Implements Zcash login

This commit is contained in:
Rene Vergara 2021-10-15 14:14:49 -05:00
parent 9926a1a4fe
commit 6059c04b75
40 changed files with 16742 additions and 615 deletions

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@ -1,5 +1,8 @@
{
"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
"cli": {
"analytics": false
},
"version": 1,
"newProjectRoot": "projects",
"projects": {
@ -27,6 +30,7 @@
"src/assets"
],
"styles": [
"./node_modules/@angular/material/prebuilt-themes/indigo-pink.css",
"src/styles.css"
],
"scripts": []
@ -94,6 +98,7 @@
"src/assets"
],
"styles": [
"./node_modules/@angular/material/prebuilt-themes/indigo-pink.css",
"src/styles.css"
],
"scripts": []

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backend/app.js Normal file
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const express = require('express');
const bodyparser = require('body-parser');
const app = express();
const postmodel = require('./models/post');
const usermodel = require('./models/user');
const mongoose = require('mongoose');
const stdrpc = require('stdrpc');
//const RequestIP = require('@supercharge/request-ip');
var db = require('./config/db');
mongoose.connect(db.url).then(() => {
console.log("connecting-- ", db);
}).catch(() => {
console.log("connection failed!");
});
var fullnode = require('./config/fullnode');
const rpc = stdrpc({
url: fullnode.url,
username: fullnode.username,
password: fullnode.password
});
app.use(bodyparser.json());
app.use((req, res, next) => {
res.setHeader("Access-Control-Allow-Origin", "*");
res.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
res.setHeader("Access-Control-Allow-Methods", "GET, POST, PATCH, DELETE, OPTIONS");
//req.ip = RequestIP.getClientIp(req);
next();
});
app.post('/api/posts', (req, res, next) => {
const post = new postmodel({
title: req.body.title,
content: req.body.content
});
post.save();
//console.log(req.ip);
res.status(201).json({
message: 'Post added successfully'
});
});
app.get('/api/posts', (req, res, next) => {
postmodel.find().
then((documents) => {
//console.log(documents);
res.status(200).json({
message: 'Posts Fetched successfully',
posts: documents
});
});
});
app.post('/api/users', (req, res, next) => {
const user = new usermodel({
address: req.body.address,
session: req.body.session,
blocktime: req.body.blocktime
});
user.save();
res.status(201).json({
message: 'User added successfully'
});
});
app.get('/api/users', (req, res, next) => {
//console.log(req.query);
usermodel.find({'address': req.query.address, 'session': req.query.session}).
then((documents) => {
console.log("Searching");
res.status(200).json({
message: 'Users found successfully',
users: documents
});
});
});
app.get('/api/getuser', (req, res, next) => {
usermodel.find({'session': req.query.session}).
then((documents) => {
console.log("Searching for user...");
if(documents.length > 0){
//console.log(documents);
res.status(200).json({
message: 'User found!',
user: documents
});
} else {
res.status(204).json({
message: 'User not found!',
user: null
});
}
});
});
app.get('/api/blockheight', (req, res, next) => {
rpc.getblock("-1", 1).then(block => {
res.status(200).json({
message: 'Found block',
height: block.height
});
});
});
app.get('/api/txs', (req, res, next) => {
rpc.z_listreceivedbyaddress(fullnode.addr, 5).then(txs => {
res.status(200).json({
message: 'Transactions found',
txs: txs
});
});
});
app.get('/api/getaddr', (req, res, next) => {
res.status(200).json({
message: 'Sending address',
addr: fullnode.addr
});
});
module.exports = app;

3
backend/config/db.js Normal file
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module.exports = {
url : 'mongodb://localhost:27017/test'
}

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module.exports = {
url: 'http://localhost:8232',
username: 'zecwallet',
password: 'rdsxlun6v4a',
addr: 'zs1xnpqd2tae9d95f8fhe4l0q7j44a5vf993m0pcnnvr56uqr4lgqlamesk5v4c5rhtvywc6lvlduy'
}

