Contract 0xDEF171Fe48CF0115B1d80b88dc8eAB59176FEe57 15

 

Contract Overview

Paraswap v5: Augustus Swapper
Balance:
0 MATIC

MATIC Value:
$0.00

Token:
 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0xec8d734306f5e5e18a273ad28e077d04f8b984bb45a0af0033e1f8b2aeebee31Simple Swap366086532022-12-09 7:01:2921 secs ago0xc0d12b84d7e43af8bcd89b99b2451738a3b6176f IN  Paraswap v5: Augustus Swapper1 MATIC0.00756793127 50.019373897
0x3157654744b905ac3efacc4b1c817a45d38cff42c4297dd894605d5d0719034fSimple Swap366086512022-12-09 7:01:2525 secs ago0xa996dcc9ce4b3333f5bbef87b64f4f2d2ac90b29 IN  Paraswap v5: Augustus Swapper0.01 MATIC0.008010738 53
0x1ed49126ee074adfb97d2fa34de64b962b75654404a51d084755fd7e8abe6cd4Simple Swap366086402022-12-09 7:01:0347 secs ago0x96ade77fe0df7f09b1d3a03fa730768235e3f385 IN  Paraswap v5: Augustus Swapper0 MATIC0.00840189351
0x998dde0be27fa8bc552e8384b44a8fa8090fe285b936e5947a8c3c0715554d67Simple Swap366086372022-12-09 7:00:5357 secs ago0x896b99d66611b15ef04c477d86419602e71cc3d6 IN  Paraswap v5: Augustus Swapper0 MATIC0.00399782 47
0xf03df6f14f52bdc9332ad4d5d47048437cf1beb4462872f7bb9cb18e8611972dSimple Swap366086362022-12-09 7:00:5159 secs ago0x5dbdbb1cd08764584acc7e746afd2bb69a543bc1 IN  Paraswap v5: Augustus Swapper0.01 MATIC0.007255008 48
0xc2334f73f6336c7bde6aaae6d085d9c7006a89ed3f5787fdc630c94b19302162Simple Swap366086352022-12-09 7:00:491 min ago0x7428d66c3a18c7ea8395205fb8cfc924157e8d49 IN  Paraswap v5: Augustus Swapper0 MATIC0.007822896 48
0xba1b48c08b845e496c1a596ed1a8e6ec911bc226438ebfd625871b746f6b1394Simple Buy366086302022-12-09 7:00:391 min ago0x518ce5c183f3ce295b3835e3b6adc0b8156e16aa IN  Paraswap v5: Augustus Swapper0.109097254004758 MATIC0.006084098217 34.406482032
0xc2c91b7d2cb6e9adac0a423a5cc885c03216f0d70471b0d7d5787c4265c85f9eSimple Swap366086242022-12-09 7:00:271 min ago0x5525e6fbfb80fa70932c130ee1550d364fee264f IN  Paraswap v5: Augustus Swapper0 MATIC0.008144291239 44.127910225
0xcd6536432d6d58269f33d83a1ecffc84040b329748a0d114ea9dab236729e39cSimple Swap366086222022-12-09 7:00:231 min ago0x7e2612f21914826972b860ad61a71e54a6ef70fb IN  Paraswap v5: Augustus Swapper0 MATIC0.008613868 46
0xd4c5ab9f534288a09e8d96e908a152e67e7fd4db19f5b6bf6acccd380195f192Multi Swap366086212022-12-09 7:00:211 min ago0x23464299393e0efc04758fbd8acba82a38048c57 IN  Paraswap v5: Augustus Swapper0 MATIC0.02629761931934.295680726
0x484914cafa462b2ee0faaa1d283c76ab8cc63e356c24c974f9e214c013f297b2Simple Swap366086182022-12-09 7:00:151 min ago0x96ade77fe0df7f09b1d3a03fa730768235e3f385 IN  Paraswap v5: Augustus Swapper3.317584509632063 MATIC0.00698988446
