Contract 0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c

 

Contract Overview

Balance:
0 BNB

BNB Value:
$0.00

Token:
 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x545812c1e439527ea453c4a5aada01c02b22c369e8f9cdaf2b652189df5abd96Approve86061422021-06-25 13:49:0292 days 19 hrs ago0x33b146a2cf561205ce523472a39e3b78420a37d0 IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.000220290054
0x005cec5b1ec161fb80f0f25f04d0e2c24e7b2ef546acd289a5bf0c16f4752041Approve86061242021-06-25 13:48:0892 days 19 hrs ago0x33b146a2cf561205ce523472a39e3b78420a37d0 IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.000220230054
0x6f0769d967b7c344f0e8afbc308d90f53ab2a80e899f2e7edf30a24143121025Approve86059202021-06-25 13:37:5692 days 19 hrs ago0x33b146a2cf561205ce523472a39e3b78420a37d0 IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.000220290054
0x10d9d9f51b259dcf65142959799e113a642ee578c20325372feb43ec61faea1cApprove73497832021-05-12 15:20:16136 days 18 hrs ago0x24c6dc7396983152bec49dc4b22da5cfe84f1659 IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.000310842
0x6c17213cd980c63cf60fdf7a43b857c6fc7e7c7c39979bd72dbf1477bc574d7dApprove69466852021-04-28 2:39:25151 days 6 hrs ago0x7fd97686785cb93098fa25d0d6c47cb0513b9a01 IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00022029
0x529d262226743cdb2a1ce612539b8f8c517a91769ecf7c615e368b17610eb884Approve68337312021-04-24 3:57:01155 days 5 hrs ago0x06ffc922b8c5e0e982bd6fd88f09f5bec8773797 IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00022029
0x248793cbe2d3ec2b4d3931230bd8accb22f777b8f13fb9adfb4e42677ccc751eApprove67432402021-04-20 23:02:08158 days 10 hrs ago0x5c182c4089770d1d1cf4a2f9adab651ca833b0f7 IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00022203
0x18b58f6b5e3c788301c2c2e301562909b6e96eef39e5470dc54b9efa4f83289bApprove65204712021-04-13 4:51:03166 days 4 hrs ago0x7fd97686785cb93098fa25d0d6c47cb0513b9a01 IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00022029
0x22ace1a33dfd194b577c853025e3824b86369b2c7bf4243479e892e1558edfbfApprove65196762021-04-13 4:11:18166 days 5 hrs ago0x750c171085bfd291a36620e79124d5589a1b227a IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00022203
0x81765d10fc358a032c14f55b1769323df020c9a86b283d37e3ae61cf902a9498Approve65163662021-04-13 1:25:46166 days 8 hrs ago0x5d3cc297c7dd70bdea7776569696431d17d30cbc IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00022029
0x602654db039eabf9d871f5094a944e9bb0b3744e0eca8fdf9815e782e1f46c27Approve64899802021-04-12 3:23:55167 days 6 hrs ago0x7fd97686785cb93098fa25d0d6c47cb0513b9a01 IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00022029
0xe24671666e126093beaaf0e646708f93fc23946b5710af5320c2c205f04f9ffaApprove64898642021-04-12 3:18:07167 days 6 hrs ago0x7fd97686785cb93098fa25d0d6c47cb0513b9a01 IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00022029
0x5df5408c4ac776eceedd395d0978a0ddab90a3f6de16b9a3e55676191f383359Approve64102372021-04-09 8:49:08170 days 47 mins ago0x6cd0c6c441aca1ef2a3367913db5fa3a3afff4fd IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00022203
0x3efc38fc680646079928c6b9a513dbaac35e337b6fb374cdf49c608a8e434471Approve63618592021-04-07 15:08:13171 days 18 hrs ago0xedc7664877d4b720a151404889291907c8e1fb49 IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00022203
0x09c6edbe80f4b62bae08ccea2c6ef7b84f2113e962b55bd09251b9389a7df6b2Approve63574562021-04-07 11:21:43171 days 22 hrs ago0xd6cee4f5f5ee3c3d81d629d5bd6d525883114a31 IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.000310842
0xfb85568dad6cab90d6facb569620c650e1c7167ce5e7a923ec698ae759bd6ca7Approve63558862021-04-07 9:55:55171 days 23 hrs ago0x6cd0c6c441aca1ef2a3367913db5fa3a3afff4fd IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00024846
0xfe988caac9edd9fbb3159a667b8909ca9a04f2cf94a9ff28b222f3d750d16133Approve63558722021-04-07 9:55:13171 days 23 hrs ago0x6cd0c6c441aca1ef2a3367913db5fa3a3afff4fd IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00024846
0x337a875583ca2749b00696518fe4af61517124f41f367b9c092f4f4e36a187d5Approve63558692021-04-07 9:55:04171 days 23 hrs ago0x6cd0c6c441aca1ef2a3367913db5fa3a3afff4fd IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00044046
0x25c108df303334f151c37b4b0dc143ea62477821cae075bd6d6f2d6ae4f194b1Approve63552022021-04-07 9:21:43172 days 14 mins ago0x6cd0c6c441aca1ef2a3367913db5fa3a3afff4fd IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00044046
0x248bc6a5e1965929e7048d1f1b8ad496a208c2dc54c65c1bf31d672fb240656fApprove63358902021-04-06 16:59:14172 days 16 hrs ago0x06ffc922b8c5e0e982bd6fd88f09f5bec8773797 IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00044058
0x5e59a76a0232eae4da654cd3b993418392553ceb3cb11380c4381faa525189feApprove63002052021-04-05 10:23:30173 days 23 hrs ago0xd696ff70a96c337fea643120e29d4296f4d2420c IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00024846
0xd09a5185a522c8d80ef5ae33c0fcbc9a5840bce611427ac057300145f1a9d335Approve63001982021-04-05 10:23:09173 days 23 hrs ago0xd696ff70a96c337fea643120e29d4296f4d2420c IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00024846
0x3929ffc9e55a19cd305c91cb38173ea5cae2a73313df626d19b9301754be2fc5Approve63001912021-04-05 10:22:48173 days 23 hrs ago0xd696ff70a96c337fea643120e29d4296f4d2420c IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00044046
0x1db51d6d43fbfd493cd100d9c2011aecd697e494b9190cc03731628b16cd55edApprove62999652021-04-05 10:11:30173 days 23 hrs ago0xd696ff70a96c337fea643120e29d4296f4d2420c IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00024846
0xfa21ac93ff54cf145e6a056133162f693de2e60a95c89a28c7ca88082885df5fApprove62999612021-04-05 10:11:18173 days 23 hrs ago0xd696ff70a96c337fea643120e29d4296f4d2420c IN  0xffafff7686f2d7cc0e4727c5d30bd37b05708a1c0 BNB0.00044046
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0x12623c429e0a1977b20127efde2770f7423d454c3892827e68a1adad988de88a23683852020-11-19 9:42:22310 days 23 hrs ago 0x9ccf53df0e48d79edc245d0545126b5af91056fa  Contract Creation0 BNB
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Contract Source Code Verified (Exact Match)