8
backend/models/post.js Normal file
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const mongoose = require('mongoose');
const postSchema = mongoose.Schema({
title: {type: String, required:true},
content: {type: String, required:true}
});
module.exports = mongoose.model('Post', postSchema);

9
backend/models/user.js Normal file
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@ -0,0 +1,9 @@
const mongoose = require('mongoose');
const userSchema = mongoose.Schema({
address: {type: String, required:true},
session: {type: String, required:true},
blocktime: {type: Number, required:true}
});
module.exports = mongoose.model('User', userSchema);

15965
package-lock.json generated

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@ -11,15 +11,22 @@
"private": true,
"dependencies": {
"@angular/animations": "~12.2.0",
"@angular/cdk": "^12.2.8",
"@angular/common": "~12.2.0",
"@angular/compiler": "~12.2.0",
"@angular/core": "~12.2.0",
"@angular/forms": "~12.2.0",
"@angular/material": "^12.2.8",
"@angular/platform-browser": "~12.2.0",
"@angular/platform-browser-dynamic": "~12.2.0",
"@angular/router": "~12.2.0",
"@supercharge/request-ip": "^1.1.2",
"angular-local-storage": "^0.7.1",
"easyqrcodejs": "^4.4.6",
"rxjs": "~6.6.0",
"tslib": "^2.3.0",
"urlsafe-base64": "^1.0.0",
"uuid": "^8.3.2",
"zone.js": "~0.11.4"
},
"devDependencies": {
@ -27,7 +34,9 @@
"@angular/cli": "~12.2.8",
"@angular/compiler-cli": "~12.2.0",
"@types/jasmine": "~3.8.0",
"@types/node": "^12.11.1",
"@types/node": "^12.20.33",
"@types/urlsafe-base64": "^1.0.28",
"@types/uuid": "^8.3.1",
"jasmine-core": "~3.8.0",
"karma": "~6.3.0",
"karma-chrome-launcher": "~3.1.0",

9
server.js Normal file
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const http = require('http');
const app = require('./backend/app');
const port = 3000;
app.set('port', port);
const server = http.createServer(app);
server.listen(port);

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@ -1,10 +1,21 @@
import { NgModule } from '@angular/core';
import { RouterModule, Routes } from '@angular/router';
import { PostCreateComponent } from './posts/post-create/post-create.component';
import { PostListComponent } from './posts/post-list/post-list.component';
import { ViewerComponent } from './viewer/viewer.component';
import { LoginComponent } from './login/login.component';
import { AuthGuardService } from './auth-guard.service';
const routes: Routes = [];
const routes: Routes = [
{ path: '', component: LoginComponent },
{ path: 'create', component: PostCreateComponent, canActivate: [AuthGuardService]},
{ path: 'view', component: PostListComponent, canActivate: [AuthGuardService]},
{ path: 'login', component: LoginComponent}
];
@NgModule({
imports: [RouterModule.forRoot(routes)],
exports: [RouterModule]
exports: [RouterModule],
providers: [AuthGuardService]
})
export class AppRoutingModule { }

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main{
margin-top: 16px;
width: 80%;
margin: auto;
}

