Token

gego.dego (GEGO)

ERC-721

Yield Farming

Staking

NFT

Overview

Max Total Supply

52,094 GEGO

Holders

26,274

Market

Volume (24H)

N/A

Min Price (24H)

N/A

Max Price (24H)

N/A

Other Info

Token Contract

0x27b4bc90fbe56f02ef50f2e2f79d7813aa8941a7

Filtered by Token Holder

0xB4366B4fDAD2a40b896Cfaa8Fd223C15F3b1621F

Balance

1 GEGO

0xb4366b4fdad2a40b896cfaa8fd223c15f3b1621f

OVERVIEW

GEGO is the NFT of DEGO Finance.

#	Exchange	Pair	Price	24H Volume	% Volume

Contract Source Code Verified (Exact Match)

Contract Name:

GegoToken

Compiler Version

v0.5.5+commit.47a71e8f

Optimization Enabled:

Yes with 200 runs

Other Settings:

default evmVersion

Contract Source Code (Solidity)

IDE

/**
 *Submitted for verification at Etherscan.io on 2020-09-26
*/

/***
 *    ██████╗ ███████╗ ██████╗  ██████╗ 
 *    ██╔══██╗██╔════╝██╔════╝ ██╔═══██╗
 *    ██║  ██║█████╗  ██║  ███╗██║   ██║
 *    ██║  ██║██╔══╝  ██║   ██║██║   ██║
 *    ██████╔╝███████╗╚██████╔╝╚██████╔╝
 *    ╚═════╝ ╚══════╝ ╚═════╝  ╚═════╝ 
 *    
 * https://dego.finance
                                  
* MIT License
* ===========
*
* Copyright (c) 2020 dego
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
*/
// File: @openzeppelin/contracts/GSN/Context.sol

pragma solidity ^0.5.0;

/*
 * @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 GSN 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.
 */
contract Context {
    // Empty internal constructor, to prevent people from mistakenly deploying
    // an instance of this contract, which should be used via inheritance.
    constructor () internal { }
    // solhint-disable-previous-line no-empty-blocks

    function _msgSender() internal view returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

// File: @openzeppelin/contracts/introspection/IERC165.sol

pragma solidity ^0.5.0;

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

// File: @openzeppelin/contracts/token/ERC721/IERC721.sol

pragma solidity ^0.5.0;


/**
 * @dev Required interface of an ERC721 compliant contract.
 */
contract IERC721 is IERC165 {
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

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

    /**
     * @dev Returns the owner of the NFT specified by `tokenId`.
     */
    function ownerOf(uint256 tokenId) public view returns (address owner);

    /**
     * @dev Transfers a specific NFT (`tokenId`) from one account (`from`) to
     * another (`to`).
     *
     *
     *
     * Requirements:
     * - `from`, `to` cannot be zero.
     * - `tokenId` must be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move this
     * NFT by either {approve} or {setApprovalForAll}.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId) public;
    /**
     * @dev Transfers a specific NFT (`tokenId`) from one account (`from`) to
     * another (`to`).
     *
     * Requirements:
     * - If the caller is not `from`, it must be approved to move this NFT by
     * either {approve} or {setApprovalForAll}.
     */
    function transferFrom(address from, address to, uint256 tokenId) public;
    function approve(address to, uint256 tokenId) public;
    function getApproved(uint256 tokenId) public view returns (address operator);

    function setApprovalForAll(address operator, bool _approved) public;
    function isApprovedForAll(address owner, address operator) public view returns (bool);


    function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public;
}

// File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol

pragma solidity ^0.5.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
contract IERC721Receiver {
    /**
     * @notice Handle the receipt of an NFT
     * @dev The ERC721 smart contract calls this function on the recipient
     * after a {IERC721-safeTransferFrom}. This function MUST return the function selector,
     * otherwise the caller will revert the transaction. The selector to be
     * returned can be obtained as `this.onERC721Received.selector`. This
     * function MAY throw to revert and reject the transfer.
     * Note: the ERC721 contract address is always the message sender.
     * @param operator The address which called `safeTransferFrom` function
     * @param from The address which previously owned the token
     * @param tokenId The NFT identifier which is being transferred
     * @param data Additional data with no specified format
     * @return bytes4 `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
     */
    function onERC721Received(address operator, address from, uint256 tokenId, bytes memory data)
    public returns (bytes4);
}

