Smart contract

[muskan171105]

This PR integrates Hardhat into the project to facilitate the development and deployment of smart contracts. The following changes have been made:

1. Added Hardhat Configuration:

   • Introduced a hardhat.config.js file to configure the Hardhat environment.
   • Set up the Solidity compiler with optimization settings.

2. Updated package.json:

   • Added necessary dependencies for Hardhat and Ethers.js.
   • Included scripts for testing and deploying smart contracts.

3. Directory Structure:

   • The following default directories are used:
     • Contracts: ./contracts for storing smart contracts.
     • Tests: ./test for writing tests for the contracts.
     • Scripts: ./scripts for deployment scripts.
     • Artifacts: ./artifacts for compiled contract artifacts.
     • Cache: ./cache for caching files.

Instructions to Run the Project

1. Install Dependencies: Make sure to install the project dependencies, including Hardhat:

   
   npm install

2. Set Up Environment Variables (if deploying):

   • Create a .env file in the root directory of the project.
   • Add the following lines to the .env file (replace with your actual keys):

     RINKEBY_URL=https://rinkeby.infura.io/v3/YOUR_INFURA_PROJECT_ID
     RINKEBY_PRIVATE_KEY=YOUR_PRIVATE_KEY
     MAINNET_URL=https://mainnet.infura.io/v3/YOUR_INFURA_PROJECT_ID
     MAINNET_PRIVATE_KEY=YOUR_PRIVATE_KEY

3. Run Hardhat Tests: To test the smart contracts, run:

   
   npm run test

4. Deploy Smart Contracts: To deploy the smart contracts, use:

   
   npm run deploy

This PR closed issue #9

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Name	Status	Preview	Comments	Updated (UTC)
crypto-purse	❌ Failed (Inspect)			Oct 16, 2024 10:02pm