Token Cash

Overview ERC20

Price
$0.00 @ 0.000000 AVAX
Fully Diluted Market Cap
Total Supply:
2,910,930,852.486898 CASH

Holders:
914 addresses

Transfers:
-

Contract:
0x5E15C0A2dd5CF2E78d57BBF8c1A288495DcEeE770x5E15C0A2dd5CF2E78d57BBF8c1A288495DcEeE77

Decimals:
18

Social Profiles:
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# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
Cash

Compiler Version
v0.8.1+commit.df193b15

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 26 : Cash.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
import "./ERC20.sol";
import "./Ownable.sol";
import "./GOLD.sol";
import "./FarWestGames.sol";
import "./Bank.sol";

contract Cash is ERC20, Ownable {
  // a mapping from an address to whether or not it can mint / burn
  mapping(address => bool) controllers;
  // Swap tax / gold => Cash
  uint256 public Ratio = 15;

  // reference to the GOLD Token contract
  GOLD GoldCall;
  // reference to the FarWestGames NFT contract
  FarWestGames game;
  // reference to the FarWestGames BANK contract
  Bank bank;
  

  constructor() ERC20("Cash", "CASH") {}

  /**
   * mints $GOLD to a recipient
   * @param to the recipient of the $GOLD
   * @param amount the amount of $GOLD to mint
   */
  function mint(address to, uint256 amount) external {
    require(controllers[msg.sender], "Only controllers can mint");
    _mint(to, amount);
  }

  /**
   * burns $GOLD from a holder
   * @param from the holder of the $GOLD
   * @param amount the amount of $GOLD to burn
   */
  function burn(address from, uint256 amount) external {
    require(controllers[msg.sender], "Only controllers can burn");
    _burn(from, amount);
  }

  /**
   * swap $GOLD for Cash
   * @param amount the amount of $GOLD to swap
   */
  function swapGoldToCash(uint256 amount) external {
    uint goldBalance = GoldCall.balanceOf(msg.sender);
    require(goldBalance >= amount, "not enough funds");
    GoldCall.burn(msg.sender, amount);
    uint AllCowboy = getAllCowboy(msg.sender);
    uint AllIndians = getAllIndians(msg.sender);

    if (AllCowboy == 0) {
      _mint(msg.sender, amount);
    } else {
      uint tax = Ratio / (AllIndians / AllCowboy);
      if (tax > 50) tax = 50;
      uint part = 100 - tax;
      uint256 outputAmount = amount * part / 100;
      if (outputAmount > amount) {
        outputAmount = amount;
      }
      _mint(msg.sender, outputAmount);
    }
  }

  /**
   * swap $GOLD for Cash
   * @param amount the amount of $GOLD to swap
   */
  function swapCashToGold(uint256 amount) external {
    uint goldBalance = balanceOf(msg.sender);
    require(goldBalance >= amount, "not enough funds");
    _burn(msg.sender, amount);
    GoldCall.mint(msg.sender, amount);
  }

  /**
   * enables an address to mint / burn
   * @param controller the address to enable
   */
  function addController(address controller) external onlyOwner {
    controllers[controller] = true;
  }

  /**
   * disables an address from minting / burning
   * @param controller the address to disbale
   */
  function removeController(address controller) external onlyOwner {
    controllers[controller] = false;
  }

  function setGold(address _Gold) public onlyOwner {
    GoldCall = GOLD(_Gold);
  }

  function setGame(address _nGame) public onlyOwner {
    game = FarWestGames(_nGame);
  }

  function setBank(address _nBank) public onlyOwner {
    bank = Bank(_nBank);
  }

  function setRatio(uint newRatio) public onlyOwner {
    Ratio = newRatio;
  }

  /**
  * checks if a token is a Thief
  * @param tokenId the ID of the token to check
  * @return thief - whether or not a token is a Thief
  */
  function isThief(uint256 tokenId) public view returns (bool thief) {
    (thief, , , , , , , , ) = game.tokenTraits(tokenId);
  }

  function getAllCowboy(address sender) public view returns (uint) {
    uint256 allCowboys;
    uint256[] memory tokenIdsUnstaked = game.walletOfOwner(sender);
    uint256[] memory tokenIdsStaked = bank.getTokensOf(sender);
    for (uint256 i = 0; i < tokenIdsUnstaked.length; i++) {
      if (!isThief(tokenIdsUnstaked[i])) {
        allCowboys = allCowboys + 1;
      }
    }
    for (uint256 i = 0; i < tokenIdsStaked.length; i++) {
      if (!isThief(tokenIdsStaked[i])) {
        allCowboys = allCowboys + 1;
      }
    }
    return allCowboys;
  }

  function getAllIndians(address sender) public view returns (uint) {
    uint256 allIndians;
    uint256[] memory tokenIdsUnstaked = game.walletOfOwner(sender);
    uint256[] memory tokenIdsStaked = bank.getTokensOf(sender);
    for (uint256 i = 0; i < tokenIdsUnstaked.length; i++) {
      if (isThief(tokenIdsUnstaked[i])) {
        allIndians = allIndians + 1;
      }
    }
    for (uint256 i = 0; i < tokenIdsStaked.length; i++) {
      if (isThief(tokenIdsStaked[i])) {
        allIndians = allIndians + 1;
      }
    }
    if (allIndians == 0) allIndians = 1;
    return allIndians;
  }
}

File 2 of 26 : ERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/ERC20.sol)

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./IERC20Metadata.sol";
import "./Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

File 3 of 26 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

import "./Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 4 of 26 : GOLD.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
import "./ERC20.sol";
import "./Ownable.sol";

contract GOLD is ERC20, Ownable {
  // a mapping from an address to whether or not it can mint / burn
  mapping(address => bool) controllers;

  constructor() ERC20("GOLD", "GOLD") {
    _mint(msg.sender, 120000*10**18);
  }

  /**
   * mints $GOLD to a recipient
   * @param to the recipient of the $GOLD
   * @param amount the amount of $GOLD to mint
   */
  function mint(address to, uint256 amount) external {
    require(controllers[msg.sender], "Only controllers can mint");
    _mint(to, amount);
  }

  /**
   * burns $GOLD from a holder
   * @param from the holder of the $GOLD
   * @param amount the amount of $GOLD to burn
   */
  function burn(address from, uint256 amount) external {
    require(controllers[msg.sender], "Only controllers can burn");
    _burn(from, amount);
  }

  /**
   * enables an address to mint / burn
   * @param controller the address to enable
   */
  function addController(address controller) external onlyOwner {
    controllers[controller] = true;
  }

  /**
   * disables an address from minting / burning
   * @param controller the address to disbale
   */
  function removeController(address controller) external onlyOwner {
    controllers[controller] = false;
  }
}