// File: @openzeppelin/contracts/math/SafeMath.sol

pragma solidity ^0.5.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @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) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    /**
     * @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 sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     * - Subtraction cannot overflow.
     *
     * _Available since v2.4.0._
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    /**
     * @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) {
        // 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 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts 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) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts 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.
     *
     * _Available since v2.4.0._
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts 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 mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message 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.
     *
     * _Available since v2.4.0._
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

// File: @openzeppelin/contracts/utils/Address.sol

pragma solidity ^0.5.5;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following 
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
        // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
        // for accounts without code, i.e. `keccak256('')`
        bytes32 codehash;
        bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
        // solhint-disable-next-line no-inline-assembly
        assembly { codehash := extcodehash(account) }
        return (codehash != accountHash && codehash != 0x0);
    }

    /**
     * @dev Converts an `address` into `address payable`. Note that this is
     * simply a type cast: the actual underlying value is not changed.
     *
     * _Available since v2.4.0._
     */
    function toPayable(address account) internal pure returns (address payable) {
        return address(uint160(account));
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     *
     * _Available since v2.4.0._
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        // solhint-disable-next-line avoid-call-value
        (bool success, ) = recipient.call.value(amount)("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }
}

// File: @openzeppelin/contracts/drafts/Counters.sol

pragma solidity ^0.5.0;


/**
 * @title Counters
 * @author Matt Condon (@shrugs)
 * @dev Provides counters that can only be incremented or decremented by one. This can be used e.g. to track the number
 * of elements in a mapping, issuing ERC721 ids, or counting request ids.
 *
 * Include with `using Counters for Counters.Counter;`
 * Since it is not possible to overflow a 256 bit integer with increments of one, `increment` can skip the {SafeMath}
 * overflow check, thereby saving gas. This does assume however correct usage, in that the underlying `_value` is never
 * directly accessed.
 */
library Counters {
    using SafeMath for uint256;

    struct Counter {
        // This variable should never be directly accessed by users of the library: interactions must be restricted to
        // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
        // this feature: see https://github.com/ethereum/solidity/issues/4637
        uint256 _value; // default: 0
    }

    function current(Counter storage counter) internal view returns (uint256) {
        return counter._value;
    }

    function increment(Counter storage counter) internal {
        // The {SafeMath} overflow check can be skipped here, see the comment at the top
        counter._value += 1;
    }

    function decrement(Counter storage counter) internal {
        counter._value = counter._value.sub(1);
    }
}

// File: @openzeppelin/contracts/introspection/ERC165.sol

pragma solidity ^0.5.0;


/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts may inherit from this and call {_registerInterface} to declare
 * their support of an interface.
 */
contract ERC165 is IERC165 {
    /*
     * bytes4(keccak256('supportsInterface(bytes4)')) == 0x01ffc9a7
     */
    bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;

    /**
     * @dev Mapping of interface ids to whether or not it's supported.
     */
    mapping(bytes4 => bool) private _supportedInterfaces;

    constructor () internal {
        // Derived contracts need only register support for their own interfaces,
        // we register support for ERC165 itself here
        _registerInterface(_INTERFACE_ID_ERC165);
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     *
     * Time complexity O(1), guaranteed to always use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool) {
        return _supportedInterfaces[interfaceId];
    }

    /**
     * @dev Registers the contract as an implementer of the interface defined by
     * `interfaceId`. Support of the actual ERC165 interface is automatic and
     * registering its interface id is not required.
     *
     * See {IERC165-supportsInterface}.
     *
     * Requirements:
     *
     * - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`).
     */
    function _registerInterface(bytes4 interfaceId) internal {
        require(interfaceId != 0xffffffff, "ERC165: invalid interface id");
        _supportedInterfaces[interfaceId] = true;
    }
}

