Contract 0x29CeDDCF0Da3c1D8068a7DFbD0FB06c2E438FF70

 
 
Txn Hash
Method
Block
From
To
Value
0x492d6d5a75b969e47dbb6d7116fa2695c365e82b3760c617fc1d417a9487ece3Approve153151042022-08-10 15:21:399 hrs 10 mins ago0x0502edf91636645fb09f71d3cd421b05f75bc016 IN  Freela: FREL Token0 Ether0.00294381 63.07319396
0x0d26d3be7a7f484b5a885ccf7e546291a7cf9f271872d6e24bc9b34905f34b10Approve153036552022-08-08 20:15:252 days 4 hrs ago0xa7442537e5237d4ef6fa5b48bc3981528d2840dd IN  Freela: FREL Token0 Ether0.00118775 25.44837657
0xf5d052713c74119f715165fedea14faf21d1e869f547e537c9073b7ed5906b6fTransfer153022642022-08-08 15:07:002 days 9 hrs ago0x4240781a9ebdb2eb14a183466e8820978b7da4e2 IN  Freela: FREL Token0 Ether0.0018087134.96854961
0xefe0ff9c658be5fdfa673f74726a999d1f08c923aec2a5f53948dd07b9a99d69Transfer153018132022-08-08 13:24:242 days 11 hrs ago0xa09880917e5c22fbaa747506b4aa45ebe22fcb2b IN  Freela: FREL Token0 Ether0.0004682115.69301236
0x4a87c015f1157a68001bb6c56a79d3995b3310e3260083c7010fb7b1871831acTransfer153015652022-08-08 12:29:002 days 12 hrs ago0xa09880917e5c22fbaa747506b4aa45ebe22fcb2b IN  Freela: FREL Token0 Ether0.0008489928.44403235
0x47d9a48012ffb7aa7570401f34ec6d18ebe54db87002f762691ff915ed0b9e70Approve152719412022-08-03 21:41:597 days 2 hrs ago0x8594d8e9483473626908648a5539d9d65ca2fe8d IN  Freela: FREL Token0 Ether0.00098379 21.19845698
0x615a034da343484d7afcb302e2c4cbd6e4e3c9eec6e781b01fd9ab23ac2affe5Approve152695092022-08-03 12:38:077 days 11 hrs ago0x8594d8e9483473626908648a5539d9d65ca2fe8d IN  Freela: FREL Token0 Ether0.00039987 8.6141079
0x5d84a019969f27c05aa11d2b70de83afa27da86297eb3f06c6d1a8bef2af7459Approve152695032022-08-03 12:37:077 days 11 hrs ago0x88f859db067c45b114897db6920f3e4a61a5ca66 IN  Freela: FREL Token0 Ether0.00060358 13.00910952
0x3a9055f32db04786c3e66adff0ec79d2d73d7c0a945ca9dced5eb68c52ad61eaApprove152694852022-08-03 12:33:397 days 11 hrs ago0x8594d8e9483473626908648a5539d9d65ca2fe8d IN  Freela: FREL Token0 Ether0.00050441 10.8661384
0xf62cad8d8034b0b8f3b7f2ac79726be7179762586f11c967e0e7ba390b866bb3Approve152694822022-08-03 12:32:577 days 11 hrs ago0x8176d7b793a73626880bc43dfd9a9f97d338ca88 IN  Freela: FREL Token0 Ether0.00183733 39.3661384
0x1f5f3adfd11fe16d317eff116b8c87e871f755c5025dc9900d7795dae8f3e9bfApprove152657942022-08-02 22:28:218 days 2 hrs ago0x8594d8e9483473626908648a5539d9d65ca2fe8d IN  Freela: FREL Token0 Ether0.00056088 12.01728145
0x642421260d655c1d603d5d611b73ba79a697e31c71ba4d4c62f3a917c29f6dc7Approve151564302022-07-16 22:29:3625 days 2 hrs ago0x88f859db067c45b114897db6920f3e4a61a5ca66 IN  Freela: FREL Token0 Ether0.00066817 14.31602895