File 5 of 26 : FarWestGames.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./Ownable.sol";
import "./Pausable.sol";
import "./ERC721Enumerable.sol";
import "./IFarWestGames.sol";
import "./IBank.sol";
import "./ITraits.sol";
import "./IGOLD.sol";
import "./ISeed.sol";

contract FarWestGames is
    IFarWestGames,
    ERC721Enumerable,
    Ownable,
    Pausable
{
    // mint price
    //uint256 public MINT_PRICE = 29 ether;
    uint256 public MINT_PRICE = 1.4 ether;
    // max number of tokens that can be minted - 50000 in production
    uint256 public immutable MAX_TOKENS = 50000;
    // number of tokens that can be claimed for free - 20% of MAX_TOKENS
    // uint256 public PAID_TOKENS = 3500;
    uint256 public PAID_TOKENS = 10000;
    // number of tokens have been minted so far
    uint16 public minted;

    // mapping from tokenId to a struct containing the token's traits
    mapping(uint256 => FarWestGamesTraits) public tokenTraits;
    // mapping from hashed(tokenTrait) to the tokenId it's associated with
    // used to ensure there are no duplicates
    mapping(uint256 => uint256) public existingCombinations;
    // reference to the Bank for choosing random cowboy
    IBank public bank;
    // reference to $gold for burning on mint
    IGOLD public gold;
    // reference to Traits
    ITraits public traits;
    address payable public treasury;

    mapping(address => uint256) public presaleMints;
    mapping(address => bool) whitelisted;
    bool public presaleOnly = true;
    uint256 public presaleLimit = 5;

    mapping(address => uint256) private airdrops;

    bool private _reentrant = false;

    modifier nonReentrant() {
        require(!_reentrant, "No reentrancy");
        _reentrant = true;
        _;
        _reentrant = false;
    }

    /**
     * instantiates contract and rarity tables
     */
    constructor(address _gold, address _traits, address payable _treasury)
        ERC721("Far West Games", "FWG")
    {
        gold = IGOLD(_gold);
        traits = ITraits(_traits);
        treasury = _treasury;
        _pause();
    }

    function getFreeMintOf(address account) external view returns (uint256) {
        return airdrops[account];
    }

    /***EXTERNAL */

    /**
     * mint a token - 90% cowboys, 10% cowboys
     * The first 20% are free to claim, the remaining cost $gold
     */
    function mint(uint256 amount, bool stake)
        external
        payable
        nonReentrant
        whenNotPaused
    {
        require(tx.origin == _msgSender(), "Only EOA");
        require(minted + amount <= MAX_TOKENS, "All tokens minted");
        require(amount > 0 && amount <= 30, "Invalid mint amount");

        if (minted < PAID_TOKENS) {
            require(
                minted + amount <= PAID_TOKENS,
                "All tokens on-sale already sold"
            );
            if (presaleOnly) {
                require(isWhitelisted(msg.sender), "You're not whitelisted");
                require(
                    presaleMints[msg.sender] + amount <= presaleLimit,
                    "You have already minted all your WL NFTs"
                );
            }
            require(amount * MINT_PRICE == msg.value, "Invalid payment amount");
        } else {
            require(msg.value == 0);
        }

        uint256 totalgoldCost = 0;
        uint16[] memory tokenIds = new uint16[](amount);
        address[] memory owners = new address[](amount);
        uint256 seed;
        uint256 firstMinted = minted;

        for (uint256 i = 0; i < amount; i++) {
            minted++;
            seed = random(minted);
            generate(minted, seed);
            address recipient = selectRecipient(seed);
            totalgoldCost += mintCost(minted);
            if (!stake || recipient != _msgSender()) {
                owners[i] = recipient;
            } else {
                tokenIds[i] = minted;
                owners[i] = address(bank);
            }
        }

        if (totalgoldCost > 0) gold.burn(_msgSender(), totalgoldCost);

        for (uint256 i = 0; i < owners.length; i++) {
            uint256 id = firstMinted + i + 1;
            if (!stake || owners[i] != _msgSender()) {
                _safeMint(owners[i], id);
                if (presaleOnly) {
                  presaleMints[_msgSender()]++;
                }
            }
        }
        if (stake) bank.addManyToBankAndPack(_msgSender(), tokenIds);
        moveFunds();
    }

    function freeMint(uint256 amount, bool stake)
        external
        nonReentrant
        whenNotPaused
    {
        require(tx.origin == _msgSender(), "Only EOA");
        require(minted + amount <= MAX_TOKENS, "All tokens minted");

        require(amount <= airdrops[_msgSender()], "Amount exceed airdrop");
        airdrops[_msgSender()] -= amount;

        uint16[] memory tokenIds = new uint16[](amount);
        address[] memory owners = new address[](amount);
        uint256 seed;
        uint256 firstMinted = minted;

        for (uint256 i = 0; i < amount; i++) {
            minted++;
            seed = random(minted);
            generate(minted, seed);
            address recipient = selectRecipient(seed);
            if (!stake || recipient != _msgSender()) {
                owners[i] = recipient;
            } else {
                tokenIds[i] = minted;
                owners[i] = address(bank);
            }
        }

        for (uint256 i = 0; i < owners.length; i++) {
            uint256 id = firstMinted + i + 1;
            if (!stake || owners[i] != _msgSender()) {
                _safeMint(owners[i], id);
            }
        }
        if (stake) bank.addManyToBankAndPack(_msgSender(), tokenIds);
    }

    /**
     * the first 20% are paid in AVAX
     * the next 20% are 20000 $gold
     * the next 40% are 40000 $gold
     * the final 20% are 80000 $gold
     * @param tokenId the ID to check the cost of to mint
     * @return the cost of the given token ID
     */
    function mintCost(uint256 tokenId) public view returns (uint256) {
        if (tokenId <= PAID_TOKENS) return 0;
        if (tokenId <= PAID_TOKENS + 10000) return 20000 ether;
        if (tokenId <= PAID_TOKENS + 30000) return 40000 ether;
        if (tokenId <= PAID_TOKENS + 40000) return 60000 ether;
        return 15000 ether;
    }

    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override nonReentrant {
        // Hardcode the Bank's approval so that users don't have to waste gas approving
        if (_msgSender() != address(bank))
            require(
                _isApprovedOrOwner(_msgSender(), tokenId),
                "ERC721: transfer caller is not owner nor approved"
            );
        _transfer(from, to, tokenId);
    }

    /***INTERNAL */

    /**
     * generates traits for a specific token, checking to make sure it's unique
     * @param tokenId the id of the token to generate traits for
     * @param seed a pseudorandom 256 bit number to derive traits from
     * @return t - a struct of traits for the given token ID
     */
    function generate(uint256 tokenId, uint256 seed)
        internal
        returns (FarWestGamesTraits memory t)
    {
        t = selectTraits(seed);
        if (existingCombinations[structToHash(t)] == 0) {
            tokenTraits[tokenId] = t;
            existingCombinations[structToHash(t)] = tokenId;
            return t;
        }
        return generate(tokenId, random(seed));
    }

