added web visualizer, added CORS to server

.gitignore

@@ -16,4 +16,3 @@
 
 /*.conf
 /*.json
-web

exploreBlockchain.go

@@ -43,48 +43,50 @@ func explore(client *btcrpcclient.Client, blockHash string) {
 		Each Tx moves all the wallet amount, and the realTx amount is sent to the destination
 		and the rest of the wallet amount, is send to another owned wallet
 		*/
-		for k, txHash := range block.Tx {
+		if len(block.Tx) < 10 {
-			//first Tx is the Fee
+			for k, txHash := range block.Tx {
-			//after first Tx is the Sent Amount
+				//first Tx is the Fee
-			if k > 0 {
+				//after first Tx is the Sent Amount
-				th, err := chainhash.NewHashFromStr(txHash)
+				if k > 0 {
-				check(err)
+					th, err := chainhash.NewHashFromStr(txHash)
-				tx, err := client.GetRawTransactionVerbose(th)
-				check(err)
-				var originAddress string
-				for _, Vi := range tx.Vin {
-					th, err := chainhash.NewHashFromStr(Vi.Txid)
 					check(err)
-					txVi, err := client.GetRawTransactionVerbose(th)
+					tx, err := client.GetRawTransactionVerbose(th)
 					check(err)
-					if len(txVi.Vout[0].ScriptPubKey.Addresses) > 0 {
+					var originAddress string
-						originAddress = txVi.Vout[0].ScriptPubKey.Addresses[0]
+					for _, Vi := range tx.Vin {
+						th, err := chainhash.NewHashFromStr(Vi.Txid)
+						check(err)
+						txVi, err := client.GetRawTransactionVerbose(th)
+						check(err)
+						if len(txVi.Vout[0].ScriptPubKey.Addresses) > 0 {
+							originAddress = txVi.Vout[0].ScriptPubKey.Addresses[0]
+						}
+					}
+					for _, Vo := range tx.Vout {
+						totalAmount = totalAmount + Vo.Value
+
+						var blockTx TxModel
+						blockTx.Txid = tx.Txid
+						blockTx.Amount = Vo.Value
+						blockTx.From = originAddress
+						blockTx.To = Vo.ScriptPubKey.Addresses[0]
+						newBlock.Tx = append(newBlock.Tx, blockTx)
 					}
 				}
-				for _, Vo := range tx.Vout {
-					totalAmount = totalAmount + Vo.Value
-
-					var blockTx TxModel
-					blockTx.Txid = tx.Txid
-					blockTx.Amount = Vo.Value
-					blockTx.From = originAddress
-					blockTx.To = Vo.ScriptPubKey.Addresses[0]
-					newBlock.Tx = append(newBlock.Tx, blockTx)
-				}
 			}
-		}
 
-		if totalAmount > 0 {
+			if totalAmount > 0 {
-			newBlock.Amount = totalAmount
+				newBlock.Amount = totalAmount
-			saveBlock(blockCollection, newBlock)
+				saveBlock(blockCollection, newBlock)
-			fmt.Print("Height: ")
+				fmt.Print("Height: ")
-			fmt.Println(newBlock.Height)
+				fmt.Println(newBlock.Height)
-			fmt.Print("Amount: ")
+				fmt.Print("Amount: ")
-			fmt.Println(newBlock.Amount)
+				fmt.Println(newBlock.Amount)
-			fmt.Print("Fee: ")
+				fmt.Print("Fee: ")
-			fmt.Println(newBlock.Fee)
+				fmt.Println(newBlock.Fee)
-			fmt.Println("-----")
+				fmt.Println("-----")
-			realBlocks++
+				realBlocks++
+			}
 		}
 
 		//set the next block
@@ -96,10 +98,12 @@ func explore(client *btcrpcclient.Client, blockHash string) {
 			var n2 NodeModel
 			n1.Id = t.From
 			n1.Label = t.From
+			n1.Title = t.From
 			n1.Value = 1
 			n1.Shape = "dot"
 			n2.Id = t.To
 			n2.Label = t.To
+			n2.Title = t.To
 			n2.Value = 1
 			n2.Shape = "dot"
 

main.go

@@ -10,6 +10,7 @@ import (
 
 	"github.com/btcsuite/btcrpcclient"
 	"github.com/fatih/color"
+	"github.com/gorilla/handlers"
 )
 
