Token USD Coin

Overview ERC20

Price
$1.00 @ 2.829852 GLMR
Fully Diluted Market Cap
Total Supply:
51,319,681.161375 USDC

Holders:
10,167 addresses
Balance
0 USDC

Value
$0.00
0xab9c7a8654b9224e3a741dc3a4991f2d1b82307a
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Market

Volume (24H):$3,286,707,577.12
Market Capitalization:$43,832,808,175.68
Circulating Supply:43,826,882,483.00 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$1.003
0.0000610 Btc
$317,692,529.00
307,219,842.104 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.1634%
2
LBank
BTC-USDC$0.9995
0.0000608 Btc
$254,572,340.00
15,465.182 BTC
0.0000%
3
Kraken
USDC-USDT$0.9994
0.0000608 Btc
$220,650,210.00
220,772,423.483 USDC
0.1174%
4
MEXC Global
BTC-USDC$0.9999
0.0000608 Btc
$199,818,964.00
12,133.981 BTC
0.0000%
5
Kraken
USDC-USD$0.9999
0.0000608 Btc
$180,950,704.00
180,968,800.641 USDC
0.0962%
6
LBank
ETH-USDC$1.001
0.0000608 Btc
$170,973,269.00
141,722.967 ETH
0.0001%
7
MEXC Global
ETH-USDC$0.9999
0.0000608 Btc
$164,451,944.00
135,903.789 ETH
0.0001%
8
Bitforex
USDC-USDT$0.9991
0.0000608 Btc
$123,053,574.00
123,169,279.082 USDC
0.0655%
9
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.002
0.0000609 Btc
$70,019,055.00
69,865,389.462 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0372%
10
Bitforex
BTC-USDC$0.9995
0.0000608 Btc
$57,873,128.00
3,515.867 BTC
0.0000%
11
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.003
0.0000610 Btc
$30,243,844.00
29,453,129.207 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0157%
12
Uniswap (Arbitrum One)
0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8$1.00
0.0000608 Btc
$28,731,906.00
24,416.439 0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1
0.0000%
13
Huobi
USDC-USDT$0.999
0.0000608 Btc
$27,971,633.00
27,999,568.945 USDC
0.0149%
14
BitMart
BTC-USDC$0.9999
0.0000608 Btc
$20,805,569.00
1,263.421 BTC
0.0000%
15
Bybit
BTC-USDC$1.001
0.0000608 Btc
$18,638,287.00
1,131.752 BTC
0.0000%
16
XT.COM
USDC-USDT$0.9995
0.0000608 Btc
$18,165,343.00
18,174,405.300 USDC
0.0097%
17
P2B
USDC-USDT$0.9992
0.0000608 Btc
$17,159,335.00
17,173,753.000 USDC
0.0091%
18
P2B
USDC-BUSD$0.9993
0.0000608 Btc
$17,134,108.00
17,145,328.000 USDC
0.0091%
19
DigiFinex
USDC-USDT$0.9992
0.0000608 Btc
$16,772,746.00
16,786,839.575 USDC
0.0089%
20
Kraken
USDC-EUR$0.9984
0.0000607 Btc
$16,553,518.00
16,580,277.415 USDC
0.0088%
21
WhiteBIT
USDC-USDT$0.9991
0.0000607 Btc
$16,527,914.00
16,543,530.923 USDC
0.0088%
22
BingX
BTC-USDC$0.9995
0.0000608 Btc
$15,396,281.00
947.185 BTC
0.0000%
23
BKEX
BTC-USDC$0.9995
0.0000608 Btc
$13,933,418.00
856.621 BTC
0.0000%
24
MEXC Global
AVAX-USDC$0.9999
0.0000608 Btc
$13,304,267.00
1,060,204.750 AVAX
0.0006%
25
BKEX
ETH-USDC$0.9995
0.0000608 Btc
$12,336,372.00
10,454.777 ETH
0.0000%
26
Bybit
USDC-USDT$1.001
0.0000608 Btc
$10,231,287.00
10,222,230.210 USDC
0.0054%
27
Bybit
ETH-USDC$1.001
0.0000608 Btc
$10,230,442.00
8,477.519 ETH
0.0000%
28
WhiteBIT
BTC-USDC$0.9999
0.0000608 Btc
$10,126,005.00
614.907 BTC
0.0000%
29
KuCoin
USDC-USDT$0.9991
0.0000608 Btc
$9,979,899.00
9,988,559.902 USDC
0.0053%
30
Hotbit
USDC-USDT$0.9984
0.0000607 Btc
$9,791,242.00
9,807,261.660 USDC
