Contract 0x9c846d808a41328a209e235b5e3c4e626dab169e

Contract Overview

Chikn Farm: Fert Token
Balance:
0 AVAX

AVAX Value:
$0.00

Token:
Txn Hash Method
Block
From
To
Value [Txn Fee]
0xc2d755d52ec659d763acd01a618e40064a3ec01354efa55ac8534a47d67ac920Transfer203341762022-09-27 8:03:413 mins ago0xf5329e3fbd19ee152890af18d3414b7e9c0bc935 IN  Chikn Farm: Fert Token0 AVAX0.0009350525 26.5
0xfb8143fb0e5a70dc531feb9c42d07c41a8660914ff87a69f93fde00261e21762Transfer203341612022-09-27 8:03:083 mins ago0xd2b1e9db41b5ddf1017b7f7aeb51412eff5768e3 IN  Chikn Farm: Fert Token0 AVAX0.0009350525 26.5
0x537e27794ced5a302fe2a9fde45ac6590940ad690b46e8b6a9f432d7c00f9cbdTransfer203341512022-09-27 8:02:454 mins ago0xe0b6f9ffb03e1e6467aa7575d93294fa21999db6 IN  Chikn Farm: Fert Token0 AVAX0.0009350525 26.5
0x5e50da6ed66e5e1a42c199e8e329829467d733ec3edd018f973ebba371bc0c69Transfer203313132022-09-27 6:25:141 hr 41 mins ago0x616d2a10fae8e8ffd95941c489eeaab3584de936 IN  Chikn Farm: Fert Token0 AVAX0.0009350525 26.5
0xabe1e95d982738007c750ba474f0a86f39a71b0a7b6153d8c93f3d4dd6058084Transfer203294482022-09-27 5:21:152 hrs 45 mins ago0x3d1cd05e284a58027ceabc98c11512f77d1f7de6 IN  Chikn Farm: Fert Token0 AVAX0.00088212525
0xb4c41a479f91cb3028b6f93b4914c8d68c1230af44a4efa98e7ebad5748a6e99Transfer203294362022-09-27 5:20:482 hrs 46 mins ago0x6e895a09f46307d46ced2b5ac7cbc4b7130a419e IN  Chikn Farm: Fert Token0 AVAX0.00088212525
0x0edf060c85dacdf9ca5839a995e16fa18f94323620ce01484dc52d57a1180556Transfer203294282022-09-27 5:20:322 hrs 46 mins ago0x4105557d7def3d6e878114520ddda6478ebe79cf IN  Chikn Farm: Fert Token0 AVAX0.00088212525
0x35277577630d34d03523f171230380c7e29d95d32f10af5ee1669c9c2e7f94adTransfer203294152022-09-27 5:20:062 hrs 46 mins ago0xfdf8dc397a9bc931c6d7a51975a6b7486319329c IN  Chikn Farm: Fert Token0 AVAX0.00088212525
0x6800f1f09fd6736b9fc501136b54cbd9cbbf47a7a19b7996c3d3651b89383ab9Approve203282582022-09-27 4:40:173 hrs 26 mins ago0xc09d998d80c514084511303dbb7c6999db6a7d0b IN  Chikn Farm: Fert Token0 AVAX0.001232676926.1
0x0a5d22215cac1621acf28a090cea72f88b5f6b6976de454e6f12603bf6e59b89Approve203260022022-09-27 3:22:584 hrs 43 mins ago0x147a44ecbb03b104ee978e0fcdfc24a8bb303458 IN  Chikn Farm: Fert Token0 AVAX0.0012515685 26.5
0x5282d53f4bed802d7a4f78cf354540356d9f10780239c463aec07b49e32d24a6Transfer203255492022-09-27 3:07:344 hrs 59 mins ago0x6681a9f1a9f136cc4fb6b4dbf5ab81b90e3f0a18 IN  Chikn Farm: Fert Token0 AVAX0.0013882025 26.5
0xdf2aac74d90109c5e58b100ac764b063607fe4f366d28a633e5f3c543ec01067Approve203226622022-09-27 1:29:026 hrs 37 mins ago0xb6f78a7808a87838060ce6dadaba525edcaf848f IN  Chikn Farm: Fert Token0 AVAX0.0012515685 26.5
