Contract 0x891e4554227385c5c740f9b483e935e3cbc29f01 1

 

Contract Overview

Robust Protocol: RBT Token
Balance:
0 BNB

BNB Value:
$0.00

Token:
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x2ad5369c2154c1e1a6bfb5112f9c3e837b2b74d03906002bb5959e812188e9bfTransfer119947532021-10-22 14:09:001 hr 26 mins ago0xac4a13c95f9909cce0124b59445abc80c83b5a8d IN  Robust Protocol: RBT Token0 BNB0.000404055
0xb499f2ab61c1b55b4ae72be4249bf8d8f67ca0832cb7710c57bb25e3a69094f2Approve119925822021-10-22 12:20:113 hrs 15 mins ago0xadec75bffc64e3b70be900a017e2a5e11ba32be5 IN  Robust Protocol: RBT Token0 BNB0.000072555
0x1a8586eebfc5c833e33c2197d68633e89b3dbddcf5d9529ba623ac896f66beeaApprove119879392021-10-22 8:24:507 hrs 10 mins ago0xbced923cdf488f8d1293b6163f2efbd9b1a563de IN  Robust Protocol: RBT Token0 BNB0.00022203
0xeab861e5f9aa186d15ddc8f352c7b3920ef9185a5c7ad45910105fefb5144cdeApprove119855932021-10-22 6:22:339 hrs 12 mins ago0xc863f51d067ff1d863383c4ff44dea9b0704fef8 IN  Robust Protocol: RBT Token0 BNB0.000266436
0x96e2d0c4907717e08a0f2036af3cc809a31ac7de3abef368f57901f5176f648cApprove119846872021-10-22 5:33:1010 hrs 2 mins ago0x713b748309d1ddfb9ef2876833cf703441354c95 IN  Robust Protocol: RBT Token0 BNB0.000087066
0x15f4e53d89d55963c80851232a68af8a78df06028a1c6847c8d9c464b5a37e1dApprove119827662021-10-22 3:45:1911 hrs 50 mins ago0x4de363a2c025fdb983929e9f2ea4f65b9bedda1c IN  Robust Protocol: RBT Token0 BNB0.00022203
0x5f90cb7c9b0839cd07c3cd6d37e748e8fdb400b6886dc4cf82b62cacaac61df2Approve119743942021-10-21 20:41:5518 hrs 53 mins ago0x8405b0af61f3411403ad0f65f97b7867ffebadb9 IN  Robust Protocol: RBT Token0 BNB0.000310842
0xb4d2d361be305bdac6788a34e19391bebd49cbbba08aedf3ac0021ce766b2157Approve119732612021-10-21 19:45:1619 hrs 50 mins ago0x5d08d58fe8dcae27d1b3725bc27c185b296e2e70 IN  Robust Protocol: RBT Token0 BNB0.00022203
0x00aeb89adc839f68b0456a654b9d8e16923a05b60a6507e75acb355c027ad49bApprove119678052021-10-21 15:09:061 day 26 mins ago0x06aaa99498f2fe9e050bc199d07162afc516c0f5 IN  Robust Protocol: RBT Token0 BNB0.00022203
0xaacfebbf8c2e290c0d0a1bb1b5bbcd649cdcf158597805980d6700af7a5fc290Transfer119676372021-10-21 15:00:361 day 34 mins ago0xd4956ac67480c0b27d5107cabf34152a3b2a076c IN  Robust Protocol: RBT Token0 BNB0.000404235
0x426d54dc87eecd9a9f89f2dbf7c5f0cb3219a8cb5da1543fbf013ef75219ca2eApprove119657252021-10-21 13:16:281 day 2 hrs ago0x7b5b81f095e3d77be0c4335ea8af0b7cb7ddc007 IN  Robust Protocol: RBT Token0 BNB0.00022203
0xf70e65aad6d77a791e3d2682804275b83e835a342823f92c84ed7a8b26f798b8Approve119642502021-10-21 12:00:011 day 3 hrs ago0x9a733dcd7476b49e587573a40bef20cb8525fdab IN  Robust Protocol: RBT Token0 BNB0.00022203
