Added toast to display feedback from transaction submission

app/src/pages/broadcast-tx/broadcast-tx.ts

@@ -1,15 +1,10 @@
 import { Component } from '@angular/core';
-import { IonicPage, NavController, NavParams } from 'ionic-angular';
+import { IonicPage } from 'ionic-angular';
+import { ToastController } from 'ionic-angular';
 import { FormBuilder, FormGroup, Validators } from '@angular/forms';
 import { Http } from '@angular/http';
 import { ApiProvider } from '../../providers/api/api';
 
-/**
- * Generated class for the BroadcastTxPage page.
- *
- * See http://ionicframework.com/docs/components/#navigation for more info
- * on Ionic pages and navigation.
- */
 @IonicPage()
 @Component({
   selector: 'page-broadcast-tx',
@@ -18,46 +13,45 @@ import { ApiProvider } from '../../providers/api/api';
 export class BroadcastTxPage {
 
   public title: string;
-  private nav: NavController;
   public transaction: string;
   public txForm: FormGroup;
   private status: string;
-  // private txid: any;
 
-  constructor(public navCtrl: NavController, public navParams: NavParams, public formBuilder: FormBuilder, private http: Http, private api: ApiProvider) {
-    this.nav = navCtrl;
+  constructor(
+    private toastCtrl: ToastController,
+    public formBuilder: FormBuilder,
+    private http: Http,
+    private api: ApiProvider,
+  ) {
     this.title = 'Broadcast Transaction';
     this.txForm = formBuilder.group({
       rawData: ['', Validators.pattern(/^[0-9A-Fa-f]+$/)]
     });
   }
 
-  public ionViewDidLoad(): void {
-    console.log('ionViewDidLoad BroadcastTxPage');
-  }
-
   public send(): void {
     let postData: any = {
       rawtx: this.transaction
     };
     this.status = 'loading';
 
-    console.log('the postData is', postData);
-
     this.http.post(this.api.apiPrefix + 'tx/send', postData)
     .subscribe(
-      response => console.log('response', response),
+      response => {
+        this.presentToast(response);
+      },
       err => console.log('err', err)
     );
-    /*
-      .error(function(data, status, headers, config) {
-        $scope.status = 'error';
-        if(data) {
-          $scope.error = data;
-        } else {
-          $scope.error = "No error message given (connection error?)"
-        }
-      });
-     */
+  }
+
+  private presentToast(response: any): void {
+    let body: any = JSON.parse(response._body);
+    let toast: any = this.toastCtrl.create({
+      message: 'Transaction successfully broadcast. Trasaction id: ' + body.txid,
+      position: 'middle',
+      showCloseButton: true,
+      dismissOnPageChange: true
+    });
+    toast.present();
   }
 }