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@ -1,501 +1,4 @@
<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
<!-- * * * * * * * * * * * The content below * * * * * * * * * * * -->
<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * -->
<!-- * * * * * * * * * * and can be replaced. * * * * * * * * * * * -->
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<style>
:host {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
font-size: 14px;
color: #333;
box-sizing: border-box;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
h1,
h2,
h3,
h4,
h5,
h6 {
margin: 8px 0;
}
p {
margin: 0;
}
.spacer {
flex: 1;
}
.toolbar {
position: absolute;
top: 0;
left: 0;
right: 0;
height: 60px;
display: flex;
align-items: center;
background-color: #1976d2;
color: white;
font-weight: 600;
}
.toolbar img {
margin: 0 16px;
}
.toolbar #twitter-logo {
height: 40px;
margin: 0 8px;
}
.toolbar #youtube-logo {
height: 40px;
margin: 0 16px;
}
.toolbar #twitter-logo:hover,
.toolbar #youtube-logo:hover {
opacity: 0.8;
}
.content {
display: flex;
margin: 82px auto 32px;
padding: 0 16px;
max-width: 960px;
flex-direction: column;
align-items: center;
}
svg.material-icons {
height: 24px;
width: auto;
}
svg.material-icons:not(:last-child) {
margin-right: 8px;
}
.card svg.material-icons path {
fill: #888;
}
.card-container {
display: flex;
flex-wrap: wrap;
justify-content: center;
margin-top: 16px;
}
.card {
all: unset;
border-radius: 4px;
border: 1px solid #eee;
background-color: #fafafa;
height: 40px;
width: 200px;
margin: 0 8px 16px;
padding: 16px;
display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
transition: all 0.2s ease-in-out;
line-height: 24px;
}
.card-container .card:not(:last-child) {
margin-right: 0;
}
.card.card-small {
height: 16px;
width: 168px;
}
.card-container .card:not(.highlight-card) {
cursor: pointer;
}
.card-container .card:not(.highlight-card):hover {
transform: translateY(-3px);
box-shadow: 0 4px 17px rgba(0, 0, 0, 0.35);
}
.card-container .card:not(.highlight-card):hover .material-icons path {
fill: rgb(105, 103, 103);
}
.card.highlight-card {
background-color: #1976d2;
color: white;
font-weight: 600;
border: none;
width: auto;
min-width: 30%;
position: relative;
}
.card.card.highlight-card span {
margin-left: 60px;
}
svg#rocket {
width: 80px;
position: absolute;
left: -10px;
top: -24px;
}
svg#rocket-smoke {
height: calc(100vh - 95px);
position: absolute;
top: 10px;
right: 180px;
z-index: -10;
}
a,
a:visited,
a:hover {
color: #1976d2;
text-decoration: none;
}
a:hover {
color: #125699;
}
.terminal {
position: relative;
width: 80%;
max-width: 600px;
border-radius: 6px;
padding-top: 45px;
margin-top: 8px;
overflow: hidden;
background-color: rgb(15, 15, 16);
}
.terminal::before {
content: "\2022 \2022 \2022";
position: absolute;
top: 0;
left: 0;
height: 4px;
background: rgb(58, 58, 58);
color: #c2c3c4;
width: 100%;
font-size: 2rem;
line-height: 0;
padding: 14px 0;
text-indent: 4px;
}
.terminal pre {
font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
color: white;
padding: 0 1rem 1rem;
margin: 0;
}
.circle-link {
height: 40px;
width: 40px;
border-radius: 40px;
margin: 8px;
background-color: white;
border: 1px solid #eeeeee;
display: flex;
justify-content: center;
align-items: center;
cursor: pointer;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
transition: 1s ease-out;
}
.circle-link:hover {
transform: translateY(-0.25rem);
box-shadow: 0px 3px 15px rgba(0, 0, 0, 0.2);
}
footer {
margin-top: 8px;
display: flex;
align-items: center;
line-height: 20px;
}
footer a {
display: flex;
align-items: center;
}
.github-star-badge {
color: #24292e;
display: flex;
align-items: center;
font-size: 12px;
padding: 3px 10px;
border: 1px solid rgba(27,31,35,.2);
border-radius: 3px;
background-image: linear-gradient(-180deg,#fafbfc,#eff3f6 90%);
margin-left: 4px;
font-weight: 600;
}
.github-star-badge:hover {
background-image: linear-gradient(-180deg,#f0f3f6,#e6ebf1 90%);
border-color: rgba(27,31,35,.35);
background-position: -.5em;
}
.github-star-badge .material-icons {
height: 16px;
width: 16px;
margin-right: 4px;
}
svg#clouds {
position: fixed;
bottom: -160px;
left: -230px;
z-index: -10;
width: 1920px;
}
/* Responsive Styles */
@media screen and (max-width: 767px) {
.card-container > *:not(.circle-link) ,
.terminal {
width: 100%;
}
.card:not(.highlight-card) {
height: 16px;
margin: 8px 0;
}
.card.highlight-card span {
margin-left: 72px;
}
svg#rocket-smoke {
right: 120px;
transform: rotate(-5deg);
}
}
@media screen and (max-width: 575px) {
svg#rocket-smoke {
display: none;
visibility: hidden;
}
}
</style>
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<router-outlet></router-outlet>
<app-header></app-header>
<main>
<router-outlet></router-outlet>
</main>

