Contract 0xa206a0531299821294a9bba48726022d429c6892

 
Txn Hash Method
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0xe92b0902396b98d44fc485900a699971e3cc62e883b3f42cf2d06fac6a927002Withdraw322463922022-10-24 16:16:57520 days 19 hrs ago0x58b74255a98fd37076a2a246f5052c26adf43563 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.00005991 0.1
0xe22be49cbe914670945c06e0bc786c1b1e0651e121fd242eeed83f4aa3e50edaWithdraw151138112022-06-19 21:42:34647 days 14 hrs ago0xdbb6a390123be619102728f4dd14d2375801355a IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.00015586982 ETH0.343262084
0x7d8a1db372e5916b2f76072791dbf5d709a8d540756476dee13e0ef763a6a744Withdraw146218752022-06-14 16:20:06652 days 19 hrs ago0x0d0bc126cc9320a5e30bd8d57fcd2ffcadd6d340 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000266071185 ETH0.585923079
0x9ad3d34f274219dd654007feefbb273d21db1c855f4a23324e5579032d5aad2dWithdraw128789342022-05-24 19:25:07673 days 16 hrs ago0x48e92b8e69ce97e4a457a13650d2335153458d97 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000169903838 ETH0.373034616
0xe8619eedc41183d6bbf826f0f9500c43ca82c7833210871929ba6cd7719d30deWithdraw122680572022-05-17 1:13:18681 days 10 hrs ago0xa943681cf687774c2d44aab6aeb7d8c701fb7cbb IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.00012760361 ETH0.28014334
0xb91f38513eb2baa751ccb972e49d71f4b922d69e056b16ef3a205cca70a28c45Withdraw120152772022-05-14 1:54:53684 days 10 hrs ago0xc4d72aee8446aea5d0975e8ec1826fe2738e3872 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000326580469 ETH0.719183415
0xc3c4c30dbf9ae097f00df9d75ffbe8aac93bc54b4f2675b9d1cf0a200a6632f4Withdraw119992352022-05-13 19:08:56684 days 16 hrs ago0x30e9d75ab4e584798d617e5ebaf0b465fe3a0123 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000445048794 ETH0.980069973
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0x38a24e45d6df98755d807ef7d64ec9386d5f0eb56e8eef46c9f3b610147b191fWithdraw117188392022-05-10 17:18:50687 days 18 hrs ago0x80fb5880f38185661962e475ac1557817dc9faea IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000352623361 ETH0.694393354
0x4c5bbde0d457e97941f4a2d52bd6ee4052fb0e45c16f99f1c91b3adbc152ccd3Withdraw116957492022-05-10 11:56:27688 days 6 mins ago0xde13737d3ecce9e39f4cd3206f4692f0c20435a1 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000316276729 ETH0.694393354
0x5277d7826516dbd1f9988679078d14692ce4522034ccc84350ffc1c124755d5bWithdraw116125422022-05-09 15:23:17688 days 20 hrs ago0x380886e656ce40bd145a9fb85ac7e3dc51d5ee8b IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.00012876669 ETH0.283569607
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0x1c3cc89547dc48e51f4cbb46880d485e2f12f471042bcd28363024e84cb558eaWithdraw114235672022-05-07 15:07:32690 days 20 hrs ago0xacbd1a0b74377a9b285ff285302a613553630eb8 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000160839628 ETH0.353128918
0xed346353c3de70abbb0d42feb366bae97f4446e1b6f089fea4f2cb3b4abbf463Withdraw113737542022-05-07 1:26:42691 days 10 hrs ago0x850181048d79da108e8cb4ab5b00993755930d11 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000190515858 ETH0.419553434
0x723d3a68d276bcba4bfe004042b8859bb3901d0a4f6956f43e9b4e535d52a415Withdraw113737362022-05-07 1:25:57691 days 10 hrs ago0x850181048d79da108e8cb4ab5b00993755930d11 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000189360407 ETH0.419553434
0xd0afb59169f43918c49c72b01a6e0a85076f510dd0718aaca6ebb2105bb976a7Withdraw112714482022-05-05 18:54:22692 days 17 hrs ago0x12888b8a332452c912b84d85ee1eb6200e56a209 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000307933713 ETH0.673357329
0xb1cd121f1149f67178baae645f9071d1c53fa87e6ab40e2c5e98b3e0c35f55c9Withdraw112466952022-05-05 11:52:18693 days 10 mins ago0xcc3c15da0f598711cea394460653540ef97ff99e IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000229802968 ETH0.504005826
0x128631a4b0f5fc0ecb4b7fe5cb6e03d50e463d8cd34eaaa2442d7479e284b3d6Withdraw112462912022-05-05 11:45:22693 days 17 mins ago0xc38973b429d4e9ad1ba5dff73d82b0f4a0e45b65 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000228856949 ETH0.504005826
0x68a1e2e6ec6a7fb99b4154836e93b20b1e8a6c98536fde9e27ee9d664f8120f8Withdraw112260082022-05-05 6:09:56693 days 5 hrs ago0xc9c9077be44b06ff3ce957d72149c65128f14331 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000263027376 ETH0.576901716
0x5cddeb1d3202d6ebbf17e77b62eac062292ada45700a8a72de8b58d2310f2c79Withdraw112223622022-05-05 4:45:25693 days 7 hrs ago0x5b7ad20cc58d6b751922af75dd9cdaad8bdfd3f4 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000287462411 ETH0.630485748
0xb65332e111f253e0c6ee2ffcb5a89406ede7682b30b2418b3d07627df3ebf4faWithdraw112124312022-05-05 0:08:25693 days 11 hrs ago0x0e6aa54f683dffc3d6bdb4057bdb47cbc18975e7 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000249151449 ETH0.546475835
0xbf966bad1b47e1a83c758d606f67f7504c40661d4e2375e36f6df881e76a4aebWithdraw112124212022-05-05 0:08:25693 days 11 hrs ago0x0e6aa54f683dffc3d6bdb4057bdb47cbc18975e7 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000249150902 ETH0.546475835
0x24602fe4e6da56d1d962cecc6382d7978c20ebf641e11384f5377cf32d5fa450Withdraw112096632022-05-04 22:55:58693 days 13 hrs ago0x73b3b30c1454b40b4eed4eed50f542b6df8f87f1 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.000248149758 ETH0.546475835
0xf8a7ece6406eb017064e896912b912c5cdadb035eae7b1de903cc9acbbcade0dWithdraw112087172022-05-04 22:30:37693 days 13 hrs ago0x8b4dd9cb3ba5e2e8350495e739a825f0f3490cb8 IN  0xa206a0531299821294a9bba48726022d429c68920 ETH0.00024915582 ETH0.546475835
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0xe92b0902396b98d44fc485900a699971e3cc62e883b3f42cf2d06fac6a927002322463922022-10-24 16:16:57520 days 19 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0xe22be49cbe914670945c06e0bc786c1b1e0651e121fd242eeed83f4aa3e50eda151138112022-06-19 21:42:34647 days 14 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0x7d8a1db372e5916b2f76072791dbf5d709a8d540756476dee13e0ef763a6a744146218752022-06-14 16:20:06652 days 19 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0x9ad3d34f274219dd654007feefbb273d21db1c855f4a23324e5579032d5aad2d128789342022-05-24 19:25:07673 days 16 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0xe8619eedc41183d6bbf826f0f9500c43ca82c7833210871929ba6cd7719d30de122680572022-05-17 1:13:18681 days 10 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 0xeec2be5c91ae7f8a338e1e5f3b5de49d07afdc810 ETH
0xe8619eedc41183d6bbf826f0f9500c43ca82c7833210871929ba6cd7719d30de122680572022-05-17 1:13:18681 days 10 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0xb91f38513eb2baa751ccb972e49d71f4b922d69e056b16ef3a205cca70a28c45120152772022-05-14 1:54:53684 days 10 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 0xeec2be5c91ae7f8a338e1e5f3b5de49d07afdc810 ETH
0xb91f38513eb2baa751ccb972e49d71f4b922d69e056b16ef3a205cca70a28c45120152772022-05-14 1:54:53684 days 10 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0xc3c4c30dbf9ae097f00df9d75ffbe8aac93bc54b4f2675b9d1cf0a200a6632f4119992352022-05-13 19:08:56684 days 16 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 0xeec2be5c91ae7f8a338e1e5f3b5de49d07afdc810 ETH
0xc3c4c30dbf9ae097f00df9d75ffbe8aac93bc54b4f2675b9d1cf0a200a6632f4119992352022-05-13 19:08:56684 days 16 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0x2746abd547cec59494a3ea52f83ba7e45b2f647a0d51c61be303af105ebee08a119985772022-05-13 18:53:53684 days 17 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 0xeec2be5c91ae7f8a338e1e5f3b5de49d07afdc810 ETH
0x2746abd547cec59494a3ea52f83ba7e45b2f647a0d51c61be303af105ebee08a119985772022-05-13 18:53:53684 days 17 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0xf98cd10fa21301b05264e6ea03a29db4b2d8a1fc138993f9cee83a0a41c8cf24118079592022-05-11 15:07:29686 days 20 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 0xeec2be5c91ae7f8a338e1e5f3b5de49d07afdc810 ETH
0xf98cd10fa21301b05264e6ea03a29db4b2d8a1fc138993f9cee83a0a41c8cf24118079592022-05-11 15:07:29686 days 20 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0x38a24e45d6df98755d807ef7d64ec9386d5f0eb56e8eef46c9f3b610147b191f117188392022-05-10 17:18:50687 days 18 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 0xeec2be5c91ae7f8a338e1e5f3b5de49d07afdc810 ETH
0x38a24e45d6df98755d807ef7d64ec9386d5f0eb56e8eef46c9f3b610147b191f117188392022-05-10 17:18:50687 days 18 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0x4c5bbde0d457e97941f4a2d52bd6ee4052fb0e45c16f99f1c91b3adbc152ccd3116957492022-05-10 11:56:27688 days 6 mins ago 0xa206a0531299821294a9bba48726022d429c6892 0xeec2be5c91ae7f8a338e1e5f3b5de49d07afdc810 ETH
0x4c5bbde0d457e97941f4a2d52bd6ee4052fb0e45c16f99f1c91b3adbc152ccd3116957492022-05-10 11:56:27688 days 6 mins ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0x5277d7826516dbd1f9988679078d14692ce4522034ccc84350ffc1c124755d5b116125422022-05-09 15:23:17688 days 20 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 0xeec2be5c91ae7f8a338e1e5f3b5de49d07afdc810 ETH
0x5277d7826516dbd1f9988679078d14692ce4522034ccc84350ffc1c124755d5b116125422022-05-09 15:23:17688 days 20 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0x2e03351f7972dfb15cf996de943f2e49b9e31f7b159988ed9c02f9f259ba5656116051272022-05-09 13:57:52688 days 22 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 0xeec2be5c91ae7f8a338e1e5f3b5de49d07afdc810 ETH
0x2e03351f7972dfb15cf996de943f2e49b9e31f7b159988ed9c02f9f259ba5656116051272022-05-09 13:57:52688 days 22 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0x1c3cc89547dc48e51f4cbb46880d485e2f12f471042bcd28363024e84cb558ea114235672022-05-07 15:07:32690 days 20 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 0xeec2be5c91ae7f8a338e1e5f3b5de49d07afdc810 ETH
0x1c3cc89547dc48e51f4cbb46880d485e2f12f471042bcd28363024e84cb558ea114235672022-05-07 15:07:32690 days 20 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 Dopex: rDPX Token0 ETH
0xed346353c3de70abbb0d42feb366bae97f4446e1b6f089fea4f2cb3b4abbf463113737542022-05-07 1:26:42691 days 10 hrs ago 0xa206a0531299821294a9bba48726022d429c6892 0xeec2be5c91ae7f8a338e1e5f3b5de49d07afdc810 ETH
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This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.

