Contract 0xf2f7ce610a091b94d41d69f4ff1129434a82e2f0 3

Contract Overview

Balance:
0 AVAX

AVAX Value:
$0.00

Token:
Txn Hash Method
Block
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To
Value [Txn Fee]
0x28a6c921b78a8a43fa9cf2940f9e363e831c73762486c5922c0feff8a5c7969cApprove279998522023-03-28 7:55:174 hrs 14 mins ago0x9c27a8ad71eeb9782642b28da04dfafbeb7b3c78 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.00072545 25
0x09102d87921401009584aaca0b15258d9c7daf3eff073c358d5ab547c72b65cbApprove279348062023-03-26 17:55:311 day 18 hrs ago0x69ee6d219f781c430dc14953ce98080c378b2e31 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.000768977 26.5
0x84ee455be3dd95d78ab2659f0e50c5b64c1678ab4026794ae1db56c5d9ae8d93Approve279295152023-03-26 14:25:111 day 21 hrs ago0xc7db70318ed61ceabe6062ec3481a8ab34854643 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.001255554 27
0x83b50ab63cd8a47a44b19177291899a2999c205ab18d716a00b834d68e55d046Transfer278977952023-03-25 18:20:162 days 17 hrs ago0xa9e1d64700b2866d71d20fdfa86ca7a9e768d069 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.0009149655 26.5
0x213c1f3d9268f14ad1c653e63e59aaa725fb312a6437107be7b84c0c6605209fApprove278882702023-03-25 12:53:372 days 23 hrs ago0x3dbb039b1eef07e9a1f5ee44fbe15fb3b031f012 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.001223717 26.5
0x6c4452a77d48cd8340ec4f7cea6f4a28a98d3ddde266ba7803efc8de44f0645eApprove278199252023-03-23 20:57:384 days 15 hrs ago0x5d23e0dbe7ddbef1dce0ce7392b62c1848a5e5c2 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.00072545 25
0xa69e37b59ecece9bb679a3d75d876bee4ced4e36d917b59568a1ce1d0fec59dfApprove278199252023-03-23 20:57:384 days 15 hrs ago0x5d23e0dbe7ddbef1dce0ce7392b62c1848a5e5c2 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.00072545 25
0x1afdb9b78684b938284e0c4766d8fa03cc95c361ab8f665a21671d7c2a9e7c1eApprove277598682023-03-22 7:32:286 days 4 hrs ago0x568183813d73953fd8c34badf762f674b52a03d5 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.0008661873 29.850000001
0x7039fd1c564b7a545229196e46d306f06ba4fd600c682d77e406f66faab63aeeApprove277411892023-03-21 20:53:096 days 15 hrs ago0xdea4bf4215024be84518bbaa9bef66b9c38f598a IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.000780056072 26.8818
0x5d4d5060a9eacaa5fc939597c6c54b5a8ad950c3946ba7b97698b720a03fd6abApprove277411802023-03-21 20:52:516 days 15 hrs ago0xdea4bf4215024be84518bbaa9bef66b9c38f598a IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.00078174492 26.94
0xe709bf6fd3c7e87120cadc7ade1db8693055fa6d26fdb3c075229919d1825297Approve277364812023-03-21 18:13:186 days 17 hrs ago0x5ba49835a6e292d98bba4ed8d8364c2a3f40dc06 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.00078348627
0x2000f5446214d96e4cf5717457510b7c704f18b0264cf89a44828df3c1639414Approve277363072023-03-21 18:07:286 days 18 hrs ago0x5ba49835a6e292d98bba4ed8d8364c2a3f40dc06 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.00078348627