View File

@ -1,4 +1,5 @@
import { Component } from '@angular/core';
import { Post} from './posts/post.model';
@Component({
selector: 'app-root',
@ -6,5 +7,10 @@ import { Component } from '@angular/core';
styleUrls: ['./app.component.css']
})
export class AppComponent {
title = 'sell4zec';
//StoredPosts: Post[] = [];
title = 'sell4zec';
//onPostAdded(post: Post){
//this.StoredPosts.push(post);
//}
}

View File

@ -1,16 +1,43 @@
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { MatInputModule } from '@angular/material/input';
import { MatCardModule } from '@angular/material/card';
import { MatButtonModule } from '@angular/material/button';
import { MatToolbarModule } from '@angular/material/toolbar';
import { MatExpansionModule } from '@angular/material/expansion';
import { HttpClientModule } from '@angular/common/http';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { PostCreateComponent } from './posts/post-create/post-create.component';
import { HeaderComponent } from './header/header.component';
import { PostListComponent } from './posts/post-list/post-list.component';
import { PostService } from './posts/posts.service';
import { ViewerComponent } from './viewer/viewer.component';
import { LoginComponent } from './login/login.component';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
@NgModule({
declarations: [
AppComponent
AppComponent,
PostCreateComponent,
HeaderComponent,
ViewerComponent,
LoginComponent,
PostListComponent
],
imports: [
BrowserModule,
AppRoutingModule
AppRoutingModule,
FormsModule,
HttpClientModule,
MatInputModule,
MatCardModule,
MatButtonModule,
MatToolbarModule,
MatExpansionModule,
BrowserAnimationsModule
],
providers: [],
bootstrap: [AppComponent]

View File

@ -0,0 +1,44 @@
import { Injectable } from '@angular/core';
import { CanActivate, Router, RouterStateSnapshot, ActivatedRouteSnapshot } from '@angular/router';
import {HttpClient, HttpParams} from '@angular/common/http';
import { UserService } from './user.service';
import { Subscription } from 'rxjs';
@Injectable()
export class AuthGuardService implements CanActivate {
private UserSub: Subscription = new Subscription();
private addr = '';
constructor(
private router: Router,
private http: HttpClient,
public userService: UserService
){}
canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean {
const token = localStorage.getItem('s4z_token');
if(token != null){
this.userService.getUser(token);
this.UserSub = this.userService.getZaddrUpdateListener().
subscribe((addr) => {
if (addr != null) {
console.log(addr);
this.addr = addr;
} else {
console.log("No record for that token");
}
});
this.UserSub.unsubscribe();
if (this.addr != null) {
return true;
} else {
return false;
}
} else {
console.log("Not logged in");
this.router.navigate(['/login']);
return false;
}
}
}