Contract Source Code Verified (Exact Match)

Contract Name:
RdpxSSOVV2

Compiler Version
v0.8.9+commit.e5eed63a

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, Unlicense license
File 1 of 34 : AccessControlEnumerableUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (access/AccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "./IAccessControlEnumerableUpgradeable.sol";
import "./AccessControlUpgradeable.sol";
import "../utils/structs/EnumerableSetUpgradeable.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Extension of {AccessControl} that allows enumerating the members of each role.
 */
abstract contract AccessControlEnumerableUpgradeable is Initializable, IAccessControlEnumerableUpgradeable, AccessControlUpgradeable {
    function __AccessControlEnumerable_init() internal initializer {
        __Context_init_unchained();
        __ERC165_init_unchained();
        __AccessControl_init_unchained();
        __AccessControlEnumerable_init_unchained();
    }

    function __AccessControlEnumerable_init_unchained() internal initializer {
    }
    using EnumerableSetUpgradeable for EnumerableSetUpgradeable.AddressSet;

    mapping(bytes32 => EnumerableSetUpgradeable.AddressSet) private _roleMembers;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControlEnumerableUpgradeable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @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 override returns (address) {
        return _roleMembers[role].at(index);
    }

    /**
     * @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 override returns (uint256) {
        return _roleMembers[role].length();
    }

    /**
     * @dev Overload {_grantRole} to track enumerable memberships
     */
    function _grantRole(bytes32 role, address account) internal virtual override {
        super._grantRole(role, account);
        _roleMembers[role].add(account);
    }

    /**
     * @dev Overload {_revokeRole} to track enumerable memberships
     */
    function _revokeRole(bytes32 role, address account) internal virtual override {
        super._revokeRole(role, account);
        _roleMembers[role].remove(account);
    }
    uint256[49] private __gap;
}

File 2 of 34 : AccessControlUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (access/AccessControl.sol)

pragma solidity ^0.8.0;

import "./IAccessControlUpgradeable.sol";
import "../utils/ContextUpgradeable.sol";
import "../utils/StringsUpgradeable.sol";
import "../utils/introspection/ERC165Upgradeable.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * 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 AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {
    function __AccessControl_init() internal initializer {
        __Context_init_unchained();
        __ERC165_init_unchained();
        __AccessControl_init_unchained();
    }

    function __AccessControl_init_unchained() internal initializer {
    }
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role, _msgSender());
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId);
    }

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

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        StringsUpgradeable.toHexString(uint160(account), 20),
                        " is missing role ",
                        StringsUpgradeable.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @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 override 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 override onlyRole(getRoleAdmin(role)) {
        _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 override onlyRole(getRoleAdmin(role)) {
        _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 revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        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}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    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 {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
    uint256[49] private __gap;
}

File 3 of 34 : IAccessControlEnumerableUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (access/IAccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "./IAccessControlUpgradeable.sol";

/**
 * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
 */
interface IAccessControlEnumerableUpgradeable is IAccessControlUpgradeable {
    /**
     * @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) external view returns (address);

    /**
     * @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) external view returns (uint256);
}

File 4 of 34 : IAccessControlUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControlUpgradeable {
    /**
     * @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 {AccessControl-_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) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @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) external;

    /**
     * @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) external;

    /**
     * @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) external;
}

File 5 of 34 : Initializable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (proxy/utils/Initializable.sol)

pragma solidity ^0.8.0;

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the
 * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() initializer {}
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     */
    bool private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Modifier to protect an initializer function from being invoked twice.
     */
    modifier initializer() {
        require(_initializing || !_initialized, "Initializable: contract is already initialized");

        bool isTopLevelCall = !_initializing;
        if (isTopLevelCall) {
            _initializing = true;
            _initialized = true;
        }

        _;

        if (isTopLevelCall) {
            _initializing = false;
        }
    }
}

File 6 of 34 : PausableUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract PausableUpgradeable is Initializable, ContextUpgradeable {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

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

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    function __Pausable_init() internal initializer {
        __Context_init_unchained();
        __Pausable_init_unchained();
    }

    function __Pausable_init_unchained() internal initializer {
        _paused = false;
    }

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

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

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

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
    uint256[49] private __gap;
}

File 7 of 34 : ERC20Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC20/ERC20.sol)

pragma solidity ^0.8.0;

import "./IERC20Upgradeable.sol";
import "./extensions/IERC20MetadataUpgradeable.sol";
import "../../utils/ContextUpgradeable.sol";
import "../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20Upgradeable, IERC20MetadataUpgradeable {
    mapping(address => uint256) private _balances;

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

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    function __ERC20_init(string memory name_, string memory symbol_) internal initializer {
        __Context_init_unchained();
        __ERC20_init_unchained(name_, symbol_);
    }

    function __ERC20_init_unchained(string memory name_, string memory symbol_) internal initializer {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

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

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

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

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
    uint256[45] private __gap;
}

File 8 of 34 : IERC20Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20Upgradeable {
    /**
     * @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 9 of 34 : ERC20BurnableUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC20/extensions/ERC20Burnable.sol)

pragma solidity ^0.8.0;

import "../ERC20Upgradeable.sol";
import "../../../utils/ContextUpgradeable.sol";
import "../../../proxy/utils/Initializable.sol";

/**
 * @dev Extension of {ERC20} that allows token holders to destroy both their own
 * tokens and those that they have an allowance for, in a way that can be
 * recognized off-chain (via event analysis).
 */
abstract contract ERC20BurnableUpgradeable is Initializable, ContextUpgradeable, ERC20Upgradeable {
    function __ERC20Burnable_init() internal initializer {
        __Context_init_unchained();
        __ERC20Burnable_init_unchained();
    }

    function __ERC20Burnable_init_unchained() internal initializer {
    }
    /**
     * @dev Destroys `amount` tokens from the caller.
     *
     * See {ERC20-_burn}.
     */
    function burn(uint256 amount) public virtual {
        _burn(_msgSender(), amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, deducting from the caller's
     * allowance.
     *
     * See {ERC20-_burn} and {ERC20-allowance}.
     *
     * Requirements:
     *
     * - the caller must have allowance for ``accounts``'s tokens of at least
     * `amount`.
     */
    function burnFrom(address account, uint256 amount) public virtual {
        uint256 currentAllowance = allowance(account, _msgSender());
        require(currentAllowance >= amount, "ERC20: burn amount exceeds allowance");
        unchecked {
            _approve(account, _msgSender(), currentAllowance - amount);
        }
        _burn(account, amount);
    }
    uint256[50] private __gap;
}

File 10 of 34 : ERC20PausableUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC20/extensions/ERC20Pausable.sol)

pragma solidity ^0.8.0;

import "../ERC20Upgradeable.sol";
import "../../../security/PausableUpgradeable.sol";
import "../../../proxy/utils/Initializable.sol";

/**
 * @dev ERC20 token with pausable token transfers, minting and burning.
 *
 * Useful for scenarios such as preventing trades until the end of an evaluation
 * period, or having an emergency switch for freezing all token transfers in the
 * event of a large bug.
 */
abstract contract ERC20PausableUpgradeable is Initializable, ERC20Upgradeable, PausableUpgradeable {
    function __ERC20Pausable_init() internal initializer {
        __Context_init_unchained();
        __Pausable_init_unchained();
        __ERC20Pausable_init_unchained();
    }

    function __ERC20Pausable_init_unchained() internal initializer {
    }
    /**
     * @dev See {ERC20-_beforeTokenTransfer}.
     *
     * Requirements:
     *
     * - the contract must not be paused.
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, amount);

        require(!paused(), "ERC20Pausable: token transfer while paused");
    }
    uint256[50] private __gap;
}

File 11 of 34 : IERC20MetadataUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20Upgradeable.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20MetadataUpgradeable is IERC20Upgradeable {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

File 12 of 34 : ERC20PresetMinterPauserUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC20/presets/ERC20PresetMinterPauser.sol)

pragma solidity ^0.8.0;

import "../ERC20Upgradeable.sol";
import "../extensions/ERC20BurnableUpgradeable.sol";
import "../extensions/ERC20PausableUpgradeable.sol";
import "../../../access/AccessControlEnumerableUpgradeable.sol";
import "../../../utils/ContextUpgradeable.sol";
import "../../../proxy/utils/Initializable.sol";

/**
 * @dev {ERC20} token, including:
 *
 *  - ability for holders to burn (destroy) their tokens
 *  - a minter role that allows for token minting (creation)
 *  - a pauser role that allows to stop all token transfers
 *
 * This contract uses {AccessControl} to lock permissioned functions using the
 * different roles - head to its documentation for details.
 *
 * The account that deploys the contract will be granted the minter and pauser
 * roles, as well as the default admin role, which will let it grant both minter
 * and pauser roles to other accounts.
 */
contract ERC20PresetMinterPauserUpgradeable is Initializable, ContextUpgradeable, AccessControlEnumerableUpgradeable, ERC20BurnableUpgradeable, ERC20PausableUpgradeable {
    function initialize(string memory name, string memory symbol) public virtual initializer {
        __ERC20PresetMinterPauser_init(name, symbol);
    }
    bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
    bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");

