ETH Price: $2,487.26 (-1.44%)

Contract

0x8a6ACA71A218301c7081d4e96D64292D3B275ce0
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Token Holdings

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Transfer206462662024-08-31 4:48:4722 hrs ago1725079727IN
S.Finance: SFG Token
0 ETH0.000091512.64670475
Approve205039632024-08-11 7:44:5920 days ago1723362299IN
S.Finance: SFG Token
0 ETH0.000036171.49493974
Approve205039622024-08-11 7:44:4720 days ago1723362287IN
S.Finance: SFG Token
0 ETH0.000035531.46859295
Transfer204576842024-08-04 20:48:5927 days ago1722804539IN
S.Finance: SFG Token
0 ETH0.000176335.09790521
Transfer204379172024-08-02 2:36:4730 days ago1722566207IN
S.Finance: SFG Token
0 ETH0.000168783.26530568
Transfer204003742024-07-27 20:48:5935 days ago1722113339IN
S.Finance: SFG Token
0 ETH0.0012176735.20407267
Transfer202213112024-07-02 20:48:1160 days ago1719953291IN
S.Finance: SFG Token
0 ETH0.000220436.3729891
Transfer200667402024-06-11 6:17:1181 days ago1718086631IN
S.Finance: SFG Token
0 ETH0.000452388.75011807
Transfer200371772024-06-07 3:11:2385 days ago1717729883IN
S.Finance: SFG Token
0 ETH0.0006922813.39021287
Transfer199792212024-05-30 0:55:2394 days ago1717030523IN
S.Finance: SFG Token
0 ETH0.0007861522.72840182
Approve199302452024-05-23 4:38:35100 days ago1716439115IN
S.Finance: SFG Token
0 ETH0.000085723.54263083
Transfer199224082024-05-22 2:19:35102 days ago1716344375IN
S.Finance: SFG Token
0 ETH0.0005500810.63979985
Transfer199219622024-05-22 0:49:23102 days ago1716338963IN
S.Finance: SFG Token
0 ETH0.000300878.69549987
Transfer199185842024-05-21 13:28:59102 days ago1716298139IN
S.Finance: SFG Token
0 ETH0.0005805619.47352497
Transfer199184702024-05-21 13:06:11102 days ago1716296771IN
S.Finance: SFG Token
0 ETH0.001078320.85164476
Transfer198754862024-05-15 12:49:23108 days ago1715777363IN
S.Finance: SFG Token
0 ETH0.0004782713.82726528
Increase Allowan...198595232024-05-13 7:12:11110 days ago1715584331IN
S.Finance: SFG Token
0 ETH0.000271325.78941276
Transfer198211812024-05-07 22:30:59116 days ago1715121059IN
S.Finance: SFG Token
0 ETH0.000224854.79538772
Transfer198052212024-05-05 16:56:23118 days ago1714928183IN
S.Finance: SFG Token
0 ETH0.0003496210.11153616
Transfer197814352024-05-02 9:06:35121 days ago1714640795IN
S.Finance: SFG Token
0 ETH0.0003880411.22271669
Transfer197667352024-04-30 7:48:23123 days ago1714463303IN
S.Finance: SFG Token
0 ETH0.0005823711.26421421
Transfer196904772024-04-19 15:49:11134 days ago1713541751IN
S.Finance: SFG Token
0 ETH0.0011058821.39490877
Transfer196237052024-04-10 7:20:59143 days ago1712733659IN
S.Finance: SFG Token
0 ETH0.0004937116.56036689
Transfer196231602024-04-10 5:31:23143 days ago1712727083IN
S.Finance: SFG Token
0 ETH0.0008323916.09648885
Transfer196154082024-04-09 3:28:11144 days ago1712633291IN
S.Finance: SFG Token
0 ETH0.0011094521.45906635
View all transactions

View more zero value Internal Transactions in Advanced View mode

Advanced mode:
Loading...
Loading

Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x50715129...b11693E94
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
SfgToken

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 Etherscan.io on 2020-09-19
*/

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;

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

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


/**
 * @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;
    }
    
	function sqrt(uint x)public pure returns(uint y) {
        uint z = (x + 1) / 2;
        y = x;
        while (z < y) {
            y = z;
            z = (x / z + z) / 2;
        }
    }
}


/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies in 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");
        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 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 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) public _balances;

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

    uint256 public _totalSupply;

    string internal _name;
    string internal _symbol;
    uint8 internal _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 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 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 { }
    
}


contract SfgToken is ERC20 {

	constructor(address SfgFarm) ERC20("Stable Finance Governance Token", "SFG") public {
		uint8 decimals = 18;
		_setupDecimals(decimals);
		
		_mint(SfgFarm,  21000000 * 10 ** uint256(decimals));       // 100%, 21000000
	}
}

contract SfyToken is ERC20 {

	constructor(address SfyFarm) ERC20("Stable Finance Yield Token", "SFY") public {
		uint8 decimals = 18;
		_setupDecimals(decimals);
		
		_mint(SfyFarm,  21000000 * 10 ** uint256(decimals));       // 100%, 21000000
	}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"SfgFarm","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":"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":"","type":"address"}],"name":"_balances","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":"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":"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"}]