View File

@ -0,0 +1,90 @@
import {Injectable} from '@angular/core';
import {Subject} from 'rxjs';
import {HttpClient, HttpParams} from '@angular/common/http';
import {UserService} from './user.service';
//import {User} from './user.model';
@Injectable({providedIn: 'root'})
export class FullnodeService{
private height = 0;
private memoList: string[] = [];
private addr: string = '';
private heightUpdated = new Subject<number>();
private memoUpdated = new Subject<string[]>();
private addrUpdated = new Subject<string>();
constructor(private http: HttpClient, public userService: UserService){
}
getHeight() {
this.http.get<{message: string, height: number}>('http://localhost:3000/api/blockheight').
subscribe((BlockData) => {
this.height = BlockData.height;
this.heightUpdated.next(this.height);
});
}
getHeightUpdateListener() {
return this.heightUpdated;
}
hexToString(hexString: string) {
var str = '';
for (var n=0; n < hexString.length; n +=2) {
str += String.fromCharCode(parseInt(hexString.substr(n, 2), 16));
}
return str;
}
getMemos() {
this.http.get<{message: string, txs: any}>('http://localhost:3000/api/txs').
subscribe((TxData) => {
var memos: string[] = [];
//this.addr = TxData.addr;
var re = /.*S4ZEC::(.*)\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);
if (re.test(memo)){
memos.push(memo);
var match = re.exec(memo);
if (match != null) {
var address = match[2];
var session = match[1];
var blocktime = TxData.txs[i].blocktime;
const params = new HttpParams().append('address', address).append('session', session);
this.http.get<{message: string, users: any}>('http://localhost:3000/api/users', {headers:{}, params: params}).
subscribe((UserData) => {
console.log(UserData.message);
console.log(UserData.users.length);
if (UserData.users.length == 0){
console.log(`No matching user found! Adding ${address} ${session} ${blocktime}`);
this.userService.addUser(address, session, blocktime);
}
});
}
}
}
this.memoList = memos;
this.memoUpdated.next(this.memoList);
});
}
getMemoUpdateListener() {
return this.memoUpdated;
}
getAddr() {
this.http.get<{message: string, addr: string}>('http://localhost:3000/api/getaddr').
subscribe((AddrData) => {
this.addr = AddrData.addr;
this.addrUpdated.next(this.addr);
});
}
getAddrUpdateListener() {
return this.addrUpdated;
}
}

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a{
text-decoration: none;
color: white;
}
ul{
list-style: none;
padding: 0;
margin: 0;
}
.spacer{
flex: 1 1 auto;
}

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@ -0,0 +1,16 @@
<mat-toolbar color="primary">
<span>
<a routerLink = "/">
ZEC Block Height: {{height}}
</a>
</span>
<span class="spacer"></span>
<ul>
<li>
<a mat-button routerLink = "/view" routerLinkAcitve = "mat-accent">Viewer</a>
</li>
<li>
<a mat-button routerLink = "/create" routerLinkActive = "mat-accent">New Post</a>
</li>
</ul>
</mat-toolbar>

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@ -0,0 +1,27 @@
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;
});
}
}

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@ -0,0 +1,3 @@
* {
font-family: 'Roboto Mono', monospace;
}

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@ -0,0 +1,27 @@
<br>
<div align="center">
<h1>Welcome to Sell4ZEC!</h1>
</div>
<table>
<colgroup>
<col span="1" style="width: 75%;">
<col span="1" style="width: 25%;">
</colgroup>
<tr>
<td>
<p>A non-custodial point-of-sale application, powered by Zcash.</p>
</td>
<td>
<div align="center" id="info">
<p>
Ensure you include your Reply-To shielded address!
</p>
<p>
Your shielded address is your username and all payments will be sent to it.
</p>
</div>
<br>
<div align="center" id="qrcode"></div>
</td>
</tr>
</table>