    /**
     * @dev Grants `DEFAULT_ADMIN_ROLE`, `MINTER_ROLE` and `PAUSER_ROLE` to the
     * account that deploys the contract.
     *
     * See {ERC20-constructor}.
     */
    function __ERC20PresetMinterPauser_init(string memory name, string memory symbol) internal initializer {
        __Context_init_unchained();
        __ERC165_init_unchained();
        __AccessControl_init_unchained();
        __AccessControlEnumerable_init_unchained();
        __ERC20_init_unchained(name, symbol);
        __ERC20Burnable_init_unchained();
        __Pausable_init_unchained();
        __ERC20Pausable_init_unchained();
        __ERC20PresetMinterPauser_init_unchained(name, symbol);
    }

    function __ERC20PresetMinterPauser_init_unchained(string memory name, string memory symbol) internal initializer {
        _setupRole(DEFAULT_ADMIN_ROLE, _msgSender());

        _setupRole(MINTER_ROLE, _msgSender());
        _setupRole(PAUSER_ROLE, _msgSender());
    }

    /**
     * @dev Creates `amount` new tokens for `to`.
     *
     * See {ERC20-_mint}.
     *
     * Requirements:
     *
     * - the caller must have the `MINTER_ROLE`.
     */
    function mint(address to, uint256 amount) public virtual {
        require(hasRole(MINTER_ROLE, _msgSender()), "ERC20PresetMinterPauser: must have minter role to mint");
        _mint(to, amount);
    }

    /**
     * @dev Pauses all token transfers.
     *
     * See {ERC20Pausable} and {Pausable-_pause}.
     *
     * Requirements:
     *
     * - the caller must have the `PAUSER_ROLE`.
     */
    function pause() public virtual {
        require(hasRole(PAUSER_ROLE, _msgSender()), "ERC20PresetMinterPauser: must have pauser role to pause");
        _pause();
    }

    /**
     * @dev Unpauses all token transfers.
     *
     * See {ERC20Pausable} and {Pausable-_unpause}.
     *
     * Requirements:
     *
     * - the caller must have the `PAUSER_ROLE`.
     */
    function unpause() public virtual {
        require(hasRole(PAUSER_ROLE, _msgSender()), "ERC20PresetMinterPauser: must have pauser role to unpause");
        _unpause();
    }

    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual override(ERC20Upgradeable, ERC20PausableUpgradeable) {
        super._beforeTokenTransfer(from, to, amount);
    }
    uint256[50] private __gap;
}

File 13 of 34 : ContextUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Context.sol)

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

/**
 * @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 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 ContextUpgradeable is Initializable {
    function __Context_init() internal initializer {
        __Context_init_unchained();
    }

    function __Context_init_unchained() internal initializer {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
    uint256[50] private __gap;
}

File 14 of 34 : StringsUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library StringsUpgradeable {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

File 15 of 34 : ERC165Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {
    function __ERC165_init() internal initializer {
        __ERC165_init_unchained();
    }

    function __ERC165_init_unchained() internal initializer {
    }
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165Upgradeable).interfaceId;
    }
    uint256[50] private __gap;
}

File 16 of 34 : IERC165Upgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165Upgradeable {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

File 17 of 34 : EnumerableSetUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/structs/EnumerableSet.sol)

pragma solidity ^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 EnumerableSetUpgradeable {
    // 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;

            if (lastIndex != toDeleteIndex) {
                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] = valueIndex; // Replace lastvalue's index to valueIndex
            }

            // 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) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // 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);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        return _values(set._inner);
    }

    // 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(uint160(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(uint160(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(uint160(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(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        assembly {
            result := store
        }

        return result;
    }

    // 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));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        assembly {
            result := store
        }

        return result;
    }
}

File 18 of 34 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @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() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual 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 {
        _transferOwnership(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");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 19 of 34 : Clones.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (proxy/Clones.sol)

pragma solidity ^0.8.0;

/**
 * @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 1167] is a standard for
 * deploying minimal proxy contracts, also known as "clones".
 *
 * > To simply and cheaply clone contract functionality in an immutable way, this standard specifies
 * > a minimal bytecode implementation that delegates all calls to a known, fixed address.
 *
 * The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2`
 * (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the
 * deterministic method.
 *
 * _Available since v3.4._
 */
library Clones {
    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.
     *
     * This function uses the create opcode, which should never revert.
     */
    function clone(address implementation) internal returns (address instance) {
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, implementation))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
            instance := create(0, ptr, 0x37)
        }
        require(instance != address(0), "ERC1167: create failed");
    }

    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.
     *
     * This function uses the create2 opcode and a `salt` to deterministically deploy
     * the clone. Using the same `implementation` and `salt` multiple time will revert, since
     * the clones cannot be deployed twice at the same address.
     */
    function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) {
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, implementation))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
            instance := create2(0, ptr, 0x37, salt)
        }
        require(instance != address(0), "ERC1167: create2 failed");
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(
        address implementation,
        bytes32 salt,
        address deployer
    ) internal pure returns (address predicted) {
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, implementation))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000)
            mstore(add(ptr, 0x38), shl(0x60, deployer))
            mstore(add(ptr, 0x4c), salt)
            mstore(add(ptr, 0x6c), keccak256(ptr, 0x37))
            predicted := keccak256(add(ptr, 0x37), 0x55)
        }
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(address implementation, bytes32 salt)
        internal
        view
        returns (address predicted)
    {
        return predictDeterministicAddress(implementation, salt, address(this));
    }
}

File 20 of 34 : Pausable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

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

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

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

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

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

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

File 21 of 34 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Address.sol)

pragma solidity ^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;
        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");

        (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");

        (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");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal 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

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 22 of 34 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Context.sol)

pragma solidity ^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 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) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 23 of 34 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

File 24 of 34 : SafeMath.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // 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 (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @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) {
        return a + b;
    }

    /**
     * @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 a - b;
    }

    /**
     * @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) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting 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 a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting 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) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * 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) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

File 25 of 34 : RdpxSSOVV2.sol
//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

/**                             .                    .                             
                           .'.                    .'.                           
                         .;:.                      .;:.                         
                       .:o:.                        .;l:.                       
                     .:dd,                            ,od:.                     
                   .:dxo'                              .lxd:.                   
                 .:dkxc.                                .:xkd:.                 
               .:dkkx:.                                  .;dkkd:.               
              .ckkkkxl:,'..                            ..':dkkkkl.              
               'codxxkkkxxdol,                     .,cldxkkkxdoc,               
                  ..',;coxkkkl.                  .;dxkxdol:;'..                 
                       .cxkxl.                   ;dkxl,..                       
                      .:xxxc.                   .cxxd'                          
                      ;dxd:.    ;c,.            .:dxo'                          
                     .lddc.    .cdoc.            'odd:.                         
                     .loo;.     .clol'           .;ool,                         
                     .:loc,.      ..'.            .:loc'                        
                      .,cllc;'.                    .;llc'                       
                        .';cccc:'.                  .;cc:.                      
                           ..,;::;'                  .;::;.                     
                              .';::,.                 .;:;.                     
                                .,;;,.                .;;;.                     
                                  .,,,'..            .,,,'.                     
                                   ..',,,'..      ..'','.                       
                                     ...'''''.....'''...                        
                                         ............                           
                            DOPEX SINGLE STAKING OPTION VAULT
            Mints covered calls while farming yield on single sided rDPX staking farm                                                           
*/

// Libraries
import {Strings} from '@openzeppelin/contracts/utils/Strings.sol';
import {Clones} from '@openzeppelin/contracts/proxy/Clones.sol';
import {BokkyPooBahsDateTimeLibrary} from '../../external/libraries/BokkyPooBahsDateTimeLibrary.sol';
import {SafeERC20} from '../../external/libraries/SafeERC20.sol';

// Contracts
import {ERC20PresetMinterPauserUpgradeable} from '@openzeppelin/contracts-upgradeable/token/ERC20/presets/ERC20PresetMinterPauserUpgradeable.sol';
import {Pausable} from '@openzeppelin/contracts/security/Pausable.sol';
import {ContractWhitelist} from '../../helper/ContractWhitelist.sol';

// Interfaces
import {IERC20} from '../../external/interfaces/IERC20.sol';
import {IVolatilityOracle} from '../../interfaces/IVolatilityOracle.sol';
import {IOptionPricing} from '../../interfaces/IOptionPricing.sol';
import {IERC20SSOV} from '../../interfaces/IERC20SSOV.sol';
import {IFeeStrategy} from '../../fees/IFeeStrategy.sol';

interface IPriceOracle {
    function getPriceInUSD() external view returns (uint256);
}

contract RdpxSSOVV2 is ContractWhitelist, Pausable, IERC20SSOV {
    using BokkyPooBahsDateTimeLibrary for uint256;
    using Strings for uint256;
    using SafeERC20 for IERC20;

    /// @dev ERC20PresetMinterPauserUpgradeable implementation address
    address public immutable erc20Implementation;

    /// @dev Current epoch for ssov
    uint256 public currentEpoch;

    /// @dev Expire delay tolerance
    uint256 public expireDelayTolerance = 5 minutes;

    /// @dev The list of contract addresses the contract uses
    mapping(bytes32 => address) public addresses;

    /// @dev epoch => the epoch start time
    mapping(uint256 => uint256) public epochStartTimes;

    /// @notice Is epoch expired
    /// @dev epoch => whether the epoch is expired
    mapping(uint256 => bool) public isEpochExpired;

    /// @notice Is vault ready for next epoch
    /// @dev epoch => whether the vault is ready (boostrapped)
    mapping(uint256 => bool) public isVaultReady;

    /// @dev Mapping of strikes for each epoch
    mapping(uint256 => uint256[]) public epochStrikes;

    /// @dev Mapping of (epoch => (strike => tokens))
    mapping(uint256 => mapping(uint256 => address)) public epochStrikeTokens;

    /// @notice Total epoch deposits for specific strikes
    /// @dev mapping (epoch => (strike => deposits))
    mapping(uint256 => mapping(uint256 => uint256))
        public totalEpochStrikeDeposits;

    /// @notice Total epoch deposits across all strikes
    /// @dev mapping (epoch => deposits)
    mapping(uint256 => uint256) public totalEpochDeposits;

    /// @notice Total epoch deposits across all strikes including premiums and rewards
    /// @dev mapping (epoch => deposits)
    mapping(uint256 => uint256) public totalEpochBalance;

