Setup

Step 1 : Paste the contract.sol in Remix IDE
Step 2 : Open Ganache and make sure it is running
Step 3 : Compile the solidity code & copy paste the abi in abi.js
Step 4 : In solidity deployment change the environment as Web3 provider and change the port number to 7545. Now we can see it is connected to ganache blockchain at network id 5777
Step 5 : Deploy the smart contract and copy paste the contract address in the env
Step 6 : Copy paste the public and private key of the ganache's first account(any account would do) in the env
Step 7 : npm install all the libraries in package.json
Step 8 : make sure mongodb is installed and the service is running. type mongo to check the status.
Step 9 : Run the application using the command node app or npm run start

Expected env