0x8f79d1c31843e165c7fbcd24a63be15f7dfdf2b521658eb1b81565ce4d20fcf1Simple Swap366086102022-12-09 6:59:591 min ago0x07d610cd49facac8f04ca1ee38027b5a485d07d5 IN  Paraswap v5: Augustus Swapper1 MATIC0.006616082027 43.308035893
0x284a9d7ed98218a62aa69858b03fe1e8b63185401121d1c5aa20d33cb13a58cdMega Swap366086082022-12-09 6:59:551 min ago0x5a9fea47495900f5986fe99eed9f1951c781e309 IN  Paraswap v5: Augustus Swapper0 MATIC0.02057107973 44.44812187
0x3e3934c6671bb0c5331726c7f54130a7eff339026584e1a2b3d9398cde86394aMulti Swap366086072022-12-09 6:59:531 min ago0x4b45af7ca432065533cc5243c41b3ebf1f9fa702 IN  Paraswap v5: Augustus Swapper3,530 MATIC0.021215524525 35.763875797
0xf69b92df00c589eeacc96558abc68c9c859a5663b7ddf6dd53b4662bc800e58bSimple Swap366086062022-12-09 6:59:511 min ago0x11d4c1ec2ba7024ae102dfe19bb7c64cf9c795db IN  Paraswap v5: Augustus Swapper0 MATIC0.011141962278 63.783165574
0x761eb393f6ab07ff799cffac3fd335d24ef945c099afc4a1668882a42c170dcbSimple Swap366086052022-12-09 6:59:492 mins ago0xdb7c778eed6f42292830747f8e46cb5100b07aa0 IN  Paraswap v5: Augustus Swapper0.01 MATIC0.007103862 47
0xa64b799dc96114cdaa9c0604f686f1c8d4c02bb0181b06a3dbe54293144f65e9Simple Swap366086042022-12-09 6:59:472 mins ago0xc0c3a547231ea6aebc543826bc55895b015467b3 IN  Paraswap v5: Augustus Swapper0 MATIC0.005701648033 35.11905017
0xb7e9172df85f303bac7f92a55de10db4ee349dbc936edd105b8e42bfb06af2a4Simple Swap366085972022-12-09 6:59:332 mins ago0x71e341d25e7874c462b1203c165930e0ee86a8eb IN  Paraswap v5: Augustus Swapper1 MATIC0.003655989 43
0xe3748112bf4a260df6833d41bddfcaf6ed4a514ddc271e8776fafeb241377911Simple Swap366085932022-12-09 6:59:252 mins ago0x024287d44fa11db45dfb443ecf37a7794644d258 IN  Paraswap v5: Augustus Swapper1 MATIC0.007749078 47
0xfcdd9afea21af012aa7b09b3c88e169fca74d61f60c38a345ce6e5774a337d43Simple Buy366085932022-12-09 6:59:252 mins ago0x040402e0e6086834832defacd964c3975edcccd2 IN  Paraswap v5: Augustus Swapper2.645184278499441 MATIC0.00764563147
0x1c88c356d1764a598db06d0e433c892c566ae8a444209493aa81b9d53d54f184Simple Swap366085922022-12-09 6:59:232 mins ago0x28b19e631c9485980647b8f8e2371fc072d5eaf1 IN  Paraswap v5: Augustus Swapper92 MATIC0.018475089 47
0x351c8b8017d0f4754277967e5c98506d71fe670e02d95d41001a160fd7aaa07cSimple Swap366085912022-12-09 6:59:212 mins ago0xda0486e839a97108367a00d4a217d816164c9a9e IN  Paraswap v5: Augustus Swapper0 MATIC0.016305574 46
0x1b4557431c24d52da2893056df0d61e587bdd21213cee294bb6b30808a6328dbSimple Swap366085892022-12-09 6:59:172 mins ago0xc0c3a547231ea6aebc543826bc55895b015467b3 IN  Paraswap v5: Augustus Swapper0 MATIC0.005763194816 35.498144873
