sankey in frontend works, added logs system, added getLastTx in backend and frontend

.gitignore

@@ -17,3 +17,4 @@
 /*.conf
 /*.json
 *.mp4
+logs

README.md

@@ -1,6 +1,18 @@
 # goBlockchainDataAnalysis
 blockchain data analysis, written in Go
 
+
+![goBlockchainDataAnalysis](https://raw.githubusercontent.com/arnaucode/goBlockchainDataAnalysis/master/goBlockchainDataAnalysis01.png "goBlockchainDataAnalysis")
+
+
+![goBlockchainDataAnalysis](https://raw.githubusercontent.com/arnaucode/goBlockchainDataAnalysis/master/goBlockchainDataAnalysis02.png "goBlockchainDataAnalysis")
+
+
+![goBlockchainDataAnalysis](https://raw.githubusercontent.com/arnaucode/goBlockchainDataAnalysis/master/goBlockchainDataAnalysis05.png "goBlockchainDataAnalysis")
+
+
+![goBlockchainDataAnalysis](https://raw.githubusercontent.com/arnaucode/goBlockchainDataAnalysis/master/goBlockchainDataAnalysis04.png "goBlockchainDataAnalysis")
+
 ### Install
 1. Nodejs & NPM https://nodejs.org/
 2. MongoDB https://www.mongodb.com/

errors.go

@@ -1,9 +1,9 @@
 package main
 
-import "fmt"
+import "log"
 
 func check(err error) {
 	if err != nil {
-		fmt.Println(err)
+		log.Println(err)
 	}
 }

log.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"io"
+	"log"
+	"os"
+	"time"
+)
+
+func savelog() {
+	timeS := time.Now().String()
+	_ = os.Mkdir("logs", os.ModePerm)
+	logFile, err := os.OpenFile("logs/log-"+timeS+".log", os.O_CREATE|os.O_APPEND|os.O_RDWR, 0666)
+	if err != nil {
+		panic(err)
+	}
+	mw := io.MultiWriter(os.Stdout, logFile)
+	log.SetOutput(mw)
+}

main.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"fmt"
 	"log"
 	"net/http"
 	"os"
@@ -20,6 +19,7 @@ var dateCountCollection *mgo.Collection
 var hourCountCollection *mgo.Collection
 
 func main() {
+	savelog()
 	//read goBlockchainDataAbalysis config
 	readConfig("config.json")
 
@@ -33,50 +33,46 @@ func main() {
 	dateCountCollection = getCollection(session, "dateCounts")
 	hourCountCollection = getCollection(session, "hourCounts")
 
-	// create new client instance
-	client, err := btcrpcclient.New(&btcrpcclient.ConnConfig{
-		HTTPPostMode: true,
-		DisableTLS:   true,
-		Host:         config.Host + ":" + config.Port,
-		User:         config.User,
-		Pass:         config.Pass,
-	}, nil)
-	if err != nil {
-		log.Fatalf("error creating new btc client: %v", err)
-	}
-
-	// list accounts
-	accounts, err := client.ListAccounts()
-	if err != nil {
-		log.Fatalf("error listing accounts: %v", err)
-	}
-	// iterate over accounts (map[string]btcutil.Amount) and write to stdout
-	for label, amount := range accounts {
-		log.Printf("%s: %s", label, amount)
-	}
 	if len(os.Args) > 1 {
 		if os.Args[1] == "-explore" {
+			// create new client instance
+			client, err := btcrpcclient.New(&btcrpcclient.ConnConfig{
+				HTTPPostMode: true,
+				DisableTLS:   true,
+				Host:         config.Host + ":" + config.Port,
+				User:         config.User,
+				Pass:         config.Pass,
+			}, nil)
+			if err != nil {
+				log.Fatalf("error creating new btc client: %v", err)
+			}
+
+			// list accounts
+			accounts, err := client.ListAccounts()
+			if err != nil {
+				log.Fatalf("error listing accounts: %v", err)
+			}
+			// iterate over accounts (map[string]btcutil.Amount) and write to stdout
+			for label, amount := range accounts {
+				log.Printf("%s: %s", label, amount)
+			}
 			color.Blue("starting to explore blockchain")
 			explore(client, config.GenesisBlock)
-		}
-		/*if os.Args[1] == "-tree" {
-			color.Blue("starting to make tree")
-			addressTree(client, "fY3HZxu7HFKRcYzVSTXRZpAJMP4qba2oR6")
-		}*/
-	}
 
-	// Get the current block count.
-	blockCount, err := client.GetBlockCount()
-	if err != nil {
-		log.Fatal(err)
+			// Get the current block count.
+			blockCount, err := client.GetBlockCount()
+			if err != nil {
+				log.Fatal(err)
+			}
+			log.Printf("Block count: %d", blockCount)
+		}
 	}
-	log.Printf("Block count: %d", blockCount)
 
