Contract 0xd838290e877e0188a4a44700463419ed96c16107 1

 

Contract Overview

Toucan Protocol: NCT Token
Balance:
0 MATIC

MATIC Value:
$0.00

Token:
 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x8ee0eb9aaa7bb021cf1b13b1220efe55a5083b3612dee455f592fb5918d3df50Approve320275132022-08-18 9:05:247 hrs 1 min ago0x1c0accc24e1549125b5b3c14d999d3a496afbdb1 IN  Toucan Protocol: NCT Token0 MATIC0.00153657 30.000000013
0x89bc5fa4e02af607a238cbe21bdf2c9b62d4166398c701aa49cd62285ad79e50Approve320257552022-08-18 8:00:118 hrs 6 mins ago0x7b13c2f7aaa8c772bd0a13a86b0cf633faf790b0 IN  Toucan Protocol: NCT Token0 MATIC0.001023930008 30.000000241
0x8e2c86fa6669933721e7b9788ecda5c101cd2cce156284c64e6724fce5fc7acaDeposit320255392022-08-18 7:50:478 hrs 16 mins ago0x1c0accc24e1549125b5b3c14d999d3a496afbdb1 IN  Toucan Protocol: NCT Token0 MATIC0.007631040097 30.000000382
0xab0498f76d85a3894d764c6a2ad5dfd223d8c23603060ec4d3586fb97b62ac3bApprove320253342022-08-18 7:42:578 hrs 23 mins ago0x1c0accc24e1549125b5b3c14d999d3a496afbdb1 IN  Toucan Protocol: NCT Token0 MATIC0.002154356633 41.807002266
0xc67c977d41e6945e71c7033987739c64292fa0f2bb1904730cf9a7c39db694e9Redeem Many319921252022-08-17 10:14:431 day 5 hrs ago0x25bdff8db8d80971935a7f38a0cf31dec62f7696 IN  Toucan Protocol: NCT Token0 MATIC0.00456503584231.001520133
0xd17dd53ecc9e7c1ef8417537073952365b96e4dac8422c030b3db3b76aa0d4aeRedeem Auto319621072022-08-16 15:44:482 days 21 mins ago0xe962f7f7963f812f321467ce12fb5f383b7e5c5c IN  Toucan Protocol: NCT Token0 MATIC0.005477839239 42.406342092
0x0711183c7524bcb90423b375ed0d962170877587788efd382451333438b85ac8Deposit319620912022-08-16 15:43:442 days 23 mins ago0xe962f7f7963f812f321467ce12fb5f383b7e5c5c IN  Toucan Protocol: NCT Token0 MATIC0.021309444762 90.039780632
0x74d5b189e2d90f5a6a94894fc2497190ffaf051a28cd5928cc24a3e7bec88adeRedeem Many319620302022-08-16 15:40:102 days 26 mins ago0xe962f7f7963f812f321467ce12fb5f383b7e5c5c IN  Toucan Protocol: NCT Token0 MATIC0.004273920011 30.000000081
0xd630ed48f2182cd0da7e6343b3f7fd20fe18319d325f4572e2090656d21c95edApprove319570252022-08-16 12:22:112 days 3 hrs ago0xe962f7f7963f812f321467ce12fb5f383b7e5c5c IN  Toucan Protocol: NCT Token0 MATIC0.001545210014 30.00000029
0x8bd44dd58740816fb7216f38d546a595f23eb85a037fbc55b4ef9095a80d6033Approve319030582022-08-15 2:06:193 days 14 hrs ago0x93575bd35b7b4968c87f5aee5b7fb296e3fe0751 IN  Toucan Protocol: NCT Token0 MATIC0.00153693 30.000000013
0x93f70cdbd537fb9f24a0d5e0855a648101b3b375ea0269d338af9dbaa9bda5bfDeposit318654082022-08-14 2:52:464 days 13 hrs ago0x747276019e3340104c96397bf6537ad01f93d7df IN  Toucan Protocol: NCT Token0 MATIC0.007438074192 33.872400018
0x8577c20de0977f3c238ecb4c15689f4777e6ca2b4a190e6c6c21df3aad761c8dApprove318474992022-08-13 15:16:225 days 50 mins ago0x4539c8a2fc7ccbd30ca9601bbf38466338f02d04 IN  Toucan Protocol: NCT Token0 MATIC0.00170655 50
