Contract 0x21be370d5312f44cb42ce377bc9b8a0cef1a4c83

Contract Overview

Fantom Finance: Wrapped Fantom Token
Balance:
273,683,679.98268595432982788 FTM

FTM Value:
$208,810,302.58 (@ $0.76/FTM)
Txn Hash
Block
From
To
Value [Txn Fee]
0x8eb1e02f582e83df321481b91000a691f3657ef4c1b7386e5cb8a495f9137e8760397542021-05-11 14:02:3037 secs ago0x631f82fb2a62496d28780a821f47786b05e2278a IN  Fantom Finance: Wrapped Fantom Token0 FTM0.00106085947
0x944d88e306f78ddfde8b3d44128354f3804b3034d72a9bac52a856454868c7fa60397442021-05-11 14:02:2443 secs ago0x3b63119828aec7627f93bff16a69da615e798429 IN  Fantom Finance: Wrapped Fantom Token250 FTM0.00118317617
0x676b34b463edee131461dc4fd09034fc7a1a71c5bee146e76aca11a21c4a0a2760396852021-05-11 14:01:451 min ago0x39bd6f6763c6c0550026a53a341cc37c45d0850c IN  Fantom Finance: Wrapped Fantom Token0 FTM0.00067675718
0x5d65e1f2494877064d70d3d11ca0a308f2767e1cc8b1285197bf66b2652f936360396572021-05-11 14:01:271 min ago0x01af86cd3fa63f8b04b8ba7df0494a77c01c473f IN  Fantom Finance: Wrapped Fantom Token0 FTM0.00110286957
0xc947aaa9a1a47ff1b9a0d048afd6c16372f665457bfdfa6a9199dd90b4de907060395342021-05-11 14:00:073 mins ago0x384c47aa1d8f801fe685514dcefd6cf0c35d923d IN  Fantom Finance: Wrapped Fantom Token0 FTM0.00017748
0x3409ec4d5b177bc24eba9da3ef0e3c0fc3c10158f1c12b499faac25e8e953b0860393172021-05-11 13:57:385 mins ago0x4cf5a42f10b11758ddb579dfb637d533ea858b43 IN  Fantom Finance: Wrapped Fantom Token0 FTM0.000058388
0xbf646fd30534b5c11dd2a37193cd2a9297222b0d7c557caf3530b02e246d76d760392552021-05-11 13:56:516 mins ago0xde0d2dfdfaee1217dcd131e8edb0da8b654a0cf9 IN  Fantom Finance: Wrapped Fantom Token88 FTM0.000071954
0x6e36debc4e64b6092bc7a3fe4a58a5c2ecd29f12f9c9452bf3c8312a9dd8b9ff60390812021-05-11 13:54:518 mins ago0x8124cd0300eefd6fe505949a206351eb2ad3ed68 IN  Fantom Finance: Wrapped Fantom Token0 FTM0.000058364
0x890d35b593d89e1926f36004820acbcc6a2e431e61d46ba9daa3e4fa460fa73a60390642021-05-11 13:54:408 mins ago0x0c18c133c4494c9d3d93d7b87941096a1d8c1805 IN  Fantom Finance: Wrapped Fantom Token0 FTM0.00005834
0x92eb4d422f8bd762ae0c17116ba3e2028a8a1bcbbc08686b7aa71afe4d13ba7160390592021-05-11 13:54:378 mins ago0x3b63119828aec7627f93bff16a69da615e798429 IN  Fantom Finance: Wrapped Fantom Token0 FTM0.000091414
0xb967b49ef650015e6adb616ff848057cfdf26bef4ffd23749dd86918e953fb3760390142021-05-11 13:54:079 mins ago0x3b63119828aec7627f93bff16a69da615e798429 IN  Fantom Finance: Wrapped Fantom Token250 FTM0.000101954
0xda236ceb90041ad3cd4c95b4ec844e825efa7ae17e4643ba6c7c6636dda1df5860389112021-05-11 13:52:5910 mins ago0x218d8c97f20322a8f0a1c4a1d370206d245db8ee IN  Fantom Finance: Wrapped Fantom Token0 FTM0.00006411
0x46b698d0df4a3762da9cab5a27f8a935d91438d94012d043851e9e849932880a60389082021-05-11 13:52:5710 mins ago0x55af5e98911cfaadd744e0cd59309eba337c5068 IN  Fantom Finance: Wrapped Fantom Token0 FTM0.000088316
0xaccf40cfe90b65e9d5b581458f3b221bfe060a735cd29772c557fe08bae94a7660388912021-05-11 13:52:4410 mins ago0xea53725144cc55a1840d7e941bb0613b7f47d0c3 IN  Fantom Finance: Wrapped Fantom Token0 FTM0.000136516
0x16a1c1809cdae8dd8c3a5ff8825955de811120893901ea9585f607fb75c75b1960387872021-05-11 13:51:2011 mins ago0xef3c37cec57ac964f59550c7d44fa11f68c64593 IN  Fantom Finance: Wrapped Fantom Token0 FTM0.000091414
0xaf757fd71315c4aa6adf5df5937572bd3b26a36441545da8e0e4d3ea74046be660387732021-05-11 13:51:1111 mins ago0xc13310129e58bfcd26c172f65c5f36036c9935ca IN  Fantom Finance: Wrapped Fantom Token0 FTM0.000058316
0xbc581701dfb6c91606e8e63755d452be3010a569c8a29a59040d3ed63e8f802960387562021-05-11 13:50:5612 mins ago0xd537c1e6ea50c257a0af2ccc0c366d54a0dbfbd3 IN  Fantom Finance: Wrapped Fantom Token1,140 FTM0.00011265917
0xdd6164009672a6e22e5c5fbd231250afc77da25d8ae3e8bd806551950771850460387532021-05-11 13:50:5212 mins ago0x1a64b9605ac5c11f9925bbabd4b4f2592fe0e331 IN  Fantom Finance: Wrapped Fantom Token0 FTM0.0000644657
0x6c5354e2574b0ca11bef890833f6e5b9c205033da2356146198d8129c5bed9fe60386862021-05-11 13:49:5913 mins ago0xc1cae55a8b64eba7d360751edc253a0eb720e115 IN  Fantom Finance: Wrapped Fantom Token0 FTM0.0000644657
0x1268cfdf679e028b51f1d44406ef479b64ecf8c6a54bed2823ca03ed3e0e72ba60385692021-05-11 13:48:3714 mins ago0xb95e6212d89af00a19e148a47f99b24b9b1ead55 IN  Fantom Finance: Wrapped Fantom Token0 FTM0.0000586317
0x567cc76d71d103c8535bb90a99f26db8c0f0fb09a16eeade709a5046c9a223b960385572021-05-11 13:48:2914 mins ago0x43440c7e52160ab684f8c61f12438685a7a237ba IN  Fantom Finance: Wrapped Fantom Token0 FTM0.000136516
0xc6c36fc23145bfb1d45fca2fa5eb880d61b374b7c3c44c42e10dbf0665e1854b60385482021-05-11 13:48:2114 mins ago0x7e6a332f754e326c5fdee77a1982d112751a0e7a IN  Fantom Finance: Wrapped Fantom Token0 FTM0.00005867994
0xe3ab0db5108a138cd727c10ef1ec072785eef292f2cef65a93c6e70cbf28299660385412021-05-11 13:48:1514 mins ago0xc3f8ebb87cad1910f846163e9110036a490a3009 IN  Fantom Finance: Wrapped Fantom Token0 FTM0.00005834
0xd0169a8b587fbf71d1ccfdec9288cfd6a9f020b1b70b76e85a446c3dffb0357e60384502021-05-11 13:47:1315 mins ago0xb9bab2a7d05d87a64be370701ce6894e37a91784 IN  Fantom Finance: Wrapped Fantom Token0 FTM0.00005834
0x2e2f18fdc6ff189d59c07d8612a0a45b72ab72444e616a4bf76aaf2f74ca5d2a60383552021-05-11 13:46:0916 mins ago0x4d9789abc5f236f6baef5f7423998c8c61d239a8 IN  Fantom Finance: Wrapped Fantom Token0 FTM0.00005834
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Contract Source Code Verified (Exact Match)