 	//http server start
 	readServerConfig("./serverConfig.json")
-	color.Green("server running")
-	fmt.Print("port: ")
-	color.Green(serverConfig.ServerPort)
+	log.Println("server running")
+	log.Print("port: ")
+	log.Println(serverConfig.ServerPort)
 	router := NewRouter()
 
 	headersOk := handlers.AllowedHeaders([]string{"X-Requested-With", "Access-Control-Allow-Origin"})

serverRoutes.go

@@ -26,6 +26,12 @@ var routes = Routes{
 		"/alladdresses",
 		AllAddresses,
 	},
+	Route{
+		"GetLastTx",
+		"Get",
+		"/lasttx",
+		GetLastTx,
+	},
 	Route{
 		"AddressNetwork",
 		"GET",
@@ -50,14 +56,6 @@ var routes = Routes{
 		"/houranalysis",
 		GetHourAnalysis,
 	},
-	/*
-		Route{
-			"SelectItem",
-			"GET",
-			"/selectItem/{userid}/{itemid}",
-			SelectItem,
-		},
-	*/
 }
 
 //ROUTES
@@ -95,6 +93,19 @@ func AllAddresses(w http.ResponseWriter, r *http.Request) {
 
 	fmt.Fprintln(w, string(jsonNodes))
 }
+func GetLastTx(w http.ResponseWriter, r *http.Request) {
+	ipFilter(w, r)
+
+	nodes := []NodeModel{}
+	err := nodeCollection.Find(bson.M{}).Limit(10).Sort("-$natural").All(&nodes)
+	check(err)
+
+	//convert []resp struct to json
+	jNodes, err := json.Marshal(nodes)
+	check(err)
+
+	fmt.Fprintln(w, string(jNodes))
+}
 func AddressNetwork(w http.ResponseWriter, r *http.Request) {
 	ipFilter(w, r)
 

web/views/main/main.html

@@ -3,10 +3,14 @@
         <div class="col-sm-4">
             <div class="panel">
                 <div class="panel-heading c_blueGrey300">
-                    <h3 class="panel-title">Last blocks</h3>
+                    <h3 class="panel-title">Last addresses</h3>
                 </div>
                 <div class="panel-body" style="max-height: 500px;overflow-y: scroll;">
-
+                    <div class="list-group-item" ng-repeat="node in addresses">
+                        <div class="row-content">
+                            <p class="list-group-item-text">{{node.id}}</p>
+                        </div>
+                    </div>
                 </div>
             </div>
         </div>

web/views/main/main.js

@@ -10,5 +10,14 @@ angular.module('app.main', ['ngRoute'])
 }])
 
 .controller('MainCtrl', function($scope, $http) {
-    
+    $scope.addresses = [];
+    $http.get(urlapi + 'lasttx')
+        .then(function(data, status, headers, config) {
+            console.log('data success');
+            console.log(data);
+
+            $scope.addresses = data.data;
+        }, function(data, status, headers, config) {
+            console.log('data error');
+        });
 });

web/views/sankey/sankey.html

@@ -19,7 +19,7 @@
         </div>
         <div class="col-sm-10">
             <div class="panel-heading c_blueGrey300">
-                <h3 class="panel-title">Sankey</h3>
+                <h3 class="panel-title">Sankey - address {{selectedAddress}}</h3>
             </div>
             <div class="panel-body">
                 <!--<ng-sankey id="sankeyChart" options="options" data="data"></ng-sankey>

web/views/sankey/sankey.js

@@ -10,7 +10,7 @@ angular.module('app.sankey', ['ngRoute', 'ngSankey'])
     }])
 
     .controller('SankeyCtrl', function($scope, $http, $routeParams) {
-
+        $scope.selectedAddress = "";
         $scope.options = {
             chart: '#sankeyChart',
             width: 960,
@@ -36,6 +36,9 @@ angular.module('app.sankey', ['ngRoute', 'ngSankey'])
             });
         $scope.getAddressSankey = function(address) {
             console.log(address);
+            $scope.selectedAddress = address.id;
+            $scope.data.nodes = [];
+            $scope.data.links = [];
             $http.get(urlapi + 'address/sankey/' + address.id)
                 .then(function(data, status, headers, config) {
                     console.log('data success');
@@ -43,6 +46,7 @@ angular.module('app.sankey', ['ngRoute', 'ngSankey'])
                     $scope.data.nodes = data.data.nodes;
                     $scope.data.links = data.data.links;
                     console.log($scope.data);
+                    d3.selectAll("svg > *").remove();
                     let chart = new d3.sankeyChart(data.data, $scope.options);
                     //$scope.data = data.data;
                 }, function(data, status, headers, config) {