Token USD Coin

Overview ERC20

Price
$1.00 @ 2.809871 GLMR (+0.12%)
Fully Diluted Market Cap
Total Supply:
51,319,715.564273 USDC

Holders:
10,168 addresses
Balance
0 USDC

Value
$0.00
0x8b6784b18d534b98d738719f05b0a8a54bb4c098
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Market

Volume (24H):$2,771,606,380.00
Market Capitalization:$43,229,926,838.00
Circulating Supply:43,192,941,985.00 USDC
Market Data Source: Coinmarketcap


Update? Click here to update the token ICO / general information
# Exchange Pair Price  24H Volume % Volume
1
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$0.9983
0.0000582 Btc
$462,142,360.00
460,386,818.098 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.2787%
2
LBank
BTC-USDC$1.003
0.0000583 Btc
$296,437,722.00
17,243.891 BTC
0.0000%
3
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$0.9983
0.0000582 Btc
$232,667,353.00
233,066,867.632 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.1411%
4
LBank
ETH-USDC$1.003
0.0000583 Btc
$143,320,513.00
111,030.376 ETH
0.0001%
5
MEXC Global
ETH-USDC$1.00
0.0000583 Btc
$125,276,489.00
97,308.981 ETH
0.0001%
6
Bitforex
USDC-USDT$1.003
0.0000583 Btc
$101,567,835.00
101,252,148.720 USDC
0.0613%
7
MEXC Global
BTC-USDC$1.00
0.0000583 Btc
$97,756,698.00
5,700.990 BTC
0.0000%
8
Bitforex
BTC-USDC$1.003
0.0000583 Btc
$85,261,841.00
4,960.806 BTC
0.0000%
9
BKEX
BTC-USDC$1.00
0.0000583 Btc
$47,291,720.00
2,794.413 BTC
0.0000%
10
Uniswap (Arbitrum One)
0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8$0.9998
0.0000583 Btc
$37,539,557.00
29,329.700 0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1
0.0000%
11
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$0.9983
0.0000582 Btc
$28,637,463.00
28,460,394.004 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0172%
12
OKX
BTC-USDC$1.001
0.0000583 Btc
$26,008,524.00
1,535.779 BTC
0.0000%
13
Kraken
USDC-USD$1.00
0.0000583 Btc
$25,617,603.00
25,617,603.204 USDC
0.0155%
14
Huobi
USDC-USDT$1.001
0.0000583 Btc
$23,871,955.00
23,851,988.361 USDC
0.0144%
15
BitMart
BTC-USDC$1.00
0.0000583 Btc
$23,264,718.00
1,356.794 BTC
0.0000%
16
OKX
USDC-USDT$1.001
0.0000583 Btc
$22,872,192.00
22,860,106.392 USDC
0.0138%
17
BingX
BTC-USDC$1.001
0.0000583 Btc
$20,216,149.00
1,190.912 BTC
0.0000%
18
BKEX
ETH-USDC$1.00
0.0000583 Btc
$19,338,101.00
15,147.834 ETH
0.0000%
19
XT.COM
USDC-USDT$1.00
0.0000583 Btc
$18,171,060.00
18,161,110.950 USDC
0.0110%
20
WhiteBIT
USDC-USDT$1.001
0.0000583 Btc
$18,060,678.00
18,048,683.356 USDC
0.0109%
21
DigiFinex
BTC-USDC$1.003
0.0000583 Btc
$17,006,621.00
989.212 BTC
0.0000%
22
P2B
USDC-USDT$1.003
0.0000583 Btc
$16,751,281.00
16,700,886.000 USDC
0.0101%
23
P2B
USDC-BUSD$1.003
0.0000583 Btc
$16,716,822.00
16,663,153.050 USDC
0.0101%
24
Kraken
USDC-EUR$1.00
0.0000583 Btc
$16,639,804.00
16,637,478.837 USDC
0.0101%
25
OKX
ETH-USDC$1.001
0.0000583 Btc
$14,358,838.00
11,237.386 ETH
0.0000%
26
BKEX
USDC-USDT$1.001
0.0000583 Btc
$13,865,337.00
13,857,722.508 USDC
0.0084%
27
DigiFinex
USDC-USDT$1.003
0.0000583 Btc
$13,409,957.00
13,368,276.711 USDC
0.0081%
28
Bybit
USDC-USDT$1.001
0.0000583 Btc
$11,546,723.00
11,539,310.640 USDC
