RequireAssertRevert Contract

Description The RequireAssertRevert contract is a Solidity-based smart contract designed to manage a simple balance system. It includes mechanisms for depositing, withdrawing, and transferring funds, while enforcing certain conditions using require, assert, and revert. This contract serves as a practical example of error handling in Solidity, ensuring that operations are secure and valid.

Getting Started

Prerequisites To interact with this contract, you'll need:

Access to Remix, an online Solidity IDE.

MetaMask or another Ethereum wallet to deploy the contract on an Ethereum testnet or local blockchain. Executing the Program Open Remix:

Navigate to Remix.

Create a New File:

Click the "+" icon in the left-hand sidebar.

Save the file with a .sol extension (e.g., RequireAssertRevert.sol). Copy and Paste the Code:

solidity Copy code pragma solidity ^0.8.0;

contract RequireAssertRevert { address private owner; uint public balance;

constructor() {
    owner = msg.sender;
    balance = 0;
}

function deposit(uint amount) public {
    require(msg.sender == owner, "Only the owner can deposit funds");
    require(amount > 0, "Deposit amount must be greater than 0");
    balance += amount;
}

function withdraw(uint amount) public {
    require(msg.sender == owner, "Only the owner can withdraw funds");
    require(amount > 0, "Withdrawal amount must be greater than 0");
    require(balance >= amount, "Insufficient balance");

    balance -= amount;
    assert(balance >= 0);
}

function transfer(address recipient, uint amount) public {
    require(msg.sender == owner, "Only the owner can transfer funds");
    require(amount > 0, "Transfer amount must be greater than 0");
    require(balance >= amount, "Insufficient balance");

    balance -= amount;
    (bool success, ) = recipient.call{value: amount}("");
    if (!success) {
        revert("Transfer failed");
    }
}

}

Compile the Contract:

In the "Solidity Compiler" tab, ensure the compiler version is set to 0.8.0 or another compatible version. Click "Compile RequireAssertRevert.sol". Deploy the Contract:

Go to the "Deploy & Run Transactions" tab. Select RequireAssertRevert from the contract dropdown and click "Deploy". Ensure you're deploying the contract from the intended account (the owner's account). Interact with the Contract:

Once deployed, you can interact with the contract’s functions (deposit, withdraw, transfer) through the Remix interface. Only the contract owner (the account that deployed the contract) can execute these functions.

Authors

Vikash Singh

License

This project is licensed under the MIT License - see the LICENSE.md file for details