Contract 0x81740D647493a61329E1c574A11ee7577659fb14

Txn Hash Method
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0xf5e13a2a347ff9e537d507dc2b6db90feb048987941f21d9a0979f70f1581862Increase Allowan...196248842021-10-20 22:18:4316 hrs 44 mins ago0x0d8e060ca2d847553ec14394ee6b304623e0d1d6 IN  Fantom Finance: fCHF Token0 FTM0.004096991335
0x1dee3b3381a868193243dd53ae5029800ef8066fac95546c4b84f6bcf53cbe0dIncrease Allowan...192898772021-10-17 0:54:034 days 14 hrs ago0xf22ca71045d644116814a333f65b61d847c66d50 IN  Fantom Finance: fCHF Token0 FTM0.006925564701
0x7f1250407e7663808c90b26995591a0edb468754727af5424d7f36d767453a2dApprove177900822021-09-27 10:51:1024 days 4 hrs ago0x0d8e060ca2d847553ec14394ee6b304623e0d1d6 IN  Fantom Finance: fCHF Token0 FTM0.008084699867
0x172b8f808b732d8158f53accf9d42962249167e23d10a8944449e293c81f0059Increase Allowan...171481552021-09-16 18:20:0534 days 20 hrs ago0x0d8e060ca2d847553ec14394ee6b304623e0d1d6 IN  Fantom Finance: fCHF Token0 FTM0.00556902483
0x80c4dc45ef8b224f4273250c4c96de27df4ffc5868f8f2d4e01ab71d2bb5a478Increase Allowan...170967062021-09-15 17:13:1035 days 21 hrs ago0x0d8e060ca2d847553ec14394ee6b304623e0d1d6 IN  Fantom Finance: fCHF Token0 FTM0.010741573973
0xad0fd2ed5b07d5fe16b03eb2b01f187a78fc76a21b55dc9c14b9d32bc1bb39beApprove170966392021-09-15 17:11:0235 days 21 hrs ago0x0d8e060ca2d847553ec14394ee6b304623e0d1d6 IN  Fantom Finance: fCHF Token0 FTM0.007179813546
0xbf9f1d93995962ca7642a53f75a6c99a53aaa6e357bf26782a92d02bb251ea16Approve170966222021-09-15 17:10:4435 days 21 hrs ago0x0d8e060ca2d847553ec14394ee6b304623e0d1d6 IN  Fantom Finance: fCHF Token0 FTM0.012309041362
0xf5b382124389fb3c47a273fdcc64840fe4f68fabfcba37853a4037fc9f558617Increase Allowan...167427362021-09-09 12:17:3942 days 2 hrs ago0x9065e0b039ca0d81f46034daf16edf81f3265cf6 IN  Fantom Finance: fCHF Token0 FTM0.0018747
0x1038d32052910a51af8a2318edfb84dd551338de1ee72010379d3c84a3957fbaIncrease Allowan...165957232021-09-07 12:26:3144 days 2 hrs ago0x9065e0b039ca0d81f46034daf16edf81f3265cf6 IN  Fantom Finance: fCHF Token0 FTM0.00749592
0x540944ac24dba9bfc1e155b42e2115a4757e5c0562d7335dc7b446aa432a4cd7Increase Allowan...164115312021-09-05 9:38:3546 days 5 hrs ago0xf9665672645c7370b3e99feab90f20f011a2b561 IN  Fantom Finance: fCHF Token0 FTM0.002791283457
0xd4749d6b86e57b2512fb0c42804083098c9637e312ea1c16c6c4efb538e7db95Increase Allowan...159731452021-08-31 10:04:2051 days 4 hrs ago0xf9ae5e5ed528bd8e3f67f120959a3764efe91267 IN  Fantom Finance: fCHF Token0 FTM0.002213652009
0xc14d9801b9e2ac06752790c479f1c36c5eab616102cb47f5634d679765d25c16Approve159172832021-08-30 17:11:4351 days 21 hrs ago0xf9665672645c7370b3e99feab90f20f011a2b561 IN  Fantom Finance: fCHF Token0 FTM0.031791083345
0x448982f9e040d33ad7b0f2ce6a53bf5361eb1c723312e9c51d8b524dcaf2f122Approve126988232021-07-22 20:34:5090 days 18 hrs ago0x4ae31d222b8123a0c882fa220982dfc17d0b6d34 IN  Fantom Finance: fCHF Token0 FTM0.002879541
0xf6215feb4f1c3d19de5bfb33b106888e81434622bf2e2b39ad44c7c0b734ef35Increase Allowan...125290042021-07-20 14:51:0093 days 11 mins ago0xf9ae5e5ed528bd8e3f67f120959a3764efe91267 IN  Fantom Finance: fCHF Token0 FTM0.003743901
0xc2747053a464ce7d65901ebd2132f7b06051b3c36a85fb8b0fca1654ea041250Increase Allowan...98427452021-06-16 15:45:53126 days 23 hrs ago0xd48f4cfe2dafdec983cda6e18b27d72f8317e9aa IN  Fantom Finance: fCHF Token0 FTM0.004796659806
0xef9c5102879afb37f3404e6b8eb939709a4b24d3ce2bf15ba8ea8f675092105cIncrease Allowan...87616372021-06-03 15:26:08139 days 23 hrs ago0x63308c767e86b4577e7c605af34e0aee9feb376b IN  Fantom Finance: fCHF Token0 FTM0.003743901
0x41580e902984ede16a67f753559ee45deec1e771f674770c3250a6cf04cef06fTransfer87615972021-06-03 15:25:42139 days 23 hrs ago0xa925658945d7a738faf571fa32477949fa88760f IN  Fantom Finance: fCHF Token0 FTM0.004223502
0x796d53b49f8b0cbba617bce0fe4fd5691e7dcf8f5c2aff87964f39650fa3cdd9Increase Allowan...62714262021-05-13 13:25:23161 days 1 hr ago0x85bb1e1c371447ff69f7b298618574c664a288ff IN  Fantom Finance: fCHF Token0 FTM0.000481715262
0x613024502040b50b83c93e2136b7e5e5ab709e018ffab218d72bf8f4eb7e609cIncrease Allowan...58316702021-05-09 20:07:30164 days 18 hrs ago0x9065e0b039ca0d81f46034daf16edf81f3265cf6 IN  Fantom Finance: fCHF Token0 FTM0.0000637398
0x359a02d185a117e9df4c5da6821ede1951e9462e0cd9bdf91c3b23f354e31301Increase Allowan...49737802021-05-02 18:21:21171 days 20 hrs ago0x108be6a6647aa7187fb0beeca8647cb0ea0079d6 IN  Fantom Finance: fCHF Token0 FTM0.00003154533
0xb5f74488705e133597cca3d24e54263761061d17671081f33956cbee1b79f573Transfer49737372021-05-02 18:20:52171 days 20 hrs ago0xbb9b6b96054802d8452c106ecceb4a66da81979f IN  Fantom Finance: fCHF Token0 FTM0.00003751342
0xa7db06860afa4e516d2360185c03c0e35f0777f931eca0af7dfe98c71aef8535Increase Allowan...49419822021-05-02 11:57:54172 days 3 hrs ago0x9065e0b039ca0d81f46034daf16edf81f3265cf6 IN  Fantom Finance: fCHF Token0 FTM0.00003155745
0xb6ca98d2214f4cf9f4050f6626e3a688715263debf2e4cf9401c8c5be7c27e87Increase Allowan...46877922021-04-30 7:15:47174 days 7 hrs ago0x9065e0b039ca0d81f46034daf16edf81f3265cf6 IN  Fantom Finance: fCHF Token0 FTM0.000031264233
0x7971693d35d7d96f887afd9639af5810ac4271452fbb02cb44964426fe806beaIncrease Allowan...31379212021-03-30 14:43:47205 days 18 mins ago0x8f94d617ebf7f31d0819b8746b7d535422526dbd IN  Fantom Finance: fCHF Token0 FTM0.000046245
0xb0a3d87e45848857a0ff7bce8dae4a53e1c28ef8af28e9bc8049f7c04fa45329Increase Allowan...28798892021-03-22 23:17:01212 days 15 hrs ago0x9065e0b039ca0d81f46034daf16edf81f3265cf6 IN  Fantom Finance: fCHF Token0 FTM0.000062442
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0x0d387efa03ade49bb068a723fa53e326bfb6a440ba5637bc65d8750a8249fec014129722020-12-09 22:45:32315 days 16 hrs ago 0x3ea8375b450e443a9bb5cac5f4be9f8f646d7318  Contract Creation0 FTM
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Contract Source Code Verified (Exact Match)

