6 +78,7 @@ func (app *ExtApplication) run() {
// Subscribe to events
reactor := app.lib.eth.Reactor()
reactor.Subscribe("newBlock", app.blockChan)
reactor.Subscribe("messages", app.messageChan)
app.container.NewWatcher(app.watcherQuitChan)
@ -118,56 +124,27 @@ out:
} else if storageObject, ok := object.Resource.(*ethstate.StorageState); ok {
app.container.StorageChanged(storageObject)
}
case msg := <-app.messageChan:
if messages, ok := msg.Resource.(ethstate.Messages); ok {
for id, filter := range app.filters {
msgs := filter.FilterMessages(messages)
if len(msgs) > 0 {
app.container.Messages(msgs, id)
}
}
}
}
}
}
func (app *ExtApplication) Watch(addr, storageAddr string) {
var event string
if len(storageAddr) == 0 {
event = "object:" + string(ethutil.Hex2Bytes(addr))
app.lib.eth.Reactor().Subscribe(event, app.changeChan)
} else {
event = "storage:" + string(ethutil.Hex2Bytes(addr)) + ":" + string(ethutil.Hex2Bytes(storageAddr))
app.lib.eth.Reactor().Subscribe(event, app.changeChan)
}
app.registeredEvents = append(app.registeredEvents, event)
func (self *ExtApplication) Watch(filterOptions map[string]interface{}, identifier string) {
self.filters[identifier] = ethchain.NewFilterFromMap(filterOptions, self.eth)
}
func (self *ExtApplication) GetMessages(object map[string]interface{}) string {
filter := ethchain.NewFilter(self.eth)
if object["earliest"] != nil {
earliest := object["earliest"]
if e, ok := earliest.(string); ok {
filter.SetEarliestBlock(ethutil.Hex2Bytes(e))
} else {
filter.SetEarliestBlock(earliest)
}
}
if object["latest"] != nil {
latest := object["latest"]
if l, ok := latest.(string); ok {
filter.SetLatestBlock(ethutil.Hex2Bytes(l))
} else {
filter.SetLatestBlock(latest)
}
}
if object["to"] != nil {
filter.AddTo(ethutil.Hex2Bytes(object["to"].(string)))
}
if object["from"] != nil {
filter.AddFrom(ethutil.Hex2Bytes(object["from"].(string)))
}
if object["max"] != nil {
filter.SetMax(object["max"].(int))
}
if object["skip"] != nil {
filter.SetSkip(object["skip"].(int))
}
filter := ethchain.NewFilterFromMap(object, self.eth)
messages := filter.Find()
var msgs []javascript.JSMessage

13
ethereal/html_container.go
View File

@ -1,6 +1,7 @@
package main
import (
"encoding/json"
"errors"
"io/ioutil"
"net/url"
@ -12,6 +13,7 @@ import (
"github.com/ethereum/eth-go/ethpub"
"github.com/ethereum/eth-go/ethstate"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/go-ethereum/javascript"
"github.com/go-qml/qml"
"github.com/howeyc/fsnotify"
)
@ -131,6 +133,17 @@ func (app *HtmlApplication) StorageChanged(storageObject *ethstate.StorageState)
app.webView.Call("onStorageChangeCb", ethpub.NewPStorageState(storageObject))
}
func (self *HtmlApplication) Messages(messages ethstate.Messages, id string) {
var msgs []javascript.JSMessage
for _, m := range messages {
msgs = append(msgs, javascript.NewJSMessage(m))
}
b, _ := json.Marshal(msgs)
self.webView.Call("onWatchedCb", string(b), id)
}
func (app *HtmlApplication) Destroy() {
app.engine.Destroy()
}

8
ethereal/qml_container.go
View File

@ -1,12 +1,14 @@
package main
import (
"fmt"
"runtime"
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethpub"
"github.com/ethereum/eth-go/ethstate"
"github.com/ethereum/eth-go/ethutil"
"github.com/go-qml/qml"
"runtime"
)
type QmlApplication struct {
@ -59,6 +61,10 @@ func (app *QmlApplication) StorageChanged(storageObject *ethstate.StorageState)
app.win.Call("onStorageChangeCb", ethpub.NewPStorageState(storageObject))
}
func (self *QmlApplication) Messages(msgs ethstate.Messages, id string) {
fmt.Println("IMPLEMENT QML APPLICATION MESSAGES METHOD")
}
// Getters
func (app *QmlApplication) Engine() *qml.Engine {
return app.engine