Contract 0x593d93f2c32B2D9E22f77a7274224Fd4a87F106D 7

 
Txn Hash Method
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Value [Txn Fee]
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0x610559bda0d2c755087fc567fd3ba1a617c2b1682ba8df09aad7e1a4490d9d15Approve843322612023-04-26 1:43:54312 days 14 hrs ago0x34f3da42731ef6da1dc9c241dd2968f56ed89ca6 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00006354 0.1
0xc5581d78bed3d5592fd8b6cb5746f0ef5bfe1b68b84ee5e3bc0f218045141e95Approve804022212023-04-14 15:11:47324 days 1 hr ago0x34f3da42731ef6da1dc9c241dd2968f56ed89ca6 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00004908 0.1
0x4c61471ef5f18b12a6017cdb7b73566f08320117a8d016061cd93d86e2add5f3Approve789299822023-04-10 7:49:13328 days 8 hrs ago0x0aa921cff845cf833563ab6963323d345ad6217e IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.000039410.1
0xf596976c81baeeb2197f872473210a071bf350bc4aa226dba249e96000cb0a5bApprove776436922023-04-06 13:05:41332 days 3 hrs ago0xec06c7c24db2a117f15c3ee831338637ae58316a IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.000054990.1
0x43a59e5dca2003ac9f84a92762fb9fab577402c719eabab50df2f62d95a0349aApprove748541992023-03-29 9:00:51340 days 7 hrs ago0x34f3da42731ef6da1dc9c241dd2968f56ed89ca6 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00007505 0.1
0x20dfed3c691a9e4db355e1cb5ce8f59d589ec750d44495978e6dc51b603a8e7aApprove747003612023-03-28 22:07:25340 days 18 hrs ago0x34f3da42731ef6da1dc9c241dd2968f56ed89ca6 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00005853 0.1
0x46401cc381bc76fc395aa845c10c0dfb3ed3eff1e251bb84113a51951c41402aApprove743652462023-03-27 22:44:54341 days 17 hrs ago0xa570f098cbc872819ff3474c74c2a92fbb448417 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00005317 0.1
0x7d2437d39b1bdd85636bce5ed49242a32ff10d4f95b39030d573df6b10cc56a5Approve742913232023-03-27 17:33:57341 days 23 hrs ago0x34f3da42731ef6da1dc9c241dd2968f56ed89ca6 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00006613 0.1
0x6763a207a7888bd784e35b3c564e36e728689a322a4ec00f14c30b3e41c90cb7Approve738511342023-03-26 11:09:30343 days 5 hrs ago0x34f3da42731ef6da1dc9c241dd2968f56ed89ca6 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.0000313 0.1
0x5a7a6103ae02862eb81cd9ac4345ebf112339d4880ff6a12b6d70c2bcc9c5e64Approve736870212023-03-25 23:38:50343 days 16 hrs ago0xa570f098cbc872819ff3474c74c2a92fbb448417 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00003072 0.1
0xf633e4156838c77277cf3e51f65c66007d504f6916198d48ee9ddca07a5f36c6Approve735054492023-03-25 11:01:01344 days 5 hrs ago0x9822c731b38009a05384ffd757c854f71ce751f9 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.000031770.1
0xa47b2c3bff49d75ba430e82e02109712db3e9076ad6331df7e2abea2b8f5ccc9Approve734103062023-03-25 4:26:56344 days 12 hrs ago0x2eae2006102119ef3636bcc4c617db086dcbbde9 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00003331 0.1
0x2944b2b440eff64a7c3ec21feb137c13a4712b448da1972d139689b958c432abApprove733587322023-03-25 0:53:02344 days 15 hrs ago0x93dbe896d0a33e1a989f0f8f0934ec6146dab532 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00003807 0.1
0x0158903dbe07c0949ea35cf314bb5d2b8b19caf994af4443698cd75820435affTransfer731535522023-03-24 10:49:28345 days 5 hrs ago0xe47c642df4f3bc5da54598ce7dd71a2ee1ab7e47 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00003836 0.1
0x8cf776b4847e5ab8121fae1c0a43dd3cb2fe7985c8e9203ef7c7481a85f0d7abTransfer731532562023-03-24 10:48:14345 days 5 hrs ago0xe47c642df4f3bc5da54598ce7dd71a2ee1ab7e47 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00003712 0.1
0xcc54170bd540fe4f7450a1bae9a7dfe238dfdb043fbfd7debbd6aa9947c9b05cApprove731514382023-03-24 10:40:48345 days 5 hrs ago0xc44782854ce0386059024dd1870de38d17e55111 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.0000442 0.1
0xb254bcfa2d6ce783067b556f43fb7cf76a0335e7e23975bed83c12d0e72b69efApprove731511622023-03-24 10:39:39345 days 5 hrs ago0x300d52b6dd772dfa34fe8853627395c7c3a7963a IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00004442 0.1
0x5e189f2bd2fe26f5fab584dcea0aea3fcbe6798adcf512d39e571dbcb6b2f1a1Approve731370692023-03-24 9:41:42345 days 6 hrs ago0x74bbf8b197ec212229822e65a4069b69eb8f10f3 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00004319 0.1
0xf266982603b554755ba15f6327fd30408f70a99e82472e5ea5a7eb4766882b4cApprove731367952023-03-24 9:40:33345 days 6 hrs ago0x74bbf8b197ec212229822e65a4069b69eb8f10f3 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00004319 0.1
0xb604f4231b2c023a6d5fb022e0b87b173bfb2a636f31fde6be5cb22f9bf333a9Approve731051902023-03-24 7:30:22345 days 9 hrs ago0x34f3da42731ef6da1dc9c241dd2968f56ed89ca6 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00003058 0.1
0xba218383142bed93878eb96bf0b93af625b31a2c3a5a4665702bd7a11587e772Approve730216972023-03-24 1:48:33345 days 14 hrs ago0x011a62dc7a6c2969a764ec1acd67081029100d57 IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00003148 0.1
