diff --git a/app/src/app/app.module.ts b/app/src/app/app.module.ts
index f3b2050..6fbefc7 100644
--- a/app/src/app/app.module.ts
+++ b/app/src/app/app.module.ts
@@ -19,7 +19,9 @@ import { BlocksProvider } from '../providers/blocks/blocks';
     BrowserModule,
     HttpModule,
     PagesModule,
-    IonicModule.forRoot(InsightApp)
+    IonicModule.forRoot(InsightApp, {
+      locationStrategy: 'path'
+    })
   ],
   bootstrap: [IonicApp],
   entryComponents: [
diff --git a/app/src/providers/blocks/blocks.spec.ts b/app/src/providers/blocks/blocks.spec.ts
new file mode 100644
index 0000000..a39ab64
--- /dev/null
+++ b/app/src/providers/blocks/blocks.spec.ts
@@ -0,0 +1,58 @@
+import { TestBed, inject, async } from '@angular/core/testing';
+import { Http, HttpModule, BaseRequestOptions, Response, ResponseOptions } from '@angular/http';
+import { MockBackend } from '@angular/http/testing';
+import { BlocksProvider } from './blocks';
+import { ApiProvider } from '../api/api';
+
+describe('Blocks Provider', () => {
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [
+      ],
+      providers: [
+        BlocksProvider,
+        ApiProvider,
+        MockBackend,
+        BaseRequestOptions,
+        {
+          provide: Http,
+          useFactory: (mockBackend, options) => {
+            return new Http(mockBackend, options);
+          },
+          deps: [MockBackend, BaseRequestOptions]
+        }
+      ],
+
+      imports: [
+        HttpModule
+      ]
+
+    });
+  }));
+
+  it('should get blocks', inject([BlocksProvider, MockBackend], (blocksProvider, mockBackend) => {
+    const mockResponse: string = `{"blocks":[
+      {"height":1563,"size":228,"virtualSize":228,"hash":"489e6480e453d763f58535d0ee01caf12aaaa14950af795b497b227fdbfbc502","time":1522354162,"txlength":1,"poolInfo":{}},
+      {"height":1562,"size":228,"virtualSize":228,"hash":"48d7d1881936792f70ace3cdd1a7c4c1fd23271012f91158e3dcd5e41bcbcc8b","time":1522354162,"txlength":1,"poolInfo":{}},
+      {"height":1561,"size":228,"virtualSize":228,"hash":"56cce3c458da02bc0c69797362178a5329a634a349c4ac7a15a0569169143de9","time":1522354162,"txlength":1,"poolInfo":{}},
+      {"height":1560,"size":228,"virtualSize":228,"hash":"361c6eeadbd4547f8c821befda1d6e5cfcb82cb86069a01c473b53585d58fc34","time":1522354054,"txlength":1,"poolInfo":{}},
+      {"height":1559,"size":228,"virtualSize":228,"hash":"435fa05d887f2426e1be3737bf6ef97949431e5bf52f2034fd797068cebedff4","time":1522354054,"txlength":1,"poolInfo":{}},
+      {"height":1558,"size":228,"virtualSize":228,"hash":"32b34e269de0d96de19274c05cddf4a4b02abd2415935de5857c109a73b4bdd9","time":1522354054,"txlength":1,"poolInfo":{}},
+      {"height":1557,"size":228,"virtualSize":228,"hash":"658314048fe1882392748acc5bb99ad9ab0d34508552a13ad8cbd45bfd8b3350","time":1522354054,"txlength":1,"poolInfo":{}}
+      ],"length":7,"pagination":{"next":"2018-03-30","prev":"2018-03-28","currentTs":1522367999,"current":"2018-03-29","isToday":true,"more":false}}`;
+
+    mockBackend.connections.subscribe((connection) => {
+      connection.mockRespond(new Response(new ResponseOptions({
+        body: mockResponse
+      })));
+    });
+
+    blocksProvider.getBlocks().subscribe((response) => {
+      let blocks: any = JSON.parse(response._body).blocks;
+
+      expect(Array.isArray(blocks)).toBeTruthy();
+      expect(blocks.length).toBeGreaterThan(0);
+      expect(blocks.length).toBe(7);
+    });
+  }));
+});
diff --git a/app/src/providers/currency/currency.ts b/app/src/providers/currency/currency.ts
index 452fd10..0866276 100644
--- a/app/src/providers/currency/currency.ts
+++ b/app/src/providers/currency/currency.ts
@@ -26,10 +26,8 @@ export class CurrencyProvider {
     this.currencySymbol = this.defaultCurrency;
 
     let url: string = this.api.apiPrefix + 'explorers';
-    console.log('exploers url is', url);
     this.http.get(url).subscribe(
       (data) => {
-        console.log('', data);
         this.explorers = JSON.parse(data['_body']);
       },
       (err) => {
diff --git a/app/src/services/blocksService.ts b/app/src/services/blocksService.ts
index 6ebd7d3..9137647 100644
--- a/app/src/services/blocksService.ts
+++ b/app/src/services/blocksService.ts
@@ -3,6 +3,9 @@ import { Injectable } from '@angular/core';
 import { Subject } from 'rxjs';
 import { Block, InsightBlockObject } from '../models';
 
+/**
+ * @deprecated use BlocksProvider
+ */
 @Injectable()
 export class BlocksService {