0xad8f11320c64b157e06ee8197bde5edfc96fea5f22262c4b71e5cd19fe2c7b92Approve119616452021-10-21 9:47:551 day 5 hrs ago0x40b9d707edb2335a3a8406eb5a987286f9ce66b5 IN  Robust Protocol: RBT Token0 BNB0.00022203
0x705fbd4a45f495805afd0bbaa8b68459accccfedb80cdcac86dcb9cd121cc0a8Approve119485642021-10-20 22:42:171 day 16 hrs ago0x5c8ace6a002e10f5801441ead7bedca696736b16 IN  Robust Protocol: RBT Token0 BNB0.00022203
0x9c3e69e3f3df8fb157b761b0d85fa6ff472a10ad1ecc1f77deab0607299794adApprove119441072021-10-20 18:56:231 day 20 hrs ago0x6a4cf83081dbad8b4a3e3529b61b44b6d35651b7 IN  Robust Protocol: RBT Token0 BNB0.00022203
0xb25c8132b6f3d153816d40382492aa8b97b2399298d0e381e547c2ef5199e1a9Approve119439612021-10-20 18:49:051 day 20 hrs ago0xf39be425227b560d7d2ec38b6ff805c1e5be1d80 IN  Robust Protocol: RBT Token0 BNB0.00022203
0x0f87e45a3fc6297f393e9abac1aa92d7728411b60866c6538428fdd023fc7842Approve119430362021-10-20 18:02:501 day 21 hrs ago0x02100194a72da4092500a2aa153e109b45a9f134 IN  Robust Protocol: RBT Token0 BNB0.000087066
0xc7482de6196bfa77689ce19261191ea8a70c73fc9fe556cc3c42ffdd315424ffApprove119428922021-10-20 17:55:381 day 21 hrs ago0x37d8db04d96a6dd74434dc2a7b80a6a35d5ad27b IN  Robust Protocol: RBT Token0 BNB0.00022203
0x85f706c70c946014e9d73ac0749d76a6efb4b38efae949e24be7cf0106afc3a2Approve119423382021-10-20 17:27:521 day 22 hrs ago0x82d8442142867e9c3dd56e67a995e61da0df73fb IN  Robust Protocol: RBT Token0 BNB0.00022203
0xc870d8f304e107be47c91ed1dc881bf5dfd00ecd308f061f9c70bc7feee67fbcApprove119419252021-10-20 17:06:111 day 22 hrs ago0x84d9ba1f0ceb52fca9e1856215c36675b18f92fd IN  Robust Protocol: RBT Token0 BNB0.00022203
0xb9b9398871cc08f3737b50afb1b981f9733c4ad50f910dffde2522b5b204f825Approve119412802021-10-20 16:33:491 day 23 hrs ago0x732a94d93b38502249a3ba808020ad2d28384e16 IN  Robust Protocol: RBT Token0 BNB0.00022203
0x6a240a86b35b7c087de125bb67459bc58a5f5e89e096eb2df7b4c10085db8f85Transfer119409742021-10-20 16:18:301 day 23 hrs ago0x6f0b0649902683b381339fe373fa1f59b0cc39ad IN  Robust Protocol: RBT Token0 BNB0.000404235
0x0f85519068ce24f040a98f87672d3be535048323e5534d75052cd160692fec33Approve119406592021-10-20 16:02:451 day 23 hrs ago0x3ace1d92437105dd3014ab11c4977a295034d3f9 IN  Robust Protocol: RBT Token0 BNB0.00022203
0x2a386ceceb4eb6ba9d2fc80e44f711781fe2e4c577fd6d972ea41cda473444c3Approve119387452021-10-20 14:26:432 days 1 hr ago0xfc6d405351b33b72466c57b75de81cf7ca63c638 IN  Robust Protocol: RBT Token0 BNB0.000266436
0x32e4d4c54d332c812b6aced57028b578628166abf39d31b7cbc037c2c420e28dTransfer119380402021-10-20 13:51:242 days 1 hr ago0xb86efa454c89073864eca1b723e0c5c43cf42a3f IN  Robust Protocol: RBT Token0 BNB0.00102271455
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OVERVIEW

