Reworked filters

ethereal/assets/ext/filter.js

@@ -1,31 +1,49 @@
+var ethx = {
+    prototype: Object,
+
+    watch: function(options) {
+        return new Filter(options);
+    },
+
+    note: function() {
+        var args = Array.prototype.slice.call(arguments, 0);
+        var o = []
+        for(var i = 0; i < args.length; i++) {
+            o.push(args[i].toString())
+        }
+
+        eth.notef(o);
+    },
+};
+
 var Filter = function(options) {
-	this.callbacks = {};
-	this.seed = Math.floor(Math.random() * 1000000);
+	this.callbacks = [];
 	this.options = options;
 
 	if(options === "chain") {
-		eth.registerFilterString(options, this.seed);
+		this.id = eth.newFilterString(options);
 	} else if(typeof options === "object") {
-		eth.registerFilter(options, this.seed);
+		this.id = eth.newFilter(options);
 	}
 };
 
 Filter.prototype.changed = function(callback) {
-	var cbseed = Math.floor(Math.random() * 1000000);
-	eth.registerFilterCallback(this.seed, cbseed);
+    this.callbacks.push(callback);
 
 	var self = this;
-	message.connect(function(messages, seed, callbackSeed) {
-		if(seed ==  self.seed && callbackSeed == cbseed) {
-			callback.call(self, messages);
+	message.connect(function(messages, id) {
+		if(id ==  self.id) {
+            for(var i = 0; i < self.callbacks.length; i++) {
+                self.callbacks[i].call(self, messages);
+            }
 		}
 	});
 };
 
 Filter.prototype.uninstall = function() {
-	eth.uninstallFilter(this.seed)
+	eth.uninstallFilter(this.id)
 }
 
 Filter.prototype.messages = function() {
-	return JSON.parse(eth.messages(this.options))
+	return eth.messages(this.id)
 }

ethereal/assets/qml/views/wallet.qml

@@ -5,7 +5,6 @@ import QtQuick.Dialogs 1.0;
 import QtQuick.Window 2.1;
 import QtQuick.Controls.Styles 1.1
 import Ethereum 1.0
-import "../../ext/filter.js" as Eth
 
 Rectangle {
 	id: root
@@ -152,7 +151,7 @@ Rectangle {
 				model: ListModel {
 					id: txModel
 					Component.onCompleted: {
-						var filter = new Eth.Filter({latest: -1, from: eth.key().address})
+                        var filter = ethx.watch({latest: -1, from: eth.key().address});
 						filter.changed(addTxs)
 
 						addTxs(filter.messages())
@@ -160,7 +159,7 @@ Rectangle {
 
 					function addTxs(messages) {
 						for(var i = 0; i < messages.length; i++) {
-							var message = messages[i];
+							var message = messages.get(i);
 							txModel.insert(0, {num: txModel.count, from: message.from, to: message.to, value: eth.numberToHuman(message.value)})
 						}
 					}

ethereal/gui.go

@@ -1,5 +1,8 @@
 package main
 
+// #include "/Users/jeffrey/go/src/github.com/go-qml/qml/cpp/capi.h"
+import "C"
+
 import (
 	"bytes"
 	"encoding/json"
@@ -10,7 +13,9 @@ import (
 	"strconv"
 	"strings"
 	"time"
+	"unsafe"
 
+	"bitbucket.org/binet/go-ffi/pkg/ffi"
 	"github.com/ethereum/eth-go"
 	"github.com/ethereum/eth-go/ethchain"
 	"github.com/ethereum/eth-go/ethdb"
@@ -23,6 +28,29 @@ import (
 	"gopkg.in/qml.v1"
 )
 
+func LoadExtension(path string) (uintptr, error) {
+	lib, err := ffi.NewLibrary(path)
+	if err != nil {
+		return 0, err
+	}
+
+	so, err := lib.Fct("sharedObject", ffi.Pointer, nil)
+	if err != nil {
+		return 0, err
+	}
+
+	ptr := so()
+
+	/*
+		err = lib.Close()
+		if err != nil {
+			return 0, err
+		}
+	*/
+
+	return ptr.Interface().(uintptr), nil
+}
+
 var logger = ethlog.NewLogger("GUI")
 
 type Gui struct {
@@ -91,6 +119,14 @@ func (gui *Gui) Start(assetPath string) {
 	context.SetVar("gui", gui)
 	context.SetVar("eth", gui.uiLib)
 
