FOX24MetalPresale

{{
  "language": "Solidity",
  "sources": {
    "@openzeppelin/contracts/access/Ownable.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/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.
 *
 * The initial owner is set to the address provided by the deployer. 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;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling 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 {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _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);
    }
}
"
    },
    "@openzeppelin/contracts/token/ERC20/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)

pragma solidity >=0.4.16;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
interface IERC20 {
    /**
     * @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);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

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

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}
"
    },
    "@openzeppelin/contracts/utils/Context.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @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;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}
"
    },
    "contracts/F24MultiPresale.sol": {
      "content": "// SPDX-License-Identifier: MIT\r
pragma solidity ^0.8.20;\r
\r
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";\r
import "@openzeppelin/contracts/access/Ownable.sol";\r
\r
contract FOX24MetalPresale is Ownable {\r
    struct MetalCoin {\r
        IERC20 token;\r
        uint256 priceInFOX24;\r
        uint256 priceInETH;\r
        uint256 totalSaleLimit;\r
        uint256 soldAmount;\r
    }\r
\r
    IERC20 public immutable FOX24;\r
    mapping(address => MetalCoin) public metalCoins;\r
    address[] public metalAddresses;\r
\r
    uint256 public presaleStartTime;\r
    uint256 public presaleEndTime;\r
    bool public isFinalized = false;\r
\r
    uint256 public hardCapFOX24;\r
    uint256 public softCapFOX24;\r
    uint256 public totalFOX24Raised;\r
    uint256 public totalETHRaised;\r
\r
    // -------------------------\r
    // EVENTS\r
    // -------------------------\r
    event MetalPurchasedWithFOX24(address indexed buyer, address indexed metalToken, uint256 fox24Amount, uint256 metalAmount);\r
    event MetalPurchasedWithETH(address indexed buyer, address indexed metalToken, uint256 ethAmount, uint256 metalAmount);\r
    event FOX24Withdrawn(address indexed owner, uint256 amount);\r
    event ETHWithdrawn(address indexed owner, uint256 amount);\r
    event MetalWithdrawn(address indexed owner, address indexed metalToken, uint256 amount);\r
    event PresaleFinalized(uint256 time);\r
\r
    // -------------------------\r
    // MODIFIERS\r
    // -------------------------\r
    modifier whenPresaleActive() {\r
        require(block.timestamp >= presaleStartTime, "Presale not started");\r
        require(block.timestamp <= presaleEndTime, "Presale ended");\r
        require(!isFinalized, "Presale finalized");\r
        _;\r
    }\r
\r
    // -------------------------\r
    // CONSTRUCTOR\r
    // -------------------------\r
    constructor(\r
        address _fox24,\r
        uint256 _startTime,\r
        uint256 _endTime,\r
        uint256 _softCapFOX24,\r
        uint256 _hardCapFOX24,\r
        address[] memory _tokenAddresses,\r
        uint256[] memory _priceFOX24,\r
        uint256[] memory _priceETH,\r
        uint256[] memory _limits,\r
        address initialOwner // ???? Argument wymagany przez Ownable\r
    ) Ownable(initialOwner) {\r
        require(_fox24 != address(0), "FOX24 zero address");\r
        require(_endTime > _startTime, "Invalid presale time");\r
        require(\r
            _tokenAddresses.length == _priceFOX24.length &&\r
            _tokenAddresses.length == _priceETH.length &&\r
            _tokenAddresses.length == _limits.length,\r
            "Array length mismatch"\r
        );\r
\r
        FOX24 = IERC20(_fox24);\r
        presaleStartTime = _startTime;\r
        presaleEndTime = _endTime;\r
        softCapFOX24 = _softCapFOX24;\r
        hardCapFOX24 = _hardCapFOX24;\r
\r
        for (uint i = 0; i < _tokenAddresses.length; i++) {\r
            metalCoins[_tokenAddresses[i]] = MetalCoin(\r
                IERC20(_tokenAddresses[i]),\r
                _priceFOX24[i],\r
                _priceETH[i],\r
                _limits[i],\r
                0\r
            );\r
            metalAddresses.push(_tokenAddresses[i]);\r
        }\r
    }\r
\r
    // -------------------------\r
    // KUPNO METALI\r
    // -------------------------\r