// File: @openzeppelin/contracts/token/ERC721/ERC721.sol

pragma solidity ^0.5.0;








/**
 * @title ERC721 Non-Fungible Token Standard basic implementation
 * @dev see https://eips.ethereum.org/EIPS/eip-721
 */
contract ERC721 is Context, ERC165, IERC721 {
    using SafeMath for uint256;
    using Address for address;
    using Counters for Counters.Counter;

    // Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
    // which can be also obtained as `IERC721Receiver(0).onERC721Received.selector`
    bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;

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

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

    // Mapping from owner to number of owned token
    mapping (address => Counters.Counter) private _ownedTokensCount;

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

    /*
     *     bytes4(keccak256('balanceOf(address)')) == 0x70a08231
     *     bytes4(keccak256('ownerOf(uint256)')) == 0x6352211e
     *     bytes4(keccak256('approve(address,uint256)')) == 0x095ea7b3
     *     bytes4(keccak256('getApproved(uint256)')) == 0x081812fc
     *     bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465
     *     bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5
     *     bytes4(keccak256('transferFrom(address,address,uint256)')) == 0x23b872dd
     *     bytes4(keccak256('safeTransferFrom(address,address,uint256)')) == 0x42842e0e
     *     bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) == 0xb88d4fde
     *
     *     => 0x70a08231 ^ 0x6352211e ^ 0x095ea7b3 ^ 0x081812fc ^
     *        0xa22cb465 ^ 0xe985e9c ^ 0x23b872dd ^ 0x42842e0e ^ 0xb88d4fde == 0x80ac58cd
     */
    bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;

    constructor () public {
        // register the supported interfaces to conform to ERC721 via ERC165
        _registerInterface(_INTERFACE_ID_ERC721);
    }

    /**
     * @dev Gets the balance of the specified address.
     * @param owner address to query the balance of
     * @return uint256 representing the amount owned by the passed address
     */
    function balanceOf(address owner) public view returns (uint256) {
        require(owner != address(0), "ERC721: balance query for the zero address");

        return _ownedTokensCount[owner].current();
    }

    /**
     * @dev Gets the owner of the specified token ID.
     * @param tokenId uint256 ID of the token to query the owner of
     * @return address currently marked as the owner of the given token ID
     */
    function ownerOf(uint256 tokenId) public view returns (address) {
        address owner = _tokenOwner[tokenId];
        require(owner != address(0), "ERC721: owner query for nonexistent token");

        return owner;
    }

    /**
     * @dev Approves another address to transfer the given token ID
     * The zero address indicates there is no approved address.
     * There can only be one approved address per token at a given time.
     * Can only be called by the token owner or an approved operator.
     * @param to address to be approved for the given token ID
     * @param tokenId uint256 ID of the token to be approved
     */
    function approve(address to, uint256 tokenId) public {
        address owner = ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

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

        _tokenApprovals[tokenId] = to;
        emit Approval(owner, to, tokenId);
    }

    /**
     * @dev Gets the approved address for a token ID, or zero if no address set
     * Reverts if the token ID does not exist.
     * @param tokenId uint256 ID of the token to query the approval of
     * @return address currently approved for the given token ID
     */
    function getApproved(uint256 tokenId) public view returns (address) {
        require(_exists(tokenId), "ERC721: approved query for nonexistent token");

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev Sets or unsets the approval of a given operator
     * An operator is allowed to transfer all tokens of the sender on their behalf.
     * @param to operator address to set the approval
     * @param approved representing the status of the approval to be set
     */
    function setApprovalForAll(address to, bool approved) public {
        require(to != _msgSender(), "ERC721: approve to caller");

        _operatorApprovals[_msgSender()][to] = approved;
        emit ApprovalForAll(_msgSender(), to, approved);
    }

    /**
     * @dev Tells whether an operator is approved by a given owner.
     * @param owner owner address which you want to query the approval of
     * @param operator operator address which you want to query the approval of
     * @return bool whether the given operator is approved by the given owner
     */
    function isApprovedForAll(address owner, address operator) public view returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev Transfers the ownership of a given token ID to another address.
     * Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     * Requires the msg.sender to be the owner, approved, or operator.
     * @param from current owner of the token
     * @param to address to receive the ownership of the given token ID
     * @param tokenId uint256 ID of the token to be transferred
     */
    function transferFrom(address from, address to, uint256 tokenId) public {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");