0.0070%
29
Uniswap (v3)
0X6B175474E89094C44DA98B954EEDEAC495271D0F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9983
0.0000582 Btc
$10,524,685.00
10,542,660.471 0X6B175474E89094C44DA98B954EEDEAC495271D0F
0.0064%
30
DigiFinex
ETH-USDC$1.003
0.0000583 Btc
$10,484,138.00
8,122.880 ETH
0.0000%
31
Kraken
USDC-USDT$1.00
0.0000583 Btc
$9,899,803.00
9,895,870.851 USDC
0.0060%
32
Bybit
ETH-USDC$1.001
0.0000583 Btc
$8,314,860.00
6,445.732 ETH
0.0000%
33
KuCoin
BTC-USDC$1.001
0.0000583 Btc
$7,851,790.00
457.495 BTC
0.0000%
34
KuCoin
USDC-USDT$1.003
0.0000583 Btc
$7,550,278.00
7,528,918.337 USDC
0.0046%
35
BingX
ETH-USDC$1.001
0.0000583 Btc
$7,490,368.00
5,850.882 ETH
0.0000%
36
WhiteBIT
BTC-USDC$1.00
0.0000583 Btc
$7,326,752.00
427.241 BTC
0.0000%
37
BingX
USDC-USDT$1.002
0.0000583 Btc
$6,593,439.00
6,582,077.769 USDC
0.0040%
38
Bybit
BTC-USDC$1.001
0.0000583 Btc
$6,392,067.00
372.294 BTC
0.0000%
39
BitMart
ETH-USDC$1.001
0.0000583 Btc
$5,937,109.00
4,606.273 ETH
0.0000%
40
MEXC Global
AVAX-USDC$1.001
0.0000583 Btc
$5,028,196.00
381,802.290 AVAX
0.0002%
41
MEXC Global
XRP-USDC$1.00
0.0000583 Btc
$4,968,868.00
12,367,451.340 XRP
0.0075%
42
MEXC Global
DOGE-USDC$1.00
0.0000583 Btc
$4,959,279.00
47,452,018.860 DOGE
0.0287%
43
Uniswap (v2)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.002
0.0000584 Btc
$4,887,741.00
4,857,598.291 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0029%
44
KuCoin
USDT-USDC$1.001
0.0000583 Btc
$4,513,238.00
4,509,351.059 USDT
0.0027%
45
Gemini
USDC-USD$0.9996
0.0000583 Btc
$3,898,790.00
3,900,311.587 USDC
0.0024%
46
Kraken
BTC-USDC$1.00
0.0000583 Btc
$3,239,866.00
188.949 BTC
0.0000%
47
Bitget
BTC-USDC$1.001
0.0000583 Btc
$2,919,324.00
172.176 BTC
0.0000%
48
ZigZag (Arbitrum)
WETH-USDC$1.001
0.0000583 Btc
$2,918,347.00
2,283.320 WETH
0.0000%
49
Uniswap (v3)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9983
0.0000582 Btc
$2,886,390.00
170.437 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
50
WhiteBIT
ETH-USDC$1.00
0.0000583 Btc
$2,833,992.00
2,201.489 ETH
0.0000%
51
MEXC Global
USDC-USDT$1.00
0.0000583 Btc
$2,806,092.00
2,805,069.200 USDC
0.0017%
52
Tidex
BTC-USDC$1.003
0.0000583 Btc
$2,402,571.00
139.674 BTC
0.0000%
53
Binance US
USDC-USD$0.9999
0.0000583 Btc
$2,169,859.00
2,170,076.414 USDC
0.0013%
54
MEXC Global
BCH-USDC$1.00
0.0000583 Btc
$2,150,061.00
19,050.700 BCH
0.0000%
55
MEXC Global
EOS-USDC$1.00
0.0000583 Btc
$2,094,516.00
2,220,179.190 EOS
0.0013%
56
Sushiswap
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$0.9983
0.0000582 Btc
$2,027,095.00
2,027,761.337 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0012%
57
Kraken
USDC-GBP$1.00
0.0000583 Btc
$2,003,643.00
2,003,556.295 USDC
0.0012%
58
Kraken
ETH-USDC$1.00
0.0000583 Btc
$1,716,408.00
1,333.185 ETH
0.0000%
59
MEXC Global
SOL-USDC$1.001
0.0000583 Btc
$1,566,147.00
112,496.940 SOL
0.0001%
60
MEXC Global
SHIB-USDC$1.00
0.0000583 Btc
$1,522,486.00
164,001,044,986.000 SHIB
99.2678%
61
MEXC Global
LTC-USDC$1.00
0.0000583 Btc
$1,461,459.00
18,897.530 LTC
0.0000%
62
MEXC Global
FTM-USDC$1.00
0.0000583 Btc
$1,316,818.00
5,603,816.820 FTM
0.0034%
63
MEXC Global