    /// @notice Epoch deposits by user for each strike
    /// @dev mapping (epoch => (abi.encodePacked(user, strike) => user deposits))
    mapping(uint256 => mapping(bytes32 => uint256)) public userEpochDeposits;

    /// @notice Epoch rDPX balance per strike after accounting for rewards
    /// @dev mapping (epoch => (strike => balance))
    mapping(uint256 => mapping(uint256 => uint256))
        public totalEpochStrikeRdpxBalance;

    // Calls purchased for each strike in an epoch
    /// @dev mapping (epoch => (strike => calls purchased))
    mapping(uint256 => mapping(uint256 => uint256))
        public totalEpochCallsPurchased;

    /// @notice Calls purchased by user for each strike
    /// @dev mapping (epoch => (abi.encodePacked(user, strike) => user calls purchased))
    mapping(uint256 => mapping(bytes32 => uint256))
        public userEpochCallsPurchased;

    /// @notice Premium collected per strike for an epoch
    /// @dev mapping (epoch => (strike => premium))
    mapping(uint256 => mapping(uint256 => uint256)) public totalEpochPremium;

    /// @notice User premium collected per strike for an epoch
    /// @dev mapping (epoch => (abi.encodePacked(user, strike) => user premium))
    mapping(uint256 => mapping(bytes32 => uint256)) public userEpochPremium;

    /// @dev epoch => settlement price
    mapping(uint256 => uint256) public settlementPrices;

    /*==== EVENTS ====*/

    event ExpireDelayToleranceUpdate(uint256 expireDelayTolerance);

    event AddressSet(bytes32 indexed name, address indexed destination);

    event EmergencyWithdraw(address sender);

    event NewStrike(uint256 epoch, uint256 strike);

    event Bootstrap(uint256 epoch);

    event NewDeposit(
        uint256 epoch,
        uint256 strike,
        uint256 amount,
        address user,
        address sender
    );

    event NewPurchase(
        uint256 epoch,
        uint256 strike,
        uint256 amount,
        uint256 premium,
        uint256 fee,
        address user,
        address sender
    );

    event NewSettle(
        uint256 epoch,
        uint256 strike,
        address user,
        uint256 amount,
        uint256 pnl
    );

    event Compound(
        uint256 epoch,
        uint256 rewards,
        uint256 oldBalance,
        uint256 newBalance
    );

    event NewWithdraw(
        uint256 epoch,
        uint256 strike,
        address user,
        uint256 amount,
        uint256 rdpxAmount
    );

    /*==== CONSTRUCTOR ====*/

    constructor(
        address _rdpx,
        address _optionPricing,
        address _rdpxPriceOracle,
        address _volatilityOracle,
        address _feeDistributor,
        address _feeStrategy
    ) {
        require(_rdpx != address(0), 'E1');
        require(_optionPricing != address(0), 'E1');
        require(_rdpxPriceOracle != address(0), 'E1');
        require(_feeStrategy != address(0), 'E1');

        addresses['FeeDistributor'] = _feeDistributor;
        addresses['rDPX'] = _rdpx;
        addresses['OptionPricing'] = _optionPricing;
        addresses['RdpxPriceOracle'] = _rdpxPriceOracle;
        addresses['VolatilityOracle'] = _volatilityOracle;
        addresses['FeeStrategy'] = _feeStrategy;
        addresses['Governance'] = msg.sender;

        erc20Implementation = address(new ERC20PresetMinterPauserUpgradeable());
    }

    /*==== SETTER METHODS ====*/

    /// @notice Pauses the vault for emergency cases
    /// @dev Can only be called by governance
    /// @return Whether it was successfully paused
    function pause() external onlyGovernance returns (bool) {
        _pause();
        _updateFinalEpochBalances(false);
        return true;
    }

    /// @notice Unpauses the vault
    /// @dev Can only be called by governance
    /// @return Whether it was successfully unpaused
    function unpause() external onlyGovernance returns (bool) {
        _unpause();
        return true;
    }

    /// @notice Updates the delay tolerance for the expiry epoch function
    /// @dev Can only be called by governance
    /// @return Whether it was successfully updated
    function updateExpireDelayTolerance(uint256 _expireDelayTolerance)
        external
        onlyGovernance
        returns (bool)
    {
        expireDelayTolerance = _expireDelayTolerance;
        emit ExpireDelayToleranceUpdate(_expireDelayTolerance);
        return true;
    }

    /// @notice Sets (adds) a list of addresses to the address list
    /// @param names Names of the contracts
    /// @param destinations Addresses of the contract
    /// @return Whether the addresses were set
    function setAddresses(
        bytes32[] calldata names,
        address[] calldata destinations
    ) external onlyOwner returns (bool) {
        require(names.length == destinations.length, 'E2');
        for (uint256 i = 0; i < names.length; i++) {
            bytes32 name = names[i];
            address destination = destinations[i];
            addresses[name] = destination;
            emit AddressSet(name, destination);
        }
        return true;
    }

    /*==== METHODS ====*/

    /// @notice Transfers all funds to msg.sender
    /// @dev Can only be called by governance
    /// @param tokens The list of erc20 tokens to withdraw
    /// @param transferNative Whether should transfer the native currency
    /// @return Whether emergency withdraw was successful
    function emergencyWithdraw(address[] calldata tokens, bool transferNative)
        external
        onlyGovernance
        whenPaused
        returns (bool)
    {
        if (transferNative) payable(msg.sender).transfer(address(this).balance);

        for (uint256 i = 0; i < tokens.length; i++) {
            IERC20 token = IERC20(tokens[i]);
            token.safeTransfer(msg.sender, token.balanceOf(address(this)));
        }

        emit EmergencyWithdraw(msg.sender);

        return true;
    }

    /// @notice Sets the current epoch as expired.
    /// @return Whether expire was successful
    function expireEpoch()
        external
        whenNotPaused
        isEligibleSender
        returns (bool)
    {
        require(!isEpochExpired[currentEpoch], 'E3');
        (, uint256 epochExpiry) = getEpochTimes(currentEpoch);
        require((block.timestamp >= epochExpiry), 'E4');
        require(block.timestamp <= epochExpiry + expireDelayTolerance, 'E23');

        settlementPrices[currentEpoch] = getUsdPrice();

        _updateFinalEpochBalances(true);

        isEpochExpired[currentEpoch] = true;

        return true;
    }

    /// @notice Sets the current epoch as expired.
    /// @return Whether expire was successful
    function expireEpoch(uint256 settlementPrice)
        external
        onlyGovernance
        whenNotPaused
        returns (bool)
    {
        require(!isEpochExpired[currentEpoch], 'E3');
        (, uint256 epochExpiry) = getEpochTimes(currentEpoch);
        require((block.timestamp > epochExpiry + expireDelayTolerance), 'E4');

        settlementPrices[currentEpoch] = settlementPrice;

        _updateFinalEpochBalances(true);

        isEpochExpired[currentEpoch] = true;

        return true;
    }

    /// @dev Updates the final epoch rDPX balances per strike of the vault
    /// @param accountPremiums Should the fn account for premiums
    function _updateFinalEpochBalances(bool accountPremiums) internal {
        if (totalEpochBalance[currentEpoch] > 0) {
            uint256[] memory strikes = epochStrikes[currentEpoch];

            for (uint256 i = 0; i < strikes.length; i++) {
                // PnL from ssov option settlements
                uint256 settlement = calculatePnl(
                    settlementPrices[currentEpoch],
                    strikes[i],
                    totalEpochCallsPurchased[currentEpoch][strikes[i]]
                );

                // Update final rdpx balance for epoch and strike
                totalEpochStrikeRdpxBalance[currentEpoch][strikes[i]] +=
                    totalEpochStrikeDeposits[currentEpoch][strikes[i]] -
                    settlement;
                if (accountPremiums) {
                    totalEpochStrikeRdpxBalance[currentEpoch][
                        strikes[i]
                    ] += totalEpochPremium[currentEpoch][strikes[i]];
                }
            }
        }
    }

    /**
     * @notice Bootstraps a new epoch and mints option tokens equivalent to user deposits for the epoch
     * @return Whether bootstrap was successful
     */
    function bootstrap() external onlyOwner whenNotPaused returns (bool) {
        uint256 nextEpoch = currentEpoch + 1;
        require(!isVaultReady[nextEpoch], 'E5');
        require(epochStrikes[nextEpoch].length > 0, 'E6');

        if (currentEpoch > 0) {
            // Previous epoch must be expired
            require(isEpochExpired[currentEpoch], 'E7');
        }

        for (uint256 i = 0; i < epochStrikes[nextEpoch].length; i++) {
            uint256 strike = epochStrikes[nextEpoch][i];
            string memory name = concatenate('rDPX-CALL', strike.toString());
            name = concatenate(name, '-EPOCH-');
            name = concatenate(name, (nextEpoch).toString());
            // Create doTokens representing calls for selected strike in epoch
            ERC20PresetMinterPauserUpgradeable _erc20 = ERC20PresetMinterPauserUpgradeable(
                    Clones.clone(erc20Implementation)
                );
            _erc20.initialize(name, name);
            epochStrikeTokens[nextEpoch][strike] = address(_erc20);
            // Mint tokens equivalent to deposits for strike in epoch
            _erc20.mint(
                address(this),
                totalEpochStrikeDeposits[nextEpoch][strike]
            );
        }

        // Mark vault as ready for epoch
        isVaultReady[nextEpoch] = true;
        // Increase the current epoch
        currentEpoch = nextEpoch;

        emit Bootstrap(nextEpoch);

        return true;
    }

    /**
     * @notice Sets strikes for next epoch
     * @param strikes Strikes to set for next epoch
     * @return Whether strikes were set
     */
    function setStrikes(uint256[] memory strikes)
        external
        onlyOwner
        whenNotPaused
        returns (bool)
    {
        uint256 nextEpoch = currentEpoch + 1;

        require(totalEpochDeposits[nextEpoch] == 0, 'E8');

        if (currentEpoch > 0) {
            (, uint256 epochExpiry) = getEpochTimes(currentEpoch);
            require((block.timestamp > epochExpiry), 'E9');
        }

        // Set the next epoch strikes
        epochStrikes[nextEpoch] = strikes;
        // Set the next epoch start time
        epochStartTimes[nextEpoch] = block.timestamp;

        for (uint256 i = 0; i < strikes.length; i++)
            emit NewStrike(nextEpoch, strikes[i]);
        return true;
    }

