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Implement database price feed

This commit is contained in:
Rene Vergara 2021-11-02 16:13:24 -05:00
parent 0f5a731d08
commit 01520adbc3
6 changed files with 93 additions and 26 deletions
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54
backend/app.js
View File

@ -6,6 +6,7 @@ const usermodel = require('./models/user');
const ownermodel = require('./models/owner');
const itemmodel = require('./models/item');
const ordermodel = require('./models/order');
const pricemodel = require('./models/price');
const mongoose = require('mongoose');
const stdrpc = require('stdrpc');
const CoinGecko = require('coingecko-api');
@ -27,6 +28,41 @@ const rpc = stdrpc({
const CoinGeckoClient = new CoinGecko();
var intervalObject = setInterval( function() {
CoinGeckoClient.simple.price({
ids: ['zcash'],
vs_currencies: ['usd', 'gbp', 'eur', 'cad', 'aud']
}).then((data) => {
pricemodel.findOneAndUpdate({currency: 'usd'}, { price: data.data.zcash.usd, timestamp: Date.now()}, {new:true, upsert:true}, function(err,docs) {
if(err) {
console.log(err);
}
});
pricemodel.findOneAndUpdate({currency: 'gbp'}, { price: data.data.zcash.gbp, timestamp: Date.now()}, {new:true, upsert:true}, function(err,docs) {
if(err) {
console.log(err);
}
});
pricemodel.findOneAndUpdate({currency: 'eur'}, { price: data.data.zcash.eur, timestamp: Date.now()}, {new:true, upsert:true}, function(err,docs) {
if(err) {
console.log(err);
}
});
pricemodel.findOneAndUpdate({currency: 'cad'}, { price: data.data.zcash.cad, timestamp: Date.now()}, {new:true, upsert:true}, function(err,docs) {
if(err) {
console.log(err);
}
});
pricemodel.findOneAndUpdate({currency: 'aud'}, { price: data.data.zcash.aud, timestamp: Date.now()}, {new:true, upsert:true}, function(err,docs) {
if(err) {
console.log(err);
}
});
}).catch((err) => {
console.log(err);
});
}, 90000);
app.use(bodyparser.json());
app.use((req, res, next) => {
@ -248,17 +284,19 @@ app.delete('/api/item/:id', (req, res, next) => {
app.get('/api/price', (req, res, next) => {
console.log('Get /api/price');
CoinGeckoClient.simple.price({
ids: ['zcash'],
vs_currencies: ['usd']
}).
then((data) => {
const price = pricemodel.findOne({currency: 'usd'}).then((document) => {
if (document != null) {
res.status(200).json({
message: 'price found!',
price: data.data.zcash.usd
price: document
});
});
} else {
res.status(204).json({
message: 'no price found!',
order: null
});
}
});
});
app.get('/api/order', (req, res, next) => {

10
backend/models/price.js Normal file
View File

@ -0,0 +1,10 @@
const mongoose = require('mongoose');
const priceSchema = mongoose.Schema({
currency: {type: String, required: true},
price: {type: Number, required: true},
timestamp: {type: Date, required: true, default: Date.now}
});
module.exports = mongoose.model('Price', priceSchema);

16
src/app/fullnode.service.ts
View File

@ -36,11 +36,17 @@ export class FullnodeService{
}
getPrice(){
let obs = this.http.get<{message: string, price: number}>('http://localhost:3000/api/price');
var currency = 'usd';
const params = new HttpParams().append('currency', currency);
let obs = this.http.get<{message: string, price: any}>('http://localhost:3000/api/price', { headers:{}, params: params, observe: 'response'});
obs.subscribe((PriceData) => {
this.dataStore.price = PriceData.price;
console.log(this.dataStore.price);
this._priceUpdated.next(Object.assign({},this.dataStore).price);
if (PriceData.status == 200) {
this.dataStore.price = PriceData.body!.price.price;
console.log("price", this.dataStore.price);
this._priceUpdated.next(Object.assign({},this.dataStore).price);
} else {
console.log('No price found for currency', currency);
}
});
return obs;
@ -59,7 +65,7 @@ export class FullnodeService{
subscribe((TxData) => {
var memos: string[] = [];
//this.addr = TxData.addr;
var re = /.*S4ZEC::(.*)\sReply-To:\s(z\w+)/;
var re = /.*ZGO::(.*)\sReply-To:\s(z\w+)/;
for (var i=0; i < TxData.txs.length; i++) {
var memo = this.hexToString(TxData.txs[i].memo);
//console.log(TxData.txs[i].blocktime);

