Supply chain & data auditing

Overview

This DAPP is for a decentralized approach for certifcation schemes, issuance and verification. Any party can become a Certifier and assign a suitable Authority that can delegate authority of certification

Deployment Details

https://rinkeby.etherscan.io/address/0xe67F430aEC55CD984A729F9A1e4B0Da3E0F0d5dD from 0x345434c69B373476e9919E7e21F125e51d19fF68 address

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

Please make sure you've already installed ganache-cli, Truffle and enabled MetaMask extension in your browser.

Versions

 Truffle : 5.1.33
 Node : v14.16.0
 NPM : 6.14.11
 Sol : ^0.5.0
 @truffle/hdwallet-provider: ^1.0.37,

Installing

npm install

ganache-cli -m "spirit supply whale amount human item harsh scare congress discover talent hamster"

In a separate terminal window, test the DApp:

truffle compile
truffle migrate
truffle test

In a separate terminal window, launch the DApp:

npm run dev

Deployment:

To deploy the smart contract to the rinkeby test network below steps were followed -

After running tests:

truffle develop

to open the truffle console. Compile and deploy the smart contract using:

compile
truffle migrate --reset --network rinkeby

Images:

Activity Diagram

Sequence Diagram

State Diagram

Class Diagram

Built With

• Ethereum - Ethereum is a decentralized platform that runs smart contracts
• IPFS - IPFS is the Distributed Web | A peer-to-peer hypermedia protocol to make the web faster, safer, and more open.
• Truffle Framework - Truffle is the most popular development framework for Ethereum with a mission to make your life a whole lot easier.

Acknowledgments

• Solidity
• Ganache-cli
• Truffle
• IPFS
• Template code from Udacity