Smart Contracts Programming Tutorials, Guides & Best Practices

  npm install ethers

• Website: Ethers.js

• Description: The official documentation for OpenZeppelin’s smart contract libraries and tools.
• Key Features:
• Guides on using OpenZeppelin Contracts, SDK, and Defender.
• Best practices for secure smart contract development.
• Tutorials on integrating OpenZeppelin tools with DApps.
• Regularly updated with the latest security features.
• Website: OpenZeppelin Documentation

• Description: An interactive tutorial platform for learning Solidity by building a game.
• Key Features:
• Step-by-step lessons on Solidity and smart contract development.
• Interactive coding exercises and challenges.
• Gamified learning experience.
• Covers basic to advanced Solidity topics.
• Website: CryptoZombies

     npx hardhat run scripts/deploy.js --network ropsten

Once your contract is deployed, you can interact with it using Hardhat or a front-end interface.

- int: Signed integers (e.g., int256, int128)

- uint: Unsigned integers (e.g., uint256, uint128)

• Loops can be costly, especially if they iterate over large datasets. Limit the number of iterations or consider splitting loops into multiple transactions if possible.
• Example: Avoid looping over large arrays or mappings within a single transaction.

4. Use Efficient Data Structures