        _transferFrom(from, to, tokenId);
    }

    /**
     * @dev Safely transfers the ownership of a given token ID to another address
     * If the target address is a contract, it must implement {IERC721Receiver-onERC721Received},
     * which is called upon a safe transfer, and return the magic value
     * `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise,
     * the transfer is reverted.
     * Requires the msg.sender to be the owner, approved, or operator
     * @param from current owner of the token
     * @param to address to receive the ownership of the given token ID
     * @param tokenId uint256 ID of the token to be transferred
     */
    function safeTransferFrom(address from, address to, uint256 tokenId) public {
        safeTransferFrom(from, to, tokenId, "");
    }

    /**
     * @dev Safely transfers the ownership of a given token ID to another address
     * If the target address is a contract, it must implement {IERC721Receiver-onERC721Received},
     * which is called upon a safe transfer, and return the magic value
     * `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise,
     * the transfer is reverted.
     * Requires the _msgSender() to be the owner, approved, or operator
     * @param from current owner of the token
     * @param to address to receive the ownership of the given token ID
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes data to send along with a safe transfer check
     */
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
        _safeTransferFrom(from, to, tokenId, _data);
    }

    /**
     * @dev Safely transfers the ownership of a given token ID to another address
     * If the target address is a contract, it must implement `onERC721Received`,
     * which is called upon a safe transfer, and return the magic value
     * `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise,
     * the transfer is reverted.
     * Requires the msg.sender to be the owner, approved, or operator
     * @param from current owner of the token
     * @param to address to receive the ownership of the given token ID
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes data to send along with a safe transfer check
     */
    function _safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) internal {
        _transferFrom(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @dev Returns whether the specified token exists.
     * @param tokenId uint256 ID of the token to query the existence of
     * @return bool whether the token exists
     */
    function _exists(uint256 tokenId) internal view returns (bool) {
        address owner = _tokenOwner[tokenId];
        return owner != address(0);
    }

    /**
     * @dev Returns whether the given spender can transfer a given token ID.
     * @param spender address of the spender to query
     * @param tokenId uint256 ID of the token to be transferred
     * @return bool whether the msg.sender is approved for the given token ID,
     * is an operator of the owner, or is the owner of the token
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view returns (bool) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
    }

    /**
     * @dev Internal function to safely mint a new token.
     * Reverts if the given token ID already exists.
     * If the target address is a contract, it must implement `onERC721Received`,
     * which is called upon a safe transfer, and return the magic value
     * `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise,
     * the transfer is reverted.
     * @param to The address that will own the minted token
     * @param tokenId uint256 ID of the token to be minted
     */
    function _safeMint(address to, uint256 tokenId) internal {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Internal function to safely mint a new token.
     * Reverts if the given token ID already exists.
     * If the target address is a contract, it must implement `onERC721Received`,
     * which is called upon a safe transfer, and return the magic value
     * `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise,
     * the transfer is reverted.
     * @param to The address that will own the minted token
     * @param tokenId uint256 ID of the token to be minted
     * @param _data bytes data to send along with a safe transfer check
     */
    function _safeMint(address to, uint256 tokenId, bytes memory _data) internal {
        _mint(to, tokenId);
        require(_checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @dev Internal function to mint a new token.
     * Reverts if the given token ID already exists.
     * @param to The address that will own the minted token
     * @param tokenId uint256 ID of the token to be minted
     */
    function _mint(address to, uint256 tokenId) internal {
        require(to != address(0), "ERC721: mint to the zero address");
        require(!_exists(tokenId), "ERC721: token already minted");

        _tokenOwner[tokenId] = to;
        _ownedTokensCount[to].increment();

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

    /**
     * @dev Internal function to burn a specific token.
     * Reverts if the token does not exist.
     * Deprecated, use {_burn} instead.
     * @param owner owner of the token to burn
     * @param tokenId uint256 ID of the token being burned
     */
    function _burn(address owner, uint256 tokenId) internal {
        require(ownerOf(tokenId) == owner, "ERC721: burn of token that is not own");