Contract Name:
WrappedFtm

Compiler Version
v0.5.17+commit.d19bba13

Optimization Enabled:
Yes with 5000000 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at FtmScan.com on 2021-02-19
*/

pragma solidity ^0.5.0;

contract Context {
    // Empty internal constructor, to prevent people from mistakenly deploying
    // an instance of this contract, which should be used via inheritance.
    constructor () internal { }
    // solhint-disable-previous-line no-empty-blocks

    function _msgSender() internal view returns (address payable) {
        return msg.sender;
    }

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

library Roles {
    struct Role {
        mapping (address => bool) bearer;
    }

    /**
     * @dev Give an account access to this role.
     */
    function add(Role storage role, address account) internal {
        require(!has(role, account), "Roles: account already has role");
        role.bearer[account] = true;
    }

    /**
     * @dev Remove an account's access to this role.
     */
    function remove(Role storage role, address account) internal {
        require(has(role, account), "Roles: account does not have role");
        role.bearer[account] = false;
    }

    /**
     * @dev Check if an account has this role.
     * @return bool
     */
    function has(Role storage role, address account) internal view returns (bool) {
        require(account != address(0), "Roles: account is the zero address");
        return role.bearer[account];
    }
}

contract PauserRole is Context {
    using Roles for Roles.Role;

    event PauserAdded(address indexed account);
    event PauserRemoved(address indexed account);