    /**
     * uses A.J. Walker's Alias algorithm for O(1) rarity table lookup
     * ensuring O(1) instead of O(n) reduces mint cost by more than 50%
     * probability & alias tables are generated off-chain beforehand
     * @param seed portion of the 256 bit seed to remove trait correlation
     * @param traitType the trait type to select a trait for
     * @return the ID of the randomly selected trait
     */
    function selectTrait(uint16 seed, uint8 traitType)
        internal
        view
        returns (uint8)
    {
        return traits.selectTrait(seed, traitType);
    }

    /**
     * the first 20% (ETH purchases) go to the minter
     * the remaining 80% have a 10% chance to be given to a random staked cowboy
     * @param seed a random value to select a recipient from
     *
     */
    function selectRecipient(uint256 seed) internal view returns (address) {
        if (minted <= PAID_TOKENS || ((seed >> 245) % 10) != 0)
            return _msgSender();
        // top 10 bits haven't been used
        address indians = bank.randomCowboysOwner(seed >> 144);
        // 144 bits reserved for trait selection
        if (indians == address(0x0)) return _msgSender();
        return indians;
    }

    /**
     * selects the species and all of its traits based on the seed value
     * @param seed a pseudorandom 256 bit number to derive traits from
     * @return t -  a struct of randomly selected traits
     */
    function selectTraits(uint256 seed)
        internal
        view
        returns (FarWestGamesTraits memory t)
    {
        t.isIndians = (seed & 0xFFFF) % 10 != 0;
        uint8 shift = t.isIndians ? 0 : 10;

        seed >>= 16;
        t.base = selectTrait(uint16(seed & 0xFFFF), 0 + shift);

        seed >>= 16;
        t.top = selectTrait(uint16(seed & 0xFFFF), 1 + shift);

        seed >>= 16;
        t.pants = selectTrait(uint16(seed & 0xFFFF), 2 + shift);

        seed >>= 16;
        t.head = selectTrait(uint16(seed & 0xFFFF), 3 + shift);
        seed >>= 16;

        seed >>= 16;
        t.eyes = selectTrait(uint16(seed & 0xFFFF), 4 + shift);
        seed >>= 16;

        seed >>= 16;
        t.mouth = selectTrait(uint16(seed & 0xFFFF), 5 + shift);
        seed >>= 16;

        seed >>= 16;
        t.weapons = selectTrait(uint16(seed & 0xFFFF), 6 + shift);
        seed >>= 16;
    }

    /**
     * converts a struct to a 256 bit hash to check for uniqueness
     * @param s the struct to pack into a hash
     * @return the 256 bit hash of the struct
     */
    function structToHash(FarWestGamesTraits memory s)
        internal
        pure
        returns (uint256)
    {
        return
            uint256(
                keccak256(
                    abi.encodePacked(
                        s.isIndians,
                        s.base,
                        s.top,
                        s.pants,
                        s.head,
                        s.eyes,
                        s.mouth,
                        s.weapons,
                        s.alphaIndex
                    )
                )
            );
    }

    /**
     * generates a pseudorandom number
     * @param seed a value ensure different outcomes for different sources in the same block
     * @return a pseudorandom value
     */
    function random(uint256 seed) internal view returns (uint256) {
        return
            uint256(
                keccak256(
                    abi.encodePacked(
                        tx.origin,
                        blockhash(block.number - 1),
                        block.timestamp,
                        seed
                    )
                )
            );
    }

    function moveFunds() internal returns (bool, bytes memory) {
        (bool transaction, bytes memory value) = treasury.call{
            value: address(this).balance,
            gas: 100000
        }("");
        return (transaction, value);
    }

    /***READ */

    function getTokenTraits(uint256 tokenId)
        external
        view
        override
        returns (FarWestGamesTraits memory)
    {
        return tokenTraits[tokenId];
    }

    function getPaidTokens() external view override returns (uint256) {
        return PAID_TOKENS;
    }

    function walletOfOwner(address _owner)
        public
        view
        returns (uint256[] memory)
    {
        uint256 ownerTokenCount = balanceOf(_owner);
        uint256[] memory tokenIds = new uint256[](ownerTokenCount);
        for (uint256 i; i < ownerTokenCount; i++) {
            tokenIds[i] = tokenOfOwnerByIndex(_owner, i);
        }
        return tokenIds;
    }

    /***ADMIN */

    /**
     * called after deployment so that the contract can get random cowboy
     * @param _bank the address of the Bank
     */
    function setBank(address _bank) external onlyOwner {
        bank = IBank(_bank);
    }

    /**
     * allows owner to withdraw funds from minting
     */
    function withdraw() external onlyOwner {
        payable(owner()).transfer(address(this).balance);
    }

    /**
     * updates the number of tokens for sale
     */
    function setPaidTokens(uint256 _paidTokens) external onlyOwner {
        PAID_TOKENS = _paidTokens;
    }

    /**
     * enables owner to pause / unpause minting
     */
    function setPaused(bool _paused) external onlyOwner {
        if (_paused) _pause();
        else _unpause();
    }

    /***RENDER */

    function tokenURI(uint256 tokenId)
        public
        view
        override
        returns (string memory)
    {
        require(
            _exists(tokenId),
            "ERC721Metadata: URI query for nonexistent token"
        );
        return traits.tokenURI(tokenId);
    }

    function changePrice(uint256 _price) public onlyOwner {
        MINT_PRICE = _price;
    }

    function setTraits(address addr) public onlyOwner {
        traits = ITraits(addr);
    }

    function addAirdrops(address[] calldata accounts, uint256[] calldata values)
        public
        onlyOwner
    {
        require(accounts.length == values.length, "Accounts != Values");
        for (uint256 i = 0; i < values.length; i++) {
            airdrops[accounts[i]] = values[i];
        }
    }

    function togglePresale(bool _presaleOnly) external onlyOwner {
        presaleOnly = _presaleOnly;
    }

    function whitelistUsers(address[] memory addresses) public onlyOwner {
        for (uint256 i = 0; i < addresses.length; i++) {
            whitelisted[addresses[i]] = true;
        }
    }

    function unwhitelistUsers(address[] memory addresses) public onlyOwner {
        for (uint256 i = 0; i < addresses.length; i++) {
            whitelisted[addresses[i]] = false;
        }
    }

    function isWhitelisted(address _user) public view returns (bool) {
        return whitelisted[_user];
    }

    function setPresaleLimit(uint256 _presaleLimit) external onlyOwner {
        presaleLimit = _presaleLimit;
    }
}

File 6 of 26 : Bank.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC721Receiver.sol";
import "./Pausable.sol";
import "./FarWestGames.sol";
import "./GOLD.sol";
import "./Bonus.sol";
import "./IBank.sol";

contract Bank is Ownable, IERC721Receiver, Pausable {
    // maximum alpha score
    uint8 public constant MAX_ALPHA = 8;

