@@ -30,3 +30,6 @@
 - mantain connection with wallet using websockets
 
 - num address evolution throught time
+
+- fix error in exploreBlockchain.go, when getting the tx.Vin
+tx 8f04960da36beaa928b9693f7dca4afae5a6122bb6874d409a1156e4c6c55024 has 4 vin, but exploreBlockchain is only getting the first

@@ -71,6 +71,18 @@ "/address/network/{address}",
 		AddressNetwork,
 	},
 	Route{
+		"BlockSankey",
+		"GET",
+		"/block/{height}/sankey",
+		BlockSankey,
+	},
+	Route{
+		"TxSankey",
+		"GET",
+		"/tx/{txid}/sankey",
+		TxSankey,
+	},
+	Route{
 		"AddressSankey",
 		"GET",
 		"/address/sankey/{address}",
@@ -273,6 +285,139 @@ jNetwork, err := json.Marshal(network)
 		check(err)
 
 		fmt.Fprintln(w, string(jNetwork))
+	}
+}
+func BlockSankey(w http.ResponseWriter, r *http.Request) {
+	ipFilter(w, r)
+	vars := mux.Vars(r)
+	var heightString string
+	heightString = vars["height"]
+	height, err := strconv.ParseInt(heightString, 10, 64)
+	if err != nil {
+		fmt.Fprintln(w, "not valid height")
+	} else {
+		block := BlockModel{}
+		err := blockCollection.Find(bson.M{"height": height}).One(&block)
+
+		txs := []TxModel{}
+		err = txCollection.Find(bson.M{"blockheight": heightString}).All(&txs)
+		block.Txs = txs
+
+		var nodesCount int
+		mapNodeK := make(map[string]int)
+		var sankey SankeyModel
+		for _, tx := range block.Txs {
+			var sankeyNodeA SankeyNodeModel
+			sankeyNodeA.Node = nodesCount
+			mapNodeK["tx"] = nodesCount
+			nodesCount++
+			sankeyNodeA.Name = "tx"
+			sankey.Nodes = append(sankey.Nodes, sankeyNodeA)
+
+			for _, vin := range tx.Vin {
+				var sankeyNode SankeyNodeModel
+				sankeyNode.Node = nodesCount
+				mapNodeK[vin.Address] = nodesCount
+				nodesCount++
+				sankeyNode.Name = vin.Address
+				sankey.Nodes = append(sankey.Nodes, sankeyNode)
+
+				var sankeyLink SankeyLinkModel
+				sankeyLink.Source = mapNodeK[vin.Address]
+				sankeyLink.Target = mapNodeK["tx"]
+				sankeyLink.Value = vin.Amount
+				fmt.Println(sankeyLink)
+				sankey.Links = append(sankey.Links, sankeyLink)
+				fmt.Println(sankey.Links)
+			}
+
+			for _, vout := range tx.Vout {
+				var sankeyNode SankeyNodeModel
+				sankeyNode.Node = nodesCount
+				mapNodeK[vout.Address] = nodesCount
+				nodesCount++
+				sankeyNode.Name = vout.Address
+				sankey.Nodes = append(sankey.Nodes, sankeyNode)
+
+				var sankeyLink SankeyLinkModel
+				sankeyLink.Source = mapNodeK["tx"]
+				sankeyLink.Target = mapNodeK[vout.Address]
+				sankeyLink.Value = vout.Value
+				fmt.Println(sankeyLink)
+				sankey.Links = append(sankey.Links, sankeyLink)
+			}
+
+		}
+
+		fmt.Println("Sankey generated")
+		fmt.Println(sankey)
+
+		//convert []resp struct to json
+		jsonSankey, err := json.Marshal(sankey)
+		check(err)
+
+		fmt.Fprintln(w, string(jsonSankey))
+	}
+}
+func TxSankey(w http.ResponseWriter, r *http.Request) {
+	ipFilter(w, r)
+	vars := mux.Vars(r)
+	txid := vars["txid"]
+	if txid == "undefined" {
+		fmt.Fprintln(w, "not valid height")
+	} else {
+
+		tx := TxModel{}
+		err := txCollection.Find(bson.M{"txid": txid}).One(&tx)
+
+		var nodesCount int
+		mapNodeK := make(map[string]int)
+		var sankey SankeyModel
+		var sankeyNodeA SankeyNodeModel
+		sankeyNodeA.Node = nodesCount
+		mapNodeK["tx"] = nodesCount
+		nodesCount++
+		sankeyNodeA.Name = "tx"
+		sankey.Nodes = append(sankey.Nodes, sankeyNodeA)
+
+		fmt.Println(tx.Vin)
+		for _, vin := range tx.Vin {
+			var sankeyNode SankeyNodeModel
+			sankeyNode.Node = nodesCount
+			mapNodeK[vin.Address] = nodesCount
+			nodesCount++
+			sankeyNode.Name = vin.Address
+			sankey.Nodes = append(sankey.Nodes, sankeyNode)
+
+			var sankeyLink SankeyLinkModel
+			sankeyLink.Source = mapNodeK[vin.Address]
+			sankeyLink.Target = mapNodeK["tx"]
+			sankeyLink.Value = vin.Amount
+			sankey.Links = append(sankey.Links, sankeyLink)
+		}
+
+		for _, vout := range tx.Vout {
+			var sankeyNode SankeyNodeModel
+			sankeyNode.Node = nodesCount
+			mapNodeK[vout.Address] = nodesCount
+			nodesCount++
+			sankeyNode.Name = vout.Address
+			sankey.Nodes = append(sankey.Nodes, sankeyNode)
+
+			var sankeyLink SankeyLinkModel
+			sankeyLink.Source = mapNodeK["tx"]
+			sankeyLink.Target = mapNodeK[vout.Address]
+			sankeyLink.Value = vout.Value
+			sankey.Links = append(sankey.Links, sankeyLink)
+		}
+
+		fmt.Println("Sankey generated")
+
+		//convert []resp struct to json
+		jsonSankey, err := json.Marshal(sankey)
+		check(err)
+
+		fmt.Fprintln(w, string(jsonSankey))
 	}
 }
 func AddressSankey(w http.ResponseWriter, r *http.Request) {

