Rinkeby network contract address / tx

Address: 0x4e6C4D761ebab6569Eb2126a591d02e516214c6a

Transaction: 0x8e374fc066ae4a1815d4338f0f09304436f390767642cb096391687f44d954e0

Supply chain & data auditing

This repository containts an Ethereum DApp that demonstrates a Supply Chain flow between a Seller and Buyer. The user story is similar to any commonly used supply chain process. A Seller can add items to the inventory system stored in the blockchain. A Buyer can purchase such items from the inventory system. Additionally a Seller can mark an item as Shipped, and similarly a Buyer can mark an item as Received.

The DApp User Interface when running should look like...

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.

Give examples (to be clarified)

Installing

A step by step series of examples that tell you have to get a development env running

Clone this repository:

git clone https://github.com/udacity/nd1309/tree/master/course-5/project-6

Change directory to project-6 folder and install all requisite npm packages (as listed in package.json):

cd project-6
npm install

Launch Ganache:

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

Your terminal should look something like this:

In a separate terminal window, Compile smart contracts:

truffle compile

Your terminal should look something like this:

This will create the smart contract artifacts in folder build\contracts.

Migrate smart contracts to the locally running blockchain, ganache-cli:

truffle migrate

Your terminal should look something like this:

Test smart contracts:

truffle test

All 10 tests should pass.

In a separate terminal window, launch the DApp:

npm run dev

Built With

• Ethereum - Ethereum is a decentralized platform that runs smart contracts 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.
• OpenZeppelin - battle-tested framework of reusable smart contracts for Ethereum and other EVM and eWASM blockchains. I used Ownable.sol, Secondary.sol (ownership) and Roles.sol (for role based access control)

Authors

See also the list of contributors who participated in this project.

Acknowledgments

• Solidity
• Ganache-cli
• Truffle