Starter kit - Ethereum Project

Introduction

This is a starter project kit for Ethereum Projects.

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes.

Prerequisites

1. Node js (We need this to install truffle and testrpc)
2. Testrpc - In memory Blockchain
3. Metamask - Helps run DApp in the browser itself.
4. Truffle Latest Version - Development Environment

PaperSpace Installation Steps

1. Sign In to Paperspace(https://www.paperspace.com) with Username: your email id and Password: your phone number

2. For Ubuntu/Mac - open Terminal and connect with - ssh paperspace@(your public ip ex:72.52.111.97) -L 8080:localhost:8080

   a. For further installations on paperspace linux vm,follow the installations steps from Case 2 : Ubuntu 16.04

3. For Windows:

   a. Download putty from https://www.putty.org/

   b. To configure SSH tunnel on putty follow - https://blog.devolutions.net/2017/4/how-to-configure-an-ssh-tunnel-on-putty

   c. For port forwarding follow - https://intranet.cs.hku.hk/csintranet/contents/technical/howto/putty-portforward.jsp

   d. For further installations on paperspace linux vm,follow the installations steps from Case 2 : Ubuntu 16.04

Installation Steps

Case 1 : Windows 10

1. Go to (https://nodejs.org/en/) to install nodejs.

**Note : Run command prompt as administrator for installation **

2. Install the tools via npm:

Open a NEW PowerShell prompt as Administrator (to ensure that it reloads), then run the following commands:

# npm install -g npm
# npm install -g -production windows-build-tools
# npm install -g ethereumjs-testrpc
# npm install -g truffle

3. Install webpack && webpack-dev-server

# npm install -g webpack
# npm install -g webpack-dev-server

4. Install Metamask for Chrome

5. Go to : (https://chrome.google.com/webstore/detail/metamask/nkbihfbeogaeaoehlefnkodbefgpgknn?hl=en)

6. Click on Add to Crome as shown in below image.

3. Click on Metamask plugin

4. Create New Password

5. Save Seedwords

Case 2 : OS : Ubuntu 16.04 and 18.04

Install Packages

First, update and install packages

# sudo apt-get update && sudo apt-get -y upgrade
# sudo apt-get -y install curl git vim build-essential 

Install NodeJs

Install NodeJs to execute the DAPP

# curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash -
# sudo apt-get install -y nodejs
# sudo npm install -g express

Install Truffle

Install Truffle packages

# sudo npm install -g truffle

Install testrpc

testprc uses ethereumjs to simulate full client behavior and make developing Ethereum

Install testrpc

# sudo npm install -g ethereumjs-testrpc

Launch testrpc

# testrpc -m "Your browser seedwords for metamask"

Install Metamask for Chrome

1. Go to : (https://chrome.google.com/webstore/detail/metamask/nkbihfbeogaeaoehlefnkodbefgpgknn?hl=en)
2. Click on Add to Crome as shown in below image.
3. Click on Metamask plugin
4. Create New Password
5. Save Seedwords

Install Webpack

# npm install -g webpack
# npm install -g webpack-dev-server

Setting Application

1. git clone https://github.com/shalmali86/Starter_kit.git && cd Starter_kit

2. npm install

3. truffle compile // This step will create build folder.

4. Open Terminal2 / Another Command promt

5. Start testrpc by command -> testrpc -m "seedwords of Metamsk"

6. truffle migrate //migrate smart contract to running blockchain

7. npm run dev // To run the application in browser

8. open "http://localhost:8080" in web browser

9. Enter value for 3 text boxes for pricipal , period , rate

10. Click on Calculate button

11. Metamask will open notification window

12. Accept transaction.

13. See result as interest.

Thank you!