    /**
     * @notice Deposits rdpx into the ssov to mint options in the next epoch for selected strikes
     * @param strikeIndex Index of strike
     * @param amount Amout of rDPX to deposit
     * @param user Address of the user to deposit for
     * @return Whether deposit was successful
     */
    function deposit(
        uint256 strikeIndex,
        uint256 amount,
        address user
    ) public whenNotPaused isEligibleSender returns (bool) {
        uint256 nextEpoch = currentEpoch + 1;

        if (currentEpoch > 0) {
            require(
                isEpochExpired[currentEpoch] && !isVaultReady[nextEpoch],
                'E19'
            );
        }

        require(strikeIndex < epochStrikes[nextEpoch].length, 'E10');
        require(amount > 0, 'E11');

        uint256 strike = epochStrikes[nextEpoch][strikeIndex];
        require(strike != 0, 'E12');

        bytes32 userStrike = keccak256(abi.encodePacked(user, strike));

        // Transfer rDPX from msg.sender (maybe different from user param) to ssov
        IERC20(getAddress('rDPX')).safeTransferFrom(
            msg.sender,
            address(this),
            amount
        );

        // Add to user epoch deposits
        userEpochDeposits[nextEpoch][userStrike] += amount;
        // Add to total epoch strike deposits
        totalEpochStrikeDeposits[nextEpoch][strike] += amount;
        // Add to total epoch deposits
        totalEpochDeposits[nextEpoch] += amount;
        // Add to total epoch deposits
        totalEpochBalance[nextEpoch] += amount;

        emit NewDeposit(nextEpoch, strike, amount, user, msg.sender);

        return true;
    }

    /**
     * @notice Deposit rDPX multiple times
     * @param strikeIndices Indices of strikes to deposit into
     * @param amounts Amount of rDPX to deposit into each strike index
     * @param user Address of the user to deposit for
     * @return Whether deposits went through successfully
     */
    function depositMultiple(
        uint256[] memory strikeIndices,
        uint256[] memory amounts,
        address user
    ) external whenNotPaused returns (bool) {
        require(strikeIndices.length == amounts.length, 'E2');

        for (uint256 i = 0; i < strikeIndices.length; i++)
            deposit(strikeIndices[i], amounts[i], user);
        return true;
    }

    /**
     * @notice Purchases calls for the current epoch
     * @param strikeIndex Strike index for current epoch
     * @param amount Amount of calls to purchase
     * @param user User to purchase options for
     * @return Whether purchase was successful
     */
    function purchase(
        uint256 strikeIndex,
        uint256 amount,
        address user
    ) external whenNotPaused isEligibleSender returns (uint256, uint256) {
        require(isVaultReady[currentEpoch], 'E20');
        require(strikeIndex < epochStrikes[currentEpoch].length, 'E10');
        require(amount > 0, 'E11');

        uint256 strike = epochStrikes[currentEpoch][strikeIndex];
        require(strike != 0, 'E12');
        bytes32 userStrike = keccak256(abi.encodePacked(user, strike));

        address rdpx = getAddress('rDPX');
        uint256 currentPrice = getUsdPrice();
        // Get total premium for all calls being purchased
        uint256 premium = calculatePremium(strike, amount);

        // Total fee charged
        uint256 totalFee = calculatePurchaseFees(currentPrice, strike, amount);

        // Add to total epoch calls purchased
        totalEpochCallsPurchased[currentEpoch][strike] += amount;
        // Add to user epoch calls purchased
        userEpochCallsPurchased[currentEpoch][userStrike] += amount;
        // Add to total epoch premium
        totalEpochPremium[currentEpoch][strike] += premium; // Add to user epoch premium
        // Add to user epoch premium
        userEpochPremium[currentEpoch][userStrike] += premium;
        // Add to total epoch balance premium
        totalEpochBalance[currentEpoch] += premium;

        // Transfer premium from msg.sender (need not be same as user)
        IERC20(rdpx).safeTransferFrom(
            msg.sender,
            address(this),
            premium + totalFee
        );

        if (totalFee > 0) {
            // Transfer fee to FeeDistributor
            IERC20(rdpx).safeTransfer(getAddress('FeeDistributor'), totalFee);
        }
        // Transfer doTokens to user
        IERC20(epochStrikeTokens[currentEpoch][strike]).safeTransfer(
            user,
            amount
        );

        emit NewPurchase(
            currentEpoch,
            strike,
            amount,
            premium,
            totalFee,
            user,
            msg.sender
        );

        return (premium, totalFee);
    }

    /**
     * @notice Settle calculates the PnL for the user and withdraws the PnL in rDPX to the user. Will also the burn the option tokens from the user.
     * @param strikeIndex Strike index
     * @param amount Amount of options
     * @param epoch Epoch
     * @return pnl
     */
    function settle(
        uint256 strikeIndex,
        uint256 amount,
        uint256 epoch
    ) external whenNotPaused isEligibleSender returns (uint256 pnl) {
        require(isEpochExpired[epoch], 'E17');
        require(strikeIndex < epochStrikes[epoch].length, 'E10');
        require(amount > 0, 'E11');

        uint256 strike = epochStrikes[epoch][strikeIndex];
        require(strike != 0, 'E12');
        require(
            IERC20(epochStrikeTokens[epoch][strike]).balanceOf(msg.sender) >=
                amount,
            'E16'
        );

        // Calculate PnL (in rDPX)
        pnl = calculatePnl(settlementPrices[epoch], strike, amount);

        // Total fee charged
        uint256 totalFee = calculateSettlementFees(
            settlementPrices[epoch],
            pnl,
            amount
        );

        IERC20 rdpx = IERC20(getAddress('rDPX'));

        require(pnl > 0, 'E15');

        // Burn user option tokens
        ERC20PresetMinterPauserUpgradeable(epochStrikeTokens[epoch][strike])
            .burnFrom(msg.sender, amount);

        if (totalFee > 0) {
            // Transfer fee to FeeDistributor
            rdpx.safeTransfer(getAddress('FeeDistributor'), totalFee);
        }

        // Transfer PnL to user
        rdpx.safeTransfer(msg.sender, pnl - totalFee);

        emit NewSettle(epoch, strike, msg.sender, amount, pnl);
    }

    /**
     * @notice Withdraws balances for a strike in a completed epoch
     * @param withdrawEpoch Epoch to withdraw from
     * @param strikeIndex Index of strike
     * @return rDPX withdrawn
     */
    function withdraw(uint256 withdrawEpoch, uint256 strikeIndex)
        external
        whenNotPaused
        isEligibleSender
        returns (uint256[1] memory)
    {
        require(isEpochExpired[withdrawEpoch], 'E17');
        require(strikeIndex < epochStrikes[withdrawEpoch].length, 'E10');

        uint256 strike = epochStrikes[withdrawEpoch][strikeIndex];
        require(strike != 0, 'E12');

        bytes32 userStrike = keccak256(abi.encodePacked(msg.sender, strike));
        uint256 userStrikeDeposits = userEpochDeposits[withdrawEpoch][
            userStrike
        ];
        require(userStrikeDeposits > 0, 'E18');

        address rdpx = getAddress('rDPX');
        // Transfer rDPX tokens to user
        uint256 userRdpxAmount = (totalEpochStrikeRdpxBalance[withdrawEpoch][
            strike
        ] * userStrikeDeposits) /
            totalEpochStrikeDeposits[withdrawEpoch][strike];

        userEpochDeposits[withdrawEpoch][userStrike] = 0;

        IERC20(rdpx).safeTransfer(msg.sender, userRdpxAmount);

        emit NewWithdraw(
            withdrawEpoch,
            strike,
            msg.sender,
            userStrikeDeposits,
            userRdpxAmount
        );

        return [userRdpxAmount];
    }

    /*==== PURE FUNCTIONS ====*/

    /// @notice Calculates the monthly expiry from a solidity date
    /// @param timestamp Timestamp from which the monthly expiry is to be calculated
    /// @return The monthly expiry
    function getMonthlyExpiryFromTimestamp(uint256 timestamp)
        public
        pure
        returns (uint256)
    {
        uint256 lastDay = BokkyPooBahsDateTimeLibrary.timestampFromDate(
            timestamp.getYear(),
            timestamp.getMonth() + 1,
            0
        );

        if (lastDay.getDayOfWeek() < 5) {
            lastDay = BokkyPooBahsDateTimeLibrary.timestampFromDate(
                lastDay.getYear(),
                lastDay.getMonth(),
                lastDay.getDay() - 7
            );
        }

        uint256 lastFridayOfMonth = BokkyPooBahsDateTimeLibrary
            .timestampFromDateTime(
                lastDay.getYear(),
                lastDay.getMonth(),
                lastDay.getDay() + 5 - lastDay.getDayOfWeek(),
                8,
                0,
                0
            );

        if (lastFridayOfMonth <= timestamp) {
            uint256 temp = BokkyPooBahsDateTimeLibrary.timestampFromDate(
                timestamp.getYear(),
                timestamp.getMonth() + 2,
                0
            );

            if (temp.getDayOfWeek() < 5) {
                temp = BokkyPooBahsDateTimeLibrary.timestampFromDate(
                    temp.getYear(),
                    temp.getMonth(),
                    temp.getDay() - 7
                );
            }

            lastFridayOfMonth = BokkyPooBahsDateTimeLibrary
                .timestampFromDateTime(
                    temp.getYear(),
                    temp.getMonth(),
                    temp.getDay() + 5 - temp.getDayOfWeek(),
                    8,
                    0,
                    0
                );
        }
        return lastFridayOfMonth;
    }

    /**
     * @notice Returns a concatenated string of a and b
     * @param a string a
     * @param b string b
     */
    function concatenate(string memory a, string memory b)
        internal
        pure
        returns (string memory)
    {
        return string(abi.encodePacked(a, b));
    }

    /// @notice Calculate Pnl
    /// @param price price of rDPX
    /// @param strike strike price of the the rDPX option
    /// @param amount amount of options
    function calculatePnl(
        uint256 price,
        uint256 strike,
        uint256 amount
    ) public pure returns (uint256) {
        return price > strike ? (((price - strike) * amount) / price) : 0;
    }

    /*==== VIEWS ====*/

    /// @notice Calculate premium for an option
    /// @param _strike Strike price of the option
    /// @param _amount Amount of options
    function calculatePremium(uint256 _strike, uint256 _amount)
        public
        view
        returns (uint256 premium)
    {
        uint256 currentPrice = getUsdPrice();
        premium =
            (IOptionPricing(getAddress('OptionPricing')).getOptionPrice(
                false,
                getMonthlyExpiryFromTimestamp(block.timestamp),
                _strike,
                currentPrice,
                IVolatilityOracle(getAddress('VolatilityOracle')).getVolatility()
            ) * _amount) /
            currentPrice;
    }

