Contract Source Code:

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

contract SOL {
    string public name = "Solana";  // Token Name
    string public symbol = "SOL";    // Token Symbol
    uint8 public decimals = 18;      // Number of decimals (18 is standard for ERC20)
    uint256 public totalSupply;      // Total supply of the token

    mapping(address => uint256) public balanceOf;      // Mapping to store the balance of each address
    mapping(address => mapping(address => uint256)) public allowance;  // Mapping for allowance (spending on behalf of others)

    // Events (optional but standard)
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);

    // Constructor to initialize total supply and assign it to the deployer's address
    constructor(uint256 initialSupply) {
        totalSupply = initialSupply * 10 ** uint256(decimals); // Adjust for decimals
        balanceOf[msg.sender] = totalSupply; // Assign total supply to deployer's address
        emit Transfer(address(0), msg.sender, totalSupply); // Emit the Transfer event
    }

    // Transfer tokens from the sender to the recipient
    function transfer(address recipient, uint256 amount) public returns (bool) {
        require(recipient != address(0), "ERC20: transfer to the zero address");
        require(balanceOf[msg.sender] >= amount, "ERC20: insufficient balance");

        balanceOf[msg.sender] -= amount;
        balanceOf[recipient] += amount;

        emit Transfer(msg.sender, recipient, amount);
        return true;
    }

    // Allow an address to spend a specified amount of tokens on behalf of the sender
    function approve(address spender, uint256 amount) public returns (bool) {
        require(spender != address(0), "ERC20: approve to the zero address");

        allowance[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true;
    }

    // Transfer tokens from one address to another, based on allowance
    function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        require(balanceOf[sender] >= amount, "ERC20: insufficient balance");
        require(allowance[sender][msg.sender] >= amount, "ERC20: allowance exceeded");

        balanceOf[sender] -= amount;
        balanceOf[recipient] += amount;
        allowance[sender][msg.sender] -= amount;

        emit Transfer(sender, recipient, amount);
        return true;
    }

    // Get the remaining number of tokens a spender is allowed to transfer on behalf of an owner
    function getAllowance(address owner, address spender) public view returns (uint256) {
        return allowance[owner][spender];
    }

    // Mint new tokens (can only be called by the contract owner or a specified minter)
    function mint(address account, uint256 amount) public returns (bool) {
        require(account != address(0), "ERC20: mint to the zero address");

        totalSupply += amount;
        balanceOf[account] += amount;

        emit Transfer(address(0), account, amount);
        return true;
    }

    // Burn tokens (destroy tokens from the caller's balance)
    function burn(uint256 amount) public returns (bool) {
        require(balanceOf[msg.sender] >= amount, "ERC20: burn amount exceeds balance");

        totalSupply -= amount;
        balanceOf[msg.sender] -= amount;

        emit Transfer(msg.sender, address(0), amount);
        return true;
    }
}