        _clearApproval(tokenId);

        _ownedTokensCount[owner].decrement();
        _tokenOwner[tokenId] = address(0);

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

    /**
     * @dev Internal function to burn a specific token.
     * Reverts if the token does not exist.
     * @param tokenId uint256 ID of the token being burned
     */
    function _burn(uint256 tokenId) internal {
        _burn(ownerOf(tokenId), tokenId);
    }

    /**
     * @dev Internal function to transfer ownership of a given token ID to another address.
     * As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     * @param from current owner of the token
     * @param to address to receive the ownership of the given token ID
     * @param tokenId uint256 ID of the token to be transferred
     */
    function _transferFrom(address from, address to, uint256 tokenId) internal {
        require(ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
        require(to != address(0), "ERC721: transfer to the zero address");

        _clearApproval(tokenId);

        _ownedTokensCount[from].decrement();
        _ownedTokensCount[to].increment();

        _tokenOwner[tokenId] = to;

        emit Transfer(from, to, tokenId);
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a contract.
     *
     * This is an internal detail of the `ERC721` contract and its use is deprecated.
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory _data)
        internal returns (bool)
    {
        if (!to.isContract()) {
            return true;
        }
        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = to.call(abi.encodeWithSelector(
            IERC721Receiver(to).onERC721Received.selector,
            _msgSender(),
            from,
            tokenId,
            _data
        ));
        if (!success) {
            if (returndata.length > 0) {
                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert("ERC721: transfer to non ERC721Receiver implementer");
            }
        } else {
            bytes4 retval = abi.decode(returndata, (bytes4));
            return (retval == _ERC721_RECEIVED);
        }
    }

    /**
     * @dev Private function to clear current approval of a given token ID.
     * @param tokenId uint256 ID of the token to be transferred
     */
    function _clearApproval(uint256 tokenId) private {
        if (_tokenApprovals[tokenId] != address(0)) {
            _tokenApprovals[tokenId] = address(0);
        }
    }
}

// File: @openzeppelin/contracts/token/ERC721/IERC721Enumerable.sol

pragma solidity ^0.5.0;


/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
contract IERC721Enumerable is IERC721 {
    function totalSupply() public view returns (uint256);
    function tokenOfOwnerByIndex(address owner, uint256 index) public view returns (uint256 tokenId);

    function tokenByIndex(uint256 index) public view returns (uint256);
}

// File: @openzeppelin/contracts/token/ERC721/ERC721Enumerable.sol

pragma solidity ^0.5.0;





/**
 * @title ERC-721 Non-Fungible Token with optional enumeration extension logic
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
contract ERC721Enumerable is Context, ERC165, ERC721, IERC721Enumerable {
    // Mapping from owner to list of owned token IDs
    mapping(address => uint256[]) private _ownedTokens;

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

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

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

    /*
     *     bytes4(keccak256('totalSupply()')) == 0x18160ddd
     *     bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) == 0x2f745c59
     *     bytes4(keccak256('tokenByIndex(uint256)')) == 0x4f6ccce7
     *
     *     => 0x18160ddd ^ 0x2f745c59 ^ 0x4f6ccce7 == 0x780e9d63
     */
    bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63;

    /**
     * @dev Constructor function.
     */
    constructor () public {
        // register the supported interface to conform to ERC721Enumerable via ERC165
        _registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE);
    }

    /**
     * @dev Gets the token ID at a given index of the tokens list of the requested owner.
     * @param owner address owning the tokens list to be accessed
     * @param index uint256 representing the index to be accessed of the requested tokens list
     * @return uint256 token ID at the given index of the tokens list owned by the requested address
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view returns (uint256) {
        require(index < balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
        return _ownedTokens[owner][index];
    }

    /**
     * @dev Gets the total amount of tokens stored by the contract.
     * @return uint256 representing the total amount of tokens
     */
    function totalSupply() public view returns (uint256) {
        return _allTokens.length;
    }