    /// @notice Calculate Fees for purchase
    /// @param price price of rDPX
    /// @param strike strike price of the the rDPX option
    /// @param amount amount of options being bought
    function calculatePurchaseFees(
        uint256 price,
        uint256 strike,
        uint256 amount
    ) public view returns (uint256) {
        return
            IFeeStrategy(getAddress('FeeStrategy')).calculatePurchaseFees(
                price,
                strike,
                amount
            );
    }

    /// @notice Calculate Fees for settlement
    /// @param settlementPrice settlement price of rDPX
    /// @param pnl total pnl
    /// @param amount amount of options being settled
    function calculateSettlementFees(
        uint256 settlementPrice,
        uint256 pnl,
        uint256 amount
    ) public view returns (uint256) {
        return
            IFeeStrategy(getAddress('FeeStrategy')).calculateSettlementFees(
                settlementPrice,
                pnl,
                amount
            );
    }

    /**
     * @notice Returns start and end times for an epoch
     * @param epoch Target epoch
     */
    function getEpochTimes(uint256 epoch)
        public
        view
        epochGreaterThanZero(epoch)
        returns (uint256 start, uint256 end)
    {
        return (
            epochStartTimes[epoch],
            getMonthlyExpiryFromTimestamp(epochStartTimes[epoch])
        );
    }

    /**
     * @notice Returns epoch strikes array for an epoch
     * @param epoch Target epoch
     */
    function getEpochStrikes(uint256 epoch)
        external
        view
        epochGreaterThanZero(epoch)
        returns (uint256[] memory)
    {
        return epochStrikes[epoch];
    }

    /**
     * Returns epoch strike tokens array for an epoch
     * @param epoch Target epoch
     */
    function getEpochStrikeTokens(uint256 epoch)
        external
        view
        epochGreaterThanZero(epoch)
        returns (address[] memory)
    {
        uint256 length = epochStrikes[epoch].length;
        address[] memory _epochStrikeTokens = new address[](length);

        for (uint256 i = 0; i < length; i++) {
            _epochStrikeTokens[i] = epochStrikeTokens[epoch][
                epochStrikes[epoch][i]
            ];
        }

        return _epochStrikeTokens;
    }

    /**
     * @notice Returns total epoch strike deposits array for an epoch
     * @param epoch Target epoch
     */
    function getTotalEpochStrikeDeposits(uint256 epoch)
        external
        view
        epochGreaterThanZero(epoch)
        returns (uint256[] memory)
    {
        uint256 length = epochStrikes[epoch].length;
        uint256[] memory _totalEpochStrikeDeposits = new uint256[](length);

        for (uint256 i = 0; i < length; i++) {
            _totalEpochStrikeDeposits[i] = totalEpochStrikeDeposits[epoch][
                epochStrikes[epoch][i]
            ];
        }

        return _totalEpochStrikeDeposits;
    }

    /**
     * @notice Returns user epoch deposits array for an epoch
     * @param epoch Target epoch
     * @param user Address of the user
     */
    function getUserEpochDeposits(uint256 epoch, address user)
        external
        view
        epochGreaterThanZero(epoch)
        returns (uint256[] memory)
    {
        uint256 length = epochStrikes[epoch].length;
        uint256[] memory _userEpochDeposits = new uint256[](length);

        for (uint256 i = 0; i < length; i++) {
            uint256 strike = epochStrikes[epoch][i];
            bytes32 userStrike = keccak256(abi.encodePacked(user, strike));

            _userEpochDeposits[i] = userEpochDeposits[epoch][userStrike];
        }

        return _userEpochDeposits;
    }

    /**
     * @notice Returns total epoch calls purchased array for an epoch
     * @param epoch Target epoch
     */
    function getTotalEpochCallsPurchased(uint256 epoch)
        external
        view
        epochGreaterThanZero(epoch)
        returns (uint256[] memory)
    {
        uint256 length = epochStrikes[epoch].length;
        uint256[] memory _totalEpochCallsPurchased = new uint256[](length);

        for (uint256 i = 0; i < length; i++) {
            _totalEpochCallsPurchased[i] = totalEpochCallsPurchased[epoch][
                epochStrikes[epoch][i]
            ];
        }

        return _totalEpochCallsPurchased;
    }

    /**
     * @notice Returns user epoch calls purchased array for an epoch
     * @param epoch Target epoch
     * @param user Address of the user
     */
    function getUserEpochCallsPurchased(uint256 epoch, address user)
        external
        view
        epochGreaterThanZero(epoch)
        returns (uint256[] memory)
    {
        uint256 length = epochStrikes[epoch].length;
        uint256[] memory _userEpochCallsPurchased = new uint256[](length);

        for (uint256 i = 0; i < length; i++) {
            uint256 strike = epochStrikes[epoch][i];
            bytes32 userStrike = keccak256(abi.encodePacked(user, strike));

            _userEpochCallsPurchased[i] = userEpochCallsPurchased[epoch][
                userStrike
            ];
        }

        return _userEpochCallsPurchased;
    }

    /**
     * @notice Returns total epoch premium array for an epoch
     * @param epoch Target epoch
     */
    function getTotalEpochPremium(uint256 epoch)
        external
        view
        epochGreaterThanZero(epoch)
        returns (uint256[] memory)
    {
        uint256 length = epochStrikes[epoch].length;
        uint256[] memory _totalEpochPremium = new uint256[](length);

        for (uint256 i = 0; i < length; i++) {
            _totalEpochPremium[i] = totalEpochPremium[epoch][
                epochStrikes[epoch][i]
            ];
        }

        return _totalEpochPremium;
    }

    /**
     * @notice Returns user epoch premium array for an epoch
     * @param epoch Target epoch
     * @param user Address of the user
     */
    function getUserEpochPremium(uint256 epoch, address user)
        external
        view
        epochGreaterThanZero(epoch)
        returns (uint256[] memory)
    {
        uint256 length = epochStrikes[epoch].length;
        uint256[] memory _userEpochPremium = new uint256[](length);

        for (uint256 i = 0; i < length; i++) {
            uint256 strike = epochStrikes[epoch][i];
            bytes32 userStrike = keccak256(abi.encodePacked(user, strike));

            _userEpochPremium[i] = userEpochPremium[epoch][userStrike];
        }

        return _userEpochPremium;
    }

    /**
     * @notice Returns rDPX price in USD
     */
    function getUsdPrice() public view returns (uint256) {
        return IPriceOracle(getAddress('RdpxPriceOracle')).getPriceInUSD();
    }

    /**
     * @notice Gets the address of a set contract
     * @param name Name of the contract
     * @return The address of the contract
     */
    function getAddress(bytes32 name) public view returns (address) {
        return addresses[name];
    }

    /*==== MODIFIERS ====*/

    modifier onlyGovernance() {
        require(msg.sender == getAddress('Governance'), 'E22');
        _;
    }

    modifier epochGreaterThanZero(uint256 epoch) {
        require(epoch > 0, 'E13');
        _;
    }
}

// ERROR MAPPING:
// {
//   "E1": "SSOV: Address cannot be a zero address",
//   "E2": "SSOV: Input lengths must match",
//   "E3": "SSOV: Epoch must not be expired",
//   "E4": "SSOV: Cannot expire epoch before epoch's expiry",
//   "E5": "SSOV: Already bootstrapped",
//   "E6": "SSOV: Strikes have not been set for next epoch",
//   "E7": "SSOV: Previous epoch has not expired",
//   "E8": "SSOV: Deposit already started",
//   "E9": "SSOV: Cannot set next strikes before current epoch's expiry",
//   "E10": "SSOV: Invalid strike index",
//   "E11": "SSOV: Invalid amount",
//   "E12": "SSOV: Invalid strike",
//   "E13": "SSOV: Epoch passed must be greater than 0",
//   "E14": "SSOV: Option must be in exercise window",
//   "E15": "SSOV: Strike is higher than current price",
//   "E16": "SSOV: Option token balance is not enough",
//   "E17": "SSOV: Epoch must be expired",
//   "E18": "SSOV: User strike deposit amount must be greater than zero",
//   "E19": "SSOV: Deposit is only available between epochs",
//   "E20": "SSOV: Not bootstrapped",
//   "E21": "SSOV: Can not call function in exercise window",
//   "E22": "SSOV: Caller is not governance"
// }

File 26 of 34 : IERC20.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 * NOTE: Modified to include symbols and decimals.
 */
interface IERC20 {
  function totalSupply() external view returns (uint256);

  function symbol() external view returns (string memory);

  function decimals() external view returns (uint8);

  function balanceOf(address account) external view returns (uint256);

  function transfer(address recipient, uint256 amount) external returns (bool);

  function allowance(address owner, address spender)
    external
    view
    returns (uint256);

  function approve(address spender, uint256 amount) external returns (bool);

  function transferFrom(
    address sender,
    address recipient,
    uint256 amount
  ) external returns (bool);

  event Transfer(address indexed from, address indexed to, uint256 value);
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

File 27 of 34 : BokkyPooBahsDateTimeLibrary.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

// ----------------------------------------------------------------------------
// BokkyPooBah's DateTime Library v1.01
//
// A gas-efficient Solidity date and time library
//
// https://github.com/bokkypoobah/BokkyPooBahsDateTimeLibrary
//
// Tested date range 1970/01/01 to 2345/12/31
//
// Conventions:
// Unit      | Range         | Notes
// :-------- |:-------------:|:-----
// timestamp | >= 0          | Unix timestamp, number of seconds since 1970/01/01 00:00:00 UTC
// year      | 1970 ... 2345 |
// month     | 1 ... 12      |
// day       | 1 ... 31      |
// hour      | 0 ... 23      |
// minute    | 0 ... 59      |
// second    | 0 ... 59      |
// dayOfWeek | 1 ... 7       | 1 = Monday, ..., 7 = Sunday
//
//
// Enjoy. (c) BokkyPooBah / Bok Consulting Pty Ltd 2018-2019. The MIT Licence.
// ----------------------------------------------------------------------------

library BokkyPooBahsDateTimeLibrary {
  uint256 constant SECONDS_PER_DAY = 24 * 60 * 60;
  uint256 constant SECONDS_PER_HOUR = 60 * 60;
  uint256 constant SECONDS_PER_MINUTE = 60;
  int256 constant OFFSET19700101 = 2440588;

  uint256 constant DOW_MON = 1;
  uint256 constant DOW_TUE = 2;
  uint256 constant DOW_WED = 3;
  uint256 constant DOW_THU = 4;
  uint256 constant DOW_FRI = 5;
  uint256 constant DOW_SAT = 6;
  uint256 constant DOW_SUN = 7;