0x1c8447e547b065b2edfd010fdb78cc16fb764bfca474656eb49d9a45e213592fApprove151117472022-07-10 0:53:0931 days 23 hrs ago0x8c254640d1b9d27bf58bf6f6878d1c2647b4e5e7 IN  Freela: FREL Token0 Ether0.0007467616
0xfcadb9885b9229bb59c4539b141f08eace1f241ff547896dc7a4d2a446d6ab0aApprove150547452022-07-01 5:31:1940 days 19 hrs ago0x7b8f534a30df5416d50fb25cef72238ee8bb6427 IN  Freela: FREL Token0 Ether0.00098397 21.08227378
0x4507a70fb9dec21b28f4064e2cbae67fd3871a10885f2c2f754c9a0dac7cc704Approve149703982022-06-16 0:23:2156 days 8 mins ago0xd54e4f8a55247487dd7c8c59f14ee5c0c2889477 IN  Freela: FREL Token0 Ether0.00139029 29.78788782
0x00d7b3cf6fda015bd65741a74e8591c0aae02ba5807c6815e8e25ce1cb48ec88Approve149703982022-06-16 0:23:2156 days 8 mins ago0xd54e4f8a55247487dd7c8c59f14ee5c0c2889477 IN  Freela: FREL Token0 Ether0.00139029 29.78788782
0x703bed52fe11c83a11ad52da5f9e5bd994af5457200a44583a753ad3f8ccb625Transfer149684672022-06-15 16:28:3756 days 8 hrs ago0x51170cf82f4aa4d0e47b741964ae9b6b6f536495 IN  Freela: FREL Token0 Ether0.00326728 69.66498934
0xfe56d95258b1727a02f37a22f78b001d1971ecfa1c60b69490ea5ba55b7df594Transfer149684502022-06-15 16:24:2056 days 8 hrs ago0x51170cf82f4aa4d0e47b741964ae9b6b6f536495 IN  Freela: FREL Token0 Ether0.0037838 73.28968792
0x8cfa9f0f1fb5999fe22716c361d9bfafbbb7571a16f01c3e71ca2d19831458caTransfer149642082022-06-14 22:32:3357 days 1 hr ago0x227a2c0aa691ce32055fcd722e12f15ae3004b1a IN  Freela: FREL Token0 Ether0.0011288524.06940474
0x9c1c845d81b2e9eeaf4d511b2b5566cb567328653a1151c78b6e5a2275941520Transfer149550362022-06-13 8:35:3958 days 15 hrs ago0xe82b8c11a2eb9c09960b6ea1a31d86b18884835d IN  Freela: FREL Token0 Ether0.00354724118.8436616
0x8e1040a466d94db37f3775a7b69efa9690779cb96613fdd07412752c9196e380Transfer148479332022-05-26 12:23:4476 days 12 hrs ago0xf2470812d8b42ea34d12adc5bd4a170dbdddd32e IN  Freela: FREL Token0 Ether0.001017534.10333926
0xb8628246b4763883e9273d24c6a27079caca06051f435fcc294570dc07108f3aTransfer148478672022-05-26 12:08:1676 days 12 hrs agoENS Name rishu.eth IN  Freela: FREL Token0 Ether0.00217131 46.26125899
0x00f174fda3a0bba6d8d3cfd43bcc3dd143cfbe83a6bbcd7a1433d7daeb1d3ce0Approve148467522022-05-26 7:37:4576 days 16 hrs ago0x127108abeea6d4c23c9843b97fadf3c99752d075 IN  Freela: FREL Token0 Ether0.00130599 27.9817237
0xf8bc6f8a12ea71170e90f2faf41fa21c70805a6d7699e6d5947edb9f0c539510Transfer148460322022-05-26 4:46:0476 days 19 hrs ago0x4240781a9ebdb2eb14a183466e8820978b7da4e2 IN  Freela: FREL Token0 Ether0.002152641.61717362
0x3a39975288dc16484779f184024c4ec6411e08d48774b120f49df1671e2ae140Approve148447442022-05-25 23:46:1977 days 45 mins ago0x92bc4d57c9ca7f74b3f08e80515855f43a03fb19 IN  Freela: FREL Token0 Ether0.00126234 27.1933371
[ Download CSV Export 