0x38d92535eea5a76a8572007efb637d32e6e0bc561d75c57ef96dd46d06a0db47Approve277331132023-03-21 16:20:446 days 19 hrs ago0xfd8cf342299ea756e7ccdb4c2b12e429584bf579 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.00072545 25
0x0fdd06194728a659b236e1565eab727a248aba71d854ec23f22d9f0e385ee4dbApprove277330772023-03-21 16:19:336 days 19 hrs ago0xfd8cf342299ea756e7ccdb4c2b12e429584bf579 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.00072545 25
0xfcc0359a5269f15e14f63196cbc56bb3b5c751ce32c5b72318b32873f04000f0Approve275023252023-03-16 6:51:3312 days 5 hrs ago0xc19f68b703922aa38560933785d1d96ce34bb4e6 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.001232303 26.5
0x609c3dc127c59b12456a34ef4d9be07f0ed62eddb197995a7519d70be5a5b0c2Approve274860152023-03-15 21:30:4012 days 14 hrs ago0xe29ce1ee78e2c4fbb1045a4d409f6077b21e0cdc IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.001223717 26.5
0xe98a2b2b017dff8577e5ecc1025bc3aac76107a5dd8257df8e35a2b98c909a1bApprove274362552023-03-14 17:30:2713 days 18 hrs ago0x4ec0acc87689bbf97598c8a7dd6859846d520f5e IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.00081250428
0x327582d5cef8c63d4438ab2cc70bc666b34256f7abe40c1a69701af2d982b7a3Approve273684342023-03-13 3:09:1315 days 9 hrs ago0x40f11322d8b3c9accbc961867424d4c9d56db6b9 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.001223717 26.5
0x90ac8168e633210dc654c7967baac4cd9e1b6b26ed69cdc0ae55d8a03b5bcc1eTransfer273682102023-03-13 3:01:2515 days 9 hrs ago0xc8079deb56770b3110ae22f4c1e1ffa2143c6257 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.00144124449 27.910000001
0x63ba5830850c578db2b4d14465ec49c6188a2812aeaf6c2e1a4ea245c7f8259aApprove273245552023-03-12 2:22:4216 days 9 hrs ago0x64f20744391f7fe299d292b7e8aa2832daffdcb9 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.000768977 26.5
0x321de1203f5e46d47272fbc4fb35d4e5e09913e0b1c35c04c6c5c1228fbaf940Approve273245392023-03-12 2:22:0916 days 9 hrs ago0x64f20744391f7fe299d292b7e8aa2832daffdcb9 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.00077841789 26.825346
0x62e79e411b2e8f2a4d6a730730af4c82f8450d5ebfa2a28c440f4f3edbeaa585Approve273245222023-03-12 2:21:3316 days 9 hrs ago0x64f20744391f7fe299d292b7e8aa2832daffdcb9 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.0008661873 29.85
0x83cbdab1d5fc26155a0c72df883a897b052c092b19b949b719993fcc5f38fd05Approve273217832023-03-12 0:49:0516 days 11 hrs ago0x51a03c7281e1241c9e1161629b9a150846666780 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.000768977 26.5
0xf61e4b35885add93b07af3b2b2a9028c22f869788f29404847f357bc2d2d7a27Approve273217792023-03-12 0:48:5716 days 11 hrs ago0x51a03c7281e1241c9e1161629b9a150846666780 IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.000781160709 26.919867323
0x6fffbb361b76bccfbe7f0f64ee7cb588294203edd2119dfc1225ce2bc8d1ad85Approve272730422023-03-10 22:13:1217 days 13 hrs ago0x037e3410933ab3e903a2504569841cac409a675b IN  0xf2f7ce610a091b94d41d69f4ff1129434a82e2f00 AVAX0.00081250428
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Contract Source Code Verified (Exact Match)