  // ------------------------------------------------------------------------
  // Calculate the number of days from 1970/01/01 to year/month/day using
  // the date conversion algorithm from
  //   http://aa.usno.navy.mil/faq/docs/JD_Formula.php
  // and subtracting the offset 2440588 so that 1970/01/01 is day 0
  //
  // days = day
  //      - 32075
  //      + 1461 * (year + 4800 + (month - 14) / 12) / 4
  //      + 367 * (month - 2 - (month - 14) / 12 * 12) / 12
  //      - 3 * ((year + 4900 + (month - 14) / 12) / 100) / 4
  //      - offset
  // ------------------------------------------------------------------------
  function _daysFromDate(
    uint256 year,
    uint256 month,
    uint256 day
  ) internal pure returns (uint256 _days) {
    require(year >= 1970);
    int256 _year = int256(year);
    int256 _month = int256(month);
    int256 _day = int256(day);

    int256 __days = _day -
      32075 +
      (1461 * (_year + 4800 + (_month - 14) / 12)) /
      4 +
      (367 * (_month - 2 - ((_month - 14) / 12) * 12)) /
      12 -
      (3 * ((_year + 4900 + (_month - 14) / 12) / 100)) /
      4 -
      OFFSET19700101;

    _days = uint256(__days);
  }

  // ------------------------------------------------------------------------
  // Calculate year/month/day from the number of days since 1970/01/01 using
  // the date conversion algorithm from
  //   http://aa.usno.navy.mil/faq/docs/JD_Formula.php
  // and adding the offset 2440588 so that 1970/01/01 is day 0
  //
  // int L = days + 68569 + offset
  // int N = 4 * L / 146097
  // L = L - (146097 * N + 3) / 4
  // year = 4000 * (L + 1) / 1461001
  // L = L - 1461 * year / 4 + 31
  // month = 80 * L / 2447
  // dd = L - 2447 * month / 80
  // L = month / 11
  // month = month + 2 - 12 * L
  // year = 100 * (N - 49) + year + L
  // ------------------------------------------------------------------------
  function _daysToDate(uint256 _days)
    internal
    pure
    returns (
      uint256 year,
      uint256 month,
      uint256 day
    )
  {
    int256 __days = int256(_days);

    int256 L = __days + 68569 + OFFSET19700101;
    int256 N = (4 * L) / 146097;
    L = L - (146097 * N + 3) / 4;
    int256 _year = (4000 * (L + 1)) / 1461001;
    L = L - (1461 * _year) / 4 + 31;
    int256 _month = (80 * L) / 2447;
    int256 _day = L - (2447 * _month) / 80;
    L = _month / 11;
    _month = _month + 2 - 12 * L;
    _year = 100 * (N - 49) + _year + L;

    year = uint256(_year);
    month = uint256(_month);
    day = uint256(_day);
  }

  function timestampFromDate(
    uint256 year,
    uint256 month,
    uint256 day
  ) internal pure returns (uint256 timestamp) {
    timestamp = _daysFromDate(year, month, day) * SECONDS_PER_DAY;
  }

  function timestampFromDateTime(
    uint256 year,
    uint256 month,
    uint256 day,
    uint256 hour,
    uint256 minute,
    uint256 second
  ) internal pure returns (uint256 timestamp) {
    timestamp =
      _daysFromDate(year, month, day) *
      SECONDS_PER_DAY +
      hour *
      SECONDS_PER_HOUR +
      minute *
      SECONDS_PER_MINUTE +
      second;
  }

  function timestampToDate(uint256 timestamp)
    internal
    pure
    returns (
      uint256 year,
      uint256 month,
      uint256 day
    )
  {
    (year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
  }

  function timestampToDateTime(uint256 timestamp)
    internal
    pure
    returns (
      uint256 year,
      uint256 month,
      uint256 day,
      uint256 hour,
      uint256 minute,
      uint256 second
    )
  {
    (year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
    uint256 secs = timestamp % SECONDS_PER_DAY;
    hour = secs / SECONDS_PER_HOUR;
    secs = secs % SECONDS_PER_HOUR;
    minute = secs / SECONDS_PER_MINUTE;
    second = secs % SECONDS_PER_MINUTE;
  }

  function isValidDate(
    uint256 year,
    uint256 month,
    uint256 day
  ) internal pure returns (bool valid) {
    if (year >= 1970 && month > 0 && month <= 12) {
      uint256 daysInMonth = _getDaysInMonth(year, month);
      if (day > 0 && day <= daysInMonth) {
        valid = true;
      }
    }
  }

  function isValidDateTime(
    uint256 year,
    uint256 month,
    uint256 day,
    uint256 hour,
    uint256 minute,
    uint256 second
  ) internal pure returns (bool valid) {
    if (isValidDate(year, month, day)) {
      if (hour < 24 && minute < 60 && second < 60) {
        valid = true;
      }
    }
  }

  function isLeapYear(uint256 timestamp) internal pure returns (bool leapYear) {
    (uint256 year, , ) = _daysToDate(timestamp / SECONDS_PER_DAY);
    leapYear = _isLeapYear(year);
  }

  function _isLeapYear(uint256 year) internal pure returns (bool leapYear) {
    leapYear = ((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0);
  }

  function isWeekDay(uint256 timestamp) internal pure returns (bool weekDay) {
    weekDay = getDayOfWeek(timestamp) <= DOW_FRI;
  }

  function isWeekEnd(uint256 timestamp) internal pure returns (bool weekEnd) {
    weekEnd = getDayOfWeek(timestamp) >= DOW_SAT;
  }

  function getDaysInMonth(uint256 timestamp)
    internal
    pure
    returns (uint256 daysInMonth)
  {
    (uint256 year, uint256 month, ) = _daysToDate(timestamp / SECONDS_PER_DAY);
    daysInMonth = _getDaysInMonth(year, month);
  }

  function _getDaysInMonth(uint256 year, uint256 month)
    internal
    pure
    returns (uint256 daysInMonth)
  {
    if (
      month == 1 ||
      month == 3 ||
      month == 5 ||
      month == 7 ||
      month == 8 ||
      month == 10 ||
      month == 12
    ) {
      daysInMonth = 31;
    } else if (month != 2) {
      daysInMonth = 30;
    } else {
      daysInMonth = _isLeapYear(year) ? 29 : 28;
    }
  }

  // 1 = Monday, 7 = Sunday
  function getDayOfWeek(uint256 timestamp)
    internal
    pure
    returns (uint256 dayOfWeek)
  {
    uint256 _days = timestamp / SECONDS_PER_DAY;
    dayOfWeek = ((_days + 3) % 7) + 1;
  }

  // 1 = Monday, 7 = Sunday
  function getDayOfWeek(uint256 timestamp, uint256 index)
    internal
    pure
    returns (uint256 dayOfWeek)
  {
    uint256 _days = timestamp / SECONDS_PER_DAY;
    dayOfWeek = ((_days + index) % 7) + 1;
  }

  function getYear(uint256 timestamp) internal pure returns (uint256 year) {
    (year, , ) = _daysToDate(timestamp / SECONDS_PER_DAY);
  }

  function getMonth(uint256 timestamp) internal pure returns (uint256 month) {
    (, month, ) = _daysToDate(timestamp / SECONDS_PER_DAY);
  }

  function getDay(uint256 timestamp) internal pure returns (uint256 day) {
    (, , day) = _daysToDate(timestamp / SECONDS_PER_DAY);
  }

  function getHour(uint256 timestamp) internal pure returns (uint256 hour) {
    uint256 secs = timestamp % SECONDS_PER_DAY;
    hour = secs / SECONDS_PER_HOUR;
  }

  function getMinute(uint256 timestamp) internal pure returns (uint256 minute) {
    uint256 secs = timestamp % SECONDS_PER_HOUR;
    minute = secs / SECONDS_PER_MINUTE;
  }

  function getSecond(uint256 timestamp) internal pure returns (uint256 second) {
    second = timestamp % SECONDS_PER_MINUTE;
  }

  function addYears(uint256 timestamp, uint256 _years)
    internal
    pure
    returns (uint256 newTimestamp)
  {
    (uint256 year, uint256 month, uint256 day) = _daysToDate(
      timestamp / SECONDS_PER_DAY
    );
    year += _years;
    uint256 daysInMonth = _getDaysInMonth(year, month);
    if (day > daysInMonth) {
      day = daysInMonth;
    }
    newTimestamp =
      _daysFromDate(year, month, day) *
      SECONDS_PER_DAY +
      (timestamp % SECONDS_PER_DAY);
    require(newTimestamp >= timestamp);
  }

  function addMonths(uint256 timestamp, uint256 _months)
    internal
    pure
    returns (uint256 newTimestamp)
  {
    (uint256 year, uint256 month, uint256 day) = _daysToDate(
      timestamp / SECONDS_PER_DAY
    );
    month += _months;
    year += (month - 1) / 12;
    month = ((month - 1) % 12) + 1;
    uint256 daysInMonth = _getDaysInMonth(year, month);
    if (day > daysInMonth) {
      day = daysInMonth;
    }
    newTimestamp =
      _daysFromDate(year, month, day) *
      SECONDS_PER_DAY +
      (timestamp % SECONDS_PER_DAY);
    require(newTimestamp >= timestamp);
  }

  function addDays(uint256 timestamp, uint256 _days)
    internal
    pure
    returns (uint256 newTimestamp)
  {
    newTimestamp = timestamp + _days * SECONDS_PER_DAY;
    require(newTimestamp >= timestamp);
  }

  function addHours(uint256 timestamp, uint256 _hours)
    internal
    pure
    returns (uint256 newTimestamp)
  {
    newTimestamp = timestamp + _hours * SECONDS_PER_HOUR;
    require(newTimestamp >= timestamp);
  }

  function addMinutes(uint256 timestamp, uint256 _minutes)
    internal
    pure
    returns (uint256 newTimestamp)
  {
    newTimestamp = timestamp + _minutes * SECONDS_PER_MINUTE;
    require(newTimestamp >= timestamp);
  }

  function addSeconds(uint256 timestamp, uint256 _seconds)
    internal
    pure
    returns (uint256 newTimestamp)
  {
    newTimestamp = timestamp + _seconds;
    require(newTimestamp >= timestamp);
  }

