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Roman Liukshyn
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swarmcoin blockchain prototype
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‎LICENSE‎

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MIT License
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Copyright (c) 2019 Xavier Decuyper
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎README.md‎

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<p align="center">
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<a href="" rel="noopener">
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<img width=450px height=200px src="https://savjee.github.io/savjeecoin-frontend/assets/img/github-project-logo.png" alt="Project logo"></a>
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</p>
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<h3 align="center">SavjeeCoin Frontend</h3>
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<div align="center">
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[![Build Status](https://travis-ci.org/Savjee/savjeecoin-frontend.svg?branch=master)](https://travis-ci.org/Savjee/savjeecoin-frontend)
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[![GitHub Issues](https://img.shields.io/github/issues/Savjee/savjeecoin-frontend.svg)](https://github.com/Savjee/bearclaw/issues)
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[![GitHub Pull Requests](https://img.shields.io/github/issues-pr/Savjee/savjeecoin-frontend.svg)](https://github.com/Savjee/bearclaw/pulls)
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[![License](https://img.shields.io/badge/license-MIT-blue.svg)](/LICENSE)
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</div>
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---
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Angular application that allows you to interact with a blockchain. You can see the blocks on chain, see transaction within them and even create new transactions and mine blocks.
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Built on top of [SavjeeCoin](https://github.com/Savjee/SavjeeCoin) (simply Blockchain implementation in Javascript).
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## 👀 Live demo
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**[Check it out here.](https://savjee.github.io/savjeecoin-frontend/)** You can create transactions, mine blocks and explore your own blockchain.
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## 🏁 Getting Started <a name = "getting_started"></a>
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Get a copy of the SavjeeCoin front-end running on your local machine (for playing around, testing or development).
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```
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git clone https://github.com/Savjee/savjeecoin-frontend.git
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```
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Install the dependencies:
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```
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cd savjeecoin-frontend
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npm install
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```
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Run the application:
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```
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npm start
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```
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At this point the application should be running on your machine on [http://localhost:4200](http://localhost:4200)
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## 📸 Screenshots
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**Home page:** Seeing blocks on the chain & exploring transactions in each block.
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![](https://savjee.github.io/savjeecoin-frontend/assets/screenshots/blockchain-overview.png)
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**Creating new transactions:** You can create new transactions to any wallet for any amount (no validation). New transactions will be added to the "pending transactions", ready to be included in the next block.
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![](https://savjee.github.io/savjeecoin-frontend/assets/screenshots/create-new-transactions.png)
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**Pending transactinos:** List of all pending transactions. These will be included in the next block when the mining process starts.
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![](https://savjee.github.io/savjeecoin-frontend/assets/screenshots/pending-transactions.png)
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**Wallet details:** You can click on any wallet address and see an overview of that wallet: its current balance and all transaction to/from that wallet.
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![](https://savjee.github.io/savjeecoin-frontend/assets/screenshots/wallet-details.png)
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*⚠️This is for educational purposes only. This is by no means a complete blockchain implementation (nor does it aim to be one). Use it to learn how blockchains operate.*