Contract Name:
TimeERC20Token

Compiler Version
v0.7.5+commit.eb77ed08

Optimization Enabled:
Yes with 1000 runs

Other Settings:
default evmVersion, GNU AGPLv3 license

Contract Source Code (Solidity)

/**
 *Submitted for verification at snowtrace.io on 2021-11-25
*/

// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity 0.7.5;

library EnumerableSet {

  // To implement this library for multiple types with as little code
  // repetition as possible, we write it in terms of a generic Set type with
  // bytes32 values.
  // The Set implementation uses private functions, and user-facing
  // implementations (such as AddressSet) are just wrappers around the
  // underlying Set.
  // This means that we can only create new EnumerableSets for types that fit
  // in bytes32.
  struct Set {
    // Storage of set values
    bytes32[] _values;

    // Position of the value in the `values` array, plus 1 because index 0
    // means a value is not in the set.
    mapping (bytes32 => uint256) _indexes;
  }

  /**
   * @dev Add a value to a set. O(1).
   *
   * Returns true if the value was added to the set, that is if it was not
   * already present.
   */
  function _add(Set storage set, bytes32 value) private returns (bool) {
    if (!_contains(set, value)) {
      set._values.push(value);
      // The value is stored at length-1, but we add 1 to all indexes
      // and use 0 as a sentinel value
      set._indexes[value] = set._values.length;
      return true;
    } else {
      return false;
    }
  }

  /**
   * @dev Removes a value from a set. O(1).
   *
   * Returns true if the value was removed from the set, that is if it was
   * present.
   */
  function _remove(Set storage set, bytes32 value) private returns (bool) {
    // We read and store the value's index to prevent multiple reads from the same storage slot
    uint256 valueIndex = set._indexes[value];

    if (valueIndex != 0) { // Equivalent to contains(set, value)
      // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
      // the array, and then remove the last element (sometimes called as 'swap and pop').
      // This modifies the order of the array, as noted in {at}.

      uint256 toDeleteIndex = valueIndex - 1;
      uint256 lastIndex = set._values.length - 1;

      // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs
      // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

      bytes32 lastvalue = set._values[lastIndex];

      // Move the last value to the index where the value to delete is
      set._values[toDeleteIndex] = lastvalue;
      // Update the index for the moved value
      set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based

      // Delete the slot where the moved value was stored
      set._values.pop();

      // Delete the index for the deleted slot
      delete set._indexes[value];

      return true;
    } else {
      return false;
    }
  }

  /**
   * @dev Returns true if the value is in the set. O(1).
   */
  function _contains(Set storage set, bytes32 value) private view returns (bool) {
    return set._indexes[value] != 0;
  }

  /**
   * @dev Returns the number of values on the set. O(1).
   */
  function _length(Set storage set) private view returns (uint256) {
    return set._values.length;
  }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
  function _at(Set storage set, uint256 index) private view returns (bytes32) {
    require(set._values.length > index, "EnumerableSet: index out of bounds");
    return set._values[index];
  }

  function _getValues( Set storage set_ ) private view returns ( bytes32[] storage ) {
    return set_._values;
  }

  // TODO needs insert function that maintains order.
  // TODO needs NatSpec documentation comment.
  /**
   * Inserts new value by moving existing value at provided index to end 
   * of array and setting provided value at provided index
   */
  function _insert(Set storage set_, uint256 index_, bytes32 valueToInsert_ ) private returns ( bool ) {
    require(  set_._values.length > index_ );
    require( !_contains( set_, valueToInsert_ ), "Remove value you wish to insert if you wish to reorder array." );
    bytes32 existingValue_ = _at( set_, index_ );
    set_._values[index_] = valueToInsert_;
    return _add( set_, existingValue_);
  } 

  struct Bytes4Set {
    Set _inner;
  }

  /**
   * @dev Add a value to a set. O(1).
   *
   * Returns true if the value was added to the set, that is if it was not
   * already present.
   */
  function add(Bytes4Set storage set, bytes4 value) internal returns (bool) {
    return _add(set._inner, value);
  }

  /**
   * @dev Removes a value from a set. O(1).
   *
   * Returns true if the value was removed from the set, that is if it was
   * present.
   */
  function remove(Bytes4Set storage set, bytes4 value) internal returns (bool) {
    return _remove(set._inner, value);
  }