 var blockCollection *mgo.Collection
@@ -51,7 +52,7 @@ func main() {
 	}
 	if len(os.Args) > 1 {
 		if os.Args[1] == "-explore" {
-			fmt.Println("starting to explore blockchain")
+			color.Blue("starting to explore blockchain")
 			explore(client, config.GenesisBlock)
 		}
 	}
@@ -66,7 +67,14 @@ func main() {
 	//http server start
 	readServerConfig("./serverConfig.json")
 	color.Green("server running")
+	fmt.Print("port: ")
+	color.Green(serverConfig.ServerPort)
 	router := NewRouter()
-	log.Fatal(http.ListenAndServe(":"+serverConfig.ServerPort, router))
+
+	headersOk := handlers.AllowedHeaders([]string{"X-Requested-With", "Access-Control-Allow-Origin"})
+	originsOk := handlers.AllowedOrigins([]string{"*"})
+	methodsOk := handlers.AllowedMethods([]string{"GET", "HEAD", "POST", "PUT", "OPTIONS"})
+	log.Fatal(http.ListenAndServe(":"+serverConfig.ServerPort, handlers.CORS(originsOk, headersOk, methodsOk)(router)))
+	//log.Fatal(http.ListenAndServe(":"+serverConfig.ServerPort, router))
 
 }

mongoModels.go

@@ -16,19 +16,19 @@ type BlockModel struct {
 }
 
 type NodeModel struct {
-	Id    string
+	Id    string `json:"id"`
-	Label string
+	Label string `json:"label"`
-	Title string
+	Title string `json:"title"`
-	Group string
+	Group string `json:"group"`
-	Value int
+	Value int    `json:"value"`
-	Shape string
+	Shape string `json:"shape"`
 }
 
 type EdgeModel struct {
 	Txid   string
-	From   string
+	From   string  `json:"from"`
-	To     string
+	To     string  `json:"to"`
-	Label  float64
+	Label  float64 `json:"label"`
 	Arrows string
 }
 type NetworkModel struct {

serverRoutes.go

@@ -42,6 +42,7 @@ var routes = Routes{
 
 func Index(w http.ResponseWriter, r *http.Request) {
 	fmt.Fprintln(w, "ask for recommendations in /r")
+	//http.FileServer(http.Dir("./web"))
 }
 
 /*

web/.gitignore

@@ -0,0 +1,4 @@
+logs/*
+!.gitkeep
+node_modules
+bower_components

web/bower.json

@@ -0,0 +1,16 @@
+{
+  "name": "goBlockchainDataAnalysis",
+  "description": "goBlockchainDataAnalysis",
+  "version": "0.0.0",
+  "homepage": "https://github.com/arnaucode/goBlockchainDataAnalysis",
+  "license": "MIT",
+  "private": true,
+  "dependencies": {
+    "angular": "^1.6.2",
+    "angular-route": "^1.6.1",
+    "angular-chart.js": "^1.1.1",
+    "vis": "^4.18.1",
+    "materialize": "^0.100.1",
+    "toastr": "^2.1.3"
+  }
+}

web/controllers.js

@@ -0,0 +1,53 @@
+var urlapi = "http://127.0.0.1:3014/";
+
+//var urlapi = document.location.href + "api/";
+console.log(urlapi);
+
+var app = angular.module("webApp", ['chart.js']);
+var nodes, edges, container;
+var options = {
+  layout:{
+    improvedLayout: false
+  }/*,
+    physics:{
+        //stabilization: false,
+       // enabled: false
+    }*/
+};
+app.controller("webCtrl", function($scope, $http) {
+    //chart
+    $scope.labels=[];
+    $scope.data=[];
+    $scope.nodes=[];
+    $scope.edges=[];
+
+    $http.get(urlapi + 'map')
+    .then(function (data) {
+      console.log('data success');
+      console.log(data); // for browser console
+      $scope.nodes=data.data.Nodes;
+      $scope.edges=data.data.Edges;
+      console.log($scope.nodes);
+      console.log($scope.edges);
+      $scope.showMap();
+        //alert("Ara mateix es mostren (entre persones i tweets): " + nodes.length + " nodes.");
+        //$scope.refreshChart();
+    }, function(data){
+        console.log('data error');
+        console.log(status);
+        console.log(data);
+    });
+
+    $scope.showMap=function(){
+      var nodes = $scope.nodes;
+      var edges = $scope.edges;
+
+      container = document.getElementById('mynetwork');
+      var data = {
+        nodes: nodes,
+        edges: edges
+      };
+      var network = new vis.Network(container, data, options);
+      toastr.info("map completed");
+    };
+});

