Smart Contracts Programming Tutorials, Guides & Best Practices

• Description: A personal Ethereum blockchain used for testing smart contracts and DApps.
• Key Features:
• Instant mining of transactions.
• Detailed logging of all blockchain events.
• Configurable block intervals and gas limits.
• Support for both CLI and GUI versions.
• Website: Ganache

• Description: A smart contract testing framework for Ethereum, built on top of Ethers.js.
• Key Features:
• Advanced testing capabilities with concise syntax.
• Support for generating test smart contracts in Solidity.
• Easy integration with Hardhat.
• Generates comprehensive coverage reports.
• Website: Waffle

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract SimpleStorage {
    uint256 public storedData;

    function set(uint256 x) public {
        storedData = x;
    }

    function get() public view returns (uint256) {
        return storedData;
    }
}

Explanation: