import  { Component, OnInit } from '@angular/core';
import {FullnodeService} from '../fullnode.service';
import {Subscription} from 'rxjs';

@Component({
	selector: 'app-header',
	templateUrl: './header.component.html',
	styleUrls: ['./header.component.css']
})

export class HeaderComponent implements OnInit {

	height = 0;
	private FullnodeSub: Subscription = new Subscription();
	constructor(public fullnodeService: FullnodeService){
	}


	ngOnInit(){
		this.fullnodeService.getHeight();
		this.FullnodeSub=this.fullnodeService.getHeightUpdateListener().
			subscribe((height: number) => {
			this.height = height;
		});
	}

}