Contract 0xf526773f39f242a1a669cb5d88dcb4d61363fb55 1

Contract Overview

Balance:
1,000.6385999999999616 GLMR

GLMR Value:
$374.71 (@ $0.37/GLMR)

Token:
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x3290a043278d492f928f0234186bc78a5a60149a20933229634789d130c741330xf99ca21532267762023-03-27 7:12:241 hr 11 mins ago0x9e4fdf751100011bab0cd5ded27a927d13e507a3 IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0236798
0xe84ae8c3fe370e5b341e533157145d0b0ffdc2c9d8288c29af2f6ffc0e54c69a0xa440aac832237232023-03-26 20:46:0611 hrs 38 mins ago0x9e4fdf751100011bab0cd5ded27a927d13e507a3 IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0149036
0x723b167c46ad4287622d76a7aabfc52b33e9491cb35a33dc99e1311b5025f3690xa440aac832236792023-03-26 20:37:0611 hrs 47 mins ago0x9e4fdf751100011bab0cd5ded27a927d13e507a3 IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0177976
0x733c707631b297cce3ec6f4329fa16c2b9d68606b8f85243eb12e6e672caa0300xf99ca21532214432023-03-26 12:51:2419 hrs 32 mins ago0x390d9a55eef37581f183afff7b0d4f8ebb8d23fd IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0407555
0x5891fb1d1726056352c4de38424ade454985a6d2247e7f5e94f015b45cae372f0xf99ca21532214312023-03-26 12:49:0019 hrs 35 mins ago0x390d9a55eef37581f183afff7b0d4f8ebb8d23fd IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0236846
0x77b3ffad56b7ea3770359543db5d638c4d4c5728b01c131caa13285c1765980f0xf99ca21532152912023-03-25 15:35:241 day 16 hrs ago0x488aa7ed971a678ed5f5ddd420317a8de07fa0ec IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0254078
0x418f15914b2aa8ec4f2c546976ee69da7f63fa5e0047fa4b6ce128dff58931fe0xa440aac832152872023-03-25 15:34:301 day 16 hrs ago0x488aa7ed971a678ed5f5ddd420317a8de07fa0ec IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0177988
0x0f8236f1112fb295b40d0fa5d065fcc0fae7a8061f8019fbb0f512a233c78e8f0xf99ca21532150742023-03-25 14:50:541 day 17 hrs ago0xc49eaa7485685480017187cd5a11644801855c35 IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.023687
0xceb56cad205de32a6c3e8634e1054aeb00ec11a3ea4ecf4612884debe67e938d0xa440aac832135352023-03-25 9:29:541 day 22 hrs ago0x2af5efc84f470a6fbc6a8bb44c445c32302f18b4 IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0275299
0x04c131d36f56742f376f7dd35a81ffbdb98eaf47213cceec7a0924f3fe21fd530xa440aac831263432023-03-12 13:52:1214 days 18 hrs ago0x390d9a55eef37581f183afff7b0d4f8ebb8d23fd IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0103421
0x2afd4e08358d893c85263935b1257ad44f3cb4196f4b3f8c100dc18074fcdcb50xf99ca21530956862023-03-07 15:47:3619 days 16 hrs ago0x488aa7ed971a678ed5f5ddd420317a8de07fa0ec IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0210116
0x9d4e862122c6c27c3007214deda5ed43362542213721537206b157e5cd5fa1c40xa440aac830956782023-03-07 15:45:4819 days 16 hrs ago0x488aa7ed971a678ed5f5ddd420317a8de07fa0ec IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0304348
0x017d122d0495521f59152eb0eb66df8a32d539dadac22b728f85d0403a53ec8a0xa440aac830585912023-03-02 9:38:3624 days 22 hrs ago0x488aa7ed971a678ed5f5ddd420317a8de07fa0ec IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0041077
0x7aac55f72238ccabd01fee3f96bc792eaebfeea241320b2c995b9650f100719e0xa440aac830585622023-03-02 9:32:1224 days 22 hrs ago0x488aa7ed971a678ed5f5ddd420317a8de07fa0ec IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0041077
0x6321d6abc7ee0ff39d7f75b365b857640348f6a029cf1587becc30a35530c1540xa440aac830585272023-03-02 9:25:0624 days 22 hrs ago0x488aa7ed971a678ed5f5ddd420317a8de07fa0ec IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0252577
0x02b68773660c9fe69d9b786e00b3abe8c30b5b0484490b0c87855ee74fb96ddd0xf99ca21530397032023-02-27 16:59:5427 days 15 hrs ago0xc49eaa7485685480017187cd5a11644801855c35 IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0236906
0x769bfe4bae81b28eb3676e5980f321037c53015da94913a091b6824e3ea131970xa440aac830396892023-02-27 16:57:0627 days 15 hrs ago0xc49eaa7485685480017187cd5a11644801855c35 IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0304836
0x1fd24d92e82f774f8d9b4e9d7f7a0cc695e69905b2491bbd97e81729e5f2e91f0xf99ca21530295962023-02-26 6:27:4829 days 1 hr ago0x488aa7ed971a678ed5f5ddd420317a8de07fa0ec IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0103015
0xf11c22d40f9615eb94991d8a020d269d148c4dc03618272c53c22bdbe99e91770xf99ca21530255212023-02-25 16:31:3629 days 15 hrs ago0xc49eaa7485685480017187cd5a11644801855c35 IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0248346