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import { Component, OnInit, OnDestroy, Injectable } from '@angular/core';
import { CanActivate, Router, RouterStateSnapshot, ActivatedRouteSnapshot } from '@angular/router';
import { UserService } from '../user.service';
import { FullnodeService } from '../fullnode.service';
import { Subscription } from 'rxjs';
import { v4 as uuidv4 } from 'uuid';
var QRCode = require('easyqrcodejs');
var URLSafeBase64 = require('urlsafe-base64');
var Buffer = require('buffer/').Buffer;
@Component({
selector: 'app-login',
templateUrl: './login.component.html',
styleUrls: ['./login.component.css']
})
export class LoginComponent implements OnInit {
memos: string[] = [];
private FullnodeSub: Subscription = new Subscription();
private UserSub: Subscription = new Subscription();
constructor(
public fullnodeService: FullnodeService,
private router: Router,
public userService: UserService
){
}
ngOnInit(){
this.fullnodeService.getMemos();
this.fullnodeService.getAddr();
this.FullnodeSub = this.fullnodeService.getAddrUpdateListener().
subscribe((addr: string) => {
var localToken = localStorage.getItem('s4z_token');
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:${addr}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(token)))}`;
console.log(codeString);
var qrcode = new QRCode(document.getElementById("qrcode"), {
text: codeString,
logo: "/assets/zcash.png",
logoWidth: 80,
logoHeight: 80
});
} else {
this.userService.getUser(localToken);
this.userService.getZaddrUpdateListener().
subscribe((userAddr: string) => {
if (userAddr != '') {
console.log('Log in found!');
this.router.navigate(['/create']);
} else {
console.log('No login for token found');
console.log('Showing QR code for login');
//console.log(URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(localToken))));
var codeString = `zcash:${addr}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(localToken!)))}`;
console.log(codeString);
var qrcode = new QRCode(document.getElementById("qrcode"), {
text: codeString,
logo: "/assets/zcash.png",
logoWidth: 80,
logoHeight: 80
});
}
});
}
});
//this.FullnodeSub=this.fullnodeService.getMemoUpdateListener().
//subscribe((memos: string[]) => {
//this.memos = memos;
//var addr = this.fullnodeService.getAddr();
//if(localStorage.getItem('s4z_token') == 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:${addr}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(token)))}`;
//console.log(codeString);
//var qrcode = new QRCode(document.getElementById("qrcode"), {
//text: codeString,
//logo: "/assets/zcash.png",
//logoWidth: 80,
//logoHeight: 80
//});
//} else {
//console.log(localStorage.getItem('s4z_token'));
//}
//});
}
ngOnDestroy(){
this.FullnodeSub.unsubscribe();
this.UserSub.unsubscribe();
}
}

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@ -0,0 +1,4 @@
mat-form-field,
textarea{
width:100%;
}

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@ -0,0 +1,13 @@
<mat-card>
<form (submit)="onAddPost(postForm)" #postForm="ngForm">
<mat-form-field>
<input matInput type="text" name="enteredTitle" ngModel required #enteredTitle="ngModel">
<mat-error *ngIf="enteredTitle.invalid">This field is required</mat-error>
</mat-form-field>
<mat-form-field>
<textarea matInput rows="6" name="enteredContent" ngModel required #enteredContent="ngModel"></textarea>
<mat-error *ngIf="enteredContent.invalid">This field is required</mat-error>
</mat-form-field>
<button mat-raised-button color="primary" type="submit" >Save Post</button>
</form>
</mat-card>

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@ -0,0 +1,34 @@
import {Component, EventEmitter, Output} from '@angular/core';
import { Post } from '../post.model';
import { NgForm } from '@angular/forms';
import { PostService } from '../posts.service';
@Component({
selector: 'app-post-create',
templateUrl: './post-create.component.html',
styleUrls: ['./post-create.component.css']
})
export class PostCreateComponent {
enteredTitle = '';
enteredContent = '';
constructor(public postsService: PostService){}
//@Output() postCreated = new EventEmitter<Post>();
onAddPost(form: NgForm) {
//console.log(this.enteredTitle);
//console.log(this.enteredContent);
if (form.invalid) {
return;
}
const post: Post = {
id: '',
title: form.value.enteredTitle,
content: form.value.enteredContent
};
//console.log("Pressed the button!");
//this.postCreated.emit(post);
this.postsService.addPost(form.value.enteredTitle, form.value.enteredContent);
}
}

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@ -0,0 +1,8 @@
:host{
Display: block;
margin-top: 1rem;
}
.info-text{
text-align: center;
}

