Contract Source Code:

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

contract GulfCoin {
    string public name = "GULFCOIN";
    string public symbol = "GULF";
    uint8 public decimals = 18;
    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;
    mapping(address => mapping(address => uint256)) public allowance;

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);

    constructor() {
        uint256 initialSupply = 1_000_000_000_000 * 10 ** uint256(decimals);
        balanceOf[msg.sender] = initialSupply;
        totalSupply = initialSupply;
        emit Transfer(address(0), msg.sender, initialSupply);
    }

    function transfer(address recipient, uint256 amount) public returns (bool) {
        require(balanceOf[msg.sender] >= amount, "Balance too low");
        balanceOf[msg.sender] -= amount;
        balanceOf[recipient] += amount;
        emit Transfer(msg.sender, recipient, amount);
        return true;
    }

    function approve(address spender, uint256 amount) public returns (bool) {
        allowance[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
        require(balanceOf[sender] >= amount, "Balance too low");
        require(allowance[sender][msg.sender] >= amount, "Allowance too low");
        allowance[sender][msg.sender] -= amount;
        balanceOf[sender] -= amount;
        balanceOf[recipient] += amount;
        emit Transfer(sender, recipient, amount);
        return true;
    }

    function burn(uint256 amount) public {
        require(balanceOf[msg.sender] >= amount, "Balance too low");
        balanceOf[msg.sender] -= amount;
        totalSupply -= amount;
        emit Transfer(msg.sender, address(0), amount);
    }
}