‎angular.json‎

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{
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"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
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"version": 1,
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"newProjectRoot": "projects",
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"projects": {
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"savjeecoin-frontend": {
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"root": "",
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"sourceRoot": "src",
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"projectType": "application",
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"prefix": "app",
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"schematics": {
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"@schematics/angular:component": {
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"styleext": "scss"
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}
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},
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"architect": {
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"build": {
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"builder": "@angular-devkit/build-angular:browser",
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"options": {
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"outputPath": "dist/savjeecoin-frontend",
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"index": "src/index.html",
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"main": "src/main.ts",
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"polyfills": "src/polyfills.ts",
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"tsConfig": "src/tsconfig.app.json",
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"assets": [
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"src/favicon.ico",
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"src/assets"
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],
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"styles": [
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"src/styles.scss"
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],
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"scripts": []
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},
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"configurations": {
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"production": {
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"fileReplacements": [
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{
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"replace": "src/environments/environment.ts",
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"with": "src/environments/environment.prod.ts"
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}
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],
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"optimization": true,
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"outputHashing": "all",
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"sourceMap": false,
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"extractCss": true,
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"namedChunks": false,
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"aot": true,
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"extractLicenses": true,
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"vendorChunk": false,
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"buildOptimizer": true,
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"budgets": [
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{
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"type": "initial",
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"maximumWarning": "2mb",
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"maximumError": "5mb"
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}
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]
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}
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}
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},
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"serve": {
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"builder": "@angular-devkit/build-angular:dev-server",
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"options": {
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"browserTarget": "savjeecoin-frontend:build"
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},
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"configurations": {
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"production": {
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"browserTarget": "savjeecoin-frontend:build:production"
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}
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}
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},
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"extract-i18n": {
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"builder": "@angular-devkit/build-angular:extract-i18n",
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"options": {
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"browserTarget": "savjeecoin-frontend:build"
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}
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},
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"test": {
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"builder": "@angular-devkit/build-angular:karma",
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"options": {
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"main": "src/test.ts",
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"polyfills": "src/polyfills.ts",
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"tsConfig": "src/tsconfig.spec.json",
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"karmaConfig": "src/karma.conf.js",
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"styles": [
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"src/styles.scss"
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],
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"scripts": [],
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"assets": [
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"src/favicon.ico",
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"src/assets"
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]
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}
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},
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"lint": {
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"builder": "@angular-devkit/build-angular:tslint",
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"options": {
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"tsConfig": [
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"src/tsconfig.app.json",
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"src/tsconfig.spec.json"
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],
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"exclude": [
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"**/node_modules/**"
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]
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}
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}
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}
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},
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"savjeecoin-frontend-e2e": {
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"root": "e2e/",
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"projectType": "application",
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"prefix": "",
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"architect": {
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"e2e": {
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"builder": "@angular-devkit/build-angular:protractor",
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"options": {
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"protractorConfig": "e2e/protractor.conf.js",
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"devServerTarget": "savjeecoin-frontend:serve"
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},
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"configurations": {
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"production": {
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"devServerTarget": "savjeecoin-frontend:serve:production"
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}
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}
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},
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"lint": {
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"builder": "@angular-devkit/build-angular:tslint",
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"options": {
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"tsConfig": "e2e/tsconfig.e2e.json",
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"exclude": [
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"**/node_modules/**"
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]
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}
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}
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}
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}
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},
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"defaultProject": "savjeecoin-frontend"
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}

‎e2e/protractor.conf.js‎

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// Protractor configuration file, see link for more information
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// https://github.com/angular/protractor/blob/master/lib/config.ts
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const { SpecReporter } = require('jasmine-spec-reporter');
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exports.config = {
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allScriptsTimeout: 11000,
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specs: [
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'./src/**/*.e2e-spec.ts'
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],
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capabilities: {
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'browserName': 'chrome'
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},
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directConnect: true,
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baseUrl: 'http://localhost:4200/',
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framework: 'jasmine',
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jasmineNodeOpts: {
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showColors: true,
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defaultTimeoutInterval: 30000,
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print: function() {}
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},
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onPrepare() {
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require('ts-node').register({
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project: require('path').join(__dirname, './tsconfig.e2e.json')
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});
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jasmine.getEnv().addReporter(new SpecReporter({ spec: { displayStacktrace: true } }));
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}
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};

‎e2e/src/app.e2e-spec.ts‎

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import { AppPage } from './app.po';
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describe('workspace-project App', () => {
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let page: AppPage;
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beforeEach(() => {
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page = new AppPage();
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});
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it('should display welcome message', () => {
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page.navigateTo();
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expect(page.getTitleText()).toEqual('Welcome to savjeecoin-frontend!');
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});
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});

‎e2e/src/app.po.ts‎

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import { browser, by, element } from 'protractor';
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export class AppPage {
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navigateTo() {
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return browser.get('/');
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}
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getTitleText() {
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return element(by.css('app-root h1')).getText();
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}
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}

‎e2e/tsconfig.e2e.json‎

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{
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"extends": "../tsconfig.json",
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"compilerOptions": {
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"outDir": "../out-tsc/app",
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"module": "commonjs",
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"target": "es5",
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"types": [
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"jasmine",
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"jasminewd2",
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"node"
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]
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}
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}

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