Contract Name:
fCHF

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 2021-02-20
*/

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 MinterRole is Context {
    using Roles for Roles.Role;

    event MinterAdded(address indexed account);
    event MinterRemoved(address indexed account);

    Roles.Role private _minters;

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

    modifier onlyMinter() {
        require(isMinter(_msgSender()), "MinterRole: caller does not have the Minter role");
        _;
    }

    function isMinter(address account) public view returns (bool) {
        return _minters.has(account);
    }

    function addMinter(address account) public onlyMinter {
        _addMinter(account);
    }

    function renounceMinter() public {
        _removeMinter(_msgSender());
    }

    function _addMinter(address account) internal {
        _minters.add(account);
        emit MinterAdded(account);
    }

    function _removeMinter(address account) internal {
        _minters.remove(account);
        emit MinterRemoved(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 ERC20Burnable is Context, ERC20 {
    /**
     * @dev Destroys `amount` tokens from the caller.
     *
     * See {ERC20-_burn}.
     */
    function burn(uint256 amount) public {
        _burn(_msgSender(), amount);
    }

    /**
     * @dev See {ERC20-_burnFrom}.
     */
    function burnFrom(address account, uint256 amount) public {
        _burnFrom(account, amount);
    }
}

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 ERC20Mintable is ERC20, MinterRole {
    /**
     * @dev See {ERC20-_mint}.
     *
     * Requirements:
     *
     * - the caller must have the {MinterRole}.
     */
    function mint(address account, uint256 amount) public onlyMinter returns (bool) {
        _mint(account, amount);
        return true;
    }
}

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 fCHF is ERC20, ERC20Detailed, ERC20Mintable, ERC20Burnable, ERC20Pausable {
    // create instance of the fCHF token
    constructor () public ERC20Detailed("fCHF", "FCHF", 18) {
    }
}

Contract Security Audit

Contract ABI

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d","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"renounceMinter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"renouncePauser","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"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"}]

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Swarm Source

bzzr://4e86797aff84f3619357a55eb735a93431fe147db6234ecba828f20afd488731
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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