ADA-USDC$1.00
0.0000583 Btc
$1,214,320.00
3,829,070.410 ADA
0.0023%
64
Bitget
USDC-USDT$1.001
0.0000583 Btc
$1,146,160.00
1,145,302.195 USDC
0.0007%
65
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-BUSD$0.9998
0.0000583 Btc
$1,135,076.00
1,133,404.005 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0007%
66
MEXC Global
TRX-USDC$1.001
0.0000583 Btc
$1,027,083.00
18,783,186.840 TRX
0.0114%
67
Bitstamp
USDC-EUR$0.9994
0.0000582 Btc
$890,115.00
890,640.814 USDC
0.0005%
68
Bitget
ETH-USDC$1.001
0.0000583 Btc
$840,387.00
658.054 ETH
0.0000%
69
BitMart
USDC-USDT$1.00
0.0000583 Btc
$684,940.00
684,633.340 USDC
0.0004%
70
Bitstamp
USDC-USD$1.00
0.0000581 Btc
$655,423.00
655,396.765 USDC
0.0004%
71
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-USDT$1.002
0.0000583 Btc
$491,454.00
489,294.409 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0003%
72
Coinbase Exchange
USDC-EUR$1.00
0.0000582 Btc
$358,983.00
358,896.280 USDC
0.0002%
73
MEXC Global
MATIC-USDC$1.00
0.0000583 Btc
$342,194.00
370,096.010 MATIC
0.0002%
74
MEXC Global
AAVE-USDC$1.001
0.0000583 Btc
$314,222.00
4,851.706 AAVE
0.0000%
75
Binance US
USDC-USDT$1.001
0.0000583 Btc
$304,875.00
304,672.116 USDC
0.0002%
76
Coinbase Exchange
USDT-USDC$1.003
0.0000583 Btc
$301,556.00
300,629.420 USDT
0.0002%
77
MEXC Global
BNB-USDC$1.00
0.0000583 Btc
$276,830.00
930.600 BNB
0.0000%
78
Bitget
BCH-USDC$1.001
0.0000583 Btc
$257,791.00
2,287.446 BCH
0.0000%
79
Bitfinex
UDC-USDT$1.00
0.0000583 Btc
$257,193.00
257,064.802 UDC
0.0002%
80
MEXC Global
ENS-USDC$1.001
0.0000583 Btc
$246,821.00
17,458.790 ENS
0.0000%
81
BitMart
DAI-USDC$1.00
0.0000583 Btc
$220,121.00
220,216.600 DAI
0.0001%
82
MEXC Global
OP-USDC$1.001
0.0000583 Btc
$178,479.00
169,147.020 OP
0.0001%
83
Bitget
BNB-USDC$1.001
0.0000583 Btc
$173,869.00
581.184 BNB
0.0000%
84
CoinEx
USDC-USDT$1.004
0.0000583 Btc
$159,241.00
158,676.816 USDC
0.0001%
85
MEXC Global
WBTC-USDC$1.001
0.0000583 Btc
$154,482.00
9.008 WBTC
0.0000%
86
Okcoin
USDC-USD$1.00
0.0000583 Btc
$150,898.00
150,882.434 USDC
0.0001%
87
MEXC Global
APE-USDC$1.00
0.0000583 Btc
$150,493.00
37,974.570 APE
0.0000%
88
Bitget
ADA-USDC$1.001
0.0000583 Btc
$145,091.00
460,174.000 ADA
0.0003%
89
MEXC Global
ALGO-USDC$1.001
0.0000583 Btc
$139,153.00
564,559.830 ALGO
0.0003%
90
MEXC Global
JASMY-USDC$1.001
0.0000583 Btc
$121,927.00
29,472,044.430 JASMY
0.0178%
91
BKEX
ATOM-USDC$1.00
0.0000583 Btc
$115,239.00
11,063.369 ATOM
0.0000%
92
Coinsbit
USDC-USDT$1.003
0.0000583 Btc
$115,105.00
114,753.862 USDC
0.0001%
93
MEXC Global
UNI-USDC$1.001
0.0000583 Btc
$109,776.00
18,931.090 UNI
0.0000%
94
Bitget
TRX-USDC$1.001
0.0000583 Btc
$107,657.00
1,984,814.400 TRX
0.0012%
95
CoinJar Exchange
USDC-AUD$1.001
0.0000582 Btc
$106,731.00
106,672.515 USDC
0.0001%
96
Bitget
DOGE-USDC$1.001
0.0000583 Btc
$97,618.00
928,935.896 DOGE
0.0006%
97
BKEX
SOL-USDC$1.00
0.0000583 Btc
$96,737.00
7,069.022 SOL
0.0000%
98
Bittrex
USDC-USD$1.004
0.0000584 Btc
$81,587.00
81,261.849 USDC
0.0000%
99
MEXC Global
STEPN-USDC$1.001
0.0000583 Btc
$59,433.00
151,852.430 STEPN
0.0001%
100
Coinfield
BTC-USDC$1.002
0.0000583 Btc
$38,352.00
2.231 BTC
0.0000%

Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x30D2a9F5FDf90ACe8c17952cbb4eE48a55D916A7

Contract Name:
UpgradeBeaconProxy

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
Yes with 999999 runs

Other Settings:
default evmVersion
File 1 of 2 : UpgradeBeaconProxy.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.11;

// ============ External Imports ============
import {Address} from "@openzeppelin/contracts/utils/Address.sol";

/**
 * @title UpgradeBeaconProxy
 * @notice
 * Proxy contract which delegates all logic, including initialization,
 * to an implementation contract.
 * The implementation contract is stored within an Upgrade Beacon contract;
 * the implementation contract can be changed by performing an upgrade on the Upgrade Beacon contract.
 * The Upgrade Beacon contract for this Proxy is immutably specified at deployment.
 * @dev This implementation combines the gas savings of keeping the UpgradeBeacon address outside of contract storage
 * found in 0age's implementation:
 * https://github.com/dharma-eng/dharma-smart-wallet/blob/master/contracts/proxies/smart-wallet/UpgradeBeaconProxyV1.sol
 * With the added safety checks that the UpgradeBeacon and implementation are contracts at time of deployment
 * found in OpenZeppelin's implementation:
 * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/proxy/beacon/BeaconProxy.sol
 */
contract UpgradeBeaconProxy {
    // ============ Immutables ============

    // Upgrade Beacon address is immutable (therefore not kept in contract storage)
    address private immutable upgradeBeacon;