0x9beb77f07312a21c0c2a1654c36c09c87e3f1881067e73c8b3a8a95d180b7c4bSimple Swap366085882022-12-09 6:59:152 mins ago0xc25dc43450d2b8a2a503de8fe1465bea79bb6ce9 IN  Paraswap v5: Augustus Swapper25 MATIC0.01324524 46
0x1fa27af8e2913a3fdddab292a5944169b19259743604093fbe064ce97e8d41c2Simple Buy366085882022-12-09 6:59:152 mins ago0x38953529c54ca374b876ad9c45a761e490575954 IN  Paraswap v5: Augustus Swapper0.105601372847067 MATIC0.00260475 46
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0xec8d734306f5e5e18a273ad28e077d04f8b984bb45a0af0033e1f8b2aeebee31366086532022-12-09 7:01:2921 secs ago Paraswap v5: Augustus Swapper 0xf3938337f7294fef84e9b2c6d548a93f956cc2811 MATIC
0x3157654744b905ac3efacc4b1c817a45d38cff42c4297dd894605d5d0719034f366086512022-12-09 7:01:2525 secs ago Paraswap v5: Augustus Swapper 0xf3938337f7294fef84e9b2c6d548a93f956cc2810.01 MATIC
0x998dde0be27fa8bc552e8384b44a8fa8090fe285b936e5947a8c3c0715554d67366086372022-12-09 7:00:5357 secs ago Paraswap v5: Augustus Swapper0x896b99d66611b15ef04c477d86419602e71cc3d60.27404575654390502 MATIC
0x998dde0be27fa8bc552e8384b44a8fa8090fe285b936e5947a8c3c0715554d67366086372022-12-09 7:00:5357 secs ago Polygon: WMATIC Token Paraswap v5: Augustus Swapper0.27404575654390502 MATIC
0xf03df6f14f52bdc9332ad4d5d47048437cf1beb4462872f7bb9cb18e8611972d366086362022-12-09 7:00:5159 secs ago Paraswap v5: Augustus Swapper 0xf3938337f7294fef84e9b2c6d548a93f956cc2810.01 MATIC
0xc2334f73f6336c7bde6aaae6d085d9c7006a89ed3f5787fdc630c94b19302162366086352022-12-09 7:00:491 min ago Paraswap v5: Augustus Swapper0x7428d66c3a18c7ea8395205fb8cfc924157e8d490.397400363378858338 MATIC
0xc2334f73f6336c7bde6aaae6d085d9c7006a89ed3f5787fdc630c94b19302162366086352022-12-09 7:00:491 min ago 0xf3938337f7294fef84e9b2c6d548a93f956cc281 Paraswap v5: Augustus Swapper0.397400363378858338 MATIC
0xba1b48c08b845e496c1a596ed1a8e6ec911bc226438ebfd625871b746f6b1394366086302022-12-09 7:00:391 min ago Paraswap v5: Augustus Swapper0x518ce5c183f3ce295b3835e3b6adc0b8156e16aa0.000542772407983873 MATIC
0xba1b48c08b845e496c1a596ed1a8e6ec911bc226438ebfd625871b746f6b1394366086302022-12-09 7:00:391 min ago Polygon: WMATIC Token Paraswap v5: Augustus Swapper0.000542772407983873 MATIC
0xba1b48c08b845e496c1a596ed1a8e6ec911bc226438ebfd625871b746f6b1394366086302022-12-09 7:00:391 min ago Paraswap v5: Augustus Swapper Polygon: WMATIC Token0.109097254004758542 MATIC
0xd4c5ab9f534288a09e8d96e908a152e67e7fd4db19f5b6bf6acccd380195f192366086212022-12-09 7:00:211 min ago Paraswap v5: Augustus Swapper0x23464299393e0efc04758fbd8acba82a38048c5757.221878609866623246 MATIC