0x3357fc717732558ca0420405b14719e6e6bae94d8f6dd534793c47fec3c83d3aApprove318403472022-08-13 10:29:525 days 5 hrs ago0x0bf92dee04456e3851d7418ed890d5522d7bd496 IN  Toucan Protocol: NCT Token0 MATIC0.0126524 400
0xd66776b8b7895c65dca1599c59b01a5a57999f67958533597ad4821d85dfcd6aApprove318403442022-08-13 10:29:465 days 5 hrs ago0x0bf92dee04456e3851d7418ed890d5522d7bd496 IN  Toucan Protocol: NCT Token0 MATIC0.0206124 400
0xd2f9984b5ebe23c3ee2207998c6830aaccb2bef82a224edeb38db2904d62e769Approve317862402022-08-11 23:55:216 days 16 hrs ago0x93575bd35b7b4968c87f5aee5b7fb296e3fe0751 IN  Toucan Protocol: NCT Token0 MATIC0.001537291024 30.000020002
0x2bb9cc0fff639792f7065e19251edddb6b640525c13fe1d3d50d40172a06219bRedeem Many317841282022-08-11 22:40:376 days 17 hrs ago0x26594bedab748317bbb177a16796282e3c297346 IN  Toucan Protocol: NCT Token0 MATIC0.004423464462 31.049700012
0x412d86f5561f79530fbee00c7fdb3ee8658c96cf16f005840346650bc51501bbRedeem Auto317785742022-08-11 19:05:486 days 21 hrs ago0x747276019e3340104c96397bf6537ad01f93d7df IN  Toucan Protocol: NCT Token0 MATIC0.003874170002 30.000000021
0x53f5d4b556da1260e0e0ffd279dca8ca92246ebc3dbf61e0e62d40ac08146057Approve317784532022-08-11 19:01:296 days 21 hrs ago0x1e61756e0cec5ceb0741659201c7fe9541867559 IN  Toucan Protocol: NCT Token0 MATIC0.001545930002 30.000000043
0x1c53b35bd5af434f06bcb91b27ac37729eb32dac12c2d734d5f3c8974f332cdfApprove317471902022-08-10 23:20:327 days 16 hrs ago0xca72255836ab359ed8d4f9e4049477aac6ee875d IN  Toucan Protocol: NCT Token0 MATIC0.001545930039 30.00000076
0xf3fa47b05f1f1bc56c927f5a9105ad7e684127f7832916221014c5f859d45495Redeem Auto317391412022-08-10 17:52:097 days 22 hrs ago0x4cac8389102545c50bcc04b39cc950aca0209422 IN  Toucan Protocol: NCT Token0 MATIC0.005229660065 30.000000373
0xa325c318251ebbae3c07965187c67065ff9bc5200e4b821fda7be5758e9ee8acTransfer317355392022-08-10 15:16:168 days 50 mins ago0x63a32f1595a68e811496d820680b74a5cca303c5 IN  Toucan Protocol: NCT Token0 MATIC0.005714265679 97.130181012
0xd69e378116110a0dc8ed5c45b566e748f76bb4269082060402935f04ba2bf483Transfer317351872022-08-10 15:01:168 days 1 hr ago0x63a32f1595a68e811496d820680b74a5cca303c5 IN  Toucan Protocol: NCT Token0 MATIC0.078511993891 1,334.534410292
0xf7b5c1f61b9d1d4076ea7a7eafa92e55a836c7fa5a58c219c03fba8120e0f214Redeem Many317334762022-08-10 13:46:088 days 2 hrs ago0xd2be832911a252302bac09e30fc124a405e142df IN  Toucan Protocol: NCT Token0 MATIC0.019845828111 134.785575332
0x3780cdb22dd8e24f2bae0127d4fccea330feafcbfc2d0f27300b1b1d298d0d21Transfer317231642022-08-10 6:44:428 days 9 hrs ago0x8ac8844458e1464763d65e771d1ccaa97a184931 IN  Toucan Protocol: NCT Token0 MATIC0.00162201 30.000000018
0xbfc90881015d8a30f266bb5f654baae78a73ef28e87f0ead540b1a65a9831e33Transfer317230352022-08-10 6:40:168 days 9 hrs ago0x88c23b9ef5732272f32ff10dc8df70d09088fc45 IN  Toucan Protocol: NCT Token0 MATIC0.001627892467 30.108799598
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OVERVIEW