    // ============ Constructor ============

    /**
     * @notice Validate that the Upgrade Beacon is a contract, then set its
     * address immutably within this contract.
     * Validate that the implementation is also a contract,
     * Then call the initialization function defined at the implementation.
     * The deployment will revert and pass along the
     * revert reason if the initialization function reverts.
     * @param _upgradeBeacon Address of the Upgrade Beacon to be stored immutably in the contract
     * @param _initializationCalldata Calldata supplied when calling the initialization function
     */
    constructor(address _upgradeBeacon, bytes memory _initializationCalldata)
        payable
    {
        // Validate the Upgrade Beacon is a contract
        require(Address.isContract(_upgradeBeacon), "beacon !contract");
        // set the Upgrade Beacon
        upgradeBeacon = _upgradeBeacon;
        // Validate the implementation is a contract
        address _implementation = _getImplementation(_upgradeBeacon);
        require(
            Address.isContract(_implementation),
            "beacon implementation !contract"
        );
        // Call the initialization function on the implementation
        if (_initializationCalldata.length > 0) {
            _initialize(_implementation, _initializationCalldata);
        }
    }

    // ============ External Functions ============

    /**
     * @notice Forwards all calls with data to _fallback()
     * No public functions are declared on the contract, so all calls hit fallback
     */
    fallback() external payable {
        _fallback();
    }

    /**
     * @notice Forwards all calls with no data to _fallback()
     */
    receive() external payable {
        _fallback();
    }

    // ============ Private Functions ============

    /**
     * @notice Call the initialization function on the implementation
     * Used at deployment to initialize the proxy
     * based on the logic for initialization defined at the implementation
     * @param _implementation - Contract to which the initalization is delegated
     * @param _initializationCalldata - Calldata supplied when calling the initialization function
     */
    function _initialize(
        address _implementation,
        bytes memory _initializationCalldata
    ) private {
        // Delegatecall into the implementation, supplying initialization calldata.
        (bool _ok, ) = _implementation.delegatecall(_initializationCalldata);
        // Revert and include revert data if delegatecall to implementation reverts.
        if (!_ok) {
            assembly {
                returndatacopy(0, 0, returndatasize())
                revert(0, returndatasize())
            }
        }
    }

    /**
     * @notice Delegates function calls to the implementation contract returned by the Upgrade Beacon
     */
    function _fallback() private {
        _delegate(_getImplementation());
    }

    /**
     * @notice Delegate function execution to the implementation contract
     * @dev This is a low level function that doesn't return to its internal
     * call site. It will return whatever is returned by the implementation to the
     * external caller, reverting and returning the revert data if implementation
     * reverts.
     * @param _implementation - Address to which the function execution is delegated
     */
    function _delegate(address _implementation) private {
        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())
            // Delegatecall to the implementation, supplying calldata and gas.
            // Out and outsize are set to zero - instead, use the return buffer.
            let result := delegatecall(
                gas(),
                _implementation,
                0,
                calldatasize(),
                0,
                0
            )
            // Copy the returned data from the return buffer.
            returndatacopy(0, 0, returndatasize())
            switch result
            // Delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @notice Call the Upgrade Beacon to get the current implementation contract address
     * @return _implementation Address of the current implementation.
     */
    function _getImplementation()
        private
        view
        returns (address _implementation)
    {
        _implementation = _getImplementation(upgradeBeacon);
    }

    /**
     * @notice Call the Upgrade Beacon to get the current implementation contract address
     * @dev _upgradeBeacon is passed as a parameter so that
     * we can also use this function in the constructor,
     * where we can't access immutable variables.
     * @param _upgradeBeacon Address of the UpgradeBeacon storing the current implementation
     * @return _implementation Address of the current implementation.
     */
    function _getImplementation(address _upgradeBeacon)
        private
        view
        returns (address _implementation)
    {
        // Get the current implementation address from the upgrade beacon.
        (bool _ok, bytes memory _returnData) = _upgradeBeacon.staticcall("");
        // Revert and pass along revert message if call to upgrade beacon reverts.
        require(_ok, string(_returnData));
        // Set the implementation to the address returned from the upgrade beacon.
        _implementation = abi.decode(_returnData, (address));
    }
}

File 2 of 2 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <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);
            }
        }
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_upgradeBeacon","type":"address"},{"internalType":"bytes","name":"_initializationCalldata","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

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