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@ -0,0 +1,9 @@
<mat-accordion *ngIf = "posts.length > 0">
<mat-expansion-panel *ngFor="let post of posts">
<mat-expansion-panel-header>
{{post.title}}
</mat-expansion-panel-header>
<p>{{post.content}}</p>
</mat-expansion-panel>
</mat-accordion>
<p class = "info-text mat-body-1" *ngIf = "posts.length <= 0">No posts!</p>

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@ -0,0 +1,36 @@
import { Component, Input, OnInit, OnDestroy } from '@angular/core';
import { Post } from '../post.model';
import { PostService } from '../posts.service';
import { Subscription } from 'rxjs';
@Component({
selector: 'app-post-list',
templateUrl: './post-list.component.html',
styleUrls: ['./post-list.component.css']
})
export class PostListComponent implements OnInit, OnDestroy {
//posts=[
//{title: 'First Post', content:'This is the first post\'s content'},
//{title: 'Second Post', content:'This is the second post\'s content'},
//{title: 'Third Post', content:'This is the third post\'s content'}
//];
posts: Post[] = [];
private PostSub: Subscription = new Subscription();
constructor(public postsService: PostService){
//this.postsService = postsService;
}
ngOnInit(){
this.postsService.getPosts();
this.PostSub=this.postsService.getPostUpdateListener().
subscribe((posts: Post[]) => {
this.posts = posts;
});
}
ngOnDestroy(){
this.PostSub.unsubscribe();
}
}

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export interface Post {
id: string;
title: string;
content: string;
}

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@ -0,0 +1,35 @@
import {Post} from './post.model';
import {Injectable} from '@angular/core';
import {Subject} from 'rxjs';
import {HttpClient} from '@angular/common/http';
@Injectable({providedIn: 'root'})
export class PostService{
private posts: Post[] = [];
private postUpdated = new Subject<Post[]>();
constructor(private http: HttpClient){
}
getPosts(){
this.http.get<{message: string, posts: Post[]}>('http://localhost:3000/api/posts')
.subscribe((PostData) => {
this.posts = PostData.posts;
this.postUpdated.next([...this.posts]);
});
}
addPost(title: string, content: string){
const post: Post={id: '', title: title, content: content};
this.http.post<{message: string}>('http://localhost:3000/api/posts', post).
subscribe((responseData) => {
console.log(responseData.message);
this.posts.push(post);
this.postUpdated.next([...this.posts]);
});
}
getPostUpdateListener() {
return this.postUpdated;
}
}

6
src/app/user.model.ts Normal file
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export interface User {
_id: string;
address: string;
session: string;
blocktime: number;
}

42
src/app/user.service.ts Normal file
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@ -0,0 +1,42 @@
import {Injectable} from '@angular/core';
import {Subject} from 'rxjs';
import {HttpClient, HttpParams} from '@angular/common/http';
import {User} from './user.model';
@Injectable({providedIn: 'root'})
export class UserService{
private uZaddr = '';
private uZaddrUpdated = new Subject<string>();
constructor(private http: HttpClient){
}
addUser(address: string, session: string, blocktime: number) {
const user: User={_id: '', address: address, session: session, blocktime: blocktime};
this.http.post<{message: string}>('http://localhost:3000/api/users', user).
subscribe((responseData) => {
console.log(responseData.message);
});
}
getUser(session: string) {
const params = new HttpParams().append('session', session);
this.http.get<{message: string, user: any}>('http://localhost:3000/api/getuser', { headers:{}, params: params, observe: 'response'}).
subscribe((UserDataResponse) => {
console.log(UserDataResponse.status);
if (UserDataResponse.status == 200){
this.uZaddr = UserDataResponse.body!.user[0].address;
this.uZaddrUpdated.next(this.uZaddr);
} else {
this.uZaddrUpdated.next('');
}
});
}
getZaddrUpdateListener() {
return this.uZaddrUpdated;
}
}

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@ -0,0 +1,3 @@
* {
font-family: 'Roboto Mono', monospace;
}