0xcace37d315a23fc29607dc8b56eec6682dd6e8076e3b4cf6c7d8e50f9011f7b6Transfer729460142023-03-23 20:41:47345 days 19 hrs ago0xcc1a1e1c9ec7d40f67de93a7914625c57ddf814b IN  0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH0.00004574 0.1
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Latest 25 internal transaction
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0x0df7406d605022c5942e7ebb87c9a42af3e43e0996a8a7e7819d806243a6e481720816562023-03-21 9:58:06348 days 6 hrs ago Zyberswap: Router 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x0df7406d605022c5942e7ebb87c9a42af3e43e0996a8a7e7819d806243a6e481720816562023-03-21 9:58:06348 days 6 hrs ago 0x1a32cfaa998bef02c00de65d6fd764aeae39e9d2 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x0df7406d605022c5942e7ebb87c9a42af3e43e0996a8a7e7819d806243a6e481720816562023-03-21 9:58:06348 days 6 hrs ago Zyberswap: Router 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x0df7406d605022c5942e7ebb87c9a42af3e43e0996a8a7e7819d806243a6e481720816562023-03-21 9:58:06348 days 6 hrs ago 0x35e74c4b1c76fab036dcc3d8761ee3282106a128 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x0df7406d605022c5942e7ebb87c9a42af3e43e0996a8a7e7819d806243a6e481720816562023-03-21 9:58:06348 days 6 hrs ago 0x35e74c4b1c76fab036dcc3d8761ee3282106a128 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x986d00cf88f00076a8fcae0e11976f60721d4fb83e39f5cb274bcc366c3fbefc720815102023-03-21 9:57:29348 days 6 hrs ago 0xb9e0a95a1c08404f2e6f2f474a075d8207f8e85b 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x31d6b285e3e05917e77d7d34d58bac15e35db1792d199007feda05ba34f45998720800432023-03-21 9:51:28348 days 6 hrs ago 0x0711c9f411ffc4fe331256e83ee8c910a997a16a 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x31d6b285e3e05917e77d7d34d58bac15e35db1792d199007feda05ba34f45998720800432023-03-21 9:51:28348 days 6 hrs ago 0x0711c9f411ffc4fe331256e83ee8c910a997a16a 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x215d3827af75c31545be00ca4db51a0c53a02f55c4e31f9dac522c6d5a20528e720790322023-03-21 9:47:14348 days 6 hrs ago 0xb9e0a95a1c08404f2e6f2f474a075d8207f8e85b 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x6798ab1c87bf977668df7d0998e5be69d57be164b05190f043f5ccd6dedc6aed720779492023-03-21 9:42:49348 days 6 hrs ago 0x1a32cfaa998bef02c00de65d6fd764aeae39e9d2 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x6798ab1c87bf977668df7d0998e5be69d57be164b05190f043f5ccd6dedc6aed720779492023-03-21 9:42:49348 days 6 hrs ago Zyberswap: Router 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x6798ab1c87bf977668df7d0998e5be69d57be164b05190f043f5ccd6dedc6aed720779492023-03-21 9:42:49348 days 6 hrs ago 0x1a32cfaa998bef02c00de65d6fd764aeae39e9d2 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x6798ab1c87bf977668df7d0998e5be69d57be164b05190f043f5ccd6dedc6aed720779492023-03-21 9:42:49348 days 6 hrs ago 0x1a32cfaa998bef02c00de65d6fd764aeae39e9d2 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x6798ab1c87bf977668df7d0998e5be69d57be164b05190f043f5ccd6dedc6aed720779492023-03-21 9:42:49348 days 6 hrs ago 0x35e74c4b1c76fab036dcc3d8761ee3282106a128 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0xbfb570699ee9a033312a9df5c44070273c63703df7eb2b4c60541db36b2b5f00720775262023-03-21 9:41:03348 days 6 hrs ago Paraswap v5: Augustus Swapper 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0xbfb570699ee9a033312a9df5c44070273c63703df7eb2b4c60541db36b2b5f00720775262023-03-21 9:41:03348 days 6 hrs ago Paraswap v5: Fee Claimer 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0xbfb570699ee9a033312a9df5c44070273c63703df7eb2b4c60541db36b2b5f00720775262023-03-21 9:41:03348 days 6 hrs ago Paraswap v5: Augustus Swapper 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0xbfb570699ee9a033312a9df5c44070273c63703df7eb2b4c60541db36b2b5f00720775262023-03-21 9:41:03348 days 6 hrs ago Paraswap v5: Augustus Swapper 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0xbfb570699ee9a033312a9df5c44070273c63703df7eb2b4c60541db36b2b5f00720775262023-03-21 9:41:03348 days 6 hrs ago 0x1a32cfaa998bef02c00de65d6fd764aeae39e9d2 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0xbfb570699ee9a033312a9df5c44070273c63703df7eb2b4c60541db36b2b5f00720775262023-03-21 9:41:03348 days 6 hrs ago 0x1a32cfaa998bef02c00de65d6fd764aeae39e9d2 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x0b03bb7f5e525fada2652981ef7827fc3513f6847b4b2afceba8e078e790de51720773542023-03-21 9:40:20348 days 6 hrs ago 0x1a32cfaa998bef02c00de65d6fd764aeae39e9d2 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x0b03bb7f5e525fada2652981ef7827fc3513f6847b4b2afceba8e078e790de51720773542023-03-21 9:40:20348 days 6 hrs ago Zyberswap: Router 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x0b03bb7f5e525fada2652981ef7827fc3513f6847b4b2afceba8e078e790de51720773542023-03-21 9:40:20348 days 6 hrs ago 0x1a32cfaa998bef02c00de65d6fd764aeae39e9d2 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
0x0b03bb7f5e525fada2652981ef7827fc3513f6847b4b2afceba8e078e790de51720773542023-03-21 9:40:20348 days 6 hrs ago Zyberswap: Router 0x593d93f2c32b2d9e22f77a7274224fd4a87f106d0 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
Dollar