  function subYears(uint256 timestamp, uint256 _years)
    internal
    pure
    returns (uint256 newTimestamp)
  {
    (uint256 year, uint256 month, uint256 day) = _daysToDate(
      timestamp / SECONDS_PER_DAY
    );
    year -= _years;
    uint256 daysInMonth = _getDaysInMonth(year, month);
    if (day > daysInMonth) {
      day = daysInMonth;
    }
    newTimestamp =
      _daysFromDate(year, month, day) *
      SECONDS_PER_DAY +
      (timestamp % SECONDS_PER_DAY);
    require(newTimestamp <= timestamp);
  }

  function subMonths(uint256 timestamp, uint256 _months)
    internal
    pure
    returns (uint256 newTimestamp)
  {
    (uint256 year, uint256 month, uint256 day) = _daysToDate(
      timestamp / SECONDS_PER_DAY
    );
    uint256 yearMonth = year * 12 + (month - 1) - _months;
    year = yearMonth / 12;
    month = (yearMonth % 12) + 1;
    uint256 daysInMonth = _getDaysInMonth(year, month);
    if (day > daysInMonth) {
      day = daysInMonth;
    }
    newTimestamp =
      _daysFromDate(year, month, day) *
      SECONDS_PER_DAY +
      (timestamp % SECONDS_PER_DAY);
    require(newTimestamp <= timestamp);
  }

  function subDays(uint256 timestamp, uint256 _days)
    internal
    pure
    returns (uint256 newTimestamp)
  {
    newTimestamp = timestamp - _days * SECONDS_PER_DAY;
    require(newTimestamp <= timestamp);
  }

  function subHours(uint256 timestamp, uint256 _hours)
    internal
    pure
    returns (uint256 newTimestamp)
  {
    newTimestamp = timestamp - _hours * SECONDS_PER_HOUR;
    require(newTimestamp <= timestamp);
  }

  function subMinutes(uint256 timestamp, uint256 _minutes)
    internal
    pure
    returns (uint256 newTimestamp)
  {
    newTimestamp = timestamp - _minutes * SECONDS_PER_MINUTE;
    require(newTimestamp <= timestamp);
  }

  function subSeconds(uint256 timestamp, uint256 _seconds)
    internal
    pure
    returns (uint256 newTimestamp)
  {
    newTimestamp = timestamp - _seconds;
    require(newTimestamp <= timestamp);
  }

  function diffYears(uint256 fromTimestamp, uint256 toTimestamp)
    internal
    pure
    returns (uint256 _years)
  {
    require(fromTimestamp <= toTimestamp);
    (uint256 fromYear, , ) = _daysToDate(fromTimestamp / SECONDS_PER_DAY);
    (uint256 toYear, , ) = _daysToDate(toTimestamp / SECONDS_PER_DAY);
    _years = toYear - fromYear;
  }

  function diffMonths(uint256 fromTimestamp, uint256 toTimestamp)
    internal
    pure
    returns (uint256 _months)
  {
    require(fromTimestamp <= toTimestamp);
    (uint256 fromYear, uint256 fromMonth, ) = _daysToDate(
      fromTimestamp / SECONDS_PER_DAY
    );
    (uint256 toYear, uint256 toMonth, ) = _daysToDate(
      toTimestamp / SECONDS_PER_DAY
    );
    _months = toYear * 12 + toMonth - fromYear * 12 - fromMonth;
  }

  function diffDays(uint256 fromTimestamp, uint256 toTimestamp)
    internal
    pure
    returns (uint256 _days)
  {
    require(fromTimestamp <= toTimestamp);
    _days = (toTimestamp - fromTimestamp) / SECONDS_PER_DAY;
  }

  function diffHours(uint256 fromTimestamp, uint256 toTimestamp)
    internal
    pure
    returns (uint256 _hours)
  {
    require(fromTimestamp <= toTimestamp);
    _hours = (toTimestamp - fromTimestamp) / SECONDS_PER_HOUR;
  }

  function diffMinutes(uint256 fromTimestamp, uint256 toTimestamp)
    internal
    pure
    returns (uint256 _minutes)
  {
    require(fromTimestamp <= toTimestamp);
    _minutes = (toTimestamp - fromTimestamp) / SECONDS_PER_MINUTE;
  }

  function diffSeconds(uint256 fromTimestamp, uint256 toTimestamp)
    internal
    pure
    returns (uint256 _seconds)
  {
    require(fromTimestamp <= toTimestamp);
    _seconds = toTimestamp - fromTimestamp;
  }
}

File 28 of 34 : SafeERC20.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {IERC20} from '../interfaces/IERC20.sol';
import {SafeMath} from '@openzeppelin/contracts/utils/math/SafeMath.sol';
import {Address} from '@openzeppelin/contracts/utils/Address.sol';

/**
 * @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 29 of 34 : IFeeStrategy.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

interface IFeeStrategy {
    function calculatePurchaseFees(
        uint256,
        uint256,
        uint256
    ) external view returns (uint256);

    function calculateSettlementFees(
        uint256,
        uint256,
        uint256
    ) external view returns (uint256);
}

File 30 of 34 : ContractWhitelist.sol
//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

import {Ownable} from '@openzeppelin/contracts/access/Ownable.sol';

/// @title ContractWhitelist
/// @author witherblock
/// @notice A helper contract that lets you add a list of whitelisted contracts that should be able to interact with restricited functions
abstract contract ContractWhitelist is Ownable {
    /// @dev contract => whitelisted or not
    mapping(address => bool) public whitelistedContracts;

    /*==== SETTERS ====*/

    /// @dev add to the contract whitelist
    /// @param _contract the address of the contract to add to the contract whitelist
    /// @return whether the contract was successfully added to the whitelist
    function addToContractWhitelist(address _contract)
        external
        onlyOwner
        returns (bool)
    {
        require(
            isContract(_contract),
            'ContractWhitelist: Address must be a contract address'
        );
        require(
            !whitelistedContracts[_contract],
            'ContractWhitelist: Contract already whitelisted'
        );

        whitelistedContracts[_contract] = true;

        emit AddToContractWhitelist(_contract);

        return true;
    }

    /// @dev remove from  the contract whitelist
    /// @param _contract the address of the contract to remove from the contract whitelist
    /// @return whether the contract was successfully removed from the whitelist
    function removeFromContractWhitelist(address _contract)
        external
        returns (bool)
    {
        require(
            whitelistedContracts[_contract],
            'ContractWhitelist: Contract not whitelisted'
        );

        whitelistedContracts[_contract] = false;

        emit RemoveFromContractWhitelist(_contract);

        return true;
    }

    /* ========== MODIFIERS ========== */

    // Modifier is eligible sender modifier
    modifier isEligibleSender() {
        if (isContract(msg.sender))
            require(
                whitelistedContracts[msg.sender],
                'ContractWhitelist: Contract must be whitelisted'
            );
        _;
    }

    /*==== VIEWS ====*/

    /// @dev checks for contract or eoa addresses
    /// @param addr the address to check
    /// @return whether the passed address is a contract address
    function isContract(address addr) public view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(addr)
        }
        return size > 0;
    }

    /*==== EVENTS ====*/

    event AddToContractWhitelist(address indexed _contract);

    event RemoveFromContractWhitelist(address indexed _contract);
}

File 31 of 34 : IERC20SSOV.sol
//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

import {ISSOV} from './ISSOV.sol';

interface IERC20SSOV is ISSOV {
    function purchase(
        uint256 strikeIndex,
        uint256 amount,
        address user
    ) external returns (uint256, uint256);

    function deposit(
        uint256 strikeIndex,
        uint256 amount,
        address user
    ) external returns (bool);

    function depositMultiple(
        uint256[] memory strikeIndices,
        uint256[] memory amounts,
        address user
    ) external returns (bool);
}

File 32 of 34 : IOptionPricing.sol
//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

interface IOptionPricing {
  function getOptionPrice(
    bool isPut,
    uint256 expiry,
    uint256 strike,
    uint256 lastPrice,
    uint256 baseIv
  ) external view returns (uint256);
}

File 33 of 34 : ISSOV.sol
//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

interface ISSOV {
    function epochStrikeTokens(uint256 epoch, uint256 strike)
        external
        view
        returns (address);

    function getAddress(bytes32 name) external view returns (address);

    function currentEpoch() external view returns (uint256);

    function epochStrikes(uint256 epoch, uint256 strikeIndex)
        external
        view
        returns (uint256);

    function settle(
        uint256 strikeIndex,
        uint256 amount,
        uint256 epoch
    ) external returns (uint256);
}

File 34 of 34 : IVolatilityOracle.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

interface IVolatilityOracle {
    function getVolatility() external view returns (uint256);
}

Settings
{
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract ABI

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

00000000000000000000000032eb7902d4134bf98a28b963d26de779af92a2120000000000000000000000002b99e3d67dad973c1b9747da742b7e26c8bdd67b000000000000000000000000c0cdd1176aa1624b89b7476142b41c04414afaa00000000000000000000000003e0215c1d639280e13b46e3af94fb5630d1b321200000000000000000000000055594cce8cc0014ea08c49fd820d731308f204c10000000000000000000000001a5444362857cafdc58ab95b79a5a9285d16563a

-----Decoded View---------------
Arg [0] : _rdpx (address): 0x32Eb7902D4134bf98A28b963D26de779AF92A212
Arg [1] : _optionPricing (address): 0x2b99e3D67dAD973c1B9747Da742B7E26c8Bdd67B
Arg [2] : _rdpxPriceOracle (address): 0xC0cdD1176aA1624b89B7476142b41C04414afaa0
Arg [3] : _volatilityOracle (address): 0x3E0215c1D639280e13B46e3aF94Fb5630d1b3212
Arg [4] : _feeDistributor (address): 0x55594cCe8cC0014eA08C49fd820D731308f204c1
Arg [5] : _feeStrategy (address): 0x1a5444362857CaFDc58AB95b79A5A9285d16563A

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 00000000000000000000000032eb7902d4134bf98a28b963d26de779af92a212
Arg [1] : 0000000000000000000000002b99e3d67dad973c1b9747da742b7e26c8bdd67b
Arg [2] : 000000000000000000000000c0cdd1176aa1624b89b7476142b41c04414afaa0
Arg [3] : 0000000000000000000000003e0215c1d639280e13b46e3af94fb5630d1b3212
Arg [4] : 00000000000000000000000055594cce8cc0014ea08c49fd820d731308f204c1
Arg [5] : 0000000000000000000000001a5444362857cafdc58ab95b79a5a9285d16563a


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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