Fair Trade Coffee

A dApp implementing a coffee supply chain, to verify the authenticity and improve trackability of a coffee bean, from farm to consumer.

Contracts

• FarmerRole
• DistributorRole
• RetailerRole
• ConsumerRole
• SupplyChain

Environment

Truffle v5.1.24 (core: 5.1.24)
Solidity v0.5.16 (solc-js)
Node v13.8.0
Web3.js v1.2.1

Libraries used

This contract implements an access control inheritance strucutre, to ensure only the authorized players may execute function that modify the state of the coffee bean throughout it's lifecycle.

The Roles library ensures that only particular roles can perform these actions.

Setup Instructions

This project uses truffle so please ensure you have it installed

 npm i truffle - g

then

cd fair-trade-coffeee && truffle develop

This will get the local ethereum node up and running, in another terminal:

cd app/ && npm run dev

To run the front end. Ensure your Wallet is connected to http://localhost:9545 .

Test

To run tests simply:

1. truffle develop

2. compile

3. migrate

4. test