Contract Name:
MatatakiPeggedToken

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at BscScan.com on 2020-11-19
*/

// Dependency file: @openzeppelin/contracts/GSN/Context.sol

// pragma solidity ^0.6.0;

/*
 * @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.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address payable) {
        return msg.sender;
    }

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


// Dependency file: @openzeppelin/contracts/token/ERC20/IERC20.sol

// pragma solidity ^0.6.0;

/**
 * @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);
}


// Dependency file: @openzeppelin/contracts/math/SafeMath.sol

// pragma solidity ^0.6.0;

/**
 * @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.
     */
    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.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        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.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}


// Dependency file: @openzeppelin/contracts/utils/Address.sol

// pragma solidity ^0.6.2;

/**
 * @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 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].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return _functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        return _functionCallWithValue(target, data, value, errorMessage);
    }

    function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}


// Dependency file: @openzeppelin/contracts/token/ERC20/ERC20.sol

// pragma solidity ^0.6.0;

// import "@openzeppelin/contracts/GSN/Context.sol";
// import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
// import "@openzeppelin/contracts/math/SafeMath.sol";
// import "@openzeppelin/contracts/utils/Address.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 guidelines: functions revert instead
 * of 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 {
    using SafeMath for uint256;
    using Address for address;

    mapping (address => uint256) private _balances;

    mapping (address => mapping (address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;
    uint8 private _decimals;

