github.com/muhammedhassanm/blockchain@v0.0.0-20200120143007-697261defd4d/Decentralized-Energy-Composer-master/angular-app/src/app/AllTransactions/AllTransactions.service.ts (about) 1 import { Injectable } from '@angular/core'; 2 import { DataService } from '../data.service'; 3 import { Observable } from 'rxjs/Observable'; 4 5 6 import 'rxjs/Rx'; 7 8 // Can be injected into a constructor 9 @Injectable() 10 export class AllTransactionsService { 11 12 private SYSTEM: string = 'Syste,'; 13 private Transactions; 14 15 constructor(private transactionService: DataService<Object> ) { 16 }; 17 18 //get all transactions 19 public getTransactions(): Observable<Object[]> { 20 return this.transactionService.transactions(); 21 } 22 23 24 25 }