    // struct to store a stake's token, owner, and earning values
    struct Stake {
        uint16 tokenId;
        uint80 value;
        address owner;
    }

    event TokenStaked(address owner, uint256 tokenId, uint256 value);
    event ThiefClaimed(uint256 tokenId, uint256 earned, bool unstaked);
    event PoliceClaimed(uint256 tokenId, uint256 earned, bool unstaked);

    mapping(address => uint256[]) private bags;

    // reference to the FarWestGames NFT contract
    FarWestGames game;
    // reference to the $gold contract for minting $gold earnings
    GOLD gold;
    // reference to the Bonus contract for add more things cool in this game
    Bonus BonusCall;

    // Sheriff multisig Wallet
    address private SheriffWallet = 0xa329b6Bda00c083D82B52605c68a7644359e74D2;

    // maps tokenId to stake
    mapping(uint256 => Stake) public bank;
    // maps alpha to all Police stakes with that alpha
    mapping(uint256 => Stake[]) public pack;
    // tracks location of each Police in Pack
    mapping(uint256 => uint256) public packIndices;
    // total alpha scores staked
    uint256 public totalAlphaStaked = 0;
    // any rewards distributed when no wolves are staked
    uint256 public unaccountedRewards = 0;
    // amount of $gold due for each alpha point staked
    uint256 public goldPerAlpha = 0;

    // thief earn 10000 $gold per day
    uint256 public DAILY_gold_RATE = 10000 ether;
    // The SHERIFF Tax its the far west bro...
    uint256 public SHERIFF_TAX = 20;
    // uint256 public MINIMUM_TO_EXIT = 2 days;
    uint256 public MINIMUM_TO_EXIT = 2 days;
    // wolves take a 20% tax on all $gold claimed
    uint256 public constant gold_CLAIM_TAX_PERCENTAGE = 20;
    // there will only ever be (roughly) 2.4 billion $gold earned through staking
    uint256 public constant MAXIMUM_GLOBAL_gold = 1000000000 ether;

    // amount of $gold earned so far
    uint256 public totalgoldEarned;
    // number of Thief staked in the Bank
    uint256 public totalThiefStaked;
    // the last time $gold was claimed
    uint256 public lastClaimTimestamp;

    // emergency rescue to allow unstaking without any checks but without $gold
    bool public rescueEnabled = false;

    bool private _reentrant = false;
    bool public canClaim = false;

    modifier nonReentrant() {
        require(!_reentrant, "No reentrancy");
        _reentrant = true;
        _;
        _reentrant = false;
    }

    function _remove(address account, uint256 _tokenId) internal {
        uint256[] storage bag = bags[account];
        for (uint256 i = 0; i < bag.length; i++) {
            if (bag[i] == _tokenId) {
                bag[i] = bag[bag.length - 1];
                bag.pop();
                break;
            }
        }
    }

    function _add(address account, uint256 _tokenId) internal {
        uint256[] storage bag = bags[account];
        bag.push(_tokenId);
    }

    function getTokensOf(address account)
        external
        view
        returns (uint256[] memory)
    {
        return bags[account];
    }

    /**
     * @param _game reference to the FarWestGames NFT contract
     * @param _gold reference to the $gold token
     */
    constructor(address _game, address _gold) {
        game = FarWestGames(_game);
        gold = GOLD(_gold);
        _pause();
    }

    /***STAKING */

    /**
     * adds Thief and Polices to the Bank and Pack
     * @param account the address of the staker
     * @param tokenIds the IDs of the Thief and Polices to stake
     */
    function addManyToBankAndPack(address account, uint16[] calldata tokenIds)
        external
        whenNotPaused
        nonReentrant
    {
        require(
            (account == _msgSender() && account == tx.origin) ||
                _msgSender() == address(game),
            "DONT GIVE YOUR TOKENS AWAY"
        );

        for (uint256 i = 0; i < tokenIds.length; i++) {
            if (tokenIds[i] == 0) {
                continue;
            }

            _add(_msgSender(), tokenIds[i]);

            if (_msgSender() != address(game)) {
                // dont do this step if its a mint + stake
                require(
                    game.ownerOf(tokenIds[i]) == _msgSender(),
                    "AINT YO TOKEN"
                );
                game.transferFrom(_msgSender(), address(this), tokenIds[i]);
            }

            if (isThief(tokenIds[i])) _addThiefToBank(account, tokenIds[i]);
            else _addPoliceToPack(account, tokenIds[i]);
        }
    }

    /**
     * adds a single Thief to the Bank
     * @param account the address of the staker
     * @param tokenId the ID of the Thief to add to the Bank
     */
    function _addThiefToBank(address account, uint256 tokenId)
        internal
        whenNotPaused
        _updateEarnings
    {
        bank[tokenId] = Stake({
            owner: account,
            tokenId: uint16(tokenId),
            value: uint80(block.timestamp)
        });
        totalThiefStaked += 1;
        emit TokenStaked(account, tokenId, block.timestamp);
    }

    function _addThiefToBankWithTime(
        address account,
        uint256 tokenId,
        uint256 time
    ) internal {
        totalgoldEarned +=
            ((time - lastClaimTimestamp) * totalThiefStaked * DAILY_gold_RATE) /
            1 days;

        bank[tokenId] = Stake({
            owner: account,
            tokenId: uint16(tokenId),
            value: uint80(time)
        });
        totalThiefStaked += 1;
        emit TokenStaked(account, tokenId, time);
    }

    /**
     * adds a single Police to the Pack
     * @param account the address of the staker
     * @param tokenId the ID of the Police to add to the Pack
     */
    function _addPoliceToPack(address account, uint256 tokenId) internal {
        uint256 alpha = _alphaForPolice(tokenId);
        totalAlphaStaked += alpha;
        // Portion of earnings ranges from 8 to 5
        packIndices[tokenId] = pack[alpha].length;

        // Store the location of the police in the Pack
        pack[alpha].push(
            Stake({
                owner: account,
                tokenId: uint16(tokenId),
                value: uint80(goldPerAlpha)
            })
        );
        // Add the police to the Pack
        emit TokenStaked(account, tokenId, goldPerAlpha);
    }