0x85978ab17aca66fc4c3ba0b8a77c5aa143b40233ed494f974c7e891b4674876b0xa440aac830170592023-02-24 11:41:1830 days 20 hrs ago0x488aa7ed971a678ed5f5ddd420317a8de07fa0ec IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0149024
0xf97ab678b9c931bc20c7f271cb0ccde569ea27d050ce5fbff31128a92b2521d60xf99ca21530052872023-02-22 19:38:3032 days 12 hrs ago0x0c2d85c612821e4e4dbf3cdfe5ede0b7783a735f IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0173599
0xf82973b77ee8358afbf83896efacb96f402849f9adc90b23ef572d30c806bf740xf99ca21530001572023-02-22 2:02:4233 days 6 hrs ago0x819ff0154b509477d7f7c38672d43f95614d57e3 IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0327947
0x5f885dcf7bcdcc5fdc72b86608d15f78816ec496a108372f15303ab05b4432c90xa440aac830001522023-02-22 2:01:4233 days 6 hrs ago0x819ff0154b509477d7f7c38672d43f95614d57e3 IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0460514
0x999fc3f91f40abaed81a07f336d65cd25002862a3cc9a331ddb14657548c16480xa440aac829863562023-02-20 2:32:5435 days 5 hrs ago0x2af5efc84f470a6fbc6a8bb44c445c32302f18b4 IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0166136
0xbf95bf76c15eae5286bb1148418e6f2ffc6a3c72f2d85babdbcbae6d72376d3f0xf99ca21529717772023-02-18 0:34:1837 days 7 hrs ago0xc49eaa7485685480017187cd5a11644801855c35 IN  0xf526773f39f242a1a669cb5d88dcb4d61363fb550 GLMR0.0236918
[ Download CSV Export 
Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x514d911f8f0962a7f2272448bc977c450598421d1e97c7980f73f7e76a711ba17669702022-04-07 6:11:24354 days 2 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550x30a522015656c61879c2398026d59418de4049ea13 GLMR
0x2a0e1c86ff73eff3a16c85e959ed507026ecd39f4c01a89b4a25f8c78bcf91f07659552022-04-07 2:43:30354 days 5 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550x0372961a990a4a0bf1fc93c90e035afe4444a4996.24 GLMR
0xad34c3f719db24b66f692cfe287a3371f0f0f758202c0cf4601cd323804685d37645792022-04-06 22:01:36354 days 10 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550x43928317742ff706b0ef01176cf8a2c5073f8cbd5.720000000000001024 GLMR
0x48662337be544a5e4e8292664bb162171bfe81efbef13d7ab42fa53f40e2374f7645752022-04-06 22:00:48354 days 10 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xd2a300b1ec5840534d5d9ba37910626552bf21ae3.640000000000000512 GLMR
0xc4916b7e4c166ed0a5538010313a0c0f7c576afa761fec4297612a663a9611757641582022-04-06 20:34:24354 days 11 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550x1bc2b879de2fb1c462f92817ddffc2e58784a9009.08 GLMR
0x3b30fa5c4185ce0d91ba23c5e7e363ea993c534872ed3efa0e4c78e7c2dbc1097640642022-04-06 20:15:36354 days 12 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xdc9fecd79b06a723483625f23b468a0fe39808b43.360000000000000512 GLMR
0xde6f55f2f05223fe2d6c0272e23b5a4248af0c56365857888198e8d6d71041217631792022-04-06 17:10:54354 days 15 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xc49eaa7485685480017187cd5a11644801855c358.586 GLMR
0xe3e8fd2369f606c0da8fbb86a6bcccc5cdbbcdb8d0b0bced5368c385c6cf6a137628242022-04-06 15:56:00354 days 16 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xdc9fecd79b06a723483625f23b468a0fe39808b44.519999999999999488 GLMR
0x21add2de2e63a629b123ec270ae258c4563a4a8a0e3a195b594c51ca9cabcd727621752022-04-06 13:37:00354 days 18 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550x7c695342402f8420993df79496780c03ee063b8e7.503999999999998976 GLMR
0xca16f612741e09a17416aec7fe1a55b756b168551801a0bc373246cd36f4935d7620062022-04-06 13:01:18354 days 19 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xd2a300b1ec5840534d5d9ba37910626552bf21ae4.320000000000000512 GLMR
0xd7631cbcf04468ae234f1f098e5a0d2ba3c21def6872bb1ce3bca023deb1b06e7610062022-04-06 9:35:18354 days 22 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xd2a300b1ec5840534d5d9ba37910626552bf21ae3.56 GLMR
0x22d6ebb3fb4eb5f45e6d064102b34d8bbd691efb3bb25f62d2984938af2b48ee7610052022-04-06 9:35:06354 days 22 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xc6d26c74982cb95a55f2af305777e4c8437504933.56 GLMR
0x16ca4dee4a686809b1b2d452fff2bafe3220796b4c1ca571c4fc517e1363c5927604892022-04-06 7:46:36355 days 37 mins ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xdf5e711caaa6e4be4d4992bbd29bd0f7a8ffc14b13.464000000000002048 GLMR
0x09f2d1905e58b303cc0703f6450c62f6654657f722f19a62ba1e9a14dff7fb337593562022-04-06 3:53:18355 days 4 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xf609b13256f09adca2eec9b24ce78e842a47135a5.368000000000001024 GLMR