    /**
     * @dev Sets the values for {name} and {symbol}, initializes {decimals} with
     * a default value of 18.
     *
     * To select a different value for {decimals}, use {_setupDecimals}.
     *
     * All three of these values are immutable: they can only be set once during
     * construction.
     */
    constructor (string memory name, string memory symbol) public {
        _name = name;
        _symbol = symbol;
        _decimals = 18;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view 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 {_setupDecimals} is
     * called.
     *
     * 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 returns (uint8) {
        return _decimals;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view 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);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        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].add(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) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    /**
     * @dev Moves tokens `amount` from `sender` to `recipient`.
     *
     * This is 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);

        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(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
     *
     * - `to` 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 = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(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);

        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
     *
     * This is 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 Sets {decimals} to a value other than the default one of 18.
     *
     * WARNING: This function should only be called from the constructor. Most
     * applications that interact with token contracts will not expect
     * {decimals} to ever change, and may work incorrectly if it does.
     */
    function _setupDecimals(uint8 decimals_) internal {
        _decimals = decimals_;
    }

    /**
     * @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 to 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 { }
}


// Dependency file: src/ERC20WithPermit.sol

// pragma solidity >=0.4.21 <0.7.0;
// import "@openzeppelin/contracts/token/ERC20/ERC20.sol";

interface IERC20Permit {
    function DOMAIN_SEPARATOR() external view returns (bytes32);

    function PERMIT_TYPEHASH() external pure returns (bytes32);

    function nonces(address owner) external view returns (uint256);

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;
}

contract ERC20WithPermit is ERC20, IERC20Permit {
    bytes32 public override DOMAIN_SEPARATOR;
    // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
    bytes32
        public constant
        override PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;
    mapping(address => uint256) public override nonces;

    constructor(string memory _name, string memory _symbol)
        public
        ERC20(_name, _symbol)
    {
        uint256 _chainId;
        assembly {
            _chainId := chainid()
        }
        DOMAIN_SEPARATOR = keccak256(
            abi.encode(
                keccak256(
                    "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
                ),
                keccak256(bytes(_name)),
                keccak256(bytes("1")),
                _chainId,
                address(this)
            )
        );
    }

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external override {
        require(deadline >= block.timestamp, "ERC20::Permit: EXPIRED");
        bytes32 digest = keccak256(
            abi.encodePacked(
                "\x19\x01",
                DOMAIN_SEPARATOR,
                keccak256(
                    abi.encode(
                        PERMIT_TYPEHASH,
                        owner,
                        spender,
                        value,
                        nonces[owner]++,
                        deadline
                    )
                )
            )
        );
        address recoveredAddress = ecrecover(digest, v, r, s);
        require(
            recoveredAddress != address(0) && recoveredAddress == owner,
            "ERC20::Permit: INVALID_SIGNATURE"
        );
        _approve(owner, spender, value);
    }
}


// Dependency file: src/AddressRegistry.sol

// pragma solidity >=0.4.21 <0.7.0;

interface IMatatakiAddressRegistry {
    function isAdmin(address) external returns (bool);
    function isInBlacklist(address) external returns (bool);
}

contract MatatakiAddressRegistry {
    mapping(address => bool) public isAdmin;
    mapping(address => bool) public isInBlacklist;
    event Enlist(
        address indexed operator,
        uint256 indexed datetime,
        address[] list
    );
    event Delist(
        address indexed operator,
        uint256 indexed datetime,
        address[] list
    );
    event HandoverAdmin(address from, address to);

    constructor() public {
        isAdmin[msg.sender] = true;
    }

    modifier onlyAdmins() {
        require(isAdmin[msg.sender], "You're not the admin");
        _;
    }

    function handoverPermission(address to) public onlyAdmins {
        isAdmin[to] = true;
        isAdmin[msg.sender] = false;
        emit HandoverAdmin(msg.sender, to);
    }

    function revoke(address who) public onlyAdmins {
        isAdmin[who] = false;
    }

    function setAdmin(address _new) public onlyAdmins {
        isAdmin[_new] = true;
    }

    function enlistPeoples(address[] memory list) public onlyAdmins {
        for (uint8 i = 0; i < list.length; i++) {
            address who = list[i];
            isInBlacklist[who] = true;
        }
        emit Enlist(msg.sender, block.timestamp, list);
    }

    function delistPeoples(address[] memory list) public onlyAdmins {
        for (uint8 i = 0; i < list.length; i++) {
            address who = list[i];
            isInBlacklist[who] = false;
        }
        emit Delist(msg.sender, block.timestamp, list);
    }
}