    /**
     * @dev Gets the token ID at a given index of all the tokens in this contract
     * Reverts if the index is greater or equal to the total number of tokens.
     * @param index uint256 representing the index to be accessed of the tokens list
     * @return uint256 token ID at the given index of the tokens list
     */
    function tokenByIndex(uint256 index) public view returns (uint256) {
        require(index < totalSupply(), "ERC721Enumerable: global index out of bounds");
        return _allTokens[index];
    }

    /**
     * @dev Internal function to transfer ownership of a given token ID to another address.
     * As opposed to transferFrom, this imposes no restrictions on msg.sender.
     * @param from current owner of the token
     * @param to address to receive the ownership of the given token ID
     * @param tokenId uint256 ID of the token to be transferred
     */
    function _transferFrom(address from, address to, uint256 tokenId) internal {
        super._transferFrom(from, to, tokenId);

        _removeTokenFromOwnerEnumeration(from, tokenId);

        _addTokenToOwnerEnumeration(to, tokenId);
    }

    /**
     * @dev Internal function to mint a new token.
     * Reverts if the given token ID already exists.
     * @param to address the beneficiary that will own the minted token
     * @param tokenId uint256 ID of the token to be minted
     */
    function _mint(address to, uint256 tokenId) internal {
        super._mint(to, tokenId);

        _addTokenToOwnerEnumeration(to, tokenId);

        _addTokenToAllTokensEnumeration(tokenId);
    }

    /**
     * @dev Internal function to burn a specific token.
     * Reverts if the token does not exist.
     * Deprecated, use {ERC721-_burn} instead.
     * @param owner owner of the token to burn
     * @param tokenId uint256 ID of the token being burned
     */
    function _burn(address owner, uint256 tokenId) internal {
        super._burn(owner, tokenId);

        _removeTokenFromOwnerEnumeration(owner, tokenId);
        // Since tokenId will be deleted, we can clear its slot in _ownedTokensIndex to trigger a gas refund
        _ownedTokensIndex[tokenId] = 0;

        _removeTokenFromAllTokensEnumeration(tokenId);
    }

    /**
     * @dev Gets the list of token IDs of the requested owner.
     * @param owner address owning the tokens
     * @return uint256[] List of token IDs owned by the requested address
     */
    function _tokensOfOwner(address owner) internal view returns (uint256[] storage) {
        return _ownedTokens[owner];
    }

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

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

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

        uint256 lastTokenIndex = _ownedTokens[from].length.sub(1);
        uint256 tokenIndex = _ownedTokensIndex[tokenId];

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

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

        // This also deletes the contents at the last position of the array
        _ownedTokens[from].length--;

        // Note that _ownedTokensIndex[tokenId] hasn't been cleared: it still points to the old slot (now occupied by
        // lastTokenId, or just over the end of the array if the token was the last one).
    }

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

        uint256 lastTokenIndex = _allTokens.length.sub(1);
        uint256 tokenIndex = _allTokensIndex[tokenId];

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

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

        // This also deletes the contents at the last position of the array
        _allTokens.length--;
        _allTokensIndex[tokenId] = 0;
    }
}

// File: @openzeppelin/contracts/token/ERC721/IERC721Metadata.sol

pragma solidity ^0.5.0;


/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
contract IERC721Metadata is IERC721 {
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// File: @openzeppelin/contracts/token/ERC721/ERC721Metadata.sol

pragma solidity ^0.5.0;





contract ERC721Metadata is Context, ERC165, ERC721, IERC721Metadata {
    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Base URI
    string private _baseURI;

    // Optional mapping for token URIs
    mapping(uint256 => string) private _tokenURIs;

    /*
     *     bytes4(keccak256('name()')) == 0x06fdde03
     *     bytes4(keccak256('symbol()')) == 0x95d89b41
     *     bytes4(keccak256('tokenURI(uint256)')) == 0xc87b56dd
     *
     *     => 0x06fdde03 ^ 0x95d89b41 ^ 0xc87b56dd == 0x5b5e139f
     */
    bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;