    Roles.Role private _pausers;

    constructor () internal {
        _addPauser(_msgSender());
    }

    modifier onlyPauser() {
        require(isPauser(_msgSender()), "PauserRole: caller does not have the Pauser role");
        _;
    }

    function isPauser(address account) public view returns (bool) {
        return _pausers.has(account);
    }

    function addPauser(address account) public onlyPauser {
        _addPauser(account);
    }

    function renouncePauser() public {
        _removePauser(_msgSender());
    }

    function _addPauser(address account) internal {
        _pausers.add(account);
        emit PauserAdded(account);
    }

    function _removePauser(address account) internal {
        _pausers.remove(account);
        emit PauserRemoved(account);
    }
}

contract Pausable is Context, PauserRole {
    /**
     * @dev Emitted when the pause is triggered by a pauser (`account`).
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by a pauser (`account`).
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state. Assigns the Pauser role
     * to the deployer.
     */
    constructor () internal {
        _paused = false;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view returns (bool) {
        return _paused;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     */
    modifier whenNotPaused() {
        require(!_paused, "Pausable: paused");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     */
    modifier whenPaused() {
        require(_paused, "Pausable: not paused");
        _;
    }

    /**
     * @dev Called by a pauser to pause, triggers stopped state.
     */
    function pause() public onlyPauser whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Called by a pauser to unpause, returns to normal state.
     */
    function unpause() public onlyPauser whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

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.
     *
     * _Available since v2.4.0._
     */
    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.
     *
     * _Available since v2.4.0._
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        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.
     *
     * _Available since v2.4.0._
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

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);
}

contract ERC20 is Context, IERC20 {
    using SafeMath for uint256;

    mapping (address => uint256) private _balances;

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

    uint256 private _totalSupply;

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

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view 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 returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

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

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public 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 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 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 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 {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _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 {
        require(account != address(0), "ERC20: mint to the zero address");

        _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 {
        require(account != address(0), "ERC20: burn from the zero address");

        _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 {
        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 Destroys `amount` tokens from `account`.`amount` is then deducted
     * from the caller's allowance.
     *
     * See {_burn} and {_approve}.
     */
    function _burnFrom(address account, uint256 amount) internal {
        _burn(account, amount);
        _approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
    }
}

contract ERC20Detailed is IERC20 {
    string private _name;
    string private _symbol;
    uint8 private _decimals;

    /**
     * @dev Sets the values for `name`, `symbol`, and `decimals`. All three of
     * these values are immutable: they can only be set once during
     * construction.
     */
    constructor (string memory name, string memory symbol, uint8 decimals) public {
        _name = name;
        _symbol = symbol;
        _decimals = decimals;
    }

    /**
     * @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.
     *
     * 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;
    }
}

contract ERC20Pausable is ERC20, Pausable {
    function transfer(address to, uint256 value) public whenNotPaused returns (bool) {
        return super.transfer(to, value);
    }

    function transferFrom(address from, address to, uint256 value) public whenNotPaused returns (bool) {
        return super.transferFrom(from, to, value);
    }

    function approve(address spender, uint256 value) public whenNotPaused returns (bool) {
        return super.approve(spender, value);
    }

    function increaseAllowance(address spender, uint256 addedValue) public whenNotPaused returns (bool) {
        return super.increaseAllowance(spender, addedValue);
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public whenNotPaused returns (bool) {
        return super.decreaseAllowance(spender, subtractedValue);
    }
}

contract WrappedFtm is ERC20, ERC20Detailed, ERC20Pausable {
    // Error Code: No error.
    uint256 public constant ERR_NO_ERROR = 0x0;

    // Error Code: Non-zero value expected to perform the function.
    uint256 public constant ERR_INVALID_ZERO_VALUE = 0x01;

    // create instance of the wFTM token
    constructor () public ERC20Detailed("Wrapped Fantom", "WFTM", 18) {
    }

    // deposit wraps received FTM tokens as wFTM in 1:1 ratio by minting
    // the received amount of FTMs in wFTM on the sender's address.
    function deposit() public whenNotPaused payable returns (uint256) {
        // there has to be some value to be converted
        if (msg.value == 0) {
            return ERR_INVALID_ZERO_VALUE;
        }

        // we already received FTMs, mint the appropriate amount of wFTM
        _mint(msg.sender, msg.value);

        // all went well here
        return ERR_NO_ERROR;
    }

    // withdraw unwraps FTM tokens by burning specified amount
    // of wFTM from the caller address and sending the same amount
    // of FTMs back in exchange.
    function withdraw(uint256 amount) public whenNotPaused returns (uint256) {
        // there has to be some value to be converted
        if (amount == 0) {
            return ERR_INVALID_ZERO_VALUE;
        }

        // burn wFTM from the sender first to prevent re-entrance issue
        _burn(msg.sender, amount);

        // if wFTM were burned, transfer native tokens back to the sender
        msg.sender.transfer(amount);

        // all went well here
        return ERR_NO_ERROR;
    }
}

Contract ABI

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ion"},{"constant":false,"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"unpause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"}]

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Swarm Source

bzzr://5aa4bd727a32addbd7562837838048136c5d3570e72e58054c8b7b09443fe6ca
Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Validator ID :
0 FTM

Amount Staked
0

Amount Delegated
0

Staking Total
0

Staking Start Epoch
0

Staking Start Time
0

Proof of Importance
0

Origination Score
0

Validation Score
0

Active
0

Online
0

Downtime
0 s
Address Amount claimed Rewards Created On Epoch Created On
Block Uncle Number Difficulty Gas Used Reward
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