Token

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;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract RebelKidsStickers is ERC20, Ownable {

    using ECDSA for bytes32;

    address public authorizedSigner;
    uint public globalNonce;
    mapping(address => uint) public userNonce;

    constructor() ERC20("Rebel Kids Stickers", "RBLSTCKRS") {
    }

    function decimals() public view virtual override returns (uint8) {
        return 3;
    }

    function hashTransaction(address minter, uint stickers, uint nonce) internal pure returns (bytes32) {
        bytes32 dataHash = keccak256(abi.encodePacked(minter, stickers, nonce));
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", dataHash));
    }

    function recoverSignerAddress(address minter, uint stickers, uint nonce, bytes memory signature) internal pure returns (address) {
        bytes32 hash = hashTransaction(minter, stickers, nonce);
        return hash.recover(signature);
    }

    function claim(uint stickers, uint nonce, bytes memory signature) external {
        require(recoverSignerAddress(msg.sender, stickers, nonce, signature) == authorizedSigner, "Unauthorized signer address");
        require(nonce > userNonce[msg.sender] && nonce > globalNonce, "Wrong nonce");
        userNonce[msg.sender] = nonce;
        _mint(msg.sender, stickers);
    }

    function sendTokens(address[] memory addresses, uint[] memory amounts) external onlyOwner {
        for (uint i = 0; i < addresses.length; i++) {
            _mint(addresses[i], amounts[i]);
        }
    }

    function setSigner(address _authorizedSigner) external onlyOwner {
        authorizedSigner = _authorizedSigner;
    }

    function setGlobalNonce(uint _globalNonce) external onlyOwner {
        globalNonce = _globalNonce;
    }


}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s;
        uint8 v;
        assembly {
            s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
            v := add(shr(255, vs), 27)
        }
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }
        if (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

// 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;
    }
}

// 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);
}

// SPDX-License-Identifier: MIT

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);
}

// SPDX-License-Identifier: MIT

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:
     *
     * - `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 {}
}

// SPDX-License-Identifier: MIT

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() {
        _setOwner(_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 {
        _setOwner(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");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "berlin",
  "libraries": {},
  "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":"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":[{"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":[],"name":"authorizedSigner","outputs":[{"internalType":"address","name":"","type":"address"}],"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":"uint256","name":"stickers","type":"uint256"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"claim","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":[],"name":"globalNonce","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":[],"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":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"addresses","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"name":"sendTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_globalNonce","type":"uint256"}],"name":"setGlobalNonce","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_authorizedSigner","type":"address"}],"name":"setSigner","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"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userNonce","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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