0xd4c5ab9f534288a09e8d96e908a152e67e7fd4db19f5b6bf6acccd380195f192366086212022-12-09 7:00:211 min ago Paraswap v5: Augustus Swapper 0x8b5cf413214ca9348f047d1af402db1b4e96c0600.003786910778062661 MATIC
0xd4c5ab9f534288a09e8d96e908a152e67e7fd4db19f5b6bf6acccd380195f192366086212022-12-09 7:00:211 min ago Polygon: WMATIC Token Paraswap v5: Augustus Swapper57.225665520644685907 MATIC
0x484914cafa462b2ee0faaa1d283c76ab8cc63e356c24c974f9e214c013f297b2366086182022-12-09 7:00:151 min ago Paraswap v5: Augustus Swapper 0xf3938337f7294fef84e9b2c6d548a93f956cc2813.317584509632063966 MATIC
0x8f79d1c31843e165c7fbcd24a63be15f7dfdf2b521658eb1b81565ce4d20fcf1366086102022-12-09 6:59:591 min ago Paraswap v5: Augustus Swapper Polygon: WMATIC Token1 MATIC
0x3e3934c6671bb0c5331726c7f54130a7eff339026584e1a2b3d9398cde86394a366086072022-12-09 6:59:531 min ago Paraswap v5: Augustus Swapper Polygon: WMATIC Token564.8 MATIC
0x3e3934c6671bb0c5331726c7f54130a7eff339026584e1a2b3d9398cde86394a366086072022-12-09 6:59:531 min ago Paraswap v5: Augustus Swapper Polygon: WMATIC Token2,965.2 MATIC
0x761eb393f6ab07ff799cffac3fd335d24ef945c099afc4a1668882a42c170dcb366086052022-12-09 6:59:492 mins ago Paraswap v5: Augustus Swapper 0xf3938337f7294fef84e9b2c6d548a93f956cc2810.01 MATIC
0xb7e9172df85f303bac7f92a55de10db4ee349dbc936edd105b8e42bfb06af2a4366085972022-12-09 6:59:332 mins ago Paraswap v5: Augustus Swapper Polygon: WMATIC Token1 MATIC
0xe3748112bf4a260df6833d41bddfcaf6ed4a514ddc271e8776fafeb241377911366085932022-12-09 6:59:252 mins ago Paraswap v5: Augustus Swapper 0xf3938337f7294fef84e9b2c6d548a93f956cc2811 MATIC
0xfcdd9afea21af012aa7b09b3c88e169fca74d61f60c38a345ce6e5774a337d43366085932022-12-09 6:59:252 mins ago Paraswap v5: Augustus Swapper 0xf3938337f7294fef84e9b2c6d548a93f956cc2812.645184278499441361 MATIC
0x1c88c356d1764a598db06d0e433c892c566ae8a444209493aa81b9d53d54f184366085922022-12-09 6:59:232 mins ago Paraswap v5: Augustus Swapper Polygon: WMATIC Token92 MATIC
0x9beb77f07312a21c0c2a1654c36c09c87e3f1881067e73c8b3a8a95d180b7c4b366085882022-12-09 6:59:152 mins ago Paraswap v5: Augustus Swapper 0xf3938337f7294fef84e9b2c6d548a93f956cc28125 MATIC
0x1fa27af8e2913a3fdddab292a5944169b19259743604093fbe064ce97e8d41c2366085882022-12-09 6:59:152 mins ago Paraswap v5: Augustus Swapper 0xf3938337f7294fef84e9b2c6d548a93f956cc2810.105601372847067291 MATIC
0x10651782e9169af22a883aa58af375326c0c98d76254b1eee46964d9da682388366085872022-12-09 6:59:132 mins ago Paraswap v5: Augustus Swapper Polygon: WMATIC Token0.5 MATIC
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Contract Source Code Verified (Exact Match)