  /**
   * @dev Returns true if the value is in the set. O(1).
   */
  function contains(Bytes4Set storage set, bytes4 value) internal view returns (bool) {
    return _contains(set._inner, value);
  }

  /**
   * @dev Returns the number of values on the set. O(1).
   */
  function length(Bytes4Set storage set) internal view returns (uint256) {
    return _length(set._inner);
  }

  /**
   * @dev Returns the value stored at position `index` in the set. O(1).
   *
   * Note that there are no guarantees on the ordering of values inside the
   * array, and it may change when more values are added or removed.
   *
   * Requirements:
   *
   * - `index` must be strictly less than {length}.
   */
  function at(Bytes4Set storage set, uint256 index) internal view returns ( bytes4 ) {
    return bytes4( _at( set._inner, index ) );
  }

  function getValues( Bytes4Set storage set_ ) internal view returns ( bytes4[] memory ) {
    bytes4[] memory bytes4Array_;
    for( uint256 iteration_ = 0; _length( set_._inner ) > iteration_; iteration_++ ) {
      bytes4Array_[iteration_] = bytes4( _at( set_._inner, iteration_ ) );
    }
    return bytes4Array_;
  }

  function insert( Bytes4Set storage set_, uint256 index_, bytes4 valueToInsert_ ) internal returns ( bool ) {
    return _insert( set_._inner, index_, valueToInsert_ );
  }

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns ( bytes32 ) {
        return _at(set._inner, index);
    }

  function getValues( Bytes32Set storage set_ ) internal view returns ( bytes4[] memory ) {
    bytes4[] memory bytes4Array_;

      for( uint256 iteration_ = 0; _length( set_._inner ) >= iteration_; iteration_++ ){
        bytes4Array_[iteration_] = bytes4( at( set_, iteration_ ) );
      }

      return bytes4Array_;
  }

  function insert( Bytes32Set storage set_, uint256 index_, bytes32 valueToInsert_ ) internal returns ( bool ) {
    return _insert( set_._inner, index_, valueToInsert_ );
  }

  // AddressSet
  struct AddressSet {
    Set _inner;
  }

  /**
   * @dev Add a value to a set. O(1).
   *
   * Returns true if the value was added to the set, that is if it was not
   * already present.
   */
  function add(AddressSet storage set, address value) internal returns (bool) {
    return _add(set._inner, bytes32(uint256(value)));
  }

  /**
   * @dev Removes a value from a set. O(1).
   *
   * Returns true if the value was removed from the set, that is if it was
   * present.
   */
  function remove(AddressSet storage set, address value) internal returns (bool) {
    return _remove(set._inner, bytes32(uint256(value)));
  }

  /**
   * @dev Returns true if the value is in the set. O(1).
   */
  function contains(AddressSet storage set, address value) internal view returns (bool) {
    return _contains(set._inner, bytes32(uint256(value)));
  }

  /**
   * @dev Returns the number of values in the set. O(1).
   */
  function length(AddressSet storage set) internal view returns (uint256) {
    return _length(set._inner);
  }

  /**
   * @dev Returns the value stored at position `index` in the set. O(1).
   *
   * Note that there are no guarantees on the ordering of values inside the
   * array, and it may change when more values are added or removed.
   *
   * Requirements:
   *
   * - `index` must be strictly less than {length}.
   */
  function at(AddressSet storage set, uint256 index) internal view returns (address) {
    return address(uint256(_at(set._inner, index)));
  }

  /**
   * TODO Might require explicit conversion of bytes32[] to address[].
   *  Might require iteration.
   */
  function getValues( AddressSet storage set_ ) internal view returns ( address[] memory ) {

    address[] memory addressArray;

    for( uint256 iteration_ = 0; _length(set_._inner) >= iteration_; iteration_++ ){
      addressArray[iteration_] = at( set_, iteration_ );
    }

    return addressArray;
  }

  function insert(AddressSet storage set_, uint256 index_, address valueToInsert_ ) internal returns ( bool ) {
    return _insert( set_._inner, index_, bytes32(uint256(valueToInsert_)) );
  }