OVERVIEW

Freela is Defi powered and self–governing DAO designed to act as a never before a decentralised and broad platform for freelancing.

View more zero value Internal Transactions in Advanced View mode
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
FreelaToken

Compiler Version
v0.8.0+commit.c7dfd78e

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 12 : FreelaToken.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "./ERC20Permit.sol";

/**
 * @title Freela Token
 * @dev Freela ERC20 Token
 */
contract FreelaToken is ERC20Permit, Ownable {
    uint256 public constant MAX_CAP = 1000 * (10**6) * (10**18); // 1 billion

    address public governance;

    event RecoverToken(address indexed token, address indexed destination, uint256 indexed amount);

    modifier onlyGovernance() {
        require(msg.sender == governance, "!governance");
        _;
    }

    constructor() ERC20("FreelaToken", "FREL") {
        governance = msg.sender;
        _mint(governance, MAX_CAP);
    }

    /**
     * @notice Function to set governance contract
     * Owner is assumed to be governance
     * @param _governance Address of governance contract
     */
    function setGovernance(address _governance) public onlyGovernance {
        governance = _governance;
    }

    /**
     * @notice Function to recover funds
     * Owner is assumed to be governance or Freela trusted party for helping users
     * @param token Address of token to be rescued
     * @param destination User address
     * @param amount Amount of tokens
     */
    function recoverToken(
        address token,
        address destination,
        uint256 amount
    ) external onlyGovernance {
        require(token != destination, "Invalid address");
        require(IERC20(token).transfer(destination, amount), "Retrieve failed");
        emit RecoverToken(token, destination, amount);
    }
}

File 2 of 12 : SafeERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        // solhint-disable-next-line max-line-length
        require((value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) { // Return data is optional
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

File 3 of 12 : SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

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

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

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

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

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

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

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

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

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

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

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

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

File 4 of 12 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        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;
    }
}

File 5 of 12 : ERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin 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, IERC20Metadata {
    mapping (address => uint256) private _balances;

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

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The defaut value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor (string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

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

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5,05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

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

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        _approve(sender, _msgSender(), currentAllowance - amount);

        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        _approve(_msgSender(), spender, currentAllowance - subtractedValue);

        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);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        _balances[sender] = senderBalance - amount;
        _balances[recipient] += 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 += amount;
        _balances[account] += 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);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        _balances[account] = accountBalance - amount;
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be 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 { }
}

File 6 of 12 : IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

File 7 of 12 : ERC20Permit.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/utils/Counters.sol";
import "./IERC2612Permit.sol";

abstract contract ERC20Permit is ERC20, IERC2612Permit {
    using Counters for Counters.Counter;

    mapping(address => Counters.Counter) private _nonces;

    // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
    bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;

    bytes32 public DOMAIN_SEPARATOR;

    constructor() internal {
        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")), // Version
                chainID,
                address(this)
            )
        );
    }

    /**
     * @dev See {IERC2612Permit-permit}.
     *
     */
    function permit(
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual override {
        require(block.timestamp <= deadline, "Permit: expired deadline");

        bytes32 hashStruct =
            keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, amount, _nonces[owner].current(), deadline));

        bytes32 _hash = keccak256(abi.encodePacked(uint16(0x1901), DOMAIN_SEPARATOR, hashStruct));

        address signer = ecrecover(_hash, v, r, s);
        require(signer != address(0) && signer == owner, "ZeroSwapPermit: Invalid signature");

        _nonces[owner].increment();
        _approve(owner, spender, amount);
    }

    /**
     * @dev See {IERC2612Permit-nonces}.
     */
    function nonces(address owner) public view override returns (uint256) {
        return _nonces[owner].current();
    }
}

File 8 of 12 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

    /**
     * @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");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        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);
            }
        }
    }
}

File 9 of 12 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

File 10 of 12 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

File 11 of 12 : Counters.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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;`
 */
library Counters {
    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 {
        unchecked {
            counter._value += 1;
        }
    }

    function decrement(Counter storage counter) internal {
        uint256 value = counter._value;
        require(value > 0, "Counter: decrement overflow");
        unchecked {
            counter._value = value - 1;
        }
    }
}

File 12 of 12 : IERC2612Permit.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC2612Permit {
    /**
     * @dev Sets `amount` as the allowance of `spender` over `owner`'s tokens,
     * given `owner`'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current ERC2612 nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);
}

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

Contract Security Audit

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":true,"internalType":"address","name":"destination","type":"address"},{"indexed":true,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RecoverToken","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":"MAX_CAP","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PERMIT_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"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":[],"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":"governance","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":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","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":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"destination","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"recoverToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_governance","type":"address"}],"name":"setGovernance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
Loading
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.

A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.