Contract Name:
AugustusSwapper

Compiler Version
v0.7.5+commit.eb77ed08

Optimization Enabled:
Yes with 1000000 runs

Other Settings:
default evmVersion
File 1 of 1 : AugustusSwapper.sol
// File: openzeppelin-solidity/contracts/utils/EnumerableSet.sol



pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
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];
    }

    // Bytes32Set

    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 in 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);
    }

    // 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)));
    }


    // 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));
    }
}

// File: openzeppelin-solidity/contracts/utils/Address.sol



pragma solidity >=0.6.2 <0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

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

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

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

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

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

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

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

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

// File: openzeppelin-solidity/contracts/GSN/Context.sol



pragma solidity >=0.6.0 <0.8.0;

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

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

// File: openzeppelin-solidity/contracts/access/AccessControl.sol



pragma solidity >=0.6.0 <0.8.0;




/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context {
    using EnumerableSet for EnumerableSet.AddressSet;
    using Address for address;

    struct RoleData {
        EnumerableSet.AddressSet members;
        bytes32 adminRole;
    }

    mapping (bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view returns (bool) {
        return _roles[role].members.contains(account);
    }

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) public view returns (uint256) {
        return _roles[role].members.length();
    }

    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) public view returns (address) {
        return _roles[role].members.at(index);
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) public virtual {
        require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to grant");

        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) public virtual {
        require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to revoke");

        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) public virtual {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        emit RoleAdminChanged(role, _roles[role].adminRole, adminRole);
        _roles[role].adminRole = adminRole;
    }

    function _grantRole(bytes32 role, address account) private {
        if (_roles[role].members.add(account)) {
            emit RoleGranted(role, account, _msgSender());
        }
    }

    function _revokeRole(bytes32 role, address account) private {
        if (_roles[role].members.remove(account)) {
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

// File: openzeppelin-solidity/contracts/token/ERC20/IERC20.sol



pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// File: openzeppelin-solidity/contracts/math/SafeMath.sol



pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

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

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

        return c;
    }

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

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

        return c;
    }

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

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

        return c;
    }

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

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

// File: openzeppelin-solidity/contracts/token/ERC20/SafeERC20.sol



pragma solidity >=0.6.0 <0.8.0;




/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using SafeMath for uint256;
    using Address for address;

    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        // solhint-disable-next-line max-line-length
        require((value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).add(value);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) { // Return data is optional
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// File: original_contracts/routers/IRouter.sol

pragma solidity 0.7.5;

interface IRouter {

    /**
    * @dev Certain routers/exchanges needs to be initialized.
    * This method will be called from Augustus
    */
    function initialize(bytes calldata data) external;

    /**
    * @dev Returns unique identifier for the router
    */
    function getKey() external pure returns(bytes32);

    event Swapped(
        bytes16 uuid,
        address initiator,
        address indexed beneficiary,
        address indexed srcToken,
        address indexed destToken,
        uint256 srcAmount,
        uint256 receivedAmount,
        uint256 expectedAmount
    );

    event Bought(
        bytes16 uuid,
        address initiator,
        address indexed beneficiary,
        address indexed srcToken,
        address indexed destToken,
        uint256 srcAmount,
        uint256 receivedAmount
    );

    event FeeTaken(
        uint256 fee,
        uint256 partnerShare,
        uint256 paraswapShare
    );
}

// File: original_contracts/ITokenTransferProxy.sol

pragma solidity 0.7.5;


interface ITokenTransferProxy {

    function transferFrom(
        address token,
        address from,
        address to,
        uint256 amount
    )
        external;
}

// File: original_contracts/lib/Utils.sol

pragma solidity 0.7.5;
pragma experimental ABIEncoderV2;





interface IERC20Permit {
    function permit(address owner, address spender, uint256 amount, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external;
}

library Utils {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

    address constant ETH_ADDRESS = address(
        0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE
    );
    
    uint256 constant MAX_UINT = type(uint256).max;

    /**
   * @param fromToken Address of the source token
   * @param fromAmount Amount of source tokens to be swapped
   * @param toAmount Minimum destination token amount expected out of this swap
   * @param expectedAmount Expected amount of destination tokens without slippage
   * @param beneficiary Beneficiary address
   * 0 then 100% will be transferred to beneficiary. Pass 10000 for 100%
   * @param path Route to be taken for this swap to take place