    /***CLAIMING / UNSTAKING */

    /**
     * realize $gold earnings and optionally unstake tokens from the Bank / Pack
     * to unstake a Thief it will require it has 2 days worth of $gold unclaimed
     * @param tokenIds the IDs of the tokens to claim earnings from
     * @param unstake whether or not to unstake ALL of the tokens listed in tokenIds
     */
    function claimManyFromBankAndPack(uint16[] calldata tokenIds, bool unstake)
        external
        nonReentrant
        _updateEarnings
    {
        require(msg.sender == tx.origin, "Only EOA");
        require(canClaim, "Claim deactive");

        uint256 owed = 0;
        for (uint256 i = 0; i < tokenIds.length; i++) {
            if (isThief(tokenIds[i]))
                owed += _claimThiefFromBank(tokenIds[i], unstake);
            else owed += _claimPoliceFromPack(tokenIds[i], unstake);
        }
        if (owed == 0) return;

        uint256[] memory tokenIdsBonus = BonusCall.walletOfOwner(_msgSender());
        if (tokenIdsBonus.length == 0) {require(owed >= 20000 ether, "A minimum of 20k GOLD is required to claim");}
        for (uint256 i = 0; i < tokenIdsBonus.length; i++) {
            if (BonusCall.getBonusType(tokenIdsBonus[i]) == 1) {
                require(owed >= 15000 ether, "A minimum of 15k GOLD is required to claim");
            } if (BonusCall.getBonusType(tokenIdsBonus[i]) == 2) {
                owed = owed * 10 / 100;
            }
        }
        //fee for sheriff
        uint part = owed * SHERIFF_TAX / 100;
        gold.mint(SheriffWallet, part);
        gold.mint(_msgSender(), owed - part);
    }

    function estimatedRevenuesOf(uint16[] calldata tokenIds)
        external
        view
        returns (uint256[] memory)
    {
        uint256[] memory owed = new uint256[](tokenIds.length);
        for (uint256 i = 0; i < tokenIds.length; i++) {
            if (isThief(tokenIds[i])) {
                Stake memory stake = bank[tokenIds[i]];
                uint256 newOwed = 0;
                if (totalgoldEarned < MAXIMUM_GLOBAL_gold) {
                    newOwed =
                        ((block.timestamp - stake.value) * DAILY_gold_RATE) /
                        1 days;
                } else if (stake.value > lastClaimTimestamp) {
                    newOwed = 0;
                } else {
                    newOwed =
                        ((lastClaimTimestamp - stake.value) * DAILY_gold_RATE) /
                        1 days;
                }
                owed[i] = (newOwed * (100 - gold_CLAIM_TAX_PERCENTAGE)) / 100;
            } else {
                uint256 alpha = _alphaForPolice(tokenIds[i]);
                Stake memory stake = pack[alpha][packIndices[tokenIds[i]]];
                owed[i] = (alpha) * (goldPerAlpha - stake.value);
            }
        }
        return owed;
    }

    /**
     * realize $gold earnings for a single Thief and optionally unstake it
     * if not unstaking, pay a 20% tax to the staked Polices
     * if unstaking, there is a 50% chance all $gold is stolen
     * @param tokenId the ID of the Thief to claim earnings from
     * @param unstake whether or not to unstake the Thief
     * @return owed - the amount of $gold earned
     */
    function _claimThiefFromBank(uint256 tokenId, bool unstake)
        internal
        returns (uint256 owed)
    {
        Stake memory stake = bank[tokenId];
        require(stake.owner == _msgSender(), "SWIPER, NO SWIPING");
        require(
            !(unstake && block.timestamp - stake.value < MINIMUM_TO_EXIT),
            "GONNA BE COLD WITHOUT TWO DAY'S gold"
        );
        if (totalgoldEarned < MAXIMUM_GLOBAL_gold) {
            owed = ((block.timestamp - stake.value) * DAILY_gold_RATE) / 1 days;
        } else if (stake.value > lastClaimTimestamp) {
            owed = 0;
            // $gold production stopped already
        } else {
            owed =
                ((lastClaimTimestamp - stake.value) * DAILY_gold_RATE) /
                1 days;
            // stop earning additional $gold if it's all been earned
        }
        if (unstake) {
            _remove(_msgSender(), tokenId);
            if (random(tokenId) & 1 == 1) {
                // 50% chance of all $gold stolen
                _payPoliceTax(owed);
                owed = 0;
            }
            game.transferFrom(address(this), _msgSender(), tokenId);
            // send back Thief
            delete bank[tokenId];
            totalThiefStaked -= 1;
        } else {
            _payPoliceTax((owed * gold_CLAIM_TAX_PERCENTAGE) / 100);
            // percentage tax to staked wolves
            owed = (owed * (100 - gold_CLAIM_TAX_PERCENTAGE)) / 100;
            // remainder goes to Thief owner
            bank[tokenId] = Stake({
                owner: _msgSender(),
                tokenId: uint16(tokenId),
                value: uint80(block.timestamp)
            });
            // reset stake
        }
        emit ThiefClaimed(tokenId, owed, unstake);
    }

    /**
     * realize $gold earnings for a single Police and optionally unstake it
     * Polices earn $gold proportional to their Alpha rank
     * @param tokenId the ID of the Police to claim earnings from
     * @param unstake whether or not to unstake the Police
     * @return owed - the amount of $gold earned
     */
    function _claimPoliceFromPack(uint256 tokenId, bool unstake)
        internal
        returns (uint256 owed)
    {
        require(
            game.ownerOf(tokenId) == address(this),
            "AINT A PART OF THE PACK"
        );
        uint256 alpha = _alphaForPolice(tokenId);
        Stake memory stake = pack[alpha][packIndices[tokenId]];
        require(stake.owner == _msgSender(), "SWIPER, NO SWIPING");
        owed = (alpha) * (goldPerAlpha - stake.value);
        // Calculate portion of tokens based on Alpha
        if (unstake) {
            _remove(_msgSender(), tokenId);
            totalAlphaStaked -= alpha;
            // Remove Alpha from total staked
            game.transferFrom(address(this), _msgSender(), tokenId);
            // Send back Police
            Stake memory lastStake = pack[alpha][pack[alpha].length - 1];
            pack[alpha][packIndices[tokenId]] = lastStake;
            // Shuffle last Police to current position
            packIndices[lastStake.tokenId] = packIndices[tokenId];
            pack[alpha].pop();
            // Remove duplicate
            delete packIndices[tokenId];
            // Delete old mapping
        } else {
            pack[alpha][packIndices[tokenId]] = Stake({
                owner: _msgSender(),
                tokenId: uint16(tokenId),
                value: uint80(goldPerAlpha)
            });
            // reset stake
        }
        emit PoliceClaimed(tokenId, owed, unstake);
    }