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@ -0,0 +1,27 @@
<br>
<div align="center">
<h1>Welcome to Sell4ZEC!</h1>
</div>
<table>
<colgroup>
<col span="1" style="width: 75%;">
<col span="1" style="width: 25%;">
</colgroup>
<tr>
<td>
<p>A non-custodial point-of-sale application, powered by Zcash.</p>
</td>
<td>
<div align="center" id="info">
<p>
Ensure you include your Reply-To shielded address!
</p>
<p>
Your shielded address is your username and all payments will be sent to it.
</p>
</div>
<br>
<div align="center" id="qrcode"></div>
</td>
</tr>
</table>

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@ -0,0 +1,100 @@
import { Component, OnInit, OnDestroy, Injectable } from '@angular/core';
import { CanActivate, Router, RouterStateSnapshot, ActivatedRouteSnapshot } from '@angular/router';
import { UserService } from '../user.service';
import { FullnodeService } from '../fullnode.service';
import { Subscription } from 'rxjs';
import { v4 as uuidv4 } from 'uuid';
var QRCode = require('easyqrcodejs');
var URLSafeBase64 = require('urlsafe-base64');
var Buffer = require('buffer/').Buffer;
@Component({
selector: 'app-viewer',
templateUrl: './viewer.component.html',
styleUrls: ['./viewer.component.css']
})
export class ViewerComponent implements OnInit {
memos: string[] = [];
private FullnodeSub: Subscription = new Subscription();
private UserSub: Subscription = new Subscription();
constructor(
public fullnodeService: FullnodeService,
private router: Router,
public userService: UserService
){
}
ngOnInit(){
this.fullnodeService.getMemos();
this.fullnodeService.getAddr();
this.FullnodeSub = this.fullnodeService.getAddrUpdateListener().
subscribe((addr: string) => {
var localToken = localStorage.getItem('s4z_token');
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:${addr}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(token)))}`;
console.log(codeString);
var qrcode = new QRCode(document.getElementById("qrcode"), {
text: codeString,
logo: "/assets/zcash.png",
logoWidth: 80,
logoHeight: 80
});
} else {
this.userService.getUser(localToken);
this.userService.getZaddrUpdateListener().
subscribe((userAddr: string) => {
if (userAddr != '') {
console.log('Log in found!');
this.router.navigate(['/create']);
} else {
console.log('No login for token found');
console.log('Showing QR code for login');
//console.log(URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(localToken))));
var codeString = `zcash:${addr}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(localToken!)))}`;
console.log(codeString);
var qrcode = new QRCode(document.getElementById("qrcode"), {
text: codeString,
logo: "/assets/zcash.png",
logoWidth: 80,
logoHeight: 80
});
}
});
}
});
//this.FullnodeSub=this.fullnodeService.getMemoUpdateListener().
//subscribe((memos: string[]) => {
//this.memos = memos;
//var addr = this.fullnodeService.getAddr();
//if(localStorage.getItem('s4z_token') == 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:${addr}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(token)))}`;
//console.log(codeString);
//var qrcode = new QRCode(document.getElementById("qrcode"), {
//text: codeString,
//logo: "/assets/zcash.png",
//logoWidth: 80,
//logoHeight: 80
//});
//} else {
//console.log(localStorage.getItem('s4z_token'));
//}
//});
}
ngOnDestroy(){
this.FullnodeSub.unsubscribe();
this.UserSub.unsubscribe();
}
}

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@ -6,6 +6,9 @@
<base href="/">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" type="image/x-icon" href="favicon.ico">
<link rel="preconnect" href="https://fonts.gstatic.com">
<link href="https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@300&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
</head>
<body>
<app-root></app-root>

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@ -1 +1,5 @@
/* You can add global styles to this file, and also import other style files */
@import '@angular/material/prebuilt-themes/indigo-pink.css';
html, body { height: 100%; }
body { margin: 0; font-family: Roboto, "Helvetica Neue", sans-serif; }

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@ -3,7 +3,7 @@
"extends": "./tsconfig.json",
"compilerOptions": {
"outDir": "./out-tsc/app",
"types": []
"types": ["node"]
},
"files": [
"src/main.ts",