   */
    struct SellData {
        address fromToken;
        uint256 fromAmount;
        uint256 toAmount;
        uint256 expectedAmount;
        address payable beneficiary;
        Utils.Path[] path;
        address payable partner;
        uint256 feePercent;
        bytes permit;
        uint256 deadline;
        bytes16 uuid;
    }

    struct MegaSwapSellData {
        address fromToken;
        uint256 fromAmount;
        uint256 toAmount;
        uint256 expectedAmount;
        address payable beneficiary;
        Utils.MegaSwapPath[] path;
        address payable partner;
        uint256 feePercent;
        bytes permit;
        uint256 deadline;
        bytes16 uuid;
    }

    struct SimpleData {
        address fromToken;
        address toToken;
        uint256 fromAmount;
        uint256 toAmount;
        uint256 expectedAmount;
        address[] callees;
        bytes exchangeData;
        uint256[] startIndexes;
        uint256[] values;
        address payable beneficiary;
        address payable partner;
        uint256 feePercent;
        bytes permit;
        uint256 deadline;
        bytes16 uuid;
    }

    struct Adapter {
        address payable adapter;
        uint256 percent;
        uint256 networkFee;
        Route[] route;
    }

    struct Route {
        uint256 index;//Adapter at which index needs to be used
        address targetExchange;
        uint percent;
        bytes payload;
        uint256 networkFee;//Network fee is associated with 0xv3 trades
    }

    struct MegaSwapPath {
        uint256 fromAmountPercent;
        Path[] path;
    }

    struct Path {
        address to;
        uint256 totalNetworkFee;//Network fee is associated with 0xv3 trades
        Adapter[] adapters;
    }

    function ethAddress() internal pure returns (address) {return ETH_ADDRESS;}

    function maxUint() internal pure returns (uint256) {return MAX_UINT;}

    function approve(
        address addressToApprove,
        address token,
        uint256 amount
    ) internal {
        if (token != ETH_ADDRESS) {
            IERC20 _token = IERC20(token);

            uint allowance = _token.allowance(address(this), addressToApprove);

            if (allowance < amount) {
                _token.safeApprove(addressToApprove, 0);
                _token.safeIncreaseAllowance(addressToApprove, MAX_UINT);
            }
        }
    }

    function transferTokens(
        address token,
        address payable destination,
        uint256 amount
    )
    internal
    {
        if (amount > 0) {
            if (token == ETH_ADDRESS) {
                (bool result, ) = destination.call{value: amount, gas: 10000}("");
                require(result, "Failed to transfer Ether");
            }
            else {
                IERC20(token).safeTransfer(destination, amount);
            }
        }

    }

    function tokenBalance(
        address token,
        address account
    )
    internal
    view
    returns (uint256)
    {
        if (token == ETH_ADDRESS) {
            return account.balance;
        } else {
            return IERC20(token).balanceOf(account);
        }
    }

    function permit(
        address token,
        bytes memory permit
    )
        internal
    {
        if (permit.length == 32 * 7) {
            (bool success,) = token.call(abi.encodePacked(IERC20Permit.permit.selector, permit));
            require(success, "Permit failed");
        }
    }

}

// File: original_contracts/adapters/IAdapter.sol

pragma solidity 0.7.5;



interface IAdapter {

    /**
    * @dev Certain adapters needs to be initialized.
    * This method will be called from Augustus
    */
    function initialize(bytes calldata data) external;

    /**
   * @dev The function which performs the swap on an exchange.
   * @param fromToken Address of the source token
   * @param toToken Address of the destination token
   * @param fromAmount Amount of source tokens to be swapped
   * @param networkFee Network fee to be used in this router
   * @param route Route to be followed
   */
    function swap(
        IERC20 fromToken,
        IERC20 toToken,
        uint256 fromAmount,
        uint256 networkFee,
        Utils.Route[] calldata route
    )
        external
        payable;
}

// File: openzeppelin-solidity/contracts/access/Ownable.sol



pragma solidity >=0.6.0 <0.8.0;

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

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

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

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

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

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

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

// File: original_contracts/TokenTransferProxy.sol

pragma solidity 0.7.5;







/**
* @dev Allows owner of the contract to transfer tokens on behalf of user.
* User will need to approve this contract to spend tokens on his/her behalf
* on Paraswap platform
*/
contract TokenTransferProxy is Ownable, ITokenTransferProxy {
    using SafeERC20 for IERC20;
    using Address for address;