1
src/app/login/login.component.html
View File

@ -12,6 +12,7 @@
||
</pre>
</h3>
<p class="text">Last block seen: {{ heightUpdate | async }}</p>
</mat-card>
</div>
<div align="center">

32
src/app/login/login.component.ts
View File

@ -1,8 +1,8 @@
import { Component, OnInit, OnDestroy, Injectable } from '@angular/core';
import { Component, OnInit, OnDestroy, Injectable, ChangeDetectorRef } from '@angular/core';
import { CanActivate, Router, RouterStateSnapshot, ActivatedRouteSnapshot, ActivatedRoute } from '@angular/router';
import { UserService } from '../user.service';
import { FullnodeService } from '../fullnode.service';
import { Subscription } from 'rxjs';
import { Subscription, Observable } from 'rxjs';
import { v4 as uuidv4 } from 'uuid';
var QRCode = require('easyqrcodejs');
var URLSafeBase64 = require('urlsafe-base64');
@ -16,33 +16,39 @@ var Buffer = require('buffer/').Buffer;
})
export class LoginComponent implements OnInit {
intervalHolder: any;
memos: string[] = [];
nodeAddress: string = '';
private FullnodeSub: Subscription = new Subscription();
private UserSub: Subscription = new Subscription();
public heightUpdate: Observable<number>;
public uZaddrUpdate: Observable<string>;
constructor(
private activatedRoute: ActivatedRoute,
public fullnodeService: FullnodeService,
private router: Router,
public userService: UserService
public userService: UserService,
private _changeDetectorRef: ChangeDetectorRef
){
//this.fullnodeService.getAddr();
this.heightUpdate = fullnodeService.heightUpdate;
this.uZaddrUpdate = userService.uZaddrUpdate;
}
ngOnInit(){
console.log('Activated route data in Component:::', this.activatedRoute.data);
//console.log('Activated route data in Component:::', this.activatedRoute.data);
this.activatedRoute.data.subscribe((addrData) => {
console.log('FETCH ADDRESS', addrData);
//console.log('FETCH ADDRESS', addrData);
this.nodeAddress = addrData.response.addr;
console.log('Node addres ', this.nodeAddress);
//console.log('Node addres ', this.nodeAddress);
var localToken = localStorage.getItem('s4z_token');
console.log(localToken);
//console.log(localToken);
if(localToken == null){
var token = uuidv4();
localStorage.setItem('s4z_token', token);
console.log('Showing QR code for login');
console.log(URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(token))));
var codeString = `zcash:${this.nodeAddress}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(token)))}`;
console.log(URLSafeBase64.encode(Buffer.from('ZGO::'.concat(token))));
var codeString = `zcash:${this.nodeAddress}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('ZGO::'.concat(token)))}`;
console.log(codeString);
var qrcode = new QRCode(document.getElementById("qrcode"), {
text: codeString,
@ -61,7 +67,7 @@ export class LoginComponent implements OnInit {
console.log('No login for existing token found');
console.log('Showing QR code for login');
//console.log(URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(localToken))));
var codeString = `zcash:${this.nodeAddress}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(localToken!)))}`;
var codeString = `zcash:${this.nodeAddress}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('ZGO::'.concat(localToken!)))}`;
console.log(codeString);
var qrcode = new QRCode(document.getElementById("qrcode"), {
text: codeString,
@ -73,10 +79,16 @@ export class LoginComponent implements OnInit {
});
}
});
this.intervalHolder = setInterval(() => {
this.fullnodeService.getHeight();
this.fullnodeService.getMemos();
this._changeDetectorRef.markForCheck();
}, 1000 * 75);
}
ngOnDestroy(){
this.FullnodeSub.unsubscribe();
this.UserSub.unsubscribe();
clearInterval(this.intervalHolder);
}
}

6
src/app/user.service.ts
View File

@ -33,12 +33,12 @@ export class UserService{
constructor(private http: HttpClient){
this.session = localStorage.getItem('s4z_token');
if (this.session != null) {
this.findUser(this.session);
this.findUser();
}
}
findUser(session: string) {
const params = new HttpParams().append('session', session);
findUser() {
const params = new HttpParams().append('session', this.session!);
let obs = this.http.get<{message: string, user: any}>('http://localhost:3000/api/getuser', { headers:{}, params: params, observe: 'response'});
obs.subscribe((UserDataResponse) => {