Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/Pausable.sol";


contract ETHPayment is Pausable, Ownable {
    using SafeMath for uint256;
    uint256 public price = 1000000000000000000;

    constructor() {
    }

    event ETHTransferSuccess(address indexed fromAddress, address indexed toAddress, uint256 indexed amount, address tokenAddress, bytes data);

    //******SET UP******
    function setPrice(uint256 _price) public onlyOwner {
        price = _price;
    }

    function withdrawAll() external onlyOwner {
        payable(msg.sender).transfer(address(this).balance);
    }

    function withdraw(uint256 amount) external onlyOwner {
        payable(msg.sender).transfer(amount);
    }

    function airdrop(
        address[] memory _address,
        uint256 _amount
    ) external onlyOwner {
        for (uint i = 0; i < _address.length; i++) {
            payable(_address[i]).transfer(_amount);
            emit ETHTransferSuccess(address(this), msg.sender, _amount, address(0x0), bytes("Airdrop"));
        }
    }

    //******FUNCTIONS******
    function pay() external payable whenNotPaused {
        require(msg.value >= price, "insufficient value");
        emit ETHTransferSuccess(msg.sender, address(this), price, address(0x0), bytes("Payment"));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/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 Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        _requireNotPaused();
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

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

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        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());
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../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.
 *
 * 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 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 {
        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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/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.openzeppelin.com/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:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address to, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, 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}.
     *
     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _approve(owner, 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}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, 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) {
        address owner = _msgSender();
        _approve(owner, spender, allowance(owner, 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) {
        address owner = _msgSender();
        uint256 currentAllowance = allowance(owner, spender);
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `from` to `to`.
     *
     * 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:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     */
    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(from, to, amount);

        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
            // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
            // decrementing then incrementing.
            _balances[to] += amount;
        }

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to, 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;
        unchecked {
            // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
            _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;
            // Overflow not possible: amount <= accountBalance <= totalSupply.
            _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 Updates `owner` s allowance for `spender` based on spent `amount`.
     *
     * Does not update the allowance amount in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Might emit an {Approval} event.
     */
    function _spendAllowance(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - 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 {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
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 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 `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, 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 `from` to `to` 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 from,
        address to,
        uint256 amount
    ) external returns (bool);
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"fromAddress","type":"address"},{"indexed":true,"internalType":"address","name":"toAddress","type":"address"},{"indexed":true,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"address","name":"tokenAddress","type":"address"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"ETHTransferSuccess","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":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[{"internalType":"address[]","name":"_address","type":"address[]"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"airdrop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pay","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_price","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawAll","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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