    /**
    * @dev Allows owner of the contract to transfer tokens on user's behalf
    * @dev Swapper contract will be the owner of this contract
    * @param token Address of the token
    * @param from Address from which tokens will be transferred
    * @param to Receipent address of the tokens
    * @param amount Amount of tokens to transfer
    */
    function transferFrom(
        address token,
        address from,
        address to,
        uint256 amount
    )
        external
        override
        onlyOwner
    {   
        require(
            from == tx.origin ||
            from.isContract(),
            "Invalid from address"
        );
        
        IERC20(token).safeTransferFrom(from, to, amount);
    }
}

// File: original_contracts/AugustusStorage.sol

pragma solidity 0.7.5;


contract AugustusStorage {

    struct FeeStructure {
        uint256 partnerShare;
        bool noPositiveSlippage;
        bool positiveSlippageToUser;
        uint16 feePercent;
        string partnerId;
        bytes data;
    }

    ITokenTransferProxy internal tokenTransferProxy;
    address payable internal feeWallet;
    
    mapping(address => FeeStructure) internal registeredPartners;

    mapping (bytes4 => address) internal selectorVsRouter;
    mapping (bytes32 => bool) internal adapterInitialized;
    mapping (bytes32 => bytes) internal adapterVsData;

    mapping (bytes32 => bytes) internal routerData;
    mapping (bytes32 => bool) internal routerInitialized;


    bytes32 public constant WHITELISTED_ROLE = keccak256("WHITELISTED_ROLE");

    bytes32 public constant ROUTER_ROLE = keccak256("ROUTER_ROLE");

}

// File: original_contracts/AugustusSwapper.sol

pragma solidity 0.7.5;










contract AugustusSwapper is AugustusStorage, AccessControl {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

    event AdapterInitialized(address indexed adapter);

    event RouterInitialized(address indexed router);

    /**
     * @dev Throws if called by any account other than the admin.
     */
    modifier onlyAdmin() {
        require(hasRole(DEFAULT_ADMIN_ROLE, msg.sender), "caller is not the admin");
        _;
    }

    constructor(address payable _feeWallet) public {
        TokenTransferProxy lTokenTransferProxy = new TokenTransferProxy();
        tokenTransferProxy = ITokenTransferProxy(lTokenTransferProxy);
        feeWallet = _feeWallet;
        _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);
    }
    
    receive () payable external {

    }

    fallback() external payable {
        bytes4 selector = msg.sig;
        //Figure out the router contract for the given function
        address implementation = getImplementation(selector);
        if (implementation == address(0)) {
            _revertWithData(
                abi.encodeWithSelector(
                    bytes4(keccak256("NotImplementedError(bytes4)")),
                    selector
                )
            );
        }

        //Delegate call to the router
        (bool success, bytes memory resultData) = implementation.delegatecall(msg.data);
        if (!success) {
            _revertWithData(resultData);
        }

        _returnWithData(resultData);
    }

    function initializeAdapter(address adapter, bytes calldata data) external onlyAdmin {

        require(
            hasRole(WHITELISTED_ROLE, adapter),
            "Exchange not whitelisted"
        );
        (bool success,) = adapter.delegatecall(abi.encodeWithSelector(IAdapter.initialize.selector, data));
        require(success, "Failed to initialize adapter");
        emit AdapterInitialized(adapter);
    }

    function initializeRouter(address router, bytes calldata data) external onlyAdmin {

        require(
            hasRole(ROUTER_ROLE, router),
            "Router not whitelisted"
        );
        (bool success,) = router.delegatecall(abi.encodeWithSelector(IRouter.initialize.selector, data));
        require(success, "Failed to initialize router");
        emit RouterInitialized(router);
    } 

    
    function getImplementation(bytes4 selector) public view returns(address) {
        return selectorVsRouter[selector];
    }

    function getVersion() external pure returns(string memory) {
        return "5.0.0";
    }

    function getPartnerFeeStructure(address partner) public view returns (FeeStructure memory) {
        return registeredPartners[partner];
    }

    function getFeeWallet() external view returns(address) {
        return feeWallet;
    }

    function setFeeWallet(address payable _feeWallet) external onlyAdmin {
        require(_feeWallet != address(0), "Invalid address");
        feeWallet = _feeWallet;
    }

