Contract 0x9E7b780Ebc944260081A443d5703D86DcAef002c

 

Contract Overview

Balance:
0 MATIC

MATIC Value:
$0.00

Token:
 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x0aac33b85e38e781dedbc00db745ad268b7b86bf69907b9ac46c42870a5de8f3Claim351599432022-11-03 18:53:0723 days 4 hrs ago0x9ba34015169d84ab24c45a10e70b5b3a760e79e0 IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.008464416204 81.265156821
0x8e37ff88e986fd22f8103b99bd93877bd2bc336aa8b7c84e704606c2fae362e7Claim351258622022-11-02 22:46:5624 days 29 mins ago0xbce483ac9a7efb94f084bea2cc7c03fd1b236dfc IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.004555312909 52.33826129
0xa7898ffe8f27378508df3668a8d5c91d4b1cf7293181f158710bbbea61d9b680Claim351234182022-11-02 21:19:4924 days 1 hr ago0x0926f398efba85e913e362d7b320f6e100d8e23d IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.005776855699 82.578416421
0x35b259b182e571596facf6bedcccf7b8a13532917cfadc6ef256d3a7707b71a0Claim351077502022-11-02 12:00:4524 days 11 hrs ago0x5ff45726ec12f28c2975f4772546298ba6dbd3f2 IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.00463969408344.531943057
0xa4d71aa2e9c3e997e14fcc3d0d23fc16d660587e43b0105f5a8c1a34dbb7895dClaim350772072022-11-01 18:14:4925 days 5 hrs ago0x354f349547269a6c3df3300040ae908ac003490d IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.003364259734 38.635013836
0x850d51bac90bac3dbcc6262992c128a5e2eac61cfc11f7769706730548a972eaClaim350558512022-11-01 5:50:1625 days 17 hrs ago0xe74e741e3db668f9abd1daf96851a3586d5b35b4 IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.003795924 44
0xeda04be5a34e267102cb4c9f688daadb18c4d5c3bb2d1de1cf72a0b1ba2c6152Claim350550282022-11-01 5:20:4725 days 17 hrs ago0xbc9cb4c9eb7ad827a982a2f5e4c884fbca33f17a IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.004621650399 66.065103775
0x586ead2b513c8c5bdc06498411adccb3ea4200dd95c81544fee8b0fb4240e4f5Claim350267522022-10-31 12:37:3726 days 10 hrs ago0x6f173efbff72c7b30c64fc38fdab81c34ad32b43 IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.003870140505 44.43840287
0xbd6df5d9a18cf6348b50818f2ada385b47003035851739e3f6da81d37b289d0dClaim350236392022-10-31 10:37:5526 days 12 hrs ago0x2b2aba926a94221c5602dc82065610440102d613 IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.002368407114 33.854700174
0x5de65fe7f8d9df6db32f56565346541207ff65cedc6d4bf0c501b62d3a03ef4bClaim350229462022-10-31 10:14:0526 days 13 hrs ago0x81ec959a48756984c2c94db1bf9d4bb18746ee2a IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.002355190222 33.660000328
0x9fb1fad774fe843afa55908251ac4c759f1a14d07d5c2951bfd4c1b521e76fe9Claim350205682022-10-31 8:52:2126 days 14 hrs ago0x8c04702673f8453d9bb08142557c8e937498c350 IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.002875387114 33.028407666
0x553b835a162bfcc64d312e7defe15e4222f3e0a41896fcd7a5b9b1c0f1cac986Claim349391932022-10-29 8:53:2728 days 14 hrs ago0x7113fb96f23d061cb116b830e629c7e5bfc335ad IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.002738690132 39.146514184
0xab8f6014ae9f3c97c5d320ab7df197cdc076d7e8f0d612da19f8873d23fd7d98Claim348229062022-10-26 12:38:5531 days 10 hrs ago0xf9f9fa312c7052b7ff45ec8933bc7a743165f20f IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.003421913838 84.713418786
0x194aa222e47ca6604de4874b8583a779678b39de4b48024190fcf267b236b99dClaim348228892022-10-26 12:38:2131 days 10 hrs ago0xf9f9fa312c7052b7ff45ec8933bc7a743165f20f IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.008821547151 84.713418786
0xe0d2812d551f8dff9080e8fa5b26b92ba254adc22af112406f397b5ca2ae3b33Claim346658012022-10-22 16:26:0335 days 6 hrs ago0x4503332994eec738fc5cf7d7248c0e8dc45a2920 IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.009526444461 91.442162229
0xc92a73606f6574e2a2e07200793e276347f1e5c6175e888c146768f070bc109fClaim345708652022-10-20 8:43:1237 days 14 hrs ago0x9717fa37a1296d241dbb17646beaaa719bec1d35 IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.024049265554 276.275911613
0xa0d1065759ba8b8a645dc76a5d65a2f421e15b50abd31cd4fa8b777d2688a56aClaim341011492022-10-08 21:27:3849 days 1 hr ago0x2b2aba926a94221c5602dc82065610440102d613 IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.003437214001 33.000000013
0x7f1a297ef108fa9f55e73f1b1a3298cadd73a6c368d4074296febcdda2ce3182Claim340824522022-10-08 10:38:1749 days 12 hrs ago0x18f43a59d698ea7a4f5a0c11e7aa50973f5b396b IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.002308614001 33.000000015
0xf775c2eb72d47a69d6dcfaa0a8c085562bcfbf90e6a03c8c98b2e51145c58190Claim340799392022-10-08 9:11:5149 days 14 hrs ago0x8d9b841762e9ab01e033102926e2aefcd739df8b IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.003437610002 33.000000023
0xd7ad9c6962bbcbba3a1f4f8f00df7811149cfdfa3288b34394c768266ad3a541Claim340354362022-10-07 7:23:4050 days 15 hrs ago0x78a24006edb042ad81aa0153b4979b7662f136f9 IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.002872122002 33.000000029
0x4a677450ad2db65b9d4e8bc3f8c9af51d39d178711e1df6cb0ffbe93ea8ff635Claim339379192022-10-04 22:46:2453 days 30 mins ago0x8efa5b361b4e66a30e38c11b0739e84bcb9dfc11 IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.003437544001 33.000000013
0xff48476c5023ee1d8abaae051743155f3837d1f176affd916a3fa47426f1c891Claim339317772022-10-04 19:15:0753 days 4 hrs ago0x7e5f4b34d239097688267c696e3c5294e05800e2 IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.003437874001 33.000000012
0x9157bb969ba428e0278b7863fb94ceda8d5e6912aa4c82326412d06f0041180aClaim339236282022-10-04 14:32:2753 days 8 hrs ago0x81ec959a48756984c2c94db1bf9d4bb18746ee2a IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.002309010002 33.00000003
0xd20a2a3f124764b41e3dae4691b47c5419ade7fe06998b2f6ec39a1c8f006469Claim339236152022-10-04 14:32:0153 days 8 hrs ago0xa5945dc6972cf17c8abf0a6410a799b94b189bb8 IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.002880345161 33.077000012
0x2b25df0904d61d6d8a4d8c8395b684d8405b9e8d4aa591a090692d1de1fa103aClaim339122302022-10-04 7:59:2353 days 15 hrs ago0x22933773a6020feb3bc10d4c8c8d47b033fa20cc IN  0x9e7b780ebc944260081a443d5703d86dcaef002c0 MATIC0.003048080005 35.000000065
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0x9a69cdf30ec4adfd2278db0ff3662bad82fd69a075bb69ef4e36087a80586831290327702022-06-01 12:22:36178 days 10 hrs ago 0x73205567d90a45533879ef39a29920056225efb2  Contract Creation0 MATIC
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x236194575DF44f54e7FBdF2bc3A3F00548C9591e