    /**
     * emergency unstake tokens
     * @param tokenIds the IDs of the tokens to claim earnings from
     */
    function rescue(uint256[] calldata tokenIds) external nonReentrant {
        require(rescueEnabled, "RESCUE DISABLED");
        uint256 tokenId;
        Stake memory stake;
        Stake memory lastStake;
        uint256 alpha;
        for (uint256 i = 0; i < tokenIds.length; i++) {
            tokenId = tokenIds[i];
            _remove(_msgSender(), tokenId);
            if (isThief(tokenId)) {
                stake = bank[tokenId];
                require(stake.owner == _msgSender(), "SWIPER, NO SWIPING");
                game.transferFrom(address(this), _msgSender(), tokenId);
                // send back Thief
                delete bank[tokenId];
                totalThiefStaked -= 1;
                emit ThiefClaimed(tokenId, 0, true);
            } else {
                alpha = _alphaForPolice(tokenId);
                stake = pack[alpha][packIndices[tokenId]];
                require(stake.owner == _msgSender(), "SWIPER, NO SWIPING");
                totalAlphaStaked -= alpha;
                // Remove Alpha from total staked
                game.transferFrom(address(this), _msgSender(), tokenId);
                // Send back Police
                lastStake = pack[alpha][pack[alpha].length - 1];
                pack[alpha][packIndices[tokenId]] = lastStake;
                // Shuffle last Police to current position
                packIndices[lastStake.tokenId] = packIndices[tokenId];
                pack[alpha].pop();
                // Remove duplicate
                delete packIndices[tokenId];
                // Delete old mapping
                emit PoliceClaimed(tokenId, 0, true);
            }
        }
    }

    /***ACCOUNTING */

    /**
     * add $gold to claimable pot for the Pack
     * @param amount $gold to add to the pot
     */
    function _payPoliceTax(uint256 amount) internal {
        if (totalAlphaStaked == 0) {
            // if there's no staked wolves
            unaccountedRewards += amount;
            // keep track of $gold due to wolves
            return;
        }
        // makes sure to include any unaccounted $gold
        goldPerAlpha += (amount + unaccountedRewards) / totalAlphaStaked;
        unaccountedRewards = 0;
    }

    /**
     * tracks $gold earnings to ensure it stops once 2.4 billion is eclipsed
     */
    modifier _updateEarnings() {
        if (totalgoldEarned < MAXIMUM_GLOBAL_gold) {
            totalgoldEarned +=
                ((block.timestamp - lastClaimTimestamp) *
                    totalThiefStaked *
                    DAILY_gold_RATE) /
                1 days;
            lastClaimTimestamp = block.timestamp;
        }
        _;
    }

    /***ADMIN */

    function setSettings(uint256 rate, uint256 exit) external onlyOwner {
        MINIMUM_TO_EXIT = exit;
        DAILY_gold_RATE = rate;
    }

    /**
     * allows owner to enable "rescue mode"
     * simplifies accounting, prioritizes tokens out in emergency
     */
    function setRescueEnabled(bool _enabled) external onlyOwner {
        rescueEnabled = _enabled;
    }

    /**
     * enables owner to pause / unpause minting
     */
    function setPaused(bool _paused) external onlyOwner {
        if (_paused) _pause();
        else _unpause();
    }

    /***READ ONLY */

    /**
     * checks if a token is a Thief
     * @param tokenId the ID of the token to check
     * @return thief - whether or not a token is a Thief
     */
    function isThief(uint256 tokenId) public view returns (bool thief) {
        (thief, , , , , , , , ) = game.tokenTraits(tokenId);
    }

    /**
     * gets the alpha score for a Police
     * @param tokenId the ID of the Police to get the alpha score for
     * @return the alpha score of the Police (5-8)
     */
    function _alphaForPolice(uint256 tokenId) internal view returns (uint8) {
        (, , , , , , , , uint8 alphaIndex) = game.tokenTraits(tokenId);
        return MAX_ALPHA - alphaIndex;
        // alpha index is 0-3
    }

    /**
     * chooses a random Police thief when a newly minted token is stolen
     * @param seed a random value to choose a Police from
     * @return the owner of the randomly selected Police thief
     */
    function randomCowboysOwner(uint256 seed) external view returns (address) {
        if (totalAlphaStaked == 0) return address(0x0);
        uint256 bucket = (seed & 0xFFFFFFFF) % totalAlphaStaked;
        // choose a value from 0 to total alpha staked
        uint256 cumulative;
        seed >>= 32;
        // loop through each bucket of Polices with the same alpha score
        for (uint256 i = MAX_ALPHA - 3; i <= MAX_ALPHA; i++) {
            cumulative += pack[i].length * i;
            // if the value is not inside of that bucket, keep going
            if (bucket >= cumulative) continue;
            // get the address of a random Police with that alpha score
            return pack[i][seed % pack[i].length].owner;
        }
        return address(0x0);
    }

    /**
     * generates a pseudorandom number
     * @param seed a value ensure different outcomes for different sources in the same block
     * @return a pseudorandom value
     */
    function random(uint256 seed) internal view returns (uint256) {
        return
            uint256(
                keccak256(
                    abi.encodePacked(
                        tx.origin,
                        blockhash(block.number - 1),
                        block.timestamp,
                        seed,
                        totalThiefStaked,
                        totalAlphaStaked,
                        lastClaimTimestamp
                    )
                )
            );
    }

    function onERC721Received(
        address,
        address from,
        uint256,
        bytes calldata
    ) external pure override returns (bytes4) {
        require(from == address(0x0), "Cannot send tokens to Barn directly");
        return IERC721Receiver.onERC721Received.selector;
    }

    function setGame(address _nGame) public onlyOwner {
        game = FarWestGames(_nGame);
    }

    function setClaiming(bool _canClaim) public onlyOwner {
        canClaim = _canClaim;
    }

    function setBonus(address _Bonus) public onlyOwner {
        BonusCall = Bonus(_Bonus);
    }
    
    function setSheriffTax(uint _SHERIFF_TAX) public onlyOwner {
        SHERIFF_TAX = _SHERIFF_TAX;
    }
}

File 7 of 26 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

File 8 of 26 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

File 9 of 26 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 10 of 26 : Pausable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/Pausable.sol)

pragma solidity ^0.8.0;

import "./Context.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be Pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        require(!paused(), "Pausable: paused");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        require(paused(), "Pausable: not paused");
        _;
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

File 11 of 26 : ERC721Enumerable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./ERC721.sol";
import "./IERC721Enumerable.sol";

/**
 * @dev This implements an optional extension of {ERC721} defined in the EIP that adds
 * enumerability of all the token ids in the contract as well as all token ids owned by each
 * account.
 */
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
    // Mapping from owner to list of owned token IDs
    mapping(address => mapping(uint256 => uint256)) private _ownedTokens;

    // Mapping from token ID to index of the owner tokens list
    mapping(uint256 => uint256) private _ownedTokensIndex;

    // Array with all token ids, used for enumeration
    uint256[] private _allTokens;

    // Mapping from token id to position in the allTokens array
    mapping(uint256 => uint256) private _allTokensIndex;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
        return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
        return _ownedTokens[owner][index];
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _allTokens.length;
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
        return _allTokens[index];
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, tokenId);

        if (from == address(0)) {
            _addTokenToAllTokensEnumeration(tokenId);
        } else if (from != to) {
            _removeTokenFromOwnerEnumeration(from, tokenId);
        }
        if (to == address(0)) {
            _removeTokenFromAllTokensEnumeration(tokenId);
        } else if (to != from) {
            _addTokenToOwnerEnumeration(to, tokenId);
        }
    }