+	vec, errr := LoadExtension("/Users/jeffrey/Desktop/build-libqmltest-Desktop_Qt_5_2_1_clang_64bit-Debug/liblibqmltest_debug.dylib")
+	fmt.Printf("Fetched vec with addr: %#x\n", vec)
+	if errr != nil {
+		fmt.Println(errr)
+	} else {
+		context.SetVar("vec", (unsafe.Pointer)(vec))
+	}
+
 	// Load the main QML interface
 	data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
 

ethereal/ui_lib.go

@@ -37,15 +37,15 @@ type UiLib struct {
 	jsEngine *javascript.JSRE
 
 	filterCallbacks map[int][]int
-	filters         map[int]*GuiFilter
+	//filters         map[int]*ethpipe.JSFilter
 }
 
 func NewUiLib(engine *qml.Engine, eth *eth.Ethereum, assetPath string) *UiLib {
-	return &UiLib{JSPipe: ethpipe.NewJSPipe(eth), engine: engine, eth: eth, assetPath: assetPath, jsEngine: javascript.NewJSRE(eth), filterCallbacks: make(map[int][]int), filters: make(map[int]*GuiFilter)}
+	return &UiLib{JSPipe: ethpipe.NewJSPipe(eth), engine: engine, eth: eth, assetPath: assetPath, jsEngine: javascript.NewJSRE(eth), filterCallbacks: make(map[int][]int)} //, filters: make(map[int]*ethpipe.JSFilter)}
 }
 
-func (self *UiLib) Note(msg string) {
-	logger.Infoln(msg)
+func (self *UiLib) Notef(args []interface{}) {
+	logger.Infoln(args...)
 }
 
 func (self *UiLib) LookupDomain(domain string) string {
@@ -164,46 +164,37 @@ func (self *UiLib) StartDebugger() {
 	dbWindow.Show()
 }
 
-func (self *UiLib) RegisterFilter(object map[string]interface{}, seed int) {
-	filter := &GuiFilter{ethpipe.NewJSFilterFromMap(object, self.eth), seed}
-	self.filters[seed] = filter
-
+func (self *UiLib) NewFilter(object map[string]interface{}) int {
+	filter, id := self.eth.InstallFilter(object)
 	filter.MessageCallback = func(messages ethstate.Messages) {
-		for _, callbackSeed := range self.filterCallbacks[seed] {
-			self.win.Root().Call("invokeFilterCallback", filter.MessagesToJson(messages), seed, callbackSeed)
-		}
+		self.win.Root().Call("invokeFilterCallback", ethpipe.ToJSMessages(messages), id)
 	}
 
+	return id
 }
 
-func (self *UiLib) RegisterFilterString(typ string, seed int) {
-	filter := &GuiFilter{ethpipe.NewJSFilterFromMap(nil, self.eth), seed}
-	self.filters[seed] = filter
-
-	if typ == "chain" {
-		filter.BlockCallback = func(block *ethchain.Block) {
-			for _, callbackSeed := range self.filterCallbacks[seed] {
-				self.win.Root().Call("invokeFilterCallback", "{}", seed, callbackSeed)
-			}
-		}
+func (self *UiLib) NewFilterString(typ string) int {
+	filter, id := self.eth.InstallFilter(nil)
+	filter.BlockCallback = func(block *ethchain.Block) {
+		self.win.Root().Call("invokeFilterCallback", "{}", id)
 	}
+
+	return id
 }
 
-func (self *UiLib) RegisterFilterCallback(seed, cbSeed int) {
-	self.filterCallbacks[seed] = append(self.filterCallbacks[seed], cbSeed)
-}
-
-func (self *UiLib) UninstallFilter(seed int) {
-	filter := self.filters[seed]
+func (self *UiLib) Messages(id int) *ethutil.List {
+	filter := self.eth.GetFilter(id)
 	if filter != nil {
-		filter.Uninstall()
-		delete(self.filters, seed)
+		messages := filter.Find()
+
+		return ethpipe.ToJSMessages(messages)
 	}
+
+	return ethutil.EmptyList()
 }
 
-type GuiFilter struct {
-	*ethpipe.JSFilter
-	seed int
+func (self *UiLib) UninstallFilter(id int) {
+	self.eth.UninstallFilter(id)
 }
 
 func (self *UiLib) Transact(object map[string]interface{}) (*ethpipe.JSReceipt, error) {