Contract Name:
ERC1967Proxy

Compiler Version
v0.8.9+commit.e5eed63a

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at polygonscan.com on 2022-09-20
*/

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Proxy.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
        }
    }
}

/**
 * @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
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 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);
            }
        }
    }
}

/**
 * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
 * proxy whose upgrades are fully controlled by the current implementation.
 */
interface IERC1822Proxiable {
    /**
     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
     * address.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy.
     */
    function proxiableUUID() external view returns (bytes32);
}

/**
 * @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);
}


/**
 * @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 _upgradeToAndCallUUPS(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        // Upgrades from old implementations will perform a rollback test. This test requires the new
        // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
        // this special case will break upgrade paths from old UUPS implementation to new ones.
        if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {
            _setImplementation(newImplementation);
        } else {
            try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
                require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
            } catch {
                revert("ERC1967Upgrade: new implementation is not UUPS");
            }
            _upgradeToAndCall(newImplementation, data, forceCall);
        }
    }

    /**
     * @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);
        }
    }
}


/**
 * @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 internal 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 overridden 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 internal 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 overridden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

/**
 * @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();
    }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","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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Deployed ByteCode Sourcemap

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Swarm Source

ipfs://6a99b83505c08050563fe1c0be965df19794e0665589aa5074b00dd832c415d4
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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