    /**
     * @dev Private function to add a token to this extension's ownership-tracking data structures.
     * @param to address representing the new owner of the given token ID
     * @param tokenId uint256 ID of the token to be added to the tokens list of the given address
     */
    function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
        uint256 length = ERC721.balanceOf(to);
        _ownedTokens[to][length] = tokenId;
        _ownedTokensIndex[tokenId] = length;
    }

    /**
     * @dev Private function to add a token to this extension's token tracking data structures.
     * @param tokenId uint256 ID of the token to be added to the tokens list
     */
    function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
        _allTokensIndex[tokenId] = _allTokens.length;
        _allTokens.push(tokenId);
    }

    /**
     * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
     * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
     * gas optimizations e.g. when performing a transfer operation (avoiding double writes).
     * This has O(1) time complexity, but alters the order of the _ownedTokens array.
     * @param from address representing the previous owner of the given token ID
     * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
     */
    function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
        // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
        uint256 tokenIndex = _ownedTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary
        if (tokenIndex != lastTokenIndex) {
            uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];

            _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
            _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
        }

        // This also deletes the contents at the last position of the array
        delete _ownedTokensIndex[tokenId];
        delete _ownedTokens[from][lastTokenIndex];
    }

    /**
     * @dev Private function to remove a token from this extension's token tracking data structures.
     * This has O(1) time complexity, but alters the order of the _allTokens array.
     * @param tokenId uint256 ID of the token to be removed from the tokens list
     */
    function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
        // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = _allTokens.length - 1;
        uint256 tokenIndex = _allTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
        // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
        // an 'if' statement (like in _removeTokenFromOwnerEnumeration)
        uint256 lastTokenId = _allTokens[lastTokenIndex];

        _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
        _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index

        // This also deletes the contents at the last position of the array
        delete _allTokensIndex[tokenId];
        _allTokens.pop();
    }
}

File 12 of 26 : IFarWestGames.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./FarWestGames.sol";

interface IFarWestGames {
  // struct to store each token's traits
  struct FarWestGamesTraits {
    bool isIndians;
    uint8 base;
    uint8 top;
    uint8 pants;
    uint8 head;
    uint8 eyes;
    uint8 mouth;
    uint8 weapons;
    uint8 alphaIndex;
  }

  function getPaidTokens() external view returns (uint256);

  function getTokenTraits(uint256 tokenId)
    external
    view
    returns (FarWestGamesTraits memory);
}

File 13 of 26 : IBank.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./Bank.sol";

interface IBank {
  function addManyToBankAndPack(address account, uint16[] calldata tokenIds)
    external;

  function randomCowboysOwner(uint256 seed) external view returns (address);

  function bank(uint256)
    external
    view
    returns (
      uint16,
      uint80,
      address
    );

  function totalLootEarned() external view returns (uint256);

  function lastClaimTimestamp() external view returns (uint256);

  function setOldTokenInfo(uint256 _tokenId) external;

  function pack(uint256, uint256) external view returns (Bank.Stake memory);

  function packIndices(uint256) external view returns (uint256);
}

File 14 of 26 : ITraits.sol
// SPDX-License-Identifier: MIT LICENSE

pragma solidity ^0.8.0;

interface ITraits {
  function tokenURI(uint256 tokenId) external view returns (string memory);

  function selectTrait(uint16 seed, uint8 traitType)
    external
    view
    returns (uint8);
}

File 15 of 26 : IGOLD.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface IGOLD {
  function burn(address from, uint256 amount) external;
}

File 16 of 26 : ISeed.sol
// SPDX-License-Identifier: MIT LICENSE
pragma solidity ^0.8.0;

interface ISeed {
    function seed() external view returns(uint256);
    function update(uint256 _seed) external returns(uint256);
}

File 17 of 26 : ERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/ERC721.sol)

pragma solidity ^0.8.0;

import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./IERC721Metadata.sol";
import "./Address.sol";
import "./Context.sol";
import "./Strings.sol";
import "./ERC165.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to owner address
    mapping(uint256 => address) private _owners;

    // Mapping owner address to token count
    mapping(address => uint256) private _balances;

    // Mapping from token ID to approved address
    mapping(uint256 => address) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    /**
     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        require(owner != address(0), "ERC721: balance query for the zero address");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _owners[tokenId];
        require(owner != address(0), "ERC721: owner query for nonexistent token");
        return owner;
    }

    /**
     * @dev See {IERC721Metadata-name}.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev See {IERC721Metadata-symbol}.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

        string memory baseURI = _baseURI();
        return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, can be overriden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return "";
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721.ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not owner nor approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        require(_exists(tokenId), "ERC721: approved query for nonexistent token");

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _setApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");

        _transfer(from, to, tokenId);
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        safeTransferFrom(from, to, tokenId, "");
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
        _safeTransfer(from, to, tokenId, _data);
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * `_data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _transfer(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     * and stop existing when they are burned (`_burn`).
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return _owners[tokenId] != address(0);
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(address to, uint256 tokenId) internal virtual {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _mint(to, tokenId);
        require(
            _checkOnERC721Received(address(0), to, tokenId, _data),
            "ERC721: transfer to non ERC721Receiver implementer"
        );
    }

    /**
     * @dev Mints `tokenId` and transfers it to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - `to` cannot be the zero address.
     *
     * Emits a {Transfer} event.
     */
    function _mint(address to, uint256 tokenId) internal virtual {
        require(to != address(0), "ERC721: mint to the zero address");
        require(!_exists(tokenId), "ERC721: token already minted");

        _beforeTokenTransfer(address(0), to, tokenId);

        _balances[to] += 1;
        _owners[tokenId] = to;

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

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId);

        // Clear approvals
        _approve(address(0), tokenId);

        _balances[owner] -= 1;
        delete _owners[tokenId];

        emit Transfer(owner, address(0), tokenId);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId);

        _balances[from] -= 1;
        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {Approval} event.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _tokenApprovals[tokenId] = to;
        emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
    }

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Emits a {ApprovalForAll} event.
     */
    function _setApprovalForAll(
        address owner,
        address operator,
        bool approved
    ) internal virtual {
        require(owner != operator, "ERC721: approve to caller");
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        if (to.isContract()) {
            try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
                return retval == IERC721Receiver.onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}
}

File 18 of 26 : IERC721Enumerable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

File 19 of 26 : IERC721.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;
}

File 20 of 26 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

File 21 of 26 : IERC721Metadata.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

File 22 of 26 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 23 of 26 : Strings.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

