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]
0xc0422535b2284011e82c00921c525f5c312f93d59dc254e28ec8205deeb97befApprove301854242022-06-30 18:43:4049 mins ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.00264578066 51.644134624
0xcefe32fb886e67d8f98cf26a39c98887410d0008344c806e57f6028a38229e6eApprove301810212022-06-30 16:01:343 hrs 31 mins ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.003968246701 77.457920039
0x007f8979a4d5883b4723824139ddc5b7fd033099818b758820a92bb53e242c53Approve301792042022-06-30 14:54:514 hrs 38 mins ago0x27d04dfad734c40a541b602f4950fb3509e79900 IN  Toucan Protocol: NCT Token0 MATIC0.002542793087 74.527186835
0x4c8dc559ff53c80ec364d8b4c380d12ef7d44d59e76469734a090d78fe245a69Approve301779452022-06-30 14:09:255 hrs 23 mins ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.006149094416 120.026827833
0x3b54db6bf721ef9ac1b12e1de4e39368848e253da23f4012af52d575f41f7038Approve301775792022-06-30 13:54:415 hrs 38 mins ago0x27d04dfad734c40a541b602f4950fb3509e79900 IN  Toucan Protocol: NCT Token0 MATIC0.002346418827 45.800761793
0x7fcdedd3087a322e3ae46e59752d1a74ee4a3d33fbcf3eb0bcd83b7951f123b7Transfer301774872022-06-30 13:51:335 hrs 41 mins ago0x1c0accc24e1549125b5b3c14d999d3a496afbdb1 IN  Toucan Protocol: NCT Token0 MATIC0.004330434075 73.619293391
0xecc95b3da6f3205017c2e5069a49bd42806171f74e2126cb8bd008b73c87ff9fApprove301762682022-06-30 13:07:316 hrs 25 mins ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.002325507558 45.392585713
0x99b7586197fe893e0f2fa998b9366675040e5a38c2239d664743ec0bf6811f1aApprove301453952022-06-29 18:06:461 day 1 hr ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.009740376786 310.886240043
0x510180ba738ea4dc37a2f8cc026c69a2ea6e685f7db5dbc4e945ee06a3a23c94Approve301453952022-06-29 18:06:461 day 1 hr ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.008779986201 171.380340052
0x0a6ef44760c037d1bd5bce995eeb6eb6ac4f23cdea35a2effbabba017aa903faApprove301444062022-06-29 17:26:241 day 2 hrs ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.002905790028 56.719369683
0xf23cb5e174d90d04764e926bff357d1a5fdb752c020bc22be76e5d80040e51baApprove301404642022-06-29 15:03:411 day 4 hrs ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.003353918527 65.466583273
0xc15fc2256ff26705e2cf3dfdaef6c035d65ca088fd6b46145c7697ab1fe63435Approve301392742022-06-29 14:19:031 day 5 hrs ago0x7b13c2f7aaa8c772bd0a13a86b0cf633faf790b0 IN  Toucan Protocol: NCT Token0 MATIC0.005160310119 100.749919362
0x366d8d129a0696f802b12bc1ba055982e77cb0dc60b547eebab8e82af3d0e311Approve301372002022-06-29 13:00:241 day 6 hrs ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.002089815383 40.792008417
0x612e524a55f73347d29fa6160b7a0d0d203e83531827c257728e9efa02b4b0b2Redeem Many301350642022-06-29 11:40:361 day 7 hrs ago0x904d01bb87c41f178e5f0aa73c8eaa076c3094b8 IN  Toucan Protocol: NCT Token0 MATIC0.004714842564 31.891521678
0xae388def56e74a3ea0a20cfcecc844301a207e97742a657f5510bc4289103753Redeem Many301278472022-06-29 7:14:521 day 12 hrs ago0xfa99abfc81243b552fbff526a424f3de6e4f3605 IN  Toucan Protocol: NCT Token0 MATIC0.004571230453 30.925139722
0x18ab0c638f8401a788e60f966c9ee48bd6227507089bea63afa203a94cea0957Transfer301276832022-06-29 7:09:161 day 12 hrs ago0x4e5da962b5edf02dff510b8676bd8db9f301376f IN  Toucan Protocol: NCT Token0 MATIC0.00167582834830.993681305
0x9029b91f6e00b6bf18af36e5ab5ccb6ddd47f4c1d3e8e8f2b7425d9b5ac3061bApprove301131672022-06-28 22:09:231 day 21 hrs ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.003076933861 60.060000024
0x995236985b6f0d7f83b82e36879263c1745c0278cc228d342d7db64927a95511Approve301126422022-06-28 21:51:211 day 21 hrs ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.003742834398 73.058000016
0x6afa7fdc4203857cc559b742fb4faed24cdea0d95bc330911a892b761298bd1eApprove301121822022-06-28 21:33:211 day 21 hrs ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.002820471474 55.054000014
0xf112913edc0bd89140433d0438a6feaf6f170592ddacbb95a10207b6d4297616Approve301116992022-06-28 21:15:191 day 22 hrs ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.002840451565 55.444000037
0x6126da458e25a8037dfb587b19a8b675dcffcc930dd4aa9a98c8d186e25eb13fApprove301111962022-06-28 20:57:191 day 22 hrs ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.003702566832 72.272000012
0x27d042967cec99de9baf8c25992a6f2397c2766ece5a813233a70fbd22c2dcc1Approve301107272022-06-28 20:39:201 day 22 hrs ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.003401635939 66.398000022
0x508471c8e2ec3730132e132f5f7c31c93893ec68eb39cb6a042fc3906052a7fdApprove301102232022-06-28 20:21:441 day 23 hrs ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.002974318167 58.057000013
0x15579c2d2851b43f930b9dfaded7d49a010ace9bd69c250939fa5535c14495c5Approve301096922022-06-28 20:03:261 day 23 hrs ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.002256366933 44.043000017
0x5a92248ce9f9bcfc4397a43d60f87c8531fb1fc63efe707424d0720e6da68401Approve301092292022-06-28 19:45:241 day 23 hrs ago0xa895f5e48e91bd314ab146bd235b4345f657f497 IN  Toucan Protocol: NCT Token0 MATIC0.002717907012 53.052000013
[ Download CSV Export 

OVERVIEW

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

Parent Txn Hash Block From To Value
Loading

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
Loading
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.