Contract 0xeb45921fedadf41df0bfcf5c33453acedda32441

/**
 *Submitted for verification at polygonscan.com on 2021-11-30
*/

// SPDX-License-Identifier: Unlicense
pragma solidity 0.8.7;

/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// Taken from Solmate: https://github.com/Rari-Capital/solmate

contract PolyZug {
    /*///////////////////////////////////////////////////////////////
                                  EVENTS
    //////////////////////////////////////////////////////////////*/

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

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

    string public constant name     = "pZUG";
    string public constant symbol   = "pZUG";
    uint8  public constant decimals = 18;

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

    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;

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

    mapping(address => bool) public isMinter;

    address public ruler;

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

    constructor() { ruler = msg.sender;}

    function approve(address spender, uint256 value) external returns (bool) {
        allowance[msg.sender][spender] = value;

        emit Approval(msg.sender, spender, value);

        return true;
    }

    function transfer(address to, uint256 value) external returns (bool) {
        balanceOf[msg.sender] -= value;

        // This is safe because the sum of all user
        // balances can't exceed type(uint256).max!
        unchecked {
            balanceOf[to] += value;
        }

        emit Transfer(msg.sender, to, value);

        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 value
    ) external returns (bool) {
        if (allowance[from][msg.sender] != type(uint256).max) {
            allowance[from][msg.sender] -= value;
        }

        balanceOf[from] -= value;

        // This is safe because the sum of all user
        // balances can't exceed type(uint256).max!
        unchecked {
            balanceOf[to] += value;
        }

        emit Transfer(from, to, value);

        return true;
    }

    /*///////////////////////////////////////////////////////////////
                             ORC PRIVILEGE
    //////////////////////////////////////////////////////////////*/

    function mint(address to, uint256 value) external {
        require(isMinter[msg.sender], "FORBIDDEN TO MINT");
        _mint(to, value);
    }

    function burn(address from, uint256 value) external {
        require(isMinter[msg.sender], "FORBIDDEN TO BURN");
        _burn(from, value);
    }

    /*///////////////////////////////////////////////////////////////
                         Ruler Function
    //////////////////////////////////////////////////////////////*/

    function setMinter(address minter, bool status) external {
        require(msg.sender == ruler, "NOT ALLOWED TO RULE");

        isMinter[minter] = status;
    }

    function setRuler(address ruler_) external {
        require(msg.sender == ruler ||ruler == address(0), "NOT ALLOWED TO RULE");

        ruler = ruler_;
    }


    /*///////////////////////////////////////////////////////////////
                          INTERNAL UTILS
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 value) internal {
        totalSupply += value;

        // This is safe because the sum of all user
        // balances can't exceed type(uint256).max!
        unchecked {
            balanceOf[to] += value;
        }

        emit Transfer(address(0), to, value);
    }

    function _burn(address from, uint256 value) internal {
        balanceOf[from] -= value;

        // This is safe because a user won't ever
        // have a balance larger than totalSupply!
        unchecked {
            totalSupply -= value;
        }

        emit Transfer(from, address(0), value);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

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