Deployed Bytecode

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

Deployed Bytecode Sourcemap

26085:262:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;17244:83;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;19366:169;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;19366:169:0;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;18319:108;;;:::i;:::-;;;;;;;;;;;;;;;;20009:321;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;20009:321:0;;;;;;;;;;;;;;;;;:::i;18171:83::-;;;:::i;:::-;;;;;;;;;;;;;;;;;;;20739:218;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;20739:218:0;;;;;;;;:::i;16573:27::-;;;:::i;16440:45::-;;;;;;;;;;;;;;;;-1:-1:-1;16440:45:0;-1:-1:-1;;;;;16440:45:0;;:::i;18490:127::-;;;;;;;;;;;;;;;;-1:-1:-1;18490:127:0;-1:-1:-1;;;;;18490:127:0;;:::i;17446:87::-;;;:::i;21460:269::-;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;21460:269:0;;;;;;;;:::i;18830:175::-;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;18830:175:0;;;;;;;;:::i;19068:151::-;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;19068:151:0;;;;;;;;;;:::i;17244:83::-;17314:5;17307:12;;;;;;;;-1:-1:-1;;17307:12:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;17281:13;;17307:12;;17314:5;;17307:12;;17314:5;17307:12;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;17244:83;:::o;19366:169::-;19449:4;19466:39;19475:12;:10;:12::i;:::-;19489:7;19498:6;19466:8;:39::i;:::-;-1:-1:-1;19523:4:0;19366:169;;;;:::o;18319:108::-;18407:12;;18319:108;:::o;20009:321::-;20115:4;20132:36;20142:6;20150:9;20161:6;20132:9;:36::i;:::-;20179:121;20188:6;20196:12;:10;:12::i;:::-;20210:89;20248:6;20210:89;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;20210:19:0;;;;;;:11;:19;;;;;;20230:12;:10;:12::i;:::-;-1:-1:-1;;;;;20210:33:0;;;;;;;;;;;;-1:-1:-1;20210:33:0;;;:89;:37;:89::i;:::-;20179:8;:121::i;:::-;-1:-1:-1;20318:4:0;20009:321;;;;;:::o;18171:83::-;18237:9;;;;18171:83;:::o;20739:218::-;20827:4;20844:83;20853:12;:10;:12::i;:::-;20867:7;20876:50;20915:10;20876:11;:25;20888:12;:10;:12::i;:::-;-1:-1:-1;;;;;20876:25:0;;;;;;;;;;;;;;;;;-1:-1:-1;20876:25:0;;;:34;;;;;;;;;;;:38;:50::i;16573:27::-;;;;:::o;16440:45::-;;;;;;;;;;;;;;:::o;18490:127::-;-1:-1:-1;;;;;18591:18:0;18564:7;18591:18;;;;;;;;;;;;18490:127::o;17446:87::-;17518:7;17511:14;;;;;;;;-1:-1:-1;;17511:14:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;17485:13;;17511:14;;17518:7;;17511:14;;17518:7;17511:14;;;;;;;;;;;;;;;;;;;;;;;;21460:269;21553:4;21570:129;21579:12;:10;:12::i;:::-;21593:7;21602:96;21641:15;21602:96;;;;;;;;;;;;;;;;;:11;:25;21614:12;:10;:12::i;:::-;-1:-1:-1;;;;;21602:25:0;;;;;;;;;;;;;;;;;-1:-1:-1;21602:25:0;;;:34;;;;;;;;;;;:96;:38;:96::i;18830:175::-;18916:4;18933:42;18943:12;:10;:12::i;:::-;18957:9;18968:6;18933:9;:42::i;19068:151::-;-1:-1:-1;;;;;19184:18:0;;;19157:7;19184:18;;;:11;:18;;;;;;;;:27;;;;;;;;;;;;;19068:151::o;1801:181::-;1859:7;1891:5;;;1915:6;;;;1907:46;;;;;-1:-1:-1;;;1907:46:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;1973:1;1801:181;-1:-1:-1;;;1801:181:0:o;605:106::-;693:10;605:106;:::o;24607:346::-;-1:-1:-1;;;;;24709:19:0;;24701:68;;;;-1:-1:-1;;;24701:68:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;24788:21:0;;24780:68;;;;-1:-1:-1;;;24780:68:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;24861:18:0;;;;;;;:11;:18;;;;;;;;:27;;;;;;;;;;;;;:36;;;24913:32;;;;;;;;;;;;;;;;;24607:346;;;:::o;22219:539::-;-1:-1:-1;;;;;22325:20:0;;22317:70;;;;-1:-1:-1;;;22317:70:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;22406:23:0;;22398:71;;;;-1:-1:-1;;;22398:71:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;22482:47;22503:6;22511:9;22522:6;22482:20;:47::i;:::-;22562:71;22584:6;22562:71;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;22562:17:0;;:9;:17;;;;;;;;;;;;:71;:21;:71::i;:::-;-1:-1:-1;;;;;22542:17:0;;;:9;:17;;;;;;;;;;;:91;;;;22667:20;;;;;;;:32;;22692:6;22667:24;:32::i;:::-;-1:-1:-1;;;;;22644:20:0;;;:9;:20;;;;;;;;;;;;:55;;;;22715:35;;;;;;;22644:20;;22715:35;;;;;;;;;;;;;22219:539;;;:::o;2704:192::-;2790:7;2826:12;2818:6;;;;2810:29;;;;-1:-1:-1;;;2810:29:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;2862:5:0;;;2704:192::o;25978:92::-;;;;:::o

Swarm Source

ipfs://8ab2da8b642921e30e270cba7ad4fb2a4d1abd500ced15c6ba404e1b3e2f3cf6

Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading

OVERVIEW

S.Finance is a DeFi project aims to offer stable currency exchange service. It adopts StableSwap market maker algorithm and claims to achieve low slippage.

Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
Loading...
Loading
[ Download: CSV Export  ]

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.