    /**
     * @dev Constructor function
     */
    constructor (string memory name, string memory symbol) public {
        _name = name;
        _symbol = symbol;

        // register the supported interfaces to conform to ERC721 via ERC165
        _registerInterface(_INTERFACE_ID_ERC721_METADATA);
    }

    /**
     * @dev Gets the token name.
     * @return string representing the token name
     */
    function name() external view returns (string memory) {
        return _name;
    }

    /**
     * @dev Gets the token symbol.
     * @return string representing the token symbol
     */
    function symbol() external view returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the URI for a given token ID. May return an empty string.
     *
     * If the token's URI is non-empty and a base URI was set (via
     * {_setBaseURI}), it will be added to the token ID's URI as a prefix.
     *
     * Reverts if the token ID does not exist.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

        string memory _tokenURI = _tokenURIs[tokenId];

        // Even if there is a base URI, it is only appended to non-empty token-specific URIs
        if (bytes(_tokenURI).length == 0) {
            return "";
        } else {
            // abi.encodePacked is being used to concatenate strings
            return string(abi.encodePacked(_baseURI, _tokenURI));
        }
    }

    /**
     * @dev Internal function to set the token URI for a given token.
     *
     * Reverts if the token ID does not exist.
     *
     * TIP: if all token IDs share a prefix (e.g. if your URIs look like
     * `http://api.myproject.com/token/<id>`), use {_setBaseURI} to store
     * it and save gas.
     */
    function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal {
        require(_exists(tokenId), "ERC721Metadata: URI set of nonexistent token");
        _tokenURIs[tokenId] = _tokenURI;
    }

    /**
     * @dev Internal function to set the base URI for all token IDs. It is
     * automatically added as a prefix to the value returned in {tokenURI}.
     *
     * _Available since v2.5.0._
     */
    function _setBaseURI(string memory baseURI) internal {
        _baseURI = baseURI;
    }

    /**
    * @dev Returns the base URI set via {_setBaseURI}. This will be
    * automatically added as a preffix in {tokenURI} to each token's URI, when
    * they are non-empty.
    *
    * _Available since v2.5.0._
    */
    function baseURI() external view returns (string memory) {
        return _baseURI;
    }

    /**
     * @dev Internal function to burn a specific token.
     * Reverts if the token does not exist.
     * Deprecated, use _burn(uint256) instead.
     * @param owner owner of the token to burn
     * @param tokenId uint256 ID of the token being burned by the msg.sender
     */
    function _burn(address owner, uint256 tokenId) internal {
        super._burn(owner, tokenId);

        // Clear metadata (if any)
        if (bytes(_tokenURIs[tokenId]).length != 0) {
            delete _tokenURIs[tokenId];
        }
    }
}

// File: @openzeppelin/contracts/token/ERC721/ERC721Full.sol

pragma solidity ^0.5.0;




/**
 * @title Full ERC721 Token
 * @dev This implementation includes all the required and some optional functionality of the ERC721 standard
 * Moreover, it includes approve all functionality using operator terminology.
 *
 * See https://eips.ethereum.org/EIPS/eip-721
 */
contract ERC721Full is ERC721, ERC721Enumerable, ERC721Metadata {
    constructor (string memory name, string memory symbol) public ERC721Metadata(name, symbol) {
        // solhint-disable-previous-line no-empty-blocks
    }
}

// File: contracts/library/Governance.sol

pragma solidity ^0.5.0;

contract Governance {

    address public _governance;

    constructor() public {
        _governance = tx.origin;
    }

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

    modifier onlyGovernance {
        require(msg.sender == _governance, "not governance");
        _;
    }

    function setGovernance(address governance)  public  onlyGovernance
    {
        require(governance != address(0), "new governance the zero address");
        emit GovernanceTransferred(_governance, governance);
        _governance = governance;
    }


}

// File: contracts/library/DegoUtil.sol

pragma solidity ^0.5.0;


library DegoUtil {
    function uintToString(uint _i) internal pure returns (string memory _uintAsString) {
        if (_i == 0) {
            return "0";
        }
        uint j = _i;
        uint len;
        while (j != 0) {
            len++;
            j /= 10;
        }
        bytes memory bstr = new bytes(len);
        uint k = len - 1;
        while (_i != 0) {
            bstr[k--] = byte(uint8(48 + _i % 10));
            _i /= 10;
        }
        return string(bstr);
    }
}