0x7a9aedf879cb0518668d7848d1ae10478333bc761201322c16a7a65c2073a11eApprove203194392022-09-26 23:38:378 hrs 28 mins ago0x5754c56adff728cdccd11fc3f574f854b23e6cab IN  Chikn Farm: Fert Token0 AVAX0.0007242185 26.5
0xaf1db3d97bd63d014bd613be946065152c35350cdafa564912de8adb8669d2aaApprove203194142022-09-26 23:37:478 hrs 29 mins ago0x06f4d2b2b4c24075e5cfc40ed2825413424248ea IN  Chikn Farm: Fert Token0 AVAX0.0012515685 26.5
0x08a2ab91a5c2ae76b7dc0c76fe8472331673883564121e14f359a9d8c9699cfaApprove203194042022-09-26 23:37:278 hrs 29 mins ago0x5754c56adff728cdccd11fc3f574f854b23e6cab IN  Chikn Farm: Fert Token0 AVAX0.0012515685 26.5
0x9bfe09138de118bd6ea69506d26587a06044bb94d44c17a4416ba00d7e52a88cApprove203149542022-09-26 21:04:3411 hrs 2 mins ago0x55099994ce86b8bfc0c76b7171b40566f549c706 IN  Chikn Farm: Fert Token0 AVAX0.0012515685 26.5
0x090fd1702152c01b7be0f7b2465f5693fd7f32fb8c57f1014dc62c3ffa5d1393Approve203132672022-09-26 20:06:5511 hrs 59 mins ago0x444229e461a9ebffb40b5fa2cc1c34e07d6b39fc IN  Chikn Farm: Fert Token0 AVAX0.001275183 27
0xf23aabb0a8aea44bf9e3ae1bf6ce7d6d9d0870c4c66d2e16dec11dc03124c637Transfer203128142022-09-26 19:51:2912 hrs 15 mins ago0x2cfffaee925a4bb7274c15eb484e803244a9c622 IN  Chikn Farm: Fert Token0 AVAX0.0013875665 26.5
0x9b1c3de55c7b34c4ca955f9693f17e9752ad0148db4542f8ce9283ae1ddd5afbTransfer203116322022-09-26 19:10:4612 hrs 56 mins ago0xb6e96c371592eff3126f3cdd462c67ca625e73ac IN  Chikn Farm: Fert Token0 AVAX0.0009350525 26.5
0x75f37f0dbb8a4ab282f7a34f905ff51933986dedd7544395fe6321924e1a6700Transfer203116252022-09-26 19:10:3112 hrs 56 mins ago0x32f1e804cf2ed1b3652fbba2fc745222133f1b59 IN  Chikn Farm: Fert Token0 AVAX0.0009350525 26.5
0xddaeae8f459715347c788bf5eaccf8697a34c23e8ce04a2f559ff905b6aa6346Transfer203116172022-09-26 19:10:1612 hrs 56 mins ago0x11467ad76dd99eb40293f9563052c5269df339e4 IN  Chikn Farm: Fert Token0 AVAX0.0009350525 26.5
0xfc9070ffc34fa6b63b74b21c50769dced9e2caf9bf9101d090a3c7a5bb1a5dd8Transfer203116102022-09-26 19:10:0212 hrs 56 mins ago0x03454ade62657c60ae4493c2bd9295c670172492 IN  Chikn Farm: Fert Token0 AVAX0.0009350525 26.5
0x0c0e4656f5e95fb85bceed5610b9aa93bdceb60e1b010b1b5f725bb95903044aTransfer203116022022-09-26 19:09:4612 hrs 57 mins ago0x51db65021abf22aaa40d15e85371e98571640ad3 IN  Chikn Farm: Fert Token0 AVAX0.0009350525 26.5
0xeff29af0bd02002e6050ce61741121d1210d1e0e1e15f8200eb16179360dbff1Transfer203066422022-09-26 16:18:2515 hrs 48 mins ago0x25f34198bbc16565782863f243a4d7d9c3f8fffc IN  Chikn Farm: Fert Token0 AVAX0.00093187685 26.41
0xac00a57d4bdd929344f771c509c12c064ffe1b07f6503f5a9fc29d5d7dc76d0fApprove203065552022-09-26 16:15:2215 hrs 51 mins ago0x62b9d72d55c63f443a8206c6fb88b7d3dd2ad159 IN  Chikn Farm: Fert Token0 AVAX0.001275183 27
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Contract Source Code Verified (Exact Match)