    function buyMetalWithFOX24(address metalAddress, uint256 fox24Amount) external whenPresaleActive {\r
        MetalCoin storage coin = metalCoins[metalAddress];\r
        require(address(coin.token) != address(0), "Unsupported Metal Coin");\r
        require(fox24Amount > 0, "Amount must be > 0");\r
\r
        uint256 metalAmount = (fox24Amount * 1e18) / coin.priceInFOX24;\r
        require(coin.soldAmount + metalAmount <= coin.totalSaleLimit, "Presale limit exceeded");\r
        require(coin.token.balanceOf(address(this)) >= metalAmount, "Not enough Metal Coins");\r
\r
        require(FOX24.transferFrom(msg.sender, address(this), fox24Amount), "FOX24 transfer failed");\r
\r
        coin.soldAmount += metalAmount;\r
        totalFOX24Raised += fox24Amount;\r
\r
        require(coin.token.transfer(msg.sender, metalAmount), "Metal transfer failed");\r
\r
        emit MetalPurchasedWithFOX24(msg.sender, metalAddress, fox24Amount, metalAmount);\r
    }\r
\r
    function buyMetalWithETH(address metalAddress) external payable whenPresaleActive {\r
        MetalCoin storage coin = metalCoins[metalAddress];\r
        require(address(coin.token) != address(0), "Unsupported Metal Coin");\r
        require(msg.value > 0, "ETH must be > 0");\r
\r
        uint256 metalAmount = (msg.value * 1e18) / coin.priceInETH;\r
        require(coin.soldAmount + metalAmount <= coin.totalSaleLimit, "Presale limit exceeded");\r
        require(coin.token.balanceOf(address(this)) >= metalAmount, "Not enough Metal Coins");\r
\r
        coin.soldAmount += metalAmount;\r
        totalETHRaised += msg.value;\r
\r
        require(coin.token.transfer(msg.sender, metalAmount), "Metal transfer failed");\r
\r
        emit MetalPurchasedWithETH(msg.sender, metalAddress, msg.value, metalAmount);\r
    }\r
\r
    // -------------------------\r
    // FINALIZACJA\r
    // -------------------------\r
    function finalizePresale() external onlyOwner {\r
        require(block.timestamp > presaleEndTime, "Presale not ended");\r
        require(!isFinalized, "Already finalized");\r
        isFinalized = true;\r
        emit PresaleFinalized(block.timestamp);\r
    }\r
\r
    // -------------------------\r
    // WYPŁATY\r
    // -------------------------\r
    function withdrawFOX24(uint256 amount) external onlyOwner {\r
        uint256 balance = FOX24.balanceOf(address(this));\r
        require(amount <= balance, "Not enough FOX24");\r
        require(FOX24.transfer(owner(), amount), "Transfer failed");\r
        emit FOX24Withdrawn(owner(), amount);\r
    }\r
\r
    function withdrawETH(uint256 amount) external onlyOwner {\r
        require(amount <= address(this).balance, "Not enough ETH");\r
        payable(owner()).transfer(amount);\r
        emit ETHWithdrawn(owner(), amount);\r
    }\r
\r
    // -------------------------\r
    // WYPLATA POZOSTAŁYCH METALI\r
    // -------------------------\r
    function withdrawLeftoverMetal(address metalAddress) external onlyOwner {\r
        require(isFinalized, "Presale not finalized");\r
        MetalCoin storage coin = metalCoins[metalAddress];\r
        uint256 balance = coin.token.balanceOf(address(this));\r
        require(balance > 0, "No leftover tokens");\r
        require(coin.token.transfer(owner(), balance), "Transfer failed");\r
        emit MetalWithdrawn(owner(), metalAddress, balance);\r
    }\r
\r
    function withdrawAllLeftoverMetals() external onlyOwner {\r
        require(isFinalized, "Presale not finalized");\r
        for (uint i = 0; i < metalAddresses.length; i++) {\r
            address metalAddress = metalAddresses[i];\r
            MetalCoin storage coin = metalCoins[metalAddress];\r
            uint256 balance = coin.token.balanceOf(address(this));\r
            if (balance > 0) {\r
                require(coin.token.transfer(owner(), balance), "Transfer failed");\r
                emit MetalWithdrawn(owner(), metalAddress, balance);\r
            }\r
        }\r
    }\r
\r
    // -------------------------\r
    // POMOCNICZE FUNKCJE\r
    // -------------------------\r
    function getMetalAddresses() external view returns (address[] memory) {\r
        return metalAddresses;\r
    }\r
\r
    function getMetalInfo(address metalAddress) external view returns (\r
        uint256 priceFOX24,\r
        uint256 priceETH,\r
        uint256 totalLimit,\r
        uint256 sold\r
    ) {\r
        MetalCoin storage coin = metalCoins[metalAddress];\r
        return (coin.priceInFOX24, coin.priceInETH, coin.totalSaleLimit, coin.soldAmount);\r
    }\r
}"
    }
  },
  "settings": {
    "evmVersion": "paris",
    "optimizer": {
      "enabled": false,
      "runs": 200
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    }
  }
}}