// File: contracts/nft/GegoToken.sol

pragma solidity ^0.5.5;




contract GegoToken is ERC721Full, Governance {
    // for minters
    mapping(address => bool) public _minters;



    constructor() public ERC721Full("gego.dego", "GEGO") {
        _setBaseURI("https://api.dego.finance/gego-token/");
    }


    function setURIPrefix(string memory baseURI) internal {
        _setBaseURI(baseURI);
    }


    /**
     * @dev Function to mint tokens.
     * @param to The address that will receive the minted token.
     * @param tokenId The token id to mint.
     * @return A boolean that indicates if the operation was successful.
     */
    function mint(address to, uint256 tokenId) external returns (bool) {
        require(_minters[msg.sender], "!minter");
        _mint(to, tokenId);
        _setTokenURI(tokenId, DegoUtil.uintToString(tokenId));
        return true;
    }

    /**
     * @dev Function to safely mint tokens.
     * @param to The address that will receive the minted token.
     * @param tokenId The token id to mint.
     * @return A boolean that indicates if the operation was successful.
     */
    function safeMint(address to, uint256 tokenId) public returns (bool) {
        require(_minters[msg.sender], "!minter");
        _safeMint(to, tokenId);
        _setTokenURI(tokenId, DegoUtil.uintToString(tokenId));
        return true;
    }

    /**
     * @dev Function to safely mint tokens.
     * @param to The address that will receive the minted token.
     * @param tokenId The token id to mint.
     * @param _data bytes data to send along with a safe transfer check.
     * @return A boolean that indicates if the operation was successful.
     */
    function safeMint(
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public returns (bool) {
        _safeMint(to, tokenId, _data);
        _setTokenURI(tokenId, DegoUtil.uintToString(tokenId));
        return true;
    }

    function addMinter(address minter) public onlyGovernance {
        _minters[minter] = true;
    }

    function removeMinter(address minter) public onlyGovernance {
        _minters[minter] = false;
    }

    /**
     * @dev Burns a specific ERC721 token.
     * @param tokenId uint256 id of the ERC721 token to be burned.
     */
    function burn(uint256 tokenId) external {
        //solhint-disable-next-line max-line-length
        require(_minters[msg.sender], "!minter");
        require(
            _isApprovedOrOwner(_msgSender(), tokenId),
            "caller is not owner nor approved"
        );
        _burn(tokenId);
    }


    /**
     * @dev Gets the list of token IDs of the requested owner.
     * @param owner address owning the tokens
     * @return uint256[] List of token IDs owned by the requested address
     */
    function tokensOfOwner(address owner) public view returns (uint256[] memory) {
        return _tokensOfOwner(owner);
    }


}

Contract Security Audit

No Contract Security Audit Submitted- Submit Audit Here

Contract ABI

[{"constant":true,"inputs":[{"name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_governance","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"from","type":"address"},{"name":"to","type":"address"},{"name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"},{"name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"minter","type":"address"}],"name":"removeMinter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"_minters","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"tokenId","type":"uint256"}],"name":"mint","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"from","type":"address"},{"name":"to","type":"address"},{"name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"tokenId","type":"uint256"}],"name":"burn","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"baseURI","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"}],"name":"tokensOfOwner","outputs":[{"name":"","type":"uint256[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"tokenId","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"safeMint","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"minter","type":"address"}],"name":"addMinter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"tokenId","type":"uint256"}],"name":"safeMint","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"governance","type":"address"}],"name":"setGovernance","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"from","type":"address"},{"name":"to","type":"address"},{"name":"tokenId","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"},{"name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"GovernanceTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":true,"name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"approved","type":"address"},{"indexed":true,"name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"operator","type":"address"},{"indexed":false,"name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"}]

Contract Creation Code

Decompile Bytecode Switch to Opcodes View

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

Deployed Bytecode

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

A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.

Tools & Services