// Dependency file: @openzeppelin/contracts/access/Ownable.sol

// pragma solidity ^0.6.0;

// import "@openzeppelin/contracts/GSN/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.
 */
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 () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view 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 {
        emit OwnershipTransferred(_owner, address(0));
        _owner = 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");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}


// Root file: src/MatatakiPeggedToken.sol

pragma solidity >=0.4.21 <0.7.0;

// import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
// import "src/ERC20WithPermit.sol";
// import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
// import "src/AddressRegistry.sol";
// import "@openzeppelin/contracts/access/Ownable.sol";

/**
 * 
  __  __       _        _        _    _   _____                          _   _______    _                          
 |  \/  |     | |      | |      | |  (_) |  __ \                        | | |__   __|  | |                         
 | \  / | __ _| |_ __ _| |_ __ _| | ___  | |__) |__  __ _  __ _  ___  __| |    | | ___ | | _____ _ __              
 | |\/| |/ _` | __/ _` | __/ _` | |/ / | |  ___/ _ \/ _` |/ _` |/ _ \/ _` |    | |/ _ \| |/ / _ \ '_ \             
 | |  | | (_| | || (_| | || (_| |   <| | | |  |  __/ (_| | (_| |  __/ (_| |    | | (_) |   <  __/ | | |            
 |_|  |_|\__,_|\__\__,_|\__\__,_|_|\_\_| |_|   \___|\__, |\__, |\___|\__,_|    |_|\___/|_|\_\___|_| |_|            
                                                     __/ | __/ |                                                   
   ____          ____  _                            |___/_|___/                   _      _____ _           _       
  / __ \        |  _ \(_)                             / ____|                    | |    / ____| |         (_)      
 | |  | |_ __   | |_) |_ _ __   __ _ _ __   ___ ___  | (___  _ __ ___   __ _ _ __| |_  | |    | |__   __ _ _ _ __  
 | |  | | '_ \  |  _ <| | '_ \ / _` | '_ \ / __/ _ \  \___ \| '_ ` _ \ / _` | '__| __| | |    | '_ \ / _` | | '_ \ 
 | |__| | | | | | |_) | | | | | (_| | | | | (_|  __/  ____) | | | | | | (_| | |  | |_  | |____| | | | (_| | | | | |
  \____/|_| |_| |____/|_|_| |_|\__,_|_| |_|\___\___| |_____/|_| |_| |_|\__,_|_|   \__|  \_____|_| |_|\__,_|_|_| |_|
- Check out www.matataki.io for more detail
 */
contract MatatakiPeggedToken is ERC20WithPermit {
    address public factory;
    // A Contract that manage blacklist
    address public addressRegistry;

    constructor(string memory _name, string memory _symbol)
        public
        ERC20WithPermit(_name, _symbol)
    {
        factory = msg.sender;
    }

    modifier adminOnly() {
        require(
            IMatatakiAddressRegistry(addressRegistry).isAdmin(msg.sender),
            "MatatakiPeggedToken::ADMIN_ONLY: Matataki Admin only action "
        );
        _;
    }

    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, amount);

        bool isFromBanned = IMatatakiAddressRegistry(addressRegistry).isInBlacklist(
            from
        );
        bool isToBanned = IMatatakiAddressRegistry(addressRegistry).isInBlacklist(to);
        require(
            !isFromBanned,
            "MatatakiPeggedToken::FROM_IN_BLACKLIST: The from wallet was banned. Please contact Matataki Team ASAP."
        );
        require(
            !isToBanned,
            "MatatakiPeggedToken::TO_IN_BLACKLIST: The to wallet was banned. Please contact Matataki Team ASAP."
        );
    }