ReFI base infrastructure protocol to tokenize carbon offsets (RWA) and pool them with other similar-value assets in order to increase liquidity.

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Contract Source Code Verified (Exact Match)

Contract Name:
UUPSProxy

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 500 runs

Other Settings:
default evmVersion, Unlicense license
File 1 of 7 : ERC1967Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Proxy.sol)

pragma solidity ^0.8.0;

import "../Proxy.sol";
import "./ERC1967Upgrade.sol";

/**
 * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
 * implementation address that can be changed. This address is stored in storage in the location specified by
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
 * implementation behind the proxy.
 */
contract ERC1967Proxy is Proxy, ERC1967Upgrade {
    /**
     * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
     *
     * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
     * function call, and allows initializating the storage of the proxy like a Solidity constructor.
     */
    constructor(address _logic, bytes memory _data) payable {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        _upgradeToAndCall(_logic, _data, false);
    }

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal view virtual override returns (address impl) {
        return ERC1967Upgrade._getImplementation();
    }
}

File 2 of 7 : ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;

import "../beacon/IBeacon.sol";
import "../../utils/Address.sol";
import "../../utils/StorageSlot.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
 * _Available since v4.1._
 *
 * @custom:oz-upgrades-unsafe-allow delegatecall
 */
abstract contract ERC1967Upgrade {
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Returns the current implementation address.
     */
    function _getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        _upgradeTo(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }
    }

    /**
     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCallSecure(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        address oldImplementation = _getImplementation();

        // Initial upgrade and setup call
        _setImplementation(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }

        // Perform rollback test if not already in progress
        StorageSlot.BooleanSlot storage rollbackTesting = StorageSlot.getBooleanSlot(_ROLLBACK_SLOT);
        if (!rollbackTesting.value) {
            // Trigger rollback using upgradeTo from the new implementation
            rollbackTesting.value = true;
            Address.functionDelegateCall(
                newImplementation,
                abi.encodeWithSignature("upgradeTo(address)", oldImplementation)
            );
            rollbackTesting.value = false;
            // Check rollback was effective
            require(oldImplementation == _getImplementation(), "ERC1967Upgrade: upgrade breaks further upgrades");
            // Finally reset to the new implementation and log the upgrade
            _upgradeTo(newImplementation);
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Returns the current admin.
     */
    function _getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        require(newAdmin != address(0), "ERC1967: new admin is the zero address");
        StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     */
    function _changeAdmin(address newAdmin) internal {
        emit AdminChanged(_getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Emitted when the beacon is upgraded.
     */
    event BeaconUpgraded(address indexed beacon);

    /**
     * @dev Returns the current beacon.
     */
    function _getBeacon() internal view returns (address) {
        return StorageSlot.getAddressSlot(_BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
        require(
            Address.isContract(IBeacon(newBeacon).implementation()),
            "ERC1967: beacon implementation is not a contract"
        );
        StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
    }

    /**
     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
     *
     * Emits a {BeaconUpgraded} event.
     */
    function _upgradeBeaconToAndCall(
        address newBeacon,
        bytes memory data,
        bool forceCall
    ) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        }
    }
}

File 3 of 7 : Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/Proxy.sol)

pragma solidity ^0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overriden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overriden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

File 4 of 7 : IBeacon.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.0;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

File 5 of 7 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 6 of 7 : StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/StorageSlot.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        assembly {
            r.slot := slot
        }
    }
}

File 7 of 7 : UUPSProxy.sol
// SPDX-FileCopyrightText: 2021 Toucan Labs
//
// SPDX-License-Identifier: UNLICENSED

pragma solidity ^0.8.0;

import '@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol';

/// @dev Kept for backwards compatibility with older versions of Hardhat and Truffle plugins.
contract UUPSProxy is ERC1967Proxy {
    constructor(
        address _logic,
        address, // This is completely unused by the uups proxy, required to remain compatible with hardhat deploy: https://github.com/wighawag/hardhat-deploy/issues/146
        bytes memory _data
    ) payable ERC1967Proxy(_logic, _data) {}
}

Settings
{
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 500
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

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

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

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

-----Decoded View---------------
Arg [0] : _logic (address): 0x4e1d09a2e138745d48697d59855eda9e4dbb56fe
Arg [1] : (address): 0x8eb30bfaa9abb8aa5ba78f0fa436212bd5ea3ca1
Arg [2] : _data (bytes): 0xb4547470000000000000000000000000000000000000000000000000000000004efe427000000000000000000000000002040d2c67e0af6f9db1e2d31d8ead08f82803d000000000000000000000000000000000000000000000000000000000000003e8000000000000000000000000cfec3cfd322a3941c6e64bcc6ae4a39f1623c3250000000000000000000000000000000000000000000000000000000000001388

-----Encoded View---------------
10 Constructor Arguments found :
Arg [0] : 0000000000000000000000004e1d09a2e138745d48697d59855eda9e4dbb56fe
Arg [1] : 0000000000000000000000008eb30bfaa9abb8aa5ba78f0fa436212bd5ea3ca1
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000a4
Arg [4] : b454747000000000000000000000000000000000000000000000000000000000
Arg [5] : 4efe427000000000000000000000000002040d2c67e0af6f9db1e2d31d8ead08
Arg [6] : f82803d000000000000000000000000000000000000000000000000000000000
Arg [7] : 000003e8000000000000000000000000cfec3cfd322a3941c6e64bcc6ae4a39f
Arg [8] : 1623c32500000000000000000000000000000000000000000000000000000000
Arg [9] : 0000138800000000000000000000000000000000000000000000000000000000


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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