0.0052%
31
OKX
USDC-USDT$0.9992
0.0000608 Btc
$9,778,994.00
9,786,900.719 USDC
0.0052%
32
DigiFinex
ETH-USDC$1.001
0.0000609 Btc
$9,586,103.00
7,928.990 ETH
0.0000%
33
OKX
ETH-USDC$1.002
0.0000609 Btc
$8,430,187.00
7,125.500 ETH
0.0000%
34
BKEX
USDC-USDT$0.9995
0.0000608 Btc
$7,508,393.00
7,511,327.837 USDC
0.0040%
35
KuCoin
BTC-USDC$0.9998
0.0000608 Btc
$7,388,158.00
449.109 BTC
0.0000%
36
OKX
BTC-USDC$0.9998
0.0000608 Btc
$7,219,640.00
443.776 BTC
0.0000%
37
Uniswap (v3)
0X6B175474E89094C44DA98B954EEDEAC495271D0F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.002
0.0000609 Btc
$6,730,184.00
6,715,533.718 0X6B175474E89094C44DA98B954EEDEAC495271D0F
0.0036%
38
MEXC Global
DOGE-USDC$1.001
0.0000608 Btc
$6,669,828.00
64,854,831.160 DOGE
0.0345%
39
Bitrue
USDC-USDT$0.9991
0.0000608 Btc
$6,238,726.00
6,244,592.320 USDC
0.0033%
40
DigiFinex
BTC-USDC$0.9995
0.0000608 Btc
$6,201,523.00
376.904 BTC
0.0000%
41
BingX
ETH-USDC$0.9995
0.0000608 Btc
$5,510,162.00
4,678.505 ETH
0.0000%
42
KuCoin
USDT-USDC$0.9998
0.0000608 Btc
$5,092,325.00
5,095,065.452 USDT
0.0027%
43
Uniswap (v2)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.00
0.0000608 Btc
$4,425,512.00
4,304,436.836 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0023%
44
BitMart
ETH-USDC$0.9999
0.0000608 Btc
$3,947,876.00
3,263.270 ETH
0.0000%
45
Kraken
USDC-GBP$0.9992
0.0000608 Btc
$3,768,013.00
3,771,157.407 USDC
0.0020%
46
BingX
USDC-USDT$0.9994
0.0000608 Btc
$3,680,544.00
3,682,764.459 USDC
0.0020%
47
KuCoin
ETH-USDC$0.9998
0.0000608 Btc
$3,323,348.00
2,749.372 ETH
0.0000%
48
WhiteBIT
ETH-USDC$0.9999
0.0000608 Btc
$3,292,512.00
2,720.766 ETH
0.0000%
49
Bitget
BTC-USDC$0.9999
0.0000608 Btc
$2,887,759.00
177.831 BTC
0.0000%
50
Sushiswap
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.004
0.0000610 Btc
$2,809,002.00
2,737,485.767 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0015%
51
Gemini
USDC-USD$0.9999
0.0000608 Btc
$2,779,179.00
2,779,373.787 USDC
0.0015%
52
Binance US
USDC-USD$0.9999
0.0000608 Btc
$2,679,165.00
2,679,433.134 USDC
0.0014%
53
MEXC Global
XRP-USDC$0.9999
0.0000608 Btc
$2,537,957.00
6,476,996.020 XRP
0.0034%
54
MEXC Global
LTC-USDC$0.9999
0.0000608 Btc
$2,476,677.00
32,378.450 LTC
0.0000%
55
MEXC Global
EOS-USDC$0.9999
0.0000608 Btc
$2,355,174.00
2,566,639.540 EOS
0.0014%
56
Kraken
BTC-USDC$0.9995
0.0000608 Btc
$2,176,970.00
132.414 BTC
0.0000%
57
Uniswap (v3)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.002
0.0000609 Btc
$2,152,152.00
132.509 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
58
MEXC Global
SOL-USDC$0.9999
0.0000608 Btc
$1,978,914.00
144,142.690 SOL
0.0001%
59
Kraken
ETH-USDC$0.9995
0.0000608 Btc
$1,800,260.00
1,494.708 ETH
0.0000%
60
MEXC Global
SHIB-USDC$0.9999
0.0000608 Btc
$1,729,219.00
186,795,309,907.000 SHIB
99.3309%
61
ZigZag (Arbitrum)
WETH-USDC$0.9998
0.0000608 Btc
$1,647,411.00
1,408.230 WETH
0.0000%
62
Bitfinex
UDC-USD$1.001
0.0000609 Btc
$1,168,754.00
1,168,170.137 UDC
0.0006%
63
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-BUSD$1.002
0.0000609 Btc
$1,144,677.00
1,145,899.266 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0006%
64
MEXC Global
TRX-USDC$0.9999
0.0000608 Btc