File 24 of 26 : ERC165.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

File 25 of 26 : IERC165.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

File 26 of 26 : Bonus.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./ERC721Enumerable.sol";
import "./Ownable.sol";


contract Bonus is ERC721Enumerable, Ownable {
  using Strings for uint256;

  string public baseURI;
  string public baseExtension = ".json";
  string public notRevealedUri;
  uint256 public costBonus1 = 0.6 ether;
  uint256 public costBonus2 = 1 ether;
  uint256 public costBonus3 = 1 ether;
  uint256 public immutable MAX_TOKENSBonus1 = 400;
  uint256 public immutable MAX_TOKENSBonus2 = 150;
  uint256 public immutable MAX_TOKENSBonus3 = 150;
  uint16 public mintedBonus1;
  uint16 public mintedBonus2;
  uint16 public mintedBonus3;
  bool public paused = false;
  bool public revealed = false;
  bool public onlyWhitelisted = true;
  mapping(uint256 => uint256) public BonusType;
  mapping(address => uint256) public addressMintedBalance;
  mapping(address => bool) whitelistedAddresses;
  // mapping from tokenId to a struct containing the token's traits
  address payable public treasury;


  constructor(
    string memory _name,
    string memory _symbol,
    string memory _initBaseURI,
    string memory _initNotRevealedUri,
    address payable _treasury
  ) ERC721(_name, _symbol) {
    setBaseURI(_initBaseURI);
    setNotRevealedURI(_initNotRevealedUri);
    treasury = _treasury;
  }

  // internal
  function _baseURI() internal view virtual override returns (string memory) {
    return baseURI;
  }

  // public mint
  function mintBonus1(uint256 _mintAmount) public payable {
    require(!paused, "the contract is paused");
    uint256 supply = totalSupply();
    require(mintedBonus1 + _mintAmount <= MAX_TOKENSBonus1, "All tokens minted");
    require(_mintAmount > 0, "need to mint at least 1 NFT");

    if (msg.sender != owner()) {
        if(onlyWhitelisted == true) {
            require(isWhitelisted(msg.sender), "user is not whitelisted");
        }
        require(msg.value >= costBonus1 * _mintAmount, "insufficient funds");
    }
    
    for (uint256 i = 1; i <= _mintAmount; i++) {
        addressMintedBalance[msg.sender]++;
      _safeMint(msg.sender, supply + i);
      mintedBonus1++;
      BonusType[supply + i] = 1;
    }
  }

  function mintBonus2(uint256 _mintAmount) public payable {
    require(!paused, "the contract is paused");
    uint256 supply = totalSupply();
    require(mintedBonus2 + _mintAmount <= MAX_TOKENSBonus2, "All tokens minted");
    require(_mintAmount > 0, "need to mint at least 1 NFT");

    if (msg.sender != owner()) {
        if(onlyWhitelisted == true) {
            require(isWhitelisted(msg.sender), "user is not whitelisted");
        }
        require(msg.value >= costBonus2 * _mintAmount, "insufficient funds");
    }
    
    for (uint256 i = 1; i <= _mintAmount; i++) {
        addressMintedBalance[msg.sender]++;
      _safeMint(msg.sender, supply + i);
      mintedBonus2++;
      BonusType[supply + i] = 2;
    }
  }

  function mintBonus3(uint256 _mintAmount) public payable {
    require(!paused, "the contract is paused");
    uint256 supply = totalSupply();
    require(mintedBonus3 + _mintAmount <= MAX_TOKENSBonus3, "All tokens minted");
    require(_mintAmount > 0, "need to mint at least 1 NFT");

    if (msg.sender != owner()) {
        if(onlyWhitelisted == true) {
            require(isWhitelisted(msg.sender), "user is not whitelisted");
        }
        require(msg.value >= costBonus3 * _mintAmount, "insufficient funds");
    }
    
    for (uint256 i = 1; i <= _mintAmount; i++) {
        addressMintedBalance[msg.sender]++;
      _safeMint(msg.sender, supply + i);
      mintedBonus3++;
      BonusType[supply + i] = 3;
    }
  }

  function getBonusType(uint256 tokenId) external view returns (uint) {
    return BonusType[tokenId];
  }
  
  function isWhitelisted(address _user) public view returns (bool) {
    return whitelistedAddresses[_user];
  }

  function walletOfOwner(address _owner)
    public
    view
    returns (uint256[] memory)
  {
    uint256 ownerTokenCount = balanceOf(_owner);
    uint256[] memory tokenIds = new uint256[](ownerTokenCount);
    for (uint256 i; i < ownerTokenCount; i++) {
      tokenIds[i] = tokenOfOwnerByIndex(_owner, i);
    }
    return tokenIds;
  }

  function tokenURI(uint256 tokenId)
    public
    view
    virtual
    override
    returns (string memory)
  {
    require(
      _exists(tokenId),
      "ERC721Metadata: URI query for nonexistent token"
    );
    
    if(revealed == false) {
        return notRevealedUri;
    }

    string memory currentBaseURI = _baseURI();
    return bytes(currentBaseURI).length > 0
        ? string(abi.encodePacked(currentBaseURI, tokenId.toString(), baseExtension))
        : "";
  }

  //only owner
  function reveal() public onlyOwner {
      revealed = true;
  }
  
  function setCostBonus1(uint256 _newCost) public onlyOwner {
    costBonus1 = _newCost;
  }

  function setCostBonus2(uint256 _newCost) public onlyOwner {
    costBonus2 = _newCost;
  }

  function setCostBonus3(uint256 _newCost) public onlyOwner {
    costBonus3 = _newCost;
  }

  function setBaseURI(string memory _newBaseURI) public onlyOwner {
    baseURI = _newBaseURI;
  }

  function setBaseExtension(string memory _newBaseExtension) public onlyOwner {
    baseExtension = _newBaseExtension;
  }
  
  function setNotRevealedURI(string memory _notRevealedURI) public onlyOwner {
    notRevealedUri = _notRevealedURI;
  }

  function pause(bool _state) public onlyOwner {
    paused = _state;
  }
  
  function setOnlyWhitelisted(bool _state) public onlyOwner {
    onlyWhitelisted = _state;
  }

   function whitelistUsers(address[] memory addresses) public onlyOwner {
        for (uint256 i = 0; i < addresses.length; i++) {
            whitelistedAddresses[addresses[i]] = true;
        }
    }

  function withdraw() external onlyOwner returns (bool, bytes memory) {
        (bool transaction, bytes memory value) = treasury.call{
            value: address(this).balance,
            gas: 100000
        }("");
        return (transaction, value);
  }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"Ratio","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"controller","type":"address"}],"name":"addController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"getAllCowboy","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"getAllIndians","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"isThief","outputs":[{"internalType":"bool","name":"thief","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"controller","type":"address"}],"name":"removeController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_nBank","type":"address"}],"name":"setBank","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_nGame","type":"address"}],"name":"setGame","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_Gold","type":"address"}],"name":"setGold","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newRatio","type":"uint256"}],"name":"setRatio","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"swapCashToGold","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"swapGoldToCash","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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