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 Arbiscan.io on 2023-03-14
*/

// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

/*
 * @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;
    }
}

/**
 * @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
    );
}

/**
 * @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, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b)
        internal
        pure
        returns (bool, uint256)
    {
        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)
    {
        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)
    {
        // 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)
    {
        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)
    {
        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) {
        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) {
        require(b <= a, "SafeMath: subtraction overflow");
        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) {
        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, reverting 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) {
        require(b > 0, "SafeMath: division by zero");
        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) {
        require(b > 0, "SafeMath: modulo by zero");
        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) {
        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.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * 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);
        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) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

/**
 * @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;

    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 virtual returns (string memory) {
        return _name;
    }

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

    /**
     * @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);
        _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 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 virtual {
        _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 {}
}

/**
 * @dev Extension of {ERC20} that allows token holders to destroy both their own
 * tokens and those that they have an allowance for, in a way that can be
 * recognized off-chain (via event analysis).
 */
abstract contract ERC20Burnable is Context, ERC20 {
    using SafeMath for uint256;

    /**
     * @dev Destroys `amount` tokens from the caller.
     *
     * See {ERC20-_burn}.
     */
    function burn(uint256 amount) public virtual {
        _burn(_msgSender(), amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, deducting from the caller's
     * allowance.
     *
     * See {ERC20-_burn} and {ERC20-allowance}.
     *
     * Requirements:
     *
     * - the caller must have allowance for ``accounts``'s tokens of at least
     * `amount`.
     */
    function burnFrom(address account, uint256 amount) public virtual {
        uint256 decreasedAllowance = allowance(account, _msgSender()).sub(
            amount,
            "ERC20: burn amount exceeds allowance"
        );