Robust Token (RBT) is an original concept token on the Binance Smart Chain with a limited supply of 100 000 RBT and a 1% burn per transaction that gets converted into Robust Reward (RBW).

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Contract Source Code Verified (Exact Match)

Contract Name:
robustToken

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at BscScan.com on 2021-04-15
*/

// SPDX-License-Identifier: MIT

/*

Robust Token (RBT)
A fixed-supply deflationary BEP20 token.

Description:

A fixed total supply of 100 000 RBT was minted at launch and
no more can ever be minted again.

There is a 1% transaction fee on every RBT transaction. This amount
is deducted from each transaction, burned, and converted into RBW.

RBT smart contract owns the RBW smart contract and creates
new RBW tokens whenever a RBT transaction occurs.

Ownership of the RBT smart contract was transferred from the
RBT Deployer to the RBT Timelock smart contract after launch.

Contract Ownership:
https://docs.robustprotocol.fi/contracts-ownership

website: https://robustprotocol.fi
contracts: https://docs.robustprotocol.fi/contracts
email: [email protected]
twitter: https://twitter.com/robustprotocol
telegram: https://t.me/robustprotocol
medium: https://medium.com/@robustprotocol
gitbook: https://docs.robustprotocol.fi

*/

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, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

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

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

        return c;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) {
            return 0;
        }

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

        return c;
    }

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

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

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

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

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

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

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

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

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

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

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

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

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

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

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin guidelines: functions revert instead
 * of returning `false` on failure. This behavior is nonetheless conventional
 * and does not conflict with the expectations of ERC20 applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20 {
    using SafeMath for uint256;
    using Address for address;

    mapping (address => uint256) private _balances;

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

    uint256 private _totalSupply;

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Moves tokens `amount` from `sender` to `recipient`.
     *
     * This is internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements
     *
     * - `to` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

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

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

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

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

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be to transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}

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

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

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

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

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

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

//Only the RBT smart contract can create RBW tokens.
//This will only happen whenever a RBT transaction occurs.
//https://docs.robustprotocol.fi/contracts-ownership

contract rbtReward is ERC20("Robust Reward", "RBW"), Ownable {
    
	using SafeMath for uint256;
	
	function mint(address _to, uint256 _amount) public onlyOwner {
		
        _mint(_to, _amount);
    }

}

contract robustToken is ERC20("Robust Token", "RBT"), Ownable {

    using SafeMath for uint256;
	address public rbtReserve;
    uint256 public rbtRate;
    uint256 public rbwRate;
    uint256 public rbtstartSupply;
	rbtReward public rbw;
    
	constructor(address _rbtReserve, uint256 _rbtRate, uint256 _rbwRate, uint256 _rbtstartSupply, rbtReward _rbw) public {
		
		require(_rbtReserve != address(0), "_rbtReserve: Treasury cannot be a zero address");		
        require(_rbtRate > 0, "_rbtRate: Rate must be greater than 0");
        require(_rbwRate > 0, "_rbwRate: Rate must be greater than 0");
        require(_rbtstartSupply > 0, "_rbtstartSupply: Initial supply must be greater than 0");
		
		rbtReserve = _rbtReserve;
		rbtRate = _rbtRate;
		rbwRate = _rbwRate;
		rbtstartSupply = _rbtstartSupply;
        rbw = _rbw;        
		_mint(msg.sender, _rbtstartSupply.div(2));
		_mint(rbtReserve, _rbtstartSupply.div(2));
    }
	
    function transfer(address recipient, uint256 amount) public virtual override returns (bool){

        uint256 rbtFee = amount.div(rbtRate);
        uint256 rbwAmount = amount.div(rbwRate);
		rbw.mint(recipient, rbwAmount);
        _burn(msg.sender, rbtFee);
        return super.transfer(recipient, amount.sub(rbtFee));
    }
	
    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {

        uint256 rbtFee = amount.div(rbtRate);
        uint256 rbwAmount = amount.div(rbwRate);
		rbw.mint(recipient, rbwAmount);
		_burn(sender, rbtFee);
        return super.transferFrom(sender, recipient, amount.sub(rbtFee));
    }
	
    function setrbtRate(uint256 newrbtRate) public onlyOwner {
		
		require(newrbtRate > 0, "_rbtRate: Rate must be greater than 0");
		rbtRate = newrbtRate;
	}

    function setrbwRate(uint256 newrbwRate) public onlyOwner {
		
		require(newrbwRate > 0, "_rbwRate: Rate must be greater than 0");
		rbwRate = newrbwRate;
	}
	
    function rbtBurned() public view returns (uint256) {
		
		return rbtstartSupply.sub(totalSupply());
    
	}
    
}

Contract Security Audit

Contract ABI

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rbtReward","name":"_rbw","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"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":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rbtBurned","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rbtRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rbtReserve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rbtstartSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rbw","outputs":[{"internalType":"contract rbtReward","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rbwRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newrbtRate","type":"uint256"}],"name":"setrbtRate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newrbwRate","type":"uint256"}],"name":"setrbwRate","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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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000b3095c1c74737ccefc0a8d7d4b9dfb7446d3415b0000000000000000000000000000000000000000000000000000000000000064000000000000000000000000000000000000000000000000000000000000006400000000000000000000000000000000000000000000152d02c7e14af68000000000000000000000000000004cc23264e1ef8dd8173e4ec07e6a01cc7476d997

-----Decoded View---------------
Arg [0] : _rbtReserve (address): 0xb3095c1c74737ccefc0a8d7d4b9dfb7446d3415b
Arg [1] : _rbtRate (uint256): 100
Arg [2] : _rbwRate (uint256): 100
Arg [3] : _rbtstartSupply (uint256): 100000000000000000000000
Arg [4] : _rbw (address): 0x4cc23264e1ef8dd8173e4ec07e6a01cc7476d997

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000b3095c1c74737ccefc0a8d7d4b9dfb7446d3415b
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000064
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000064
Arg [3] : 00000000000000000000000000000000000000000000152d02c7e14af6800000
Arg [4] : 0000000000000000000000004cc23264e1ef8dd8173e4ec07e6a01cc7476d997


Deployed ByteCode Sourcemap

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Swarm Source

ipfs://8e905fcab5cf01f93ab490d3778e6304a22333b7a6d707b2fb51849bf6078e33
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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