Supply-Chain-Management---BlockChain-UseCase

Supply Chain Management System

“Supply Chain Management”, Using this supply chain management a user can view the journey of mobile phone from the manufacturer to it's user. Through blockchain technology we can create a trusted, transparent system of this supply chain.

The API performs following functions:

• Registering Stakeholders(Manufacturer, Distributor and User) by providing Name, Password and type. It returns UserID.
• Login user with the User Id and Password.
• Register the mobile for the auction.
• View the mobile and Track the owners and journey in the supply chain.
• Transferring the ownership of the mobiles.

Tech Stack

This supply chain management system uses multiple technologies:

• Ethereum Blockchain- Ethereum Blockchain Stack (Tool used: Geth)
• VS-Code - Text Editor for writing code
• Twitter Bootstrap - great UI boilerplate for modern web apps
• node.js - evented I/O for the backend
• Express - fast node.js network app framework @tjholowaychuk
• web3.js - Ethereum Javascript API
• jQuery

And of course Dillinger itself is open source with a public repository on GitHub.

Installation

Node.js v6+ to run.

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

Installing Ethereum Package:

$ sudo apt-get install software-properties-common
$ sudo add-apt-repository -y ppa:ethereum/ethereum
$ sudo apt-get update
$ sudo apt-get install ethereum

Testing

Want to contribute? Great! Try these commands to work on this:

Open your favorite Terminal and run these commands.

Create local chain:

$ geth –rpc –rpcport “8085” --rpcapi=”db,eth,net,web3,personal,web3” --datadir data –networkid 123 –nodeiscover –maxpeers 0 init genesis.json

Launch Geth Console:

$ geth –rpc –rpcport “8085” --rpcapi=”db,eth,net,web3,personal,web3” --datadir data –networkid 123 –nodeiscover –maxpeers 0 console

Create new account (in geth console):

personal.newAccount(“passphrase”)

Mine some ether

miner.setEtherbase(personal.listAccounts[0]); miner.start()

Deploy the smart contract

loadScript(“mobilechain.js”)

P.S.: mobilechain.js file is in the directory and it's the web3 deploy form of smart contract.

Unlock Account 0th using this syntax

personal.unlockAccount(address, “password”, timeout)

P.S.: You can also use eth.accounts[0] in place of address for the 0th account in the geth.

Running node server instance using another terminal window

$ nodemon server.js

P.S.: Here I'm using nodemon for testing purpose.

Verify the deployment by navigating to your server address in your preferred browser.

127.0.0.1:5000

Todos

• Write MORE Tests
• Be happy to add functionalities and create PRs.

License

GNU

Free Software, Hell Yeah!