web/index.html

@@ -0,0 +1,116 @@
+<!DOCTYPE html>
+<html>
+
+<head>
+    <meta charset=utf-8>
+    <!--Import Google Icon Font-->
+    <link href="http://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
+    <!--Import materialize.css-->
+    <link type="text/css" rel="stylesheet" href="bower_components/materialize/dist/css/materialize.min.css" media="screen,projection" />
+
+    <!--Let browser know website is optimized for mobile-->
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+
+
+
+    <script type="text/javascript" src="bower_components/vis/dist/vis.min.js"></script>
+    <link href="bower_components/vis/dist/vis.min.css" rel="stylesheet" type="text/css" />
+    <link href="bower_components/vis/dist/vis-network.min.css" rel="stylesheet" type="text/css" />
+    <style type="text/css">
+        #mynetwork {
+            /*width: 75%;*/
+            height: 600px;
+            border: 1px solid lightgray;
+            display: inline-block;
+            top: 0px;
+            background: black;
+        }
+
+        .o-height600 {
+            max-height: 600px!important;
+        }
+
+        .o-height500 {
+            max-height: 500px!important;
+        }
+
+        .o-height300 {
+            max-height: 300px!important;
+        }
+
+        .o-overflowScroll {
+            /*max-height: 600px;*/
+            overflow-y: scroll;
+        }
+
+        .o-mouseoverGrey {
+            background: white;
+            cursor: pointer;
+        }
+
+        .o-mouseoverGrey:hover {
+            background: #cccccc;
+        }
+    </style>
+</head>
+
+<body>
+
+
+
+
+    <nav>
+        <div class="nav-wrapper teal lighten-2">
+            <a href="#" class="brand-logo">goBlockchainDataAnalysis</a>
+            <ul id="nav-mobile" class="right hide-on-med-and-down">
+                <li><a href="https://github.com/arnaucode/goBlockchainDataAnalysis" target="_blank"><b>Code</b></a></li>
+            </ul>
+        </div>
+    </nav>
+
+
+    <div class="row" ng-app="webApp" ng-controller="webCtrl">
+
+        <div class="col s3 o-height600">
+
+            <b>Comptes:</b><br>
+            <div class="input-field col s12">
+                <i class="material-icons prefix">search</i>
+                <input ng-model="userfilter" id="search" type="text" class="validate">
+                <label for="search">Search...</label>
+            </div>
+            <ul class="collection o-overflowScroll o-height500">
+                <li ng-click="clickUser(node)" class="collection-item o-mouseoverGrey" ng-repeat="node in nodes">
+                    <img ng-src="{{node.image}}" alt="" class="circle">
+                    <span class="title">{{node.id}}</title>
+                <i class="material-icons">launch</i>
+              </a>
+          </li>
+        </ul>
+      </div>
+      <div id="mynetwork" class="col s9">
+      </div>
+    </div>
+    <div class="row">
+    </div>
+
+      <!--Import jQuery before materialize.js-->
+      <script type="text/javascript" src="https://code.jquery.com/jquery-2.1.1.min.js"></script>
+      <script type="text/javascript" src="bower_components/materialize/dist/js/materialize.min.js"></script>
+
+      <!--<script src="/socket.io/socket.io.js"></script>-->
+
+      <!-- Angular js -->
+      <script src="bower_components/angular/angular.js"></script>
+      <script src="bower_components/angular-route/angular-route.js"></script>
+
+      <!-- Angular Chart -->
+      <script src="bower_components/chart.js/dist/Chart.min.js"></script>
+      <script src="bower_components/angular-chart.js/dist/angular-chart.min.js"></script>
+
+      <link type="text/css" rel="stylesheet" href="bower_components/toastr/toastr.css"/>
+      <script type="text/javascript" src="bower_components/toastr/toastr.js"></script>
+
+      <script type="text/javascript" src="controllers.js"></script>
+    </body>
+  </html>

web/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "goBlockchainDataAnalysis",
+  "private": true,
+  "version": "0.0.0",
+  "description": "goBlockchainDataAnalysis",
+  "repository": "https://github.com/arnaucode/goBlockchainDataAnalysis",
+  "license": "MIT",
+  "devDependencies": {
+    "bower": "^1.7.7",
+    "http-server": "^0.9.0"
+  },
+  "scripts": {
+    "postinstall": "bower install",
+    "prestart": "npm install",
+    "start": "http-server -p 8080 -c-1 ./"
+  },
+  "dependencies": {
+    "bower": "latest",
+	"connect": "latest",
+	"serve-static": "latest"
+  }
+}

web/webserver.js

@@ -0,0 +1,6 @@
+connect = require('connect');
+var serveStatic = require('serve-static');
+connect().use(serveStatic(__dirname)).listen(3010, function(){
+            console.log('Server running on 3010...');
+});
+