Contract Name:
Fert

Compiler Version
v0.8.3+commit.8d00100c

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 7 : Fert.sol
//SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "./Authorizable.sol";

contract Fert is ERC20, Authorizable {
    string private TOKEN_NAME = "chikn fert";
    string private TOKEN_SYMBOL = "FERT";

    event Minted(address owner, uint256 fertAmt);
    event Burned(address owner, uint256 fertAmt);

    mapping(address => bool) public authorizedToMint;

    modifier onlyAuthorizedToMint() {
        require(authorizedToMint[msg.sender] ||  owner() == msg.sender, "Not authorized to mint");
        _;
    }

     function addAuthorizedToMint(address _toAdd) onlyOwner public {
        require(_toAdd != address(0));
        authorizedToMint[_toAdd] = true;
    }

    function removeAuthorizedToMint(address _toRemove) onlyOwner public {
        require(_toRemove != address(0));
        require(_toRemove != msg.sender);
        authorizedToMint[_toRemove] = false;
    }

    // Constructor
    constructor() ERC20(TOKEN_NAME, TOKEN_SYMBOL) {
    }

    function mint(address to, uint256 amount) external onlyAuthorizedToMint {
        _mint(to, amount);
        emit Minted(to, amount);
    }

    function burn(address sender, uint256 amount) external onlyAuthorized {
        require(balanceOf(sender) >= amount, "NOT ENOUGH FERT");
        _burn(sender, amount);
        emit Burned(sender, amount);
    }
}

File 2 of 7 : ERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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.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:
     *
     * - `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, _allowances[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 = _allowances[owner][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, 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:
     *
     * - `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;
        }
        _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;
        _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 Spend `amount` form the allowance of `owner` toward `spender`.
     *
     * 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 {}
}

File 3 of 7 : Authorizable.sol
//SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

import "@openzeppelin/contracts/access/Ownable.sol";

contract Authorizable is Ownable {

    mapping(address => bool) public authorized;

    modifier onlyAuthorized() {
        require(authorized[msg.sender] ||  owner() == msg.sender, "Not authorized");
        _;
    }

    function addAuthorized(address _toAdd) onlyOwner public {
        require(_toAdd != address(0));
        authorized[_toAdd] = true;
    }

    function removeAuthorized(address _toRemove) onlyOwner public {
        require(_toRemove != address(0));
        require(_toRemove != msg.sender);
        authorized[_toRemove] = false;
    }

}

File 4 of 7 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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 `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);

    /**
     * @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 5 of 7 : IERC20Metadata.sol
// 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);
}

File 6 of 7 : Context.sol
// 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;
    }
}

File 7 of 7 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 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);
    }
}

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

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":false,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"fertAmt","type":"uint256"}],"name":"Burned","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"fertAmt","type":"uint256"}],"name":"Minted","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":[{"internalType":"address","name":"_toAdd","type":"address"}],"name":"addAuthorized","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_toAdd","type":"address"}],"name":"addAuthorizedToMint","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":"","type":"address"}],"name":"authorized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"authorizedToMint","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","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":"sender","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":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","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":"_toRemove","type":"address"}],"name":"removeAuthorized","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_toRemove","type":"address"}],"name":"removeAuthorizedToMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","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":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","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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