    function registerPartner(
        address partner,
        uint256 _partnerShare,
        bool _noPositiveSlippage,
        bool _positiveSlippageToUser,
        uint16 _feePercent,
        string calldata partnerId,
        bytes calldata _data
    )
        external
        onlyAdmin
    {   
        require(partner != address(0), "Invalid partner");
        FeeStructure storage feeStructure = registeredPartners[partner];
        require(feeStructure.partnerShare == 0, "Already registered");
        require(_partnerShare > 0 && _partnerShare < 10000, "Invalid values");
        require(_feePercent <= 10000, "Invalid values");

        feeStructure.partnerShare = _partnerShare;
        feeStructure.noPositiveSlippage = _noPositiveSlippage;
        feeStructure.positiveSlippageToUser = _positiveSlippageToUser;
        feeStructure.partnerId = partnerId;
        feeStructure.feePercent = _feePercent;
        feeStructure.data = _data;
    }

    function setImplementation(bytes4 selector, address implementation) external onlyAdmin {
        require(
            hasRole(ROUTER_ROLE, implementation),
            "Router is not whitelisted"
        );
        selectorVsRouter[selector] = implementation;
    }

    /**
    * @dev Allows admin of the contract to transfer any tokens which are assigned to the contract
    * This method is for safety if by any chance tokens or ETHs are assigned to the contract by mistake
    * @dev token Address of the token to be transferred
    * @dev destination Recepient of the token
    * @dev amount Amount of tokens to be transferred
    */
    function transferTokens(
        address token,
        address payable destination,
        uint256 amount
    )
        external
        onlyAdmin
    {
        if (amount > 0) {
            if (token == address(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)) {
                (bool result, ) = destination.call{value: amount, gas: 10000}("");
                require(result, "Failed to transfer Ether");
            }
            else {
                IERC20(token).safeTransfer(destination, amount);
            }
        }
    }

      function isAdapterInitialized(bytes32 key) public view returns(bool) {
        return adapterInitialized[key];
    }

    function getAdapterData(bytes32 key) public view returns(bytes memory) {
        return adapterVsData[key];
    }

    function isRouterInitialized(bytes32 key) public view returns (bool) {
        return routerInitialized[key];
    }

    function getRouterData(bytes32 key) public view returns (bytes memory) {
        return routerData[key];
    }

    function getTokenTransferProxy() public view returns (address) {
        return address(tokenTransferProxy);
    }

    function _revertWithData(bytes memory data) private pure {
        assembly { revert(add(data, 32), mload(data)) }
    }

    function _returnWithData(bytes memory data) private pure {
        assembly { return(add(data, 32), mload(data)) }
    }

}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

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payable","name":"_feeWallet","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"adapter","type":"address"}],"name":"AdapterInitialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"router","type":"address"}],"name":"RouterInitialized","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ROUTER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"WHITELISTED_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"key","type":"bytes32"}],"name":"getAdapterData","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getFeeWallet","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"selector","type":"bytes4"}],"name":"getImplementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"partner","type":"address"}],"name":"getPartnerFeeStructure","outputs":[{"components":[{"internalType":"uint256","name":"partnerShare","type":"uint256"},{"internalType":"bool","name":"noPositiveSlippage","type":"bool"},{"internalType":"bool","name":"positiveSlippageToUser","type":"bool"},{"internalType":"uint16","name":"feePercent","type":"uint16"},{"internalType":"string","name":"partnerId","type":"string"},{"internalType":"bytes","name":"data","type":"bytes"}],"internalType":"struct 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payable","name":"_feeWallet","type":"address"}],"name":"setFeeWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"selector","type":"bytes4"},{"internalType":"address","name":"implementation","type":"address"}],"name":"setImplementation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address payable","name":"destination","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000007f0af2bdfccbfdb0704dcc155f4a9453d2097289

-----Decoded View---------------
Arg [0] : _feeWallet (address): 0x7f0af2bdfccbfdb0704dcc155f4a9453d2097289

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000007f0af2bdfccbfdb0704dcc155f4a9453d2097289


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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