    function operatorSend(
        address from,
        address to,
        uint256 value
    ) public adminOnly {
        // We run this service, we have the right as a operator
        _transfer(from, to, value);
    }

    function mint(address account, uint256 amount) public adminOnly {
        // New Token coming in this world
        _mint(account, amount);
    }

    function burn(address account, uint256 amount) public adminOnly {
        // Token getting out to another world
        _burn(account, amount);
    }

    function initialize(address _newaddressRegistry, uint8 _decimals) public {
        require(
            addressRegistry == address(0),
            "MatatakiPeggedToken::INIT_BL: Blacklist Manager is existed already"
        );
        require(
            _newaddressRegistry != address(0),
            "MatatakiPeggedToken::INIT_BL: New Blacklist Manager can not be ZERO"
        );
        addressRegistry = _newaddressRegistry;
        _setupDecimals(_decimals);
    }

    function updateTheBlacklistMgr(address _newaddressRegistry) public {
        require(
            addressRegistry != address(0) && addressRegistry == msg.sender,
            "MatatakiPeggedToken::MUST_BE_BL_MGR: You must be the manager to update"
        );
        addressRegistry = _newaddressRegistry;
    }
}

interface IMatatakiPeggedTokenFactory {
    function computeAddress(string calldata _name, string calldata _symbol)
        external
        view
        returns (address predictedAddress);

    function newAPeggedToken(
        string calldata _name,
        string calldata _symbol,
        uint8 _decimals
    ) external;

    function tokenCreationCode() external view returns (bytes memory);
}

contract MatatakiPeggedTokenFactory is Ownable, IMatatakiPeggedTokenFactory {
    address public addressRegistry;
    address[] public allPeggedTokens;
    mapping(string => address) public symbolToAddress;
    bytes32 constant salt = keccak256("Matataki Pegged Token");

    event NewPeggedToken(
        string indexed name,
        string indexed symbol,
        address tokenAddress
    );

    constructor(address registry) public {
        addressRegistry = registry;
    }

    function computeCreationCodeWithArgs(
        string memory _name,
        string memory _symbol
    ) public view returns (bytes memory result) {
        result = abi.encodePacked(
            tokenCreationCode(),
            abi.encode(_name, _symbol)
        );
    }

    function computeAddress(string memory _name, string memory _symbol)
        public
        override
        view
        returns (address predictedAddress)
    {
        /// This complicated expression just tells you how the address
        /// can be pre-computed. It is just there for illustration.
        /// You actually only need ``new D{salt: salt}(arg)``.
        predictedAddress = address(
            uint256(
                keccak256(
                    abi.encodePacked(
                        hex"ff",
                        address(this),
                        salt,
                        keccak256(computeCreationCodeWithArgs(_name, _symbol))
                    )
                )
            )
        );
    }

    function newAPeggedToken(
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) public override onlyOwner() {
        require(symbolToAddress[_symbol] == address(0), "Token have been created on this factory");
        MatatakiPeggedToken _token = new MatatakiPeggedToken{salt: salt}(
            _name,
            _symbol
        );
        _token.initialize(addressRegistry, _decimals);
        symbolToAddress[_symbol] = address(_token);
        allPeggedTokens.push(address(_token));
        emit NewPeggedToken(_name, _symbol, address(_token));
    }

    function tokenCreationCode() public override view returns (bytes memory) {
        return type(MatatakiPeggedToken).creationCode;
    }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"}],"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":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PERMIT_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"addressRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"factory","outputs":[{"internalType":"address","name":"","type":"address"}],"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":[{"internalType":"address","name":"_newaddressRegistry","type":"address"},{"internalType":"uint8","name":"_decimals","type":"uint8"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"operatorSend","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","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":"_newaddressRegistry","type":"address"}],"name":"updateTheBlacklistMgr","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000009e5b29be5b29be5b8810000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000344414f0000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _name (string): 岛岛币
Arg [1] : _symbol (string): DAO

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000009
Arg [3] : e5b29be5b29be5b8810000000000000000000000000000000000000000000000
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [5] : 44414f0000000000000000000000000000000000000000000000000000000000


Deployed ByteCode Sourcemap

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Swarm Source

ipfs://2ffd0df7212aa69ec3a3306c26c49cfbe8d2aea55834268194b30eeda51ad445
Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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