How to run

Smart Contract based Supply Chain Management for Data Integrity and Anti-Tampering.

Ropsten testnet is depricated so please use goerli network!!!

So first setup metamask wallet and enable testnet
get some test ethers from this webiste
now deploy this contract to polygon mumbai testnet via remix ide or hardhat or using any other tool . This might help
go to alchemy.com and create a app and select mumbai testnet and get the key it will look like this --> https://polygon-mumbai.g.alchemy.com/v2/<your_key>
Then go to contract.py on line 9 you see w3 so change the url there
after that change the account address ,key(private_key) and contract address in contract.py
key = '<account-private-key>'
account = w3.toChecksumAddress('<your-account-address>')
address = w3.toChecksumAddress('<contract-address>')
then run this command pip install -r requirements.txt (its better if you create virtual environment)
now everything is done so just run this command uvicorn main:app --reload this will start the backend server
Now go to http://localhost:8000/docs and add workers,products and status etc

Go to client folder and run this command npm install
Then go to componenst folder which is inside client folder and change contract address which is there 4 display file
its like const ContractAddress = '<your_contract_address>'
you can change contents of home page by editing home.js file
now everything is done you can run the command npm start
now your app is runnng on port 300

setup dht11 with arduino LINK
setup node red --> so basically node red is low code programming for event driven applications
so here we send data from arduino to com3 port and we setup a node at com3 port in node red (in built node) that collects data and from there we can modify or add data according to our needs and calls an API that will send our data to blockchain
json file for flow is here , you just need to go to node red settings and click on import flows or similar option that will import this flow to your node red and then you can see the code there and change it (its basically plain js code)

HOME PAGE

PRODUCTS PAGE

STATUS PAGE

DATA PAGE

Name		Name	Last commit message	Last commit date
Latest commit History 61 Commits
Screenshots		Screenshots
backend		backend
client		client
contracts		contracts
scripts		scripts
test		test
.gitignore		.gitignore
Node_Red.json		Node_Red.json
README.md		README.md
arduino_code.c		arduino_code.c
docker-compose.yml		docker-compose.yml
hardhat.config.js		hardhat.config.js
package-lock.json		package-lock.json
package.json		package.json