0x86c5924d268cddd5344f49b5b8e48adc635f6b39b23cbd499533f8821a26063a7566942022-04-05 18:47:24355 days 13 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xca834acb6e9aafc82dae731b32b651328ffac8af5.32 GLMR
0x9faa6ee1d4ec6f1019bbfe494b00536a8cfb6faba98b859cfe661c02a66969847547922022-04-05 12:13:48355 days 20 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xd2a300b1ec5840534d5d9ba37910626552bf21ae4.64 GLMR
0x2a927be7e76b697dee6704651d267c2813b0571b18883a0d8b8cbb8b525a6fae7534222022-04-05 7:30:42356 days 53 mins ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xdf5e711caaa6e4be4d4992bbd29bd0f7a8ffc14b9.988 GLMR
0xe3a12f23fb71f893dee13b5b9265880a475713099fbdef1bd32c8fa95b982b1b7530962022-04-05 6:23:48356 days 2 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550x1bc2b879de2fb1c462f92817ddffc2e58784a9008.24 GLMR
0x750139a6e656835132be94946942cb4cf1ddab1bae68dcd0e8135ebdae8f899f7529502022-04-05 5:53:24356 days 2 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xac72a47cc2e897c1e416e4a146b91a2ba511b2404.76 GLMR
0x1c0cfab8fc1b0b0a6d510413efd0b6b2544d3d13d7359bf48c372570fb1faa207526252022-04-05 4:46:24356 days 3 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xe84e58b6be5da20100a6af3ec6572e58d5ce7f1815.12 GLMR
0x17a96fa45f365db4388af2f23bc957a0f36424660028dd9dfca3d092f1a714727525822022-04-05 4:37:30356 days 3 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xc13043fa51e7d72d0a5d88c35a1b1887ae6314036.56 GLMR
0x50475e288e1fd7ec9be11f52f76122ae58c9b4895c2b6d6c7277726cc0c614d77525742022-04-05 4:35:42356 days 3 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550xae52084266390e88c71ac139e063820a215e705b8.360000000000001024 GLMR
0xdb558ed9b1d16ca1bac0dd5f9c3480eb1e15e3b3f7b2964bdc8309759f1cc2607525702022-04-05 4:34:54356 days 3 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550x5c1f27e4b98a2adfeef34917309c65625a3568e93.56 GLMR
0xd6071c57204e2cbf5bc40bb3142d08404e92528cf46b2049d0530a11a87d1ab27499722022-04-04 19:40:54356 days 12 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550x59c57383f65d9502a1c4e92cfe436624203f39cd4.400000000000000512 GLMR
0x25d0bd6da4e8190fcb9c1b80a14d85ec42bfdb9b25e8da15b13cb17a7d14c10a7483862022-04-04 14:11:36356 days 18 hrs ago 0xf526773f39f242a1a669cb5d88dcb4d61363fb550x06c7d440a2ae3fa4b09ea8c53baab7898cf8c8e65.04 GLMR
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Loading
This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.

Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x666acE19dcB5Fb960Ef25517c2baf457b3DF8163

Contract Name:
ERC1967Proxy

Compiler Version
v0.8.2+commit.661d1103

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at moonbeam.moonscan.io on 2022-03-25
*/

// Sources flattened with hardhat v2.8.3 https://hardhat.org

// File @openzeppelin/contracts/proxy/[email protected]

// SPDX-License-Identifier: MIT

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 {
        // solhint-disable-next-line no-inline-assembly
        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 @openzeppelin/contracts/proxy/beacon/[email protected]

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 @openzeppelin/contracts/utils/[email protected]

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @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");

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

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

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

// File @openzeppelin/contracts/utils/[email protected]

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 @openzeppelin/contracts/proxy/ERC1967/[email protected]

pragma solidity ^0.8.2;

/**
 * @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 {
        _setImplementation(newImplementation);
        emit Upgraded(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
            _setImplementation(newImplementation);
            emit Upgraded(newImplementation);
        }
    }

    /**
     * @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 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;
    }
}

// File contracts/ERC1967Proxy.sol

pragma solidity ^0.8.0;

/**
 * @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 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://9b8470f06e8a3960c912103fc2be177edaad69584ee3c7d2809ee737e79408e7
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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