$993,052.00
18,422,009.410 TRX
0.0098%
65
MEXC Global
ADA-USDC$1.002
0.0000609 Btc
$894,144.00
2,873,521.400 ADA
0.0015%
66
Bitget
USDC-USDT$0.9984
0.0000607 Btc
$886,075.00
887,321.480 USDC
0.0005%
67
Maiar
WEGLD-BD4D79-USDC-C76F1F$1.00
0.0000608 Btc
$832,684.00
19,719.851 WEGLD-BD4D79
0.0000%
68
PancakeSwap (v2)
0X2170ED0880AC9A755FD29B2688956BD959F933F8-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D$1.004
0.0000610 Btc
$798,322.00
675.664 0X2170ED0880AC9A755FD29B2688956BD959F933F8
0.0000%
69
Tidex
BTC-USDC$1.002
0.0000609 Btc
$740,309.00
44.976 BTC
0.0000%
70
MEXC Global
FTM-USDC$0.9999
0.0000608 Btc
$720,459.00
3,376,811.190 FTM
0.0018%
71
Bibox
ETH-USDC$0.9999
0.0000608 Btc
$717,215.00
592.000 ETH
0.0000%
72
Bitget
ETH-USDC$0.9999
0.0000608 Btc
$681,435.00
578.654 ETH
0.0000%
73
Coinbase Exchange
USDT-USDC$0.9999
0.0000608 Btc
$605,700.00
606,001.790 USDT
0.0003%
74
MEXC Global
AAVE-USDC$0.9999
0.0000608 Btc
$523,739.00
8,474.107 AAVE
0.0000%
75
Bitstamp
USDC-USD$1.00
0.0000608 Btc
$514,900.00
514,900.048 USDC
0.0003%
76
Bitfinex
UDC-USDT$0.999
0.0000608 Btc
$491,318.00
491,828.686 UDC
0.0003%
77
Coinbase Exchange
USDC-EUR$0.9999
0.0000608 Btc
$399,775.00
399,819.700 USDC
0.0002%
78
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-USDT$1.003
0.0000610 Btc
$378,032.00
377,906.014 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0002%
79
Bitstamp
USDC-EUR$0.9989
0.0000607 Btc
$369,601.00
369,999.630 USDC
0.0002%
80
Coinfield
BTC-USDC$1.001
0.0000609 Btc
$356,458.00
21.670 BTC
0.0000%
81
BKEX
APE-USDC$1.002
0.0000609 Btc
$338,446.00
84,117.534 APE
0.0000%
82
BitMart
DAI-USDC$1.001
0.0000609 Btc
$323,478.00
323,220.200 DAI
0.0002%
83
Bitget
BCH-USDC$0.9999
0.0000608 Btc
$282,534.00
2,573.038 BCH
0.0000%
84
Phemex
USDC-USDT$0.9991
0.0000608 Btc
$265,376.00
265,625.080 USDC
0.0001%
85
MEXC Global
APE-USDC$0.9999
0.0000608 Btc
$255,811.00
62,141.330 APE
0.0000%
86
MEXC Global
ENS-USDC$0.9999
0.0000608 Btc
$246,626.00
18,212.350 ENS
0.0000%
87
Bitget
BNB-USDC$0.9999
0.0000608 Btc
$176,442.00
597.996 BNB
0.0000%
88
MEXC Global
MATIC-USDC$0.9999
0.0000608 Btc
$174,314.00
207,344.660 MATIC
0.0001%
89
Bitget
ADA-USDC$0.9999
0.0000608 Btc
$138,581.00
451,674.000 ADA
0.0002%
90
Binance US
USDC-BUSD$0.9993
0.0000608 Btc
$130,931.00
131,028.926 USDC
0.0001%
91
CoinEx
USDC-USDT$0.9991
0.0000608 Btc
$121,470.00
121,576.909 USDC
0.0001%
92
Bitstamp
BTC-USDC$0.9999
0.0000608 Btc
$121,336.00
7.376 BTC
0.0000%
93
CoinJar Exchange
USDC-AUD$1.002
0.0000610 Btc
$108,341.00
108,123.225 USDC
0.0001%
94
Bitget
TRX-USDC$0.9999
0.0000608 Btc
$105,363.00
1,980,568.200 TRX
0.0011%
95
BKEX
ATOM-USDC$1.002
0.0000609 Btc
$100,225.00
10,152.263 ATOM
0.0000%
96
BKEX
SOL-USDC$0.9995
0.0000608 Btc
$89,570.00
6,673.707 SOL
0.0000%
97
Bitget
DOGE-USDC$1.001
0.0000609 Btc
$73,916.00
760,062.770 DOGE
0.0004%
98
BKEX
XRP-USDC$0.9995
0.0000608 Btc
$68,286.00
178,032.410 XRP
0.0001%
99
Coinbase Exchange
USDC-GBP$0.9995
0.0000608 Btc
$61,709.00
61,740.850 USDC
0.0000%
100
BKEX
NEAR-USDC$0.9995
0.0000608 Btc
$52,486.00
33,500.423 NEAR
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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