@@ -15,10 +15,13 @@ </div>
     <div class="col-sm-8">
         <div class="panel">
             <div class="panel-heading c_deepPurpleG300to500">
-                <h3 class="panel-title">Block evolution</h3>
+                <h3 class="panel-title">Block transactions flow</h3>
             </div>
-            <div class="panel-body">
-
+            <div class="panel-body" style="height: 300px;overflow-y: hidden;">
+                <div id="sankeyChart">
+                    <canvas></canvas>
+                    <svg></svg>
+                </div>
             </div>
         </div>
     </div>

@@ -1,6 +1,6 @@
 'use strict';
 
-angular.module('app.block', ['ngRoute'])
+angular.module('app.block', ['ngRoute', 'ngSankey'])
 
     .config(['$routeProvider', function($routeProvider) {
         $routeProvider.when('/block/:height', {
@@ -15,6 +15,36 @@ $http.get(urlapi + 'block/' + $routeParams.height)
             .then(function(data, status, headers, config) {
                 console.log(data);
                 $scope.block = data.data;
+            }, function(data, status, headers, config) {
+                console.log('data error');
+            });
+
+
+        //Sankey
+        $scope.options = {
+            chart: '#sankeyChart',
+            width: 700,
+            height: 280,
+            margin: {top: 1, right: 1, bottom: 6, left: 1},
+            node: {width: 15, padding :10, showValue: false},
+            value: {format: ',.0f', unit : ''},
+            dynamicLinkColor: true,
+            trafficInLinks: true
+        };
+        $scope.data={
+            nodes: [],
+            links: []
+        };
+        $http.get(urlapi + 'block/' + $routeParams.height + '/sankey')
+            .then(function(data, status, headers, config) {
+                console.log('data success');
+                console.log(data);
+                $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) {
                 console.log('data error');
             });

@@ -45,3 +45,18 @@ </div>
         </div>
     </div>
 </div>
+<div class="row">
+    <div class="col-sm-12">
+        <div class="panel">
+            <div class="panel-heading c_deepPurpleG300to500">
+                <h3 class="panel-title">Transaction flow</h3>
+            </div>
+            <div class="panel-body" style="height: 300px;overflow-y: hidden;">
+                <div id="sankeyChart">
+                    <canvas></canvas>
+                    <svg></svg>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>

@@ -18,4 +18,32 @@ $scope.tx = data.data;
             }, function(data, status, headers, config) {
                 console.log('data error');
             });
+        //Sankey
+        $scope.options = {
+            chart: '#sankeyChart',
+            width: 1000,
+            height: 280,
+            margin: {top: 1, right: 1, bottom: 6, left: 1},
+            node: {width: 15, padding :10, showValue: false},
+            value: {format: ',.0f', unit : ''},
+            dynamicLinkColor: true,
+            trafficInLinks: true
+        };
+        $scope.data={
+            nodes: [],
+            links: []
+        };
+        $http.get(urlapi + 'tx/' + $routeParams.txid + '/sankey')
+            .then(function(data, status, headers, config) {
+                console.log('data success');
+                console.log(data);
+                $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) {
+                console.log('data error');
+            });
     });