    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    struct UInt256Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UInt256Set storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UInt256Set storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UInt256Set storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UInt256Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UInt256Set storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }
}

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);
}

library SafeMath {

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {

        if (a == 0) {
            return 0;
        }

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

        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by 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;
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }

    function sqrrt(uint256 a) internal pure returns (uint c) {
        if (a > 3) {
            c = a;
            uint b = add( div( a, 2), 1 );
            while (b < c) {
                c = b;
                b = div( add( div( a, b ), b), 2 );
            }
        } else if (a != 0) {
            c = 1;
        }
    }

    function percentageAmount( uint256 total_, uint8 percentage_ ) internal pure returns ( uint256 percentAmount_ ) {
        return div( mul( total_, percentage_ ), 1000 );
    }

    function substractPercentage( uint256 total_, uint8 percentageToSub_ ) internal pure returns ( uint256 result_ ) {
        return sub( total_, div( mul( total_, percentageToSub_ ), 1000 ) );
    }

    function percentageOfTotal( uint256 part_, uint256 total_ ) internal pure returns ( uint256 percent_ ) {
        return div( mul(part_, 100) , total_ );
    }

    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow, so we distribute
        return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2);
    }

    function quadraticPricing( uint256 payment_, uint256 multiplier_ ) internal pure returns (uint256) {
        return sqrrt( mul( multiplier_, payment_ ) );
    }

  function bondingCurve( uint256 supply_, uint256 multiplier_ ) internal pure returns (uint256) {
      return mul( multiplier_, supply_ );
  }
}

abstract contract ERC20 is IERC20 {

  using SafeMath for uint256;

  // TODO comment actual hash value.
  bytes32 constant private ERC20TOKEN_ERC1820_INTERFACE_ID = keccak256( "ERC20Token" );
    
  // Present in ERC777
  mapping (address => uint256) internal _balances;

  // Present in ERC777
  mapping (address => mapping (address => uint256)) internal _allowances;

  // Present in ERC777
  uint256 internal _totalSupply;

  // Present in ERC777
  string internal _name;
    
  // Present in ERC777
  string internal _symbol;
    
  // Present in ERC777
  uint8 internal _decimals;

  constructor (string memory name_, string memory symbol_, uint8 decimals_) {
    _name = name_;
    _symbol = symbol_;
    _decimals = decimals_;
  }

  function name() public view returns (string memory) {
    return _name;
  }

  function symbol() public view returns (string memory) {
    return _symbol;
  }

  function decimals() public view returns (uint8) {
    return _decimals;
  }

  function totalSupply() public view override returns (uint256) {
    return _totalSupply;
  }

  function balanceOf(address account) public view virtual override returns (uint256) {
    return _balances[account];
  }

  function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
    _transfer(msg.sender, recipient, amount);
    return true;
  }

    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(msg.sender, spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, msg.sender, _allowances[sender][msg.sender]
          .sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        _approve(msg.sender, spender, _allowances[msg.sender][spender]
          .sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    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);
    }

    function _mint(address account_, uint256 amount_) internal virtual {
        require(account_ != address(0), "ERC20: mint to the zero address");
        _beforeTokenTransfer(address( this ), account_, amount_);
        _totalSupply = _totalSupply.add(amount_);
        _balances[account_] = _balances[account_].add(amount_);
        emit Transfer(address( this ), account_, amount_);
    }