        _approve(account, _msgSender(), decreasedAllowance);
        _burn(account, amount);
    }
}

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a >= b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow, so we distribute
        return (a / 2) + (b / 2) + (((a % 2) + (b % 2)) / 2);
    }
}

/**
 * @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() internal {
        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;
    }
}

contract Operator is Context, Ownable {
    address private _operator;

    event OperatorTransferred(
        address indexed previousOperator,
        address indexed newOperator
    );

    constructor() internal {
        _operator = _msgSender();
        emit OperatorTransferred(address(0), _operator);
    }

    function operator() public view returns (address) {
        return _operator;
    }

    modifier onlyOperator() {
        require(
            _operator == msg.sender,
            "operator: caller is not the operator"
        );
        _;
    }

    function isOperator() public view returns (bool) {
        return _msgSender() == _operator;
    }

    function transferOperator(address newOperator_) public onlyOwner {
        _transferOperator(newOperator_);
    }

    function _transferOperator(address newOperator_) internal {
        require(
            newOperator_ != address(0),
            "operator: zero address given for new operator"
        );
        emit OperatorTransferred(address(0), newOperator_);
        _operator = newOperator_;
    }
}

interface IOracle {
    function update() external;

    function consult(address _token, uint256 _amountIn)
        external
        view
        returns (uint144 amountOut);

    function twap(address _token, uint256 _amountIn)
        external
        view
        returns (uint144 _amountOut);

    function getPegPrice() external view returns (int256);

    function getPegPriceUpdated() external view returns (int256);
}

//  Finance
contract Dollar is ERC20Burnable, Operator {
    using SafeMath for uint256;

    // Supply used to launch in LP
    uint256 public constant INITIAL_LAUNCH_DISTRIBUTION = 20000 ether; // 20000 of tokens
    uint256 public constant ESCONVERT_POOL_ALLOCATION = 180000 ether;// 180000 of tokens
    uint256 private totalBurned_;
    // Have the rewards been distributed to the pools
    bool public rewardPoolDistributed = false;

    /**
     * @notice Constructs the Token ERC-20 contract.
     */
    constructor() public ERC20("FINX", "Finext.Finance") {
        _mint(msg.sender, 1 ether);
    }

    /**
     * @notice Operator mints Token to a recipient
     * @param recipient_ The address of recipient
     * @param amount_ The amount of Token to mint to
     * @return whether the process has been done
     */
    function mint(address recipient_, uint256 amount_)
        public
        onlyOperator
        returns (bool)
    {
        uint256 balanceBefore = balanceOf(recipient_);
        _mint(recipient_, amount_);
        uint256 balanceAfter = balanceOf(recipient_);

        return balanceAfter > balanceBefore;
    }
    
    function burn(uint256 amount) public override {
        super.burn(amount);
    }
    function totalBurned() external view returns (uint256) {
        return totalBurned_;
    }

    function _burn(address _account, uint256 _amount) internal override {
        super._burn(_account, _amount);
        totalBurned_ = totalBurned_.add(_amount);
    }
    /**
     * @notice distribute to reward pool (only once)
     */
    function distributeReward(address _launcherAddress, address _convertPoolAddress) external onlyOperator {
        require(!rewardPoolDistributed, "only can distribute once");
        require(_launcherAddress != address(0) && _convertPoolAddress!=address(0), "!_farmingIncentiveFund");

        rewardPoolDistributed = true;
        _mint(_launcherAddress, INITIAL_LAUNCH_DISTRIBUTION);
        _mint(_convertPoolAddress, ESCONVERT_POOL_ALLOCATION);
    }
   
    function governanceRecoverUnsupported(
        IERC20 _token,
        uint256 _amount,
        address _to
    ) external onlyOperator {
        _token.transfer(_to, _amount);
    }
}

Contract ABI

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IERC20","name":"_token","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_to","type":"address"}],"name":"governanceRecoverUnsupported","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isOperator","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient_","type":"address"},{"internalType":"uint256","name":"amount_","type":"uint256"}],"name":"mint","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"operator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rewardPoolDistributed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalBurned","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"newOperator_","type":"address"}],"name":"transferOperator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Metadata Hash

070d76c109d3fcc82a2469ac6ea35c4cd22504dd4d4ba7da7fc3136a5f8827b2
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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