    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);
    }

    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);
    }

  function _beforeTokenTransfer( address from_, address to_, uint256 amount_ ) internal virtual { }
}

library Counters {
    using SafeMath for uint256;

    struct Counter {
        uint256 _value; // default: 0
    }

    function current(Counter storage counter) internal view returns (uint256) {
        return counter._value;
    }

    function increment(Counter storage counter) internal {
        counter._value += 1;
    }

    function decrement(Counter storage counter) internal {
        counter._value = counter._value.sub(1);
    }
}

interface IERC2612Permit {

    function permit(
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    function nonces(address owner) external view returns (uint256);
}

abstract contract ERC20Permit is ERC20, IERC2612Permit {
    using Counters for Counters.Counter;

    mapping(address => Counters.Counter) private _nonces;

    // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
    bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;

    bytes32 public DOMAIN_SEPARATOR;

    constructor() {
        uint256 chainID;
        assembly {
            chainID := chainid()
        }

        DOMAIN_SEPARATOR = keccak256(
            abi.encode(
                keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
                keccak256(bytes(name())),
                keccak256(bytes("1")), // Version
                chainID,
                address(this)
            )
        );
    }

    function permit(
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual override {
        require(block.timestamp <= deadline, "Permit: expired deadline");

        bytes32 hashStruct =
            keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, amount, _nonces[owner].current(), deadline));

        bytes32 _hash = keccak256(abi.encodePacked(uint16(0x1901), DOMAIN_SEPARATOR, hashStruct));

        address signer = ecrecover(_hash, v, r, s);
        require(signer != address(0) && signer == owner, "ZeroSwapPermit: Invalid signature");

        _nonces[owner].increment();
        _approve(owner, spender, amount);
    }

    function nonces(address owner) public view override returns (uint256) {
        return _nonces[owner].current();
    }
}

interface IOwnable {
  function owner() external view returns (address);

  function renounceOwnership() external;
  
  function transferOwnership( address newOwner_ ) external;
}

contract Ownable is IOwnable {
    
  address internal _owner;

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

  constructor () {
    _owner = msg.sender;
    emit OwnershipTransferred( address(0), _owner );
  }

  function owner() public view override returns (address) {
    return _owner;
  }

  modifier onlyOwner() {
    require( _owner == msg.sender, "Ownable: caller is not the owner" );
    _;
  }

  function renounceOwnership() public virtual override onlyOwner() {
    emit OwnershipTransferred( _owner, address(0) );
    _owner = address(0);
  }

  function transferOwnership( address newOwner_ ) public virtual override onlyOwner() {
    require( newOwner_ != address(0), "Ownable: new owner is the zero address");
    emit OwnershipTransferred( _owner, newOwner_ );
    _owner = newOwner_;
  }
}

contract VaultOwned is Ownable {
    
  address internal _vault;

  function setVault( address vault_ ) external onlyOwner() returns ( bool ) {
    _vault = vault_;

    return true;
  }

  function vault() public view returns (address) {
    return _vault;
  }

  modifier onlyVault() {
    require( _vault == msg.sender, "VaultOwned: caller is not the Vault" );
    _;
  }

}

contract TimeERC20Token is ERC20Permit, VaultOwned {

    using SafeMath for uint256;

    constructor() ERC20("GalaxyGoggle", "GG", 9) {
    }

    function mint(address account_, uint256 amount_) external onlyVault() {
        _mint(account_, amount_);
    }

    function burn(uint256 amount) public virtual {
        _burn(msg.sender, amount);
    }
     
    function burnFrom(address account_, uint256 amount_) public virtual {
        _burnFrom(account_, amount_);
    }

    function _burnFrom(address account_, uint256 amount_) public virtual {
        uint256 decreasedAllowance_ =
            allowance(account_, msg.sender).sub(
                amount_,
                "ERC20: burn amount exceeds allowance"
            );

        _approve(account_, msg.sender, decreasedAllowance_);
        _burn(account_, amount_);
    }
}

Contract ABI

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{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner_","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"vault","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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Swarm Source

ipfs://d6cd4748da53e95b1d198873b783e54b2157b74bfb1f0eb7ade3f6925d4d8b45
Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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